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var(--transition-fast);font-size:.8rem;font-weight:500;font-family:var(--font-sans)}.chord-type-btn:hover{color:var(--text-primary);border-color:var(--border-active)}.chord-type-btn.active{background:var(--gradient-primary);color:#fff;border-color:#0000}.chord-display{max-width:600px;padding:var(--space-xl);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);text-align:center;margin:0 auto}.chord-display-name{font-family:var(--font-display);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:900}.play-chord-btn{padding:var(--space-sm)var(--space-xl);border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-normal);margin-bottom:var(--space-lg);box-shadow:var(--glow-indigo)}.play-chord-btn:hover{transform:scale(1.05);box-shadow:0 0 30px 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6px;flex:1;justify-content:center;align-items:flex-end;display:flex}.mini-white-key:hover{background:linear-gradient(#e8e0ff,#f0eaff)}.mini-white-key.highlighted{background:linear-gradient(180deg,var(--accent-violet),#c4b5fd);box-shadow:var(--glow-violet)}.mini-white-key.highlighted:hover{background:linear-gradient(#b99bff,#d4c5ff)}.mini-black-key{z-index:2;width:7%;height:75px;transition:all var(--transition-fast);cursor:pointer;background:linear-gradient(#1a1a2e,#2d2d44);border-radius:0 0 4px 4px;justify-content:center;align-items:flex-end;display:flex;position:absolute}.mini-black-key:hover{background:linear-gradient(#2a2a4e,#3d3d64)}.mini-black-key.highlighted{background:linear-gradient(180deg,var(--accent-indigo),var(--accent-violet));box-shadow:var(--glow-indigo)}.mini-black-key.highlighted:hover{background:linear-gradient(#7375ff,#b99bff)}.mini-key-label{pointer-events:none;padding-bottom:4px;font-size:.55rem;font-weight:600}.mini-white-key .mini-key-label{color:#888}.mini-white-key.highlighted .mini-key-label{color:#fff}.mini-black-key .mini-key-label{color:#999;font-size:.45rem}.mini-black-key.highlighted .mini-key-label{color:#fff}.scale-selector{justify-content:center;gap:var(--space-xs);margin-bottom:var(--space-xl);flex-wrap:wrap;max-width:800px;margin-left:auto;margin-right:auto;display:flex}.scale-btn{padding:var(--space-xs)var(--space-md);border-radius:var(--radius-full);background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast);font-size:.8rem;font-weight:500;font-family:var(--font-sans)}.scale-btn:hover{color:var(--text-primary);border-color:var(--border-active)}.scale-btn.active{background:var(--gradient-primary);color:#fff;border-color:#0000}.scale-display{max-width:700px;padding:var(--space-xl);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);text-align:center;margin:0 auto}.scale-header{margin-bottom:var(--space-lg)}.scale-title{font-family:var(--font-display);background:var(--gradient-primary);-webkit-text-fill-color:transparent;margin-bottom:var(--space-xs);-webkit-background-clip:text;background-clip:text;font-size:1.8rem;font-weight:800}.scale-desc{color:var(--text-secondary);font-size:.9rem}.play-btn{align-items:center;gap:var(--space-sm);padding:var(--space-md)var(--space-xl);border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;font-size:1rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-normal);margin-bottom:var(--space-xl);box-shadow:var(--glow-indigo);display:inline-flex}.play-btn.playing{animation:1s ease-in-out infinite pulse-glow}.scale-notes-row{justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-xl);flex-wrap:wrap;display:flex}.scale-note-item{align-items:center;gap:var(--space-xs);flex-direction:column;display:flex;position:relative}.scale-note-circle{background:var(--bg-tertiary);border:2px solid var(--accent-violet);width:52px;height:52px;color:var(--text-heading);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.scale-note-circle:hover{background:var(--accent-violet);color:#fff;box-shadow:var(--glow-violet);transform:scale(1.1)}.scale-note-circle.playing-note{background:var(--accent-violet);color:#fff;transform:scale(1.15);box-shadow:0 0 25px #a78bfa99}.scale-note-degree{color:var(--text-muted);font-size:.7rem}.scale-interval-bridge{color:var(--accent-pink);font-size:.65rem;font-weight:600;position:absolute;top:18px;right:-16px}.scale-formula,.scale-intervals{justify-content:center;align-items:center;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap;display:flex}.formula-value{color:var(--accent-violet);font-size:.9rem;font-weight:600}.interval-chips{gap:var(--space-xs);display:flex}.interval-chip{border-radius:var(--radius-full);color:var(--accent-violet);background:#a78bfa26;padding:2px 10px;font-size:.8rem;font-weight:600}.cof-layout{gap:var(--space-xl);flex-wrap:wrap;justify-content:center;align-items:flex-start;max-width:900px;margin:0 auto;display:flex}.cof-circle-wrapper{flex:0 0 400px;justify-content:center;display:flex}.cof-panel{min-width:280px;padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);flex:1}.cof-panel h3{font-family:var(--font-display);margin-bottom:var(--space-md);text-align:center;font-size:1.3rem}.cof-chord-list{gap:var(--space-sm);flex-direction:column;display:flex}.cof-chord-item{align-items:center;gap:var(--space-md);padding:var(--space-sm)var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary);cursor:pointer;transition:all var(--transition-fast);display:flex}.cof-chord-item:hover{background:var(--bg-card-hover);box-shadow:var(--glow-violet)}.cof-chord-roman{min-width:50px;color:var(--text-heading);font-size:1rem;font-weight:700}.cof-chord-name{color:var(--text-secondary);font-size:.9rem}.cof-chord-fn{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;margin-left:auto;padding:2px 8px;font-size:.7rem;font-weight:600}.fn-tonic{color:var(--accent-emerald);background:#34d39926}.fn-subdominant{color:var(--accent-amber);background:#fbbf2426}.fn-dominant{color:var(--accent-pink);background:#f472b626}.chord-cards-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(140px,1fr));max-width:800px;margin:0 auto;display:grid}.chord-card{padding:var(--space-lg)var(--space-md);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);text-align:center;cursor:pointer;transition:all var(--transition-normal)}.chord-card-roman{color:var(--text-heading);font-size:1.3rem;font-weight:800;font-family:var(--font-display);margin-bottom:var(--space-xs)}.chord-card-name{color:var(--accent-violet);margin-bottom:var(--space-sm);font-size:.9rem;font-weight:600}.chord-card-notes{color:var(--text-muted);margin-bottom:var(--space-sm);font-size:.75rem}.chord-card-function{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;font-size:.65rem;font-weight:600;display:inline-block}.cheat-sections{gap:var(--space-xl);max-width:800px;margin:0 auto;display:grid}.cheat-section{padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle)}.cheat-section h3{font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border-subtle);font-size:1.1rem}.cheat-row{gap:var(--space-sm);flex-wrap:wrap;justify-content:center;display:flex}.cheat-pill{padding:var(--space-sm)var(--space-md);border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-primary);font-size:.85rem;font-weight:600}.cheat-info-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid}.cheat-info-item{padding:var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary);text-align:center}.cheat-info-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:var(--space-xs);font-size:.7rem}.cheat-info-value{color:var(--accent-violet);font-size:1rem;font-weight:700}.cheat-chord-grid{gap:var(--space-sm);grid-template-columns:repeat(auto-fill,minmax(100px,1fr));display:grid}.cheat-chord{padding:var(--space-sm);border-radius:var(--radius-md);background:var(--bg-tertiary);text-align:center}.cheat-chord-name{color:var(--text-secondary);font-size:.75rem}.cheat-degree-grid{gap:var(--space-sm);grid-template-columns:repeat(auto-fill,minmax(140px,1fr));display:grid}.cheat-degree{padding:var(--space-sm);border-radius:var(--radius-md);background:var(--bg-tertiary);text-align:center}.cheat-degree-num{color:var(--accent-violet);font-weight:700}.cheat-degree-name{color:var(--text-secondary);font-size:.8rem}.cheat-mode-grid{gap:var(--space-sm);flex-direction:column;display:flex}.cheat-mode-item{align-items:center;gap:var(--space-md);padding:var(--space-sm)var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary);display:flex}.cheat-mode-name{min-width:100px;color:var(--text-heading);font-weight:700}.cheat-mode-notes{color:var(--text-secondary);font-size:.85rem}.scales-table{gap:var(--space-sm);flex-direction:column;max-width:800px;margin:0 auto;display:flex}.scale-row{padding:var(--space-md)var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast)}.scale-row:hover{border-color:var(--border-active);box-shadow:var(--glow-violet)}.scale-row.expanded{border-color:var(--accent-violet)}.scale-row-header{justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.scale-row-key{font-family:var(--font-display);color:var(--text-heading);min-width:80px;font-size:1.3rem;font-weight:800}.scale-row-notes{color:var(--text-secondary);flex:1;font-size:.85rem}.scale-row-buttons{gap:var(--space-sm);align-items:center;display:flex}.scale-play-btn{padding:var(--space-xs)var(--space-md);border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;cursor:pointer;transition:all var(--transition-fast);font-size:.8rem;font-weight:600;font-family:var(--font-sans)}.scale-play-btn:hover{transform:scale(1.05)}.expand-arrow{color:var(--text-muted);transition:transform var(--transition-fast);font-size:1.2rem}.expanded .expand-arrow{transform:rotate(180deg)}.scale-detail{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-subtle);gap:var(--space-md);flex-direction:column;display:flex}.scale-detail-section{gap:var(--space-md);flex-wrap:wrap;align-items:center;display:flex}.scale-detail-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);min-width:100px;font-size:.75rem;font-weight:600}.scale-detail-value{color:var(--text-secondary);font-size:.85rem}.diatonic-chords{gap:var(--space-xs);flex-wrap:wrap;display:flex}.diatonic-chip{border-radius:var(--radius-full);color:var(--accent-violet);background:#a78bfa26;padding:4px 12px;font-size:.8rem;font-weight:600}.progressions-list{gap:var(--space-md);flex-direction:column;max-width:700px;margin:0 auto;display:flex}.progression-card{padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);transition:all var(--transition-fast)}.progression-card:hover{border-color:var(--border-active)}.progression-header{margin-bottom:var(--space-md);justify-content:space-between;align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.progression-name{font-family:var(--font-display);color:var(--text-heading);font-size:1.2rem;font-weight:700}.progression-genre{border-radius:var(--radius-full);color:var(--accent-violet);text-transform:uppercase;letter-spacing:.05em;background:#a78bfa26;padding:2px 10px;font-size:.7rem;font-weight:600}.progression-numerals{gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap;display:flex}.prog-numeral{padding:var(--space-sm)var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--border-subtle);text-align:center;min-width:60px}.prog-numeral-roman{color:var(--text-heading);font-size:1rem;font-weight:700}.prog-numeral-name{color:var(--text-secondary);font-size:.7rem}.progression-desc{color:var(--text-secondary);margin-bottom:var(--space-md);font-size:.85rem}.prog-play-btn{padding:var(--space-sm)var(--space-lg);border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;cursor:pointer;transition:all var(--transition-fast);font-size:.85rem;font-weight:600;font-family:var(--font-sans);box-shadow:var(--glow-indigo)}.prog-play-btn:hover{transform:scale(1.05);box-shadow:0 0 30px #6366f180}.intervals-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fill,minmax(180px,1fr));max-width:800px;margin:0 auto;display:grid}.interval-card{padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);text-align:center;transition:all var(--transition-fast)}.interval-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet)}.interval-short{font-family:var(--font-display);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem;font-weight:800}.interval-semitones{color:var(--text-muted);margin-bottom:var(--space-sm);font-size:.75rem}.interval-name{color:var(--text-heading);margin-bottom:var(--space-xs);font-size:.85rem;font-weight:600}.interval-example{color:var(--accent-violet);font-size:.8rem}.interval-quality{color:var(--text-muted);margin-top:var(--space-xs);font-size:.65rem}.interval-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.interval-example{justify-content:center;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);display:flex}.interval-from,.interval-to{border-radius:var(--radius-full);padding:4px 12px;font-size:.9rem;font-weight:700}.interval-from{color:var(--accent-violet);background:#a78bfa26}.interval-to{color:var(--accent-pink);background:#f472b626}.interval-arrow{color:var(--text-muted);font-size:1.2rem}.circle-layout{align-items:flex-start;gap:var(--space-2xl);flex-wrap:wrap;justify-content:center;display:flex}.circle-wrapper{flex-shrink:0;width:100%;max-width:400px}.circle-svg{filter:drop-shadow(0 0 30px #6366f126);width:100%;height:auto}.chord-panel{flex:1;min-width:280px;max-width:400px}.chord-panel-title{font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-lg);font-size:1.2rem}.key-highlight{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.chord-pills{gap:var(--space-sm);flex-direction:column;display:flex}.chord-pill{align-items:center;gap:var(--space-md);padding:var(--space-md)var(--space-lg);border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-sans);text-align:left;width:100%;display:flex}.chord-pill:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translate(4px)}.chord-pill.fn-tonic{border-left:3px solid var(--accent-violet)}.chord-pill.fn-subdominant{border-left:3px solid var(--accent-pink)}.chord-pill.fn-dominant{border-left:3px solid var(--accent-emerald)}.chord-roman{min-width:42px;color:var(--accent-violet);font-size:1.1rem;font-weight:700}.chord-name{min-width:60px;font-size:.95rem;font-weight:600}.chord-notes{color:var(--text-secondary);font-size:.8rem}.chord-legend{gap:var(--space-lg);margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--border-subtle);display:flex}.legend-item{align-items:center;gap:var(--space-xs);color:var(--text-secondary);font-size:.8rem;display:flex}.legend-dot{border-radius:50%;width:8px;height:8px}.legend-dot.tonic{background:var(--accent-violet)}.legend-dot.subdominant{background:var(--accent-pink)}.legend-dot.dominant{background:var(--accent-emerald)}.scales-table-wrapper{max-width:900px;margin:0 auto;overflow-x:auto}table.scales-table{border-collapse:separate;border-spacing:0 4px;width:100%;max-width:none;display:table}table.scales-table th{text-align:left;padding:var(--space-sm)var(--space-md);text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);border-bottom:1px solid var(--border-subtle);font-size:.75rem;font-weight:600}tr.scale-row{cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:0;padding:0}tr.scale-row td{padding:var(--space-md);background:var(--bg-card);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}tr.scale-row td:first-child{border-left:1px solid var(--border-subtle);border-radius:var(--radius-md)0 0 var(--radius-md)}tr.scale-row td:last-child{border-right:1px solid var(--border-subtle);border-radius:0 var(--radius-md)var(--radius-md)0}tr.scale-row:hover td{border-color:var(--border-active);background:var(--bg-card-hover)}tr.scale-row.expanded td{border-color:var(--accent-violet);background:var(--bg-card-hover)}td.scale-key{color:var(--accent-violet);white-space:nowrap;min-width:100px;font-weight:700}td.scale-notes{flex-wrap:wrap;gap:4px;display:flex}.scale-note-chip{border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-primary);padding:2px 8px;font-size:.8rem;font-weight:600}.scale-note-chip.minor{color:var(--accent-pink);background:#f472b626}td.scale-formula{color:var(--text-secondary);white-space:nowrap;font-size:.8rem}td.scale-relative{color:var(--accent-pink);white-space:nowrap;font-weight:600}.play-sm-btn{background:var(--bg-tertiary);width:32px;height:32px;color:var(--accent-violet);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast);font-size:.8rem;font-family:var(--font-sans);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.play-sm-btn:hover{background:var(--gradient-primary);color:#fff;border-color:#0000}.scale-detail-row td{padding:var(--space-lg);border:1px solid var(--accent-violet);border-radius:0 0 var(--radius-md)var(--radius-md);background:#190f3c66;border-top:none}.scale-detail{gap:var(--space-lg);grid-template-columns:1fr 1fr;display:grid}.detail-section h4{color:var(--text-heading);margin-bottom:var(--space-sm);font-size:.85rem}.detail-notes{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.detail-chords{gap:var(--space-xs);flex-wrap:wrap;display:flex}.detail-chord-pill{border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-subtle);padding:4px 10px;font-size:.8rem;font-weight:600}.chords-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));max-width:900px;margin:0 auto;display:grid}.chord-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-top:3px solid var(--fn-color,var(--accent-violet));border-radius:var(--radius-lg);padding:var(--space-lg);cursor:pointer;transition:all var(--transition-normal);text-align:center}.chord-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-4px)}.chord-card-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.chord-degree{font-family:var(--font-display);color:var(--fn-color,var(--accent-violet));font-size:1.5rem;font-weight:800}.chord-fn-badge{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-radius:var(--radius-full);background:#6366f11a;padding:2px 8px;font-size:.65rem;font-weight:600}.chord-card-name{font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-md);font-size:1.3rem;font-weight:700}.chord-card-notes{justify-content:center;gap:var(--space-xs);margin-bottom:var(--space-sm);flex-wrap:wrap;display:flex}.chord-note-chip{border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-primary);padding:4px 10px;font-size:.8rem;font-weight:600}.chord-play-hint{color:var(--text-muted);margin-top:var(--space-sm);opacity:0;transition:opacity var(--transition-fast);font-size:.7rem}.chord-card:hover .chord-play-hint{opacity:1}.cheat-grid{gap:var(--space-md);grid-template-columns:repeat(2,1fr);max-width:900px;margin:0 auto;display:grid}.cheat-section{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg)}.cheat-section.wide{grid-column:1/-1}.cheat-section-title{font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border-subtle);font-size:1rem}.cheat-notes-row{gap:var(--space-sm);flex-wrap:wrap;display:flex}.cheat-note{text-align:center}.cheat-note-name{background:var(--bg-tertiary);border:2px solid var(--accent-violet);width:44px;height:44px;color:var(--text-heading);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;font-size:.85rem;font-weight:700;display:flex}.cheat-note-degree{color:var(--text-muted);font-size:.65rem}.cheat-formula{margin-top:var(--space-md);color:var(--text-secondary);font-size:.85rem}.cheat-info-grid{gap:var(--space-sm);display:grid}.info-item{padding:var(--space-sm)0;border-bottom:1px solid #6366f114;justify-content:space-between;display:flex}.info-label{color:var(--text-muted);font-size:.85rem}.info-value{color:var(--text-heading);font-size:.85rem;font-weight:600}.cheat-chords-row{gap:var(--space-sm);flex-wrap:wrap;display:flex}.cheat-chord{text-align:center;min-width:80px;padding:var(--space-sm);border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--border-subtle);flex:1}.cheat-chord.fn-tonic{border-top:2px solid var(--accent-violet)}.cheat-chord.fn-subdominant{border-top:2px solid var(--accent-pink)}.cheat-chord.fn-dominant{border-top:2px solid var(--accent-emerald)}.cheat-chord-roman{color:var(--accent-violet);font-size:1rem;font-weight:700}.cheat-chord-name{color:var(--text-heading);font-size:.85rem;font-weight:600}.cheat-chord-notes{color:var(--text-muted);margin-top:2px;font-size:.7rem}.fn-groups{gap:var(--space-sm);grid-template-columns:repeat(3,1fr);display:grid}.fn-group{text-align:center;padding:var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary)}.fn-group.fn-tonic{border:1px solid #a78bfa4d}.fn-group.fn-subdominant{border:1px solid #f472b64d}.fn-group.fn-dominant{border:1px solid #34d3994d}.fn-group-title{text-transform:capitalize;color:var(--text-heading);margin-bottom:var(--space-sm);font-size:.85rem;font-weight:700}.fn-group-chords{justify-content:center;gap:var(--space-xs);flex-wrap:wrap;display:flex}.fn-chord-pill{border-radius:var(--radius-full);color:var(--accent-violet);background:#a78bfa26;padding:2px 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10px;font-size:.8rem;font-weight:600}.fb-note-btn:hover{border-color:var(--accent-violet);color:var(--text-heading)}.fb-note-btn.active{background:var(--accent-violet);color:#fff;border-color:var(--accent-violet)}.fb-note-btn.highlighted{border-color:var(--accent-violet);color:var(--accent-violet);background:#8b5cf633}.fb-note-btn-sm{padding:4px 8px;font-size:.7rem}.fb-scale-selector{flex-wrap:wrap;gap:4px;display:flex}.fb-scale-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-full);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);padding:6px 12px;font-size:.78rem;font-weight:500}.fb-scale-btn:hover{border-color:var(--accent-pink);color:var(--text-heading)}.fb-scale-btn.active{background:var(--accent-pink);color:#fff;border-color:var(--accent-pink)}.fb-toggles{gap:var(--space-sm);flex-wrap:wrap;flex-direction:row!important}.fb-toggle{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-elevated);color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);padding:6px 14px;font-size:.8rem;font-weight:500}.fb-toggle.active{border-color:var(--accent-violet);color:var(--accent-violet);background:#8b5cf626}.fretboard-wrapper{width:100%;padding:var(--space-md)0;margin-bottom:var(--space-lg);overflow-x:auto}.fretboard{border-radius:var(--radius-xl);min-width:fit-content;padding:var(--space-sm);border:1px solid var(--border-subtle);background:linear-gradient(160deg,#1a1520,#2a1f30);flex-direction:column;display:flex}.fret-markers-row,.fret-numbers-row{align-items:center;display:flex}.string-label-spacer{flex-shrink:0;width:42px}.fret-marker-cell,.fret-number{text-align:center;width:68px;color:var(--text-muted);flex-shrink:0;padding:2px 0;font-size:.7rem}.fret-marker-cell.nut,.fret-number.nut{width:46px}.fret-marker-dot{color:#ffffff40;font-size:.55rem}.fret-marker-dot.double{letter-spacing:3px}.fretboard-string-row{align-items:center;display:flex;position:relative}.fretboard-string-row:after{content:"";z-index:0;background:#c0a88c66;height:1px;position:absolute;top:50%;left:42px;right:0}.fretboard-string-row:first-of-type:after{height:1px}.fretboard-string-row:last-of-type:after{background:#c0a88c99;height:2px}.string-label{width:42px;color:var(--text-heading);text-align:center;z-index:1;flex-shrink:0;font-size:.8rem;font-weight:700}.fret-cell{z-index:1;flex-shrink:0;justify-content:center;align-items:center;width:68px;height:46px;display:flex;position:relative}.fret-cell.nut{border-right:3px solid #ffffff80;width:46px}.fret-wire{background:#c0a88c26;width:1px;position:absolute;top:0;bottom:0;right:0}.fret-cell.nut .fret-wire{display:none}.fret-note{cursor:pointer;background:var(--accent-violet);color:#fff;z-index:2;width:34px;height:34px;transition:all var(--transition-fast);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:.8rem;font-weight:700;display:flex;box-shadow:0 2px 8px #8b5cf64d}.fret-note:hover{transform:scale(1.2);box-shadow:0 3px 12px #8b5cf680}.fret-note.root{background:var(--accent-pink);box-shadow:0 2px 8px #ec489966}.fret-note.playing{transform:scale(1.3);box-shadow:0 0 20px #8b5cf6b3}.fb-scale-info{padding:var(--space-lg);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);margin-bottom:var(--space-lg);text-align:center}.fb-scale-info h3{font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-sm);font-size:1.4rem}.fb-scale-notes{margin-bottom:var(--space-sm);flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.fb-scale-note-pill{border-radius:var(--radius-full);color:var(--accent-violet);background:#8b5cf626;padding:4px 12px;font-size:.85rem;font-weight:600}.fb-scale-note-pill.root{background:var(--accent-pink);color:#fff}.fb-scale-desc{color:var(--text-muted);font-size:.9rem}.chord-display-section{text-align:center;margin-bottom:var(--space-xl)}.chord-display-header{margin-bottom:var(--space-lg)}.chord-display-name{font-family:var(--font-display);color:var(--text-heading);margin-bottom:4px;font-size:3rem;font-weight:900}.chord-display-full{color:var(--text-muted);margin-bottom:var(--space-md);font-size:1rem}.play-btn{border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent-violet),var(--accent-pink));color:#fff;cursor:pointer;transition:all var(--transition-fast);border:none;padding:10px 24px;font-size:.9rem;font-weight:600}.chord-display-notes{gap:var(--space-sm);margin-bottom:var(--space-lg);justify-content:center;display:flex}.chord-note-circle{border:2px solid var(--accent-violet);width:48px;height:48px;color:var(--accent-violet);cursor:pointer;transition:all var(--transition-fast);background:#8b5cf61a;border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.chord-note-circle:hover{background:var(--accent-violet);color:#fff;transform:scale(1.1)}.chord-diagrams-grid{gap:var(--space-lg);flex-wrap:wrap;justify-content:center;display:flex}.chord-diagram{padding:var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;transition:all 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var(--transition-fast);align-items:center;gap:6px;padding:10px 20px;font-size:.9rem;font-weight:600;display:flex}.tuner-preset-btn.active{background:var(--accent-violet);color:#fff;border-color:var(--accent-violet)}.tuner-preset-icon{font-size:1.1rem}.tuner-display{align-items:center;gap:var(--space-lg);margin-bottom:var(--space-xl);flex-direction:column;display:flex}.tuner-gauge{background:var(--bg-card);border:2px solid var(--border-subtle);border-radius:var(--radius-xl);flex-direction:column;justify-content:center;align-items:center;width:300px;height:240px;transition:border-color .3s;display:flex;position:relative;overflow:hidden}.tuner-gauge.in-tune{border-color:var(--accent-emerald);box-shadow:0 0 30px #10b98133}.tuner-needle-wrap{transform-origin:bottom;width:4px;height:80px;transition:transform .15s ease-out;position:absolute;top:30px}.tuner-needle{background:linear-gradient(180deg,var(--accent-pink),transparent);border-radius:2px;width:3px;height:70px;margin:0 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var(--transition-fast);border:none;padding:14px 32px;font-size:1rem;font-weight:700}.tuner-start-btn:hover{transform:translateY(-2px);box-shadow:0 6px 24px #8b5cf666}.tuner-start-btn.stop{background:linear-gradient(135deg,#ef4444,#dc2626)}.tuner-strings{text-align:center}.tuner-strings-title{font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-md)}.tuner-string-buttons{gap:var(--space-sm);flex-wrap:wrap;justify-content:center;display:flex}.tuner-string-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:var(--bg-card);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;align-items:center;min-width:60px;padding:12px 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.2s;display:flex}.vocal-range-row:hover,.vocal-range-row.active{background:#8b5cf60d}.vocal-range-label{flex-direction:column;flex-shrink:0;width:160px;display:flex}.vocal-range-name{color:var(--text-heading);font-size:.9rem;font-weight:700}.vocal-range-notes{color:var(--text-muted);font-size:.7rem}.vocal-range-track{border-radius:var(--radius-full);background:#ffffff08;flex:1;height:32px;position:relative}.vocal-range-bar{border-radius:var(--radius-full);opacity:.7;justify-content:space-between;align-items:center;height:100%;padding:0 4px;transition:opacity .2s;display:flex;position:absolute;top:0}.vocal-range-row:hover .vocal-range-bar,.vocal-range-row.active .vocal-range-bar{opacity:1}.vocal-range-endpoint{color:#fff;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;background:#0000004d;border:none;padding:2px 8px;font-size:.65rem;font-weight:700}.vocal-range-endpoint:hover{background:#0009;transform:scale(1.1)}.vocal-range-endpoint.playing{color:#1a1a2e;background:#fff}.vocal-cards-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid}.voice-analysis-section{align-items:center;gap:var(--space-md);padding:var(--space-xl);background:var(--surface-2);border-radius:var(--radius-xl);margin-bottom:var(--space-xl);margin-top:var(--space-xl);text-align:center;border:1px solid var(--border-subtle);flex-direction:column;display:flex;position:relative;overflow:hidden}.voice-record-btn{align-items:center;gap:var(--space-sm);padding:var(--space-md)var(--space-xl);background:var(--accent-violet);color:#fff;cursor:pointer;z-index:2;border:none;border-radius:100px;font-size:1rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 12px #8b5cf64d}.voice-record-btn:not(:disabled):hover{background:var(--accent-violet-hover);transform:translateY(-2px);box-shadow:0 6px 16px #8b5cf666}.voice-record-btn:disabled{opacity:.7;cursor:not-allowed}.voice-record-btn.recording{background:var(--accent-red);animation:1.5s infinite pulse-red;box-shadow:0 0 12px #ef444466}@keyframes pulse-red{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}.voice-status{color:var(--text-secondary);min-height:1.5em;font-size:.9rem;font-weight:500}.voice-visualizer{justify-content:center;align-items:center;width:100%;min-height:0;display:flex}.freq-dot{background:var(--accent-violet);border-radius:50%;width:20px;height:20px;transition:transform .1s}.voice-result-card{background:var(--bg-card);border:1px solid var(--accent-violet);border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-md);width:100%;max-width:500px;animation:.4s ease-out fadeInUp;box-shadow:0 10px 30px -10px #8b5cf626}.voice-result-title{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:var(--space-xs);font-size:.75rem;font-weight:600}.voice-type-highlight{color:var(--accent-violet);margin-bottom:var(--space-xs);background:linear-gradient(135deg,var(--accent-violet),#c4b5fd);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:800}.voice-range-highlight{color:var(--text-primary);margin-bottom:var(--space-sm);font-size:1.1rem;font-weight:600}.voice-note-display{color:var(--accent-violet);font-family:var(--font-mono);background:#8b5cf61a;border-radius:4px;padding:2px 8px;display:inline-block}.voice-desc{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.vocal-card{padding:var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-fast);border-left:3px solid}.vocal-card:hover,.vocal-card.active{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.vocal-card-dot{width:10px;height:10px;margin-bottom:var(--space-xs);border-radius:50%}.vocal-card-title{font-family:var(--font-display);color:var(--text-heading);margin-bottom:4px;font-size:1rem}.vocal-card-desc{color:var(--text-muted);margin-bottom:var(--space-sm);font-size:.8rem}.vocal-card-range{align-items:center;gap:var(--space-xs);display:flex}.vocal-card-note{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-elevated);color:var(--text-heading);cursor:pointer;transition:all var(--transition-fast);padding:4px 10px;font-size:.8rem;font-weight:700}.vocal-card-note:hover{background:var(--accent-violet);color:#fff;border-color:var(--accent-violet)}.vocal-card-dash{color:var(--text-muted)}@media (max-width:768px){.fret-cell{width:38px;height:32px}.fret-cell.nut{width:32px}.fret-marker-cell,.fret-number{width:38px}.fret-marker-cell.nut,.fret-number.nut{width:32px}.fret-note{width:24px;height:24px;font-size:.55rem}.string-label,.string-label-spacer{width:28px;font-size:.7rem}.vocal-range-label{width:100px}.vocal-range-name{font-size:.78rem}.tuner-gauge{width:260px;height:220px}}.section-heading{font-family:var(--font-display);color:var(--text-heading);text-align:center;margin:var(--space-2xl)0 var(--space-lg);font-size:1.5rem;font-weight:700}.section-description{color:var(--text-secondary);text-align:center;max-width:600px;margin:0 auto var(--space-lg);font-size:.9rem}.ref-info-section{gap:var(--space-md);margin-top:var(--space-2xl);padding-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid}.ref-info-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg)}.ref-info-card h3{margin-bottom:var(--space-sm);color:var(--text-heading);font-size:1rem}.ref-info-card p{color:var(--text-secondary);font-size:.875rem;line-height:1.6}.play-btn{align-items:center;gap:var(--space-sm);padding:var(--space-sm)var(--space-xl);border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;box-shadow:var(--glow-indigo);transition:all var(--transition-normal);cursor:pointer;border:none;font-size:.95rem;font-weight:600;display:inline-flex}.play-btn:hover{transform:translateY(-2px);box-shadow:0 0 30px #6366f180}.play-btn.playing{background:linear-gradient(135deg,var(--accent-emerald),var(--accent-cyan));box-shadow:0 0 20px #34d39966}.play-icon{font-size:1rem}.freq-table-wrapper{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-lg);margin-bottom:var(--space-2xl);overflow-x:auto}.freq-table{border-collapse:collapse;width:100%;font-size:.82rem}.freq-th-note,.freq-th-oct{padding:var(--space-sm)var(--space-md);background:var(--bg-tertiary);color:var(--text-heading);text-align:center;z-index:2;border-bottom:2px solid var(--border-active);font-weight:700;position:sticky;top:0}.freq-th-note{z-index:3;min-width:50px;position:sticky;left:0}.freq-note-cell{padding:var(--space-sm)var(--space-md);background:var(--bg-tertiary);color:var(--accent-violet);text-align:center;z-index:1;transition:background var(--transition-fast);font-weight:700;position:sticky;left:0}.freq-note-cell.highlighted{background:#a78bfa26}.freq-cell{padding:var(--space-sm)var(--space-md);text-align:center;background:var(--bg-card);cursor:pointer;transition:all var(--transition-fast);border-bottom:1px solid #6366f114}.freq-cell:hover{background:#a78bfa1f;transform:scale(1.02)}.freq-cell.playing{background:#6366f140;box-shadow:inset 0 0 12px #6366f14d}.freq-cell.reference{border:2px solid var(--accent-amber);background:#fbbf2414}.freq-cell.out-of-range{opacity:.3;cursor:default}.freq-value{color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:500}.freq-hz{color:var(--text-muted);margin-left:2px;font-size:.7rem}.freq-info-section{gap:var(--space-md);margin-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid}.freq-info-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg)}.freq-info-card h3{margin-bottom:var(--space-sm);font-size:1rem}.freq-info-card p{color:var(--text-secondary);font-size:.875rem;line-height:1.6}.chromatic-grid{gap:var(--space-xs);padding:var(--space-md)0 var(--space-xl);flex-wrap:wrap;justify-content:center;display:flex;overflow-x:auto}.chromatic-note-card{padding:var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;min-width:80px;transition:all var(--transition-fast);flex-direction:column;align-items:center;display:flex;position:relative}.chromatic-note-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-4px)}.chromatic-note-card.playing{box-shadow:var(--glow-indigo);background:#6366f133}.chromatic-note-card.root{border-color:var(--accent-violet);background:#a78bfa1a}.chromatic-note-name{color:var(--text-heading);font-size:1.3rem;font-weight:700}.chromatic-semitone{color:var(--accent-violet);margin-top:var(--space-xs);font-size:.75rem;font-weight:600}.chromatic-interval{color:var(--text-muted);text-align:center;margin-top:var(--space-xs);font-size:.65rem}.chromatic-step-bridge{color:var(--accent-pink);background:var(--bg-secondary);z-index:1;border-radius:4px;padding:2px 4px;font-size:.6rem;font-weight:700;position:absolute;top:50%;right:-14px;transform:translateY(-50%)}.alphabet-natural-row{justify-content:center;align-items:center;gap:var(--space-lg);padding:var(--space-xl)0;flex-wrap:wrap;display:flex}.alphabet-note-group{flex-direction:column;align-items:center;display:flex;position:relative}.alphabet-note-circle{background:var(--bg-card);border:2px solid var(--border-subtle);width:72px;height:72px;font-size:1.5rem;font-weight:800;font-family:var(--font-display);color:var(--text-heading);cursor:pointer;transition:all var(--transition-normal);border-radius:50%;justify-content:center;align-items:center;display:flex}.alphabet-note-circle:hover{border-color:var(--accent-violet);box-shadow:var(--glow-violet);transform:scale(1.1)}.alphabet-note-circle.playing{background:var(--gradient-primary);color:#fff;border-color:#0000;box-shadow:0 0 30px #6366f180}.alphabet-solfege{color:var(--text-muted);margin-top:var(--space-xs);font-size:.75rem;font-weight:500}.alphabet-step-badge{border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.7rem;font-weight:700;display:flex;position:absolute;top:25px;right:-28px}.alphabet-step-badge.whole{color:var(--accent-indigo);background:#6366f126;border:1px solid #6366f14d}.alphabet-step-badge.half{color:var(--accent-pink);background:#f472b626;border:1px solid #f472b64d}.alphabet-description{text-align:center;color:var(--text-secondary);max-width:600px;margin:0 auto var(--space-2xl);font-size:.9rem}.alphabet-chromatic-row{gap:var(--space-sm);padding-bottom:var(--space-xl);flex-wrap:wrap;justify-content:center;display:flex}.alphabet-pitch-card{padding:var(--space-md);border-radius:var(--radius-md);border:1px solid var(--border-subtle);cursor:pointer;min-width:68px;transition:all var(--transition-fast);flex-direction:column;align-items:center;display:flex}.alphabet-pitch-card.natural{background:var(--bg-card)}.alphabet-pitch-card.accidental{background:#a78bfa14;border-color:#a78bfa33}.alphabet-pitch-card:hover{box-shadow:var(--glow-violet);border-color:var(--border-active);transform:translateY(-3px)}.alphabet-pitch-card.playing{background:var(--gradient-primary);border-color:#0000}.alphabet-pitch-name{color:var(--text-heading);font-size:1.1rem;font-weight:700}.alphabet-pitch-card.playing .alphabet-pitch-name{color:#fff}.alphabet-enharmonic{color:var(--text-muted);margin-top:2px;font-size:.7rem}.solfege-grid{justify-content:center;gap:var(--space-md);padding-bottom:var(--space-xl);flex-wrap:wrap;display:flex}.solfege-card{padding:var(--space-lg)var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;min-width:100px;transition:all var(--transition-normal);flex-direction:column;align-items:center;display:flex}.solfege-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-4px)}.solfege-card.playing{border-color:var(--accent-indigo);background:#6366f133}.solfege-syllable{font-size:1.8rem;font-weight:800;font-family:var(--font-display);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.solfege-degree{color:var(--text-muted);margin:var(--space-xs)0;font-size:.75rem}.solfege-note{color:var(--text-heading);background:var(--bg-tertiary);border-radius:var(--radius-full);padding:2px 12px;font-size:1rem;font-weight:600}.solfege-chromatic-grid{gap:var(--space-sm);padding-bottom:var(--space-xl);flex-wrap:wrap;justify-content:center;display:flex}.solfege-chromatic-card{padding:var(--space-sm)var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);flex-direction:column;align-items:center;min-width:60px;display:flex}.solfege-chromatic-note{color:var(--text-muted);font-size:.75rem;font-weight:600}.solfege-chromatic-syllable{color:var(--text-heading);font-size:1rem;font-weight:700}.solfege-chromatic-alt{color:var(--accent-pink);font-size:.65rem}.degrees-display{gap:var(--space-md);padding-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.degree-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal)}.degree-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-2px)}.degree-card-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.degree-number{background:var(--gradient-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.9rem;font-weight:700;display:flex}.degree-roman{font-family:var(--font-display);color:var(--accent-violet);font-size:1.1rem;font-weight:700}.degree-card-note{font-size:2rem;font-weight:800;font-family:var(--font-display);color:var(--text-heading);margin-bottom:var(--space-xs)}.degree-card-name{color:var(--accent-emerald);margin-bottom:var(--space-sm);font-size:.85rem;font-weight:600}.degree-card-role{color:var(--text-secondary);margin-bottom:var(--space-sm);font-size:.8rem;line-height:1.5}.degree-card-movement{color:var(--text-muted);padding-top:var(--space-sm);border-top:1px solid var(--border-subtle);font-size:.75rem}.movement-label{color:var(--accent-pink);font-weight:600}.keysig-orders{gap:var(--space-lg);margin-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.keysig-order-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center}.keysig-order-card h3{margin-bottom:var(--space-md);color:var(--text-heading);font-size:1.2rem}.keysig-order-notes{gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap;justify-content:center;display:flex}.keysig-order-note{padding:var(--space-xs)var(--space-md);border-radius:var(--radius-full);font-size:.9rem;font-weight:700}.keysig-order-note.sharp{color:var(--accent-indigo);background:#6366f126;border:1px solid #6366f14d}.keysig-order-note.flat{color:var(--accent-pink);background:#f472b626;border:1px solid #f472b64d}.keysig-mnemonic{color:var(--text-secondary);font-size:.85rem;font-style:italic}.keysig-grid{gap:var(--space-md);padding-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fill,minmax(160px,1fr));display:grid}.keysig-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;cursor:pointer;transition:all var(--transition-normal)}.keysig-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-2px)}.keysig-card.active{border-color:var(--accent-violet);box-shadow:var(--glow-violet)}.keysig-card-key{font-size:2rem;font-weight:800;font-family:var(--font-display);color:var(--text-heading)}.keysig-card-mode{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-size:.7rem}.keysig-card-count{margin:var(--space-xs)0;font-size:1rem;font-weight:600}.sharp-key .keysig-card-count{color:var(--accent-indigo)}.flat-key .keysig-card-count{color:var(--accent-pink)}.natural-key .keysig-card-count{color:var(--accent-emerald)}.keysig-card-relative{color:var(--text-secondary);font-size:.8rem}.keysig-detail{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-subtle);text-align:left}.keysig-detail-row{margin-bottom:var(--space-xs);justify-content:space-between;font-size:.8rem;display:flex}.keysig-detail-label{color:var(--text-muted)}.keysig-detail-value{color:var(--text-primary);font-weight:600}.sharps-flats-layout{gap:var(--space-xl);padding-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fit,minmax(340px,1fr));display:grid}.sf-section{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-xl)}.sf-section-title{font-family:var(--font-display);text-align:center;margin-bottom:var(--space-lg);font-size:1.4rem}.sf-section-title.sharp{color:var(--accent-indigo)}.sf-section-title.flat{color:var(--accent-pink)}.sf-mnemonic-main{text-align:center;color:var(--text-secondary);margin-bottom:var(--space-lg);font-size:.95rem;line-height:1.6}.sf-mnemonic-main strong{color:var(--text-heading);font-size:1.1rem}.sf-notes-display{justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-xl);flex-wrap:wrap;display:flex}.sf-note-item{flex-direction:column;align-items:center;gap:4px;display:flex}.sf-note-number{background:var(--bg-tertiary);width:24px;height:24px;color:var(--text-muted);border-radius:50%;justify-content:center;align-items:center;font-size:.7rem;font-weight:600;display:flex}.sf-note-name{padding:var(--space-xs)var(--space-md);border-radius:var(--radius-full);font-size:1.2rem;font-weight:700}.sf-note-name.sharp{color:var(--accent-indigo);background:#6366f11f}.sf-note-name.flat{color:var(--accent-pink);background:#f472b61f}.sf-sub-heading{color:var(--text-heading);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border-subtle);font-size:1rem}.sf-keys-list{gap:var(--space-xs);flex-direction:column;display:flex}.sf-key-row{padding:var(--space-sm)var(--space-md);border-radius:var(--radius-md);align-items:center;gap:var(--space-md);background:#ffffff05;font-size:.85rem;display:flex}.sf-key-row:hover{background:#a78bfa0f}.sf-key-name{color:var(--text-heading);min-width:80px;font-weight:600}.sf-key-count{color:var(--accent-violet);text-align:center;min-width:30px;font-weight:700}.sf-key-notes{color:var(--text-secondary);font-family:monospace;font-size:.8rem}.intervals-chart-grid{gap:var(--space-md);padding-bottom:var(--space-2xl);grid-template-columns:repeat(auto-fill,minmax(220px,1fr));display:grid}.interval-chart-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal)}.interval-chart-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-2px)}.interval-chart-card.playing{border-color:var(--accent-emerald);box-shadow:0 0 20px #34d3994d}.interval-chart-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.interval-chart-short{font-size:1.4rem;font-weight:800;font-family:var(--font-display);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.interval-chart-st{color:var(--accent-violet);border-radius:var(--radius-full);background:#a78bfa1f;padding:2px 8px;font-size:.75rem;font-weight:600}.interval-chart-name{color:var(--text-heading);margin-bottom:2px;font-size:.95rem;font-weight:600}.interval-chart-quality{color:var(--text-muted);margin-bottom:var(--space-sm);font-size:.75rem}.interval-chart-notes{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);font-size:1.1rem;font-weight:700;display:flex}.interval-chart-from{color:var(--accent-indigo);border-radius:var(--radius-md);background:#6366f11f;padding:2px 10px}.interval-chart-arrow{color:var(--text-muted)}.interval-chart-to{color:var(--accent-pink);border-radius:var(--radius-md);background:#f472b61f;padding:2px 10px}.interval-chart-actions{gap:var(--space-sm);display:flex}.interval-play-btn{padding:var(--space-xs)var(--space-sm);border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast);flex:1;font-size:.75rem;font-weight:500}.interval-play-btn:hover{color:var(--text-primary);border-color:var(--border-active);background:#6366f126}.interval-play-btn.harmonic:hover{background:#f472b626}.enharmonic-piano-wrapper{padding:var(--space-xl)0;justify-content:center;display:flex;overflow-x:auto}.enharmonic-piano{gap:4px;display:flex}.enharmonic-key{padding:var(--space-md)var(--space-sm);border-radius:var(--radius-md);min-width:60px;transition:all var(--transition-fast);flex-direction:column;justify-content:flex-end;align-items:center;display:flex}.enharmonic-key.white{background:#ffffffe6;height:120px}.enharmonic-key.black{background:var(--bg-tertiary);border:1px solid var(--border-subtle);height:100px}.enharmonic-key-label{flex-direction:column;align-items:center;font-size:.85rem;font-weight:700;display:flex}.enharmonic-key.white .enharmonic-key-label{color:#1a1a3a}.enharmonic-key.black .enharmonic-key-label{color:var(--text-primary)}.enharmonic-alt{opacity:.7;font-size:.65rem;font-weight:500}.enharmonic-pairs-grid{gap:var(--space-md);margin-bottom:var(--space-xl);grid-template-columns:repeat(auto-fill,minmax(200px,1fr));display:grid}.enharmonic-pair-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;transition:all var(--transition-normal)}.enharmonic-pair-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet);transform:translateY(-2px)}.enharmonic-pair-card.theoretical{opacity:.8;border-style:dashed}.enharmonic-pair-notes{justify-content:center;align-items:center;gap:var(--space-md);margin-bottom:var(--space-sm);display:flex}.enharmonic-sharp{color:var(--accent-indigo);font-size:1.4rem;font-weight:800}.enharmonic-equals{color:var(--text-muted);font-size:1.2rem}.enharmonic-flat{color:var(--accent-pink);font-size:1.4rem;font-weight:800}.enharmonic-pair-desc{color:var(--text-secondary);font-size:.8rem}.bpm-display-wrapper{align-items:center;gap:var(--space-lg);padding:var(--space-xl)0;flex-direction:column;display:flex}.bpm-display{padding:var(--space-2xl);background:var(--bg-card);border:2px solid var(--border-subtle);width:220px;height:220px;transition:all var(--transition-normal);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;display:flex;box-shadow:0 0 40px #6366f126}.bpm-number{font-size:4rem;font-weight:900;font-family:var(--font-display);color:var(--bpm-color,var(--accent-violet));line-height:1}.bpm-label{color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.9rem;font-weight:600}.bpm-tempo-marking{color:var(--text-secondary);margin-top:var(--space-xs);font-size:.85rem;font-style:italic}.bpm-tap-btn{background:var(--gradient-primary);color:#fff;justify-content:center;align-items:center;gap:var(--space-xs);cursor:pointer;width:140px;height:140px;box-shadow:var(--glow-indigo);transition:all var(--transition-normal);-webkit-user-select:none;user-select:none;border:none;border-radius:50%;flex-direction:column;display:flex}.bpm-tap-btn:hover{transform:scale(1.05);box-shadow:0 0 40px #6366f180}.bpm-tap-btn:active,.bpm-tap-btn.active{background:linear-gradient(135deg,var(--accent-emerald),var(--accent-cyan));transform:scale(.95)}.bpm-tap-icon{font-size:2rem}.bpm-tap-text{letter-spacing:.15em;font-size:1.2rem;font-weight:800}.bpm-tap-hint{opacity:.7;font-size:.65rem}.bpm-tap-count{color:var(--text-muted);height:20px;font-size:.85rem}.bpm-info-grid{justify-content:center;gap:var(--space-md);margin-top:var(--space-lg);flex-wrap:wrap;display:flex}.bpm-info-item{padding:var(--space-md)var(--space-lg);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-direction:column;align-items:center;min-width:120px;display:flex}.bpm-info-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:600}.bpm-info-value{color:var(--text-heading);font-size:1.4rem;font-weight:700;font-family:var(--font-display)}.bpm-ms-input-section{align-items:center;gap:var(--space-lg);margin-bottom:var(--space-2xl);flex-direction:column;display:flex}.bpm-ms-input-group{align-items:center;gap:var(--space-sm);flex-direction:column;display:flex}.bpm-ms-input-row{align-items:center;gap:var(--space-sm);display:flex}.bpm-ms-adj-btn{background:var(--bg-card);border:1px solid var(--border-subtle);width:44px;height:44px;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.bpm-ms-adj-btn:hover{border-color:var(--border-active);box-shadow:var(--glow-violet)}.bpm-ms-input{text-align:center;width:120px;height:64px;font-size:2rem;font-weight:800;font-family:var(--font-display);background:var(--bg-card);border:2px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-heading);appearance:textfield}.bpm-ms-input::-webkit-outer-spin-button{appearance:none}.bpm-ms-input::-webkit-inner-spin-button{appearance:none}.bpm-ms-input:focus{border-color:var(--accent-violet);box-shadow:var(--glow-violet);outline:none}.bpm-ms-presets{gap:var(--space-xs);flex-wrap:wrap;justify-content:center;display:flex}.bpm-ms-preset{padding:var(--space-xs)var(--space-md);border-radius:var(--radius-full);background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-size:.8rem;font-weight:600}.bpm-ms-preset:hover{border-color:var(--border-active);color:var(--text-primary)}.bpm-ms-preset.active{background:var(--gradient-primary);color:#fff;border-color:#0000}.bpm-ms-results-grid{gap:var(--space-md);padding-bottom:var(--space-xl);grid-template-columns:repeat(auto-fill,minmax(180px,1fr));display:grid}.bpm-ms-result-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;transition:all var(--transition-normal)}.bpm-ms-result-card:hover{border-color:var(--border-active);box-shadow:var(--glow-violet)}.bpm-ms-result-card.highlight{border-color:var(--accent-violet);background:#a78bfa14}.bpm-ms-result-header{margin-bottom:var(--space-sm);flex-direction:column;align-items:center;display:flex}.bpm-ms-symbol{font-size:1.5rem}.bpm-ms-note-name{color:var(--text-muted);font-size:.75rem;font-weight:600}.bpm-ms-result-ms{color:var(--text-heading);font-size:1.3rem;font-weight:700;font-family:var(--font-display)}.bpm-ms-result-ms span,.bpm-ms-result-sec span,.bpm-ms-result-freq span{color:var(--text-muted);font-size:.7rem;font-weight:500}.bpm-ms-result-sec{color:var(--text-secondary);margin-top:2px;font-size:.85rem}.bpm-ms-result-freq{color:var(--accent-violet);margin-top:2px;font-size:.8rem}.transposer-layout{gap:var(--space-xl);max-width:700px;padding-bottom:var(--space-2xl);flex-direction:column;margin:0 auto;display:flex}.transposer-section{gap:var(--space-sm);flex-direction:column;display:flex}.transposer-input{width:100%;padding:var(--space-lg);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-primary);resize:vertical;transition:border-color var(--transition-fast);font-family:monospace;font-size:1.1rem}.transposer-input:focus{border-color:var(--accent-violet);box-shadow:var(--glow-violet);outline:none}.transposer-input::placeholder{color:var(--text-muted)}.transposer-controls{align-items:center;gap:var(--space-lg);flex-direction:column;display:flex}.transposer-semitone-selector{gap:var(--space-sm);grid-template-columns:repeat(6,1fr);width:100%;display:grid}.transposer-st-btn{padding:var(--space-sm);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;align-items:center;display:flex}.transposer-st-btn:hover{border-color:var(--border-active);box-shadow:var(--glow-violet)}.transposer-st-btn.active{background:var(--gradient-primary);color:#fff;border-color:#0000}.transposer-st-num{color:var(--text-heading);font-size:1.1rem;font-weight:700}.transposer-st-btn.active .transposer-st-num{color:#fff}.transposer-st-label{color:var(--text-muted);text-transform:uppercase;font-size:.6rem}.transposer-st-btn.active .transposer-st-label{color:#fffc}.transposer-output{width:100%;padding:var(--space-lg);border:2px solid var(--accent-indigo);border-radius:var(--radius-lg);color:var(--accent-violet);word-spacing:8px;background:#6366f10f;align-items:center;min-height:80px;font-family:monospace;font-size:1.3rem;font-weight:700;line-height:2;display:flex}.transposer-examples{gap:var(--space-sm);flex-direction:column;align-items:center;display:flex}.transposer-example-btns{gap:var(--space-sm);flex-wrap:wrap;justify-content:center;display:flex}@media (max-width:768px){.alphabet-natural-row{gap:var(--space-md)}.alphabet-note-circle{width:56px;height:56px;font-size:1.2rem}.alphabet-step-badge{display:none}.solfege-card{min-width:80px;padding:var(--space-md)var(--space-sm)}.solfege-syllable{font-size:1.3rem}.bpm-display{width:180px;height:180px}.bpm-number{font-size:3rem}.bpm-tap-btn{width:120px;height:120px}.transposer-semitone-selector{grid-template-columns:repeat(4,1fr)}.intervals-chart-grid{grid-template-columns:1fr}.keysig-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.chromatic-step-bridge{display:none}}.piano-key.white-key{position:relative}.piano-key.highlighted:before{content:"";background-color:var(--accent-violet);width:12px;height:12px;box-shadow:0 0 8px var(--glow-violet);z-index:10;pointer-events:none;border-radius:50%;position:absolute;bottom:40px;left:50%;transform:translate(-50%)}.piano-key.black-key.highlighted:before{background-color:var(--accent-pink);box-shadow:0 0 8px var(--glow-pink);bottom:25px}.video-bg-wrapper{z-index:-100;pointer-events:none;background-color:#000;width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.video-bg{object-fit:contain;opacity:.15;filter:blur(1.8px)contrast(9);width:100%;height:100%;transform:scale(1.2)}