/* ============================================
   WorkflowForge — Business Architecture Studio
   Complete Styles
   ============================================ */

/* ---- Studio Shell ---- */
.studio-shell {
  display: flex;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: relative;
  z-index: 1;
  background: var(--bg-primary);
}

/* ---- Studio Left Nav ---- */
.studio-nav {
  width: 240px;
  min-width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  z-index: 10;
}
.studio-nav-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}
.studio-nav-logo {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  border-radius: var(--radius-lg);
  color: white;
}
.studio-nav-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}
.studio-nav-title span {
  color: var(--text-muted);
  font-weight: 400;
}
.studio-nav-panels {
  flex: 1;
  padding: var(--space-3) 0;
  overflow-y: auto;
}
.studio-nav-section {
  margin-bottom: var(--space-2);
}
.studio-nav-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-4) var(--space-1);
}
.studio-nav-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-4);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}
.studio-nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.studio-nav-btn.active {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  font-weight: 500;
}
.studio-nav-btn span { flex: 1; }
.studio-nav-count {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.studio-nav-btn.active .studio-nav-count {
  background: var(--color-accent);
  color: white;
}
.studio-nav-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

/* ---- Studio Center ---- */
.studio-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ---- Studio Toolbar ---- */
.studio-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  min-height: 52px;
  gap: var(--space-4);
}
.studio-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.studio-toolbar-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.studio-toolbar-badge {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.studio-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.studio-toolbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-default);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}
.studio-toolbar-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.studio-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  height: 32px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-muted);
}
.studio-search input {
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
  width: 140px;
}
.studio-search input::placeholder { color: var(--text-muted); }

/* ---- Studio Content ---- */
.studio-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: var(--space-6);
}

/* ---- Studio Preview Panel ---- */
.studio-preview {
  width: 320px;
  min-width: 320px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.3s ease, min-width 0.3s ease, opacity 0.3s ease;
}
.studio-preview.collapsed {
  width: 0;
  min-width: 0;
  opacity: 0;
  border-left: none;
}
.studio-preview-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.studio-preview-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.studio-preview-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

/* ---- Preview Sections ---- */
.preview-section {
  margin-bottom: var(--space-5);
}
.preview-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.preview-stat-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.preview-stat-mini {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
}
.preview-stat-mini-value {
  display: block;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}
.preview-stat-mini-label {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}
.preview-module-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.preview-module-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-1) 0;
}
.preview-module-dot, .preview-entity-dot, .preview-notification-dot, .preview-report-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.preview-module-dot { background: var(--color-accent); }
.preview-entity-dot { background: var(--color-warning); }
.preview-notification-dot { background: var(--color-success); }
.preview-report-dot { background: #8b5cf6; }

/* Preview workflow */
.preview-workflow-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.preview-flow-connector {
  color: var(--text-muted);
}
.preview-flow-step {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  width: 100%;
  text-align: center;
}

/* Preview health */
.preview-health-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--space-1);
}
.preview-health-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}
.preview-health-label {
  font-size: 11px;
  font-weight: 600;
}

/* Preview impact */
.preview-impact-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.preview-impact-stat {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  text-align: center;
}
.preview-impact-risk {
  margin-bottom: var(--space-2);
}
.preview-impact-rec {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  background: var(--bg-tertiary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-accent);
}
.preview-empty-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
}
.preview-field-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.preview-field-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}
.preview-field-name { color: var(--text-primary); font-weight: 500; }
.preview-field-type { color: var(--text-muted); font-family: var(--font-mono); font-size: 10px; }

/* ---- Studio Panel (shared) ---- */
.studio-panel {
  max-width: 800px;
}
.studio-panel-full {
  max-width: 100%;
}
.studio-panel-header {
  margin-bottom: var(--space-5);
}
.studio-panel-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.studio-panel-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 640px;
}
.studio-panel-stats {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.stat-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.stat-active { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.stat-inactive { background: rgba(107, 114, 128, 0.12); color: #6b7280; }
.stat-info { background: rgba(99, 102, 241, 0.12); color: #6366f1; }

/* ---- Drag List ---- */
.drag-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.drag-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  cursor: default;
  transition: all 0.2s ease;
}
.drag-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.drag-item.dragging {
  opacity: 0.5;
  border-color: var(--color-accent);
}
.drag-item.disabled {
  opacity: 0.5;
}
.drag-handle {
  cursor: grab;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  touch-action: none;
}
.drag-handle:active { cursor: grabbing; }
.drag-item-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  min-width: 0;
}
.drag-item-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.drag-item-info {
  min-width: 0;
}
.drag-item-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.drag-item-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 1px;
}
.drag-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}
.drag-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}
.drag-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.drag-action-btn.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ---- Toggle Indicator ---- */
.toggle-indicator {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-default);
  transition: all 0.2s ease;
}
.toggle-indicator.on {
  background: var(--color-success);
  border-color: var(--color-success);
}
.toggle-btn {
  border: none;
  background: transparent;
  padding: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
}

/* ---- Add Button ---- */
.studio-add-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px dashed var(--border-default);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}
.studio-add-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-bg);
}

/* ---- Inline Edit ---- */
.inline-edit {
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  outline: none;
  width: 100%;
}
.inline-edit:focus {
  background: var(--bg-tertiary);
  box-shadow: 0 0 0 1px var(--color-accent);
}

/* ============================================
   WORKFLOW DESIGNER
   ============================================ */
.workflow-canvas {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.workflow-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.wf-connector {
  display: flex;
  justify-content: center;
  padding: 4px 0;
}
.wf-connector-line {
  width: 2px;
  height: 24px;
  background: var(--border-default);
  border-radius: 1px;
}
.wf-node {
  width: 100%;
  max-width: 480px;
  position: relative;
}
.wf-node-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: all 0.2s ease;
}
.wf-node-box:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-bg);
}
.wf-node.start .wf-node-box { border-left: 3px solid var(--color-success); }
.wf-node.end .wf-node-box { border-left: 3px solid var(--color-accent); }
.wf-node.approval .wf-node-box { border-left: 3px solid var(--color-warning); }
.wf-node.pause .wf-node-box { border-left: 3px solid #8b5cf6; }
.wf-node.disabled { opacity: 0.5; }
.wf-node.dragging { opacity: 0.4; }
.wf-node-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.wf-node-icon {
  color: var(--color-accent);
  display: flex;
  align-items: center;
}
.wf-node-name {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.wf-node-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.wf-node:hover .wf-node-actions { opacity: 1; }
.wf-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}
.wf-action-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.wf-action-btn.danger:hover { background: rgba(239,68,68,0.1); color: #ef4444; }
.wf-node-meta {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}
.wf-meta-tag {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.wf-meta-tag.approval {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
}
.wf-expand-btn {
  position: absolute;
  right: -28px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border: 1px solid var(--border-default);
  background: var(--bg-card);
  color: var(--text-muted);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.wf-expand-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.wf-sub-processes {
  margin-top: var(--space-2);
  margin-left: var(--space-6);
  padding: var(--space-2);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}
.wf-sub-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}
.wf-sub-node:hover { background: var(--bg-hover); }
.wf-sub-name {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}
.wf-add-sub-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 10px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}
.wf-add-sub-btn:hover { color: var(--color-accent); background: var(--color-accent-bg); }
.workflow-add-step {
  margin-top: var(--space-4);
  text-align: center;
}

/* ============================================
   ENTITY GRID
   ============================================ */
.entity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}
.entity-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}
.entity-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.entity-card.disabled { opacity: 0.5; }
.entity-card-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s ease;
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}
.entity-card:hover .entity-card-actions { opacity: 1; }
.entity-card-icon {
  color: var(--color-warning);
  margin-bottom: var(--space-2);
}
.entity-card-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.entity-card-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}
.entity-card-rels {
  font-size: 10px;
  color: var(--color-accent);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ============================================
   NAV TREE (Screens)
   ============================================ */
.nav-tree {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.nav-tree-group {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.nav-tree-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  transition: background 0.15s ease;
}
.nav-tree-group-header:hover { background: var(--bg-hover); }
.nav-tree-group.collapsed .nav-tree-items { display: none; }
.nav-tree-group.collapsed > .nav-tree-group-header svg { transform: rotate(-90deg); }
.nav-tree-group-name { flex: 1; }
.nav-tree-group-count {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.nav-tree-items {
  border-top: 1px solid var(--border-subtle);
}
.nav-tree-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: background 0.15s ease;
}
.nav-tree-item:hover { background: var(--bg-hover); }
.nav-tree-item.hidden { opacity: 0.5; }
.nav-tree-item-icon { color: var(--text-muted); display: flex; }
.nav-tree-item-label { flex: 1; font-size: var(--text-sm); }

/* ============================================
   DASHBOARD WIDGETS
   ============================================ */
.widget-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.widget-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s ease;
  cursor: grab;
}
.widget-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.widget-card.dragging { opacity: 0.4; }
.widget-card.span-2 { grid-column: span 2; }
.widget-card.span-3 { grid-column: span 3; }
.widget-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}
.widget-card-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-primary);
}
.widget-card-actions { display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s; }
.widget-card:hover .widget-card-actions { opacity: 1; }
.widget-card-preview {
  padding: var(--space-3) var(--space-4);
  min-height: 60px;
}
.widget-kpi-value { font-size: var(--text-xl); font-weight: 700; color: var(--text-primary); }
.widget-kpi-change { font-size: var(--text-xs); color: var(--color-success); margin-top: 2px; }
.mini-chart { display: flex; align-items: flex-end; gap: 3px; height: 40px; }
.mini-bar { flex: 1; background: var(--color-accent); border-radius: 2px 2px 0 0; min-height: 4px; opacity: 0.6; transition: opacity 0.15s; }
.widget-card:hover .mini-bar { opacity: 1; }
.widget-list { display: flex; flex-direction: column; gap: 4px; }
.widget-list-item { font-size: var(--text-xs); color: var(--text-secondary); }

/* ============================================
   FORM BUILDER
   ============================================ */
.form-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.form-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
}
.form-section-title { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.form-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.15s ease;
}
.form-field:last-child { border-bottom: none; }
.form-field:hover { background: var(--bg-hover); }
.form-field-main { display: flex; align-items: center; gap: var(--space-3); flex: 1; min-width: 0; }
.form-field-label { font-size: var(--text-sm); font-weight: 500; color: var(--text-primary); }
.form-field-type { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); background: var(--bg-tertiary); padding: 2px 6px; border-radius: var(--radius-sm); }
.form-field-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.form-field-required {
  font-size: 10px;
  color: var(--text-muted);
}
.form-field-required.on {
  color: var(--color-warning);
}

/* ============================================
   ROLE MATRIX (Permissions)
   ============================================ */
.role-matrix-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
}
.role-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.role-matrix th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-default);
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
}
.role-matrix td {
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}
.role-matrix-module {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.role-perms {
  display: flex;
  gap: 4px;
}
.perm-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-default);
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all 0.15s ease;
}
.perm-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.perm-btn.on {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}
.role-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.permission-legend {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ============================================
   BUSINESS RULES
   ============================================ */
.rules-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.rule-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s ease;
}
.rule-card:hover { border-color: var(--border-strong); }
.rule-card.disabled { opacity: 0.5; }
.rule-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
}
.rule-card-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.rule-card-desc { font-size: var(--text-xs); color: var(--text-secondary); margin-top: 2px; }
.rule-card-details {
  padding: 0 var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-3);
}
.rule-detail {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-xs);
}
.rule-detail-label {
  color: var(--text-muted);
  min-width: 120px;
  flex-shrink: 0;
}
.rule-detail-value { color: var(--text-secondary); }
.rule-detail-value.clickable { color: var(--color-accent); cursor: pointer; text-decoration: underline; }

/* ---- Risk Badge ---- */
.risk-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}
.risk-low { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.risk-medium { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.risk-high { background: rgba(239, 68, 68, 0.12); color: #ef4444; }

/* ============================================
   MARKETPLACE
   ============================================ */
.marketplace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}
.marketplace-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: all 0.2s ease;
  position: relative;
}
.marketplace-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.marketplace-card.installed { border-color: var(--color-success); }
.marketplace-card.recommended { border-color: var(--color-accent); }
.marketplace-rec-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.marketplace-card-icon { color: var(--color-accent); margin-bottom: var(--space-3); }
.marketplace-card-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-1); }
.marketplace-card-desc { font-size: var(--text-xs); color: var(--text-secondary); line-height: var(--leading-relaxed); margin-bottom: var(--space-3); }
.marketplace-card-tags { display: flex; gap: var(--space-1); flex-wrap: wrap; margin-bottom: var(--space-3); }
.marketplace-tag { font-size: 10px; color: var(--text-muted); background: var(--bg-tertiary); padding: 2px 8px; border-radius: var(--radius-sm); }
.marketplace-install-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}
.marketplace-install-btn:hover { background: var(--color-accent); color: white; }
.marketplace-install-btn.installed {
  border-color: var(--color-success);
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

/* ============================================
   VALIDATION
   ============================================ */
.validation-summary {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.validation-summary-item {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
}
.validation-summary-item.warn { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.validation-summary-item.suggest { background: rgba(99, 102, 241, 0.12); color: #6366f1; }
.validation-summary-item.info { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.validation-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.validation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border-left: 3px solid var(--border-default);
}
.validation-warning { border-left-color: #f59e0b; }
.validation-suggestion { border-left-color: #6366f1; }
.validation-info { border-left-color: #22c55e; }
.validation-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.validation-card-icon { flex-shrink: 0; }
.validation-warning .validation-card-icon { color: #f59e0b; }
.validation-suggestion .validation-card-icon { color: #6366f1; }
.validation-info .validation-card-icon { color: #22c55e; }
.validation-card-title { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); flex: 1; }
.validation-type-badge {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.validation-type-warning { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.validation-type-suggestion { background: rgba(99, 102, 241, 0.12); color: #6366f1; }
.validation-type-info { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.validation-card-detail { font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-relaxed); margin-bottom: var(--space-2); }
.validation-card-fix {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-accent);
}
.validation-pass {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-success);
}
.validation-pass h3 { margin-top: var(--space-3); color: var(--text-primary); }
.validation-pass p { color: var(--text-secondary); font-size: var(--text-sm); }

/* ============================================
   HEALTH SCORE
   ============================================ */
.health-overall {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
}
.health-score-circle {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}
.health-ring { width: 100%; height: 100%; }
.health-ring-progress { transition: stroke-dasharray 0.8s ease; }
.health-score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
}
.health-score-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, 30%);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.health-overall-info h3 { font-size: var(--text-lg); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-2); }
.health-overall-info p { font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-relaxed); }
.health-metrics {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.health-metric {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.health-metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}
.health-metric-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.health-metric-score { font-size: var(--text-lg); font-weight: 700; }
.health-metric-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.health-metric-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}
.health-metric-desc { font-size: var(--text-xs); color: var(--text-muted); }
.health-metric-tip {
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ============================================
   VERSION HISTORY
   ============================================ */
.versions-list {
  position: relative;
  padding-left: var(--space-5);
}
.versions-list::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-default);
}
.version-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: all 0.15s ease;
}
.version-card:hover { border-color: var(--border-strong); }
.version-card.active { border-color: var(--color-accent); background: var(--color-accent-bg); }
.version-card-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-default);
  flex-shrink: 0;
  position: absolute;
  left: calc(-1 * var(--space-5) - 2px);
}
.version-card.active .version-card-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.version-card-info { flex: 1; min-width: 0; }
.version-card-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.version-card-time { font-size: var(--text-xs); color: var(--text-muted); }
.version-card-snapshot { font-size: 10px; color: var(--text-muted); margin-top: 2px; }
.version-card-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }
.version-active-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* ============================================
   DOCUMENTATION
   ============================================ */
.docs-section {
  margin-bottom: var(--space-6);
}
.docs-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-2);
}
.doc-card-title { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-1); }
.doc-card-text { font-size: var(--text-xs); color: var(--text-secondary); line-height: var(--leading-relaxed); margin-bottom: var(--space-2); }
.doc-card-meta { display: flex; gap: var(--space-4); font-size: 10px; color: var(--text-muted); flex-wrap: wrap; }
.doc-workflow-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.doc-flow-arrow { color: var(--text-muted); }
.doc-flow-step {
  text-align: center;
  padding: var(--space-2) var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 400px;
}
.doc-flow-name { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.doc-flow-desc { display: block; font-size: var(--text-xs); color: var(--text-secondary); margin-top: 2px; }
.doc-flow-meta { display: block; font-size: 10px; color: var(--text-muted); margin-top: 2px; }
.docs-entity-table { overflow-x: auto; }

/* ============================================
   ENTITY RELATIONSHIPS
   ============================================ */
.entity-graph {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}
.entity-graph-node {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all 0.2s ease;
}
.entity-graph-node:hover { border-color: var(--color-accent); box-shadow: var(--shadow-sm); }
.entity-graph-icon { color: var(--color-warning); margin-bottom: var(--space-2); }
.entity-graph-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.entity-graph-module { font-size: var(--text-xs); color: var(--text-muted); margin-bottom: var(--space-2); }
.entity-graph-connections {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.entity-graph-link {
  font-size: var(--text-xs);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 4px;
}
.entity-graph-none {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================
   BUSINESS GRAPH
   ============================================ */
.graph-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  margin-bottom: var(--space-3);
}
.graph-control-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-default);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.graph-control-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.graph-zoom-label { font-size: var(--text-xs); color: var(--text-muted); margin-left: var(--space-2); }
.graph-canvas-wrapper {
  overflow: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  min-height: 600px;
  position: relative;
}
.graph-canvas {
  position: relative;
  width: 1200px;
  height: 800px;
  transform-origin: 0 0;
}
.graph-links {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}
.graph-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.graph-node:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-bg);
  z-index: 2;
}
.graph-node.selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.graph-node-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.graph-node-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-primary);
}

/* ============================================
   DETAIL PANELS
   ============================================ */
.detail-panel {
  max-width: 700px;
}
.detail-hero {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.detail-hero-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-radius: var(--radius-xl);
  flex-shrink: 0;
}
.detail-hero-info { flex: 1; min-width: 0; }
.detail-hero-name { font-size: var(--text-xl); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-1); }
.detail-hero-desc { font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-relaxed); }
.detail-hero-meta {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
}
.detail-status {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}
.detail-status.active { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.detail-status.inactive { background: rgba(107, 114, 128, 0.12); color: #6b7280; }
.detail-meta-item { font-size: var(--text-xs); color: var(--text-muted); }
.detail-actions-bar {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.detail-action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-default);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}
.detail-action-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-strong); }
.detail-action-btn.danger { border-color: rgba(239, 68, 68, 0.3); color: #ef4444; }
.detail-action-btn.danger:hover { background: rgba(239, 68, 68, 0.1); border-color: #ef4444; }
.detail-section {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}
.detail-section:last-child { border-bottom: none; }
.detail-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
.detail-section-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}
.detail-section-text.muted { color: var(--text-muted); font-style: italic; }
.detail-subsection-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}
.detail-dep-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--text-primary);
}
.detail-dep-icon { color: var(--text-muted); display: flex; flex-shrink: 0; }
.detail-dep-type { color: var(--text-muted); font-size: var(--text-xs); margin-left: auto; }
.detail-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.detail-chip {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.detail-chip.clickable {
  cursor: pointer;
  transition: all 0.15s ease;
}
.detail-chip.clickable:hover {
  background: var(--color-accent-bg);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.detail-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.detail-stat {
  text-align: center;
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}
.detail-stat-value { display: block; font-size: var(--text-lg); font-weight: 700; color: var(--text-primary); }
.detail-stat-label { display: block; font-size: 10px; color: var(--text-muted); }
.detail-industry-rec {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-success);
  margin-top: var(--space-2);
}
.detail-field-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.detail-field-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}
.detail-field-name { font-size: var(--text-sm); font-weight: 500; color: var(--text-primary); }
.detail-field-type { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); }
.detail-rule-item {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.detail-rule-item:last-child { border-bottom: none; }
.detail-rule-name { font-size: var(--text-sm); font-weight: 500; color: var(--text-primary); display: block; }
.detail-rule-desc { font-size: var(--text-xs); color: var(--text-secondary); }

/* ============================================
   TOAST
   ============================================ */
.studio-toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 9999;
}
.studio-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .studio-preview { width: 280px; min-width: 280px; }
}
@media (max-width: 1024px) {
  .studio-nav { width: 200px; min-width: 200px; }
  .studio-preview { width: 260px; min-width: 260px; }
  .detail-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .studio-shell { flex-direction: column; }
  .studio-nav {
    width: 100%;
    min-width: 100%;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    height: auto;
    max-height: 48px;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .studio-nav-header, .studio-nav-footer { display: none; }
  .studio-nav-panels {
    display: flex;
    gap: 0;
    padding: 0;
    overflow-x: auto;
    flex-shrink: 0;
  }
  .studio-nav-section {
    display: flex;
    margin-bottom: 0;
  }
  .studio-nav-section-label { display: none; }
  .studio-nav-btn {
    white-space: nowrap;
    padding: var(--space-2) var(--space-3);
  }
  .studio-nav-btn span { display: none; }
  .studio-nav-count { display: none; }
  .studio-preview {
    width: 100%;
    min-width: 100%;
    max-height: 40vh;
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }
  .studio-preview.collapsed { max-height: 0; }
  .studio-content { padding: var(--space-4); }
  .entity-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .widget-grid { grid-template-columns: repeat(2, 1fr); }
  .widget-card.span-3 { grid-column: span 2; }
  .marketplace-grid { grid-template-columns: 1fr; }
  .health-overall { flex-direction: column; text-align: center; }
  .detail-hero { flex-direction: column; align-items: center; text-align: center; }
  .detail-hero-meta { justify-content: center; }
  .detail-actions-bar { justify-content: center; }
  .graph-canvas-wrapper { min-height: 400px; }
}
@media (max-width: 480px) {
  .studio-toolbar { padding: var(--space-2) var(--space-3); }
  .studio-search input { width: 80px; }
  .entity-grid { grid-template-columns: 1fr; }
  .widget-grid { grid-template-columns: 1fr; }
  .widget-card.span-2, .widget-card.span-3 { grid-column: span 1; }
  .detail-stats-grid { grid-template-columns: repeat(2, 1fr); }
}