/* Passion: 선명한 Red·Crimson·Burgundy 중심의 강렬한 Theme */
:root {
  --bg: #fff4f3;
  --surface: #fffdfc;
  --surface-soft: #ffebe9;
  --text: #3d2025;
  --muted: #78585d;
  --border: #efc8c7;
  --brand: #d92736;
  --brand-dark: #991c2b;
  --navy: #5c1e31;
  --coral: #ff604f;
  --coral-soft: #ffe8e4;
  --gold: #e19a20;
  --gold-soft: #fff2cf;
  --violet: #a8326d;
  --violet-soft: #fbe7f2;
  --blue: #6552ad;
  --blue-soft: #eeeaff;
  --mint: #298f82;
  --mint-soft: #e3f7f2;
  --page-glow-1: rgb(230 39 55 / 22%);
  --page-glow-2: rgb(153 28 71 / 18%);
  --site-header-background: linear-gradient(105deg, #b41425, #d52a32 50%, #741d3d);
  --hero-background:
    radial-gradient(circle at 85% 14%, rgb(255 153 130 / 28%) 0 5.3rem, transparent 5.4rem),
    radial-gradient(circle at 91% 17%, transparent 0 8.3rem, rgb(255 255 255 / 15%) 8.4rem 8.5rem, transparent 8.6rem),
    linear-gradient(126deg, #ed3b32 0%, #d51f31 39%, #a91d3f 70%, #651d3f 112%);
  --toc-background: linear-gradient(135deg, #fff0e8, #ffe3e5 52%, #f8e3ee);
  --flow-background: linear-gradient(135deg, #fff0e7, #ffe4e2 48%, #f9e5f0);
  --code-background: linear-gradient(145deg, #351b24, #501c2b);
  --table-header-background: linear-gradient(110deg, #d92b30, #b51e3e 58%, #711d44);
  --previous-background: linear-gradient(135deg, #fff0df, #ffe2de);
  --next-background: linear-gradient(135deg, #ffe1e3, #f7e1ed);
}