/**
 * AI-MCP.xyz - 中文Model Context Protocol (MCP)资源站
 * 主要样式文件 - Apple设计美学风格
 */

:root {
  /* 色彩变量 - Apple风格 */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f7;
  --color-text: #1d1d1f;
  --color-text-secondary: #86868b;
  --color-primary: #0066cc;
  --color-primary-dark: #004080;
  --color-secondary: #38434e;
  --color-border: #d2d2d7;
  --color-success: #28cd41;
  --color-error: #ff3b30;
  
  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* 边框 */
  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-width: 1px;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 5px 15px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.04), 0 2px 6px rgba(0, 0, 0, 0.04);
  
  /* 动画 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'SF Pro', 'SF Pro Text', sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* 布局容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 头部导航 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: var(--border-width) solid var(--color-border);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list li {
  margin-left: var(--spacing-lg);
}

.nav-list a {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.nav-list a:hover {
  color: var(--color-primary);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-list a:hover::after {
  width: 100%;
}

/* 英雄区域 */
.hero {
  padding: var(--spacing-xxl) 0;
  text-align: center;
  background-color: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(90deg, var(--color-primary), #6d5dfc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* 按钮 */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.button-primary {
  background-color: var(--color-primary);
  color: white;
}

.button-primary:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: var(--border-width) solid var(--color-primary);
}

.button-secondary:hover {
  background-color: rgba(0, 102, 204, 0.05);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 区块通用样式 */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-align: center;
  letter-spacing: -0.02em;
}

/* 特性卡片 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

/* 加载状态 */
.loading-spinner {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-secondary);
}

/* 标签页 */
.tabs {
  margin-top: var(--spacing-xl);
}

.tab-header {
  display: flex;
  border-bottom: var(--border-width) solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tab-header::-webkit-scrollbar {
  display: none;
}

.tab-button {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

.tab-button:after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.tab-button.active {
  color: var(--color-primary);
}

.tab-button.active:after {
  background-color: var(--color-primary);
}

.tab-button:hover {
  color: var(--color-primary);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* 代码块 */
.code-block {
  background-color: #2d2d2d;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
}

.code-block code {
  color: #e7e7e7;
  font-family: 'SF Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

.code-description {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 资源区域 */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.resource-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.resource-card h3 {
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.resource-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.link-arrow {
  font-size: 1.5rem;
  align-self: flex-end;
}

.coming-soon {
  cursor: default;
  opacity: 0.8;
}

.coming-soon-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--color-secondary);
  color: white;
  font-size: 0.75rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

/* 页脚 */
.footer {
  background-color: var(--color-secondary);
  color: white;
  padding: var(--spacing-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo a {
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
}

.footer-links h4 {
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-links a.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* 动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .header .container {
    height: auto;
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .logo-container {
    margin-bottom: var(--spacing-md);
  }
  
  .nav-list li {
    margin-left: var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .feature-grid, 
  .card-grid, 
  .resource-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card,
  .resource-card {
    padding: var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .footer-logo {
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .button {
    width: 100%;
  }
}