/* ========================================
   YouDaoRS MC Wiki - 终极现代化版 v3.0
   全新设计语言 + 丝滑动画系统
   ======================================== */

/* ========== 全局设计系统变量 ========== */

:root {
  /* 现代玻璃拟态效果 */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-hover: rgba(255, 255, 255, 0.1);
  --glass-bg-active: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.12);
  --glass-shadow-hover: 0 16px 48px rgba(31, 38, 135, 0.18);
  --glass-blur: blur(28px);
  
  /* 统一圆角系统 */
  --radius-xs: 8px;
  --radius-small: 12px;
  --radius-medium: 20px;
  --radius-large: 28px;
  --radius-xlarge: 36px;
  --radius-2xlarge: 48px;
  
  /* 现代渐变色系 */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-purple: linear-gradient(135deg, #7c4dff 0%, #ffc107 100%);
  --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-green: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-pink: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-glass: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.08) 0%, 
    rgba(255, 255, 255, 0.03) 100%);
  
  /* 统一动画时长 */
  --duration-instant: 0.1s;
  --duration-fast: 0.2s;
  --duration-normal: 0.35s;
  --duration-slow: 0.5s;
  --duration-slower: 0.7s;
  
  /* 统一缓动函数 */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* 间距系统 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
}

/* 暗色模式变量 */
[data-md-color-scheme="slate"] {
  --glass-bg: rgba(0, 0, 0, 0.25);
  --glass-bg-hover: rgba(0, 0, 0, 0.35);
  --glass-bg-active: rgba(0, 0, 0, 0.45);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
}

/* ========== 🎨 全局页面转场动画 ========== */

@keyframes page-load {
  0% {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.md-content__inner {
  animation: page-load var(--duration-slow) var(--ease-out);
}

@keyframes scroll-reveal {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========== 隐藏Material Design的顶部进度条 ========== */
.md-progress {
  display: none !important;
}

/* ========== 🎨 现代化导航栏设计 ========== */

.md-header {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) saturate(180%);
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  border-radius: 0 !important;
  box-shadow: var(--glass-shadow);
  transition: all var(--duration-normal) var(--ease-smooth);
  position: sticky;
  top: 0;
  z-index: 5;
  isolation: isolate;
}

.md-header[data-md-state="shadow"] {
  box-shadow: var(--glass-shadow-hover);
  border-bottom-color: rgba(124, 77, 255, 0.3);
}

.md-header__button.md-logo {
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.md-header__button.md-logo:hover {
  transform: scale(1.1) rotate(5deg);
}

/* 搜索框现代化 */
.md-search__form {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.md-search__form:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow);
  border-color: rgba(124, 77, 255, 0.3);
}

.md-search__form:focus-within {
  background: var(--glass-bg-active);
  box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.2),
              var(--glass-shadow-hover);
  border-color: rgba(124, 77, 255, 0.5);
  transform: scale(1.02);
}

/* 标签页导航 */
.md-tabs {
  background: transparent !important;
  backdrop-filter: none;
  border: none;
  border-bottom: none !important;
  box-shadow: none;
}

.md-tabs__list {
  background: transparent;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  gap: var(--space-xs);
}

.md-tabs__link {
  position: relative;
  transition: all var(--duration-normal) var(--ease-smooth);
  border-radius: var(--radius-large) var(--radius-large) 0 0;
  margin: 0;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  overflow: hidden;
}

.md-tabs__link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-bg);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  z-index: -1;
  border-radius: inherit;
}

.md-tabs__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--gradient-purple);
  transition: all var(--duration-normal) var(--ease-spring);
  transform: translateX(-50%);
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  box-shadow: 0 0 12px rgba(124, 77, 255, 0.5);
}

.md-tabs__link:hover {
  background: rgba(124, 77, 255, 0.06);
  transform: translateY(-2px);
}

.md-tabs__link:hover::before {
  opacity: 1;
}

.md-tabs__link:hover::after {
  width: 70%;
}

.md-tabs__link--active {
  background: rgba(124, 77, 255, 0.1);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 4px 12px rgba(124, 77, 255, 0.15);
}

.md-tabs__link--active::before {
  opacity: 1;
}

.md-tabs__link--active::after {
  width: 100%;
}

.md-tabs__link:active {
  transform: translateY(1px);
  transition-duration: var(--duration-fast);
}

/* 修复亮色模式文字颜色 */
[data-md-color-scheme="default"] .md-header {
  color: rgba(0, 0, 0, 0.87);
}

[data-md-color-scheme="default"] .md-header__button {
  color: rgba(0, 0, 0, 0.54);
}

[data-md-color-scheme="default"] .md-header__title {
  color: rgba(0, 0, 0, 0.87);
}

[data-md-color-scheme="default"] .md-search__input {
  color: rgba(0, 0, 0, 0.87);
  background-color: rgba(0, 0, 0, 0.07);
}

[data-md-color-scheme="default"] .md-tabs__link {
  color: rgba(0, 0, 0, 0.7);
}

[data-md-color-scheme="default"] .md-tabs__link--active {
  color: var(--md-primary-fg-color);
}

[data-md-color-scheme="slate"] .md-header {
  color: rgba(255, 255, 255, 0.87);
}

[data-md-color-scheme="slate"] .md-header__button {
  color: rgba(255, 255, 255, 0.7);
}

[data-md-color-scheme="slate"] .md-tabs__link {
  color: rgba(255, 255, 255, 0.7);
}

/* ========== 🎨 优雅顶部进度条 ========== */

#reading-progress-container {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  z-index: 3;
  pointer-events: none;
  background: transparent;
  transition: all var(--duration-normal) var(--ease-smooth);
  opacity: 1;
  margin-top: 64px;
  pointer-events: none;
}

#reading-progress-container:hover {
  height: 6px;
  opacity: 1;
}

#reading-progress-track {
  position: relative;
  width: 100%;
  height: 100%;
  background: rgba(124, 77, 255, 0.15);
  overflow: hidden;
}

#reading-progress-bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: var(--gradient-purple);
  transition: width var(--duration-fast) var(--ease-out);
  box-shadow: 
    0 0 12px rgba(124, 77, 255, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

#reading-progress-bar::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 80px;
  height: 200%;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  transform: translateY(-50%);
  filter: blur(4px);
  animation: progress-glow 2s ease-in-out infinite;
}

@keyframes progress-glow {
  0%, 100% {
    opacity: 0.6;
    transform: translateY(-50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
  }
}

#reading-progress-text {
  display: none;
}

@media screen and (max-width: 768px) {
  #reading-progress-container { display: block; margin-top: 0; }
}

/* ========== 🎨 链接预览框优化 ========== */

.md-tooltip--hover {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) saturate(180%) !important;
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xlarge) !important;
  padding: var(--space-md) !important;
  box-shadow: var(--glass-shadow-hover) !important;
  max-width: 400px !important;
  overflow: hidden !important;
  animation: preview-slide-in var(--duration-slow) var(--ease-bounce) !important;
  transform-origin: top center;
}

@keyframes preview-slide-in {
  0% {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
    filter: blur(10px);
  }
  60% {
    transform: translateY(2px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

.md-tooltip--hover h1,
.md-tooltip--hover h2,
.md-tooltip--hover h3 {
  margin-top: 0 !important;
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid rgba(124, 77, 255, 0.3);
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== 🎨 现代卡片设计系统 ========== */

.md-typeset .grid.cards > :is(ul, ol) > li {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur) saturate(180%);
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xlarge) !important;
  padding: var(--space-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.md-typeset .grid.cards > :is(ul, ol) > li:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(124, 77, 255, 0.25);
  border-color: rgba(124, 77, 255, 0.4);
}

.md-typeset .grid.cards > :is(ul, ol) > li:active {
  transform: translateY(-4px);
  transition-duration: var(--duration-fast);
}

/* 卡片标题增强 */
.md-typeset .grid.cards > :is(ul, ol) > li > h2,
.md-typeset .grid.cards > :is(ul, ol) > li > h3 {
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

/* 卡片图标动画 */
.md-typeset .grid.cards > :is(ul, ol) > li .twemoji {
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.md-typeset .grid.cards > :is(ul, ol) > li:hover .twemoji {
  transform: scale(1.2) rotate(5deg);
}

/* ========== 🎨 按钮系统 ========== */

.md-button {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large) !important;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  transition: all var(--duration-normal) var(--ease-spring);
  box-shadow: var(--glass-shadow);
}

.md-button:hover {
  background: var(--gradient-purple);
  color: white;
  border-color: transparent;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 12px 32px rgba(124, 77, 255, 0.4);
}

.md-button:active {
  transform: translateY(0) scale(1);
  transition-duration: var(--duration-fast);
}

.md-button--primary {
  background: var(--gradient-purple);
  color: white;
  border: none;
}

.md-button--primary:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 16px 48px rgba(124, 77, 255, 0.5);
}

/* ========== 🎨 提示框（Admonition）现代化 ========== */

.md-typeset .admonition {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur) saturate(180%);
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large) !important;
  border-left: 4px solid;
  box-shadow: var(--glass-shadow);
  transition: all var(--duration-normal) var(--ease-smooth);
  overflow: hidden;
}

.md-typeset .admonition:hover {
  transform: translateX(4px);
  box-shadow: var(--glass-shadow-hover);
}

.md-typeset .admonition-title {
  font-weight: 700;
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg-hover);
  border-radius: var(--radius-medium) var(--radius-medium) 0 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.md-typeset .admonition-title::before {
  transition: transform var(--duration-normal) var(--ease-bounce);
  flex-shrink: 0;
  margin-right: 0;
}

.md-typeset .admonition:hover .admonition-title::before {
  transform: scale(1.2) rotate(10deg);
}

/* ========== 🎨 代码块优化 ========== */

.md-typeset pre {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large) !important;
  box-shadow: var(--glass-shadow);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.md-typeset pre:hover {
  box-shadow: var(--glass-shadow-hover);
  border-color: rgba(124, 77, 255, 0.3);
}

.md-typeset code {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  padding: 0.2em 0.4em;
  transition: all var(--duration-fast);
}

.md-typeset code:hover {
  background: var(--glass-bg-hover);
  transform: scale(1.05);
}

.md-clipboard {
  transition: all var(--duration-normal) var(--ease-bounce);
  border-radius: var(--radius-small) !important;
}

.md-clipboard:hover {
  background: var(--gradient-purple) !important;
  transform: scale(1.1);
}

/* ========== 🎨 表格现代化 ========== */

.md-typeset table:not([class]) {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

.md-typeset table:not([class]) thead {
  background: var(--glass-bg-hover);
}

.md-typeset table:not([class]) th {
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.md-typeset table:not([class]) tr {
  transition: all var(--duration-fast);
}

.md-typeset table:not([class]) tr:hover {
  background: var(--glass-bg-hover);
  transform: scale(1.01);
}

/* ========== 🎨 博客文章样式 ========== */

.md-post {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur) saturate(180%);
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xlarge) !important;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: all var(--duration-slow) var(--ease-spring);
}

.md-post:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(124, 77, 255, 0.3);
}

/* ========== 🎨 Blocks Admonition 样式修复 ========== */

/* 确保blocks admonition正确显示 */
.admonition-block,
div[class*="block-"] {
  margin: 1em 0;
  padding: 0;
  border-left: 0.2rem solid;
  border-radius: 0.2rem;
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

/* Success类型 */
.admonition.success,
.block-success,
div[class*="success"] .admonition-title,
.md-typeset .admonition.success {
  border-color: #00c853;
}

.admonition.success > .admonition-title,
.block-success > .admonition-title {
  background-color: rgba(0, 200, 83, 0.1);
  border-color: #00c853;
}

.admonition.success > .admonition-title::before,
.block-success > .admonition-title::before {
  background-color: #00c853;
  -webkit-mask-image: var(--md-admonition-icon--success);
  mask-image: var(--md-admonition-icon--success);
}

/* Info类型 */
.admonition.info,
.block-info,
div[class*="info"] .admonition-title,
.md-typeset .admonition.info {
  border-color: #00b0ff;
}

.admonition.info > .admonition-title,
.block-info > .admonition-title {
  background-color: rgba(0, 176, 255, 0.1);
  border-color: #00b0ff;
}

.admonition.info > .admonition-title::before,
.block-info > .admonition-title::before {
  background-color: #00b0ff;
  -webkit-mask-image: var(--md-admonition-icon--info);
  mask-image: var(--md-admonition-icon--info);
}

/* ========== 🎨 标签系统 ========== */

.md-tag {
  background: var(--glass-bg);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(10px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large) !important;
  padding: var(--space-xs) 1.2rem;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--duration-normal) var(--ease-bounce);
}

.md-tag:hover {
  background: var(--gradient-purple);
  color: white;
  border-color: transparent;
  transform: scale(1.15);
  box-shadow: 0 6px 16px rgba(124, 77, 255, 0.4);
}

/* ========== 🎨 侧边栏优化 ========== */

.md-sidebar {
  transition: transform var(--duration-normal) var(--ease-smooth);
  z-index: 6;
}

.md-nav__link {
  border-radius: var(--radius-small);
  transition: all var(--duration-fast) var(--ease-smooth);
  padding: 0.6rem 1rem;
  margin: 0.2rem 0;
}

.md-nav__link:hover {
  background: rgba(124, 77, 255, 0.08);
  transform: translateX(4px);
}

.md-nav__link--active {
  background: rgba(124, 77, 255, 0.15);
  color: var(--md-primary-fg-color);
  font-weight: 700;
  border-left: 3px solid var(--md-primary-fg-color);
}

/* ========== 🎨 社交图标对齐修复 ========== */

.md-social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.md-social__link {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px;
  height: 36px;
}

.md-social__link svg {
  width: 20px;
  height: 20px;
  vertical-align: middle;
}

/* 修复页面内图标对齐 */
.md-typeset [class*="twemoji"],
.md-typeset [class*="icon"] {
  vertical-align: middle;
  display: inline-block;
}

/* 修复聊天气泡图标对齐 */
.md-content a[href*="qq.com"],
.md-content a[href*="discord"] {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* 确保所有内联图标正确对齐 */
.md-typeset p img,
.md-typeset li img {
  vertical-align: middle;
  max-width: 100%;
}

/* ========== 🔧 修复 Admonition 图标对齐问题 ========== */
.md-typeset .admonition-title::before,
.md-typeset summary::before {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  vertical-align: middle !important;
  margin-right: 0.6rem !important;
  margin-top: 0 !important;
  position: relative !important;
  top: 0 !important;
}

.md-typeset .admonition > .admonition-title,
.md-typeset details > summary {
  display: flex !important;
  align-items: center !important;
}

/* 确保所有类型的 admonition 图标都正确对齐 */
.md-typeset .admonition.note > .admonition-title::before,
.md-typeset .admonition.abstract > .admonition-title::before,
.md-typeset .admonition.info > .admonition-title::before,
.md-typeset .admonition.tip > .admonition-title::before,
.md-typeset .admonition.success > .admonition-title::before,
.md-typeset .admonition.question > .admonition-title::before,
.md-typeset .admonition.warning > .admonition-title::before,
.md-typeset .admonition.failure > .admonition-title::before,
.md-typeset .admonition.danger > .admonition-title::before,
.md-typeset .admonition.bug > .admonition-title::before,
.md-typeset .admonition.example > .admonition-title::before,
.md-typeset .admonition.quote > .admonition-title::before {
  line-height: 1 !important;
  height: 1.25rem !important;
  width: 1.25rem !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

/* ========== 🎨 页脚优化 ========== */

.md-footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

/* ========== 🎨 对话框/悬浮窗动画 ========== */

.md-dialog {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) saturate(180%) !important;
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-2xlarge) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3) !important;
  overflow: hidden !important;
  animation: dialog-slide-in var(--duration-slower) var(--ease-bounce) !important;
}

@keyframes dialog-slide-in {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(40px);
  }
  60% {
    transform: scale(1.05) translateY(-10px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.md-dialog__title {
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.md-dialog__inner {
  padding: var(--space-lg) !important;
}

/* ========== 🎨 回到顶部按钮 ========== */

.md-top {
  position: fixed !important;
  bottom: var(--space-lg) !important;
  right: var(--space-lg) !important;
  width: 56px !important;
  height: 56px !important;
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) saturate(180%) !important;
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%) !important;
  border: 2px solid var(--glass-border) !important;
  border-radius: 50% !important;
  box-shadow: var(--glass-shadow) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all var(--duration-normal) var(--ease-smooth) !important;
  overflow: hidden !important;
  z-index: 99 !important;
  cursor: pointer !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(20px) !important;
  /* 隐藏文字内容 */
  color: transparent !important;
  font-size: 0 !important;
  line-height: 0 !important;
  text-indent: -9999px !important;
}

.md-top[data-md-state="hidden"] {
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(20px) !important;
  pointer-events: none !important;
}

.md-top:not([data-md-state="hidden"]) {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
  pointer-events: auto !important;
}

.md-top svg {
  width: 24px !important;
  height: 24px !important;
  color: var(--md-primary-fg-color) !important;
  transition: transform var(--duration-normal) var(--ease-bounce) !important;
  /* 确保SVG图标显示 */
  opacity: 1 !important;
  visibility: visible !important;
}

.md-top:hover {
  transform: translateY(-8px) scale(1.08) !important;
  background: var(--glass-bg-hover) !important;
  border-color: rgba(124, 77, 255, 0.4) !important;
  box-shadow: 0 12px 32px rgba(124, 77, 255, 0.25) !important;
}

.md-top:hover svg {
  transform: translateY(-2px) !important;
}

.md-top:active {
  transform: translateY(-6px) scale(1.05) !important;
}

.md-top::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: transparent;
  opacity: 0;
  transition: opacity var(--duration-normal);
  z-index: -1;
}

/* ========== 🎨 鼠标跟随高光效果 ========== */

#mouse-spotlight {
  position: fixed;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  background: radial-gradient(
    circle at center,
    rgba(124, 77, 255, 0.06) 0%,
    rgba(124, 77, 255, 0.03) 30%,
    transparent 65%
  );
  mix-blend-mode: screen;
  transform: translate(-50%, -50%);
  transition: opacity var(--duration-slow) ease;
  opacity: 0;
}

body:hover #mouse-spotlight {
  opacity: 0.8;
}

[data-md-color-scheme="slate"] #mouse-spotlight {
  background: radial-gradient(
    circle at center,
    rgba(124, 77, 255, 0.12) 0%,
    rgba(124, 77, 255, 0.06) 30%,
    transparent 65%
  );
}

/* ========== 📱 响应式优化 ========== */

@media screen and (max-width: 768px) {
  :root {
    --radius-xs: 6px;
    --radius-small: 10px;
    --radius-medium: 16px;
    --radius-large: 22px;
    --radius-xlarge: 28px;
    --radius-2xlarge: 36px;
    
    --space-xs: 0.4rem;
    --space-sm: 0.8rem;
    --space-md: 1.2rem;
    --space-lg: 1.6rem;
    --space-xl: 2.4rem;
    --space-2xl: 3.2rem;
  }
  
  .md-typeset .grid.cards > :is(ul, ol) > li {
    padding: var(--space-md);
  }
  
  .md-tabs__link {
    padding: 0.6rem 1rem;
    margin: 0;
  }
  
  .md-top {
    bottom: var(--space-md) !important;
    right: var(--space-md) !important;
    width: 48px !important;
    height: 48px !important;
  }
  
  .md-top svg {
    width: 20px !important;
    height: 20px !important;
  }
}

/* ========== 🖨️ 打印优化 ========== */

@media print {
  .glass-effect,
  .md-header,
  .md-sidebar,
  .md-footer,
  #reading-progress-container,
  .md-top {
    backdrop-filter: none !important;
    background: white !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
  }
  
  #mouse-spotlight {
    display: none !important;
  }
}

/* ========== ♿ 可访问性 ========== */

.md-button:focus-visible,
.md-nav__link:focus-visible,
.md-search__input:focus-visible,
.md-tabs__link:focus-visible {
  outline: 3px solid rgba(124, 77, 255, 0.6);
  outline-offset: 3px;
  border-radius: var(--radius-small);
}

/* 减少动画（用户偏好）*/
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  #mouse-spotlight {
    display: none !important;
  }
}

/* ========== 🎨 加载动画 ========== */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading-skeleton {
  background: linear-gradient(
    90deg,
    rgba(124, 77, 255, 0.05) 0%,
    rgba(124, 77, 255, 0.15) 50%,
    rgba(124, 77, 255, 0.05) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* ========== ✨ 终极现代化版 v3.0 完成 ========== */

.md-sidebar--secondary{z-index:4;}

/* ========== 🔧 修复 Cookie 同意弹窗样式 ========== */
.md-consent {
  position: fixed !important;
  bottom: 1rem !important;
  right: 1rem !important;
  max-width: 400px !important;
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) saturate(180%) !important;
  -webkit-backdrop-filter: var(--glass-blur) saturate(180%) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-large) !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3) !important;
  padding: 1.5rem !important;
  z-index: 999 !important;
  animation: slide-in-up 0.5s var(--ease-bounce) !important;
}

.md-consent__inner {
  display: flex !important;
  flex-direction: column !important;
  gap: 1rem !important;
}

.md-consent__form {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 0.5rem !important;
}

.md-consent__button {
  padding: 0.6rem 1.2rem !important;
  border-radius: var(--radius-small) !important;
  font-weight: 600 !important;
  transition: all var(--duration-fast) var(--ease-smooth) !important;
}

.md-consent__button--accept {
  background: var(--gradient-purple) !important;
  color: white !important;
  border: none !important;
}

.md-consent__button--accept:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 20px rgba(124, 77, 255, 0.4) !important;
}

.md-consent__button--reject,
.md-consent__button--manage {
  background: rgba(124, 77, 255, 0.1) !important;
  border: 1px solid rgba(124, 77, 255, 0.3) !important;
}

.md-consent__button--reject:hover,
.md-consent__button--manage:hover {
  background: rgba(124, 77, 255, 0.2) !important;
  border-color: rgba(124, 77, 255, 0.5) !important;
}

/* ========== 🔧 修复页面切换时的滚动条错位问题 ========== */
html {
  overflow-y: scroll !important;
  scrollbar-gutter: stable !important;
}

/* 防止内容区域因滚动条出现/消失而跳动 */
.md-container {
  width: 100% !important;
  max-width: 100% !important;
}

/* 确保主内容区域不会因为滚动条变化而移动 */
.md-main {
  display: block !important;
}

/* 修复更新日志页面特定的错位问题 */
.md-content__inner {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* 移动端优化 */
@media screen and (max-width: 768px) {
  .md-consent {
    left: 1rem !important;
    right: 1rem !important;
    max-width: calc(100% - 2rem) !important;
  }
}