:root{--bg: #0d1117;--surface: #161b22;--surface2: #21262d;--border: #30363d;--primary: #7c3aed;--primary-hover: #6d28d9;--primary-light: #a78bfa;--accent: #f472b6;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--text: #e6edf3;--text-muted: #8b949e;--text-dim: #6e7681;--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:15px}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--primary-light);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;border:none;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#16a34a;transform:translateY(-1px)}.btn-lg{padding:14px 32px;font-size:16px;border-radius:var(--radius)}.btn-sm{padding:6px 14px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-group label{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:15px;padding:10px 14px;outline:none;transition:border-color .2s;width:100%}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}.form-group textarea{resize:vertical;min-height:120px}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-admin{background:#7c3aed33;color:var(--primary-light)}.badge-user{background:#22c55e26;color:var(--success)}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px}.alert-error{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-success{background:#22c55e26;border:1px solid rgba(34,197,94,.3);color:#86efac}.page{flex:1;padding:32px 24px;max-width:1100px;margin:0 auto;width:100%}.page-header{margin-bottom:32px}.page-header h1{font-size:28px;font-weight:700}.page-header p{color:var(--text-muted);margin-top:4px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}table{width:100%;border-collapse:collapse}thead th{background:var(--surface2);padding:12px 16px;text-align:left;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}tbody td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:14px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#ffffff08}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:480px;box-shadow:var(--shadow)}.modal h2{font-size:20px;font-weight:700;margin-bottom:24px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}input[type=range]{-webkit-appearance:none;width:100%;height:6px;background:var(--border);border-radius:3px;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--primary);border-radius:50%;cursor:pointer;box-shadow:0 0 0 3px #7c3aed4d}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}.stat-card .value{font-size:32px;font-weight:800;color:var(--primary-light)}.stat-card .label{font-size:13px;color:var(--text-muted);margin-top:4px}