/* 
 * 公共样式文件 
 * 提供网站的基础样式和配色方案
 * 使用简约设计风格，以白色背景为主
 */

/* 基础变量定义 */
:root {
  /* 主色调 - 简约灰蓝色系 */
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;
  
  /* 中性色 - 灰色系 */
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e5e5e5;
  --color-neutral-300: #d4d4d4;
  --color-neutral-400: #a3a3a3;
  --color-neutral-500: #737373;
  --color-neutral-600: #525252;
  --color-neutral-700: #404040;
  --color-neutral-800: #262626;
  --color-neutral-900: #171717;
  
  /* 功能色 */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* 过渡效果 */
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

/* 暗色模式变量 */
.dark {
  --color-bg-primary: var(--color-neutral-900);
  --color-bg-secondary: var(--color-neutral-800);
  --color-text-primary: var(--color-neutral-100);
  --color-text-secondary: var(--color-neutral-400);
  --color-border: var(--color-neutral-700);
}

/* 亮色模式变量 (默认) */
:root {
  --color-bg-primary: white;
  --color-bg-secondary: var(--color-neutral-100);
  --color-text-primary: var(--color-neutral-900);
  --color-text-secondary: var(--color-neutral-600);
  --color-border: var(--color-neutral-200);
}

/* 基础元素样式 */
body {
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 600;
  line-height: 1.25;
  margin-top: 0;
}

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

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

/* 通用布局容器 */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

/* 卡片样式 */
.card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: var(--transition-normal);
  height: 100%;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: var(--transition-normal);
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  background-color: var(--color-bg-secondary);
}

/* 标签样式 */
.tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-neutral-100);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-neutral-400);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-neutral-500);
}

/* 侧边栏样式 */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 280px;
  background-color: var(--color-bg-primary);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
  overflow-y: auto;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 响应式工具类 */
.hidden-sm {
  display: none;
}

@media (min-width: 640px) {
  .hidden-sm {
    display: block;
  }
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 工具类 */
.text-center {
  text-align: center;
}

.w-full {
  width: 100%;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.my-2 {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* 暗黑模式切换动画 */
.dark-mode-transition {
  transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease;
}