.sim-block{margin:1.5rem 0}.sim-frame{position:relative;width:100%;min-height:280px;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--code-bg)}.sim-frame canvas{display:block;width:100%;height:100%}.sim-fallback{padding:1rem;color:var(--secondary)}.post-video{margin:1.5rem 0}.post-video video{display:block;width:100%;max-height:70vh;border:1px solid var(--border);border-radius:8px;background:var(--code-bg)}.post-video figcaption{margin-top:.5rem;color:var(--secondary);font-size:.9rem;text-align:center}