/**
 * Agent Registry Manager v2.0 Stylesheet
 * Three-panel layout: Left sidebar (modes), Main panel (agents), Right sidebar (details)
 * 
 * Modes: Browse, Hierarchy, Health, Integrity, Interfaces, Statistics
 */

/* ========== Reset & Variables ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Background colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    /* Text colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Border & dividers */
    --border-color: #334155;
    --border-light: #475569;
    
    /* Accent colors */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --purple-color: #8b5cf6;
    --teal-color: #14b8a6;
    --cyan-color: #06b6d4;
    --pink-color: #ec4899;
    --orange-color: #f97316;
    
    /* Agent type colors */
    --type-operations: #ec4899;
    --type-servicedomain: #8b5cf6;
    --type-service: #3b82f6;
    --type-workflow: #10b981;
    --type-task: #f59e0b;
    --type-subtask: #f97316;
    --type-interface: #06b6d4;
    
    /* Status colors */
    --status-planned: #64748b;
    --status-in-development: #f59e0b;
    --status-complete: #10b981;
    --status-implemented: #3b82f6;
    --status-active: #8b5cf6;
    
    /* Health colors */
    --health-excellent: #10b981;
    --health-good: #3b82f6;
    --health-warning: #f59e0b;
    --health-critical: #ef4444;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* ========== Main Layout ========== */
.agent-registry-manager {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ========== Header ========== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-left h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger-color);
}

.status-dot.connected {
    background: var(--success-color);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-actions .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.btn-validate {
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
    color: white;
}

.btn-validate:hover {
    background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
    transform: translateY(-1px);
}

.btn-ai {
    background: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    color: white;
}

.btn-ai:hover {
    background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 100%);
    transform: translateY(-1px);
}

.btn-add {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    color: white;
}

.btn-add:hover {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    transform: translateY(-1px);
}

.btn-refresh {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-refresh:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Validation timestamp */
.validation-timestamp {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

/* ========== Main Content (3-Panel Layout) ========== */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ========== Left Panel - Modes & Controls ========== */
.left-panel {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.panel-section {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.panel-section:last-child {
    border-bottom: none;
}

.panel-section h3 {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Mode Selector */
.mode-selector {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mode-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
}

.mode-option:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mode-option.active {
    background: var(--primary-color);
    color: white;
}

.mode-icon {
    font-size: 1rem;
    width: 1.5rem;
    text-align: center;
}

.mode-label {
    font-weight: 500;
    flex: 1;
}

.mode-badge {
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.mode-option:not(.active) .mode-badge {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Context Panel */
.context-panel {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.context-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.context-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.context-stat .stat-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.context-stat .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Context stat variants */
.context-stat.operations .stat-value { color: var(--type-operations); }
.context-stat.servicedomain .stat-value { color: var(--type-servicedomain); }
.context-stat.service .stat-value { color: var(--type-service); }
.context-stat.workflow .stat-value { color: var(--type-workflow); }
.context-stat.task .stat-value { color: var(--type-task); }
.context-stat.interface .stat-value { color: var(--type-interface); }
.context-stat.complete .stat-value { color: var(--success-color); }
.context-stat.warning .stat-value { color: var(--warning-color); }
.context-stat.critical .stat-value { color: var(--danger-color); }

/* View Toggle (for Browse mode) */
.view-toggle {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-primary);
    padding: 0.25rem;
    border-radius: var(--radius-md);
}

.view-btn {
    flex: 1;
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.view-btn.active {
    background: var(--primary-color);
    color: white;
}

/* Expand/Collapse Controls */
.expand-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.expand-controls .btn {
    flex: 1;
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.expand-controls .btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Search Box */
.search-box {
    margin-bottom: 0.75rem;
}

.search-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

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

/* Filter Controls */
.filter-group {
    margin-bottom: 0.75rem;
}

.filter-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.filter-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.filter-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Toggle checkbox */
.toggle-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.toggle-option input {
    accent-color: var(--primary-color);
}

.toggle-option:hover {
    color: var(--text-primary);
}

/* ========== Center Panel - Main View ========== */
.center-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* Panel Toolbar */
.panel-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toolbar-search {
    flex: 1;
    max-width: 300px;
}

.toolbar-search .search-input {
    width: 100%;
}

.toolbar-stats {
    margin-left: auto;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Panel Content */
.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* ========== Tree View ========== */
.tree-view {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    min-height: 200px;
}

.tree-node-container {
    margin-bottom: 0.25rem;
}

.tree-node {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: transparent;
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

.tree-node:hover {
    background: var(--bg-tertiary);
}

.tree-node.selected {
    background: rgba(59, 130, 246, 0.2);
    border-left-color: var(--primary-color);
}

/* Agent type border colors */
.tree-node.type-operations { border-left-color: var(--type-operations); }
.tree-node.type-servicedomain { border-left-color: var(--type-servicedomain); }
.tree-node.type-service { border-left-color: var(--type-service); }
.tree-node.type-workflow { border-left-color: var(--type-workflow); }
.tree-node.type-task { border-left-color: var(--type-task); }
.tree-node.type-subtask { border-left-color: var(--type-subtask); }
.tree-node.type-interface { border-left-color: var(--type-interface); }

.expand-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.expand-button:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.expand-spacer {
    width: 24px;
    display: inline-block;
}

.agent-icon {
    font-size: 1.25rem;
}

.agent-info {
    flex: 1;
    min-width: 0;
}

.agent-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agent-type-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-badge {
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: capitalize;
    font-weight: 500;
}

.status-badge.status-planned {
    background: rgba(100, 116, 139, 0.2);
    color: var(--status-planned);
}

.status-badge.status-in-development,
.status-badge.status-in_development {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-in-development);
}

.status-badge.status-complete {
    background: rgba(16, 185, 129, 0.2);
    color: var(--status-complete);
}

.status-badge.status-implemented {
    background: rgba(59, 130, 246, 0.2);
    color: var(--status-implemented);
}

.status-badge.status-active {
    background: rgba(139, 92, 246, 0.2);
    color: var(--status-active);
}

/* Tree children */
.tree-children {
    margin-left: 1.5rem;
    border-left: 1px dashed var(--border-color);
    padding-left: 0.5rem;
}

/* ========== Org Chart View ========== */
.org-chart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    min-height: 400px;
    overflow: auto;
}

.org-node-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.org-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    min-width: 180px;
    max-width: 240px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.org-node:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.org-node.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

/* Org node type colors */
.org-node.type-operations { border-color: var(--type-operations); }
.org-node.type-servicedomain { border-color: var(--type-servicedomain); }
.org-node.type-service { border-color: var(--type-service); }
.org-node.type-workflow { border-color: var(--type-workflow); }
.org-node.type-task { border-color: var(--type-task); }
.org-node.type-interface { border-color: var(--type-interface); }

.org-node-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.org-node-name {
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 0.25rem;
}

.org-node-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.org-children {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

/* Org chart connectors */
.org-node-wrapper.has-children > .org-node::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    width: 2px;
    height: 1.5rem;
    background: var(--border-color);
    transform: translateX(-1px);
}

.org-children::before {
    content: '';
    position: absolute;
    top: -1.5rem;
    height: 2px;
    background: var(--border-color);
    left: 10%;
    right: 10%;
}

.org-children > .org-node-wrapper::before {
    content: '';
    position: absolute;
    top: -1.5rem;
    left: 50%;
    width: 2px;
    height: 1.5rem;
    background: var(--border-color);
    transform: translateX(-1px);
}

.org-children:has(.org-node-wrapper:only-child)::before {
    display: none;
}

/* ========== Right Panel - Details ========== */
.right-panel {
    width: 400px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    transition: width var(--transition-normal);
}

.right-panel.collapsed {
    width: 0;
    border-left: none;
}

.right-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

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

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: 0.5rem;
}

.empty-state .hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Details Header */
.details-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.details-header-left {
    flex: 1;
}

.details-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.details-header .agent-type {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.close-button {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.close-button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Detail Sections */
.detail-section {
    margin-bottom: var(--spacing-lg);
}

.detail-section h3 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.detail-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.detail-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.detail-value {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Action Buttons */
.detail-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Agent Details Panel */
.agent-details-panel {
    padding: var(--spacing-md);
    height: 100%;
    overflow-y: auto;
}

.agent-details-panel .details-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.agent-details-panel .details-header-left h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.agent-details-panel .agent-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.agent-details-panel .detail-section {
    margin-bottom: var(--spacing-md);
}

.agent-details-panel .detail-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.agent-details-panel .detail-grid {
    display: grid;
    gap: 0.5rem;
}

.agent-details-panel .detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.375rem 0;
}

.agent-details-panel .detail-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.agent-details-panel .detail-value {
    font-size: 0.8125rem;
    color: var(--text-primary);
    text-align: right;
}

.agent-details-panel .status-display {
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.agent-details-panel .description-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.agent-details-panel .path-display {
    font-family: monospace;
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: block;
    word-break: break-all;
    color: var(--text-secondary);
}

/* Expandable sections */
.agent-details-panel .expandable-section {
    margin-bottom: 0.5rem;
}

.agent-details-panel .expandable-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.agent-details-panel .expandable-header:hover {
    color: var(--text-primary);
}

.agent-details-panel .expand-icon {
    font-size: 0.625rem;
    width: 1rem;
}

.agent-details-panel .item-count {
    margin-left: auto;
    background: rgba(100, 116, 139, 0.2);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.agent-details-panel .expandable-content {
    padding-left: 1.5rem;
}

.agent-details-panel .list-item {
    padding: 0.25rem 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.agent-details-panel .no-relationships {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0.25rem 0;
}

.agent-details-panel .relationships-content {
    margin-top: 0.5rem;
}

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

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: 0.875rem;
}

.action-btn {
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.edit-btn {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.edit-btn:hover {
    background: rgba(59, 130, 246, 0.3);
}

.wizard-btn {
    background: rgba(139, 92, 246, 0.2);
    color: #8b5cf6;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.wizard-btn:hover {
    background: rgba(139, 92, 246, 0.3);
}

.delete-btn {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.3);
}

.detail-actions .btn {
    flex: 1;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.btn-edit {
    background: var(--primary-color);
    color: white;
}

.btn-edit:hover {
    background: var(--primary-hover);
}

.btn-delete {
    background: transparent;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ========== Health Indicators ========== */
.health-score {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.health-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.health-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.health-bar-fill.excellent { background: var(--health-excellent); }
.health-bar-fill.good { background: var(--health-good); }
.health-bar-fill.warning { background: var(--health-warning); }
.health-bar-fill.critical { background: var(--health-critical); }

.health-value {
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

/* ========== Modal Dialog ========== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-form {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
}

/* Form Groups */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.625rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger-color);
}

.error-message {
    font-size: 0.75rem;
    color: var(--danger-color);
}

/* ========== Loading & Error States ========== */
.loading-container,
.error-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(148, 163, 184, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.error-icon {
    font-size: 3rem;
}

/* ========== Scrollbar Styling ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.5);
}

/* ========== Responsive ========== */
@media (max-width: 1200px) {
    .left-panel {
        width: 220px;
    }
    
    .right-panel {
        width: 350px;
    }
}

@media (max-width: 1024px) {
    .left-panel {
        width: 200px;
    }
    
    .right-panel {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 400px;
        z-index: 100;
        box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
    }
    
    .right-panel.collapsed {
        transform: translateX(100%);
    }
}

@media (max-width: 768px) {
    .left-panel {
        display: none;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
    
    .header-actions .btn {
        padding: 0.5rem;
    }
    
    .header-actions .btn span:not(.btn-icon) {
        display: none;
    }
}

/* ========== Browse List (Flat List View) ========== */
.browse-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    overflow-y: auto;
}

.browse-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.browse-item:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(148, 163, 184, 0.2);
}

.browse-item.selected {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary-color);
}

.browse-item-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
    flex-shrink: 0;
}

.browse-item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.browse-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.browse-item-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.browse-item-type {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-muted);
    flex-shrink: 0;
}

.browse-item-type.operations { background: rgba(236, 72, 153, 0.15); color: #ec4899; }
.browse-item-type.servicedomain { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.browse-item-type.service { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.browse-item-type.workflow { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.browse-item-type.task { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.browse-item-type.interface { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }

.browse-item-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.browse-item-meta .status-badge {
    font-size: 0.65rem;
    padding: 1px 6px;
}

.browse-item-meta .parent-ref {
    color: var(--text-muted);
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* View toggle button improvements */
.view-toggle {
    display: flex;
    gap: 4px;
}

.view-btn {
    flex: 1;
    padding: 6px 10px;
    font-size: 0.8rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.view-btn:hover {
    background: rgba(30, 41, 59, 0.8);
}

.view-btn.active {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.expand-controls {
    display: flex;
    gap: 4px;
    margin-top: var(--spacing-sm);
}

.expand-controls .btn {
    flex: 1;
    padding: 4px 8px;
    font-size: 0.75rem;
}