:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e222b;--border: #2a2f3a;--text: #e6e8ec;--muted: #9aa3b2;--accent: #4f8cff;--accent-dim: #2d5cb8;--ok: #3fb950;--warn: #d29922;--err: #f85149;--radius: 10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}.app{display:flex;min-height:100vh}.sidebar{width:210px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:20px 0;display:flex;flex-direction:column}.brand{padding:0 20px 20px;font-weight:700;font-size:17px;letter-spacing:-.2px}.brand small{display:block;font-weight:400;color:var(--muted);font-size:12px}.nav{display:flex;flex-direction:column;gap:2px;padding:0 10px;flex:1}.nav a{padding:9px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14px}.nav a:hover{background:var(--panel-2)}.nav a.active{background:var(--accent-dim);color:#fff}.sidebar-foot{padding:16px 20px 0;border-top:1px solid var(--border);margin-top:16px;font-size:13px}.sidebar-foot .who{color:var(--muted);margin-bottom:8px;word-break:break-all}.main{flex:1;padding:28px 32px;max-width:1100px}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:26px 0 10px}.sub{color:var(--muted);margin:0 0 22px;font-size:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.grid{display:grid;gap:12px}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.row{display:flex;align-items:center;gap:10px}.row.between{justify-content:space-between}.row.wrap{flex-wrap:wrap}.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted);text-transform:uppercase;letter-spacing:.4px}.badge.live{border-color:var(--ok);color:var(--ok)}.badge.demo{border-color:var(--warn);color:var(--warn)}.badge.off{border-color:var(--border);color:var(--muted)}.badge.on{border-color:var(--ok);color:var(--ok)}.badge.err{border-color:var(--err);color:var(--err)}button{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:hover:not(:disabled){background:#3d7ae8}button.danger{border-color:var(--err);color:var(--err)}button.small{padding:5px 10px;font-size:13px}input,select,textarea{font:inherit;width:100%;padding:9px 11px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.field{margin-bottom:14px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.table-wrap{overflow-x:auto}.msg{padding:11px 14px;border-radius:8px;margin-bottom:16px;font-size:14px}.msg.error{background:#f851491f;border:1px solid var(--err);color:#ffb3ae}.msg.ok{background:#3fb9501f;border:1px solid var(--ok);color:#8ce99a}.msg.warn{background:#d299221f;border:1px solid var(--warn);color:#f0d58c}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.small{font-size:13px}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-box{width:100%;max-width:400px}.auth-box h1{text-align:center;margin-bottom:6px}.auth-box .sub{text-align:center}.qr{display:block;margin:16px auto;background:#fff;padding:10px;border-radius:8px;max-width:220px}.codes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:14px 0}.codes span{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--bg);border:1px solid var(--border);padding:8px;border-radius:6px;text-align:center;letter-spacing:1px}.device{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.device.is-on{border-color:var(--ok)}.device.offline{opacity:.55}.device .name{font-weight:600;margin-bottom:2px}.device .meta{font-size:12px;color:var(--muted);margin-bottom:12px}.switch{position:relative;width:46px;height:26px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);cursor:pointer;padding:0;flex-shrink:0;transition:background .15s}.switch:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--muted);transition:transform .15s,background .15s}.switch.on{background:var(--ok);border-color:var(--ok)}.switch.on:after{transform:translate(20px);background:#fff}.switch:disabled{opacity:.5;cursor:wait}input[type=range]{width:100%;padding:0;accent-color:var(--accent)}.dim-row{margin-top:12px}.dim-row .val{font-size:12px;color:var(--muted);min-width:38px;text-align:right}.action-row{display:grid;grid-template-columns:1fr 1.4fr 90px 1fr auto;gap:8px;align-items:center;margin-bottom:8px}@media(max-width:800px){.action-row{grid-template-columns:1fr}.app{flex-direction:column}.sidebar{width:100%}.nav{flex-direction:row;flex-wrap:wrap}.main{padding:20px 16px}}.progress{height:6px;background:var(--panel-2);border-radius:999px;overflow:hidden;margin-top:8px}.progress>div{height:100%;background:var(--accent);transition:width .3s}.step{border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:10px;background:var(--bg)}.step-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.step-num{width:22px;height:22px;border-radius:50%;background:var(--panel-2);border:1px solid var(--border);display:grid;place-items:center;font-size:12px;color:var(--muted);flex-shrink:0}