/**
 * components/header.css
 *
 * Header global : logo, navigation principale, bouton panier.
 * Mobile first : burger + panneau déroulant sous le header ;
 * la navigation passe en ligne à partir de --breakpoint-lg (1024px).
 * Tokens uniquement (design-system.md) — aucune valeur improvisée.
 */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky-header);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
}

/* --- Logo (texte provisoire, remplacé avec la DA définitive) --- */

.site-logo {
  flex: 1;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  transition: color var(--duration-fast) var(--ease-standard);
  /* Zone tactile 44px (design-system.md, section 9) */
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  /* Le nom du restaurant ne se coupe JAMAIS (défaut vu à l'audit
     aux largeurs intermédiaires) */
  white-space: nowrap;
}

.site-logo:hover {
  color: var(--color-accent-yellow);
}

.site-logo__dot {
  color: var(--color-accent-yellow);
}

/* --- Burger (mobile uniquement) --- */

.nav-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}

.nav-toggle__bar {
  width: 20px;
  height: 2px;
  border-radius: var(--radius-full);
  background-color: var(--color-text-primary);
  transition: transform var(--duration-base) var(--ease-standard),
              opacity var(--duration-base) var(--ease-standard);
}

/* Burger → croix (transform/opacity uniquement, 60 FPS) */
.nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Navigation principale --- */

/* Mobile : panneau sous le header, replié par défaut */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-bg-surface-raised);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(-8px);
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out-soft),
              transform var(--duration-base) var(--ease-out-soft),
              visibility 0s linear var(--duration-base);
}

.site-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  transition-delay: 0s;
}

.site-nav__list {
  list-style: none;
  padding: var(--space-3) var(--space-4);
}

.site-nav__list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-standard),
              background-color var(--duration-fast) var(--ease-standard);
}

.site-nav__list a:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface);
}

.site-nav__list .current-menu-item > a,
.site-nav__list .current_page_item > a {
  color: var(--color-accent-yellow);
}

/* --- Bouton panier --- */

.cart-button {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  transition: background-color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}

.cart-button:hover {
  background-color: var(--color-bg-surface-raised);
  border-color: var(--color-border-visible);
}

.cart-button svg {
  width: 24px;
  height: 24px;
}

/* Micro-rebond à l'ajout au panier (design-system.md 6.3) */
@keyframes lgc-cart-bump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.cart-button.is-bumped {
  animation: lgc-cart-bump var(--duration-base) var(--ease-standard);
}

.cart-button__count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding-inline: var(--space-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-yellow);
  color: var(--color-text-on-accent);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
}

/* --- Desktop : navigation en ligne, burger masqué --- */

@media (min-width: 1024px) {

  .site-header__inner {
    min-height: 72px;
    gap: var(--space-4);
  }

  /* Entre 1024 et ~1200px, la nav se resserre pour ne jamais pousser
     le logo à la ligne */
  .site-nav__list a {
    padding-inline: var(--space-2);
    font-size: var(--text-sm);
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    opacity: 1;
    transform: none;
    visibility: visible;
    transition: none;
  }

  .site-nav__list {
    display: flex;
    gap: var(--space-2);
    padding: 0;
  }
}