:root{color-scheme:dark}body{font-family:system-ui,sans-serif;background:#101820;color:#ecf3f7;max-width:960px;margin:auto;padding:24px}h1{font-size:28px}section{background:#1c2935;border:1px solid #344552;border-radius:14px;padding:20px;margin:16px 0}button,input{font:inherit;padding:12px;border-radius:8px;border:1px solid #647685;margin:4px}button{background:#235b6a;color:white;cursor:pointer}button.stop{background:#963a43}input{max-width:90%;background:#101820;color:white}pre{white-space:pre-wrap;word-break:break-word;font-size:13px}small{color:#b6cad6}.pill{padding:6px 12px;background:#403f20;border-radius:20px}a{color:#91d9f4}