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img{width:100%;height:100%;object-fit:cover}.thumb-remove{position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.7);color:#ffffff;border:none;font-size:12px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.thumb-remove:hover{background:var(--danger)}.preview-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px}.before-after-header{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:12px}.file-info-badge{font-size:12px;background:var(--bg-body);padding:4px 8px;border-radius:var(--radius-sm);border:1px solid var(--border)}.slider-viewport{position:relative;width:100%;height:340px;border-radius:var(--radius-sm);overflow:hidden;background:#0d0d12;cursor:ew-resize;-webkit-user-select:none;-moz-user-select:none;user-select:none;touch-action:none}.slider-layer{position:absolute;inset:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.slider-layer img{max-width:100%;max-height:100%;object-fit:contain}.layer-tag{position:absolute;top:10px;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;color:#ffffff}.tag-original{left:10px;background:rgba(0,0,0,.65)}.tag-processed{right:10px;background:var(--accent)}.slider-handle{top:0;bottom:0;width:3px;transform:translateX(-50%);box-shadow:0 0 8px rgba(0,0,0,.5);z-index:10}.handle-bar,.slider-handle{position:absolute;background:#ffffff}.handle-bar{top:50%;left:50%;transform:translate(-50%,-50%);width:28px;height:28px;border-radius:50%;border:2px solid var(--accent);box-shadow:0 2px 6px 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rgba(0,0,0,.15);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.action-bar-left{display:flex;align-items:center;gap:12px}.count-badge{font-size:13px;font-weight:600;color:var(--text-primary)}.text-btn-sm{display:inline-flex;align-items:center;gap:4px;background:transparent;border:none;color:var(--text-secondary);font-size:12px;cursor:pointer}.text-btn-sm:hover{color:var(--danger)}.action-bar-right{display:flex;align-items:center;gap:8px}.action-download-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);background:var(--accent);color:#ffffff;border:none;font-size:13px;font-weight:600;cursor:pointer;transition:var(--transition-spring)}.action-download-btn:hover{opacity:.9}@media (max-width:600px){.slider-viewport{height:260px}.grid-2-col{grid-template-columns:1fr}.panel-container{padding:16px 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