Classworks/src/styles/transitions.scss

// Material Design 3 动画曲线
$emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1.0);
$emphasized-accelerate: cubic-bezier(0.3, 0.0, 0.8, 0.15);
$standard-easing: cubic-bezier(0.2, 0.0, 0, 1.0);
$standard-decelerate: cubic-bezier(0.0, 0.0, 0.0, 1.0);
$standard-accelerate: cubic-bezier(0.3, 0.0, 1.0, 1.0);

// 网格项目的进入和离开动画
.grid-item {
  transition: transform 400ms $emphasized-decelerate,
              opacity 200ms $standard-easing;
  will-change: transform, opacity;
  backface-visibility: hidden;

  &.v-enter-active {
    transition: transform 400ms $emphasized-decelerate,
                opacity 250ms $standard-easing;
  }

  &.v-move {
    transition: transform 400ms $emphasized-decelerate;
    z-index: 1;
  }

  &.v-leave-active {
    position: absolute !important;
    transition: transform 300ms $emphasized-accelerate,
                opacity 200ms $standard-accelerate;
  }

  &.v-enter-from,
  &.v-leave-to {
    opacity: 0;
    transform: scale(0.95);
  }
}

// 空科目卡片动画
.empty-subject-card {
  transition: all 250ms $standard-easing;

  &:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  }
}

// 列表项目动画
.v-list-enter-active {
  transition: all 400ms $emphasized-decelerate;
}

.v-list-leave-active {
  transition: all 300ms $emphasized-accelerate;
}

.v-list-enter-from,
.v-list-leave-to {
  opacity: 0;
  transform: translateX(-24px);
}

// 出勤数据变化动画
.attendance-area {
  h2, h3 {
    transition: all 300ms $standard-easing;
  }
}

// 卡片展开收起动画
.v-card {
  transition: all 400ms $emphasized-decelerate;

  &:active {
    transform: scale(0.98);
    transition-duration: 100ms;
  }
}

// 优化卡片触摸体验
.v-card {
  touch-action: manipulation;

  &:active {
    transform: scale(0.99);
    transition-duration: 80ms;
  }

  @media (pointer: coarse) {
    &::before {
      // 增加触摸反馈区域
      margin: -8px;
    }
  }
}

// 修改对话框过渡动画 - 移除点击波纹效果
.v-dialog {
  &::before {
    display: none !important;
  }
}

// 对话框过渡动画
.v-dialog {
  // 禁用原生点击波纹效果
  &::before,
  &::after {
    display: none !important;
  }

  // 禁用卡片点击效果
  .v-card {
    transition: none;

    &:active {
      transform: none;
    }
  }
}

// 保持对话框本身的过渡动画
.v-dialog-transition-enter-active {
  transition: transform 400ms $emphasized-decelerate,
              opacity 300ms $standard-easing;
}

.v-dialog-transition-leave-active {
  transition: transform 250ms $emphasized-accelerate,
              opacity 200ms $standard-accelerate;
}

// 按钮状态变化动画
.v-btn {
  transition: background-color 250ms $standard-easing,
              transform 150ms $emphasized-decelerate;
  touch-action: manipulation;
  min-height: 40px;  // 确保触摸目标足够大
  min-width: 40px;

  &:active {
    transform: scale(0.98);
    transition-duration: 80ms;
  }

  @media (pointer: coarse) {
    // 触摸设备上的特殊处理
    padding: 8px 16px;
    margin: 4px;

    &::before {
      // 增加触摸反馈区域
      margin: -8px;
    }
  }
}

// 禁用文字选择
.no-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

// 动画过渡效果

// 网格项目过渡
.grid-enter-active,
.grid-leave-active {
  transition: all 0.5s ease;
}

.grid-enter-from {
  opacity: 0;
  transform: translateY(20px);
}

.grid-leave-to {
  opacity: 0;
  transform: translateY(-20px);
}

// 列表项目过渡
.v-list-enter-active,
.v-list-leave-active {
  transition: all 0.3s ease;
}

.v-list-enter-from {
  opacity: 0;
  transform: translateX(-20px);
}

.v-list-leave-to {
  opacity: 0;
  transform: translateX(20px);
}

// 页面过渡
.page-enter-active,
.page-leave-active {
  transition: opacity 0.3s, transform 0.3s;
}

.page-enter-from {
  opacity: 0;
  transform: translateY(20px);
}

.page-leave-to {
  opacity: 0;
  transform: translateY(-20px);
}

// 淡入淡出
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

// 缩放过渡
.scale-enter-active,
.scale-leave-active {
  transition: all 0.3s;
}

.scale-enter-from,
.scale-leave-to {
  opacity: 0;
  transform: scale(0.9);
}