:root{--bg: #0d0f13;--bg-elev: #161a21;--bg-elev-2: #1e232c;--line: #2a303b;--text: #e8ebf0;--muted: #8a93a3;--accent: #ff3b2f;--accent-2: #ffb400;--go: #39d353;--radius: 10px;--maxw: 1200px;color-scheme:dark}:root[data-theme=light]{--bg: #f4f5f7;--bg-elev: #ffffff;--bg-elev-2: #eef0f4;--line: #d9dce3;--text: #15181d;--muted: #5c6472;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}code{font-family:ui-monospace,SF Mono,Menlo,monospace;background:var(--bg-elev-2);padding:1px 6px;border-radius:5px;font-size:.9em}.app-shell{min-height:100%;display:flex;flex-direction:column}.content{width:100%;max-width:var(--maxw);margin:0 auto;padding:24px 16px;flex:1}.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--bg-elev);border-bottom:1px solid 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var(--line);color:var(--text);border-radius:8px;padding:9px 12px;font:inherit}.footer{border-top:1px solid var(--line);padding:18px 16px;text-align:center;color:var(--muted);font-size:.82em}