/* Workflow Automation Studio - Main Styles */
:root {
    /* Colors */
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --secondary: #10B981;
    --secondary-dark: #059669;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --success: #10B981;
    
    /* Backgrounds */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-card: #1E293B;
    --bg-hover: #2D3748;
    
    /* Text */
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Borders */
    --border-color: #334155;
    --border-light: #475569;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

code, pre {
    font-family: 'JetBrains Mono', monospace;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    height: 64px;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    min-width: 300px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo i {
    font-size: 1.5rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.version {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.workflow-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.workflow-name-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    width: 200px;
}

.workflow-name-input:focus {
    outline: none;
    background: var(--bg-tertiary);
}

.workflow-status {
    display: flex;
    gap: var(--spacing-sm);
}

.status-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-badge.saved {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.nodes {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.header-center {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-md);
}

#zoomLevel {
    min-width: 50px;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 300px;
    justify-content: flex-end;
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

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

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

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

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.btn-icon[data-active="true"],
.btn-icon.active {
    background: var(--primary);
    color: white;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* Sidebars */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--transition-normal);
    overflow: hidden;
}

.sidebar.collapsed {
    width: 60px;
}

.right-sidebar {
    border-right: none;
    border-left: 1px solid var(--border-color);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    height: 56px;
    flex-shrink: 0;
}

.sidebar-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.sidebar-search {
    position: relative;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-search input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.sidebar-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.sidebar-search i {
    position: absolute;
    left: 28px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.category-tab {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.category-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.agent-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.agent-item {
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: grab;
    transition: all var(--transition-fast);
    user-select: none;
}

.agent-item:hover {
    background: var(--bg-hover);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.agent-item:active {
    cursor: grabbing;
}

.agent-item.dragging {
    opacity: 0.5;
}

.agent-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.agent-icon.trigger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.agent-icon.action { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.agent-icon.ai { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }
.agent-icon.data { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.agent-icon.integration { background: rgba(59, 130, 246, 0.1); color: var(--info); }

.agent-name {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.agent-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.agent-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}

.agent-tag {
    font-size: 0.625rem;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Properties Panel */
.properties-content {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

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

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

.properties-section h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.property-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    padding: 6px 0;
}

.property-row {
    display: flex;
    gap: var(--spacing-sm);
}

.property-input.small {
    width: 50%;
}

.property-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.property-description {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.75rem;
}

.btn-sm i {
    font-size: 0.7rem;
}

.no-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
}

.no-selection i {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.property-group {
    margin-bottom: var(--spacing-lg);
}

.property-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
}

.property-group-header h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.property-item {
    margin-bottom: var(--spacing-md);
}

.property-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.property-input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.property-input:focus {
    outline: none;
    border-color: var(--primary);
}

.property-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

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

.property-textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    resize: vertical;
    min-height: 80px;
}

.property-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.workflow-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

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

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

/* Bottom Panel */
.bottom-panel {
    height: 200px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: height var(--transition-normal);
}

.bottom-panel.collapsed {
    height: 40px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    height: 56px;
    flex-shrink: 0;
}

.panel-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.panel-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.log-filters {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.log-filter {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.log-filter:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.log-filter.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.log-entries {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
}

.log-entry {
    padding: 4px 8px;
    margin-bottom: 4px;
    border-radius: var(--radius-sm);
    display: flex;
    gap: 12px;
    align-items: center;
}

.log-entry.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.log-entry.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.log-entry.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.log-entry.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.log-entry.debug {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-muted);
}

.log-time {
    min-width: 60px;
    opacity: 0.7;
}

.log-level {
    min-width: 60px;
    font-weight: 600;
}

.log-message {
    flex: 1;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-content.modal-lg {
    max-width: 900px;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: translateY(0);
}

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-body {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Context Menus */
.context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: var(--z-popover);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: all var(--transition-fast);
}

.context-menu.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.context-menu-item {
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.context-menu-item:hover {
    background: var(--bg-hover);
}

.context-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* Execution Progress */
.execution-progress {
    margin-bottom: var(--spacing-lg);
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

.execution-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.execution-step {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
}

.execution-step.success {
    border-left: 3px solid var(--success);
}

.execution-step.error {
    border-left: 3px solid var(--danger);
}

.execution-step.running {
    border-left: 3px solid var(--primary);
}

.execution-step.pending {
    border-left: 3px solid var(--text-muted);
}

.step-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.step-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.step-icon.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.step-icon.running {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.step-icon.pending {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-muted);
}

.step-info {
    flex: 1;
}

.step-name {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2px;
}

.step-details {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Template Grid */
.modal-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.template-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
    cursor: default;
    display: flex;
    flex-direction: column;
}

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

.template-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.template-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.template-category {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.template-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.template-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.template-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.template-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.template-use-btn {
    margin-top: auto;
}

/* Chat Assistant Panel */
.chat-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    max-height: 520px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
}

.chat-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(79, 70, 229, 0.08);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
}

.chat-header-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-header-info span {
    font-size: 0.65rem;
    color: var(--success);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 200px;
    max-height: 340px;
}

.chat-message {
    display: flex;
    gap: 8px;
    max-width: 90%;
}

.chat-message.assistant {
    align-self: flex-start;
}

.chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-msg-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    flex-shrink: 0;
}

.chat-message.assistant .chat-msg-avatar {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.chat-message.user .chat-msg-avatar {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.chat-bubble {
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    line-height: 1.5;
}

.chat-message.assistant .chat-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-message.user .chat-bubble {
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-bubble .chat-action {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 10px;
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: var(--radius-md);
    color: var(--primary-light);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-bubble .chat-action:hover {
    background: rgba(79, 70, 229, 0.35);
}

.chat-input-area {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.chat-input-area input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.8rem;
}

.chat-input-area input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-send-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--primary);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.chat-send-btn:hover {
    background: var(--primary-dark);
}

.chat-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-modal);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-toggle-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.chat-toggle-btn.hidden {
    display: none;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.chat-suggestion {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-suggestion:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(79, 70, 229, 0.1);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.dragging {
    opacity: 0.5;
    cursor: grabbing !important;
}

.selected {
    box-shadow: 0 0 0 2px var(--primary) !important;
}

.connecting {
    cursor: crosshair !important;
}

/* Notification Animation */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

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

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* Responsive */
@media (max-width: 1200px) {
    .sidebar {
        width: 240px;
    }
    
    .header-left,
    .header-right {
        min-width: 250px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }
    
    .header-left,
    .header-right {
        min-width: 200px;
    }
    
    .workflow-name-input {
        width: 150px;
    }
}