:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-2: #f0f3f8;
  --fg: #1c2230;
  --muted: #6b7588;
  --accent: #2563eb;
  --ok: #16a34a;
  --err: #dc2626;
  --border: #d8dee8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Noto Sans CJK TC", "PingFang TC",
    "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 20px; }
.topbar .subtitle { color: var(--muted); font-size: 13px; flex: 1; }
.icon-btn {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
}
.icon-btn:hover { background: var(--panel-2); }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}
.card h2 { margin: 0 0 12px; font-size: 16px; color: var(--accent); }

.model-picker {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 14px;
}
.model-presets {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--border);
}
.model-presets-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}
.model-preset-btn {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.model-preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.model-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.model-row label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}
.model-row select {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 13px;
  cursor: pointer;
}
.model-row select:hover { border-color: var(--accent); }
small.hint { display: block; margin-top: 10px; color: var(--muted); font-size: 11px; }

.tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.tab {
  background: var(--panel-2);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-panel.hidden { display: none; }

.sample-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.sample-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  text-align: center;
  font-size: 12px;
  transition: border-color 0.15s;
}
.sample-card.selected { border-color: var(--accent); }
.sample-card img,
.sample-card .placeholder {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  background: var(--panel-2);
}
.sample-card .placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

#cam-video, #source-canvas {
  width: 320px;
  max-width: 100%;
  background: #1c2230;
  border-radius: 6px;
  display: block;
  border: 1px solid var(--border);
}
#cam-video { margin-top: 8px; }

.preview-row {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.hint { color: var(--muted); font-size: 13px; max-width: 380px; }
.hint input {
  width: 100%;
  margin-top: 4px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
}

.rec-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.rec-controls button {
  padding: 8px 16px;
  background: var(--panel-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.rec-controls button.primary { background: var(--err); border-color: var(--err); color: #fff; }
.rec-controls button:disabled { opacity: 0.45; cursor: not-allowed; }
.status { color: var(--muted); font-size: 13px; }
#audio-playback, #tts-playback { display: block; margin-top: 10px; width: 100%; max-width: 400px; }

.examples {
  margin-top: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
}
.examples summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  user-select: none;
}
.example-group { margin-top: 10px; }
.example-group h4 {
  margin: 8px 0 4px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.example-group ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 6px;
}
.example-group li {
  font-size: 13.5px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.015);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.1s, border-color 0.1s;
}
.example-group li:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--accent);
}
.example-group li.copied {
  background: rgba(22, 163, 74, 0.12);
  border-color: var(--ok);
  outline: 1px dashed var(--ok);
}
.tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.tag.ok { background: rgba(22, 163, 74, 0.15); color: var(--ok); }
.tag.err { background: rgba(220, 38, 38, 0.12); color: var(--err); }

/* 預設語音（免錄音） */
.presets {
  margin-top: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
}
.presets summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  user-select: none;
}
.preset-group { margin-top: 10px; }
.preset-scene {
  margin: 8px 0 4px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.voice-presets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 6px;
}
.preset-btn {
  font-size: 13.5px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  text-align: left;
  transition: background 0.1s, border-color 0.1s, opacity 0.1s;
}
.preset-btn:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--accent);
}
.preset-btn.loading {
  opacity: 0.55;
  pointer-events: none;
  border-color: var(--accent);
}
.preset-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.preset-tag.ok { background: rgba(22, 163, 74, 0.15); color: var(--ok); }
.preset-tag.err { background: rgba(220, 38, 38, 0.12); color: var(--err); }
.preset-text { flex: 1; }
.preset-note {
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.hint-text {
  font-size: 12px;
  color: var(--muted);
  margin: 8px 0 0;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
}
.card-head h2 { margin: 0; }
.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.copy-btn {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.1s, border-color 0.1s, color 0.1s;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied {
  background: rgba(22, 163, 74, 0.12);
  border-color: var(--ok);
  color: var(--ok);
}
.total-time {
  font-size: 13px;
  color: var(--muted);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
  font-variant-numeric: tabular-nums;
}
.total-time b { color: var(--fg); font-weight: 600; }
.total-time.running { border-color: var(--accent); }
.total-time.done { border-color: var(--ok); }
.total-time.err { border-color: var(--err); }

.pipeline-track {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 6px;
}
.stage {
  flex: 1 1 150px;
  min-width: 150px;
  max-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  text-align: left;
  color: var(--fg);
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s, box-shadow 0.1s;
}
.stage:hover { background: rgba(37, 99, 235, 0.06); }
.stage.pending { border-top-color: var(--border); }
.stage.ok { border-top-color: var(--ok); }
.stage.err { border-top-color: var(--err); }
.stage.active {
  background: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}
.stage-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}
.stage-status {
  font-weight: 700;
  width: 1.1em;
  text-align: center;
  color: var(--muted);
}
.stage.ok .stage-status { color: var(--ok); }
.stage.err .stage-status { color: var(--err); }
.stage-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.stage-time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
}
.stage-summary {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.stage.ok .stage-summary,
.stage.err .stage-summary { color: var(--fg); }
.stage-arrow {
  align-self: center;
  color: var(--muted);
  font-size: 16px;
  user-select: none;
}

.pipeline-detail {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel-2);
  overflow: hidden;
}
.pipeline-detail .detail-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(37, 99, 235, 0.04);
}
.pipeline-detail .detail-copy { flex-shrink: 0; }
.pipeline-detail .detail-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--fg);
}
.pipeline-detail .detail-summary {
  color: var(--muted);
  font-size: 12.5px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pipeline-detail .detail-pre {
  background: #1c2230;
  color: #e6edf3;
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  max-height: 360px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

@media (max-width: 600px) {
  .stage { max-width: none; }
  .stage-arrow { transform: rotate(90deg); }
}

.final {
  font-size: 18px;
  padding: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 60px;
}
.final.ok { border-color: var(--ok); }
.final.err { border-color: var(--err); }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal.hidden { display: none; }
.modal-inner {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  width: min(420px, 90vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.modal-inner h3 { margin: 0 0 4px; }
.modal-inner label { font-size: 13px; display: flex; flex-direction: column; gap: 4px; }
.modal-inner input {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 9px;
  font-family: monospace;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
.modal-actions button {
  padding: 7px 14px;
  background: var(--panel-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}
.modal-actions button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.modal-inner small { color: var(--muted); font-size: 11px; line-height: 1.5; }

.key-status {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 12px;
}
.key-status.hidden { display: none; }
.key-status th, .key-status td {
  text-align: left;
  padding: 5px 7px;
  border-bottom: 1px solid var(--border);
}
.key-status th { color: var(--muted); font-weight: 600; background: var(--panel-2); }
.key-status td.fp { font-family: monospace; color: var(--muted); }
.key-status tr.ok td.status { color: var(--ok); font-weight: 600; }
.key-status tr.err td.status { color: var(--err); font-weight: 600; }
.key-status tr.warn td.status { color: #b08700; font-weight: 600; }