@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--bg:#f6f7f9;--card:#fff;--line:#e3e6ea;--ink:#1f2430;--muted:#6b7280;--ready:#1f7a4d;--warn:#b45309;--alert:#b23129;--accent:#2f4f7f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:IBM Plex Sans KR,-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.6}code,.mono{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:.92em}.app{max-width:900px;margin:0 auto;padding:24px 18px 64px}header h1{letter-spacing:-.4px;margin:0;font-size:26px}header .sub{color:var(--muted);margin:4px 0 20px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:14px;padding:18px 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