/* ============================================
   大健康主题视觉系统 - HealthWork Design System
   主色调：翡翠绿 + 薄荷青 + 暖金
   ============================================ */

:root {
  /* ===== 主色系 - 健康自然 ===== */
  --primary-50: #F0FDF4;
  --primary-100: #DCFCE7;
  --primary-200: #BBF7D0;
  --primary-300: #86EFAC;
  --primary-400: #4ADE80;
  --primary-500: #22C55E;
  --primary-600: #16A34A;
  --primary-700: #15803D;
  --primary-800: #166534;
  --primary-900: #14532D;

  /* ===== 辅助色 - 清新科技感（青色/薄荷） ===== */
  --secondary-50: #F0FDFA;
  --secondary-100: #CCFBF1;
  --secondary-200: #99F6E4;
  --secondary-300: #5EEAD4;
  --secondary-400: #2DD4BF;
  --secondary-500: #14B8A6;
  --secondary-600: #0D9488;
  --secondary-700: #0F766E;
  --secondary-800: #115E59;
  --secondary-900: #134E4A;

  /* ===== 暖色调 - 关怀温暖（金/杏） ===== */
  --warm-50: #FFFBEB;
  --warm-100: #FEF3C7;
  --warm-200: #FDE68A;
  --warm-300: #FCD34D;
  --warm-400: #FBBF24;
  --warm-500: #F59E0B;
  --warm-600: #D97706;
  --warm-700: #B45309;
  --warm-800: #92400E;
  --warm-900: #78350F;

  /* ===== 中性色 ===== */
  --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;

  /* ===== 功能色 ===== */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* ===== 背景与表面 ===== */
  --bg-gradient: linear-gradient(135deg, #F0FDF4 0%, #ECFDF5 30%, #F0FDFA 70%, #F0F9FF 100%);
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.7);
  --surface: #FFFFFF;

  /* ===== 文字 ===== */
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;

  /* ===== 边框与阴影 ===== */
  --border-color: #E5E7EB;
  --border-light: #F3F4F6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(34, 197, 94, 0.15);

  /* ===== 圆角 ===== */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* ===== 间距 ===== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* ===== 字体 ===== */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;

  /* ===== 过渡 ===== */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-gradient);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--primary-700);
  border: 1px solid var(--primary-200);
}

.btn-secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
}

.btn-warm {
  background: linear-gradient(135deg, var(--warm-400), var(--warm-500));
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-warm:hover {
  background: linear-gradient(135deg, var(--warm-500), var(--warm-600));
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

.btn-danger {
  background: linear-gradient(135deg, #F87171, var(--error));
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--error), #DC2626);
}

.btn-sm {
  padding: 5px 12px;
  font-size: var(--font-size-xs);
}

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

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== 卡片 ===== */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--gray-50);
}

/* ===== 表单 ===== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

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

.form-help {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--error);
  margin-top: var(--space-1);
}

/* ===== 表格 ===== */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th:first-child {
  border-top-left-radius: var(--radius-md);
}

.data-table th:last-child {
  border-top-right-radius: var(--radius-md);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: var(--primary-50);
}

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

/* ===== 状态标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  line-height: 1.5;
}

.badge-success {
  background: #D1FAE5;
  color: #065F46;
}

.badge-warning {
  background: #FEF3C7;
  color: #92400E;
}

.badge-error {
  background: #FEE2E2;
  color: #991B1B;
}

.badge-info {
  background: #DBEAFE;
  color: #1E40AF;
}

.badge-primary {
  background: #D1FAE5;
  color: #065F46;
}

.badge-secondary {
  background: #CCFBF1;
  color: #134E4A;
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ===== 头像 ===== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
  color: white;
  font-weight: 600;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar-md { width: 40px; height: 40px; font-size: var(--font-size-sm); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--font-size-lg); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--font-size-2xl); }

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

/* ===== 开关 ===== */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--gray-300);
  transition: var(--transition-base);
  border-radius: var(--radius-full);
}

.switch-slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-base);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-slider {
  background: var(--primary-500);
}

.switch input:checked + .switch-slider::before {
  transform: translateX(20px);
}

/* ===== 进度条 ===== */
.progress {
  width: 100%;
  height: 8px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-400), var(--secondary-400));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ===== 统计卡片 ===== */
.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-400), var(--secondary-400));
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  margin-top: var(--space-2);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.stat-trend.up {
  background: #D1FAE5;
  color: #065F46;
}

.stat-trend.down {
  background: #FEE2E2;
  color: #991B1B;
}

.stat-icon {
  position: absolute;
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  opacity: 0.9;
}

.stat-icon.primary { background: linear-gradient(135deg, var(--primary-100), var(--primary-200)); }
.stat-icon.secondary { background: linear-gradient(135deg, var(--secondary-100), var(--secondary-200)); }
.stat-icon.warm { background: linear-gradient(135deg, var(--warm-100), var(--warm-200)); }
.stat-icon.info { background: linear-gradient(135deg, #DBEAFE, #BFDBFE); }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: var(--space-6);
}

.pagination-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  background: white;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--primary-400);
  color: var(--primary-600);
}

.pagination-btn.active {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: white;
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-xl);
}

.modal-overlay.show .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--gray-100);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--gray-200);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ===== 标签/Tab ===== */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-light);
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.tab-item {
  padding: var(--space-3) 0;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.tab-item:hover {
  color: var(--primary-600);
}

.tab-item.active {
  color: var(--primary-600);
}

.tab-item.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-500);
  border-radius: 2px 2px 0 0;
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state-text {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.empty-state-desc {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ===== Toast 提示 ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 20px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  animation: slideIn 0.3s ease;
  border-left: 4px solid;
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--error); }
.toast.warning { border-color: var(--warning); }
.toast.info { border-color: var(--info); }

.toast-icon {
  font-size: 18px;
}

.toast-message {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

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

/* ===== 浮动动画 ===== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse-soft { animation: pulse-soft 2s ease-in-out infinite; }
.animate-fadeIn { animation: fadeIn 0.5s ease; }

/* ===== 装饰性背景元素 ===== */
.deco-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  pointer-events: none;
}

.deco-blob.green {
  width: 300px;
  height: 300px;
  background: var(--primary-300);
}

.deco-blob.teal {
  width: 250px;
  height: 250px;
  background: var(--secondary-300);
}

.deco-blob.gold {
  width: 200px;
  height: 200px;
  background: var(--warm-300);
}

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

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===== 响应式工具类 ===== */
.hidden-mobile { display: block; }
.show-mobile { display: none; }

@media (max-width: 768px) {
  .hidden-mobile { display: none; }
  .show-mobile { display: block; }

  /* 通用卡片头部：窄屏允许换行，避免长标题挤压右侧操作按钮 */
  .card-header {
    flex-wrap: wrap;
    gap: 10px;
  }
  .card-title {
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
  }

  /* 模态框：头部允许换行；底部按钮均分，避免挤压溢出 */
  .modal-header {
    flex-wrap: wrap;
    gap: 10px;
  }
  .modal-footer {
    flex-wrap: wrap;
    justify-content: stretch;
    gap: 10px;
  }
  .modal-footer .btn {
    flex: 1 1 auto;
  }

  /* 多标签导航：窄屏横向滚动，避免标签互相挤压换行 */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }

  /* 正文/描述类长串断词，防止撑破卡片布局 */
  .card-body,
  .modal-body,
  .card-footer {
    overflow-wrap: break-word;
    word-break: break-word;
  }
}