:root{--color-bg-primary:#faf6ed;--color-bg-secondary:#ebe4d5;--color-text-main:#2c2c2c;--color-primary:#8c1c1c;--color-secondary:#1f3c6d;--color-gold:#cba135;--color-warning:#d9a01c;--color-danger:#8c1c1c;--color-success:#356d40;--font-heading:"Neocat", sans-serif;--font-body:"Neocat", sans-serif;--max-width:800px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 3px #0000001a;--shadow-md:0 4px 6px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--color-bg-primary);color:var(--color-text-main);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-secondary);margin-bottom:1rem;font-weight:700}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font-body);cursor:pointer;border:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 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h1{margin-bottom:.5rem;font-size:2.5rem}.canto-meta-info{flex-wrap:wrap;gap:.5rem;display:flex}.canto-controls{flex-direction:column;gap:1rem;min-width:250px;display:flex}.control-group{flex-direction:column;align-items:center;display:flex}.control-label{color:#666;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-size:.875rem}.transposition-controls{background-color:var(--color-bg-primary);border-radius:var(--radius-full);align-items:center;gap:1rem;padding:.5rem;display:flex}.transposition-value{text-align:center;min-width:2rem;font-size:1.25rem;font-weight:700}.auto-adjust-btn{justify-content:center;align-items:center;gap:.5rem;display:flex}.audio-player{padding:1rem}.player-controls{align-items:center;gap:1rem;display:flex}.play-btn{background-color:var(--color-gold);color:#fff;border:none}.play-btn:hover{background-color:#b88d29}.player-timeline{background-color:#e2e8f0;border-radius:3px;flex:1;height:6px;position:relative;overflow:hidden}.timeline-progress{background-color:var(--color-primary);height:100%;position:absolute;top:0;left:0}.cifra-container{background-color:#fff;min-height:50vh;padding:2rem}.cifra-sheet{font-family:Arial,Helvetica,sans-serif;font-size:1.1rem;line-height:1.8}.cifra-line{border-radius:var(--radius-sm);align-items:flex-end;min-height:2.5rem;margin-bottom:.5rem;padding:.25rem 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