*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f5f5f5;color:#333;line-height:1.6}.container{max-width:1400px;margin:0 auto;padding:20px}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:30px;border-radius:8px;margin-bottom:20px}header h1{font-size:2rem;margin-bottom:10px}.stats{display:flex;gap:30px;margin-top:15px;font-size:.9rem;opacity:.9}.controls{background:#fff;padding:20px;border-radius:8px;margin-bottom:20px;box-shadow:0 2px 4px #0000001a}.control-row{display:flex;gap:15px;flex-wrap:wrap;align-items:center}.control-group{display:flex;flex-direction:column;gap:5px}.control-group label{font-size:.85rem;font-weight:600;color:#666}.control-group input,.control-group select{padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:.9rem}.control-group input{min-width:200px}.checkbox-group{flex-direction:row;align-items:center;gap:8px;align-self:flex-end}.checkbox-group label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.9rem}.checkbox-group input[type=checkbox]{width:18px;height:18px;cursor:pointer}.song-table{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000001a}.song-table table{width:100%;border-collapse:collapse}.song-table th{background:#f8f9fa;padding:12px;text-align:left;font-weight:600;font-size:.9rem;color:#666;border-bottom:2px solid #e9ecef}.song-table td{padding:12px;border-bottom:1px solid #e9ecef}.song-table tr:hover{background:#f8f9fa}.song-table tr.expanded{background:#f0f4ff}.song-id{font-weight:600;color:#667eea}.genre-badge{display:inline-block;padding:4px 8px;background:#e9ecef;border-radius:4px;font-size:.8rem}.chain-badge{display:inline-block;padding:4px 8px;background:#667eea;color:#fff;border-radius:4px;font-size:.85rem;font-weight:600}.chord-sequence{padding:15px;background:#f8f9fa;border-radius:4px;font-family:Courier New,monospace;font-size:.9rem;line-height:1.8}.expanded-content{display:flex;gap:20px;padding:10px}.expanded-chords{flex:1;min-width:0}.expanded-player{flex-shrink:0;width:300px}.expanded-player iframe{border-radius:8px}.spotify-available{color:#1db954;font-weight:600;font-size:1.1rem}.spotify-unavailable{color:#999}.chord{display:inline-block;padding:2px 6px;margin:2px;background:#fff;border-radius:3px;border:1px solid #ddd}.chord.in-chain{background:#667eea;color:#fff;border-color:#667eea;font-weight:600}.chord.chain-0{background:#667eea;border-color:#667eea}.chord.chain-1{background:#f093fb;border-color:#f093fb}.chord.chain-2{background:#4facfe;border-color:#4facfe}.chord.chain-3{background:#43e97b;border-color:#43e97b}.chord.chain-4{background:#fa709a;border-color:#fa709a}.expand-btn{background:none;border:none;cursor:pointer;font-size:1.2rem;color:#667eea;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.expand-btn:hover{color:#764ba2}.loading{text-align:center;padding:40px;font-size:1.2rem;color:#666}.empty-state{text-align:center;padding:40px;color:#999}.pagination{display:flex;justify-content:center;gap:10px;padding:20px}.pagination button{padding:8px 16px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer}.pagination button:hover:not(:disabled){background:#f0f4ff;border-color:#667eea}.pagination button:disabled{opacity:.5;cursor:not-allowed}.pagination button.active{background:#667eea;color:#fff;border-color:#667eea}@media(max-width:900px){.expanded-content{flex-direction:column}.expanded-player{width:100%}}.page-nav{display:flex;gap:4px;margin-bottom:20px;background:#fff;padding:4px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.page-nav button{flex:1;padding:10px 20px;border:none;background:transparent;border-radius:6px;cursor:pointer;font-size:.95rem;font-weight:500;color:#666;transition:all .2s}.page-nav button:hover{background:#f0f4ff;color:#667eea}.page-nav button.active{background:#667eea;color:#fff}.about{background:#fff;border-radius:8px;padding:30px;box-shadow:0 2px 4px #0000001a}.about section{margin-bottom:30px}.about section:last-child{margin-bottom:0}.about h2{font-size:1.4rem;color:#667eea;margin-bottom:12px}.about p{margin-bottom:12px;color:#444}.about ul{margin:12px 0;padding-left:24px}.about li{margin-bottom:8px;color:#444}.about a{color:#667eea;text-decoration:none}.about a:hover{text-decoration:underline}.about blockquote{background:#f8f9fa;border-left:4px solid #667eea;padding:16px 20px;margin:16px 0;font-style:italic;color:#555;border-radius:0 4px 4px 0}.about .citation{background:#f8f9fa;border:1px solid #e9ecef;border-radius:4px;padding:16px;font-family:Courier New,monospace;font-size:.85rem;overflow-x:auto;white-space:pre-wrap;color:#333}.about strong{color:#333}