/* ========== Light Mode 基础修复 ========== */

/* 确保 light 模式下背景为纯白色 */
html[data-theme="light"],
html[data-theme="light"] body {
  background-color: #ffffff !important;
}

/* ========== Dark Mode 纯黑白色调 ========== */

[data-theme="dark"] {
  --card-bg: #1a1a1a;
  --sidebar-bg: #1a1a1a;
  --text-color: #e0e0e0;
  --font-color: #d0d0d0;
  --hr-border: #404040;
  --hr-before: #606060;
  --preloader-bg: #1a1a1a;
  --selection-bg: #4a4a4a;
  --border-color: #333;
  --shadow-color: rgba(0, 0, 0, 0.5);

  background-color: #0a0a0a;
  color: #e0e0e0;
}

[data-theme="dark"] body {
  background-color: #0a0a0a;
}

[data-theme="dark"] #sidebar,
[data-theme="dark"] .aside-content,
[data-theme="dark"] .card-widget {
  background: #1a1a1a !important;
  border-color: #333 !important;
}

[data-theme="dark"] #article-container {
  color: #d0d0d0 !important;
}

/* ========== Header Dark Mode 修复 ========== */

/* 1. 有头图的首页 (full_page) - 保持头图完全可见，只加深遮罩让文字更清晰 */
[data-theme="dark"] #page-header.full_page {
  /* 不覆盖 background，让 header.jpg 正常显示 */
}

[data-theme="dark"] #page-header.full_page::before {
  background-color: rgba(0, 0, 0, 0.35) !important;
}

/* 2. 无头图的页面 (not-top-img) - 给 header 一个深色背景 */
[data-theme="dark"] #page-header.not-top-img {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%) !important;
}

/* 3. 导航栏在 dark 模式下的样式 */
[data-theme="dark"] #page-header.not-top-img #nav,
[data-theme="dark"] #page-header.nav-fixed #nav {
  background: rgba(18, 18, 18, 0.85) !important;
  box-shadow: 0 5px 6px -5px rgba(0, 0, 0, 0.3) !important;
}

/* 4. 导航栏文字颜色 - 确保在 dark 模式下可见 */
[data-theme="dark"] #page-header #nav a,
[data-theme="dark"] #page-header #nav span.site-page,
[data-theme="dark"] #page-header #nav .site-name,
[data-theme="dark"] #page-header #nav #blog-info {
  color: #e0e0e0 !important;
  text-shadow: none !important;
}

[data-theme="dark"] #page-header #nav a:hover,
[data-theme="dark"] #page-header #nav span.site-page:hover {
  color: #ffffff !important;
}

/* 5. 首页头图上的标题文字 */
[data-theme="dark"] #page-header #site-title {
  color: #ffffff !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5) !important;
}

[data-theme="dark"] #page-header #site-subtitle,
[data-theme="dark"] #page-header #scroll-down .scroll-down-effects {
  color: #d0d0d0 !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5) !important;
}

/* 6. 社交图标 */
[data-theme="dark"] #page-header #site_social_icons .social-icon {
  color: #d0d0d0 !important;
}

[data-theme="dark"] a {
  color: #b0b0b0;
}

[data-theme="dark"] a:hover {
  color: #fff;
}

/* ========== Footer Dark Mode 终极修复 ========== */

/* 1. 基础覆盖 - 使用最高优先级 */
html[data-theme="dark"] body #footer,
[data-theme="dark"] footer#footer,
[data-theme="dark"] #footer {
  background-color: #1a1a1a !important;
  background: #1a1a1a !important;
  background-image: none !important;
  background: linear-gradient(to bottom, #1a1a1a, #1a1a1a) !important;
  color: #d0d0d0 !important;
  position: relative;
}

/* 2. 移除伪元素遮罩 - 这是关键！*/
[data-theme="dark"] #footer::before,
[data-theme="dark"] #footer::after {
  display: none !important;
  content: none !important;
  background: transparent !important;
  background-image: none !important;
  opacity: 0 !important;
}

/* 3. 子元素容器 */
[data-theme="dark"] #footer .footer-other,
[data-theme="dark"] #footer .footer-copyright,
[data-theme="dark"] #footer .footer-flex {
  background: transparent !important;
  background-image: none !important;
  color: #b0b0b0 !important;
}

/* 4. 所有子元素文字颜色 */
[data-theme="dark"] #footer * {
  color: #b0b0b0 !important;
  border-color: #333 !important;
}

/* 5. 链接样式 */
[data-theme="dark"] #footer a,
[data-theme="dark"] #footer .framework-info a,
[data-theme="dark"] #footer .copyright a {
  color: #909090 !important;
  text-decoration: none !important;
}

[data-theme="dark"] #footer a:hover,
[data-theme="dark"] #footer .framework-info a:hover {
  color: #ffffff !important;
}

/* 6. 版权信息特殊处理 */
[data-theme="dark"] #footer .copyright,
[data-theme="dark"] #footer .framework-info,
[data-theme="dark"] #footer span {
  color: #909090 !important;
}

/* 7. 分隔符 */
[data-theme="dark"] #footer .footer-separator {
  color: #606060 !important;
}

/* 无图文章头图区域 - 纯色背景 */
[data-theme="dark"] .post-bg:not([style*="background-image"]) {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%) !important;
}

/* ========== 代码块下载按钮样式 ========== */

/* 下载按钮容器 */
.code-download-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: #2d2d2d;
  border-bottom: 1px solid #444;
  border-radius: 8px 8px 0 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
}

/* 文件名 */
.code-download-bar .code-filename {
  color: #e0e0e0;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.code-download-bar .code-filename::before {
  content: "📄";
  font-size: 14px;
}

/* 下载按钮 */
.code-download-bar .code-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #4a9eff;
  color: #fff !important;
  text-decoration: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.code-download-bar .code-download-btn:hover {
  background: #357abd;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

.code-download-bar .code-download-btn::before {
  content: "⬇";
  font-size: 12px;
}

/* 让代码块和下载按钮融为一体 */
.code-download-wrap {
  margin: 1.5rem 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.code-download-wrap pre,
.code-download-wrap .highlight {
  margin: 0 !important;
  border-radius: 0 0 8px 8px !important;
}

/* Light mode 适配 */
html[data-theme="light"] .code-download-bar {
  background: #f5f5f5;
  border-bottom: 1px solid #e0e0e0;
}

html[data-theme="light"] .code-download-bar .code-filename {
  color: #333;
}

html[data-theme="light"] .code-download-bar .code-download-btn {
  background: #0066cc;
}

html[data-theme="light"] .code-download-bar .code-download-btn:hover {
  background: #0052a3;
}

/* ========== 文件下载卡片样式（通用） ========== */

.file-download-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  margin: 1.5rem 0;
  background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
  border: 1px solid #444;
  border-radius: 12px;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.file-download-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border-color: #4a9eff;
}

.file-download-card .file-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.file-download-card .file-info {
  flex: 1;
  min-width: 0;
}

.file-download-card .file-name {
  font-size: 15px;
  font-weight: 600;
  color: #e0e0e0;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-download-card .file-meta {
  font-size: 12px;
  color: #888;
}

.file-download-card .file-download-btn {
  padding: 8px 18px;
  background: #4a9eff;
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.file-download-card:hover .file-download-btn {
  background: #357abd;
}

/* Light mode */
html[data-theme="light"] .file-download-card {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-color: #dee2e6;
}

html[data-theme="light"] .file-download-card:hover {
  border-color: #0066cc;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

html[data-theme="light"] .file-download-card .file-name {
  color: #333;
}

html[data-theme="light"] .file-download-card .file-meta {
  color: #666;
}

html[data-theme="light"] .file-download-card .file-download-btn {
  background: #0066cc;
}

html[data-theme="light"] .file-download-card:hover .file-download-btn {
  background: #0052a3;
}