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#22c55e80}.completion-card{text-align:center;padding:28px;border-radius:20px;animation:fadeIn .4s ease-in-out,glowPulse 3s infinite ease-in-out}.book-icon{font-size:2rem;color:#6366f1;margin-bottom:10px}.completion-card h3{color:#16a34a;font-size:1.4rem;font-weight:700}.xp-banner{background:linear-gradient(90deg,#4f46e5,#6366f1);color:#fff;padding:6px 12px;border-radius:20px;display:inline-block;margin:8px 0;font-weight:600;font-size:.85rem}.progress-summary{margin-top:10px;color:#1e293b;font-size:.95rem}.next-btn{background:#4338ca!important;color:#fff!important;border-radius:12px!important;margin-top:16px!important;font-weight:600!important;text-transform:none!important}.loading-box{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#555;padding:2rem;text-align:center}.loading-box p{animation:pulse 1.5s infinite;color:#4f46e5;font-weight:500}.empty-message{text-align:center;font-weight:500;color:#6b7280;padding:1rem}@keyframes 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var(--color-accent)}.teacher-sidebar-account-name{font-weight:700;color:var(--color-primaryForeground);font-size:24px;margin-bottom:8px}.teacher-sidebar-account-email{font-size:14px;color:var(--color-primaryForeground);word-break:break-all}.main-content-teacher-dashboard{padding:0 20px 20px;background-color:var(--color-background);display:flex;flex-direction:column;box-sizing:border-box;padding-left:calc(var(--sidebar-w, 0px) + 40px)!important;color:var(--color-foreground)}@media(max-width:1024px){.teacher-dashboard-container{position:relative;min-height:100vh}.mobile-topbar{position:sticky;top:0;z-index:5;background:var(--color-primary);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px}.mobile-menu-icon{width:28px;height:28px;display:block;-o-object-fit:contain;object-fit:contain}.teacher-sidebar{position:fixed;inset:0 auto 0 0;width:280px;border-right:1px solid #e5e7eb;box-shadow:0 8px 24px #0000001f;transform:translate(-100%);padding:16px 12px;border-radius:0 40px 40px 0!important;z-index:1200;height:100vh}.teacher-sidebar.open{transform:translate(0)}.teacher-sidebar.closed{transform:translate(-100%);align-items:flex-start}.main-content-teacher-dashboard{width:100%!important;padding-left:16px!important;padding-right:16px}.drawer-backdrop{position:fixed;inset:0;background:#0f172a59;backdrop-filter:blur(1px);opacity:0;pointer-events:none;transition:opacity .2s ease-out;z-index:1100}.drawer-backdrop.visible{opacity:1;pointer-events:auto}}:root{--ink: #0f172a;--muted: #64748b;--ring: #e2e8f0;--brand-1: #6366f1;--brand-2: #22d3ee;--rose-1: #f472b6;--rose-2: #fb7185;--mint-1: #34d399;--mint-2: #10b981;--sky-1: #38bdf8;--sky-2: #22c55e;--card-bg: #ffffff}.settings-page{padding:18px;color:var(--color-foreground);background-color:var(--color-background);transition:background-color .3s ease,color .3s 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var(--mint-2)}.tone-sky{--accent-a: var(--sky-1);--accent-b: var(--sky-2)}.card-title{margin:0 0 6px;font-size:1.1rem;font-weight:800;position:relative;width:-moz-max-content;width:max-content}.card-title:after{content:"";display:block;height:3px;margin-top:6px;border-radius:3px;background:linear-gradient(90deg,var(--accent-a),var(--accent-b))}.kv{margin-top:10px}.kv-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--color-border)}.kv-row:last-child{border-bottom:0}.kv-k{color:var(--color-muted)}.kv-v{font-weight:700;color:var(--color-foreground)}.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-weight:700;font-size:.82rem;background:#f1f5ff;color:#4338ca;border:1px solid rgba(67,56,202,.15)}.tag-grade{background:#ecfeff;color:#0ea5e9;border-color:#0ea5e92e}.tag-level{background:#fef9c3;color:#a16207;border-color:#a162072e}.tag-role{background:#e8f9f0;color:#15803d;border-color:#15803d2e}.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;font-weight:800;font-size:.92rem;border:1px solid transparent;cursor:pointer;text-decoration:none}.btn-gradient{color:#fff;background:linear-gradient(90deg,var(--accent-a, var(--brand-1)),var(--accent-b, var(--brand-2)));box-shadow:0 6px 16px #6366f140}.btn-outline-ghost{background:var(--color-card);color:var(--color-foreground);border:1px solid var(--color-border)}.btn-ghost{background:transparent;color:var(--color-muted)}.child-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:12px;margin-top:10px}.child-card{grid-column:span 6;border-left:1px solid var(--ring);border-radius:14px;padding:12px;background:linear-gradient(180deg,#fff,#f9fbff);position:relative;overflow:hidden}.child-card:before{content:"";position:absolute;inset:-1px -1px auto;height:6px;background:linear-gradient(90deg,var(--accent-a, var(--brand-1)),var(--accent-b, var(--brand-2)))}.child-head{display:flex;gap:12px;align-items:center}.child-avatar{width:44px!important;height:44px!important;font-weight:800!important}.child-avatar-wrap{position:relative}.chip-mini{position:absolute;left:52px;top:2px;font-size:.7rem;font-weight:700;background:#eef2ff;color:#3730a3;border:1px solid rgba(55,48,163,.12);padding:2px 6px;border-radius:999px}.child-name{font-weight:900}.child-sub{color:var(--muted);display:flex;align-items:center;gap:8px}.spacer{color:#cbd5e1}.child-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.empty.pretty{margin-top:8px;padding:14px;border:1px dashed 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#bfe9d8!important;border-radius:12px!important;padding:10px 16px!important;text-transform:none!important;font-weight:600!important;cursor:pointer!important;transition:background-color .15s ease,transform .15s ease!important}.ai-generate-button:hover{background-color:#d8f1e6!important;transform:translateY(-1px)!important}.ai-generate-button:active{transform:translateY(0)!important}.ai-generate-button:focus-visible{outline:3px solid rgba(16,185,129,.35)!important;outline-offset:2px!important}.ai-generate-button:disabled{opacity:.6!important;cursor:not-allowed!important}.regenerate-button{background-color:#fff7ed!important;color:#b45309!important;border:1px solid #fcd34d!important;border-radius:12px!important;padding:10px 16px!important;text-transform:none!important;font-weight:600!important;cursor:pointer!important;transition:background-color .15s ease,transform .15s 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16px!important;text-transform:none!important;font-weight:600!important;cursor:pointer!important;transition:background-color .15s ease,border-color .15s ease,transform .15s ease!important}.cancel-button:hover{background-color:#f3f4f6!important;border-color:#d1d5db!important;transform:translateY(-1px)!important}.cancel-button:active{transform:translateY(0)!important}.cancel-button:disabled{opacity:.6!important;cursor:not-allowed!important}.preview-button{background-color:transparent!important;color:#2563eb!important;border:none!important;border-radius:8px!important;padding:6px 8px!important;text-transform:none!important;font-weight:600!important;cursor:pointer!important;text-decoration:underline!important;transition:color .15s ease,transform .15s ease!important}.preview-button:hover{color:#1d4ed8!important;transform:translateY(-1px)!important}.preview-button:active{transform:translateY(0)!important}.preview-button:focus-visible{outline:3px solid rgba(37,99,235,.25)!important;outline-offset:2px!important}.preview-button:disabled{opacity:.6!important;cursor:not-allowed!important;text-decoration:none!important}.clear-button{background-color:transparent!important;color:#d97706!important;border:none!important;border-radius:8px!important;padding:6px 8px!important;text-transform:none!important;font-weight:700!important;cursor:pointer!important;text-decoration:underline!important;transition:color .15s ease,transform .15s ease!important}.clear-button:hover{color:#b45309!important;transform:translateY(-1px)!important}.clear-button:active{transform:translateY(0)!important}.clear-button:focus-visible{outline:3px solid rgba(245,158,11,.25)!important;outline-offset:2px!important}.clear-button:disabled{opacity:.6!important;cursor:not-allowed!important;text-decoration:none!important}.search-button{background-color:#f3f6ff!important;color:#5b7cff!important;border:2px solid rgba(91,124,255,.45)!important;border-radius:12px!important;padding:10px 16px!important;text-transform:none!important;font-weight:600!important;cursor:pointer!important;transition:background-color .15s ease,border-color .15s ease,transform .15s ease!important}.search-button:hover{background-color:#e8eeff!important;border-color:#5b7cff!important;transform:translateY(-1px)!important}.search-button:active{transform:translateY(0)!important}.search-button:focus-visible{outline:3px solid rgba(91,124,255,.35)!important;outline-offset:2px!important}.search-button:disabled{opacity:.6!important;cursor:not-allowed!important}.upload-math-button{text-transform:none!important;font-weight:600!important;text-transform:uppercase!important;padding:6px 14px!important;background-color:#f5f5f5!important;border:1px solid #ccc!important;color:#333!important;display:flex!important;align-items:center!important;gap:6px!important;transition:all .2s ease-in-out!important}.upload-math-button:hover{background-color:#e8e8e8!important;color:#000!important}.upload-math-button.Mui-selected{background-color:#1976d2!important;border-color:#1976d2!important;color:#fff!important}.upload-math-button.Mui-selected:hover{background-color:#1565c0!important}.generate-with-ai{font-weight:600!important;text-transform:uppercase!important;padding:6px 14px!important;background-color:#f5f5f5!important;border:1px solid #ccc!important;color:#333!important;display:flex!important;align-items:center!important;gap:6px!important;transition:all .2s ease-in-out!important}.generate-with-ai:hover{background-color:#e8e8e8!important;color:#000!important}.generate-with-ai.Mui-selected{background-color:#2e7d32!important;border-color:#2e7d32!important;color:#fff!important}.generate-with-ai.Mui-selected:hover{background-color:#256428!important}.upload-pdf-toggle{font-weight:600!important;text-transform:uppercase!important;padding:6px 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0;flex-direction:column;align-items:flex-start;gap:8px}.dual-chapter{font-size:1rem}.dual-page{font-size:.85rem;color:#777}.dual-panel{padding:12px!important;border-radius:16px!important}.dual-panel-controls{display:flex;flex-direction:row;flex-wrap:wrap;gap:12px;align-items:center;padding:8px 12px;background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 6px #0000000a}.dual-select{flex:1 1 100%;max-width:100%;font-size:.95rem!important}.dual-panel-content{font-size:.95rem;padding:0 12px}.dual-panel+.dual-panel{margin-top:12px}}.pagination-container{text-align:center;margin-top:1.5rem;display:flex;margin-bottom:1.5rem;justify-content:center;align-items:center;gap:12px;font-family:Segoe UI,sans-serif}.pagination-btn{background:#4cada8;color:#fff;font-weight:600;border:none;padding:8px 16px;border-radius:8px;font-size:1rem;cursor:pointer;transition:background .3s ease,transform .2s ease}.pagination-btn:hover{background:#3a8f8b;transform:translateY(-2px)}.pagination-btn:disabled{background:#cfcfcf;color:#666;cursor:not-allowed;transform:none}.pagination-info{font-size:1rem;color:#333;font-weight:500}.book-html-content{font-size:16px;line-height:1.6;padding:10px}.book-html-content p{margin-bottom:12px;text-indent:20px}.book-html-content h2,.book-html-content h3{font-weight:700;margin-top:20px}.book-html-content .poem{margin-left:40px;font-style:italic}.dual-panel-full{width:100%!important}.reading-container{padding:2rem}.reading-card{padding:2rem;border-radius:14px!important;background:#fff;box-shadow:0 8px 40px #0000001a}.section-title{margin-bottom:1rem;font-size:24px}.info-text{margin:1rem 0 .5rem;font-size:16px}.reading-options{display:flex;gap:1rem;margin:1rem 0}.paragraph{font-size:15px;line-height:1.6;background:#f0f4f8;padding:1rem;border-radius:8px}.divider{margin:1.5rem 0}.quiz-btn{background:#1b6ca8;color:#fff}.summary-list{margin-left:1.2rem;margin-top:.5rem}.reading-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.back-button{display:inline-flex!important;align-items:center!important;gap:6px!important;padding:6px 14px!important;font-size:14px!important;font-weight:600!important;color:#1e293b!important;background:#fff!important;border:1px solid #d1d5db!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;text-transform:none!important}.back-button:hover{background:#f3f4f6!important;border-color:#9ca3af!important}.back-button:active{background:#e5e7eb!important;transform:scale(.97)!important}.back-button svg{font-size:16px!important}.loading-container{text-align:center;padding:3rem 0;display:flex;flex-direction:column;align-items:center}.loading-text{margin-top:1rem;color:#666}.no-data-container{text-align:center;padding:3rem 0}.assignments-wrapper{display:flex;flex-wrap:wrap;gap:1.5rem}.assignment-grid{display:flex}.assignment-card{padding:1.5rem;height:200px;width:250px;border-radius:12px;background:linear-gradient(135deg,#fff 60%,#f0f8ff);cursor:pointer;transition:.3s;display:flex;flex-direction:column}.assignment-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001a}.card-body{display:flex;flex-direction:column;gap:12px;flex:1 1 auto}.card-footer{margin-top:auto;display:flex;align-items:center;min-height:42px}.assignment-title-wrapper{display:flex;gap:8px;min-height:28px}.assignment-icon{color:#1b6ca8;margin-top:5px}.assignment-title{font-weight:700;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;min-height:48px}.assignment-description{color:#444;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;-webkit-line-clamp:2;text-overflow:ellipsis;min-height:44px}.description-spacer{display:block;min-height:44px}.assignment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:1rem}.assignment-heading{font-weight:700;color:#1b6ca8}.assignment-controls{display:flex;align-items:center;gap:10px}@media(max-width:800px){.assignment-controls{flex-direction:column!important;align-items:stretch!important}}.status-label{font-weight:500;font-size:16px;color:#333}.status-filter{padding:6px 12px;font-size:14px;border-radius:8px;border:1px solid #ccc;background:#fff;outline:none;color:#000;transition:border .2s}.status-filter:focus{border-color:#1b6ca8}.calendar-icon{font-size:16px;color:#888;margin-right:6px}.completion-chip{background:#dff0d8;color:#2e7d32;padding:6px 12px;font-weight:700;height:28px;border-radius:999px}.status-duedate{display:inline-flex;align-items:center;gap:8px;color:#5b6573;font-weight:600}.status-progress{display:flex;align-items:center;gap:10px;width:100%;max-width:200px}.progress-pill{position:relative;flex:1 1 auto;height:10px;background:#e9eef6;border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:inherit;transition:width .24s ease}.progress-label{min-width:40px;text-align:right;font-weight:700;color:#0f172a;letter-spacing:.2px}.assignment-meta{display:flex;align-items:center;gap:20px;margin:8px 0;flex-wrap:wrap;min-height:36px}.assignments-table-container{background:#fff;border-radius:12px;overflow:hidden}.table-title-ellipsis{display:inline-block;max-width:44ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.smart-table{background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;width:100%}.smart-table table{width:100%;border-collapse:separate;border-spacing:0}.smart-table thead{background:#e9f4ff}.smart-table .st-th{font-weight:700;color:#0f172a;padding:14px 16px;border-bottom:1px solid #e5e7eb;text-align:left}.smart-table thead tr th:first-child{border-top-left-radius:12px}.smart-table thead tr th:last-child{border-top-right-radius:12px}.smart-table .st-tr{transition:background-color .15s ease;border-bottom:1px solid #f1f5f9}.smart-table tbody tr:last-child .st-td{border-bottom:none}.smart-table .st-tr:hover{background:#f8fafc}.smart-table .st-td{padding:12px 16px;color:#111827;vertical-align:middle}.st-badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}.st-badge--percent{background:#fff;border:1px solid #60a5fa;color:#1d4ed8}.st-badge--completed{background:#2e7d32;color:#fff}.st-duedate{display:inline-flex;align-items:center;gap:6px;color:#334155;font-size:13px}.st-action{border:1px solid #e5e7eb;border-radius:8px;padding:6px;background:#fff;transition:background-color .15s ease,transform .05s ease;cursor:pointer}.st-action:hover{background:#f3f4f6}.st-action:active{transform:scale(.98)}.table-title-ellipsis{display:inline-block;max-width:600px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filters-wrapper{display:flex;flex-direction:row;align-items:center;gap:20px;flex:1;justify-content:flex-end}.filters-wrapper.mobile{flex-direction:column;align-items:stretch;gap:14px;width:100%}.filters-controls{display:flex;gap:16px;align-items:center;flex-wrap:wrap;flex:1}.filters-wrapper.mobile .filters-controls{flex-direction:column;align-items:stretch;gap:14px}.filters-search{flex:1;min-width:220px;background:#fff;border-radius:12px}.filters-row{display:flex;align-items:center;gap:14px;flex-wrap:nowrap}.filters-select{min-width:140px;border-radius:12px;background:#fff}.filters-toggle{border-radius:10px;overflow:hidden;display:flex}.filters-toggle .MuiToggleButton-root{text-transform:none;padding:4px 10px}@media(max-width:400px){.filters-controls,.filters-row{flex-direction:column!important;align-items:stretch!important;gap:10px!important}.filters-search{min-width:0!important;width:100%!important}.filters-select{width:100%!important}.filters-toggle{width:100%!important;justify-content:center!important}}.rewards-container{padding:2rem;background:var(--color-background);color:var(--color-foreground);min-height:100vh;transition:background-color .3s ease,color .3s ease}.header{margin-bottom:2rem;color:var(--color-primary);font-weight:700}.reward-card{padding:2rem;border-radius:16px;text-align:center;background:var(--color-card);color:var(--color-cardForeground);border:1px solid var(--color-border);box-shadow:0 6px 20px #00000014;transition:background-color .3s ease,color .3s ease,border-color .3s ease}.reward-icon{font-size:48px;margin-bottom:10px}.reward-text{font-weight:600;font-size:16px;color:var(--color-cardForeground)}.reward-subtext{font-size:13px;color:var(--color-muted);margin-top:4px}.gold{color:#fbc02d}.green{color:#4caf50}.red{color:#f44336}.math-analyzer-card{padding:20px;border-radius:12px;background:#fff;margin-top:20px}.math-analyzer-header{display:flex;justify-content:space-between;align-items:center}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;background:#fff;border-radius:10px;border-left:8px solid var(--color-primary)!important;padding:12px}.page-title{font-size:30px!important;font-weight:600!important;width:100%!important;font-family:system-ui!important;color:#000!important}.upload-section{text-align:center;display:flex;justify-content:center;align-items:center;height:120px}.upload-btn{background:linear-gradient(135deg,#667eea,#764ba2)!important;font-weight:700!important}.analysis-section{margin-top:20px}.analysis-heading{font-weight:600;margin-bottom:10px}.analysis-markdown{background:#f9fafb;padding:15px;border-radius:8px;font-size:.95rem;line-height:1.5}.disclaimer-box{margin-bottom:20px;padding:10px;border-radius:8px;background:#fff8e1;font-size:.85rem;color:#9c6f00}.history-section{margin-top:30px}.history-title{font-weight:600;display:flex;align-items:center;gap:5px}.history-card{padding:12px;border-radius:10px;cursor:pointer;transition:.2s ease}.history-card:hover{background:#f0f7ff}.history-filename{font-weight:600}.upload-section.dragging{border:2px dashed #1976d2;background-color:#1976d20d}.analysis-section{margin-top:20px;position:relative;z-index:1}.image-pane{padding:10px;border-radius:8px;background:#fafafa;display:flex;justify-content:center;align-items:center;height:100%}.analysis-image{max-width:100%;max-height:70vh;-o-object-fit:contain;object-fit:contain;border-radius:6px;box-shadow:0 2px 8px #00000026;position:relative;z-index:1}.analysis-block{background:#f9fafb;padding:15px;border-radius:8px;margin-bottom:16px;position:relative;z-index:2}@media(max-width:768px){.analysis-image{max-height:40vh}}