:root {
  /* EduNudge flagship palette — calm, modern, education-first */
  --brand-plum: #37204f;
  --brand-plum-deep: #251535;
  --brand-plum-soft: #5f4774;
  --brand-cyan: #16a6ba;
  --brand-cyan-deep: #0b8194;
  --brand-cyan-soft: #dff7fa;

  /* Backwards-compatible aliases used by existing templates */
  --brand-purple: var(--brand-plum);
  --brand-purple-dark: var(--brand-plum-deep);
  --brand-purple-light: #705887;
  --brand-amber: var(--brand-cyan);
  --brand-amber-dark: var(--brand-cyan-deep);

  /* Subject accents — semantic markers only */
  --social-science: #b65a78;
  --math: #6757a8;
  --math-dark: #51438d;
  --science: #3b8390;
  --science-dark: #2d6b76;

  /* Surfaces */
  --bg-dark: #f7f8fb;
  --bg-darker: #f0f2f6;
  --bg-card: #ffffff;
  --bg-card-hover: #fbfcfe;
  --bg-tertiary: #eef2f6;

  /* Text */
  --text-primary: #17212f;
  --text-secondary: #526174;
  --text-tertiary: #718095;
  --text-muted: #8793a3;

  /* Borders */
  --border-subtle: #e6eaf0;
  --border-medium: #d9e0e8;
  --border-strong: #c6d0dc;

  /* Feedback */
  --success: #18835f;
  --success-dark: #12664a;
  --error: #c84d5d;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 10px rgba(24, 34, 49, 0.06);
  --shadow-md: 0 8px 28px rgba(24, 34, 49, 0.08);
  --shadow-lg: 0 16px 45px rgba(24, 34, 49, 0.10);
  --shadow-xl: 0 28px 70px rgba(24, 34, 49, 0.14);
  --shadow-glow-purple: 0 12px 36px rgba(55, 32, 79, 0.12);
  --shadow-glow-science: 0 12px 36px rgba(22, 166, 186, 0.13);
  --shadow-glow-social: 0 12px 36px rgba(182, 90, 120, 0.10);

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --container-xl: 1180px;
}