/* ============================================================
     DARK MODE — GLOBAL
     ============================================================ */
     [data-bs-theme="dark"] body.bg {
        background: linear-gradient(135deg, #050e1d 0%, #091525 60%, #040c18 100%) !important;
      }
      [data-bs-theme="dark"] body { color: #c8d6e8; }
    
      [data-bs-theme="dark"] .card {
        background-color: #101c2d !important;
        border-color: #1c2e44 !important;
        color: #c8d6e8 !important;
      }
      [data-bs-theme="dark"] .card-header {
        background-color: #0c1624 !important;
        border-bottom-color: #1c2e44 !important;
        color: #dde8f8 !important;
      }
      [data-bs-theme="dark"] .card-footer {
        background-color: #0c1624 !important;
        border-top-color: #1c2e44 !important;
      }
      [data-bs-theme="dark"] .card-body {
        background-color: #101c2d !important;
      }
      [data-bs-theme="dark"] .card-footer a { color: #5ba3f5 !important; }
      [data-bs-theme="dark"] .text-muted { color: #7a8fa8 !important; }
      [data-bs-theme="dark"] h2, [data-bs-theme="dark"] h5, [data-bs-theme="dark"] h6 { color: #dde8f8 !important; }
      [data-bs-theme="dark"] p { color: #9ab0c8 !important; }
      [data-bs-theme="dark"] .news-item { border-bottom-color: #1c2e44 !important; }
      [data-bs-theme="dark"] .news-item h6 { color: #d0dff0 !important; }
      [data-bs-theme="dark"] .badge.bg-soft-primary {
        background-color: rgba(0,114,255,0.2) !important;
        color: #5ba3f5 !important;
      }
      [data-bs-theme="dark"] .newsletter-book { background: #101c2d !important; }
      [data-bs-theme="dark"] .book-spread img { background: #101c2d !important; }
      [data-bs-theme="dark"] section.py-6 { background-color: #080f1c; }
    
      /* Smooth transitions */
      *, *::before, *::after {
        transition: background-color 0.25s ease, border-color 0.2s ease, color 0.2s ease;
      }