/* ============================================================
 * 驰腾云运营看板 - 样式系统 v4.0
 * 设计风格：深色科技风 · 玻璃态 · 渐变光效 · 数据可视化
 * 参考：Vercel · Linear · Stripe · Datadog · Grafana
 * ============================================================ */

/* ------------------------------------------------------------
 * 0. Design Tokens
 * ------------------------------------------------------------ */
:root {
  /* 品牌渐变 */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
  --gradient-info: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);
  --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);

  /* 品牌色 */
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-primary-active: #4f46e5;
  --color-primary-glow: rgba(99, 102, 241, 0.4);
  --color-primary-soft: rgba(99, 102, 241, 0.1);

  /* 语义色 */
  --color-success: #10b981;
  --color-success-glow: rgba(16, 185, 129, 0.35);
  --color-success-soft: rgba(16, 185, 129, 0.12);

  --color-warning: #f59e0b;
  --color-warning-glow: rgba(245, 158, 11, 0.35);
  --color-warning-soft: rgba(245, 158, 11, 0.12);

  --color-danger: #ef4444;
  --color-danger-glow: rgba(239, 68, 68, 0.35);
  --color-danger-soft: rgba(239, 68, 68, 0.12);

  --color-info: #06b6d4;
  --color-info-glow: rgba(6, 182, 212, 0.35);
  --color-info-soft: rgba(6, 182, 212, 0.12);

  /* 深色文字（用于深色背景） */
  --color-text-1: #f1f5f9;
  --color-text-2: #cbd5e1;
  --color-text-3: #94a3b8;
  --color-text-4: #64748b;

  /* 玻璃态边框 */
  --color-border-glass: rgba(255, 255, 255, 0.08);
  --color-border-glass-hover: rgba(255, 255, 255, 0.15);

  /* 深色背景层级 */
  --color-bg-page: #0a0e1a;
  --color-bg-card: rgba(20, 25, 41, 0.6);
  --color-bg-card-solid: #141929;
  --color-bg-elevated: rgba(30, 36, 56, 0.8);
  --color-bg-hover: rgba(255, 255, 255, 0.04);
  --color-bg-input: rgba(30, 36, 56, 0.9);
  --color-bg-2: rgba(30, 36, 56, 0.6);
  --color-bg-3: rgba(30, 36, 56, 0.8);

  /* 边框 */
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-1: rgba(255, 255, 255, 0.1);

  /* 侧栏 */
  --sidebar-bg: rgba(10, 14, 26, 0.85);
  --sidebar-border: rgba(255, 255, 255, 0.06);
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;
  --sidebar-text-title: #475569;
  --sidebar-accent: #6366f1;

  /* 阴影/辉光 */
  --shadow-glow-primary: 0 0 20px rgba(99, 102, 241, 0.25);
  --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.25);
  --shadow-glow-warning: 0 0 20px rgba(245, 158, 11, 0.25);
  --shadow-glow-danger: 0 0 20px rgba(239, 68, 68, 0.25);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);

  /* 圆角 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-base: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 40px;

  /* 布局 */
  --sidebar-width: 220px;
  --content-padding-x: 28px;
  --card-gap: 16px;
  --min-page-width: 1200px;

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Fira Code", monospace;
  --font-num: "DIN Alternate", -apple-system, "SF Pro Display", "Helvetica Neue", sans-serif;

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

/* ------------------------------------------------------------
 * 1. Reset & Base
 * ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-2);
  width: 100%;
  background: var(--color-bg-page);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(139, 92, 246, 0.08), transparent),
    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(6, 182, 212, 0.06), transparent);
  background-attachment: fixed;
  min-width: var(--min-page-width);
  min-height: 100vh;
  overflow-x: auto;
}

a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-hover); }
ul, ol { list-style: none; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.15); }

::selection { background: rgba(99, 102, 241, 0.3); color: #fff; }

/* 数字字体优化 */
.kpi-value, .num-display {
  font-family: var(--font-num);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------
 * 2. Sidebar (深色玻璃态侧栏)
 * ------------------------------------------------------------ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  z-index: 90;
}

/* Brand 区域 */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px var(--spacing-xl);
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
  position: relative;
}

.sidebar-brand::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.6;
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  box-shadow: var(--shadow-glow-primary);
  position: relative;
}

.sidebar-logo::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.6;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  line-height: 1.2;
  background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 导航区域 */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg) 0;
}

.sidebar-nav ul { list-style: none; }

.sidebar-nav ul li a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 42px;
  margin: 2px 12px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sidebar-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav ul li a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.sidebar-nav ul li a:hover {
  background: var(--color-bg-hover);
  color: var(--sidebar-text-active);
}

.sidebar-nav ul li a.active {
  color: #fff;
  background: rgba(99, 102, 241, 0.15);
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.2), inset 0 0 20px rgba(99, 102, 241, 0.05);
}

.sidebar-nav ul li a.active::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: var(--gradient-primary);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px var(--color-primary-glow);
}

.nav-icon {
  display: flex;
  align-items: center;
  opacity: 0.6;
  transition: all var(--transition-fast);
}

.sidebar-nav ul li a:hover .nav-icon,
.sidebar-nav ul li a.active .nav-icon {
  opacity: 1;
  filter: drop-shadow(0 0 4px var(--color-primary-glow));
}

/* 导航项容器 */
.nav-item { position: relative; }

/* 展开/折叠箭头 */
.nav-chevron {
  margin-left: auto;
  display: flex;
  align-items: center;
  opacity: 0.5;
  transition: transform 0.25s ease, opacity 0.15s ease;
}
.nav-item.expanded > a .nav-chevron {
  transform: rotate(180deg);
  opacity: 0.9;
}
.nav-item.has-children > a .nav-label {
  flex: 1;
}

/* 子菜单 */
.nav-submenu {
  margin: 2px 0 4px 0;
  padding: 0;
  list-style: none;
}
.nav-submenu > li > a.submenu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 34px;
  margin: 1px 12px 1px 28px;
  padding: 0 12px;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--sidebar-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}
.nav-submenu > li > a.submenu-link:hover {
  background: var(--color-bg-hover);
  color: var(--sidebar-text-active);
}
.nav-submenu > li > a.submenu-link.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.18) 0%, transparent 100%);
  font-weight: 500;
}
.nav-submenu > li > a.submenu-link.active::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 14px;
  background: var(--gradient-primary);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 6px var(--color-primary-glow);
}
.submenu-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-text-4);
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.submenu-link:hover .submenu-dot,
.submenu-link.active .submenu-dot {
  background: var(--color-primary);
  box-shadow: 0 0 6px var(--color-primary-glow);
}

/* Footer 区域 */
.sidebar-footer {
  padding: var(--spacing-base) var(--spacing-xl);
  border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.sidebar-footer .update-time {
  font-size: 11px;
  color: var(--color-text-4);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-footer .update-time::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ------------------------------------------------------------
 * 3. Main Content
 * ------------------------------------------------------------ */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 18px var(--content-padding-x);
  width: calc(100% - var(--sidebar-width));
  min-width: calc(var(--min-page-width) - var(--sidebar-width));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content > .tab-panel,
.main-content > .breadcrumb,
.main-content > .page-title,
.main-content > .tab-bar {
  width: 100%;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
}

.tab-panel {
  width: 100%;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
}

/* ------------------------------------------------------------
 * 4. Page Header (面包屑 + 标题 + 工具栏)
 * ------------------------------------------------------------ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-4);
  margin-bottom: 10px;
}
.bc-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text-3);
  transition: color var(--transition-fast);
}
a.bc-item:hover { color: var(--color-primary-hover); }
.bc-item.bc-current {
  color: var(--color-text-1);
  font-weight: 500;
}
.bc-item.bc-home { color: var(--color-text-4); }
.bc-sep {
  color: var(--color-text-4);
  font-size: 11px;
  opacity: 0.6;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-1);
  line-height: 1.2;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  letter-spacing: -0.5px;
  flex-wrap: wrap;
}

.page-title .subtitle {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-3);
  line-height: 1.4;
}

.page-title .alert-badge {
  font-size: 12px;
  color: var(--color-danger);
  background: var(--color-danger-soft);
  border: 1px solid rgba(239, 68, 68, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 500;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-title .alert-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-danger);
  box-shadow: 0 0 6px var(--color-danger-glow);
  animation: pulse 1.5s ease-in-out infinite;
}

/* ------------------------------------------------------------
 * 5. Toolbar (时间选择器等操作工具)
 * ------------------------------------------------------------ */
.tab-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}

.tab-panel { display: none; }
.tab-panel.active {
  display: block;
  animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------
 * 6. KPI Cards (玻璃态+渐变+辉光)
 * ------------------------------------------------------------ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--card-gap);
  margin-bottom: var(--spacing-xl);
}

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

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

.kpi-card {
  position: relative;
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  border: 1px solid var(--color-border-glass);
  transition: all var(--transition-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 108px;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.kpi-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at top right, var(--color-primary-soft) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.kpi-card:hover {
  border-color: var(--color-border-glass-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover), 0 0 0 1px rgba(99, 102, 241, 0.1);
}

.kpi-card:hover::before { opacity: 0.6; }
.kpi-card:hover::after { opacity: 0.6; }

.kpi-card .kpi-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 1;
}

.kpi-card .kpi-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.kpi-card .kpi-right {
  display: none;
}

.kpi-card .kpi-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-3);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-card .kpi-value {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-text-1);
  line-height: 1.1;
  letter-spacing: -1px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
}

.kpi-card .kpi-value .kpi-value-number {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  min-width: 0;
}

.kpi-card .kpi-value .unit,
.kpi-card .kpi-value .kpi-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-4);
  margin-left: 2px;
  letter-spacing: normal;
  flex-shrink: 0;
}

.kpi-card .kpi-change {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 12px;
  color: var(--color-text-4);
  flex-wrap: wrap;
}

.kpi-card .kpi-change .rate {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: 10px;
  color: var(--color-text-3);
  font-weight: 500;
}

.kpi-card .kpi-change.up,
.kpi-card .kpi-change .up {
  color: var(--color-success);
  font-weight: 600;
  text-shadow: 0 0 8px var(--color-success-glow);
}

.kpi-card .kpi-change.down,
.kpi-card .kpi-change .down {
  color: var(--color-danger);
  font-weight: 600;
  text-shadow: 0 0 8px var(--color-danger-glow);
}

/* KPI Status variants */
.kpi-card.success {
  border-color: rgba(16, 185, 129, 0.2);
}
.kpi-card.success::after {
  background: radial-gradient(circle at top right, var(--color-success-soft) 0%, transparent 70%);
}

.kpi-card.warning {
  border-color: rgba(245, 158, 11, 0.2);
}
.kpi-card.warning::after {
  background: radial-gradient(circle at top right, var(--color-warning-soft) 0%, transparent 70%);
}

.kpi-card.danger {
  border-color: rgba(239, 68, 68, 0.2);
}
.kpi-card.danger::after {
  background: radial-gradient(circle at top right, var(--color-danger-soft) 0%, transparent 70%);
}

.kpi-card.info {
  border-color: rgba(6, 182, 212, 0.2);
}
.kpi-card.info::after {
  background: radial-gradient(circle at top right, var(--color-info-soft) 0%, transparent 70%);
}

/* KPI Progress bar */
.kpi-card .kpi-progress {
  width: 80%;
  height: 3px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.kpi-card .kpi-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  box-shadow: 0 0 6px var(--color-primary-glow);
}

.kpi-card.success .kpi-progress-bar {
  background: var(--gradient-success);
  box-shadow: 0 0 6px var(--color-success-glow);
}
.kpi-card.warning .kpi-progress-bar {
  background: var(--gradient-warning);
  box-shadow: 0 0 6px var(--color-warning-glow);
}
.kpi-card.danger .kpi-progress-bar {
  background: var(--gradient-danger);
  box-shadow: 0 0 6px var(--color-danger-glow);
}

/* KPI Note */
.kpi-card .kpi-note {
  margin-top: 4px;
  font-size: 11px;
  color: var(--color-text-4);
  line-height: 1.4;
}

/* KPI Sparkline */
.kpi-card .kpi-sparkline {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100px;
  height: 32px;
  opacity: 0.5;
  pointer-events: none;
}

/* ------------------------------------------------------------
 * 7. Cards (玻璃态卡片)
 * ------------------------------------------------------------ */
.card {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-glass);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  overflow: hidden;
  margin-bottom: var(--card-gap);
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  pointer-events: none;
}

.card:hover {
  border-color: var(--color-border-glass-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-1px);
}

.grid-2 > .card,
.grid-3 > .card {
  margin-bottom: 0;
}

.card .card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-glass);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
}

.card .card-title .title-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-1);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1;
}

.card .card-title .title-icon {
  width: 3px;
  height: 14px;
  background: var(--gradient-primary);
  border-radius: 2px;
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--color-primary-glow);
}

.card .card-title .more {
  font-size: 12px;
  color: var(--color-text-4);
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

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

/* ------------------------------------------------------------
 * 8. Chart Container
 * ------------------------------------------------------------ */
.chart-container {
  width: 100%;
  min-height: 280px;
  padding: var(--spacing-base);
}

.chart-container.large { min-height: 360px; }
.chart-container.small { min-height: 240px; }

.card > .chart-container:first-child { padding-top: var(--spacing-lg); }

/* ------------------------------------------------------------
 * 9. Grid Layouts
 * ------------------------------------------------------------ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
  margin-bottom: var(--card-gap);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
  margin-bottom: var(--card-gap);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--card-gap);
  margin-bottom: var(--card-gap);
}

/* ------------------------------------------------------------
 * 10. Info List (信息列表/重点关注)
 * ------------------------------------------------------------ */
.info-list { padding: 4px var(--spacing-lg) var(--spacing-lg); }

.info-item {
  position: relative;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-glass);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.info-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.info-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-border-glass-hover);
  transform: translateX(2px);
}

.info-item:hover::before { opacity: 1; }

.info-item:last-child { margin-bottom: 0; }

.info-item.success {
  background: linear-gradient(135deg, var(--color-success-soft) 0%, transparent 100%);
  border-color: rgba(16, 185, 129, 0.2);
}
.info-item.success::before { background: var(--gradient-success); opacity: 1; }
.info-item.success .info-dot { color: var(--color-success); }

.info-item.warning {
  background: linear-gradient(135deg, var(--color-warning-soft) 0%, transparent 100%);
  border-color: rgba(245, 158, 11, 0.2);
}
.info-item.warning::before { background: var(--gradient-warning); opacity: 1; }
.info-item.warning .info-dot { color: var(--color-warning); }

.info-item.danger {
  background: linear-gradient(135deg, var(--color-danger-soft) 0%, transparent 100%);
  border-color: rgba(239, 68, 68, 0.2);
}
.info-item.danger::before { background: var(--gradient-danger); opacity: 1; }
.info-item.danger .info-dot { color: var(--color-danger); }

.info-item.info {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, transparent 100%);
  border-color: rgba(6, 182, 212, 0.2);
}
.info-item.info::before { background: var(--gradient-info); opacity: 1; }
.info-item.info .info-dot { color: var(--color-info); }

.info-dot {
  font-size: 8px;
  line-height: 1;
  margin-top: 6px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px currentColor);
}

.info-content { flex: 1; min-width: 0; }
.info-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-1);
  margin-bottom: 4px;
  line-height: 1.4;
}
.info-desc {
  font-size: 12px;
  color: var(--color-text-3);
  line-height: 1.5;
}

/* ------------------------------------------------------------
 * 11. Business Line (业务线进度卡片)
 * ------------------------------------------------------------ */
.business-line-list { padding: 0; }

.business-line-item {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.business-line-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.business-line-item:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border-glass-hover);
  transform: translateX(2px);
}

.business-line-item:hover::before { opacity: 1; }

.business-line-item:last-child { margin-bottom: 0; }

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

.business-line-name {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.line-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-1);
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid;
}

.status-tag.success {
  color: var(--color-success);
  background: var(--color-success-soft);
  border-color: rgba(16, 185, 129, 0.25);
}
.status-tag.warning {
  color: var(--color-warning);
  background: var(--color-warning-soft);
  border-color: rgba(245, 158, 11, 0.25);
}
.status-tag.danger {
  color: var(--color-danger);
  background: var(--color-danger-soft);
  border-color: rgba(239, 68, 68, 0.25);
}
.status-tag.info {
  color: var(--color-info);
  background: var(--color-info-soft);
  border-color: rgba(6, 182, 212, 0.25);
}

.business-line-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
}

.business-line-progress .progress-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.business-line-progress .progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  box-shadow: 0 0 8px var(--color-primary-glow);
}

.business-line-progress .progress-fill.success {
  background: var(--gradient-success);
  box-shadow: 0 0 8px var(--color-success-glow);
}

.business-line-progress .progress-fill.warning {
  background: var(--gradient-warning);
  box-shadow: 0 0 8px var(--color-warning-glow);
}

.business-line-progress .progress-fill.danger {
  background: var(--gradient-danger);
  box-shadow: 0 0 8px var(--color-danger-glow);
}

.progress-percent {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-1);
  font-variant-numeric: tabular-nums;
  min-width: 50px;
  text-align: right;
}

.business-line-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-3);
  margin-top: 6px;
}

.business-line-meta strong {
  color: var(--color-text-1);
  font-weight: 600;
}

/* Biz Line Card (大版业务线卡片) */
.biz-line-card {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-glass);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.biz-line-card:last-child { margin-bottom: 0; }

.biz-line-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.biz-line-card:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border-glass-hover);
  transform: translateX(2px);
}

.biz-line-card:hover::before { opacity: 1; }

.biz-line-card .biz-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--color-text-2);
  font-weight: 500;
}

.biz-line-card .biz-amount {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-1);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
  font-family: var(--font-num);
}

.biz-line-card .biz-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-3);
  margin-bottom: 8px;
}

.biz-line-card .progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.biz-line-card .progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  box-shadow: 0 0 6px var(--color-primary-glow);
}

.biz-line-card .progress-fill.success {
  background: var(--gradient-success);
  box-shadow: 0 0 6px var(--color-success-glow);
}

.biz-line-card .progress-fill.warning {
  background: var(--gradient-warning);
  box-shadow: 0 0 6px var(--color-warning-glow);
}

.biz-line-card .progress-fill.danger {
  background: var(--gradient-danger);
  box-shadow: 0 0 6px var(--color-danger-glow);
}

/* ------------------------------------------------------------
 * 12. Top Status Bar (顶部实时数据条)
 * ------------------------------------------------------------ */
.top-status-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  overflow: hidden;
  position: relative;
}

.top-status-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
}

.status-bar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  white-space: nowrap;
  position: relative;
}

.status-bar-item + .status-bar-item::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.status-bar-label {
  color: var(--color-text-3);
}

.status-bar-value {
  color: var(--color-text-1);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.status-bar-value.up { color: var(--color-success); }
.status-bar-value.down { color: var(--color-danger); }

/* ------------------------------------------------------------
 * 13. Tabs
 * ------------------------------------------------------------ */
.tabs {
  display: inline-flex;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.tabs .tab-item {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tabs .tab-item:hover {
  color: var(--color-text-1);
  background: var(--color-bg-hover);
}

.tabs .tab-item.active {
  color: #fff;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow-primary);
}

/* ------------------------------------------------------------
 * 14. Buttons
 * ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-2);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border-glass-hover);
  color: var(--color-text-1);
}

.btn.btn-primary {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
}

.btn.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* ------------------------------------------------------------
 * 15. Time Picker (时间选择器)
 * ------------------------------------------------------------ */
.time-picker {
  display: inline-flex;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.time-picker .time-item {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-picker .time-item:hover {
  color: var(--color-text-1);
  background: var(--color-bg-hover);
}

.time-picker .time-item.active {
  color: #fff;
  background: var(--gradient-primary);
  box-shadow: 0 0 12px var(--color-primary-glow);
}

/* ------------------------------------------------------------
 * 15.1 Custom Date Range Picker (自定义日期范围)
 * ------------------------------------------------------------ */
.date-range-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.date-range-bar .quick-btns {
  display: flex;
  gap: 4px;
}

.date-range-bar .range-sep {
  color: var(--color-text-4);
  font-size: 12px;
}

.date-range-bar .range-label {
  font-size: 12px;
  color: var(--color-text-3);
  margin-right: 4px;
}

.date-range-bar .active-range {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: var(--shadow-glow-primary) !important;
}

.custom-range {
  position: relative;
}

.custom-range-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-2);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: inherit;
}

.custom-range-trigger:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-border-glass-hover);
  color: var(--color-text-1);
}

.custom-range-trigger.has-value {
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--color-text-1);
}

.custom-range-trigger svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.custom-range-trigger:hover svg {
  opacity: 1;
}

.custom-range-trigger .trigger-text {
  font-variant-numeric: tabular-nums;
}

.custom-range-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 340px;
  background: var(--color-bg-card-solid);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-glass-hover);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99, 102, 241, 0.1);
  z-index: 100;
  display: none;
  overflow: hidden;
}

.custom-range-popover::before {
  content: "";
  position: absolute;
  top: -6px;
  right: 24px;
  width: 12px;
  height: 12px;
  background: var(--color-bg-card-solid);
  border-left: 1px solid var(--color-border-glass-hover);
  border-top: 1px solid var(--color-border-glass-hover);
  transform: rotate(45deg);
}

.custom-range-popover.show {
  display: block;
  animation: popoverIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes popoverIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.custom-range-popover .popover-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.custom-range-popover .popover-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-1);
  display: flex;
  align-items: center;
  gap: 6px;
}

.custom-range-popover .popover-close {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--color-text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.custom-range-popover .popover-close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-1);
}

.custom-range-popover .popover-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.date-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.date-field label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.date-field input[type="date"] {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-sm);
  background: var(--color-bg-hover);
  color: var(--color-text-1);
  font-family: inherit;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  outline: none;
  transition: all var(--transition-fast);
  color-scheme: dark;
}

.date-field input[type="date"]:hover {
  border-color: var(--color-border-glass-hover);
  background: var(--color-bg-elevated);
}

.date-field input[type="date"]:focus {
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.date-field input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.8);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  padding: 4px;
  margin-right: -4px;
  width: 22px;
  height: 22px;
}

.date-field input[type="date"]:hover::-webkit-calendar-picker-indicator {
  opacity: 1;
}

/* 日期 input 添加更明显的下拉指示 */
.date-field .date-input-wrap {
  position: relative;
}

.date-field .date-input-wrap::after {
  content: "▼";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 9px;
  color: var(--color-text-3);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.date-field .date-input-wrap:hover::after {
  opacity: 1;
  color: var(--color-primary);
}

.date-field input[type="date"] {
  width: 100%;
  padding-right: 28px;
  cursor: pointer;
}

.date-field .date-presets {
  display: flex;
  gap: 4px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.date-preset-btn {
  padding: 3px 8px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-full);
  color: var(--color-text-3);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.date-preset-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.custom-range-popover .popover-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--color-border-glass);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.custom-range-popover .popover-footer .btn {
  height: 30px;
  padding: 0 14px;
}

/* 范围快捷按钮组 */
.range-presets {
  display: flex;
  gap: 4px;
  padding: 0 16px 12px;
  border-bottom: 1px solid var(--color-border-glass);
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.range-presets .preset-btn {
  padding: 4px 10px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-full);
  color: var(--color-text-3);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.range-presets .preset-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.range-presets .preset-btn.active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ------------------------------------------------------------
 * 16. Misc
 * ------------------------------------------------------------ */
.platform-comp-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-2);
  margin-bottom: 6px;
  padding-left: 4px;
}

.text-muted { color: var(--color-text-3); }
.text-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

/* Grid padded modifier */
.grid-padded > * {
  padding: 0 var(--spacing-sm);
}

.grid-padded {
  margin: 0 calc(var(--spacing-sm) * -1) var(--card-gap);
}

.chart-wrap {
  padding: 0 var(--spacing-base) var(--spacing-base);
}

.chart-label {
  padding: 0 var(--spacing-lg) var(--spacing-sm);
  font-size: 12px;
  color: var(--color-text-3);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ------------------------------------------------------------
 * 17. Funnel Chart
 * ------------------------------------------------------------ */
.funnel-container {
  height: 300px;
  width: 100%;
}

.funnel-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border-glass);
}

.funnel-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-1);
  margin-bottom: var(--spacing-sm);
}

.funnel-subtitle {
  font-size: 12px;
  color: var(--color-text-4);
  margin-bottom: var(--spacing-base);
}

/* ------------------------------------------------------------
 * 18. Page Entry Animations
 * ------------------------------------------------------------ */
.kpi-card, .card, .business-line-item, .info-item {
  animation: cardIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.kpi-card:nth-child(1) { animation-delay: 0.02s; }
.kpi-card:nth-child(2) { animation-delay: 0.05s; }
.kpi-card:nth-child(3) { animation-delay: 0.08s; }
.kpi-card:nth-child(4) { animation-delay: 0.11s; }
.kpi-card:nth-child(5) { animation-delay: 0.14s; }
.kpi-card:nth-child(6) { animation-delay: 0.17s; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------
 * 19. Data Table (通用数据表格)
 * ------------------------------------------------------------ */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  color: var(--color-text-2);
}

.data-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.3px;
  color: var(--color-text-4);
  background: rgba(15, 23, 42, 0.6);
  border-bottom: 1px solid var(--color-border-glass);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table thead th:first-child {
  border-top-left-radius: 6px;
}

.data-table thead th:last-child {
  border-top-right-radius: 6px;
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
  white-space: nowrap;
  line-height: 1.5;
}

.data-table tbody tr {
  transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.1);
}

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

.data-table .text-right {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.data-table-wrapper {
  overflow-x: auto;
  overflow-y: auto;
  border-radius: 6px;
  border: 1px solid rgba(148, 163, 184, 0.1);
  background: rgba(15, 23, 42, 0.3);
}

.data-table-wrapper::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.data-table-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.data-table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 3px;
}

.data-table-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.5);
}

/* ------------------------------------------------------------
 * 20. Responsive
 * ------------------------------------------------------------ */
@media (min-width: 1600px) {
  :root {
    --content-padding-x: 36px;
    --card-gap: 18px;
  }
  .kpi-card .kpi-value { font-size: 34px; }
  .main-content { padding: 20px var(--content-padding-x); }
}

@media (max-width: 1599px) {
  .main-content { padding-left: 28px; padding-right: 28px; }
}

@media (max-width: 1200px) {
  body { overflow-x: auto; }
}

/* ------------------------------------------------------------
 * 20. Empty State
 * ------------------------------------------------------------ */
.main-content > .card[style*="text-align:center"] {
  padding: 60px 20px !important;
}

.main-content > .card[style*="text-align:center"] > div:first-child {
  font-size: 48px;
  margin-bottom: 16px;
  filter: grayscale(0.3);
}