/* ============================================
   Python 100天 - 科技AI风格样式
   设计理念：现代、炫酷、科技感、AI风格
   ============================================ */

/* ========== 全局字体和基础样式 ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --ai-primary: #00d4ff;
  --ai-secondary: #7c3aed;
  --ai-accent: #06b6d4;
  --ai-glow: rgba(0, 212, 255, 0.5);
  --ai-bg-dark: #0a0e27;
  --ai-bg-darker: #050812;
  --ai-text-primary: #e0e7ff;
  --ai-text-secondary: #a5b4fc;
  --ai-border: rgba(0, 212, 255, 0.2);
}

/* ========== 深色模式背景渐变 ========== */
[data-md-color-scheme="slate"] {
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0f1419 100%);
  background-attachment: fixed;
}

[data-md-color-scheme="slate"] .md-main {
  background: transparent;
}

/* ========== 浅色模式背景 ========== */
[data-md-color-scheme="default"] {
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 50%, #f1f5f9 100%);
  background-attachment: fixed;
}

/* ========== 导航栏科技感 ========== */
.md-header {
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 212, 255, 0.3),
              0 0 40px rgba(124, 58, 237, 0.2);
  border-bottom: 1px solid var(--ai-border);
}

.md-header__title {
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.5px;
  text-shadow: 0 0 20px var(--ai-glow);
  color: var(--ai-primary) !important;
}

.md-header__button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-header__button:hover {
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px var(--ai-primary));
}

/* ========== 导航标签栏 ========== */
.md-tabs {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.95) 0%, rgba(26, 31, 58, 0.95) 100%);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--ai-border);
  box-shadow: 0 2px 20px rgba(0, 212, 255, 0.2);
}

.md-tabs__link {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 2px solid transparent;
  font-weight: 500;
  color: var(--ai-text-secondary);
  position: relative;
}

.md-tabs__link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ai-primary), var(--ai-accent));
  transition: width 0.3s ease;
}

.md-tabs__link:hover {
  color: var(--ai-primary);
  text-shadow: 0 0 10px var(--ai-glow);
}

.md-tabs__link:hover::before {
  width: 100%;
}

.md-tabs__link--active {
  color: var(--ai-primary);
  border-bottom-color: var(--ai-primary);
  text-shadow: 0 0 15px var(--ai-glow);
  font-weight: 600;
}

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

/* ========== 侧边栏科技感 ========== */
.md-sidebar {
  background: rgba(10, 14, 39, 0.8);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--ai-border);
}

.md-nav__title {
  font-weight: 700;
  color: var(--ai-primary);
  text-shadow: 0 0 15px var(--ai-glow);
  font-family: 'Inter', sans-serif;
}

.md-nav__link {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--ai-text-secondary);
  border-left: 3px solid transparent;
  padding-left: 0.8rem;
  margin-left: 0.2rem;
}

.md-nav__link:hover {
  color: var(--ai-primary);
  padding-left: 1.2rem;
  border-left-color: var(--ai-primary);
  text-shadow: 0 0 8px var(--ai-glow);
  background: rgba(0, 212, 255, 0.05);
}

.md-nav__link--active {
  color: var(--ai-primary);
  font-weight: 600;
  border-left-color: var(--ai-primary);
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.1), transparent);
  text-shadow: 0 0 12px var(--ai-glow);
  box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.1);
}

/* ========== 内容区域 ========== */
.md-content {
  background: transparent;
}

.md-content__inner {
  color: var(--ai-text-primary);
  font-family: 'Inter', sans-serif;
  line-height: 1.8;
}

/* ========== 标题样式 - 科技感渐变 ========== */
.md-content h1 {
  background: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  font-size: 2.5em;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
  position: relative;
  padding-bottom: 0.5rem;
}

.md-content h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--ai-primary), transparent);
  border-radius: 2px;
}

.md-content h2 {
  background: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  font-size: 2em;
  margin-top: 2rem;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.md-content h3 {
  color: var(--ai-accent);
  font-weight: 600;
  font-size: 1.5em;
  margin-top: 1.5rem;
  margin-bottom: 0.8rem;
  text-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
}

.md-content h4 {
  color: var(--ai-text-primary);
  font-weight: 600;
  font-size: 1.25em;
  margin-top: 1.2rem;
  margin-bottom: 0.6rem;
}

.md-content h5, .md-content h6 {
  color: var(--ai-text-secondary);
  font-weight: 500;
}

/* ========== 正文文字 ========== */
.md-content p {
  color: var(--ai-text-primary);
  line-height: 1.9;
  margin-bottom: 1.2rem;
}

[data-md-color-scheme="default"] .md-content p {
  color: #1e293b;
}

/* ========== 链接样式 ========== */
.md-content a {
  color: var(--ai-accent);
  text-decoration: none;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
  font-weight: 500;
}

.md-content a:hover {
  color: var(--ai-primary);
  border-bottom-color: var(--ai-primary);
  text-shadow: 0 0 8px var(--ai-glow);
}

.md-content a:visited {
  color: var(--ai-secondary);
}

/* ========== 代码块 - 科技感 ========== */
.highlight {
  background: linear-gradient(135deg, #0f1419 0%, #1a1f3a 100%);
  border: 1px solid var(--ai-border);
  border-left: 4px solid var(--ai-primary);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2),
              inset 0 0 30px rgba(0, 212, 255, 0.05);
  margin: 1.5rem 0;
  overflow: hidden;
  position: relative;
}

.highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ai-primary), transparent);
  opacity: 0.5;
}

.highlight code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  line-height: 1.6;
  color: #e0e7ff;
}

.highlight .k, .highlight .kd {
  color: #00d4ff;
}

.highlight .s, .highlight .s1, .highlight .s2 {
  color: #06b6d4;
}

.highlight .c1, .highlight .cm {
  color: #64748b;
  font-style: italic;
}

/* ========== 行内代码 ========== */
.md-content code {
  background: rgba(0, 212, 255, 0.1);
  color: var(--ai-primary);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  border: 1px solid rgba(0, 212, 255, 0.2);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.1);
}

.md-content code:hover {
  background: rgba(0, 212, 255, 0.15);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

/* ========== 按钮 ========== */
.md-button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 8px;
  font-weight: 600;
  padding: 0.6em 1.5em;
  border: 1px solid transparent;
}

.md-button--primary {
  background: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4),
              0 0 30px rgba(124, 58, 237, 0.3);
}

.md-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 212, 255, 0.6),
              0 0 40px rgba(124, 58, 237, 0.4);
}

/* ========== 搜索框 ========== */
.md-search__input {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ai-border);
  border-radius: 8px;
  color: var(--ai-text-primary);
  transition: all 0.3s ease;
}

.md-search__input::placeholder {
  color: var(--ai-text-secondary);
}

.md-search__input:focus {
  border-color: var(--ai-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3),
              inset 0 0 20px rgba(0, 212, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
}

/* ========== 表格 ========== */
.md-typeset table:not([class]) {
  border: 1px solid var(--ai-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
  background: rgba(10, 14, 39, 0.5);
  backdrop-filter: blur(10px);
}

.md-typeset table:not([class]) th {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(124, 58, 237, 0.2) 100%);
  color: var(--ai-primary);
  font-weight: 600;
  text-shadow: 0 0 10px var(--ai-glow);
  padding: 1em;
}

.md-typeset table:not([class]) td {
  border-color: var(--ai-border);
  color: var(--ai-text-primary);
  padding: 0.8em 1em;
}

.md-typeset table:not([class]) tr:hover {
  background: rgba(0, 212, 255, 0.05);
}

/* ========== 引用块/提示框 ========== */
.md-typeset .admonition {
  border-left: 4px solid;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  background: rgba(10, 14, 39, 0.6);
  margin: 1.5rem 0;
}

.md-typeset .admonition-title {
  font-weight: 600;
  text-shadow: 0 0 10px currentColor;
}

.md-typeset .admonition.note {
  border-color: var(--ai-primary);
  background: rgba(0, 212, 255, 0.05);
}

.md-typeset .admonition.warning {
  border-color: #fbbf24;
}

.md-typeset .admonition.tip {
  border-color: var(--ai-accent);
}

/* ========== 列表 ========== */
.md-content ul, .md-content ol {
  color: var(--ai-text-primary);
}

.md-content li {
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

.md-content li::marker {
  color: var(--ai-primary);
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(10, 14, 39, 0.5);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--ai-primary) 0%, var(--ai-secondary) 100%);
  border-radius: 6px;
  border: 2px solid rgba(10, 14, 39, 0.5);
  box-shadow: 0 0 10px var(--ai-glow);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--ai-accent) 0%, var(--ai-primary) 100%);
  box-shadow: 0 0 15px var(--ai-glow);
}

/* ========== 动画效果 ========== */
@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3),
                0 0 20px rgba(0, 212, 255, 0.2);
  }
  50% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6),
                0 0 40px rgba(0, 212, 255, 0.4);
  }
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.md-nav__link--active {
  animation: glow-pulse 3s ease-in-out infinite;
}

.md-content__inner > * {
  animation: slide-in 0.5s ease-out;
}

/* ========== 图片样式 ========== */
.md-content img {
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
  border: 1px solid var(--ai-border);
}

.md-content img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

/* ========== 分隔线 ========== */
.md-content hr {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ai-primary), transparent);
  margin: 2rem 0;
  box-shadow: 0 0 10px var(--ai-glow);
}

/* ========== 页脚 ========== */
.md-footer {
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  border-top: 1px solid var(--ai-border);
  color: var(--ai-text-secondary);
}

.md-footer__inner {
  color: var(--ai-text-secondary);
}

.md-footer a {
  color: var(--ai-accent);
  transition: all 0.3s ease;
}

.md-footer a:hover {
  color: var(--ai-primary);
  text-shadow: 0 0 8px var(--ai-glow);
}

/* ========== 浅色模式适配 ========== */
[data-md-color-scheme="default"] {
  --ai-text-primary: #1e293b;
  --ai-text-secondary: #475569;
  --ai-bg-dark: #f8fafc;
}

[data-md-color-scheme="default"] .md-header {
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-md-color-scheme="default"] .md-sidebar {
  background: rgba(255, 255, 255, 0.8);
}

[data-md-color-scheme="default"] .md-nav__link {
  color: #475569;
}

[data-md-color-scheme="default"] .md-nav__link:hover {
  color: var(--ai-primary);
}

[data-md-color-scheme="default"] .md-content__inner {
  color: #1e293b;
}

[data-md-color-scheme="default"] .highlight {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) {
  background: rgba(255, 255, 255, 0.8);
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) th {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
}

/* ========== 响应式优化 ========== */
@media screen and (max-width: 76.1875em) {
  .md-nav--primary .md-nav__title {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  }
  
  .md-nav__link {
    font-size: 0.95em;
  }
}

/* ========== 特殊效果 ========== */
.md-content strong {
  color: var(--ai-primary);
  font-weight: 600;
  text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

.md-content em {
  color: var(--ai-accent);
  font-style: italic;
}

/* ========== 代码复制按钮 ========== */
.highlight .md-clipboard {
  color: var(--ai-primary);
}

.highlight .md-clipboard:hover {
  color: var(--ai-accent);
  text-shadow: 0 0 8px var(--ai-glow);
}

/* ========== 选择文本颜色 ========== */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: white;
}

::-moz-selection {
  background: rgba(0, 212, 255, 0.3);
  color: white;
}