/* ============================================
   DATA ANALYST DASHBOARD — DESIGN SYSTEM
   Dark theme · Glassmorphism · Premium UI
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Background */
  --bg-primary: #0a0a1a;
  --bg-secondary: #0f0f23;
  --bg-card: rgba(17, 17, 40, 0.7);
  --bg-card-hover: rgba(25, 25, 55, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --bg-sidebar: rgba(10, 10, 30, 0.95);
  --bg-input: rgba(255, 255, 255, 0.05);
  --bg-table-row: rgba(255, 255, 255, 0.02);
  --bg-table-row-hover: rgba(59, 130, 246, 0.08);

  /* Borders */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-active: rgba(59, 130, 246, 0.5);
  --border-subtle: rgba(255, 255, 255, 0.04);

  /* Text */
  --text-primary: #e8e8f0;
  --text-secondary: #8888a8;
  --text-muted: #555570;
  --text-heading: #f0f0ff;
  --text-inverse: #0a0a1a;

  /* Accent Colors */
  --accent-blue: #3B82F6;
  --accent-blue-glow: rgba(59, 130, 246, 0.3);
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.3);
  --accent-purple: #8B5CF6;
  --accent-purple-glow: rgba(139, 92, 246, 0.3);
  --accent-amber: #F59E0B;
  --accent-amber-glow: rgba(245, 158, 11, 0.3);
  --accent-rose: #F43F5E;
  --accent-rose-glow: rgba(244, 63, 94, 0.3);
  --accent-cyan: #06B6D4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.3);
  --accent-orange: #F97316;

  /* Gradients */
  --gradient-blue: linear-gradient(135deg, #3B82F6, #2563EB);
  --gradient-emerald: linear-gradient(135deg, #10B981, #059669);
  --gradient-purple: linear-gradient(135deg, #8B5CF6, #7C3AED);
  --gradient-amber: linear-gradient(135deg, #F59E0B, #D97706);
  --gradient-rose: linear-gradient(135deg, #F43F5E, #E11D48);
  --gradient-cyan: linear-gradient(135deg, #06B6D4, #0891B2);
  --gradient-bg: linear-gradient(135deg, #0a0a1a 0%, #0f0f2d 50%, #0a0a1a 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-blue: 0 0 20px rgba(59, 130, 246, 0.15);
  --shadow-glow-emerald: 0 0 20px rgba(16, 185, 129, 0.15);

  /* Spacing */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --gap-xs: 6px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 28px;
  --gap-xl: 40px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-smooth);
  --transition-normal: 250ms var(--ease-smooth);
  --transition-slow: 400ms var(--ease-smooth);
}

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

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background subtle gradient animation */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { 
  background: rgba(255,255,255,0.12); 
  border-radius: var(--radius-full); 
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Layout ── */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: width var(--transition-normal);
}

.sidebar-header {
  padding: var(--gap-md) var(--gap-md);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  min-height: var(--header-height);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow-blue);
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
}

.sidebar-brand h1 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.sidebar-brand span {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  padding: var(--gap-sm) var(--gap-sm);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--gap-sm) var(--gap-sm) var(--gap-xs);
  margin-top: var(--gap-sm);
}

.nav-section-label:first-child {
  margin-top: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  position: relative;
  user-select: none;
}

.nav-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--accent-blue);
}

.nav-item-icon {
  font-size: 1.15rem;
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-item-badge {
  margin-left: auto;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  min-width: 24px;
  text-align: center;
}

.nav-item-badge.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.nav-item-badge.amber {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.nav-item-badge.rose {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
}

.sidebar-footer {
  padding: var(--gap-md);
  border-top: 1px solid var(--border-glass);
}

.sidebar-footer-info {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald-glow);
  animation: pulse-dot 2s infinite;
}

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

/* ── Main Content ── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--gap-lg);
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

/* ── Page Header ── */
.page-header {
  margin-bottom: var(--gap-lg);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--gap-md);
}

.page-header-left h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.page-header-left p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 4px;
}

.page-header-right {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  flex-shrink: 0;
}

/* ── Cards (Glass) ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--gap-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow-blue);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--gap-md);
}

.card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--gap-xs);
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Stat Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--gap-md) var(--gap-md);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-active);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.15;
  pointer-events: none;
}

.stat-card.blue::after { background: var(--accent-blue); }
.stat-card.emerald::after { background: var(--accent-emerald); }
.stat-card.purple::after { background: var(--accent-purple); }
.stat-card.amber::after { background: var(--accent-amber); }
.stat-card.rose::after { background: var(--accent-rose); }
.stat-card.cyan::after { background: var(--accent-cyan); }

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--gap-sm);
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.stat-icon.emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.stat-icon.amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.stat-icon.rose { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }
.stat-icon.cyan { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.stat-change.up {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
}

.stat-change.down {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
}

/* ── Charts Grid ── */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}

.charts-grid.three-col {
  grid-template-columns: repeat(3, 1fr);
}

.chart-container {
  position: relative;
  width: 100%;
  min-height: 280px;
}

.chart-container canvas {
  max-height: 320px;
}

/* ── Data Quality Bar ── */
.quality-bar-container {
  margin-bottom: var(--gap-lg);
}

.quality-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.quality-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1.5s var(--ease-smooth);
  position: relative;
}

.quality-bar-fill.excellent { background: var(--gradient-emerald); }
.quality-bar-fill.good { background: var(--gradient-blue); }
.quality-bar-fill.fair { background: var(--gradient-amber); }
.quality-bar-fill.poor { background: var(--gradient-rose); }

.quality-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.quality-label span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.quality-label strong {
  font-size: 1.1rem;
  color: var(--text-heading);
  font-weight: 700;
}

/* ── Data Table ── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  background: rgba(17, 17, 40, 0.95);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.data-table th:hover {
  color: var(--accent-blue);
}

.data-table th.sorted-asc::after { content: ' ↑'; color: var(--accent-blue); }
.data-table th.sorted-desc::after { content: ' ↓'; color: var(--accent-blue); }

.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  white-space: nowrap;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--bg-table-row-hover);
}

.data-table tbody tr:nth-child(even) {
  background: var(--bg-table-row);
}

.data-table tbody tr:nth-child(even):hover {
  background: var(--bg-table-row-hover);
}

/* Row quality indicators */
.row-quality {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.row-quality.complete { background: var(--accent-emerald); box-shadow: 0 0 4px var(--accent-emerald-glow); }
.row-quality.partial { background: var(--accent-amber); }
.row-quality.incomplete { background: var(--accent-rose); }

/* ── Table Controls ── */
.table-controls {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-md);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.filter-select {
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  min-width: 140px;
  transition: border-color var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888a8' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.filter-select:focus {
  border-color: var(--accent-blue);
}

.filter-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.btn-primary {
  background: var(--gradient-blue);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-blue), var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-active);
}

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

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

/* ── Badges / Tags ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.badge-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.badge-amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.badge-rose { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }
.badge-cyan { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.badge-gray { background: rgba(255, 255, 255, 0.06); color: var(--text-secondary); }

/* ── Score Badge ── */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.82rem;
  position: relative;
}

.score-badge.excellent {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.score-badge.good {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
}

.score-badge.fair {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.score-badge.poor {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
}

/* ── Lead Cards ── */
.leads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--gap-md);
}

.lead-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--gap-md);
  transition: all var(--transition-normal);
  position: relative;
}

.lead-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-emerald);
  box-shadow: var(--shadow-glow-emerald), var(--shadow-md);
}

.lead-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--gap-sm);
}

.lead-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.3;
}

.lead-card-owner {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.lead-card-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: var(--gap-sm);
}

.lead-card-detail {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.lead-card-detail .detail-icon {
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.lead-card-detail .detail-value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}

.lead-card-detail .detail-value.missing {
  color: var(--text-muted);
  font-style: italic;
}

.lead-card-tags {
  display: flex;
  gap: 6px;
  margin-top: var(--gap-sm);
  flex-wrap: wrap;
}

.lead-card-rank {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-emerald);
  color: white;
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

/* ── Missing Data Heatmap ── */
.heatmap-grid {
  display: grid;
  grid-template-columns: 150px repeat(auto-fit, minmax(60px, 1fr));
  gap: 2px;
  font-size: 0.72rem;
}

.heatmap-header {
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 8px;
  text-align: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  height: 80px;
}

.heatmap-row-label {
  padding: 6px 8px;
  color: var(--text-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.heatmap-cell {
  padding: 6px;
  text-align: center;
  border-radius: 4px;
  font-weight: 600;
  transition: transform var(--transition-fast);
  cursor: pointer;
}

.heatmap-cell:hover {
  transform: scale(1.1);
  z-index: 5;
}

.heatmap-cell.level-0 { background: rgba(16, 185, 129, 0.3); color: var(--accent-emerald); }
.heatmap-cell.level-1 { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.heatmap-cell.level-2 { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.heatmap-cell.level-3 { background: rgba(245, 158, 11, 0.3); color: var(--accent-amber); }
.heatmap-cell.level-4 { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }
.heatmap-cell.level-5 { background: rgba(244, 63, 94, 0.3); color: var(--accent-rose); }

/* ── Pipeline Funnel ── */
.funnel-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--gap-md) 0;
}

.funnel-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.88rem;
  color: white;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  text-align: center;
}

.funnel-stage:hover {
  transform: scaleX(1.02);
  filter: brightness(1.1);
}

.funnel-stage .funnel-count {
  font-size: 1.5rem;
  font-weight: 800;
  display: block;
}

.funnel-stage .funnel-label {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.9;
}

/* ── Duplicate Cards ── */
.duplicate-group {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--gap-md);
  margin-bottom: var(--gap-md);
}

.duplicate-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--gap-sm);
  padding-bottom: var(--gap-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.duplicate-group-title {
  font-weight: 700;
  color: var(--accent-amber);
  font-size: 0.92rem;
}

.duplicate-match-score {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-amber);
}

.duplicate-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-sm);
}

.duplicate-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--gap-sm);
  font-size: 0.8rem;
}

.duplicate-item-field {
  display: flex;
  gap: 8px;
  padding: 3px 0;
}

.duplicate-item-field .field-label {
  color: var(--text-muted);
  min-width: 70px;
  font-weight: 500;
}

.duplicate-item-field .field-value {
  color: var(--text-primary);
}

.duplicate-item-field .field-value.highlight {
  color: var(--accent-amber);
  font-weight: 600;
}

/* ── Map ── */
.map-container {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.map-container .leaflet-container {
  background: var(--bg-secondary);
}

/* ── Panels ── */
.panel {
  display: none;
  animation: fadeIn 0.4s var(--ease-smooth);
}

.panel.active {
  display: block;
}

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

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--gap-md);
  padding: var(--gap-sm) 0;
}

.pagination-info {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: var(--border-active);
}

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

.pagination-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Animated Counter ── */
.counter-animate {
  display: inline-block;
}

/* ── Loading State ── */
.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s var(--ease-smooth);
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(59, 130, 246, 0.15);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  margin-top: var(--gap-md);
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.loading-subtext {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Progress Bar (for data loading) ── */
.progress-bar {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--gap-md);
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-blue);
  border-radius: var(--radius-full);
  transition: width 0.3s var(--ease-smooth);
  width: 0%;
}

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--gap-xl) var(--gap-md);
  text-align: center;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--gap-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.empty-state-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 400px;
}

/* ── Tooltip ── */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(20, 20, 45, 0.95);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  border: 1px solid var(--border-glass);
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--gap-md);
  border: 1px solid var(--border-glass);
  width: fit-content;
}

.tab {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  font-family: inherit;
}

.tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab.active {
  background: var(--accent-blue);
  color: white;
}

/* ── File Upload Drop Zone ── */
.drop-zone {
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--gap-xl);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.active {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

/* ── Responsive ── */
@media (max-width: 1200px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .charts-grid.three-col {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .leads-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Number Animation ── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.count-animated {
  animation: countUp 0.6s var(--ease-smooth) forwards;
}

/* ── Skeleton Loading ── */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ── Notification Toast ── */
.toast-container {
  position: fixed;
  top: var(--gap-md);
  right: var(--gap-md);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.toast {
  background: rgba(20, 20, 50, 0.95);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  font-size: 0.82rem;
  color: var(--text-primary);
  backdrop-filter: blur(12px);
  animation: slideIn 0.3s var(--ease-smooth);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
}

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

.toast-icon { font-size: 1.1rem; flex-shrink: 0; }
.toast.success .toast-icon { color: var(--accent-emerald); }
.toast.error .toast-icon { color: var(--accent-rose); }
.toast.info .toast-icon { color: var(--accent-blue); }

/* ── Missing Field Indicator ── */
.field-missing {
  color: var(--text-muted);
  font-style: italic;
}

.field-present {
  color: var(--accent-emerald);
}

/* ── Completeness Dots ── */
.completeness-dots {
  display: flex;
  gap: 3px;
  align-items: center;
}

.completeness-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.completeness-dot.filled { background: var(--accent-emerald); }
.completeness-dot.empty { background: rgba(255, 255, 255, 0.08); }

/* ── Per-page selector ── */
.per-page-select {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.per-page-select select {
  padding: 4px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.78rem;
  outline: none;
}

/* ── Login Screen ── */
.login-wrapper {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--gap-md);
  background: radial-gradient(circle at center, #0f0f35 0%, #050510 100%);
}

body.logged-out .login-wrapper {
  display: flex;
}
body.logged-out .app-layout {
  display: none !important;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(17, 17, 40, 0.75);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--gap-xl) var(--gap-lg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(59, 130, 246, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
  animation: fadeInScale 0.4s var(--ease-smooth);
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-xs);
}

.login-logo {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  background: var(--gradient-blue);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-blue);
  margin-bottom: var(--gap-xs);
}

.login-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.login-header p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input {
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-glass);
  padding-top: var(--gap-md);
  margin-top: var(--gap-xs);
}

/* ── AI Chat & Data Cleaner ── */
#aiChatThread {
  scroll-behavior: smooth;
}

#aiChatThread > div {
  animation: fadeInBubble 0.25s var(--ease-smooth);
}

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

.prompt-sugg {
  background: rgba(255, 255, 255, 0.03) !important;
  border: 1px solid var(--border-glass) !important;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm) !important;
  padding: 8px 12px !important;
  font-size: 0.78rem !important;
  text-align: left !important;
  cursor: pointer !important;
  transition: all var(--transition-fast) !important;
  display: block !important;
  width: 100% !important;
  margin-top: 4px !important;
}

.prompt-sugg:hover {
  background: rgba(59, 130, 246, 0.08) !important;
  border-color: var(--accent-blue) !important;
  color: var(--text-primary) !important;
  transform: translateX(3px);
}

#aiChatInput {
  transition: all var(--transition-fast);
}

#aiChatInput:focus {
  border-color: var(--accent-blue) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15) !important;
  background: rgba(255, 255, 255, 0.08) !important;
}

.inline-code {
  background: rgba(255, 255, 255, 0.07) !important;
  border: 1px solid var(--border-glass) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  font-family: 'Consolas', 'Courier New', Courier, monospace !important;
  font-size: 0.85em !important;
  color: var(--accent-cyan) !important;
}

.code-block {
  background: rgba(0, 0, 0, 0.45) !important;
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-md) !important;
  padding: 12px !important;
  margin: 10px 0 !important;
  font-family: 'Consolas', 'Courier New', Courier, monospace !important;
  font-size: 0.8rem !important;
  overflow-x: auto;
}

.code-block code {
  color: #a5d6ff !important;
}

/* Custom scrollbar for chat thread */
#aiChatThread::-webkit-scrollbar {
  width: 4px;
}
#aiChatThread::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
}
#aiChatThread::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Cleaning hub enhancements */
#aiCleanerTableBody tr {
  transition: background var(--transition-fast);
}

#aiCleanerTableBody tr:hover {
  background: rgba(255, 255, 255, 0.02) !important;
}

#aiCleanerTableBody input[type="checkbox"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
  accent-color: var(--accent-blue);
}