/* ============================================================================
   PREMIUM MUSEUM-QUALITY ARTWORK CARD EFFECTS
   Aizpiri Catalogue Raisonné - Enhanced Edition
   ============================================================================ */

/* ============================================
   ARTWORK CARD - BASE PREMIUM STYLES
   ============================================ */

.artwork-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.6s ease,
              opacity 0.6s ease,
              border-color 0.4s ease;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  animation: cardFadeIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  perspective: 1000px;
}

/* ============================================
   STAGGERED ENTRANCE ANIMATIONS
   ============================================ */

.artwork-card:nth-child(1) { animation-delay: 0.05s; }
.artwork-card:nth-child(2) { animation-delay: 0.1s; }
.artwork-card:nth-child(3) { animation-delay: 0.15s; }
.artwork-card:nth-child(4) { animation-delay: 0.2s; }
.artwork-card:nth-child(5) { animation-delay: 0.25s; }
.artwork-card:nth-child(6) { animation-delay: 0.3s; }
.artwork-card:nth-child(7) { animation-delay: 0.35s; }
.artwork-card:nth-child(8) { animation-delay: 0.4s; }
.artwork-card:nth-child(9) { animation-delay: 0.45s; }
.artwork-card:nth-child(n+10) { animation-delay: 0.5s; }

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   ANIMATED GRADIENT BORDER EFFECT
   ============================================ */

.artwork-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(
    135deg,
    var(--color-accent),
    var(--color-secondary),
    var(--color-accent)
  );
  background-size: 200% 200%;
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: -1;
  animation: gradientRotate 3s ease infinite;
}

@keyframes gradientRotate {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.artwork-card:hover::before {
  opacity: 1;
}

/* ============================================
   3D HOVER EFFECTS
   ============================================ */

.artwork-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 70px rgba(196, 163, 90, 0.25),
              0 15px 40px rgba(0, 0, 0, 0.2);
  border-color: transparent;
}

/* ============================================
   DARK MODE GLASS-MORPHISM
   ============================================ */

[data-theme="dark"] .artwork-card {
  background: rgba(26, 26, 46, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(212, 179, 102, 0.1);
}

[data-theme="dark"] .artwork-card:hover {
  background: rgba(26, 26, 46, 0.8);
  box-shadow: 0 25px 70px rgba(212, 179, 102, 0.3),
              0 15px 40px rgba(0, 0, 0, 0.4);
}

/* ============================================
   PERIOD-SPECIFIC THEMATIC SHADOWS
   ============================================ */

.artwork-card[data-period="jeunesse"]:hover {
  box-shadow: 0 25px 70px rgba(44, 95, 124, 0.25),
              0 15px 40px rgba(0, 0, 0, 0.2);
}

.artwork-card[data-period="maturite"]:hover {
  box-shadow: 0 25px 70px rgba(196, 163, 90, 0.25),
              0 15px 40px rgba(0, 0, 0, 0.2);
}

.artwork-card[data-period="tardif"]:hover {
  box-shadow: 0 25px 70px rgba(139, 37, 0, 0.25),
              0 15px 40px rgba(0, 0, 0, 0.2);
}

/* ============================================
   IMAGE CONTAINER & KEN BURNS EFFECT
   ============================================ */

.artwork-card-image,
.artwork-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #f5f5f5 0%, #e5e5e5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .artwork-card-image,
[data-theme="dark"] .artwork-image {
  background: linear-gradient(135deg, #1a1a2e 0%, #252538 100%);
}

/* Ken Burns slow zoom + color shift */
.artwork-card-image img,
.artwork-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1),
              filter 0.8s ease,
              opacity 0.6s ease;
  filter: brightness(1) saturate(1);
  opacity: 0;
}

/* Progressive blur-up loading effect */
.artwork-card-image img.loading,
.artwork-image img.loading {
  filter: blur(10px);
  opacity: 0.5;
}

.artwork-card-image img.loaded,
.artwork-image img.loaded {
  opacity: 1;
  filter: blur(0);
}

/* Skeleton shimmer loading state */
.artwork-image[loading],
.artwork-card-image[loading] {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

[data-theme="dark"] .artwork-image[loading],
[data-theme="dark"] .artwork-card-image[loading] {
  background: linear-gradient(90deg, #1a1a2e 25%, #252538 50%, #1a1a2e 75%);
  background-size: 200% 100%;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Ken Burns zoom + subtle color enhancement on hover */
.artwork-card:hover .artwork-card-image img,
.artwork-card:hover .artwork-image img {
  transform: scale(1.08);
  filter: brightness(1.05) saturate(1.1);
}

/* ============================================
   GRADIENT OVERLAY INFO REVEAL
   ============================================ */

.artwork-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 40%,
    rgba(26, 26, 46, 0.7) 70%,
    rgba(26, 26, 46, 0.95) 100%
  );
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
  color: var(--color-surface);
  backdrop-filter: blur(8px);
}

[data-theme="dark"] .artwork-card-overlay {
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 40%,
    rgba(0, 0, 0, 0.5) 70%,
    rgba(0, 0, 0, 0.9) 100%
  );
}

.artwork-card:hover .artwork-card-overlay {
  opacity: 1;
}

/* ============================================
   TYPOGRAPHY REFINEMENTS
   ============================================ */

/* Title with animated underline */
.artwork-card-title,
.artwork-title {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  position: relative;
  display: inline-block;
  transition: color 0.3s ease;
}

.artwork-card-title::after,
.artwork-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.artwork-card:hover .artwork-card-title::after,
.artwork-card:hover .artwork-title::after {
  width: 100%;
}

/* Date in elegant serif italic */
.artwork-card-meta,
.artwork-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: 0.5px;
}

/* Catalogue number with gold accent */
.catalogue-number {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-surface);
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-sm);
  display: inline-block;
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 8px rgba(196, 163, 90, 0.3);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.catalogue-number:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(196, 163, 90, 0.4);
}

[data-theme="dark"] .catalogue-number {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  box-shadow: 0 2px 8px rgba(212, 179, 102, 0.4);
}

/* ============================================
   CONDITIONAL STYLING
   ============================================ */

.artwork-card:has(img) {
  border-color: var(--color-accent);
}

.artwork-card:has(.artwork-image) .artwork-card-content {
  padding-top: var(--space-md);
}

/* ============================================
   LIGHTBOX IMPROVEMENTS
   ============================================ */

.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.97);
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(20px);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.9);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-image,
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--border-radius-md);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6),
              0 10px 40px rgba(196, 163, 90, 0.2);
  transition: all 0.5s ease;
}

.lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1;
}

.lightbox-close:hover {
  background-color: var(--color-danger);
  color: var(--color-surface);
  transform: rotate(90deg) scale(1.1);
}

.lightbox-nav,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.95);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1;
  backdrop-filter: blur(10px);
}

.lightbox-nav:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: var(--color-accent);
  color: var(--color-surface);
  transform: translateY(-50%) scale(1.15);
  box-shadow: 0 8px 24px rgba(196, 163, 90, 0.4);
}

.lightbox-nav-prev,
.lightbox-prev {
  left: var(--space-lg);
}

.lightbox-nav-next,
.lightbox-next {
  right: var(--space-lg);
}

.lightbox-caption {
  margin-top: var(--space-xl);
  text-align: center;
  color: var(--color-surface);
  animation: fadeInUp 0.6s ease 0.3s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lightbox-caption h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-surface);
  font-weight: var(--weight-semibold);
}

.lightbox-caption p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  font-style: italic;
}

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

@media (max-width: 768px) {
  .artwork-card:hover {
    transform: translateY(-8px) scale(1.01);
  }

  .artwork-card::before {
    display: none;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 44px;
    height: 44px;
  }

  .catalogue-number {
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
  }
}

@media (max-width: 480px) {
  .artwork-card {
    animation-delay: 0 !important;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
  }

  .lightbox-close {
    width: 40px;
    height: 40px;
  }
}

/* ============================================
   ACCESSIBILITY & REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .artwork-card,
  .artwork-card::before,
  .artwork-card-image img,
  .artwork-image img,
  .artwork-card-overlay,
  .lightbox,
  .lightbox-content {
    animation: none;
    transition-duration: 0.01ms !important;
  }

  .artwork-card {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   PRINT OPTIMIZATIONS
   ============================================ */

@media print {
  .artwork-card {
    opacity: 1;
    transform: none;
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .artwork-card::before,
  .artwork-card-overlay {
    display: none;
  }

  .lightbox {
    display: none !important;
  }
}