@media screen and (min-width: 1220px) {

  /* ===== Botón "Explorar" ===== */
  .dd-menu-button {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .55rem 1.1rem;
    margin: .2rem 0;
    background: rgba(255, 255, 255, .08);
    color: var(--md-primary-bg-color);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 8px;
    font: inherit;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .01em;
    cursor: pointer;
    transition: all .2s ease;
    backdrop-filter: blur(6px);
  }
  .dd-menu-button:hover,
  .dd-menu-button.is-active {
    background: rgba(255, 255, 255, .18);
    border-color: rgba(255, 255, 255, .55);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
  }
  .dd-menu-icon { font-size: 1.05rem; line-height: 1; }
  .dd-menu-arrow {
    font-size: .65em;
    opacity: .8;
    transition: transform .2s;
  }
  .dd-menu-button.is-active .dd-menu-arrow { transform: rotate(180deg); }

  /* ===== Panel mega-menú ===== */
  .dd-mega-panel {
    position: fixed;
    max-height: 82vh;
    background: var(--md-default-bg-color);
    background: color-mix(in srgb, var(--md-default-bg-color) 92%, transparent);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 14px;
    box-shadow:
      0 24px 60px rgba(0, 0, 0, .22),
      0 4px 12px rgba(0, 0, 0, .08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(.98);
    transition:
      opacity .22s cubic-bezier(.16, 1, .3, 1),
      transform .22s cubic-bezier(.16, 1, .3, 1),
      visibility 0s .22s;
    z-index: 9999;
    pointer-events: none;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .dd-mega-panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    transition:
      opacity .22s cubic-bezier(.16, 1, .3, 1),
      transform .22s cubic-bezier(.16, 1, .3, 1);
    pointer-events: auto;
  }

  /* ===== Cabecera del panel ===== */
  .dd-mega-header {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .9rem 1.25rem;
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    background: color-mix(in srgb, var(--md-default-bg-color) 85%, var(--md-primary-fg-color) 15%);
    flex-shrink: 0;
  }
  .dd-mega-title-bar {
    font-size: .95rem;
    font-weight: 700;
    color: var(--md-primary-fg-color);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: .4rem;
  }
  .dd-mega-search-wrap {
    flex: 1;
    position: relative;
    min-width: 0;
  }
  .dd-mega-search {
    width: 100%;
    padding: .5rem .75rem .5rem 2.1rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    font-size: .78rem;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
  }
  .dd-mega-search:focus {
    border-color: var(--md-primary-fg-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-primary-fg-color) 20%, transparent);
  }
  .dd-mega-search-icon {
    position: absolute;
    left: .65rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: .85rem;
    opacity: .55;
    pointer-events: none;
  }
  .dd-mega-close {
    background: transparent;
    border: 1px solid var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color--light);
    width: 2rem;
    height: 2rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all .15s;
  }
  .dd-mega-close:hover {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
  }

  /* ===== Grid de secciones ===== */
  .dd-mega-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 1rem 0;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
  }

  .dd-mega-section {
    min-width: 0;
    padding: .25rem 1.1rem;
    border-right: 1px solid var(--md-default-fg-color--lightest);
    opacity: 0;
    transform: translateY(6px);
    animation: ddFadeIn .35s cubic-bezier(.16, 1, .3, 1) forwards;
  }
  .dd-mega-section:nth-child(4n) { border-right: none; }
  .dd-mega-section:nth-child(4n+1) { animation-delay: .02s; }
  .dd-mega-section:nth-child(4n+2) { animation-delay: .05s; }
  .dd-mega-section:nth-child(4n+3) { animation-delay: .08s; }
  .dd-mega-section:nth-child(4n)   { animation-delay: .11s; }

  @keyframes ddFadeIn {
    to { opacity: 1; transform: translateY(0); }
  }

  .dd-mega-title {
    display: block;
    font-size: .82rem;
    font-weight: 700;
    color: var(--md-primary-fg-color);
    text-decoration: none;
    padding: .35rem 0;
    margin-bottom: .4rem;
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color .15s;
  }
  a.dd-mega-title:hover { color: var(--md-accent-fg-color); }

  .dd-mega-sub {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 42vh;
    overflow-y: auto;
    scrollbar-width: thin;
  }
  .dd-mega-sub li { margin: 0; }
  .dd-mega-sub a {
    display: block;
    padding: .28rem .5rem;
    margin: 0 -.35rem;
    font-size: .74rem;
    line-height: 1.4;
    color: var(--md-default-fg-color--light);
    text-decoration: none;
    border-radius: 5px;
    border-left: 2px solid transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all .12s ease;
  }
  .dd-mega-sub a:hover {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-primary-fg-color);
    border-left-color: var(--md-primary-fg-color);
    padding-left: .7rem;
  }
  .dd-mega-sub a.is-current {
    background: color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
    color: var(--md-primary-fg-color);
    border-left-color: var(--md-primary-fg-color);
    font-weight: 600;
  }

  /* Estado "sin resultados" */
  .dd-mega-empty {
    grid-column: 1 / -1;
    padding: 2rem;
    text-align: center;
    color: var(--md-default-fg-color--light);
    font-size: .85rem;
  }

  /* Scrollbar fina */
  .dd-mega-grid::-webkit-scrollbar,
  .dd-mega-sub::-webkit-scrollbar { width: 6px; }
  .dd-mega-grid::-webkit-scrollbar-thumb,
  .dd-mega-sub::-webkit-scrollbar-thumb {
    background: var(--md-default-fg-color--lightest);
    border-radius: 3px;
  }

  /* Responsive: 3 columnas en pantallas medianas */
  @media (max-width: 1600px) {
    .dd-mega-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .dd-mega-section:nth-child(4n) { border-right: 1px solid var(--md-default-fg-color--lightest); }
    .dd-mega-section:nth-child(3n) { border-right: none; }
  }
}
@media screen and (max-width: 1219px) {
  .dd-menu-button,
  .dd-mega-panel {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }
}