.asset-model-preview{position:relative;width:100%;height:100%;overflow:hidden;border-radius:14px;background:linear-gradient(180deg,var(--surface-soft),var(--bg))}.asset-model-canvas{--model-viewport-bg: var(--surface-soft);width:100%;height:100%}.asset-model-preview.is-detail{height:100%;min-height:320px}.asset-model-preview.is-detail .asset-model-canvas{height:100%;touch-action:none}.asset-model-preview.is-compact{min-height:0;border-radius:0;background:radial-gradient(circle at 50% 38%,color-mix(in srgb,var(--primary) 14%,var(--card)),transparent 66%),linear-gradient(155deg,var(--surface-soft),var(--bg))}.asset-model-preview.is-compact .asset-model-canvas{min-height:92px}.asset-model-canvas canvas{display:block}.asset-model-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:12px}.asset-model-toolbar{position:absolute;top:12px;right:12px;display:flex;gap:6px}.asset-dxf-preview{position:relative;width:100%;height:100%;overflow:hidden;border-radius:14px;background:var(--surface-soft)}.asset-dxf-frame{width:100%;height:100%;overflow:hidden}.asset-dxf-canvas{display:block;width:100%;height:100%;object-fit:contain;transform-origin:center center;-webkit-user-select:none;user-select:none}.asset-dxf-preview.is-detail{height:100%;min-height:320px}.asset-dxf-preview.is-detail .asset-dxf-frame{height:100%;touch-action:none;cursor:grab}.asset-dxf-preview.is-detail .asset-dxf-frame:active{cursor:grabbing}.asset-dxf-preview.is-compact .asset-dxf-frame{min-height:92px}.asset-dxf-toolbar{position:absolute;top:12px;right:12px;display:flex;align-items:center;gap:6px}.asset-dxf-zoom{min-width:44px;text-align:center;color:var(--ink-3);font-size:12px;font-variant-numeric:tabular-nums}.asset-dxf-hint{position:absolute;left:12px;bottom:10px;margin:0;color:var(--ink-3);font-size:12px}.asset-dxf-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:0 16px;color:var(--ink-3);font-size:12px;text-align:center}.document-asset-block.is-detail .asset-model-toolbar{right:12px}.asset-model-toolbar button,.asset-dxf-toolbar button{display:inline-flex;gap:5px;align-items:center;padding:5px 11px;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--ink-2);font-size:12px;cursor:pointer}.asset-model-toolbar button:hover,.asset-dxf-toolbar button:not(:disabled):hover{border-color:var(--primary);color:var(--primary)}.asset-model-toolbar button[aria-pressed=true]{border-color:var(--primary);background:var(--primary-tint);color:var(--primary)}.asset-model-hint{position:absolute;bottom:8px;left:0;right:0;margin:0;color:var(--ink-3);font-size:11px;text-align:center;pointer-events:none}.asset-preview-skeleton{width:100%;height:100%;min-height:130px;background:linear-gradient(105deg,var(--surface-soft) 28%,var(--card) 40%,var(--surface-soft) 52%);background-size:220% 100%;animation:asset-shimmer 1.4s linear infinite}