:root{--bg: #f5f6f8;--surface: #ffffff;--text: #1c1d21;--muted: #7a7f8a;--border: #e3e5ea;--accent: #4f6bed;--accent-text: #ffffff;--user-bubble: #4f6bed;--user-text: #ffffff;--bot-bubble: #ffffff;--chip: #e6eaff;--chip-text: #2f45b5;--sun: #e5484d;--sat: #3e7bd6;--danger: #e5484d;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #121316;--surface: #1d1f24;--text: #ecedf0;--muted: #8d929c;--border: #2d3037;--accent: #7088ff;--user-bubble: #4f6bed;--bot-bubble: #1d1f24;--chip: #2a3260;--chip-text: #c9d2ff;--sun: #ff6b6f;--sat: #6aa1ff;color-scheme:dark}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,Noto Sans 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