// 触摸友好的卡片样式

.touch-card {
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;

  .v-card-title {
    font-size: 1.25rem;
    padding: 16px 20px;
  }

  .v-card-text {
    padding: 16px 20px;
  }

  .v-card-actions {
    padding: 12px 20px;
  }

  &:active {
    transform: scale(0.98);
  }
}

// 卡片发光效果
.glow-card {
  position: relative;
  overflow: hidden;

  &::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%),
            rgba(255, 255, 255, 0.2) 0%,
            rgba(255, 255, 255, 0) 60%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
  }

  &:hover::after {
    opacity: 1;
  }
}

// 网格布局优化
.grid-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-auto-rows: 20px;
  grid-gap: 16px;
}

// 空科目网格
.empty-subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-gap: 16px;
  margin-top: 16px;
}