:root{color-scheme:dark;--bg: #0d1117;--panel: #161b22;--border: #30363d;--text: #c9d1d9;--muted: #8b949e;--accent: #58a6ff;--good: #3fb950;--bad: #f85149;--warn: #d29922}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;background:var(--panel);color:var(--text);border:1px solid var(--border);padding:.4rem .8rem;border-radius:6px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}