/* Just Intonation Calculator Styles */

/* Controls row */
.controls-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.control-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}
.input-label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
}
.input-field {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  padding: var(--space-xs) var(--space-sm);
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
}
select.input-field {
  cursor: pointer;
  appearance: auto;
}
.input-with-unit {
  display: flex;
  gap: var(--space-xs);
}
.input-with-unit .input-field {
  flex: 1;
}
.unit-badge {
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.slider-wrap {
  margin-top: var(--space-xs);
}
.slider {
  width: 100%;
  accent-color: var(--color-primary);
  cursor: pointer;
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}
.a4-display {
  margin-top: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--fs-base);
  color: var(--color-primary);
  text-align: center;
}

/* Root frequency display */
.root-freq-display {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.root-freq-note {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}
.root-freq-hz {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  color: var(--color-secondary);
}

/* Comparison table section */
.comparison-section {
  margin-bottom: var(--space-lg);
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}
.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}
.data-table th {
  background: var(--color-surface);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  border-bottom: 2px solid var(--color-border);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.data-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
  color: var(--color-text);
  white-space: nowrap;
}
.data-table tr:hover td {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

/* Interval name column */
.interval-name {
  font-weight: 600;
}

/* Ratio column styling */
.ratio-cell {
  color: var(--color-secondary);
  font-weight: 600;
}

/* JI frequency - highlight */
.ji-freq-cell {
  color: var(--color-primary);
}

/* TET frequency */
.tet-freq-cell {
  color: var(--color-text-muted);
}

/* Cents difference coloring */
.cents-cell {
  font-weight: 600;
}
.cents-positive {
  color: #f1c40f;
}
.cents-negative {
  color: #3498db;
}
.cents-zero {
  color: var(--color-primary);
}

/* Beating frequency */
.beat-cell {
  color: #e67e22;
}
.beat-zero {
  color: var(--color-primary);
}

/* Play buttons in table */
.ab-play-btn, .chord-check-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.play-btn, .ab-play-btn button {
  padding: 3px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: all 0.2s;
}
.play-btn:hover, .ab-play-btn button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.play-btn.playing-btn, .ab-play-btn button.playing-btn {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.ab-play-btn .ji-play {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.ab-play-btn .ji-play:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.ab-play-btn .tet-play {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.ab-play-btn .tet-play:hover {
  background: color-mix(in srgb, var(--color-secondary) 10%, transparent);
}
.ab-play-btn .ab-btn {
  border-color: #f1c40f;
  color: #f1c40f;
}
.ab-play-btn .ab-btn:hover {
  background: rgba(241, 196, 15, 0.1);
}

/* Chord checkbox */
.chord-check {
  accent-color: var(--color-primary);
  cursor: pointer;
  width: 16px;
  height: 16px;
}

/* Playing row glow */
.data-table tr.playing td {
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
}
@keyframes playGlow {
  0%, 100% { box-shadow: inset 0 0 10px color-mix(in srgb, var(--color-primary) 10%, transparent); }
  50% { box-shadow: inset 0 0 25px color-mix(in srgb, var(--color-primary) 20%, transparent); }
}
.data-table tr.playing td:first-child {
  animation: playGlow 1s ease-in-out infinite;
}

/* Unison row special highlight */
.data-table tr.unison-row td {
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
}

/* Action buttons */
.action-btns {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

/* Chord builder panel */
.chord-builder-section {
  margin-bottom: var(--space-xl);
}
.chord-builder-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
.chord-presets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
  margin-bottom: var(--space-md);
}
.chord-presets .input-label {
  margin-bottom: 0;
  margin-right: var(--space-xs);
}
.chord-preset-btn {
  font-size: var(--fs-xs) !important;
  padding: 4px 10px !important;
}
.chord-preset-btn.active {
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent) !important;
}
.chord-selected {
  margin-bottom: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.chord-play-row {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Comma section */
.comma-section {
  margin-bottom: var(--space-xl);
}
.comma-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.comma-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}
.comma-title {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.comma-ratio {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
  padding: var(--space-xs) 0;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}
.comma-cents {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: #f1c40f;
  margin-bottom: var(--space-sm);
}
.comma-desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  text-align: left;
  margin-bottom: var(--space-sm);
}
.comma-play-btn {
  margin-top: var(--space-xs);
}

/* Formula */
.formula-section {
  margin-top: var(--space-xl);
}
.formula-explainer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}
.formula-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.fc-title {
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.fc-formula {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-secondary);
  margin: var(--space-xs) 0;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}
.fc-desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Content sections */
.content-section h2 {
  color: var(--color-primary);
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}
.content-section h3 {
  color: var(--color-secondary);
  margin: var(--space-lg) 0 var(--space-sm);
}
.content-list {
  padding-left: var(--space-lg);
  line-height: 1.8;
}
.content-list li {
  margin-bottom: var(--space-sm);
}

/* Related tools grid */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 700px;
  margin: 0 auto;
}
.related-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s;
}
.related-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.related-icon {
  font-size: 2rem;
}
.related-name {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text);
  text-align: center;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}
.faq-question {
  padding: var(--space-md);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-question::after {
  content: '+';
  color: var(--color-primary);
  font-size: 1.2em;
}
details[open] .faq-question::after {
  content: '\2212';
}
.faq-answer {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
}

/* Keyboard shortcut hint */
.shortcut-hint {
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  opacity: 0.6;
}
kbd {
  display: inline-block;
  padding: 1px 5px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Responsive */
@media (max-width: 768px) {
  .controls-row {
    grid-template-columns: 1fr !important;
  }
  .formula-explainer {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .comma-grid {
    grid-template-columns: 1fr;
  }
  .chord-play-row {
    flex-direction: column;
    align-items: stretch;
  }
  .data-table {
    font-size: 11px;
  }
  .data-table th, .data-table td {
    padding: 4px 6px;
  }
  .action-btns {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .chord-presets {
    justify-content: center;
  }
  .ab-play-btn {
    flex-direction: column;
    gap: 2px;
  }
}