:root{--bg: #f6f7f9;--surface: #ffffff;--text: #1c2128;--muted: #59636e;--line: #d8dee4;--accent: #1f6feb;--accent-soft: #ddebff;--ok: #1a7f37;--bad: #cf222e;--warn: #9a6700;--warn-soft: #fff8c5;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0d1117;--surface: #161b22;--text: #e6edf3;--muted: #9198a1;--line: #30363d;--accent: #4493f8;--accent-soft: #12325c;--ok: #3fb950;--bad: #f85149;--warn: #d29922;--warn-soft: #3b2e05;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Apple SD Gothic Neo,Noto Sans KR,sans-serif;font-size:16px;line-height:1.5}h1,h2,h3{margin:0 0 8px;line-height:1.3}h2{font-size:1.15rem}h3{font-size:1.02rem}button,input,select,textarea{font:inherit;color:inherit}button{min-height:40px;padding:6px 14px;border:1px solid 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