/* ═══════════════════════════════════════════════════════════════════
   TTS Studio — ElevenLabs-style three-column layout
   Dark, warm amber, Inter + IBM Plex Mono.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg-primary: #0a0908;
  --bg-secondary: #0f0e0d;
  --bg-tertiary: #11100e;
  --surface: #141210;
  --surface-hover: #1e1c19;
  --surface-active: #2a2723;
  --surface-elevated: #1c1a17;
  --border: rgba(245, 245, 240, 0.08);
  --border-strong: rgba(245, 245, 240, 0.14);
  --text-primary: #f5f5f0;
  --text-secondary: #a19f98;
  --text-muted: #73716b;
  --accent: #e8a54b;
  --accent-hover: #f2bc6e;
  --accent-soft: rgba(232, 165, 75, 0.12);
  --error: #ef4444;
  --success: #22c55e;
  --wave-muted: rgba(168, 153, 132, 0.45);
  --wave-progress: rgba(211, 134, 155, 0.75);
  --cursor: #d3869b;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  --menu-width: 220px;
  --settings-width: 360px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ═══ Custom scrollbar ═══ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.16); }

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.text-xs {
  font-size: 11px;
}

.text-muted {
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════
   App layout
   ═══════════════════════════════════════════════════════════════════ */

.app {
  display: grid;
  grid-template-columns: var(--menu-width) 1fr var(--settings-width);
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 0.2s ease;
}

body.menu-collapsed .app {
  grid-template-columns: 0px 1fr var(--settings-width);
}

body.settings-hidden .app {
  grid-template-columns: var(--menu-width) 1fr 0px;
}

body.menu-collapsed.settings-hidden .app {
  grid-template-columns: 0px 1fr 0px;
}

.editor-area:only-child,
body.settings-hidden .editor-area {
  border-right: none;
}

.section-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.placeholder-card {
  max-width: 420px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
  padding: var(--space-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.placeholder-icon {
  color: var(--accent);
  opacity: 0.8;
}

.placeholder-card h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.placeholder-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.voices-section {
  align-items: flex-start;
  justify-content: flex-start;
  padding: var(--space-5);
  overflow-y: auto;
}

.voices-section .placeholder-card {
  align-self: center;
  margin: auto;
}

.voices-list {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.settings-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(var(--settings-width), 40vw);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(100%);
  transition: transform 0.2s ease, visibility 0.2s ease;
  visibility: hidden;
  z-index: 50;
}

.settings-panel.open {
  transform: translateX(0);
  visibility: visible;
}

@media (min-width: 769px) {
  .menu-overlay {
    display: none;
  }

  .settings-panel {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    transform: none;
    visibility: visible;
    z-index: auto;
  }

  body.settings-hidden .settings-panel {
    width: 0;
    border-left: none;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
  }

  .header-toggle-settings {
    display: none;
  }
}

.menu-bar {
  position: relative;
  width: 100%;
  min-width: 0;
  transition: width 0.2s ease, padding 0.2s ease;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: var(--space-4);
  gap: var(--space-5);
}

.menu-overlay {
  display: none;
}

/* ═══════════════════════════════════════════════════════════════════
   Left menu bar
   ═══════════════════════════════════════════════════════════════════ */

.menu-brand {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
}

.menu-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  text-decoration: none;
}

.menu-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.menu-item:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.menu-item.active {
  background: var(--surface-active);
  color: var(--text-primary);
}

.menu-footer {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

body.menu-collapsed .menu-bar {
  width: 0;
  padding: 0;
  border: none;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════════
   Center editor area
   ═══════════════════════════════════════════════════════════════════ */

.editor-area {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: var(--bg-tertiary);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  background: var(--bg-tertiary);
  z-index: 10;
}

.editor-header-start {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

.editor-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  margin: 0;
}

.editor-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.auth-container {
  display: flex;
  align-items: center;
}

.auth-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-2);
  width: auto;
  min-width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-default);
  background: var(--surface-default);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.auth-button:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.icon-button:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.icon-button svg {
  width: 20px;
  height: 20px;
}

.header-toggle-menu .icon-menu-hide,
body.menu-collapsed .header-toggle-menu .icon-menu-show {
  display: block;
}

.header-toggle-menu .icon-menu-show,
body.menu-collapsed .header-toggle-menu .icon-menu-hide {
  display: none;
}

.header-toggle-settings {
  display: none;
}

#clear-all-btn {
  display: inline-flex;
}

body:not([data-section="tts"]) #clear-all-btn {
  display: none;
}

.mobile-bottom-bar {
  display: none;
}

.blocks-section {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-5) clamp(var(--space-5), 5vw, var(--space-6));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.text-blocks {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
}

.text-block {
  width: 100%;
  max-width: min(1200px, 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  transition: border-color 0.15s ease;
  position: relative;
}

.text-block:first-child {
  padding-top: 0;
}

.text-block.active .speaker-pill {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.block-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 32px;
}

.speaker-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 3px var(--space-2) 3px 3px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  max-width: 100%;
  flex-shrink: 0;
}

.speaker-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.speaker-pill.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.speaker-avatar-img,
.speaker-avatar-fallback {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
}

.speaker-avatar-fallback {
  background: var(--surface-active);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
}

.speaker-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.speaker-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  flex-shrink: 0;
}

.block-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  opacity: 1;
}

.remove-speaker:hover {
  color: var(--error);
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.08);
}

.block-editor {
  position: relative;
  margin-top: var(--space-2);
}

.block-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  width: fit-content;
  margin-top: var(--space-1);
}

.block-status.queued {
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
}

.block-status.generating {
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
}

.status-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  opacity: 0.7;
}

.status-label {
  text-transform: capitalize;
}

.status-cancel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  margin-left: var(--space-1);
  transition: all 0.15s ease;
}

.status-cancel:hover {
  color: var(--error);
  background: rgba(239, 68, 68, 0.08);
}

.block-char {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.icon-button-sm {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.icon-button-sm svg {
  width: 12px;
  height: 12px;
}

.icon-button-sm:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.icon-button-sm.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.icon-button-sm.danger:hover {
  color: var(--error);
  border-color: var(--error);
}

.icon-button-sm.active svg {
  fill: currentColor;
}

.block-textarea {
  width: 100%;
  min-height: 90px;
  max-height: 600px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
  resize: none;
  overflow: hidden;
  pointer-events: auto;
  position: relative;
  z-index: 1;
}

.block-textarea::placeholder {
  color: var(--text-muted);
}

.block-textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.block-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-1);
  font-size: 11px;
  color: var(--text-muted);
}

.block-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.block-audio {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.block-audio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.block-audio-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.block-audio-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.block-audio .player {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.block-audio .play-button {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #0a0908;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.block-audio .play-button:hover {
  background: var(--accent-hover);
}

.block-audio .play-button svg {
  width: 14px;
  height: 14px;
}

.block-audio .waveform-scrub {
  position: relative;
  flex: 1;
  height: 36px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  overflow: hidden;
  pointer-events: auto;
}

.block-audio .waveform {
  width: 100%;
  height: 100%;
  pointer-events: auto;
}

.block-audio .duration {
  flex-shrink: 0;
  min-width: 40px;
  text-align: right;
  font-size: 11px;
  color: var(--text-muted);
}

.add-speaker {
  display: none;
}

.block-divider {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  margin-top: var(--space-1);
}

.block-divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

.add-speaker-inline {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.15s ease, border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.text-block:hover .add-speaker-inline,
.block-divider:focus-within .add-speaker-inline {
  opacity: 1;
}

.add-speaker-inline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.add-speaker-inline svg {
  width: 14px;
  height: 14px;
}

/* ═══════════════════════════════════════════════════════════════════
   History view
   ═══════════════════════════════════════════════════════════════════ */

.history-view {
  flex: 1;
  min-height: 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  flex-shrink: 0;
}

.history-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.history-sort {
  display: inline-flex;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
}

.history-sort-btn {
  padding: var(--space-1) var(--space-2);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.history-sort-btn:hover {
  color: var(--text-secondary);
  background: var(--surface-hover);
}

.history-sort-btn.active {
  background: var(--surface-active);
  color: var(--text-primary);
}

.history-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: 13px;
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.history-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.history-card:hover {
  border-color: var(--border-strong);
}

.history-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.history-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.history-card-title-wrap {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-width: 0;
}

.history-card-title {
  font-weight: 500;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-edit-title {
  opacity: 0;
  transition: opacity 0.15s ease;
}

.history-card:hover .history-edit-title,
.history-card-header:hover .history-edit-title {
  opacity: 1;
}

.history-title-input {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  min-width: 120px;
  max-width: 100%;
}

.history-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.history-card-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.history-card-text.expanded {
  -webkit-line-clamp: unset;
  color: var(--text-secondary);
}

.history-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

/* Audio card */

.audio-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: border-color 0.15s ease;
}

.audio-card:hover {
  border-color: var(--border-strong);
}

.audio-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.audio-title {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  outline: none;
}

.audio-title:hover {
  border-color: var(--border);
}

.audio-title:focus {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.audio-badges {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.audio-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.audio-card .player {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.history-audio {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.history-player {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.history-play-button {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #0a0908;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.history-play-button:hover {
  background: var(--accent-hover);
}

.history-play-button svg {
  width: 14px;
  height: 14px;
}

.history-audio .waveform-scrub {
  position: relative;
  flex: 1;
  min-width: 0;
  height: 36px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.history-audio .waveform {
  width: 100%;
  height: 100%;
}

.history-audio .duration {
  flex-shrink: 0;
  min-width: 40px;
  text-align: right;
  font-size: 11px;
  color: var(--text-muted);
}

.history-audio .history-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.audio-card .play-button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #0a0908;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.audio-card .play-button:hover {
  background: var(--accent-hover);
}

.audio-card .play-button svg {
  width: 16px;
  height: 16px;
}

.audio-card .waveform-scrub {
  position: relative;
  flex: 1;
  height: 40px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.audio-card .waveform {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.audio-card .duration {
  flex-shrink: 0;
  min-width: 40px;
  text-align: right;
  font-size: 11px;
}

.audio-text {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.audio-text-preview {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.audio-text-expanded {
  -webkit-line-clamp: unset;
  color: var(--text-secondary);
}

.audio-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.text-toggle {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.text-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ═══════════════════════════════════════════════════════════════════
   Right settings panel (drawer / bottom sheet)
   ═══════════════════════════════════════════════════════════════════ */

.back-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.back-button:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.voice-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.voice-sub-tabs {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 3px;
}

.voice-sub-tab {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.voice-sub-tab:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.voice-sub-tab.active {
  background: var(--surface-active);
  color: var(--text-primary);
}

.voice-sub-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
}

.voice-sub-panel.active {
  display: flex;
}

.voice-picker {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.voice-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-2);
}

.voice-list-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.voice-selection-overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  left: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  transition: left 0.2s ease, visibility 0.2s ease;
  visibility: hidden;
  pointer-events: none;
  z-index: 300;
}

.voice-selection-overlay.open {
  left: 0;
  visibility: visible;
  pointer-events: auto;
}

.voice-selection-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.voice-selection-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.voice-selection-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.settings-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.settings-main-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.mobile-back-button {
  display: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: transparent;
  transition: all 0.15s ease;
}

.mobile-back-button:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.settings-main-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.settings-main-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.voice-setting-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.voice-setting-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all 0.15s ease;
  text-align: left;
}

.voice-setting-card:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.voice-setting-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.voice-setting-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.voice-setting-lang {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  flex-shrink: 0;
}

.voice-setting-action {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  flex-shrink: 0;
}

.voice-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.15s ease;
}

.voice-item:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.voice-item.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.voice-item-body {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.voice-item-name {
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.voice-item-lang {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  flex-shrink: 0;
}

.voice-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.review-text-btn {
  color: var(--text-muted);
}

.review-text-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Cloned voice card with prompt + output samples */

.cloned-voice-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}

.cloned-voice-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.cloned-voice-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.cloned-voice-card .cloned-voice-sample {
  margin-top: var(--space-2);
}

.cloned-voice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.cloned-voice-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.cloned-voice-name {
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cloned-voice-sample {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.sample-label {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.mini-player {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mini-play-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #0a0908;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.mini-play-btn:hover {
  background: var(--accent-hover);
}

.mini-play-btn svg {
  width: 12px;
  height: 12px;
}

.mini-waveform {
  flex: 1;
  height: 28px;
  min-width: 0;
}

.mini-duration {
  font-size: 10px;
  color: var(--text-muted);
  min-width: 34px;
  text-align: right;
}

.sample-empty {
  font-size: 11px;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .cloned-voice-samples {
    grid-template-columns: 1fr;
  }
}

/* Params */

.param-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.param-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.param-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.param-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}

.slider {
  width: 100%;
  accent-color: var(--accent);
}

.input,
.textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--text-primary);
  outline: none;
  transition: all 0.15s ease;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-muted);
}

.input:focus,
.textarea:focus {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  width: 100%;
}

.select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--text-primary);
  outline: none;
  width: 100%;
  font-size: 13px;
  cursor: pointer;
}

.select:focus {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.select option {
  background: var(--surface);
  color: var(--text-primary);
}

.toggles {
  flex-direction: row;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.toggle input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

/* Tooltip */

.tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1;
  cursor: help;
  margin-left: var(--space-1);
  flex-shrink: 0;
}

button.tooltip {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: transparent;
  padding: 0;
  margin-left: 0;
}

button.tooltip svg {
  width: 12px;
  height: 12px;
}

#global-tooltip {
  position: fixed;
  left: 0;
  top: 0;
  max-width: min(260px, calc(100vw - 24px));
  padding: var(--space-2) var(--space-3);
  background: var(--surface-active);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 1.4;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  z-index: 99999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  white-space: pre-wrap;
  word-break: break-word;
}

#global-tooltip.visible {
  opacity: 1;
  visibility: visible;
}

/* Tooltip dùng trong voice item */
.voice-item-actions .tooltip {
  margin-left: 0;
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 13px;
  min-height: 36px;
  transition: all 0.15s ease;
}

.button-primary {
  background: var(--accent);
  color: #0a0908;
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.button-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button-secondary {
  background: var(--surface-active);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.button-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

.button-ghost {
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.button-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(10, 9, 8, 0.3);
  border-top-color: #0a0908;
  border-radius: var(--radius-pill);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Loading / empty helpers */

.loading-state {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  color: var(--text-muted);
  font-size: 13px;
}

.empty-state {
  text-align: center;
  padding: var(--space-5) var(--space-4);
  color: var(--text-muted);
  font-size: 12px;
}

/* ═══════════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 1200px) {
  :root {
    --settings-width: 320px;
  }
}

.clone-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.clone-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.clone-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Segmented control */

.segmented {
  display: inline-flex;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 3px;
}

.segmented-btn {
  padding: var(--space-2) var(--space-3);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.segmented-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.segmented-btn.active {
  background: var(--surface-active);
  color: var(--text-primary);
}

.output-format-seg {
  width: 100%;
}

.output-format-seg .segmented-btn {
  flex: 1;
  text-align: center;
}

/* Audio upload / record */

.clone-audio-row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.clone-drop-zone {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.clone-drop-zone:hover,
.clone-drop-zone.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.clone-drop-zone svg {
  width: 18px;
  height: 18px;
}

.clone-drop-text {
  font-size: 13px;
  font-weight: 500;
}

.clone-drop-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.clone-mic-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  min-width: 90px;
  transition: all 0.15s ease;
}

.clone-mic-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.clone-mic-btn.recording {
  border-color: var(--error);
  color: var(--error);
  background: rgba(239, 68, 68, 0.12);
  animation: pulse-rec 1.4s ease-in-out infinite;
}

@keyframes pulse-rec {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}

.clone-record-label {
  font-size: 11px;
  font-weight: 500;
}

.clone-audio-file {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(142, 192, 124, 0.08);
  border: 1px solid rgba(142, 192, 124, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
}

.clone-file-name {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Form fields */

.clone-fields-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.clone-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.clone-field-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.clone-field-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.chip {
  padding: var(--space-1) var(--space-2);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: transparent;
  transition: all 0.15s ease;
  cursor: pointer;
}

.chip:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* Toggle switch (iOS / ElevenLabs style) */

.clone-top-bar {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 20;
}

.clone-top-controls {
  display: grid;
  grid-template-columns: auto 1fr 1fr 1fr auto;
  align-items: center;
  gap: var(--space-4);
}

.clone-control-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
}

.clone-control-group svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.clone-reset-btn {
  justify-self: end;
}

/* Custom language select */

.language-selector {
  position: relative;
}

.custom-select {
  position: relative;
  display: inline-flex;
  flex-direction: column;
}

.custom-select-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  min-width: 140px;
  transition: all 0.15s ease;
}

.custom-select-trigger:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.custom-select-trigger::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--text-muted);
  margin-left: auto;
}

.custom-select-options {
  position: fixed;
  top: var(--select-top, auto);
  left: var(--select-left, auto);
  min-width: 160px;
  max-height: 260px;
  overflow-y: auto;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-1);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 9999;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.custom-select-option {
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-align: left;
  transition: all 0.15s ease;
}

.custom-select-option:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.custom-select-option.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.clone-slider-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.clone-slider-group .slider {
  flex: 1;
  min-width: 0;
}

.clone-step-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  min-width: 34px;
  text-align: right;
}

.clone-slider-group .param-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.clone-voice-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.clone-panel-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.clone-panel-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.clone-section-title {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.clone-section-title svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

.clone-output-note {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-muted);
}

.clone-output-note svg {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-top: 1px;
}

.clone-override-toggles {
  flex-direction: row;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.clone-generate-btn {
  width: 100%;
  padding: var(--space-3);
  font-size: 14px;
}

/* Toggle switch (iOS / ElevenLabs style) */

.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch-track {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--surface-active);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.toggle-switch-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: all 0.15s ease;
}

.toggle-switch input:checked + .toggle-switch-track {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-switch-track::after {
  transform: translateX(16px);
  background: var(--accent);
}

.toggle-switch-label {
  user-select: none;
}

.toggle-switch .tooltip {
  margin-left: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   Responsive clone controls
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .clone-top-controls {
    grid-template-columns: repeat(3, 1fr);
  }

  .clone-control-group.language-selector,
  .clone-reset-btn {
    grid-column: 1 / -1;
  }

  .clone-reset-btn {
    justify-self: end;
  }
}

@media (max-width: 600px) {
  .clone-top-bar {
    padding: var(--space-3);
  }

  .clone-top-controls {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .clone-slider-group {
    width: 100%;
  }

  .clone-scroll {
    padding: var(--space-3);
  }

  .clone-voice-panel {
    gap: var(--space-4);
  }

  .clone-panel-section {
    gap: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .clone-audio-row {
    flex-direction: column;
  }

  .clone-mic-btn {
    flex-direction: row;
    justify-content: center;
    width: 100%;
    padding: var(--space-3);
  }

  .clone-fields-row {
    grid-template-columns: 1fr;
  }

  .clone-override-toggles {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

/* ═══════════════════════════════════════════════════════════════════
   Mobile responsive app layout
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  :root {
    --menu-width: 100%;
    --settings-width: 100%;
  }

  body {
    overflow: auto;
  }

  .app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    height: auto;
  }

  .menu-bar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(280px, 80vw);
    padding: var(--space-4);
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 150;
  }

  body:not(.menu-collapsed) .menu-bar {
    transform: translateX(0);
  }

  .menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 140;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  body:not(.menu-collapsed) .menu-overlay {
    opacity: 1;
    visibility: visible;
  }

  .menu-footer {
    display: block;
  }

  .menu-nav {
    flex-direction: column;
  }

  .menu-item {
    flex-direction: row;
    padding: var(--space-3);
    font-size: 13px;
    gap: var(--space-3);
    flex: none;
  }

  .menu-item svg {
    width: 18px;
    height: 18px;
  }

  .menu-item span {
    display: block;
  }

  .editor-area {
    order: 1;
    min-height: 100vh;
    padding-bottom: 72px;
  }

  .editor-header {
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .editor-header-start {
    gap: var(--space-3);
  }

  .editor-title {
    font-size: 16px;
  }

  .header-toggle-menu {
    display: inline-flex;
  }

  .header-toggle-settings {
    display: none;
  }

  .editor-header-actions .button-primary {
    display: none;
  }

  .mobile-bottom-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    z-index: 95;
  }

  body:not([data-section="tts"]) .mobile-bottom-bar {
    display: none;
  }

  .mobile-bottom-bar .button {
    flex: 1;
    padding: var(--space-3);
    font-size: 14px;
  }

  .mobile-settings-toggle {
    display: inline-flex;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    transition: all 0.15s ease;
  }

  .mobile-settings-toggle:hover,
  .mobile-settings-toggle:active {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
  }

  .mobile-settings-toggle svg {
    width: 20px;
    height: 20px;
  }

  .blocks-section {
    padding: var(--space-3);
  }

  .text-block {
    padding: var(--space-3) 0;
  }

  .text-block:first-child {
    padding-top: 0;
  }

  .block-actions {
    opacity: 1;
  }

  .clone-workspace {
    flex-direction: column;
  }

  .clone-scroll {
    padding: var(--space-3);
  }

  .clone-fields-row {
    flex-direction: column;
    gap: var(--space-3);
  }

  .clone-audio-row {
    flex-direction: column;
  }

  .clone-mic-btn {
    padding: var(--space-3);
  }

  .history-list {
    padding: 0 var(--space-3) var(--space-3);
  }

  .history-controls {
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-2);
  }

  .history-edit-title {
    opacity: 1;
  }

  .mobile-back-button {
    display: inline-flex;
  }

  .settings-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .settings-overlay:not(.hidden) {
    opacity: 1;
    visibility: visible;
  }

  .settings-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    width: 100%;
    max-height: 85vh;
    height: auto;
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(100%);
    transition: transform 0.25s ease, visibility 0.25s ease;
    visibility: hidden;
    z-index: 200;
  }

  .settings-panel.open {
    transform: translateY(0);
    visibility: visible;
  }

  .voice-selection-overlay {
    position: fixed;
    inset: 0;
    left: 0;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 250;
  }

  .voice-selection-overlay.open {
    transform: translateX(0);
  }
}

@media (max-width: 768px) and (orientation: landscape) {
  .mobile-bottom-bar {
    display: none !important;
  }

  .header-toggle-settings {
    display: inline-flex;
  }

  .editor-header-actions .button-primary {
    display: inline-flex;
  }

  .settings-panel {
    top: 0;
    right: 0;
    left: auto;
    bottom: 0;
    width: min(360px, 80vw);
    max-height: none;
    border-top: none;
    border-left: 1px solid var(--border);
    border-radius: 0;
    transform: translateX(100%);
    transition: transform 0.25s ease, visibility 0.25s ease;
    visibility: hidden;
  }

  .settings-panel.open {
    transform: translateX(0);
    visibility: visible;
  }
}

@media (max-width: 380px) {
  .menu-item span {
    font-size: 9px;
  }

  .editor-title {
    font-size: 15px;
  }
}