:root{--manic-cyan:#00c8e0;--manic-magenta:#e0287f}pre code{font-size:0.92em}.manic-video{position:relative;width:100%;max-width:720px;aspect-ratio:16/9;margin:1.2em 0;border-radius:10px;overflow:hidden}.manic-video:empty{display:flex;align-items:center;justify-content:center;border:1px dashed #4a5a75;background:repeating-linear-gradient(45deg,#1116 0 12px,#0000 12px 24px),linear-gradient(135deg,#10202e,#171029);color:#8ea3bd;font:500 15px/1.4 ui-monospace,monospace}.manic-video:empty::after{content:"▶  demo video — coming soon";letter-spacing:0.03em}.manic-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.watch{color:var(--manic-magenta);font-weight:600;margin:1.4em 0 0.2em}