@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary:#fafafa;--bg-secondary:#fff;--bg-tertiary:#f4f4f5;--text-primary:#09090b;--text-secondary:#71717a;--text-muted:#a1a1aa;--border-color:#e4e4e7;--accent-color:#4f46e5;--accent-hover:#4338ca;--accent-light:#4f46e514;--success-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--card-shadow:0 10px 30px -10px #0000000d, 0 1px 3px #00000003;--modal-shadow:0 20px 40px -15px #00000026;--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:20px;--navbar-bg:#fafafabf;--transition-speed:.25s}[data-theme=dark]{--bg-primary:#09090b;--bg-secondary:#18181b;--bg-tertiary:#27272a;--text-primary:#fafafa;--text-secondary:#a1a1aa;--text-muted:#71717a;--border-color:#27272a;--accent-color:#6366f1;--accent-hover:#818cf8;--accent-light:#6366f11a;--success-color:#34d399;--danger-color:#f87171;--warning-color:#fbbf24;--card-shadow:0 10px 30px -15px #00000080, 0 1px 3px #0003;--modal-shadow:0 25px 50px -12px #000000b3;--navbar-bg:#09090bbf}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);transition:background-color var(--transition-speed) ease, color var(--transition-speed) ease;min-height:100vh;font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:2rem 1.5rem}.navbar{z-index:100;background-color:var(--navbar-bg);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);transition:background-color var(--transition-speed) ease, border-color 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ease;cursor:pointer;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-flex}.nav-text-link:hover{color:var(--accent-color)}.user-nav-badge{color:var(--text-primary);align-items:center;gap:.5rem;font-size:.85rem;font-weight:600;display:inline-flex}.user-nav-badge-role{text-transform:uppercase;color:var(--accent-color);letter-spacing:.05em;font-size:.72rem;font-weight:800}.navbar-actions{align-items:center;gap:1rem;display:flex}.theme-toggle-btn{border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;width:40px;height:40px;transition:all var(--transition-speed) ease;background:0 0;border-radius:50%;justify-content:center;align-items:center;display:flex}.theme-toggle-btn:hover{background-color:var(--bg-tertiary);border-color:var(--text-muted)}.btn{border-radius:var(--border-radius-sm);cursor:pointer;transition:all var(--transition-speed) ease;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-family:inherit;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--border-color)}.btn-outline{color:var(--text-primary);border-color:var(--border-color);background-color:#0000}.btn-outline:hover{background-color:var(--bg-tertiary)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{filter:brightness(.9)}.user-badge{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:20px;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.85rem;font-weight:500;display:flex}.user-badge-role{text-transform:uppercase;background-color:var(--accent-color);color:#fff;border-radius:4px;padding:.1rem .4rem;font-size:.75rem}.page-header{text-align:center;margin-top:1rem;margin-bottom:3rem}.page-title{letter-spacing:-.025em;margin-bottom:.75rem;font-size:2.5rem;font-weight:800}.page-title span{background:linear-gradient(135deg, var(--accent-color), #ec4899);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.page-subtitle{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.1rem}.filter-section{flex-direction:column;gap:1rem;margin-bottom:2.5rem;display:flex}.search-bar{width:100%;position:relative}.search-bar input{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);width:100%;color:var(--text-primary);transition:all var(--transition-speed) ease;box-shadow:var(--card-shadow);outline:none;padding:.8rem 1rem .8rem 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#6366f140}.subject-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;display:grid}.subject-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);box-shadow:var(--card-shadow);transition:all var(--transition-speed) cubic-bezier(.4, 0, .2, 1);cursor:pointer;flex-direction:column;gap:1rem;padding:1.5rem;display:flex;position:relative;overflow:visible}.subject-card:before{content:"";background:linear-gradient(90deg, var(--accent-color), #ec4899);opacity:0;height:4px;transition:opacity var(--transition-speed) ease;border-top-left-radius:var(--border-radius-md);border-top-right-radius:var(--border-radius-md);position:absolute;top:0;left:0;right:0}.subject-card:hover{border-color:var(--accent-color);box-shadow:0 12px 24px -8px #6366f126, var(--card-shadow);transform:translateY(-4px)}.subject-card:hover:before{opacity:1}.card-top{justify-content:space-between;align-items:center;display:flex}.emoji-wrapper{border-radius:var(--border-radius-sm);background-color:var(--bg-tertiary);border:1px solid var(--border-color);justify-content:center;align-items:center;width:48px;height:48px;font-size:1.75rem;display:flex}.subject-card h2{color:var(--text-primary);margin-top:.5rem;font-size:1.25rem;font-weight:700}.subject-card p{color:var(--text-secondary);flex-grow:1;font-size:.9rem}.card-footer{gap:.5rem;margin-top:.75rem;display:flex}.pill-btn{border:1px solid var(--border-color);background-color:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;transition:all var(--transition-speed) ease;white-space:nowrap;border-radius:20px;flex:1;justify-content:center;align-items:center;gap:.4rem;padding:.5rem .4rem;font-family:inherit;font-size:.72rem;font-weight:600;display:inline-flex}.pill-btn:not(.locked):not(.unavailable):hover{background-color:var(--accent-color);border-color:var(--accent-color);color:#fff}.pill-btn.locked{opacity:.5;cursor:pointer;background-color:var(--bg-tertiary);border-style:dashed}.pill-btn.locked:hover{background-color:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color);opacity:.8}.pill-btn.locked svg{color:var(--text-secondary)}.pill-btn.unavailable{opacity:.35;cursor:not-allowed;color:var(--text-muted);background-color:#0000}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background-color:#09090bcc;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);width:100%;max-width:440px;box-shadow:var(--modal-shadow);padding:2rem;animation:.3s cubic-bezier(.34,1.56,.64,1) modalScaleIn;position:relative}@keyframes modalScaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-close-btn{color:var(--text-secondary);cursor:pointer;width:32px;height:32px;transition:background-color var(--transition-speed) ease;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:1rem;right:1rem}.modal-close-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.modal-tabs{gap:.75rem;margin-bottom:1.5rem;display:flex}.modal-tab{text-align:center;color:var(--text-secondary);cursor:pointer;background-color:var(--bg-tertiary);border:1px solid var(--border-color);transition:all var(--transition-speed) ease;border-radius:20px;outline:none;flex:1;padding:.6rem 1rem;font-family:inherit;font-size:.9rem;font-weight:700}.modal-tab:hover:not(.active){background-color:var(--bg-secondary);border-color:var(--text-muted);color:var(--text-primary)}.modal-tab.active{background-color:var(--accent-color);border-color:var(--accent-color);color:#fff;box-shadow:0 4px 12px #6366f140}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-primary);margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:block}.form-group input,.form-group select{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition-speed) ease;outline:none;padding:.75rem 1rem;font-family:inherit;font-size:.9rem}.form-group input:focus,.form-group select:focus{border-color:var(--accent-color)}.role-selector{background-color:var(--bg-tertiary);border-radius:var(--border-radius-sm);border:1px solid var(--border-color);gap:.5rem;margin-bottom:1.5rem;padding:.25rem;display:flex}.role-btn{cursor:pointer;color:var(--text-secondary);transition:all var(--transition-speed) ease;background:0 0;border:none;border-radius:6px;flex:1;padding:.5rem;font-family:inherit;font-size:.85rem;font-weight:600}.role-btn.active{background-color:var(--bg-secondary);color:var(--text-primary);box-shadow:0 2px 4px #0000000d}.form-footer{text-align:center;color:var(--text-secondary);margin-top:1.5rem;font-size:.85rem}.form-footer button{color:var(--accent-color);cursor:pointer;background:0 0;border:none;font-family:inherit;font-weight:600}.form-footer button:hover{text-decoration:underline}.error-message{border:1px solid var(--danger-color);color:var(--danger-color);border-radius:var(--border-radius-sm);background-color:#ef44441a;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.75rem;font-size:.85rem;display:flex}.admin-header{border-bottom:1px solid 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p{color:var(--text-secondary);font-size:.85rem}.file-dropzone input{display:none}.selected-file-info{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);align-items:center;gap:.75rem;margin-top:1rem;padding:.75rem;font-size:.85rem;display:flex}.progress-bar-container{background-color:var(--bg-tertiary);border-radius:4px;width:100%;height:8px;margin-top:1rem;overflow:hidden}.progress-bar{background-color:var(--success-color);height:100%;transition:width .3s}.table-wrapper{border:1px solid var(--border-color);border-radius:var(--border-radius-sm);background-color:var(--bg-secondary);overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%;font-size:.9rem}.data-table th{background-color:var(--bg-tertiary);color:var(--text-primary);border-bottom:1px solid var(--border-color);padding:1rem;font-weight:600}.data-table td{border-bottom:1px solid var(--border-color);color:var(--text-secondary);padding:1rem}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background-color:var(--bg-tertiary)}.file-name-cell{color:var(--text-primary);font-weight:500}.table-badge{text-transform:capitalize;border-radius:4px;padding:.15rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.table-badge-notes{color:var(--accent-color);background-color:#6366f11a}.table-badge-qbank{color:var(--success-color);background-color:#10b9811a}.table-badge-pyq{color:var(--warning-color);background-color:#f59e0b1a}.empty-state{text-align:center;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:4rem 2rem;display:flex}.empty-state h3{color:var(--text-primary);font-size:1.25rem}.text-center{text-align:center}.mt-4{margin-top:1rem}.w-full{width:100%}.subject-dropdown-trigger{text-align:left;cursor:pointer;width:100%;color:var(--text-primary);transition:color var(--transition-speed) ease;background:0 0;border:none;outline:none;justify-content:space-between;align-items:center;padding:.5rem 0;display:flex}.subject-dropdown-trigger:hover{color:var(--accent-color)}.subject-dropdown-trigger h2{flex-grow:1;margin:0;font-size:1.25rem;font-weight:700}.subject-dropdown-trigger .chevron-icon{color:var(--text-secondary);transition:transform var(--transition-speed) ease;flex-shrink:0;margin-left:.5rem}.subject-dropdown-trigger:hover .chevron-icon{color:var(--accent-color)}.subject-description{color:var(--text-secondary);cursor:default;flex-grow:1;margin-bottom:.5rem;font-size:.9rem}.card-categories-row{border-top:1px solid var(--border-color);gap:.5rem;width:100%;margin-top:1rem;padding-top:1rem;display:flex;position:relative}.category-dropdown-container{flex:1;position:relative}.category-dropdown-btn{border:1px solid var(--border-color);background-color:var(--bg-tertiary);width:100%;color:var(--text-primary);cursor:pointer;transition:all var(--transition-speed) ease;white-space:nowrap;border-radius:20px;justify-content:center;align-items:center;gap:.35rem;padding:.55rem .4rem;font-family:inherit;font-size:.72rem;font-weight:600;display:inline-flex}.category-dropdown-btn:not(.locked):not(.unavailable):hover,.category-dropdown-btn.active{background-color:var(--accent-color);border-color:var(--accent-color);color:#fff}.category-dropdown-btn.locked{opacity:.5;cursor:pointer;background-color:var(--bg-tertiary);border-style:dashed}.category-dropdown-btn.locked:hover{background-color:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color);opacity:.8}.category-dropdown-btn.unavailable{opacity:.35;cursor:not-allowed;color:var(--text-muted);background-color:#0000}.drawer-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1200;background-color:#09090bb3;justify-content:flex-end;display:flex;position:fixed;inset:0}.drawer-container{background-color:var(--bg-secondary);border-left:1px solid var(--border-color);width:100%;max-width:440px;height:100vh;box-shadow:var(--modal-shadow);flex-direction:column;padding:2rem 1.5rem;animation:.3s cubic-bezier(.16,1,.3,1) slideInRight;display:flex;position:relative}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-header{justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem;display:flex}.drawer-subtitle{text-transform:uppercase;letter-spacing:.05em;color:var(--accent-color);font-size:.8rem;font-weight:700}.drawer-title{color:var(--text-primary);margin-top:.25rem;font-size:1.5rem;font-weight:800}.drawer-close-btn{cursor:pointer;color:var(--text-secondary);transition:all var(--transition-speed) ease;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:.25rem;display:flex}.drawer-close-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.drawer-search{margin-bottom:1.5rem;position:relative}.drawer-search input{border:1px solid var(--border-color);background-color:var(--bg-tertiary);border-radius:var(--border-radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition-speed) ease;outline:none;padding:.65rem .75rem .65rem 2.25rem;font-family:inherit;font-size:.9rem}.drawer-search input:focus{border-color:var(--accent-color)}.drawer-search-icon{color:var(--text-muted);position:absolute;top:50%;left:.75rem;transform:translateY(-50%)}.drawer-body{flex-grow:1;margin-right:-.5rem;padding-right:.5rem;overflow-y:auto}.drawer-files-list{flex-direction:column;gap:.75rem;display:flex}.drawer-actions-toolbar{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);justify-content:space-between;align-items:center;margin-bottom:1.25rem;padding:.6rem .85rem;display:flex}.select-all-label{cursor:pointer;color:var(--text-primary);-webkit-user-select:none;user-select:none;align-items:center;gap:.5rem;font-size:.82rem;font-weight:700;display:flex}.select-all-label input[type=checkbox]{cursor:pointer;width:15px;height:15px;accent-color:var(--accent-color)}.btn-download-all{border-radius:20px;align-items:center;gap:.35rem;padding:.45rem .75rem;font-size:.76rem;font-weight:600;display:inline-flex}.drawer-file-item-row{border-radius:var(--border-radius-sm);border:1px solid var(--border-color);background-color:var(--bg-tertiary);transition:all var(--transition-speed) ease;align-items:center;gap:.75rem;padding:.65rem .85rem;display:flex}.drawer-file-item-row:hover{border-color:var(--accent-color);background-color:var(--bg-secondary)}.file-select-checkbox{cursor:pointer;width:16px;height:16px;accent-color:var(--accent-color);flex-shrink:0}.drawer-file-item-link{color:var(--text-primary);cursor:pointer;flex-grow:1;align-items:center;gap:.75rem;text-decoration:none;display:flex;overflow:hidden}.file-icon-wrapper{width:34px;height:34px;color:var(--accent-color);transition:all var(--transition-speed) ease;background-color:#6366f11a;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.drawer-file-item-row:hover .file-icon-wrapper{background-color:var(--accent-color);color:#fff}.file-info{flex-direction:column;flex-grow:1;display:flex;overflow:hidden}.file-name{white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.file-date{color:var(--text-secondary);margin-top:.15rem;font-size:.72rem}.file-download-action-btn{width:30px;height:30px;color:var(--text-secondary);transition:all var(--transition-speed) ease;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.file-download-action-btn:hover{background-color:var(--accent-light);color:var(--accent-color)}.drawer-empty{color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:3rem 0;display:flex}