.lab-layout {
  display: grid;
  grid-template-columns: minmax(300px, 34%) minmax(0, 1fr);
  min-height: 0;
  padding: 18px 28px 22px;
  gap: 22px;
  overflow: hidden;
}

.control-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.task-instrument {
  flex: 1 1 auto;
  overflow: hidden;
}

.task-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 15px;
  color: var(--text-strong);
}

.task-heading strong {
  min-width: 0;
  overflow: hidden;
  font-size: 14px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-chip {
  flex: 0 0 auto;
  color: var(--lime);
  font-size: 10px;
  white-space: nowrap;
}

.ask-presets,
.recipe-list {
  display: grid;
  gap: 8px;
}

.sample-button,
.recipe-button {
  width: 100%;
  min-height: 44px;
  justify-content: flex-start;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.3;
  text-align: left;
}

.recipe-button span {
  color: var(--faint);
}

.recipe-button.active {
  border-color: var(--lime);
  color: var(--lime);
}

.recipe-button.active span {
  color: var(--lime);
}

body[data-mode="ask"] .recipe-list,
body[data-mode="reprocess"] .ask-presets {
  display: none;
}

.source-instrument {
  flex: 0 0 auto;
}

.source-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 8px;
}

.source-actions .primary,
.source-actions .secondary {
  min-width: 0;
  padding: 0 8px;
}

.status-line {
  margin-top: 10px;
  border-top: 1px solid var(--line);
  padding-top: 9px;
}

.status-line::before {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--warning);
  content: "";
}

.status-line.ready::before {
  background: var(--lime);
}

.status-line.error::before {
  background: var(--danger);
}

.advanced-instrument {
  flex: 0 0 auto;
  padding: 0;
}

.advanced-instrument summary {
  padding: 13px 16px;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  list-style-position: inside;
}

.advanced-instrument[open] summary {
  border-bottom: 1px solid var(--line);
  color: var(--lime);
}

.advanced-body {
  display: grid;
  gap: 12px;
  padding: 14px 16px 16px;
}

.advanced-body textarea {
  min-height: 82px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.workspace-panel {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.output-instrument {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100%;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.output-instrument > legend {
  margin-left: 17px;
}

.output-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  margin: 0 17px;
  border-bottom: 1px solid var(--line);
}

.output-toolbar > div {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.output-toolbar strong {
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 500;
}

.output-toolbar span {
  color: var(--muted);
  font-size: 10px;
}

.messages {
  min-height: 0;
  padding: 15px 17px 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.output-empty {
  display: grid;
  place-items: center;
  min-height: 100%;
  color: var(--faint);
  font-size: 12px;
}

.message {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.message:last-child {
  border-bottom: 0;
}

.message-label {
  padding-top: 2px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.message.user .message-label {
  color: var(--blue);
}

.message.assistant .message-label {
  color: var(--lime);
}

.message-body {
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.message-body.typing {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 24px;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 1.1s infinite ease-in-out;
  animation-delay: calc(var(--dot-index) * 120ms);
}

@keyframes pulse {
  0%, 70%, 100% { opacity: 0.25; transform: translateY(0); }
  35% { opacity: 1; transform: translateY(-2px); }
}

.speaker-transcript {
  display: grid;
  gap: 0;
}

.speaker-transcript-line {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.speaker-transcript-line:last-child {
  border-bottom: 0;
}

.speaker-label {
  color: var(--blue);
  font-size: 10px;
  text-transform: uppercase;
}

.speaker-1 .speaker-label,
.speaker-3 .speaker-label {
  color: var(--rose);
}

.speaker-2 .speaker-label {
  color: var(--lime);
}

.composer {
  display: grid;
  gap: 10px;
  padding: 14px 17px 17px;
  border-top: 1px solid var(--line);
  background: var(--canvas);
}

.composer textarea {
  min-height: 76px;
  max-height: 160px;
  resize: none;
}

.composer textarea.drag-over {
  border-color: var(--lime);
  background: rgba(180, 223, 114, 0.05);
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.audio-list {
  display: grid;
  gap: 7px;
  max-height: 136px;
  overflow-y: auto;
}

.audio-list[hidden] {
  display: none;
}

.audio-object {
  display: grid;
  grid-template-columns: minmax(120px, 0.7fr) minmax(180px, 1.3fr) 40px 40px;
  gap: 8px;
  align-items: center;
  min-width: 0;
  padding: 7px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.audio-object-label {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audio-object audio {
  width: 100%;
  height: 32px;
}

.record-waveform {
  display: none;
  align-items: center;
  gap: 2px;
  height: 18px;
}

.record-waveform span {
  width: 2px;
  height: calc(3px + var(--meter-height, 0) * 13px);
  background: currentColor;
}

.record-control.recording {
  border-color: var(--rose);
  background: transparent;
  color: var(--rose);
}

.record-control.recording .record-icon {
  display: none;
}

.record-control.recording .record-waveform {
  display: flex;
}

.youtube-dialog {
  width: min(560px, calc(100vw - 28px));
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.youtube-dialog::backdrop {
  background: rgba(5, 5, 9, 0.78);
}

.youtube-dialog-panel {
  display: grid;
  gap: 16px;
  background: var(--canvas);
}

.dialog-heading,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-heading h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 500;
}

.dialog-actions {
  justify-content: flex-end;
}

.youtube-player {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  width: min(440px, calc(100vw - 36px));
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-strong);
  background: #000;
}

.youtube-player[hidden] {
  display: none;
}

.youtube-player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.youtube-player-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  background: rgba(13, 13, 18, 0.9);
}

@media (max-width: 900px) {
  .lab-layout {
    grid-template-columns: minmax(250px, 34%) minmax(0, 1fr);
    padding: 14px 18px 18px;
    gap: 14px;
  }

  .source-actions {
    grid-template-columns: 1fr 1fr;
  }

  .source-actions .record-control {
    grid-column: 1 / -1;
  }

  .message {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (max-width: 680px) {
  .lab-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr);
    padding: 12px;
    overflow: hidden;
  }

  .control-rail {
    position: fixed;
    top: 94px;
    bottom: 0;
    left: 0;
    z-index: 30;
    width: min(350px, calc(100vw - 38px));
    padding: 13px;
    overflow-y: auto;
    border-right: 1px solid var(--line-strong);
    background: var(--canvas);
    transform: translateX(-102%);
    transition: transform 160ms ease;
    box-shadow: 12px 0 30px rgba(0, 0, 0, 0.35);
  }

  .control-rail.open {
    transform: translateX(0);
  }

  .task-instrument {
    flex: none;
  }

  .ask-presets,
  .recipe-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .source-actions {
    grid-template-columns: repeat(3, 1fr);
  }

  .source-actions .record-control {
    grid-column: auto;
  }

  .workspace-panel {
    min-height: 0;
  }

  .audio-object {
    grid-template-columns: minmax(0, 1fr) 40px 40px;
  }

  .audio-object audio {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 440px) {
  .ask-presets,
  .recipe-list {
    grid-template-columns: 1fr;
  }

  .source-actions {
    grid-template-columns: 1fr;
  }

  .message {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .composer-actions .secondary span {
    display: none;
  }
}

.youtube-demo-links {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}
.youtube-demo-links > span { color: var(--text-strong); font-size: 13px; }
.youtube-demo-row { display: flex; align-items: center; gap: 8px; }
.youtube-demo-row input { flex: 1; min-width: 0; font-size: 12px; }
.youtube-demo-row button { flex: none; }
.youtube-demo-links small { font-size: 12px; line-height: 1.5; }