:root{font-family:system-ui,sans-serif;color:#1f2937;background:#f3f4f6}body{margin:0}main{max-width:640px;margin:48px auto;padding:0 16px}.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 1px 3px #0000001a;margin-bottom:16px}h1{margin:0 0 4px;font-size:24px;display:flex;align-items:center;gap:12px}h1 img{width:36px;height:36px}p.muted{color:#6b7280;margin:0 0 16px}.muted{color:#6b7280}button,a.button{background:#1d4ed8;color:#fff;border:0;border-radius:8px;padding:10px 16px;font-size:15px;cursor:pointer;text-decoration:none;display:inline-block}button.secondary,a.button.secondary{background:#e5e7eb;color:#1f2937}.row{display:flex;gap:8px;flex-wrap:wrap}ul{padding-left:20px}code{background:#f3f4f6;padding:2px 6px;border-radius:4px;font-size:13px}.error{color:#b91c1c}button .icon{width:16px;height:16px;vertical-align:-3px;margin-right:4px}