/* ==========================================================================
   IBVB — Boutique (liste de produits, page produit, section vedette accueil)
   ========================================================================== */

/* ---------- Grille produits (page /boutique) ---------- */
.shop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  max-width: 1100px;
}
@media (min-width: 640px) {
  .shop-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .shop-grid { grid-template-columns: repeat(3, 1fr); }
}
/* Si la grille ne contient qu'une ou deux cartes, éviter l'effet de vide :
   limiter la largeur des cartes plutôt que de les étirer sur toute la grille. */
.shop-grid:has(.product-card:only-child) {
  grid-template-columns: minmax(0, 340px);
}
.shop-grid:has(.product-card:nth-child(2):last-child) {
  grid-template-columns: repeat(2, minmax(0, 340px));
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}
.product-card__cover {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--color-night);
}
.product-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.product-card:hover .product-card__cover img {
  transform: scale(1.02);
}
.product-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex-grow: 1;
}
.product-card__category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-indigo);
}
.product-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-night);
  line-height: 1.35;
}
.product-card__author {
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
}
.product-card__footer {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.product-card__price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-night);
}
.product-card__price .price-currency {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-left: 0.15rem;
}

/* ---------- Intro boutique ---------- */
.shop-intro {
  max-width: 680px;
}

/* ---------- Publication à la une (accueil) ---------- */
.featured-book {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .featured-book { grid-template-columns: 0.85fr 1.15fr; gap: 4rem; }
}
.featured-book__cover {
  position: relative;
}
.featured-book__cover-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  max-width: 320px;
  margin-inline: auto;
}
@media (min-width: 900px) {
  .featured-book__cover-frame { margin-inline: 0; }
}
.featured-book__cover-frame img {
  width: 100%;
  display: block;
}
.featured-book__body .product-card__price {
  font-size: 1.5rem;
  margin-block: 1.25rem;
}
.featured-book__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* ---------- Page produit (2 colonnes) ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  min-width: 0;
}
.product-detail > * {
  min-width: 0;
}
@media (min-width: 900px) {
  .product-detail { grid-template-columns: 0.9fr 1.1fr; gap: 4rem; align-items: start; }
}
.product-detail__gallery {
  position: sticky;
  top: 100px;
}

.product-detail__body h1 {
  font-size: var(--fs-h1);
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}
.product-detail__author {
  font-size: var(--fs-lead);
  color: var(--color-ink-soft);
  margin-bottom: 1.25rem;
}
.product-detail__author a { color: var(--color-indigo); font-weight: 600; }
.product-detail__price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-night);
  margin-bottom: 1.5rem;
}
.product-detail__price .price-currency {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-left: 0.25rem;
}
.product-detail__availability {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-bottom: 1.5rem;
}
.product-detail__availability.is-confirmed { color: #175C36; }
.product-detail__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}
.product-detail__section {
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-line);
  margin-top: 1.75rem;
}
.product-detail__section:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}
.product-detail__section h2 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}
.product-detail__section p {
  color: var(--color-ink-soft);
  line-height: 1.75;
}

.product-author-card {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}
.product-author-card__photo {
  width: 64px; height: 64px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-ivory-2);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-author-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.product-author-card__photo svg { width: 24px; height: 24px; color: var(--color-ink-soft); opacity: 0.5; }
.product-author-card__name { font-weight: 600; color: var(--color-night); margin-bottom: 0.35rem; }
.product-author-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-indigo);
  margin-top: 0.5rem;
}

.product-share {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.product-share__label {
  font-size: var(--fs-micro);
  font-weight: 600;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.product-share__btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-ivory-2);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-night);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.product-share__btn:hover {
  background: var(--color-indigo);
  color: var(--color-white);
  border-color: var(--color-indigo);
}
.product-share__btn svg { width: 16px; height: 16px; }
.product-share__feedback {
  font-size: var(--fs-micro);
  font-weight: 600;
  color: #175C36;
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.product-share__feedback.is-visible { opacity: 1; }

/* ---------- Barre d'achat fixe (mobile) ---------- */
.sticky-buy {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-sticky-buy);
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  box-shadow: 0 -8px 24px rgba(11,17,48,0.08);
  padding: 0.85rem var(--container-pad);
  padding-bottom: max(0.85rem, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease);
}
.sticky-buy.is-visible { transform: translateY(0); }
.sticky-buy__price {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-night);
  flex-shrink: 0;
}
.sticky-buy .btn { padding: 0.7rem 1.25rem; }
@media (min-width: 900px) {
  .sticky-buy { display: none; }
}

.breadcrumb-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: 1.5rem;
}

/* ---------- Fil d'Ariane ---------- */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: var(--fs-micro);
  color: var(--color-ink-soft);
  margin-bottom: 1.5rem;
}
.breadcrumbs a { color: var(--color-ink-soft); transition: color 0.2s var(--ease); }
.breadcrumbs a:hover { color: var(--color-indigo); }
.breadcrumbs__sep { color: var(--color-line); }
.breadcrumbs__current { color: var(--color-night); font-weight: 600; }

/* ---------- Galerie produit ---------- */
.product-gallery__main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(11,17,48,0.06), 0 24px 48px -12px rgba(11,17,48,0.16);
  max-width: 380px;
  margin-inline: auto;
  cursor: zoom-in;
}
@media (min-width: 900px) {
  .product-gallery__main { margin-inline: 0; max-width: 100%; }
}
.product-gallery__main img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s var(--ease);
}
.product-gallery__main:hover img {
  transform: scale(1.015);
}
.product-gallery__thumbs {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  max-width: 380px;
  margin-inline: auto;
}
@media (min-width: 900px) {
  .product-gallery__thumbs { margin-inline: 0; }
}
.product-gallery__thumb {
  width: 64px;
  height: 82px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), opacity 0.2s var(--ease);
  opacity: 0.65;
  flex-shrink: 0;
}
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-gallery__thumb:hover { opacity: 1; }
.product-gallery__thumb.is-active { border-color: var(--color-indigo); opacity: 1; }

.product-badge-new {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-white);
  color: var(--color-indigo);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  z-index: 2;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgba(11,17,48,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: min(90vw, 640px);
  max-height: 85vh;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s var(--ease);
}
.lightbox__close:hover { background: rgba(255,255,255,0.22); }
.lightbox__close svg { width: 20px; height: 20px; }
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s var(--ease);
}
.lightbox__nav:hover { background: rgba(255,255,255,0.22); }
.lightbox__nav svg { width: 22px; height: 22px; }
.lightbox__nav--prev { left: 1.5rem; }
.lightbox__nav--next { right: 1.5rem; }
@media (max-width: 640px) {
  .lightbox__nav { display: none; }
}

/* ---------- Sélecteur de quantité ---------- */
.quantity-selector {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--color-line);
  border-radius: 999px;
  overflow: hidden;
}
.quantity-selector__btn {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-night);
  font-size: 1.1rem;
  font-weight: 600;
  transition: background 0.2s var(--ease);
}
.quantity-selector__btn:hover:not(:disabled) { background: var(--color-ivory-2); }
.quantity-selector__btn:disabled { opacity: 0.35; cursor: not-allowed; }
.quantity-selector__value {
  width: 44px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-night);
  border: none;
  background: transparent;
  -moz-appearance: textfield;
}
.quantity-selector__value::-webkit-outer-spin-button,
.quantity-selector__value::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.product-detail__quantity-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.product-detail__quantity-label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-night);
}
.group-order-hint {
  font-size: var(--fs-micro);
  color: var(--color-ink-soft);
  display: none;
}
.group-order-hint.is-visible { display: block; }
.group-order-hint a { color: var(--color-indigo); font-weight: 600; }

/* ---------- Zone de confiance ---------- */
.trust-signals {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
  padding: 1.1rem 1.25rem;
  background: var(--color-ivory-2);
  border-radius: var(--radius-sm);
}
.trust-signals__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
}
.trust-signals__item svg {
  width: 17px; height: 17px;
  flex-shrink: 0;
  color: var(--color-indigo);
}

/* ---------- Commande de groupe ---------- */
.group-order-card {
  background: var(--color-ivory-2);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 2.5rem;
}
.group-order-card h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.group-order-card p { color: var(--color-ink-soft); margin-bottom: 1.1rem; }
.group-order-card .btn {
  white-space: normal;
  text-align: center;
  height: auto;
  min-height: 48px;
}

/* ---------- Poursuivre votre découverte ---------- */
.continue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 700px) {
  .continue-grid { grid-template-columns: repeat(3, 1fr); }
}
.continue-card {
  display: block;
  padding: 1.5rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.continue-card:hover {
  border-color: var(--color-indigo);
  transform: translateY(-3px);
}
.continue-card__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-indigo);
}
.continue-card h3 { font-size: 1.05rem; margin: 0.5rem 0 0.4rem; }
.continue-card p { font-size: var(--fs-small); color: var(--color-ink-soft); }