:root{--color-bg:#ffffff;--color-surface:#f6f7f9;--color-border:#dfe3e8;--color-text:#1c2430;--color-text-muted:#5a6676;--color-primary:#1d4ed8;--color-primary-contrast:#ffffff;--color-danger:#b42318;--color-warning:#b25e09;--color-success:#0e7a4d;--font-sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic","Apple SD Gothic Neo",sans-serif;--text-body:15px;--line-height-body:1.7;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:40px;--radius:8px;--touch-target:44px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-body);line-height:var(--line-height-body)}