@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--font: "Inter", system-ui, sans-serif;--bg: #0f1219;--bg-raised: #181c26;--bg-elevated: #1f2533;--bg-card: #252d3d;--border: #2e384d;--border-light: #3e4b66;--text: #f1f5f9;--text-muted: #cbd5e1;--text-dim: #94a3b8;--accent: #3b82f6;--accent-hover: #2563eb;--accent-soft: rgba(59, 130, 246, .15);--accent-glow: rgba(59, 130, 246, .4);--green: #10b981;--yellow: #f59e0b;--red: #ef4444;--purple: #8b5cf6;--teal: #14b8a6;--radius: 10px;--radius-lg: 16px;--sidebar-w: 260px;--topbar-h: 64px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .5);--transition: .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg: #f8fafc;--bg-raised: #ffffff;--bg-elevated: #f1f5f9;--bg-card: #ffffff;--border: #e2e8f0;--border-light: #cbd5e1;--text: #0f172a;--text-muted: #475569;--text-dim: #94a3b8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:var(--font)}input,textarea,select{font-family:var(--font)}img,svg{display:block}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-nav{position:absolute;left:-9999px;top:0;z-index:9999;padding:8px 16px;background:var(--accent);color:#fff;font-weight:600;border-radius:0 0 8px;text-decoration:none}.skip-nav:focus{left:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:99px}h1{font-size:1.6rem;font-weight:700;letter-spacing:-.02em}h2{font-size:1.25rem;font-weight:600}h3{font-size:1rem;font-weight:600}.app-layout{display:flex;height:100vh;overflow:hidden}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}.page-content{flex:1;overflow-y:auto;padding:28px 32px}.sidebar{width:var(--sidebar-w);background:var(--bg-raised);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:0;flex-shrink:0;overflow:hidden;transition:width .2s cubic-bezier(.4,0,.2,1)}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:1.05rem;color:var(--text)}.sidebar-logo .logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--accent),var(--purple));border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0}.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}.nav-section-label{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);padding:10px 12px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);color:var(--text-muted);font-size:.88rem;font-weight:500;cursor:pointer;transition:all var(--transition);border:none;background:none;width:100%;text-align:left;text-decoration:none}.nav-item:hover{background:var(--bg-elevated);color:var(--text)}.nav-item.active{background:var(--accent-soft);color:var(--accent)}.nav-item svg{flex-shrink:0}.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}.topbar{height:var(--topbar-h);background:var(--bg-raised);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 28px;gap:16px;flex-shrink:0}.topbar-title{font-weight:600;font-size:1rem;flex:1}.topbar-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--radius);font-size:.875rem;font-weight:500;border:1px solid transparent;transition:all var(--transition);white-space:nowrap}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-secondary{background:var(--bg-elevated);color:var(--text);border-color:var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-ghost{background:transparent;color:var(--text-muted);border-color:transparent}.btn-ghost:hover{background:var(--bg-elevated);color:var(--text)}.btn-danger{background:transparent;color:var(--red);border-color:var(--red)}.btn-danger:hover{background:var(--red);color:#fff}.btn-sm{padding:5px 11px;font-size:.8rem}.btn-lg{padding:11px 22px;font-size:.95rem}.btn-icon{padding:7px;min-width:24px;min-height:24px}.btn:disabled{opacity:.4;cursor:not-allowed}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.form-group{display:flex;flex-direction:column;gap:6px}label{font-size:.82rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.input,input[type=text],input[type=email],input[type=number],textarea,select{width:100%;padding:9px 12px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.9rem;transition:border-color var(--transition);outline:none}.input:focus,input[type=text]:focus,input[type=email]:focus,input[type=number]:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:72px}select option{background:var(--bg-card)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:99px;font-size:.75rem;font-weight:600}.badge-blue{background:#3b82f626;color:var(--accent)}.badge-green{background:#22c55e26;color:var(--green)}.badge-yellow{background:#f59e0b26;color:var(--yellow)}.badge-red{background:#ef444426;color:var(--red)}.badge-purple{background:#8b5cf626;color:var(--purple)}.data-table{width:100%;border-collapse:collapse;font-size:.875rem}.data-table th{text-align:left;padding:10px 14px;background:var(--bg-elevated);color:var(--text-muted);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border)}.data-table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tbody tr:hover{background:var(--bg-elevated)}.rubric-grid{width:100%;border-collapse:collapse;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}.rubric-grid th{padding:14px 16px;font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;text-align:center}.rubric-grid td{padding:12px 14px;border:1px solid var(--border);vertical-align:top;font-size:.875rem}.rubric-grid .criterion-cell{font-weight:600;min-width:180px;background:var(--bg-elevated)}.rubric-grid .level-cell{cursor:pointer;transition:all var(--transition);text-align:left;min-width:140px}.rubric-grid .level-cell:hover{background:var(--accent-soft);border-color:var(--accent)}.rubric-grid .level-cell.selected{background:var(--accent-soft);border-color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:640px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-card);z-index:1}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}.drag-handle{cursor:grab;color:var(--text-dim);padding:4px;border-radius:4px;display:flex;align-items:center}.drag-handle:hover{color:var(--text-muted);background:var(--bg-elevated)}.drag-handle:active{cursor:grabbing}.tabs{display:flex;border-bottom:1px solid var(--border);gap:2px;padding:0 4px}.tab-btn{padding:10px 18px;font-size:.875rem;font-weight:500;color:var(--text-muted);background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all var(--transition)}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.progress-bar{height:8px;border-radius:99px;background:var(--bg-elevated);overflow:hidden}.progress-bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--purple));transition:width .4s ease}.grade-chip{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;border-radius:var(--radius);font-size:1.15rem;font-weight:700;padding:0 10px}.grade-footer{position:fixed;bottom:0;left:var(--sidebar-w);right:0;z-index:200;display:flex;align-items:center;gap:16px;padding:10px 28px;background:var(--bg-raised);border-top:1px solid var(--border);box-shadow:0 -4px 20px #00000059}.level-btn{flex:1;min-width:130px;padding:12px 14px;border-radius:var(--radius);border:1.5px solid var(--border);background:var(--bg-elevated);cursor:pointer;text-align:left;transition:border-color var(--transition),background var(--transition),box-shadow var(--transition);color:var(--text);font-family:inherit}.level-btn:hover:not(.selected){border-color:var(--border-light);background:var(--bg-card)}.level-btn.selected{border-width:2px;box-shadow:0 0 0 1px var(--accent-soft)}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:40px 24px;text-align:center;color:var(--text-muted);cursor:pointer;transition:all var(--transition)}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 20px;color:var(--text-muted);text-align:center}.empty-state svg{color:var(--text-dim)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}.fade-in{animation:fadeIn .25s ease}@media print{.sidebar,.topbar,.no-print{display:none!important}.page-content{padding:0;overflow:visible}.rubric-grid{font-size:11px}.rubric-grid .level-cell.selected{background:#dbeafe!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}}@media(max-width:768px){.sidebar{display:none}.page-content{padding:16px}}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-4{margin-bottom:16px}.text-muted{color:var(--text-muted)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.font-semibold{font-weight:600}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.w-full{width:100%}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}to{transform:scale(1);opacity:1}}.pulse{animation:pulse 1.5s infinite ease-in-out}.tiptap-editor{border:1px solid var(--border);border-radius:8px;background:var(--bg-card);overflow:hidden;transition:border-color .2s;margin-top:8px}.tiptap-editor:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.tiptap-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:4px;padding:4px;background:var(--bg-elevated);border-bottom:1px solid var(--border)}.toolbar-btn{background:transparent;border:none;padding:6px;border-radius:4px;color:var(--text-dim);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.toolbar-btn:hover{background:var(--bg-soft);color:var(--text)}.toolbar-btn.active{background:var(--accent-soft);color:var(--accent)}.toolbar-divider{width:1px;height:16px;background:var(--border);margin:0 2px}.tiptap-editor-content{padding:10px 12px;min-height:80px;outline:none;color:var(--text);font-family:inherit;font-size:.9rem;line-height:1.5}.tiptap-editor-content p{margin:0 0 8px}.tiptap-editor-content p:last-child{margin-bottom:0}.tiptap-editor-content ul,.tiptap-editor-content ol{padding-left:1.25rem;margin-bottom:8px}