:root{--bg:#0f1115;--card:#191d24;--line:#2b313c;--txt:#f4f7fb;--muted:#9aa5b1;--accent:#d91f26;--ok:#20b26b;--warn:#e6a700}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font-family:Arial,Helvetica,sans-serif}.wrap{max-width:980px;margin:0 auto;padding:22px}.top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}.brand{font-size:24px;font-weight:800}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{display:block;margin-bottom:8px;font-weight:700}input[type=text],input[type=password]{width:100%;padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:#0c0f13;color:#fff;font-size:16px}.btn{display:inline-block;border:0;border-radius:10px;padding:12px 16px;font-weight:800;cursor:pointer;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-dark{background:#2a3039;color:#fff}.btn-ok{background:var(--ok);color:#fff}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.status{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:800;font-size:13px}.on{background:rgba(32,178,107,.18);color:#69dda2}.off{background:rgba(217,31,38,.18);color:#ff8489}.msg{padding:12px 14px;border-radius:10px;margin-bottom:14px;background:#102b20;border:1px solid #1e6745}.err{background:#331618;border-color:#7a262b}.code{background:#0b0e12;border:1px solid var(--line);border-radius:10px;padding:12px;overflow:auto;font-family:monospace;word-break:break-all}.switch{display:flex;align-items:center;gap:8px}.footer{color:var(--muted);font-size:13px;margin-top:24px}@media(max-width:700px){.wrap{padding:14px}.grid{grid-template-columns:1fr}.top{align-items:flex-start;flex-direction:column}.card{padding:16px}}