@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700&family=Nunito:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  /* 字体 - Soft UI 风格 */
  --font-primary: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Quicksand', var(--font-primary);
  --font-base: 'DM Sans', sans-serif;

  /* 背景色 - 珍珠白风格 */
  --bg-primary: #FDFCF8;
  --bg-secondary: #FAF9F5;
  --bg-tertiary: #F5F4F0;
  --bg-elevated: #FFFFFF;
  --bg-overlay: rgba(45, 55, 72, 0.5);

  /* 文字色 */
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --text-tertiary: #7C9EB2;
  --text-muted: #7C9EB2;
  --text-inverse: #FFFFFF;
  --text-on-primary: #FFFFFF;

  /* 边框 */
  --border-color: rgba(45, 55, 72, 0.1);
  --border-light: rgba(45, 55, 72, 0.05);
  --border-focus: rgba(159, 122, 234, 0.4);

  /* 主色 */
  --primary-color: #48BB78;
  --primary-hover: #38A169;
  --primary-light: rgba(72, 187, 120, 0.15);
  --primary-glow: rgba(72, 187, 120, 0.3);

  /* 状态色 */
  --success-color: #48BB78;
  --success-light: rgba(72, 187, 120, 0.15);
  --success-glow: rgba(72, 187, 120, 0.3);

  --warning-color: #ED8936;
  --warning-light: rgba(237, 137, 54, 0.15);
  --warning-glow: rgba(237, 137, 54, 0.3);

  --error-color: #F56565;
  --error-light: rgba(245, 101, 101, 0.15);
  --error-glow: rgba(245, 101, 101, 0.3);

  /* 信息色 */
  --info-color: #4299E1;
  --info-light: rgba(66, 153, 225, 0.15);
  --info-glow: rgba(66, 153, 225, 0.3);

  /* 阴影 - Soft UI Neumorphic 风格 */
  --shadow-xs: -2px -2px 6px 0px rgba(255, 255, 255, 0.8),
               2px 2px 6px 0px rgba(163, 177, 198, 0.4);
  --shadow-sm: -4px -4px 10px 0px rgba(255, 255, 255, 0.8),
               4px 4px 10px 0px rgba(163, 177, 198, 0.4);
  --shadow-md: -8px -8px 20px 0px rgba(255, 255, 255, 0.8),
               8px 8px 20px 0px rgba(163, 177, 198, 0.5);
  --shadow-lg: -12px -12px 30px 0px rgba(255, 255, 255, 0.8),
               12px 12px 30px 0px rgba(163, 177, 198, 0.5);
  --shadow-xl: -16px -16px 40px 0px rgba(255, 255, 255, 0.8),
               16px 16px 40px 0px rgba(163, 177, 198, 0.5);
  --shadow-glow: 0 0 20px rgba(72, 187, 120, 0.3);

  /* 内阴影 - 凹陷效果 */
  --shadow-inset: inset -4px -4px 10px 0px rgba(255, 255, 255, 0.5),
                   inset 4px 4px 10px 0px rgba(163, 177, 198, 0.4);

  /* Neumorphic 特定变量 */
  --neu-bg: #F0F4F8;
  --neu-shadow-light: -8px -8px 20px 0px rgba(255, 255, 255, 0.8);
  --neu-shadow-dark: 8px 8px 20px 0px rgba(163, 177, 198, 0.5);
  --neu-inset-light: inset -4px -4px 10px 0px rgba(255, 255, 255, 0.5);
  --neu-inset-dark: inset 4px 4px 10px 0px rgba(163, 177, 198, 0.4);

  /* 毛玻璃效果 - Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-hover: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-border-hover: rgba(255, 255, 255, 0.7);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  --glass-shadow-hover: 0 12px 40px rgba(31, 38, 135, 0.2);
  --blur-strength: 16px;
  --blur-strength-strong: 24px;
  
  /* 极光光晕效果 */
  --aurora-color-1: rgba(72, 187, 120, 0.4);
  --aurora-color-2: rgba(56, 161, 105, 0.3);
  --aurora-color-3: rgba(104, 211, 145, 0.25);
  --aurora-color-4: rgba(153, 246, 228, 0.2);
  
  /* 渐变文字 */
  --gradient-text: linear-gradient(135deg, #2D3748 0%, #48BB78 50%, #38A169 100%);
  --gradient-primary: linear-gradient(135deg, #48BB78 0%, #38A169 100%);
  --gradient-success: linear-gradient(135deg, #48BB78 0%, #68D391 100%);
  --gradient-info: linear-gradient(135deg, #4299E1 0%, #63B3ED 100%);
  --gradient-warning: linear-gradient(135deg, #ED8936 0%, #F6AD55 100%);
  
  /* 新拟态阴影 - Light模式 */
  --neu-shadow-light: rgba(255, 255, 255, 0.7);
  --neu-shadow-dark: rgba(163, 177, 198, 0.4);
  --neu-shadow-light-sm: rgba(255, 255, 255, 0.6);
  --neu-shadow-dark-sm: rgba(163, 177, 198, 0.3);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  --radius-input: 12px;
  --radius-card: 16px;

  /* 动画 */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a:hover {
  color: var(--text-tertiary);
}

button {
  font-family: var(--font-primary);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-primary);
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: none;
  box-shadow: var(--shadow-inset);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  transition: all var(--transition-base);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  box-shadow: var(--shadow-md);
}

/* Soft UI 卡片 */
.neu-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.neu-card-elevated {
  background: var(--bg-elevated);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

/* Soft UI 按钮 */
.neu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: var(--text-on-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: none;
}

.neu-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.neu-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-inset);
}

.neu-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.neu-button-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.neu-button-secondary:hover {
  box-shadow: var(--shadow-inset);
}

.neu-button-success {
  background: linear-gradient(135deg, var(--success-color), #38A169);
}

.neu-button-warning {
  background: linear-gradient(135deg, var(--warning-color), #DD6B20);
}

.neu-button-error {
  background: linear-gradient(135deg, var(--error-color), #E53E3E);
}

/* Soft UI 输入框 */
.neu-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.9375rem;
  background: var(--bg-primary);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-inset);
}

.neu-input:hover {
  box-shadow: var(--shadow-sm);
}

.neu-input:focus {
  outline: none;
  border-color: rgba(159, 122, 234, 0.3);
  box-shadow: var(--shadow-md);
}

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

.neu-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.neu-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%237C9EB2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 20px;
  padding-right: 44px;
}

/* Soft UI 徽章 */
.neu-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.neu-badge-primary {
  background: linear-gradient(135deg, #9F7AEA, #805AD5);
  color: var(--text-inverse);
}

.neu-badge-success {
  background: linear-gradient(135deg, var(--success-color), var(--primary-hover));
  color: var(--text-inverse);
}

.neu-badge-warning {
  background: linear-gradient(135deg, var(--warning-color), #DD6B20);
  color: var(--text-inverse);
}

.neu-badge-error {
  background: linear-gradient(135deg, var(--error-color), #E53E3E);
  color: var(--text-inverse);
}

.neu-badge-info {
  background: linear-gradient(135deg, var(--info-color), #3182CE);
  color: var(--text-inverse);
}

/* Soft UI 导航 */
.neu-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-strength));
  border-bottom: 1px solid rgba(45, 55, 72, 0.05);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.neu-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.neu-nav-link:hover,
.neu-nav-link.active {
  color: var(--text-tertiary);
  background: rgba(124, 158, 178, 0.1);
}

/* Soft UI 表格 */
.neu-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.neu-table th,
.neu-table td {
  padding: 16px;
  text-align: left;
}

.neu-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: transparent;
}

.neu-table tbody tr {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.neu-table tbody tr:hover {
  transform: translateY(-2px);
}

.neu-table tbody tr td:first-child {
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.neu-table tbody tr td:last-child {
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

/* Soft UI 分页 */
.neu-pagination {
  display: flex;
  align-items: center;
  gap: 8px;
}

.neu-pagination button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: none;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.neu-pagination button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.neu-pagination button.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: var(--text-inverse);
}

.neu-pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Soft UI 提示框 */
.neu-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-color);
  z-index: 9999;
  animation: slideIn var(--transition-base) ease-out;
}

.neu-toast-success {
  border-left-color: var(--success-color);
}

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

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Soft UI 模态框 */
.neu-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 55, 72, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.neu-modal {
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
}

/* Soft UI 空状态 */
.neu-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-tertiary);
}

.neu-empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.neu-empty-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.neu-empty-description {
  font-size: 0.9375rem;
  max-width: 400px;
  margin: 0 auto;
}

/* Soft UI 头像 */
.neu-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #9F7AEA, #F56565);
  color: var(--text-inverse);
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
}

.neu-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Soft UI 进度条 */
.neu-progress {
  width: 100%;
  height: 8px;
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-inset);
}

.neu-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Soft UI 复选框 */
.neu-checkbox {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-inset);
}

.neu-checkbox:hover {
  box-shadow: var(--shadow-sm);
}

.neu-checkbox.checked {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  box-shadow: var(--shadow-sm);
}

/* Soft UI 开关 */
.neu-switch {
  position: relative;
  width: 52px;
  height: 28px;
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-inset);
}

.neu-switch.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
}

.neu-switch::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.neu-switch.active::after {
  left: 28px;
}

/* 响应式 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 768px) {
  :root {
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
  }

  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .neu-card {
    border-radius: var(--radius-lg);
  }

  .neu-nav {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .neu-button {
    padding: 12px 24px;
  }

  .neu-input {
    padding: 12px 16px;
  }
}

/* 传统按钮类 - 保持兼容 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
  font-family: var(--font-primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: var(--text-on-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  box-shadow: var(--shadow-inset);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color), #38A169);
  color: var(--text-on-primary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--error-color), #E53E3E);
  color: var(--text-on-primary);
}

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

.btn-text {
  background: transparent;
  color: var(--primary-color);
  padding: 8px 12px;
}

.btn-text:hover {
  background: rgba(72, 187, 120, 0.1);
}

/* 传统表格类 - 保持兼容 */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.data-table th,
.data-table td {
  padding: 16px;
  text-align: left;
}

/* 允许表格单元格显示溢出内容（用于下拉框等） */
.data-table td {
  overflow: visible;
}

.data-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: transparent;
}

.data-table tbody tr {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.data-table tbody tr:hover {
  transform: translateY(-2px);
}

/* 传统分页类 - 保持兼容 */
.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pagination button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: none;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.pagination button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 状态徽章 - 保持兼容 */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.status-badge.pending {
  background: linear-gradient(135deg, var(--warning-color), #DD6B20);
  color: var(--text-inverse);
}

.status-badge.processing,
.status-badge.shipping {
  background: linear-gradient(135deg, var(--info-color), #3182CE);
  color: var(--text-inverse);
}

.status-badge.shipped,
.status-badge.completed {
  background: linear-gradient(135deg, var(--success-color), var(--primary-hover));
  color: var(--text-inverse);
}

.status-badge.cancelled {
  background: linear-gradient(135deg, var(--error-color), #E53E3E);
  color: var(--text-inverse);
}