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.15s ease;border-radius:4px;display:flex;align-items:center;justify-content:center;width:20px;height:20px}.remove-file:hover{color:#fff;background:#222}@media(max-width:768px){.sidebar-container,.sidebar-container.collapsed{width:100%;height:100%}.sidebar{width:100%;height:100%;border-left:none;padding:60px 24px 24px;overflow-y:auto}.sidebar-toggle{top:16px;right:16px;width:40px;height:40px;font-size:1.1rem}.sidebar-container.collapsed .sidebar,.sidebar-container.collapsed .sidebar-toggle{display:none}.control-group{margin-bottom:1.5rem;gap:8px}.play-btn{padding:14px 20px;font-size:.85rem}.music-group{padding-top:16px;margin-top:16px;gap:12px}.text-input-wrapper textarea,.text-display{height:150px;max-height:150px;font-size:.85rem}.input-mode-selector{margin-bottom:10px}.mode-btn{padding:10px 12px;font-size:.75rem}.file-upload-zone{min-height:100px}.play-btn .icon{display:inline-block;width:12px;height:12px;font-size:0;position:relative}.play-btn .icon:before{content:"";position:absolute;top:0;left:0}.play-btn:not(.paused) .icon:before{width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid #000}.play-btn.paused .icon:before{width:10px;height:12px;border-left:3px solid #fff;border-right:3px solid #fff;background:transparent;top:50%;transform:translateY(-50%)}.music-btn .icon{display:inline-block;width:18px;height:14px;font-size:0;position:relative}.music-btn .icon:before,.music-btn .icon:after{content:"";position:absolute;top:50%;transform:translateY(-50%)}.music-btn[aria-label="Previous track"] .icon:before{left:0;width:3px;height:12px;background:#fff}.music-btn[aria-label="Previous track"] .icon:after{left:5px;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-right:10px solid #fff}.music-btn[aria-label="Next track"] .icon:before{right:0;width:3px;height:12px;background:#fff}.music-btn[aria-label="Next track"] .icon:after{right:5px;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid #fff}}