.karaoke-page {
  --karaoke-en: #72a7ff;
  --karaoke-ko: #7ce2bd;
  --karaoke-ja: #ff9eae;
  max-width: 1120px;
  padding-bottom: 72px;
}

.karaoke-hero {
  padding: 44px 0 30px;
}

.karaoke-hero__copy {
  max-width: 760px;
}

.karaoke-eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.karaoke-hero h2 { margin-bottom: 10px; }
.karaoke-hero p { max-width: 680px; }

.karaoke-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
}

.karaoke-badges > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.karaoke-badges i { color: var(--primary); }

.karaoke-workspace {
  display: grid;
  gap: 16px;
}

.karaoke-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.karaoke-card__header,
.results-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.karaoke-card__header {
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
}

.karaoke-card__header h3,
.results-toolbar h3 {
  display: inline;
  margin: 0 0 0 8px;
  font-size: 1rem;
}

.karaoke-card__header p,
.results-toolbar p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.81rem;
}

.step-chip {
  display: inline-grid;
  place-items: center;
  min-width: 27px;
  height: 22px;
  padding: 0 6px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  color: var(--primary);
  font-size: 0.67rem;
  font-weight: 850;
}

.karaoke-small-btn {
  min-height: 36px;
  gap: 6px;
  padding: 7px 11px;
  white-space: nowrap;
}

.karaoke-input-layout { padding: 22px; }

.karaoke-source-panel {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding-bottom: 20px;
}

.panel-kicker,
.editor-heading {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 780;
}

.panel-kicker { min-height: 42px; }
.panel-kicker i,
.editor-heading i { color: var(--primary); }
.source-language-field { min-width: 0; }

.source-language-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.source-language-tabs button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-2);
  color: var(--muted);
  cursor: pointer;
}

.source-language-tabs button:hover { color: var(--text); }

.source-language-tabs button.is-active {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, var(--surface));
  color: var(--primary);
}

.source-language-tabs button.is-active::after {
  content: "✓";
  margin-left: 2px;
  font-size: 0.68rem;
  font-weight: 900;
}

.source-language-tabs button.is-detected:not(.is-active) {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  color: var(--text);
}

.source-language-tabs button.is-detected:not(.is-active)::after {
  content: "AUTO";
  color: var(--accent);
  font-size: 0.5rem;
  font-weight: 900;
}

.source-language-tabs button > span {
  display: grid;
  place-items: center;
  min-width: 23px;
  height: 23px;
  border-radius: 6px;
  color: var(--primary);
  font-size: 0.65rem;
  font-weight: 850;
}

.source-language-tabs b { font-size: 0.78rem; }

.source-detection-status {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 22px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 620;
}

.source-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

.source-detection-status[data-state="detected"] { color: var(--accent); }
.source-detection-status[data-state="detected"] .source-status-dot { background: var(--accent); }
.source-detection-status[data-state="manual"] { color: var(--primary); }
.source-detection-status[data-state="manual"] .source-status-dot { background: var(--primary); }

.karaoke-editor-panel { min-width: 0; }

.editor-heading {
  justify-content: space-between;
  margin-bottom: 9px;
}

.editor-heading > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.editor-heading small {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 550;
}

.lyrics-drop-zone {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
}

.lyrics-drop-zone:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 10%, transparent);
}

.lyrics-drop-zone.is-dragging { border-color: var(--accent); }

#lyrics-input {
  display: block;
  width: 100%;
  min-height: 310px;
  padding: 17px;
  border: 0;
  outline: 0;
  resize: vertical;
  background: transparent;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.72;
}

#lyrics-input::placeholder { color: color-mix(in srgb, var(--muted) 68%, transparent); }

.input-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.input-meta,
.input-actions,
.results-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.input-meta {
  color: var(--muted);
  font-size: 0.71rem;
}

#line-count,
.detected-format {
  padding: 3px 7px;
  border-radius: 6px;
  background: var(--surface-2);
}

.detected-format {
  color: var(--primary);
  font-weight: 750;
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 31px;
  padding: 5px 7px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 650;
  cursor: pointer;
}

.text-action:hover {
  background: var(--surface-2);
  color: var(--primary);
}

.file-action { color: var(--primary); }

.drop-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  color: var(--accent);
  font-weight: 750;
  text-align: center;
}

.drop-overlay i { font-size: 1.8rem; }
.lyrics-drop-zone.is-dragging .drop-overlay { opacity: 1; }

.recognition-help {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.76rem;
}

.recognition-help summary {
  display: flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  color: var(--muted);
  font-weight: 680;
  cursor: pointer;
}

.recognition-help summary::marker { display: none; }

.recognition-help p {
  margin: 8px 0 0;
  line-height: 1.55;
}

.original-track-card,
.track-toggle {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
}

.original-track-card {
  margin: 20px 22px 8px;
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.original-track-card > span:nth-child(2) strong,
.original-track-card > span:nth-child(2) small,
.track-toggle__copy strong,
.track-toggle__copy small { display: block; }

.original-track-card strong,
.track-toggle__copy strong { font-size: 0.82rem; }

.original-track-card small,
.track-toggle__copy small {
  overflow: hidden;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.original-track-card > i {
  color: var(--primary);
  font-size: 0.72rem;
}

.track-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 8px;
  padding: 0 22px 20px;
}

.track-option-group {
  display: grid;
  align-content: start;
  gap: 6px;
}

.track-option-group:has(.kana-script-choice) {
  overflow: hidden;
  grid-column: span 2;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
}

.track-option-group:has(.kana-script-choice):has(input:checked) {
  border-color: color-mix(in srgb, var(--track-color) 62%, var(--border));
  background: color-mix(in srgb, var(--track-color) 7%, var(--surface));
}

.track-option-group:has(.kana-script-choice):hover {
  border-color: color-mix(in srgb, var(--track-color) 48%, var(--border));
}

.track-option-group:has(.kana-script-choice) > .track-toggle,
.track-option-group:has(.kana-script-choice) > .track-toggle:has(input:checked) {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.track-toggle { cursor: pointer; }
.track-toggle:hover { border-color: color-mix(in srgb, var(--track-color) 48%, var(--border)); }

.track-toggle:has(input:checked) {
  border-color: color-mix(in srgb, var(--track-color) 62%, var(--border));
  background: color-mix(in srgb, var(--track-color) 7%, var(--surface));
}

.track-toggle__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--track-color, var(--primary)) 12%, transparent);
  color: var(--track-color, var(--primary));
  font-size: 0.76rem;
  font-weight: 850;
}

.track-toggle__copy { min-width: 0; }

.track-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch-ui {
  position: relative;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  background: var(--border);
}

.switch-ui::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  transition: transform 0.18s ease;
}

.track-toggle input:checked + .switch-ui { background: var(--track-color); }
.track-toggle input:checked + .switch-ui::after { transform: translateX(14px); }

.kana-script-choice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 7px 9px 9px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 38%, transparent);
}

.kana-script-choice button {
  position: relative;
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.kana-script-choice button.is-active {
  border-color: var(--karaoke-ja);
  background: color-mix(in srgb, var(--karaoke-ja) 9%, var(--surface));
  color: var(--text);
}

.kana-script-choice button.is-active::after {
  content: "✓";
  color: var(--karaoke-ja);
  font-size: 0.68rem;
  font-weight: 900;
  text-align: center;
}

.kana-script-symbol {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 780;
}

.kana-script-choice button.is-active .kana-script-symbol {
  background: color-mix(in srgb, var(--karaoke-ja) 15%, var(--surface));
  color: var(--karaoke-ja);
}

.kana-script-choice button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--karaoke-ja) 38%, transparent);
  outline-offset: 1px;
}

.kana-script-choice button b {
  overflow: hidden;
  font-size: 0.68rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.options-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
}

.model-note {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  max-width: 610px;
  color: var(--muted);
}

.model-note > i {
  margin-top: 1px;
  color: var(--primary);
}

.model-note p { margin: 0; }
.model-note strong,
.model-note span { display: block; }

.model-note strong {
  color: var(--text);
  font-size: 0.75rem;
}

.model-note span {
  margin-top: 3px;
  font-size: 0.68rem;
  line-height: 1.45;
}

.karaoke-convert-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 220px;
  min-height: 48px;
  padding-inline: 15px;
}

.convert-btn__copy {
  display: grid;
  gap: 1px;
  text-align: left;
}

.convert-btn__copy small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.61rem;
}

.convert-btn__copy b { font-size: 0.84rem; }

.karaoke-convert-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.progress-panel {
  margin-top: 16px;
  padding: 15px 17px;
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  border-radius: 12px;
  background: var(--surface);
}

.progress-panel__top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
}

.progress-panel__top strong,
.progress-panel__top span { display: block; }
.progress-panel__top strong { font-size: 0.81rem; }

.progress-panel__top span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.7rem;
}

.progress-panel__top b {
  color: var(--primary);
  font-size: 0.74rem;
}

.progress-spinner {
  width: 21px;
  height: 21px;
  border: 3px solid color-mix(in srgb, var(--primary) 18%, transparent);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: karaoke-spin 0.8s linear infinite;
}

.progress-track {
  overflow: hidden;
  height: 4px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--border);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--primary);
}

.progress-actions {
  display: flex;
  justify-content: flex-end;
  gap: 7px;
  margin-top: 12px;
}

.progress-actions button {
  font-size: 0.72rem;
}

.progress-partial-btn {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  color: var(--primary);
}

.progress-actions button:disabled {
  opacity: 0.5;
  cursor: default;
}

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

.karaoke-results { margin-top: 22px; }

.results-toolbar {
  align-items: center;
  padding: 0 1px 12px;
}

.lyrics-output {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.lyric-line {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 11px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
}

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

.lyric-line.is-blank {
  min-height: 30px;
  padding-block: 6px;
  background: var(--surface-2);
}

.lyric-line__number {
  padding-top: 3px;
  color: var(--muted);
  font: 0.68rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  text-align: right;
}

.lyric-line__content { min-width: 0; }
.lyric-original,
.lyric-track { overflow-wrap: anywhere; }

.lyric-original {
  color: var(--text);
  font-size: 0.97rem;
  font-weight: 730;
  line-height: 1.5;
}

.lyric-timestamp {
  margin-right: 7px;
  color: var(--muted);
  font: 0.67rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

.lyric-track {
  display: grid;
  grid-template-columns: minmax(78px, auto) minmax(0, 1fr);
  gap: 9px;
  margin-top: 5px;
  color: var(--track-color);
  font-size: 0.84rem;
  line-height: 1.45;
}

.lyric-track__label {
  color: color-mix(in srgb, var(--track-color) 76%, var(--muted));
  font-size: 0.65rem;
  font-weight: 780;
}

.track-copy-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 9px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
}

.track-copy-panel__title {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 6px;
  color: var(--muted);
  font-size: 0.71rem;
  font-weight: 680;
}

.track-copy-panel__title i { color: var(--primary); }

.track-copy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.track-copy-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 30px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.69rem;
  font-weight: 650;
  cursor: pointer;
}

.track-copy-button i { color: var(--track-copy-color); }
.track-copy-button:hover { border-color: var(--track-copy-color); }

@media (max-width: 720px) {
  .karaoke-page { padding-inline: 14px; }
  .karaoke-hero { padding: 32px 0 24px; }
  .karaoke-badges { gap: 8px 14px; }

  .karaoke-card__header,
  .results-toolbar,
  .options-footer,
  .input-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .karaoke-input-layout,
  .karaoke-card__header,
  .options-footer { padding-inline: 16px; }

  .karaoke-source-panel {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .panel-kicker { min-height: auto; }

  .source-language-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .source-language-tabs button.is-active::after,
  .source-language-tabs button.is-detected:not(.is-active)::after { margin-left: auto; }

  .editor-heading small { display: none; }

  #lyrics-input {
    min-height: 280px;
    padding: 15px;
    font-size: 0.9rem;
  }

  .input-actions { justify-content: space-between; }
  .original-track-card { margin-inline: 16px; }

  .track-options {
    grid-template-columns: 1fr;
    padding-inline: 16px;
  }

  .track-option-group:has(.kana-script-choice) {
    grid-column: 1 / -1;
  }

  .karaoke-convert-btn {
    flex-basis: auto;
    width: 100%;
  }

  .results-actions > button {
    width: 100%;
    justify-content: center;
  }

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

  .progress-actions button {
    justify-content: center;
  }

  .lyric-line {
    grid-template-columns: 25px minmax(0, 1fr);
    gap: 7px;
    padding: 13px 10px;
  }

  .lyric-track {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .track-copy-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .track-copy-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .track-copy-button { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .progress-spinner { animation-duration: 1.8s; }
}