/* Collection filter */
.collection-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.filter-btn {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  color: var(--color-ink-muted);
  background: transparent;
  border-radius: 2px;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-violet);
  color: var(--color-white);
  border-color: var(--color-violet);
}

/* Gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Artwork card */
.artwork-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
  cursor: pointer;
}
.artwork-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(61,31,110,0.10);
}
.artwork-card__image {
  position: relative;
  overflow: hidden;
  background: var(--color-cream-mid);
}
.artwork-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-slow);
}
.artwork-card:hover .artwork-card__image img {
  transform: scale(1.04);
}
.artwork-card__image--portrait { aspect-ratio: 2/3; }
.artwork-card__image--landscape { aspect-ratio: 4/3; }
.artwork-card__image--square { aspect-ratio: 1; }

/* Querformate spannen zwei Spalten: so ist ihre Bildhöhe (~1,5× Spaltenbreite)
   identisch mit den Hochformaten und wirkt nicht mehr kleiner. `dense` füllt
   entstehende Lücken automatisch auf. */
@media (min-width: 768px) {
  .gallery-grid { grid-auto-flow: dense; }
  .gallery-grid .artwork-card:has(.artwork-card__image--landscape) { grid-column: span 2; }
}

/* Placeholder for artworks without photos */
.artwork-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-lavender);
}

/* Badge for collection */
.artwork-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  background: rgba(249,246,252,0.92);
  backdrop-filter: blur(6px);
  color: var(--color-violet);
  border-radius: 2px;
}
.artwork-badge--available {
  background: rgba(61,31,110,0.9);
  color: var(--color-white);
}
.artwork-badge--sold {
  background: rgba(120,110,110,0.88);
  color: var(--color-white);
}

/* Rental available icon */
.artwork-rental-tag {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(160,144,204,0.92);
  backdrop-filter: blur(6px);
  color: var(--color-white);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.artwork-card__body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
}
.artwork-card__collection {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-lavender);
  margin-bottom: 0.4rem;
}
.artwork-card__title {
  font-family: var(--font);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: 0.3rem;
}
.artwork-card__meta {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
}
.artwork-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}
.artwork-card__price {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-ink);
}
.artwork-card__price--onrequest {
  font-size: var(--text-sm);
  font-weight: 400;
  font-style: italic;
  color: var(--color-ink-muted);
}
.artwork-card__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.artwork-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border: 1px solid var(--color-violet);
  color: var(--color-violet);
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.artwork-card__btn:hover,
.artwork-card__btn--solid {
  background: var(--color-violet);
  color: var(--color-white);
}
.artwork-card__btn[hidden] { display: none; }

/* Artwork detail modal */
.artwork-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.artwork-modal.is-open {
  opacity: 1;
  pointer-events: all;
}
.artwork-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(24,6,46,0.75);
  backdrop-filter: blur(4px);
  cursor: pointer;
}
.artwork-modal__panel {
  position: relative;
  z-index: 1;
  background: var(--color-white);
  max-width: 880px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  transform: scale(0.96) translateY(20px);
  transition: transform var(--transition-slow);
}
@media (min-width: 768px) {
  .artwork-modal__panel { grid-template-columns: 1fr 1fr; }
}
.artwork-modal.is-open .artwork-modal__panel {
  transform: scale(1) translateY(0);
}
.artwork-modal__image {
  position: relative;
  overflow: hidden;
  background: var(--color-cream-mid);
}
.artwork-modal__image img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: contain;
  display: block;
}
.artwork-modal__artist {
  font-size: var(--text-sm);
  color: var(--color-violet);
  margin-bottom: var(--space-sm);
}
.artwork-modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.85);
  color: var(--color-ink);
  border-radius: 50%;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast);
  z-index: 2;
}
.artwork-modal__nav:hover { background: #fff; }
.artwork-modal__nav--prev { left: var(--space-sm); }
.artwork-modal__nav--next { right: var(--space-sm); }
.artwork-modal__nav.is-hidden { display: none; }
.artwork-modal__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--space-sm);
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  z-index: 2;
}
.artwork-modal__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.artwork-modal__dot.is-active {
  background: #fff;
  transform: scale(1.25);
}
.artwork-modal__counter {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 2;
  background: rgba(24,6,46,0.6);
  color: #fff;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.artwork-card__image { cursor: pointer; }
.artwork-modal__info { padding: var(--space-lg); }
.artwork-modal__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  color: var(--color-ink-muted);
  line-height: 1;
  transition: color var(--transition-fast);
  z-index: 2;
}
.artwork-modal__close:hover { color: var(--color-ink); }
.artwork-modal__info h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}
.artwork-modal__meta { font-size: var(--text-sm); color: var(--color-ink-muted); margin-bottom: var(--space-md); }
.artwork-modal__desc { font-size: var(--text-base); line-height: 1.8; color: var(--color-ink-muted); margin-bottom: var(--space-md); }
.artwork-modal__btns { display: flex; flex-direction: column; gap: var(--space-xs); }
.artwork-modal__btns .btn { justify-content: center; }

/* Collection header */
.collection-header {
  border-left: 2px solid var(--color-lavender);
  padding-left: var(--space-sm);
  margin: var(--space-xl) 0 var(--space-lg);
}
.collection-header:first-of-type { margin-top: 0; }
.collection-header h2 {
  font-size: var(--text-2xl);
  font-weight: 300;
}
.collection-header p { font-size: var(--text-sm); color: var(--color-ink-muted); margin-top: 0.25rem; }