:root{--bg:#f6f6f7;--fg:#111;--muted:#666;--card:#fff;--border:#ddd;--kakao:#fee500;--kakao-fg:#191919;--danger:#c0392b;--ok:#1e7e34}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);margin:0;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,Noto Sans KR,sans-serif;line-height:1.5}main{max-width:720px;margin:0 auto;padding:48px 16px 80px}h1{margin:0 0 8px;font-size:22px}h2{margin:24px 0 8px;font-size:16px}p{margin:6px 0}.muted{color:var(--muted);font-size:13px}.card{background:var(--card);border:1px solid var(--border);border-radius:8px;margin-top:16px;padding:20px}.btn{cursor:pointer;color:var(--fg);background:#e9e9ec;border:0;border-radius:6px;padding:12px 20px;font-size:15px;font-weight:600;text-decoration:none;display:inline-block}.btn:disabled{opacity:.5;cursor:default}.btn.kakao{background:var(--kakao);color:var(--kakao-fg)}.btn.small{padding:6px 12px;font-size:13px}code,pre,textarea,input{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}pre{border:1px solid var(--border);white-space:pre-wrap;word-break:break-all;background:#fafafa;border-radius:6px;margin:8px 0;padding:12px;overflow-x:auto}.kv{grid-template-columns:90px 1fr;align-items:baseline;gap:6px 12px;display:grid}.kv dt{color:var(--muted);font-size:13px}.kv dd{word-break:break-all;margin:0}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}label{color:var(--muted);font-size:13px;display:block}input[type=text]{border:1px solid var(--border);border-radius:6px;width:100%;padding:8px 10px}.error{color:var(--danger)}.ok{color:var(--ok)}