/* =========================================================
   SURAJ SHIKSHA — CENTRAL DESIGN TOKENS
   Warm Sunlight, Ivory Cream, Sun Gold, Deep Navy
========================================================= */
:root {
  /* Base Surfaces */
  --bg-primary: #FFFDF7;        /* Warm Ivory */
  --bg-secondary: #FFF8E7;      /* Soft Butter Cream */
  --bg-surface: #FFFFFF;        /* Clean White */
  --bg-card: #FFFFFF;
  --bg-card-soft: #FBF7ED;
  
  /* Brand Accent Colors */
  --yellow-brand: #FFD93D;      /* Vibrant Brand Yellow */
  --gold-sun: #F5B700;          /* Sun Gold */
  --gold-warm: #E6A700;
  --gold-glow: rgba(245, 183, 0, 0.28);
  
  /* Deep Contrast & Text */
  --navy-deep: #172554;         /* Primary Typography & Headings */
  --navy-body: #1E293B;         /* Body Text */
  --navy-muted: #64748B;        /* Secondary & Supporting Text */
  --navy-dim: #94A3B8;          /* Dim Text / Borders */
  
  /* Vibrant Accents */
  --teal: #14B8A6;
  --teal-soft: #CCFBF1;
  --sky: #38BDF8;
  --sky-soft: #E0F2FE;
  --purple: #8B5CF6;
  --purple-soft: #F3E8FF;
  --orange: #F97316;
  --orange-soft: #FFEDD5;

  /* 4 Core Study Kit Categories Identity Colors */
  --res-ws-bg: #FEF9C3;         --res-ws-border: #FDE047;     --res-ws-text: #854D0E;
  --res-book-bg: #FEF3C7;       --res-book-border: #FDE68A;   --res-book-text: #92400E;
  --res-notes-bg: #E0F2FE;      --res-notes-border: #BAE6FD;  --res-notes-text: #0369A1;
  --res-paper-bg: #F3E8FF;      --res-paper-border: #E9D5FF;  --res-paper-text: #6B21A8;

  /* Borders & Shadows */
  --border-subtle: #E2D9C8;
  --border-light: #EFE8DA;
  --shadow-sm: 0 2px 8px rgba(23, 37, 84, 0.04);
  --shadow-md: 0 8px 24px rgba(23, 37, 84, 0.08);
  --shadow-lg: 0 16px 40px rgba(23, 37, 84, 0.1);
  --shadow-gold: 0 8px 25px rgba(245, 183, 0, 0.35);

  /* Geometry */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Layout */
  --nav-height: 80px;
  --nav-height-mobile: 66px;
}