@import"https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css";@import"https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&display=swap";.nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;padding:0 var(--space-5);height:56px;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:background .3s,border-color .3s}.nav-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--teal2));color:var(--bg);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex-shrink:0}.nav-logo{height:32px;width:auto;display:block}.nav-brand{font-size:16px;font-weight:800;color:var(--white);text-decoration:none;letter-spacing:-.3px}.nav-right{display:flex;align-items:center;gap:var(--space-3);margin-left:auto}.nav-theme-btn{background:none;border:none;font-size:18px;cursor:pointer;padding:var(--space-1);border-radius:var(--radius-sm);transition:var(--transition)}.nav-theme-btn:hover{background:var(--card2)}.nav-user-btn{display:flex;align-items:center;gap:var(--space-2);padding:6px 12px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--white);font-family:Outfit,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:var(--transition)}.nav-user-btn:hover{border-color:#00c9b866}.nav-dropdown{position:fixed;top:62px;right:var(--space-5);z-index:300;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:200px;display:none;flex-direction:column;overflow:hidden;animation:slideIn .15s ease}.nav-dropdown.open{display:flex}.nav-dropdown-item{display:flex;align-items:center;gap:var(--space-2);padding:11px var(--space-4);font-size:14px;font-weight:600;color:var(--white);text-decoration:none;background:none;border:none;cursor:pointer;font-family:Outfit,sans-serif;transition:var(--transition);text-align:left}.nav-dropdown-item:hover{background:var(--card2)}.nav-dropdown-item--danger{color:var(--red)}.nav-dropdown-divider{height:1px;background:var(--border);margin:4px 0}#toast-container[data-astro-cid-oozri3xh]{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast[data-astro-cid-oozri3xh]{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:var(--radius-md);font-family:Outfit,sans-serif;font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);animation:slideIn .3s ease;pointer-events:auto;max-width:340px}.toast--success[data-astro-cid-oozri3xh]{background:var(--green);color:#080e1c}.toast--error[data-astro-cid-oozri3xh]{background:var(--red);color:#fff}.toast--info[data-astro-cid-oozri3xh]{background:var(--card);color:var(--white);border:1.5px solid var(--border)}.toast--hide[data-astro-cid-oozri3xh]{animation:fadeOut .3s ease forwards}@keyframes fadeOut{to{opacity:0;transform:translate(20px)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%}body{font-family:Outfit,system-ui,sans-serif;background:var(--bg);color:var(--white);line-height:1.5}:root{--bg: #080e1c;--card: #0f1a2e;--card2: #152035;--border: rgba(255,255,255,.07);--teal: #00c9b8;--teal2: #00f0dc;--gold: #ffd166;--green: #3dd68c;--purple: #c084fc;--red: #f87171;--white: #e2eaf6;--muted: #5c7094;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0,0,0,.2);--shadow-md: 0 8px 24px rgba(0,0,0,.25);--shadow-lg: 0 16px 48px rgba(0,0,0,.3);--transition: all .2s ease;--transition-slow: all .35s ease;--nav-bg: rgba(8, 14, 28, .85)}[data-theme=light]{--bg: #f0f4fa;--card: #ffffff;--card2: #e8edf7;--border: rgba(0,0,0,.09);--teal: #009e90;--teal2: #00c9b8;--gold: #c08a00;--green: #1e9e5e;--purple: #8b44d4;--red: #dc2626;--white: #1a2340;--muted: #6b7a99;--nav-bg: rgba(240, 244, 250, .9)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.visually-hidden{opacity:0;pointer-events:none}@keyframes slideIn{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.school-search-wrap{position:relative}.school-search-input{width:100%;background:var(--card2);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:11px 14px;font-family:Outfit,sans-serif;font-size:14px;font-weight:600;color:var(--white);outline:none;transition:var(--transition)}.school-search-input::placeholder{color:var(--muted)}.school-search-input:focus{border-color:#00c9b873;box-shadow:0 0 0 3px #00c9b81a}.school-dropdown{display:none;position:absolute;left:0;right:0;top:100%;z-index:999;background:var(--card);border:1.5px solid var(--teal);border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md);max-height:200px;overflow-y:auto;box-shadow:var(--shadow-md);cursor:pointer}.school-dropdown-item{padding:11px 16px;font-size:13px;font-weight:600;cursor:pointer;border-bottom:1px solid var(--border);transition:background .15s;color:var(--white)}.school-dropdown-item:hover{background:#00c9b814;color:var(--teal)}.school-dropdown-empty{padding:12px 16px;font-size:13px;color:var(--muted)}.school-error{display:none;font-size:12px;color:var(--red);margin-top:6px;font-weight:600}.toast{position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:600;z-index:999;opacity:0;transform:translateY(8px);transition:all .25s ease;pointer-events:none}.toast.show{opacity:1;transform:none}.toast.success{background:#3dd68c26;border:1.5px solid rgba(61,214,140,.4);color:#3dd68c}.toast.error{background:#ef444426;border:1.5px solid rgba(239,68,68,.4);color:#ef4444}.toast.info{background:#00c9b81f;border:1.5px solid rgba(0,201,184,.3);color:var(--teal)}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(4px);z-index:500;display:flex;align-items:center;justify-content:center;padding:24px}.modal{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:480px;box-shadow:0 24px 60px #0009;animation:slideIn .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:18px;font-weight:800;color:var(--white)}.modal-close{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm);transition:var(--transition)}.modal-close:hover{background:var(--card2);color:var(--white)}.modal-body{padding:20px 24px;display:flex;flex-direction:column;gap:16px}.modal-footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 24px;border-top:1px solid var(--border)}.modal-hint{font-size:12px;color:var(--muted)}.modal-field{display:flex;flex-direction:column;gap:6px}.modal-field label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}.modal-field input,.modal-field select{padding:10px 14px;background:var(--card2);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--white);font-family:Outfit,sans-serif;font-size:14px;outline:none;transition:var(--transition)}.modal-field input:focus,.modal-field select:focus{border-color:var(--teal)}.modal-field select option{background:var(--card2)}.btn-cancel{padding:10px 20px;background:none;border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--muted);font-family:Outfit,sans-serif;font-weight:700;font-size:14px;cursor:pointer;transition:var(--transition)}.btn-cancel:hover{border-color:var(--white);color:var(--white)}.btn-save{padding:10px 20px;background:linear-gradient(135deg,var(--teal),var(--teal2));border:none;border-radius:var(--radius-md);color:var(--bg);font-family:Outfit,sans-serif;font-weight:800;font-size:14px;cursor:pointer;transition:var(--transition)}.btn-save:hover{transform:translateY(-1px);box-shadow:0 6px 20px #00c9b84d}.btn-save:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-outline{padding:9px 16px;background:none;border:1.5px solid var(--teal);border-radius:var(--radius-md);color:var(--teal);font-family:Outfit,sans-serif;font-weight:700;font-size:13px;cursor:pointer;transition:var(--transition)}.btn-outline:hover{background:#00c9b81a}.btn-ghost{padding:9px 14px;background:none;border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--muted);font-family:Outfit,sans-serif;font-weight:700;font-size:13px;cursor:pointer;transition:var(--transition)}.btn-ghost:hover{border-color:var(--white);color:var(--white)}.btn-remove{padding:5px 12px;background:none;border:1.5px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);color:#ef4444;font-family:Outfit,sans-serif;font-size:12px;font-weight:700;cursor:pointer;transition:var(--transition)}.btn-remove:hover{background:#ef44441a}.table-wrap{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table thead tr{background:#ffffff0a;border-bottom:1.5px solid var(--border)}.data-table th{padding:12px 16px;text-align:left;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--muted);white-space:nowrap}.data-table td{padding:13px 16px;border-bottom:1px solid rgba(255,255,255,.04);color:var(--white);vertical-align:middle}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover td{background:#ffffff05}.loading-cell{text-align:center;color:var(--muted);padding:40px!important}.skeleton-list{display:flex;flex-direction:column;gap:8px}.skeleton-row{height:66px;border-radius:var(--radius-md);background:var(--card);border:1.5px solid var(--border);animation:pulse 1.4s ease infinite}.empty-state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 24px;text-align:center}.empty-icon{font-size:2.5rem}.empty-text{font-size:.9rem;color:var(--muted);font-weight:600;max-width:360px;line-height:1.6}.error-state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 24px;text-align:center;color:var(--red);font-size:.9rem;font-weight:600}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.anim-in{animation:fadeUp .28s ease both}.admin-wrap{max-width:1100px;margin:0 auto;padding:32px 24px 80px}.admin-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:32px}.admin-header h1{font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--teal),var(--teal2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}.admin-subtitle{color:var(--muted);font-size:14px}.admin-status{font-size:13px;color:var(--muted);padding-top:8px}.tabs{display:flex;gap:8px;margin-bottom:24px;background:#ffffff0a;padding:5px;border-radius:var(--radius-md);border:1px solid var(--border);width:fit-content}.tab{padding:9px 20px;border-radius:9px;font-family:Outfit,sans-serif;font-weight:700;font-size:14px;cursor:pointer;background:none;border:none;color:var(--muted);transition:var(--transition)}.tab.active{background:linear-gradient(135deg,var(--teal),var(--teal2));color:var(--bg);box-shadow:0 4px 15px #00c9b84d}.panel-toolbar{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}.search-input,.select-input{padding:10px 14px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--white);font-family:Outfit,sans-serif;font-size:14px;outline:none;transition:var(--transition)}.search-input{flex:1;min-width:200px}.search-input:focus,.select-input:focus{border-color:var(--teal)}.select-input option{background:var(--card2)}.btn-add{padding:10px 18px;background:linear-gradient(135deg,var(--teal),var(--teal2));color:var(--bg);border:none;border-radius:var(--radius-md);font-family:Outfit,sans-serif;font-weight:700;font-size:14px;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn-add:hover{transform:translateY(-1px);box-shadow:0 6px 20px #00c9b84d}.role-badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.role-student{background:#00c9b826;color:var(--teal)}.role-teacher{background:#c084fc26;color:#c084fc}.role-school_admin{background:#fbbf2426;color:#fbbf24}.role-admin{background:#ef444426;color:#ef4444}.btn-edit,.btn-delete,.btn-add-student{padding:5px 12px;border-radius:var(--radius-sm);font-family:Outfit,sans-serif;font-size:12px;font-weight:700;cursor:pointer;border:1.5px solid;transition:var(--transition)}.btn-edit{background:none;border-color:var(--border);color:var(--muted)}.btn-edit:hover{border-color:var(--teal);color:var(--teal)}.btn-add-student{background:none;border-color:#3dd68c4d;color:var(--green);margin-left:6px}.btn-add-student:hover{background:#3dd68c1a;border-color:var(--green)}.btn-delete{background:none;border-color:#ef44444d;color:#ef4444;margin-left:6px}.btn-delete:hover{background:#ef44441a}.student-picker-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--card2);cursor:pointer;font-size:13px;font-weight:600;color:var(--white);transition:var(--transition)}.student-picker-row:hover{border-color:var(--teal);background:#00c9b80f}.student-picker-row input[type=radio]{accent-color:var(--teal);flex-shrink:0}.members-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--card2);border:1.5px solid var(--border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-bottom:none}.members-title{font-size:16px;font-weight:800;color:var(--white)}.members-sub{font-size:13px;color:var(--muted);margin-top:2px}.members-close{padding:6px 14px;border-radius:var(--radius-sm);background:none;border:1.5px solid var(--border);color:var(--muted);font-family:Outfit,sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:var(--transition)}.members-close:hover{border-color:var(--red);color:var(--red)}.class-row-clickable{cursor:pointer}.class-row-clickable:hover td{background:#00c9b80a!important}.class-row-clickable.row-active td{background:#00c9b814!important;border-left:3px solid var(--teal)}.student-count-badge{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:20px;padding:0 7px;background:#00c9b81f;border:1px solid rgba(0,201,184,.25);border-radius:99px;font-size:12px;font-weight:700;color:var(--teal);cursor:pointer}.btn-remove-student{padding:4px 10px;border-radius:var(--radius-sm);font-family:Outfit,sans-serif;font-size:12px;font-weight:700;cursor:pointer;border:1.5px solid rgba(239,68,68,.3);color:#ef4444;background:none;transition:var(--transition)}.btn-remove-student:hover{background:#ef44441a}.due-chip{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:700;white-space:nowrap}.due-overdue{background:#ef444426;color:#ef4444}.due-today{background:#fbbf2426;color:#fbbf24}.due-soon{background:#00c9b826;color:var(--teal)}.due-future{background:#ffffff12;color:var(--muted)}.due-none{background:#ffffff0d;color:var(--muted)}.type-chip{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;background:#c084fc26;color:#c084fc}.inline-input,.inline-select{width:100%;padding:6px 10px;background:var(--card2);border:1.5px solid var(--teal);border-radius:var(--radius-sm);color:var(--white);font-family:Outfit,sans-serif;font-size:13px;outline:none;min-width:80px}.inline-input[type=datetime-local]{min-width:160px}.row-editing td{background:#00c9b80a!important}.btn-save-inline{padding:5px 12px;border-radius:var(--radius-sm);font-family:Outfit,sans-serif;font-size:12px;font-weight:700;cursor:pointer;border:none;background:linear-gradient(135deg,var(--teal),var(--teal2));color:var(--bg);transition:var(--transition);white-space:nowrap}.btn-save-inline:hover{transform:translateY(-1px)}.btn-cancel-inline{padding:5px 10px;border-radius:var(--radius-sm);font-family:Outfit,sans-serif;font-size:12px;font-weight:700;cursor:pointer;background:none;border:1.5px solid var(--border);color:var(--muted);transition:var(--transition);white-space:nowrap;margin-left:4px}.btn-cancel-inline:hover{border-color:var(--white);color:var(--white)}.modal-backdrop{position:fixed;inset:0;z-index:5000;background:#000000b3;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px}.modal--sm{max-width:420px}.modal-title{font-size:1rem;font-weight:800}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;cursor:pointer;transition:var(--transition)}.drop-zone:hover,.drop-zone--over{border-color:var(--teal);background:#00c9b80a}.drop-zone--loaded{border-color:var(--green);background:#3dd68c0a;border-style:solid}.drop-icon{font-size:2rem;margin-bottom:8px}.drop-label{font-size:.95rem;font-weight:700;margin-bottom:4px}.drop-sub{font-size:.8rem;color:var(--muted)}.or-divider{display:flex;align-items:center;gap:12px;font-size:.75rem;font-weight:700;color:var(--muted)}.or-divider:before,.or-divider:after{content:"";flex:1;height:1px;background:var(--border)}.html-paste{width:100%;padding:12px 14px;border-radius:var(--radius-md);background:var(--card2);border:1.5px solid var(--border);color:var(--white);font-family:DM 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1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field--full{grid-column:1/-1}.field-label{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.field-input{padding:10px 14px;border-radius:var(--radius-md);background:var(--card2);border:1.5px solid var(--border);color:var(--white);font-family:Outfit,sans-serif;font-size:.9rem;font-weight:600;outline:none;transition:var(--transition)}.field-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #00c9b81a}.field-input option{background:var(--card)}.vis-row{display:flex;align-items:center}.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}.toggle-label input{display:none}.toggle-track{width:40px;height:22px;border-radius:11px;background:var(--card2);border:1.5px solid var(--border);position:relative;transition:var(--transition);flex-shrink:0}.toggle-thumb{width:16px;height:16px;border-radius:50%;background:var(--muted);position:absolute;top:2px;left:2px;transition:var(--transition)}.toggle-label input:checked+.toggle-track{background:#00c9b833;border-color:var(--teal)}.toggle-label input:checked+.toggle-track .toggle-thumb{background:var(--teal);transform:translate(18px)}.toggle-text{font-size:.88rem;font-weight:600;color:var(--muted)}.confirm-text{font-size:.9rem;line-height:1.6;color:var(--muted)}.confirm-text strong{color:var(--white)}.vis-toggle{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;border:1.5px 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var(--border);color:var(--white);font-family:Outfit,sans-serif;font-size:.88rem;outline:none;transition:var(--transition)}.filter-search::placeholder{color:var(--muted)}.filter-search:focus{border-color:var(--teal)}.lesson-count-badge{font-size:.8rem;font-weight:700;color:var(--muted);white-space:nowrap}.group-block{margin-bottom:28px}.group-label{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:8px}.group-count{background:#00c9b81f;border:1px solid rgba(0,201,184,.2);border-radius:20px;padding:1px 9px;font-size:.7rem;color:var(--teal)}.lesson-table{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.table-head{display:grid;grid-template-columns:1fr 120px 70px 120px 80px;padding:10px 16px;background:var(--card2);border-bottom:1.5px solid var(--border);font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.table-row{display:grid;grid-template-columns:1fr 120px 70px 120px 80px;padding:13px 16px;align-items:center;border-bottom:1px solid var(--border);transition:background .15s}.table-row:last-child{border-bottom:none}.table-row:hover{background:#ffffff05}.lesson-title-cell{font-size:.9rem;font-weight:700}.lesson-topic-cell{font-size:.82rem;color:var(--muted)}.lesson-order-cell{font-size:.85rem;color:var(--muted);font-weight:700}.row-actions{display:flex;gap:6px;justify-content:flex-end}.action-btn{width:32px;height:32px;border-radius:var(--radius-sm);border:1.5px solid 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#0000004d}.class-card.active{border-color:var(--teal);background:#00c9b80d}.class-card-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}.class-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;background:#00c9b81a;border:1.5px solid rgba(0,201,184,.2)}.class-card-menu{position:relative}.class-menu-btn{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm);transition:var(--transition);line-height:1}.class-menu-btn:hover{background:var(--card2);color:var(--white)}.class-dropdown{position:absolute;right:0;top:100%;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:160px;display:none;flex-direction:column;z-index:100;overflow:hidden}.class-dropdown.open{display:flex}.class-dropdown-item{padding:10px 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rgba(0,201,184,.35);padding:7px 16px;border-radius:24px;margin-bottom:24px;background:linear-gradient(135deg,#00c9b81a,#00c9b80d);box-shadow:0 4px 15px #00c9b81f}.home-subtitle{font-size:17px;color:var(--muted);font-weight:500;max-width:480px;margin:0 auto;line-height:1.7}.cat-grid{width:100%;max-width:780px;display:grid;grid-template-columns:1fr 1fr;gap:16px;animation:slideIn .6s .15s ease both}@media (max-width:520px){.cat-grid{grid-template-columns:1fr}}.teacher-tiles{display:grid;grid-template-columns:1fr 1fr 1fr}@media (max-width:600px){.teacher-tiles{grid-template-columns:1fr}}.profile-tile{display:flex;align-items:center;gap:14px;background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:16px 20px;text-decoration:none;color:var(--white);transition:all .25s;box-shadow:0 4px 16px #00000026}.profile-tile:hover{border-color:#00c9b866;transform:translateY(-2px);box-shadow:0 8px 28px #00c9b826}.profile-icon{width:40px;height:40px;border-radius:11px;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#00c9b814;border:1.5px solid rgba(0,201,184,.2)}.profile-text{flex:1}.profile-title{font-size:14px;font-weight:700;margin-bottom:2px}.profile-sub{font-size:11px;color:var(--muted)}.profile-arrow{flex-shrink:0;opacity:.3;color:var(--teal);transition:opacity .2s,transform .2s}.profile-tile:hover .profile-arrow{opacity:1;transform:translate(2px)}.hof-scope-bar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.hof-scope-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--card);border:1.5px solid var(--border);border-radius:10px;font-family:Outfit,sans-serif;font-size:13px;font-weight:700;color:var(--muted);cursor:pointer;transition:var(--transition)}.hof-scope-btn:hover{border-color:var(--teal);color:var(--teal)}.hof-scope-btn.active{background:#00c9b81a;border-color:#00c9b873;color:var(--teal)}.hof-class-select{background:transparent;border:none;outline:none;color:var(--teal);font-family:Outfit,sans-serif;font-size:13px;font-weight:700;cursor:pointer;max-width:160px}.hof-class-select option{background:var(--card2);color:var(--white)}.teacher-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.class-filter{background:var(--card2);border:1.5px solid var(--border);border-radius:9px;padding:7px 32px 7px 12px;color:var(--white);font-family:Outfit,sans-serif;font-size:12px;font-weight:600;outline:none;cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 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ease}.panel.hidden{display:none}.panel.fading{opacity:0;transform:translateY(10px);pointer-events:none}.panel-heading{display:flex;align-items:center;gap:12px;padding-bottom:14px;margin-bottom:20px;border-bottom:1.5px solid var(--border)}.panel-icon{width:38px;height:38px;border-radius:9px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:900;color:#000;background:var(--teal)}.panel-title{font-size:1.3rem;font-weight:800}.panel-sub{font-size:.85rem;color:var(--muted);margin-top:2px}.year-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}@media (max-width:600px){.year-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:380px){.year-grid{grid-template-columns:repeat(2,1fr)}}.class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}@media (max-width:480px){.class-grid{grid-template-columns:repeat(2,1fr)}}.choice-card{background:var(--card2);border:2px solid var(--border);border-radius:var(--radius-md);padding:18px 10px;text-align:center;cursor:pointer;transition:var(--transition);user-select:none;position:relative;overflow:hidden}.choice-card:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,201,184,.07) 0%,transparent 60%);opacity:0;transition:opacity .15s}.choice-card:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:0 6px 20px #00c9b826}.choice-card:hover:after{opacity:1}.choice-card:active{transform:translateY(0)}.choice-card.selected{border-color:var(--teal);background:#00c9b814;box-shadow:0 0 0 3px #00c9b833}.card-num{font-size:2rem;font-weight:900;color:var(--teal);line-height:1;margin-bottom:4px}.card-label{font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.class-card .card-num{font-size:1rem;color:var(--white)}.card-accent{display:inline-block;width:8px;height:8px;border-radius:50%;margin-bottom:8px}.acc-p1{background:var(--teal)}.acc-p2{background:var(--gold)}.acc-p3{background:#4fa9ff}.acc-found{background:var(--purple)}.acc-ess{background:var(--gold)}.acc-app{background:var(--green)}.acc-meth{background:var(--red)}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}.bc-item{cursor:pointer;transition:color .12s;font-weight:600}.bc-item:hover{color:var(--teal)}.bc-sep{color:var(--border)}.bc-current{color:var(--white);font-weight:700;cursor:default}.sel-summary{background:var(--card2);border:1.5px solid var(--border);border-left:4px solid var(--teal);border-radius:var(--radius-md);padding:14px 20px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:10px}.sel-summary--flex{flex:1;min-width:160px;margin-bottom:0}.sel-summary--gold{border-left-color:var(--gold)}.sel-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);font-weight:700;margin-bottom:3px}.sel-value{font-size:1.05rem;font-weight:800}.back-btn{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);padding:8px 16px;font-size:.88rem;font-weight:700;cursor:pointer;font-family:Outfit,sans-serif;transition:var(--transition);flex-shrink:0}.back-btn:hover{border-color:var(--teal);color:var(--teal)}.group-page{max-width:720px;margin:0 auto;padding-top:8px}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--muted);text-decoration:none;margin-bottom:24px;transition:var(--transition)}.back-link:hover{color:var(--teal)}.topic-back-link{display:inline-flex;align-items:center;font-size:.82rem;font-weight:700;color:var(--muted);text-decoration:none;margin-bottom:20px;padding:7px 14px;background:var(--card2);border:1.5px solid var(--border);border-radius:var(--radius-sm);transition:var(--transition)}.topic-back-link:hover{color:var(--teal);border-color:var(--teal)}.page-header{display:flex;align-items:center;gap:18px;margin-bottom:32px}.header-icon{width:58px;height:58px;border-radius:16px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:900;border:2px solid transparent}.header-eyebrow{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;opacity:.8;margin-bottom:2px}.header-text h1{font-size:1.8rem;font-weight:800;line-height:1.1;margin-bottom:5px}.header-sub{font-size:.88rem;color:var(--muted);font-weight:600}.lesson-list,.topic-group{display:flex;flex-direction:column;gap:8px}.topic-label{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:4px;padding-left:4px}.lesson-card{display:flex;align-items:center;gap:16px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:14px 18px;text-decoration:none;color:var(--white);transition:var(--transition);position:relative;overflow:hidden;animation:fadeUp .3s ease both}.lesson-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);border-radius:var(--radius-md) 0 0 var(--radius-md);transition:width .15s}.lesson-card:hover{border-color:var(--accent);transform:translate(4px);box-shadow:var(--shadow-md)}.lesson-card:hover:before{width:5px}.lesson-card--viewed{opacity:.7}.lesson-card--viewed:hover{opacity:1}.lesson-num{flex-shrink:0;width:38px;height:38px;border-radius:9px;background:var(--card2);border:1.5px solid;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:900}.lesson-info{flex:1;min-width:0}.lesson-title{font-size:.95rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-topic{font-size:.75rem;color:var(--muted);margin-top:2px}.lesson-arrow{flex-shrink:0;font-size:1.2rem;color:var(--muted);transition:var(--transition)}.lesson-card:hover .lesson-arrow{transform:translate(3px);color:var(--accent)}.viewed-badge{flex-shrink:0;font-size:.7rem;font-weight:800;padding:3px 9px;border-radius:20px;background:#3dd68c1a;border:1px solid rgba(61,214,140,.25);color:var(--green)}.tasks-wrap{max-width:780px;margin:0 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ease-out}@keyframes gp-die-shake{0%,to{transform:rotate(0) scale(1)}20%{transform:rotate(-10deg) scale(1.08)}45%{transform:rotate(10deg) scale(1.11)}65%{transform:rotate(-6deg) scale(1.06)}82%{transform:rotate(4deg) scale(1.03)}}@keyframes gp-bust-flash{0%{transform:scale(1)}40%{transform:scale(1.15)}to{transform:scale(1)}}.status-banner{padding:14px 18px;border-radius:var(--radius-md);background:var(--card2);border:1px solid var(--border);font-size:15px;font-weight:600;text-align:center;color:var(--white);transition:background .3s,border-color .3s,color .3s;min-height:52px;display:flex;align-items:center;justify-content:center}.status-banner.busted{background:#f871711f;border-color:#f871714d;color:var(--red)}.gp-btns{display:flex;gap:var(--space-3)}.gp-btn{flex:1;padding:14px 16px;border-radius:var(--radius-md);border:none;font-family:Outfit,sans-serif;font-size:16px;font-weight:700;cursor:pointer;transition:var(--transition)}.btn-roll{background:var(--teal);color:#080e1c;box-shadow:0 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var(--border);background:var(--card);color:var(--white);font-family:Outfit,sans-serif;font-size:18px;font-weight:600;text-align:center;outline:none;transition:var(--transition)}.join-input:focus{border-color:var(--teal)}.join-input::placeholder{color:var(--muted);font-weight:400}.join-btn{width:100%;max-width:340px;padding:15px;border-radius:var(--radius-md);border:none;background:var(--teal);color:#080e1c;font-family:Outfit,sans-serif;font-size:17px;font-weight:700;cursor:pointer;transition:var(--transition)}.join-btn:hover{background:var(--teal2)}.join-btn:active{transform:scale(.97)}.join-btn:disabled{opacity:.6;cursor:default}.join-error{color:var(--red);font-size:14px;min-height:18px}#sv-game{flex-direction:column;width:100%;max-width:480px}.gs-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border)}.gs-pig{font-size:22px}.gs-round-lbl{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}.gs-name{font-size:15px;font-weight:600;color:var(--teal)}.bust-badge{margin:12px 20px 0;padding:10px 16px;border-radius:10px;background:var(--card);border:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--muted)}.bust-badge-val{font-size:22px;font-weight:800;color:var(--red)}.gs-status{margin:12px 20px;padding:13px 16px;border-radius:var(--radius-md);background:var(--card2);border:1px solid var(--border);font-size:15px;font-weight:600;text-align:center;color:var(--white);transition:background .3s,border-color .3s,color 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var(--border)}.page-main{max-width:860px;margin:0 auto;padding:80px 24px}.page-main--full{max-width:100%;padding:56px 0 0}