:root{--bg: #0f1216;--card: #171b21;--line: #262c35;--text: #e6e9ee;--muted: #8b95a3;--accent: #3b82f6;--danger: #ef4444;--green: #22c55e}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:1200px;margin:0 auto;padding:0 16px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line)}.topbar h1{font-size:18px;margin:0}.topbar-right{display:flex;align-items:center;gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.muted{color:var(--muted)}.small{font-size:12px}.center{display:grid;place-items:center;min-height:240px}.error{color:var(--danger);font-size:13px}button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 14px;font-size:14px;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.danger{background:var(--danger)}input{width:100%;margin-top:4px;padding:9px;border-radius:8px;border:1px solid var(--line);background:#0d1015;color:var(--text)}label{display:block;margin-bottom:12px;font-size:13px}.login{max-width:360px;margin:48px auto}.login h2{margin-top:0}.dashboard{display:grid;grid-template-columns:320px 1fr;gap:16px;margin:16px 0}.device-list ul{list-style:none;margin:0;padding:0}.device-list li{display:flex;gap:10px;align-items:center;padding:10px;border-radius:8px;cursor:pointer}.device-list li:hover{background:#1e242c}.device-list li.active{background:#202a3a}.device-label{font-size:14px}.dot{width:9px;height:9px;border-radius:50%;flex:none}.dot.on{background:var(--green)}.dot.off{background:#555}.viewer-head{display:flex;align-items:center;justify-content:space-between}.video{width:100%;aspect-ratio:9 / 16;max-height:70vh;background:#000;border-radius:8px;margin:12px 0}.viewer-actions{display:flex;gap:8px}.badge{font-size:12px;padding:3px 8px;border-radius:999px;background:#2a3140;color:var(--muted);text-transform:capitalize}.badge.streaming,.badge.connected{background:#14351f;color:var(--green)}.badge.failed,.badge.disconnected{background:#3a1a1a;color:var(--danger)}code{background:#0d1015;padding:1px 5px;border-radius:4px;font-size:.9em}.tabbar{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}.tab{background:#1a1f27;color:var(--muted);border:1px solid var(--line);padding:8px 12px;border-radius:8px;font-size:13px}.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.primary{background:var(--accent)}.capitalize{text-transform:capitalize}.small-btn{padding:4px 10px;font-size:12px}.schedule-table{width:100%;border-collapse:collapse;margin-top:12px}.schedule-table th,.schedule-table td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.schedule-table th{color:var(--muted);font-weight:600;font-size:12px}.schedule-table input[type=number]{width:64px}.schedule-actions{margin-top:14px}.shift-fields{display:flex;gap:12px;margin-top:8px}.shift-fields label{flex:1}.holiday-form{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}.holiday-form input{flex:1;min-width:120px}.holiday-list{list-style:none;padding:0;margin:0}.holiday-list li{display:flex;justify-content:space-between;align-items:center;padding:10px;border-bottom:1px solid var(--line)}.history-scroll{max-height:420px;overflow-y:auto}.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.cal-head h3{margin:0}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal-weekdays{margin-bottom:4px}.cal-weekday{text-align:center;color:var(--muted);font-size:12px;padding:4px 0}.cal-cell{min-height:62px;border:1px solid var(--line);border-radius:8px;padding:6px;position:relative;background:#12161c}.cal-cell.empty{background:transparent;border:none}.cal-cell.today{border-color:var(--accent)}.cal-cell.holiday{background:#2a1e14;border-color:#b45309}.cal-num{font-size:13px}.cal-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.cal-dot.session{background:var(--green);position:absolute;top:8px;right:8px}.cal-box{width:12px;height:12px;border-radius:3px;display:inline-block}.cal-box.holiday{background:#b45309}.cal-tag{position:absolute;bottom:4px;left:4px;right:4px;font-size:10px;color:#fbbf24;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cal-legend{display:flex;gap:18px;margin-top:12px;font-size:12px;color:var(--muted);align-items:center}.cal-legend span{display:flex;align-items:center;gap:6px}.device-list li{display:flex;align-items:center;gap:8px}.del-btn{background:transparent;border:none;cursor:pointer;opacity:.45;font-size:16px;padding:4px 6px;border-radius:6px}.del-btn:hover{opacity:1;background:#ff505026}