.diff-visualizer .diff-content{display:flex;flex-direction:column;gap:16px}.diff-visualizer .text-input{font-family:var(--teb-font-mono);font-size:13px;line-height:1.55;border-radius:8px;transition:border-color .15s ease;resize:vertical;min-height:200px}.diff-visualizer .ant-upload{margin-top:8px}.diff-visualizer .ant-upload .ant-btn{width:100%;justify-content:center;border-radius:6px;border:2px dashed var(--teb-hairline);background:var(--teb-canvas)}.diff-visualizer .ant-upload .ant-btn:hover{border-color:var(--teb-primary);background:var(--teb-primary-tint);color:var(--teb-primary)}.diff-visualizer .diff-container{background:var(--teb-canvas);border-radius:8px;padding:20px;border:1px solid var(--teb-hairline);max-height:600px;overflow-y:auto;font-family:var(--teb-font-mono);font-size:13px;line-height:1.6}.diff-visualizer .side-by-side-diff{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 768px){.diff-visualizer .side-by-side-diff{grid-template-columns:1fr}}.diff-visualizer .side-by-side-diff .diff-panel{font-family:var(--teb-font-mono);font-size:13px;line-height:1.6;overflow-x:auto}.diff-visualizer .diff-line{padding:2px 8px;border-radius:2px;white-space:pre-wrap;word-break:break-all}.diff-visualizer .diff-line.added{background:#1fb8731f;color:var(--teb-success)}.diff-visualizer .diff-line.removed{background:#e5484d1a;color:var(--teb-error)}.diff-visualizer .diff-line.unchanged{color:var(--teb-ink-muted)}.diff-visualizer .diff-stats{display:flex;gap:16px;padding:12px 16px;background:var(--teb-canvas);border-radius:8px;border:1px solid var(--teb-hairline)}.diff-visualizer .diff-stats .stat-item{display:flex;align-items:center;gap:6px;font-size:13px}@media (max-width: 768px){.diff-visualizer .diff-container{max-height:400px}}