/* 瀑布流布局优化 */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-gap: 20px;
  grid-auto-flow: dense;
}

@media (min-width: 640px) {
  .masonry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .masonry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .masonry-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 卡片样式优化 */
.prompt-card {
  background-color: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
  height: fit-content;
  display: flex;
  flex-direction: column;
  break-inside: avoid;
}

.prompt-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.prompt-image {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

.prompt-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.prompt-card:hover .prompt-image img {
  transform: scale(1.05);
}

.prompt-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.prompt-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}

.prompt-text {
  margin: 0 0 1rem 0;
  font-size: 0.875rem;
  color: #4b5563;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.prompt-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.75rem;
  color: #6b7280;
}

/* 标签样式优化 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  background-color: #f3f4f6;
  color: #4b5563;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  transition: background-color 0.2s;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.tag:hover {
  background-color: #e5e7eb;
}

/* 加载状态优化 */
.loading {
  display: none;
  text-align: center;
  padding: 2rem;
  color: #6b7280;
}

.spinner {
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
  border: 0.25rem solid rgba(99, 102, 241, 0.3);
  border-radius: 50%;
  border-top-color: #6366f1;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 空状态优化 */
.no-data {
  text-align: center;
  padding: 4rem 2rem;
  color: #6b7280;
  font-size: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.no-data i {
  font-size: 3rem;
  color: #d1d5db;
}

/* 隐藏滚动条但保留功能 */
.hide-scrollbar {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.hide-scrollbar::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

/* 模型标签 */
.model-tag {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: #4b5563;
}