:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #6b6b6b;
  --line: #e5e5e5;
  --card: #fafafa;
  --primary: #0a0a0a;
  --on-primary: #ffffff;
  --good: #16a34a;
  --warn: #b45309;
  --bad: #dc2626;
  --warn-bg: #fef3c7;
  --bad-bg: #fee2e2;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #fafafa;
    --muted: #a1a1a1;
    --line: #262626;
    --card: #171717;
    --primary: #fafafa;
    --on-primary: #0a0a0a;
    --warn-bg: #3a2a07;
    --bad-bg: #3b1212;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg); }
body { font-size: 16px; line-height: 1.45; -webkit-text-size-adjust: 100%; }
main { padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
.screen { max-width: 34rem; margin: 0 auto; display: grid; gap: 14px; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1rem; margin: 10px 0 0; }
header { display: grid; gap: 4px; }
p { margin: 0; }
a { color: inherit; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
button, input { font: inherit; color: inherit; }
button { border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 9px 14px; cursor: pointer; }
button.primary { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
button.ghost { background: transparent; }
button.small { padding: 5px 10px; font-size: 0.85rem; }
button.danger { color: var(--bad); }
button.back { border: 0; padding: 4px 0; justify-self: start; background: transparent; color: var(--muted); }
input { width: 100%; border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 10px 12px; }
#code { font-size: 1.5rem; letter-spacing: 0.08em; text-align: center; font-variant-numeric: tabular-nums; }
.stack { display: grid; gap: 10px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.row { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--card); }
.row .grow { flex: 1; min-width: 0; text-align: left; border: 0; background: transparent; padding: 0; display: grid; gap: 2px; }
.row > button.grow { display: flex; align-items: center; gap: 8px; }
.name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { margin-left: 6px; font-size: 0.75rem; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; color: var(--muted); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--line); flex: none; }
.dot.connected { background: var(--good); }
.dot.connecting { background: var(--warn); }
.dot.failed { background: var(--bad); }
.note { border-radius: 10px; padding: 10px 12px; }
.note.warn { background: var(--warn-bg); }
.note.bad { background: var(--bad-bg); }
.sas, .code { font-size: 2.2rem; font-weight: 700; letter-spacing: 0.12em; text-align: center; font-variant-numeric: tabular-nums; margin: 6px 0; }
.code { font-size: 1.8rem; }
.qr { width: min(240px, 70vw); justify-self: center; background: #fff; border-radius: 8px; padding: 6px; }
.qr svg { display: block; width: 100%; height: auto; }
details summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }
.camera { display: none; width: 100%; border-radius: 12px; }
.camera.on { display: block; }
/* An open fxbot: its frame fills the screen under a thin bar. */
#frames iframe { display: none; }
body.framed { overflow: hidden; }
body.framed main { padding: 0; position: fixed; inset: 0 0 auto 0; z-index: 2; }
body.framed #frames iframe.shown { display: block; position: fixed; left: 0; right: 0; bottom: 0; top: calc(40px + env(safe-area-inset-top)); width: 100%; height: calc(100% - 40px - env(safe-area-inset-top)); border: 0; background: var(--bg); }
.bar { display: flex; align-items: center; gap: 8px; height: calc(40px + env(safe-area-inset-top)); padding: env(safe-area-inset-top) 10px 0; border-bottom: 1px solid var(--line); background: var(--bg); font-size: 0.9rem; position: relative; }
.bar .name { flex: 1; }
.bar .back { font-size: 1.4rem; line-height: 1; padding: 0 6px 2px 0; }
.notice { position: absolute; top: calc(100% + 8px); left: 8px; right: 8px; max-width: 34rem; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 8px; box-shadow: 0 8px 30px rgb(0 0 0 / 0.15); }
.notice ul, .notice ol { margin: 0; padding-left: 1.2rem; }
.screen .notice { position: static; box-shadow: none; }
.announce { position: fixed; z-index: 3; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); max-width: 34rem; margin: 0 auto; display: flex; gap: 10px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; box-shadow: 0 8px 30px rgb(0 0 0 / 0.15); font-size: 0.9rem; }
.announce span { flex: 1; }