:root{--bg:#0a0f1a;--card:#111827;--line:#263348;--text:#eef4ff;--muted:#9fb0ca;--blue:#0077ff;--blue2:#1c8cff;--danger:#ef4444;--ok:#22c55e;--warn:#f59e0b}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:radial-gradient(circle at 20% 0%,#12284f 0,#0a0f1a 38%,#070b13 100%);color:var(--text);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.wrap{width:min(980px,100%)}
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:14px}.top-only{justify-content:flex-end}.login-logo{color:#fff;font-size:28px;font-weight:900;letter-spacing:-.03em;margin:0 0 14px}.login-lead{max-width:920px;margin:0 0 24px;color:#b7c5dd;font-size:17px;line-height:1.55}
.brand{font-size:22px;font-weight:800;letter-spacing:-.02em;color:#fff}.brand span{color:#fff}.pill{font-size:13px;color:var(--muted)}
.card{background:rgba(17,24,39,.92);border:1px solid var(--line);box-shadow:0 24px 80px rgba(0,0,0,.35);border-radius:22px;padding:28px 30px}.hidden{display:none!important}
h1{font-size:25px;margin:0 0 6px}p{color:var(--muted);line-height:1.45}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:8px}.field label{font-size:13px;color:#cbd5e1}.field input{width:100%;border:1px solid #334155;background:#f8fafc;color:#111827;border-radius:12px;padding:14px 15px;font-size:15px;outline:none}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,119,255,.18)}.hint{font-size:12px;color:#8fa3c0;line-height:1.35;margin-top:-2px}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:20px}.link-btn{border:0;background:transparent;color:#7dd3fc;font-weight:800;cursor:pointer;padding:10px 2px}.link-btn:hover{text-decoration:underline;color:#bae6fd}.btn{border:0;border-radius:12px;padding:12px 20px;font-weight:800;cursor:pointer;color:white;background:#334155;transition:.15s;min-width:112px}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--blue)}.btn.primary:hover{background:var(--blue2)}.btn.danger{background:#b91c1c}.btn.warn{background:#a16207}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.msg{min-height:20px;margin-top:14px;color:#7dd3fc;font-size:14px}.msg.err{color:#fca5a5}.msg.ok{color:#86efac}
.devices{display:grid;gap:12px;margin-top:18px}.device{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;background:#0b1220;border:1px solid #233044;border-radius:16px;padding:16px}.name{font-weight:800}.status{font-size:13px;color:var(--muted);margin-top:4px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--warn);margin-right:6px}.dot.on{background:var(--ok)}.device-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.small{font-size:12px;padding:10px 12px;min-width:auto}.footer{margin-top:16px;color:#64748b;font-size:12px;text-align:right}.header-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
@media(max-width:720px){body{padding:16px;align-items:flex-start}.top{align-items:flex-start}.grid{grid-template-columns:1fr}.device{grid-template-columns:1fr}.device-actions{justify-content:flex-start}.card{padding:20px;border-radius:18px}.brand{font-size:20px}.btn{width:100%;justify-content:center}.header-actions .btn{width:auto}}