/* ============================================================
   UGTLD v3 → UGT Lab for Discovery Theme
   
   Transforms the existing academic UI into a production
   research platform with:
   - Platform Topbar (fixed, full-width)
   - Viewer Rail (left, group-organized)
   - Main Workspace (center, scrollable)
   - Inspector Panel (right, collapsible)
   - Job Drawer (bottom, collapsible)
   
   ⚠️ Works WITH styles.css — overrides/extensions only
   ⚠️ All existing .v4-* classes and DOM ids preserved
   ============================================================ */

/* ── Extended Design Tokens ── */
:root {
  /* Platform layout dimensions */
  --platform-topbar-h: 48px;
  --platform-rail-w: 56px;
  --platform-rail-w-expanded: 220px;
  --platform-inspector-w: 340px;
  --platform-inspector-w-collapsed: 0px;
  --platform-job-drawer-h: 0px;
  --platform-job-drawer-h-expanded: 240px;

  /* Extended surface tokens — Dark Academic */
  --bg-platform:     #FFFFFF;
  --bg-rail:         #F8FAF8;
  --bg-rail-hover:   #F1F5F1;
  --bg-rail-active:  #E8F5E9;
  --bg-inspector:    #F1F5F1;
  --bg-job-drawer:   #FFFFFF;
  --bg-topbar:       #1B5E20;
  --bg-surface:      #F1F5F1;
  --bg-surface-alt:  #F1F5F1;

  /* Extended accent tokens */
  --rail-accent:     #2E7D32;
  --rail-accent-dim: #1B5E20;

  /* Component tokens */
  --summary-card-bg:      #F1F5F1;
  --summary-card-border:  #E5E7EB;
  --module-status-ok:     #2E7D32;
  --module-status-warn:   #E67E22;
  --module-status-off:    #9CA3AF;
  --module-status-error:  #C0392B;

  /* Transitions */
  --platform-transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);

/* ═══════════════════════════════════════════════════════════
   PLATFORM LAYOUT GRID
   
   ┌──────────────────────────────────────────────────────┐
   │  TOPBAR (48px, fixed, full-width)                    │
   ├────────┬────────────────────────────┬────────────────┤
   │ VIEWER │  MAIN WORKSPACE            │  INSPECTOR     │
   │ RAIL   │  (scrollable, padding)      │  (collapsible) │
   │ 220px  │                            │  340px         │
   ├────────┴────────────────────────────┴────────────────┤
   │  JOB DRAWER (collapsible, fixed bottom)              │
   └──────────────────────────────────────────────────────┘
   ═══════════════════════════════════════════════════════ */

/* Body reset for platform layout */
body {
  padding-top: var(--platform-topbar-h);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Platform app container */
.platform-app {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--platform-topbar-h));
  position: relative;
}

/* Main horizontal split: Rail + Workspace + Inspector */
.platform-app-layout-row {
  display: flex;
  flex: 1;
  height: 100%;
  overflow: hidden;
  transition: margin-right var(--platform-transition);
  position: relative;
  z-index: 0;
}

/* When inspector is open */
.platform-app.inspector-open .platform-app-layout-row {
  margin-right: var(--platform-inspector-w);
}

/* When job drawer is open */
.platform-app.job-drawer-open .platform-app-layout-row {
  margin-bottom: var(--platform-job-drawer-h-expanded);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM TOPBAR
   Fixed full-width bar at top with:
   - Platform branding + version
   - Species quick selector
   - Global search
   - Candidate Pool count
   - Backend status indicators
   - Local tools status
   - Settings shortcut
   ═══════════════════════════════════════════════════════════ */

.platform-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--platform-topbar-h);
  background: var(--bg-topbar);
  border-bottom: 1px solid #2E7D32;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 1000;
  box-shadow: 0 2px 6px rgba(0,0,0,0.10);
}

.platform-topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-right: 4px;
}

.platform-topbar-logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-heading);
}

.platform-topbar-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  white-space: nowrap;
}

.platform-topbar-ver {
  font-size: 10px;
  color: rgba(255,255,255,0.55);
  font-weight: 400;
  margin-left: 2px;
}

/* Topbar search */
.platform-topbar-search {
  flex: 1;
  max-width: 360px;
  min-width: 180px;
  position: relative;
}

.platform-topbar-search input {
  width: 100%;
  height: 30px;
  padding: 0 12px 0 32px;
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: 6px;
  font-size: 12.5px;
  font-family: var(--font-body);
  background: rgba(255,255,255,0.12);
  color: #FFFFFF;
  outline: none;
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
}

.platform-topbar-search input::placeholder { color: rgba(255,255,255,0.50); }

.platform-topbar-search input:focus {
  border-color: rgba(255,255,255,0.45);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.20);
}

.platform-topbar-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.55);
  pointer-events: none;
}

/* Topbar right section */
.platform-topbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Topbar chip/status */
.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.85);
  transition: all var(--platform-transition);
  white-space: nowrap;
}

.platform-chip:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.35);
}

.platform-chip .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.platform-chip .chip-dot.ok { background: var(--module-status-ok); }
.platform-chip .chip-dot.warn { background: var(--module-status-warn); }
.platform-chip .chip-dot.off { background: var(--module-status-off); }
.platform-chip .chip-dot.error { background: var(--module-status-error); }

.platform-chip.pool-count {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.40);
  color: #FFFFFF;
  font-weight: 600;
}

.platform-chip.pool-count .chip-count {
  font-family: var(--font-mono);
  font-size: 12px;
}

.platform-topbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.platform-topbar-btn {
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  cursor: pointer;
  transition: all var(--platform-transition);
}

.platform-topbar-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #FFFFFF;
}

/* ═══════════════════════════════════════════════════════════
   VIEWER RAIL (Left Navigation)
   
   Replaces the old sidebar with a group-organized rail.
   5 groups: Discovery / Evaluation / Engineering / Output / System
   ═══════════════════════════════════════════════════════════ */

.platform-rail {
  width: var(--platform-rail-w-expanded);
  min-width: var(--platform-rail-w-expanded);
  height: 100%;
  background: var(--bg-rail);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width var(--platform-transition), min-width var(--platform-transition);
  z-index: 20;
}

/* Keep the navigation rail visually above the workspace without creating a
   pointer-event layer over content at its collapsed edge. */
.platform-workspace {
  position: relative;
  z-index: 30;
}

.platform-rail.collapsed {
  width: var(--platform-rail-w);
  min-width: var(--platform-rail-w);
}

/* Rail section groups */
.platform-rail-section {
  padding: 0;
}

.platform-rail-section-label {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 12px 16px 4px;
  white-space: nowrap;
  overflow: hidden;
}

.platform-rail.collapsed .platform-rail-section-label {
  padding: 12px 8px 4px;
  text-align: center;
  font-size: 8px;
}

/* Rail divider between groups */
.platform-rail-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 12px;
}

/* Rail nav item */
.platform-rail-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  margin: 1px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--platform-transition);
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  text-decoration: none;
  border: none;
  background: none;
  width: calc(100% - 16px);
  text-align: left;
  font-family: var(--font-body);
}

.platform-rail.collapsed .platform-rail-item {
  padding: 8px;
  justify-content: center;
  gap: 0;
  width: calc(100% - 16px);
}

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

.platform-rail-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}

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

.platform-rail-item-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
}

.platform-rail-item-icon svg {
  width: 16px;
  height: 16px;
}

.platform-rail-item-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.platform-rail.collapsed .platform-rail-item-label {
  display: none;
}

/* Rail item badge */
.platform-rail-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--primary-dim);
  color: var(--primary);
  min-width: 20px;
  text-align: center;
}

.platform-rail.collapsed .platform-rail-badge {
  display: none;
}

/* Rail collapse toggle */
.platform-rail-toggle {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 10px;
  z-index: 10;
  box-shadow: var(--shadow-sm);
  transition: all var(--platform-transition);
}

.platform-rail-toggle:hover {
  background: var(--primary-glow);
  border-color: var(--primary-dim);
  color: var(--primary);
}

/* Rail footer */
.platform-rail-footer {
  margin-top: auto;
  padding: 8px;
  border-top: 1px solid var(--border);
}

.platform-rail-footer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-muted);
  transition: all var(--platform-transition);
  white-space: nowrap;
  overflow: hidden;
}

.platform-rail-footer-item:hover {
  background: var(--bg-rail-hover);
  color: var(--text-primary);
}

.platform-rail.collapsed .platform-rail-footer-item {
  padding: 8px;
  justify-content: center;
}

.platform-rail.collapsed .platform-rail-footer-item span {
  display: none;
}

/* ═══════════════════════════════════════════════════════════
   MAIN WORKSPACE
   Center content area — all page sections render here
   ═══════════════════════════════════════════════════════════ */

.platform-workspace {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px 24px;
  background: var(--bg-deep);
  min-width: 0;
}

/* Hide old v4-main since we use platform-workspace */
.v4-main {
  padding: 0;
}

/* Override v4-page for platform workspace */
.platform-workspace .v4-page {
  padding: 0;
}

.platform-workspace .v4-page.active {
  display: block;
}

/* ═══════════════════════════════════════════════════════════
   INSPECTOR PANEL (Right)
   
   Context-sensitive detail panel for:
   - Candidate detail (gene info, scores, sequences)
   - Gene info (PSPG, family, length, description)
   - Docking results (pose details, scores, interactions)
   - Boltz-2 affinity results
   - Perturbation results (affected genes, pathways)
   - Structure viewer (3D viewer mini)
   - Mutation design details
   - Job progress/details
   ═══════════════════════════════════════════════════════════ */

.platform-inspector {
  position: fixed;
  right: 0;
  top: var(--platform-topbar-h);
  bottom: 0;
  width: var(--platform-inspector-w);
  background: var(--bg-inspector);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transform: translateX(100%);
  transition: transform var(--platform-transition);
  box-shadow: -4px 0 16px rgba(0,0,0,0.04);
}

.platform-inspector.open {
  transform: translateX(0);
}

.platform-inspector-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  flex-shrink: 0;
}

.platform-inspector-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.platform-inspector-type {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--primary-glow);
  color: var(--primary);
}

.platform-inspector-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 16px;
  transition: all var(--platform-transition);
  flex-shrink: 0;
}

.platform-inspector-close:hover {
  background: var(--bg-rail-hover);
  color: var(--text-primary);
}

.platform-inspector-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* Inspector sections */
.inspector-section {
  margin-bottom: 16px;
}

.inspector-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-light);
}

.inspector-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
}

.inspector-field-label {
  color: var(--text-muted);
  font-size: 12px;
}

.inspector-field-value {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 12.5px;
  max-width: 55%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}

.inspector-field-value.mono {
  font-family: var(--font-mono);
  font-size: 11px;
}

.inspector-field-value.score {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
}

.inspector-field-value.warning {
  color: var(--warning);
}

.inspector-field-value.danger {
  color: var(--danger);
}

.inspector-field-value.success {
  color: var(--success);
}

/* Inspector empty state */
.inspector-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
  padding: 32px;
}

.inspector-empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.inspector-empty-text {
  font-size: 13px;
  line-height: 1.6;
}

.inspector-empty-hint {
  font-size: 11px;
  margin-top: 8px;
  opacity: 0.6;
}

/* Inspector code block */
.inspector-code {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-primary);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
}

/* ═══════════════════════════════════════════════════════════
   Sprint #411: Inspector Unified Action Bar
   ═══════════════════════════════════════════════════════════ */

.inspector-action-bar {
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 8px;
}

.inspector-action-bar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.inspector-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.inspector-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px 8px;
  font-size: 10.5px;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-raised);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  font-family: inherit;
}

.inspector-action-btn:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.inspector-action-btn .action-icon {
  font-size: 12px;
}

/* Action-specific accents */
.inspector-action-btn.docking { border-color: #2E7D3240; }
.inspector-action-btn.docking:hover { background: #2E7D3215; border-color: #2E7D32; color: #2E7D32; }

.inspector-action-btn.boltz2 { border-color: #E67E2240; }
.inspector-action-btn.boltz2:hover { background: #E67E2215; border-color: #E67E22; color: #E67E22; }

.inspector-action-btn.perturbation { border-color: #C0392B40; }
.inspector-action-btn.perturbation:hover { background: #C0392B15; border-color: #C0392B; color: #C0392B; }

.inspector-action-btn.foldx { border-color: #4CAF5040; }
.inspector-action-btn.foldx:hover { background: #4CAF5015; border-color: #4CAF50; color: #4CAF50; }

.inspector-action-btn.structure { border-color: #2E7D3240; }
.inspector-action-btn.structure:hover { background: #2E7D3215; border-color: #2E7D32; color: #2E7D32; }

.inspector-action-btn.agent { border-color: #4CAF5040; }
.inspector-action-btn.agent:hover { background: #4CAF5015; border-color: #4CAF50; color: #4CAF50; }

.inspector-action-btn.report { border-color: #9CA3AF40; }
.inspector-action-btn.report:hover { background: #9CA3AF15; border-color: #9CA3AF; color: #9CA3AF; }

/* ═══════════════════════════════════════════════════════════
   Sprint #411: Candidate Pool QC Badges
   ═══════════════════════════════════════════════════════════ */

.qc-badge {
  display: inline-block;
  padding: 1px 4px;
  font-size: 8px;
  font-weight: 700;
  border-radius: 3px;
  line-height: 1;
  vertical-align: middle;
  margin-left: 2px;
  font-family: inherit;
}

.qc-badge.qc-warn {
  background: #E67E2215;
  color: #E67E22;
  border: 1px solid #E67E2240;
}

.qc-badge.qc-danger {
  background: #C0392B15;
  color: #C0392B;
  border: 1px solid #C0392B40;
}

.qc-badge.qc-muted {
  background: #9CA3AF15;
  color: #9CA3AF;
  border: 1px solid #9CA3AF40;
}

/* ═══════════════════════════════════════════════════════════
   JOB DRAWER (Bottom)
   
   Collapsible bottom panel showing running/failed/completed jobs.
   Shows progress bars, quick actions, and expand to full view.
   ═══════════════════════════════════════════════════════════ */

.platform-job-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--platform-job-drawer-h-expanded);
  background: var(--bg-job-drawer);
  border-top: 1px solid #E5E7EB;
  display: flex;
  flex-direction: column;
  z-index: 300;
  transform: translateY(calc(100% - 36px));
  transition: transform var(--platform-transition);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
}

.platform-job-drawer.open {
  transform: translateY(0);
}

/* Job drawer handle bar */
.platform-job-drawer-handle {
  height: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
  cursor: pointer;
  border-bottom: 1px solid #E5E7EB;
  user-select: none;
}

.platform-job-drawer-handle:hover {
  background: rgba(255,255,255,0.05);
}

.job-drawer-handle-icon {
  color: var(--text-inverse);
  opacity: 0.7;
  font-size: 14px;
}

.job-drawer-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-inverse);
  opacity: 0.9;
}

.job-drawer-count {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  min-width: 22px;
  text-align: center;
}

.job-drawer-count.running {
  background: var(--warning);
}

.job-drawer-count.failed {
  background: var(--danger);
}

.job-drawer-mini-progress {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.job-drawer-mini-bar {
  width: 120px;
  height: 4px;
  background: #E5E7EB;
  border-radius: 2px;
  overflow: hidden;
}

.job-drawer-mini-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.5s ease;
}

.job-drawer-mini-text {
  font-size: 11px;
  color: var(--text-inverse);
  opacity: 0.6;
  font-family: var(--font-mono);
}

.job-drawer-toggle {
  color: var(--text-inverse);
  opacity: 0.5;
  font-size: 12px;
  transition: transform var(--platform-transition);
}

.platform-job-drawer.open .job-drawer-toggle {
  transform: rotate(180deg);
}

/* Job drawer content */
.platform-job-drawer-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 16px;
}

.job-drawer-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: rgba(255,255,255,0.3);
  font-size: 13px;
}

/* Job item in drawer */
.job-drawer-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 4px;
  background: rgba(255,255,255,0.04);
  transition: background var(--platform-transition);
  cursor: pointer;
}

.job-drawer-item:hover {
  background: rgba(255,255,255,0.08);
}

.job-drawer-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.job-drawer-item-icon.queued { background: #E5E7EB; }
.job-drawer-item-icon.running { background: rgba(230,126,34,0.25); }
.job-drawer-item-icon.completed { background: rgba(46,125,50,0.3); }
.job-drawer-item-icon.failed { background: rgba(192,57,43,0.25); }

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

.job-drawer-item-name {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-inverse);
  opacity: 0.9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.job-drawer-item-meta {
  font-size: 10.5px;
  color: var(--text-inverse);
  opacity: 0.5;
  font-family: var(--font-mono);
}

.job-drawer-item-progress {
  width: 80px;
  flex-shrink: 0;
}

.job-drawer-item-progress-bar {
  width: 100%;
  height: 3px;
  background: #E5E7EB;
  border-radius: 2px;
  overflow: hidden;
}

.job-drawer-item-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s ease;
}

.job-drawer-item-progress-fill.queued { background: #9CA3AF; }
.job-drawer-item-progress-fill.running { background: var(--warning); }
.job-drawer-item-progress-fill.completed { background: var(--success); }
.job-drawer-item-progress-fill.failed { background: var(--danger); }

.job-drawer-item-status {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.job-drawer-item-status.queued { color: #9CA3AF; background: #E5E7EB; }
.job-drawer-item-status.running { color: var(--warning); background: rgba(230,126,34,0.12); }
.job-drawer-item-status.completed { color: var(--success); background: rgba(46,125,50,0.18); }
.job-drawer-item-status.failed { color: var(--danger); background: rgba(192,57,43,0.12); }
.job-drawer-item-status.needs_review { color: var(--accent); background: rgba(76,175,80,0.12); }

/* Job drawer quick actions */
.job-drawer-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.job-drawer-action-btn {
  padding: 3px 8px;
  border: none;
  background: rgba(255,255,255,0.08);
  color: var(--text-inverse);
  opacity: 0.7;
  border-radius: 4px;
  font-size: 10.5px;
  cursor: pointer;
  transition: all var(--platform-transition);
}

.job-drawer-action-btn:hover {
  background: rgba(255,255,255,0.15);
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   HOME PAGE — Four-Module Framework
   
   Gene Mining | Candidate Evaluation | UGT Engineering | Figures & Reports
   Each module shows status + quick links
   ═══════════════════════════════════════════════════════════ */

/* Platform welcome header */
.platform-welcome {
  margin-bottom: 24px;
}

.platform-welcome h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.platform-welcome p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
}

/* Four-module grid */
.platform-module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 1200px) {
  .platform-module-grid {
    grid-template-columns: 1fr;
  }
}

/* Module card */
.platform-module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all var(--platform-transition);
  position: relative;
  overflow: hidden;
}

.platform-module-card:hover {
  border-color: var(--primary-dim);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.platform-module-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.platform-module-card.discovery::after { background: var(--primary); }
.platform-module-card.evaluation::after { background: var(--secondary); }
.platform-module-card.engineering::after { background: var(--accent); }
.platform-module-card.output::after { background: var(--warning); }

.platform-module-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-top: 4px;
}

.platform-module-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.platform-module-icon.discovery { background: var(--primary-glow); }
.platform-module-icon.evaluation { background: var(--secondary-glow); }
.platform-module-icon.engineering { background: rgba(76,175,80,0.08); }
.platform-module-icon.output { background: var(--warning-glow); }

.platform-module-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

.platform-module-status.ready {
  background: var(--secondary-glow);
  color: var(--secondary);
}

.platform-module-status.partial {
  background: var(--warning-glow);
  color: var(--warning);
}

.platform-module-status.offline {
  background: var(--bg-raised);
  color: var(--text-muted);
}

.platform-module-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.platform-module-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.platform-module-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.platform-module-step {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--bg-raised);
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--platform-transition);
  border: 1px solid transparent;
}

.platform-module-step:hover {
  background: var(--primary-glow);
  border-color: var(--primary-dim);
  color: var(--primary);
}

.platform-module-step.active {
  background: var(--primary-glow);
  border-color: var(--primary-dim);
  color: var(--primary);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════
   SUMMARY METRIC CARDS (Home page top)
   ═══════════════════════════════════════════════════════════ */

.platform-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (max-width: 900px) {
  .platform-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.platform-summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all var(--platform-transition);
}

.platform-summary-card:hover {
  border-color: var(--primary-dim);
  box-shadow: var(--shadow-sm);
}

.platform-summary-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.platform-summary-value.accent { color: var(--primary); }
.platform-summary-value.success { color: var(--secondary); }
.platform-summary-value.warning { color: var(--warning); }

.platform-summary-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.platform-summary-change {
  font-size: 10.5px;
  font-weight: 600;
  margin-top: 2px;
}

.platform-summary-change.up { color: var(--secondary); }
.platform-summary-change.down { color: var(--danger); }
.platform-summary-change.neutral { color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════
   ENHANCED MODULE CARDS (Home page 4-module framework)
   ═══════════════════════════════════════════════════════════ */

.platform-module-card {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.platform-module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--primary-dim);
  opacity: 0;
  transition: opacity var(--platform-transition);
}

.platform-module-card:hover::before {
  opacity: 1;
}

.platform-module-card .platform-module-icon {
  width: 22px; height: 22px;
  margin-bottom: 4px;
}

.platform-module-card .platform-module-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.platform-module-card .platform-module-desc {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 1px;
}

.platform-module-metrics {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.platform-module-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.platform-module-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.platform-module-status .dot.ok   { background: var(--module-status-ok); }
.platform-module-status .dot.warn { background: var(--module-status-warn); }
.platform-module-status .dot.off  { background: var(--module-status-off); }
.platform-module-status .dot.error { background: var(--module-status-error); }

/* ═══════════════════════════════════════════════════════════
   EVALUATION HUB — Candidate Pool Scoring Dashboard
   ═══════════════════════════════════════════════════════════ */

.platform-eval-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.platform-eval-summary-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
  position: relative;
  overflow: hidden;
}

.platform-eval-summary-card:hover {
  border-color: var(--primary-dim);
  box-shadow: var(--shadow-sm);
}

.platform-eval-summary-card::after {
  content: '';
  position: absolute;
  right: 12px; top: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  opacity: 0.7;
}

.platform-eval-summary-card.tier-1::after { background: var(--module-status-ok); }
.platform-eval-summary-card.tier-2::after { background: var(--module-status-warn); }
.platform-eval-summary-card.tier-3::after { background: var(--module-status-off); }
.platform-eval-summary-card.total::after { background: var(--primary); }

.platform-eval-summary-card .eval-summary-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.platform-eval-summary-card .eval-summary-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.platform-eval-summary-card .eval-summary-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Eval Filter Bar */
.platform-eval-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.platform-eval-filter .filter-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.platform-eval-filter .filter-spacer {
  flex: 1;
}

/* Eval Enhanced Table */
.platform-eval-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.platform-eval-table thead th {
  background: var(--bg-base);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 9px 10px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
  cursor: pointer;
  user-select: none;
  transition: color var(--platform-transition);
}

.platform-eval-table thead th:hover {
  color: var(--primary);
}

.platform-eval-table thead th .sort-indicator {
  margin-left: 3px;
  font-size: 10px;
  opacity: 0.4;
}

.platform-eval-table thead th .sort-indicator.active {
  opacity: 1;
  color: var(--primary);
}

.platform-eval-table tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.platform-eval-table tbody tr {
  transition: background var(--platform-transition);
  cursor: pointer;
}

.platform-eval-table tbody tr:hover {
  background: var(--bg-base);
}

.platform-eval-table tbody tr.selected {
  background: var(--primary-dim) !important;
  outline: 1px solid var(--primary);
  outline-offset: -1px;
}

.platform-eval-table .gene-id-cell {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--primary);
}

.platform-eval-table .annotation-cell {
  font-size: 11px;
  color: var(--text-secondary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-style: italic;
}

/* Tier Badge */
.platform-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.platform-tier-badge.t1 {
  background: #2E7D3218;
  color: #2E7D32;
  border: 1px solid #2E7D3230;
}

.platform-tier-badge.t2 {
  background: #E67E2218;
  color: #E67E22;
  border: 1px solid #E67E2230;
}

.platform-tier-badge.t3 {
  background: #9CA3AF18;
  color: #9CA3AF;
  border: 1px solid #9CA3AF30;
}

/* Score Bar */
.platform-score-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 80px;
}

.platform-score-bar .score-bar-track {
  flex: 1;
  height: 5px;
  background: var(--border-light);
  border-radius: 3px;
  overflow: hidden;
}

.platform-score-bar .score-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

.platform-score-bar .score-bar-fill.high   { background: var(--module-status-ok); }
.platform-score-bar .score-bar-fill.medium { background: var(--module-status-warn); }
.platform-score-bar .score-bar-fill.low    { background: var(--module-status-off); }

.platform-score-bar .score-bar-value {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 36px;
  text-align: right;
}

/* Checkbox Cell */
.platform-eval-check {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* DAP Indicator */
.platform-dap-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.platform-dap-dot.has-peak { background: var(--module-status-ok); }
.platform-dap-dot.no-peak  { background: var(--border); }

/* Batch Operations Bar */
.platform-batch-bar {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--primary-dim);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  margin-top: 12px;
}

.platform-batch-bar.active {
  display: flex;
}

.platform-batch-bar .batch-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.platform-batch-bar .batch-actions {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

/* Priority Rules Panel */
.platform-priority-panel {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.platform-priority-panel .priority-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-base);
  cursor: pointer;
  user-select: none;
  transition: background var(--platform-transition);
}

.platform-priority-panel .priority-header:hover {
  background: var(--bg-raised);
}

.platform-priority-panel .priority-header h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  flex: 1;
}

.platform-priority-panel .priority-header .priority-toggle {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.platform-priority-panel.open .priority-header .priority-toggle {
  transform: rotate(180deg);
}

.platform-priority-panel .priority-body {
  display: none;
  padding: 16px;
  border-top: 1px solid var(--border);
}

.platform-priority-panel.open .priority-body {
  display: block;
}

.platform-priority-panel .priority-rule {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.platform-priority-panel .priority-rule:last-child {
  margin-bottom: 0;
}

.platform-priority-panel .priority-rule .rule-bullet {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.priority-rule .rule-bullet.t1 { background: #2E7D3218; color: #2E7D32; }
.priority-rule .rule-bullet.t2 { background: #E67E2218; color: #E67E22; }
.priority-rule .rule-bullet.t3 { background: #9CA3AF18; color: #9CA3AF; }

/* Empty State Enhancement */
.platform-eval-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.platform-eval-empty .empty-icon {
  font-size: 36px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.platform-eval-empty .empty-text {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}

.platform-eval-empty .empty-hint {
  font-size: 12px;
  opacity: 0.7;
}

/* Table scroll wrapper */
.platform-eval-table-wrap {
  max-height: 520px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM BUTTONS & CONTROLS
   Extended button variants for the platform theme
   ═══════════════════════════════════════════════════════════ */

.platform-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--platform-transition);
  font-family: var(--font-body);
  line-height: 1.4;
}

.platform-btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.platform-btn.primary:hover {
  background: #2E7D32;
}

.platform-btn.secondary {
  background: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
}

.platform-btn.secondary:hover {
  background: #2E7D32;
}

.platform-btn.outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary-dim);
}

.platform-btn.outline:hover {
  background: var(--primary-glow);
}

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

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

.platform-btn.small {
  padding: 4px 10px;
  font-size: 11.5px;
}

.platform-btn.danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.platform-btn.danger:hover {
  background: #C0392B;
}

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

/* ═══════════════════════════════════════════════════════════
   STATUS INDICATORS & BADGES
   ═══════════════════════════════════════════════════════════ */

.platform-status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.platform-status-dot.online { background: var(--module-status-ok); box-shadow: 0 0 4px rgba(46,125,50,0.4); }
.platform-status-dot.busy { background: var(--module-status-warn); box-shadow: 0 0 4px rgba(217,119,6,0.4); }
.platform-status-dot.offline { background: var(--module-status-off); }
.platform-status-dot.error { background: var(--module-status-error); box-shadow: 0 0 4px rgba(220,38,38,0.4); }

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.platform-badge.ok { background: var(--secondary-glow); color: var(--secondary); }
.platform-badge.warn { background: var(--warning-glow); color: var(--warning); }
.platform-badge.error { background: var(--danger-glow); color: var(--danger); }
.platform-badge.info { background: var(--primary-glow); color: var(--primary); }
.platform-badge.neutral { background: var(--bg-raised); color: var(--text-muted); }

.platform-badge.score {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.platform-badge.score.high { background: var(--secondary-glow); color: var(--secondary); }
.platform-badge.score.mid { background: var(--warning-glow); color: var(--warning); }
.platform-badge.score.low { background: var(--bg-raised); color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════
   PLATFORM TABLES (extended)
   ═══════════════════════════════════════════════════════════ */

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

.platform-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-raised);
  padding: 8px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.platform-table tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}

.platform-table tbody tr:hover {
  background: var(--bg-rail-hover);
}

.platform-table tbody tr.clickable {
  cursor: pointer;
}

.platform-table .col-score {
  font-family: var(--font-mono);
  font-weight: 600;
  text-align: right;
}

.platform-table .col-gene {
  font-family: var(--font-mono);
  font-size: 12px;
}

.platform-table .col-action {
  text-align: right;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM FLOW / PIPELINE VISUALIZATION
   ═══════════════════════════════════════════════════════════ */

.platform-flow {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 16px 0;
  overflow-x: auto;
}

.platform-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 70px;
  cursor: pointer;
  padding: 8px 4px;
  border-radius: var(--radius);
  transition: all var(--platform-transition);
  flex-shrink: 0;
}

.platform-flow-step:hover {
  background: var(--primary-glow);
}

.platform-flow-step-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 6px;
  transition: all var(--platform-transition);
}

.platform-flow-step.active .platform-flow-step-icon {
  background: var(--primary-glow);
  border-color: var(--primary);
}

.platform-flow-step.done .platform-flow-step-icon {
  background: var(--secondary-glow);
  border-color: var(--secondary);
}

.platform-flow-step-label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.platform-flow-step-status {
  font-size: 9px;
  color: var(--text-muted);
  margin-top: 2px;
}

.platform-flow-arrow {
  font-size: 18px;
  color: var(--text-muted);
  padding: 0 4px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM SECTION HEADER (with icon + title + badge)
   ═══════════════════════════════════════════════════════════ */

.platform-section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.platform-section-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.platform-section-info {
  flex: 1;
}

.platform-section-info h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.platform-section-info p {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════
   LOADING STATES & SKELETONS
   ═══════════════════════════════════════════════════════════ */

.platform-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 13px;
  gap: 10px;
}

.platform-loading-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  animation: platform-spin 0.8s linear infinite;
}

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

.platform-skeleton {
  background: linear-gradient(90deg, var(--bg-raised) 25%, var(--bg-card) 50%, var(--bg-raised) 75%);
  background-size: 200% 100%;
  animation: platform-shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
}

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

/* ═══════════════════════════════════════════════════════════
   PLATFORM BUTTON EXTENSIONS — light variant
   ═══════════════════════════════════════════════════════════ */

.platform-btn.light {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.platform-btn.light:hover {
  background: var(--bg-raised);
  color: var(--text-primary);
  border-color: #E5E7EB;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM POOL PANEL — side panel candidate list
   ═══════════════════════════════════════════════════════════ */

.platform-pool-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--platform-transition);
}

.platform-pool-item:hover {
  background: var(--bg-raised);
  border-color: var(--border-focus);
}

.platform-pool-item-info {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 2px;
}

.platform-pool-item-info b {
  font-size: 13px; font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.platform-pool-item-info span {
  font-size: 11.5px; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.platform-pool-remove {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 13px; cursor: pointer;
  transition: all var(--platform-transition);
}

.platform-pool-remove:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM SUMMARY & FILE ITEMS — virtual perturbation results
   ═══════════════════════════════════════════════════════════ */

.platform-summary-item {
  padding: 14px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.platform-summary-item .value {
  font-size: 18px; font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.platform-summary-item .label {
  font-size: 10.5px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.04em;
  margin-top: 4px;
}

.platform-file-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--platform-transition);
}

.platform-file-item:hover {
  border-color: var(--primary);
  background: var(--primary-glow);
}

.platform-file-item .icon { font-size: 16px; flex-shrink: 0; }
.platform-file-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.platform-file-item .size { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
.platform-file-item a { font-size: 11.5px; color: var(--primary); text-decoration: none; font-weight: 500; flex-shrink: 0; }
.platform-file-item a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════
   PLATFORM AI TEXT — paper sentence / AI disclaimer
   ═══════════════════════════════════════════════════════════ */

.platform-ai-text {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 12px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 8px;
}

.platform-ai-disclaimer {
  font-size: 10.5px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
  padding: 0 4px;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM EVALUATION CARD — candidate evaluation report
   ═══════════════════════════════════════════════════════════ */

.platform-eval-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.platform-eval-card:hover { border-color: #E5E7EB; box-shadow: var(--shadow); }

.platform-eval-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.platform-eval-card-title {
  font-family: var(--font-heading);
  font-size: 16px; font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.platform-eval-card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.platform-eval-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.platform-eval-item {
  padding: 12px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM MUTATION CARD — engineering mutation design
   ═══════════════════════════════════════════════════════════ */

.platform-mutation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
  transition: all var(--platform-transition);
}

.platform-mutation-card:hover {
  border-color: var(--primary-dim);
  box-shadow: var(--shadow-sm);
}

.platform-mut-badge {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px; font-weight: 600;
  background: var(--primary-glow);
  color: var(--primary);
}

.platform-mut-title {
  font-family: var(--font-heading);
  font-size: 14px; font-weight: 600;
  color: var(--text-primary);
  margin: 6px 0 4px;
}

.platform-mut-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.platform-mut-scores {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM STAT CARDS — gene mining summary
   ═══════════════════════════════════════════════════════════ */

.platform-stat-card {
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--platform-transition);
}

.platform-stat-card b {
  display: block;
  font-size: 22px; font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.platform-stat-card span {
  font-size: 11px; color: var(--text-muted);
  margin-top: 4px; display: block;
}

.platform-stat-card.green  { background: rgba(76,175,80,0.06);  border-color: rgba(76,175,80,0.2);  }
.platform-stat-card.green  b { color: var(--success); }
.platform-stat-card.yellow { background: rgba(234,179,8,0.06);  border-color: rgba(234,179,8,0.2);  }
.platform-stat-card.yellow b { color: var(--warning); }
.platform-stat-card.blue   { background: rgba(59,130,246,0.06); border-color: rgba(59,130,246,0.2); }
.platform-stat-card.blue   b { color: var(--primary); }
.platform-stat-card.grey   { background: var(--bg-raised);      border-color: var(--border); }
.platform-stat-card.grey   b { color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════
   PLATFORM LITERATURE ITEM — literature search results
   ═══════════════════════════════════════════════════════════ */

.platform-lit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  transition: all var(--platform-transition);
  cursor: pointer;
}

.platform-lit-item:hover {
  border-color: var(--primary-dim);
  background: var(--primary-glow);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM PLAN STEP — agent research plan steps
   ═══════════════════════════════════════════════════════════ */

.platform-plan-step {
  padding: 14px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary-dim);
  margin-bottom: 8px;
  transition: border-color var(--platform-transition);
}

.platform-plan-step:hover { border-left-color: var(--primary); }

/* ═══════════════════════════════════════════════════════════
   PLATFORM STATUS DOT EXTENSIONS — muted variant
   ═══════════════════════════════════════════════════════════ */

.platform-status-dot.muted {
  background: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM TAG
   ═══════════════════════════════════════════════════════════ */

.platform-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-raised);
  color: var(--text-muted);
}

.platform-tag.success { background: var(--module-status-bg-ok); color: var(--module-status-ok); }
.platform-tag.primary { background: var(--primary-glow); color: var(--primary); }
.platform-tag.danger  { background: rgba(220,38,38,0.1); color: #C0392B; }
.platform-tag.warning { background: rgba(217,119,6,0.1); color: #E67E22; }
.platform-tag.info    { background: rgba(30,136,229,0.1); color: #2E7D32; }
.platform-tag.muted   { background: var(--bg-raised); color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════
   PLATFORM CARDS
   ═══════════════════════════════════════════════════════════ */

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
}

.platform-card:hover {
  border-color: #E5E7EB;
  box-shadow: var(--shadow);
}

.platform-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.platform-card h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.platform-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM FORM CONTROLS
   ═══════════════════════════════════════════════════════════ */

.platform-input,
.platform-select {
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
  outline: none;
  width: 100%;
}

.platform-input:focus,
.platform-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46,125,50,0.12);
}

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

.platform-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}

textarea.platform-input {
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════
   SPECIES DETAIL — Header Card
   ═══════════════════════════════════════════════════════════ */

.platform-species-header {
  background: linear-gradient(135deg, #F0F9FF 0%, #F1F5F1 40%, #F8FAF8 100%);
  border: 1px solid #E5E7EB;
  overflow: hidden;
}

.platform-species-header-top {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
}

.platform-species-icon-box {
  width: 64px;
  height: 64px;
  min-width: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-glow), rgba(46,125,50,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(2,132,199,0.12);
  box-shadow: 0 2px 8px rgba(46,125,50,0.08);
}

.platform-species-title {
  flex: 1;
  min-width: 0;
}

.platform-species-title h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0;
}

.platform-species-title p {
  font-style: italic;
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 2px;
}

.platform-species-stats {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.platform-species-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 72px;
  padding: 10px 16px;
  background: #F1F5F1;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  transition: all var(--platform-transition);
}

.platform-species-stat:hover {
  border-color: var(--primary-dim);
  box-shadow: var(--shadow);
}

.platform-species-stat.highlight {
  background: linear-gradient(135deg, rgba(46,125,50,0.05), rgba(46,125,50,0.02));
  border-color: rgba(46,125,50,0.18);
}

.platform-species-stat-num {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.platform-species-stat.highlight .platform-species-stat-num {
  color: var(--secondary);
}

.platform-species-stat-label {
  font-size: 10.5px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.platform-species-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.platform-species-meta-tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  background: var(--bg-raised);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.platform-species-meta-tag.accent {
  background: var(--secondary-glow);
  color: var(--secondary);
  border-color: rgba(46,125,50,0.18);
}

.platform-species-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   SPECIES DETAIL — Gene List Section
   ═══════════════════════════════════════════════════════════ */

.platform-species-genes {
  /* Extends .platform-card — inherits padding/border/radius */
}

.platform-species-genes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.platform-species-genes-header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.platform-species-genes-header h3 span {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
}

.platform-species-genes-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.platform-species-genes-tools .platform-input {
  max-width: 220px;
  font-size: 12.5px;
  padding: 6px 12px;
}

.platform-species-genes-tools .platform-select {
  max-width: 130px;
  font-size: 12.5px;
  padding: 6px 12px;
}

.platform-species-genes-tools span {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  padding-right: 4px;
}

.platform-species-genes-table {
  max-height: 520px;
  overflow-y: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════════════════
   GENE TABLE
   ═══════════════════════════════════════════════════════════ */

.platform-gene-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin-top: 0;
}

.platform-gene-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.platform-gene-table thead th {
  background: var(--bg-base);
  border-bottom: 2px solid #E5E7EB;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
}

.platform-gene-table tbody tr {
  transition: background 150ms ease;
}

.platform-gene-table tbody tr:nth-child(even) {
  background: rgba(248,250,252,0.6);
}

.platform-gene-table tbody tr:hover {
  background: #F0F9FF;
}

.platform-gene-table tbody td {
  padding: 9px 14px;
  border-bottom: 1px solid #F1F5F1;
  color: var(--text-secondary);
  vertical-align: middle;
}

.platform-gene-row {
  /* Row wrapper — styling inherited from .platform-gene-table tbody tr */
}

.platform-gene-id {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
}

.platform-gene-icon {
  display: inline-block;
  width: 20px;
  margin-right: 4px;
  font-size: 13px;
  text-align: center;
  opacity: 0.7;
}

.platform-gene-len {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.platform-gene-family {
  font-size: 11.5px;
  color: var(--text-muted);
}

.platform-gene-pos {
  font-size: 10.5px;
}

.platform-gene-action {
  text-align: right;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════
   PSPG BADGE & INDICATORS
   ═══════════════════════════════════════════════════════════ */

.platform-pspg-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-raised);
  color: var(--text-muted);
}

.platform-pspg-badge.positive {
  background: #DCFCE7;
  color: #166534;
  font-weight: 600;
}

.platform-pspg-pct {
  font-weight: 400;
  opacity: 0.7;
  margin-left: 3px;
  font-size: 10px;
}

/* ═══════════════════════════════════════════════════════════
   IN-POOL BADGE & POOL ADD
   ═══════════════════════════════════════════════════════════ */

.platform-inpool-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  background: var(--secondary-glow);
  color: var(--secondary);
  cursor: default;
  user-select: none;
  border: 1px solid rgba(46,125,50,0.18);
  white-space: nowrap;
}

.platform-pool-add {
  transition: all 180ms ease;
}

.platform-pool-add:hover {
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1400px) {
  :root {
    --platform-inspector-w: 300px;
  }
}

@media (max-width: 1100px) {
  .platform-module-grid {
    grid-template-columns: 1fr;
  }
  .platform-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --platform-rail-w-expanded: 180px;
    --platform-inspector-w: 100%;
  }
  .platform-topbar-search {
    max-width: 200px;
  }
  .platform-summary-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════════════════
   MODULE PAGE LAYOUT
   ═══════════════════════════════════════════════════════════ */

.platform-page-section {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 20px 24px;
  max-width: 1100px;
  animation: platform-fade-in 0.25s ease;
}

.platform-page-section.active {
  display: flex;
}

/* ── Standalone platform-page (non-section pages) ── */
.platform-page {
  display: none;
  flex-direction: column;
  gap: 20px;
  padding: 20px 24px;
  max-width: 1100px;
  animation: platform-fade-in 0.25s ease;
}

.platform-page.active {
  display: flex;
}

/* ── Hero Compact (Home page) ── */
.platform-hero-compact {
  background: linear-gradient(135deg, #F0F7F0, #E8F5E9, #F8FAF8);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.platform-hero-compact h2 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.platform-subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  position: relative;
  z-index: 1;
}

/* ── Metric Grid ── */
.platform-metric-grid {
  display: flex;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.platform-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  padding: 12px 16px;
  background: #F1F5F1;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.platform-metric b {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
}

.platform-metric span {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Standalone Section Wrapper ── */
.platform-section {
  margin-bottom: 20px;
}

.platform-section h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

/* ── Flow Icon ── */
.platform-flow-icon {
  font-size: 20px;
}

/* ── Small Label ── */
.platform-small {
  font-size: 10.5px;
  color: var(--text-muted);
}

/* ── Upload Zone ── */
.platform-upload-zone {
  border: 2px dashed #E5E7EB;
  border-radius: 10px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--platform-transition);
  margin-top: 12px;
  background: var(--bg-raised);
}

.platform-upload-zone:hover {
  border-color: var(--primary);
  background: var(--primary-glow);
}

.platform-upload-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.platform-upload-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.platform-upload-hint {
  font-size: 12px;
  color: var(--text-muted);
}

@keyframes platform-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM CARD
   ═══════════════════════════════════════════════════════════ */

.platform-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
}

.platform-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.platform-card h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 6px 0;
}

.platform-card > p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin: 0 0 12px 0;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM SECTION HEADER (extended)
   ═══════════════════════════════════════════════════════════ */

.platform-section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 4px;
}

.platform-section-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.platform-section-info {
  flex: 1;
}

.platform-section-info h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px 0;
}

.platform-section-info p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.platform-section-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  background: var(--primary-glow);
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.platform-section-badge.active {
  background: var(--secondary-glow);
  color: var(--secondary);
}

.platform-section-badge.coming-soon {
  background: var(--bg-raised);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM FORM CONTROLS
   ═══════════════════════════════════════════════════════════ */

.platform-form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

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

.platform-form-group {
  flex: 1;
  min-width: 180px;
}

.platform-form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.platform-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-raised);
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
  box-sizing: border-box;
}

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

.platform-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.platform-input[type="file"] {
  padding: 6px 10px;
  font-size: 12px;
}

textarea.platform-input {
  resize: vertical;
  min-height: 60px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.platform-select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-raised);
  cursor: pointer;
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

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

/* ═══════════════════════════════════════════════════════════
   PLATFORM STEP FLOW (for Docking pipeline)
   ═══════════════════════════════════════════════════════════ */

.platform-step-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 16px;
}

.platform-step {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border-left: 3px solid var(--border);
  transition: border-color var(--platform-transition), background var(--platform-transition);
}

.platform-step:first-child {
  border-left-color: transparent;
}

.platform-step:hover {
  background: var(--bg-base);
}

.platform-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all var(--platform-transition);
}

.platform-step.active .platform-step-num,
.platform-step[style*="--primary"] .platform-step-num {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.platform-step-body {
  flex: 1;
  min-width: 0;
}

.platform-step-body h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.platform-step-body .platform-select,
.platform-step-body .platform-input {
  margin-bottom: 4px;
}

.platform-step-body .platform-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM TOOLBAR
   ═══════════════════════════════════════════════════════════ */

.platform-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.platform-toolbar .platform-select {
  max-width: 180px;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM CHECKBOX LABEL
   ═══════════════════════════════════════════════════════════ */

.platform-checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--platform-transition);
  user-select: none;
}

.platform-checkbox-label:hover {
  border-color: var(--primary);
  background: var(--primary-glow);
}

.platform-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary);
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM SUMMARY GRID (stats cards)
   ═══════════════════════════════════════════════════════════ */

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

/* ═══════════════════════════════════════════════════════════
   PLATFORM PROGRESS BAR
   ═══════════════════════════════════════════════════════════ */

.platform-progress-section {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.platform-progress-text {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 8px 0;
}

.platform-progress-track {
  background: var(--border-light);
  border-radius: 4px;
  height: 8px;
  margin: 8px 0;
  overflow: hidden;
}

.platform-progress-fill {
  background: var(--primary);
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

.platform-progress-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM FLOW VISUAL (for Engineering page)
   ═══════════════════════════════════════════════════════════ */

.platform-flow-visual-card {
  background: var(--bg-base);
  padding: 28px 22px;
}

.platform-flow-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.platform-flow-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  border-radius: 10px;
  min-width: 80px;
  text-align: center;
  transition: transform var(--platform-transition), box-shadow var(--platform-transition);
}

.platform-flow-block:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.platform-flow-block.pocket  { background: var(--primary-glow); }
.platform-flow-block.scan   { background: var(--warning-glow); }
.platform-flow-block.mutant { background: var(--secondary-glow); }
.platform-flow-block.ai     { background: var(--danger-glow); }

.platform-flow-block-icon {
  font-size: 24px;
  line-height: 1;
}

.platform-flow-block-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.platform-flow-connector {
  font-size: 20px;
  color: var(--text-muted);
  opacity: 0.5;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM ROADMAP (for Engineering page)
   ═══════════════════════════════════════════════════════════ */

.platform-roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 8px;
}

.platform-road {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}

.platform-road h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 8px 0;
}

.platform-road ul {
  margin: 0;
  padding: 0 0 0 16px;
}

.platform-road ul li {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2px;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM GALLERY (for Figures page)
   ═══════════════════════════════════════════════════════════ */

.platform-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.platform-fig-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--platform-transition);
}

.platform-fig-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.platform-fig-card span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.platform-fig-preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  background: var(--bg-base);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.platform-fig-preview::after {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  opacity: 0.3;
}

.platform-fig-preview.tree::after      { content: '🌳'; }
.platform-fig-preview.heatmap::after   { content: '🔥'; }
.platform-fig-preview.structure::after { content: '🔬'; }
.platform-fig-preview.logo::after      { content: '🧬'; }

/* ═══════════════════════════════════════════════════════════
   PLATFORM EMPTY STATE
   ═══════════════════════════════════════════════════════════ */

.platform-empty {
  text-align: center;
  padding: 36px 24px;
  color: var(--text-muted);
}

.platform-empty .platform-empty-text {
  font-size: 14px;
  font-weight: 500;
}

.platform-empty .platform-empty-hint {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM SETTINGS
   ═══════════════════════════════════════════════════════════ */

.platform-settings-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.platform-settings-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.platform-settings-section h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Settings — Status Cards */
.platform-status-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  min-width: 160px;
  transition: border-color var(--platform-transition);
}

.platform-status-card:hover {
  border-color: var(--border-focus);
}

/* Platform Status Panel — module readiness grid */
.platform-status-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  font-size: 12px;
  transition: border-color var(--platform-transition);
}

.platform-status-item:hover {
  border-color: var(--border-focus);
}

.platform-status-item span {
  font-weight: 500;
  color: var(--text-primary);
}

.platform-status-item small {
  color: var(--text-muted);
  margin-left: auto;
  font-size: 11px;
}

.platform-status-card span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.platform-status-card small {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
}

.platform-status-dot.muted {
  background: var(--text-muted);
}

/* Settings — Code block */
.platform-code {
  background: var(--bg-deep);
  padding: 12px 16px;
  border-radius: 6px;
  font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
  border: 1px solid var(--border);
}

/* Settings — light button variant */
.platform-btn.light {
  background: var(--bg-raised);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.platform-btn.light:hover {
  background: var(--bg-rail-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORM INSPECTOR — COLLAPSE BUTTON
   ═══════════════════════════════════════════════════════════ */

.platform-inspector-collapse,
.inspector-collapse-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 700;
  transition: all var(--platform-transition);
  flex-shrink: 0;
}

.platform-inspector-collapse:hover,
.inspector-collapse-btn:hover {
  background: var(--bg-rail-hover);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════
   COMPATIBILITY LAYER — v4-* → platform-* Bridge
   
   Allows JS that still outputs v4-* class names to render
   with the new UGT Lab for Discovery styling.
   
   Strategy: Group v4-* selectors alongside existing platform-*
   equivalents. Once all JS files are migrated (P0→P3), these
   compatibility rules can be safely removed.
   ═══════════════════════════════════════════════════════════ */

/* ── Core Components ── */

/* Card: .v4-card → .platform-card */
.v4-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
}
.v4-card:hover { border-color: #E5E7EB; box-shadow: var(--shadow); }
.v4-card h3 { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.v4-card h4 { font-family: var(--font-heading); font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.v4-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* Page: .v4-page → .platform-page */
.v4-page {
  padding: 32px 36px 64px;
}
.v4-page.active { display: block; }

/* Hero: .v4-hero-compact → .platform-hero-compact */
.v4-hero-compact {
  background: linear-gradient(135deg, #F0F7F0, #E8F5E9, #F8FAF8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.v4-hero-compact h2 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.v4-subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  position: relative;
  z-index: 1;
}

/* Metric: .v4-metric → .platform-metric */
.v4-metric-grid {
  display: flex;
  gap: 24px;
  position: relative;
  z-index: 1;
}
.v4-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  padding: 12px 16px;
  background: #F1F5F1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.v4-metric b {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
}
.v4-metric span {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Flow: .v4-flow → .platform-flow */
.v4-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding: 20px;
  background: var(--bg-base);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.v4-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--platform-transition);
  min-width: 90px;
  box-shadow: var(--shadow-sm);
}
.v4-flow-step:hover { border-color: var(--primary); background: var(--primary-glow); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.v4-flow-icon { font-size: 20px; }
.v4-flow-step b { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.v4-small { font-size: 10.5px; color: var(--text-muted); }
.v4-flow-arrow { color: var(--text-muted); font-size: 18px; font-weight: 300; }

/* Step Flow: .v4-step-flow → .platform-step-flow */
.v4-step-flow {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}
.v4-step {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-base);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary-dim);
  transition: border-color var(--platform-transition);
}
.v4-step:hover { border-left-color: var(--primary); }
.v4-step-num {
  width: 28px; height: 28px; min-width: 28px;
  border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.v4-step-body { flex: 1; }
.v4-step-body h4 {
  font-family: var(--font-heading);
  font-size: 13px; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

/* Table: .v4-table → .platform-table */
.v4-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 12px;
}
.v4-table thead th {
  padding: 8px 12px; text-align: left;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  background: var(--bg-raised);
}
.v4-table tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}
.v4-table tbody tr:hover { background: var(--bg-rail-hover); }
.v4-table tbody tr:last-child td { border-bottom: none; }

/* Button: .v4-btn → .platform-btn */
.v4-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  transition: all var(--platform-transition);
  font-family: var(--font-body);
  line-height: 1.4;
}
.v4-btn.primary {
  background: var(--primary); color: #fff;
  border-color: var(--primary);
  box-shadow: 0 1px 3px rgba(46,125,50,0.18);
}
.v4-btn.primary:hover { background: #2E7D32; box-shadow: 0 2px 8px rgba(46,125,50,0.2); transform: translateY(-1px); }
.v4-btn.light {
  background: var(--bg-raised); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.v4-btn.light:hover { background: var(--bg-rail-hover); color: var(--text-primary); border-color: var(--border-focus); }
.v4-btn-outline, .v4-btn.outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 6px;
  font-size: 13px; font-weight: 500;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary-dim);
  cursor: pointer;
  transition: all var(--platform-transition);
}
.v4-btn-outline:hover, .v4-btn.outline:hover { background: var(--primary-glow); }
.v4-btn.small { padding: 4px 10px; font-size: 11.5px; border-radius: 6px; }
.v4-btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* Input & Select: .v4-input/.v4-select → .platform-input/.platform-select */
.v4-input, .v4-select {
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--platform-transition), box-shadow var(--platform-transition);
  outline: none;
  width: 100%;
}
.v4-input:focus, .v4-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(46,125,50,0.12); }
.v4-input::placeholder { color: var(--text-muted); }
.v4-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}
textarea.v4-input {
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

/* Toolbar */
.v4-toolbar {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.v4-toolbar .v4-input { width: auto; flex: 1; min-width: 180px; }
.v4-toolbar .v4-select { width: auto; min-width: 140px; }

/* Upload Zone */
.v4-upload-zone {
  border: 2px dashed #E5E7EB;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--platform-transition);
  margin-top: 12px;
  background: var(--bg-base);
}
.v4-upload-zone:hover { border-color: var(--primary); background: var(--primary-glow); }
.v4-upload-icon { font-size: 32px; margin-bottom: 8px; }
.v4-upload-title { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.v4-upload-hint { font-size: 12px; color: var(--text-muted); }

/* Code block */
.v4-code {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: 12px;
  white-space: pre-wrap;
}

/* ── Status & Indicators ── */

/* Status Dot: .v4-status-dot → .platform-status-dot */
.v4-status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.v4-status-dot.online  { background: var(--module-status-ok); box-shadow: 0 0 4px rgba(46,125,50,0.4); }
.v4-status-dot.offline { background: var(--module-status-off); }
.v4-status-dot.muted   { background: var(--text-muted); }

/* Status Card */
.v4-status-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  min-width: 160px;
}
.v4-status-card span { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.v4-status-card small { margin-left: auto; font-size: 11px; color: var(--text-muted); }

/* Stat Card — gene mining summary (compat, see .platform-stat-card) */
.v4-stat-card { padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); text-align: center; transition: all var(--platform-transition); }
.v4-stat-card b { display: block; font-size: 22px; font-weight: 700; color: var(--text-primary); font-family: var(--font-mono); }
.v4-stat-card span { font-size: 11px; color: var(--text-muted); margin-top: 4px; display: block; }
.v4-stat-card.green  { background: rgba(76,175,80,0.06);  border-color: rgba(76,175,80,0.2);  }
.v4-stat-card.green  b { color: var(--success); }
.v4-stat-card.yellow { background: rgba(234,179,8,0.06);  border-color: rgba(234,179,8,0.2);  }
.v4-stat-card.yellow b { color: var(--warning); }
.v4-stat-card.blue   { background: rgba(59,130,246,0.06); border-color: rgba(59,130,246,0.2); }
.v4-stat-card.blue   b { color: var(--primary); }
.v4-stat-card.grey   { background: var(--bg-raised);      border-color: var(--border); }
.v4-stat-card.grey   b { color: var(--text-muted); }

/* Badge: .v4-badge → .platform-badge */
.v4-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.v4-badge.new { background: var(--secondary-glow); color: var(--secondary); }

/* Tag — used extensively in JS (candidate, docking, ai-affinity, engineering, etc.) */
.v4-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-raised);
  color: var(--text-muted);
}

/* Pill */
.v4-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ── Navigation ── */

/* Rail item: .v4-nav-item → .platform-rail-item */
.v4-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--platform-transition);
  white-space: nowrap;
  position: relative;
}
.v4-nav-item:hover { background: var(--bg-rail-hover); color: var(--text-primary); }
.v4-nav-item.active { background: var(--primary-glow); color: var(--primary); }
.v4-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

/* ── Summary / Dashboard Grid ── */

.v4-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.v4-summary-grid > * {
  padding: 14px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

/* Summary Item (used in virtual-perturbation.js) */
.v4-summary-item {
  padding: 14px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

/* File Item (used in virtual-perturbation.js) */
.v4-file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--platform-transition);
}
.v4-file-item:hover { border-color: var(--primary); background: var(--primary-glow); }

/* ── Species Components ── */

.v4-species-header {
  background: linear-gradient(135deg, #F0F9FF 0%, #F1F5F1 40%, #F8FAF8 100%);
  border: 1px solid #E5E7EB;
  overflow: hidden;
}
.v4-species-header-top { display: flex; align-items: center; gap: 20px; margin-bottom: 16px; }
.v4-species-icon-box {
  width: 64px; height: 64px; min-width: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-glow), rgba(46,125,50,0.06));
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(2,132,199,0.12);
  box-shadow: 0 2px 8px rgba(46,125,50,0.08);
}
.v4-species-title { flex: 1; min-width: 0; }
.v4-species-title h2 {
  font-family: var(--font-heading);
  font-size: 26px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em; line-height: 1.25;
}
.v4-species-title p { font-style: italic; color: var(--text-muted); font-size: 14px; margin-top: 2px; }
.v4-species-stats { display: flex; gap: 8px; margin-left: auto; }
.v4-species-stat {
  display: flex; flex-direction: column; align-items: center;
  min-width: 72px; padding: 10px 16px;
  background: #F1F5F1; border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow-sm);
  transition: all var(--platform-transition);
}
.v4-species-stat:hover { border-color: var(--primary-dim); box-shadow: var(--shadow); }
.v4-species-stat.highlight { background: linear-gradient(135deg, rgba(46,125,50,0.05), rgba(46,125,50,0.02)); border-color: rgba(46,125,50,0.18); }
.v4-species-stat-num { font-family: var(--font-heading); font-size: 22px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.v4-species-stat.highlight .v4-species-stat-num { color: var(--secondary); }
.v4-species-stat-label { font-size: 10.5px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }
.v4-species-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.v4-species-meta-tag {
  padding: 4px 12px; border-radius: 20px;
  font-size: 11.5px; font-weight: 500;
  background: var(--bg-raised); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.v4-species-meta-tag.accent { background: var(--secondary-glow); color: var(--secondary); border-color: rgba(46,125,50,0.18); }
.v4-species-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Species Genes */
.v4-species-genes-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.v4-species-genes-header h3 { font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--text-primary); }
.v4-species-genes-header h3 span { font-size: 12px; font-weight: 400; color: var(--text-muted); }
.v4-species-genes-tools { display: flex; align-items: center; gap: 8px; }
.v4-species-genes-tools .v4-input { max-width: 220px; font-size: 12.5px; padding: 6px 12px; }
.v4-species-genes-tools .v4-select { max-width: 130px; font-size: 12.5px; padding: 6px 12px; }
.v4-species-genes-tools span { font-size: 12px; color: var(--text-muted); white-space: nowrap; padding-right: 4px; }
.v4-species-genes-table { max-height: 520px; overflow-y: auto; border-radius: var(--radius); border: 1px solid var(--border); }

/* ── Gene Table Components ── */

.v4-gene-table { margin-top: 0; }
.v4-gene-table thead { position: sticky; top: 0; z-index: 2; }
.v4-gene-table thead th {
  background: var(--bg-raised);
  border-bottom: 2px solid var(--border);
  font-size: 11px;
  padding: 8px 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 700;
}
.v4-gene-table tbody tr { transition: background 150ms ease; }
.v4-gene-table tbody tr:nth-child(even) { background: rgba(248,250,252,0.6); }
.v4-gene-table tbody tr:hover { background: var(--bg-rail-hover); }
.v4-gene-table tbody td { padding: 8px 12px; border-bottom: 1px solid var(--border-light); }
.v4-gene-id { font-family: var(--font-mono); font-size: 12.5px; color: var(--primary); font-weight: 600; }
.v4-gene-len { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.v4-gene-family { font-size: 11.5px; color: var(--text-muted); }
.v4-gene-pos { font-size: 10.5px; }
.v4-gene-action { text-align: right; white-space: nowrap; }

/* PSPG Badge */
.v4-pspg-badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 10px;
  font-size: 11px; font-weight: 500;
  background: var(--bg-raised); color: var(--text-muted);
}
.v4-pspg-badge.positive { background: #DCFCE7; color: #166534; font-weight: 600; }
.v4-pspg-pct { font-weight: 400; opacity: 0.7; margin-left: 3px; font-size: 10px; }

/* In-Pool Badge */
.v4-inpool-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 6px;
  font-size: 11px; font-weight: 500;
  background: var(--secondary-glow); color: var(--secondary);
  cursor: default; user-select: none;
  border: 1px solid rgba(46,125,50,0.18);
  white-space: nowrap;
}

/* Pool Add Button */
.v4-pool-add { transition: all 180ms ease; }
.v4-pool-add:hover { transform: translateY(-1px); }

/* Pool Item List (compat) */
.v4-pool-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); transition: all var(--platform-transition); }
.v4-pool-item:hover { background: var(--bg-raised); border-color: var(--border-focus); }
.v4-pool-item-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.v4-pool-item-info b { font-size: 13px; font-weight: 600; color: var(--text-primary); font-family: var(--font-mono); }
.v4-pool-item-info span { font-size: 11.5px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.v4-pool-remove { flex-shrink: 0; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-card); color: var(--text-muted); font-size: 13px; cursor: pointer; transition: all var(--platform-transition); }
.v4-pool-remove:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

/* ── AI / Analysis Components ── */

/* AI Text (used in evaluation.js, evidence.js) */
.v4-ai-text {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 12px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 8px;
}
.v4-ai-disclaimer {
  font-size: 10.5px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
  padding: 0 4px;
}

/* ── Evaluation Components (evaluation.js) ── */

.v4-eval-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.v4-eval-card:hover { border-color: #E5E7EB; box-shadow: var(--shadow); }
.v4-eval-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.v4-eval-card-title { font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: var(--text-primary); flex: 1; }
.v4-eval-card-subtitle { font-size: 12px; color: var(--text-muted); }
.v4-eval-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.v4-eval-item {
  padding: 12px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ── Engineering Components (engineering.js) ── */

.v4-mutation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
  transition: all var(--platform-transition);
}
.v4-mutation-card:hover { border-color: var(--primary-dim); box-shadow: var(--shadow-sm); }
.v4-mut-badge {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  background: var(--primary-glow);
  color: var(--primary);
}
.v4-mut-title { font-family: var(--font-heading); font-size: 14px; font-weight: 600; color: var(--text-primary); margin: 6px 0 4px; }
.v4-mut-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.v4-mut-scores { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }

/* ── Mutation Design Viewer (Phase 6 — engineering.js) ── */

.platform-mutation-controls {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.platform-mutation-control-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.platform-mutation-control-group {
  flex: 1;
  min-width: 140px;
}
.platform-mutation-control-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

/* Mutation Operation Tabs */
.platform-mutation-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 16px;
}
.platform-mutation-tab {
  padding: 10px 20px;
  border: none;
  background: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--platform-transition);
}
.platform-mutation-tab:hover {
  color: var(--text-primary);
  background: var(--bg-rail-hover);
}
.platform-mutation-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* Mutation Operation Panel */
.platform-mutation-op-panel {
  padding: 0;
}

/* Priority Weights */
.platform-mutation-weights {
  /* container */
}
.platform-mutation-weight-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.platform-mutation-weight-item span {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Alert / Notification */
.platform-alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 12.5px;
  line-height: 1.5;
}
.platform-alert.success {
  background: rgba(46,125,50,0.10);
  border: 1px solid rgba(46,125,50,0.2);
  color: #1B5E20;
}
.platform-alert.error {
  background: rgba(220,38,38,0.06);
  border: 1px solid rgba(220,38,38,0.2);
  color: #991B1B;
}
.platform-alert.info {
  background: rgba(30,136,229,0.06);
  border: 1px solid rgba(30,136,229,0.2);
  color: #1E40AF;
}
.platform-alert code {
  background: var(--bg-raised);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-family: var(--font-mono);
}

/* ── Literature Components (modules.js) ── */

.v4-lit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  transition: all var(--platform-transition);
  cursor: pointer;
}
.v4-lit-item:hover { border-color: var(--primary-dim); background: var(--primary-glow); }

/* Plan Step (used in modules.js) */
.v4-plan-step {
  padding: 14px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary-dim);
  margin-bottom: 8px;
  transition: border-color var(--platform-transition);
}
.v4-plan-step:hover { border-left-color: var(--primary); }

/* ── Settings ── */

.v4-settings-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

/* ══════════════════════════════════════════════
   Responsive — Platform
   ══════════════════════════════════════════════ */

@media (max-width: 900px) {
  .platform-roadmap {
    grid-template-columns: 1fr;
  }
  .platform-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .platform-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .platform-hero-compact {
    flex-direction: column;
    align-items: flex-start;
  }
  .platform-metric-grid {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .platform-page {
    padding: 12px 14px 40px;
  }
  .platform-page-section {
    padding: 12px;
  }
  .platform-card {
    padding: 14px;
  }
  .platform-hero-compact {
    padding: 20px;
  }
  .platform-hero-compact h2 {
    font-size: 24px;
  }
  .platform-metric-grid {
    gap: 12px;
  }
  .platform-metric {
    min-width: 60px;
    padding: 8px 10px;
  }
  .platform-metric b {
    font-size: 20px;
  }
  .platform-metric span {
    font-size: 10px;
  }
  .platform-form-row {
    flex-direction: column;
  }
  .platform-gallery {
    grid-template-columns: 1fr;
  }
  .platform-step-flow {
    margin: 8px -14px;
  }
}

/* ═══════════════════════════════════════════════════════════
   Phase 8.1: Structure Viewer — 4-Panel Layout
   ═══════════════════════════════════════════════════════════ */

/* ── Viewer Container (3-column grid) ── */
.struct-viewer-container {
  display: grid;
  grid-template-columns: 240px 1fr 260px;
  gap: 12px;
  min-height: 500px;
  max-height: 70vh;
  margin-bottom: 8px;
}

/* ── Panels ── */
.struct-panel {
  background: var(--bg-platform, #F1F5F1);
  border: 1px solid var(--border, #E5E7EB);
  border-radius: var(--radius, 8px);
  padding: 12px;
  overflow-y: auto;
}

.struct-panel h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px 0;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle, #F1F5F1);
}

.struct-panel--left {
  overflow-y: auto;
  font-size: 12px;
}

.struct-panel--center {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 8px;
}

.struct-panel--right {
  overflow-y: auto;
  font-size: 12px;
}

/* ── Control Groups ── */
.struct-control-group {
  margin-bottom: 10px;
}

.struct-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary, #9CA3AF);
  margin-bottom: 4px;
}

.struct-text-input {
  width: 100%;
  padding: 5px 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  border: 1px solid var(--border, #E5E7EB);
  border-radius: 4px;
  background: var(--bg-platform, #F1F5F1);
  color: var(--text-primary);
  box-sizing: border-box;
}

.struct-file-input {
  width: 100%;
  font-size: 10px;
  color: var(--text-muted);
}

.struct-divider {
  border: none;
  border-top: 1px solid var(--border-subtle, #F1F5F1);
  margin: 8px 0;
}

/* ── Full-width button variant ── */
button.full-width {
  width: 100%;
  margin-bottom: 4px;
}

/* ── Display Mode Buttons ── */
.struct-mode-buttons {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.struct-mode-btn {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--border, #E5E7EB);
  border-radius: 4px;
  background: var(--bg-platform, #F1F5F1);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 150ms ease;
}

.struct-mode-btn:hover {
  background: var(--bg-rail-hover, #F1F5F1);
  border-color: var(--primary, #2E7D32);
}

.struct-mode-btn.active {
  background: var(--primary, #2E7D32);
  color: #F1F5F1;
  border-color: var(--primary, #2E7D32);
}

/* ── 3D Viewer Canvas ── */
.struct-viewer-canvas {
  flex: 1;
  min-height: 400px;
  position: relative;
  border: 1px solid var(--border, #E5E7EB);
  border-radius: 6px;
  overflow: hidden;
  background: #F1F5F1;
}

.struct-viewer-canvas canvas {
  display: block;
}

/* ── Viewer Empty State ── */
.struct-viewer-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 400px;
  text-align: center;
  padding: 24px;
}

/* ── Viewer Error State ── */
.struct-viewer-error {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 400px;
  color: var(--danger, #C0392B);
  font-size: 14px;
  text-align: center;
  padding: 24px;
}

/* ── Viewer Status Bar ── */
.struct-viewer-status {
  padding: 6px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: var(--bg-rail, #F8FAF8);
  border-bottom: 1px solid var(--border, #E5E7EB);
  border-radius: 6px 6px 0 0;
  margin: -8px -8px 0 -8px;
}

.struct-viewer-status--loaded { color: var(--success, #2E7D32); }
.struct-viewer-status--loading { color: var(--warning, #E67E22); }
.struct-viewer-status--error { color: var(--danger, #C0392B); }

/* ── Viewer File Info ── */
.struct-viewer-fileinfo {
  padding: 5px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg-rail, #F8FAF8);
  border-top: 1px solid var(--border, #E5E7EB);
  border-radius: 0 0 6px 6px;
  margin: 0 -8px -8px -8px;
}

/* ── Inspector Sections ── */
.struct-inspector-section {
  margin-bottom: 12px;
  padding: 8px;
  background: var(--bg-rail, #F8FAF8);
  border-radius: 6px;
  border: 1px solid var(--border-subtle, #F1F5F1);
}

.struct-inspector-item {
  padding: 3px 0;
  border-bottom: 1px solid var(--border-subtle, #F1F5F1);
}

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

.struct-inspector-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.struct-inspector-value {
  font-size: 12px;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.struct-inspector-list {
  max-height: 200px;
  overflow-y: auto;
  margin-top: 4px;
}

.struct-inspector-list-item {
  padding: 2px 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle, #F1F5F1);
}

.struct-highlight-badge {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}

/* ── Bottom Bar ── */
.struct-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-rail, #F8FAF8);
  border: 1px solid var(--border, #E5E7EB);
  border-radius: var(--radius, 8px);
  margin-bottom: 8px;
  gap: 12px;
}

.struct-measure-placeholder {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  margin-left: 12px;
}

/* ── Phase 8.3: Layer Panel ── */
.struct-layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  border: 1px solid var(--border-subtle, #E5E7EB);
  border-radius: 4px;
  margin-bottom: 4px;
  font-size: 11px;
  background: var(--bg-card, #fff);
  transition: background 0.15s;
}
.struct-layer-item:hover { background: var(--bg-rail, #F8FAF8); }
.struct-layer-item.active { border-color: var(--primary, #2E7D32); }
.struct-layer-info { flex: 1; min-width: 0; }
.struct-layer-name {
  font-weight: 600;
  font-size: 11px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 110px;
}
.struct-layer-source {
  font-size: 9px;
  color: var(--text-muted);
  display: inline-block;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-rail, #F8FAF8);
  margin-top: 2px;
}
.struct-layer-source.candidate_structure { color: #2E7D32; background: rgba(46,125,50,0.10); }
.struct-layer-source.docking_complex { color: #2E7D32; background: rgba(46,125,50,0.10); }
.struct-layer-source.boltz2_complex { color: #4CAF50; background: rgba(147,51,234,0.08); }
.struct-layer-source.foldx_mutant_structure { color: #4CAF50; background: rgba(147,51,234,0.08); }
.struct-layer-source.uploaded_pdb { color: #E67E22; background: rgba(217,119,6,0.08); }
.struct-layer-source.demo_structure { color: #2E7D32; background: rgba(46,125,50,0.10); }
.struct-layer-actions {
  display: flex;
  gap: 3px;
  align-items: center;
}
.struct-layer-btn {
  border: none;
  background: none;
  cursor: pointer;
  padding: 2px 5px;
  font-size: 10px;
  border-radius: 3px;
  color: var(--text-muted);
  transition: all 0.15s;
}
.struct-layer-btn:hover { background: var(--border-subtle); color: var(--text-primary); }
.struct-layer-btn.active { color: var(--primary); }
.struct-layer-vis-toggle {
  font-size: 14px;
  cursor: pointer;
  padding: 0 2px;
}
.struct-layer-vis-toggle.hidden { opacity: 0.35; }

/* ── Phase 8.3: Evidence Summary ── */
.struct-evidence-summary {
  padding: 6px 0;
}
.struct-evidence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.struct-evidence-item {
  font-size: 10px;
  padding: 3px 6px;
  background: var(--bg-rail, #F8FAF8);
  border-radius: 3px;
}
.struct-evidence-item .ev-label {
  color: var(--text-muted);
  font-size: 9px;
  display: block;
}
.struct-evidence-item .ev-value {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 12px;
}
.struct-evidence-item .ev-value.warning { color: var(--warning, #E67E22); }
.struct-evidence-item .ev-value.good { color: var(--success, #2E7D32); }
.struct-evidence-warnings {
  margin-top: 6px;
  padding: 4px 6px;
  background: rgba(217,119,6,0.08);
  border-radius: 3px;
  font-size: 10px;
  color: #E67E22;
}

/* ── Phase 8.3: Mutation Panel ── */
.struct-mutation-list { max-height: 160px; overflow-y: auto; }
.struct-mutation-item {
  padding: 4px 6px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.15s;
}
.struct-mutation-item:hover { background: var(--bg-rail, #F8FAF8); }
.struct-mutation-item .mut-label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
}
.struct-mutation-item .mut-status {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
}
.struct-mutation-item .mut-status.mapped { color: #2E7D32; background: rgba(46,125,50,0.10); }
.struct-mutation-item .mut-status.unmapped { color: #E67E22; background: rgba(217,119,6,0.08); }
.struct-mutation-item .mut-status.pending { color: var(--text-muted); }

/* ── Phase 8.3: Measurement ── */
.struct-measure-table { width: 100%; font-size: 11px; border-collapse: collapse; }
.struct-measure-table th {
  text-align: left;
  padding: 3px 6px;
  font-size: 10px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}
.struct-measure-table td {
  padding: 3px 6px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}
.struct-measure-table .dist-val { font-weight: 700; font-family: var(--font-mono); color: var(--primary); }
.struct-measure-delete { color: var(--danger); cursor: pointer; border: none; background: none; font-size: 10px; }

/* ── Responsive: stack panels on narrow screens ── */
@media (max-width: 1100px) {
  .struct-viewer-container {
    grid-template-columns: 1fr;
    max-height: none;
  }
  .struct-panel--center {
    min-height: 400px;
  }
}

/* ═══════════════════════════════════════════════════════════
   CUSTOM LIGAND PANEL (4-Tab: Built-in | Upload | Draw | SMILES)
   Located in Docking page Step 2: Substrate Docking
   ═══════════════════════════════════════════════════════════ */

/* ── Panel Container ── */
.ligand-panel {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius, 8px);
  padding: 12px;
  margin-bottom: 8px;
  transition: border-color var(--platform-transition, 0.2s);
}

/* ── Tab Header ── */
.ligand-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border, #e5e7eb);
  margin-bottom: 10px;
}

.ligand-tab {
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted, #9ca3af);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: var(--font-body, inherit);
  white-space: nowrap;
}

.ligand-tab:hover {
  color: var(--text-secondary, #6b7280);
  background: var(--bg-rail-hover, #f1f5f1);
}

.ligand-tab.active {
  color: var(--primary, #2e7d32);
  border-bottom-color: var(--primary, #2e7d32);
  font-weight: 600;
}

/* ── Tab Content ── */
.ligand-tab-content {
  display: none;
  padding: 8px 0;
  animation: platform-fade-in 0.2s ease;
}

.ligand-tab-content.active {
  display: block;
}

/* ── Upload Zone ── */
.ligand-upload-zone {
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.18s ease;
  background: var(--bg-raised, #f8faf8);
}

.ligand-upload-zone:hover,
.ligand-upload-zone.dragover {
  border-color: var(--primary, #2e7d32);
  background: rgba(46, 125, 50, 0.04);
}

/* ── Empty State ── */
.ligand-empty {
  text-align: center;
  padding: 20px 12px;
  color: var(--text-muted, #9ca3af);
  font-size: 12px;
}

/* ── Ligand Card ── */
.ligand-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 4px;
  border: 1px solid var(--border-light, #f1f5f1);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  background: var(--bg-card, #fff);
  position: relative;
}

.ligand-card:hover {
  border-color: #d1d5db;
  background: var(--bg-rail-hover, #f1f5f1);
}

.ligand-card.selected {
  border-color: var(--primary, #2e7d32);
  border-left: 3px solid var(--primary, #2e7d32);
  padding-left: 8px;
  background: rgba(46, 125, 50, 0.04);
}

/* ── Ligand Card Children ── */
.ligand-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #111827);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ligand-card.selected .ligand-card-name {
  color: var(--primary, #2e7d32);
}

.ligand-card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted, #9ca3af);
  flex-shrink: 0;
  white-space: nowrap;
}

.ligand-card-meta span {
  font-family: var(--font-mono, monospace);
  font-size: 10.5px;
}

.ligand-card-desc {
  font-size: 11px;
  color: var(--text-secondary, #6b7280);
  flex-shrink: 0;
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Ligand Card Badge ── */
.ligand-card-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.ligand-card-badge.ready     { background: rgba(46,125,50,0.10);  color: #2E7D32; }
.ligand-card-badge.converted { background: rgba(30,136,229,0.10); color: #1E88E5; }
.ligand-card-badge.needs_conversion,
.ligand-card-badge.pending   { background: rgba(217,119,6,0.08);  color: #E67E22; }
.ligand-card-badge.error     { background: rgba(220,38,38,0.08);  color: #C0392B; }

/* ── Ligand Card Delete Button ── */
.ligand-card-delete {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted, #9ca3af);
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
  padding: 0;
  line-height: 1;
}

.ligand-card-delete:hover {
  background: rgba(220,38,38,0.08);
  color: #C0392B;
  border-color: rgba(220,38,38,0.2);
}

/* ── Source Tag ── */
.ligand-source-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-raised, #f1f5f1);
  color: var(--text-muted, #9ca3af);
  border: 1px solid var(--border, #e5e7eb);
}

/* ── Preview Info (SMILES validation) ── */
.ligand-preview-info {
  padding: 8px 10px;
  background: rgba(46, 125, 50, 0.04);
  border: 1px solid rgba(46, 125, 50, 0.15);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-secondary, #6b7280);
  line-height: 1.6;
}

.ligand-preview-info strong {
  color: var(--text-primary, #111827);
  font-weight: 600;
}
.ugt-link-button{border:0;background:none;color:var(--primary);font:inherit;font-family:var(--font-mono);cursor:pointer;padding:0;text-align:left}.ugt-link-button:hover{text-decoration:underline}.ugt-table-v2{min-width:1500px}.ugt-table-v2 small{color:var(--text-muted);white-space:nowrap}.ugt-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}.ugt-detail-grid>div{border:1px solid var(--border-light);border-radius:8px;padding:14px;background:var(--surface-subtle,#f8faf8)}@media(max-width:900px){.ugt-detail-grid{grid-template-columns:1fr}}
.ugt-project-creator{margin-top:12px;padding:12px;border:1px solid var(--border,#d9e2dc);border-radius:10px;background:var(--surface-muted,#f6faf7);display:flex;gap:8px;align-items:center;flex-wrap:wrap}.ugt-project-creator .platform-input{min-width:210px;flex:1 1 210px}