:root{--bg:#0f1115;--surface:#1a1d24;--surface-2:#232730;--border:#2e333d;--text:#e6e8ec;--text-dim:#9aa0ab;--accent:#4f8cff;--green:#2ecc71;--red:#ff5b5b;--amber:#f5a623}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:var(--accent);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;flex-shrink:0}.sidebar h1{font-size:16px;margin:0 0 4px 8px}.sidebar .sub{font-size:11px;color:var(--text-dim);margin:0 0 20px 8px}.nav-link{display:block;padding:9px 12px;border-radius:8px;color:var(--text-dim);margin-bottom:2px}.nav-link.active,.nav-link:hover{background:var(--surface-2);color:var(--text)}.nav-link.active{font-weight:600}.main{flex:1 1;padding:28px 36px;max-width:1100px}.main h2{margin:0 0 20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--text-dim);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.online{background:rgba(46,204,113,.15);color:var(--green)}.badge.offline{background:rgba(255,91,91,.15);color:var(--red)}button{background:var(--accent);color:#fff;border:none;padding:9px 16px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:600}button:hover{filter:brightness(1.1)}button.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}button.danger{background:rgba(255,91,91,.15);color:var(--red)}input,select{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:9px 12px;border-radius:8px;font-size:14px;width:100%}label{display:block;margin-bottom:6px;color:var(--text-dim);font-size:13px}.field{margin-bottom:14px}.error{color:var(--red);margin:10px 0}.muted{color:var(--text-dim)}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:340px}.row{display:flex;gap:12px;align-items:flex-end}code.token{background:var(--bg);padding:4px 8px;border-radius:6px;font-size:12px;word-break:break-all}