/* ============================================================
   MICROTONAL SCALE GENERATOR — tool.css
   ============================================================ */

/* ── Tool Container ── */
.tool-container {
  background: rgba(10, 10, 10, 0.85);
  border: 1px solid rgba(0, 255, 65, 0.15);
  border-radius: var(--radius-lg, 12px);
  padding: var(--space-lg, 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-md, 1.5rem);
}

/* ── Controls Layout ── */
.micro-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-md, 1.5rem);
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm, 1rem);
  align-items: end;
}

.control-row .control-group {
  flex: 1;
  min-width: 180px;
}

/* ── EDO Slider ── */
.edo-slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.edo-slider {
  flex: 1;
  min-width: 120px;
  accent-color: var(--color-primary, #00ff41);
}

.edo-input {
  width: 64px;
  text-align: center;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-sm, 0.875rem);
  padding: 0.35rem 0.5rem;
}

.edo-label {
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-sm, 0.875rem);
  color: var(--color-primary, #00ff41);
  white-space: nowrap;
  min-width: 70px;
}

/* ── Playback Controls ── */
.playback-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm, 1rem);
  padding: var(--space-sm, 1rem) 0;
  border-top: 1px solid rgba(0, 255, 65, 0.08);
  border-bottom: 1px solid rgba(0, 255, 65, 0.08);
}

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

.tempo-control .slider {
  width: 100px;
  accent-color: var(--color-primary, #00ff41);
}

.tempo-value {
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-sm, 0.875rem);
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
  min-width: 65px;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-sm, 0.875rem);
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
  cursor: pointer;
  white-space: nowrap;
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--color-primary, #00ff41);
}

/* ── Info Panel ── */
.scale-info-panel {
  border: 1px solid rgba(0, 255, 65, 0.12);
  border-radius: var(--radius-md, 8px);
  padding: var(--space-md, 1.5rem);
  background: rgba(0, 255, 65, 0.02);
}

.info-header {
  margin-bottom: var(--space-sm, 1rem);
}

.info-title {
  font-family: var(--font-display, 'Orbitron', sans-serif);
  font-size: var(--fs-lg, 1.25rem);
  color: var(--color-primary, #00ff41);
  margin: 0;
}

.info-alt {
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-sm, 0.875rem);
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
  margin-top: 0.25rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-sm, 1rem);
}

.info-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 255, 65, 0.08);
  border-radius: var(--radius-sm, 6px);
  padding: 0.75rem 1rem;
}

.info-card__label {
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted, rgba(255, 255, 255, 0.4));
  margin-bottom: 0.25rem;
}

.info-card__value {
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-base, 1rem);
  color: var(--color-text, #e0e0e0);
}

/* ── Visual Sections ── */
.visual-section {
  border: 1px solid rgba(0, 255, 65, 0.08);
  border-radius: var(--radius-md, 8px);
  padding: var(--space-md, 1.5rem);
  background: rgba(0, 0, 0, 0.2);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm, 1rem);
}

.panel-title {
  font-family: var(--font-display, 'Orbitron', sans-serif);
  font-size: var(--fs-base, 1rem);
  color: var(--color-primary, #00ff41);
  margin: 0;
}

/* ── Scale Degree Table ── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.scale-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: var(--fs-sm, 0.875rem);
}

.scale-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.scale-table th {
  background: rgba(0, 255, 65, 0.08);
  color: var(--color-primary, #00ff41);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(0, 255, 65, 0.15);
  white-space: nowrap;
}

.scale-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--color-text, #e0e0e0);
  white-space: nowrap;
}

.scale-table tbody tr:hover {
  background: rgba(0, 255, 65, 0.04);
}

.scale-table tbody tr.row--root {
  background: rgba(0, 255, 65, 0.06);
}

.scale-table tbody tr.row--root td:first-child {
  color: var(--color-primary, #00ff41);
  font-weight: 700;
}

.scale-table tbody tr.row--octave {
  background: rgba(0, 212, 255, 0.04);
  border-top: 1px solid rgba(0, 212, 255, 0.15);
}

.scale-table .cents-cell {
  color: var(--color-secondary, #00d4ff);
}

.scale-table .deviation-cell {
  font-size: 0.8rem;
}

.scale-table .deviation-cell.deviation--close {
  color: var(--color-primary, #00ff41);
}

.scale-table .deviation-cell.deviation--mid {
  color: #ffaa00;
}

.scale-table .deviation-cell.deviation--far {
  color: #ff5555;
}

/* Play button in table */
.play-note-btn {
  background: transparent;
  border: 1px solid rgba(0, 255, 65, 0.25);
  color: var(--color-primary, #00ff41);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.75rem;
  transition: background 0.15s, border-color 0.15s;
}

.play-note-btn:hover {
  background: rgba(0, 255, 65, 0.1);
  border-color: rgba(0, 255, 65, 0.5);
}

.play-note-btn:active,
.play-note-btn.playing {
  background: rgba(0, 255, 65, 0.2);
  color: #fff;
}

/* ── 12-TET Comparison Overlay ── */
.comparison-overlay {
  border-color: rgba(0, 212, 255, 0.15);
}

.comparison-chart-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison-chart-wrap canvas {
  width: 100%;
  height: 200px;
  display: block;
  border-radius: var(--radius-sm, 6px);
}

.comparison-legend {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.75rem;
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-dot--primary {
  background: var(--color-primary, #00ff41);
}

.legend-dot--cyan {
  background: var(--color-secondary, #00d4ff);
}

/* ── Custom Cent Editor ── */
.cent-editor {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-sm, 1rem);
  max-height: 320px;
  overflow-y: auto;
  padding: 0.25rem;
}

.cent-chip {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 255, 65, 0.12);
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.8rem;
  transition: border-color 0.15s;
}

.cent-chip:focus-within {
  border-color: rgba(0, 255, 65, 0.4);
}

.cent-chip__label {
  color: var(--color-text-muted, rgba(255, 255, 255, 0.4));
  font-size: 0.7rem;
  min-width: 18px;
}

.cent-chip__input {
  background: transparent;
  border: none;
  color: var(--color-text, #e0e0e0);
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.8rem;
  width: 70px;
  outline: none;
  padding: 0;
}

.cent-chip__input:focus {
  color: var(--color-primary, #00ff41);
}

.cent-chip__remove {
  background: transparent;
  border: none;
  color: rgba(255, 80, 80, 0.5);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0.15rem;
  line-height: 1;
  transition: color 0.15s;
}

.cent-chip__remove:hover {
  color: #ff5555;
}

.cent-chip--root {
  border-color: rgba(0, 255, 65, 0.3);
}

.cent-chip--root .cent-chip__label {
  color: var(--color-primary, #00ff41);
}

.cent-editor-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── Tool Actions ── */
.tool-actions {
  display: flex;
  gap: var(--space-sm, 1rem);
  flex-wrap: wrap;
  padding-top: var(--space-sm, 1rem);
  border-top: 1px solid rgba(0, 255, 65, 0.08);
}

/* ── Button Variants ── */
.btn--sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* ── Keyboard Shortcut Hint ── */
.kbd-hint {
  display: inline-block;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.65rem;
  color: var(--color-text-muted, rgba(255, 255, 255, 0.4));
  margin-left: 0.35rem;
  vertical-align: middle;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .tool-container {
    padding: var(--space-sm, 1rem);
  }

  .control-row {
    flex-direction: column;
  }

  .control-row .control-group {
    min-width: 100%;
  }

  .info-grid {
    grid-template-columns: 1fr 1fr;
  }

  .scale-table {
    font-size: 0.75rem;
  }

  .scale-table th,
  .scale-table td {
    padding: 0.4rem 0.5rem;
  }

  .playback-controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .comparison-chart-wrap canvas {
    height: 150px;
  }
}

@media (max-width: 480px) {
  .info-grid {
    grid-template-columns: 1fr;
  }

  .edo-slider-wrap {
    flex-wrap: wrap;
  }

  .tool-actions {
    flex-direction: column;
  }

  .tool-actions .btn {
    width: 100%;
  }
}