:root{--bg:#0b0e14;--card:#151a23;--red:#ff3b30;--grn:#34c759;--txt:#e6e6e6;--mut:#7a8190;--line:#222a36}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font-family:system-ui,Segoe UI,Arial,sans-serif;font-size:14px}a{color:#5b9dff;text-decoration:none}button{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:8px 14px;background:#222a36;color:var(--txt)}button:hover{filter:brightness(1.15)}button.primary{background:var(--red);color:#fff;font-weight:600}button.ghost{background:transparent;border:1px solid var(--line)}button:disabled{opacity:.5;cursor:default}input,select{font:inherit;background:#0e131b;color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:8px 10px;outline:none}input:focus,select:focus{border-color:var(--red)}label{display:block;font-size:12px;color:var(--mut);margin:10px 0 4px;text-transform:uppercase;letter-spacing:.5px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.muted{color:var(--mut)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.grid{display:grid;gap:12px}.badge{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge.on{background:#34c75926;color:var(--grn)}.badge.off{background:#ff3b3026;color:var(--red)}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}th{color:var(--mut);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}tr:hover td{background:#11161f}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--line);background:#0d121a;position:sticky;top:0;z-index:5}.brand{font-weight:700;color:var(--red);font-size:18px}.nav a{color:var(--mut);margin:0 10px;font-weight:600}.nav a.active{color:var(--txt)}.wrap{max-width:1100px;margin:0 auto;padding:20px}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.kpi{font-size:30px;font-weight:700}.kpi.red{color:var(--red);font-family:Courier New,monospace}.err{color:var(--red);font-size:13px;margin-top:8px}.ok{color:var(--grn);font-size:13px;margin-top:8px}.chip{display:inline-block;background:#0e131b;border:1px solid var(--line);border-radius:8px;padding:4px 8px;margin:2px;font-size:12px}