/* ============================================
   Cover Card Component
   Shared styles for stacked image cards
   ============================================ */

.cover-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast);
}

.cover-card:hover {
  transform: translateY(-4px);
}

/* Image Stacking */
.cover-card-images {
  position: relative;
  aspect-ratio: 1;
  perspective: 1000px;
}

.cover-card-stacked {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  border: 2px solid var(--card);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.cover-card-stacked img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Stacking positions for collection cards (3 max) */
.cover-card-stacked[data-index="0"] {
  z-index: 3;
  transform: rotate(var(--rotation, -3deg)) translateY(0);
}

.cover-card-stacked[data-index="1"] {
  z-index: 2;
  transform: rotate(var(--rotation, 2deg)) translateY(8px);
  opacity: 0.9;
}

.cover-card-stacked[data-index="2"] {
  z-index: 1;
  transform: rotate(var(--rotation, -2deg)) translateY(16px);
  opacity: 0.8;
}

/* Hover effects for collection cards */
.cover-card:hover .cover-card-stacked[data-index="0"] {
  transform: rotate(calc(var(--rotation, -3deg) * 1.5)) translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.cover-card:hover .cover-card-stacked[data-index="1"] {
  transform: rotate(calc(var(--rotation, 2deg) * 1.2)) translateY(4px);
}

.cover-card:hover .cover-card-stacked[data-index="2"] {
  transform: rotate(calc(var(--rotation, -2deg) * 1.2)) translateY(12px);
}

/* Extended stacking for tweet cards (6 max) - only applies when more than 3 images */
.cover-card-clickable .cover-card-stacked[data-index="0"] {
  z-index: 10;
  transform: rotate(var(--rotation, -2deg)) translateY(0);
}

.cover-card-clickable .cover-card-stacked[data-index="1"] {
  z-index: 9;
  transform: rotate(var(--rotation, 3deg)) translateY(6px);
  opacity: 0.9;
}

.cover-card-clickable .cover-card-stacked[data-index="2"] {
  z-index: 8;
  transform: rotate(var(--rotation, -3deg)) translateY(12px);
  opacity: 0.85;
}

.cover-card-clickable .cover-card-stacked[data-index="3"] {
  z-index: 7;
  transform: rotate(var(--rotation, 2deg)) translateY(18px);
  opacity: 0.8;
}

.cover-card-clickable .cover-card-stacked[data-index="4"] {
  z-index: 6;
  transform: rotate(var(--rotation, -2deg)) translateY(24px);
  opacity: 0.75;
}

.cover-card-clickable .cover-card-stacked[data-index="5"] {
  z-index: 5;
  transform: rotate(var(--rotation, 3deg)) translateY(30px);
  opacity: 0.7;
}

/* Clickable cards (tweet covers) */
.cover-card-clickable {
  cursor: pointer;
}

.cover-card-clickable:hover {
  transform: none; /* Remove default hover transform */
}

/* Card Info */
.cover-card-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  margin-top: 0.75rem;
}

.cover-card-text {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--muted-foreground);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}

.cover-card:hover .cover-card-text {
  color: var(--foreground);
}

/* Action Buttons */
.cover-card-actions {
  position: absolute;
  bottom: 0.375rem;
  right: 0.375rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  z-index: 20;
  opacity: 1; /* Always visible on mobile */
  transition: opacity var(--transition-fast);
}

/* On desktop with hover support, hide actions by default and show on hover */
@media (hover: hover) and (pointer: fine) {
  .cover-card-actions {
    opacity: 0;
  }
  
  .cover-card:hover .cover-card-actions {
    opacity: 1;
  }
}

/* Item Count Badge */
.cover-card-count {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.25rem 0.5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  color: rgba(0, 0, 0, 0.85);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  z-index: 15;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast);
}

.cover-card:hover .cover-card-count {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 0, 0, 0.15);
}

/* Tags */
.cover-card-tags {
  position: absolute;
  bottom: 0.375rem;
  left: 0.375rem;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  z-index: 20;
  transition: opacity var(--transition-fast);
  max-width: calc(100% - 3.5rem);
  align-items: flex-start;
}

.cover-card-tags-visible {
  display: flex;
  flex-wrap: wrap;
  gap: 0.125rem;
}

.cover-card-tags-hidden {
  display: none;
  flex-wrap: wrap;
  gap: 0.125rem;
  animation: coverCardTagsSlideDown 0.2s ease-out;
}

.cover-card-tags[data-expanded="true"] .cover-card-tags-hidden {
  display: flex;
}

.cover-card-tags[data-expanded="true"] .cover-card-tag-more {
  display: none;
}

@keyframes coverCardTagsSlideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* On mobile, show with reduced opacity for less intrusion */
@media (max-width: 768px) {
  .cover-card-tags {
    opacity: 0.8;
  }
}

/* On desktop with hover support, hide tags by default and show on hover */
@media (hover: hover) and (pointer: fine) {
  .cover-card-tags {
    opacity: 0;
  }
  
  .cover-card:hover .cover-card-tags {
    opacity: 1;
  }
}

.cover-card-tag {
  display: inline-block;
  padding: 0.0625rem 0.3125rem;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 0.625rem; /* 10px */
  font-weight: 500;
  border-radius: 0.1875rem;
  backdrop-filter: blur(4px);
  line-height: 1.2;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.cover-card-tag-more {
  background: rgba(0, 0, 0, 0.5);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
  font-style: italic;
  border: none;
  cursor: pointer;
  padding: 0.0625rem 0.3125rem;
  font-size: 0.625rem;
  border-radius: 0.1875rem;
  backdrop-filter: blur(4px);
  line-height: 1.2;
}

.cover-card-tag-more:hover {
  background: rgba(0, 0, 0, 0.7);
  color: white;
}

.cover-card-tag-more:active {
  transform: scale(0.95);
}

/* Responsive adjustments for smaller screens */
@media (max-width: 480px) {
  .cover-card-stacked[data-index="1"] {
    transform: rotate(var(--rotation, 2deg)) translateY(4px);
  }

  .cover-card-stacked[data-index="2"] {
    transform: rotate(var(--rotation, -2deg)) translateY(8px);
  }

  .cover-card-clickable .cover-card-stacked[data-index="1"] {
    transform: rotate(var(--rotation, 3deg)) translateY(4px);
  }

  .cover-card-clickable .cover-card-stacked[data-index="2"] {
    transform: rotate(var(--rotation, -3deg)) translateY(8px);
  }
}