:root {
  --bg: #0d1117;
  --panel: #151b24;
  --panel-line: #232c38;
  --ink: #d7e0ea;
  --ink-dim: #7d8da0;
  --amber: #f0a92b;
  --green: #3fd07f;
  --red: #ff5d5d;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 560px at 82% -12%, #182230 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* visible red banner for missing/placeholder config */
.config-warning {
  width: 100%;
  background: var(--red);
  color: #1a0606;
  font-weight: 600;
  text-align: center;
  padding: 11px 16px;
  letter-spacing: 0.01em;
}

.stage {
  width: 100%;
  max-width: 760px;
  padding: 28px 20px 48px;
}
.stage-head { margin-bottom: 20px; }
h1 { font-size: 18px; font-weight: 700; margin: 0 0 4px; letter-spacing: 0.02em; }
.muted { color: var(--ink-dim); font-weight: 400; }
.small { font-size: 12.5px; margin: 0; }

/* centered, fixed-size operator view of the avatar (16:9) */
#avatar-container {
  position: relative;
  width: 640px;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 10px;
  overflow: hidden;
}
#liveavatar-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
}
.avatar-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
  color: var(--ink-dim);
  font-size: 12.5px;
}

#controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px auto 0;
  width: 640px;
  max-width: 100%;
}
.input-label {
  font-size: 11.5px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
#zoom-url-input {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--panel-line);
  border-radius: 6px;
  padding: 10px 14px;
  width: 100%;
}
#zoom-url-input:focus {
  outline: none;
  border-color: var(--amber);
}
.controls-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
#launch-btn {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--bg);
  background: var(--amber);
  border: 0;
  border-radius: 6px;
  padding: 10px 20px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.05s ease;
}
#launch-btn:hover { filter: brightness(1.08); }
#launch-btn:active { transform: translateY(1px); }
#launch-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.status {
  color: var(--ink-dim);
  font-size: 13px;
}
.status.ok { color: var(--green); }
.status.err { color: var(--red); }
.status.busy { color: var(--amber); }