:root{--bg:#f6f6f4;--fg:#1a1a1a;--muted:#6b6b6b;--card:#ffffff;--border:#e5e5e2;--accent:#ff9f1c;--accent-fg:#1a1a1a}@media (prefers-color-scheme:dark){:root{--bg:#141414;--fg:#f2f2f2;--muted:#a0a0a0;--card:#1e1e1e;--border:#2a2a2a;--accent:#ff9f1c;--accent-fg:#1a1a1a}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5}a{color:inherit}.container{max-width:960px;margin:0 auto;padding:32px 24px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px}.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-fg);border:none;border-radius:8px;padding:12px 20px;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none}.btn-primary:hover{filter:brightness(.95)}.btn-secondary{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:8px 14px;font-size:14px;cursor:pointer;text-decoration:none}.muted{color:var(--muted)}