/* AppShare 通用样式 — Glassmorphism + Apple Whitespace */

/* ==================== 全局重置 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display',
    'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* ==================== 通用容器 ==================== */
.md3-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== 主内容区域 ==================== */
.md3-main-content {
  margin-top: 48px;
  min-height: calc(100vh - 48px);
}

.md3-main {
  margin-top: 48px;
  min-height: calc(100vh - 48px);
}

/* ==================== 毛玻璃卡片基类 ==================== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}

.glass-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.glass-card-heavy {
  background: var(--glass-bg-heavy);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}

/* ==================== 返回顶部 — 极简 ==================== */
.md3-fab-secondary {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--glass-bg-heavy);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.md3-fab-secondary:hover {
  transform: translateY(-2px);
  color: var(--md-primary);
  border-color: var(--md-primary);
  box-shadow: var(--shadow-md);
}

.md3-fab-secondary .material-icons {
  font-size: 22px;
}

/* ==================== 徽章 ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2px;
  line-height: 1;
  vertical-align: middle;
  height: 22px;
  min-height: 22px;
}

.badge-vip {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  color: #8b4513;
}

.badge-level {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.badge-preferred-title {
  background: #ff6961;
  color: white;
}

/* ==================== Toast — 毛玻璃提示 ==================== */
.md3-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--glass-bg-heavy);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  font-size: 14px;
  line-height: 1.5;
  box-shadow: var(--shadow-md);
  z-index: 3000;
  opacity: 0;
  transition: var(--transition);
  min-width: 200px;
  text-align: center;
}

.md3-toast.md3-toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==================== 动态卡片组件（公共） ==================== */
.md3-recent-articles-section {
  margin-bottom: 48px;
}

.md3-articles-grid {
  column-count: 3;
  column-gap: 20px;
}

.md3-article-card {
  display: block;
  width: 100%;
  margin-bottom: 20px;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.md3-article-card.md3-animate-in {
  opacity: 1;
  transform: translateY(0);
}

.md3-article-card:hover {
  transform: translateY(-2px);
  border-color: var(--md-outline);
  box-shadow: var(--shadow-md);
}

.md3-article-link {
  display: block;
  padding: 20px;
  text-decoration: none;
  color: inherit;
}

.md3-article-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.md3-article-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.md3-article-user-info {
  flex: 1;
  min-width: 0;
}

.md3-article-username {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.md3-article-time {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.md3-article-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px 0;
  line-height: 1.5;
}

.md3-article-content {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 16px 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.md3-article-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.md3-article-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.md3-article-stat i {
  font-size: 18px;
}

/* ==================== 动态卡片响应式 ==================== */
@media (min-width: 769px) and (max-width: 1024px) {
  .md3-articles-grid {
    column-count: 2;
  }
}

@media (max-width: 768px) {

  .md3-container,
  .container {
    padding: 0 16px;
  }

  .md3-main-content,
  .md3-main {
    margin-top: 48px;
  }

  .md3-articles-grid {
    column-count: 1;
  }

  .md3-article-link {
    padding: 16px;
  }

  .md3-article-header {
    margin-bottom: 12px;
  }

  .md3-article-avatar {
    width: 36px;
    height: 36px;
  }

  .md3-article-username {
    font-size: 13px;
  }

  .md3-article-title {
    font-size: 15px;
  }

  .md3-article-content {
    font-size: 13px;
  }

  .md3-fab-secondary {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }

  .md3-fab-secondary .material-icons {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .md3-article-link {
    padding: 12px;
  }

  .md3-article-header {
    margin-bottom: 10px;
  }

  .md3-article-avatar {
    width: 32px;
    height: 32px;
  }

  .md3-article-title {
    font-size: 14px;
    margin-bottom: 8px;
  }

  .md3-article-content {
    font-size: 12px;
    margin-bottom: 12px;
  }

  .md3-article-footer {
    padding-top: 10px;
  }

  .md3-article-stat {
    font-size: 12px;
  }

  .md3-article-stat i {
    font-size: 16px;
  }
}

/* ==================== 实用工具类 ==================== */
.md3-img-center {
  display: block;
  margin: 0 auto;
}

.md3-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==================== 深色模式 — 图片查看器 ==================== */
@media (prefers-color-scheme: dark) {
  .image-viewer-modal {
    background: rgba(0, 0, 0, 0.98);
  }
}