#app{font-family:Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;min-height:100vh;display:flex;flex-direction:column}body{margin:0}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 0;box-shadow:0 2px 10px rgba(0,0,0,.1)}.header-content{max-width:1200px;margin:0 auto;padding:0 2rem}.app-title{font-size:2rem;font-weight:600;margin:0 0 .5rem 0}.env-info{font-size:.9rem;opacity:.9;margin:0}.app-main{flex:1;display:flex;flex-direction:column}@media (max-width:768px){.header-content{padding:0 1rem}.app-title{font-size:1.5rem}.env-info{font-size:.8rem}}@media (max-width:480px){.app-header{padding:.8rem 0}.app-title{font-size:1.3rem}}.login-container[data-v-0345cb4e]{display:flex;justify-content:center;align-items:center;height:100vh;background:linear-gradient(135deg,rgba(255,154,86,.6),#fff5eb);background-size:cover;font-family:Arial,sans-serif}.warpper-header[data-v-0345cb4e]{padding:2.5rem 0 .5rem;color:#fff;border-top-left-radius:12px;border-top-right-radius:12px;background:linear-gradient(135deg,#ffefe2,#c45e20)}.warpper-body[data-v-0345cb4e]{padding:2.5rem}.login-form[data-v-0345cb4e]{background:hsla(0,0%,100%,.95);border-radius:12px;box-shadow:0 15px 35px rgba(0,0,0,.2);width:100%;max-width:420px;backdrop-filter:blur(10px);border:1px solid hsla(0,0%,100%,.2)}.login-header[data-v-0345cb4e]{text-align:center;margin-bottom:2rem;color:#fff;width:100%}.login-header h2[data-v-0345cb4e]{color:#fff;margin-bottom:.5rem;font-size:1.8rem}.login-header p[data-v-0345cb4e]{color:#fff;font-size:.9rem}.form-group[data-v-0345cb4e]{margin-bottom:1.5rem}.input[data-v-0345cb4e]{width:100%;padding:.8rem .8rem .8rem 2.5rem;border:2px solid #e1e5e9;border-radius:8px;box-sizing:border-box;font-size:1rem;transition:all .3s ease;background-color:#f8f9fa}.input-icon[data-v-0345cb4e]{position:absolute;left:.8rem;font-size:1rem;z-index:1;pointer-events:none}.input[data-v-0345cb4e]:focus{outline:none;border-color:#409eff;background-color:#fff;box-shadow:0 0 0 3px rgba(64,158,255,.2)}.login-button[data-v-0345cb4e]{width:100%;padding:.9rem;background:linear-gradient(135deg,#fefaf5,#f28f8f);color:#5a4a3a;border:none;border-radius:8px;cursor:pointer;font-size:1.1rem;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px hsla(0,79%,75%,.4)}.login-button[data-v-0345cb4e]:hover{background:linear-gradient(135deg,#fff5eb,#ffd166);transform:translateY(-2px);box-shadow:0 6px 20px hsla(0,79%,75%,.4)}.login-button[data-v-0345cb4e]:active{transform:translateY(0)}.login-button[data-v-0345cb4e]:disabled{background:#a0cfff;cursor:not-allowed;transform:none;box-shadow:none}.error-message[data-v-0345cb4e]{color:#f56c6c;margin-top:1rem;text-align:center;padding:.75rem;background-color:#fef0f0;border-radius:4px;border:1px solid #fde2e2;font-size:.9rem}.input-wrapper[data-v-0345cb4e]{position:relative;display:flex;align-items:center}.captcha-image[data-v-0345cb4e]{margin-left:10px;height:40px;cursor:pointer;border:1px solid #e1e5e9;border-radius:4px}.header[data-v-995e4e44]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;padding:20px;display:flex;justify-content:space-between;align-items:center}.header-left[data-v-995e4e44]{display:flex;align-items:center;gap:15px}.logo[data-v-995e4e44]{font-size:1.5rem;font-weight:700}.back-btn[data-v-995e4e44]{background:hsla(0,0%,100%,.2);border:none;color:#fff;padding:8px 15px;border-radius:20px;cursor:pointer;text-decoration:none;transition:background .3s}.back-btn[data-v-995e4e44]:hover{background:hsla(0,0%,100%,.3)}.user-info[data-v-995e4e44]{display:flex;align-items:center;gap:10px}.avatar[data-v-995e4e44]{width:40px;height:40px;border-radius:50%;background:hsla(0,0%,100%,.3);display:flex;align-items:center;justify-content:center;font-size:1.2rem}.mobile-menu-btn[data-v-995e4e44]{display:none;background:hsla(0,0%,100%,.2);border:none;color:#fff;font-size:1.5rem;padding:8px;border-radius:8px;cursor:pointer}@media (max-width:768px){.mobile-menu-btn[data-v-995e4e44]{display:block}.header[data-v-995e4e44]{padding:15px;flex-wrap:wrap}}.sidebar[data-v-8e135776]{width:280px;background:#fff;border-right:1px solid #e1e8ed;padding:20px;overflow-y:auto;height:100vh}.nav-item[data-v-8e135776]{display:flex;align-items:center;gap:12px;padding:12px 15px;margin-bottom:5px;border-radius:10px;cursor:pointer;transition:all .3s;color:#333}.nav-item.active[data-v-8e135776],.nav-item[data-v-8e135776]:hover{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff}.nav-icon[data-v-8e135776]{font-size:1.2rem}.sidebar-overlay[data-v-8e135776]{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:999}@media (max-width:768px){.sidebar[data-v-8e135776]{position:fixed;top:0;left:-100%;width:280px;height:100vh;z-index:1000;transition:left .3s ease;background:#fff;box-shadow:2px 0 10px rgba(0,0,0,.1)}.sidebar.active[data-v-8e135776]{left:0}.sidebar-overlay.active[data-v-8e135776]{display:block}}.stat-card[data-v-0e6268a9]{background:#fff;border-radius:15px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.1);text-align:center;transition:transform .3s ease;cursor:pointer}.stat-card[data-v-0e6268a9]:hover{transform:translateY(-5px)}.stat-icon[data-v-0e6268a9]{font-size:2.5rem;margin-bottom:15px;display:block}.stat-number[data-v-0e6268a9]{font-size:2rem;font-weight:700;color:#fa709a;margin-bottom:8px;transition:transform .3s ease}.stat-label[data-v-0e6268a9]{color:#666;font-size:.9rem}.activity-timeline[data-v-8f63aa34]{position:relative}.activity-item[data-v-8f63aa34]{display:flex;align-items:flex-start;margin-bottom:15px}.activity-line[data-v-8f63aa34]{width:3px;min-height:40px;border-left:3px solid #fa709a;margin-right:12px;margin-left:6px}.activity-content[data-v-8f63aa34]{flex:1}.activity-text[data-v-8f63aa34]{font-weight:600;margin-bottom:5px;color:#333}.activity-time[data-v-8f63aa34]{color:#666;font-size:.9rem}.todo-item[data-v-4a643829]{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #f0f0f0}.todo-item[data-v-4a643829]:last-child{border-bottom:none}.todo-task[data-v-4a643829]{color:#333;font-weight:500}.btn[data-v-4a643829]{padding:4px 12px;font-size:.8rem}.dashboard-grid[data-v-133fb222]{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width:768px){.dashboard-grid[data-v-133fb222]{grid-template-columns:1fr}}.course-item[data-v-3e4f235d]{display:flex;align-items:center;gap:15px;padding:15px;border:1px solid #e1e8ed;border-radius:10px;margin-bottom:10px;transition:all .3s;background:#fff}.course-item[data-v-3e4f235d]:hover{box-shadow:0 4px 15px rgba(0,0,0,.1);transform:translateY(-2px)}.course-thumbnail[data-v-3e4f235d]{width:80px;height:60px;background:linear-gradient(135deg,#fa709a,#fee140);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem}.icon[data-v-3e4f235d]{width:30px}.course-info[data-v-3e4f235d]{flex:1}.course-title[data-v-3e4f235d]{font-weight:600;margin-bottom:5px;font-size:1.1rem;color:#333}.course-meta[data-v-3e4f235d]{color:#666;font-size:.9rem;margin-bottom:8px}.course-tags[data-v-3e4f235d]{display:flex;gap:8px}.subject-tag[data-v-3e4f235d]{background:#e3f2fd;color:#1976d2;padding:2px 8px;border-radius:10px;font-size:.8rem}.course-actions[data-v-3e4f235d]{display:flex;gap:10px;flex-wrap:wrap}@media (max-width:768px){.course-item[data-v-3e4f235d]{flex-direction:column;align-items:flex-start;gap:10px;padding:12px}.course-actions[data-v-3e4f235d]{width:100%;justify-content:flex-end;gap:8px}.btn[data-v-3e4f235d]{padding:8px 12px;font-size:.9rem}}.modal[data-v-a9ec16dc]{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;justify-content:center;align-items:center}.modal.active[data-v-a9ec16dc]{display:flex}.modal-content[data-v-a9ec16dc]{background:#fff;border-radius:20px;padding:30px;max-width:600px;width:90%;max-height:80%;overflow-y:auto}.close-btn[data-v-a9ec16dc]{float:right;font-size:1.5rem;cursor:pointer;color:#999;background:none;border:none}.tabs[data-v-a9ec16dc]{display:flex;margin-bottom:20px;border-bottom:1px solid #e1e8ed}.tab[data-v-a9ec16dc]{padding:12px 20px;cursor:pointer;border-bottom:2px solid transparent;transition:all .3s}.tab.active[data-v-a9ec16dc]{border-bottom-color:#fa709a;color:#fa709a;font-weight:600}.tab-content[data-v-a9ec16dc]{display:none}.tab-content.active[data-v-a9ec16dc]{display:block}.form-group[data-v-a9ec16dc]{margin-bottom:15px}.form-label[data-v-a9ec16dc]{display:block;margin-bottom:5px;font-weight:600}.form-input[data-v-a9ec16dc]{width:100%;padding:10px;border:1px solid #ddd;border-radius:5px;font-size:1rem}.form-textarea[data-v-a9ec16dc]{min-height:100px;resize:vertical}.btn[data-v-a9ec16dc]{padding:10px 20px;background:#fa709a;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:1rem}.btn-secondary[data-v-a9ec16dc]{background:#666}.modal[data-v-ca43938a]{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;justify-content:center;align-items:center}.modal.active[data-v-ca43938a]{display:flex}.modal-content[data-v-ca43938a]{background:#fff;border-radius:20px;padding:30px;max-width:800px;width:90%;max-height:80%;overflow-y:auto}.close-btn[data-v-ca43938a]{float:right;font-size:1.5rem;cursor:pointer;color:#999;background:none;border:none}.tabs[data-v-ca43938a]{display:flex;margin-bottom:20px;border-bottom:1px solid #e1e8ed}.tab[data-v-ca43938a]{padding:12px 20px;cursor:pointer;border-bottom:2px solid transparent;transition:all .3s}.tab.active[data-v-ca43938a]{border-bottom-color:#fa709a;color:#fa709a;font-weight:600}.tab-content[data-v-ca43938a]{display:none}.tab-content.active[data-v-ca43938a]{display:block}.form-group[data-v-ca43938a]{margin-bottom:15px}.form-label[data-v-ca43938a]{display:block;margin-bottom:5px;font-weight:600}.form-input[data-v-ca43938a]{width:100%;padding:10px;border:1px solid #ddd;border-radius:5px;font-size:1rem}.form-textarea[data-v-ca43938a]{min-height:100px;resize:vertical}.btn[data-v-ca43938a]{padding:10px 20px;background:#4facfe;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:1rem}.btn-secondary[data-v-ca43938a]{background:#666}.btn-danger[data-v-ca43938a]{background:#ff4757}.btn-search[data-v-ca43938a]{background-image:linear-gradient(135deg,#4096ff,#1890ff);color:#fff;border-radius:8px;padding:8px 16px;transition:all .2s;box-shadow:0 2px 5px rgba(0,0,0,.1)}.btn-search[data-v-ca43938a]:hover{box-shadow:0 4px 8px rgba(0,0,0,.15);transform:translateY(-1px)}.btn-add[data-v-ca43938a]{background-image:linear-gradient(135deg,#ff7d00,#fa8c16);color:#fff;border-radius:8px;padding:8px 16px;transition:all .2s;box-shadow:0 2px 5px rgba(0,0,0,.1)}.btn-add[data-v-ca43938a]:hover{box-shadow:0 4px 8px rgba(0,0,0,.15);transform:translateY(-1px)}.students-list[data-v-ca43938a]{display:flex;flex-direction:column;gap:10px}.student-card[data-v-ca43938a]{display:flex;align-items:center;padding:15px;border:1px solid #eee;border-radius:12px;gap:15px;transition:box-shadow .3s}.student-card[data-v-ca43938a]:hover{box-shadow:0 4px 12px rgba(0,0,0,.08)}.student-avatar[data-v-ca43938a]{width:40px;height:40px;border-radius:50%;background-color:#ff7979;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.student-info[data-v-ca43938a]{flex:1;display:flex;flex-direction:column;gap:5px}.student-name-status[data-v-ca43938a]{display:flex;align-items:center;gap:10px}.student-name[data-v-ca43938a]{font-weight:600;font-size:1.1rem}.student-status[data-v-ca43938a]{font-size:.8rem;padding:2px 8px;border-radius:12px;background-color:#4cd137;color:#fff}.progress-info[data-v-ca43938a]{display:flex;flex-direction:column;gap:5px}.progress-bar[data-v-ca43938a]{height:8px;width:100%;background-color:#f1f2f6;border-radius:4px;overflow:hidden}.progress-fill[data-v-ca43938a]{height:100%;border-radius:4px;transition:width .5s ease}.student-stats[data-v-ca43938a]{display:flex;gap:20px;font-size:.9rem;color:#666}.student-actions[data-v-ca43938a]{display:flex;gap:10px}.btn-view-details[data-v-ca43938a]{padding:6px 14px;background-image:linear-gradient(135deg,#4096ff,#1890ff);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .2s;box-shadow:0 2px 5px rgba(0,0,0,.1)}.btn-view-details[data-v-ca43938a]:hover{box-shadow:0 4px 8px rgba(0,0,0,.15);transform:translateY(-1px)}.btn-remove[data-v-ca43938a]{padding:6px 14px;background-image:linear-gradient(135deg,#ff4d4f,#f5222d);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .2s;box-shadow:0 2px 5px rgba(0,0,0,.1)}.btn-remove[data-v-ca43938a]:hover{box-shadow:0 4px 8px rgba(0,0,0,.15);transform:translateY(-1px)}.action-bar[data-v-632809fb]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:15px;background:#fff;border-radius:15px;box-shadow:0 2px 10px rgba(0,0,0,.1)}.action-group[data-v-632809fb]{display:flex;gap:10px;align-items:center}.divider[data-v-632809fb],.filter-label[data-v-632809fb]{color:#666;font-size:.9rem}.filter-select[data-v-632809fb]{padding:8px 12px;border:1px solid #ddd;border-radius:8px;background:#fff;font-size:.9rem}.subject-groups[data-v-632809fb]{display:flex;flex-direction:column;gap:20px}.subject-header[data-v-632809fb]{background:#f8f9fa;padding:15px;border-radius:10px;margin-bottom:15px;border-left:4px solid #4facfe}.subject-title[data-v-632809fb]{margin:0;color:#333;display:flex;align-items:center;gap:10px}.subject-icon[data-v-632809fb]{font-size:1.2rem}.subject-name[data-v-632809fb]{font-weight:600}.course-count[data-v-632809fb]{background:#e3f2fd;color:#1976d2;padding:4px 12px;border-radius:15px;font-size:.8rem}.courses-list[data-v-632809fb]{display:flex;flex-direction:column;gap:10px}.empty-state[data-v-632809fb]{text-align:center;padding:60px 20px;color:#666}.empty-icon[data-v-632809fb]{font-size:4rem;margin-bottom:20px}.empty-state h3[data-v-632809fb]{margin-bottom:10px;color:#333}.empty-state p[data-v-632809fb]{margin-bottom:20px;font-size:.9rem}@media (max-width:768px){.action-bar[data-v-632809fb]{flex-direction:column;gap:15px;align-items:stretch}.action-group[data-v-632809fb]{flex-wrap:wrap;justify-content:center}.filter-select[data-v-632809fb]{flex:1;min-width:150px}}.status-toggle[data-v-ab6033a6]{margin-right:8px}.toggle-label[data-v-ab6033a6]{display:flex;align-items:center;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;gap:8px}.toggle-input[data-v-ab6033a6]{display:none}.toggle-slider[data-v-ab6033a6]{position:relative;width:44px;height:22px;background-color:#ccc;border-radius:22px;transition:all .3s ease;flex-shrink:0}.toggle-slider[data-v-ab6033a6]:before{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background-color:#fff;top:2px;left:2px;transition:all .3s ease;box-shadow:0 1px 3px rgba(0,0,0,.3)}.toggle-input:checked+.toggle-slider[data-v-ab6033a6]{background-color:#28a745}.toggle-input:checked+.toggle-slider[data-v-ab6033a6]:before{transform:translateX(22px)}.toggle-text[data-v-ab6033a6]{font-size:.8rem;font-weight:500;color:#666;min-width:36px;text-align:center}.toggle-input:checked~.toggle-text[data-v-ab6033a6]{color:#28a745;font-weight:600}.chapter-actions[data-v-ab6033a6]{display:flex;gap:8px;align-items:center;flex-shrink:0;width:380px;justify-content:flex-end}.chapter-actions .btn[data-v-ab6033a6]{padding:6px 10px;font-size:.8rem}.chapter-actions-header[data-v-ab6033a6]{width:380px;text-align:center;font-weight:600}.content-section[data-v-ab6033a6]{padding:20px;background:#f8f9fa;min-height:100vh}.header-nav[data-v-ab6033a6]{display:flex;align-items:center;gap:15px;margin-bottom:20px}.section-title[data-v-ab6033a6]{margin:0;font-size:1.5rem;font-weight:600;color:#333}.course-info-section[data-v-ab6033a6]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:20px;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.1)}.course-info[data-v-ab6033a6]{display:flex;align-items:center;gap:15px}.course-icon[data-v-ab6033a6]{font-size:2rem}.course-details[data-v-ab6033a6]{display:flex;flex-direction:column;gap:4px}.course-name[data-v-ab6033a6]{font-weight:600;font-size:1.2rem;color:#333}.course-meta[data-v-ab6033a6]{color:#666;font-size:.9rem}.btn[data-v-ab6033a6]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary[data-v-ab6033a6]{background:#007bff;color:#fff}.btn-primary[data-v-ab6033a6]:hover{background:#0056b3}.btn-secondary[data-v-ab6033a6]{background:#6c757d;color:#fff}.btn-secondary[data-v-ab6033a6]:hover{background:#545b62}.btn-danger[data-v-ab6033a6]{background:#dc3545;color:#fff}.btn-danger[data-v-ab6033a6]:hover{background:#c82333}.chapters-list[data-v-ab6033a6]{display:flex;flex-direction:column;gap:12px}.modal-overlay[data-v-ab6033a6]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content[data-v-ab6033a6]{background:#fff;border-radius:12px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 30px rgba(0,0,0,.3)}.modal-header[data-v-ab6033a6]{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #e9ecef}.modal-header h3[data-v-ab6033a6]{margin:0;font-size:1.25rem;font-weight:600;color:#333}.btn-close[data-v-ab6033a6]{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.btn-close[data-v-ab6033a6]:hover{background:#f8f9fa;border-radius:50%}.chapter-form[data-v-ab6033a6]{padding:24px}.form-group[data-v-ab6033a6]{margin-bottom:20px}.form-row[data-v-ab6033a6]{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-label[data-v-ab6033a6]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-ab6033a6],.form-select[data-v-ab6033a6]{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s;box-sizing:border-box}.form-input[data-v-ab6033a6]:focus,.form-select[data-v-ab6033a6]:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 2px rgba(0,123,255,.25)}.form-actions[data-v-ab6033a6]{display:flex;gap:12px;justify-content:flex-end;margin-top:24px;padding-top:16px;border-top:1px solid #e9ecef}.form-actions .btn[data-v-ab6033a6]{min-width:80px}.batch-actions[data-v-ab6033a6]{display:flex;gap:12px;align-items:center}.chapter-header[data-v-ab6033a6]{display:flex;align-items:center;padding:16px 20px;background:#fff8e6;border-radius:12px;margin-bottom:8px;font-weight:600;color:#333;border:1px solid #ffe8a1;box-shadow:0 2px 4px rgba(255,167,38,.1)}.chapter-checkbox[data-v-ab6033a6]{width:60px;display:flex;align-items:center;gap:8px;flex-shrink:0}.chapter-checkbox input[type=checkbox][data-v-ab6033a6]{width:18px;height:18px;cursor:pointer;border-radius:4px;border:2px solid #ddd;transition:all .2s ease;position:relative;-moz-appearance:none;appearance:none;-webkit-appearance:none;background:#fff}.chapter-checkbox input[type=checkbox][data-v-ab6033a6]:checked{background-color:#ff9800;border-color:#ff9800}.chapter-checkbox input[type=checkbox][data-v-ab6033a6]:checked:after{content:"✓";position:absolute;color:#fff;font-size:14px;font-weight:700;top:50%;left:50%;transform:translate(-50%,-50%)}.chapter-checkbox input[type=checkbox][data-v-ab6033a6]:hover{border-color:#ff9800}.chapter-checkbox label[data-v-ab6033a6]{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;font-size:.9rem;color:#333}.chapter-checkbox input[type=checkbox][data-v-ab6033a6]:indeterminate{background-color:#ff9800;border-color:#ff9800}.chapter-checkbox input[type=checkbox][data-v-ab6033a6]:indeterminate:after{content:"–";position:absolute;color:#fff;font-size:14px;font-weight:700;top:50%;left:50%;transform:translate(-50%,-50%)}.chapter-info[data-v-ab6033a6]{flex:1;text-align:left;padding-left:20px}.chapter-item[data-v-ab6033a6]{display:flex;align-items:center;padding:16px 20px;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.1);cursor:pointer;transition:all .2s ease;gap:16px}.chapter-item[data-v-ab6033a6]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.chapter-item.selected[data-v-ab6033a6]{background:#fff8e6;border:1px solid #ff9800;box-shadow:0 2px 8px rgba(255,152,0,.2)}.chapter-main[data-v-ab6033a6]{display:flex;align-items:center;flex:1;gap:16px;min-width:0}.chapter-thumbnail[data-v-ab6033a6]{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;font-weight:600;flex-shrink:0}.chapter-content[data-v-ab6033a6]{flex:1;min-width:0}.chapter-title[data-v-ab6033a6]{font-size:1.1rem;font-weight:600;color:#333;margin-bottom:4px}.chapter-meta[data-v-ab6033a6]{color:#666;font-size:.9rem}.batch-modal-content[data-v-ab6033a6]{padding:24px}.batch-info[data-v-ab6033a6]{background:#f8f9fa;padding:12px 16px;border-radius:6px;margin-bottom:20px}.batch-info p[data-v-ab6033a6]{margin:0;color:#333}.batch-chapters-list[data-v-ab6033a6]{margin:20px 0}.batch-chapters-list h4[data-v-ab6033a6]{margin:0 0 12px 0;color:#333;font-size:1rem}.selected-chapters[data-v-ab6033a6]{max-height:200px;overflow-y:auto;border:1px solid #e9ecef;border-radius:6px;padding:12px}.selected-chapter-item[data-v-ab6033a6]{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #f1f3f4}.selected-chapter-item[data-v-ab6033a6]:last-child{border-bottom:none}.chapter-name[data-v-ab6033a6]{color:#333;font-size:.9rem}.current-status[data-v-ab6033a6]{font-size:.8rem;padding:2px 8px;border-radius:12px;background:#f8f9fa}.custom-cancel-button{background-color:#6c757d!important;color:#fff!important;border:none;padding:8px 16px;border-radius:4px}.custom-cancel-button:hover{background-color:#545b62!important;color:#fff}.el-overlay .el-message-box .el-button--primary{background-color:#e6a23c!important;border-color:#e6a23c!important;color:#fff!important}.el-overlay .el-message-box .el-button--primary:hover{background-color:#cf9236!important;border-color:#cf9236!important}.modal[data-v-2d462f86]{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}.modal.active[data-v-2d462f86]{display:flex}.modal-content[data-v-2d462f86]{background:#fff;border-radius:10px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.3);animation:modalSlideIn-2d462f86 .3s ease}@keyframes modalSlideIn-2d462f86{0%{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}.close-btn[data-v-2d462f86]{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}.close-btn[data-v-2d462f86]:hover{background:#f0f0f0}.filter-section[data-v-2d462f86]{margin-bottom:20px;padding:15px;background:#f8f9fa;border-radius:8px;border:1px solid #e1e8ed}.filter-row[data-v-2d462f86]{display:flex;align-items:flex-end;gap:15px;flex-wrap:wrap}.filter-group[data-v-2d462f86]{display:flex;flex-direction:column;gap:5px}.filter-actions[data-v-2d462f86]{display:flex;gap:10px;margin-left:auto}.exercise-list-container[data-v-2d462f86]{max-height:400px;overflow-y:auto;margin-bottom:20px;border:1px solid #e1e8ed;border-radius:8px}.loading-state[data-v-2d462f86]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;color:#666}.loading-spinner[data-v-2d462f86]{width:30px;height:30px;border:3px solid #f3f3f3;border-top:3px solid #007bff;border-radius:50%;animation:spin-2d462f86 1s linear infinite;margin-bottom:10px}@keyframes spin-2d462f86{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.empty-state[data-v-2d462f86]{text-align:center;padding:40px;color:#666}.empty-icon[data-v-2d462f86]{font-size:2rem;margin-bottom:10px}.exercise-item.selectable[data-v-2d462f86]{display:flex;align-items:flex-start;padding:15px;border-bottom:1px solid #e1e8ed;cursor:pointer;transition:all .2s ease;background:#fff}.exercise-item.selectable[data-v-2d462f86]:hover{background:#f8f9fa}.exercise-item.selectable.selected[data-v-2d462f86]{background:rgba(0,123,255,.1);border-left:3px solid #007bff}.exercise-checkbox[data-v-2d462f86]{margin-right:15px;margin-top:3px;position:relative}.checkbox-input[data-v-2d462f86]{display:none}.checkbox-custom[data-v-2d462f86]{width:18px;height:18px;border:2px solid #ddd;border-radius:3px;display:block;position:relative;transition:all .2s ease}.exercise-item.selected .checkbox-custom[data-v-2d462f86]{background-color:#007bff;border-color:#007bff}.exercise-item.selected .checkbox-custom[data-v-2d462f86]:after{content:"";position:absolute;left:4px;top:1px;width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.exercise-content[data-v-2d462f86]{flex:1}.exercise-header[data-v-2d462f86]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.exercise-title[data-v-2d462f86]{margin:0;color:#333;font-size:1rem;flex:1}.exercise-tags[data-v-2d462f86]{display:flex;gap:8px;margin-left:15px}.tag[data-v-2d462f86]{padding:2px 8px;border-radius:12px;font-size:.75rem;color:#fff}.type-choice[data-v-2d462f86]{background:#2196f3}.type-multiple[data-v-2d462f86]{background:#9c27b0}.type-judge[data-v-2d462f86]{background:#ff9800}.type-fill[data-v-2d462f86]{background:#4caf50}.type-essay[data-v-2d462f86]{background:#795548}.difficulty-easy[data-v-2d462f86]{background:#4caf50}.difficulty-general[data-v-2d462f86]{background:#ff9800}.difficulty-hard[data-v-2d462f86]{background:#f44336}.tag.points[data-v-2d462f86]{background:#607d8b}.exercise-description[data-v-2d462f86]{margin:0 0 8px 0;color:#666;font-size:.9rem;line-height:1.4}.exercise-meta[data-v-2d462f86]{display:flex;gap:15px;font-size:.8rem;color:#888;margin-bottom:8px}.meta-item[data-v-2d462f86]{display:flex;align-items:center}.exercise-options-preview[data-v-2d462f86]{margin-top:8px;padding:8px;background:#f8f9fa;border-radius:4px}.options-title[data-v-2d462f86]{font-size:.8rem;color:#666;margin-bottom:4px}.options-list[data-v-2d462f86]{display:flex;flex-wrap:wrap;gap:10px}.option-preview[data-v-2d462f86]{font-size:.8rem;color:#555}.pagination[data-v-2d462f86]{display:flex;justify-content:center;align-items:center;gap:15px;padding:15px;border-top:1px solid #e1e8ed;background:#f8f9fa}.pagination-info[data-v-2d462f86]{font-size:.9rem;color:#666}.modal-actions[data-v-2d462f86]{display:flex;justify-content:space-between;align-items:center;padding-top:15px;border-top:1px solid #eee}.selected-info[data-v-2d462f86]{color:#e07c3e;font-weight:500}.action-buttons[data-v-2d462f86]{display:flex;gap:10px}.btn[data-v-2d462f86]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary[data-v-2d462f86]{background:#e07c3e;color:#fff}.btn-primary[data-v-2d462f86]:hover:not(:disabled){background:#e07c3e}.btn-secondary[data-v-2d462f86]{background:#6c757d;color:#fff}.btn-secondary[data-v-2d462f86]:hover:not(:disabled){background:#545b62}.btn[data-v-2d462f86]:disabled{background:#ccc;cursor:not-allowed}.form-label[data-v-2d462f86]{display:block;margin-bottom:4px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-2d462f86]{padding:8px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s;box-sizing:border-box}.form-input[data-v-2d462f86]:focus{outline:none;border-color:#ffd1b1;box-shadow:0 0 0 2px #e07c3e}.exercises-header[data-v-ca48f80a]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.exercises-header h4[data-v-ca48f80a]{margin:0;color:#333}.empty-exercises[data-v-ca48f80a]{text-align:center;padding:40px;color:#666;border:2px dashed #e1e8ed;border-radius:10px}.empty-icon[data-v-ca48f80a]{font-size:2rem;margin-bottom:10px}.exercise-item[data-v-ca48f80a]{display:flex;justify-content:space-between;align-items:flex-start;padding:16px;background:#fff;border:1px solid #e1e8ed;border-radius:8px;margin-bottom:12px}.exercise-content[data-v-ca48f80a]{flex:1}.exercise-content h5[data-v-ca48f80a]{margin:0 0 8px 0;color:#333}.exercise-content p[data-v-ca48f80a]{margin:0 0 8px 0;color:#666;font-size:.9rem}.exercise-meta[data-v-ca48f80a]{font-size:.8rem;color:#888}.exercise-actions[data-v-ca48f80a]{display:flex;gap:8px}.btn[data-v-ca48f80a]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary[data-v-ca48f80a]{background:#007bff;color:#fff}.btn-primary[data-v-ca48f80a]:hover{background:#0056b3}.btn-danger[data-v-ca48f80a]{background:#dc3545;color:#fff}.btn-danger[data-v-ca48f80a]:hover{background:#c82333}.tab-content[data-v-ca48f80a]{display:none}.tab-content.active[data-v-ca48f80a]{display:block}.prerequisite-checkbox-group[data-v-491dd1e0]{border:1px solid #ddd;border-radius:6px;padding:15px;max-height:200px;overflow-y:auto;background:#f8f9fa}.checkbox-item[data-v-491dd1e0]{margin-bottom:10px}.checkbox-item[data-v-491dd1e0]:last-child{margin-bottom:0}.checkbox-label[data-v-491dd1e0]{display:flex;align-items:center;cursor:pointer;padding:8px 12px;border-radius:4px;transition:background-color .2s ease}.checkbox-label[data-v-491dd1e0]:hover{background-color:#e9ecef}.checkbox-input[data-v-491dd1e0]{display:none}.checkbox-custom[data-v-491dd1e0]{width:18px;height:18px;border:2px solid #ddd;border-radius:3px;margin-right:10px;position:relative;transition:all .2s ease}.checkbox-input:checked+.checkbox-custom[data-v-491dd1e0]{background-color:#c45e20;border-color:#c45e20}.checkbox-input:checked+.checkbox-custom[data-v-491dd1e0]:after{content:"";position:absolute;left:4px;top:1px;width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.checkbox-text[data-v-491dd1e0]{font-size:14px;color:#333}.empty-prerequisites[data-v-491dd1e0]{text-align:center;padding:20px;color:#666;font-style:italic}.content-section[data-v-491dd1e0]{padding:20px;background:#f8f9fa;min-height:100vh}.header-nav[data-v-491dd1e0]{display:flex;align-items:center;gap:15px;margin-bottom:20px}.section-title[data-v-491dd1e0]{margin:0;font-size:1.5rem;font-weight:600;color:#333}.tabs[data-v-491dd1e0]{display:flex;border-bottom:1px solid #e1e8ed;margin-bottom:20px}.tab[data-v-491dd1e0]{padding:12px 24px;cursor:pointer;border-bottom:2px solid transparent;transition:all .2s ease;color:#666}.tab[data-v-491dd1e0]:hover{color:#333}.tab.active[data-v-491dd1e0]{color:#c45e20;border-bottom-color:#c45e20;font-weight:500}.tab-content[data-v-491dd1e0]{display:none}.tab-content.active[data-v-491dd1e0]{display:block}.form-row[data-v-491dd1e0]{display:grid;grid-template-columns:100px 1fr;gap:15px;margin-bottom:20px}.form-group[data-v-491dd1e0]{margin-bottom:20px}.form-label[data-v-491dd1e0]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-491dd1e0]{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s;box-sizing:border-box}.form-input[data-v-491dd1e0]:focus{outline:none;border-color:#ffd1b1;box-shadow:0 0 0 2px #e07c3e}.form-textarea[data-v-491dd1e0]{min-height:100px;resize:vertical}.file-upload[data-v-491dd1e0]{border:2px dashed #e1e8ed;border-radius:10px;padding:30px;text-align:center;cursor:pointer;transition:all .2s ease;background:#f8f9fa}.file-upload[data-v-491dd1e0]:hover{border-color:#ff9a56;background:#ffefe2}.file-icon[data-v-491dd1e0]{font-size:2rem;margin-bottom:10px}.file-hint[data-v-491dd1e0]{font-size:.9rem;color:#666;margin-top:5px}.uploaded-file[data-v-491dd1e0]{margin-top:10px;padding:8px 12px;background:#e8f5e8;border:1px solid #4caf50;border-radius:6px;color:#2e7d32;font-size:.9rem}.knowledge-header[data-v-491dd1e0]{margin-bottom:20px}.knowledge-header h4[data-v-491dd1e0]{margin:0 0 8px 0;color:#333}.knowledge-header p[data-v-491dd1e0]{color:#666;font-size:.9rem;margin:0}.knowledge-container[data-v-491dd1e0]{border:2px solid #e1e8ed;border-radius:10px;padding:20px;background:#f8f9fa}.knowledge-input-group[data-v-491dd1e0]{display:flex;gap:10px;margin-bottom:15px}.knowledge-input-group .form-input[data-v-491dd1e0]{flex:1}.knowledge-input-group select[data-v-491dd1e0]{width:120px}.knowledge-list[data-v-491dd1e0]{min-height:100px}.knowledge-item[data-v-491dd1e0]{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;margin-bottom:8px;background:#fff;border:1px solid #e1e8ed;border-radius:8px}.knowledge-info[data-v-491dd1e0]{display:flex;align-items:center;gap:10px}.knowledge-type[data-v-491dd1e0]{color:#fff;padding:2px 8px;border-radius:12px;font-size:.8rem}.type-concept[data-v-491dd1e0]{background:#2196f3}.type-theorem[data-v-491dd1e0]{background:#9c27b0}.type-formula[data-v-491dd1e0]{background:#ff9800}.type-method[data-v-491dd1e0]{background:#4caf50}.type-application[data-v-491dd1e0]{background:#795548}.knowledge-name[data-v-491dd1e0]{font-weight:500}.empty-state[data-v-491dd1e0]{text-align:center;padding:20px;color:#666;font-style:italic}.exercises-header[data-v-491dd1e0]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.exercises-header h4[data-v-491dd1e0]{margin:0;color:#333}.empty-exercises[data-v-491dd1e0]{text-align:center;padding:40px;color:#666;border:2px dashed #e1e8ed;border-radius:10px}.empty-icon[data-v-491dd1e0]{font-size:2rem;margin-bottom:10px}.exercise-item[data-v-491dd1e0]{display:flex;justify-content:space-between;align-items:flex-start;padding:16px;background:#fff;border:1px solid #e1e8ed;border-radius:8px;margin-bottom:12px}.exercise-content[data-v-491dd1e0]{flex:1}.exercise-content h5[data-v-491dd1e0]{margin:0 0 8px 0;color:#333}.exercise-content p[data-v-491dd1e0]{margin:0 0 8px 0;color:#666;font-size:.9rem}.exercise-meta[data-v-491dd1e0]{font-size:.8rem;color:#888}.exercise-actions[data-v-491dd1e0]{display:flex;gap:8px}.btn[data-v-491dd1e0]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary[data-v-491dd1e0]{background:#007bff;color:#fff}.btn-primary[data-v-491dd1e0]:hover{background:#0056b3}.btn-secondary[data-v-491dd1e0]{background:#6c757d;color:#fff}.btn-secondary[data-v-491dd1e0]:hover{background:#545b62}.btn-danger[data-v-491dd1e0]{background:#dc3545;color:#fff}.btn-danger[data-v-491dd1e0]:hover{background:#c82333}.btn-small[data-v-491dd1e0]{padding:4px 8px;font-size:.8rem}.btn[data-v-491dd1e0]:disabled{background:#ccc;cursor:not-allowed}.action-buttons[data-v-491dd1e0]{text-align:center;margin-top:30px;border-top:1px solid #eee;padding-top:20px}.action-buttons .btn[data-v-491dd1e0]{margin-left:10px}.action-buttons .btn[data-v-491dd1e0]:first-child{margin-left:0}.btn-save[data-v-491dd1e0]{background:linear-gradient(135deg,#f96,#ff5e62)}.btn-cancel[data-v-491dd1e0],.btn-save[data-v-491dd1e0]{color:#fff;padding:10px 20px;border:none;border-radius:20px;cursor:pointer;transition:all .3s ease;margin-right:10px}.btn-cancel[data-v-491dd1e0]{background:linear-gradient(135deg,#3959f8,#0210c8)}.btn-delete[data-v-491dd1e0]{background:linear-gradient(135deg,#ff5e62,#f96);color:#fff;padding:10px 20px;border:none;border-radius:20px;cursor:pointer;transition:all .3s ease}.btn-cancel[data-v-491dd1e0]:hover,.btn-delete[data-v-491dd1e0]:hover,.btn-save[data-v-491dd1e0]:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(255,94,98,.3)}.file-link[data-v-491dd1e0]{color:#007bff;text-decoration:none;cursor:pointer}.content-section[data-v-33c938ac]{padding:20px;background:#f8f9fa;min-height:100vh}.header-nav[data-v-33c938ac]{display:flex;align-items:center;gap:15px;margin-bottom:20px}.section-title[data-v-33c938ac]{margin:0;font-size:1.5rem;font-weight:600;color:#333}.course-info-section[data-v-33c938ac]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:20px;background:#fff;border-radius:15px;box-shadow:0 2px 10px rgba(0,0,0,.1)}.course-info[data-v-33c938ac]{display:flex;align-items:center;gap:15px}.course-icon[data-v-33c938ac]{font-size:2rem}.course-details[data-v-33c938ac]{display:flex;flex-direction:column;gap:4px}.course-name[data-v-33c938ac]{font-weight:600;font-size:1.2rem;color:#333}.course-meta[data-v-33c938ac]{color:#666;font-size:.9rem}.action-buttons[data-v-33c938ac]{display:flex;gap:10px}.statistics-grid[data-v-33c938ac]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.stat-card[data-v-33c938ac]{color:#fff;padding:20px;border-radius:15px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.1)}.stat-total[data-v-33c938ac]{background:linear-gradient(135deg,#74b9ff,#0984e3)}.stat-active[data-v-33c938ac]{background:linear-gradient(135deg,#43e97b,#38d9a9)}.stat-progress[data-v-33c938ac]{background:linear-gradient(135deg,#feca57,#ff9ff3)}.stat-score[data-v-33c938ac]{background:linear-gradient(135deg,#ff6b6b,#ee5a52)}.stat-icon[data-v-33c938ac]{font-size:2rem;margin-bottom:10px}.stat-value[data-v-33c938ac]{font-size:2rem;font-weight:700;margin-bottom:5px}.stat-label[data-v-33c938ac]{opacity:.9;font-size:.9rem}.filter-section[data-v-33c938ac]{background:#fff;padding:20px;border-radius:15px;margin-bottom:20px;box-shadow:0 2px 10px rgba(0,0,0,.1)}.filter-grid[data-v-33c938ac]{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:15px;align-items:end}.filter-group[data-v-33c938ac]{display:flex;flex-direction:column;gap:6px}.students-list[data-v-33c938ac]{display:flex;flex-direction:column;gap:15px}.student-card[data-v-33c938ac]{background:#fff;border-radius:15px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.1);transition:transform .2s ease,box-shadow .2s ease}.student-card[data-v-33c938ac]:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(0,0,0,.15)}.student-main[data-v-33c938ac]{display:flex;align-items:center;gap:20px}.student-avatar[data-v-33c938ac]{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:1.2rem;flex-shrink:0}.student-info[data-v-33c938ac]{flex:1;min-width:0}.student-header[data-v-33c938ac]{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}.student-name[data-v-33c938ac]{margin:0;font-size:1.1rem;color:#333}.status-badge[data-v-33c938ac]{padding:2px 8px;border-radius:12px;font-size:.8rem;color:#fff;font-weight:500}.status-learning[data-v-33c938ac]{background:#74b9ff}.status-active[data-v-33c938ac],.status-completed[data-v-33c938ac]{background:#43e97b}.status-inactive[data-v-33c938ac]{background:#ff6b6b}.student-stats[data-v-33c938ac]{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;margin-bottom:10px}.stat-item[data-v-33c938ac]{color:#666;font-size:.9rem}.progress-bar[data-v-33c938ac]{width:100%;height:8px;background:#e1e8ed;border-radius:4px;overflow:hidden}.progress-fill[data-v-33c938ac]{height:100%;background:linear-gradient(90deg,#74b9ff,#74b9ffaa);border-radius:4px;transition:width .3s ease}.student-actions[data-v-33c938ac]{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.btn[data-v-33c938ac]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary[data-v-33c938ac]{background:#007bff;color:#fff}.btn-primary[data-v-33c938ac]:hover{background:#0056b3}.btn-secondary[data-v-33c938ac]{background:#6c757d;color:#fff}.btn-secondary[data-v-33c938ac]:hover{background:#545b62}.btn-success[data-v-33c938ac]{background:#43e97b;color:#fff}.btn-success[data-v-33c938ac]:hover{background:#38d9a9}.btn-small[data-v-33c938ac]{padding:6px 12px;font-size:.9rem}.form-label[data-v-33c938ac]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-33c938ac]{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s;box-sizing:border-box}.form-input[data-v-33c938ac]:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 2px rgba(0,123,255,.25)}@media (max-width:768px){.course-info-section[data-v-33c938ac]{flex-direction:column;gap:15px;align-items:flex-start}.filter-grid[data-v-33c938ac]{grid-template-columns:1fr;gap:15px}.student-main[data-v-33c938ac]{flex-direction:column;align-items:flex-start;gap:15px}.student-actions[data-v-33c938ac]{flex-direction:row;width:100%;justify-content:flex-end}.statistics-grid[data-v-33c938ac]{grid-template-columns:repeat(2,1fr)}}.teacher-settings[data-v-62e8be16]{max-width:800px;margin:0 auto;padding:30px;background:#f8f9fa;min-height:100vh}.settings-header[data-v-62e8be16]{text-align:center;margin-bottom:40px}.settings-header h1[data-v-62e8be16]{font-size:2rem;font-weight:600;color:#e67e22;margin-bottom:10px}.settings-header p[data-v-62e8be16]{color:#666;font-size:1rem}.settings-card[data-v-62e8be16]{background:#fff;border-radius:15px;padding:30px;box-shadow:0 4px 15px rgba(230,126,34,.1);margin-bottom:30px}.section-title[data-v-62e8be16]{font-size:1.3rem;font-weight:600;margin-bottom:25px;color:#e67e22;display:flex;align-items:center;gap:10px}.section-title[data-v-62e8be16]:before{content:"";display:block;width:4px;height:20px;background:linear-gradient(135deg,#e67e22,#f39c12);border-radius:2px}.form-group[data-v-62e8be16]{margin-bottom:25px}.form-label[data-v-62e8be16]{display:block;margin-bottom:8px;font-weight:500;color:#333}.form-input[data-v-62e8be16]{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:8px;font-size:16px;transition:all .3s}.form-input[data-v-62e8be16]:focus{outline:none;border-color:#e67e22;box-shadow:0 0 0 2px rgba(230,126,34,.2)}.password-strength[data-v-62e8be16]{margin-top:10px;height:6px;background:#eee;border-radius:3px;overflow:hidden}.strength-bar[data-v-62e8be16]{height:100%;width:0;transition:all .3s;border-radius:3px}.strength-weak[data-v-62e8be16]{background:linear-gradient(90deg,#e74c3c,#c0392b);width:33%}.strength-medium[data-v-62e8be16]{background:linear-gradient(90deg,#f39c12,#e67e22);width:66%}.strength-strong[data-v-62e8be16]{background:linear-gradient(90deg,#27ae60,#2ecc71);width:100%}.password-hint[data-v-62e8be16]{font-size:.85rem;color:#666;margin-top:5px}.btn[data-v-62e8be16]{padding:12px 25px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-primary[data-v-62e8be16]{background:linear-gradient(135deg,#e67e22,#f39c12);color:#fff;box-shadow:0 4px 15px rgba(230,126,34,.3)}.btn-primary[data-v-62e8be16]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(230,126,34,.4);background:linear-gradient(135deg,#f39c12,#e67e22)}.btn-primary[data-v-62e8be16]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(230,126,34,.3)}.btn-secondary[data-v-62e8be16]{background:linear-gradient(135deg,#f1f3f4,#e8eaed);color:#666;box-shadow:0 2px 8px rgba(0,0,0,.1)}.btn-secondary[data-v-62e8be16]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15);background:linear-gradient(135deg,#e8eaed,#f1f3f4);color:#333}.btn-secondary[data-v-62e8be16]:active{transform:translateY(0);box-shadow:0 1px 6px rgba(0,0,0,.1)}.form-actions[data-v-62e8be16]{display:flex;justify-content:flex-end;margin-top:30px;padding-top:20px;border-top:1px solid #eee;gap:15px}.user-info[data-v-62e8be16]{display:flex;align-items:center;gap:15px;margin-bottom:20px;padding:15px;background:#fffaf0;border-radius:10px;border-left:4px solid #e67e22}.user-avatar-container[data-v-62e8be16]{display:flex;flex-direction:column;align-items:center;gap:10px}.user-avatar[data-v-62e8be16]{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#e67e22,#f39c12);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:1.2rem;box-shadow:0 4px 10px rgba(230,126,34,.3);position:relative;overflow:hidden}.user-avatar.has-image[data-v-62e8be16]{background:transparent}.avatar-image[data-v-62e8be16]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;border-radius:50%}.avatar-upload-btn[data-v-62e8be16]{background:transparent;border:1px solid #e67e22;color:#e67e22;padding:6px 12px;border-radius:6px;font-size:.8rem;cursor:pointer;transition:all .3s}.avatar-upload-btn[data-v-62e8be16]:hover{background:#e67e22;color:#fff}.user-details h3[data-v-62e8be16]{color:#333;margin-bottom:5px}.user-details p[data-v-62e8be16]{color:#666;font-size:.9rem}@media (max-width:768px){.teacher-settings[data-v-62e8be16]{padding:20px}.form-actions[data-v-62e8be16]{flex-direction:column;gap:10px}.btn[data-v-62e8be16]{width:100%}}.interaction-monitor[data-v-d265d4c8]{padding:20px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);min-height:100vh;position:relative}.connection-status[data-v-d265d4c8]{position:fixed;top:80px;right:20px;padding:8px 12px;border-radius:20px;font-size:12px;font-weight:500;z-index:100;display:flex;align-items:center;gap:6px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1);cursor:pointer;transition:all .3s ease}.connection-status[data-v-d265d4c8]:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.connection-status.connected[data-v-d265d4c8]{color:#00b894;cursor:default}.connection-status.connected[data-v-d265d4c8]:hover{transform:none;box-shadow:0 2px 8px rgba(0,0,0,.1)}.connection-status.disconnected[data-v-d265d4c8]{color:#ff6b6b}.status-dot[data-v-d265d4c8]{width:8px;height:8px;border-radius:50%;animation:pulse-d265d4c8 2s infinite}.connection-status.connected .status-dot[data-v-d265d4c8]{background:#00b894}.connection-status.disconnected .status-dot[data-v-d265d4c8]{background:#ff6b6b}.reconnect-hint[data-v-d265d4c8]{font-size:10px;opacity:.8;margin-left:4px}.user-type[data-v-d265d4c8]{font-size:10px;opacity:.7}@keyframes pulse-d265d4c8{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.monitor-header[data-v-d265d4c8]{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.section-title[data-v-d265d4c8]{color:#2d3436;font-size:24px;font-weight:700;margin:0}.monitor-controls[data-v-d265d4c8]{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.refresh-btn[data-v-d265d4c8]{padding:10px 16px;background:linear-gradient(135deg,#ff9a3c,#ff6b6b);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;display:flex;align-items:center;gap:6px;box-shadow:0 2px 8px hsla(0,100%,71%,.2)}.refresh-btn[data-v-d265d4c8]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 16px hsla(0,100%,71%,.3)}.refresh-btn[data-v-d265d4c8]:disabled{opacity:.6;cursor:not-allowed;transform:none}.card-header[data-v-d265d4c8]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:16px}.card-header h3[data-v-d265d4c8]{margin:0;color:#2d3436;font-size:18px}.header-controls[data-v-d265d4c8]{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.last-update[data-v-d265d4c8]{font-size:12px;color:#636e72}.legend[data-v-d265d4c8]{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.legend-item[data-v-d265d4c8]{display:flex;align-items:center;gap:6px;font-size:12px;color:#636e72}.legend-color[data-v-d265d4c8]{width:12px;height:12px;border-radius:2px}.legend-color.online[data-v-d265d4c8]{background:linear-gradient(135deg,#00b894,#00a085)}.legend-color.recent[data-v-d265d4c8]{background:linear-gradient(135deg,#ff9a3c,#ff6b6b)}.legend-color.inactive[data-v-d265d4c8]{background:#b2bec3}.legend-color.offline[data-v-d265d4c8]{background:#636e72}.stats-overview[data-v-d265d4c8]{margin-bottom:24px}.stats-grid[data-v-d265d4c8]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.stat-card[data-v-d265d4c8]{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.1);display:flex;align-items:center;gap:16px;transition:all .3s ease;position:relative;overflow:hidden}.stat-card[data-v-d265d4c8]:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.stat-card[data-v-d265d4c8]:first-child:before{background:linear-gradient(135deg,#74b9ff,#0984e3)}.stat-card[data-v-d265d4c8]:nth-child(2):before{background:linear-gradient(135deg,#00b894,#00a085)}.stat-card[data-v-d265d4c8]:nth-child(3):before{background:linear-gradient(135deg,#636e72,#2d3436)}.stat-card[data-v-d265d4c8]:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.15)}.stat-icon[data-v-d265d4c8]{font-size:32px;flex-shrink:0}.stat-content[data-v-d265d4c8]{flex:1}.stat-number[data-v-d265d4c8]{font-size:24px;font-weight:700;color:#2d3436;margin-bottom:4px}.stat-label[data-v-d265d4c8]{font-size:14px;color:#636e72}.card[data-v-d265d4c8]{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.1);margin-bottom:24px}.interaction-grid[data-v-d265d4c8]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.interaction-card[data-v-d265d4c8]{background:#fff;border-radius:8px;padding:16px;border:2px solid transparent;transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.interaction-card[data-v-d265d4c8]:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.1)}.interaction-card.online[data-v-d265d4c8]{border-color:#00b894;background:linear-gradient(135deg,#f0fff8,#e0f7f1)}.interaction-card.recent[data-v-d265d4c8]{border-color:#ff9a3c;background:linear-gradient(135deg,#fff9f2,#ffe8d6)}.interaction-card.inactive[data-v-d265d4c8]{border-color:#b2bec3;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.interaction-card.offline[data-v-d265d4c8]{border-color:#636e72;background:linear-gradient(135deg,#f1f2f6,#dfe4ea);opacity:.8}.student-header[data-v-d265d4c8]{display:flex;align-items:center;gap:12px;margin-bottom:12px}.student-avatar[data-v-d265d4c8]{font-size:24px;width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.2);flex-shrink:0;color:#fff;font-weight:700}.student-avatar.online[data-v-d265d4c8]{background:linear-gradient(135deg,#00b894,#00a085)}.student-avatar.recent[data-v-d265d4c8]{background:linear-gradient(135deg,#ff9a3c,#ff6b6b)}.student-avatar.inactive[data-v-d265d4c8]{background:linear-gradient(135deg,#b2bec3,#636e72)}.student-avatar.offline[data-v-d265d4c8]{background:linear-gradient(135deg,#636e72,#2d3436)}.student-info[data-v-d265d4c8]{flex:1}.student-name[data-v-d265d4c8]{font-weight:700;color:#2d3436;margin-bottom:4px;font-size:16px}.student-details[data-v-d265d4c8]{display:flex;flex-direction:column;gap:2px}.school-name[data-v-d265d4c8],.student-no[data-v-d265d4c8]{font-size:12px;color:#636e72}.time-badge[data-v-d265d4c8]{font-size:12px;font-weight:700;padding:4px 8px;border-radius:6px;color:#fff}.time-badge.online[data-v-d265d4c8]{background:#00b894}.time-badge.recent[data-v-d265d4c8]{background:#ff9a3c}.time-badge.inactive[data-v-d265d4c8]{background:#b2bec3}.time-badge.offline[data-v-d265d4c8]{background:#636e72}.interaction-details[data-v-d265d4c8]{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:12px}.detail-item[data-v-d265d4c8]{text-align:center;padding:8px;background:hsla(0,0%,100%,.7);border-radius:6px}.detail-label[data-v-d265d4c8]{font-size:10px;color:#636e72;margin-bottom:2px}.detail-value[data-v-d265d4c8]{font-size:12px;font-weight:600;color:#2d3436}.status-indicator[data-v-d265d4c8]{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:15px;font-size:12px;font-weight:500}.status-indicator.online[data-v-d265d4c8]{background:rgba(0,184,148,.1);color:#00b894}.status-indicator.recent[data-v-d265d4c8]{background:rgba(255,154,60,.1);color:#ff9a3c}.status-indicator.inactive[data-v-d265d4c8]{background:rgba(178,190,195,.1);color:#636e72}.status-indicator.offline[data-v-d265d4c8]{background:rgba(99,110,114,.1);color:#636e72}.status-dot-indicator[data-v-d265d4c8]{width:8px;height:8px;border-radius:50%}.status-indicator.online .status-dot-indicator[data-v-d265d4c8]{background:#00b894;animation:pulse-d265d4c8 2s infinite}.status-indicator.recent .status-dot-indicator[data-v-d265d4c8]{background:#ff9a3c;animation:pulse-d265d4c8 2s infinite}.status-indicator.inactive .status-dot-indicator[data-v-d265d4c8]{background:#b2bec3}.status-indicator.offline .status-dot-indicator[data-v-d265d4c8]{background:#636e72}.status-text[data-v-d265d4c8]{font-size:11px;font-weight:600}@media (max-width:768px){.interaction-monitor[data-v-d265d4c8]{padding:12px}.monitor-header[data-v-d265d4c8]{flex-direction:column;align-items:stretch}.connection-status[data-v-d265d4c8]{top:70px;right:12px}.stats-grid[data-v-d265d4c8]{grid-template-columns:repeat(2,1fr);gap:12px}.interaction-grid[data-v-d265d4c8]{grid-template-columns:1fr}.card-header[data-v-d265d4c8]{flex-direction:column;align-items:stretch}.header-controls[data-v-d265d4c8]{align-items:flex-start}.legend[data-v-d265d4c8]{justify-content:center}}@media (max-width:480px){.interaction-details[data-v-d265d4c8],.stats-grid[data-v-d265d4c8]{grid-template-columns:1fr}}.content-area{padding:20px}.simple-attachments-container[data-v-ee1d082c]{background:#fff;border-radius:8px;padding:0}.attachments-header[data-v-ee1d082c]{margin-bottom:12px}.attachments-title[data-v-ee1d082c]{margin:0;font-size:14px;font-weight:600;color:#333;display:flex;align-items:center;gap:6px}.title-icon[data-v-ee1d082c]{font-size:16px}.attachment-count[data-v-ee1d082c]{color:#666;font-weight:400;font-size:12px}.loading-state[data-v-ee1d082c]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 0;color:#666;gap:8px}.loading-spinner[data-v-ee1d082c]{width:18px;height:18px;border:2px solid #f0f0f0;border-top:2px solid #fa709a;border-radius:50%;animation:spin-ee1d082c 1s linear infinite}.loading-text[data-v-ee1d082c]{font-size:12px}@keyframes spin-ee1d082c{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.empty-state[data-v-ee1d082c]{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:16px 0;color:#999;gap:6px}.empty-icon[data-v-ee1d082c]{font-size:24px;opacity:.5;margin-bottom:4px}.empty-text[data-v-ee1d082c]{font-size:12px}.attachments-grid[data-v-ee1d082c]{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}.attachment-grid-item[data-v-ee1d082c]{display:flex;flex-direction:column;align-items:center;padding:8px;border:1px solid #f0f0f0;border-radius:6px;background:#fafafa;cursor:pointer;transition:all .2s;position:relative;min-height:90px}.attachment-grid-item[data-v-ee1d082c]:hover{border-color:#fa709a;background:#fff5f8;transform:translateY(-1px);box-shadow:0 2px 6px rgba(250,112,154,.15)}.file-icon-compact[data-v-ee1d082c]{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;font-size:16px;margin-bottom:6px}.file-icon-compact.pdf[data-v-ee1d082c]{background:#ffebee;color:#f44336}.file-icon-compact.word[data-v-ee1d082c]{background:#e3f2fd;color:#2196f3}.file-icon-compact.excel[data-v-ee1d082c]{background:#e8f5e8;color:#4caf50}.file-icon-compact.powerpoint[data-v-ee1d082c]{background:#fce4ec;color:#e91e63}.file-icon-compact.text[data-v-ee1d082c]{background:#f5f5f5;color:#757575}.file-icon-compact.archive[data-v-ee1d082c]{background:#fff3e0;color:#ff9800}.file-icon-compact.image[data-v-ee1d082c]{background:#f3e5f5;color:#9c27b0}.file-icon-compact.default[data-v-ee1d082c]{background:#f5f5f5;color:#9e9e9e}.file-info-compact[data-v-ee1d082c]{width:100%;text-align:center;margin-bottom:6px}.file-name-compact[data-v-ee1d082c]{font-size:11px;font-weight:500;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;line-height:1.2}.file-meta-compact[data-v-ee1d082c]{font-size:10px;color:#666}.file-type-compact[data-v-ee1d082c]{font-weight:500}.download-btn-compact[data-v-ee1d082c]{position:absolute;bottom:6px;right:6px;width:20px;height:20px;border:none;background:hsla(0,0%,100%,.8);border-radius:4px;cursor:pointer;font-size:10px;color:#666;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 1px 2px rgba(0,0,0,.1)}.download-btn-compact[data-v-ee1d082c]:hover{background:#fa709a;color:#fff;transform:scale(1.1)}@media (max-width:768px){.attachments-grid[data-v-ee1d082c]{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:6px}.attachment-grid-item[data-v-ee1d082c]{padding:6px;min-height:80px}.file-icon-compact[data-v-ee1d082c]{width:28px;height:28px;font-size:14px}.file-name-compact[data-v-ee1d082c]{font-size:10px}.file-meta-compact[data-v-ee1d082c]{font-size:9px}}@media (max-width:480px){.attachments-grid[data-v-ee1d082c]{grid-template-columns:repeat(3,1fr)}}.homework-item[data-v-30b01c09]{background:#fff;border-radius:15px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.1);transition:all .3s ease;border-left:4px solid #ff7e5f;position:relative}.homework-item[data-v-30b01c09]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.15)}.homework-item.draft[data-v-30b01c09]{border-left-color:#feca57;opacity:.8}.homework-item.published[data-v-30b01c09]{border-left-color:#43e97b}.homework-info[data-v-30b01c09]{flex:1}.homework-title[data-v-30b01c09]{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:5px}.homework-subject[data-v-30b01c09]{color:#666;font-size:.9rem;margin-bottom:8px}.homework-meta[data-v-30b01c09]{display:flex;gap:15px;color:#666;font-size:.9rem;flex-wrap:wrap}.meta-separator[data-v-30b01c09]{margin:0 5px}.homework-status-section[data-v-30b01c09]{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.homework-status[data-v-30b01c09]{padding:6px 12px;border-radius:15px;font-size:.8rem;font-weight:600;white-space:nowrap}.status-submitted[data-v-30b01c09]{background:#fff3cd;color:#856404}.status-published[data-v-30b01c09]{background:#d4edda;color:#155724}.status-grading[data-v-30b01c09]{background:#d1ecf1;color:#0c5460}.status-completed[data-v-30b01c09]{background:#e2e3e5;color:#383d41}.homework-description[data-v-30b01c09]{color:#666;margin-bottom:15px;line-height:1.5}.homework-stats[data-v-30b01c09]{display:flex;gap:15px;margin-top:10px;flex-wrap:wrap}.homework-stat[data-v-30b01c09]{background:#f8f9fa;padding:8px 12px;border-radius:8px;font-size:.8rem;color:#666}.homework-stat.highlight[data-v-30b01c09]{background:#e3f2fd;color:#1976d2}.homework-actions[data-v-30b01c09]{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.homework-btn[data-v-30b01c09]{display:flex;align-items:center;padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease;text-decoration:none;outline:none;min-height:36px;position:relative;overflow:hidden}.homework-btn.primary-0[data-v-30b01c09]{background:#feca57;color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3);border:none}.homework-btn.primary[data-v-30b01c09]{background:linear-gradient(135deg,#ff7e5f,#f6ed01);color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3);border:none}.homework-btn.primary[data-v-30b01c09]:hover{background:linear-gradient(135deg,#ff6b4a,#f6ed01);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,126,95,.4)}.homework-btn.primary[data-v-30b01c09]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(255,126,95,.3)}.homework-btn.secondary[data-v-30b01c09]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.secondary[data-v-30b01c09]:hover{background:#f8f9fa;color:#ff7e5f;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.15)}.homework-btn.secondary[data-v-30b01c09]:active{transform:translateY(0);box-shadow:0 2px 6px rgba(0,0,0,.1)}.homework-btn[data-v-30b01c09]:hover{transform:translateY(-1px)}.homework-type-badge[data-v-30b01c09]{display:inline-block;padding:4px 12px;border-radius:6px;font-size:.8rem;font-weight:600;margin-bottom:12px;color:#fff}.homework-type-badge.photo[data-v-30b01c09]{background:linear-gradient(135deg,#667eea,#764ba2)}.homework-type-badge.online[data-v-30b01c09]{background:linear-gradient(135deg,#4facfe,#00f2fe)}.homework-type-badge.file[data-v-30b01c09]{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#333}.homework-header[data-v-30b01c09]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.homework-item[data-v-34a93de9]{background:#fff;border-radius:15px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.1);transition:all .3s ease;border-left:4px solid #667eea;position:relative}.homework-item[data-v-34a93de9]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.15)}.homework-type-badge[data-v-34a93de9]{display:inline-block;padding:4px 12px;border-radius:6px;font-size:.8rem;font-weight:600;margin-bottom:12px}.homework-type-badge.self-submitted[data-v-34a93de9]{background:linear-gradient(135deg,#ff9800,#f57c00)}.homework-header[data-v-34a93de9]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.homework-info[data-v-34a93de9]{flex:1}.homework-title[data-v-34a93de9]{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:5px}.homework-subject[data-v-34a93de9]{color:#666;font-size:.9rem;margin-bottom:8px}.homework-meta[data-v-34a93de9]{color:#666;font-size:.9rem}.homework-status-section[data-v-34a93de9]{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.homework-status[data-v-34a93de9]{padding:6px 12px;border-radius:15px;font-size:.8rem;font-weight:600;white-space:nowrap}.status-pending-review[data-v-34a93de9]{background:#fff3cd;color:#856404}.homework-description[data-v-34a93de9]{color:#666;margin-bottom:15px;line-height:1.5}.student-note[data-v-34a93de9]{color:#999;font-style:italic}.homework-stats[data-v-34a93de9]{display:flex;gap:15px;margin-top:10px;flex-wrap:wrap}.homework-stat[data-v-34a93de9]{background:#f8f9fa;padding:8px 12px;border-radius:8px;font-size:.8rem;color:#666}.homework-actions[data-v-34a93de9]{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.homework-btn[data-v-34a93de9]{padding:10px 18px;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease;min-height:40px;display:flex;align-items:center;justify-content:center}.homework-btn.primary[data-v-34a93de9]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3);border:none}.homework-btn.primary[data-v-34a93de9]:hover{background:linear-gradient(135deg,#ff6b4a,#f6ed01);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,126,95,.4)}.homework-btn.primary[data-v-34a93de9]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(255,126,95,.3)}.homework-btn.secondary[data-v-34a93de9]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.secondary[data-v-34a93de9]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.15)}.homework-btn.secondary[data-v-34a93de9]:active{transform:translateY(0);box-shadow:0 2px 6px rgba(0,0,0,.1)}.homework-btn.success[data-v-34a93de9]{background:#43e97b;color:#fff;border:none;box-shadow:0 4px 15px rgba(67,233,123,.3)}.homework-btn.success[data-v-34a93de9]:hover{background:#2ed573;transform:translateY(-2px);box-shadow:0 6px 20px rgba(67,233,123,.4)}.homework-btn.success[data-v-34a93de9]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(67,233,123,.3)}.homework-btn[data-v-34a93de9]:hover{transform:translateY(-1px)}@media (max-width:768px){.homework-header[data-v-34a93de9]{flex-direction:column;gap:10px}.homework-status-section[data-v-34a93de9]{align-items:flex-start}.homework-actions[data-v-34a93de9]{flex-direction:column}.homework-btn[data-v-34a93de9]{width:100%}}.homework-item[data-v-550bcbff]{background:#fff;border-radius:15px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.1);transition:all .3s ease;border-left:4px solid #feca57;position:relative;opacity:.8}.homework-item[data-v-550bcbff]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.15);opacity:1}.homework-type-badge[data-v-550bcbff]{display:inline-block;padding:4px 12px;border-radius:6px;font-size:.8rem;font-weight:600;margin-bottom:12px}.homework-type-badge.photo[data-v-550bcbff]{background:linear-gradient(135deg,#667eea,#764ba2)}.homework-type-badge.online[data-v-550bcbff]{background:linear-gradient(135deg,#4facfe,#00f2fe)}.homework-header[data-v-550bcbff]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.homework-info[data-v-550bcbff]{flex:1}.homework-title[data-v-550bcbff]{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:5px}.homework-subject[data-v-550bcbff]{color:#666;font-size:.9rem;margin-bottom:8px}.homework-meta[data-v-550bcbff]{display:flex;gap:15px;color:#666;font-size:.9rem;flex-wrap:wrap}.meta-separator[data-v-550bcbff]{margin:0 5px}.homework-status-section[data-v-550bcbff]{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.homework-status[data-v-550bcbff]{padding:6px 12px;border-radius:15px;font-size:.8rem;font-weight:600;white-space:nowrap}.status-draft[data-v-550bcbff]{background:#fff3cd;color:#856404}.homework-description[data-v-550bcbff]{color:#666;margin-bottom:15px;line-height:1.5}.homework-actions[data-v-550bcbff]{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.homework-btn[data-v-550bcbff]{display:flex;align-items:center;padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease;text-decoration:none;outline:none;min-height:36px;position:relative;overflow:hidden}.homework-btn.primary[data-v-550bcbff]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3);border:none}.homework-btn.primary[data-v-550bcbff]:hover{background:linear-gradient(135deg,#ff6b4a,#f6ed01);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,126,95,.4)}.homework-btn.primary[data-v-550bcbff]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(255,126,95,.3)}.homework-btn.secondary[data-v-550bcbff]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.secondary[data-v-550bcbff]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.15)}.homework-btn.secondary[data-v-550bcbff]:active{transform:translateY(0);box-shadow:0 2px 6px rgba(0,0,0,.1)}.homework-btn.success[data-v-550bcbff]{background:#43e97b;color:#fff;border:none;box-shadow:0 4px 15px rgba(67,233,123,.3)}.homework-btn.success[data-v-550bcbff]:hover{background:#2ed573;transform:translateY(-2px);box-shadow:0 6px 20px rgba(67,233,123,.4)}.homework-btn.success[data-v-550bcbff]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(67,233,123,.3)}.homework-btn.delete-btn[data-v-550bcbff]{color:#ff6b6b;border-color:#ff6b6b}.homework-btn.delete-btn[data-v-550bcbff]:hover{background:#ff6b6b;color:#fff}.homework-btn[data-v-550bcbff]:hover{transform:translateY(-1px)}@media (max-width:768px){.homework-header[data-v-550bcbff]{flex-direction:column;gap:10px}.homework-status-section[data-v-550bcbff]{align-items:flex-start}.homework-actions[data-v-550bcbff]{flex-direction:column}.homework-btn[data-v-550bcbff]{width:100%}}.homework-item[data-v-1ce82f6a]{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:transform .3s ease,box-shadow .3s ease}.homework-item[data-v-1ce82f6a]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}.homework-type-badge[data-v-1ce82f6a]{display:inline-block;padding:4px 12px;border-radius:6px;font-size:.8rem;font-weight:600;margin-bottom:12px}.homework-type-badge.online[data-v-1ce82f6a]{background:#e3f2fd;color:#1976d2}.homework-type-badge.photo[data-v-1ce82f6a]{background:#f3e5f5;color:#7b1fa2}.homework-header[data-v-1ce82f6a]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.homework-info[data-v-1ce82f6a]{flex:1}.homework-title[data-v-1ce82f6a]{font-size:1.2rem;font-weight:700;color:#1a1a1a;margin-bottom:4px}.homework-subject[data-v-1ce82f6a]{color:#666;font-size:.9rem;margin-bottom:8px}.homework-meta[data-v-1ce82f6a]{color:#888;font-size:.85rem}.homework-status[data-v-1ce82f6a]{display:inline-block;padding:4px 12px;border-radius:6px;font-size:.8rem;font-weight:600}.status-completed[data-v-1ce82f6a]{background:#e2e3e5;color:#383d41}.homework-stats[data-v-1ce82f6a]{display:flex;gap:0;margin-bottom:15px;margin-top:10px;flex-wrap:wrap}.homework-stat[data-v-1ce82f6a]{padding:6px 12px;background:#f8f9fa;border-radius:6px;font-size:.85rem;color:#666;margin-right:8px;margin-bottom:8px}.homework-stat.highlight[data-v-1ce82f6a]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;font-weight:600}.homework-actions[data-v-1ce82f6a]{display:flex;gap:10px;flex-wrap:wrap}.homework-btn[data-v-1ce82f6a]{display:flex;align-items:center;padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease;text-decoration:none;outline:none;min-height:36px;position:relative;overflow:hidden}.homework-btn.secondary[data-v-1ce82f6a]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.secondary[data-v-1ce82f6a]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.15)}.homework-btn.secondary[data-v-1ce82f6a]:active{transform:translateY(0);box-shadow:0 2px 6px rgba(0,0,0,.1)}@media (max-width:768px){.homework-stats[data-v-1ce82f6a]{gap:8px}.homework-stat[data-v-1ce82f6a]{margin-right:0;flex:1;min-width:calc(50% - 4px);text-align:center}.homework-actions[data-v-1ce82f6a]{justify-content:center}.homework-btn[data-v-1ce82f6a]{flex:1;justify-content:center;min-width:120px}}.file-upload-section[data-v-34152c8a]{padding:12px;border:1px solid #e1e8ed;border-radius:8px;margin-top:12px;background:#fafafa}.section-title[data-v-34152c8a]{margin:0 0 12px 0;font-size:1rem;color:#333;font-weight:600}.upload-area[data-v-34152c8a]{border:1px dashed #e1e8ed;border-radius:6px;padding:16px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:12px;background:#fff}.upload-area[data-v-34152c8a]:hover{border-color:#fa709a;background:#fff5f8}.upload-area.has-files[data-v-34152c8a]{border-style:solid;border-color:#43e97b;background:#f8fff8}.upload-area.dragover[data-v-34152c8a]{border-color:#fa709a;background:#fff5f8;transform:scale(1.01)}.upload-placeholder .upload-icon[data-v-34152c8a]{font-size:1.8rem;margin-bottom:10px;opacity:.7}.upload-text[data-v-34152c8a]{font-weight:600;margin-bottom:6px;color:#333;font-size:.9rem}.upload-hint[data-v-34152c8a]{color:#666;font-size:.8rem;line-height:1.2}.upload-preview[data-v-34152c8a]{text-align:left}.preview-grid[data-v-34152c8a]{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}.preview-item[data-v-34152c8a]{position:relative;border:1px solid #e1e8ed;border-radius:6px;overflow:hidden;background:#fff;transition:transform .2s;padding:8px;display:flex;align-items:center;gap:8px}.preview-item[data-v-34152c8a]:hover{transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.1)}.file-icon[data-v-34152c8a]{font-size:1rem;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;flex-shrink:0}.file-icon.pdf[data-v-34152c8a]{background:#ffebee;color:#f44336}.file-icon.word[data-v-34152c8a]{background:#e3f2fd;color:#2196f3}.file-icon.excel[data-v-34152c8a]{background:#e8f5e8;color:#4caf50}.file-icon.powerpoint[data-v-34152c8a]{background:#fce4ec;color:#e91e63}.file-icon.text[data-v-34152c8a]{background:#f5f5f5;color:#757575}.file-icon.archive[data-v-34152c8a]{background:#fff3e0;color:#ff9800}.file-icon.default[data-v-34152c8a]{background:#f5f5f5;color:#9e9e9e}.preview-info[data-v-34152c8a]{flex:1;min-width:0}.file-name[data-v-34152c8a]{font-size:.8rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.file-size[data-v-34152c8a]{font-size:.7rem;color:#666;margin-bottom:1px}.file-type[data-v-34152c8a]{font-size:.65rem;color:#999}.remove-btn[data-v-34152c8a]{position:absolute;top:2px;right:2px;background:#ff6b6b;color:#fff;border:none;border-radius:50%;width:16px;height:16px;cursor:pointer;font-size:.6rem;transition:background-color .2s;flex-shrink:0;line-height:1;padding:0;display:flex;align-items:center;justify-content:center}.remove-btn[data-v-34152c8a]:hover{background:#ff5252}@media (max-width:768px){.file-upload-section[data-v-34152c8a]{padding:10px}.upload-area[data-v-34152c8a]{padding:12px}.preview-grid[data-v-34152c8a]{grid-template-columns:1fr;gap:6px}.preview-item[data-v-34152c8a]{padding:6px}}.modal[data-v-37cb7611]{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;display:flex;justify-content:center;align-items:center}.modal-content[data-v-37cb7611]{background:#fff;border-radius:16px;padding:24px;max-width:680px;width:90%;max-height:80%;overflow-y:auto;position:relative}.close-btn[data-v-37cb7611]{position:absolute;top:12px;right:16px;font-size:1.5rem;cursor:pointer;color:#999;background:none;border:none;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .3s}.close-btn[data-v-37cb7611]:hover{background:#f5f5f5}.form-group[data-v-37cb7611]{margin-bottom:16px}.form-label[data-v-37cb7611]{display:block;margin-bottom:6px;font-weight:600;color:#333;font-size:.9rem}.form-input[data-v-37cb7611]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:8px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-37cb7611]:focus{border-color:#fa709a}.form-textarea[data-v-37cb7611]{resize:vertical;min-height:80px;font-family:inherit}.class-option.disabled-option[data-v-37cb7611]{cursor:not-allowed;opacity:.7}.class-option.disabled-option[data-v-37cb7611]:hover{background:transparent}.class-checkbox[data-v-37cb7611]:disabled{cursor:not-allowed}.edit-mode-hint[data-v-37cb7611]{margin-left:8px;color:#ff9800;font-size:.8rem;font-style:italic}.class-selection[data-v-37cb7611]{border:2px solid #e1e8ed;border-radius:8px;padding:12px;background:#fafafa}.class-options[data-v-37cb7611]{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.class-option[data-v-37cb7611]{display:flex;align-items:center;cursor:pointer;padding:8px;border-radius:6px;transition:background-color .3s}.class-option[data-v-37cb7611]:hover{background:rgba(250,112,154,.1)}.class-checkbox[data-v-37cb7611]{margin-right:8px;transform:scale(1.1)}.class-content[data-v-37cb7611]{display:flex;justify-content:space-between;align-items:center;width:100%}.class-name[data-v-37cb7611]{font-weight:500;color:#333;font-size:.9rem}.class-student-count[data-v-37cb7611]{color:#666;font-size:.8rem}.class-selection-actions[data-v-37cb7611]{display:flex;gap:8px;margin-bottom:12px}.btn-clear-all[data-v-37cb7611],.btn-select-all[data-v-37cb7611]{padding:5px 10px;border:1px solid #ddd;border-radius:5px;background:#fff;cursor:pointer;font-size:.8rem;transition:all .3s}.btn-select-all[data-v-37cb7611]:hover{background:#fa709a;color:#fff;border-color:#fa709a}.btn-clear-all[data-v-37cb7611]:hover{background:#ff4d4f;color:#fff;border-color:#ff4d4f}.no-class-selected[data-v-37cb7611],.selected-classes-preview[data-v-37cb7611]{padding:8px;background:#fff;border-radius:6px;border:1px dashed #ddd;font-size:.85rem}.preview-label[data-v-37cb7611]{font-weight:500;color:#666;margin-right:8px}.selected-class-tag[data-v-37cb7611]{display:inline-block;background:linear-gradient(135deg,rgba(250,112,154,.1),rgba(254,225,64,.1));color:#fa709a;padding:3px 6px;border-radius:5px;margin:2px 3px;font-size:.8rem;border:1px solid rgba(250,112,154,.3)}.submit-type-options[data-v-37cb7611]{display:flex;gap:8px;flex-wrap:wrap}.submit-type-option[data-v-37cb7611]{flex:1;min-width:100px;cursor:pointer}.submit-type-radio[data-v-37cb7611]{display:none}.submit-type-content[data-v-37cb7611]{display:flex;flex-direction:column;align-items:center;padding:12px 8px;border:2px solid #e1e8ed;border-radius:8px;transition:all .3s ease;background:#fff;text-align:center}.submit-type-radio:checked+.submit-type-content[data-v-37cb7611]{border-color:#fa709a;background:linear-gradient(135deg,rgba(250,112,154,.1),rgba(254,225,64,.1));color:#fa709a}.submit-type-content[data-v-37cb7611]:hover{border-color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 8px rgba(250,112,154,.2)}.submit-type-icon[data-v-37cb7611]{font-size:1.3rem;margin-bottom:6px}.submit-type-text[data-v-37cb7611]{font-weight:500;font-size:.85rem}.grading-method-section[data-v-37cb7611]{border:2px solid #e1e8ed;border-radius:8px;padding:12px;background:#fafafa}.grading-method-options[data-v-37cb7611]{display:flex;gap:12px;margin-bottom:12px}.grading-method-option[data-v-37cb7611]{flex:1;min-width:120px;cursor:pointer}.grading-method-radio[data-v-37cb7611]{display:none}.grading-method-content[data-v-37cb7611]{display:flex;flex-direction:column;align-items:center;padding:12px 8px;border:2px solid #e1e8ed;border-radius:8px;transition:all .3s ease;background:#fff;text-align:center}.grading-method-radio:checked+.grading-method-content[data-v-37cb7611]{border-color:#fa709a;background:linear-gradient(135deg,rgba(217,9,155,.1),rgba(90,2,77,.1));color:#fa709a}.grading-method-content[data-v-37cb7611]:hover{border-color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 8px rgba(250,3,188,.2)}.grading-method-icon[data-v-37cb7611]{font-size:1.5rem;margin-bottom:6px}.grading-method-text[data-v-37cb7611]{font-weight:600;font-size:.9rem;margin-bottom:4px}.grading-method-desc[data-v-37cb7611]{font-size:.75rem;color:#666;opacity:.8}.grading-method-info[data-v-37cb7611]{background:#e8f5e9;padding:12px;border-radius:8px;border-left:4px solid #fa709a;display:flex;align-items:flex-start;gap:10px;margin-top:8px}.info-icon[data-v-37cb7611]{color:#fa709a;font-size:1rem;flex-shrink:0;margin-top:2px}.info-content[data-v-37cb7611]{flex:1}.info-title[data-v-37cb7611]{font-weight:600;color:#333;font-size:.85rem;margin-bottom:4px}.info-desc[data-v-37cb7611]{color:#fa709a;font-size:.8rem;line-height:1.4}.btn[data-v-37cb7611]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;border:none;padding:10px 24px;border-radius:8px;cursor:pointer;font-weight:600;font-size:.9rem;transition:transform .3s,box-shadow .3s;min-width:100px}.btn[data-v-37cb7611]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.3)}.btn-secondary[data-v-37cb7611]{background:#f8f9fa;color:#666;border:2px solid #e0e0e0}.btn-secondary[data-v-37cb7611]:hover{background:#f1f3f4;color:#fa709a;border-color:#fa709a}.loading-state[data-v-37cb7611]{padding:20px;text-align:center;color:#666;font-size:.9rem}.empty-state[data-v-37cb7611]{padding:20px;text-align:center;color:#999;font-size:.9rem;background:#f9f9f9;border-radius:6px}@media (max-width:480px){.modal-content[data-v-37cb7611]{padding:20px;border-radius:12px}.submit-type-options[data-v-37cb7611]{flex-direction:column}.submit-type-option[data-v-37cb7611]{min-width:auto}.grading-method-options[data-v-37cb7611]{flex-direction:column}.grading-method-option[data-v-37cb7611]{min-width:auto}.class-content[data-v-37cb7611]{flex-direction:column;align-items:flex-start}.class-student-count[data-v-37cb7611]{margin-top:3px}.btn[data-v-37cb7611]{padding:8px 20px;font-size:.85rem;min-width:90px}}.modal[data-v-0132e852]{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;display:flex;justify-content:center;align-items:center}.modal-content[data-v-0132e852]{background:#fff;border-radius:20px;padding:30px;max-width:600px;width:90%;max-height:80%;overflow-y:auto;position:relative;box-shadow:0 10px 30px rgba(0,0,0,.3);animation:modalSlideIn-0132e852 .3s ease-out}@keyframes modalSlideIn-0132e852{0%{opacity:0;transform:translateY(-50px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.close-btn[data-v-0132e852]{position:absolute;top:15px;right:20px;font-size:1.8rem;cursor:pointer;color:#999;background:none;border:none;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .3s}.close-btn[data-v-0132e852]:hover{background:#f5f5f5;color:#ff6b6b}.form-group[data-v-0132e852]{margin-bottom:20px}.form-label[data-v-0132e852]{display:block;margin-bottom:8px;font-weight:600;color:#333}.form-input[data-v-0132e852]{width:100%;padding:12px 15px;border:2px solid #e1e8ed;border-radius:10px;font-size:1rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-0132e852]:focus{border-color:#fa709a}.form-textarea[data-v-0132e852]{resize:vertical;min-height:80px;font-family:inherit}.btn[data-v-0132e852]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;border:none;padding:12px 30px;border-radius:10px;cursor:pointer;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s;min-width:120px}.btn[data-v-0132e852]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.3)}.btn-secondary[data-v-0132e852]{background:#f8f9fa;color:#666;border:2px solid #e0e0e0}.btn-secondary[data-v-0132e852]:hover{background:#f1f3f4;color:#fa709a;border-color:#fa709a}.btn.disabled[data-v-0132e852]{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}.upload-area[data-v-0132e852]{border:2px dashed #e1e8ed;border-radius:10px;padding:40px;text-align:center;cursor:pointer;transition:all .3s;margin-bottom:20px}.upload-area[data-v-0132e852]:hover{border-color:#fa709a;background:#fff5f8}.upload-area.has-files[data-v-0132e852]{border-style:solid;border-color:#43e97b;background:#f8fff8}.upload-placeholder .upload-icon[data-v-0132e852]{font-size:3rem;margin-bottom:15px}.upload-text[data-v-0132e852]{font-weight:600;margin-bottom:8px;color:#333}.upload-hint[data-v-0132e852]{color:#666;font-size:.9rem}.upload-preview[data-v-0132e852]{text-align:left}.preview-grid[data-v-0132e852]{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px}.preview-item[data-v-0132e852]{position:relative;border:1px solid #e1e8ed;border-radius:8px;overflow:hidden;background:#fff;transition:transform .3s}.preview-item[data-v-0132e852]:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.preview-image[data-v-0132e852]{width:100%;height:100px;-o-object-fit:cover;object-fit:cover}.preview-info[data-v-0132e852]{padding:8px}.file-name[data-v-0132e852]{font-size:.8rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size[data-v-0132e852]{font-size:.7rem;color:#666}.remove-btn[data-v-0132e852]{position:absolute;top:5px;right:5px;background:#ff6b6b;color:#fff;border:none;border-radius:50%;width:24px;height:24px;cursor:pointer;font-size:.8rem;transition:background-color .3s}.remove-btn[data-v-0132e852]:hover{background:#ff5252}.upload-stats[data-v-0132e852]{display:flex;gap:20px;justify-content:center;margin:15px 0;padding:10px;background:#f8f9fa;border-radius:8px}.stat-item[data-v-0132e852]{display:flex;gap:8px}.stat-label[data-v-0132e852]{color:#666}.stat-value[data-v-0132e852]{font-weight:600;color:#333}.camera-section[data-v-0132e852]{margin:20px 0;padding:20px;border:1px solid #e1e8ed;border-radius:10px;background:#f8f9fa}.camera-preview[data-v-0132e852]{width:100%;height:200px;background:#333;border-radius:8px;margin-bottom:15px;display:flex;align-items:center;justify-content:center}.camera-placeholder[data-v-0132e852]{text-align:center;color:#fff}.camera-icon[data-v-0132e852]{font-size:3rem;margin-bottom:10px}.camera-text[data-v-0132e852]{font-size:.9rem;opacity:.8}.camera-controls[data-v-0132e852]{display:flex;gap:10px;justify-content:center}.camera-toggle[data-v-0132e852]{text-align:center;margin:15px 0}@media (max-width:768px){.modal-content[data-v-0132e852]{padding:20px;margin:20px;width:calc(100% - 40px)}.upload-area[data-v-0132e852]{padding:20px}.preview-grid[data-v-0132e852]{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.camera-controls[data-v-0132e852]{flex-direction:column}.btn[data-v-0132e852]{min-width:auto;width:100%;margin-bottom:10px}.btn+.btn[data-v-0132e852]{margin-left:0}}.modal[data-v-1916cda0]{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;display:flex;justify-content:center;align-items:center;padding:20px}.file-upload-modal[data-v-1916cda0]{background:#fff;border-radius:20px;padding:30px;max-width:800px;width:100%;max-height:90vh;overflow:hidden;position:relative;box-shadow:0 10px 30px rgba(0,0,0,.3);display:flex;flex-direction:column;animation:modalSlideIn-1916cda0 .3s ease-out}@keyframes modalSlideIn-1916cda0{0%{opacity:0;transform:translateY(-50px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.close-btn[data-v-1916cda0]{position:absolute;top:15px;right:20px;font-size:1.8rem;cursor:pointer;color:#999;background:none;border:none;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .3s;z-index:10}.close-btn[data-v-1916cda0]:hover{background:#f5f5f5;color:#ff6b6b}.modal-title[data-v-1916cda0]{margin:0 0 25px 0;font-size:1.5rem;color:#333;font-weight:600}.tab-container[data-v-1916cda0]{flex:1;display:flex;flex-direction:column;overflow:hidden}.tab-header[data-v-1916cda0]{display:flex;border-bottom:2px solid #e1e8ed;margin-bottom:20px;padding:0 5px}.tab-btn[data-v-1916cda0]{padding:12px 24px;background:none;border:none;cursor:pointer;font-size:1rem;font-weight:600;color:#666;position:relative;display:flex;align-items:center;gap:8px;transition:all .3s;border-bottom:2px solid transparent;margin-bottom:-2px}.tab-btn[data-v-1916cda0]:hover{color:#fa709a}.tab-btn.active[data-v-1916cda0]{color:#fa709a;border-bottom-color:#fa709a}.tab-badge[data-v-1916cda0]{background:#fa709a;color:#fff;border-radius:10px;padding:2px 8px;font-size:.8rem;min-width:20px;display:flex;align-items:center;justify-content:center}.tab-content[data-v-1916cda0]{flex:1;overflow:hidden;position:relative}.attachment-list-tab[data-v-1916cda0]{height:100%;display:flex;flex-direction:column;overflow:hidden}.loading-state[data-v-1916cda0]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#666;gap:15px}.loading-state .spinner[data-v-1916cda0]{width:30px;height:30px;border:3px solid #e1e8ed;border-top:3px solid #fa709a;border-radius:50%;animation:spin-1916cda0 1s linear infinite}.empty-state[data-v-1916cda0]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;color:#999}.empty-icon[data-v-1916cda0]{font-size:3.5rem;margin-bottom:15px;opacity:.5}.empty-text[data-v-1916cda0]{font-size:1.2rem;margin-bottom:8px;font-weight:600}.empty-hint[data-v-1916cda0]{font-size:.9rem}.attachment-list[data-v-1916cda0]{display:flex;flex-direction:column;height:100%;overflow:hidden}.list-header[data-v-1916cda0]{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #e1e8ed}.list-title[data-v-1916cda0]{font-size:1.1rem;font-weight:600;color:#333}.list-actions[data-v-1916cda0]{display:flex;gap:10px}.action-btn[data-v-1916cda0]{padding:8px 16px;background:#f8f9fa;border:1px solid #e1e8ed;border-radius:6px;cursor:pointer;font-size:.9rem;color:#666;transition:all .3s;display:flex;align-items:center;gap:5px}.action-btn[data-v-1916cda0]:hover:not(:disabled){background:#e9ecef;color:#333}.action-btn[data-v-1916cda0]:disabled{opacity:.5;cursor:not-allowed}.action-btn.danger[data-v-1916cda0]{color:#ff6b6b;border-color:#ff6b6b}.action-btn.danger[data-v-1916cda0]:hover:not(:disabled){background:#ff6b6b;color:#fff}.attachment-items[data-v-1916cda0]{flex:1;overflow-y:auto;padding-right:5px;margin-bottom:20px}.attachment-item[data-v-1916cda0]:hover{border-color:#fa709a;background:#fff5f8;transform:translateX(4px)}.attachment-item.selected[data-v-1916cda0]{border-color:#fa709a;background:#fff5f8;box-shadow:0 0 0 2px rgba(250,112,154,.1)}.attachment-icon[data-v-1916cda0]{font-size:1.8rem;width:50px;height:50px;display:flex;align-items:center;justify-content:center;border-radius:10px;flex-shrink:0}.attachment-icon.pdf[data-v-1916cda0]{background:#ffebee;color:#f44336}.attachment-icon.word[data-v-1916cda0]{background:#e3f2fd;color:#2196f3}.attachment-icon.excel[data-v-1916cda0]{background:#e8f5e8;color:#4caf50}.attachment-icon.powerpoint[data-v-1916cda0]{background:#fce4ec;color:#e91e63}.attachment-icon.text[data-v-1916cda0]{background:#f5f5f5;color:#757575}.attachment-icon.archive[data-v-1916cda0]{background:#fff3e0;color:#ff9800}.attachment-icon.image[data-v-1916cda0]{background:#f3e5f5;color:#9c27b0}.attachment-icon.default[data-v-1916cda0]{background:#f5f5f5;color:#9e9e9e}.attachment-details[data-v-1916cda0]{flex:1;min-width:0}.attachment-name[data-v-1916cda0]{font-weight:600;color:#333;margin-bottom:5px;display:flex;align-items:center;gap:8px}.new-badge[data-v-1916cda0]{background:#43e97b;color:#fff;font-size:.7rem;padding:1px 6px;border-radius:4px}.attachment-meta[data-v-1916cda0]{display:flex;gap:15px;font-size:.85rem;color:#666;margin-bottom:5px;flex-wrap:wrap}.attachment-description[data-v-1916cda0]{font-size:.85rem;color:#888;font-style:italic;max-height:40px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.attachment-actions[data-v-1916cda0]{display:flex;gap:5px;flex-shrink:0}.icon-btn[data-v-1916cda0]{background:none;border:none;cursor:pointer;font-size:1.1rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .3s;color:#666}.icon-btn[data-v-1916cda0]:hover{background:#f8f9fa;color:#333}.icon-btn.danger[data-v-1916cda0]{color:#ff6b6b}.icon-btn.danger[data-v-1916cda0]:hover{background:#ffebee;color:#d32f2f}.icon-btn[data-v-1916cda0]:disabled{opacity:.5;cursor:not-allowed}.attachment-detail[data-v-1916cda0]{margin-top:20px}.detail-header[data-v-1916cda0]{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #e1e8ed}.detail-header h4[data-v-1916cda0]{margin:0;color:#333}.close-detail[data-v-1916cda0]{background:none;border:none;cursor:pointer;font-size:1.5rem;color:#999;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .3s}.close-detail[data-v-1916cda0]:hover{background:#e0e0e0;color:#666}.detail-content[data-v-1916cda0]{display:flex;flex-direction:column;gap:10px}.detail-row[data-v-1916cda0]{display:flex}.detail-label[data-v-1916cda0]{width:80px;font-weight:600;color:#666;font-size:.9rem;flex-shrink:0}.detail-value[data-v-1916cda0]{flex:1;color:#333}.detail-actions[data-v-1916cda0]{display:flex;gap:10px;margin-top:15px;padding-top:15px;border-top:1px solid #e1e8ed}.upload-tab[data-v-1916cda0]{height:100%;display:flex;flex-direction:column}.upload-area[data-v-1916cda0]{border:2px dashed #e1e8ed;border-radius:10px;padding:40px;text-align:center;cursor:pointer;transition:all .3s;margin-bottom:20px;flex-shrink:0}.upload-area[data-v-1916cda0]:hover{border-color:#fa709a;background:#fff5f8}.upload-area.has-files[data-v-1916cda0]{border-style:solid;border-color:#43e97b;background:#f8fff8}.upload-area.dragover[data-v-1916cda0]{border-color:#fa709a;background:#fff5f8;transform:scale(1.02)}.upload-placeholder .upload-icon[data-v-1916cda0]{font-size:3rem;margin-bottom:15px}.upload-text[data-v-1916cda0]{font-weight:600;margin-bottom:8px;color:#333}.upload-hint[data-v-1916cda0]{color:#666;font-size:.9rem}.upload-preview[data-v-1916cda0]{text-align:left}.preview-grid[data-v-1916cda0]{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px}.preview-item[data-v-1916cda0]{position:relative;border:1px solid #e1e8ed;border-radius:8px;overflow:hidden;background:#fff;transition:transform .3s;padding:12px;display:flex;align-items:center;gap:12px}.preview-item[data-v-1916cda0]:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.file-icon[data-v-1916cda0]{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px;flex-shrink:0}.file-icon.pdf[data-v-1916cda0]{background:#ffebee;color:#f44336}.file-icon.word[data-v-1916cda0]{background:#e3f2fd;color:#2196f3}.file-icon.excel[data-v-1916cda0]{background:#e8f5e8;color:#4caf50}.file-icon.powerpoint[data-v-1916cda0]{background:#fce4ec;color:#e91e63}.file-icon.text[data-v-1916cda0]{background:#f5f5f5;color:#757575}.file-icon.archive[data-v-1916cda0]{background:#fff3e0;color:#ff9800}.file-icon.default[data-v-1916cda0]{background:#f5f5f5;color:#9e9e9e}.preview-info[data-v-1916cda0]{flex:1;min-width:0}.file-name[data-v-1916cda0]{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.file-size[data-v-1916cda0]{font-size:.75rem;color:#666;margin-bottom:2px}.file-type[data-v-1916cda0]{font-size:.7rem;color:#999}.remove-btn[data-v-1916cda0]{position:absolute;top:5px;right:5px;background:#ff6b6b;color:#fff;border:none;border-radius:50%;width:24px;height:24px;cursor:pointer;font-size:.8rem;transition:background-color .3s;flex-shrink:0}.remove-btn[data-v-1916cda0]:hover{background:#ff5252}.form-group[data-v-1916cda0]{margin-bottom:20px}.form-label[data-v-1916cda0]{display:block;margin-bottom:8px;font-weight:600;color:#333}.form-input[data-v-1916cda0]{width:100%;padding:12px 15px;border:2px solid #e1e8ed;border-radius:10px;font-size:1rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-1916cda0]:focus{border-color:#fa709a}.form-textarea[data-v-1916cda0]{resize:vertical;min-height:80px;font-family:inherit}.upload-stats[data-v-1916cda0]{display:flex;gap:20px;justify-content:center;margin:15px 0;padding:10px;background:#f8f9fa;border-radius:8px;flex-wrap:wrap}.stat-item[data-v-1916cda0]{display:flex;gap:8px}.stat-label[data-v-1916cda0]{color:#666;font-size:.9rem}.stat-value[data-v-1916cda0]{font-weight:600;color:#333;font-size:.9rem}.current-file[data-v-1916cda0]{margin:10px 0;font-size:.9rem;color:#666;text-align:center;background:#f0f0f0;padding:5px 10px;border-radius:4px;margin-bottom:15px;font-weight:500}.processing-section[data-v-1916cda0]{margin-top:20px;padding:20px;border:1px solid #e1e8ed;border-radius:10px;background:#f8f9fa;text-align:center}.processing-indicator[data-v-1916cda0]{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:15px}.spinner[data-v-1916cda0]{width:20px;height:20px;border:2px solid #e1e8ed;border-top:2px solid #fa709a;border-radius:50%;animation:spin-1916cda0 1s linear infinite}@keyframes spin-1916cda0{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.processing-text[data-v-1916cda0]{color:#666;font-weight:500}.progress-bar[data-v-1916cda0]{width:100%;height:6px;background:#e1e8ed;border-radius:3px;overflow:hidden;margin-bottom:8px}.progress[data-v-1916cda0]{height:100%;background:linear-gradient(135deg,#fa709a,#fee140);transition:width .3s ease}.progress-text[data-v-1916cda0]{font-size:.85rem;color:#666;font-weight:600}.modal-actions[data-v-1916cda0]{display:flex;justify-content:center;gap:15px;margin-top:30px;padding-top:20px;border-top:1px solid #e1e8ed;flex-shrink:0}.btn[data-v-1916cda0]{padding:12px 30px;border:none;border-radius:10px;cursor:pointer;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s;min-width:120px;display:flex;align-items:center;justify-content:center;gap:8px}.btn.primary[data-v-1916cda0]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff}.btn.primary[data-v-1916cda0]:hover:not(.disabled){transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.3)}.btn.secondary[data-v-1916cda0]{background:#f8f9fa;color:#666;border:2px solid #e0e0e0}.btn.secondary[data-v-1916cda0]:hover{background:#f1f3f4;color:#fa709a;border-color:#fa709a}.btn.disabled[data-v-1916cda0]{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}@media (max-width:768px){.file-upload-modal[data-v-1916cda0]{padding:20px;margin:20px;width:calc(100% - 40px);max-height:85vh}.tab-header[data-v-1916cda0]{flex-direction:column}.tab-btn[data-v-1916cda0]{width:100%;justify-content:center}.upload-area[data-v-1916cda0]{padding:20px}.preview-grid[data-v-1916cda0]{grid-template-columns:1fr}.modal-actions[data-v-1916cda0],.upload-stats[data-v-1916cda0]{flex-direction:column;gap:10px}.btn[data-v-1916cda0]{width:100%;min-width:auto}.attachment-item[data-v-1916cda0]{flex-direction:column;align-items:flex-start;gap:10px}.attachment-actions[data-v-1916cda0]{align-self:flex-end}}.attachment-container[data-v-1916cda0]{display:flex;height:100%;gap:20px;overflow:hidden}.attachment-list-wrapper[data-v-1916cda0]{flex:1;display:flex;flex-direction:column;min-width:0;min-height:300px}.attachment-scrollable[data-v-1916cda0]{flex:1;overflow-y:auto;overflow-x:hidden;padding-right:8px;margin-bottom:0;border:1px solid #e1e8ed;border-radius:10px;padding:15px;background:#f8f9fa;max-height:400px}.attachment-detail-wrapper[data-v-1916cda0]{flex:0 0 300px;display:flex;flex-direction:column}.attachment-detail[data-v-1916cda0]{border:1px solid #e1e8ed;border-radius:10px;padding:20px;background:#f8f9fa;height:100%;display:flex;flex-direction:column}.detail-content[data-v-1916cda0]{flex:1;overflow-y:auto;padding-right:5px}.no-selection-prompt[data-v-1916cda0]{flex:0 0 300px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed #e1e8ed;border-radius:10px;padding:40px 20px;background:#f8f9fa;color:#999;text-align:center}.prompt-icon[data-v-1916cda0]{font-size:2.5rem;margin-bottom:15px;opacity:.6}.prompt-text[data-v-1916cda0]{font-size:1.1rem;font-weight:600;margin-bottom:8px;color:#666}.prompt-hint[data-v-1916cda0]{font-size:.9rem;color:#999}.attachment-item[data-v-1916cda0]{display:flex;align-items:center;padding:12px 15px;border:1px solid #e1e8ed;border-radius:10px;margin-bottom:10px;cursor:pointer;transition:all .3s;gap:15px;background:#fff;min-height:70px}@media (max-width:768px){.attachment-container[data-v-1916cda0]{flex-direction:column;gap:15px}.attachment-detail-wrapper[data-v-1916cda0],.attachment-list-wrapper[data-v-1916cda0],.no-selection-prompt[data-v-1916cda0]{flex:0 0 auto;width:100%}.attachment-scrollable[data-v-1916cda0]{max-height:300px}.attachment-detail[data-v-1916cda0]{min-height:200px}}.attachment-scrollable[data-v-1916cda0]::-webkit-scrollbar{width:6px}.attachment-scrollable[data-v-1916cda0]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.attachment-scrollable[data-v-1916cda0]::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:10px}.attachment-scrollable[data-v-1916cda0]::-webkit-scrollbar-thumb:hover{background:#a1a1a1}.detail-content[data-v-1916cda0]::-webkit-scrollbar{width:4px}.detail-content[data-v-1916cda0]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.detail-content[data-v-1916cda0]::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:10px}.form-select-wrapper[data-v-1916cda0]{position:relative;width:100%}.form-select[data-v-1916cda0]{width:100%;padding:12px 15px;border:2px solid #e1e8ed;border-radius:10px;font-size:1rem;outline:none;transition:border-color .3s;box-sizing:border-box;background-color:#fff;appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;color:#333}.form-select[data-v-1916cda0]:focus{border-color:#fa709a}.select-arrow[data-v-1916cda0]{position:absolute;right:15px;top:50%;transform:translateY(-50%);pointer-events:none;color:#666;font-size:.8rem}.form-select option[data-v-1916cda0]{padding:8px 12px;color:#333}.form-select option[data-v-1916cda0]:disabled{color:#999}.form-select option[data-v-1916cda0]:checked{background-color:#fff5f8;color:#fa709a}@media (max-width:768px){.form-select[data-v-1916cda0]{padding:10px 12px;font-size:.95rem}.select-arrow[data-v-1916cda0]{right:12px}}.modal-overlay[data-v-14906fca]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-container[data-v-14906fca]{background:#fff;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.2);width:100%;max-width:700px;max-height:90vh;display:flex;flex-direction:column}.modal-header[data-v-14906fca]{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #e1e8ed}.modal-header h2[data-v-14906fca]{margin:0;font-size:1.4rem;color:#1a1a1a;font-weight:600}.close-btn[data-v-14906fca]{background:none;border:none;font-size:1.8rem;cursor:pointer;color:#666;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px}.close-btn[data-v-14906fca]:hover{background:#f5f5f5;color:#333}.modal-body[data-v-14906fca]{flex:1;overflow-y:auto;padding:24px}.modal-footer[data-v-14906fca]{display:flex;justify-content:flex-end;gap:12px;padding:20px 24px;border-top:1px solid #e1e8ed;background:#f8f9fa;border-radius:0 0 12px 12px}.form-section[data-v-14906fca]{margin-bottom:24px}.section-label[data-v-14906fca]{display:block;margin-bottom:8px;font-weight:600;color:#333;font-size:.95rem}.type-grid[data-v-14906fca]{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.type-card[data-v-14906fca]{border:2px solid #e1e8ed;border-radius:10px;padding:16px 12px;text-align:center;cursor:pointer;transition:all .3s ease;background:#fff}.type-card[data-v-14906fca]:hover{border-color:#fa709a;transform:translateY(-2px)}.type-card.active[data-v-14906fca]{border-color:#fa709a;background:linear-gradient(135deg,#fff5f8,#fff0f3);box-shadow:0 4px 12px rgba(250,112,154,.2)}.type-icon[data-v-14906fca]{font-size:1.8rem;margin-bottom:8px}.type-name[data-v-14906fca]{font-weight:600;font-size:.9rem;color:#333}.content-input[data-v-14906fca],.number-input[data-v-14906fca],.select-input[data-v-14906fca],.text-input[data-v-14906fca]{width:100%;padding:12px 16px;border:2px solid #e1e8ed;border-radius:8px;font-size:.95rem;transition:border-color .3s ease;box-sizing:border-box}.content-input[data-v-14906fca]:focus,.number-input[data-v-14906fca]:focus,.select-input[data-v-14906fca]:focus,.text-input[data-v-14906fca]:focus{outline:none;border-color:#fa709a}.content-input[data-v-14906fca]{resize:vertical;min-height:80px;line-height:1.5}.section-header[data-v-14906fca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.add-btn[data-v-14906fca]{background:#f8f9fa;border:2px solid #e1e8ed;border-radius:6px;padding:6px 12px;font-size:.85rem;cursor:pointer;color:#666;transition:all .3s ease}.add-btn[data-v-14906fca]:hover:not(:disabled){border-color:#fa709a;color:#fa709a}.add-btn[data-v-14906fca]:disabled{opacity:.5;cursor:not-allowed}.options-container[data-v-14906fca]{display:flex;flex-direction:column;gap:12px}.option-row[data-v-14906fca]{display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid #e1e8ed;border-radius:8px;background:#f8f9fa}.option-label[data-v-14906fca]{font-weight:600;color:#333;min-width:24px;padding-top:4px}.option-input[data-v-14906fca]{flex:1;padding:12px;border:1px solid #ddd;border-radius:6px;resize:vertical;min-height:60px;font-size:.95rem;background:#fff}.option-input[data-v-14906fca]:focus{outline:none;border-color:#fa709a}.option-actions[data-v-14906fca]{display:flex;flex-direction:column;gap:8px;min-width:120px}.correct-checkbox[data-v-14906fca]{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:.85rem}.checkbox-label[data-v-14906fca]{color:#333}.remove-btn[data-v-14906fca]{background:#ff6b6b;color:#fff;border:none;border-radius:4px;padding:6px 12px;font-size:.8rem;cursor:pointer;transition:background .3s ease}.remove-btn[data-v-14906fca]:hover:not(:disabled){background:#ff5252}.remove-btn[data-v-14906fca]:disabled{opacity:.5;cursor:not-allowed}.judge-options[data-v-14906fca]{display:flex;gap:16px}.judge-option[data-v-14906fca]{display:flex;align-items:center;gap:8px;cursor:pointer;padding:12px 16px;border:2px solid #e1e8ed;border-radius:8px;transition:all .3s ease;background:#fff}.judge-option[data-v-14906fca]:hover{border-color:#fa709a}.judge-label[data-v-14906fca]{font-weight:600;color:#333}.input-hint[data-v-14906fca]{font-size:.8rem;color:#666;margin-top:6px}.settings-grid[data-v-14906fca]{display:grid;grid-template-columns:1fr 1fr;gap:16px}.setting-item[data-v-14906fca]{display:flex;flex-direction:column}.ai-section[data-v-14906fca]{background:linear-gradient(135deg,#f0f8ff,#f5f0ff);padding:20px;border-radius:10px;margin-top:24px}.ai-header[data-v-14906fca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.ai-header h4[data-v-14906fca]{margin:0;color:#333;font-size:1.1rem}.ai-btn[data-v-14906fca]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:6px;padding:8px 16px;font-size:.9rem;cursor:pointer;transition:transform .3s ease}.ai-btn[data-v-14906fca]:hover:not(:disabled){transform:translateY(-1px)}.ai-btn[data-v-14906fca]:disabled{opacity:.6;cursor:not-allowed}.btn[data-v-14906fca]{padding:10px 20px;border:2px solid #e1e8ed;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;background:#fff;color:#333}.btn.primary[data-v-14906fca]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border:none}.btn.primary[data-v-14906fca]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px rgba(250,112,154,.3)}.btn.secondary[data-v-14906fca]{background:#fff;color:#666;border:2px solid #e1e8ed}.btn.secondary[data-v-14906fca]:hover{border-color:#fa709a;color:#fa709a}.btn[data-v-14906fca]:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.form-validation[data-v-14906fca]{margin-top:16px;text-align:center}.validation-message[data-v-14906fca]{color:#ff6b6b;font-weight:600;font-size:.9rem}.modal-body[data-v-14906fca]::-webkit-scrollbar{width:6px}.modal-body[data-v-14906fca]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.modal-body[data-v-14906fca]::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.modal-body[data-v-14906fca]::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.modal[data-v-02051393]{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content[data-v-02051393]{background:#fff;border-radius:15px;padding:20px;position:relative;box-shadow:0 10px 30px rgba(0,0,0,.3);max-width:700px;width:90%;max-height:90vh;overflow-y:auto}.modal-header[data-v-02051393]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title[data-v-02051393]{margin:0;color:#333;font-size:1.3rem;font-weight:600}.close-btn[data-v-02051393]{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#999;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.close-btn[data-v-02051393]:hover{background:#f5f5f5;color:#666}.homework-header-gradient[data-v-02051393]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;padding:20px;border-radius:15px;margin-bottom:20px}.homework-title[data-v-02051393]{font-size:1.3rem;font-weight:600;margin-bottom:8px}.homework-subject[data-v-02051393]{opacity:.9;margin-bottom:10px;font-size:1.1rem}.homework-meta[data-v-02051393]{display:flex;gap:20px;font-size:.9rem;opacity:.9;flex-wrap:wrap}.homework-description-section[data-v-02051393]{margin-bottom:20px}.section-label[data-v-02051393]{font-weight:600;margin-bottom:10px;color:#333;font-size:1rem}.homework-description[data-v-02051393]{color:#666;line-height:1.6;background:#f8f9fa;padding:15px;border-radius:10px;font-size:.95rem}.submission-stats-section[data-v-02051393]{margin-bottom:20px}.stats-grid[data-v-02051393]{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px}.stat-card[data-v-02051393]{padding:15px;border-radius:10px;text-align:center;transition:transform .3s ease}.stat-card[data-v-02051393]:hover{transform:translateY(-2px)}.stat-card.submitted[data-v-02051393]{background:#e3f2fd}.stat-card.graded[data-v-02051393]{background:#e8f5e8}.stat-card.not-submitted[data-v-02051393]{background:#fff3cd}.stat-card.average-score[data-v-02051393]{background:#f3e5f5}.stat-number[data-v-02051393]{font-size:1.5rem;font-weight:600;margin-bottom:5px}.stat-card.submitted .stat-number[data-v-02051393]{color:#1976d2}.stat-card.graded .stat-number[data-v-02051393]{color:#2e7d32}.stat-card.not-submitted .stat-number[data-v-02051393]{color:#856404}.stat-card.average-score .stat-number[data-v-02051393]{color:#7b1fa2}.stat-label[data-v-02051393]{font-size:.9rem;font-weight:500}.stat-card.submitted .stat-label[data-v-02051393]{color:#1976d2}.stat-card.graded .stat-label[data-v-02051393]{color:#2e7d32}.stat-card.not-submitted .stat-label[data-v-02051393]{color:#856404}.stat-card.average-score .stat-label[data-v-02051393]{color:#7b1fa2}.homework-actions[data-v-02051393]{display:flex;gap:10px;justify-content:center}.homework-btn[data-v-02051393]{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .3s ease;min-width:120px}.homework-btn.primary[data-v-02051393]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3)}.homework-btn.secondary[data-v-02051393]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.primary[data-v-02051393]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,126,95,.4)}.homework-btn.secondary[data-v-02051393]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px)}.homework-btn[data-v-02051393]:active{transform:translateY(0)}@media (max-width:768px){.modal-content[data-v-02051393]{width:95%;margin:10px;padding:15px}.homework-meta[data-v-02051393]{flex-direction:column;gap:10px}.stats-grid[data-v-02051393]{grid-template-columns:repeat(2,1fr)}.homework-actions[data-v-02051393]{flex-direction:column}.homework-btn[data-v-02051393]{width:100%}}@media (max-width:480px){.stats-grid[data-v-02051393]{grid-template-columns:1fr}.homework-title[data-v-02051393],.modal-title[data-v-02051393]{font-size:1.1rem}}.modal[data-v-17ed44b2]{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content[data-v-17ed44b2]{background:#fff;border-radius:15px;padding:20px;position:relative;box-shadow:0 10px 30px rgba(0,0,0,.3);max-width:600px;width:90%;max-height:90vh;overflow-y:auto}.modal-header[data-v-17ed44b2]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title[data-v-17ed44b2]{margin:0;color:#333;font-size:1.3rem;font-weight:600}.close-btn[data-v-17ed44b2]{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#999;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.close-btn[data-v-17ed44b2]:hover{background:#f5f5f5;color:#666}.submission-header-gradient[data-v-17ed44b2]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;border-radius:15px;margin-bottom:20px}.submission-title[data-v-17ed44b2]{font-size:1.3rem;font-weight:600;margin-bottom:8px}.submission-subject[data-v-17ed44b2]{opacity:.9;margin-bottom:10px;font-size:1rem}.submission-meta[data-v-17ed44b2]{display:flex;gap:20px;font-size:.9rem;opacity:.9;flex-wrap:wrap}.detail-section[data-v-17ed44b2]{margin-bottom:20px}.section-label[data-v-17ed44b2]{font-weight:600;margin-bottom:10px;color:#333;font-size:1rem}.description-content[data-v-17ed44b2]{color:#666;line-height:1.6;background:#f8f9fa;padding:15px;border-radius:10px}.student-note[data-v-17ed44b2]{color:#666;line-height:1.6;background:#e3f2fd;padding:15px;border-radius:10px;border-left:4px solid #2196f3}.files-list[data-v-17ed44b2]{display:flex;flex-direction:column;gap:8px}.file-item[data-v-17ed44b2]{display:flex;align-items:center;justify-content:space-between;background:#fff;padding:12px;border:1px solid #e1e8ed;border-radius:8px;transition:all .3s ease}.file-item[data-v-17ed44b2]:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,.1)}.file-info[data-v-17ed44b2]{display:flex;align-items:center;gap:10px}.file-icon[data-v-17ed44b2]{font-size:1.2rem}.file-name[data-v-17ed44b2]{color:#333;font-weight:500}.preview-btn[data-v-17ed44b2]{background:#4facfe;color:#fff;border:none;padding:4px 8px;border-radius:4px;cursor:pointer;font-size:.8rem;transition:background .3s ease}.preview-btn[data-v-17ed44b2]:hover{background:#3a9bf5}.tip-box[data-v-17ed44b2]{background:#fff3cd;padding:15px;border-radius:10px;margin-bottom:20px}.tip-content[data-v-17ed44b2]{color:#856404;font-size:.9rem;line-height:1.5}.action-buttons[data-v-17ed44b2]{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.homework-btn[data-v-17ed44b2]{padding:12px 20px;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease;min-width:120px}.homework-btn.primary[data-v-17ed44b2]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3)}.homework-btn.secondary[data-v-17ed44b2]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.success[data-v-17ed44b2]{background:#43e97b;color:#fff;border:none;box-shadow:0 4px 15px rgba(67,233,123,.3)}.homework-btn.warning[data-v-17ed44b2]{background:#ff6b6b;color:#fff;border:none;box-shadow:0 4px 15px hsla(0,100%,71%,.3)}.homework-btn.primary[data-v-17ed44b2]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,126,95,.4)}.homework-btn.secondary[data-v-17ed44b2]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px)}.homework-btn.success[data-v-17ed44b2]:hover{background:#2ed573;transform:translateY(-2px);box-shadow:0 6px 20px rgba(67,233,123,.4)}.homework-btn.warning[data-v-17ed44b2]:hover{background:#ff5252;transform:translateY(-2px);box-shadow:0 6px 20px hsla(0,100%,71%,.4)}.homework-btn[data-v-17ed44b2]:active{transform:translateY(0)}@media (max-width:768px){.modal-content[data-v-17ed44b2]{width:95%;margin:10px;padding:15px}.submission-meta[data-v-17ed44b2]{flex-direction:column;gap:10px}.action-buttons[data-v-17ed44b2]{flex-direction:column}.homework-btn[data-v-17ed44b2]{width:100%}}@media (max-width:480px){.file-item[data-v-17ed44b2]{flex-direction:column;gap:10px;align-items:flex-start}.preview-btn[data-v-17ed44b2]{align-self:flex-end}}.modal-overlay[data-v-455a08cc]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn-455a08cc .3s ease}.modal-content[data-v-455a08cc]{background:#fff;border-radius:12px;width:90%;max-width:900px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 10px 30px rgba(0,0,0,.3);animation:slideUp-455a08cc .3s ease;overflow:hidden}.modal-header[data-v-455a08cc]{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid #e8e8e8;background:#fafafa}.modal-header h3[data-v-455a08cc]{margin:0;font-size:1.3rem;font-weight:600;color:#1a1a1a}.close-btn[data-v-455a08cc]{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:4px 8px;border-radius:4px;color:#666;transition:all .2s ease}.close-btn[data-v-455a08cc]:hover{background:#f0f0f0;color:#ff4757}.question-bank-content[data-v-455a08cc]{display:flex;flex:1;overflow:hidden;height:400px}.question-categories[data-v-455a08cc]{width:200px;border-right:1px solid #e8e8e8;background:#f8f9fa;padding:16px 0}.category-tabs[data-v-455a08cc]{display:flex;flex-direction:column}.category-tab[data-v-455a08cc]{padding:12px 20px;cursor:pointer;border-left:3px solid transparent;transition:all .2s ease;color:#666;font-weight:500}.category-tab[data-v-455a08cc]:hover{background:#e9ecef;color:#fa709a}.category-tab.active[data-v-455a08cc]{background:#fff;border-left-color:#fa709a;color:#fa709a;font-weight:600;box-shadow:inset 0 0 0 1px #e8e8e8}.question-list[data-v-455a08cc]{flex:1;overflow-y:auto;padding:16px;background:#fff}.question-item[data-v-455a08cc]{padding:16px;border:1px solid #e8e8e8;border-radius:8px;margin-bottom:12px;cursor:pointer;transition:all .2s ease;background:#fff}.question-item[data-v-455a08cc]:hover{border-color:#fa709a;box-shadow:0 2px 8px rgba(250,112,154,.1);transform:translateY(-1px)}.question-item.selected[data-v-455a08cc]{border-color:#fa709a;background:linear-gradient(135deg,#fff5f7,#fff0f3);box-shadow:0 2px 8px rgba(250,112,154,.2)}.question-content[data-v-455a08cc]{font-size:1rem;font-weight:500;color:#1a1a1a;margin-bottom:8px;line-height:1.4}.question-meta[data-v-455a08cc]{font-size:.85rem;color:#666}.selected-questions[data-v-455a08cc]{width:300px;border-left:1px solid #e8e8e8;background:#f8f9fa;display:flex;flex-direction:column}.selected-questions h4[data-v-455a08cc]{margin:0;padding:16px 20px;background:#fff;border-bottom:1px solid #e8e8e8;font-size:1rem;font-weight:600;color:#1a1a1a}.selected-list[data-v-455a08cc]{flex:1;overflow-y:auto;padding:16px}.selected-item[data-v-455a08cc]{display:flex;align-items:center;justify-content:space-between;padding:12px;background:#fff;border:1px solid #e8e8e8;border-radius:6px;margin-bottom:8px;font-size:.9rem;line-height:1.3}.selected-item .remove-btn[data-v-455a08cc]{background:#ff4757;color:#fff;border:none;border-radius:50%;width:20px;height:20px;cursor:pointer;font-size:.8rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-left:8px;transition:all .2s ease}.selected-item .remove-btn[data-v-455a08cc]:hover{background:#ff3742;transform:scale(1.1)}.modal-actions[data-v-455a08cc]{display:flex;justify-content:flex-end;gap:12px;padding:20px 24px;border-top:1px solid #e8e8e8;background:#fff}.btn[data-v-455a08cc]{padding:10px 24px;border:none;border-radius:8px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .2s ease;min-width:80px}.btn.primary[data-v-455a08cc]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;box-shadow:0 2px 8px rgba(250,112,154,.3)}.btn.primary[data-v-455a08cc]:hover{background:linear-gradient(135deg,#ff6b4a,#fea766);transform:translateY(-1px);box-shadow:0 4px 12px rgba(250,112,154,.4)}.btn.secondary[data-v-455a08cc]{background:#fff;color:#666;border:1px solid #d0d0d0}.btn.secondary[data-v-455a08cc]:hover{background:#f8f9fa;color:#fa709a;border-color:#fa709a}@keyframes fadeIn-455a08cc{0%{opacity:0}to{opacity:1}}@keyframes slideUp-455a08cc{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.question-list[data-v-455a08cc]::-webkit-scrollbar,.selected-list[data-v-455a08cc]::-webkit-scrollbar{width:6px}.question-list[data-v-455a08cc]::-webkit-scrollbar-track,.selected-list[data-v-455a08cc]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.question-list[data-v-455a08cc]::-webkit-scrollbar-thumb,.selected-list[data-v-455a08cc]::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.question-list[data-v-455a08cc]::-webkit-scrollbar-thumb:hover,.selected-list[data-v-455a08cc]::-webkit-scrollbar-thumb:hover{background:#a8a8a8}@media (max-width:768px){.modal-content[data-v-455a08cc]{width:95%;max-height:90vh}.question-bank-content[data-v-455a08cc]{flex-direction:column;height:auto}.question-categories[data-v-455a08cc]{width:100%;border-right:none;border-bottom:1px solid #e8e8e8}.category-tabs[data-v-455a08cc]{flex-direction:row;overflow-x:auto}.category-tab[data-v-455a08cc]{border-left:none;border-bottom:3px solid transparent;white-space:nowrap}.category-tab.active[data-v-455a08cc]{border-left:none;border-bottom-color:#fa709a}.selected-questions[data-v-455a08cc]{width:100%;border-left:none;border-top:1px solid #e8e8e8;max-height:200px}.modal-actions[data-v-455a08cc]{flex-direction:column}.btn[data-v-455a08cc]{width:100%}}.file-preview-overlay[data-v-189ade6e]{position:fixed;top:0;left:0;right:0;bottom:0;background:hsla(0,0%,100%,.98);backdrop-filter:blur(10px);display:flex;justify-content:center;align-items:center;z-index:999999;animation:fadeIn-189ade6e .2s ease;overflow:hidden}.file-preview-modal[data-v-189ade6e]{position:relative;width:90vw;max-width:1200px;height:90vh;max-height:90vh;background:#fff;border-radius:16px;display:flex;flex-direction:column;animation:slideUp-189ade6e .3s ease;box-shadow:0 20px 60px rgba(0,0,0,.15),0 0 0 1px rgba(0,0,0,.08);overflow:hidden;position:fixed;top:5vh;left:50%;transform:translateX(-50%)}.preview-header[data-v-189ade6e]{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:linear-gradient(135deg,#f8fafc,#f1f5f9);color:#334155;border-bottom:1px solid #e2e8f0;flex-shrink:0;-webkit-user-select:none;-moz-user-select:none;user-select:none}.file-info[data-v-189ade6e]{display:flex;align-items:center;gap:16px;max-width:70%}.file-name[data-v-189ade6e]{font-size:16px;font-weight:600;color:#1e293b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-index[data-v-189ade6e]{background:#e2e8f0;color:#475569;padding:4px 12px;border-radius:12px;font-size:14px;font-weight:500}.header-actions[data-v-189ade6e]{display:flex;gap:8px}.header-btn[data-v-189ade6e]{background:#fff;border:1px solid #e2e8f0;color:#64748b;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-size:20px;box-shadow:0 1px 3px rgba(0,0,0,.05);will-change:transform}.header-btn[data-v-189ade6e]:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 4px 6px rgba(0,0,0,.05)}.header-btn .icon[data-v-189ade6e]{font-size:18px;font-weight:500}.close-btn[data-v-189ade6e]{background:#fee2e2;border-color:#fecaca;color:#dc2626}.close-btn[data-v-189ade6e]:hover{background:#fecaca;border-color:#fca5a5}.preview-content[data-v-189ade6e]{flex:1;display:flex;justify-content:center;align-items:center;overflow:auto;position:relative;padding:20px;background:#f8fafc;scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.image-preview[data-v-189ade6e]{border-radius:12px;background:#fff;box-shadow:0 4px 12px rgba(0,0,0,.08)}.image-container[data-v-189ade6e],.image-preview[data-v-189ade6e]{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center;overflow:hidden;will-change:transform}.image-container[data-v-189ade6e]{touch-action:none;transform:translateZ(0)}.image-preview img[data-v-189ade6e]{max-width:none;max-height:none;-o-object-fit:contain;object-fit:contain;transition:transform .2s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;-moz-user-select:none;user-select:none;transform-origin:center center;backface-visibility:hidden;transform:translateZ(0)}.zoom-hint[data-v-189ade6e]{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);background:hsla(0,0%,100%,.95);color:#334155;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:500;pointer-events:none;box-shadow:0 2px 8px rgba(0,0,0,.1);border:1px solid #e2e8f0;z-index:2;will-change:transform;transform:translate3d(-50%,0,0)}.position-hint[data-v-189ade6e]{position:absolute;top:16px;right:16px;z-index:2;will-change:transform}.reset-position-btn[data-v-189ade6e]{background:hsla(0,0%,100%,.9);border:1px solid #e2e8f0;color:#334155;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:4px;backdrop-filter:blur(4px);will-change:transform}.reset-position-btn[data-v-189ade6e]:hover{background:#fff;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 2px 6px rgba(0,0,0,.1)}.reset-position-btn .icon[data-v-189ade6e]{font-size:14px}.pdf-preview[data-v-189ade6e],.pdf-viewer-container[data-v-189ade6e]{width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden;will-change:transform}.pdf-viewer-container[data-v-189ade6e]{background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.08)}.pdf-toolbar[data-v-189ade6e]{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-bottom:1px solid #e2e8f0;padding:12px 20px;flex-shrink:0;z-index:1;-webkit-user-select:none;-moz-user-select:none;user-select:none}.pdf-page-info[data-v-189ade6e]{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.pdf-toolbar-btn[data-v-189ade6e]{background:#fff;border:1px solid #e2e8f0;color:#475569;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;font-size:14px;box-shadow:0 1px 3px rgba(0,0,0,.05);will-change:transform}.pdf-toolbar-btn[data-v-189ade6e]:hover:not(:disabled){background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 2px 6px rgba(0,0,0,.1)}.pdf-toolbar-btn[data-v-189ade6e]:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.pdf-page-counter[data-v-189ade6e]{color:#334155;font-size:14px;font-weight:500;display:flex;align-items:center;gap:6px}.page-input[data-v-189ade6e]{width:50px;padding:4px 8px;border:1px solid #e2e8f0;border-radius:6px;text-align:center;font-size:14px;font-weight:500;color:#334155;background:#fff;transition:all .2s ease}.page-input[data-v-189ade6e]:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px rgba(59,130,246,.1)}.pdf-zoom-level[data-v-189ade6e]{color:#334155;min-width:50px;text-align:center;font-size:14px;font-weight:600}.pdf-iframe-wrapper[data-v-189ade6e]{flex:1;position:relative;overflow:auto;display:flex;justify-content:center;align-items:flex-start;padding:20px;background:#f1f5f9;scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.pdf-iframe[data-v-189ade6e]{width:100%;height:100%;min-height:500px;border:none;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:transform .3s ease;will-change:transform}.pdf-loading[data-v-189ade6e]{background:hsla(0,0%,100%,.95);backdrop-filter:blur(4px);color:#334155;z-index:10;border-radius:12px}.pdf-error[data-v-189ade6e],.pdf-loading[data-v-189ade6e]{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center}.pdf-error[data-v-189ade6e]{background:#fff;padding:40px;text-align:center;z-index:20}.error-icon[data-v-189ade6e]{font-size:64px;margin-bottom:20px}.pdf-error h3[data-v-189ade6e]{margin-bottom:12px;color:#dc2626;font-size:20px;font-weight:600}.pdf-error p[data-v-189ade6e]{margin-bottom:24px;color:#64748b;max-width:400px}.error-actions[data-v-189ade6e]{display:flex;gap:16px}.pdf-fallback[data-v-189ade6e]{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px;background:#fff;border-radius:16px;box-shadow:0 4px 12px rgba(0,0,0,.08)}.pdf-icon[data-v-189ade6e]{font-size:64px;margin-bottom:20px;opacity:.9}.pdf-fallback h3[data-v-189ade6e]{margin-bottom:16px;color:#1e293b;font-size:24px;font-weight:600}.pdf-tips[data-v-189ade6e]{margin:16px 0 32px;color:#64748b;font-size:14px;max-width:400px;line-height:1.6}.other-file-preview[data-v-189ade6e]{text-align:center;color:#334155;padding:40px;background:#fff;border-radius:16px;box-shadow:0 4px 12px rgba(0,0,0,.08)}.file-icon[data-v-189ade6e]{font-size:80px;margin-bottom:24px;opacity:.9}.file-details h3[data-v-189ade6e]{margin-bottom:16px;color:#1e293b;font-size:24px;font-weight:600}.file-details p[data-v-189ade6e]{margin:8px 0;color:#64748b;font-size:15px}.action-buttons[data-v-189ade6e],.file-actions[data-v-189ade6e]{display:flex;gap:16px;justify-content:center;margin-top:32px}.download-btn[data-v-189ade6e],.primary-btn[data-v-189ade6e],.secondary-btn[data-v-189ade6e],.view-external-btn[data-v-189ade6e]{padding:12px 24px;border:none;border-radius:10px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 2px 8px rgba(0,0,0,.08);will-change:transform}.download-btn[data-v-189ade6e],.primary-btn[data-v-189ade6e]{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:1px solid #2563eb}.secondary-btn[data-v-189ade6e],.view-external-btn[data-v-189ade6e]{background:#fff;color:#475569;border:1px solid #e2e8f0}.download-btn[data-v-189ade6e]:hover,.primary-btn[data-v-189ade6e]:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(59,130,246,.25);opacity:.95}.secondary-btn[data-v-189ade6e]:hover,.view-external-btn[data-v-189ade6e]:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}.loading-overlay[data-v-189ade6e]{position:absolute;top:0;left:0;right:0;bottom:0;background:hsla(0,0%,100%,.95);backdrop-filter:blur(4px);display:flex;flex-direction:column;justify-content:center;align-items:center;color:#334155;z-index:10;border-radius:16px}.loading-spinner[data-v-189ade6e]{width:48px;height:48px;border:3px solid #e2e8f0;border-radius:50%;border-top-color:#3b82f6;animation:spin-189ade6e 1s cubic-bezier(.4,0,.2,1) infinite;margin-bottom:16px}.preview-footer[data-v-189ade6e]{padding:20px 24px;background:#f8fafc;border-top:1px solid #e2e8f0;flex-shrink:0;-webkit-user-select:none;-moz-user-select:none;user-select:none}.file-thumbnails[data-v-189ade6e]{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.thumbnail[data-v-189ade6e]{width:80px;height:80px;flex-shrink:0;border-radius:12px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .2s ease;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.05);will-change:transform}.thumbnail[data-v-189ade6e]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}.thumbnail.active[data-v-189ade6e]{border-color:#3b82f6;box-shadow:0 4px 16px rgba(59,130,246,.2)}.thumbnail img[data-v-189ade6e]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;backface-visibility:hidden}.thumbnail-icon[data-v-189ade6e]{font-size:28px;color:#64748b}.control-bar[data-v-189ade6e]{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#fff;border-top:1px solid #e2e8f0;flex-shrink:0;-webkit-user-select:none;-moz-user-select:none;user-select:none}.nav-controls[data-v-189ade6e],.zoom-controls[data-v-189ade6e]{display:flex;align-items:center;gap:12px}.control-btn[data-v-189ade6e]{background:#f8fafc;border:1px solid #e2e8f0;color:#475569;padding:10px 16px;border-radius:10px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:center;min-width:44px;height:44px;box-shadow:0 1px 3px rgba(0,0,0,.05);will-change:transform}.control-btn .icon[data-v-189ade6e]{font-size:16px;font-weight:600}.control-btn[data-v-189ade6e]:hover:not(:disabled){background:#fff;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.08)}.control-btn[data-v-189ade6e]:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.zoom-level[data-v-189ade6e]{color:#334155;min-width:60px;text-align:center;font-size:14px;font-weight:600}.reset-btn[data-v-189ade6e]{background:#f0f9ff;border-color:#bae6fd;color:#0369a1}.rotate-btn[data-v-189ade6e]{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}.fullscreen-btn[data-v-189ade6e]{background:#eff6ff;border-color:#dbeafe;color:#1d4ed8}.fullscreen-btn[data-v-189ade6e]:hover{background:#dbeafe;border-color:#bfdbfe}.shortcut-hints[data-v-189ade6e]{position:absolute;bottom:120px;right:24px;background:hsla(0,0%,100%,.95);color:#334155;padding:20px;border-radius:16px;font-size:14px;animation:fadeIn-189ade6e .2s ease;box-shadow:0 10px 30px rgba(0,0,0,.1);border:1px solid #e2e8f0;backdrop-filter:blur(10px);z-index:100;will-change:transform}.shortcut-item[data-v-189ade6e]{display:flex;align-items:center;gap:8px;margin:8px 0}.shortcut-item[data-v-189ade6e]:last-child{margin-bottom:0}.shortcut-item kbd[data-v-189ade6e]{background:#f8fafc;color:#334155;padding:6px 10px;border-radius:8px;font-family:SF Mono,Monaco,Cascadia Mono,monospace;font-size:12px;font-weight:600;border:1px solid #e2e8f0;min-width:32px;text-align:center;box-shadow:0 1px 2px rgba(0,0,0,.05)}.file-thumbnails[data-v-189ade6e]::-webkit-scrollbar{height:6px}.file-thumbnails[data-v-189ade6e]::-webkit-scrollbar-track{background:rgba(226,232,240,.5);border-radius:3px}.file-thumbnails[data-v-189ade6e]::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px;-webkit-transition:background .3s ease;transition:background .3s ease}.file-thumbnails[data-v-189ade6e]::-webkit-scrollbar-thumb:hover{background:#94a3b8}.pdf-iframe-wrapper[data-v-189ade6e]::-webkit-scrollbar{width:8px;height:8px}.pdf-iframe-wrapper[data-v-189ade6e]::-webkit-scrollbar-track{background:rgba(226,232,240,.5);border-radius:4px}.pdf-iframe-wrapper[data-v-189ade6e]::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px;-webkit-transition:background .3s ease;transition:background .3s ease}.pdf-iframe-wrapper[data-v-189ade6e]::-webkit-scrollbar-thumb:hover{background:#94a3b8}.preview-content[data-v-189ade6e]::-webkit-scrollbar{width:8px;height:8px}.preview-content[data-v-189ade6e]::-webkit-scrollbar-track{background:rgba(226,232,240,.5);border-radius:4px}.preview-content[data-v-189ade6e]::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px;-webkit-transition:background .3s ease;transition:background .3s ease}.preview-content[data-v-189ade6e]::-webkit-scrollbar-thumb:hover{background:#94a3b8}@keyframes fadeIn-189ade6e{0%{opacity:0;transform:translateZ(0)}to{opacity:1;transform:translateZ(0)}}@keyframes slideUp-189ade6e{0%{opacity:0;transform:translateY(30px) scale(.98) translateX(-50%)}to{opacity:1;transform:translateY(0) scale(1) translateX(-50%)}}@keyframes spin-189ade6e{to{transform:rotate(1turn)}}@media (max-width:768px){.file-preview-modal[data-v-189ade6e]{width:100vw;height:100vh;border-radius:0;max-width:none;top:0;left:0;transform:none}.preview-header[data-v-189ade6e]{padding:12px 16px}.file-info[data-v-189ade6e]{max-width:60%}.file-name[data-v-189ade6e]{font-size:14px}.control-bar[data-v-189ade6e]{flex-direction:column;gap:16px;padding:16px}.nav-controls[data-v-189ade6e],.zoom-controls[data-v-189ade6e]{width:100%;justify-content:center;flex-wrap:wrap}.shortcut-hints[data-v-189ade6e]{display:none}.action-buttons[data-v-189ade6e],.error-actions[data-v-189ade6e],.file-actions[data-v-189ade6e]{flex-direction:column;width:100%;max-width:280px;margin-left:auto;margin-right:auto}.thumbnail[data-v-189ade6e]{width:60px;height:60px}.pdf-page-info[data-v-189ade6e]{gap:8px}.pdf-toolbar[data-v-189ade6e]{padding:10px 16px}.pdf-toolbar-btn[data-v-189ade6e]{width:32px;height:32px;font-size:12px}.pdf-page-counter[data-v-189ade6e]{font-size:13px}.page-input[data-v-189ade6e]{width:40px;font-size:13px}.pdf-iframe-wrapper[data-v-189ade6e]{padding:10px}.reset-position-btn[data-v-189ade6e]{padding:4px 8px;font-size:11px}}@media (max-width:480px){.preview-content[data-v-189ade6e]{padding:12px}.other-file-preview[data-v-189ade6e],.pdf-fallback[data-v-189ade6e]{padding:24px 16px}.file-icon[data-v-189ade6e]{font-size:64px}.other-file-preview h3[data-v-189ade6e],.pdf-fallback h3[data-v-189ade6e]{font-size:20px}.pdf-error[data-v-189ade6e]{padding:24px 16px}.error-icon[data-v-189ade6e]{font-size:48px}.pdf-error h3[data-v-189ade6e]{font-size:18px}}.grading-modal-overlay[data-v-553efcba]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:flex;justify-content:center;align-items:center;z-index:2000;animation:fadeIn-553efcba .3s ease;backdrop-filter:blur(4px);padding:20px}.grading-modal[data-v-553efcba]{background:#fff;border-radius:16px;width:100%;max-width:1200px;height:85vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:slideUp-553efcba .3s ease;border:1px solid hsla(0,0%,100%,.1)}.grading-header[data-v-553efcba]{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 24px;border-bottom:1px solid #e2e8f0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;min-height:80px}.header-left[data-v-553efcba]{flex:1}.header-right[data-v-553efcba],.modal-title[data-v-553efcba]{display:flex;align-items:center}.modal-title[data-v-553efcba]{margin:0 0 12px 0;font-size:1.5rem;font-weight:600;gap:8px}.student-info[data-v-553efcba]{display:flex;flex-direction:column;gap:8px}.student-main[data-v-553efcba]{display:flex;align-items:center;gap:12px}.student-avatar[data-v-553efcba]{width:36px;height:36px;background:hsla(0,0%,100%,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;backdrop-filter:blur(10px)}.student-name[data-v-553efcba]{font-weight:600;font-size:1.1rem}.student-details[data-v-553efcba]{display:flex;flex-wrap:wrap;gap:12px;font-size:.9rem;opacity:.9;color:hsla(0,0%,100%,.9)}.close-btn[data-v-553efcba]{background:hsla(0,0%,100%,.2);border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;backdrop-filter:blur(10px)}.close-btn[data-v-553efcba]:hover{background:hsla(0,0%,100%,.3);transform:scale(1.1)}.close-icon[data-v-553efcba]{width:20px;height:20px}.grading-content[data-v-553efcba]{display:grid;grid-template-columns:1fr 1fr;flex:1;overflow:hidden;min-height:0}.grading-section[data-v-553efcba],.preview-section[data-v-553efcba]{padding:20px;overflow:hidden;display:flex;flex-direction:column;height:100%}.preview-section[data-v-553efcba]{border-right:1px solid #e2e8f0;background:linear-gradient(135deg,#f8fafc,#f1f5f9)}.grading-section-header[data-v-553efcba],.preview-header[data-v-553efcba]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:0;background:none;color:#333}.section-title[data-v-553efcba]{margin:0;font-size:1.1rem;color:#1e293b;font-weight:600;display:flex;align-items:center;gap:8px}.file-count-badge[data-v-553efcba]{background:#667eea;color:#fff;padding:4px 12px;border-radius:12px;font-size:.85rem;font-weight:500}.score-preview[data-v-553efcba]{font-size:.9rem;color:#475569;background:hsla(0,0%,100%,.9);padding:6px 12px;border-radius:8px;border:1px solid #e2e8f0}.server-score[data-v-553efcba]{font-weight:600;color:#667eea;font-size:1rem}.confidence-score[data-v-553efcba]{font-size:.8rem;color:#94a3b8;margin-left:4px}.preview-area[data-v-553efcba]{flex:1;display:flex;flex-direction:column;gap:20px;overflow:hidden}.image-preview[data-v-553efcba],.other-preview[data-v-553efcba],.pdf-preview[data-v-553efcba]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;border-radius:12px;padding:24px;border:1px solid #e2e8f0;box-shadow:0 4px 6px rgba(0,0,0,.05)}.preview-container[data-v-553efcba]{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;width:100%;height:100%;position:relative;overflow:hidden}.preview-image[data-v-553efcba]{max-width:100%;max-height:100%;-o-object-fit:contain;object-fit:contain;border-radius:8px;box-shadow:0 8px 20px rgba(0,0,0,.1);border:1px solid #e2e8f0;cursor:move;transition:transform .2s ease}.zoom-controls[data-v-553efcba]{position:absolute;bottom:20px;right:20px;display:flex;gap:8px;background:hsla(0,0%,100%,.95);border-radius:20px;padding:8px;box-shadow:0 4px 12px rgba(0,0,0,.15);border:1px solid rgba(0,0,0,.1);z-index:10}.zoom-btn[data-v-553efcba]{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:50%;background:#fff;color:#475569;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s;box-shadow:0 2px 4px rgba(0,0,0,.1)}.zoom-btn[data-v-553efcba]:hover:not(:disabled){background:#667eea;color:#fff;transform:scale(1.1);box-shadow:0 4px 8px rgba(102,126,234,.3)}.zoom-btn[data-v-553efcba]:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.zoom-in[data-v-553efcba]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.zoom-out[data-v-553efcba]{background:linear-gradient(135deg,#64748b,#475569);color:#fff}.zoom-reset[data-v-553efcba]{min-width:60px;border-radius:18px;background:#f1f5f9;color:#475569}.zoom-percent[data-v-553efcba]{font-size:.85rem;font-weight:600}.zoom-icon[data-v-553efcba]{width:18px;height:18px}.image-controls[data-v-553efcba]{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px;width:100%}.control-btn[data-v-553efcba]{background:#667eea;border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 2px 8px rgba(102,126,234,.2)}.control-btn[data-v-553efcba]:hover:not(:disabled){background:#5a67d8;transform:scale(1.1);box-shadow:0 4px 12px rgba(102,126,234,.3)}.control-btn[data-v-553efcba]:disabled{opacity:.3;cursor:not-allowed;transform:none!important}.control-icon[data-v-553efcba]{width:16px;height:16px}.file-counter[data-v-553efcba]{font-weight:500;color:#475569;min-width:60px;text-align:center;font-size:.9rem}.file-icon[data-v-553efcba],.pdf-icon[data-v-553efcba]{font-size:3.5rem;margin-bottom:16px;opacity:.8}.file-info[data-v-553efcba],.pdf-info[data-v-553efcba]{text-align:center;margin-bottom:16px}.file-name[data-v-553efcba],.pdf-name[data-v-553efcba]{font-weight:600;color:#1e293b;margin-bottom:4px;word-break:break-all;font-size:.95rem}.file-type[data-v-553efcba],.pdf-tip[data-v-553efcba]{color:#64748b;font-size:.85rem}.download-btn[data-v-553efcba],.view-external-btn[data-v-553efcba]{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:500;font-size:.9rem;transition:all .2s;box-shadow:0 2px 8px rgba(102,126,234,.2)}.download-btn[data-v-553efcba]:hover,.view-external-btn[data-v-553efcba]:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 12px rgba(102,126,234,.3)}.btn-icon[data-v-553efcba]{width:16px;height:16px}.thumbnail-list[data-v-553efcba]{display:flex;gap:12px;padding:16px;overflow-x:auto;background:#fff;border-radius:12px;border:1px solid #e2e8f0;box-shadow:0 2px 4px rgba(0,0,0,.05)}.thumbnail-item[data-v-553efcba]{flex-shrink:0;width:100px;cursor:pointer;transition:all .2s}.thumbnail-item.active .thumbnail-content[data-v-553efcba]{border-color:#667eea;box-shadow:0 4px 12px rgba(102,126,234,.2)}.thumbnail-content[data-v-553efcba]{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px;background:#fff;border-radius:8px;border:2px solid transparent;transition:all .2s}.thumbnail-item:hover .thumbnail-content[data-v-553efcba]{border-color:#cbd5e1;box-shadow:0 4px 8px rgba(0,0,0,.1)}.thumbnail-preview[data-v-553efcba]{position:relative;width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:#f8fafc;border-radius:6px;overflow:hidden}.thumbnail-image[data-v-553efcba]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.thumbnail-icon[data-v-553efcba]{font-size:1.5rem;color:#64748b}.thumbnail-overlay[data-v-553efcba]{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(102,126,234,.2);display:flex;align-items:center;justify-content:center}.checkmark[data-v-553efcba]{color:#667eea;font-size:1.2rem;font-weight:700}.thumbnail-name[data-v-553efcba]{font-size:.8rem;color:#475569;text-align:center;word-break:break-word;max-width:100%;line-height:1.2}.grading-form[data-v-553efcba]{flex:1;overflow-y:auto;padding-right:8px;display:flex;flex-direction:column;gap:24px}.form-label[data-v-553efcba]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-weight:600;color:#1e293b}.label-text[data-v-553efcba]{font-size:.95rem;display:flex;align-items:center;gap:6px}.label-hint[data-v-553efcba]{color:#94a3b8;font-weight:400;font-size:.85rem}.score-input-wrapper[data-v-553efcba]{display:flex;flex-direction:row;gap:16px}.score-input-container[data-v-553efcba]{position:relative;width:100%;max-width:200px}.score-input[data-v-553efcba]{width:100%;padding:12px 16px;padding-right:0;border:2px solid #e2e8f0;border-radius:10px;font-size:1.1rem;font-weight:600;color:#1e293b;outline:none;transition:all .2s;background:#fff}.disabled[data-v-553efcba]{background-color:#d2dafc}.score-input[data-v-553efcba]:focus{border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.score-unit[data-v-553efcba]{position:absolute;right:0;top:50%;transform:translateY(-50%);color:#94a3b8;font-weight:500;font-size:.9rem}.score-slider[data-v-553efcba]{width:100%}.score-range[data-v-553efcba]{width:100%;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#e2e8f0;border-radius:3px;outline:none}.score-range[data-v-553efcba]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;background:#fff;border:2px solid #667eea;border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgba(102,126,234,.3);-webkit-transition:all .2s;transition:all .2s}.score-range[data-v-553efcba]::-webkit-slider-thumb:hover{background:#667eea;transform:scale(1.1);box-shadow:0 4px 8px rgba(102,126,234,.3)}.score-marks[data-v-553efcba]{display:flex;justify-content:space-between;margin-top:8px;color:#94a3b8;font-size:.85rem}.score-error[data-v-553efcba]{display:flex;align-items:center;gap:6px;color:#ef4444;font-size:.85rem;margin-top:8px;min-height:20px;padding:8px 12px;background:rgba(239,68,68,.1);border-radius:6px;border:1px solid rgba(239,68,68,.2)}.error-icon[data-v-553efcba]{font-size:.9rem}.server-comment[data-v-553efcba]{padding:16px;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:10px;border:1px solid #e2e8f0;box-shadow:0 2px 4px rgba(0,0,0,.05)}.comment-actions[data-v-553efcba]{display:flex;gap:8px}.action-btn[data-v-553efcba]{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid #e2e8f0;border-radius:6px;background:#fff;color:#475569;cursor:pointer;font-size:.85rem;transition:all .2s}.action-btn[data-v-553efcba]:hover:not(:disabled){background:#d6400a;border-color:#efedeb;transform:translateY(-1px)}.action-icon[data-v-553efcba]{width:14px;height:14px}.use-comment-btn[data-v-553efcba]{background:#10b981;color:#fff;border:none}.use-comment-btn[data-v-553efcba]:hover{background:#0da271}.refresh-comment-btn[data-v-553efcba]{padding:6px;min-width:32px}.refresh-comment-btn[data-v-553efcba]:disabled{opacity:.5;cursor:not-allowed}.comment-preview[data-v-553efcba]{color:#475569;line-height:1.6;margin-top:12px;padding:12px;background:#fff;border-radius:8px;border:1px solid #e2e8f0;font-size:.9rem;max-height:120px;overflow-y:auto}.comment-textarea-wrapper[data-v-553efcba]{display:flex;flex-direction:column;gap:12px;max-width:100%}.comment-textarea[data-v-553efcba]{max-width:100%;min-height:100px;padding:14px;border:2px solid #e2e8f0;border-radius:10px;font-size:.95rem;color:#1e293b;outline:none;resize:vertical;font-family:inherit;transition:all .2s;background:#fff}.comment-textarea[data-v-553efcba]:focus{border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.comment-footer[data-v-553efcba]{display:flex;justify-content:space-between;align-items:center}.comment-counter[data-v-553efcba]{color:#94a3b8;font-size:.85rem}.comment-tips[data-v-553efcba]{color:#64748b;font-size:.85rem;display:flex;align-items:center;gap:4px}.grading-suggestions[data-v-553efcba]{background:linear-gradient(135deg,#fef3c7,#fef9c3);border-radius:10px;padding:16px;border:1px solid #fde68a}.suggestion-list[data-v-553efcba]{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}.suggestion-item[data-v-553efcba]{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid #e2e8f0;border-radius:8px;background:#fff;cursor:pointer;transition:all .2s;text-align:left}.suggestion-item[data-v-553efcba]:hover{border-color:#cbd5e1;background:#f8fafc;transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.suggestion-text[data-v-553efcba]{flex:1;color:#475569;font-size:.9rem;line-height:1.4}.suggestion-score[data-v-553efcba]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:4px 10px;border-radius:15px;font-weight:600;font-size:.85rem;min-width:50px;text-align:center}.grading-history[data-v-553efcba]{background:linear-gradient(135deg,#ecfdf5,#d1fae5);border-radius:10px;padding:16px;border:1px solid #a7f3d0}.history-header[data-v-553efcba]{display:flex;align-items:center;gap:8px;margin-bottom:12px}.history-title[data-v-553efcba]{font-weight:600;color:#1e293b;font-size:.95rem}.history-count[data-v-553efcba]{color:#94a3b8;font-size:.85rem}.history-list[data-v-553efcba]{display:flex;flex-direction:column;gap:12px;max-height:200px;overflow-y:auto;padding-right:4px}.history-item[data-v-553efcba]{padding:12px;background:#fff;border-radius:8px;border:1px solid #e2e8f0;display:flex;flex-direction:column;gap:8px}.history-main[data-v-553efcba]{display:flex;flex-direction:column;gap:4px}.history-score[data-v-553efcba]{font-weight:600;color:#667eea;font-size:1rem}.history-comment[data-v-553efcba]{color:#475569;line-height:1.4;font-size:.9rem}.history-meta[data-v-553efcba]{display:flex;justify-content:space-between;color:#94a3b8;font-size:.8rem;padding-top:4px;border-top:1px solid #f1f5f9}.grading-footer[data-v-553efcba]{padding:20px 24px;border-top:1px solid #e2e8f0;background:#f8fafc;display:flex;flex-direction:column;gap:16px}.footer-tips[data-v-553efcba]{display:flex;align-items:center;gap:8px;color:#64748b;font-size:.9rem;padding:12px 16px;background:#fff;border-radius:8px;border:1px solid #e2e8f0}.tip-icon[data-v-553efcba]{color:#667eea}.footer-actions[data-v-553efcba]{display:flex;justify-content:flex-end;gap:12px}.cancel-btn[data-v-553efcba]{background:#f8fafc;color:#64748b;border:1px solid #e2e8f0;padding:10px 24px;font-weight:500;min-width:80px}.cancel-btn[data-v-553efcba]:hover:not(:disabled){background:#f1f5f9;color:#475569}.save-draft-btn[data-v-553efcba]{background:#f1f5f9;color:#475569;border:1px solid #cbd5e1;padding:10px 24px;font-weight:500;min-width:100px}.save-draft-btn[data-v-553efcba]:hover:not(:disabled){background:#e2e8f0}.submit-btn[data-v-553efcba]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:10px 28px;font-weight:500;min-width:120px;box-shadow:0 2px 8px rgba(102,126,234,.2)}.submit-btn[data-v-553efcba]:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 4px 12px rgba(102,126,234,.3)}.submit-btn[data-v-553efcba]:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.submit-btn-content[data-v-553efcba]{display:flex;align-items:center;gap:8px;justify-content:center}.submit-icon[data-v-553efcba]{width:16px;height:16px}.loading-overlay[data-v-553efcba]{position:absolute;top:0;left:0;right:0;bottom:0;background:hsla(0,0%,100%,.95);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10;border-radius:16px}.loading-spinner[data-v-553efcba]{width:48px;height:48px;border:3px solid #e2e8f0;border-radius:50%;border-top-color:#667eea;animation:spin-553efcba 1s ease-in-out infinite;margin-bottom:16px}.comment-preview[data-v-553efcba]::-webkit-scrollbar,.grading-form[data-v-553efcba]::-webkit-scrollbar,.history-list[data-v-553efcba]::-webkit-scrollbar,.thumbnail-list[data-v-553efcba]::-webkit-scrollbar{width:6px;height:6px}.comment-preview[data-v-553efcba]::-webkit-scrollbar-track,.grading-form[data-v-553efcba]::-webkit-scrollbar-track,.history-list[data-v-553efcba]::-webkit-scrollbar-track,.thumbnail-list[data-v-553efcba]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.comment-preview[data-v-553efcba]::-webkit-scrollbar-thumb,.grading-form[data-v-553efcba]::-webkit-scrollbar-thumb,.history-list[data-v-553efcba]::-webkit-scrollbar-thumb,.thumbnail-list[data-v-553efcba]::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.comment-preview[data-v-553efcba]::-webkit-scrollbar-thumb:hover,.grading-form[data-v-553efcba]::-webkit-scrollbar-thumb:hover,.history-list[data-v-553efcba]::-webkit-scrollbar-thumb:hover,.thumbnail-list[data-v-553efcba]::-webkit-scrollbar-thumb:hover{background:#a1a1a1}@keyframes fadeIn-553efcba{0%{opacity:0}to{opacity:1}}@keyframes slideUp-553efcba{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin-553efcba{to{transform:rotate(1turn)}}@media (max-width:992px){.grading-content[data-v-553efcba]{grid-template-columns:1fr;overflow-y:auto}.preview-section[data-v-553efcba]{border-right:none;border-bottom:1px solid #e2e8f0;flex:none;max-height:50vh}.suggestion-list[data-v-553efcba]{grid-template-columns:1fr}.score-input-container[data-v-553efcba]{max-width:100%}}@media (max-width:768px){.grading-modal[data-v-553efcba]{height:90vh;margin:0;border-radius:12px}.grading-content[data-v-553efcba]{grid-template-columns:1fr}.grading-section[data-v-553efcba],.preview-section[data-v-553efcba]{padding:16px}.grading-header[data-v-553efcba]{padding:16px 20px;flex-direction:column;gap:12px}.header-left[data-v-553efcba],.header-right[data-v-553efcba]{width:100%}.header-right[data-v-553efcba]{justify-content:flex-end}.student-details[data-v-553efcba]{flex-direction:column;gap:6px}.footer-actions[data-v-553efcba]{flex-direction:column}.action-btn[data-v-553efcba]{width:100%;justify-content:center}.thumbnail-list[data-v-553efcba]{padding:12px}.thumbnail-item[data-v-553efcba]{width:90px}.zoom-controls[data-v-553efcba]{bottom:10px;right:10px;padding:6px}.zoom-btn[data-v-553efcba]{width:32px;height:32px}.zoom-reset[data-v-553efcba]{min-width:50px}}@media (max-height:700px){.grading-modal[data-v-553efcba]{height:95vh}.preview-section[data-v-553efcba]{max-height:45vh}}.modal[data-v-4d2357dc]{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content[data-v-4d2357dc]{background-color:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.15);position:relative;overflow:hidden}.submissions-modal[data-v-4d2357dc]{max-width:900px;width:90%;height:80vh;display:flex;flex-direction:column}.close-btn[data-v-4d2357dc]{position:absolute;top:15px;right:20px;background:none;border:none;font-size:24px;cursor:pointer;color:#666;z-index:10;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .3s}.close-btn[data-v-4d2357dc]:hover{background-color:rgba(0,0,0,.1);color:#333}.header-title-row[data-v-4d2357dc]{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.header-title-row .view-details-btn[data-v-4d2357dc]{background:linear-gradient(135deg,#2196f3,#21cbf3);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .3s;white-space:nowrap}.header-title-row .view-details-btn[data-v-4d2357dc]:hover{opacity:.9;transform:translateY(-1px)}.submissions-header[data-v-4d2357dc]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;padding:20px 20px 15px 20px;border-bottom:1px solid #e1e8ed}.header-info .modal-title[data-v-4d2357dc]{margin:0 0 10px 0;color:#1a1a1a;font-size:1.4rem}.homework-title[data-v-4d2357dc]{font-size:1.1rem;font-weight:600;color:#333;margin-bottom:5px}.homework-meta[data-v-4d2357dc]{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.subject-badge[data-v-4d2357dc]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;padding:2px 8px;border-radius:12px;font-size:.8rem}.type-badge[data-v-4d2357dc]{background:#e3f2fd;color:#2196f3;padding:2px 8px;border-radius:12px;font-size:.8rem}.due-date[data-v-4d2357dc]{color:#666;font-size:.85rem}.header-stats[data-v-4d2357dc]{display:flex;gap:20px;margin-right:25px}.stat[data-v-4d2357dc]{text-align:center}.stat-number[data-v-4d2357dc]{font-size:1.5rem;font-weight:700;margin-bottom:2px}.stat-number.submitted-count[data-v-4d2357dc]{color:#4caf50}.stat-number.graded-count[data-v-4d2357dc]{color:#2196f3}.stat-label[data-v-4d2357dc]{color:#666;font-size:.8rem}.submissions-toolbar[data-v-4d2357dc]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:15px;padding:0 20px;position:relative}.search-box[data-v-4d2357dc]{position:relative;flex:1;max-width:300px}.search-input[data-v-4d2357dc]{width:100%;padding:10px 15px 10px 35px;border:2px solid #e1e8ed;border-radius:20px;font-size:.9rem;outline:none;transition:border-color .3s}.search-input[data-v-4d2357dc]:focus{border-color:#fa709a}.search-icon[data-v-4d2357dc]{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#999;z-index:2}.loading-spinner[data-v-4d2357dc]{position:absolute;right:12px;top:50%;transform:translateY(-50%);z-index:2}.spinner[data-v-4d2357dc]{width:16px;height:16px;border:2px solid rgba(250,112,154,.3);border-top-color:#fa709a;border-radius:50%;animation:spin-4d2357dc 1s linear infinite}@keyframes spin-4d2357dc{to{transform:rotate(1turn)}}.filter-buttons[data-v-4d2357dc]{display:flex;gap:8px}.filter-btn[data-v-4d2357dc]{padding:6px 12px;border:1px solid #e1e8ed;border-radius:15px;background:#fff;color:#666;cursor:pointer;font-size:.85rem;transition:all .3s}.filter-btn[data-v-4d2357dc]:hover{border-color:#fa709a;color:#fa709a}.filter-btn.active[data-v-4d2357dc]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;border-color:transparent}.loading-state[data-v-4d2357dc]{flex:1;display:flex;justify-content:center;align-items:center;padding:40px}.loading-content[data-v-4d2357dc]{text-align:center}.loading-content .spinner[data-v-4d2357dc]{width:40px;height:40px;margin:0 auto 20px;border-width:3px}.loading-content p[data-v-4d2357dc]{color:#666;font-size:.95rem}.empty-state[data-v-4d2357dc]{flex:1;display:flex;justify-content:center;align-items:center;padding:40px}.empty-content[data-v-4d2357dc]{text-align:center}.empty-icon[data-v-4d2357dc]{font-size:3.5rem;margin-bottom:20px;opacity:.5}.empty-content h4[data-v-4d2357dc]{margin:0 0 10px 0;color:#666;font-size:1.2rem}.empty-content p[data-v-4d2357dc]{color:#999;font-size:.9rem;margin:0}.submissions-list[data-v-4d2357dc]{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;margin-bottom:20px;padding:0 20px}.submission-item[data-v-4d2357dc]{display:grid;grid-template-columns:minmax(150px,1.5fr) minmax(100px,1fr) minmax(120px,1.2fr) minmax(80px,1fr) minmax(120px,auto);gap:15px;align-items:center;padding:15px;background:#fff;border:1px solid #e1e8ed;border-radius:10px;transition:all .3s}.submission-item[data-v-4d2357dc]:hover{box-shadow:0 2px 8px rgba(0,0,0,.1);transform:translateY(-1px)}.submission-item.not-submitted[data-v-4d2357dc]{background:#f8f9fa;opacity:.7}.submission-item.late-submission[data-v-4d2357dc]{border-left:4px solid #ff9800}.submission-item.online-submission[data-v-4d2357dc]{border-left:4px solid #2196f3}.student-info[data-v-4d2357dc]{display:flex;align-items:center;gap:12px;min-width:0}.student-avatar[data-v-4d2357dc]{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#f5f5f5;border-radius:50%;flex-shrink:0}.student-details[data-v-4d2357dc]{min-width:0;flex:1}.student-name[data-v-4d2357dc]{font-weight:600;color:#333;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-id[data-v-4d2357dc]{color:#666;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.submission-status[data-v-4d2357dc]{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}.status-badge[data-v-4d2357dc]{padding:4px 8px;border-radius:12px;font-size:.75rem;font-weight:500;white-space:nowrap}.status-badge.submitted[data-v-4d2357dc]{background:#e8f5e8;color:#4caf50}.status-badge.graded[data-v-4d2357dc]{background:#e3f2fd;color:#2196f3}.status-badge.not_submitted[data-v-4d2357dc]{background:#ffebee;color:#f44336}.submit-time[data-v-4d2357dc]{color:#666;font-size:.75rem;white-space:nowrap}.late-tag[data-v-4d2357dc]{color:#ff9800;font-size:.7rem;font-weight:500;white-space:nowrap}.file-info[data-v-4d2357dc]{min-width:0}.online-submission-info[data-v-4d2357dc]{display:flex;flex-direction:column;gap:4px}.answer-stats[data-v-4d2357dc]{display:flex;gap:8px;font-size:.8rem}.correct-count[data-v-4d2357dc]{color:#4caf50;font-weight:500}.incorrect-count[data-v-4d2357dc]{color:#f44336;font-weight:500}.total-count[data-v-4d2357dc]{color:#666}.completion-rate[data-v-4d2357dc]{color:#2196f3;font-size:.75rem;font-weight:500}.no-answer-data[data-v-4d2357dc]{color:#999;font-size:.8rem;font-style:italic}.file-count[data-v-4d2357dc]{display:flex;align-items:center;gap:4px;color:#666;font-size:.85rem;margin-bottom:2px;white-space:nowrap}.file-names[data-v-4d2357dc]{color:#999;font-size:.75rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.no-files[data-v-4d2357dc]{color:#999;font-size:.85rem;font-style:italic;white-space:nowrap}.grade-info[data-v-4d2357dc]{text-align:center;min-width:0}.score[data-v-4d2357dc]{font-weight:700;color:#fa709a;font-size:1rem;white-space:nowrap}.no-score[data-v-4d2357dc]{color:#999;font-size:.85rem;white-space:nowrap}.note[data-v-4d2357dc]{color:#666;font-size:.75rem;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.action-buttons[data-v-4d2357dc]{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}.action-btn[data-v-4d2357dc]{padding:6px 12px;border:none;border-radius:6px;font-size:.8rem;cursor:pointer;transition:all .3s;white-space:nowrap;flex-shrink:0}.view-details-btn[data-v-4d2357dc]{background:#e3f2fd;color:#2196f3}.view-details-btn[data-v-4d2357dc]:hover{background:#2196f3;color:#fff}.download-btn[data-v-4d2357dc]{background:#e8f5e8;color:#4caf50}.download-btn[data-v-4d2357dc]:hover{background:#4caf50;color:#fff}.grade-btn[data-v-4d2357dc]{background:#e3f2fd;color:#2196f3}.grade-btn[data-v-4d2357dc]:hover{background:#2196f3;color:#fff}.remind-btn[data-v-4d2357dc]{background:#fff3e0;color:#ff9800}.remind-btn[data-v-4d2357dc]:hover{background:#ff9800;color:#fff}.submissions-footer[data-v-4d2357dc]{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-top:1px solid #e1e8ed;background:#f8f9fa}.footer-stats[data-v-4d2357dc]{display:flex;gap:20px;color:#666;font-size:.9rem}.footer-actions[data-v-4d2357dc]{display:flex;gap:10px}.btn[data-v-4d2357dc]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .3s}.btn-secondary[data-v-4d2357dc]{background:#f0f0f0;color:#333}.btn-secondary[data-v-4d2357dc]:hover{background:#e0e0e0}.btn.primary[data-v-4d2357dc]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff}.btn.primary[data-v-4d2357dc]:hover{opacity:.9;transform:translateY(-1px)}@media (max-width:768px){.submissions-modal[data-v-4d2357dc]{max-width:95%;width:95%}.submissions-header[data-v-4d2357dc]{flex-direction:column;gap:15px}.header-stats[data-v-4d2357dc]{align-self:flex-start}.submissions-toolbar[data-v-4d2357dc]{flex-direction:column;align-items:stretch}.search-box[data-v-4d2357dc]{max-width:none}.submission-item[data-v-4d2357dc]{grid-template-columns:1fr;gap:10px;text-align:left}.grade-info[data-v-4d2357dc],.submission-status[data-v-4d2357dc]{text-align:left;flex-direction:row;align-items:center;gap:8px;justify-content:flex-start}.action-buttons[data-v-4d2357dc]{justify-content:flex-start}.submission-item>div[data-v-4d2357dc]:not(.action-buttons):before{content:attr(data-label);font-weight:600;color:#666;font-size:.8rem;margin-right:8px;display:inline-block;min-width:60px}.student-info[data-v-4d2357dc]:before{content:"学生信息"}.submission-status[data-v-4d2357dc]:before{content:"提交状态"}.file-info[data-v-4d2357dc]:before{content:"答题情况"}.grade-info[data-v-4d2357dc]:before{content:"评分信息"}}@media (min-width:1200px){.submission-item[data-v-4d2357dc]{grid-template-columns:minmax(180px,1.5fr) minmax(120px,1fr) minmax(150px,1.2fr) minmax(100px,1fr) minmax(150px,auto)}}.submissions-list[data-v-4d2357dc]::-webkit-scrollbar{width:6px}.submissions-list[data-v-4d2357dc]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.submissions-list[data-v-4d2357dc]::-webkit-scrollbar-thumb{background:#fa709a;border-radius:3px}.submissions-list[data-v-4d2357dc]::-webkit-scrollbar-thumb:hover{background:#ff6b4a}.download-modal-overlay[data-v-4d2357dc]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:center;z-index:2000;animation:fadeIn-4d2357dc .3s ease}.download-modal[data-v-4d2357dc]{background:#fff;border-radius:16px;width:90%;max-width:500px;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:slideUp-4d2357dc .3s ease;overflow:hidden}.download-modal-header[data-v-4d2357dc]{display:flex;justify-content:space-between;align-items:center;padding:20px 25px;border-bottom:1px solid #e0e0e0;background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff}.download-modal-header h3[data-v-4d2357dc]{margin:0;font-size:1.3rem;font-weight:600}.download-modal-header .close-btn[data-v-4d2357dc]{background:hsla(0,0%,100%,.2);border:none;color:#fff;font-size:1.8rem;cursor:pointer;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .3s;line-height:1;padding:0}.download-modal-header .close-btn[data-v-4d2357dc]:hover:not(:disabled){background:hsla(0,0%,100%,.3);transform:scale(1.1)}.download-modal-header .close-btn[data-v-4d2357dc]:disabled{opacity:.5;cursor:not-allowed}.download-modal-content[data-v-4d2357dc]{padding:25px}.download-progress[data-v-4d2357dc]{margin-bottom:25px}.progress-bar[data-v-4d2357dc]{height:12px;background:#f0f0f0;border-radius:6px;overflow:hidden;margin-bottom:12px;box-shadow:inset 0 1px 3px rgba(0,0,0,.1)}.progress-fill[data-v-4d2357dc]{height:100%;background:linear-gradient(90deg,#fa709a,#feb47b);border-radius:6px;transition:width .5s ease;box-shadow:0 2px 4px rgba(250,112,154,.3)}.progress-info[data-v-4d2357dc]{display:flex;justify-content:space-between;font-size:.95rem;color:#666;font-weight:500}.download-details[data-v-4d2357dc]{background:#f8f9fa;padding:18px;border-radius:10px;margin-bottom:25px;border:1px solid #eaeaea}.download-details>div[data-v-4d2357dc]{margin-bottom:12px;line-height:1.5}.download-details>div[data-v-4d2357dc]:last-child{margin-bottom:0}.download-details strong[data-v-4d2357dc]{color:#555;margin-right:8px;font-weight:600}.current-file span[data-v-4d2357dc]{color:#333;font-weight:500;word-break:break-all}.student-info span[data-v-4d2357dc]{color:#2196f3;font-weight:500}.download-status span[data-v-4d2357dc]{font-weight:600;padding:3px 8px;border-radius:4px}.download-status .status-success[data-v-4d2357dc]{color:#4caf50;background:rgba(76,175,80,.1)}.download-status .status-downloading[data-v-4d2357dc]{color:#2196f3;background:rgba(33,150,243,.1)}.download-status .status-paused[data-v-4d2357dc]{color:#ff9800;background:rgba(255,152,0,.1)}.download-status .status-waiting[data-v-4d2357dc]{color:#9e9e9e;background:hsla(0,0%,62%,.1)}.download-controls[data-v-4d2357dc]{display:flex;gap:15px;justify-content:center;margin-bottom:25px}.control-btn[data-v-4d2357dc]{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s;min-width:120px;font-size:.95rem;letter-spacing:.5px}.control-btn[data-v-4d2357dc]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.control-btn[data-v-4d2357dc]:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}.cancel-btn[data-v-4d2357dc]{background:#ff5252;color:#fff;box-shadow:0 2px 8px rgba(255,82,82,.3)}.cancel-btn[data-v-4d2357dc]:hover:not(:disabled){background:#ff1744}.pause-btn[data-v-4d2357dc]{background:#ff9800;color:#fff;box-shadow:0 2px 8px rgba(255,152,0,.3)}.pause-btn[data-v-4d2357dc]:hover{background:#f57c00}.done-btn[data-v-4d2357dc]{background:#4caf50;color:#fff;box-shadow:0 2px 8px rgba(76,175,80,.3)}.done-btn[data-v-4d2357dc]:hover{background:#388e3c}.download-summary[data-v-4d2357dc]{text-align:center;padding:25px 20px;border-top:1px solid #eaeaea;margin-top:20px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-radius:10px}.summary-icon[data-v-4d2357dc]{font-size:3.5rem;margin-bottom:15px;animation:bounceIn-4d2357dc .5s ease}.download-summary h4[data-v-4d2357dc]{margin:10px 0;color:#4caf50;font-size:1.4rem;font-weight:600}.download-summary p[data-v-4d2357dc]{margin:8px 0;color:#666;font-size:1rem}.download-summary p[data-v-4d2357dc]:last-child{margin-bottom:20px;color:#ff5252;font-weight:500}@keyframes fadeIn-4d2357dc{0%{opacity:0}to{opacity:1}}@keyframes slideUp-4d2357dc{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounceIn-4d2357dc{0%{opacity:0;transform:scale(.3)}50%{opacity:1;transform:scale(1.05)}70%{transform:scale(.9)}to{transform:scale(1)}}@media (max-width:600px){.download-modal[data-v-4d2357dc]{width:95%;margin:10px}.download-controls[data-v-4d2357dc]{flex-direction:column}.control-btn[data-v-4d2357dc]{width:100%}.download-details[data-v-4d2357dc]{padding:15px}}.action-btn.download-btn[data-v-4d2357dc]:disabled{opacity:.6;cursor:not-allowed;background:#e0e0e0!important;color:#999!important}.action-btn.download-btn[data-v-4d2357dc]:disabled:hover{background:#e0e0e0!important;color:#999!important;transform:none!important}.file-name-item[data-v-4d2357dc]{cursor:pointer;color:#2196f3;text-decoration:underline;margin-right:8px;transition:color .2s}.file-name-item[data-v-4d2357dc]:hover{color:#1976d2}.file-count[data-v-4d2357dc]{cursor:pointer;transition:color .2s}.file-count[data-v-4d2357dc]:hover{color:#2196f3}.modal[data-v-1edae9f8]{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000;overflow:auto;padding:20px;box-sizing:border-box}.modal-content[data-v-1edae9f8]{position:relative;background-color:#fff;border-radius:10px;box-shadow:0 4px 20px rgba(0,0,0,.15);animation:modal-appear-1edae9f8 .3s ease-out}.questions-modal[data-v-1edae9f8]{max-width:800px;width:90%;max-height:85vh;display:flex;flex-direction:column}.close-btn[data-v-1edae9f8]{position:absolute;top:15px;right:15px;background:none;border:none;font-size:24px;cursor:pointer;color:#999;z-index:10;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .3s}.close-btn[data-v-1edae9f8]:hover{background-color:#f5f5f5;color:#666}@keyframes modal-appear-1edae9f8{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.questions-header[data-v-1edae9f8]{padding:20px 20px 15px 20px;border-bottom:1px solid #e1e8ed}.questions-header .modal-title[data-v-1edae9f8]{margin:0 0 10px 0;color:#1a1a1a;font-size:1.4rem}.overall-stats[data-v-1edae9f8]{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;padding:20px;background:#f8f9fa;margin:0 20px 20px 20px;border-radius:10px}.stat-card[data-v-1edae9f8]{text-align:center;padding:15px;background:#fff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.stat-card .stat-number[data-v-1edae9f8]{font-size:1.8rem;font-weight:700;color:#fa709a;margin-bottom:5px}.stat-card .stat-label[data-v-1edae9f8]{color:#666;font-size:.85rem}.questions-list[data-v-1edae9f8]{flex:1;overflow-y:auto;padding:0 20px;margin-bottom:20px}.question-item[data-v-1edae9f8]{background:#fff;border:1px solid #e1e8ed;border-radius:10px;margin-bottom:12px;overflow:hidden;transition:all .3s}.question-item[data-v-1edae9f8]:hover{box-shadow:0 2px 8px rgba(0,0,0,.1)}.question-header[data-v-1edae9f8]{display:flex;justify-content:space-between;align-items:center;padding:15px;cursor:pointer;transition:background-color .3s}.question-header[data-v-1edae9f8]:hover{background-color:#f8f9fa}.question-title[data-v-1edae9f8]{display:flex;align-items:flex-start;gap:10px;flex:1;min-width:0}.question-index[data-v-1edae9f8]{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;padding:4px 8px;border-radius:6px;font-size:.8rem;font-weight:500;flex-shrink:0}.question-content[data-v-1edae9f8]{color:#333;font-weight:500;line-height:1.4;flex:1;min-width:0}.question-stats[data-v-1edae9f8]{display:flex;align-items:center;gap:15px;flex-shrink:0}.correct-rate[data-v-1edae9f8]{color:#666;font-size:.9rem;font-weight:500}.expand-icon[data-v-1edae9f8]{color:#999;font-size:.8rem}.question-details[data-v-1edae9f8]{border-top:1px solid #e1e8ed;padding:20px;background:#f8f9fa}.stats-breakdown[data-v-1edae9f8]{margin-bottom:20px}.stat-breakdown[data-v-1edae9f8]{display:flex;gap:20px}.stat-breakdown-item[data-v-1edae9f8]{flex:1;padding:15px;border-radius:8px;text-align:center}.stat-breakdown-item.correct[data-v-1edae9f8]{background:#e8f5e8;border:1px solid #4caf50}.stat-breakdown-item.incorrect[data-v-1edae9f8]{background:#ffebee;border:1px solid #f44336}.stat-breakdown-item .stat-label[data-v-1edae9f8]{display:block;font-size:.9rem;margin-bottom:5px;font-weight:500}.stat-breakdown-item.correct .stat-label[data-v-1edae9f8]{color:#4caf50}.stat-breakdown-item.incorrect .stat-label[data-v-1edae9f8]{color:#f44336}.stat-breakdown-item .stat-number[data-v-1edae9f8]{display:block;font-size:1.5rem;font-weight:700;margin-bottom:2px}.stat-breakdown-item.correct .stat-number[data-v-1edae9f8]{color:#4caf50}.stat-breakdown-item.incorrect .stat-number[data-v-1edae9f8]{color:#f44336}.stat-breakdown-item .stat-percent[data-v-1edae9f8]{display:block;font-size:.85rem;color:#666}.students-breakdown[data-v-1edae9f8]{display:grid;grid-template-columns:1fr 1fr;gap:20px}.section-title[data-v-1edae9f8]{margin:0 0 12px 0;font-size:1rem;color:#333;font-weight:600}.students-list[data-v-1edae9f8]{display:flex;flex-wrap:wrap;gap:8px;min-height:40px}.student-tag[data-v-1edae9f8]{padding:6px 12px;border-radius:15px;font-size:.8rem;font-weight:500}.student-tag.correct[data-v-1edae9f8]{background:#e8f5e8;color:#4caf50;border:1px solid #4caf50}.student-tag.incorrect[data-v-1edae9f8]{background:#ffebee;color:#f44336;border:1px solid #f44336}.no-data[data-v-1edae9f8]{color:#999;font-size:.85rem;font-style:italic;padding:10px;text-align:center;width:100%}.no-questions[data-v-1edae9f8]{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}.no-questions-content[data-v-1edae9f8]{text-align:center;color:#666}.no-questions-icon[data-v-1edae9f8]{font-size:3rem;margin-bottom:15px}.no-questions-content h3[data-v-1edae9f8]{margin:0 0 10px 0;color:#333}.no-questions-content p[data-v-1edae9f8]{margin:0;font-size:.9rem}.questions-footer[data-v-1edae9f8]{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-top:1px solid #e1e8ed;background:#f8f9fa}@media (max-width:768px){.questions-modal[data-v-1edae9f8]{max-width:95%;width:95%}.overall-stats[data-v-1edae9f8]{grid-template-columns:repeat(2,1fr);margin:0 10px 15px 10px;padding:15px}.question-header[data-v-1edae9f8]{flex-direction:column;align-items:flex-start;gap:10px}.question-stats[data-v-1edae9f8]{align-self:flex-end}.stat-breakdown[data-v-1edae9f8]{flex-direction:column;gap:10px}.students-breakdown[data-v-1edae9f8]{grid-template-columns:1fr;gap:15px}.questions-footer[data-v-1edae9f8]{flex-direction:column;gap:10px}.questions-footer .btn[data-v-1edae9f8]{width:100%}}.questions-list[data-v-1edae9f8]::-webkit-scrollbar{width:6px}.questions-list[data-v-1edae9f8]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.questions-list[data-v-1edae9f8]::-webkit-scrollbar-thumb{background:#fa709a;border-radius:3px}.questions-list[data-v-1edae9f8]::-webkit-scrollbar-thumb:hover{background:#ff6b4a}.modal[data-v-9525f64c]{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}.modal.active[data-v-9525f64c]{display:flex}.modal-content[data-v-9525f64c]{background:#fff;border-radius:10px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.3);animation:modalSlideIn-9525f64c .3s ease}@keyframes modalSlideIn-9525f64c{0%{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}.close-btn[data-v-9525f64c]{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}.close-btn[data-v-9525f64c]:hover{background:#f0f0f0}.filter-section[data-v-9525f64c]{margin-bottom:20px;padding:15px;background:#f8f9fa;border-radius:8px;border:1px solid #e1e8ed}.filter-row[data-v-9525f64c]{display:flex;align-items:flex-end;gap:15px;flex-wrap:wrap}.filter-group[data-v-9525f64c]{display:flex;flex-direction:column;gap:5px}.filter-actions[data-v-9525f64c]{display:flex;gap:10px;margin-left:auto}.exercise-list-container[data-v-9525f64c]{max-height:400px;overflow-y:auto;margin-bottom:20px;border:1px solid #e1e8ed;border-radius:8px}.loading-state[data-v-9525f64c]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;color:#666}.loading-spinner[data-v-9525f64c]{width:30px;height:30px;border:3px solid #f3f3f3;border-top:3px solid #007bff;border-radius:50%;animation:spin-9525f64c 1s linear infinite;margin-bottom:10px}@keyframes spin-9525f64c{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.empty-state[data-v-9525f64c]{text-align:center;padding:40px;color:#666}.empty-icon[data-v-9525f64c]{font-size:2rem;margin-bottom:10px}.exercise-item.selectable[data-v-9525f64c]{display:flex;align-items:flex-start;padding:15px;border-bottom:1px solid #e1e8ed;cursor:pointer;transition:all .2s ease;background:#fff}.exercise-item.selectable[data-v-9525f64c]:hover{background:#f8f9fa}.exercise-item.selectable.selected[data-v-9525f64c]{background:rgba(0,123,255,.1);border-left:3px solid #007bff}.exercise-checkbox[data-v-9525f64c]{margin-right:15px;margin-top:3px;position:relative}.checkbox-input[data-v-9525f64c]{display:none}.checkbox-custom[data-v-9525f64c]{width:18px;height:18px;border:2px solid #ddd;border-radius:3px;display:block;position:relative;transition:all .2s ease}.exercise-item.selected .checkbox-custom[data-v-9525f64c]{background-color:#007bff;border-color:#007bff}.exercise-item.selected .checkbox-custom[data-v-9525f64c]:after{content:"";position:absolute;left:4px;top:1px;width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.exercise-content[data-v-9525f64c]{flex:1}.exercise-header[data-v-9525f64c]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.exercise-title[data-v-9525f64c]{margin:0;color:#333;font-size:1rem;flex:1}.exercise-tags[data-v-9525f64c]{display:flex;gap:8px;margin-left:15px}.tag[data-v-9525f64c]{padding:2px 8px;border-radius:12px;font-size:.75rem;color:#fff}.type-choice[data-v-9525f64c]{background:#2196f3}.type-multiple[data-v-9525f64c]{background:#9c27b0}.type-judge[data-v-9525f64c]{background:#ff9800}.type-fill[data-v-9525f64c]{background:#4caf50}.type-essay[data-v-9525f64c]{background:#795548}.difficulty-easy[data-v-9525f64c]{background:#4caf50}.difficulty-general[data-v-9525f64c]{background:#ff9800}.difficulty-hard[data-v-9525f64c]{background:#f44336}.tag.points[data-v-9525f64c]{background:#607d8b}.exercise-description[data-v-9525f64c]{margin:0 0 8px 0;color:#666;font-size:.9rem;line-height:1.4}.exercise-meta[data-v-9525f64c]{display:flex;gap:15px;font-size:.8rem;color:#888;margin-bottom:8px}.meta-item[data-v-9525f64c]{display:flex;align-items:center}.exercise-options-preview[data-v-9525f64c]{margin-top:8px;padding:8px;background:#f8f9fa;border-radius:4px}.options-title[data-v-9525f64c]{font-size:.8rem;color:#666;margin-bottom:4px}.options-list[data-v-9525f64c]{display:flex;flex-wrap:wrap;gap:10px}.option-preview[data-v-9525f64c]{font-size:.8rem;color:#555}.pagination[data-v-9525f64c]{display:flex;justify-content:center;align-items:center;gap:15px;padding:15px;border-top:1px solid #e1e8ed;background:#f8f9fa}.pagination-info[data-v-9525f64c]{font-size:.9rem;color:#666}.modal-actions[data-v-9525f64c]{display:flex;justify-content:space-between;align-items:center;padding-top:15px;border-top:1px solid #eee}.selected-info[data-v-9525f64c]{color:#e07c3e;font-weight:500}.action-buttons[data-v-9525f64c]{display:flex;gap:10px}.btn[data-v-9525f64c]{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s ease;text-decoration:none;display:inline-block;text-align:center}.btn-primary[data-v-9525f64c]{background:#e07c3e;color:#fff}.btn-primary[data-v-9525f64c]:hover:not(:disabled){background:#e07c3e}.btn-secondary[data-v-9525f64c]{background:#6c757d;color:#fff}.btn-secondary[data-v-9525f64c]:hover:not(:disabled){background:#545b62}.btn[data-v-9525f64c]:disabled{background:#ccc;cursor:not-allowed}.form-label[data-v-9525f64c]{display:block;margin-bottom:4px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-9525f64c]{padding:8px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s;box-sizing:border-box}.form-input[data-v-9525f64c]:focus{outline:none;border-color:#ffd1b1;box-shadow:0 0 0 2px #e07c3e}.history-documents[data-v-37a8f7eb]{margin:20px 0;padding:20px;background:#fff;border-radius:12px;border:1px solid #e1e8ed}.history-header[data-v-37a8f7eb]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:8px}.history-header h5[data-v-37a8f7eb]{margin:0;color:#333;font-size:1rem}.doc-count[data-v-37a8f7eb]{background:#1890ff;color:#fff;padding:4px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.btn-refresh[data-v-37a8f7eb]{background:rgba(24,144,255,.1);color:#1890ff;border:1px solid rgba(24,144,255,.3);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:.8rem;display:flex;align-items:center;gap:4px;transition:all .3s ease}.btn-refresh[data-v-37a8f7eb]:hover:not(:disabled){background:rgba(24,144,255,.2);transform:translateY(-1px)}.btn-refresh[data-v-37a8f7eb]:disabled{opacity:.5;cursor:not-allowed}.refresh-icon[data-v-37a8f7eb]{font-size:.7rem}.documents-grid[data-v-37a8f7eb]{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-bottom:8px}.expand-section[data-v-37a8f7eb]{display:flex;justify-content:center;margin:12px 0;padding:8px 0;border-top:1px dashed #e1e8ed;border-bottom:1px dashed #e1e8ed}.expand-btn[data-v-37a8f7eb]{background:none;border:none;color:#1890ff;cursor:pointer;font-size:.9rem;padding:8px 16px;border-radius:20px;display:flex;align-items:center;gap:6px;transition:all .3s ease}.expand-btn[data-v-37a8f7eb]:hover{background:rgba(24,144,255,.1);transform:translateY(-1px)}.expand-icon[data-v-37a8f7eb]{font-size:.8rem;transition:transform .3s ease}.expand-icon.expanded[data-v-37a8f7eb]{transform:rotate(180deg)}.expand-text[data-v-37a8f7eb]{font-weight:500}.document-item[data-v-37a8f7eb]{display:flex;align-items:center;padding:12px;background:#fafafa;border:2px solid #e1e8ed;border-radius:8px;cursor:pointer;transition:all .3s ease;position:relative}.document-item[data-v-37a8f7eb]:hover{border-color:#1890ff;background:#f0f7ff;transform:translateY(-2px)}.document-item.selected[data-v-37a8f7eb]{border-color:#52c41a;background:linear-gradient(135deg,rgba(82,196,26,.1),rgba(82,196,26,.05))}.document-item.status-waiting[data-v-37a8f7eb]{border-left:4px solid #d9d9d9}.document-item.status-enabled[data-v-37a8f7eb],.document-item.status-processing[data-v-37a8f7eb]{border-left:4px solid #1890ff}.document-item.status-completed[data-v-37a8f7eb]{border-left:4px solid #52c41a}.document-item.status-failed[data-v-37a8f7eb]{border-left:4px solid #ff4d4f}.document-item.status-cancelled[data-v-37a8f7eb]{border-left:4px solid #fa8c16}.doc-icon[data-v-37a8f7eb]{font-size:1.5rem;margin-right:12px;flex-shrink:0}.doc-info[data-v-37a8f7eb]{flex:1;min-width:0}.doc-name[data-v-37a8f7eb]{font-weight:500;color:#333;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-meta[data-v-37a8f7eb]{display:flex;gap:8px;font-size:.75rem;color:#666;margin-bottom:4px}.meta-item[data-v-37a8f7eb]{background:#f5f5f5;padding:2px 6px;border-radius:3px}.doc-status[data-v-37a8f7eb]{font-size:.7rem;padding:2px 6px;border-radius:10px;display:inline-block;font-weight:500}.status-waiting[data-v-37a8f7eb]{background:#f5f5f5;color:#8c8c8c;border:1px solid #d9d9d9}.status-enabled[data-v-37a8f7eb],.status-processing[data-v-37a8f7eb]{background:#e6f7ff;color:#1890ff;border:1px solid #91d5ff}.status-completed[data-v-37a8f7eb]{background:#f6ffed;color:#52c41a;border:1px solid #b7eb8f}.status-failed[data-v-37a8f7eb]{background:#fff1f0;color:#ff4d4f;border:1px solid #ffa39e}.status-cancelled[data-v-37a8f7eb]{background:#fff7e6;color:#fa8c16;border:1px solid #ffd591}.doc-actions[data-v-37a8f7eb]{display:flex;gap:4px;margin-left:8px;flex-shrink:0}.btn-analyze[data-v-37a8f7eb],.btn-preview[data-v-37a8f7eb]{background:none;border:none;font-size:.9rem;cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.btn-preview[data-v-37a8f7eb]{color:#1890ff}.btn-preview[data-v-37a8f7eb]:hover{background:rgba(24,144,255,.1)}.btn-analyze[data-v-37a8f7eb]{color:#fa8c16}.btn-analyze[data-v-37a8f7eb]:hover:not(:disabled){background:rgba(250,140,22,.1)}.btn-analyze[data-v-37a8f7eb]:disabled{opacity:.5;cursor:not-allowed}.btn-delete[data-v-37a8f7eb]{background:none;border:none;font-size:.9rem;cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;color:#ff4d4f}.btn-delete[data-v-37a8f7eb]:hover:not(:disabled){background:rgba(255,77,79,.1);transform:scale(1.1)}.btn-delete[data-v-37a8f7eb]:disabled{opacity:.5;cursor:not-allowed}.documents-actions[data-v-37a8f7eb]{padding:12px;background:#f6ffed;border:1px solid #b7eb8f;border-radius:8px;display:flex;justify-content:space-between;align-items:center;margin-top:16px}.selected-count[data-v-37a8f7eb]{font-weight:500;color:#52c41a}.action-buttons[data-v-37a8f7eb]{display:flex;gap:8px}.btn-danger[data-v-37a8f7eb]{background:#ff4d4f;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:.85rem;transition:all .3s ease}.btn-danger[data-v-37a8f7eb]:hover:not(:disabled){background:#ff7875;transform:translateY(-1px)}.btn-danger[data-v-37a8f7eb]:disabled{opacity:.5;cursor:not-allowed}.btn[data-v-37a8f7eb]{padding:8px 16px;border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .3s ease;border:none}.btn-primary[data-v-37a8f7eb]{background:#1890ff;color:#fff}.btn-primary[data-v-37a8f7eb]:hover:not(:disabled){background:#40a9ff;transform:translateY(-1px)}.btn-secondary[data-v-37a8f7eb]{background:#f5f5f5;color:#666;border:1px solid #d9d9d9}.btn-secondary[data-v-37a8f7eb]:hover:not(:disabled){background:#e6e6e6;transform:translateY(-1px)}.btn[data-v-37a8f7eb]:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.preview-modal[data-v-37a8f7eb]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.preview-container[data-v-37a8f7eb]{background:#fff;border-radius:12px;max-width:800px;width:100%;max-height:80vh;display:flex;flex-direction:column}.preview-header[data-v-37a8f7eb]{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e1e8ed}.preview-header h4[data-v-37a8f7eb]{margin:0;color:#333;font-size:1.1rem}.close-btn[data-v-37a8f7eb]{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px}.close-btn[data-v-37a8f7eb]:hover{background:#f5f5f5;color:#333}.preview-body[data-v-37a8f7eb]{flex:1;overflow-y:auto;padding:20px}.image-preview-content[data-v-37a8f7eb]{text-align:center}.preview-image[data-v-37a8f7eb]{max-width:100%;max-height:400px;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1)}.document-preview-content[data-v-37a8f7eb]{text-align:center;padding:40px 20px}.document-icon[data-v-37a8f7eb]{font-size:3rem;margin-bottom:16px;color:#1890ff}.document-info[data-v-37a8f7eb]{font-size:.9rem;color:#666}.document-info p[data-v-37a8f7eb]{margin:8px 0}.file-name[data-v-37a8f7eb]{font-weight:500;font-size:1rem;color:#333}.preview-footer[data-v-37a8f7eb]{padding:16px 20px;border-top:1px solid #e1e8ed;display:flex;justify-content:flex-end;gap:12px}@media (max-width:768px){.documents-grid[data-v-37a8f7eb]{grid-template-columns:1fr}.history-header[data-v-37a8f7eb]{flex-direction:column;align-items:flex-start;gap:8px}.btn-refresh[data-v-37a8f7eb]{align-self:flex-start}.documents-actions[data-v-37a8f7eb]{flex-direction:column;gap:12px;align-items:stretch}.action-buttons[data-v-37a8f7eb]{justify-content:flex-end}.expand-section[data-v-37a8f7eb]{margin:8px 0}.expand-btn[data-v-37a8f7eb]{padding:6px 12px;font-size:.85rem}}.single-choice-editor[data-v-c07f0adc]{margin-top:12px}.section[data-v-c07f0adc]{margin-bottom:16px;padding:14px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-header[data-v-c07f0adc]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title[data-v-c07f0adc]{margin:0;color:#333;font-size:.95rem;display:flex;align-items:center;gap:6px}.section-hint[data-v-c07f0adc]{font-size:.8rem;color:#666;padding:3px 8px;background:#f5f5f5;border-radius:10px}.options-container[data-v-c07f0adc]{margin-bottom:12px}.option-item[data-v-c07f0adc]{background:#f9f9f9;border:1px solid #e1e8ed;border-radius:6px;padding:10px;margin-bottom:8px;transition:all .2s ease}.option-item[data-v-c07f0adc]:hover{border-color:#fa709a;background:#fff5f7}.option-header[data-v-c07f0adc]{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.option-left[data-v-c07f0adc]{display:flex;align-items:center;gap:10px}.option-label[data-v-c07f0adc]{font-weight:700;color:#fa709a;font-size:.95rem;min-width:20px}.btn-remove-option[data-v-c07f0adc]{background:none;border:none;color:#ff6b6b;font-size:1.1rem;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:3px;transition:all .2s ease}.btn-remove-option[data-v-c07f0adc]:hover{background:#ffebee;transform:scale(1.1)}.option-content[data-v-c07f0adc]{position:relative}.option-textarea[data-v-c07f0adc]{width:100%;padding:8px 10px;border:1px solid #e1e8ed;border-radius:4px;font-size:.85rem;font-family:inherit;resize:vertical;min-height:50px;max-height:80px;box-sizing:border-box;transition:border-color .2s ease;line-height:1.4}.option-textarea[data-v-c07f0adc]:focus{border-color:#fa709a;outline:none;box-shadow:0 0 0 1px rgba(250,112,154,.1)}.character-count[data-v-c07f0adc]{position:absolute;bottom:4px;right:8px;font-size:.75rem;color:#888;background:hsla(0,0%,100%,.9);padding:1px 4px;border-radius:3px}.options-actions[data-v-c07f0adc]{display:flex;gap:8px;flex-wrap:wrap}.btn-add-option[data-v-c07f0adc],.btn-clear-options[data-v-c07f0adc]{padding:6px 12px;border-radius:4px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-add-option[data-v-c07f0adc]{background:#f0f9ff;border:1px dashed #2196f3;color:#2196f3}.btn-add-option[data-v-c07f0adc]:hover{background:#e3f2fd;border-style:solid}.btn-clear-options[data-v-c07f0adc]{background:#fff3e0;border:1px solid #ff9800;color:#ff9800}.btn-clear-options[data-v-c07f0adc]:hover{background:#ffe0b2}.answer-container[data-v-c07f0adc]{margin-top:6px}.answer-hint[data-v-c07f0adc]{margin-bottom:12px;color:#666;font-size:.85rem}.answer-grid[data-v-c07f0adc]{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;margin-bottom:16px}.answer-option[data-v-c07f0adc]{display:flex;align-items:center;padding:10px;border:1px solid #e1e8ed;border-radius:6px;cursor:pointer;transition:all .2s ease;background:#fff;position:relative}.answer-option[data-v-c07f0adc]:hover{border-color:#feb47b;transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.1)}.answer-option.selected[data-v-c07f0adc]{border-color:#4caf50;background:#f1f8e9;box-shadow:0 2px 6px rgba(76,175,80,.2)}.answer-option.empty[data-v-c07f0adc]{opacity:.5;cursor:not-allowed;background:#f5f5f5}.answer-radio[data-v-c07f0adc]{margin-right:8px;accent-color:#4caf50;transform:scale(1.1)}.answer-label[data-v-c07f0adc]{font-weight:700;color:#333;min-width:22px;margin-right:8px;font-size:.95rem}.answer-preview[data-v-c07f0adc]{flex:1;color:#666;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-options[data-v-c07f0adc]{text-align:center;padding:20px;color:#999;border:1px dashed #e1e8ed;border-radius:6px;background:#fafafa;font-size:.85rem}.selected-answer[data-v-c07f0adc]{padding:14px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:6px;border-left:4px solid #4caf50;animation:fadeIn-c07f0adc .3s ease}.selected-header[data-v-c07f0adc]{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:.9rem}.answer-tag[data-v-c07f0adc]{display:inline-block;padding:4px 12px;background:#4caf50;color:#fff;border-radius:16px;font-weight:700;font-size:.95rem;animation:pulse-c07f0adc 2s infinite}.answer-content[data-v-c07f0adc]{padding:10px;background:#fff;border-radius:4px;border:1px solid #c8e6c9;line-height:1.4;font-size:.85rem;box-shadow:0 1px 2px rgba(0,0,0,.05)}@keyframes fadeIn-c07f0adc{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-c07f0adc{0%{box-shadow:0 0 0 0 rgba(76,175,80,.4)}70%{box-shadow:0 0 0 6px rgba(76,175,80,0)}to{box-shadow:0 0 0 0 rgba(76,175,80,0)}}.multi-choice-editor[data-v-09eaf6b8]{margin-top:12px}.section[data-v-09eaf6b8]{margin-bottom:16px;padding:14px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-header[data-v-09eaf6b8]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title[data-v-09eaf6b8]{margin:0;color:#333;font-size:.95rem;display:flex;align-items:center;gap:6px}.section-hint[data-v-09eaf6b8]{font-size:.8rem;color:#666;padding:3px 8px;background:#f5f5f5;border-radius:10px}.options-container[data-v-09eaf6b8]{margin-bottom:12px}.option-item[data-v-09eaf6b8]{background:#f9f9f9;border:1px solid #e1e8ed;border-radius:6px;padding:10px;margin-bottom:8px;transition:all .2s ease}.option-item[data-v-09eaf6b8]:hover{border-color:#fa709a;background:#fff5f7}.option-header[data-v-09eaf6b8]{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.option-left[data-v-09eaf6b8]{display:flex;align-items:center;gap:10px}.option-label[data-v-09eaf6b8]{font-weight:700;color:#fa709a;font-size:.95rem;min-width:20px}.btn-remove-option[data-v-09eaf6b8]{background:none;border:none;color:#ff6b6b;font-size:1.1rem;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:3px;transition:all .2s ease}.btn-remove-option[data-v-09eaf6b8]:hover{background:#ffebee;transform:scale(1.1)}.option-content[data-v-09eaf6b8]{position:relative}.option-textarea[data-v-09eaf6b8]{width:100%;padding:8px 10px;border:1px solid #e1e8ed;border-radius:4px;font-size:.85rem;font-family:inherit;resize:vertical;min-height:50px;max-height:80px;box-sizing:border-box;transition:border-color .2s ease;line-height:1.4}.option-textarea[data-v-09eaf6b8]:focus{border-color:#fa709a;outline:none;box-shadow:0 0 0 1px rgba(250,112,154,.1)}.character-count[data-v-09eaf6b8]{position:absolute;bottom:4px;right:8px;font-size:.75rem;color:#888;background:hsla(0,0%,100%,.9);padding:1px 4px;border-radius:3px}.options-actions[data-v-09eaf6b8]{display:flex;gap:8px;flex-wrap:wrap}.btn-add-option[data-v-09eaf6b8],.btn-clear-options[data-v-09eaf6b8]{padding:6px 12px;border-radius:4px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-add-option[data-v-09eaf6b8]{background:#f0f9ff;border:1px dashed #2196f3;color:#2196f3}.btn-add-option[data-v-09eaf6b8]:hover{background:#e3f2fd;border-style:solid}.btn-clear-options[data-v-09eaf6b8]{background:#fff3e0;border:1px solid #ff9800;color:#ff9800}.btn-clear-options[data-v-09eaf6b8]:hover{background:#ffe0b2}.answer-container[data-v-09eaf6b8]{margin-top:6px}.answer-hint[data-v-09eaf6b8]{margin-bottom:12px;color:#666;font-size:.85rem}.answer-grid[data-v-09eaf6b8]{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;margin-bottom:16px}.answer-option[data-v-09eaf6b8]{display:flex;align-items:center;padding:10px;border:1px solid #e1e8ed;border-radius:6px;cursor:pointer;transition:all .2s ease;background:#fff;position:relative}.answer-option[data-v-09eaf6b8]:hover{border-color:#feb47b;transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.1)}.answer-option.selected[data-v-09eaf6b8]{border-color:#4caf50;background:#f1f8e9;box-shadow:0 2px 6px rgba(76,175,80,.2)}.answer-option.empty[data-v-09eaf6b8]{opacity:.5;cursor:not-allowed;background:#f5f5f5}.answer-checkbox[data-v-09eaf6b8]{margin-right:8px;accent-color:#4caf50;transform:scale(1.1)}.answer-label[data-v-09eaf6b8]{font-weight:700;color:#333;min-width:22px;margin-right:8px;font-size:.95rem}.answer-preview[data-v-09eaf6b8]{flex:1;color:#666;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-options[data-v-09eaf6b8]{text-align:center;padding:20px;color:#999;border:1px dashed #e1e8ed;border-radius:6px;background:#fafafa;font-size:.85rem}.selected-answer[data-v-09eaf6b8]{padding:14px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:6px;border-left:4px solid #4caf50;animation:fadeIn-09eaf6b8 .3s ease}.selected-header[data-v-09eaf6b8]{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;font-size:.9rem}.selected-header strong[data-v-09eaf6b8]{white-space:nowrap;line-height:28px}.answer-tags-container[data-v-09eaf6b8]{display:flex;flex-wrap:wrap;gap:6px}.answer-tag[data-v-09eaf6b8]{display:inline-flex;align-items:center;gap:6px;padding:4px 10px 4px 12px;background:#4caf50;color:#fff;border-radius:16px;font-weight:700;font-size:.85rem;animation:pulse-09eaf6b8 2s infinite}.btn-remove-tag[data-v-09eaf6b8]{background:hsla(0,0%,100%,.2);border:none;color:#fff;font-size:.9rem;cursor:pointer;width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.btn-remove-tag[data-v-09eaf6b8]:hover{background:hsla(0,0%,100%,.3);transform:scale(1.1)}.answers-content[data-v-09eaf6b8]{display:flex;flex-direction:column;gap:8px}.answer-content-item[data-v-09eaf6b8]{display:flex;align-items:flex-start;gap:10px;padding:10px;background:#fff;border-radius:4px;border:1px solid #c8e6c9;line-height:1.4;font-size:.85rem;box-shadow:0 1px 2px rgba(0,0,0,.05)}.answer-tag-mini[data-v-09eaf6b8]{flex-shrink:0;display:inline-block;padding:2px 8px;background:#4caf50;color:#fff;border-radius:12px;font-weight:700;font-size:.8rem;min-width:24px;text-align:center}.answer-text[data-v-09eaf6b8]{flex:1;word-break:break-word}@keyframes fadeIn-09eaf6b8{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-09eaf6b8{0%{box-shadow:0 0 0 0 rgba(76,175,80,.4)}70%{box-shadow:0 0 0 6px rgba(76,175,80,0)}to{box-shadow:0 0 0 0 rgba(76,175,80,0)}}.fill-editor[data-v-3ec25a6f]{margin-top:12px}.section[data-v-3ec25a6f]{margin-bottom:16px;padding:14px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-intro[data-v-3ec25a6f]{border-left:4px solid #9c27b0;background:linear-gradient(135deg,#f3e5f5,#e8eaf6)}.intro-header[data-v-3ec25a6f]{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap;gap:12px}.intro-title[data-v-3ec25a6f]{margin:0;color:#7b1fa2;font-size:.95rem}.fill-count-info[data-v-3ec25a6f],.intro-title[data-v-3ec25a6f]{display:flex;align-items:center;gap:6px}.fill-label[data-v-3ec25a6f]{font-size:.85rem;color:#666}.fill-count[data-v-3ec25a6f]{font-size:1rem;font-weight:700;color:#9c27b0;padding:3px 10px;background:#fff;border-radius:12px;min-width:24px;text-align:center}.intro-content[data-v-3ec25a6f]{color:#666;font-size:.85rem;line-height:1.5}.intro-content p[data-v-3ec25a6f]{margin:4px 0}.underline-example[data-v-3ec25a6f]{display:inline-block;font-family:monospace;color:#9c27b0;font-weight:700;background:#f3e5f5;padding:1px 4px;border-radius:3px;border-bottom:2px solid #9c27b0}.section-header[data-v-3ec25a6f]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title[data-v-3ec25a6f]{margin:0;color:#333;font-size:.95rem;display:flex;align-items:center;gap:6px}.section-hint[data-v-3ec25a6f]{font-size:.8rem;color:#666;padding:3px 8px;background:#f5f5f5;border-radius:10px}.empty-blanks[data-v-3ec25a6f]{text-align:center;padding:30px 20px;color:#999;border:2px dashed #e1e8ed;border-radius:8px;background:#fafafa;margin-bottom:16px}.empty-icon[data-v-3ec25a6f]{font-size:2.5rem;margin-bottom:12px}.empty-text[data-v-3ec25a6f]{font-size:.9rem}.empty-text p[data-v-3ec25a6f]{margin:6px 0}.empty-text code[data-v-3ec25a6f]{background:#f5f5f5;padding:2px 6px;border-radius:4px;font-family:monospace;color:#9c27b0}.blanks-container[data-v-3ec25a6f]{margin-bottom:12px}.blank-item[data-v-3ec25a6f]{background:#f9f9f9;border:1px solid #e1e8ed;border-radius:6px;padding:12px;margin-bottom:16px;transition:all .2s ease}.blank-item[data-v-3ec25a6f]:hover{border-color:#9c27b0;background:#f3e5f5}.blank-header[data-v-3ec25a6f]{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.blank-left[data-v-3ec25a6f]{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.blank-index[data-v-3ec25a6f]{font-weight:700;color:#9c27b0;font-size:.9rem;min-width:60px}.blank-hint[data-v-3ec25a6f]{font-size:.75rem;color:#999;font-style:italic}.btn-remove-blank[data-v-3ec25a6f]{background:none;border:none;color:#ff6b6b;font-size:1.1rem;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:3px;transition:all .2s ease}.btn-remove-blank[data-v-3ec25a6f]:hover{background:#ffebee;transform:scale(1.1)}.blank-content[data-v-3ec25a6f]{position:relative;margin-bottom:10px}.blank-textarea[data-v-3ec25a6f]{width:100%;padding:10px 12px;border:1px solid #e1e8ed;border-radius:4px;font-size:.9rem;font-family:inherit;resize:vertical;min-height:60px;max-height:120px;box-sizing:border-box;transition:border-color .2s ease;line-height:1.5}.blank-textarea[data-v-3ec25a6f]:focus{border-color:#9c27b0;outline:none;box-shadow:0 0 0 2px rgba(156,39,176,.1)}.character-count[data-v-3ec25a6f]{position:absolute;bottom:8px;right:12px;font-size:.75rem;color:#888;background:hsla(0,0%,100%,.9);padding:2px 6px;border-radius:4px}.blank-example[data-v-3ec25a6f]{padding:8px 12px;background:rgba(156,39,176,.05);border-radius:4px;border-left:3px solid #9c27b0}.example-label[data-v-3ec25a6f]{font-size:.8rem;color:#666;margin-right:8px}.example-text[data-v-3ec25a6f]{font-size:.8rem;color:#7b1fa2;font-style:italic}.blanks-actions[data-v-3ec25a6f]{display:flex;flex-wrap:wrap;gap:8px}.btn-add-blank[data-v-3ec25a6f],.btn-clear-blanks[data-v-3ec25a6f],.btn-sync-blanks[data-v-3ec25a6f]{padding:8px 16px;border-radius:4px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.btn-add-blank[data-v-3ec25a6f]{background:#f3e5f5;border:1px solid #9c27b0;color:#9c27b0}.btn-add-blank[data-v-3ec25a6f]:hover{background:#e1bee7}.btn-clear-blanks[data-v-3ec25a6f]{background:#f5f5f5;border:1px solid #9e9e9e;color:#616161}.btn-clear-blanks[data-v-3ec25a6f]:hover{background:#e0e0e0}.btn-sync-blanks[data-v-3ec25a6f]{background:#e8eaf6;border:1px solid #3f51b5;color:#3f51b5;display:flex;align-items:center;gap:6px}.btn-sync-blanks[data-v-3ec25a6f]:hover{background:#c5cae9}.preview-container[data-v-3ec25a6f]{margin-top:6px}.preview-hint[data-v-3ec25a6f]{margin-bottom:16px;color:#666;font-size:.85rem;font-weight:500}.preview-list[data-v-3ec25a6f]{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.preview-item[data-v-3ec25a6f]{background:#f9f9f9;border:1px solid #e1e8ed;border-radius:6px;padding:12px;transition:all .2s ease}.preview-item[data-v-3ec25a6f]:hover{border-color:#9c27b0;background:#f3e5f5}.preview-header[data-v-3ec25a6f]{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;flex-wrap:wrap;gap:8px}.preview-number[data-v-3ec25a6f]{font-weight:700;color:#9c27b0;font-size:.9rem}.preview-label[data-v-3ec25a6f]{font-size:.8rem;color:#666;background:#fff;padding:2px 8px;border-radius:12px}.preview-length[data-v-3ec25a6f]{font-size:.75rem;color:#888;background:#fff;padding:2px 8px;border-radius:12px}.preview-content[data-v-3ec25a6f]{color:#666;font-size:.85rem;line-height:1.5;white-space:pre-wrap;word-break:break-word;max-height:80px;overflow-y:auto;padding-right:4px}.preview-content[data-v-3ec25a6f]::-webkit-scrollbar{width:4px}.preview-content[data-v-3ec25a6f]::-webkit-scrollbar-thumb{background:#9c27b0;border-radius:2px}.preview-summary[data-v-3ec25a6f]{display:flex;gap:20px;padding:16px;background:linear-gradient(135deg,#f5f5f5,#e0e0e0);border-radius:8px;flex-wrap:wrap;margin-bottom:16px}.summary-item[data-v-3ec25a6f]{display:flex;align-items:center;gap:6px}.summary-label[data-v-3ec25a6f]{font-size:.85rem;color:#666}.summary-value[data-v-3ec25a6f]{font-size:.9rem;font-weight:500;padding:3px 8px;border-radius:4px;background:#fff}.preview-format[data-v-3ec25a6f]{padding:12px 16px;background:#e8eaf6;border-radius:6px;border-left:4px solid #3f51b5}.format-title[data-v-3ec25a6f]{font-size:.85rem;font-weight:700;color:#3f51b5;margin-bottom:6px}.format-content[data-v-3ec25a6f]{font-size:.8rem;color:#666;line-height:1.4}.format-example[data-v-3ec25a6f]{display:inline-block;font-family:monospace;background:#fff;padding:4px 8px;border-radius:4px;color:#9c27b0;margin-top:4px}.empty-preview[data-v-3ec25a6f]{text-align:center;padding:30px 20px;color:#999;border:2px dashed #e1e8ed;border-radius:8px;background:#fafafa}@keyframes fadeIn-3ec25a6f{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.short-answer-editor[data-v-a4d1d0ca]{margin-top:12px}.section[data-v-a4d1d0ca]{margin-bottom:16px;padding:14px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-intro[data-v-a4d1d0ca]{border-left:4px solid #ff9800;background:linear-gradient(135deg,#fff3e0,#ffecb3)}.intro-header[data-v-a4d1d0ca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap;gap:12px}.intro-title[data-v-a4d1d0ca]{margin:0;color:#f57c00;font-size:.95rem;display:flex;align-items:center;gap:6px}.answer-mode-selector[data-v-a4d1d0ca]{display:flex;align-items:center;gap:8px}.mode-label[data-v-a4d1d0ca]{font-size:.85rem;color:#666}.mode-buttons[data-v-a4d1d0ca]{display:flex;gap:4px;background:#f5f5f5;border-radius:20px;padding:2px}.mode-btn[data-v-a4d1d0ca]{padding:6px 12px;border:none;border-radius:16px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease;background:transparent;color:#666}.mode-btn[data-v-a4d1d0ca]:hover{background:rgba(255,152,0,.1)}.mode-btn.active[data-v-a4d1d0ca]{background:#ff9800;color:#fff}.intro-content[data-v-a4d1d0ca]{color:#666;font-size:.85rem;line-height:1.5}.intro-content p[data-v-a4d1d0ca]{margin:4px 0}.section-header[data-v-a4d1d0ca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title[data-v-a4d1d0ca]{margin:0;color:#333;font-size:.95rem;display:flex;align-items:center;gap:6px}.section-hint[data-v-a4d1d0ca]{font-size:.8rem;color:#666;padding:3px 8px;background:#f5f5f5;border-radius:10px}.answers-container[data-v-a4d1d0ca]{margin-bottom:12px}.answer-item[data-v-a4d1d0ca]{background:#f9f9f9;border:1px solid #e1e8ed;border-radius:6px;padding:10px;margin-bottom:12px;transition:all .2s ease}.answer-item[data-v-a4d1d0ca]:hover{border-color:#ff9800;background:#fff3e0}.answer-header[data-v-a4d1d0ca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.answer-left[data-v-a4d1d0ca]{display:flex;align-items:center;gap:10px}.answer-index[data-v-a4d1d0ca]{font-weight:700;color:#ff9800;font-size:.9rem;min-width:60px}.answer-hint[data-v-a4d1d0ca]{font-size:.75rem;color:#999;font-style:italic}.btn-remove-answer[data-v-a4d1d0ca]{background:none;border:none;color:#ff6b6b;font-size:1.1rem;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:3px;transition:all .2s ease}.btn-remove-answer[data-v-a4d1d0ca]:hover{background:#ffebee;transform:scale(1.1)}.answer-content[data-v-a4d1d0ca]{position:relative}.answer-textarea[data-v-a4d1d0ca]{width:100%;padding:12px;border:1px solid #e1e8ed;border-radius:4px;font-size:.9rem;font-family:inherit;resize:vertical;min-height:80px;max-height:150px;box-sizing:border-box;transition:border-color .2s ease;line-height:1.5}.answer-textarea[data-v-a4d1d0ca]:focus{border-color:#ff9800;outline:none;box-shadow:0 0 0 2px rgba(255,152,0,.1)}.character-count[data-v-a4d1d0ca]{position:absolute;bottom:8px;right:12px;font-size:.75rem;color:#888;background:hsla(0,0%,100%,.9);padding:2px 6px;border-radius:4px}.answers-actions[data-v-a4d1d0ca]{display:flex;flex-direction:column;gap:12px}.answers-actions .buttons-row[data-v-a4d1d0ca]{display:flex;gap:8px;flex-wrap:wrap}.btn-add-answer[data-v-a4d1d0ca],.btn-clear-answers[data-v-a4d1d0ca]{padding:8px 16px;border-radius:4px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.btn-add-answer[data-v-a4d1d0ca]{background:#fff3e0;border:1px solid #ff9800;color:#ff9800}.btn-add-answer[data-v-a4d1d0ca]:hover{background:#ffe0b2}.btn-clear-answers[data-v-a4d1d0ca]{background:#f5f5f5;border:1px solid #9e9e9e;color:#616161}.btn-clear-answers[data-v-a4d1d0ca]:hover{background:#e0e0e0}.mode-switch-hint[data-v-a4d1d0ca]{display:flex;align-items:center;gap:6px;font-size:.8rem;color:#ff9800;padding:8px 12px;background:rgba(255,152,0,.1);border-radius:4px}.hint-icon[data-v-a4d1d0ca]{font-size:.9rem}.preview-container[data-v-a4d1d0ca]{margin-top:6px}.preview-hint[data-v-a4d1d0ca]{margin-bottom:16px;color:#666;font-size:.85rem;font-weight:500}.preview-list[data-v-a4d1d0ca]{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.preview-item[data-v-a4d1d0ca]{background:#f9f9f9;border:1px solid #e1e8ed;border-radius:6px;padding:12px;transition:all .2s ease}.preview-item[data-v-a4d1d0ca]:hover{border-color:#ff9800;background:#fff3e0}.preview-header[data-v-a4d1d0ca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.preview-number[data-v-a4d1d0ca]{font-weight:700;color:#ff9800;font-size:.9rem}.preview-length[data-v-a4d1d0ca]{font-size:.75rem;color:#888;background:#fff;padding:2px 8px;border-radius:12px}.preview-content[data-v-a4d1d0ca]{color:#666;font-size:.85rem;line-height:1.5;white-space:pre-wrap;word-break:break-word;max-height:80px;overflow-y:auto;padding-right:4px}.preview-content[data-v-a4d1d0ca]::-webkit-scrollbar{width:4px}.preview-content[data-v-a4d1d0ca]::-webkit-scrollbar-thumb{background:#ff9800;border-radius:2px}.preview-summary[data-v-a4d1d0ca]{display:flex;gap:20px;padding:16px;background:linear-gradient(135deg,#f5f5f5,#e0e0e0);border-radius:8px;flex-wrap:wrap}.summary-item[data-v-a4d1d0ca]{display:flex;align-items:center;gap:6px}.summary-label[data-v-a4d1d0ca]{font-size:.85rem;color:#666}.summary-value[data-v-a4d1d0ca]{font-size:.9rem;font-weight:500;padding:3px 8px;border-radius:4px;background:#fff}.mode-single[data-v-a4d1d0ca]{color:#4caf50}.mode-multiple[data-v-a4d1d0ca]{color:#2196f3}.empty-preview[data-v-a4d1d0ca]{text-align:center;padding:30px 20px;color:#999;border:2px dashed #e1e8ed;border-radius:8px;background:#fafafa}.empty-icon[data-v-a4d1d0ca]{font-size:2.5rem;margin-bottom:12px}.empty-text[data-v-a4d1d0ca]{font-size:.9rem}.empty-text p[data-v-a4d1d0ca]{margin:6px 0}@keyframes fadeIn-a4d1d0ca{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.judge-editor[data-v-55e49a5b]{margin-top:12px}.section[data-v-55e49a5b]{margin-bottom:16px;padding:14px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-intro[data-v-55e49a5b]{border-left:4px solid #673ab7;background:linear-gradient(135deg,#f3e5f5,#e8eaf6)}.intro-header[data-v-55e49a5b]{margin-bottom:10px}.intro-title[data-v-55e49a5b]{margin:0;color:#5e35b1;font-size:.95rem;display:flex;align-items:center;gap:6px}.intro-content[data-v-55e49a5b]{color:#666;font-size:.85rem;line-height:1.5}.intro-content p[data-v-55e49a5b]{margin:4px 0}.label-correct[data-v-55e49a5b]{background:#4caf50}.label-correct[data-v-55e49a5b],.label-wrong[data-v-55e49a5b]{display:inline-block;padding:2px 6px;color:#fff;border-radius:4px;font-weight:700;font-size:.8rem}.label-wrong[data-v-55e49a5b]{background:#f44336}.section-title[data-v-55e49a5b]{margin:0 0 12px 0;color:#333;font-size:.95rem;display:flex;align-items:center;gap:6px}.answer-container[data-v-55e49a5b]{margin-top:6px}.answer-hint[data-v-55e49a5b]{margin-bottom:16px;color:#666;font-size:.85rem}.judge-options-grid[data-v-55e49a5b]{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-bottom:20px}.judge-option[data-v-55e49a5b]{display:flex;flex-direction:column;padding:20px;border:2px solid #e1e8ed;border-radius:10px;cursor:pointer;transition:all .3s ease;background:#fff;position:relative;min-height:120px}.judge-option[data-v-55e49a5b]:hover{transform:translateY(-3px);box-shadow:0 6px 12px rgba(0,0,0,.1)}.judge-option.selected[data-v-55e49a5b]{box-shadow:0 6px 15px rgba(0,0,0,.15);transform:translateY(-3px)}.judge-correct[data-v-55e49a5b]{border-color:#c8e6c9}.judge-correct[data-v-55e49a5b]:hover{border-color:#4caf50}.judge-correct.selected[data-v-55e49a5b]{border-color:#4caf50;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);animation:pulseCorrect-55e49a5b 2s infinite}.judge-wrong[data-v-55e49a5b]{border-color:#ffcdd2}.judge-wrong[data-v-55e49a5b]:hover{border-color:#f44336}.judge-wrong.selected[data-v-55e49a5b]{border-color:#f44336;background:linear-gradient(135deg,#ffebee,#ffcdd2);animation:pulseWrong-55e49a5b 2s infinite}.judge-label[data-v-55e49a5b]{display:flex;align-items:center;gap:12px;margin-bottom:12px}.judge-icon[data-v-55e49a5b]{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;font-size:1.2rem;font-weight:700}.judge-correct .judge-icon[data-v-55e49a5b]{background:#4caf50;color:#fff}.judge-wrong .judge-icon[data-v-55e49a5b]{background:#f44336;color:#fff}.judge-text[data-v-55e49a5b]{font-weight:700;font-size:1.1rem;color:#333}.judge-description[data-v-55e49a5b]{flex:1;color:#666;font-size:.85rem;line-height:1.5;padding-left:48px}.answer-radio[data-v-55e49a5b]{position:absolute;top:15px;right:15px;accent-color:#673ab7;transform:scale(1.3)}.empty-answer[data-v-55e49a5b]{text-align:center;padding:30px 20px;color:#999;border:2px dashed #e1e8ed;border-radius:8px;background:#fafafa}.empty-icon[data-v-55e49a5b]{font-size:2.5rem;margin-bottom:12px}.empty-text[data-v-55e49a5b]{font-size:.9rem}.empty-text p[data-v-55e49a5b]{margin:6px 0}.selected-answer[data-v-55e49a5b]{padding:20px;border-radius:8px;border-left:5px solid #673ab7;animation:fadeIn-55e49a5b .5s ease;background:linear-gradient(135deg,#f3e5f5,#e8eaf6)}.selected-header[data-v-55e49a5b]{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:.95rem}.answer-tag[data-v-55e49a5b]{display:inline-block;padding:6px 16px;color:#fff;border-radius:20px;font-weight:700;font-size:1rem;animation:pulse-55e49a5b 2s infinite}.answer-correct[data-v-55e49a5b]{background:#4caf50;box-shadow:0 4px 8px rgba(76,175,80,.3)}.answer-wrong[data-v-55e49a5b]{background:#f44336;box-shadow:0 4px 8px rgba(244,67,54,.3)}.answer-content[data-v-55e49a5b]{padding:16px;background:#fff;border-radius:6px;border:1px solid #d1c4e9;line-height:1.5;font-size:.9rem;color:#666;margin-bottom:16px;box-shadow:0 2px 4px rgba(0,0,0,.05)}.judge-hint[data-v-55e49a5b]{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#e3f2fd;border-radius:6px;border-left:4px solid #2196f3}.hint-icon[data-v-55e49a5b]{font-size:1.2rem}.hint-text[data-v-55e49a5b]{font-size:.85rem;color:#1565c0;line-height:1.4}@keyframes fadeIn-55e49a5b{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-55e49a5b{0%{box-shadow:0 0 0 0 rgba(103,58,183,.4)}70%{box-shadow:0 0 0 10px rgba(103,58,183,0)}to{box-shadow:0 0 0 0 rgba(103,58,183,0)}}@keyframes pulseCorrect-55e49a5b{0%{box-shadow:0 0 0 0 rgba(76,175,80,.4)}70%{box-shadow:0 0 0 10px rgba(76,175,80,0)}to{box-shadow:0 0 0 0 rgba(76,175,80,0)}}@keyframes pulseWrong-55e49a5b{0%{box-shadow:0 0 0 0 rgba(244,67,54,.4)}70%{box-shadow:0 0 0 10px rgba(244,67,54,0)}to{box-shadow:0 0 0 0 rgba(244,67,54,0)}}.compose-editor[data-v-8b276ec2]{margin-top:12px}.section[data-v-8b276ec2]{margin-bottom:16px;padding:14px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-header[data-v-8b276ec2]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title[data-v-8b276ec2]{margin:0;color:#333;font-size:.95rem;display:flex;align-items:center;gap:6px}.section-hint[data-v-8b276ec2]{font-size:.8rem;color:#666;padding:3px 8px;background:#f5f5f5;border-radius:10px}.editor-field[data-v-8b276ec2]{margin-bottom:16px}.field-label[data-v-8b276ec2]{display:block;margin-bottom:6px;font-weight:500;color:#555;font-size:.85rem}.textarea-container[data-v-8b276ec2]{position:relative}.compose-textarea[data-v-8b276ec2]{width:100%;padding:10px 12px;border:1px solid #e1e8ed;border-radius:6px;font-size:.85rem;font-family:inherit;resize:vertical;line-height:1.5;box-sizing:border-box;transition:all .2s ease}.compose-textarea[data-v-8b276ec2]:focus{border-color:#2196f3;outline:none;box-shadow:0 0 0 2px rgba(33,150,243,.1)}.textarea-hint[data-v-8b276ec2]{margin-top:4px;font-size:.75rem;color:#888;line-height:1.3}.settings-grid[data-v-8b276ec2]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}.setting-item[data-v-8b276ec2]{padding:12px;background:#f9f9f9;border-radius:6px;border:1px solid #e1e8ed}.setting-label[data-v-8b276ec2]{display:block;margin-bottom:6px;font-weight:500;color:#555;font-size:.85rem}.difficulty-select[data-v-8b276ec2]{width:100%;padding:8px 10px;border:1px solid #e1e8ed;border-radius:4px;font-size:.85rem;background:#fff;cursor:pointer;transition:border-color .2s ease}.difficulty-select[data-v-8b276ec2]:focus{border-color:#2196f3;outline:none}.setting-hint[data-v-8b276ec2]{margin-top:4px;font-size:.75rem;color:#888}.score-input-container[data-v-8b276ec2]{position:relative;display:flex;align-items:center}.score-input[data-v-8b276ec2]{flex:1;padding:8px 10px;padding-right:30px;border:1px solid #e1e8ed;border-radius:4px;font-size:.85rem;background:#fff;transition:border-color .2s ease}.score-input[data-v-8b276ec2]:focus{border-color:#2196f3;outline:none}.score-unit[data-v-8b276ec2]{position:absolute;right:10px;color:#666;font-size:.85rem}.preview-section[data-v-8b276ec2]{padding:14px;background:linear-gradient(135deg,#f5f7fa,#e4e8f0);border-radius:6px;border:1px solid #e1e8ed}.preview-header[data-v-8b276ec2]{margin-bottom:12px;font-weight:600;color:#333;font-size:.9rem}.preview-content[data-v-8b276ec2]{background:#fff;padding:16px;border-radius:4px;border:1px solid #e1e8ed}.preview-title[data-v-8b276ec2]{margin-bottom:16px}.preview-explain[data-v-8b276ec2]{margin-bottom:16px;padding-top:16px;border-top:1px dashed #e1e8ed}.preview-explain strong[data-v-8b276ec2],.preview-title strong[data-v-8b276ec2]{display:block;margin-bottom:6px;color:#333;font-size:.9rem}.preview-text[data-v-8b276ec2]{white-space:pre-wrap;line-height:1.6;color:#555;font-size:.85rem;padding:8px;background:#f9f9f9;border-radius:4px;border:1px solid #f0f0f0;min-height:40px}.preview-meta[data-v-8b276ec2]{display:flex;gap:16px;flex-wrap:wrap;padding-top:12px;border-top:1px dashed #e1e8ed}.meta-item[data-v-8b276ec2]{font-size:.8rem;color:#666;padding:4px 8px;background:#f0f0f0;border-radius:4px}@media (max-width:768px){.settings-grid[data-v-8b276ec2]{grid-template-columns:1fr}.preview-meta[data-v-8b276ec2]{flex-direction:column;gap:8px}}.compose-textarea[data-v-8b276ec2]:focus,.difficulty-select[data-v-8b276ec2]:focus,.score-input[data-v-8b276ec2]:focus{animation:pulseFocus-8b276ec2 .3s ease}@keyframes pulseFocus-8b276ec2{0%{box-shadow:0 0 0 0 rgba(33,150,243,.3)}70%{box-shadow:0 0 0 4px rgba(33,150,243,0)}to{box-shadow:0 0 0 0 rgba(33,150,243,0)}}.edit-modal[data-v-2b2d80d6]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.edit-container[data-v-2b2d80d6]{background:#fff;border-radius:12px;padding:24px;max-width:800px;width:100%;max-height:90vh;overflow-y:auto}.edit-header[data-v-2b2d80d6]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #e1e8ed}.edit-header h3[data-v-2b2d80d6]{margin:0;color:#333;font-size:1.2rem}.edit-body[data-v-2b2d80d6]{margin-bottom:20px}.edit-footer[data-v-2b2d80d6]{display:flex;justify-content:flex-end;gap:12px;padding-top:16px;border-top:1px solid #e1e8ed}.form-group[data-v-2b2d80d6]{margin-bottom:16px;position:relative}.form-row[data-v-2b2d80d6]{display:flex;gap:16px;margin-bottom:20px}.form-row .form-group[data-v-2b2d80d6]{flex:1}.form-label[data-v-2b2d80d6]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-2b2d80d6],.form-select[data-v-2b2d80d6],.form-textarea[data-v-2b2d80d6]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-2b2d80d6]:focus,.form-select[data-v-2b2d80d6]:focus,.form-textarea[data-v-2b2d80d6]:focus{border-color:#fa709a}.form-textarea[data-v-2b2d80d6]{resize:vertical;min-height:80px;font-family:inherit}.title-textarea[data-v-2b2d80d6]{min-height:100px;font-size:1rem;line-height:1.5;padding:12px}.character-count[data-v-2b2d80d6]{position:absolute;bottom:8px;right:12px;font-size:.8rem;color:#666;background:hsla(0,0%,100%,.9);padding:2px 6px;border-radius:4px}.btn[data-v-2b2d80d6]{padding:10px 20px;border:2px solid #e1e8ed;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;background:#fff;color:#333}.btn-primary[data-v-2b2d80d6]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border:none}.btn-primary[data-v-2b2d80d6]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px rgba(250,112,154,.3)}.btn-secondary[data-v-2b2d80d6]{background:#fff;color:#666;border:2px solid #e1e8ed}.btn-secondary[data-v-2b2d80d6]:hover{border-color:#fa709a;color:#fa709a}.close-btn[data-v-2b2d80d6]{background:none;border:none;font-size:1.8rem;cursor:pointer;color:#666;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px}.close-btn[data-v-2b2d80d6]:hover{background:#f5f5f5;color:#333}.material-editor[data-v-45b1a1ca]{margin-top:12px}.material-content-section[data-v-45b1a1ca]{margin-bottom:24px;padding:16px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-header[data-v-45b1a1ca]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #f0f0f0}.section-title[data-v-45b1a1ca]{margin:0;color:#333;font-size:1rem;display:flex;align-items:center;gap:6px}.section-hint[data-v-45b1a1ca]{font-size:.8rem;color:#666;padding:4px 8px;background:#f5f5f5;border-radius:12px}.material-content-editor[data-v-45b1a1ca]{display:flex;flex-direction:column;gap:16px}.material-title-editor[data-v-45b1a1ca]{margin-bottom:8px}.material-title-input[data-v-45b1a1ca]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.95rem;outline:none;transition:border-color .3s;box-sizing:border-box}.material-title-input[data-v-45b1a1ca]:focus{border-color:#fa709a}.form-label[data-v-45b1a1ca]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-textarea[data-v-45b1a1ca]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box;font-family:inherit;resize:vertical}.form-textarea[data-v-45b1a1ca]:focus{border-color:#fa709a}.material-title[data-v-45b1a1ca]{min-height:60px;font-size:1rem;font-weight:500}.material-content[data-v-45b1a1ca]{min-height:120px;line-height:1.6}.material-description[data-v-45b1a1ca]{min-height:80px}.character-count[data-v-45b1a1ca]{text-align:right;font-size:.75rem;color:#888;margin-top:4px}.material-meta[data-v-45b1a1ca]{display:flex;gap:16px}.meta-item[data-v-45b1a1ca]{flex:1}.form-input[data-v-45b1a1ca]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-45b1a1ca]:focus{border-color:#fa709a}.form-select[data-v-45b1a1ca]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box;background:#fff;cursor:pointer}.form-select[data-v-45b1a1ca]:focus{border-color:#fa709a}.sub-questions-section[data-v-45b1a1ca]{margin-bottom:16px;padding:16px;border:1px solid #e1e8ed;border-radius:8px;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.05)}.section-actions[data-v-45b1a1ca]{display:flex;gap:8px}.btn[data-v-45b1a1ca]{padding:8px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .3s ease;background:#fff;color:#333;display:flex;align-items:center;gap:4px}.btn-add[data-v-45b1a1ca]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border:none}.btn-add[data-v-45b1a1ca]:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(250,112,154,.3)}.btn-sort[data-v-45b1a1ca]{background:#fff;color:#666;border:2px solid #e1e8ed}.btn-sort[data-v-45b1a1ca]:hover{border-color:#fa709a;color:#fa709a}.btn-sort.active[data-v-45b1a1ca]{background:#fa709a;color:#fff;border-color:#fa709a}.btn-icon[data-v-45b1a1ca]{font-size:.9rem}.sub-questions-list[data-v-45b1a1ca]{margin-top:16px}.sub-question-item[data-v-45b1a1ca]{margin-bottom:12px;padding:16px;background:#f9f9f9;border:2px solid #e1e8ed;border-radius:8px;transition:all .3s ease}.sub-question-item[data-v-45b1a1ca]:hover{border-color:#fa709a;background:#fff5f7;transform:translateY(-1px)}.sub-question-item.sorting[data-v-45b1a1ca]{border-style:dashed;cursor:move}.sub-question-item.dragging[data-v-45b1a1ca]{opacity:.5}.sort-handle[data-v-45b1a1ca]{display:inline-block;margin-right:8px;cursor:move;color:#666;font-size:1.2rem}.sub-question-content[data-v-45b1a1ca]{flex:1}.question-header[data-v-45b1a1ca]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px;flex-wrap:wrap;gap:8px}.question-meta[data-v-45b1a1ca]{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.question-index[data-v-45b1a1ca]{font-weight:700;color:#333;background:#f0f0f0;padding:2px 8px;border-radius:4px;font-size:.8rem}.question-type[data-v-45b1a1ca]{font-weight:500;color:#fa709a;background:rgba(250,112,154,.1)}.question-difficulty[data-v-45b1a1ca],.question-type[data-v-45b1a1ca]{padding:2px 8px;border-radius:4px;font-size:.8rem}.question-difficulty.EASY[data-v-45b1a1ca],.question-difficulty.easy[data-v-45b1a1ca]{background:rgba(82,196,26,.1);color:#52c41a}.question-difficulty.GENERAL[data-v-45b1a1ca],.question-difficulty.general[data-v-45b1a1ca]{background:rgba(250,112,154,.1);color:#fa709a}.question-difficulty.HARD[data-v-45b1a1ca],.question-difficulty.hard[data-v-45b1a1ca]{background:rgba(255,77,79,.1);color:#ff4d4f}.question-score[data-v-45b1a1ca]{font-weight:700;color:#1890ff;background:rgba(24,144,255,.1);padding:2px 8px;border-radius:4px;font-size:.8rem}.question-number[data-v-45b1a1ca]{color:#666;font-size:.8rem}.question-actions[data-v-45b1a1ca]{display:flex;gap:4px;flex-wrap:wrap}.btn-action[data-v-45b1a1ca]{padding:4px 8px;border:1px solid #e1e8ed;border-radius:4px;font-size:.75rem;cursor:pointer;transition:all .2s ease;background:#fff}.btn-edit[data-v-45b1a1ca]{color:#fa709a;border-color:rgba(250,112,154,.3)}.btn-edit[data-v-45b1a1ca]:hover{background:rgba(250,112,154,.1)}.btn-delete[data-v-45b1a1ca]{color:#ff4d4f;border-color:rgba(255,77,79,.3)}.btn-delete[data-v-45b1a1ca]:hover{background:rgba(255,77,79,.1)}.btn-move-down[data-v-45b1a1ca],.btn-move-up[data-v-45b1a1ca]{color:#666;border-color:#ddd;width:24px;height:24px;padding:0;display:flex;align-items:center;justify-content:center}.btn-move-down[data-v-45b1a1ca]:hover,.btn-move-up[data-v-45b1a1ca]:hover{background:#f5f5f5}.btn-move-down[data-v-45b1a1ca]:disabled,.btn-move-up[data-v-45b1a1ca]:disabled{opacity:.3;cursor:not-allowed}.question-title[data-v-45b1a1ca]{font-weight:500;color:#333;margin-bottom:8px;line-height:1.4}.question-options[data-v-45b1a1ca]{margin-bottom:8px}.options-label[data-v-45b1a1ca]{font-size:.85rem;color:#666;margin-bottom:4px}.options-list[data-v-45b1a1ca]{display:flex;flex-direction:column;gap:2px}.option-item[data-v-45b1a1ca]{font-size:.85rem;color:#555;padding:2px 0}.question-answer[data-v-45b1a1ca]{margin-bottom:8px;font-size:.85rem}.answer-label[data-v-45b1a1ca]{font-weight:500;color:#52c41a}.question-explain[data-v-45b1a1ca]{font-size:.85rem;color:#666}.explain-label[data-v-45b1a1ca]{font-weight:500;color:#666}.empty-sub-questions[data-v-45b1a1ca]{text-align:center;padding:40px;color:#999;border:2px dashed #e1e8ed;border-radius:8px;background:#fafafa}.empty-icon[data-v-45b1a1ca]{font-size:2rem;margin-bottom:12px}.empty-text[data-v-45b1a1ca]{font-size:.9rem}@media (max-width:768px){.material-meta[data-v-45b1a1ca]{flex-direction:column;gap:12px}.question-header[data-v-45b1a1ca]{flex-direction:column;align-items:flex-start;gap:12px}.question-actions[data-v-45b1a1ca]{width:100%;justify-content:flex-start}.section-actions[data-v-45b1a1ca]{flex-direction:column}}.edit-modal[data-v-41eeaa84]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.edit-container[data-v-41eeaa84]{background:#fff;border-radius:12px;padding:24px;max-width:800px;width:100%;max-height:90vh;overflow-y:auto}.edit-header[data-v-41eeaa84]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #e1e8ed}.edit-header h3[data-v-41eeaa84]{margin:0;color:#333;font-size:1.2rem}.edit-body[data-v-41eeaa84]{margin-bottom:20px}.edit-footer[data-v-41eeaa84]{display:flex;justify-content:flex-end;gap:12px;padding-top:16px;border-top:1px solid #e1e8ed}.form-group[data-v-41eeaa84]{margin-bottom:16px;position:relative}.form-row[data-v-41eeaa84]{display:flex;gap:16px;margin-bottom:20px}.form-row .form-group[data-v-41eeaa84]{flex:1}.form-label[data-v-41eeaa84]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-41eeaa84],.form-select[data-v-41eeaa84],.form-textarea[data-v-41eeaa84]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-41eeaa84]:focus,.form-select[data-v-41eeaa84]:focus,.form-textarea[data-v-41eeaa84]:focus{border-color:#fa709a}.form-textarea[data-v-41eeaa84]{resize:vertical;min-height:80px;font-family:inherit}.title-textarea[data-v-41eeaa84]{min-height:100px;font-size:1rem;line-height:1.5;padding:12px}.character-count[data-v-41eeaa84]{position:absolute;bottom:8px;right:12px;font-size:.8rem;color:#666;background:hsla(0,0%,100%,.9);padding:2px 6px;border-radius:4px}.btn[data-v-41eeaa84]{padding:10px 20px;border:2px solid #e1e8ed;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;background:#fff;color:#333}.btn-primary[data-v-41eeaa84]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border:none}.btn-primary[data-v-41eeaa84]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px rgba(250,112,154,.3)}.btn-secondary[data-v-41eeaa84]{background:#fff;color:#666;border:2px solid #e1e8ed}.btn-secondary[data-v-41eeaa84]:hover{border-color:#fa709a;color:#fa709a}.close-btn[data-v-41eeaa84]{background:none;border:none;font-size:1.8rem;cursor:pointer;color:#666;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px}.close-btn[data-v-41eeaa84]:hover{background:#f5f5f5;color:#333}.upload-section[data-v-16c11515]{margin-bottom:30px;padding:20px;background:#f8f9fa;border-radius:12px;border:2px dashed #e1e8ed}.upload-header h4[data-v-16c11515]{margin:0 0 8px 0;color:#333;font-size:1.1rem}.upload-tip[data-v-16c11515]{margin:0;color:#666;font-size:.9rem}.upload-actions[data-v-16c11515]{display:flex;gap:12px;margin:16px 0;flex-wrap:wrap}.btn-upload[data-v-16c11515]{background:#fff;color:#666;border:2px solid #e1e8ed;padding:10px 16px;border-radius:8px;cursor:pointer;font-weight:500;transition:all .3s ease}.btn-upload[data-v-16c11515]:hover{border-color:#fa709a;color:#fa709a;transform:translateY(-1px)}.upload-status-section[data-v-16c11515]{margin-top:16px;padding:16px;background:#fff;border-radius:8px;border:1px solid #e1e8ed}.status-content[data-v-16c11515]{display:flex;align-items:center;gap:8px;padding:12px;border-radius:8px;margin-bottom:16px;font-size:.9rem}.status-content.success[data-v-16c11515]{background:#f6ffed;border:1px solid #b7eb8f;color:#52c41a}.status-content.uploading[data-v-16c11515]{background:#fff7e6;border:1px solid #ffd591;color:#fa8c16}.status-content.error[data-v-16c11515]{background:#fff2f0;border:1px solid #ffccc7;color:#ff4d4f}.status-icon[data-v-16c11515]{font-size:1rem}.upload-progress[data-v-16c11515]{margin-left:auto;font-weight:600}.analyze-action[data-v-16c11515]{margin-top:12px;text-align:center}.image-preview[data-v-16c11515]{margin-top:16px;padding:16px;background:#fff;border-radius:8px;border:1px solid #e1e8ed}.preview-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-weight:500;color:#333}.btn-remove[data-v-16c11515]{background:none;border:none;font-size:1.2rem;cursor:pointer;color:#999;padding:4px;border-radius:4px}.btn-remove[data-v-16c11515]:hover{background:#f5f5f5;color:#ff4d4f}.preview-image[data-v-16c11515]{max-width:100%;max-height:300px;border-radius:6px;display:block;margin:0 auto}.preview-actions[data-v-16c11515]{display:flex;gap:12px;margin-top:16px;justify-content:center}.analysis-result[data-v-16c11515]{margin-top:20px;padding:20px;background:#fff;border-radius:12px;border:1px solid #e1e8ed}.result-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:8px}.result-header h5[data-v-16c11515]{margin:0;color:#333}.result-count[data-v-16c11515]{background:#fa709a;color:#fff;padding:4px 8px;border-radius:12px;font-size:.8rem;font-weight:500}.result-source[data-v-16c11515]{margin-left:auto}.source-tag[data-v-16c11515]{background:rgba(250,112,154,.1);color:#fa709a}.source-tag-word[data-v-16c11515],.source-tag[data-v-16c11515]{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.source-tag-word[data-v-16c11515]{background:rgba(24,144,255,.1);color:#1890ff}.analyzed-exercises[data-v-16c11515]{display:flex;flex-direction:column;gap:12px}.analyzed-exercise-item[data-v-16c11515]{display:flex;align-items:flex-start;padding:16px;background:#fafafa;border:2px solid #e1e8ed;border-radius:8px;transition:all .3s ease;cursor:pointer}.analyzed-exercise-item[data-v-16c11515]:hover{border-color:#fa709a;background:#fff9f9}.analyzed-exercise-item.selected[data-v-16c11515]{border-color:#fa709a;background:linear-gradient(135deg,rgba(250,112,154,.1),rgba(254,225,64,.1))}.exercise-checkbox[data-v-16c11515]{margin-right:12px;margin-top:2px}.exercise-checkbox input[data-v-16c11515]{transform:scale(1.2)}.exercise-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.exercise-title[data-v-16c11515]{font-weight:600;color:#333;margin-bottom:8px;display:block;cursor:pointer;flex:1}.exercise-action-buttons[data-v-16c11515]{display:flex;gap:8px;margin-left:8px}.btn-edit[data-v-16c11515]{background:rgba(250,112,154,.1);color:#fa709a;border:1px solid rgba(250,112,154,.3);padding:4px 8px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:4px}.btn-edit[data-v-16c11515]:hover{background:rgba(250,112,154,.2);transform:translateY(-1px)}.btn-delete[data-v-16c11515]{background:rgba(255,77,79,.1);color:#ff4d4f;border:1px solid rgba(255,77,79,.3);padding:4px 8px;border-radius:4px;font-size:.8rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:4px}.btn-delete[data-v-16c11515]:hover{background:rgba(255,77,79,.2);transform:translateY(-1px)}.delete-icon[data-v-16c11515],.edit-icon[data-v-16c11515]{font-size:.7rem}.exercise-meta[data-v-16c11515]{font-size:.8rem;color:#666;margin-bottom:8px}.meta-item[data-v-16c11515]{margin-right:12px}.exercise-description[data-v-16c11515]{font-size:.9rem;color:#555;margin-bottom:8px;line-height:1.4}.exercise-options[data-v-16c11515]{margin-bottom:8px}.options-label[data-v-16c11515]{font-size:.85rem;color:#666;margin-bottom:4px}.options-list[data-v-16c11515]{display:flex;flex-direction:column;gap:2px}.option-item[data-v-16c11515]{font-size:.85rem;color:#555;padding:2px 0}.exercise-answer[data-v-16c11515]{font-size:.85rem;color:#52c41a;font-weight:500;padding:4px 8px;background:rgba(82,196,26,.1);border-radius:4px;display:inline-block}.exercises-list[data-v-16c11515]{margin-top:30px}.exercises-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.exercises-header h4[data-v-16c11515]{margin:0;color:#333}.empty-exercises[data-v-16c11515]{text-align:center;padding:40px;color:#666;border:2px dashed #e1e8ed;border-radius:10px}.empty-icon[data-v-16c11515]{font-size:2rem;margin-bottom:10px}.exercise-item[data-v-16c11515]{display:flex;justify-content:space-between;align-items:flex-start;padding:16px;background:#fff;border:1px solid #e1e8ed;border-radius:8px;margin-bottom:12px}.exercise-content[data-v-16c11515]{flex:1}.exercise-content h5[data-v-16c11515]{margin:0 0 8px 0;color:#333}.exercise-content p[data-v-16c11515]{margin:0 0 8px 0;color:#666;font-size:.9rem}.exercise-actions[data-v-16c11515]{display:flex;gap:8px}.camera-modal[data-v-16c11515]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.camera-container[data-v-16c11515]{background:#fff;border-radius:12px;padding:20px;max-width:500px;width:100%}.camera-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.camera-preview[data-v-16c11515]{width:100%;height:400px;background:#000;border-radius:8px;overflow:hidden;margin-bottom:16px}.video-element[data-v-16c11515]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.camera-actions[data-v-16c11515]{display:flex;justify-content:center;gap:12px}.edit-modal[data-v-16c11515]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.edit-container[data-v-16c11515]{background:#fff;border-radius:12px;padding:24px;max-width:600px;width:100%;max-height:80vh;overflow-y:auto}.edit-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #e1e8ed}.edit-header h3[data-v-16c11515]{margin:0;color:#333;font-size:1.2rem}.edit-body[data-v-16c11515]{margin-bottom:20px}.edit-footer[data-v-16c11515]{display:flex;justify-content:flex-end;gap:12px;padding-top:16px;border-top:1px solid #e1e8ed}.form-group[data-v-16c11515]{margin-bottom:16px}.form-row[data-v-16c11515]{display:flex;gap:16px}.form-row .form-group[data-v-16c11515]{flex:1}.form-label[data-v-16c11515]{display:block;margin-bottom:6px;font-weight:500;color:#333;font-size:.9rem}.form-input[data-v-16c11515],.form-select[data-v-16c11515],.form-textarea[data-v-16c11515]{width:100%;padding:10px 12px;border:2px solid #e1e8ed;border-radius:6px;font-size:.9rem;outline:none;transition:border-color .3s;box-sizing:border-box}.form-input[data-v-16c11515]:focus,.form-select[data-v-16c11515]:focus,.form-textarea[data-v-16c11515]:focus{border-color:#fa709a}.form-textarea[data-v-16c11515]{resize:vertical;min-height:80px;font-family:inherit}.form-select[data-v-16c11515]{background:#fff;cursor:pointer}.options-editor[data-v-16c11515]{border:1px solid #e1e8ed;border-radius:6px;padding:12px;background:#fafafa}.option-item-editor[data-v-16c11515]{display:flex;align-items:center;gap:8px;margin-bottom:8px}.option-label[data-v-16c11515]{font-weight:500;color:#333;min-width:20px}.option-input[data-v-16c11515]{flex:1;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:.9rem;outline:none;transition:border-color .3s}.option-input[data-v-16c11515]:focus{border-color:#fa709a}.btn-remove-option[data-v-16c11515]{background:#ff4d4f;color:#fff;border:none;width:24px;height:24px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:background-color .3s}.btn-remove-option[data-v-16c11515]:hover:not(:disabled){background:#ff7875}.btn-remove-option[data-v-16c11515]:disabled{background:#d9d9d9;cursor:not-allowed}.btn-add-option[data-v-16c11515]{background:rgba(250,112,154,.1);color:#fa709a;border:1px dashed #fa709a;padding:8px 12px;border-radius:4px;cursor:pointer;font-size:.9rem;width:100%;transition:all .3s ease}.btn-add-option[data-v-16c11515]:hover{background:rgba(250,112,154,.2)}.answer-tip[data-v-16c11515]{font-size:.8rem;color:#666;margin-top:4px;font-style:italic}.loading-spinner[data-v-16c11515]{display:inline-block;width:16px;height:16px;border:2px solid #fff;border-radius:50%;border-top-color:transparent;animation:spin-16c11515 1s linear infinite;margin-right:8px}@keyframes spin-16c11515{to{transform:rotate(1turn)}}.btn[data-v-16c11515]{padding:10px 20px;border:2px solid #e1e8ed;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;background:#fff;color:#333}.btn-primary[data-v-16c11515]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border:none}.btn-primary[data-v-16c11515]:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px rgba(250,112,154,.3)}.btn-secondary[data-v-16c11515]{background:#fff;color:#666;border:2px solid #e1e8ed}.btn-secondary[data-v-16c11515]:hover{border-color:#fa709a;color:#fa709a}.btn-success[data-v-16c11515]{background:#52c41a;color:#fff;border:none}.btn-success[data-v-16c11515]:hover{background:#73d13d}.btn-danger[data-v-16c11515]{background:#dc3545;color:#fff}.btn-danger[data-v-16c11515]:hover{background:#c82333}.btn[data-v-16c11515]:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.modal-overlay[data-v-16c11515]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-container[data-v-16c11515]{background:#fff;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.2);width:100%;max-height:90vh;display:flex;flex-direction:column}.modal-header[data-v-16c11515]{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #e1e8ed}.modal-header h2[data-v-16c11515]{margin:0;font-size:1.4rem;color:#1a1a1a;font-weight:600}.modal-body[data-v-16c11515]{flex:1;overflow-y:auto;padding:24px}.modal-footer[data-v-16c11515]{display:flex;justify-content:flex-end;gap:12px;padding:20px 24px;border-top:1px solid #e1e8ed;background:#f8f9fa;border-radius:0 0 12px 12px}.close-btn[data-v-16c11515]{background:none;border:none;font-size:1.8rem;cursor:pointer;color:#666;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px}.close-btn[data-v-16c11515]:hover{background:#f5f5f5;color:#333}.tab-content[data-v-16c11515]{display:none}.tab-content.active[data-v-16c11515]{display:block}@media (max-width:768px){.preview-actions[data-v-16c11515],.result-actions[data-v-16c11515],.upload-actions[data-v-16c11515]{flex-direction:column}.camera-container[data-v-16c11515]{margin:10px}.camera-preview[data-v-16c11515]{height:300px}.form-row[data-v-16c11515]{flex-direction:column;gap:12px}.edit-container[data-v-16c11515]{margin:10px;padding:16px}.result-header[data-v-16c11515]{flex-direction:column;align-items:flex-start;gap:8px}.result-source[data-v-16c11515]{margin-left:0}.exercise-header[data-v-16c11515]{flex-direction:column;gap:8px}.exercise-action-buttons[data-v-16c11515]{align-self:flex-start;margin-left:0}}.class-filter-container[data-v-5341361d]{position:relative;display:inline-block}.class-filter-btn[data-v-5341361d]{display:flex;align-items:center;padding:12px 20px;border:none;border-radius:10px;cursor:pointer;font-size:.95rem;font-weight:600;transition:all .3s ease;text-decoration:none;outline:none;min-height:44px;background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08);position:relative;z-index:10}.class-filter-btn[data-v-5341361d]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.15);border-color:#fa709a}.class-filter-btn.active[data-v-5341361d]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border-color:#fa709a}.class-filter-btn.active[data-v-5341361d]:hover{background:linear-gradient(135deg,#ff6b4a,#fea766)}.btn-icon[data-v-5341361d]{margin-right:8px;font-size:1.1rem}.btn-text[data-v-5341361d]{min-width:80px;text-align:left}.dropdown-indicator[data-v-5341361d]{margin-left:8px;font-size:.8rem;transition:transform .3s ease}.dropdown-indicator.open[data-v-5341361d]{transform:rotate(180deg)}.class-dropdown[data-v-5341361d]{position:absolute;top:calc(100% + 8px);left:0;width:320px;background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.15);z-index:100;overflow:hidden;animation:dropdownSlide-5341361d .3s ease}@keyframes dropdownSlide-5341361d{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-header[data-v-5341361d]{display:flex;align-items:center;padding:16px 20px;background:linear-gradient(135deg,#5a9cf8,#3d82f1);color:#fff;font-weight:600;font-size:1rem}.header-icon[data-v-5341361d]{margin-right:10px;font-size:1.2rem}.close-btn[data-v-5341361d]{margin-left:auto;cursor:pointer;font-size:1.5rem;line-height:1;opacity:.8;transition:opacity .2s ease}.close-btn[data-v-5341361d]:hover{opacity:1}.dropdown-options[data-v-5341361d]{max-height:400px;overflow-y:auto;padding:8px 0}.dropdown-option[data-v-5341361d]{display:flex;align-items:center;padding:12px 20px;cursor:pointer;transition:all .2s ease;border-bottom:1px solid #f0f0f0}.dropdown-option[data-v-5341361d]:hover{background:#f8f9fa}.dropdown-option.active[data-v-5341361d]{background:linear-gradient(135deg,rgba(250,112,154,.1),hsla(26,98%,74%,.1));border-left:4px solid #fa709a}.dropdown-option.has-homework[data-v-5341361d]:hover{background:rgba(250,112,154,.05);border-left-color:#fa709a}.option-icon[data-v-5341361d]{margin-right:12px;font-size:1.2rem;flex-shrink:0}.option-content[data-v-5341361d]{flex:1;min-width:0}.option-name[data-v-5341361d]{font-weight:600;color:#1a1a1a;margin-bottom:4px;font-size:.95rem}.dropdown-option.active .option-name[data-v-5341361d]{color:#fa709a}.option-stats[data-v-5341361d]{font-size:.8rem;color:#666}.homework-count[data-v-5341361d]{color:#fa709a;font-weight:600}.option-check[data-v-5341361d]{color:#fa709a;font-weight:700;font-size:1.2rem}.dropdown-footer[data-v-5341361d]{padding:12px 20px;background:#f8f9fa;border-top:1px solid #e0e0e0}.selected-class-info[data-v-5341361d]{display:flex;align-items:center;font-size:.9rem;color:#666}.info-icon[data-v-5341361d]{margin-right:8px;font-size:1rem}.dropdown-backdrop[data-v-5341361d]{position:fixed;top:0;left:0;right:0;bottom:0;z-index:50;background:transparent}@media (max-width:768px){.class-filter-btn[data-v-5341361d]{padding:10px 16px;font-size:.9rem}.btn-text[data-v-5341361d]{min-width:60px}.class-dropdown[data-v-5341361d]{width:280px;left:50%;transform:translateX(-50%)}}.dropdown-options[data-v-5341361d]::-webkit-scrollbar{width:6px}.dropdown-options[data-v-5341361d]::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.dropdown-options[data-v-5341361d]::-webkit-scrollbar-thumb{background:#ddd;border-radius:3px}.dropdown-options[data-v-5341361d]::-webkit-scrollbar-thumb:hover{background:#ccc}.homework-pagination[data-v-29afb862]{margin-top:30px;padding:15px 0;border-top:1px solid #e0e0e0}.pagination-container[data-v-29afb862]{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:15px}.pagination-info[data-v-29afb862]{color:#666;font-size:14px;min-width:200px}.pagination-controls[data-v-29afb862]{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.page-size-selector[data-v-29afb862]{display:flex;align-items:center;gap:8px}.page-size-selector .label[data-v-29afb862]{color:#666;font-size:14px}.page-size-select[data-v-29afb862]{padding:6px 12px;border:1px solid #dcdfe6;border-radius:4px;background:#fff;color:#606266;font-size:14px;outline:none;transition:border-color .3s}.page-size-select[data-v-29afb862]:focus{border-color:#fa709a}.page-numbers[data-v-29afb862]{display:flex;align-items:center;gap:4px}.page-btn[data-v-29afb862]{min-width:36px;height:36px;padding:0 8px;border:1px solid #dcdfe6;border-radius:4px;background:#fff;color:#606266;font-size:14px;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center}.page-btn[data-v-29afb862]:hover:not(:disabled){border-color:#fa709a;color:#fa709a;transform:translateY(-1px)}.page-btn.active[data-v-29afb862]{background:linear-gradient(135deg,#fa709a,#feb47b);border-color:#fa709a;color:#fff;font-weight:600}.page-btn[data-v-29afb862]:disabled{opacity:.5;cursor:not-allowed}.next-btn[data-v-29afb862],.prev-btn[data-v-29afb862]{width:36px}.btn-icon[data-v-29afb862]{font-size:12px;line-height:1}.ellipsis[data-v-29afb862]{padding:0 8px;color:#c0c4cc;font-size:14px}.page-jump[data-v-29afb862]{display:flex;align-items:center;gap:8px}.page-jump .label[data-v-29afb862]{color:#666;font-size:14px}.page-jump-input[data-v-29afb862]{width:60px;padding:6px;border:1px solid #dcdfe6;border-radius:4px;text-align:center;font-size:14px;outline:none;transition:border-color .3s}.page-jump-input[data-v-29afb862]:focus{border-color:#fa709a}.jump-btn[data-v-29afb862]{padding:6px 15px;border:1px solid #dcdfe6;border-radius:4px;background:#fff;color:#606266;font-size:14px;cursor:pointer;transition:all .3s}.jump-btn[data-v-29afb862]:hover:not(:disabled){background:#f5f7fa;border-color:#fa709a;color:#fa709a}.jump-btn[data-v-29afb862]:disabled{opacity:.5;cursor:not-allowed}@media (max-width:768px){.pagination-container[data-v-29afb862]{flex-direction:column;align-items:stretch;gap:15px}.pagination-controls[data-v-29afb862]{justify-content:center;gap:10px}.page-numbers[data-v-29afb862]{order:1;justify-content:center}.page-size-selector[data-v-29afb862]{order:2;justify-content:center}.page-jump[data-v-29afb862]{order:3;justify-content:center}}@media (max-width:480px){.page-numbers[data-v-29afb862]{flex-wrap:wrap;justify-content:center}.page-btn[data-v-29afb862]{min-width:32px;height:32px;font-size:13px}.ellipsis[data-v-29afb862]{display:none}}.websocket-notification[data-v-6cd5e64c]{position:relative}.notification-card[data-v-6cd5e64c]{position:relative;flex:1;background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center;transition:all .3s ease;border-top:4px solid #36a9e0;cursor:pointer;min-width:140px}.notification-card[data-v-6cd5e64c]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}.notification-card.disconnected[data-v-6cd5e64c]{border-top-color:#ff6b6b;opacity:.8}.notification-count[data-v-6cd5e64c]{margin-bottom:10px}.count-number[data-v-6cd5e64c]{font-size:2rem;font-weight:700;margin-bottom:5px;color:#36a9e0}.notification-card.disconnected .count-number[data-v-6cd5e64c]{color:#ff6b6b}.count-label[data-v-6cd5e64c]{color:#666;font-size:.9rem}.unread-dot[data-v-6cd5e64c]{position:absolute;top:15px;right:15px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#ff6b6b,#ff8e53);animation:blink-6cd5e64c 1.5s infinite;box-shadow:0 0 0 2px hsla(0,100%,71%,.3)}@keyframes blink-6cd5e64c{0%,to{opacity:1}50%{opacity:.5}}.notification-modal-overlay[data-v-6cd5e64c]{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.notification-modal[data-v-6cd5e64c]{background:#fff;border-radius:12px;width:90%;max-width:450px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 10px 40px rgba(0,0,0,.2);overflow:hidden}.modal-header[data-v-6cd5e64c]{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #eee;background:linear-gradient(135deg,#36a9e0,#7cc7ff);color:#fff}.modal-header h3[data-v-6cd5e64c]{margin:0;font-size:18px;font-weight:600}.close-btn[data-v-6cd5e64c]{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:0;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .3s}.close-btn[data-v-6cd5e64c]:hover{background:hsla(0,0%,100%,.2)}.modal-content[data-v-6cd5e64c]{flex:1;overflow-y:auto;padding:0}.empty-notifications[data-v-6cd5e64c]{text-align:center;padding:40px 20px;color:#999;font-size:14px}.notification-item[data-v-6cd5e64c]{display:flex;align-items:flex-start;padding:16px;border-bottom:1px solid #f5f5f5;cursor:pointer;transition:all .3s ease}.notification-item[data-v-6cd5e64c]:hover{background:#f9f9f9;transform:translateX(2px)}.notification-item.unread[data-v-6cd5e64c]{background:#f0f7ff;border-left:3px solid #1890ff}.notification-item.unread[data-v-6cd5e64c]:hover{background:#e6f2ff}.notification-icon[data-v-6cd5e64c]{font-size:16px;margin-right:12px;margin-top:2px;flex-shrink:0}.unread-icon[data-v-6cd5e64c]{color:#ff4d4f;font-size:10px}.read-icon[data-v-6cd5e64c]{color:#bfbfbf;font-size:10px}.notification-content[data-v-6cd5e64c]{flex:1;min-width:0}.notification-title[data-v-6cd5e64c]{display:flex;align-items:center;gap:8px;font-weight:600;color:#333;margin-bottom:6px;font-size:14px}.notification-item.unread .notification-title[data-v-6cd5e64c]{color:#1890ff}.unread-badge[data-v-6cd5e64c]{display:inline-block;padding:2px 6px;background:#ff4d4f;color:#fff;border-radius:10px;font-size:10px;font-weight:400}.notification-desc[data-v-6cd5e64c]{color:#666;font-size:13px;margin-bottom:6px;line-height:1.4}.notification-time[data-v-6cd5e64c]{font-size:12px;color:#999}.notification-actions[data-v-6cd5e64c]{margin-left:10px;flex-shrink:0;display:flex;gap:4px}.mark-read-btn[data-v-6cd5e64c]{padding:4px 8px;background:#1890ff;color:#fff;border:none;border-radius:4px;font-size:11px;cursor:pointer;transition:all .3s;white-space:nowrap}.mark-read-btn[data-v-6cd5e64c]:hover{background:#40a9ff;transform:translateY(-1px)}.mark-unread-btn[data-v-6cd5e64c]{padding:4px 8px;background:#f5f5f5;color:#666;border:none;border-radius:4px;font-size:11px;cursor:pointer;transition:all .3s;white-space:nowrap}.mark-unread-btn[data-v-6cd5e64c]:hover{background:#e8e8e8;color:#333;transform:translateY(-1px)}.modal-footer[data-v-6cd5e64c]{padding:16px;border-top:1px solid #eee;background:#fafafa;display:flex;flex-direction:column;gap:12px}.notification-stats[data-v-6cd5e64c]{text-align:center;color:#666;font-size:12px}.footer-actions[data-v-6cd5e64c]{display:flex;justify-content:center;gap:8px}.mark-all-read-btn[data-v-6cd5e64c]{padding:6px 12px;background:#1890ff;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:12px;transition:all .3s}.mark-all-read-btn[data-v-6cd5e64c]:hover{background:#40a9ff;transform:translateY(-1px)}.clear-all-btn[data-v-6cd5e64c]{padding:6px 12px;background:#ff4d4f;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:12px;transition:all .3s}.clear-all-btn[data-v-6cd5e64c]:hover{background:#ff7875;transform:translateY(-1px)}@media (max-width:768px){.notification-card[data-v-6cd5e64c]{min-width:120px;padding:15px}.count-number[data-v-6cd5e64c]{font-size:1.8rem}.notification-modal[data-v-6cd5e64c]{width:95%;max-height:70vh}.notification-item[data-v-6cd5e64c]{padding:12px}.footer-actions[data-v-6cd5e64c]{flex-wrap:wrap}}.content-section[data-v-4b768d1d]{padding:20px;background:#f8f9fa;min-height:100vh}.header-section[data-v-4b768d1d]{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.title-section[data-v-4b768d1d]{display:flex;align-items:center;gap:15px}.emoji-icon[data-v-4b768d1d]{font-size:2rem}.section-title[data-v-4b768d1d]{margin:0;font-size:1.8rem;font-weight:700;color:#1a1a1a}.section-description[data-v-4b768d1d]{color:#666;margin:5px 0 0 0;font-size:.95rem}.action-buttons[data-v-4b768d1d]{display:flex;gap:12px}.homework-btn[data-v-4b768d1d]{display:flex;align-items:center;padding:12px 24px;border:none;border-radius:10px;cursor:pointer;font-size:.95rem;font-weight:600;transition:all .3s ease;text-decoration:none;outline:none;min-height:44px;position:relative;overflow:hidden}.homework-btn.primary[data-v-4b768d1d]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;box-shadow:0 4px 15px rgba(255,126,95,.3);border:none}.homework-btn.primary[data-v-4b768d1d]:hover{background:linear-gradient(135deg,#ff6b4a,#fea766);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,126,95,.4)}.homework-btn.primary[data-v-4b768d1d]:active{transform:translateY(0);box-shadow:0 2px 10px rgba(255,126,95,.3)}.homework-btn.secondary[data-v-4b768d1d]{background:#fff;color:#666;border:2px solid #e0e0e0;box-shadow:0 2px 8px rgba(0,0,0,.08)}.homework-btn.secondary[data-v-4b768d1d]:hover{background:#f8f9fa;color:#fa709a;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,126,95,.15)}.homework-btn.secondary[data-v-4b768d1d]:active{transform:translateY(0);box-shadow:0 2px 6px rgba(0,0,0,.1)}.btn-icon[data-v-4b768d1d]{margin-right:8px;font-size:1.1rem}.stats-row[data-v-4b768d1d]{display:flex;gap:15px;margin-bottom:25px}.stat-card[data-v-4b768d1d]{flex:1;background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center;transition:transform .3s ease;border-top:4px solid #fa709a}.stat-card[data-v-4b768d1d]:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}.stat-number[data-v-4b768d1d]{font-size:2rem;font-weight:700;margin-bottom:5px;color:#fa709a}.stat-label[data-v-4b768d1d]{color:#666;font-size:.9rem}.homework-tabs[data-v-4b768d1d]{display:flex;border-bottom:1px solid #e0e0e0;margin-bottom:20px;background:#fff;border-radius:8px 8px 0 0;padding:0 10px}.homework-tab[data-v-4b768d1d]{display:flex;align-items:center;padding:12px 20px;cursor:pointer;border-bottom:2px solid transparent;transition:all .3s;gap:8px;color:#666;font-weight:500}.homework-tab[data-v-4b768d1d]:hover{color:#fa709a}.homework-tab.active[data-v-4b768d1d]{border-bottom-color:#fa709a;color:#fa709a;font-weight:600}.homework-tab-badge[data-v-4b768d1d]{background:linear-gradient(135deg,#fa709a,#feb47b);color:#fff;border-radius:10px;padding:2px 8px;font-size:.8rem;display:flex;align-items:center;justify-content:center;min-width:20px;box-shadow:0 2px 4px rgba(255,126,95,.3)}.homework-tab-content[data-v-4b768d1d]{display:block}.homework-list[data-v-4b768d1d]{display:flex;flex-direction:column;gap:20px}.loading-indicator[data-v-4b768d1d]{text-align:center;padding:20px;color:#666;font-size:14px}.empty-state[data-v-4b768d1d]{text-align:center;padding:40px 20px;color:#999;font-size:16px;background:#fff;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.08)}@media (max-width:768px){.header-section[data-v-4b768d1d]{flex-direction:column;align-items:flex-start;gap:15px}.stats-row[data-v-4b768d1d]{flex-wrap:wrap}.stat-card[data-v-4b768d1d]{flex:1 1 calc(50% - 15px);min-width:120px}.homework-tabs[data-v-4b768d1d]{overflow-x:auto}.homework-tab[data-v-4b768d1d]{white-space:nowrap}.action-buttons[data-v-4b768d1d]{width:100%;justify-content:flex-start}.homework-btn[data-v-4b768d1d]{flex:1;justify-content:center;padding:10px 16px;font-size:.9rem}}.homework-btn[data-v-4b768d1d]:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:hsla(0,0%,100%,.3);transform:translate(-50%,-50%);transition:width .3s,height .3s}.homework-btn[data-v-4b768d1d]:active:after{width:100px;height:100px}.back-to-top[data-v-38a4e4cc]{position:fixed;right:var(--53699c1f);bottom:var(--0251fef0);width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#ff7e5f,#feb47b);color:var(--52990966);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 12px rgba(255,126,95,.3),0 1px 3px rgba(0,0,0,.1),inset 0 1px 0 hsla(0,0%,100%,.2);transition:all .3s cubic-bezier(.4,0,.2,1);z-index:99999999;outline:none;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;will-change:transform,box-shadow}.back-to-top[data-v-38a4e4cc]:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 6px 24px rgba(255,126,95,.4),0 3px 8px rgba(0,0,0,.15),inset 0 1px 0 hsla(0,0%,100%,.3);background:linear-gradient(135deg,#ff6b4a,#fea766)}.back-to-top[data-v-38a4e4cc]:active{transform:translateY(-1px) scale(.98);box-shadow:0 2px 8px rgba(255,126,95,.3),0 1px 2px rgba(0,0,0,.1),inset 0 1px 0 hsla(0,0%,100%,.1)}.back-to-top[data-v-38a4e4cc]:focus{outline:2px solid rgba(255,126,95,.4);outline-offset:3px;animation:pulse-38a4e4cc 1.5s infinite}.fade-enter-active[data-v-38a4e4cc]{transition:opacity .4s cubic-bezier(.4,0,.2,1),transform .4s cubic-bezier(.4,0,.2,1)}.fade-leave-active[data-v-38a4e4cc]{transition:opacity .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.4,0,.2,1)}.fade-enter-from[data-v-38a4e4cc],.fade-leave-to[data-v-38a4e4cc]{opacity:0;transform:translateY(20px) scale(.8)}.back-to-top[data-v-38a4e4cc]:after{content:attr(title);right:calc(100% + 12px);background:rgba(0,0,0,.85);color:#fff;padding:6px 12px;border-radius:6px;font-size:12px;font-weight:500;white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,.15)}.back-to-top[data-v-38a4e4cc]:after,.back-to-top[data-v-38a4e4cc]:before{position:absolute;top:50%;transform:translateY(-50%);opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);pointer-events:none;z-index:100000000}.back-to-top[data-v-38a4e4cc]:before{content:"";right:calc(100% - 3px);border:6px solid transparent;border-left-color:rgba(0,0,0,.85)}.back-to-top[data-v-38a4e4cc]:hover:after,.back-to-top[data-v-38a4e4cc]:hover:before{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}@keyframes pulse-38a4e4cc{0%{box-shadow:0 0 0 0 rgba(255,126,95,.4),0 3px 12px rgba(255,126,95,.3),inset 0 1px 0 hsla(0,0%,100%,.2)}70%{box-shadow:0 0 0 10px rgba(255,126,95,0),0 3px 12px rgba(255,126,95,.3),inset 0 1px 0 hsla(0,0%,100%,.2)}to{box-shadow:0 0 0 0 rgba(255,126,95,0),0 3px 12px rgba(255,126,95,.3),inset 0 1px 0 hsla(0,0%,100%,.2)}}@media (max-width:768px){.back-to-top[data-v-38a4e4cc]{width:36px;height:36px;right:20px;bottom:70px}.back-to-top svg[data-v-38a4e4cc]{width:18px;height:18px}.back-to-top[data-v-38a4e4cc]:after,.back-to-top[data-v-38a4e4cc]:before{display:none}}@media (prefers-color-scheme:dark){.back-to-top[data-v-38a4e4cc]{box-shadow:0 3px 12px rgba(255,126,95,.3),0 1px 3px rgba(0,0,0,.3),inset 0 1px 0 hsla(0,0%,100%,.1)}.back-to-top[data-v-38a4e4cc]:hover{box-shadow:0 6px 24px rgba(255,126,95,.4),0 3px 8px rgba(0,0,0,.4),inset 0 1px 0 hsla(0,0%,100%,.2)}}@media (prefers-reduced-motion:reduce){.back-to-top[data-v-38a4e4cc],.fade-enter-active[data-v-38a4e4cc],.fade-leave-active[data-v-38a4e4cc]{transition:opacity .2s ease}.back-to-top[data-v-38a4e4cc]:hover{transform:none}@keyframes pulse-38a4e4cc{to{box-shadow:0 3px 12px rgba(255,126,95,.3),inset 0 1px 0 hsla(0,0%,100%,.2)}}}.main-content{display:flex;height:calc(100vh - 80px)}.content-area{flex:1;padding:0;overflow-y:auto;background:#f8f9fa;height:100vh}.content-section{display:none}.content-section.active{display:block}.section-title{font-size:1.8rem;font-weight:600;margin-bottom:20px;color:#333}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.card{background:#fff;border-radius:15px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.1);margin-bottom:20px}.btn{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff;border:none;padding:8px 15px;border-radius:15px;cursor:pointer;font-weight:600;text-decoration:none;display:inline-block;transition:transform .3s;font-size:.9rem}.btn:hover{transform:translateY(-2px)}.btn-secondary{background:linear-gradient(135deg,#74b9ff,#0984e3)}.btn-success{background:linear-gradient(135deg,#43e97b,#38f9d7)}.btn-danger{background:linear-gradient(135deg,#ff6b6b,#ee5a52)}.analytics-chart{width:100%;height:300px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#666;margin:20px 0;border:1px solid #e1e8ed}