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#d4d4d8;border-top:none;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;padding-bottom:12px;display:flex}.white-key:hover{background:#f0fdf4}.black-key{z-index:2;background:#27272a;border:1px solid #18181b;flex-direction:column;justify-content:flex-end;align-items:center;height:60%;padding-bottom:8px;display:flex;box-shadow:1px 2px 6px #0000004d}.black-key:hover{background:#3f3f46}.key-highlighted{background:var(--color-primary)!important;border-color:var(--color-primary-dark)!important}.white-key.key-highlighted{background:var(--color-primary-light)!important;border-color:var(--color-primary)!important}.key-root{background:var(--color-primary-dark)!important;border-color:var(--color-primary-dark)!important;box-shadow:0 0 6px #0f766e59!important}.white-key.key-root{background:var(--color-primary-dark)!important;border-color:var(--color-primary-dark)!important;box-shadow:0 0 6px 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#d4a574;width:100%;max-width:500px;position:relative;overflow:hidden}.fretboard-string{background:#c4a882;height:1px;position:absolute;left:0;right:0;transform:translateY(-50%)}.fretboard-fret{background:#c4a882;width:2px;position:absolute;top:0;bottom:0}.fretboard-nut{background:#fafafa;border-right:1px solid #d4d4d8;width:5px}.fret-marker{color:#a08060;font-size:.6rem;font-weight:600;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.chord-dot{color:var(--color-primary-dark);z-index:3;text-shadow:0 0 4px #fffc;pointer-events:none;font-size:1.1rem;position:absolute;transform:translate(-50%,-50%)}.chord-dot-root{z-index:4;color:#0f766e!important;text-shadow:0 0 6px #0f766e80!important;font-size:1.4rem!important}.chord-note-label{color:var(--color-primary);z-index:4;pointer-events:none;background:#fffc;border-radius:2px;padding:1px 3px;font-size:.55rem;font-weight:700;position:absolute;transform:translate(-50%,-140%)}@media (width<=768px){.app-main{padding:var(--space-md);grid-template-columns:1fr}.control-panel{max-height:none;position:static;overflow:visible}.control-params{flex:auto}.control-params-inner{gap:var(--space-md)}.control-actions{flex-direction:column}.control-group{flex:1;min-width:140px}.action-buttons{flex-direction:row}.progression-chords{flex-direction:column;align-items:stretch}.chord-arrow{display:none}.fretboard-neck{max-width:100%}}.rhythm-preview{background:var(--color-bg);border-radius:4px;height:20px;margin-top:8px;position:relative;overflow:hidden}.rhythm-dot{background:var(--color-primary);opacity:.6;border-radius:2px;min-width:3px;position:absolute;bottom:0}