/**
 * MMD Hub - Megamenu Module
 * CSS Front Office : Styles pour le megamenu (Desktop + Mobile)
 *
 * @author Nicolas MOREAU
 * Design inspiré de mmdhub_artistlist avec CSS Grid natif
 */

/* =========================
   DESIGN TOKENS
   ========================= */

:root {
  /* Tokens réutilisés de artistlist */
  --mmd-bg: #fff;
  --mmd-text: #1f1f1f;
  --mmd-muted: #777;
  --mmd-border: #ededed;
  --mmd-border-strong: #e6e6e6;
  --mmd-radius: 12px;
  --mmd-radius-sm: 10px;
  --mmd-radius-xs: 6px;
  --mmd-pad: 14px;
  --mmd-gap: 14px;
  --mmd-shadow: 0 4px 12px rgba(0,0,0,.08);
  --mmd-shadow-hover: 0 8px 18px rgba(0,0,0,.12);
  --mmd-link: #0a66c2;
  --mmd-transition: 0.2s ease;
}

/* =========================
   MEGAMENU BASE (Desktop)
   ========================= */

.mmd-megamenu {
  position: relative;
  background: var(--mmd-bg);
  border-bottom: 1px solid var(--mmd-border);
  z-index: 1000;
}

/* Version Desktop uniquement */
.mmd-megamenu-desktop {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  align-items: center;
  justify-content: flex-start;
}

.mmd-megamenu-item {
  position: relative;
}

.mmd-megamenu-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 1rem 1.5rem;
  color: var(--mmd-text);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--mmd-transition), background-color var(--mmd-transition);
  white-space: nowrap;
}

.mmd-megamenu-link:hover {
  color: var(--mmd-link);
  background-color: rgba(10, 102, 194, 0.05);
}

.mmd-megamenu-icon {
  font-size: 1.1em;
  opacity: 0.8;
}

.mmd-megamenu-text {
  font-size: 1rem;
}

.mmd-megamenu-arrow {
  font-size: 0.7em;
  margin-left: 4px;
  opacity: 0.6;
  transition: transform var(--mmd-transition);
  font-style: normal;
}

.mmd-megamenu-item.has-panel:hover .mmd-megamenu-arrow {
  transform: rotate(180deg);
}

.mmd-megamenu-empty {
  padding: 1rem 1.5rem;
  color: var(--mmd-muted);
  font-style: italic;
}

/* =========================
   DROPDOWN SIMPLE (niveau 2 sans panneau)
   ========================= */

.mmd-megamenu-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--mmd-bg);
  border: 1px solid var(--mmd-border);
  border-radius: var(--mmd-radius-xs);
  box-shadow: var(--mmd-shadow);
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--mmd-transition), transform var(--mmd-transition), visibility var(--mmd-transition);
  z-index: 1010;
}

.mmd-megamenu-item:hover > .mmd-megamenu-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mmd-megamenu-dropdown-item {
  margin: 0;
  padding: 0;
}

.mmd-megamenu-dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.75rem 1.25rem;
  color: var(--mmd-text);
  text-decoration: none;
  transition: background-color var(--mmd-transition), color var(--mmd-transition);
}

.mmd-megamenu-dropdown-link:hover {
  background-color: rgba(10, 102, 194, 0.08);
  color: var(--mmd-link);
}

/* =========================
   PANNEAU MEGAMENU (avec colonnes)
   ========================= */

.mmd-megamenu-panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: max-content;
  min-width: 600px;
  max-width: 1200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--mmd-transition), transform var(--mmd-transition), visibility var(--mmd-transition);
  z-index: 1010;
  margin-top: 0;
}

.mmd-megamenu-item:hover > .mmd-megamenu-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mmd-megamenu-panel-inner {
  background: var(--mmd-bg);
  border: 1px solid var(--mmd-border);
  border-radius: var(--mmd-radius-xs);
  box-shadow: var(--mmd-shadow-hover);
  padding: var(--mmd-pad);
}

/* =========================
   CSS GRID - COLONNES
   ========================= */

.mmd-megamenu-columns {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--mmd-gap);
}

/* Layouts prédéfinis */
.mmd-megamenu-columns--2-columns {
  grid-template-columns: repeat(2, 1fr);
}

.mmd-megamenu-columns--3-columns {
  grid-template-columns: repeat(3, 1fr);
}

.mmd-megamenu-columns--4-columns {
  grid-template-columns: repeat(4, 1fr);
}

.mmd-megamenu-columns--2-columns-66-33 {
  grid-template-columns: 2fr 1fr;
}

.mmd-megamenu-column {
  /* Les colonnes utilisent grid-column: span X; directement dans le template */
  min-width: 0; /* Évite overflow */
}

.mmd-megamenu-column-title {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--mmd-text);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--mmd-border-strong);
}

.mmd-megamenu-column-image {
  margin-bottom: 1rem;
  border-radius: var(--mmd-radius-xs);
  overflow: hidden;
}

.mmd-megamenu-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--mmd-transition);
}

.mmd-megamenu-column-image:hover .mmd-megamenu-img {
  transform: scale(1.05);
}

.mmd-megamenu-column-content {
  color: var(--mmd-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

.mmd-megamenu-column-content p {
  margin: 0 0 0.75rem 0;
}

.mmd-megamenu-column-content a {
  color: var(--mmd-link);
  text-decoration: none;
  transition: color var(--mmd-transition);
}

.mmd-megamenu-column-content a:hover {
  text-decoration: underline;
}

.mmd-megamenu-column-content ul,
.mmd-megamenu-column-content ol {
  padding-left: 1.5rem;
  margin: 0 0 0.75rem 0;
}

.mmd-megamenu-column-content li {
  margin-bottom: 0.5rem;
}

/* =========================
   SOUS-ITEMS DANS PANNEAU (footer)
   ========================= */

.mmd-megamenu-panel-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--mmd-border);
}

.mmd-megamenu-subitems {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mmd-megamenu-subitem-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1rem;
  background: rgba(10, 102, 194, 0.05);
  border: 1px solid var(--mmd-border);
  border-radius: var(--mmd-radius-xs);
  color: var(--mmd-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background-color var(--mmd-transition), border-color var(--mmd-transition);
}

.mmd-megamenu-subitem-link:hover {
  background-color: rgba(10, 102, 194, 0.12);
  border-color: var(--mmd-link);
  color: var(--mmd-link);
}

/* =========================
   VERSION MOBILE
   ========================= */

.mmd-megamenu-mobile {
  display: none; /* Caché par défaut, visible sur mobile */
}

.mmd-megamenu-mobile-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 1rem 1.5rem;
  background: var(--mmd-bg);
  border: 1px solid var(--mmd-border);
  border-radius: var(--mmd-radius-xs);
  color: var(--mmd-text);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  transition: background-color var(--mmd-transition);
}

.mmd-megamenu-mobile-toggle:hover {
  background-color: rgba(10, 102, 194, 0.05);
}

.mmd-megamenu-mobile-icon {
  font-size: 1.3em;
}

.mmd-megamenu-mobile-text {
  flex: 1;
  text-align: left;
}

/* Panel mobile (overlay) */
.mmd-megamenu-mobile-panel {
  position: fixed;
  top: 0;
  left: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: var(--mmd-bg);
  box-shadow: var(--mmd-shadow-hover);
  z-index: 2000;
  overflow-y: auto;
  transition: left 0.3s ease;
}

.mmd-megamenu-mobile-panel.is-open {
  left: 0;
}

.mmd-megamenu-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--mmd-border);
  background: rgba(10, 102, 194, 0.05);
}

.mmd-megamenu-mobile-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--mmd-text);
}

.mmd-megamenu-mobile-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--mmd-muted);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--mmd-transition);
}

.mmd-megamenu-mobile-close:hover {
  color: var(--mmd-text);
}

.mmd-megamenu-mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mmd-megamenu-mobile-item {
  border-bottom: 1px solid var(--mmd-border);
}

.mmd-megamenu-mobile-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 1rem 1.5rem;
  color: var(--mmd-text);
  text-decoration: none;
  font-weight: 500;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--mmd-transition);
}

.mmd-megamenu-mobile-link:hover {
  background-color: rgba(10, 102, 194, 0.05);
}

.mmd-megamenu-mobile-expandable {
  justify-content: space-between;
}

.mmd-megamenu-mobile-arrow {
  font-size: 0.8em;
  opacity: 0.6;
  transition: transform var(--mmd-transition);
  font-style: normal;
}

.mmd-megamenu-mobile-expandable[aria-expanded="true"] .mmd-megamenu-mobile-arrow {
  transform: rotate(180deg);
}

/* Collapse mobile */
.mmd-megamenu-mobile-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mmd-megamenu-mobile-collapse.show {
  max-height: 2000px; /* Grande valeur pour le contenu */
}

.mmd-megamenu-mobile-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
  background: rgba(0, 0, 0, 0.02);
}

.mmd-megamenu-mobile-sublist li {
  border-bottom: 1px solid var(--mmd-border);
}

.mmd-megamenu-mobile-sublist li:last-child {
  border-bottom: none;
}

.mmd-megamenu-mobile-sublink {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.875rem 1.5rem 0.875rem 2.5rem;
  color: var(--mmd-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background-color var(--mmd-transition);
}

.mmd-megamenu-mobile-sublink:hover {
  background-color: rgba(10, 102, 194, 0.08);
  color: var(--mmd-link);
}

/* Contenu panneau mobile */
.mmd-megamenu-mobile-panel-content {
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.02);
}

.mmd-megamenu-mobile-column {
  margin-bottom: 1.5rem;
}

.mmd-megamenu-mobile-column:last-child {
  margin-bottom: 0;
}

.mmd-megamenu-mobile-column-title {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--mmd-text);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--mmd-border);
}

.mmd-megamenu-mobile-img {
  width: 100%;
  height: auto;
  border-radius: var(--mmd-radius-xs);
  margin-bottom: 0.75rem;
}

.mmd-megamenu-mobile-content {
  color: var(--mmd-text);
  font-size: 0.9rem;
  line-height: 1.6;
}

.mmd-megamenu-mobile-content p {
  margin: 0 0 0.75rem 0;
}

.mmd-megamenu-mobile-content a {
  color: var(--mmd-link);
  text-decoration: none;
}

.mmd-megamenu-mobile-content a:hover {
  text-decoration: underline;
}

/* Overlay mobile */
.mmd-megamenu-mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mmd-megamenu-mobile-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 768px) {
  /* Masquer version desktop */
  .mmd-megamenu-desktop {
    display: none !important;
  }

  /* Afficher version mobile */
  .mmd-megamenu-mobile {
    display: block;
  }

  .mmd-megamenu {
    padding: 0.75rem 1rem;
  }
}

@media (min-width: 769px) {
  /* Toujours masquer version mobile sur desktop */
  .mmd-megamenu-mobile {
    display: none !important;
  }
}

/* Tablette : ajuster panneau megamenu */
@media (max-width: 1024px) and (min-width: 769px) {
  .mmd-megamenu-panel {
    min-width: 500px;
    max-width: 900px;
  }

  .mmd-megamenu-columns--4-columns {
    grid-template-columns: repeat(2, 1fr);
  }

  .mmd-megamenu-link {
    padding: 0.875rem 1.25rem;
    font-size: 0.95rem;
  }
}

/* =========================
   UTILITAIRES
   ========================= */

.mmd-muted {
  color: var(--mmd-muted);
}

.mmd-card-base {
  background: var(--mmd-bg);
  border: 1px solid var(--mmd-border);
  border-radius: var(--mmd-radius-xs);
  box-shadow: var(--mmd-shadow);
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}