/* ============================================
   FINESE 2 — Modern Light Theme with Creative Enhancements
   ============================================ */

:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-elevated: #FFFFFF;
  --surface-default: #FFFFFF;
  --surface-hover: #F8FAFC;
  --surface-active: #F1F5F9;
  --surface-selected: #EEF2FF;
  --border-subtle: #E2E8F0;
  --border-default: #CBD5E1;
  --border-strong: #94A3B8;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;
  --text-inverse: #FFFFFF;
  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-200: #C7D2FE;
  --primary-300: #A5B4FC;
  --primary-400: #818CF8;
  --primary-500: #6366F1;
  --primary-600: #4F46E5;
  --primary-700: #4338CA;
  --success-50: #F0FDF4;
  --success-500: #22C55E;
  --success-600: #16A34A;
  --warning-50: #FFFBEB;
  --warning-500: #EAB308;
  --warning-600: #CA8A04;
  --danger-50: #FEF2F2;
  --danger-500: #EF4444;
  --danger-600: #DC2626;
  --data-blue: #3B82F6;
  --data-indigo: #6366F1;
  --data-violet: #8B5CF6;
  --data-pink: #EC4899;
  --data-rose: #F43F5E;
  --data-orange: #F97316;
  --data-amber: #F59E0B;
  --data-emerald: #10B981;
  --data-cyan: #06B6D4;
  --shadow-xs: 0 1px 2px 0 rgb(15 23 42 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(15 23 42 / 0.08), 0 1px 2px -1px rgb(15 23 42 / 0.08);
  --shadow-md: 0 4px 6px -1px rgb(15 23 42 / 0.08), 0 2px 4px -2px rgb(15 23 42 / 0.08);
  --shadow-lg: 0 10px 15px -3px rgb(15 23 42 / 0.08), 0 4px 6px -4px rgb(15 23 42 / 0.08);
  --shadow-xl: 0 20px 25px -5px rgb(15 23 42 / 0.08), 0 8px 10px -6px rgb(15 23 42 / 0.08);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 100%);
  color: var(--text-primary);
  line-height: 1.5;
  overflow: hidden;
}

/* ============================================
   Layout
   ============================================ */

.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 280px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.05);
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  background: transparent;
}

/* ============================================
   Sidebar Enhancements
   ============================================ */

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  color: white;
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 5px rgba(99, 102, 241, 0.5)); }
  50% { filter: drop-shadow(0 0 15px rgba(99, 102, 241, 0.8)); }
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.sidebar-section {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.sidebar-section:hover {
  background: var(--bg-secondary);
}

.sidebar-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

/* Upload Zone with Animation */
.upload-zone {
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  position: relative;
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
  transition: left 0.5s;
}

.upload-zone:hover::before {
  left: 100%;
}

.upload-zone:hover {
  border-color: var(--primary-500);
  background: var(--primary-50);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.15);
}

.upload-zone.dragover {
  border-color: var(--primary-500);
  background: var(--primary-50);
  transform: scale(1.02);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.2);
}

.upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.upload-content svg {
  color: var(--text-tertiary);
  transition: transform 0.3s ease;
}

.upload-zone:hover .upload-content svg {
  transform: translateY(-4px);
  color: var(--primary-500);
}

.upload-text {
  font-size: 13px;
  font-weight: 500;
}

.upload-hint {
  font-size: 11px;
  color: var(--text-tertiary);
}

.upload-status {
  margin-top: 8px;
  font-size: 12px;
  min-height: 18px;
  animation: fadeIn 0.3s ease;
}

.upload-status.success { 
  color: var(--success-600);
  font-weight: 600;
}
.upload-status.error { 
  color: var(--danger-600);
  font-weight: 600;
}

/* Dataset Card */
.dataset-card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.dataset-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.dataset-empty {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 13px;
}

.dataset-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dataset-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dataset-meta {
  font-size: 11px;
  color: var(--text-tertiary);
}

.dataset-shape {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.shape-badge {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.shape-badge:hover {
  background: var(--primary-50);
  border-color: var(--primary-500);
  color: var(--primary-700);
}

/* Shape Control */
.shape-control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.shape-control label {
  font-size: 12px;
  color: var(--text-secondary);
}

.shape-control input {
  padding: 8px 12px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.2s;
}

.shape-control input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
  transform: translateY(-1px);
}

/* ============================================
   Top Bar
   ============================================ */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dataset-badge {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  color: var(--primary-700);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--primary-200);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: var(--bg-tertiary);
  color: var(--primary-600);
  transform: rotate(15deg);
}

/* ============================================
   Tab Bar with Active Indicator Animation
   ============================================ */

.tab-bar {
  display: flex;
  gap: 4px;
  padding: 0 32px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  overflow-x: auto;
}

.tab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.tab-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.tab-item.active {
  color: var(--primary-600);
  font-weight: 600;
}

.tab-item.active::after {
  width: 100%;
}

.tab-item svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.tab-item:hover svg {
  transform: scale(1.1);
}

/* ============================================
   Cards & Surfaces with Hover Effects
   ============================================ */

.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 600;
  font-size: 14px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

/* ============================================
   Health Hero Card - Centerpiece
   ============================================ */

.health-hero-card {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  border: 2px solid var(--primary-200);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1);
}

.health-score-circle {
  position: relative;
  width: 160px;
  height: 160px;
}

.health-score-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.score-value {
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.score-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================
   Enhanced Metric Cards with Icons
   ============================================ */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
  opacity: 0;
  transition: opacity 0.3s;
}

.metric-card:hover {
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
  transform: translateY(-4px);
  border-color: var(--primary-300);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.metric-card:hover .metric-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.2);
}

.metric-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.metric-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -1px;
}

.metric-sublabel {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.metric-delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  animation: pulse 2s ease-in-out infinite;
}

.metric-delta.positive {
  background: var(--success-50);
  color: var(--success-600);
}

.metric-delta.negative {
  background: var(--danger-50);
  color: var(--danger-600);
}

/* ============================================
   Quality Metrics with Animated Bars
   ============================================ */

.quality-metric {
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.quality-metric:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quality-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quality-bar-container {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 8px;
}

.quality-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.quality-bar.uniqueness {
  background: linear-gradient(90deg, var(--data-emerald), var(--data-cyan));
}

.quality-bar.validity {
  background: linear-gradient(90deg, var(--data-violet), var(--data-pink));
}

.quality-bar.consistency {
  background: linear-gradient(90deg, var(--data-orange), var(--data-amber));
}

.quality-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: right;
}

/* ============================================
   Smart Insights Panel
   ============================================ */

.insights-card {
  border: 2px solid var(--primary-200);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--primary-50) 100%);
}

.insight-item {
  display: flex;
  gap: 12px;
  padding: 16px;
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  transition: all 0.3s ease;
  animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.insight-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.insight-item.insight-warning {
  border-left: 4px solid var(--warning-500);
}

.insight-item.insight-info {
  border-left: 4px solid var(--primary-500);
}

.insight-item.insight-success {
  border-left: 4px solid var(--success-500);
}

.insight-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.insight-content strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: 14px;
}

.insight-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* ============================================
   Section Titles
   ============================================ */

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-title svg {
  color: var(--primary-500);
}

/* ============================================
   Preview Cards
   ============================================ */

.preview-card {
  border: 2px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.preview-card:hover {
  border-color: var(--primary-300);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.1);
}

/* ============================================
   Buttons with Ripple Effect
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: var(--text-inverse);
  border-color: var(--primary-500);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  border-color: var(--primary-600);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
  color: var(--text-inverse);
  border-color: var(--success-500);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--success-600) 0%, #15803D 100%);
  border-color: var(--success-600);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-500) 0%, var(--danger-600) 100%);
  color: var(--text-inverse);
  border-color: var(--danger-500);
}

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

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

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

.btn-lg {
  padding: 12px 24px;
  font-size: 14px;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

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

.form-control {
  padding: 10px 14px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.2s;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.6;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ============================================
   Tables
   ============================================ */

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table thead {
  background: var(--bg-secondary);
}

.table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.table tbody tr {
  transition: all 0.2s ease;
}

.table tbody tr:hover {
  background: var(--bg-secondary);
  transform: scale(1.01);
}

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

/* ============================================
   Badges
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.badge:hover {
  transform: scale(1.05);
}

.badge-primary { 
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  color: var(--primary-700);
  border: 1px solid var(--primary-200);
}
.badge-success { 
  background: linear-gradient(135deg, var(--success-50) 0%, #DCFCE7 100%);
  color: var(--success-600);
  border: 1px solid rgb(34 197 94 / 0.2);
}
.badge-warning { 
  background: linear-gradient(135deg, var(--warning-50) 0%, #FEF3C7 100%);
  color: var(--warning-600);
  border: 1px solid rgb(234 179 8 / 0.2);
}
.badge-danger { 
  background: linear-gradient(135deg, var(--danger-50) 0%, #FEE2E2 100%);
  color: var(--danger-600);
  border: 1px solid rgb(239 68 68 / 0.2);
}
.badge-secondary { 
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* ============================================
   Alerts
   ============================================ */

.alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  font-size: 13px;
  margin-bottom: 20px;
  animation: slideDown 0.3s ease;
}

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

.alert-info {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  border: 1px solid var(--primary-200);
  color: var(--primary-700);
}

.alert-success {
  background: linear-gradient(135deg, var(--success-50) 0%, #DCFCE7 100%);
  border: 1px solid rgb(34 197 94 / 0.2);
  color: var(--success-600);
}

.alert-warning {
  background: linear-gradient(135deg, var(--warning-50) 0%, #FEF3C7 100%);
  border: 1px solid rgb(234 179 8 / 0.2);
  color: var(--warning-600);
}

.alert-danger {
  background: linear-gradient(135deg, var(--danger-50) 0%, #FEE2E2 100%);
  border: 1px solid rgb(239 68 68 / 0.2);
  color: var(--danger-600);
}

/* ============================================
   Progress
   ============================================ */

.progress {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* ============================================
   Empty States
   ============================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-tertiary);
}

.empty-state svg {
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13px;
  max-width: 320px;
}

/* ============================================
   Toast Notifications with Slide Animation
   ============================================ */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: 13px;
  min-width: 300px;
  animation: toastSlide 0.3s ease;
  pointer-events: all;
}

.toast-success { 
  border-left: 4px solid var(--success-500);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--success-50) 100%);
}
.toast-error { 
  border-left: 4px solid var(--danger-500);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--danger-50) 100%);
}
.toast-warning { 
  border-left: 4px solid var(--warning-500);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--warning-50) 100%);
}

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

/* ============================================
   Chat Interface
   ============================================ */

.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  min-height: 400px;
}

.chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  gap: 12px;
  max-width: 80%;
  animation: messageSlide 0.3s ease;
}

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

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.chat-message:hover .chat-avatar {
  transform: scale(1.1);
}

.chat-avatar.user {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.chat-avatar.assistant {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 13px;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
}

.chat-message.user .chat-bubble {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-message.assistant .chat-bubble {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-bottom-left-radius: 4px;
}

.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

/* ============================================
   Grid Layout Utilities
   ============================================ */

.row {
  display: flex;
  flex-wrap: wrap;
  margin: -8px;
}

.col { padding: 8px; flex: 1; }
.col-3 { padding: 8px; width: 25%; }
.col-4 { padding: 8px; width: 33.333%; }
.col-6 { padding: 8px; width: 50%; }
.col-8 { padding: 8px; width: 66.666%; }
.col-9 { padding: 8px; width: 75%; }
.col-12 { padding: 8px; width: 100%; }

.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.gap-4 { gap: 24px; }

.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }

/* ============================================
   AG-Grid Customization
   ============================================ */

.ag-theme-alpine {
  --ag-font-family: 'Inter', system-ui, sans-serif;
  --ag-font-size: 13px;
  --ag-border-color: var(--border-subtle);
  --ag-header-background-color: var(--bg-secondary);
  --ag-odd-row-background-color: var(--bg-primary);
  --ag-row-hover-color: var(--bg-secondary);
  --ag-selected-row-background-color: var(--primary-50);
  --ag-range-selection-border-color: var(--primary-500);
  --ag-checkbox-checked-color: var(--primary-500);
  --ag-alpine-active-color: var(--primary-500);
}

/* ============================================
   Scrollbar with Gradient
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-500) 100%);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
}

/* ============================================
   Animations
   ============================================ */

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

.animate-fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading-pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.bounce {
  animation: bounce 1s ease-in-out infinite;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .sidebar { width: 240px; }
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .app-layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; max-height: 40vh; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .content { padding: 16px; }
  .tab-bar { padding: 0 16px; }
  .topbar { padding: 12px 16px; }
}

/* ============================================
   New Feature Styles - Auto Insights & AI Report
   ============================================ */

.btn-purple {
  background: linear-gradient(135deg, #8B5CF6, #A855F7);
  color: white;
  border: none;
  transition: all 0.3s ease;
}

.btn-purple:hover {
  background: linear-gradient(135deg, #7C3AED, #9333EA);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-gradient {
  background: linear-gradient(135deg, #6366F1, #EC4899);
  color: white;
  border: none;
  transition: all 0.3s ease;
}

.btn-gradient:hover {
  background: linear-gradient(135deg, #4F46E5, #DB2777);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.border-purple {
  border-color: #8B5CF6 !important;
}

.bg-purple-light {
  background-color: #F3E8FF !important;
  color: #7C3AED !important;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, #6366F1, #8B5CF6) !important;
}

.border-gradient {
  border: 2px solid transparent;
  background-image: linear-gradient(white, white), linear-gradient(135deg, #6366F1, #EC4899);
  background-origin: border-box;
  background-clip: content-box, border-box;
}

.markdown-content {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

.markdown-content h1, .markdown-content h2, .markdown-content h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: #0F172A;
}

.markdown-content p {
  margin-bottom: 1em;
}

.markdown-content code {
  background-color: #F1F5F9;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.markdown-content pre {
  background-color: #1E293B;
  color: #E2E8F0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
}

.markdown-content th, .markdown-content td {
  border: 1px solid #E2E8F0;
  padding: 8px 12px;
  text-align: left;
}

.markdown-content th {
  background-color: #F8FAFC;
  font-weight: 600;
}