/* ============================================================
   起名知识库 - 公共样式文件 common.css
   版本: 1.0.0
   说明: 包含五行色彩系统、全局样式、布局组件、卡片、标签、
         按钮、表格、表单、搜索高亮、吉凶标注、加载状态、
         空状态、Toast通知、分页、响应式、动画、工具类、打印样式
   ============================================================ */

/* ============================
   1. CSS 自定义属性 (变量)
   ============================ */
:root {
  /* --- 五行色彩系统 --- */
  --color-wood: #27ae60;
  --color-wood-light: #2ecc71;
  --color-wood-dark: #1e8449;
  --color-wood-bg: rgba(39, 174, 96, 0.08);
  --color-wood-border: rgba(39, 174, 96, 0.25);

  --color-fire: #e74c3c;
  --color-fire-light: #ec7063;
  --color-fire-dark: #c0392b;
  --color-fire-bg: rgba(231, 76, 60, 0.08);
  --color-fire-border: rgba(231, 76, 60, 0.25);

  --color-earth: #f39c12;
  --color-earth-light: #f5b041;
  --color-earth-dark: #d68910;
  --color-earth-bg: rgba(243, 156, 18, 0.08);
  --color-earth-border: rgba(243, 156, 18, 0.25);

  --color-metal: #d4a017;
  --color-metal-light: #f1c40f;
  --color-metal-dark: #b7950b;
  --color-metal-bg: rgba(212, 160, 23, 0.08);
  --color-metal-border: rgba(212, 160, 23, 0.25);

  --color-water: #3498db;
  --color-water-light: #5dade2;
  --color-water-dark: #2980b9;
  --color-water-bg: rgba(52, 152, 219, 0.08);
  --color-water-border: rgba(52, 152, 219, 0.25);

  /* --- 主色调 --- */
  --color-primary: #2c3e50;
  --color-primary-light: #34495e;
  --color-primary-dark: #1a252f;
  --color-primary-bg: rgba(44, 62, 80, 0.06);

  /* --- 背景色 --- */
  --color-bg: #f0f2f5;
  --color-bg-dark: #e4e7eb;
  --color-card-bg: #ffffff;
  --color-card-bg-hover: #fafbfc;

  /* --- 文字色 --- */
  --color-text: #2c3e50;
  --color-text-secondary: #5a6c7d;
  --color-text-muted: #95a5a6;
  --color-text-light: #bdc3c7;
  --color-text-white: #ffffff;

  /* --- 边框色 --- */
  --color-border: #e0e4e8;
  --color-border-light: #ecf0f1;
  --color-border-dark: #bdc3c7;

  /* --- 吉凶色 --- */
  --color-lucky: #27ae60;
  --color-lucky-bg: rgba(39, 174, 96, 0.1);
  --color-unlucky: #e74c3c;
  --color-unlucky-bg: rgba(231, 76, 60, 0.1);
  --color-neutral: #f39c12;
  --color-neutral-bg: rgba(243, 156, 18, 0.1);

  /* --- 链接色 --- */
  --color-link: #3498db;
  --color-link-hover: #2980b9;

  /* --- 字体 --- */
  --font-title: "Noto Serif SC", "SimSun", "STSong", serif;
  --font-body: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Source Code Pro", "Consolas", monospace;

  /* --- 字号 --- */
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 28px;
  --font-size-5xl: 32px;
  --font-size-6xl: 40px;

  /* --- 行高 --- */
  --line-height-tight: 1.3;
  --line-height-base: 1.6;
  --line-height-loose: 1.8;

  /* --- 圆角 --- */
  --radius-sm: 4px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-round: 50%;
  --radius-pill: 999px;

  /* --- 阴影 --- */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-base: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 1px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12), 0 0 1px rgba(0, 0, 0, 0.1);
  --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.15);
  --shadow-dropdown: 0 6px 24px rgba(0, 0, 0, 0.12);

  /* --- 间距 --- */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-base: 12px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;

  /* --- 布局 --- */
  --nav-height: 60px;
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 64px;
  --content-max-width: 1400px;
  --content-padding: 24px;

  /* --- 过渡 --- */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.35s ease;

  /* --- z-index 层级 --- */
  --z-sidebar: 100;
  --z-nav: 200;
  --z-overlay: 300;
  --z-dropdown: 400;
  --z-toast: 500;
  --z-modal: 600;
}

/* ============================
   2. 全局重置与基础样式
   ============================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--color-link-hover);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
  font-weight: 600;
}

h1 { font-size: var(--font-size-5xl); margin-bottom: var(--spacing-lg); }
h2 { font-size: var(--font-size-4xl); margin-bottom: var(--spacing-md); }
h3 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-base); }
h4 { font-size: var(--font-size-2xl); margin-bottom: var(--spacing-base); }
h5 { font-size: var(--font-size-xl); margin-bottom: var(--spacing-sm); }
h6 { font-size: var(--font-size-lg); margin-bottom: var(--spacing-sm); }

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-loose);
}

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

ul, ol {
  list-style: none;
}

code, pre {
  font-family: var(--font-mono);
}

::selection {
  background-color: var(--color-water-bg);
  color: var(--color-water-dark);
}

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

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-border-dark);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-text-muted);
}

/* ============================
   3. 导航栏
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-xl);
  z-index: var(--z-nav);
  box-shadow: var(--shadow-nav);
  transition: background-color var(--transition-base);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-title);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-white);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo:hover {
  color: var(--color-metal-light);
}

.navbar-logo .logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
}

.navbar-search {
  flex: 1;
  max-width: 480px;
  margin: 0 var(--spacing-xl);
  position: relative;
}

.navbar-search input {
  width: 100%;
  height: 36px;
  padding: 0 var(--spacing-md) 0 36px;
  border: none;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text-white);
  font-size: var(--font-size-sm);
  font-family: var(--font-body);
  outline: none;
  transition: all var(--transition-base);
}

.navbar-search input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.navbar-search input:focus {
  background-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.navbar-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  pointer-events: none;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.navbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-white);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.navbar-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.35);
}

.navbar-btn .btn-icon {
  font-size: var(--font-size-md);
}

/* 汉堡菜单按钮（移动端） */
.navbar-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: none;
  background: transparent;
  cursor: pointer;
}

.navbar-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.navbar-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================
   4. 侧边栏
   ============================ */
.sidebar {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background-color: var(--color-card-bg);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: var(--z-sidebar);
  transition: width var(--transition-base), transform var(--transition-base);
  padding-top: var(--spacing-md);
}

.sidebar-group {
  margin-bottom: var(--spacing-sm);
}

.sidebar-group-title {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px var(--spacing-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-base);
  border-radius: var(--radius-sm);
  margin: 1px var(--spacing-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
}

.sidebar-item:hover {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
}

.sidebar-item.active {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 600;
  position: relative;
}

.sidebar-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background-color: var(--color-primary);
  border-radius: 0 2px 2px 0;
}

.sidebar-item .item-icon {
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  font-size: var(--font-size-md);
}

.sidebar-item .item-text {
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-item .item-badge {
  margin-left: auto;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background-color: var(--color-fire);
  color: var(--color-text-white);
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

/* 侧边栏覆盖层（移动端） */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sidebar) - 1);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* ============================
   5. 主内容区域
   ============================ */
.main-wrapper {
  margin-top: var(--nav-height);
  margin-left: var(--sidebar-width);
  min-height: calc(100vh - var(--nav-height));
  transition: margin-left var(--transition-base);
}

.main-content {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--content-padding);
}

/* ============================
   6. 面包屑导航
   ============================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--color-link);
}

.breadcrumb-item.active {
  color: var(--color-text);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--color-text-light);
  margin: 0 2px;
}

/* ============================
   7. 页面标题区域
   ============================ */
.page-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.page-header h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-sm);
}

.page-header .page-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.page-header .page-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-base);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================
   8. 卡片系统
   ============================ */

/* --- 基础卡片 --- */
.card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
}

.card-clickable:hover {
  transform: translateY(-2px);
  cursor: pointer;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.card-header-title {
  font-family: var(--font-title);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- 五行属性卡片 --- */
.card-wuxing {
  position: relative;
  border-left: 4px solid transparent;
}

.card-wuxing::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.card-wuxing[data-element="wood"] {
  border-left-color: var(--color-wood);
}
.card-wuxing[data-element="wood"]::before {
  background: linear-gradient(90deg, var(--color-wood), var(--color-wood-light));
}
.card-wuxing[data-element="wood"] .wuxing-badge {
  background-color: var(--color-wood-bg);
  color: var(--color-wood);
  border-color: var(--color-wood-border);
}

.card-wuxing[data-element="fire"] {
  border-left-color: var(--color-fire);
}
.card-wuxing[data-element="fire"]::before {
  background: linear-gradient(90deg, var(--color-fire), var(--color-fire-light));
}
.card-wuxing[data-element="fire"] .wuxing-badge {
  background-color: var(--color-fire-bg);
  color: var(--color-fire);
  border-color: var(--color-fire-border);
}

.card-wuxing[data-element="earth"] {
  border-left-color: var(--color-earth);
}
.card-wuxing[data-element="earth"]::before {
  background: linear-gradient(90deg, var(--color-earth), var(--color-earth-light));
}
.card-wuxing[data-element="earth"] .wuxing-badge {
  background-color: var(--color-earth-bg);
  color: var(--color-earth);
  border-color: var(--color-earth-border);
}

.card-wuxing[data-element="metal"] {
  border-left-color: var(--color-metal);
}
.card-wuxing[data-element="metal"]::before {
  background: linear-gradient(90deg, var(--color-metal), var(--color-metal-light));
}
.card-wuxing[data-element="metal"] .wuxing-badge {
  background-color: var(--color-metal-bg);
  color: var(--color-metal);
  border-color: var(--color-metal-border);
}

.card-wuxing[data-element="water"] {
  border-left-color: var(--color-water);
}
.card-wuxing[data-element="water"]::before {
  background: linear-gradient(90deg, var(--color-water), var(--color-water-light));
}
.card-wuxing[data-element="water"] .wuxing-badge {
  background-color: var(--color-water-bg);
  color: var(--color-water);
  border-color: var(--color-water-border);
}

.wuxing-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border: 1px solid;
}

/* --- 案例卡片 --- */
.card-case {
  display: flex;
  flex-direction: column;
}

.card-case .case-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-round);
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  margin-right: var(--spacing-md);
}

.card-case .case-info {
  display: flex;
  align-items: flex-start;
}

.card-case .case-name {
  font-family: var(--font-title);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.card-case .case-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.card-case .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-base);
}

/* --- 工具卡片 --- */
.card-tool {
  text-align: center;
  padding: var(--spacing-xl);
  cursor: pointer;
}

.card-tool .tool-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: transform var(--transition-base);
}

.card-tool:hover .tool-icon {
  transform: scale(1.1);
}

.card-tool .tool-name {
  font-family: var(--font-title);
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.card-tool .tool-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

/* --- 卡片网格 --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================
   9. 标签系统
   ============================ */

/* --- 五行标签 --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1.6;
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.tag:hover {
  opacity: 0.85;
}

.tag-wood {
  background-color: var(--color-wood-bg);
  color: var(--color-wood);
  border: 1px solid var(--color-wood-border);
}

.tag-fire {
  background-color: var(--color-fire-bg);
  color: var(--color-fire);
  border: 1px solid var(--color-fire-border);
}

.tag-earth {
  background-color: var(--color-earth-bg);
  color: var(--color-earth);
  border: 1px solid var(--color-earth-border);
}

.tag-metal {
  background-color: var(--color-metal-bg);
  color: var(--color-metal);
  border: 1px solid var(--color-metal-border);
}

.tag-water {
  background-color: var(--color-water-bg);
  color: var(--color-water);
  border: 1px solid var(--color-water-border);
}

/* --- 分类标签 --- */
.tag-category {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.tag-category:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

/* --- 吉凶标签 --- */
.tag-lucky {
  background-color: var(--color-lucky-bg);
  color: var(--color-lucky);
  border: 1px solid rgba(39, 174, 96, 0.3);
}

.tag-unlucky {
  background-color: var(--color-unlucky-bg);
  color: var(--color-unlucky);
  border: 1px solid rgba(231, 76, 60, 0.3);
}

.tag-neutral {
  background-color: var(--color-neutral-bg);
  color: var(--color-neutral);
  border: 1px solid rgba(243, 156, 18, 0.3);
}

/* --- 可移除标签 --- */
.tag-removable {
  padding-right: 6px;
}

.tag-removable .tag-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 4px;
  border-radius: var(--radius-round);
  font-size: 10px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.tag-removable .tag-close:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

/* ============================
   10. 按钮系统
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn .btn-icon {
  font-size: var(--font-size-md);
}

/* 主按钮 */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

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

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

/* 次按钮 */
.btn-secondary {
  background-color: var(--color-card-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}

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

/* 危险按钮 */
.btn-danger {
  background-color: var(--color-fire);
  color: var(--color-text-white);
  border-color: var(--color-fire);
}

.btn-danger:hover {
  background-color: var(--color-fire-dark);
  border-color: var(--color-fire-dark);
}

/* 幽灵按钮 */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-bg);
  color: var(--color-text);
}

/* 图标按钮 */
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-base);
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

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

/* 按钮尺寸 */
.btn-sm {
  padding: 4px 12px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 12px 28px;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

/* 按钮组 */
.btn-group {
  display: inline-flex;
  gap: 0;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-base) 0 0 var(--radius-base);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-base) var(--radius-base) 0;
}

.btn-group .btn + .btn {
  margin-left: -1px;
}

/* ============================
   11. 表格系统
   ============================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-card-bg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.table thead {
  background-color: var(--color-bg);
}

.table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
  user-select: none;
}

.table th.sortable {
  cursor: pointer;
  transition: color var(--transition-fast);
}

.table th.sortable:hover {
  color: var(--color-primary);
}

.table th.sortable .sort-icon {
  display: inline-flex;
  flex-direction: column;
  margin-left: 4px;
  font-size: 10px;
  line-height: 1;
  vertical-align: middle;
  color: var(--color-text-light);
}

.table th.sortable.asc .sort-icon::after {
  content: "\25B2";
  color: var(--color-primary);
}

.table th.sortable.desc .sort-icon::before {
  content: "\25BC";
  color: var(--color-primary);
}

.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  vertical-align: middle;
}

/* 斑马纹 */
.table-striped tbody tr:nth-child(even) {
  background-color: var(--color-bg);
}

.table-striped tbody tr:hover {
  background-color: var(--color-primary-bg);
}

/* 紧凑表格 */
.table-compact th,
.table-compact td {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* ============================
   12. 表单系统
   ============================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-fire);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-card-bg);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-water);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.form-input::placeholder {
  color: var(--color-text-light);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-fire);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-hint {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-fire);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2395a5a6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* 搜索框 */
.form-search {
  position: relative;
}

.form-search .form-input {
  padding-left: 36px;
}

.form-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  pointer-events: none;
}

/* 表单行 */
.form-row {
  display: flex;
  gap: var(--spacing-md);
}

.form-row .form-group {
  flex: 1;
}

/* 表单内联 */
.form-inline {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-md);
}

.form-inline .form-group {
  margin-bottom: 0;
}

/* ============================
   13. 搜索结果高亮
   ============================ */
.highlight {
  background-color: #fff3cd;
  color: var(--color-earth-dark);
  padding: 1px 3px;
  border-radius: 2px;
  font-weight: 600;
}

.highlight-wood {
  background-color: var(--color-wood-bg);
  color: var(--color-wood-dark);
}

.highlight-fire {
  background-color: var(--color-fire-bg);
  color: var(--color-fire-dark);
}

.highlight-earth {
  background-color: var(--color-earth-bg);
  color: var(--color-earth-dark);
}

.highlight-metal {
  background-color: var(--color-metal-bg);
  color: var(--color-metal-dark);
}

.highlight-water {
  background-color: var(--color-water-bg);
  color: var(--color-water-dark);
}

/* ============================
   14. 吉凶标注
   ============================ */
.lucky {
  color: var(--color-lucky);
  font-weight: 600;
}

.lucky::before {
  content: "\2605 ";
  color: var(--color-lucky);
}

.unlucky {
  color: var(--color-unlucky);
  font-weight: 600;
}

.unlucky::before {
  content: "\2716 ";
  color: var(--color-unlucky);
}

.neutral {
  color: var(--color-neutral);
  font-weight: 600;
}

.neutral::before {
  content: "\25CB ";
  color: var(--color-neutral);
}

/* 吉凶指示条 */
.indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.indicator-lucky {
  background-color: var(--color-lucky-bg);
  color: var(--color-lucky);
}

.indicator-unlucky {
  background-color: var(--color-unlucky-bg);
  color: var(--color-unlucky);
}

.indicator-neutral {
  background-color: var(--color-neutral-bg);
  color: var(--color-neutral);
}

/* ============================
   15. 加载状态
   ============================ */

/* --- Loading 动画 --- */
.loading-spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-round);
  animation: spin 0.8s linear infinite;
}

.loading-spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.loading-spinner-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Loading 容器 */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  gap: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Loading 遮罩 */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: inherit;
}

/* --- 骨架屏 --- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-bg-dark) 50%, var(--color-bg) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.skeleton-text-sm {
  height: 12px;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-round);
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-lg);
}

.skeleton-image {
  width: 100%;
  height: 160px;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================
   16. 空状态
   ============================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  text-align: center;
}

.empty-state .empty-icon {
  font-size: 64px;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1;
}

.empty-state .empty-title {
  font-family: var(--font-title);
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state .empty-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
}

.empty-state .empty-action {
  margin-top: var(--spacing-sm);
}

/* ============================
   17. Toast 通知
   ============================ */
.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + var(--spacing-md));
  right: var(--spacing-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  min-width: 300px;
  max-width: 480px;
  pointer-events: auto;
  animation: toast-slide-in 0.3s ease-out;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.toast.toast-exit {
  opacity: 0;
  transform: translateX(100%);
}

.toast-icon {
  flex-shrink: 0;
  font-size: var(--font-size-xl);
  margin-top: 1px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
}

.toast-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-fast);
}

.toast-close:hover {
  background-color: var(--color-bg);
}

/* Toast 类型 */
.toast-success {
  border-left-color: var(--color-lucky);
}

.toast-success .toast-icon {
  color: var(--color-lucky);
}

.toast-error {
  border-left-color: var(--color-unlucky);
}

.toast-error .toast-icon {
  color: var(--color-unlucky);
}

.toast-warning {
  border-left-color: var(--color-neutral);
}

.toast-warning .toast-icon {
  color: var(--color-neutral);
}

.toast-info {
  border-left-color: var(--color-water);
}

.toast-info .toast-icon {
  color: var(--color-water);
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================
   18. 分页组件
   ============================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) 0;
}

.pagination-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background-color: var(--color-card-bg);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: var(--font-body);
}

.pagination-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
}

.pagination-item.active {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  font-weight: 600;
}

.pagination-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-prev,
.pagination-next {
  font-size: var(--font-size-sm);
}

.pagination-ellipsis {
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: default;
}

/* 分页信息 */
.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-right: var(--spacing-md);
}

/* ============================
   19. 动画效果
   ============================ */

/* --- 淡入动画 --- */
.fade-in {
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in-up {
  animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-down {
  animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- 页面过渡 --- */
.page-transition-enter {
  opacity: 0;
  transform: translateY(8px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-transition-exit {
  opacity: 1;
}

.page-transition-exit-active {
  opacity: 0;
  transition: opacity 0.2s ease;
}

/* --- 卡片悬停效果 --- */
.card-hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-hover-glow {
  transition: box-shadow var(--transition-base);
}

.card-hover-glow:hover {
  box-shadow: 0 0 20px rgba(52, 152, 219, 0.15), var(--shadow-card-hover);
}

/* --- 脉冲动画 --- */
.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* --- 抖动动画 --- */
.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* --- 缩放动画 --- */
.scale-in {
  animation: scaleIn 0.25s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================
   20. 工具类
   ============================ */

/* --- Flex 布局 --- */
.flex { display: flex; }
.flex-inline { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow-0 { flex-grow: 0; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-base { gap: var(--spacing-base); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* --- 间距 --- */
.m-0 { margin: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-base { margin-top: var(--spacing-base); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-base { margin-bottom: var(--spacing-base); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.ml-xs { margin-left: var(--spacing-xs); }
.ml-sm { margin-left: var(--spacing-sm); }
.ml-md { margin-left: var(--spacing-md); }
.mr-xs { margin-right: var(--spacing-xs); }
.mr-sm { margin-right: var(--spacing-sm); }
.mr-md { margin-right: var(--spacing-md); }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-base { padding: var(--spacing-base); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* --- 文字 --- */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-lucky); }
.text-danger { color: var(--color-unlucky); }
.text-warning { color: var(--color-neutral); }
.text-white { color: var(--color-text-white); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }
.font-title { font-family: var(--font-title); }
.font-mono { font-family: var(--font-mono); }

/* --- 文字截断 --- */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- 隐藏滚动条 --- */
.scrollbar-hidden {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.scrollbar-hidden::-webkit-scrollbar {
  display: none;
}

/* --- 显示/隐藏 --- */
.hidden { display: none !important; }
.visible { display: block; }
.invisible { visibility: hidden; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- 定位 --- */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* --- 宽高 --- */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* --- 边框 --- */
.border { border: 1px solid var(--color-border); }
.border-top { border-top: 1px solid var(--color-border); }
.border-bottom { border-bottom: 1px solid var(--color-border); }
.border-light { border-color: var(--color-border-light); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-base); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-round); }

/* --- 背景 --- */
.bg-white { background-color: var(--color-card-bg); }
.bg-gray { background-color: var(--color-bg); }
.bg-primary { background-color: var(--color-primary); }

/* --- 阴影 --- */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.no-shadow { box-shadow: none; }

/* --- 溢出 --- */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

/* --- 光标 --- */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* --- 分隔线 --- */
.divider {
  height: 1px;
  background-color: var(--color-border-light);
  margin: var(--spacing-lg) 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--color-border-light);
}

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

/* ============================
   21. 五行特殊样式
   ============================ */

/* 五行图标圆 */
.wuxing-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-round);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.wuxing-icon-wood {
  background-color: var(--color-wood-bg);
  color: var(--color-wood);
  border: 1px solid var(--color-wood-border);
}

.wuxing-icon-fire {
  background-color: var(--color-fire-bg);
  color: var(--color-fire);
  border: 1px solid var(--color-fire-border);
}

.wuxing-icon-earth {
  background-color: var(--color-earth-bg);
  color: var(--color-earth);
  border: 1px solid var(--color-earth-border);
}

.wuxing-icon-metal {
  background-color: var(--color-metal-bg);
  color: var(--color-metal);
  border: 1px solid var(--color-metal-border);
}

.wuxing-icon-water {
  background-color: var(--color-water-bg);
  color: var(--color-water);
  border: 1px solid var(--color-water-border);
}

/* 五行进度条 */
.wuxing-bar {
  height: 8px;
  border-radius: var(--radius-pill);
  background-color: var(--color-bg);
  overflow: hidden;
}

.wuxing-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width var(--transition-slow);
}

.wuxing-bar-fill.wood { background-color: var(--color-wood); }
.wuxing-bar-fill.fire { background-color: var(--color-fire); }
.wuxing-bar-fill.earth { background-color: var(--color-earth); }
.wuxing-bar-fill.metal { background-color: var(--color-metal); }
.wuxing-bar-fill.water { background-color: var(--color-water); }

/* 五行关系图 */
.wuxing-relation {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.wuxing-relation .relation-arrow {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.wuxing-relation .relation-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding: 1px 6px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

/* ============================
   22. 响应式设计
   ============================ */

/* --- 大屏 (>1200px): 默认样式，侧边栏+主内容 --- */

/* --- 中屏 (768px - 1200px): 侧边栏折叠为图标 --- */
@media screen and (max-width: 1200px) {
  .sidebar {
    width: var(--sidebar-collapsed-width);
  }

  .sidebar .item-text,
  .sidebar .group-title,
  .sidebar .item-badge {
    display: none;
  }

  .sidebar-item {
    justify-content: center;
    padding: 10px;
    margin: 1px var(--spacing-xs);
  }

  .sidebar-item .item-icon {
    margin: 0;
  }

  .main-wrapper {
    margin-left: var(--sidebar-collapsed-width);
  }

  .card-grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- 小屏 (<768px): 隐藏侧边栏，汉堡菜单 --- */
@media screen and (max-width: 767px) {
  :root {
    --content-padding: 16px;
  }

  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
  }

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

  .sidebar.open + .sidebar-overlay {
    display: block;
  }

  .sidebar .item-text,
  .sidebar .group-title,
  .sidebar .item-badge {
    display: inline;
  }

  .sidebar-item {
    justify-content: flex-start;
    padding: 10px var(--spacing-md);
    margin: 1px var(--spacing-sm);
  }

  .sidebar-overlay {
    display: none;
  }

  .sidebar-overlay.active {
    display: block;
  }

  .main-wrapper {
    margin-left: 0;
  }

  .navbar-hamburger {
    display: flex;
  }

  .navbar-search {
    display: none;
  }

  .navbar-actions .btn-text {
    display: none;
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }

  .card-grid,
  .card-grid-2,
  .card-grid-3,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
  }

  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .table {
    font-size: var(--font-size-sm);
  }

  .table th,
  .table td {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .pagination {
    flex-wrap: wrap;
  }

  .toast {
    min-width: auto;
    max-width: calc(100vw - 48px);
  }

  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
  }

  .page-header h1 {
    font-size: var(--font-size-2xl);
  }
}

/* --- 极小屏 (<480px) --- */
@media screen and (max-width: 480px) {
  .navbar {
    padding: 0 var(--spacing-md);
  }

  .navbar-logo .logo-text {
    display: none;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    border-radius: var(--radius-base);
  }

  .btn-group .btn:first-child {
    border-radius: var(--radius-base);
  }

  .btn-group .btn:last-child {
    border-radius: var(--radius-base);
  }

  .btn-group .btn + .btn {
    margin-left: 0;
    margin-top: -1px;
  }
}

/* ============================
   23. 打印样式
   ============================ */
@media print {
  /* 隐藏非内容元素 */
  .navbar,
  .sidebar,
  .sidebar-overlay,
  .breadcrumb,
  .pagination,
  .toast-container,
  .btn,
  .btn-group,
  .form-search,
  .navbar-hamburger,
  .loading-spinner,
  .loading-container,
  .loading-overlay,
  .empty-state .empty-action,
  .card-footer .btn,
  .no-print {
    display: none !important;
  }

  /* 重置布局 */
  body {
    background-color: #ffffff;
    color: #000000;
    font-size: 12pt;
    line-height: 1.5;
  }

  .main-wrapper {
    margin: 0 !important;
  }

  .main-content {
    padding: 0 !important;
    max-width: none !important;
  }

  /* 卡片优化 */
  .card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: 12pt;
  }

  .card:hover {
    transform: none !important;
  }

  /* 表格优化 */
  .table-wrapper {
    border: 1px solid #ddd;
    overflow: visible;
  }

  .table th {
    background-color: #f5f5f5 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .table td,
  .table th {
    border: 1px solid #ddd;
    padding: 6pt 8pt;
  }

  /* 标签保留颜色 */
  .tag-wood,
  .tag-fire,
  .tag-earth,
  .tag-metal,
  .tag-water,
  .tag-lucky,
  .tag-unlucky,
  .tag-neutral {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* 吉凶标注 */
  .lucky,
  .unlucky,
  .neutral {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* 链接显示URL */
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }

  a[href^="#"]::after {
    content: "";
  }

  /* 避免分页断行 */
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    break-after: avoid;
  }

  img {
    max-width: 100% !important;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  p, li {
    orphans: 3;
    widows: 3;
  }

  /* 页面边距 */
  @page {
    margin: 2cm;
  }
}

/* ============================
   24. 辅助组件
   ============================ */

/* --- 标签页 --- */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border-light);
  gap: 0;
  overflow-x: auto;
}

.tab-item {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

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

.tab-item.active {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom-color: var(--color-primary);
}

/* --- 模态框基础 --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  animation: scaleIn 0.25s ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
  font-family: var(--font-title);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
}

/* --- 下拉菜单 --- */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 180px;
  background-color: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dropdown);
  border: 1px solid var(--color-border-light);
  z-index: var(--z-dropdown);
  padding: var(--spacing-xs) 0;
  animation: fadeInDown 0.15s ease-out;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  text-decoration: none;
}

.dropdown-item:hover {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-border-light);
  margin: var(--spacing-xs) 0;
}

/* --- 统计数字 --- */
.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-value {
  font-family: var(--font-title);
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* --- 时间线 --- */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--spacing-xl) + 4px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-round);
  background-color: var(--color-primary);
  border: 2px solid var(--color-card-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-item.wood::before { background-color: var(--color-wood); box-shadow: 0 0 0 2px var(--color-wood); }
.timeline-item.fire::before { background-color: var(--color-fire); box-shadow: 0 0 0 2px var(--color-fire); }
.timeline-item.earth::before { background-color: var(--color-earth); box-shadow: 0 0 0 2px var(--color-earth); }
.timeline-item.metal::before { background-color: var(--color-metal); box-shadow: 0 0 0 2px var(--color-metal); }
.timeline-item.water::before { background-color: var(--color-water); box-shadow: 0 0 0 2px var(--color-water); }

/* --- 提示框 --- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
  border: 1px solid;
}

.alert-success {
  background-color: var(--color-lucky-bg);
  color: var(--color-lucky);
  border-color: rgba(39, 174, 96, 0.2);
}

.alert-error {
  background-color: var(--color-unlucky-bg);
  color: var(--color-unlucky);
  border-color: rgba(231, 76, 60, 0.2);
}

.alert-warning {
  background-color: var(--color-neutral-bg);
  color: var(--color-neutral);
  border-color: rgba(243, 156, 18, 0.2);
}

.alert-info {
  background-color: var(--color-water-bg);
  color: var(--color-water);
  border-color: rgba(52, 152, 219, 0.2);
}

.alert .alert-icon {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
  margin-top: 1px;
}

/* --- 描述列表 --- */
.description-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.description-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.description-term {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.description-detail {
  font-size: var(--font-size-base);
  color: var(--color-text);
}

/* --- 折叠面板 --- */
.collapse-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition-fast);
}

.collapse-header:hover {
  background-color: var(--color-bg);
}

.collapse-arrow {
  transition: transform var(--transition-base);
  color: var(--color-text-muted);
}

.collapse-header.active .collapse-arrow {
  transform: rotate(180deg);
}

.collapse-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.collapse-body.active {
  max-height: 2000px;
}

/* ============================
   25. 五行主题色变体（可选增强）
   ============================ */

/* 当页面需要强调某个五行属性时，可给 body 或容器添加 data-theme 属性 */
[data-theme="wood"] { --color-accent: var(--color-wood); --color-accent-bg: var(--color-wood-bg); }
[data-theme="fire"] { --color-accent: var(--color-fire); --color-accent-bg: var(--color-fire-bg); }
[data-theme="earth"] { --color-accent: var(--color-earth); --color-accent-bg: var(--color-earth-bg); }
[data-theme="metal"] { --color-accent: var(--color-metal); --color-accent-bg: var(--color-metal-bg); }
[data-theme="water"] { --color-accent: var(--color-water); --color-accent-bg: var(--color-water-bg); }