:root{color-scheme:light;--bg:#fafaf9;--fg:#1c1c1c;--muted:#6b6b6b;--accent:#2563eb;--border:#e5e5e5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}main{max-width:760px;margin:0 auto;padding:3rem 1.5rem}a{color:var(--accent)}.btn{display:inline-block;background:var(--accent);color:white;padding:.75rem 1.5rem;border-radius:6px;border:none;font-size:1rem;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}input[type=email]{padding:.65rem .85rem;border:1px solid var(--border);border-radius:6px;font-size:1rem;width:100%;max-width:320px}.question-card{border:1px solid var(--border);border-radius:8px;padding:1.25rem 1.5rem;margin-bottom:1rem}.tag{display:inline-block;font-size:.75rem;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:.15rem .6rem;margin-right:.4rem}pre{background:#1c1c1c;color:#f5f5f5;padding:1rem;border-radius:6px;overflow-x:auto}