:root{--bg:#0d1117;--bg-panel:#161b22;--bg-panel-light:#1f242d;--text:#c9d1d9;--accent:#2f81f7;--danger:#f85149;--success:#3fb950;--warning:#d29922;--border:#30363d;--muted:#8b949e;--shadow-soft:0 1px 0 #0104091a,0 8px 24px #01040966;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji}:root[data-theme=github-light]{--bg:#f6f8fa;--bg-panel:#fff;--bg-panel-light:#f0f3f6;--text:#1f2328;--accent:#0969da;--danger:#cf222e;--success:#1a7f37;--warning:#9a6700;--border:#d0d7de;--muted:#656d76;--shadow-soft:0 1px 0 #1b1f240a,0 8px 24px #8c959f33}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);min-height:100vh;margin:0;padding:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--bg-panel-light);color:var(--text);border-radius:6px;padding:.35rem .75rem;transition:background .15s,border .15s,color .15s}button:disabled{cursor:not-allowed;opacity:.6}.muted{color:var(--muted);letter-spacing:.1em;text-transform:uppercase}#__next{min-height:100vh}