:root{--bg-main: #13141f;--bg-surface: #1a1b26;--bg-obsidian: #16161e;--bg-subtle: #24283b;--border-subtle: rgba(255, 255, 255, .1);--border-focus: #7aa2f7;--text-main: #c0caf5;--text-muted: #9aa5ce;--text-subtle: #6d759e;--accent-purple: #bb9af7;--accent-cyan: #7dcfff;--accent-blue: #7aa2f7;--accent-rose: #f7768e;--accent-green: #9ece6a;--accent-amber: #e0af68;--font-family-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-mono: "JetBrains Mono", Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-sans);background-color:var(--bg-main);color:var(--text-main);min-height:100vh;line-height:1.5;overflow-x:hidden}.app-container{display:flex;flex-direction:column;min-height:100vh;background-color:var(--bg-main)}.main-content{flex:1;width:94%;max-width:1440px;margin:0 auto;padding:24px 16px 80px}.navbar{display:flex;align-items:center;justify-content:space-between;padding:12px 28px;background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:999;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.navbar-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.35rem;letter-spacing:-.5px;color:#fff}.navbar-brand-icon{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,#7dcfff,#bb9af7);display:flex;align-items:center;justify-content:center;color:#13141f;font-weight:800}.navbar-view-switcher{display:flex;align-items:center;background:var(--bg-obsidian);padding:4px;border-radius:10px;border:1px solid var(--border-subtle);gap:4px}.btn-view-mode{display:flex;align-items:center;gap:6px;background:transparent;border:none;color:var(--text-muted);font-size:.84rem;font-weight:500;padding:6px 14px;border-radius:7px;cursor:pointer;transition:all .15s ease}.btn-view-mode:hover{color:#fff;background:var(--bg-subtle)}.btn-view-mode.active{color:#fff;background:var(--bg-subtle);font-weight:600;border:1px solid var(--border-subtle)}.navbar-user-actions{display:flex;align-items:center;gap:12px}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent-cyan);color:#13141f;border:none;border-radius:8px;padding:8px 16px;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .15s ease;box-shadow:0 4px 12px #7dcfff40}.btn-primary:hover{background:#99dcff;transform:translateY(-1px);box-shadow:0 6px 16px #7dcfff66}.btn-secondary{display:inline-flex;align-items:center;gap:6px;background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-main);border-radius:8px;padding:7px 14px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .15s ease}.btn-secondary:hover{border-color:var(--border-focus);background:var(--bg-subtle);color:#fff}.btn-icon{display:inline-flex;align-items:center;justify-content:center;background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-main);border-radius:8px;padding:8px;cursor:pointer;transition:all .15s ease}.btn-icon:hover{border-color:var(--border-focus);background:var(--bg-subtle);color:#fff}.btn-icon.danger:hover{border-color:var(--accent-rose);color:var(--accent-rose);background:#f7768e26}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:14px;padding:22px;box-shadow:0 4px 20px #00000059}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--border-subtle)}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.metric-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:12px;padding:18px 20px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 16px #0000004d}.metric-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.metric-content{display:flex;flex-direction:column}.metric-value{font-size:1.5rem;font-weight:800;color:#fff;line-height:1.2}.metric-label{font-size:.8rem;color:var(--text-subtle);font-weight:500}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.subject-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:12px;padding:20px;display:flex;flex-direction:column;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px #00000059;position:relative}.subject-card:hover{border-color:var(--border-focus);transform:translateY(-3px);box-shadow:0 10px 30px #00000080;background:var(--bg-subtle)}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-group label{font-size:.8rem;font-weight:600;color:var(--text-muted)}input[type=text],input[type=number],input[type=password],input[type=datetime-local],input[type=date],select,textarea{background:var(--bg-obsidian);border:1px solid var(--border-subtle);color:#fff;padding:9px 12px;border-radius:8px;font-size:.9rem;font-family:inherit;outline:none;transition:border-color .15s ease}input:focus,select:focus,textarea:focus{border-color:var(--border-focus)}.data-table-container{overflow-x:auto;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:12px;box-shadow:0 4px 16px #00000059}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:.88rem}.data-table th{background:var(--bg-obsidian);padding:12px 16px;font-weight:700;color:var(--text-muted);border-bottom:1px solid var(--border-subtle);text-transform:uppercase;font-size:.76rem;letter-spacing:.5px}.data-table td{padding:14px 16px;border-bottom:1px solid var(--border-subtle);color:var(--text-main)}.data-table tr:hover td{background:var(--bg-subtle)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0fd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:10000;padding:16px}.modal-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:14px;padding:26px;width:100%;max-width:620px;box-shadow:0 20px 50px #000c;max-height:90vh;overflow-y:auto}.stopwatch-display{font-family:var(--font-family-mono);font-size:4.2rem;font-weight:800;color:#fff;letter-spacing:2px;text-align:center;text-shadow:0 0 30px rgba(125,207,255,.3);margin:20px 0}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:6px;font-size:.76rem;font-weight:700;text-transform:uppercase}.badge-cfu{background:#bb9af726;color:var(--accent-purple);border:1px solid rgba(187,154,247,.3)}.badge-passed{background:#9ece6a26;color:var(--accent-green);border:1px solid rgba(158,206,106,.3)}.badge-enrolled{background:#7dcfff26;color:var(--accent-cyan);border:1px solid rgba(125,207,255,.3)}.badge-not-enrolled{background:#6d759e26;color:var(--text-subtle);border:1px solid rgba(109,117,158,.3)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:12px}@media (max-width: 768px){.navbar{padding:10px 16px}.navbar-view-switcher{order:3;width:100%;overflow-x:auto}.stopwatch-display{font-size:2.8rem}.main-content{width:98%;padding:16px 8px 80px}}