/* KIONOV.STRUCT Module Styles */

/* Structural Dashboard */
.struct-header {
  padding: 18px;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
}

.project-context-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-info h1 {
  margin: 0;
  font-size: 24px;
  color: var(--primary-dark);
}

.project-meta {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.code-tag {
  padding: 4px 8px;
  background: var(--primary-dark);
  color: #fff;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

/* Workflow Tabs */
.workflow-tabs {
  background: var(--bg-light, #F9FAFB);
  border-bottom: 1px solid var(--border-color);
  padding: 0 18px;
}

.tab-list {
  display: flex;
  gap: 0;
  overflow-x: auto;
}

.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.tab:hover {
  color: var(--text);
  background: rgba(0, 178, 204, 0.05);
}

.tab.active {
  color: var(--primary-cyan);
  border-bottom-color: var(--primary-cyan);
  background: #fff;
}

.tab-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border-color);
  font-size: 12px;
  font-weight: 600;
}

.tab.active .tab-number {
  background: var(--primary-cyan);
  color: #fff;
}

/* Model Workspace */
.model-workspace {
  height: calc(100vh - 220px);
  min-height: 600px;
}

.model-layout {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  height: 100%;
  gap: 1px;
  background: var(--border-color);
}

.model-sidebar,
.properties-panel {
  background: #fff;
  overflow-y: auto;
}

.model-canvas {
  display: flex;
  flex-direction: column;
  background: #fafafa;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.panel-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
}

.panel-actions {
  display: flex;
  gap: 4px;
}

.btn-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s;
}

.btn-icon:hover {
  background: var(--bg-light);
}

/* Canvas Toolbar */
.canvas-toolbar {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
}

.tool-group,
.view-controls {
  display: flex;
  gap: 4px;
}

.tool-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.2s;
}

.tool-btn:hover {
  background: var(--bg-light);
  transform: translateY(-1px);
}

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

/* Viewer */
.viewer-container {
  flex: 1;
  position: relative;
  background: #fff;
  overflow: hidden;
}

#struct-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.struct-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.canvas-status {
  display: flex;
  gap: 16px;
  padding: 8px 16px;
  background: var(--primary-dark);
  color: #fff;
  font-size: 12px;
  font-family: 'Courier New', monospace;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Model Tree */
.model-tree {
  padding: 8px;
}

.tree-section {
  margin-bottom: 8px;
}

.tree-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  position: relative;
}

.tree-header:hover {
  background: var(--bg-light);
}

.expand-icon {
  font-size: 10px;
  color: var(--text-secondary);
}

.btn-add {
  margin-left: auto;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-cyan);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s;
}

.tree-header:hover .btn-add {
  opacity: 1;
}

.tree-items {
  padding-left: 28px;
  margin-top: 4px;
}

.tree-item {
  padding: 6px 12px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
  transition: all 0.15s;
}

.tree-item:hover {
  background: rgba(0, 178, 204, 0.08);
  color: var(--text);
  transform: translateX(2px);
}

.element-icon {
  display: inline-block;
  width: 16px;
  text-align: center;
  color: var(--primary-dark);
  font-weight: bold;
}

/* Properties Panel */
.properties-content {
  padding: 0;
}

.property-section {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}

.property-section h4 {
  margin: 0 0 16px 0;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.input-with-unit {
  display: flex;
  gap: 4px;
}

.btn-catalog {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 16px;
}

.btn-catalog:hover {
  background: var(--bg-light);
}

.section-selector select {
  width: 100%;
}

.support-toggles {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Load Workspace */
.loads-workspace {
  padding: 18px;
}

.loads-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.action-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-light);
  padding: 4px;
  border-radius: 8px;
}

.action-tab {
  padding: 8px 16px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.action-tab:hover {
  background: rgba(0, 0, 0, 0.05);
}

.action-tab.active {
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Loadcase Cards */
.loadcases-panel {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.loadcase-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  transition: all 0.2s;
}

.loadcase-card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.loadcase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.loadcase-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.loadcase-id {
  font-weight: 600;
  color: var(--primary-dark);
  font-family: 'Courier New', monospace;
}

.loadcase-name {
  color: var(--text);
}

.loadcase-actions {
  display: flex;
  gap: 4px;
}

.loadcase-summary {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.load-item::before {
  content: '• ';
  color: var(--primary-cyan);
}

/* Action Cards */
.wizard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 20px 0;
}

.action-card {
  background: #fff;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.action-card:hover {
  border-color: var(--primary-cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 178, 204, 0.15);
}

.action-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.action-card h4 {
  margin: 0 0 4px 0;
  color: var(--primary-dark);
}

/* Analysis Results */
.analysis-workspace {
  padding: 18px;
}

.results-layout {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.results-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.result-tabs {
  display: flex;
  gap: 8px;
}

.result-tab {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  font-size: 13px;
}

.result-tab:hover {
  background: var(--bg-light);
}

.result-tab.active {
  background: var(--primary-cyan);
  color: #fff;
  border-color: var(--primary-cyan);
}

.result-controls {
  display: flex;
  gap: 8px;
}

/* Diagram Container */
.diagram-container {
  padding: 16px;
}

.diagram-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--bg-light);
  border-radius: 8px;
  margin-bottom: 16px;
}

.diagram-type-selector {
  display: flex;
  gap: 4px;
}

.diagram-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.diagram-btn:hover {
  background: var(--bg-light);
}

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

.diagram-options {
  display: flex;
  gap: 12px;
  align-items: center;
}

.diagram-viewer {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  min-height: 400px;
  padding: 16px;
}

.diagram-svg {
  width: 100%;
  height: 100%;
}

/* Results Table */
.results-table-container {
  margin-top: 16px;
  overflow-x: auto;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
}

.results-table th {
  background: var(--bg-light);
  padding: 10px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
}

.results-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  font-family: 'Courier New', monospace;
}

.results-table .highlight {
  background: rgba(255, 153, 0, 0.1);
  font-weight: 600;
}

.results-table .extrema-max {
  background: rgba(239, 68, 68, 0.05);
}

.results-table .extrema-min {
  background: rgba(34, 197, 94, 0.05);
}

/* Design Checks */
.design-checks-workspace {
  padding: 18px;
}

.checks-layout {
  background: #fff;
  border-radius: 8px;
}

.code-selector-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.code-tabs {
  display: flex;
  gap: 8px;
}

.code-tab {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  font-size: 13px;
}

.code-tab:hover {
  background: var(--bg-light);
}

.code-tab.active {
  background: var(--primary-dark);
  color: #fff;
  border-color: var(--primary-dark);
}

.na-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

.na-selector label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Check Cards */
.checks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
  padding: 16px;
}

.check-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  transition: box-shadow 0.2s;
}

.check-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.check-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.check-header h4 {
  margin: 0;
  font-size: 14px;
  color: var(--primary-dark);
}

.utilization-badge {
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
}

.utilization-badge.low {
  background: #dcfce7;
  color: #166534;
}

.utilization-badge.medium {
  background: #fed7aa;
  color: #92400e;
}

.utilization-badge.high {
  background: #fee2e2;
  color: #991b1b;
}

.check-details {
  margin-bottom: 12px;
}

.check-row {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.check-label {
  min-width: 120px;
  color: var(--text-secondary);
  font-size: 13px;
}

.utilization-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-light);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 8px;
}

.utilization-fill {
  height: 100%;
  background: linear-gradient(90deg, 
    var(--primary-cyan) 0%, 
    var(--accent-orange) 80%, 
    #ef4444 100%);
  transition: width 0.3s ease;
}

.check-value {
  font-weight: 600;
  min-width: 60px;
  text-align: right;
}

.check-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.governing-case {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Combinations */
.combinations-workspace {
  padding: 18px;
}

.combinations-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.combinations-header h2 {
  margin: 0;
  color: var(--primary-dark);
}

.combination-controls {
  display: flex;
  gap: 8px;
}

.combinations-table {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 16px;
}

/* Report */
.report-workspace {
  padding: 18px;
}

.report-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.report-header h2 {
  margin: 0;
  color: var(--primary-dark);
}

.report-actions {
  display: flex;
  gap: 8px;
}

.report-options {
  margin-bottom: 16px;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.report-preview {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  min-height: 400px;
}

/* Forms */
.form-select-sm {
  padding: 6px 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}

/* Empty States */
.empty-state {
  padding: 32px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.results-container {
  padding: 16px;
}

/* Responsive */
@media (max-width: 1400px) {
  .model-layout {
    grid-template-columns: 240px 1fr 280px;
  }
  
  .checks-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

@media (max-width: 1200px) {
  .model-layout {
    grid-template-columns: 1fr;
  }
  
  .model-sidebar,
  .properties-panel {
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 100;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s;
    width: 320px;
  }
  
  .model-sidebar {
    left: 0;
  }
  
  .properties-panel {
    right: 0;
    left: auto;
    transform: translateX(100%);
  }
  
  .model-sidebar.open,
  .properties-panel.open {
    transform: translateX(0);
  }
  
  .tab-list {
    overflow-x: scroll;
  }
  
  .wizard-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .loadcases-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .struct-header {
    padding: 12px;
  }
  
  .project-context-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .header-actions {
    width: 100%;
    display: flex;
    justify-content: flex-end;
  }
  
  .model-workspace {
    height: calc(100vh - 280px);
  }
  
  .checks-grid {
    grid-template-columns: 1fr;
  }
  
  .tab {
    padding: 12px 16px;
  }
  
  .tab-label {
    display: none;
  }
  
  .tab-number {
    width: 32px;
    height: 32px;
  }
  
  .canvas-toolbar {
    padding: 8px;
  }
  
  .tool-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
}

/* Utilities */
.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

.btn-outline {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-light);
}

.form-select {
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-family: inherit;
}

/* Print Styles */
@media print {
  .model-sidebar,
  .properties-panel,
  .canvas-toolbar,
  .header-actions {
    display: none;
  }
  
  .model-layout {
    grid-template-columns: 1fr;
  }
  
  .model-canvas {
    border: 1px solid #000;
  }
}