/* Butterfly主题自定义深色渐变样式覆盖 */

/* 基础深色渐变背景和排版 */
html[data-theme='dark'] body {
  /* 深夜渐变: #0d2538 -> #1b3b52 -> #0f2027 */
  background: linear-gradient(135deg, #0d2538 0%, #1b3b52 50%, #0f2027 100%) fixed;
  color: rgba(255, 255, 255, 0.88);
}

/* 卡片带有微妙的半透明和模糊效果 */
html[data-theme='dark'] .card-widget,
html[data-theme='dark'] .card,
html[data-theme='dark'] .recent-posts .recent-post-item,
html[data-theme='dark'] .post,
html[data-theme='dark'] .aside-list > .aside-list-item,
html[data-theme='dark'] .relatedPosts > .relatedPosts-list > div {
  background: linear-gradient(135deg, rgba(13, 37, 56, 0.75) 0%, rgba(27, 59, 82, 0.65) 50%, rgba(15, 32, 39, 0.75) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(139, 178, 217, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
}

/* 卡片悬停效果 */
html[data-theme='dark'] .card-widget:hover,
html[data-theme='dark'] .card:hover,
html[data-theme='dark'] .recent-posts .recent-post-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  border-color: rgba(139, 178, 217, 0.25);
  transition: all 0.3s ease;
}

/* 头像背景增强 */
html[data-theme='dark'] .avatar-img {
  background: linear-gradient(135deg, rgba(18, 194, 233, 0.2) 0%, rgba(0, 164, 151, 0.2) 100%);
  border: 2px solid rgba(139, 178, 217, 0.3);
  box-shadow: 0 0 20px rgba(18, 194, 233, 0.3);
}

/* 页头和页脚与渐变融合 */
html[data-theme='dark'] #page-header,
html[data-theme='dark'] #footer {
  background: transparent;
}

/* 强调色：青绿色渐变用于链接和选择 */
html[data-theme='dark'] a,
html[data-theme='dark'] .links-of-author a,
html[data-theme='dark'] .article-meta__categories a,
html[data-theme='dark'] .article-meta__tags a {
  color: #8cb2d9;
  transition: color .2s ease, text-shadow .2s ease;
}
html[data-theme='dark'] a:hover {
  color: #12c2e9;
  text-shadow: 0 0 8px rgba(18, 194, 233, 0.4);
}

/* 按钮样式 */
html[data-theme='dark'] :root {
  --btn-bg: linear-gradient(135deg, #00a497 0%, #12c2e9 100%);
  --btn-hover-color: linear-gradient(135deg, #12c2e9 0%, #00a497 100%);
  --btn-color: #0a1118;
  --text-highlight-color: #8cb2d9;
  --scrollbar-color: #12c2e9;
}

/* 侧边栏、搜索框等 */
html[data-theme='dark'] .sidebar,
html[data-theme='dark'] .sidebar #aside-content > .card-widget,
html[data-theme='dark'] .search-dialog .search-dialog__title,
html[data-theme='dark'] .search-dialog .search-nav {
  background: rgba(10, 20, 28, 0.5);
}


/* 引用块条纹强调 */
html[data-theme='dark'] blockquote {
  border-left: 3px solid #12c2e9;
  background: rgba(18, 194, 233, 0.06);
}

/* 分割线微妙样式 */
html[data-theme='dark'] hr {
  border-color: #2a4356;
}

/* 目录链接颜色和悬停效果 */
html[data-theme='dark'] #aside-content .toc .toc-item a {
  color: #12c2e9;
}
html[data-theme='dark'] #aside-content .toc .toc-item a:hover {
  color: #8cb2d9;
}

/* 分页和标签 */
html[data-theme='dark'] .pagination .page-number,
html[data-theme='dark'] .tag-cloud a,
html[data-theme='dark'] .article-tags .tag {
  background: rgba(10, 20, 28, 0.6);
  border: 1px solid rgba(255,255,255,0.06);
}

/* 文章标题的精美悬停效果 */
html[data-theme='dark'] .recent-post-info .article-title a:hover,
html[data-theme='dark'] .post-title a:hover {
  color: #12c2e9;
}

/* 主题切换的平滑过渡 */
html[data-theme='dark'] body, html[data-theme='dark'] .card, html[data-theme='dark'] .card-widget {
  transition: background .3s ease, color .3s ease, border-color .3s ease;
}


/* 更大的艺术首页标题 - 渐变文字，无外部字体依赖 */
html[data-theme='dark'] #site-info #site-title.custom-title-art {
  font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif !important;
  font-weight: 800 !important;
  font-size: clamp(3rem, 6vw, 6rem) !important;
  letter-spacing: 0.04em !important;
  /* 不支持background-clip的浏览器的备用颜色 */
  color: #12c2e9 !important;
  background: linear-gradient(135deg, #f8f9fb 0%, #b7e3ff 35%, #67e8f9 55%, #12c2e9 80%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  text-shadow: 0 2px 24px rgba(18,194,233,0.15), 0 2px 40px rgba(103,232,249,0.12) !important;
  /* 强制居中 */
  display: block !important;
  text-align: center !important;
  margin: 0 auto !important;
}

/* 确保在不支持background-clip时文字可见 */
@supports not (-webkit-background-clip: text) {
  html[data-theme='dark'] #site-info #site-title.custom-title-art {
    color: #12c2e9 !important;
    -webkit-text-fill-color: #12c2e9 !important;
  }
}

/* AnuPpuccin主题风格的Markdown样式 - 基于Catppuccin调色板 */
/* Catppuccin Mocha颜色变量定义 */
:root {
  --ctp-rosewater: #f5e0dc;
  --ctp-flamingo: #f2cdcd;
  --ctp-pink: #f5c2e7;
  --ctp-mauve: #cba6f7;
  --ctp-red: #f38ba8;
  --ctp-maroon: #eba0ac;
  --ctp-peach: #fab387;
  --ctp-yellow: #f9e2af;
  --ctp-green: #a6e3a1;
  --ctp-teal: #94e2d5;
  --ctp-sky: #89dceb;
  --ctp-sapphire: #74c7ec;
  --ctp-blue: #89b4fa;
  --ctp-lavender: #b4befe;
  --ctp-text: #cdd6f4;
  --ctp-subtext1: #bac2de;
  --ctp-subtext0: #a6adc8;
  --ctp-overlay2: #9399b2;
  --ctp-overlay1: #7f849c;
  --ctp-overlay0: #6c7086;
  --ctp-surface2: #585b70;
  --ctp-surface1: #45475a;
  --ctp-surface0: #313244;
  --ctp-base: #1e1e2e;
  --ctp-mantle: #181825;
  --ctp-crust: #11111b;
}

/* Markdown标题样式 */
html[data-theme='dark'] .post-content h1 {
  color: var(--ctp-red) !important;
  font-family: "Noto Serif", serif;
  font-weight: 700;
  font-size: 2em;
  line-height: 1.2;
  margin: 15px 0;
  transition: color 0.3s ease;
}

html[data-theme='dark'] .post-content h2 {
  color: var(--ctp-peach) !important;
  font-family: "Noto Serif", serif;
  font-weight: 600;
  font-size: 1.6em;
  line-height: 1.2;
  margin: 15px 0;
  transition: color 0.3s ease;
}

html[data-theme='dark'] .post-content h3 {
  color: var(--ctp-green) !important;
  font-family: "Noto Serif", serif;
  font-weight: 600;
  font-size: 1.37em;
  line-height: 1.3;
  margin: 15px 0;
  transition: color 0.3s ease;
}

html[data-theme='dark'] .post-content h4 {
  color: var(--ctp-teal) !important;
  font-family: "Noto Serif", serif;
  font-weight: 600;
  font-size: 1.25em;
  line-height: 1.4;
  margin: 15px 0;
  transition: color 0.3s ease;
}

html[data-theme='dark'] .post-content h5 {
  color: var(--ctp-lavender) !important;
  font-family: "Noto Serif", serif;
  font-weight: 600;
  font-size: 1.12em;
  line-height: 1.5;
  margin: 15px 0;
  transition: color 0.3s ease;
}

html[data-theme='dark'] .post-content h6 {
  color: var(--ctp-mauve) !important;
  font-family: "Noto Serif", serif;
  font-weight: 600;
  font-size: 1.12em;
  line-height: 1.5;
  margin: 15px 0;
  transition: color 0.3s ease;
}

/* Markdown加粗文字样式 - 使用蓝色调 */
html[data-theme='dark'] .post-content strong,
html[data-theme='dark'] .post-content b {
  color: var(--ctp-blue) !important;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(137, 180, 250, 0.15) 0%, rgba(69, 71, 90, 0.1) 100%);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  border: 1px solid rgba(137, 180, 250, 0.2);
  transition: all 0.2s ease;
}

/* 加粗文字悬停效果 */
html[data-theme='dark'] .post-content strong:hover,
html[data-theme='dark'] .post-content b:hover {
  background: linear-gradient(135deg, rgba(137, 180, 250, 0.25) 0%, rgba(69, 71, 90, 0.15) 100%);
  border-color: rgba(137, 180, 250, 0.4);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(137, 180, 250, 0.2);
}

/* Markdown斜体文字样式 - 使用浅蓝色调 */
html[data-theme='dark'] .post-content em,
html[data-theme='dark'] .post-content i {
  color: var(--ctp-lavender) !important;
  font-style: italic;
  background: linear-gradient(135deg, rgba(180, 190, 254, 0.1) 0%, transparent 100%);
  padding: 0.05em 0.2em;
  border-radius: 2px;
}

/* Markdown列表样式优化 - 使用Overlay1 */
html[data-theme='dark'] .post-content ul li::marker,
html[data-theme='dark'] .post-content ol li::marker {
  color: var(--ctp-overlay1);
}

html[data-theme='dark'] .post-content ul li,
html[data-theme='dark'] .post-content ol li {
  margin-bottom: 0.5em;
  line-height: 1.6;
  color: var(--ctp-text);
}

/* Markdown链接样式 - 使用Sapphire */
html[data-theme='dark'] .post-content a {
  color: var(--ctp-sapphire) !important;
  text-decoration: none;
  border-bottom: 1px solid rgba(116, 199, 236, 0.3);
  transition: all 0.2s ease;
}

html[data-theme='dark'] .post-content a:hover {
  color: var(--ctp-sky) !important;
  border-bottom-color: var(--ctp-sky);
  text-shadow: 0 0 8px rgba(137, 220, 235, 0.4);
}

/* Markdown表格样式 - 使用Surface和Overlay色调 */
html[data-theme='dark'] .post-content table {
  border-collapse: collapse;
  margin: 1em 0;
  background: var(--ctp-surface0);
  border-radius: 8px;
  overflow: hidden;
}

html[data-theme='dark'] .post-content table th {
  background: linear-gradient(135deg, rgba(203, 166, 247, 0.2) 0%, rgba(69, 71, 90, 0.2) 100%);
  color: var(--ctp-mauve) !important;
  font-weight: 700;
  padding: 0.8em;
  border: 1px solid rgba(203, 166, 247, 0.2);
}

html[data-theme='dark'] .post-content table td {
  padding: 0.6em 0.8em;
  border: 1px solid var(--ctp-overlay0);
  color: var(--ctp-text);
}

html[data-theme='dark'] .post-content table tr:nth-child(even) {
  background: rgba(69, 71, 90, 0.3);
}



/* 引用块样式 - 使用Peach */
html[data-theme='dark'] .post-content blockquote {
  border-left: 4px solid var(--ctp-peach);
  background: linear-gradient(135deg, rgba(250, 179, 135, 0.1) 0%, transparent 100%);
  padding: 1em 1.5em;
  margin: 1em 0;
  color: var(--ctp-subtext1);
  border-radius: 0 8px 8px 0;
}

/* 动画极光叠加层以丰富第二屏背景 */
/* 带有更深蓝绿色调的动画极光叠加层 */
html[data-theme='dark'] body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vh at 20% 20%, rgba(18, 158, 190, 0.15), transparent 60%),
    radial-gradient(50vw 50vh at 78% 28%, rgba(0, 120, 140, 0.14), transparent 60%),
    radial-gradient(70vw 70vh at 52% 84%, rgba(40, 70, 120, 0.10), transparent 60%);
  mix-blend-mode: screen;
  opacity: .55;
  animation: auroraFloat 26s ease-in-out infinite alternate;
}

@keyframes auroraFloat {
  0% { transform: translate3d(0,0,0) scale(1); filter: saturate(1); }
  50% { transform: translate3d(0,-1.2%,0) scale(1.02); filter: saturate(1.05); }
  100% { transform: translate3d(0,-2.4%,0) scale(1.03); filter: saturate(1.1); }
}

/* 右上角自定义菜单 */
.custom-right-menus .menu-item {
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
#nav.nav-fixed .custom-right-menus .menu-item,
#page-header.not-top-img #nav .custom-right-menus .menu-item {
  color: var(--font-color);
}
.custom-right-menus .menu-item:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #00a497 0%, #12c2e9 100%);
  color: #0a1118 !important;
}

html[data-theme='dark'] figure.highlight table,
html[data-theme='dark'] figure.highlight td,
html[data-theme='dark'] figure.highlight th {
  background: transparent !important;
  box-shadow: none !important;
}

html[data-theme='dark'] figure.highlight table,
html[data-theme='dark'] figure.highlight td,
html[data-theme='dark'] figure.highlight th {
  border: none !important;
  outline: none !important;
  border-radius: 0 !important;
}

/* 避免表格样式对代码块工具栏/容器产生影响 */
html[data-theme='dark'] figure.highlight,
html[data-theme='dark'] figure.highlight .highlight-tools {
  box-shadow: none !important;
}

/* 调整代码块工具栏复制与展开按钮的间距（dark） */
html[data-theme='dark'] figure.highlight .highlight-tools {
  gap: 6px; /* 相邻控件之间增加 6px 间距 */
}
html[data-theme='dark'] figure.highlight .highlight-tools .expand {
  margin-left: 4px; /* 展开图标与前一元素稍微拉开 */
}