/*
 * Navegación responsive con menú hamburguesa.
 * Este archivo se carga después de responsive.css para prevalecer
 * sobre las reglas antiguas que generaban desplazamiento horizontal.
 */

.mobile-nav-checkbox,
.mobile-nav-toggle {
  display: none;
}

.header-bottom-inner {
  overflow: visible;
  scrollbar-width: none;
}

.header-bottom-inner::-webkit-scrollbar {
  display: none;
}

@media (max-width: 760px) {
  .app-header {
    overflow: visible;
  }

  .header-top {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
  }

  .brand {
    min-width: 0;
  }

  .brand-copy {
    min-width: 0;
  }

  .brand-copy > span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-actions {
    gap: 0.45rem;
  }

  .mobile-nav-toggle {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 5px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text);
    background: var(--color-surface);
    transition:
      border-color var(--transition-fast),
      background var(--transition-fast),
      transform var(--transition-fast);
  }

  .mobile-nav-toggle:hover {
    border-color: var(--color-primary);
    transform: translateY(-1px);
  }

  .mobile-nav-toggle span {
    width: 19px;
    height: 2px;
    display: block;
    border-radius: var(--radius-pill);
    background: currentColor;
    transform-origin: center;
    transition:
      transform var(--transition-fast),
      opacity var(--transition-fast);
  }

  .header-bottom {
    max-height: 0;
    overflow: hidden;
    border-top-color: transparent;
    background: color-mix(in srgb, var(--color-surface) 97%, var(--color-secondary));
    opacity: 0;
    visibility: hidden;
    transition:
      max-height 260ms ease,
      opacity 180ms ease,
      visibility 180ms ease,
      border-color 180ms ease;
  }

  .header-bottom-inner {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding-block: 0.75rem 1rem;
    overflow: visible;
  }

  .header-bottom .nav-link {
    width: 100%;
    min-width: 0;
    padding: 0.85rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md, 0.9rem);
  }

  .header-bottom .nav-link:hover,
  .header-bottom .nav-link[aria-current="page"] {
    color: var(--color-primary-text);
    border-color: color-mix(in srgb, var(--color-primary) 72%, transparent);
    background: var(--color-primary);
  }

  .mobile-nav-checkbox:checked ~ .header-bottom {
    max-height: 420px;
    border-top-color: var(--color-border);
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-checkbox:checked ~ .header-top .mobile-nav-toggle {
    color: var(--color-primary-text);
    border-color: var(--color-primary);
    background: var(--color-primary);
  }

  .mobile-nav-checkbox:checked ~ .header-top .mobile-nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-nav-checkbox:checked ~ .header-top .mobile-nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .mobile-nav-checkbox:checked ~ .header-top .mobile-nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 480px) {
  .favorite-button {
    display: none;
  }

  .header-top {
    gap: 0.55rem;
  }

  .brand-logo,
  .brand-mark {
    width: 2.55rem;
    height: 2.55rem;
  }

  .icon-button,
  .mobile-nav-toggle {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }
}