/* 環匯發展 - 现代化玻璃态UI设计系统 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css');

:root {
  /* 高级渐变主色调 */
  --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #818CF8 100%);
  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-200: #C7D2FE;
  --primary-300: #A5B4FC;
  --primary-400: #818CF8;
  --primary-500: #6366F1;
  --primary-600: #4F46E5;
  --primary-700: #4338CA;
  --primary-800: #3730A3;

  /* 功能色优化 - 使用渐变 */
  --success-gradient: linear-gradient(135deg, #10B981 0%, #34D399 100%);
  --success-50: #ECFDF5;
  --success-100: #D1FAE5;
  --success-500: #10B981;
  --success-600: #059669;
  --success-700: #047857;

  --danger-gradient: linear-gradient(135deg, #EF4444 0%, #F87171 100%);
  --danger-50: #FEF2F2;
  --danger-100: #FEE2E2;
  --danger-500: #EF4444;
  --danger-600: #DC2626;
  --danger-700: #B91C1C;

  --warning-gradient: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --warning-50: #FFFBEB;
  --warning-100: #FEF3C7;
  --warning-500: #F59E0B;
  --warning-600: #D97706;
  --warning-700: #B45309;

  --info-50: #EFF6FF;
  --info-100: #DBEAFE;
  --info-500: #3B82F6;
  --info-600: #2563EB;
  --info-gradient: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);

  --purple-50: #FAF5FF;
  --purple-100: #F3E8FF;
  --purple-500: #A855F7;
  --purple-600: #9333EA;
  --purple-gradient: linear-gradient(135deg, #A855F7 0%, #C084FC 100%);

  --orange-50: #FFF7ED;
  --orange-100: #FFEDD5;
  --orange-500: #F97316;
  --orange-600: #EA580C;

  /* 中性色升级 */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --black-opacity-5: rgba(0, 0, 0, 0.05);
  --black-opacity-10: rgba(0, 0, 0, 0.1);

  /* 布局变量 */
  --spacing-xs: 6px;
  --spacing-sm: 10px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 40px;

  /* 增强阴影系统 */
  --shadow-sm: 0 2px 4px var(--black-opacity-5);
  --shadow-md: 0 8px 16px var(--black-opacity-5);
  --shadow-lg: 0 16px 32px var(--black-opacity-10);
  --shadow-xl: 0 24px 48px var(--black-opacity-10);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

  /* 圆角优化 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* 动态过渡 */
  --transition-fast: 100ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--gray-50);
  background-image: radial-gradient(circle, var(--primary-100) 1px, transparent 1px);
  background-size: 24px 24px;
  background-attachment: fixed;
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  zoom: 0.85; /* 默认缩放到85% */
}

/* 布局容器 */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 - 玻璃态设计 */
.sidebar {
  width: 260px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-right: 1px solid rgba(229, 231, 235, 0.6);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  height: 100%;
  overflow-y: auto;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
  z-index: 100;
}

.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
  transition: var(--transition-normal);
}

.logo-icon:hover {
  transform: scale(1.05) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtext {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-menu {
  flex: 1;
  padding: var(--spacing-md) 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px var(--spacing-lg);
  color: var(--gray-700);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-normal);
  border-left: 3px solid transparent;
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: var(--primary-50);
  transition: var(--transition-fast);
  z-index: -1;
}

.nav-item:hover {
  color: var(--primary-600);
  padding-left: calc(var(--spacing-lg) + 4px);
  background: rgba(99, 102, 241, 0.04);
}

.nav-item:hover::before {
  width: 4px;
}

.nav-item.active {
  color: var(--primary-600);
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.12), rgba(99, 102, 241, 0.04));
  border-left-color: var(--primary-600);
  font-weight: 600;
}

.nav-item.active::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-500);
  box-shadow: 0 0 8px var(--primary-500);
}

.nav-icon {
  font-size: 18px;
  width: 20px;
  text-align: center;
  transition: var(--transition-normal);
}

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

.nav-submenu {
  margin-left: var(--spacing-lg);
  margin-top: 4px;
}

.nav-submenu .nav-item {
  padding: 10px var(--spacing-lg);
  font-size: 13px;
  font-weight: 400;
}

/* 主内容区 */
.main-content {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px) saturate(180%);
  -webkit-backdrop-filter: blur(8px) saturate(180%);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  padding: 0 var(--spacing-xl);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.search-box {
  position: relative;
  width: 300px;
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  background: var(--gray-50);
  font-size: 14px;
  transition: var(--transition-normal);
  font-family: inherit;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
  background: white;
  width: 340px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 18px;
  pointer-events: none;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.notification-icon {
  font-size: 22px;
  color: var(--gray-600);
  cursor: pointer;
  position: relative;
  transition: var(--transition-normal);
  padding: 8px;
  border-radius: var(--radius-md);
}

.notification-icon:hover {
  color: var(--primary-600);
  background: var(--primary-50);
  transform: scale(1.05);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background: var(--danger-gradient);
  color: white;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.user-info {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.user-info:hover {
  background: var(--gray-100);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  object-fit: cover;
  background: var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  font-weight: 600;
}

.user-info:hover .user-avatar {
  border-color: var(--primary-500);
  transform: scale(1.08);
  box-shadow: 0 0 0 4px var(--primary-100);
}

.user-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(229, 231, 235, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 260px;
  display: none;
  z-index: 100;
  animation: slideDown 0.2s ease-out;
  overflow: hidden;
  padding-top: 12px;
}

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

.user-info:hover .user-dropdown,
.user-dropdown:hover {
  display: block;
}

.dropdown-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
}

.dropdown-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.dropdown-balance {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-50), var(--purple-50));
  border-radius: var(--radius-md);
}

.balance-item {
  text-align: center;
  flex: 1;
}

.balance-label {
  font-size: 11px;
  color: var(--gray-600);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.balance-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-area {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
  animation: fadeIn 0.3s ease-out;
}

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

/* 页面标题 */
.page-header {
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.5px;
}

.page-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500), transparent);
  border-radius: var(--radius-full);
  max-width: 120px;
}

.page-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  max-width: 800px;
  line-height: 1.6;
}

/* 玻璃态卡片 */
.card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(10px) saturate(180%);
  border: 1px solid rgba(229, 231, 235, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--primary-200);
  background: rgba(255, 255, 255, 0.85);
}

.card:hover::before {
  opacity: 1;
}

.card-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid rgba(229, 231, 235, 0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}

.card-title-icon {
  font-size: 22px;
  color: var(--primary-600);
  transition: var(--transition-normal);
}

.card:hover .card-title-icon {
  transform: scale(1.1) rotate(5deg);
}

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

.card-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid rgba(229, 231, 235, 0.4);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.5), transparent);
}

/* 高级按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  letter-spacing: 0.3px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: var(--transition-slow);
  transform: skewX(-20deg);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(1px);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
}

.btn-success {
  background: var(--success-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-danger {
  background: var(--danger-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

.btn-warning {
  background: var(--warning-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}

.btn-info {
  background: var(--info-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.btn-info:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--gray-200);
  border-color: var(--gray-400);
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-500);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  box-shadow: none;
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

/* 精致徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
  transition: var(--transition-normal);
}

.badge:hover {
  transform: scale(1.05);
}

.badge-primary {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
  color: var(--primary-700);
  border: 1px solid var(--primary-200);
}

.badge-success {
  background: linear-gradient(135deg, var(--success-100), var(--success-50));
  color: var(--success-700);
  border: 1px solid var(--success-200);
}

.badge-danger {
  background: linear-gradient(135deg, var(--danger-100), var(--danger-50));
  color: var(--danger-700);
  border: 1px solid var(--danger-200);
}

.badge-warning {
  background: linear-gradient(135deg, var(--warning-100), var(--warning-50));
  color: var(--warning-700);
  border: 1px solid var(--warning-200);
}

.badge-info {
  background: linear-gradient(135deg, var(--info-100), var(--info-50));
  color: var(--info-600);
  border: 1px solid var(--info-200);
}

.badge-purple {
  background: linear-gradient(135deg, var(--purple-100), var(--purple-50));
  color: var(--purple-600);
  border: 1px solid var(--purple-200);
}

.badge-orange {
  background: linear-gradient(135deg, var(--orange-100), var(--orange-50));
  color: var(--orange-600);
  border: 1px solid var(--orange-200);
}

.badge-gray {
  background: linear-gradient(135deg, var(--gray-100), var(--gray-50));
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

/* 精致表单 */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 16px;
  font-size: 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, 0.8);
  font-family: inherit;
  color: var(--gray-900);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--gray-300);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px var(--primary-100);
  background: white;
}

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

.form-helper {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 6px;
  line-height: 1.5;
}

/* 精致表格 */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: linear-gradient(180deg, var(--gray-50), white);
}

.table th {
  padding: 16px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 2px solid var(--gray-200);
}

.table td {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  font-size: 14px;
  color: var(--gray-800);
}

.table tbody tr {
  transition: var(--transition-normal);
}

.table tbody tr:hover {
  background: linear-gradient(90deg, var(--primary-50), transparent);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* 网格布局 */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

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

.grid-cols-5 {
  grid-template-columns: repeat(5, 1fr);
}

/* 精致统计卡片 */
.stat-card {
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(229, 231, 235, 0.5);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition-normal);
}

.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px) scale(1.02);
  border-color: var(--primary-200);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: var(--transition-normal);
}

.stat-card:hover .stat-icon {
  transform: scale(1.1) rotate(5deg);
}

.stat-icon-primary {
  background: var(--primary-gradient);
}

.stat-icon-success {
  background: var(--success-gradient);
}

.stat-icon-warning {
  background: var(--warning-gradient);
}

.stat-icon-danger {
  background: var(--danger-gradient);
}

.stat-icon-info {
  background: var(--info-gradient);
}

.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-change {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.positive {
  color: var(--danger-600);
}

.stat-change.negative {
  color: var(--success-600);
}

/* 精致产品卡片 */
.product-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(229, 231, 235, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  opacity: 0;
  z-index: -1;
  transition: var(--transition-normal);
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: transparent;
}

.product-card:hover::after {
  opacity: 1;
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.product-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.product-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}

.product-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(229, 231, 235, 0.5);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

.metric-item {
  padding: var(--spacing-sm);
  transition: var(--transition-normal);
  border-radius: var(--radius-sm);
}

.metric-item:hover {
  background: var(--primary-50);
}

.metric-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

/* 精致询价卡片 */
.inquiry-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(229, 231, 235, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-normal);
}

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

.inquiry-card.best-price {
  border: 2px solid var(--danger-500);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(239, 68, 68, 0.02));
  position: relative;
}

.inquiry-card.best-price::before {
  content: '🏆 最优价格';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger-gradient);
  color: white;
  font-size: 12px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
  letter-spacing: 0.5px;
}

/* 精致时间线 */
.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-500), var(--primary-200));
  border-radius: var(--radius-full);
}

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

.timeline-dot {
  position: absolute;
  left: -30px;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  border: 4px solid var(--primary-500);
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
  transition: var(--transition-normal);
}

.timeline-dot.completed {
  background: var(--primary-gradient);
  border-color: var(--primary-600);
  box-shadow: 0 0 16px rgba(79, 70, 229, 0.5);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.2);
}

/* 工具类 */
.text-success {
  color: var(--success-600);
}

.text-danger {
  color: var(--danger-600);
}

.text-warning {
  color: var(--warning-600);
}

.text-primary {
  color: var(--primary-600);
}

.text-info {
  color: var(--info-600);
}

.text-gray {
  color: var(--gray-600);
}

.bg-success {
  background-color: var(--success-50);
}

.bg-danger {
  background-color: var(--danger-50);
}

.bg-warning {
  background-color: var(--warning-50);
}

.bg-info {
  background-color: var(--info-50);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.hidden {
  display: none !important;
}

/* 加载动画 */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading {
  animation: spin 1s linear infinite;
}

/* 淡入动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-50);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  color: var(--primary-600);
  font-size: 20px;
  padding: 0;
}

.mobile-menu-toggle:hover {
  background: var(--primary-100);
  transform: scale(1.05);
}

.mobile-menu-toggle:active {
  transform: scale(0.95);
}

/* 侧边栏遮罩层 */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

/* 响应式设计 */
@media (max-width: 1200px) {
  body {
    zoom: 0.9;
  }

  .grid-cols-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  body {
    zoom: 0.95;
  }

  .grid-cols-5 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .search-box {
    width: 220px;
  }
  
  .page-title {
    font-size: 28px;
  }

  .table {
    font-size: 13px;
  }

  .table th,
  .table td {
    padding: 12px 14px;
  }
}

@media (max-width: 768px) {
  body {
    zoom: 1;
  }

  /* 显示移动端菜单按钮 */
  .mobile-menu-toggle {
    display: flex;
  }

  /* 侧边栏移动端样式 */
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 100;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5 {
    grid-template-columns: 1fr;
  }
  
  .search-box {
    width: 180px;
  }
  
  .user-name {
    display: none;
  }
  
  .page-title {
    font-size: 24px;
  }
  
  .page-title::after {
    display: none;
  }
  
  .topbar {
    padding: 0 var(--spacing-md);
    height: 56px;
  }
  
  .content-area {
    padding: var(--spacing-md);
  }
  
  .stat-card {
    padding: var(--spacing-lg);
  }
  
  .stat-value {
    font-size: 24px;
  }

  .card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

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

  .card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    flex-wrap: wrap;
  }

  /* 表格移动端优化 */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 600px;
    font-size: 12px;
  }

  .table th,
  .table td {
    padding: 10px 12px;
    white-space: nowrap;
  }

  /* 按钮移动端优化 */
  .btn-group {
    flex-wrap: wrap;
  }

  /* 表单移动端优化 */
  .form-group {
    margin-bottom: var(--spacing-md);
  }

  /* 统计卡片网格优化 */
  .stat-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .stat-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  /* 产品卡片优化 */
  .product-metrics {
    gap: var(--spacing-sm);
  }

  .metric-value {
    font-size: 14px;
  }

  /* 用户下拉菜单移动端适配 */
  .user-dropdown {
    right: -10px;
    min-width: 240px;
  }
}

@media (max-width: 480px) {
  body {
    zoom: 1;
  }

  .topbar {
    padding: 0 var(--spacing-sm);
    height: 52px;
  }

  .topbar-right {
    gap: var(--spacing-sm);
  }

  .search-box {
    display: none;
  }
  
  .btn {
    padding: 9px 14px;
    font-size: 13px;
  }

  .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
  }

  .btn-lg {
    padding: 12px 24px;
    font-size: 15px;
  }
  
  .card-body {
    padding: var(--spacing-md);
  }

  .card-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .card-title {
    font-size: 16px;
  }

  .content-area {
    padding: var(--spacing-sm);
  }

  .page-header {
    margin-bottom: var(--spacing-lg);
  }

  .page-title {
    font-size: 20px;
  }

  .page-subtitle {
    font-size: 13px;
  }

  .stat-card {
    padding: var(--spacing-md);
  }

  .stat-value {
    font-size: 20px;
  }

  .stat-label {
    font-size: 11px;
  }

  /* 表格超小屏幕优化 */
  .table {
    font-size: 11px;
  }

  .table th,
  .table td {
    padding: 8px 10px;
  }

  /* Badge 优化 */
  .badge {
    padding: 4px 10px;
    font-size: 11px;
  }

  /* 表单优化 */
  .form-input,
  .form-select,
  .form-textarea {
    padding: 10px 14px;
    font-size: 14px;
  }

  .form-label {
    font-size: 13px;
  }

  /* 用户头像优化 */
  .user-avatar {
    width: 36px;
    height: 36px;
  }

  /* 通知图标优化 */
  .notification-icon {
    font-size: 20px;
    padding: 6px;
  }

  .notification-badge {
    min-width: 16px;
    height: 16px;
    font-size: 9px;
  }

  /* 产品卡片超小屏优化 */
  .product-card {
    padding: var(--spacing-md);
  }

  .product-title {
    font-size: 16px;
  }

  .product-metrics {
    padding: var(--spacing-md) 0;
  }

  /* 用户下拉菜单优化 */
  .user-dropdown {
    left: auto;
    right: -60px;
    min-width: 280px;
  }

  .dropdown-balance {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .balance-item {
    text-align: left;
  }
}

/* 横屏优化 */
@media (max-width: 768px) and (orientation: landscape) {
  .sidebar {
    width: 220px;
  }

  .topbar {
    height: 50px;
  }

  .content-area {
    padding: var(--spacing-md);
  }

  .page-title {
    font-size: 22px;
  }
}