/* ============================================
   MUSIC TOOLS — Additional Styles
   Music tool styles; builds on site.css and tools.css
   ============================================ */

/* ============================================
   METRONOME STYLES
   ============================================ */

.met-status-banner {
  background: rgba(122,153,104,.14);
  border: 1px solid rgba(122,153,104,.3);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 13px;
  color: var(--accent-green);
  text-align: center;
  margin-bottom: 16px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
}

/* Tempo segment rows */
.met-tempo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 8px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.met-tempo-row.active-segment {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(232,135,92,.18);
}

.met-seg-bpm {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--accent-cyan);
  min-width: 60px;
}

.met-seg-info {
  flex: 1;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.met-badge {
  font-size: 11px;
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
  border-radius: 5px;
  padding: 2px 8px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
}

.met-badge-alt {
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
}

/* Beat dots */
.met-beat-display {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.met-beat-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 2px solid var(--border-subtle);
  transition: background 0.08s, box-shadow 0.08s, border-color 0.08s;
}

.met-beat-dot.on-beat {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(232,135,92,0.5);
}

.met-beat-dot.on-beat-1 {
  background: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 20px rgba(122,153,104,0.5);
}

/* Now playing display */
.met-now-playing {
  text-align: center;
  margin-bottom: 20px;
}

.met-np-bpm {
  font-size: 56px;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--accent-cyan);
  line-height: 1;
  transition: color 0.3s;
}

.met-np-bpm.changed {
  color: var(--accent-orange);
}

.met-np-label {
  font-size: 12px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  margin-top: 4px;
}

.met-np-progress {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
}

.met-np-progress span {
  color: var(--text-primary);
  font-weight: 600;
}

/* Progress bar */
.met-progress-bar-wrap {
  background: var(--bg-input);
  border-radius: 4px;
  height: 6px;
  margin-bottom: 20px;
  overflow: hidden;
}

.met-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 4px;
  transition: width 0.1s linear;
  width: 0%;
}

/* Toggle switches */
.met-toggles {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.met-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.met-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  display: inline-block;
}

.met-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.met-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-input);
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border-subtle);
}

.met-toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.met-toggle input:checked + .met-toggle-slider {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.met-toggle input:checked + .met-toggle-slider::before {
  transform: translateX(18px);
  background: #fff;
}

/* Timeline */
.met-tl-bar {
  display: flex;
  height: 28px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  gap: 2px;
}

.met-tl-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: #fff;
  border-radius: 4px;
  min-width: 0;
  overflow: hidden;
  transition: opacity 0.2s;
  cursor: default;
}

.met-tl-seg.played { opacity: 0.35; }
.met-tl-seg.current { box-shadow: 0 0 0 2px #fff; opacity: 1; }
.met-tl-seg span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 4px; }


/* ============================================
   SHEET MUSIC CREATOR STYLES
   ============================================ */

.sm-btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sm-dur-btn, .sm-acc-btn {
  min-width: 70px;
  padding: 8px 14px;
  font-size: 13px;
}

.sm-dot-btn {
  padding: 8px 14px;
  font-size: 13px;
}

.sm-dur-btn.active,
.sm-acc-btn.active,
.sm-dot-btn.active,
.sm-dyn-btn.active,
.sm-art-btn.active {
  background: var(--accent-cyan-dim) !important;
  border-color: var(--accent-cyan) !important;
  color: var(--accent-cyan) !important;
}

.sm-dyn-btn, .sm-art-btn {
  min-width: 40px;
  padding: 7px 12px;
  font-size: 13px;
}

.sm-marking-label {
  font-size: 12px;
  color: var(--text-muted);
  align-self: center;
  white-space: nowrap;
}

.sm-marking-sep {
  width: 1px;
  align-self: stretch;
  background: var(--border-subtle);
  margin: 0 4px;
}

.sm-clef-info {
  font-size: 11px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  margin-top: 5px;
}

.sm-note-btn {
  width: 48px;
  height: 48px;
  font-size: 18px !important;
  font-weight: 700 !important;
  font-family: var(--font-display) !important;
  padding: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sm-note-btn:hover {
  background: var(--accent-cyan-dim) !important;
  border-color: var(--accent-cyan) !important;
  color: var(--accent-cyan) !important;
}

/* Note list */
.sm-note-list {
  max-height: 300px;
  overflow-y: auto;
}

.sm-note-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 13px;
}

.sm-note-row:last-child { border-bottom: none; }

.sm-note-idx {
  width: 24px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
}

.sm-note-name {
  font-weight: 600;
  color: var(--accent-cyan);
  min-width: 50px;
}

.sm-note-dur {
  color: var(--text-secondary);
  flex: 1;
}

.sm-note-mark {
  font-size: 12px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: var(--accent-orange);
  min-width: 40px;
}

.sm-edit-btn {
  background: none !important;
  border: none !important;
  font-size: 13px !important;
  padding: 2px 6px !important;
  color: var(--text-muted) !important;
  cursor: pointer;
  line-height: 1;
}

.sm-edit-btn:hover {
  color: var(--accent-cyan) !important;
}

.sm-edit-sel {
  padding: 3px 6px !important;
  font-size: 11px !important;
  min-width: 0 !important;
}

.sm-edit-dur { min-width: 85px !important; }

.sm-edit-save {
  font-size: 12px !important;
  padding: 3px 8px !important;
}

/* Score container */
.sm-score-container {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  min-height: 180px;
  overflow-x: auto;
}

.sm-score-container svg {
  display: block;
  margin: 0 auto;
}


/* ============================================
   SCALE EXPLORER STYLES
   ============================================ */

.ise-notes-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.ise-note-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  min-width: 60px;
  transition: border-color var(--transition-fast);
}

.ise-note-pill.ise-root {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
}

.ise-degree {
  font-size: 11px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ise-root .ise-degree {
  color: var(--accent-cyan);
}

.ise-notename {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-display);
}

.ise-root .ise-notename {
  color: var(--accent-cyan);
}

.ise-pattern-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.ise-pattern-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
}

.ise-pattern-value {
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--accent-purple);
  background: var(--accent-purple-dim);
  padding: 4px 12px;
  border-radius: 6px;
  letter-spacing: 0.04em;
}

.ise-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
}

.ise-legend-item {
  font-size: 12px;
  color: var(--text-muted);
}

.ise-chords-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.ise-chord-card {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ise-chord-numeral {
  font-size: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-cyan);
}

.ise-chord-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.ise-chord-notes {
  font-size: 11px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}


/* ============================================
   CHORD BUILDER STYLES
   ============================================ */

.cb-notes-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.cb-note-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 62px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-input);
  text-align: center;
}

.cb-note-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.cb-note-interval {
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 11px;
  font-weight: 600;
  opacity: 0.85;
}

.cb-note-root  { background: rgba(232,135,92,0.15); border-color: rgba(232,135,92,0.4); color: var(--accent-cyan); }
.cb-note-3rd   { background: rgba(200,122,112,0.15); border-color: rgba(200,122,112,0.4); color: var(--accent-red); }
.cb-note-5th   { background: rgba(122,153,104,0.15); border-color: rgba(122,153,104,0.4); color: var(--accent-purple); }
.cb-note-7th   { background: rgba(212,149,106,0.15); border-color: rgba(212,149,106,0.4); color: var(--accent-orange); }
.cb-note-2nd   { background: rgba(122,153,104,0.10); border-color: rgba(122,153,104,0.3); color: var(--accent-purple); }
.cb-note-4th   { background: rgba(122,153,104,0.10); border-color: rgba(122,153,104,0.3); color: var(--accent-purple); }
.cb-note-6th   { background: rgba(212,149,106,0.10); border-color: rgba(212,149,106,0.3); color: var(--accent-orange); }
.cb-note-other { background: var(--bg-input); }

.cb-formula-row {
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.cb-keys-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.cb-keys-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 110px;
}

.cb-key-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
}

.cb-key-major {
  background: rgba(232,135,92,0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(232,135,92,0.3);
}

.cb-key-minor {
  background: rgba(200,122,112,0.12);
  color: var(--accent-red);
  border: 1px solid rgba(200,122,112,0.3);
}

.cb-ai-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-primary);
}

/* ============================================
   CHORD PROGRESSION BUILDER STYLES
   ============================================ */

.cpb-palette-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cpb-palette-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  min-width: 74px;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  font-family: var(--font-body);
}

.cpb-palette-btn:hover {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
}

.cpb-palette-btn:active {
  transform: scale(0.95);
}

.cpb-pal-numeral {
  font-size: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}

.cpb-pal-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.cpb-pal-notes {
  font-size: 10px;
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  text-align: center;
}

.cpb-prog-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 64px;
  padding: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.cpb-prog-empty {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 auto;
  text-align: center;
}

.cpb-prog-chord {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: var(--accent-cyan-dim);
  border: 1px solid rgba(232,135,92,0.35);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.cpb-prog-chord:hover {
  background: rgba(200,122,112,0.15);
  border-color: var(--accent-red);
}

.cpb-prog-chord:hover::after {
  content: '\00d7';
  position: absolute;
  top: -7px;
  right: -7px;
  background: var(--accent-red);
  color: #fff;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
}

.cpb-prog-numeral {
  font-size: 15px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}

.cpb-prog-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
}

.cpb-prog-arrow {
  color: var(--text-muted);
  font-size: 14px;
  flex-shrink: 0;
  user-select: none;
}

.cpb-ai-result {
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-primary);
}


/* ============================================
   INTERVAL EAR TRAINER STYLES
   ============================================ */

.iet-ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.iet-ref-card {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.iet-ref-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 2px;
}

.iet-ref-abbr {
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  padding: 2px 6px;
  border-radius: 4px;
}

.iet-ref-semitones {
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 10px;
  color: var(--text-muted);
}

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

.iet-ref-song {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

.iet-score-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.iet-score-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.iet-score-val {
  font-family: var(--font-body); font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-green);
}

.iet-quiz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.iet-quiz-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  text-align: center;
}

.iet-quiz-btn:not(:disabled):hover {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
}

.iet-quiz-btn.correct {
  background: rgba(122,153,104,0.18);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.iet-quiz-btn.wrong {
  background: rgba(200,122,112,0.12);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.iet-quiz-btn:disabled {
  cursor: default;
}

.iet-feedback {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.65;
}

.iet-feedback.correct {
  background: rgba(122,153,104,0.12);
  border: 1px solid rgba(122,153,104,0.3);
  color: var(--accent-green);
}

.iet-feedback.wrong {
  background: rgba(200,122,112,0.08);
  border: 1px solid rgba(200,122,112,0.25);
  color: var(--text-primary);
}


/* ============================================
   RESPONSIVE OVERRIDES
   ============================================ */

@media (max-width: 768px) {
  .met-np-bpm { font-size: 40px; }
  .sm-note-btn { width: 42px; height: 42px; font-size: 16px !important; }
  .sm-dur-btn, .sm-acc-btn { min-width: 60px; font-size: 12px; padding: 6px 10px; }
  .ise-note-pill { min-width: 50px; padding: 8px 10px; }
  .ise-chords-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .cb-note-pill { min-width: 52px; padding: 8px 10px; }
  .cb-note-name { font-size: 17px; }
  .cb-keys-label { min-width: 100%; }
  .iet-ref-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .iet-quiz-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .cpb-palette-btn { min-width: 66px; padding: 10px 12px; }
}