/*
【AI 动作说明】创建工业外贸运行分析平台的设计系统与全局样式文件 style.css。
【安全评估】此文件为 Vanilla CSS 样式表，仅负责页面布局、色彩和动效控制，无任何脚本执行和系统读写，绝对安全。
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* 配色系统 - 顶级浅色学术智库风格 */
  --bg-main: #f7f8fa;
  --bg-card: #ffffff;
  --bg-card-hover: #fafbfc;
  --border-color: #e9ecef;
  --border-color-focus: #ced4da;
  
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  /* 学术代表色系 */
  --color-primary: #0f4c81;        /* 经典学术蓝 */
  --color-primary-light: #e6f0fa;  /* 浅学术蓝 */
  --color-secondary: #1d70b8;      /* 科技蓝 */
  --color-accent: #3b82f6;         /* 亮蓝 */
  --color-success: #10b981;        /* 增长/顺差 */
  --color-danger: #ef4444;         /* 下跌/逆差 */
  --color-warning: #f59e0b;        /* 波动警告 */
  
  /* 阴影与圆角 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.03), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -5px rgba(0, 0, 0, 0.03);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* 过渡与动画 */
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* 基础重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

/* 主容器布局 */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 顶部导航栏 */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-card);
  height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-logo {
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
  font-family: 'Outfit', sans-serif;
}

.brand-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  border-left: 1px solid var(--border-color);
  padding-left: 12px;
  margin-left: 4px;
}

/* 导航选项卡 */
.nav-menu {
  display: flex;
  list-style: none;
  height: 100%;
  gap: 8px;
}

.nav-item {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  height: 40px;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--bg-main);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-primary-light);
}

/* 顶部操作区 (如语言/关于) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.domain-badge {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-family: 'Outfit', sans-serif;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 页面内容区 */
.main-content {
  flex: 1;
  padding: 24px;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  position: relative;
}

.page-tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.page-tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 全页面通用：顶层面板控制栏 */
.control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  background-color: var(--bg-card);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.control-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* 学术级下拉框和按钮 */
.select-input {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  transition: var(--transition-fast);
  cursor: pointer;
  min-width: 120px;
}

.select-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.btn-toggle-group {
  display: flex;
  background-color: #f1f5f9;
  padding: 2px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.btn-toggle {
  border: none;
  background: none;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-toggle.active {
  background-color: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

/* 核心网格看板 */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

/* 卡片容器 */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

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

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

.card-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.card-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* 常用跨度类 */
.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

/* 页面1: 顶部指标卡 */
.summary-cards-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.summary-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.summary-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--border-color);
}

.summary-card.primary::after { background-color: var(--color-primary); }
.summary-card.success::after { background-color: var(--color-success); }
.summary-card.accent::after { background-color: var(--color-accent); }

.summary-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.summary-val-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.summary-value {
  font-size: 24px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
}

.summary-unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 2px;
}

.summary-trend {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 2px;
}

.summary-trend.up { color: var(--color-success); }
.summary-trend.down { color: var(--color-danger); }

.summary-chart-box {
  height: 40px;
  margin-top: 12px;
  width: 100%;
}

/* 页面2和页面3: 左右分栏布局 */
.layout-split {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  align-items: start;
}

.sidebar-list-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 12px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  position: sticky;
  top: 84px;
}

.sidebar-list-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
  padding-left: 8px;
  letter-spacing: 0.5px;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-item {
  margin-bottom: 4px;
}

.sidebar-btn {
  width: 100%;
  border: none;
  background: none;
  text-align: left;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.sidebar-btn.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.sidebar-val {
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-btn.active .sidebar-val {
  color: var(--color-primary);
  font-weight: 500;
}

/* 页面4: 搜索过滤框样式 */
.search-container {
  position: relative;
  width: 320px;
}

.search-input {
  width: 100%;
  padding: 8px 16px 8px 36px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 14px;
}

/* 页面5: 量价气泡图时间控制器 */
.timeline-controller {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  margin-top: 10px;
  box-shadow: var(--shadow-sm);
}

.btn-play {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background-color: var(--color-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  box-shadow: 0 2px 6px rgba(15, 76, 129, 0.3);
}

.btn-play:hover {
  transform: scale(1.05);
  background-color: var(--color-secondary);
}

.timeline-slider-container {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
}

.timeline-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
}

.timeline-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.timeline-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.timeline-current-val {
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  min-width: 70px;
  text-align: right;
}

/* 右侧多维透视抽屉 (Slideout Drawer) */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.15);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 650px;
  height: 100vh;
  background-color: #ffffff;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.08);
  border-left: 1px solid var(--border-color);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

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

.drawer-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-title-group {
  display: flex;
  flex-direction: column;
}

.drawer-tag {
  align-self: flex-start;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.drawer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-close-drawer {
  border: none;
  background: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-close-drawer:hover {
  background-color: var(--bg-main);
  color: var(--text-primary);
}

.drawer-body {
  padding: 24px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.drawer-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.drawer-section-title::before {
  content: '';
  width: 3px;
  height: 12px;
  background-color: var(--color-accent);
  display: inline-block;
  border-radius: 1px;
}

.drawer-chart-container {
  height: 280px;
  background-color: #fcfdfe;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  position: relative;
}

/* 学术级表格样式 */
.academic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
  margin-top: 8px;
}

.academic-table th {
  border-bottom: 2px solid var(--text-primary);
  padding: 10px 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.academic-table td {
  border-bottom: 1px solid var(--border-color);
  padding: 10px 8px;
  color: var(--text-secondary);
}

.academic-table tr:hover td {
  background-color: var(--bg-main);
}

.num-val {
  font-family: 'Outfit', sans-serif;
}

/* 浮动节点提示，用于提醒用户点击实体可开启透视 */
.click-tip {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 响应式适配 */
@media (max-width: 1200px) {
  .col-8 { grid-column: span 12; }
  .col-4 { grid-column: span 12; }
  .summary-cards-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .layout-split {
    grid-template-columns: 1fr;
  }
  .sidebar-list-card {
    position: static;
    max-height: 200px;
  }
  .summary-cards-container {
    grid-template-columns: 1fr;
  }
  .drawer {
    width: 100%;
  }
}