:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1d232c;
  --line: #2a313c;
  --text: #e8ecf1;
  --muted: #8b96a5;
  --accent: #5b8def;
  --accent-2: #7aa5ff;
  --ok: #3fb97f;
  --warn: #e3a33b;
  --bad: #e5534b;
  --radius: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; color: inherit; }
.hidden { display: none !important; }

/* ---------- shared ---------- */
.logo {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #8a6cf0); font-weight: 800; font-size: 22px;
}
.brand { display: flex; gap: 14px; align-items: center; }
.brand h1 { margin: 0; font-size: 28px; letter-spacing: -.02em; }
.brand .tag { margin: 2px 0 0; color: var(--muted); }
.brand.small .logo { width: 28px; height: 28px; font-size: 15px; border-radius: 8px; }
.brand.small { gap: 8px; }

button { cursor: pointer; border: 0; background: none; }
.primary {
  background: var(--accent); color: white; padding: 12px 18px; border-radius: 10px; font-weight: 600;
}
.primary:hover { background: var(--accent-2); }
.primary:disabled { opacity: .6; cursor: wait; }
.ghost { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; background: var(--panel-2); }
.ghost:hover { border-color: var(--accent); }
.ghost.small { padding: 4px 10px; font-size: 13px; }
.chip {
  border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 5px 12px;
  font-size: 13px; color: var(--muted); white-space: nowrap;
}
.chip b { color: var(--text); }
.chip.ok { color: var(--ok); border-color: #2c5a44; }
.chip.warn { color: var(--warn); border-color: #5e4a25; }
.chip.bad { color: var(--bad); border-color: #6b302c; }

input, select {
  width: 100%; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.row { display: flex; gap: 8px; }
.row.two > * { flex: 1; }
.msg { min-height: 1.2em; margin: 0; color: var(--warn); font-size: 14px; }
.fine { color: var(--muted); font-size: 12px; margin: 0; line-height: 1.5; }

.round {
  width: 48px; height: 48px; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--line);
  display: inline-grid; place-items: center; font-weight: 700; font-size: 14px;
}
.round svg { width: 22px; height: 22px; }
.round:not(.on) { background: #3a2023; border-color: #6b302c; color: #ffb4ae; }
.round.danger { background: var(--bad); border-color: var(--bad); color: white; }

/* ---------- lobby ---------- */
.lobby { min-height: 100%; display: grid; place-items: center; padding: 24px 16px; }
.lobby-card {
  width: min(980px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: 20px; padding: 28px; display: grid; gap: 24px;
}
.lobby-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; }
.preview {
  position: relative; aspect-ratio: 16/10; background: #000; border-radius: var(--radius); overflow: hidden;
}
.preview video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.preview-off { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }
.preview-controls { position: absolute; bottom: 12px; left: 0; right: 0; display: flex; gap: 10px; justify-content: center; }
.meter { position: absolute; left: 12px; top: 12px; width: 90px; height: 6px; background: #0008; border-radius: 4px; overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: var(--ok); transition: width .08s; }
.join-form { display: grid; gap: 14px; align-content: start; }

/* ---------- call ---------- */
.call { height: 100%; display: grid; grid-template-rows: auto 1fr auto; }
.topbar {
  display: flex; gap: 10px; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.topbar .brand { margin-right: 6px; }
#copyLink { cursor: pointer; }
.stage { display: grid; grid-template-columns: 1fr 340px; min-height: 0; }
.stage.no-side { grid-template-columns: 1fr; }
.stage.no-side .sidebar { display: none; }
.videos { position: relative; padding: 14px; min-height: 0; }
.remote-wrap {
  position: relative; width: 100%; height: 100%; background: #05070a; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--line);
}
.remote-wrap video { width: 100%; height: 100%; object-fit: contain; }
.local-wrap {
  position: absolute; right: 30px; top: 30px; width: clamp(120px, 22%, 260px); aspect-ratio: 4/3;
  border-radius: 12px; overflow: hidden; border: 2px solid var(--line); background: #000;
  box-shadow: 0 8px 30px #0008;
}
.local-wrap video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.name-tag {
  position: absolute; left: 10px; top: 10px; background: #000a; padding: 3px 10px; border-radius: 999px;
  font-size: 12px;
}
.waiting {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 12px;
  text-align: center; padding: 20px;
}
.waiting p { margin: 0; color: var(--muted); }
.pulse { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); animation: pulse 1.6s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 #5b8def99; } 100% { box-shadow: 0 0 0 26px #5b8def00; } }

/* captions overlay */
.captions {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); width: min(92%, 900px);
  display: grid; gap: 6px; pointer-events: none;
}
.captions.off { display: none; }
.cap {
  background: #000c; border-radius: 10px; padding: 8px 14px; line-height: 1.35;
  transition: opacity .4s; backdrop-filter: blur(4px);
}
.cap .who { font-size: 12px; color: var(--accent-2); font-weight: 600; margin-right: 6px; }
.cap .main { font-size: clamp(17px, 2.2vw, 24px); }
.cap .orig { display: block; font-size: 13px; color: #b9c2cf; margin-top: 2px; }
.cap.mine .main { font-size: 15px; color: #cfd6e0; }
.cap.mine .who { color: var(--muted); }
.cap.interim .main { color: #c9d3e0; font-style: italic; }
.cap.fade { opacity: 0; }

/* sidebar */
.sidebar {
  border-left: 1px solid var(--line); display: grid; grid-template-rows: auto 1fr; min-height: 0;
  background: var(--panel);
}
.side-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.side-head h2 { margin: 0; font-size: 15px; }
.transcript { list-style: none; margin: 0; padding: 10px 12px; overflow-y: auto; display: grid; gap: 10px; align-content: start; }
.transcript li { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.transcript li.interim { opacity: .7; font-style: italic; }
.transcript .meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-bottom: 3px; }
.transcript .meta b { color: var(--accent-2); font-weight: 600; }
.transcript .mine .meta b { color: var(--muted); }
.transcript .t { font-size: 14px; line-height: 1.4; }
.transcript .o { font-size: 12px; color: var(--muted); margin-top: 3px; }
.transcript .lat { font-size: 10.5px; color: var(--muted); margin-top: 4px; font-variant-numeric: tabular-nums; }

/* controls */
.controls {
  display: flex; gap: 12px; align-items: center; justify-content: center; padding: 12px 16px;
  border-top: 1px solid var(--line); flex-wrap: wrap;
}
.ctl { display: flex; align-items: center; gap: 6px; }
.ctl select { width: auto; padding: 8px 10px; }

.toast {
  position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 20px); background: #222b37;
  border: 1px solid var(--line); padding: 10px 16px; border-radius: 10px; opacity: 0; transition: .25s;
  pointer-events: none; z-index: 10;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- small screens ---------- */
@media (max-width: 820px) {
  .lobby-card { padding: 18px; }
  .lobby-grid { grid-template-columns: 1fr; }
  .stage { grid-template-columns: 1fr; grid-template-rows: 1fr 34%; }
  .stage.no-side { grid-template-rows: 1fr; }
  .sidebar { border-left: 0; border-top: 1px solid var(--line); }
  .videos { padding: 8px; }
  .local-wrap { right: 16px; top: 16px; width: 30%; }
  .controls { gap: 8px; }
  .round { width: 42px; height: 42px; }
  .ctl { font-size: 12px; }
  .topbar .chip:not(.state):not(#copyLink) { display: none; }
}