/* Design tokens — Kho Số EDMS (blue institutional palette, per mockup) */
:root {
  /* Brand blues */
  --blue-950: #081c46;
  --blue-900: #0b2a63;  /* display headings */
  --blue-800: #12357f;
  --blue-700: #1b4dab;  /* primary action */
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-200: #c7ddff;
  --blue-100: #e6efff;
  --blue-50:  #f2f7ff;

  /* Semantic status */
  --green-700: #15803d;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-100: #dcfce7;
  --red-600:   #dc2626;
  --red-500:   #ef4444;
  --red-100:   #fee2e2;

  /* Module accents */
  --purple-500: #8b5cf6; --purple-100: #ede9fe;
  --orange-500: #f59e0b; --orange-100: #fef3c7;
  --cyan-500:   #06b6d4; --cyan-100:   #cffafe;
  --rose-500:   #f43f5e; --rose-100:   #ffe4e6;

  /* Neutrals */
  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-400: #94a3b8;
  --line:    #e2e8f0;
  --line-soft: #eef2f7;
  --surface-page: #ffffff;
  --surface-soft: #f8fafc;
  --surface-tint: #f2f7ff;
  --white: #ffffff;

  /* Typography */
  --font-sans: 'Be Vietnam Pro', 'DM Sans', ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-caption: 12px;    --leading-caption: 1.6;
  --text-body: 15px;       --leading-body: 1.6;
  --text-body-lg: 17px;    --leading-body-lg: 1.6;
  --text-subheading: 19px; --leading-subheading: 1.4;
  --text-heading-sm: 28px; --leading-heading-sm: 1.35;
  --text-heading: 38px;    --leading-heading: 1.25;
  --text-display: 56px;    --leading-display: 1.14;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing */
  --spacing-4: 4px;   --spacing-8: 8px;   --spacing-12: 12px;
  --spacing-16: 16px; --spacing-20: 20px; --spacing-24: 24px;
  --spacing-28: 28px; --spacing-32: 32px; --spacing-40: 40px;
  --spacing-48: 48px; --spacing-64: 64px; --spacing-80: 80px;

  /* Layout */
  --page-max-width: 1180px;
  --section-gap: 80px;
  --card-padding: 24px;

  /* Radii — moderate rounding, per mockup */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Soft elevation */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lift: 0 4px 10px rgba(15, 23, 42, 0.06), 0 18px 40px rgba(15, 23, 42, 0.10);
  --shadow-blue: 0 6px 18px rgba(27, 77, 171, 0.28);
}