/**
 * Planète Jeunesse v2 - Navigation Component
 * Menu principal et navigation
 */

/* =====================================================
   NAVIGATION PRINCIPALE
   ===================================================== */

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

/* =====================================================
   MENU ITEMS
   ===================================================== */

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu__item {
  position: relative;
}

.nav-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

/* Reset button appearance */
button.nav-menu__link {
  appearance: none;
  -webkit-appearance: none;
}

.nav-menu__link:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu__link.is-active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.nav-menu__link.is-active:hover {
  background-color: var(--color-primary-dark);
}

/* Icône dropdown */
.nav-menu__link .icon-chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.nav-menu__item:hover .nav-menu__link .icon-chevron,
.nav-menu__item.is-open .nav-menu__link .icon-chevron {
  transform: rotate(180deg);
}

/* =====================================================
   DROPDOWN MENU
   ===================================================== */

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: var(--space-2);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
  list-style: none;
  margin: 0;
}

.nav-menu__item:hover .nav-dropdown,
.nav-menu__item.is-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__item {
  display: block;
}

.nav-dropdown__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown__link:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-dropdown__divider {
  height: 1px;
  margin: var(--space-2) 0;
  background-color: var(--color-border-light);
}

/* =====================================================
   SEARCH FORM IN NAV
   ===================================================== */

.nav-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-search__input {
  width: 200px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  background-color: var(--color-bg-secondary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), width var(--transition-normal);
}

.nav-search__input:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-bg-primary);
  width: 260px;
}

.nav-search__input::placeholder {
  color: var(--color-text-muted);
}

.nav-search__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-search__btn:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
}

.nav-search__btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.nav-search__btn:active {
  transform: scale(0.95);
}

.nav-search__btn svg {
  width: 16px;
  height: 16px;
}

/* jQuery UI autocomplete dropdown - au-dessus du header sticky */
.ui-autocomplete.ui-front {
  z-index: var(--z-fixed);
}

/* Cacher la recherche sur tablette (visible dans le menu mobile) */
@media (min-width: 768px) and (max-width: 991px) {
  .main-nav:not(.is-open) .nav-search {
    display: none;
  }
}

/* =====================================================
   MOBILE NAVIGATION - Design Moderne Plein Écran
   ===================================================== */

@media (max-width: 991px) {
  .main-nav {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: 100%;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 100px var(--space-6) var(--space-6);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.4s;
    z-index: var(--z-fixed);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Effet de pattern subtil en arrière-plan */
  .main-nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
  }

  .nav-menu {
    position: relative;
    z-index: 1;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 400px;
    gap: var(--space-2);
  }

  .nav-menu__item {
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  /* Animation en cascade des items */
  .main-nav.is-open .nav-menu__item {
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav.is-open .nav-menu__item:nth-child(1) { transition-delay: 0.1s; }
  .main-nav.is-open .nav-menu__item:nth-child(2) { transition-delay: 0.15s; }
  .main-nav.is-open .nav-menu__item:nth-child(3) { transition-delay: 0.2s; }
  .main-nav.is-open .nav-menu__item:nth-child(4) { transition-delay: 0.25s; }
  .main-nav.is-open .nav-menu__item:nth-child(5) { transition-delay: 0.3s; }
  .main-nav.is-open .nav-menu__item:nth-child(6) { transition-delay: 0.35s; }
  .main-nav.is-open .nav-menu__item:nth-child(7) { transition-delay: 0.4s; }

  .nav-menu__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  }

  .nav-menu__link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .nav-menu__link.is-active {
    background: linear-gradient(135deg, var(--color-primary), #c62828);
    color: #ffffff;
  }

  /* Icône chevron pour dropdown */
  .nav-menu__link .icon-chevron {
    width: 16px;
    height: 16px;
    stroke: #ffffff;
    transition: transform 0.3s ease;
  }

  .nav-menu__item.is-open .nav-menu__link .icon-chevron {
    transform: rotate(180deg);
  }

  /* Dropdown mobile moderne */
  .nav-dropdown {
    position: static;
    min-width: auto;
    width: 100%;
    padding: 0;
    margin-top: var(--space-2);
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, max-height 0.4s ease, visibility 0.3s;
    transform: none;
  }

  .nav-menu__item.is-open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
    padding: var(--space-2);
  }

  .nav-dropdown__link {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    border-radius: var(--radius-md);
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-dropdown__link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
  }

  /* Search mobile moderne */
  .nav-search {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease 0.4s, transform 0.3s ease 0.4s;
  }

  .main-nav.is-open .nav-search {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-search__input {
    flex: 1;
    width: auto;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
  }

  .nav-search__input::placeholder {
    color: rgba(255, 255, 255, 0.6);
  }

  .nav-search__input:focus {
    width: auto;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
  }

  .nav-search__btn {
    background: linear-gradient(135deg, var(--color-primary), #c62828);
  }

  .nav-search__btn:hover {
    background: linear-gradient(135deg, #c62828, var(--color-primary));
  }
}

/* Tablet breakpoint - ajustements */
@media (max-width: 767px) {
  .main-nav {
    padding: 80px var(--space-4) var(--space-4);
  }

  .nav-menu__link {
    padding: var(--space-3) var(--space-4);
    font-size: 1.1rem;
  }

  .nav-dropdown__link {
    font-size: 0.95rem;
  }
}

/* =====================================================
   ALPHABET NAVIGATION (pour encyclopédie)
   ===================================================== */

.alphabet-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-4);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.alphabet-nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.alphabet-nav__link:hover {
  background-color: var(--color-bg-primary);
  color: var(--color-primary);
  text-decoration: none;
}

.alphabet-nav__link.is-active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.alphabet-nav__link.is-disabled {
  color: var(--color-text-light);
  cursor: not-allowed;
}

.alphabet-nav__link.is-disabled:hover {
  background: none;
  color: var(--color-text-light);
}

/* =====================================================
   TABS NAVIGATION
   ===================================================== */

.tabs-nav {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.tabs-nav__item {
  flex: 1;
}

.tabs-nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tabs-nav__link:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.tabs-nav__link.is-active {
  background-color: var(--color-bg-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 575px) {
  .tabs-nav {
    flex-wrap: wrap;
  }

  .tabs-nav__item {
    flex: 0 0 calc(50% - var(--space-1));
  }
}

/* =====================================================
   CATEGORY FILTER
   ===================================================== */

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.category-filter__btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-filter__btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.category-filter__btn.is-active {
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
}