/* ============================================
   85288.cn v2 - 主样式文件
   基于 ui-ux-pro-max 设计系统
   设计风格：年轻活力 · 动感俏皮 · 现代化
   ============================================ */

/* CSS 变量 - 浅色主题 */
:root {
  /* 主色调 - 活力紫 */
  --primary: #8B5CF6;
  --primary-hover: #7C3AED;
  --primary-light: #A78BFA;
  --primary-dark: #6D28D9;
  
  /* 辅色 - 动感蓝 */
  --secondary: #06B6D4;
  --secondary-hover: #0891B2;
  --secondary-light: #22D3EE;
  
  /* 强调色 - 俏皮粉 */
  --accent: #EC4899;
  --accent-hover: #DB2777;
  --accent-light: #F472B6;
  
  /* 功能色 */
  --success: #10B981;
  --success-light: #34D399;
  --warning: #F59E0B;
  --warning-light: #FBBF24;
  --error: #EF4444;
  --error-light: #F87171;
  --info: #3B82F6;
  
  /* 背景色 - 浅色主题 */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  
  /* 文字色 */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-inverse: #FFFFFF;
  
  /* 边框 */
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  
  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.2);
  --shadow-primary: 0 10px 40px rgba(139, 92, 246, 0.3);
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* 间距 */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  
  /* 过渡 */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 字体 */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* 字体大小 */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
}

/* 深色主题 */
[data-theme="dark"] {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --bg-card: #1E293B;
  
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #64748B;
  
  --border: #475569;
  --border-light: #334155;
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.6);
  --shadow-primary: 0 10px 40px rgba(139, 92, 246, 0.4);
}

/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  display: flex;
  min-height: 100vh;
}

/* ============================================
   侧边栏
   ============================================ */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-base), transform var(--transition-base);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  overflow: hidden;
}

/* 侧边栏折叠状态 - 完全隐藏 */
.sidebar.collapsed {
  transform: translateX(-100%);
  width: 280px;
}

/* 折叠按钮在侧边栏隐藏时的位置 */
.sidebar.collapsed .sidebar-toggle {
  position: fixed;
  left: 20px;
  top: 20px;
  z-index: 200;
  transform: rotate(180deg);
  background: var(--primary);
  color: white;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-icon {
  font-size: 2rem;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(5deg); }
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FFFFFF 0%, #E0E7FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.sidebar-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.sidebar-toggle:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(180deg);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  transform: scaleY(0);
  transition: transform var(--transition-fast);
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  color: var(--primary);
  font-weight: 600;
}

.nav-item.active::before {
  transform: scaleY(1);
}

.nav-icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-icon {
  transform: scale(1.1);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border);
}

.theme-toggle {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.theme-toggle:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.theme-icon {
  font-size: 1.25rem;
}

/* 顶部主题切换图标按钮 */
.theme-toggle-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-left: var(--space-3);
  pointer-events: auto;
  position: relative;
  z-index: 100;
}

.theme-toggle-icon:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.theme-toggle-icon .theme-icon {
  font-size: 1.125rem;
}

/* ============================================
   主内容区
   ============================================ */
.main-content {
  flex: 1;
  margin-left: 280px;
  transition: margin-left var(--transition-base);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 侧边栏折叠时，主内容区占满全屏 */
.sidebar.collapsed ~ .main-content {
  margin-left: 0;
}

/* 侧边栏折叠状态下的过渡动画 */
.sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar.collapsed ~ .main-content {
  margin-left: 0;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.menu-toggle {
  display: flex;  /* 桌面端也显示 */
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  position: relative;
  z-index: 100;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* ============================================
   页面容器
   ============================================ */
.page-container {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
  background: var(--bg-primary);
}

.page {
  display: none;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.page.active {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================
   仪表盘
   ============================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: white;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  transform: scale(0);
  transition: transform 0.5s ease;
}

.stat-card:hover::before {
  transform: scale(1);
}

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

.stat-icon {
  font-size: 3rem;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.stat-info {
  flex: 1;
  position: relative;
  z-index: 1;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* 渐变色 */
.gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.gradient-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--warning) 100%);
}

.gradient-rainbow {
  background: linear-gradient(135deg, #8B5CF6, #06B6D4, #10B981, #F59E0B, #EC4899);
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.gradient-gold {
  background: linear-gradient(135deg, #F59E0B 0%, #FCD34D 100%);
}

.gradient-law {
  background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
}

/* 特性区域 */
.features-section {
  margin-top: var(--space-8);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-6);
  text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.15);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   工具页面
   ============================================ */
.tool-container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

/* 桌面端自适应宽度，不限制最大宽度 */
@media (min-width: 1025px) {
  .tool-container {
    max-width: 100%;
  }
}

.tool-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.tool-header {
  padding: var(--space-6);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  border-bottom: 1px solid var(--border);
}

.tool-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.tool-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.tool-body {
  padding: var(--space-6);
}

.input-section {
  margin-bottom: var(--space-6);
}

.input-group {
  margin-bottom: var(--space-4);
}

.input-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.input-group input,
.select-input,
.textarea-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.input-group input:focus,
.select-input:focus,
.textarea-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.input-group input::placeholder {
  color: var(--text-muted);
}

.options-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.checkbox-label:hover,
.radio-label:hover {
  background: var(--bg-tertiary);
  color: var(--primary);
}

.checkbox-label input,
.radio-label input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

.btn-icon {
  font-size: 1.25rem;
  position: relative;
  z-index: 1;
}

.btn-text {
  position: relative;
  z-index: 1;
}

/* ============================================
   结果区域
   ============================================ */
.result-section {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  min-height: 300px;
  overflow: hidden;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.result-section * {
  max-width: 100%;
  box-sizing: border-box;
}

.result-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border);
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.result-body {
  padding: var(--space-6);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 250px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
  animation: float 3s ease-in-out infinite;
}

.empty-text {
  font-size: 1.125rem;
}

/* ============================================
   加载状态
   ============================================ */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  gap: var(--space-4);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   成功/错误消息
   ============================================ */
.result-message {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  border-left: 4px solid;
}

.result-message.success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.result-message.error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--error);
  color: var(--error);
}

.success-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  animation: float 3s ease-in-out infinite;
}

.file-list {
  margin-top: var(--space-4);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  transition: all var(--transition-fast);
}

.file-item:hover {
  background: var(--bg-secondary);
  transform: translateX(4px);
}

.file-icon {
  font-size: 1.25rem;
}

.file-name {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
}

.file-size {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

/* ============================================
   价格卡片
   ============================================ */
.price-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.price-card {
  background: var(--bg-card);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition-base);
}

.price-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.price-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.price-value {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.price-change {
  font-size: 0.875rem;
  margin-top: var(--space-2);
  font-weight: 600;
}

.price-change.positive {
  color: var(--success);
}

.price-change.negative {
  color: var(--error);
}

/* ============================================
   游戏详情卡片
   ============================================ */
.game-detail-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  width: 100%;
  min-width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.game-detail-card * {
  max-width: 100%;
  box-sizing: border-box;
}

.game-header {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-6);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  border-bottom: 1px solid var(--border);
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.game-cover {
  width: 200px;
  height: 94px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.game-info {
  flex: 1;
}

.game-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.game-name-en {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.game-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
}

.meta-icon {
  font-size: 1rem;
}

.game-section {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.game-section:last-child {
  border-bottom: none;
}

.game-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.price-grid,
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
}

.price-item,
.stat-item {
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--border);
}

.price-label,
.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.price-value,
.stat-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.price-value.highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-value.success {
  color: var(--success);
}

.publisher-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.publisher-item {
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.publisher-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.game-description {
  line-height: 1.8;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
}

/* 趋势图 */
.trend-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 200px;
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.trend-bar {
  flex: 1;
  min-width: 30px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.trend-bar:hover {
  opacity: 0.8;
  transform: scaleY(1.05);
}

.trend-value {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.trend-bar:hover .trend-value {
  opacity: 1;
}

.trend-label {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
}

/* DLC 列表 */
.dlc-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.dlc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.dlc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.dlc-cover {
  width: 100%;
  height: 130px;
  object-fit: cover;
}

.dlc-info {
  padding: var(--space-4);
}

.dlc-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.dlc-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.dlc-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.dlc-tag.free {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.dlc-tag.paid {
  background: rgba(139, 92, 246, 0.1);
  color: var(--primary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
}

/* ============================================
   结果列表
   ============================================ */
.result-list {
  margin-top: var(--space-4);
}

.result-item {
  padding: var(--space-4);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  border-left: 4px solid var(--primary);
  transition: all var(--transition-fast);
}

.result-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.result-title {
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.result-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.result-data {
  background: var(--bg-tertiary);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-all;
  border: 1px solid var(--border);
}

/* ============================================
   响应式设计
   ============================================ */

/* 桌面端：隐藏侧边栏上的切换按钮 */
@media (min-width: 1025px) {
  .sidebar-toggle {
    display: none !important;
  }
}

@media (max-width: 1024px) {
  .main-content {
    margin-left: 0;
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  /* 桌面端折叠状态 */
  .sidebar.collapsed {
    transform: translateX(-100%);
  }
  
  .menu-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .options-row {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .page-container {
    padding: var(--space-4);
  }
  
  .top-bar {
    padding: var(--space-3) var(--space-4);
  }
  
  .page-title {
    font-size: 1.25rem;
  }
  
  .stat-card {
    padding: var(--space-4);
  }
  
  .stat-icon {
    font-size: 2.5rem;
  }
  
  /* 游戏详情卡片移动端适配 */
  .game-detail-card {
    max-width: 100%;
    overflow-x: hidden;
  }
  
  .game-header {
    flex-direction: column;
    text-align: center;
    padding: var(--space-4);
  }
  
  .game-header {
    padding: var(--space-4);
    overflow: hidden;
  }
  
  .game-cover {
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: 120px;
    object-fit: contain;
    object-position: center;
    display: block;
    border-radius: var(--radius-md);
  }
  
  .game-title {
    font-size: 1.25rem;
    word-break: break-word;
  }
  
  .game-name-en {
    font-size: 0.75rem;
    word-break: break-word;
  }
  
  .game-meta {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .meta-item {
    font-size: 0.75rem;
    padding: var(--space-1) var(--space-2);
  }
  
  .game-section {
    padding: var(--space-4);
  }
  
  .price-grid,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }
  
  .price-item,
  .stat-item {
    padding: var(--space-3);
  }
  
  .price-value,
  .stat-value {
    font-size: 1rem;
  }
  
  .trend-chart {
    height: 120px;
    padding: var(--space-2);
  }
  
  .trend-bar {
    min-width: 16px;
  }
  
  .dlc-list {
    grid-template-columns: 1fr;
    width: 100%;
    min-width: 100%;
    max-width: 100%;
  }
  
  .dlc-card {
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .dlc-cover {
    width: 100%;
    max-width: 100%;
    height: 100px;
    object-fit: cover;
  }
  
  .dlc-card {
    flex-direction: column;
  }
  
  .dlc-cover {
    height: 120px;
  }
  
  .dlc-title {
    font-size: 0.875rem;
  }
  
  .game-description {
    font-size: 0.875rem;
    padding: var(--space-3);
  }
    font-size: 2.5rem;
  }
}

/* ============================================
   滚动条美化
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

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

/* ============================================
   工具提示
   ============================================ */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}