:root{--bg: #0b0d14;--surface: #111827;--card: #1f2937;--border: #374151;--primary: #3b82f6;--primary-h: #2563eb;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--danger-h: #dc2626;--text: #f1f5f9;--text-muted: #94a3b8;--radius: 8px;--shadow: 0 4px 20px rgba(0,0,0,.4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:Inter,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app-layout{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:24px;max-width:1280px;margin:0 auto;width:100%}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;gap:16px;height:60px;position:sticky;top:0;z-index:100}.header-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none}.header-logo .live-dot{width:8px;height:8px;background:var(--danger);border-radius:50%;animation:pulse 2s infinite}.header-nav{display:flex;gap:4px;flex:1}.header-nav a{padding:6px 14px;border-radius:var(--radius);color:var(--text-muted);font-size:.9rem;transition:all .15s;text-decoration:none}.header-nav a:hover,.header-nav a.active{background:var(--card);color:var(--text)}.header-user{display:flex;align-items:center;gap:12px;margin-left:auto}.badge-role{font-size:.75rem;padding:2px 10px;border-radius:999px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-role.admin{background:#7c3aed22;color:#a78bfa;border:1px solid #7c3aed}.badge-role.supervisor{background:#d9770622;color:#fbbf24;border:1px solid #d97706}.badge-role.user{background:#15803d22;color:#4ade80;border:1px solid #15803d}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-header h2{font-size:1.1rem;font-weight:600}.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);border:none;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-h)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-h)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--card);color:var(--text)}.btn-sm{padding:5px 10px;font-size:.8rem}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-group label{font-size:.85rem;color:var(--text-muted);font-weight:500}.form-group input,.form-group select,.form-group textarea{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:9px 12px;color:var(--text);font-size:.9rem;transition:border-color .15s;width:100%}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:.875rem}th{background:var(--surface);padding:12px 16px;text-align:left;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border);white-space:nowrap}td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:#ffffff05}.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:500}.status-dot:before{content:"";width:8px;height:8px;border-radius:50%;flex-shrink:0}.status-dot.active:before{background:var(--success);animation:pulse 2s infinite}.status-dot.stopped:before{background:var(--text-muted)}.status-dot.live:before{background:var(--danger);animation:pulse 1.5s infinite}.camera-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.camera-card-header{padding:14px 16px;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--border)}.camera-card-video{position:relative;background:#000;aspect-ratio:16/9}.camera-card-video video{width:100%;height:100%;display:block}.camera-card-footer{padding:12px 16px;display:flex;gap:8px;align-items:center}.player-container{background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;width:100%;max-width:1100px;margin:0 auto;position:relative}.player-container video{width:100%;height:100%}.player-overlay{position:absolute;top:12px;left:12px;display:flex;gap:8px}.page-title{font-size:1.5rem;font-weight:700;margin-bottom:4px}.page-subtitle{color:var(--text-muted);font-size:.9rem;margin-bottom:24px}.alert{padding:12px 16px;border-radius:var(--radius);font-size:.875rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}.alert-error{background:#ef444420;border:1px solid #ef4444;color:#fca5a5}.alert-success{background:#10b98120;border:1px solid #10b981;color:#6ee7b7}.alert-info{background:#3b82f620;border:1px solid #3b82f6;color:#93c5fd}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.loading-center{display:flex;justify-content:center;align-items:center;padding:60px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:520px;box-shadow:0 20px 60px #00000080}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h3{font-size:1.1rem;font-weight:600}.modal-footer{display:flex;gap:8px;justify-content:flex-end;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at top,#1e3a5f 0%,var(--bg) 60%)}.login-box{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px #00000080}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{font-size:1.8rem;font-weight:800;color:var(--text)}.login-logo p{color:var(--text-muted);font-size:.9rem;margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-card .stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-card .stat-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}.section-title{font-size:1rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px;margin-top:24px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state p{margin-top:8px;font-size:.9rem}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.main-content{padding:16px}.form-row{grid-template-columns:1fr}.header-nav{display:none}.grid-2,.grid-3{grid-template-columns:1fr}}