.dxf-page{max-width:1320px;margin:auto;padding:24px 16px 100px;color:var(--text-primary);font-size:14px}.dxf-page *{box-sizing:border-box;min-width:0}.dxf-page button,.dxf-page select{min-width:44px;min-height:44px;border:1px solid var(--border-primary);border-radius:8px;padding:10px 14px;font-size:14px;color:var(--text-primary);background:var(--bg-card);overflow-wrap:anywhere}.dxf-page button:hover:not(:disabled){background:var(--bg-card-hover)}.dxf-page .dxf-primary{background:var(--accent-primary);color:#fff}.dxf-page :disabled{color:var(--text-tertiary);background:var(--bg-secondary);cursor:not-allowed}.dxf-page :is(button,select,input,canvas,a):focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}.dxf-page h2{margin:0 0 8px;font-size:18px;font-weight:600}.dxf-page p{margin:8px 0;line-height:1.6;overflow-wrap:anywhere;color:var(--text-secondary)}.dxf-upload{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;border:1px dashed var(--border-primary);border-radius:12px;padding:20px;background:var(--bg-card)}.dxf-upload>div{flex:1 1 200px}.dxf-examples{margin-top:24px}.dxf-library{padding:16px;border:1px solid var(--border-primary);border-radius:12px;background:var(--bg-card)}.dxf-library h3{font-size:16px;margin:0}.dxf-library-controls{display:flex;align-items:end;flex-wrap:wrap;gap:12px}.dxf-library-controls label{display:grid;gap:8px;flex:1 1 280px}.dxf-library-controls select{width:100%}.dxf-library a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent-primary);overflow-wrap:anywhere}.dxf-options{display:flex;align-items:end;flex-wrap:wrap;gap:16px;margin:20px 0}.dxf-options label{display:grid;gap:8px;flex:0 1 260px}.dxf-options select{width:100%}.dxf-options p{flex:1 1 260px}.dxf-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:16px;align-items:start}.dxf-drawing,.dxf-layers{border:1px solid var(--border-primary);border-radius:12px;overflow:hidden;background:var(--bg-card)}.dxf-drawing>p{padding:4px 16px}.dxf-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:12px;border-bottom:1px solid var(--border-primary)}.dxf-stage{position:relative;height:clamp(320px,55dvh,600px);overflow:hidden}.dxf-canvas{height:100%;width:100%}.dxf-canvas canvas{display:block;max-width:100%;touch-action:none}.dxf-placeholder{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:20px;pointer-events:none}.dxf-layers{padding:16px;max-height:600px;overflow-y:auto}.dxf-layers label{display:flex;align-items:center;gap:10px;min-height:44px;overflow-wrap:anywhere;cursor:pointer}.dxf-layers input{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent-primary)}.dxf-layer-color{width:12px;height:12px;border:1px solid var(--border-primary);border-radius:2px;flex-shrink:0}.dxf-page .dxf-error{color:var(--red-500);border:1px solid var(--red-500);padding:12px;border-radius:8px}.dxf-notes{margin-top:16px;padding:16px;border:1px solid var(--border-primary);border-radius:12px}.dxf-support dl{margin:16px 0 0}.dxf-support dt{margin-top:16px;font-weight:600}.dxf-support dd{margin:6px 0 0;color:var(--text-secondary);line-height:1.7;overflow-wrap:anywhere}.dxf-attribution{margin-top:24px!important}.dxf-attribution a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent-primary)}.dxf-page [data-testid=quick-tour-open]{border-radius:50%;background:var(--accent-primary);color:#fff;padding:0}@media (max-width: 767px){.dxf-layout{grid-template-columns:minmax(0,1fr)}.dxf-layers{max-height:280px}.dxf-options label{flex:1 1 100%}}