/*
 * Enhanced Card Components for VR Kyoto Experience
 * カードコンポーネントの詳細スタイリング
 */

/* Card Visual Content */
.card-visual {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--mono-gray);
}

.card-image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
  filter: grayscale(20%) contrast(1.05);
}

.post-card:hover .card-image {
  transform: scale(1.08);
  filter: grayscale(0%) contrast(1.15) brightness(1.05);
}

.post-card.has-vr .card-image {
  filter: grayscale(10%) contrast(1.1) saturate(1.1);
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg, 
    transparent 0%, 
    rgba(0,0,0,0.1) 60%, 
    rgba(0,0,0,0.3) 100%
  );
  opacity: 0;
  transition: var(--transition);
}

.post-card:hover .image-overlay {
  opacity: 1;
}

/* Card Placeholder */
.card-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: linear-gradient(135deg, var(--mono-gray), #f0f0f0);
  color: var(--mono-light);
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

.placeholder-text {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.7;
}

/* Category Badge */
.category-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: var(--mono-black);
  color: var(--mono-white);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-small);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 2;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Card Content */
.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-header {
  flex: 1;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 0.8rem;
  color: var(--mono-dark);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card.has-vr .card-title {
  color: #1a5e1a;
}

.card-description {
  color: var(--mono-light);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card.has-vr .card-description {
  color: #2d6b2d;
}

/* Card Meta Information */
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--mono-gray);
  margin-top: auto;
}

.meta-group {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.meta-date,
.meta-distance {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--mono-lighter);
}

.meta-icon {
  font-size: 0.9em;
  opacity: 0.8;
}

.distance-value {
  font-weight: 600;
  color: var(--accent-location);
}

/* VR Badge */
.vr-badge {
  background: linear-gradient(135deg, rgba(0,255,0,0.1), rgba(0,204,0,0.2));
  color: #00aa00;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-small);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid rgba(0,255,0,0.3);
}

.vr-badge-text {
  display: inline-block;
}

/* Card Hover Overlay */
.card-hover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0.8) 0%,
    rgba(0,0,0,0.6) 50%,
    rgba(0,0,0,0.9) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
  backdrop-filter: blur(2px);
}

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

.post-card.has-vr:hover .card-hover-overlay {
  background: linear-gradient(
    135deg,
    rgba(0,100,0,0.8) 0%,
    rgba(0,150,0,0.6) 50%,
    rgba(0,80,0,0.9) 100%
  );
}

.hover-content {
  text-align: center;
  color: var(--mono-white);
  padding: 1rem;
}

.hover-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: block;
  animation: pulse 1.5s infinite;
}

.hover-text {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  display: block;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Sort Toggle Enhanced */
.plb-sort-toggle {
  display: flex;
  background: var(--mono-white);
  border-radius: var(--radius-medium);
  box-shadow: 0 2px 20px var(--shadow-subtle);
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition);
}

.plb-sort-toggle:hover {
  border-color: var(--mono-gray);
  box-shadow: 0 4px 30px var(--shadow-medium);
}

.sort-btn {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--mono-light);
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.sort-btn.active,
.sort-btn.uk-button-primary {
  background: var(--mono-dark);
  color: var(--mono-white);
}

.sort-btn:hover:not(.active) {
  background: var(--mono-medium);
  color: var(--mono-white);
}

.sort-icon {
  font-size: 1.1em;
}

.sort-label {
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .visual-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 0.5rem;
  }
  
  .post-card {
    margin: 0 0.5rem;
  }
  
  .section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
  }
  
  .plb-sort-toggle {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-cta-group {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-cta-primary,
  .hero-cta-secondary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .card-content {
    padding: 1rem;
  }
  
  .card-title {
    font-size: 1.1rem;
  }
  
  .card-description {
    font-size: 0.85rem;
    -webkit-line-clamp: 2;
  }
}