/* ==========================================================================
   GastroGen — Modern Medical AI Dashboard Stylesheet
   Design System: Plus Jakarta Sans, Custom Glassmorphism, Micro-Animations
   ========================================================================== */

:root {
  --bg-app: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-light: #EEF2FF;
  --primary-glow: rgba(79, 70, 229, 0.15);
  
  --accent-pink: #EC4899;
  --accent-pink-light: #FDF2F8;
  --accent-purple: #8B5CF6;
  --accent-purple-light: #F5F3FF;
  --accent-blue: #3B82F6;
  --accent-blue-light: #EFF6FF;
  --accent-orange: #F97316;
  --accent-orange-light: #FFF7ED;
  --accent-green: #10B981;
  --accent-green-light: #ECFDF5;
  --accent-teal: #06B6D4;
  
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  
  --border-subtle: #E2E8F0;
  --border-focus: #C7D2FE;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-card: 0 4px 14px 0 rgba(0, 0, 0, 0.03), 0 1px 3px 0 rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 10px 25px -5px rgba(79, 70, 229, 0.08);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Top Header Navigation */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  padding: 12px 28px;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.brand-title {
  font-size: 20px;
  font-weight: 800;
  color: #0F172A;
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.header-center-title {
  text-align: center;
}

.header-center-title h1 {
  font-size: 15px;
  font-weight: 700;
  color: #0F172A;
  letter-spacing: -0.2px;
}

.header-center-title p {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.user-profile:hover {
  background: var(--primary-light);
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #1E293B;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.user-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
}

.dropdown-arrow {
  font-size: 11px;
  color: var(--text-light);
}

/* App Layout */
.app-layout {
  display: flex;
  min-height: calc(100vh - 65px);
}

/* Sidebar Navigation */
.sidebar {
  width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 14px;
  position: sticky;
  top: 65px;
  height: calc(100vh - 65px);
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  color: #475569;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  color: #64748B;
  transition: color 0.2s ease;
}

.nav-item:hover {
  background: #F1F5F9;
  color: var(--primary);
}

.nav-item:hover i {
  color: var(--primary);
}

.nav-item.active {
  background: #EEF2FF;
  color: var(--primary);
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.08);
}

.nav-item.active i {
  color: var(--primary);
}

.sidebar-footer {
  text-align: center;
  padding-top: 20px;
}

.watermark-graphic {
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
}

.organ-vector {
  width: 60px;
  height: 70px;
}

.tagline {
  font-size: 11px;
  color: var(--text-light);
  line-height: 1.4;
}

.tagline strong {
  color: var(--primary);
}

/* Main Dashboard Area */
.main-dashboard {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  background: #F8FAFC;
}

/* Section Switching Animations */
.view-section {
  display: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.view-section.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Section Banners */
.section-banner {
  background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #9333EA 100%);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  color: #FFFFFF;
  margin-bottom: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 8px 20px -4px rgba(79, 70, 229, 0.25);
}

.section-banner.vae-gradient {
  background: linear-gradient(135deg, #7C3AED 0%, #C026D3 50%, #EC4899 100%);
  box-shadow: 0 8px 20px -4px rgba(192, 38, 211, 0.25);
}

.section-banner.dataset-gradient {
  background: linear-gradient(135deg, #0284C7 0%, #2563EB 50%, #4F46E5 100%);
  box-shadow: 0 8px 20px -4px rgba(2, 132, 199, 0.25);
}

.section-banner.about-gradient {
  background: linear-gradient(135deg, #0D9488 0%, #059669 50%, #16A34A 100%);
  box-shadow: 0 8px 20px -4px rgba(13, 148, 136, 0.25);
}

.banner-text h2 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}

.banner-text p {
  font-size: 12.5px;
  opacity: 0.9;
  max-width: 800px;
  line-height: 1.4;
}

.banner-badge-group {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.model-pill {
  font-size: 11px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  gap: 6px;
}

.model-pill.success {
  background: rgba(16, 185, 129, 0.3);
  border-color: rgba(16, 185, 129, 0.5);
}

/* Dashboard Row Grids */
.dashboard-row {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

.row-recon-grid {
  grid-template-columns: 1.15fr 0.85fr;
}

.row-details-grid {
  grid-template-columns: 1fr 1fr;
}

/* Card General Styling */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #F1F5F9;
}

.header-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-title-wrap i {
  font-size: 17px;
}

.card-header h3 {
  font-size: 14.5px;
  font-weight: 700;
  color: #1E293B;
  letter-spacing: -0.2px;
}

.header-badge {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: 12px;
}

.header-badge.purple {
  color: var(--accent-purple);
  background: var(--accent-purple-light);
}

.header-badge.pink {
  color: var(--accent-pink);
  background: var(--accent-pink-light);
}

.header-badge.orange {
  color: var(--accent-orange);
  background: var(--accent-orange-light);
}

.header-badge.success {
  color: var(--accent-green);
  background: var(--accent-green-light);
}

/* Dropzone Mini */
.dropzone-mini {
  border: 2px dashed #CBD5E1;
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  background: #F8FAFC;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 12px;
}

.dropzone-mini:hover, .dropzone-mini.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-icon-circle.mini {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #EEF2FF;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-bottom: 4px;
}

.upload-icon-circle.mini.pink {
  background: #FDF2F8;
  color: var(--accent-pink);
}

.dropzone-text.mini {
  font-size: 12px;
  color: var(--text-muted);
}

.dropzone-text.mini strong {
  color: #1E293B;
}

/* Sample Picker Bar */
.sample-picker-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.sample-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.sample-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  font-size: 11px;
  font-weight: 600;
  background: #F1F5F9;
  border: 1px solid var(--border-subtle);
  color: #475569;
  padding: 4px 10px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.chip.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

#vaeSampleChips .chip.active {
  background: var(--pink);
  border-color: var(--pink);
}

.comp-sample-picker {
  padding: 12px 18px 4px 18px;
  margin-bottom: 0;
}

/* Side-by-Side Visual Comparison */
.side-by-side-recon {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.recon-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.img-label {
  font-size: 11.5px;
  font-weight: 700;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 6px;
}

.img-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #000000;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.img-frame:hover img {
  transform: scale(1.03);
}

.img-frame.recon-glow {
  border: 2px solid var(--primary);
  box-shadow: 0 0 15px rgba(79, 70, 229, 0.2);
}

.img-frame.recon-glow.pink {
  border: 2px solid var(--accent-pink);
  box-shadow: 0 0 15px rgba(236, 72, 153, 0.2);
}

.recon-arrow-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.arrow-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.15);
}

.arrow-circle.pink {
  background: var(--accent-pink-light);
  color: var(--accent-pink);
  box-shadow: 0 2px 6px rgba(236, 72, 153, 0.15);
}

.bottleneck-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.1;
}

/* Metrics Ribbon */
.metrics-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background: #F8FAFC;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 14px;
}

.metric-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.m-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.m-val {
  font-size: 15px;
  font-weight: 800;
  color: #0F172A;
  margin: 2px 0;
}

.m-sub {
  font-size: 9.5px;
  color: var(--text-light);
}

.highlight-green { color: var(--accent-green) !important; }
.highlight-blue { color: var(--accent-blue) !important; }
.highlight-purple { color: var(--accent-purple) !important; }
.highlight-pink { color: var(--accent-pink) !important; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #4F46E5 0%, #6366F1 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4338CA 0%, #4F46E5 100%);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #F1F5F9;
  color: #334155;
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.btn-block {
  width: 100%;
}

.btn-group-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
}

/* Loss Summary Cards & Charts */
.loss-summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.l-card {
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
  text-align: center;
}

.l-lbl {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
}

.l-num {
  font-size: 14px;
  font-weight: 800;
  color: #1E293B;
}

.chart-wrapper-loss {
  height: 280px;
  position: relative;
  margin-bottom: 14px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.85) 0%, rgba(241, 245, 249, 0.4) 100%);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-md);
  padding: 12px 14px 8px 14px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
}

.chart-wrapper-class {
  height: 280px;
  position: relative;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.85) 0%, rgba(241, 245, 249, 0.4) 100%);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-md);
  padding: 12px 14px 8px 14px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
}

.loss-explanation {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.loss-pill {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.train-dot { background: #4F46E5; }
.val-dot { background: #EC4899; }
.pink-dot { background: #EC4899; }
.purple-dot { background: #8B5CF6; }

/* Latent Bottleneck & Flow Diagram */
.bottleneck-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.4;
}

.layer-flow-diagram {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 10px 0;
  margin-bottom: 14px;
}

.flow-step {
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  text-align: center;
  min-width: 80px;
}

.flow-step.bottleneck-active {
  background: var(--primary-light);
  border-color: var(--primary);
}

.flow-step.bottleneck-active .step-name {
  color: var(--primary);
}

.step-name {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: #475569;
}

.step-dim {
  font-size: 9px;
  color: var(--text-light);
  font-weight: 600;
}

.flow-arrow {
  color: var(--text-light);
  font-size: 10px;
}

.latent-vector-grid {
  display: grid;
  grid-template-columns: repeat(32, 1fr);
  gap: 2px;
  height: 50px;
  background: #0F172A;
  padding: 4px;
  border-radius: 6px;
}

.latent-cell {
  background: #3B82F6;
  border-radius: 1px;
  transition: opacity 0.3s ease;
}

.heatmap-title {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* VAE Synth Drawer */
.synth-samples-drawer {
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-top: 14px;
}

.drawer-header {
  font-size: 11.5px;
  font-weight: 700;
  color: #1E293B;
  margin-bottom: 8px;
}

.drawer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.drawer-thumb {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.drawer-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-pills-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.comp-box {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
}

.comp-box ul {
  padding-left: 16px;
  margin-top: 4px;
  line-height: 1.4;
}

.error-box {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

.success-box {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #166534;
}

.comp-title {
  font-weight: 700;
  margin-bottom: 4px;
}

.spatial-channels-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.channel-chip {
  font-size: 10.5px;
  font-weight: 600;
  background: #EDE9FE;
  color: #6D28D9;
  padding: 4px 8px;
  border-radius: 12px;
}

/* ==========================================================================
   MODEL COMPARISON SECTION
   ========================================================================== */
.comp-gallery-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 10px;
}

.comp-item {
  display: flex;
  flex-direction: column;
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px;
  text-align: center;
  position: relative;
}

.comp-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 10px;
  margin-bottom: 8px;
  display: inline-block;
}

.comp-badge.real { background: #E2E8F0; color: #334155; }
.comp-badge.ae { background: var(--primary-light); color: var(--primary); }
.comp-badge.vae { background: var(--accent-pink-light); color: var(--accent-pink); }
.comp-badge.transformer { background: var(--accent-teal); color: #FFFFFF; }

.comp-thumb-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000000;
  margin-bottom: 8px;
  border: 1px solid var(--border-subtle);
}

.comp-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comp-metrics-card {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.c-metric-row {
  display: flex;
  justify-content: space-between;
  padding: 1px 4px;
}

/* Benchmark Table */
.table-responsive {
  overflow-x: auto;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.benchmark-table th {
  background: #F8FAFC;
  color: var(--text-muted);
  font-weight: 700;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.benchmark-table td {
  padding: 12px;
  border-bottom: 1px solid #F1F5F9;
  color: #1E293B;
}

.benchmark-table tr.highlight-row {
  background: #FDF2F8;
}

.badge-score {
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11.5px;
}

.badge-score.green { background: #DCFCE7; color: #15803D; }
.badge-score.blue { background: #DBEAFE; color: #1D4ED8; }
.badge-score.pink { background: #FCE7F3; color: #BE185D; }
.badge-score.orange { background: #FFEDD5; color: #C2410C; }

.chart-wrapper-aug {
  height: 220px;
  position: relative;
}

/* ==========================================================================
   DATASET INFO SECTION
   ========================================================================== */
.dataset-class-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.class-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.class-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.class-card.active {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 1px var(--primary);
}

.class-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.class-header h4 {
  font-size: 13px;
  font-weight: 700;
  color: #1E293B;
}

.c-type {
  font-size: 9.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.c-type.pathology { background: #FEE2E2; color: #DC2626; }
.c-type.therapeutic { background: #E0E7FF; color: #4338CA; }
.c-type.anatomical { background: #DCFCE7; color: #15803D; }

.class-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.35;
  margin-bottom: 8px;
}

.class-meta {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-light);
}

.dataset-samples-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.d-sample-thumb {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.d-sample-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.d-sample-thumb:hover img {
  transform: scale(1.05);
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-body-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.objective-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.obj-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.obj-text strong {
  font-size: 13px;
  color: #1E293B;
  display: block;
  margin-bottom: 2px;
}

.obj-text p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.tech-item {
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.tech-item i {
  font-size: 24px;
  margin-bottom: 6px;
  display: block;
}

.tech-item strong {
  font-size: 12.5px;
  display: block;
  color: #1E293B;
}

.tech-item span {
  font-size: 10.5px;
  color: var(--text-light);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .row-recon-grid, .row-details-grid {
    grid-template-columns: 1fr;
  }
  .comp-gallery-row, .dataset-class-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   VISION TRANSFORMER (ViT v2) WORKBENCH STYLES
   ========================================================================== */
.section-banner.tf-banner {
  background: linear-gradient(135deg, #0F766E 0%, #0D9488 40%, #0284C7 100%);
  box-shadow: 0 8px 20px -4px rgba(13, 148, 136, 0.28);
}

.text-teal { color: #0D9488 !important; }
.header-badge.teal {
  color: #0D9488;
  background: #CCFBF1;
}

.model-pill.teal {
  background: rgba(13, 148, 136, 0.35);
  border-color: rgba(13, 148, 136, 0.55);
}

.model-pill.purple {
  background: rgba(139, 92, 246, 0.35);
  border-color: rgba(139, 92, 246, 0.55);
}

.upload-icon-circle.mini.teal {
  background: #CCFBF1;
  color: #0D9488;
}

.btn-teal {
  background: linear-gradient(135deg, #0D9488 0%, #0284C7 100%) !important;
  border-color: #0D9488 !important;
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
}

.btn-teal:hover {
  background: linear-gradient(135deg, #0F766E 0%, #0369A1 100%) !important;
  transform: translateY(-1px);
}

/* 4-View Switcher Toolbar */
.tf-view-switcher {
  background: #F1F5F9;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin-bottom: 14px;
}

.switcher-label {
  font-size: 11px;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.switcher-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.tf-view-btn {
  font-size: 11.5px;
  font-weight: 600;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: #475569;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.18s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}

.tf-view-btn:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.tf-view-btn.active {
  background: #0D9488;
  color: #FFFFFF;
  border-color: #0D9488;
  box-shadow: 0 2px 6px rgba(13, 148, 136, 0.25);
}

/* Main Preview Container */
.tf-preview-container {
  margin-bottom: 14px;
}

.tf-main-frame {
  aspect-ratio: 1 / 1;
  max-height: 290px;
  margin: 0 auto;
  border: 2px solid #0D9488;
  box-shadow: 0 0 16px rgba(13, 148, 136, 0.2);
}

.view-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.view-tag.teal {
  background: #CCFBF1;
  color: #0F766E;
}

/* 4-Thumbnail Simultaneous Tray */
.tf-thumbs-tray {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.tf-tray-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.tray-label {
  font-size: 10px;
  font-weight: 700;
  color: #64748B;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.tray-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--border-subtle);
  background: #000000;
  transition: all 0.2s ease;
}

.tray-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tf-tray-item:hover .tray-thumb {
  border-color: #0D9488;
  transform: scale(1.04);
}

.tf-tray-item.active .tray-thumb {
  border-color: #0D9488;
  box-shadow: 0 0 10px rgba(13, 148, 136, 0.4);
}

.tf-tray-item.active .tray-label {
  color: #0D9488;
  font-weight: 800;
}

/* Card Results & Hero Diagnosis */
.card-tf-results {
  background: #FFFFFF;
}

.tf-results-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tf-hero-diagnosis {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #F0FDFA 0%, #E0F2FE 100%);
  border: 1px solid #CCFBF1;
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.hero-sub {
  font-size: 11px;
  font-weight: 600;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-class {
  font-size: 22px;
  font-weight: 800;
  color: #0F172A;
  margin: 2px 0 6px 0;
  letter-spacing: -0.5px;
}

.hero-badges {
  display: flex;
  gap: 8px;
  align-items: center;
}

.tf-hero-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.hero-metric-lbl {
  font-size: 10.5px;
  font-weight: 600;
  color: #64748B;
}

.hero-metric-val {
  font-size: 20px;
  font-weight: 800;
  color: #0D9488;
}

.hero-metric-device {
  font-size: 10.5px;
  font-weight: 600;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 8-Class Horizontal Animated Probability Bars */
.tf-prob-section {
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.prob-section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  font-weight: 700;
  color: #334155;
  margin-bottom: 10px;
}

.tf-prob-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tf-prob-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.tf-prob-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  color: #475569;
}

.tf-prob-row.top-prob .tf-prob-meta {
  color: #0D9488;
  font-weight: 700;
}

.tf-prob-track {
  width: 100%;
  height: 7px;
  background: #E2E8F0;
  border-radius: 4px;
  overflow: hidden;
}

.tf-prob-fill {
  height: 100%;
  background: #94A3B8;
  border-radius: 4px;
  transition: width 0.4s ease;
}

.tf-prob-fill.highlight {
  background: linear-gradient(90deg, #0D9488 0%, #06B6D4 100%);
  box-shadow: 0 0 8px rgba(13, 148, 136, 0.4);
}

/* Top Patches Grid */
.tf-patch-section {
  background: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.tf-top-patches-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.tf-patch-chip {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
}

.patch-hdr {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  font-weight: 700;
}

.patch-idx { color: #0D9488; }
.patch-score { color: #64748B; }

.patch-detail {
  display: flex;
  flex-direction: column;
  font-size: 9.5px;
  color: #94A3B8;
  line-height: 1.3;
}

/* AI Clinical Narrative Card */
.card-tf-narrative {
  background: #FFFFFF;
}

.narrative-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.narrative-quote-box {
  display: flex;
  gap: 14px;
  background: #F8FAFC;
  border-left: 4px solid #0D9488;
  padding: 16px;
  border-radius: var(--radius-sm);
}

.quote-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #CCFBF1;
  color: #0D9488;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.narrative-text {
  font-size: 13.5px;
  color: #1E293B;
  line-height: 1.65;
  font-weight: 500;
}

.clinical-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #FFFBEB;
  border: 1px solid #FEF3C7;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 11.5px;
  color: #92400E;
  line-height: 1.45;
}

.math-callout {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #F1F5F9;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.math-title {
  font-size: 11px;
  font-weight: 700;
  color: #475569;
}

.math-callout code {
  font-family: 'Courier New', monospace;
  font-size: 11.5px;
  color: #0F766E;
  background: #E2E8F0;
  padding: 4px 8px;
  border-radius: 4px;
  overflow-x: auto;
}

/* Dots and highlights */
.dot.teal-dot {
  background: #0D9488;
}

.highlight-row-teal {
  background: rgba(13, 148, 136, 0.05);
  border-left: 3px solid #0D9488;
}