:root{color-scheme:dark;font:16px system-ui;background:#101923;color:#f1f5f9}main{max-width:1000px;margin:auto;padding:1rem}label{display:block;margin:1rem 0}input,button,select{font:inherit;padding:.6rem}input[type=password],input[type=text]{max-width:90%}button{background:#10b981;color:#071c19;border:0;border-radius:4px}#videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}figure{margin:0}video{width:100%;background:black;aspect-ratio:16/9}figcaption{padding:.5rem}pre{white-space:pre-wrap}a{color:#6ee7b7}