:root {
  --bg: #0f1115; --card: #181b22; --text: #e6e8ec; --muted: #8b919c;
  --accent: #4c8dff; --ok: #2fbf71; --bad: #e5484d; --border: #262a33;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, sans-serif; }
body.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 12px; }
header { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
header form { margin-left: auto; }
main { display: grid; grid-template-columns: 1fr 300px; gap: 16px; padding: 16px; }
@media (max-width: 800px) { main { grid-template-columns: 1fr; } }
.live { position: relative; background: #000; border-radius: 8px; overflow: hidden; aspect-ratio: 4 / 3; }
.live img { width: 100%; height: 100%; object-fit: contain; display: block; }
.offline { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; color: var(--muted); background: #000c; }
aside { display: flex; flex-direction: column; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.login { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
form#settings { display: flex; flex-direction: column; gap: 12px; }
input, select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 8px; font: inherit; }
button, .button { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 9px 14px; font: inherit; cursor: pointer; text-align: center; text-decoration: none; }
button.link { background: none; color: var(--muted); padding: 0; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.pill { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--border); }
.pill.ok { background: color-mix(in srgb, var(--ok) 25%, transparent); color: var(--ok); }
.pill.bad { background: color-mix(in srgb, var(--bad) 25%, transparent); color: var(--bad); }
.error { color: var(--bad); margin: 0; }
.muted { color: var(--muted); margin: 0; font-size: 13px; }
.hint { color: var(--muted); margin: -6px 0 0; font-size: 12px; }
.hint.warn { color: #e5a948; }
.value { color: var(--text); font-variant-numeric: tabular-nums; }
input[type=range] { padding: 0; accent-color: var(--accent); }
.range-ends { display: flex; justify-content: space-between; font-size: 11px; }
.buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
button.secondary { background: var(--border); color: var(--text); }