:root{--bg: #0f1217;--panel: #171b22;--border: #262c36;--text: #e6e9ef;--muted: #8b94a3;--green: #3fb950;--amber: #d29922;--red: #f85149;--blue: #58a6ff;color-scheme:dark}:root[data-theme=light]{--bg: #f6f8fa;--panel: #ffffff;--border: #d0d7de;--text: #1f2328;--muted: #656d76;--green: #1a7f37;--amber: #9a6700;--red: #cf222e;--blue: #0969da;color-scheme:light}body{margin:0;background:var(--bg);color:var(--text)}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--blue);outline-offset:2px}button:hover{filter:brightness(1.12)}