*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background-color:#000;color:#fff;overflow:hidden;height:100vh}.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden;background-color:#000}.app-header{padding:10px 20px;flex-shrink:0;background:#181818cc;border-bottom:1px solid rgba(255,255,255,.1)}.header-content{display:flex;align-items:center;justify-content:space-between;max-width:100%}.home-btn{background:transparent;border:none;cursor:pointer;padding:5px 10px;border-radius:8px;transition:all .3s ease}.home-btn:hover{background:#ff477e1a}.home-logo{color:#ff477e;font-size:1.8rem;font-weight:700;text-shadow:0 0 10px rgba(255,71,126,.7)}.mode-buttons{display:flex;justify-content:center;align-items:center;gap:10px;flex-grow:1}.mode-button{background-color:#333;color:#fff;border:none;border-radius:20px;padding:8px 18px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;display:flex;align-items:center;justify-content:center;min-width:100px;box-shadow:0 2px 5px #0003;position:relative;overflow:hidden}.mode-button:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0000004d}.mode-button:active{transform:translateY(0);box-shadow:0 2px 3px #0003}.mode-button.active{background-color:var(--accent-color, #ff3366);box-shadow:0 0 10px #ff336680}.btn-concert{background-color:#3498db}.btn-concert:hover{background-color:#2980b9}.btn-concert.active{background-color:#2980b9;box-shadow:0 0 10px #3498db80}.btn-karaoke{background-color:#9b59b6}.btn-karaoke:hover{background-color:#8e44ad}.btn-karaoke.active{background-color:#8e44ad;box-shadow:0 0 10px #9b59b680}.btn-rehearsal{background-color:#ff8c00;color:#fff;border:2px solid #FF8C00}.btn-rehearsal:hover{background-color:#ff7f00;border-color:#ff7f00;box-shadow:0 0 8px #ff8c0066}.btn-rehearsal.active{background-color:#ff6500;border-color:#ff6500;box-shadow:0 0 12px #ff8c0099}.btn-live{background-color:#e74c3c}.btn-live:hover{background-color:#c0392b}.btn-live.active{background-color:#c0392b;box-shadow:0 0 10px #e74c3c80}.scale-btn{background:transparent;border:1px solid rgba(255,255,255,.3);color:#ffffffb3;padding:6px 12px;border-radius:15px;cursor:pointer;font-size:12px;font-weight:500;transition:all .3s ease;min-width:40px}.scale-btn:hover{background:#ffffff1a;color:#fff;border-color:#fff}#lyrics-container{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;overflow-y:auto;overflow-x:hidden;padding:0;position:relative;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.3) transparent}#lyrics-container::-webkit-scrollbar{width:8px}#lyrics-container::-webkit-scrollbar-track{background:transparent}#lyrics-container::-webkit-scrollbar-thumb{background-color:#ffffff4d;border-radius:4px}#lyrics-display{font-size:1.5rem;line-height:1.4;text-align:center;max-width:80%;width:100%;padding:40px 0 120px;display:flex;flex-direction:column;align-items:center;word-wrap:break-word}.lyric-line{margin:16px 0;opacity:.5;transition:all .3s ease;max-width:100%;white-space:normal;overflow-wrap:break-word;word-break:normal;padding:0 20px;word-spacing:normal!important;line-height:1.4}.lyric-line.active{opacity:1;color:#fff;text-shadow:0 0 8px rgba(255,255,255,.6),0 0 15px rgba(255,255,255,.4);transition:opacity .3s ease,color .3s ease,text-shadow .3s ease}.lyric-line:not(:has(* br,* span)){white-space:pre-wrap}.lyric-line:not(:has(* span)){overflow:hidden;text-overflow:ellipsis}body,.lyric-line,#lyrics-display{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#transport-controls{display:flex;align-items:center;background-color:#1f1f1f;border-top:1px solid #333;padding:10px 15px;flex-wrap:wrap;gap:10px;z-index:10;position:relative;flex-shrink:0}.transport-controls-row{display:flex;align-items:center;width:100%;margin-bottom:5px}.transport-btn,#play-pause,#reload-app,#marker-editor-btn{background-color:#555;color:#fff;border:none;border-radius:4px;padding:8px 15px;cursor:pointer;font-size:14px;margin-right:5px;transition:all .2s ease}.transport-btn:hover,#play-pause:hover,#reload-app:hover,#marker-editor-btn:hover{background-color:#666;box-shadow:0 0 5px #0000004d}#reload-app{font-size:15px;background-color:#555}#reload-app:hover{background-color:#666}#marker-editor-btn{background-color:#4caf50}#marker-editor-btn:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.volume-controls{display:flex;flex-direction:column;margin:0 20px}.volume-control{display:flex;align-items:center;margin:5px 0}.volume-control label{width:80px;font-size:.9rem}.volume-control input[type=range]{width:150px}#track-catalog{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#141414f2;z-index:9999;overflow-y:auto;padding:20px}.hidden{display:none}.catalog-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}#catalog-tracks{margin-bottom:30px}.track-item{display:flex;justify-content:space-between;align-items:center;padding:10px;border-bottom:1px solid #333;cursor:pointer}.track-item:hover{background-color:#333}.track-title{font-size:1.1rem;font-weight:700;flex:1}.track-info{display:flex;align-items:center}.track-info span{margin-right:15px;font-size:.9rem;color:#aaa}.current-track{background-color:#2a2a2a;border-left:3px solid #4CAF50}.delete-track{background-color:#e74c3c;color:#fff;border:none;border-radius:4px;padding:5px 10px;cursor:pointer;font-size:.8rem;margin-left:10px}.delete-track:hover{background-color:#c0392b}.upload-container{background-color:#222;padding:15px;border-radius:5px}.upload-row{display:flex;flex-wrap:wrap;margin:0 -10px}.upload-box{flex:1;min-width:250px;padding:0 10px;margin-bottom:15px}.upload-box label{display:block;margin-bottom:8px;font-weight:700;font-size:.9rem}.dropzone{border:2px dashed #666;border-radius:5px;padding:12px;text-align:center;background-color:#333;transition:all .3s ease;cursor:pointer;position:relative;height:80px;display:flex;align-items:center;justify-content:center}.dropzone:hover,.dropzone.dragover{border-color:#4caf50;background-color:#3a3a3a}.dropzone-content{pointer-events:none;display:flex;flex-direction:column;align-items:center;justify-content:center}.dropzone .icon{font-size:1.5rem;margin-bottom:5px}.dropzone p{margin:0;font-size:.9rem}.dropzone input[type=file]{position:absolute;width:100%;height:100%;top:0;left:0;opacity:0;cursor:pointer}.dropzone.file-selected{border-color:#4caf50;background-color:#2c3e2c}.dropzone.file-selected .icon{color:#4caf50}#upload-btn{background-color:#4caf50;color:#fff;padding:12px 20px;border:none;border-radius:4px;cursor:pointer;font-size:1rem;width:100%;margin-top:10px;font-weight:700;transition:background-color .2s}#upload-btn:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.welcome-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;max-width:90%;width:100%;padding:20px;z-index:10}.welcome-message h1{font-size:4rem;margin-bottom:20px;background:linear-gradient(135deg,#ff3b5c,#7331ff,#00b8ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradient-shift 8s ease infinite;font-weight:700}.welcome-message p{font-size:1.8rem;margin:10px 0;color:#fff;opacity:.9}@media (max-width: 768px){.welcome-message h1{font-size:2.5rem}.welcome-message p{font-size:1.3rem}}.no-lyrics{font-size:2rem;opacity:.7;text-align:center}.no-tracks{text-align:center;padding:30px;font-size:1.2rem;color:#888}#progress-bar-container{flex:1;height:10px;background-color:#333;border-radius:5px;position:relative;cursor:pointer;overflow:visible;z-index:1}#progress-bar{height:100%;background-color:#4caf50;width:0;border-radius:5px;transition:width .1s linear;position:relative;z-index:2}#progress-bar-container:hover{background-color:#444}#progress-tooltip{position:absolute;background-color:#222;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;transform:translate(-50%);bottom:15px;pointer-events:none;opacity:0;transition:opacity .2s;z-index:10;box-shadow:0 2px 5px #0000004d}#progress-bar-container:hover #progress-tooltip{opacity:1}.waveform-editor{position:fixed;top:auto;bottom:0;left:0;right:0;width:auto;height:250px;background-color:#1a1a1a;z-index:100;border-top:1px solid #333;display:flex;flex-direction:column;box-shadow:0 -3px 12px #000000b3;color:#fff;font-family:Arial,sans-serif}.waveform-header{display:flex;justify-content:space-between;align-items:center;padding:8px 15px;background-color:#222;border-bottom:1px solid #333;flex-wrap:wrap;gap:10px;height:50px}.waveform-header-left,.waveform-header-center,.waveform-header-right{display:flex;align-items:center;gap:10px}.waveform-header-left{flex:0 0 auto}.waveform-header-center{flex:1 1 auto;justify-content:center}.waveform-header-right{flex:0 0 auto}.waveform-title{font-size:16px;font-weight:700;color:#fff;margin-right:15px;text-transform:uppercase;letter-spacing:1px}.waveform-btn.back-btn{background-color:#555;border-radius:20px;padding:6px 15px;font-weight:700;display:flex;align-items:center;gap:5px}.waveform-btn.back-btn:before{content:"←";font-size:14px}.waveform-btn.back-btn:hover{background-color:#666;box-shadow:0 0 5px #0000004d}.waveform-help{font-size:13px;color:#aaa;margin-right:15px;flex-grow:1}.waveform-controls{display:flex;gap:5px;align-items:center;flex-wrap:wrap;background-color:#2d2d2d;border-radius:6px;padding:3px}.waveform-zoom-controls{display:flex;align-items:center;margin-right:10px}.waveform-btn{background-color:#555;color:#fff;border:none;border-radius:4px;padding:6px 12px;cursor:pointer;font-size:13px;transition:all .2s ease;border:1px solid transparent}.waveform-btn:hover{background-color:#666;color:#fff;box-shadow:0 0 5px #0000004d}.waveform-btn:active{transform:translateY(1px);background-color:#444}.waveform-btn.active{background-color:#333;color:#fff;box-shadow:inset 0 0 5px #0000004d}.waveform-btn.save-btn{background-color:#4caf50;color:#fff;font-weight:700;padding:6px 15px;border-radius:20px}.waveform-btn.save-btn:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.waveform-btn.edit-text-btn{background-color:#4caf50;color:#fff;font-weight:700;padding:6px 12px;border-radius:4px;margin:0 5px}.waveform-btn.edit-text-btn:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.waveform-btn.edit-text-btn strong{font-size:15px;font-family:serif}.waveform-canvas-container{flex:1;position:relative;overflow:hidden;background-color:#1a1a1a}.waveform-canvas{display:block;width:100%;height:100%}.playhead{position:absolute;top:0;width:2px;height:100%;background-color:#ff7832cc;z-index:10;pointer-events:none}.waveform-editor.centered-playhead .playhead{width:3px;background-color:#ff7832;box-shadow:0 0 8px #ff7832cc}.waveform-editor.centered-playhead .playhead:before{content:"";position:absolute;top:0;left:-2px;width:7px;height:7px;background-color:#ff7832;border-radius:50%}.waveform-editor.centered-playhead .playhead:after{content:"";position:absolute;bottom:0;left:-2px;width:7px;height:7px;background-color:#ff7832;border-radius:50%}#waveform-time-display{font-family:monospace;background-color:#2d2d2de6;border-radius:20px;padding:6px 15px;color:#fff;font-size:18px;font-weight:700;box-shadow:0 2px 5px #0000004d;min-width:80px;text-align:center;letter-spacing:1px;border:1px solid rgba(255,255,255,.1)}.waveform-marker{position:absolute;top:0;width:2px;height:100%;background-color:#4caf50;z-index:4;cursor:move;transition:background-color .2s ease}.waveform-marker:before{content:"";position:absolute;top:0;left:-6px;width:12px;height:12px;background-color:#4caf50;border-radius:50%;box-shadow:0 0 5px #00000080}.waveform-marker-label{position:absolute;top:16px;transform:translate(-50%);background-color:#000c;color:#fff;padding:4px 8px;border-radius:4px;font-size:11px;white-space:nowrap;max-width:150px;overflow:hidden;text-overflow:ellipsis;pointer-events:none;border-left:2px solid #4CAF50}body.waveform-active #lyrics-container{padding-bottom:270px!important;transition:padding-bottom .3s ease}body.waveform-active #lyrics-display{padding-top:60px!important}.waveform-active .lyric-line.has-marker{color:#4caf50!important;border-left:3px solid #4CAF50;padding-left:5px;transition:all .2s ease}.waveform-active .lyric-line.marker-intro{color:#2196f3!important;border-left:3px solid #2196F3}.waveform-active .lyric-line.marker-outro{color:#ff9800!important;border-left:3px solid #FF9800}.waveform-active .lyric-line.marker-unknown{color:#9e9e9e!important;border-left:3px solid #9E9E9E}@keyframes flash-highlight{0%{background-color:#4caf5000}50%{background-color:#4caf504d}to{background-color:#4caf5000}}.lyric-line.flash-highlight{animation:flash-highlight .5s ease}.waveform-active .lyric-line.played-marker{opacity:.6}.waveform-active .lyric-line.played-marker.marker-verse{color:#4caf5099!important}.waveform-active .lyric-line.played-marker.marker-chorus{color:#f4433699!important}.waveform-active .lyric-line.played-marker.marker-bridge{color:#6f42c199!important}.waveform-btn.delete-btn{background-color:#e74c3c;color:#fff;border-radius:4px}.waveform-btn.delete-btn:hover{background-color:#c0392b;box-shadow:0 0 5px #e74c3c80}.waveform-btn.reset-btn{background-color:#e74c3c;color:#fff;border-radius:4px}.waveform-btn.reset-btn:hover{background-color:#c0392b;box-shadow:0 0 5px #e74c3c80}.waveform-selection{background-color:#4caf5026;border:1px solid rgba(76,175,80,.5);border-radius:2px}.waveform-marker.selected{background-color:#ff9800}.waveform-loop-region{position:absolute;top:0;height:100%;background-color:transparent!important;border-left:1px solid rgba(255,200,50,.8)!important;border-right:1px solid rgba(255,200,50,.8)!important;z-index:2;pointer-events:none}.waveform-loop-handle{position:absolute;z-index:5;transition:background-color .1s ease,border .1s ease,box-shadow .1s ease;pointer-events:auto}.waveform-loop-handle.bottom-handle{position:absolute;bottom:0;height:12px;background-color:#ffc832b3;border:1px solid rgba(255,255,255,.7);border-radius:3px 3px 0 0;cursor:grab}.waveform-loop-handle.start-handle,.waveform-loop-handle.end-handle{top:0;height:100%;width:5px;background-color:#ffc83280;border:1px solid rgba(255,255,255,.5);cursor:ew-resize}.waveform-loop-handle:hover,.waveform-loop-handle.hover,.waveform-loop-handle.dragging{background-color:#ffc832e6;border:2px solid white;box-shadow:0 0 5px #ffffff80}.waveform-loop-handle.bottom-handle:hover,.waveform-loop-handle.bottom-handle.hover,.waveform-loop-handle.bottom-handle.dragging{background-color:#ffc832e6;cursor:grabbing}.waveform-btn.loop-btn{background-color:#ff9800;color:#fff}.waveform-btn.loop-btn.active{background-color:#f57c00;box-shadow:0 0 5px #ff980080}.sync-editor-container{display:flex;flex-direction:column;height:100%}.btn-group{display:flex;background-color:#333;border-radius:20px;padding:2px;margin:0 5px;overflow:hidden}.btn-group .waveform-btn{border-radius:0;margin:0;border-right:1px solid #222;padding:6px 10px;background-color:#555}.btn-group .waveform-btn:first-child{border-top-left-radius:20px;border-bottom-left-radius:20px}.btn-group .waveform-btn:last-child{border-top-right-radius:20px;border-bottom-right-radius:20px;border-right:none}.btn-group .waveform-btn:hover{background-color:#666}.btn-group .waveform-btn.active{background-color:#333}.waveform-btn.add-marker-btn{background-color:#4caf50;color:#fff;font-weight:700;padding:6px 15px;border-radius:20px}.waveform-btn.add-marker-btn:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.waveform-btn.markers-toggle-btn{background-color:#555;color:#fff;font-weight:700;padding:6px 15px;border-radius:20px}.waveform-btn.markers-toggle-btn.active{background-color:#4caf50;color:#fff}.waveform-btn.markers-toggle-btn:hover{background-color:#666;box-shadow:0 0 5px #fff3}.waveform-btn.markers-toggle-btn.active:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.time-marker{position:absolute;bottom:0;width:1px;height:5px;background-color:#ffffff4d;pointer-events:none}.time-marker.major{height:10px;background-color:#ffffff80}.time-marker-label{position:absolute;bottom:12px;transform:translate(-50%);color:#fff9;font-size:10px;font-family:monospace}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#00000080;transition:opacity .3s ease}.modal-content{position:relative;background-color:#222;margin:10% auto;padding:0;border:1px solid #444;width:600px;max-width:90%;box-shadow:0 4px 8px #0003;animation:modalFadeIn .3s;border-radius:4px;overflow:hidden}@keyframes modalFadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:15px;background-color:#333;color:#fff;border-bottom:1px solid #444;display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0;font-size:18px}.modal-body{padding:20px;color:#ddd}.close{color:#aaa;float:right;font-size:28px;font-weight:700;cursor:pointer}.close:hover,.close:focus{color:#fff;text-decoration:none}.btn{display:inline-block;padding:8px 12px;margin:5px 0;background-color:#555;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .2s}.btn:hover{background-color:#666;box-shadow:0 0 5px #0000004d}.btn:disabled{background-color:#333;color:#777;cursor:not-allowed}.btn-primary{background-color:#4caf50}.btn-primary:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}.btn-small{padding:4px 8px;font-size:12px}.info-text{font-size:12px;color:#999;margin:5px 0 15px}.form-control{display:block;width:100%;padding:8px 10px;font-size:14px;background-color:#333;border:1px solid #444;color:#ddd;border-radius:4px;margin:10px 0}.file-upload-container{display:flex;align-items:center;margin:10px 0}#selected-file-name{margin-left:10px;font-style:italic;color:#999}.backup-table{width:100%;border-collapse:collapse;margin:10px 0;font-size:14px}.backup-table th,.backup-table td{padding:8px;text-align:left;border-bottom:1px solid #444}.backup-table th{background-color:#333;color:#ddd}.backup-table tr:hover{background-color:#333}.notifications-container{position:fixed;bottom:20px;right:20px;z-index:1500;display:flex;flex-direction:column;gap:10px;max-width:350px}.notification{padding:12px 15px;border-radius:4px;color:#fff;box-shadow:0 2px 5px #0003;display:flex;justify-content:space-between;align-items:center;animation:notificationFadeIn .3s forwards;transition:opacity .3s,transform .3s}.notification.notification-hidden{opacity:0;transform:translate(30px)}.notification.info{background-color:#36c}.notification.success{background-color:#28a745}.notification.error{background-color:#dc3545}.notification.warning{background-color:#ffc107;color:#333}.notification-close{margin-left:10px;cursor:pointer;padding:0 5px}@keyframes notificationFadeIn{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}#backup-btn,#restore-btn{margin-left:10px}hr{border:none;border-top:1px solid #444;margin:20px 0}.import-markers-container{margin-top:20px;padding-top:10px}.import-markers-container h3{font-size:1.1rem;margin:10px 0;color:#4caf50}.import-box{display:flex;align-items:center;margin:10px 0}#import-markers-btn{background-color:#4caf50;color:#fff;padding:8px 15px;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:5px;transition:background-color .2s}#import-markers-btn:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}#import-markers-btn .icon{font-size:1.1rem}#import-file-name{margin-left:10px;font-style:italic;color:#999;font-size:.9rem}.btn-secondary{background-color:#555}.btn-secondary:hover{background-color:#666}.import-track-markers{background-color:#4caf50;color:#fff;border:none;border-radius:4px;padding:3px 7px;cursor:pointer;font-size:.9rem;font-weight:700;margin-right:5px;margin-left:10px;transition:background-color .2s}.import-track-markers:hover{background-color:#45a049;box-shadow:0 0 5px #4caf5080}#load-markers-btn{margin-left:10px;background-color:#555}#load-markers-btn:hover{background-color:#666}.load-markers-message{margin-top:10px;padding:10px;background-color:#3498db33;border-radius:4px;color:#fff;font-size:.9rem;display:flex;align-items:center;justify-content:space-between}.load-markers-message 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";color:#4caf50!important;font-size:110%!important;margin-right:.3em!important}.rehearsal-preview-line.preview-continuation-first-line{color:#ff8c00!important;font-size:115%!important;font-weight:700!important}.loop-train .loop-wagon[data-export-selected="1"]{position:relative;outline:2px solid transparent}.loop-train .loop-wagon[data-export-selected="1"]:after{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;border:2px solid #ffa53a;box-shadow:0 0 0 3px #ffa53a59;pointer-events:none;border-radius:6px;z-index:5}.loop-train[data-export-select="1"] .wagon-loop-toggle{pointer-events:none!important;transition:none!important;animation:none!important;transform:none!important;outline:none!important;box-shadow:none!important;z-index:0!important}.loop-train[data-export-select="1"] .wagon-loop-toggle:focus,.loop-train[data-export-select="1"] .wagon-loop-toggle:active,.loop-train[data-export-select="1"] .wagon-loop-toggle.is-on{outline:none!important;box-shadow:none!important;transform:none!important}.rehearsal-preview-line.preview-continuation-first-line:before{content:"↳ ";color:#4caf50!important;font-size:110%!important;margin-right:.3em!important}.rehearsal-next-preview{margin-top:20px!important;padding:12px!important;opacity:.6!important;font-size:1rem!important;text-align:center!important;max-height:18vh!important;overflow:hidden!important;flex-shrink:0!important;position:absolute!important;bottom:20px!important}.loop-block-indicator{position:absolute;background-color:#ffa5004d;border:1px solid #FFA500;z-index:5;cursor:pointer}.loop-block-indicator:hover{background-color:orange}.loop-block-indicator.selected{background-color:#ff8c00!important;border:2px solid #FF8C00!important;z-index:6!important}.loop-block-indicator.active-loop{background-color:#ff8c00!important;border:2px solid 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