:root {
  --bg: #f4f5f7; --surface: #ffffff; --text: #16181d; --muted: #5d6470;
  --border: #d9dce2; --accent: #2563eb; --accent-text: #ffffff;
  --ok: #16a34a; --warn: #d97706; --err: #dc2626; --video-bg: #0b0c0f;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --surface: #181b21; --text: #e8eaee; --muted: #9aa2ae;
    --border: #2b3039; --accent: #4f8cff; --accent-text: #0b0c0f;
    --ok: #22c55e; --warn: #f59e0b; --err: #f87171; --video-bg: #000000;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 0 max(16px, env(safe-area-inset-right)) 32px max(16px, env(safe-area-inset-left));
}
main { max-width: 1200px; margin: 0 auto; display: grid; gap: 16px; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 16px; margin: 0; }
small { color: var(--muted); font-weight: normal; }
code, kbd, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
kbd { font-size: 11px; border: 1px solid currentColor; border-radius: 4px; padding: 0 4px; opacity: .7; margin-left: 6px; }

.bar {
  max-width: 1200px; margin: 0 auto; padding: 12px 0;
  display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between;
}
.status { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.err { background: var(--err); }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--ok); color: #fff; }
.badge.off { background: var(--border); color: var(--muted); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
details > summary { cursor: pointer; font-weight: 600; }
details[open] > summary { margin-bottom: 12px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.grid .wide { grid-column: 1 / -1; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input[type=text], input[type=url], input[type=password], textarea, select {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
}
textarea { resize: vertical; font-family: ui-monospace, Menlo, monospace; font-size: 12px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.row.between { justify-content: space-between; margin-top: 0; }

button, .button {
  font: inherit; color: var(--text); background: var(--bg); text-decoration: none;
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; cursor: pointer;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
}
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.ghost { background: transparent; }

.msg { padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); }
.msg.err { border-color: var(--err); color: var(--err); }
.msg.warn { border-color: var(--warn); }
.msg.ok { border-color: var(--ok); }

.phone-token { margin-top: 12px; display: grid; gap: 8px; }
.phone-token p { margin: 0; font-size: 13px; color: var(--muted); }

.stage { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.video-wrap {
  position: relative; background: var(--video-bg); border-radius: var(--radius); overflow: hidden;
  height: min(78vh, 900px); min-height: 320px;
}
.video-wrap video { width: 100%; height: 100%; object-fit: contain; display: block; }
.video-wrap:fullscreen { height: 100vh; border-radius: 0; }
.overlay {
  position: absolute; inset: 0; display: none; flex-direction: column; gap: 6px;
  align-items: center; justify-content: center; text-align: center; padding: 16px;
  background: rgba(0,0,0,.72); color: #fff;
}
.overlay.show { display: flex; }
.overlay strong { font-size: 20px; }
.overlay span { color: #c9ced6; font-size: 14px; }
.stats {
  position: absolute; top: 8px; left: 8px; margin: 0; padding: 6px 8px; border-radius: 6px;
  background: rgba(0,0,0,.6); color: #e7fbe9; font-size: 12px; line-height: 1.35; pointer-events: none;
}
.unlock { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--accent-text); border: 0; font-size: 16px; padding: 12px 20px; }

.controls { display: grid; gap: 14px; }
.controls > .row { margin-top: 0; }
.controls input[type=range] { flex: 1; min-width: 80px; }
.snap { font-size: 20px; padding: 18px; background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.snap.waiting { background: var(--warn); border-color: var(--warn); color: #111; }
.snap.done { background: var(--ok); border-color: var(--ok); color: #fff; }
.talk { display: grid; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.talk-btn { font-size: 16px; padding: 16px; }
.talk-btn.live { background: var(--err); border-color: var(--err); color: #fff; }
.switch { display: flex; gap: 8px; align-items: center; color: var(--text); font-size: 14px; }
.meter { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.lvl { height: 8px; border-radius: 4px; background: var(--bg); border: 1px solid var(--border); overflow: hidden; }
.lvl i { display: block; height: 100%; width: 0; background: var(--ok); transition: width .08s linear; }
.hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin-top: 12px; }
.gallery figure { margin: 0; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.gallery img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; cursor: zoom-in; }
.gallery figcaption { display: flex; justify-content: space-between; align-items: center; gap: 6px; padding: 6px 8px; font-size: 12px; color: var(--muted); }
.gallery figcaption a { color: var(--accent); }

dialog { border: 0; padding: 12px; border-radius: var(--radius); background: var(--surface); color: var(--text); max-width: 96vw; max-height: 96vh; }
dialog::backdrop { background: rgba(0,0,0,.8); }
dialog img { max-width: calc(96vw - 24px); max-height: calc(96vh - 90px); display: block; margin: 0 auto; }
dialog .row { justify-content: flex-end; }
dialog .row span { margin-right: auto; color: var(--muted); font-size: 13px; }

@media (max-width: 860px) {
  .stage { grid-template-columns: 1fr; }
  .video-wrap { height: 70vh; }
  .grid { grid-template-columns: 1fr; }
}