.abcjs-inline-audio{box-sizing:border-box;background-color:#424242;border-radius:3px;align-items:center;height:26px;padding:0 5px;display:flex}.abcjs-inline-audio.abcjs-disabled{opacity:.5}.abcjs-inline-audio .abcjs-btn{box-sizing:border-box;border:1px solid #0000;width:28px;height:34px;margin-right:2px;padding:7px 4px;line-height:1;display:block;background:0 0!important}.abcjs-btn g{fill:#f4f4f4;stroke:#f4f4f4}.abcjs-inline-audio .abcjs-btn:hover g{fill:#ccc;stroke:#ccc}.abcjs-inline-audio .abcjs-midi-selection.abcjs-pushed,.abcjs-inline-audio .abcjs-midi-loop.abcjs-pushed,.abcjs-inline-audio .abcjs-midi-reset.abcjs-pushed{box-sizing:border-box;background-color:#666;border:1px solid #ccc}.abcjs-inline-audio .abcjs-midi-start .abcjs-pause-svg,.abcjs-inline-audio .abcjs-midi-start .abcjs-loading-svg,.abcjs-inline-audio .abcjs-midi-start.abcjs-pushed .abcjs-play-svg,.abcjs-inline-audio .abcjs-midi-start.abcjs-loading .abcjs-play-svg{display:none}.abcjs-inline-audio .abcjs-midi-start.abcjs-pushed .abcjs-pause-svg{display:block}.abcjs-inline-audio .abcjs-midi-progress-background{box-sizing:border-box;background-color:#424242;border:2px solid #ccc;border-radius:5px;flex:1;height:10px;margin:0 8px 0 15px;padding:0;position:relative}.abcjs-inline-audio .abcjs-midi-progress-indicator{box-sizing:border-box;background-color:#f4f4f4;border-radius:6px;width:20px;height:14px;margin-left:-10px;display:inline-block;position:absolute;top:-4px;left:0}.abcjs-inline-audio .abcjs-midi-clock{box-sizing:border-box;color:#f4f4f4;margin-top:1px;margin-left:4px;margin-right:2px;font-family:sans-serif;font-size:16px;display:inline-block}.abcjs-inline-audio .abcjs-tempo-wrapper{color:#f4f4f4;box-sizing:border-box;align-items:center;font-size:10px;display:flex}.abcjs-inline-audio .abcjs-midi-tempo{box-sizing:border-box;border:none;border-radius:2px;width:42px;margin:0 2px 0 4px;padding-left:2px}.abcjs-inline-audio .abcjs-loading .abcjs-loading-svg{display:inherit}.abcjs-inline-audio .abcjs-loading{outline:none;animation-name:abcjs-spin;animation-duration:1s;animation-timing-function:linear;animation-iteration-count:infinite}.abcjs-inline-audio .abcjs-loading-svg circle{stroke:#f4f4f4}@keyframes abcjs-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.abcjs-large .abcjs-inline-audio{height:52px}.abcjs-large .abcjs-btn{width:56px;height:52px;padding:6px 8px;font-size:28px}.abcjs-large .abcjs-midi-progress-background{border:4px solid #ccc;height:20px}.abcjs-large .abcjs-midi-progress-indicator{width:40px;height:28px;top:-8px}.abcjs-large .abcjs-midi-clock{margin-top:-1px;margin-left:10px;margin-right:10px;font-size:32px}.abcjs-large .abcjs-midi-tempo{width:50px;font-size:20px}.abcjs-large .abcjs-tempo-wrapper{font-size:20px}.abcjs-css-warning{display:none}:root{--bg-color:#f0f8ff;--panel-bg:#fff;--primary:#ff6b6b;--secondary:#4ecdc4;--accent:#ffe66d;--text-dark:#2d3436;--text-light:#636e72;--border-radius:20px;--box-shadow:0 8px 24px #00000014}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-dark);flex-direction:column;min-height:100vh;font-family:Nunito,sans-serif;display:flex}.app-header{text-align:center;background:#fff;margin-bottom:20px;padding:20px 0;box-shadow:0 4px 12px #0000000d}.logo{justify-content:center;align-items:center;gap:10px;display:flex}.logo-icon{font-size:2.5rem}h1{color:var(--primary);text-transform:uppercase;letter-spacing:2px;font-size:2.5rem;font-weight:800}.subtitle{color:var(--secondary);font-size:1.1rem;font-weight:600}.nav-dropdown-wrapper{display:inline-block;position:relative}.nav-dropdown-btn{color:var(--text-dark);cursor:pointer;-webkit-user-select:none;user-select:none;background:#fff;border:2px solid #e2e8f0;border-radius:25px;align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 2px 6px #0000000f}.nav-dropdown-btn:hover,.nav-dropdown-wrapper.active .nav-dropdown-btn,.nav-dropdown-wrapper.open .nav-dropdown-btn{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px #ff6b6b4d}.dropdown-menu-content:before{content:"";background:0 0;height:12px;position:absolute;top:-12px;left:0;right:0}.dropdown-menu-content{z-index:9999;background:#fff;border:1px solid #e2e8f0;border-radius:16px;min-width:270px;padding:8px 0;animation:.2s cubic-bezier(.16,1,.3,1) dropdownFadeIn;display:none;position:absolute;top:calc(100% + 4px);right:0;overflow:hidden;box-shadow:0 12px 30px #0000002e}.nav-dropdown-wrapper:hover .dropdown-menu-content,.nav-dropdown-wrapper.open .dropdown-menu-content{display:block}.dropdown-item{color:#334155;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 20px;font-size:.95rem;font-weight:700;text-decoration:none;transition:all .15s;display:flex}.dropdown-item:hover{color:#ff6b6b;background:#fff0f0;padding-left:24px}.dropdown-item:active{background:#ffe3e3}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.app-container{flex:1;gap:20px;width:100%;max-width:1800px;margin:0 auto;padding:0 20px 20px;display:flex}.panel{background:var(--panel-bg);border-radius:var(--border-radius);box-shadow:var(--box-shadow);border:4px solid #fff;flex-direction:column;display:flex;overflow:hidden}.left-panel{flex-direction:column;flex:1;display:flex;overflow:hidden}.right-panel{flex:1}.panel-header{background:var(--accent);text-align:center;padding:15px}.panel-header h2{color:var(--text-dark);font-size:1.5rem}.left-panel .panel-header{background:var(--secondary)}.left-panel .panel-header h2{color:#fff}.panel-content{flex-direction:column;flex:1;padding:20px;display:flex;position:relative;overflow:hidden}#comparison-container{flex-direction:column;gap:10px;height:100%;display:flex;overflow:hidden}#image-container{background:#f8f9fa;border-radius:12px;flex-shrink:0;justify-content:center;align-items:flex-start;height:250px;display:flex;position:relative;overflow:auto}.upload-prompt{border:3px dashed 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#eee;border-radius:12px;flex:none;padding:10px;overflow-x:auto;height:250px!important;overflow-y:scroll!important}#studio-abc-paper{min-height:500px;border:none!important;height:auto!important;padding:0!important;overflow-y:visible!important}.editor-content{flex-direction:column;display:flex}.abc-input-container{flex-direction:column;flex:1;gap:10px;display:flex}.abc-input-container label{color:var(--primary);font-size:1.1rem;font-weight:700}#abc-code{resize:none;background:#fdfdfd;border:3px solid #eee;border-radius:12px;outline:none;flex:1;width:100%;min-height:500px;padding:20px;font-family:monospace;font-size:1.3rem;line-height:1.5}#abc-code:focus{border-color:var(--primary);box-shadow:0 0 0 4px #ff6b6b1a}@media (width<=1024px){.app-container{flex-direction:column}.left-panel{max-width:100%}}.toggle-btn{color:var(--primary);cursor:pointer;background:#fff;border:2px solid #fff;border-radius:8px;padding:8px 15px;font-weight:700;transition:all .2s;box-shadow:0 2px 8px 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rect{fill:#f1c40f!important;stroke:#f1c40f!important}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f172ab3;justify-content:center;align-items:center;width:100vw;height:100vh;padding:20px;display:none;position:fixed;top:0;left:0;z-index:999999!important}.modal-overlay.show{visibility:visible!important;opacity:1!important;pointer-events:auto!important;display:flex!important}.theory-modal-container{background:#fff;border-radius:16px;flex-direction:column;width:95%;max-width:1100px;max-height:90vh;animation:.25s ease-out modalFadeIn;display:flex;overflow:hidden;box-shadow:0 20px 50px #0000004d}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.theory-tab-btn{cursor:pointer;color:#cbd5e1;background:#ffffff26;border:none;border-radius:20px;padding:8px 18px;font-size:14px;font-weight:700;transition:all 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