:root {
  /* Color Palette - Premium Dark Theme */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --bg-card: rgba(26, 26, 37, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.03);

  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #a855f7;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --accent-glow: rgba(99, 102, 241, 0.3);

  /* Status Colors */
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #a5b4fc;

  /* Border Colors */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(99, 102, 241, 0.4);

  /* 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: 0 0 40px var(--accent-glow);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

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

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

/* ============================================
   LIGHT THEME
   ============================================ */
:root[data-theme="light"] {
  /* Backgrounds */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-glass: rgba(0, 0, 0, 0.02);

  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-accent: #4f46e5;

  /* Border Colors */
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-medium: rgba(0, 0, 0, 0.1);
  --border-accent: rgba(99, 102, 241, 0.5);

  /* Shadows - Lighter for light mode */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

  /* Accent adjustments for light mode */
  --accent-glow: rgba(99, 102, 241, 0.2);
  --success-glow: rgba(16, 185, 129, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Effects */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(99, 102, 241, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(139, 92, 246, 0.1), transparent);
  pointer-events: none;
  z-index: -1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.25rem;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg);
}

/* Card Components */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  overflow: visible;
}

/* Data preview card needs special handling for full width */
.card:has(.table-container) {
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

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

.card-header h2 {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

/* Header */
.header {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
}

.header h1 {
  font-size: 3rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.6s ease-out;
}

.header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-medium);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--text-accent);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease-out;
}

.header-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* Main Layout */
.main-grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: var(--space-xl);
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

/* Sidebar Controls */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

select,
input[type="number"],
input[type="date"],
input[type="text"] {
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: all var(--transition-fast);
  appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 44px;
  cursor: pointer;
}

select:focus,
input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select:hover,
input:hover {
  border-color: var(--border-accent);
}

/* Industry Cards */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.industry-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.industry-option:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-medium);
}

.industry-option.selected {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-primary);
}

.industry-option .emoji {
  font-size: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-sm), 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 30px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

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

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

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  box-shadow: var(--shadow-sm), 0 0 20px var(--success-glow);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 30px var(--success-glow);
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-full {
  width: 100%;
}

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

/* Data Preview Table */
.table-container {
  overflow: auto;
  max-height: 70vh;
  min-height: 300px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  resize: vertical;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary) var(--bg-secondary);
}

.table-container::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.table-container::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.table-container::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: var(--radius-sm);
  border: 2px solid var(--bg-secondary);
}

.table-container::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

.table-container::-webkit-scrollbar-corner {
  background: var(--bg-secondary);
}

.data-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--bg-tertiary);
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-accent);
  border-bottom: 1px solid var(--border-medium);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table tr:hover td {
  background: var(--bg-glass);
  color: var(--text-primary);
}

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

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--text-muted);
}

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

.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

/* Loading State */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease-out;
  min-width: 280px;
}

.toast-success {
  border-left: 4px solid var(--success);
}

.toast-error {
  border-left: 4px solid var(--error);
}

.toast-icon {
  font-size: 1.25rem;
}

.toast-message {
  flex: 1;
  font-size: 0.875rem;
}

/* Progress Bar */
.progress-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-md);
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

/* Schema Preview */
.schema-preview {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.schema-title {
  font-size: 0.875rem;
  color: var(--text-accent);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.schema-columns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.schema-column {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.schema-column .type {
  color: var(--accent-tertiary);
  font-size: 0.625rem;
  text-transform: uppercase;
}

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

.pagination-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.pagination-info {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0 var(--space-md);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

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

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

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: var(--space-md);
  }

  .header h1 {
    font-size: 2rem;
  }

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

  .industry-grid {
    grid-template-columns: 1fr;
  }

  .btn-group {
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Advanced Options Panel */
.advanced-toggle {
  margin: var(--space-lg) 0;
}

.advanced-toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-glass);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.advanced-toggle-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.advanced-toggle-btn .toggle-icon {
  font-size: 0.625rem;
  transition: transform var(--transition-fast);
}

.advanced-toggle-btn.open .toggle-icon {
  transform: rotate(90deg);
}

.advanced-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  animation: slideDown 0.3s ease-out;
}

.advanced-panel .form-group {
  margin-bottom: var(--space-md);
}

.advanced-panel .form-group:last-child {
  margin-bottom: 0;
}

.advanced-panel select {
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  padding-right: 40px;
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
  font-style: italic;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced Search Controls */
.search-wrapper {
  display: flex;
  gap: var(--space-md);
  align-items: flex-end;
  flex-wrap: wrap;
  flex: 1;
}

.search-by {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 180px;
}

.search-by label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.search-by select {
  padding: var(--space-sm) var(--space-md);
  padding-right: 36px;
  font-size: 0.875rem;
  background-size: 16px;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-box input {
  padding-left: 40px;
  padding-right: 36px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  opacity: 0.6;
}

.search-clear-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.search-clear-btn:hover {
  background: var(--error);
  color: white;
}

.search-results {
  font-size: 0.875rem;
  color: var(--text-accent);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  margin-left: auto;
}

.search-results span {
  font-weight: 500;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

/* ============================================
   NEW FEATURES STYLES
   ============================================ */

/* Template Controls */
.template-controls {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.saved-templates {
  margin-top: var(--space-md);
}

.template-actions {
  margin-top: var(--space-sm);
}

/* Button Variants */
.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  box-shadow: var(--shadow-sm), 0 0 20px rgba(245, 158, 11, 0.2);
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(245, 158, 11, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  box-shadow: var(--shadow-sm), 0 0 20px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(239, 68, 68, 0.3);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.75rem;
}

/* Export Buttons Grid */
.export-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.export-buttons .btn {
  padding: var(--space-md);
}

/* Progress Container */
.progress-container {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.progress-container .progress-bar {
  margin-top: 0;
  height: 8px;
}

.progress-text {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-sm);
}

/* Table Controls */
.table-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 400px;
}

.search-box .search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  pointer-events: none;
}

.search-box input {
  padding-left: 2.5rem;
}

.column-toggle {
  display: flex;
  gap: var(--space-sm);
}

/* Schema Column with Checkbox */
.schema-column {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.schema-column:hover {
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
}

.schema-column.selected {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.schema-column input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.schema-column .column-name {
  flex: 1;
}

/* Highlighted Search Results */
.highlight {
  background: rgba(245, 158, 11, 0.3);
  border-radius: 2px;
  padding: 0 2px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    max-width: none;
  }

  .column-toggle {
    justify-content: center;
  }

  .export-buttons {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.theme-toggle-btn {
  width: 48px;
  height: 28px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
  padding: 0;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
}

.theme-toggle-btn::before {
  content: '🌙';
  position: absolute;
  top: 50%;
  left: 4px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: all var(--transition-base);
}

:root[data-theme="light"] .theme-toggle-btn::before {
  content: '☀️';
  left: calc(100% - 24px);
  background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
}

.theme-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   KEYBOARD SHORTCUTS
   ============================================ */
.keyboard-hint {
  display: none;
  font-size: 0.625rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  margin-left: var(--space-xs);
}

@media (min-width: 1024px) {
  .keyboard-hint {
    display: inline-block;
  }
}

/* Shortcuts modal */
.shortcuts-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.shortcuts-modal.active {
  display: flex;
}

.shortcuts-content {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 400px;
  width: 90%;
}

.shortcuts-content h3 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.shortcut-item:last-child {
  border-bottom: none;
}

.shortcut-key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-tertiary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  color: var(--text-accent);
}

.shortcut-help-btn {
  position: fixed;
  bottom: var(--space-xl);
  left: var(--space-xl);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 100;
}

.shortcut-help-btn:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* ============================================
   COLUMN SORTING
   ============================================ */
.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 1.5rem;
}

.data-table th.sortable:hover {
  background: var(--bg-tertiary);
}

.data-table th.sortable::after {
  content: '⇅';
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.3;
  font-size: 0.75rem;
}

.data-table th.sortable.sort-asc::after {
  content: '↑';
  opacity: 1;
  color: var(--accent-primary);
}

.data-table th.sortable.sort-desc::after {
  content: '↓';
  opacity: 1;
  color: var(--accent-primary);
}

/* ============================================
   COPY TO CLIPBOARD
   ============================================ */
.data-table td {
  position: relative;
}

.data-table td .copy-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.data-table td:hover .copy-btn {
  opacity: 1;
}

.data-table td .copy-btn:hover {
  background: var(--accent-primary);
  color: white;
}

.copy-row-btn {
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.copy-row-btn:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* ============================================
   STATISTICS PANEL
   ============================================ */
.stats-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stats-panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  cursor: pointer;
}

.stats-panel-header h4 {
  font-size: 0.875rem;
  color: var(--text-primary);
  margin: 0;
}

.stats-panel-toggle {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.stats-panel.collapsed .stats-panel-toggle {
  transform: rotate(-90deg);
}

.stats-panel.collapsed .stats-grid {
  display: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-sm);
}

.stat-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
}

.stat-item-header {
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.stat-item-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.stat-item-column {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================
   ROW NUMBERS
   ============================================ */
.data-table th.row-number,
.data-table td.row-number {
  width: 50px;
  min-width: 50px;
  max-width: 50px;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-secondary);
  position: sticky;
  left: 0;
  z-index: 1;
}

.data-table th.row-number {
  background: var(--bg-tertiary);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus rings */
*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--accent-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: 10000;
  text-decoration: none;
  font-weight: 500;
}

.skip-link:focus {
  top: var(--space-md);
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-subtle: rgba(255, 255, 255, 0.3);
    --border-medium: rgba(255, 255, 255, 0.5);
  }

  :root[data-theme="light"] {
    --border-subtle: rgba(0, 0, 0, 0.3);
    --border-medium: rgba(0, 0, 0, 0.5);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Previous Data Dropdown */
.previous-data-section {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.previous-data-section label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
  display: block;
}

.previous-data-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* ============================================
   MICRO-ANIMATIONS
   ============================================ */

/* Row fade-in animation */
@keyframes fadeInRow {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.data-table tbody tr {
  animation: fadeInRow 0.3s ease-out forwards;
}

.data-table tbody tr:nth-child(1) {
  animation-delay: 0ms;
}

.data-table tbody tr:nth-child(2) {
  animation-delay: 20ms;
}

.data-table tbody tr:nth-child(3) {
  animation-delay: 40ms;
}

.data-table tbody tr:nth-child(4) {
  animation-delay: 60ms;
}

.data-table tbody tr:nth-child(5) {
  animation-delay: 80ms;
}

.data-table tbody tr:nth-child(n+6) {
  animation-delay: 100ms;
}

/* Button press effect */
.btn {
  transform: translateY(0);
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:active {
  transform: translateY(2px);
  box-shadow: none !important;
}

/* Card hover lift effect */
.card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Industry option pulse on select */
@keyframes selectPulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

.industry-option.selected {
  animation: selectPulse 0.3s ease;
}

/* Progress bar shimmer */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.progress-fill {
  background: linear-gradient(90deg,
      var(--accent-primary) 0%,
      var(--accent-secondary) 50%,
      var(--accent-primary) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
}

/* Toast slide animation */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }

  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.toast {
  animation: slideInRight 0.3s ease forwards;
}

.toast.hiding {
  animation: slideOutRight 0.3s ease forwards;
}

/* Skeleton loading */
@keyframes skeletonPulse {

  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 0.8;
  }
}

.skeleton {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  animation: skeletonPulse 1.5s infinite ease-in-out;
}

/* ============================================
   CONTEXTUAL TOOLTIPS
   ============================================ */

[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-solid);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
  white-space: nowrap;
  max-width: 250px;
  white-space: normal;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
}

[data-tooltip]::after {
  content: '';
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  border: 6px solid transparent;
  border-top-color: var(--bg-solid);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Tooltip on right side variant */
[data-tooltip-right]::before {
  bottom: auto;
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
}

[data-tooltip-right]::after {
  bottom: auto;
  left: calc(100% + 2px);
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
  border: 6px solid transparent;
  border-right-color: var(--bg-solid);
}

[data-tooltip-right]:hover::before,
[data-tooltip-right]:hover::after {
  transform: translateY(-50%) translateX(0);
}

/* Info icon for tooltips */
.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: var(--space-xs);
  font-size: 0.625rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  cursor: help;
  vertical-align: middle;
}

.info-icon:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ============================================
   GENERATION HISTORY
   ============================================ */

.history-section {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

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

.history-header h4 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.history-toggle {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.history-section.collapsed .history-toggle {
  transform: rotate(-90deg);
}

.history-section.collapsed .history-list {
  display: none;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 300px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.history-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.history-item-icon {
  font-size: 1.25rem;
  opacity: 0.8;
}

.history-item-info {
  flex: 1;
  min-width: 0;
}

.history-item-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.history-item-actions {
  display: flex;
  gap: var(--space-xs);
}

.history-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.history-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.history-btn.delete:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.history-empty {
  text-align: center;
  padding: var(--space-lg);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.clear-history-btn {
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}

.clear-history-btn:hover {
  color: var(--color-danger);
}

/* ============================================
   UNDO/REDO CONTROLS
   ============================================ */

.undo-redo-controls {
  display: flex;
  gap: var(--space-xs);
}

.undo-redo-controls .btn {
  min-width: auto;
  padding: var(--space-xs) var(--space-sm);
}

.undo-redo-controls .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============================================
   COLUMN REORDERING (DRAG & DROP)
   ============================================ */

.data-table th.draggable {
  cursor: grab;
  user-select: none;
}

.data-table th.draggable:active {
  cursor: grabbing;
}

.data-table th.dragging {
  opacity: 0.5;
  background: var(--accent-primary) !important;
}

.data-table th.drag-over {
  border-left: 3px solid var(--accent-primary);
}

.data-table th.drag-over-right {
  border-right: 3px solid var(--accent-primary);
}

/* ============================================
   DATA DISTRIBUTION CHARTS
   ============================================ */

.stat-chart-container {
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: 1px solid var(--border-subtle);
}

.mini-histogram {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 40px;
  min-width: 80px;
}

.histogram-bar {
  flex: 1;
  min-width: 4px;
  background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border-radius: 2px 2px 0 0;
  transition: height 0.3s ease, opacity 0.2s ease;
}

.histogram-bar:hover {
  opacity: 0.8;
  transform: scaleY(1.1);
  transform-origin: bottom;
}

.sparkline {
  width: 100%;
  height: 30px;
  margin-top: var(--space-xs);
}

.sparkline path {
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sparkline .area {
  fill: var(--accent-primary);
  opacity: 0.2;
}

/* Stats item with chart */
.stat-item-chart {
  display: flex;
  flex-direction: column;
}

.stat-mini-chart {
  height: 32px;
  margin-top: var(--space-xs);
  display: flex;
  align-items: flex-end;
  gap: 1px;
}

.stat-mini-chart .bar {
  flex: 1;
  background: var(--accent-primary);
  border-radius: 1px 1px 0 0;
  min-width: 3px;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.stat-mini-chart .bar:hover {
  opacity: 1;
}