/* Desktop category enhancement. No selectors apply at the mobile breakpoint. */
@media (min-width: 992px) {
  #mainNav.dmega-ready { position: relative; }
  #mainNav.dmega-ready .has-subnav:hover .subnav { display: none; }
  #mainNav [data-dmega-category][aria-expanded="true"] { color: var(--color-accent-dark); border-bottom-color: var(--color-accent); }
  #mainNav .dmega { position: absolute; z-index: 70; top: 100%; left: 50%; transform: translateX(-50%); width: min(1120px, calc(100vw - 32px)); max-height: min(560px, var(--dmega-height, 70vh)); overflow: auto; overscroll-behavior: contain; background: #fff; border: 1px solid var(--color-border); border-top: 3px solid var(--color-accent); border-radius: 0 0 var(--radius-lg) var(--radius-lg); box-shadow: var(--shadow-lg); animation: dmega-in 160ms ease-out; }
  #mainNav .dmega-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 24px; border-bottom: 1px solid var(--color-border); }
  #mainNav .dmega-title { font-size: 18px; font-weight: 750; color: var(--color-dark); margin: 0; }
  #mainNav .dmega a { display: flex; gap: 12px; align-items: center; padding: 8px 10px; border: 0; border-radius: 6px; color: var(--color-text); font-size: 14px; font-weight: 500; white-space: normal; line-height: 1.45; text-decoration: none; }
  #mainNav .dmega a:hover { color: #216e6d; background: #edf8f7; }
  #mainNav .dmega a:focus-visible, #mainNav .dmega button:focus-visible { outline: 2px solid #216e6d; outline-offset: 1px; }
  #mainNav .dmega-all { color: #216e6d; font-weight: 650; }
  #mainNav .dmega-columns { display: grid; grid-template-columns: 1fr .8fr 1.45fr; gap: 24px; padding: 20px 24px 24px; min-height: 330px; }
  #mainNav .dmega-column { min-width: 0; }
  #mainNav .dmega-column + .dmega-column { border-left: 1px solid var(--color-border); padding-left: 24px; }
  #mainNav .dmega-column h3 { margin: 0 0 10px; font-size: 14px; color: var(--color-dark); font-weight: 750; }
  #mainNav .dmega-links { max-height: 322px; overflow: auto; scrollbar-width: thin; }
  #mainNav .dmega-product { min-height: 74px; }
  #mainNav .dmega-product img, #mainNav .dmega-image-empty { width: 58px; height: 58px; flex: 0 0 58px; object-fit: contain; background: #f7f9fa; border: 1px solid var(--color-border); border-radius: 6px; }
  #mainNav .dmega-product span:last-child { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
  #mainNav .dmega-note { font-size: 12px; color: #5b6570; margin: 0 0 10px; }
  #mainNav .dmega-state { min-height: 330px; padding: 24px; color: var(--color-text); }
  #mainNav .dmega-retry { border: 1px solid var(--color-border); background: var(--color-bg-soft); color: #216e6d; padding: 10px 16px; border-radius: 6px; margin-top: 12px; }
  @keyframes dmega-in { from { opacity: 0; margin-top: 5px; } to { opacity: 1; margin-top: 0; } }
}
@media (min-width: 992px) and (prefers-reduced-motion: reduce) { #mainNav .dmega { animation: none; } }