*{margin:0;padding:0;box-sizing:border-box;font-family:sans-serif}.content-wrapper{padding:5px 10px 15px 10px;border-radius:20px}.content-wrapper header{display:flex;color:#B2B2B2;align-items:center;justify-content:space-between;padding:15px}.columnbox{display:grid;grid-template-columns:1fr 4fr 1fr;align-items:center;padding:15px 20px;background-color:#252424;border-radius:20px;width:100%}.col-left{display:flex;flex-direction:column}.piano-header{display:flex;align-items:center;gap:10px}.piano-title h2{margin:0;font-size:21px;font-weight:700;color:#555;font-style:italic;font-family:fantasy}.piano-title .version{font-size:18px;color:#555;margin-left:6px;font-family:cursive}.piano-speaker img{margin-top:5px;max-width:150px}.col-center{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:15px}.equalizer-notes-row{display:flex;flex-direction:row;gap:5px;align-items:center;justify-content:center;width:100%;max-width:100%}.note-display-wrapper{background:#1e1e1e;border-radius:12px;padding:10px 15px;min-height:100px;box-shadow:inset 0 0 6px rgb(0 0 0 / .6);border:1px solid #444;display:flex;align-items:center;justify-content:flex-start;flex-grow:1;width:90%;min-height:125px;max-width:100%;overflow-x:hidden}.equalizer-wrapper{background:#1e1e1e;border-radius:12px;padding:10px 15px;box-shadow:inset 0 0 6px rgb(0 0 0 / .6);border:1px solid #444;display:flex;align-items:center;justify-content:center;width:220px;min-height:100px}.note-display{width:100%;height:100px;overflow-x:hidden;overflow-y:auto;white-space:normal;padding:8px 12px;background:#121212;border-radius:8px;color:#eee;font-family:monospace,monospace;font-size:16px;user-select:text;box-sizing:border-box}#played-notes{display:flex;flex-wrap:wrap;align-items:flex-start;overflow-x:hidden;overflow-y:auto;background:#121212;border-radius:8px;padding:8px 12px;height:100px;color:#eee;font-family:monospace;font-size:16px;box-sizing:border-box;gap:6px 8px;line-height:1}#played-notes::-webkit-scrollbar{width:10px}#played-notes::-webkit-scrollbar-track{background:#1e1e1e;border-radius:10px}#played-notes::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#ff6ec4,#7873f5);border-radius:10px;border:2px solid #1e1e1e}#played-notes::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#ff8ec4,#9893f5)}.played-note{display:inline-block;padding:2px 6px;background-color:#2a2a2a;border-radius:4px;white-space:nowrap;margin:0;line-height:1}#equalizer{width:220px}.col-right{display:flex;flex-direction:column;padding:5px 0 0 15px}#enable-piano-btn{padding:10px 20px;font-size:16px;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color 0.3s ease,box-shadow 0.3s ease}#enable-piano-btn.enabled{background-color:green;color:#fff;box-shadow:0 0 10px 2px rgb(0 255 0 / .8)}#enable-piano-btn.disabled{background-color:red;color:#fff;box-shadow:none}.vol-notes-row{display:flex;flex-wrap:wrap;align-items:center;gap:15px;margin-top:10px;justify-content:center}.volume-slider{display:flex;align-items:center;background:#555;padding:10px 15px;border-radius:40px;width:320px;gap:12px;font-family:sans-serif;color:#00fdfd}.volume-icon{font-size:20px}#volumeControl{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:linear-gradient(to bottom,#555,#1E1E1E);border-radius:3px;cursor:pointer}#volumeControl::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:21px;height:30px;background:linear-gradient(to right,#555,#ccc),linear-gradient(to 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0.3s;width:95px}.ptpiano-wrapper{position:relative;min-height:300px;background:#fff0}.ptpiano-loader{position:absolute;top:0;left:0;width:100%;height:100%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10}.ptpiano-loader p{margin-top:15px;font-size:14px;font-weight:700;color:#333}.spinner{width:40px;height:40px;border:4px solid #ddd;border-top:4px solid cyan;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{100%{transform:rotate(360deg)}}.popup-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgb(0 0 0 / .75);display:none;justify-content:center;align-items:center;z-index:9999;pointer-events:all}.popup-content{background:#252424;padding:25px 30px;color:#fff;border-radius:12px;text-align:center;max-width:350px;box-shadow:0 10px 25px rgb(0 0 0 / .3);animation:fadeInScale 0.3s ease-in-out;font-family:'Segoe UI',sans-serif}.popup-content h3{margin-top:0;color:#555}.popup-content p{color:#555;margin:15px 0}.popup-content button{background-color:#3a7afe;color:#fff;border:none;padding:10px 18px;font-size:14px;border-radius:6px;cursor:pointer}.popup-content button:hover{background-color:#245fd3}@media screen and (max-width:1280px){.content-wrapper{padding:5px}header{flex-direction:column}header :where(h2,.column){margin-bottom:13px}.piano-header{width:170px!important}.piano-speaker{display:none}.col-center{grid-column:1 / -1;width:100%;padding-left:0;align-items:center}#played-notes{width:120px!important}.content-wrapper .control{display:block!important}.chord-group{display:block!important;margin:0!important}.chord-option select{display:block;width:100%!important;margin-left:0}.chord-option::before{display:none}.chord-label{display:none}.left-column{width:99%!important}.columnboxpiano{flex-direction:column;align-items:center}.piano-keys .black{height:100px;width:44px;margin:0 -20px 0 -20px}.piano-keys .white{height:180px;width:70px}.piano-keys{display:flex;justify-content:space-between;flex-wrap:nowrap;margin:0!important;padding:0 5px}.piano-keys .white{width:9.5vw;height:140px}.piano-keys .black{width:5vw;height:100px;margin:0 -2.5vw}.right-column{width:98%!important;padding:10px 0}canvas#equalizer{width:95%!important;height:auto!important}.piano-keys .key span{font-size:10px}}