/* =============================================
   Cricut GA4 Analytics Dashboard — Premium Theme
   Design: inhouse-plus inspired, Gemini-generated
   ============================================= */

:root {
  /* Primary (Google Blue - Looker Studio風) */
  --primary: #1A73E8;
  --primary-light: #E8F0FE;
  --primary-dark: #174EA6;

  /* Sidebar */
  --sidebar-bg: #F8FAFD;
  --sidebar-border: #E8EAED;
  --sidebar-text: #3C4043;
  --sidebar-active: #1A73E8;

  /* Semantic (Google Material風) */
  --success: #388E3C;
  --error: #F44336;
  --warning: #F59E0B;
  --info: #1A73E8;

  /* Text (Google Material風) */
  --text-primary: #202124;
  --text-secondary: #5F6368;
  --text-muted: #80868B;

  /* Surfaces */
  --background: #FFFFFF;
  --card-bg: #ffffff;

  /* Chart palette */
  --chart-1: #3B82F6;
  --chart-2: #10B981;
  --chart-3: #F59E0B;
  --chart-4: #EF4444;
  --chart-5: #8B5CF6;
  --chart-6: #EC4899;
  --chart-7: #06B6D4;
  --chart-8: #F97316;

  /* Spacing (8px grid) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;

  /* Radius */
  --radius: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  /* Transition */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.2s;

  /* Typography */
  --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--primary); color: var(--text-primary); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94A3B8; }

/* ===== Layout ===== */
.dashboard {
  display: flex;
  max-width: 1440px;
  margin: 0 auto;
  min-height: 100vh;
}

/* ===== Sidebar (Looker Studio風 — 白背景) ===== */
.sidebar {
  width: 240px;
  min-width: 240px;
  max-width: 240px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: var(--sp-4) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--sidebar-border);
}

.sidebar-brand {
  padding: var(--sp-4) var(--sp-5);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-logo {
  display: block;
  margin-bottom: 2px;
}
.sidebar-logo--dark { display: none; }

.sidebar-brand h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--sidebar-active);
}

.sidebar-brand small {
  display: block;
  font-size: 11px;
  color: #5F6368;
  margin-top: 3px;
  font-weight: 400;
}

/* Nav */
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-4);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  transition: all var(--duration) var(--ease);
  position: relative;
}

.nav-item:hover {
  background: rgba(26,115,232,0.06);
  color: var(--sidebar-active);
}

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

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--sidebar-active);
  border-radius: 0 3px 3px 0;
}

.nav-icon { font-size: 14px; width: 20px; text-align: center; flex-shrink: 0; color: #5F6368; }
.nav-item.active .nav-icon { color: var(--sidebar-active); }

/* ===== Nav Sections (階層メニュー) ===== */
.nav-section { margin-bottom: 1px; }
.nav-subsection { margin-left: var(--sp-3); }

.nav-section-header {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-4);
  color: var(--sidebar-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all var(--duration) var(--ease);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.nav-section-header:hover {
  background: rgba(26,115,232,0.06);
  color: var(--sidebar-active);
}

.nav-section-label { flex: 1; }

.nav-chevron {
  font-size: 10px;
  color: var(--text-muted);
  transition: transform var(--duration) var(--ease);
}

.nav-section.open > .nav-section-header .nav-chevron {
  transform: rotate(90deg);
}

.nav-section-children {
  display: none;
  padding-left: var(--sp-4);
}

.nav-section.open > .nav-section-children {
  display: block;
}

.nav-section-children .nav-item {
  font-size: 12px;
  padding: 6px var(--sp-3);
  color: var(--text-secondary);
}

.nav-section-children .nav-item:hover {
  color: var(--sidebar-active);
}

.nav-section-children .nav-item.active {
  background: var(--primary-light);
  color: var(--sidebar-active);
  font-weight: 600;
}

.nav-section-children .nav-subsection .nav-section-header {
  font-size: 12px;
  padding: 6px var(--sp-3);
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-section-children .nav-subsection .nav-section-children .nav-item {
  font-size: 11px;
  padding: 5px var(--sp-2);
  padding-left: var(--sp-3);
}

/* Sidebar scroll */
.sidebar nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 var(--sp-2);
  overflow-y: auto;
}

/* Theme Toggle */
.sidebar-controls {
  margin-top: auto;
  display: flex;
  gap: 8px;
  padding: 0 var(--sp-4) var(--sp-4);
}

.theme-toggle {
  flex: 1;
  padding: 8px var(--sp-3);
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius);
  background: transparent;
  color: #5F6368;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  transition: all var(--duration) var(--ease);
  text-align: left;
}

.theme-toggle:hover {
  border-color: var(--sidebar-active);
  color: var(--sidebar-active);
  background: var(--primary-light);
}

.lang-toggle {
  padding: 8px 12px;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius);
  background: transparent;
  color: #5F6368;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-sans);
  transition: all var(--duration) var(--ease);
  letter-spacing: 0.5px;
}

.lang-toggle:hover {
  border-color: var(--sidebar-active);
  color: var(--sidebar-active);
  background: var(--primary-light);
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  min-width: 0;
  padding: var(--sp-8);
  overflow-x: hidden;
}

/* ===== Page Header (Looker Studio風) ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--primary);
}

.page-header h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.updated-at {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  background: rgba(0,0,0,0.03);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* ===== KPI Sections (インハウスプラス風 3セクション横並び) ===== */
.kpi-sections {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.kpi-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
}

.kpi-section-header {
  padding: 8px var(--sp-4);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-bottom: 1px solid rgba(26,115,232,0.15);
}

.kpi-section .kpi-grid {
  margin-bottom: 0;
  gap: 0;
  padding: var(--sp-3);
}

.kpi-grid-2 { grid-template-columns: 1fr 1fr !important; }
.kpi-grid-3 { grid-template-columns: 1fr 1fr 1fr !important; }

.kpi-section .kpi-card {
  border-left: none;
  box-shadow: none;
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-3);
}

.kpi-section .kpi-card:nth-child(n) { border-left-color: transparent; }

/* ===== Summary Dashboard (inhouse-plus完全再現) ===== */
.summary-top-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.summary-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.summary-section-header {
  padding: 10px var(--sp-4);
  font-size: 13px;
  font-weight: 700;
  color: var(--section-color, var(--primary));
  background: color-mix(in srgb, var(--section-color, var(--primary)) 8%, transparent);
  border-bottom: 2px solid var(--section-color, var(--primary));
}

.summary-section-kpis {
  display: flex;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-4) var(--sp-2);
}

.summary-kpi {
  flex: 1;
  min-width: 0;
}

.summary-kpi-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.summary-kpi-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.summary-kpi-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  font-family: 'Inter', sans-serif;
  font-variant-numeric: tabular-nums;
}

.summary-kpi-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.summary-kpi-badge.badge-up {
  color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
}

.summary-kpi-badge.badge-down {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.1);
}

.summary-kpi-badge.badge-flat {
  color: var(--text-muted);
  background: rgba(148, 163, 184, 0.1);
}

.summary-sparkline-wrap {
  padding: 0 var(--sp-4) var(--sp-3);
  height: 70px;
}

.summary-bottom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.summary-panel-body {
  padding: 0 !important;
  max-height: 260px;
  overflow-y: auto;
}

.summary-loading {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 13px;
}

.compact-table {
  font-size: 12px !important;
}

.compact-table th {
  font-size: 10px !important;
  padding: 6px 10px !important;
}

.compact-table td {
  padding: 6px 10px !important;
  font-size: 12px !important;
}

/* Dark mode for summary */
[data-theme="dark"] .summary-section { border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .summary-section-header { background: color-mix(in srgb, var(--section-color, var(--primary)) 12%, transparent); }
[data-theme="dark"] .summary-kpi-badge.badge-up { color: #4ade80; background: rgba(74, 222, 128, 0.12); }
[data-theme="dark"] .summary-kpi-badge.badge-down { color: #f87171; background: rgba(248, 113, 113, 0.12); }

/* Responsive */
@media (max-width: 1024px) {
  .summary-top-grid { grid-template-columns: 1fr 1fr; }
  .summary-bottom-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .summary-top-grid { grid-template-columns: 1fr; }
  .summary-bottom-grid { grid-template-columns: 1fr; }
  .summary-kpi-value { font-size: 18px; }
}

/* ===== Period Bar (Looker Studio風) ===== */
.period-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px var(--sp-5);
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: var(--sp-6);
  box-shadow: var(--shadow-xs);
  font-size: 13px;
  color: var(--text-secondary);
  border-left: 3px solid var(--primary);
}

.period-bar strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== KPI Grid (Looker Studio スコアカード風) ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.kpi-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-5);
  box-shadow: var(--shadow-xs);
  border-left: 3px solid transparent;
  transition: all var(--duration) var(--ease);
  text-align: left;
  position: relative;
}

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

.kpi-card:nth-child(1) { border-left-color: var(--chart-1); }
.kpi-card:nth-child(2) { border-left-color: var(--chart-2); }
.kpi-card:nth-child(3) { border-left-color: var(--chart-3); }
.kpi-card:nth-child(4) { border-left-color: var(--chart-4); }
.kpi-card:nth-child(5) { border-left-color: var(--chart-5); }
.kpi-card:nth-child(6) { border-left-color: var(--chart-6); }
.kpi-card:nth-child(7) { border-left-color: var(--chart-7); }
.kpi-card:nth-child(8) { border-left-color: var(--chart-8); }

.kpi-label {
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  font-family: 'Inter', sans-serif;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.kpi-trend .kpi-trend-label {
  font-size: 10px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

.kpi-trend.up {
  color: var(--success);
  background: rgba(16,185,129,0.08);
}

.kpi-trend.down {
  color: var(--error);
  background: rgba(239,68,68,0.08);
}

.kpi-trend.flat {
  color: var(--text-muted);
  background: rgba(148,163,184,0.08);
}

/* ===== Chart Card (Looker Studio風) ===== */
.chart-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  margin-bottom: var(--sp-5);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  background: rgba(0,0,0,0.015);
}

.chart-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.chart-body {
  padding: var(--sp-5);
}

/* ===== Data Table (Looker Studio風) ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 10px var(--sp-4);
  text-align: left;
  position: sticky;
  top: 0;
  white-space: nowrap;
  border-bottom: 2px solid var(--primary);
}

.data-table td {
  padding: 9px var(--sp-4);
  color: var(--text-primary);
  border-bottom: 1px solid #F1F5F9;
  font-variant-numeric: tabular-nums;
}

/* ディメンション列: URL/商品名などの長文を制御 */
.data-table td.dim-cell {
  max-width: 360px;
  word-break: break-all;
  line-height: 1.4;
  font-size: 12px;
}
.data-table td.dim-cell[title] {
  cursor: help;
}

.data-table tbody tr { transition: background var(--duration) var(--ease); }
.data-table tbody tr:nth-child(even) { background: rgba(0,0,0,0.015); }
.data-table tbody tr:hover { background: rgba(59,130,246,0.06); }

/* ===== Grid Layouts ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--sp-6); }

/* ===== Funnel ===== */
.funnel-step { margin-bottom: var(--sp-4); }

.funnel-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.funnel-bar {
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-4);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  transition: width 0.6s var(--ease);
  box-shadow: var(--shadow-xs);
}

/* ===== Filter Bar (Looker Studio風) ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

/* Filter chips (Looker Studio風) */
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border: 1px solid #DADCE0;
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--card-bg);
  cursor: default;
  white-space: nowrap;
}

.filter-chip.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 500;
}

.filter-chip-icon {
  font-size: 14px;
}

.date-range {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  padding: var(--sp-4);
  background: var(--card-bg);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  flex-wrap: wrap;
}

.date-range-field {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 170px;
}

.date-range input[type="date"],
.filter-select {
  padding: 8px 12px;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--card-bg);
  transition: border-color var(--duration) var(--ease);
}

.date-range input[type="date"]:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--info);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

/* ===== Buttons ===== */
.btn-refresh {
  background: var(--primary-gradient);
  color: var(--text-primary);
  border: none;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--duration) var(--ease);
  box-shadow: var(--shadow-xs);
}

.btn-refresh:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* ===== Utilities ===== */
.text-up { color: var(--success); }
.text-down { color: var(--error); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge.success { background: rgba(16,185,129,0.12); color: var(--success); }
.badge.error { background: rgba(239,68,68,0.12); color: var(--error); }
.badge.warning { background: rgba(245,158,11,0.12); color: #B45309; }
.badge.info { background: rgba(59,130,246,0.12); color: var(--info); }

.tooltip { position: relative; display: inline-block; }
.tooltip .tooltiptext {
  visibility: hidden;
  width: 160px;
  background: var(--text-primary);
  color: #fff;
  text-align: center;
  padding: 8px 12px;
  border-radius: var(--radius);
  position: absolute;
  z-index: 10;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.2s;
  font-size: 12px;
  line-height: 1.4;
  box-shadow: var(--shadow-lg);
}
.tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }

/* ===== Clarity Button ===== */
.clarity-btn {
  display: block;
  margin-top: 10px;
  padding: 10px 14px;
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.clarity-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ===== Loading ===== */
.loading-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #E2E8F0;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Animations ===== */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.fade-in { animation: fade-in 0.4s var(--ease) both; }
.slide-in { animation: slide-in 0.4s var(--ease) both; }

/* Staggered animation for KPI cards */
.kpi-card:nth-child(1) { animation-delay: 0s; }
.kpi-card:nth-child(2) { animation-delay: 0.05s; }
.kpi-card:nth-child(3) { animation-delay: 0.1s; }
.kpi-card:nth-child(4) { animation-delay: 0.15s; }
.kpi-card:nth-child(5) { animation-delay: 0.2s; }
.kpi-card:nth-child(6) { animation-delay: 0.25s; }
.kpi-card:nth-child(7) { animation-delay: 0.3s; }
.kpi-card:nth-child(8) { animation-delay: 0.35s; }

/* ===== Page Transition ===== */
.page-content { transition: opacity 0.25s var(--ease); }
.page-content.loaded { opacity: 1; }

/* ===== Mobile ===== */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: 1000;
  background: var(--text-primary);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 18px;
  box-shadow: var(--shadow-md);
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --background: #0F172A;
  --card-bg: #1E293B;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
}

[data-theme="dark"] body { background: var(--background); color: var(--text-primary); }
[data-theme="dark"] .page-header { border-bottom-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .data-table th { background: #1A2332; border-bottom-color: #2D3B4E; color: var(--chart-1); }
[data-theme="dark"] .data-table td { border-bottom-color: rgba(255,255,255,0.04); }
[data-theme="dark"] .data-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.02); }
[data-theme="dark"] .data-table tbody tr:hover { background: rgba(59,130,246,0.08); }
[data-theme="dark"] .chart-header { background: rgba(255,255,255,0.03); border-bottom-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .chart-card { border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .period-bar { background: #1E293B; border-left-color: var(--chart-1); }
[data-theme="dark"] .date-range { background: #0F172A; border-color: #334155; }
[data-theme="dark"] .date-range input, [data-theme="dark"] .filter-select { background: #1E293B; border-color: #334155; color: #E2E8F0; }
[data-theme="dark"] .date-range-field { color: #94A3B8; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #475569; }
[data-theme="dark"] .sidebar { background: #1E293B; border-right-color: #334155; }
[data-theme="dark"] .sidebar-brand { border-bottom-color: #334155; }
[data-theme="dark"] .sidebar-logo--light { display: none; }
[data-theme="dark"] .sidebar-logo--dark { display: block; }
[data-theme="dark"] .sidebar-brand small { color: #94A3B8; }
[data-theme="dark"] .nav-item { color: #94A3B8; }
[data-theme="dark"] .nav-item:hover { background: rgba(26,115,232,0.12); color: #93C5FD; }
[data-theme="dark"] .nav-item.active { background: rgba(26,115,232,0.2); color: #93C5FD; }
[data-theme="dark"] .nav-icon { color: #64748B; }
[data-theme="dark"] .nav-item.active .nav-icon { color: #93C5FD; }
[data-theme="dark"] .nav-section-header { color: #94A3B8; }
[data-theme="dark"] .nav-section-header:hover { background: rgba(26,115,232,0.12); color: #93C5FD; }
[data-theme="dark"] .nav-section-children .nav-item { color: #64748B; }
[data-theme="dark"] .nav-section-children .nav-item.active { background: rgba(26,115,232,0.2); color: #93C5FD; }
[data-theme="dark"] .theme-toggle { border-color: #334155; color: #94A3B8; }
[data-theme="dark"] .lang-toggle { border-color: #334155; color: #94A3B8; }
[data-theme="dark"] .lang-toggle:hover { border-color: #93C5FD; color: #93C5FD; background: rgba(26,115,232,0.12); }
[data-theme="dark"] .kpi-card { border-top-width: 3px; }

/* ===== Print ===== */
@media print {
  .sidebar, .sidebar-toggle, .theme-toggle, .lang-toggle, .sidebar-controls, .filter-bar, .btn-refresh { display: none !important; }
  .dashboard { max-width: 100%; }
  .main-content { padding: 0; }
  .chart-card, .kpi-card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
  body { background: #fff; color: #000; font-size: 12px; }
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-sections { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .sidebar-toggle { display: flex; align-items: center; justify-content: center; }
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    height: 100vh;
    z-index: 999;
    transition: left 0.3s var(--ease);
    box-shadow: var(--shadow-xl);
  }
  .sidebar.open { left: 0; }
  .main-content { padding: var(--sp-4); padding-top: 60px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-sections { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; gap: var(--sp-2); }
  .kpi-value { font-size: 22px; }
  .period-bar { flex-wrap: wrap; font-size: 12px; }
  .filter-bar { overflow-x: auto; flex-wrap: nowrap; }
  .date-range {
    align-items: stretch;
    justify-content: stretch;
    padding: var(--sp-3);
  }
  .date-range-field {
    min-width: 0;
    width: 100%;
  }
  .date-range input[type="date"],
  .date-range .btn-refresh {
    width: 100%;
  }
}