/**
 * skeleton.css - 骨架屏样式
 * 数据加载时显示灰色占位块，模拟卡片布局，提升视觉流畅度
 */

/* === 骨架屏容器 === */
.skeleton-list {
  padding: 0;
}

/* === 单个骨架卡片 === */
.skeleton-card {
  background: var(--c-card-bg, #fff);
  border: 1px solid var(--c-border, #e5e5ea);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* === 骨架占位块基础样式 === */
.skeleton-block {
  background: var(--c-skeleton, #e8e8ed);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

/* 波纹流动动画 - 从左往右循环流动 */
.skeleton-block::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.5) 50%,
    transparent 100%
  );
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* 骨架卡片淡入动画 */
.skeleton-card {
  animation: skeleton-fade-in 0.3s ease-out;
}

@keyframes skeleton-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === 卡片内各占位区域 === */
.skeleton-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.skeleton-id {
  width: 90px;
  height: 16px;
}

.skeleton-title {
  flex: 1;
  height: 18px;
  max-width: 300px;
}

.skeleton-badge {
  width: 50px;
  height: 20px;
  border-radius: 10px;
}

.skeleton-meta-row {
  display: flex;
  gap: 20px;
  margin-bottom: 10px;
}

.skeleton-meta-item {
  width: 120px;
  height: 14px;
}

.skeleton-progress {
  height: 8px;
  border-radius: 4px;
  width: 100%;
  margin-top: 8px;
}

/* === 暗色模式适配 === */
[data-theme="dark"] .skeleton-card {
  background: var(--c-card-bg, #1c1c1e);
  border-color: var(--c-border, #38383a);
}

[data-theme="dark"] .skeleton-block {
  background: var(--c-skeleton, #3a3a3c);
}

[data-theme="dark"] .skeleton-block::after {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 100%
  );
}

/* === 响应式 === */
@media (max-width: 768px) {
  .skeleton-card {
    padding: 12px 14px;
  }
  .skeleton-meta-row {
    flex-wrap: wrap;
    gap: 10px;
  }
  .skeleton-meta-item {
    width: 100px;
  }
}