:root {
  --bg: #0b0c10;
  --panel: #14161c;
  --panel2: #1b1e26;
  --fg: #e7e9ee;
  --muted: #8a90a0;
  --accent: #d14fff;
  --accent2: #3fd0ff;
  --ok: #46d369;
  --warn: #ffb340;
  --err: #ff5470;
  --border: #262a35;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex; flex-direction: column;
}

.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 10px 16px; background: var(--panel);
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: .3px; }
.brand span { color: var(--accent); font-weight: 500; }
.controls-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.controls-top label { color: var(--muted); display: flex; align-items: center; gap: 6px; }
.qctl input[type=range] { width: 96px; accent-color: var(--accent); }
.qctl #inputQualityVal { font-variant-numeric: tabular-nums; color: var(--fg); min-width: 30px; }
.status { margin-left: auto; display: flex; align-items: center; gap: 14px; }

select, button, input {
  background: var(--panel2); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 10px; font-size: 13px;
}
button { cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: linear-gradient(120deg, var(--accent), #7a3cff); border: none; color: white; font-weight: 600; }

.badge { padding: 3px 10px; border-radius: 999px; background: #2a2f3a; color: var(--muted); font-size: 12px; }
.badge.connected { background: rgba(70,211,105,.16); color: var(--ok); }
.badge.building  { background: rgba(255,179,64,.16); color: var(--warn); }
.badge.error     { background: rgba(255,84,112,.16); color: var(--err); }
.metric { color: var(--muted); font-variant-numeric: tabular-nums; }

main { flex: 1; display: flex; min-height: 0; }
.stage {
  position: relative; flex: 1; min-width: 0;
  display: flex; align-items: center; justify-content: center;
  background: #000; overflow: hidden;
}
#out { max-width: 100%; max-height: 100%; object-fit: contain; image-rendering: auto; background: #000; }

.preview {
  position: absolute; right: 14px; bottom: 14px; width: 200px;
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  background: #000; box-shadow: 0 6px 24px rgba(0,0,0,.5);
}
.preview video { width: 100%; display: block; transform: scaleX(-1); }
.preview-label { position: absolute; top: 4px; left: 6px; font-size: 10px; color: var(--muted); text-shadow: 0 1px 2px #000; }

.overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 24px; color: var(--muted);
  background: radial-gradient(ellipse at center, rgba(20,22,28,.4), rgba(0,0,0,.85));
  pointer-events: none;
}
.overlay.hidden { display: none; }

.panel {
  width: 360px; flex-shrink: 0; background: var(--panel);
  border-left: 1px solid var(--border); padding: 14px 14px 24px;
  overflow-y: auto;
}
.panel h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin: 4px 0 12px; }

.knob { margin-bottom: 12px; }
.knob label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 5px; }
.knob .row { display: flex; align-items: center; gap: 8px; }
.knob input[type=range] { flex: 1; accent-color: var(--accent); }
.knob .val { width: 46px; text-align: right; font-variant-numeric: tabular-nums; color: var(--fg); }
.knob select { width: 100%; }
.knob.checkbox .row { gap: 10px; }
.knob.frozen { opacity: .45; }
.group-title { margin: 16px 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--accent2); border-bottom: 1px solid var(--border); padding-bottom: 4px; }

.lora-swap { background: var(--panel2); border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 16px; }
.lora-swap h3 { margin: 0 0 10px; font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
.lora-swap .pair { display: grid; grid-template-columns: 1fr 56px; gap: 8px; align-items: center; margin-bottom: 8px; }
.lora-swap .pair span { grid-column: 1 / -1; font-size: 11px; color: var(--muted); }
.lora-swap button { width: 100%; margin-top: 4px; }

.prompts { background: var(--panel2); border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 16px; }
.prompts h3 { margin: 0 0 10px; font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
.prompts .pf { display: block; color: var(--muted); font-size: 11px; margin-bottom: 8px; }
.prompts textarea { width: 100%; box-sizing: border-box; margin-top: 4px; resize: vertical;
  background: var(--panel); color: var(--fg); border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 9px; font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.prompts textarea:focus { outline: none; border-color: var(--accent); }
.prompts .pf-row { display: flex; align-items: center; gap: 8px; }
.prompts .pf-row button { flex: none; }
.prompts .pf-hint { font-size: 10px; color: var(--muted); }

.log-wrap { margin-top: 18px; }
.log-wrap summary { color: var(--muted); cursor: pointer; font-size: 12px; }
#log { max-height: 180px; overflow: auto; font: 11px/1.4 ui-monospace, Menlo, monospace; color: var(--muted); white-space: pre-wrap; background: #0d0f14; border: 1px solid var(--border); border-radius: 8px; padding: 8px; margin-top: 8px; }

@media (max-width: 820px) {
  main { flex-direction: column; }
  .panel { width: auto; border-left: none; border-top: 1px solid var(--border); max-height: 45vh; }
}