.video-volume-container{display:flex;flex-direction:column;gap:1.5rem}.video-preview{background:var(--color-bg-primary, #000);border-radius:12px;overflow:hidden;min-height:300px;display:flex;align-items:center;justify-content:center}.preview-video{width:100%;max-height:60vh;object-fit:contain}.volume-controls{display:flex;flex-direction:column;gap:1rem;padding:1.5rem;background:var(--bg-secondary, #f8f9fa);border-radius:12px}.volume-presets{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap}.volume-btn{padding:.75rem 1.25rem;background:#fff;border:2px solid var(--border-color, #dee2e6);border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s ease;min-width:70px}.volume-btn:hover{border-color:var(--primary-color, #007bff)}.volume-btn.active{background:var(--primary-color, #007bff);border-color:var(--primary-color, #007bff);color:#fff}.volume-slider{display:flex;align-items:center;justify-content:center;gap:.75rem}.volume-slider input[type=range]{width:100%;max-width:300px}.volume-icon{font-size:1.25rem}.volume-value{font-size:1.25rem;font-weight:600;color:var(--primary-color, #007bff);min-width:50px}.volume-warning{text-align:center;color:var(--color-warning, #f59e0b);font-size:.875rem;margin:0}.action-bar{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}.file-info{display:flex;align-items:center;gap:.5rem;color:var(--text-primary, #212529)}.file-name{font-weight:500;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.processing-overlay{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;gap:1rem;color:var(--text-primary, #212529)}.spinner{width:48px;height:48px;border:4px solid var(--border-color, #dee2e6);border-top-color:var(--primary-color, #007bff);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar{width:100%;max-width:300px;height:8px;background:var(--border-color, #dee2e6);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--primary-color, #007bff);transition:width .3s ease}.error-message{padding:1rem;background:var(--color-error-subtle);border:1px solid var(--color-error);border-radius:8px;color:var(--color-error)}.privacy-note{text-align:center;padding:1rem;color:var(--text-secondary, #6c757d);font-size:.875rem}@media(max-width:600px){.volume-presets{gap:.25rem}.volume-btn{padding:.5rem .75rem;min-width:55px;font-size:.875rem}.volume-slider{flex-wrap:wrap}}