:root{--bg:#0f1115;--surface:#1a1d24;--surface-alt:#22262f;--border:#2c313c;--text:#e8eaed;--text-dim:#9aa1ac;--primary:#4f7cff}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--primary);text-decoration:none}h1,h2,h3{margin:0 0 12px;font-weight:600}.page{max-width:980px;margin:0 auto;padding:24px 20px 60px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:16px;padding:18px 20px}.text-dim{color:var(--text-dim);font-size:13px}