:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #0d1117; color: #f0f6fc; padding: 24px; }
.card { width: min(720px, 100%); background: #161b22; border: 1px solid #30363d; border-radius: 20px; padding: 28px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.brand { color: #58a6ff; font-weight: 700; letter-spacing: .04em; }
h1 { margin: 6px 0 4px; font-size: 2rem; }
h2 { margin-top: 28px; font-size: 1rem; }
.status { color: #8b949e; margin-top: 0; }
.status.ok { color: #3fb950; }
.status.error { color: #f85149; }
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 24px 0; }
.info-grid div { background: #0d1117; border: 1px solid #30363d; border-radius: 12px; padding: 12px; }
.info-grid span { display: block; font-size: .75rem; color: #8b949e; margin-bottom: 4px; }
.controls { display: flex; gap: 10px; flex-wrap: wrap; }
button { border: 0; border-radius: 10px; padding: 11px 16px; background: #238636; color: white; font-weight: 700; cursor: pointer; }
button.secondary { background: #30363d; }
button:disabled { opacity: .45; cursor: not-allowed; }
.peers { display: grid; gap: 8px; }
.peer { display: flex; justify-content: space-between; gap: 10px; padding: 10px 12px; border-radius: 10px; background: #0d1117; border: 1px solid #30363d; }
.muted, .hint { color: #8b949e; }
.hint { font-size: .85rem; margin-top: 26px; }
code { color: #79c0ff; }
@media (max-width: 560px) { .info-grid { grid-template-columns: 1fr; } .card { padding: 20px; } }