:root {
  --mcat-bg-card: #ffffff;
  --mcat-border: #e2e8f0;
  --mcat-text: #1e293b;
  --mcat-muted: #64748b;
  --mcat-primary: #0284c7;
  --mcat-primary-hover: #0369a1;
  --mcat-primary-fg: #ffffff;
  --mcat-btn-bg: #f8fafc;
  --mcat-btn-border: #cbd5e1;
  --mcat-btn-hover: #e2e8f0;
  --mcat-stat-bg: #f8fafc;
  --mcat-feedback-bg: #e0f2fe;
  --mcat-feedback-text: #0369a1;
  --mcat-light-off: #cbd5e1;
  --mcat-light-on: #eab308;
}

.mcat-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.mcat-card {
  background: var(--mcat-bg-card);
  border: 1px solid var(--mcat-border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.mcat-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.mcat-toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mcat-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mcat-btn-play {
  background: var(--mcat-primary);
  color: var(--mcat-primary-fg);
  border: 1px solid var(--mcat-primary);
}

.mcat-btn-play:hover {
  background: var(--mcat-primary-hover);
}

.mcat-play-icon {
  margin-right: 0.4rem;
}

.mcat-btn-outline {
  background: var(--mcat-btn-bg);
  color: var(--mcat-text);
  border: 1px solid var(--mcat-btn-border);
}

.mcat-btn-outline:hover:not(:disabled) {
  background: var(--mcat-btn-hover);
}

.mcat-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.mcat-audio-bar {
  background: var(--mcat-stat-bg);
  border: 1px solid var(--mcat-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.mcat-audio-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mcat-control-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mcat-text);
  min-width: 100px;
}

.mcat-slider {
  accent-color: var(--mcat-primary);
  cursor: pointer;
}

.mcat-blink-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mcat-light-box {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--mcat-light-off);
  border: 2px solid var(--mcat-border);
  transition: background-color 0.05s ease, box-shadow 0.05s ease;
}

.mcat-light-on {
  background-color: var(--mcat-light-on) !important;
  box-shadow: 0 0 14px var(--mcat-light-on);
}

.mcat-trans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.mcat-panel {
  background: var(--mcat-stat-bg);
  border: 1px solid var(--mcat-border);
  border-radius: 8px;
  padding: 1rem;
}

.mcat-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.mcat-panel-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mcat-text);
}

.mcat-copy-btn {
  background: var(--mcat-btn-bg);
  border: 1px solid var(--mcat-btn-border);
  color: var(--mcat-text);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.mcat-copy-btn:hover {
  border-color: var(--mcat-primary);
  color: var(--mcat-primary);
}

.mcat-textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--mcat-text);
  background-color: var(--mcat-bg-card);
  border: 1px solid var(--mcat-border);
  border-radius: 6px;
  resize: vertical;
}

.mcat-textarea:focus {
  outline: 2px solid var(--mcat-primary);
  outline-offset: -1px;
}

.mcat-morse-font {
  font-family: ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.mcat-feedback {
  display: none;
  margin-bottom: 1.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background-color: var(--mcat-feedback-bg);
  color: var(--mcat-feedback-text);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
}

.mcat-chart-section {
  border-top: 1px solid var(--mcat-border);
  padding-top: 1.25rem;
}

.mcat-chart-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--mcat-text);
  margin: 0 0 0.75rem 0;
}

.mcat-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.5rem;
}

.mcat-chart-card {
  background: var(--mcat-stat-bg);
  border: 1px solid var(--mcat-border);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mcat-nato {
  font-size: 0.7rem;
  color: var(--mcat-muted);
}

@media (max-width: 600px) {
  .mcat-trans-grid {
    grid-template-columns: 1fr;
  }
  .mcat-audio-bar {
    flex-direction: column;
    align-items: stretch;
  }
}
/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --mcat-bg-card: var(--tf-surface);
  --mcat-border: var(--tf-surface);
  --mcat-text: var(--tf-ink);
  --mcat-muted: var(--tf-ink-faint);
  --mcat-primary: #81bcda;
  --mcat-primary-hover: #69aed4;
  --mcat-primary-fg: var(--tf-surface);
  --mcat-btn-bg: var(--tf-surface);
  --mcat-btn-border: #98abc3;
  --mcat-btn-hover: var(--tf-surface);
  --mcat-stat-bg: var(--tf-surface);
  --mcat-feedback-bg: var(--tf-surface);
  --mcat-feedback-text: #69aed4;
  --mcat-light-off: #98abc3;
  --mcat-light-on: #dac481;
}