.diff-tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.diff-input-card,.diff-output-card,.diff-preview-card{background:#fff;border:1px solid #dbe3ee;border-radius:12px;min-width:0;box-shadow:0 1px 2px rgba(15,23,42,.04)}.diff-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 11px;border-bottom:1px solid #e5e7eb}.diff-card-foot{padding:6px 11px;border-top:1px solid #e5e7eb}.diff-editor{display:block;width:100%;height:115px;resize:vertical;box-sizing:border-box;border:0;padding:9px;font:12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;background:#0f172a;color:#e2e8f0;outline:none}.diff-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:9px 0}.diff-result-grid{display:grid;grid-template-columns:1fr;gap:12px;align-items:stretch}.diff-output-card{min-height:480px}.diff-output{display:block;width:100%;height:450px;box-sizing:border-box;resize:vertical;border:0;border-radius:0 0 12px 12px;padding:14px;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;background:#0b1220;color:#dbeafe;outline:none;white-space:pre-wrap;overflow:auto}.diff-preview-card{min-height:500px}.diff-preview-controls{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.diff-preview-shell{height:455px;margin:10px;border:1px solid #cbd5e1;border-radius:10px;overflow:auto;background:#e2e8f0;padding:10px}.diff-preview-frame{display:block;width:100%;height:100%;min-height:420px;border:0;background:#fff;transform-origin:top left}.diff-legend{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:9px;font-size:12px;color:#64748b}.diff-added-sample{background:#99FF99;color:#000;border-radius:4px;padding:4px 7px}.diff-removed-sample{background:#dc2626;color:#fff;text-decoration:line-through;border-radius:4px;padding:4px 7px}.success-status{color:#15803d!important}@media(max-width:1000px){.diff-tool-layout{grid-template-columns:1fr}.diff-editor{height:120px}.diff-output{height:380px}.diff-preview-shell{height:400px}}@media(max-width:650px){.diff-editor{height:140px}.diff-actions .btn{width:100%}.diff-preview-controls{width:100%}.diff-preview-shell{height:330px;margin:8px}.diff-preview-frame{min-height:300px}}