/* =============================================
   COLLECTION
   ============================================= */
.collection {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

/* Header */
.collection__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.collection__header-left {
  flex-shrink: 0;
}

.collection__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.2;
  margin-top: 0.2rem;
}

.collection__description {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.85;
  text-align: left;
  max-width: 320px;
}

/* Grid */
.collection__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem 1.8rem;
}

/* Art Card */
.art-card {
  cursor: pointer;
}

.art-card--featured {
  grid-column: span 4;
}

.art-card__image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-dark);
  aspect-ratio: 4 / 5;
  border-radius: 8px;
}

.art-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.art-card:hover .art-card__image {
  transform: scale(1.04);
}

.art-card__badge {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  background: var(--color-btn-dark);
  color: var(--color-white);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  z-index: 2;
}

.art-card__plus-btn {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(150, 150, 150, 0.7);
  color: white;
  border: none;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  padding-bottom: 2px; /* slight vertical centering tweak */
}

.art-card__plus-btn:hover {
  background: rgba(120, 120, 120, 0.9);
  transform: scale(1.05);
}

.art-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.art-card:hover .art-card__overlay {
  opacity: 1;
}

.art-card__view-btn {
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}

.art-card:hover .art-card__view-btn {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
}

/* Info Row (kept for admin, hidden in public grid) */
.art-card__info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

/* Inner overlay title (public gallery) */
.art-card__inner-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2.5rem 1.1rem 1rem;
  background: linear-gradient(to top, rgba(10,10,10,0.82) 0%, rgba(10,10,10,0.3) 60%, transparent 100%);
  z-index: 5;
  transition: opacity 0.3s ease;
}

.art-card__inner-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: 0.2rem;
  line-height: 1.3;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}

.art-card__inner-meta {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* Admin cards — suppress the public title overlay */
.art-card--admin .art-card__inner-info {
  display: none;
}


.art-card__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.art-card__meta {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 300;
}

.art-card__arrow {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}

.art-card:hover .art-card__arrow {
  transform: translateX(4px);
  color: var(--color-text);
}

/* Responsive */
@media (max-width: 900px) {
  .collection__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .collection__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .collection__description {
    text-align: left;
  }
}

@media (max-width: 540px) {
  .collection__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .collection {
    padding: var(--spacing-xl) 0;
  }
}

/* =============================================
   MODAL
   ============================================= */
.collection-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(5px);
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; backdrop-filter: blur(0px); }
  to { opacity: 1; backdrop-filter: blur(5px); }
}

.collection-modal__content {
  background: var(--color-bg);
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  border-radius: var(--radius-md);
  display: flex;
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.collection-modal__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background var(--transition), transform var(--transition);
}

.collection-modal__close:hover {
  background: var(--color-white);
  transform: scale(1.05);
}

.collection-modal__image-wrap {
  flex: 1.5;
  background: var(--color-bg-dark);
  position: relative;
}

.collection-modal__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.collection-modal__details {
  flex: 1;
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-white);
}

.collection-modal__title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.collection-modal__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.collection-modal__desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 3rem;
}

.collection-modal__inquiry-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-btn-dark);
  color: var(--color-white);
  padding: 1.1rem 2rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: background var(--transition), transform var(--transition);
  text-align: center;
}

.collection-modal__inquiry-btn:hover {
  background: var(--color-text);
  transform: translateY(-2px);
  color: var(--color-white);
}

@media (max-width: 900px) {
  .collection-modal__content {
    flex-direction: column;
    max-height: 95vh;
    overflow-y: auto;
  }
  
  .collection-modal__image-wrap {
    width: 100%;
    flex: none;
    aspect-ratio: 3 / 4;
    min-height: 320px;
  }

  .collection-modal__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .collection-modal__details {
    padding: 2.5rem 2rem;
    flex: none;
  }
}