/**
 * Frontmatter Display Plugin Styles
 *
 * 功能说明：
 * - 可折叠的文档信息框样式
 * - 主题感知（亮色/暗色模式）
 * - 平滑动画效果
 */

/* 容器（Container） */
.frontmatter-container {
  margin: 0 0 2em 0;
  border: 1px solid #e1e4e8;
  border-radius: 6px;
  background: #f6f8fa;
  overflow: hidden;
  transition: all 0.2s ease;
}

/* 暗色模式（Dark mode） */
@media (prefers-color-scheme: dark) {
  .frontmatter-container {
    border-color: #30363d;
    background: #161b22;
  }
}

/* 切换按钮（Toggle button） */
.frontmatter-toggle {
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: #24292f;
  text-align: left;
  transition: background-color 0.2s ease;
}

.frontmatter-toggle:hover {
  background: rgba(0, 0, 0, 0.03);
}

.frontmatter-toggle:focus {
  outline: 2px solid var(--theme-color, #42b983);
  outline-offset: -2px;
}

@media (prefers-color-scheme: dark) {
  .frontmatter-toggle {
    color: #c9d1d9;
  }

  .frontmatter-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
  }
}

/* 切换图标（Toggle icon） */
.toggle-icon {
  font-size: 12px;
  transition: transform 0.2s ease;
  display: inline-block;
  min-width: 12px;
}

.frontmatter-container.expanded .toggle-icon {
  transform: rotate(0deg);
}

/* 切换文本（Toggle text） */
.toggle-text {
  flex: 1;
}

/* 内容区域（Content area） */
.frontmatter-content {
  border-top: 1px solid #e1e4e8;
  animation: slideDown 0.3s ease;
}

@media (prefers-color-scheme: dark) {
  .frontmatter-content {
    border-top-color: #30363d;
  }
}

.frontmatter-content[hidden] {
  display: none;
}

/* 滑动动画（Slide animation） */
@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 1000px;
  }
}

/* 内容主体（Content body） */
.frontmatter-body {
  padding: 16px;
}

/* 章节（Section） */
.frontmatter-section {
  margin-bottom: 16px;
}

.frontmatter-section:last-child {
  margin-bottom: 0;
}

/* 字段（Field） */
.frontmatter-field {
  font-size: 14px;
  line-height: 1.6;
  color: #57606a;
  margin-bottom: 6px;
}

.frontmatter-field strong {
  color: #24292f;
}

@media (prefers-color-scheme: dark) {
  .frontmatter-field {
    color: #8b949e;
  }

  .frontmatter-field strong {
    color: #c9d1d9;
  }
}

/* 标签徽章（Tag badges） */
.frontmatter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.frontmatter-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--theme-color, #42b983);
  background: rgba(66, 185, 131, 0.1);
  border: 1px solid rgba(66, 185, 131, 0.3);
  border-radius: 12px;
  white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
  .frontmatter-tag {
    color: #58a6ff;
    background: rgba(88, 166, 255, 0.1);
    border-color: rgba(88, 166, 255, 0.3);
  }
}

/* 相关页面列表（Related pages list） */
.frontmatter-related-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0 0;
}

.frontmatter-related-list li {
  margin: 4px 0;
  padding-left: 16px;
  position: relative;
}

.frontmatter-related-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--theme-color, #42b983);
}

.frontmatter-related-list a.wikilink {
  color: var(--theme-color, #42b983);
  text-decoration: none;
  font-size: 14px;
}

.frontmatter-related-list a.wikilink:hover {
  text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
  .frontmatter-related-list li::before {
    color: #58a6ff;
  }

  .frontmatter-related-list a.wikilink {
    color: #58a6ff;
  }
}

/* 响应式设计（Responsive design） */
@media (max-width: 768px) {
  .frontmatter-toggle {
    font-size: 13px;
    padding: 8px 12px;
  }

  .frontmatter-body {
    padding: 12px;
  }

  .frontmatter-field {
    font-size: 13px;
  }

  .frontmatter-tag {
    font-size: 11px;
    padding: 2px 8px;
  }
}

/* 打印样式（Print styles） */
@media print {
  .frontmatter-container {
    border: 1px solid #ddd;
    background: #fff;
    page-break-inside: avoid;
  }

  .frontmatter-toggle {
    display: none;
  }

  .frontmatter-content {
    display: block !important;
    border-top: none;
  }
}