.grid {
  display: grid;
  gap: 16px;
  padding: 0;
}

/* Mobile: 2 columns */
@media (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* Desktop: dynamic columns based on data-cols attribute */
@media (min-width: 769px) {
  .grid[data-cols="1"] { grid-template-columns: repeat(1, 1fr); }
  .grid[data-cols="2"] { grid-template-columns: repeat(2, 1fr); }
  .grid[data-cols="3"] { grid-template-columns: repeat(3, 1fr); }
  .grid[data-cols="4"] { grid-template-columns: repeat(4, 1fr); }
  .grid[data-cols="5"] { grid-template-columns: repeat(5, 1fr); }
  .grid[data-cols="6"] { grid-template-columns: repeat(6, 1fr); }
  .grid[data-cols="7"] { grid-template-columns: repeat(7, 1fr); }
  .grid[data-cols="8"] { grid-template-columns: repeat(8, 1fr); }
  .grid[data-cols="9"] { grid-template-columns: repeat(9, 1fr); }
  .grid[data-cols="10"] { grid-template-columns: repeat(10, 1fr); }
  .grid[data-cols="11"] { grid-template-columns: repeat(11, 1fr); }
  .grid[data-cols="12"] { grid-template-columns: repeat(12, 1fr); }
  .grid[data-cols="13"] { grid-template-columns: repeat(13, 1fr); }
  .grid[data-cols="14"] { grid-template-columns: repeat(14, 1fr); }
  .grid[data-cols="15"] { grid-template-columns: repeat(15, 1fr); }
}

.cell {
  background: #1e1e1e;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid #2a2a2a;
}

.cell:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-color: #ff0000;
}

.thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: #121212;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb img,
.thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lazy loading placeholder */
.thumb img.lazy-image:not([src]),
.thumb video.lazy-video:not([src]) {
  background: linear-gradient(90deg, #1e1e1e 25%, #2a2a2a 50%, #1e1e1e 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

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

.badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.meta {
  padding: 12px;
}

.name {
  font-weight: 500;
  font-size: 14px;
  color: #f1f1f1;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sub {
  font-size: 12px;
  color: #888;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .cell {
    border-radius: 6px;
  }
  
  .meta {
    padding: 8px;
  }
  
  .name {
    font-size: 13px;
  }
  
  .sub {
    font-size: 11px;
  }
  
  .badge {
    top: 6px;
    right: 6px;
    padding: 3px 6px;
    font-size: 10px;
  }
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #666;
  font-size: 16px;
}