.elementor-widget-choir_trainer{position:relative;min-height:600px;overflow:hidden}.choir-trainer-container{display:flex;height:calc(100vh - 200px);direction:rtl;position:relative;background:#fff}.choir-trainer-sidebar{width:300px;border-left:1px solid #ccc;background-color:#f5f5f5;flex-shrink:0;display:flex;flex-direction:column}.choir-nav{padding:8px;background:#fff;border-bottom:1px solid #ddd;display:flex;align-items:center;gap:8px;flex-shrink:0}.nav-button{background:#fff0;border:none;border-radius:4px;padding:5px 8px;cursor:pointer;display:inline-flex;align-items:center;gap:4px;font-size:12px;color:#666;transition:all 0.2s}.nav-button:hover{background:#f0f0f0;color:#333}.nav-button i{font-size:14px}.current-folder-path{flex-grow:1;padding:5px 8px;font-size:13px;color:#666;display:flex;align-items:center;gap:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.files-list{overflow-y:auto;flex-grow:1;padding:10px}.folder-item,.file-item{padding:10px;margin:5px 0;cursor:pointer;border:1px solid #ddd;border-radius:4px;display:flex;align-items:center;background:#fff;transition:background-color 0.2s}.folder-item:hover,.file-item:hover{background:#f0f0f0}.icon{margin-left:10px;width:20px;text-align:center;color:#666}.no-files{padding:20px;text-align:center;color:#666}.download-pack{padding:15px;background:#f8f9fa;border-top:1px solid #ddd;text-align:center;flex-shrink:0}.download-button{background:#28a745;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:background-color 0.3s}.download-button:hover{background:#218838}.choir-trainer-main{flex-grow:1;position:relative;overflow:hidden;padding:20px;display:flex;flex-direction:column}.pdf-container{flex-grow:1;position:relative;margin-bottom:80px}#pdf-viewer{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto}#pdf-viewer iframe{width:100%;height:100%;border:none}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:rgb(255 255 255 / .9);display:flex;justify-content:center;align-items:center;flex-direction:column;z-index:50}.spinner{width:50px;height:50px;border:5px solid #f3f3f3;border-top:5px solid #3498db;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:15px}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading-text{font-size:18px;color:#333;text-align:center}.choir-trainer-audio{position:absolute;bottom:0;right:20px;left:20px;background:#e0e0e0;padding:15px;z-index:100;box-shadow:0 -2px 5px rgb(0 0 0 / .1);display:flex;align-items:center;gap:10px;height:60px;border-radius:4px}.choir-trainer-audio select{min-width:200px;max-width:300px;padding:8px;border-radius:4px;border:1px solid #ccc}.choir-trainer-audio audio{flex-grow:1;max-width:calc(100% - 320px)}.audio-loading{display:inline-block;margin-right:10px;color:#3498db;visibility:hidden}.audio-loading.visible{visibility:visible}@media (max-width:768px){.choir-trainer-container{flex-direction:column;height:auto}.choir-trainer-sidebar{width:100%;border-left:none;border-bottom:1px solid #ccc}.choir-trainer-main{height:500px}.choir-trainer-audio{flex-direction:column;height:auto;gap:10px;padding:10px}.choir-trainer-audio select,.choir-trainer-audio audio{width:100%;max-width:100%}}