:root {
  --bg0: #0f1419;
  --bg1: #1a2332;
  --bg2: #243044;
  --line: #3a4a63;
  --text: #e8eef7;
  --muted: #8fa3bf;
  --accent: #3db8a0;
  --accent2: #e8b84a;
  --danger: #e06c75;
  --ok: #6bcb8b;
  --warn: #e8b84a;
  --radius: 10px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", "Consolas", monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; min-height: 100%;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 480px at 10% -10%, #1f3d4a 0%, transparent 55%),
    radial-gradient(700px 400px at 100% 0%, #2a2a48 0%, transparent 50%),
    linear-gradient(165deg, var(--bg0), #121820 60%, #0c1016);
}

.panel {
  width: min(980px, 94vw);
  margin: 4vh auto;
  padding: 1.75rem;
  background: color-mix(in srgb, var(--bg1) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  backdrop-filter: blur(8px);
}
.panel.phone { width: min(1100px, 96vw); }

.brand { margin-bottom: 1.25rem; }
.brand-mark {
  font-size: 2.4rem;
  font-weight: 750;
  letter-spacing: .08em;
  color: var(--accent);
}
.brand p { margin: .35rem 0 0; color: var(--muted); }

.form { display: grid; gap: .85rem; }
.form label { display: grid; gap: .35rem; font-size: .92rem; color: var(--muted); }
.form input:not([type="checkbox"]):not([type="radio"]),
.dial > input {
  width: 100%;
  padding: .7rem .85rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg0);
  color: var(--text);
  font-size: 1rem;
}
.form label.muted { opacity: .9; }
.form button, .actions button {
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  border-radius: 8px;
  padding: .65rem 1rem;
  cursor: pointer;
  font-size: .92rem;
}
.form button { background: var(--accent); color: #04231d; font-weight: 650; border-color: transparent; }
.form button:hover { filter: brightness(1.05); }
.form button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px dashed var(--line);
  font-weight: 500;
  justify-self: start;
  padding: .4rem .75rem;
}
.queue-bind {
  margin: 0;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: .55rem;
}
.queue-bind legend {
  padding: 0 .35rem;
  color: var(--muted);
  font-size: .92rem;
}
.queue-rows { display: grid; gap: .45rem; }
.queue-row {
  display: grid;
  grid-template-columns: 1fr 4.5rem 4.5rem 2rem;
  gap: .4rem;
  align-items: center;
}
.queue-row input {
  width: 100%;
  padding: .55rem .65rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg0);
  color: var(--text);
  font-size: .92rem;
}
.queue-row .rm {
  border: none;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0;
}
.actions { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .8rem; }
.actions button.ok { background: color-mix(in srgb, var(--ok) 28%, var(--bg2)); border-color: var(--ok); }
.actions button.danger { background: color-mix(in srgb, var(--danger) 28%, var(--bg2)); border-color: var(--danger); }
.actions button.warn { background: color-mix(in srgb, var(--warn) 25%, var(--bg2)); border-color: var(--warn); }
.actions button.ghost { opacity: .85; }
.actions button:disabled { opacity: .4; cursor: not-allowed; }

.softbar .ident { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.softbar .ident strong { font-size: 1.2rem; }
.tag, .pill {
  font-size: .78rem;
  padding: .15rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill.idle { border-color: var(--ok); color: var(--ok); }
.pill.busy { border-color: var(--warn); color: var(--warn); }
.pill.reg { border-color: var(--accent); color: var(--accent); }
.pill.fail { border-color: var(--danger); color: var(--danger); }
.call-line { margin-top: .75rem; color: var(--muted); display: flex; gap: .75rem; flex-wrap: wrap; }
.mono { font-family: var(--mono); font-size: .85rem; }
.dial { margin-top: .75rem; display: grid; gap: .55rem; }
.video-opt {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  justify-self: start;
  width: fit-content;
  color: var(--muted);
  font-size: .9rem;
  user-select: none;
  cursor: pointer;
}
.dial .video-opt input[type="checkbox"] {
  width: auto;
  padding: 0;
  margin: 0;
  flex: none;
  accent-color: var(--accent);
}
.video-stage {
  position: relative;
  margin-top: 1rem;
  aspect-ratio: 16 / 10;
  max-height: 420px;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.video-stage video#remote-video {
  width: 100%; height: 100%; object-fit: contain; background: #0a0a0a;
}
.video-stage video#local-video {
  position: absolute;
  right: .75rem; bottom: .75rem;
  width: min(28%, 180px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.35);
  background: #111;
  z-index: 2;
}
.video-hint {
  position: absolute; left: .75rem; top: .55rem;
  font-size: .75rem; color: rgba(255,255,255,.65);
  z-index: 2;
}
.error { color: var(--danger); }
.hint { color: var(--muted); font-size: .85rem; }
.log {
  margin-top: 1rem;
  max-height: 280px;
  overflow: auto;
  font-family: var(--mono);
  font-size: .78rem;
  line-height: 1.45;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: .75rem;
  white-space: pre-wrap;
}