renderer/css/components.css

/**
 * ============================================================================
 * CHAHUA DATABASE MANAGER - COMPONENTS CSS
 * ============================================================================
 * 
 * @fileoverview UI component styles for database manager application
 * @author Chahua Development Thailand
 * @version 1.0.0
 * 
 * @description
 * This file contains styles for reusable UI components including:
 * - Modal dialogs (z-index: 1000-2000)
 * - Tooltips and popups (z-index: 2000-10000) 
 * - Loading overlays (z-index: 10000)
 * - Form elements and buttons
 * - Grid components and toolbars
 * 
 * @dependencies
 * - themes.css (CSS variables)
 * - app.css (base styles)
 * 
 * @z-index-hierarchy
 * 1000  - Modal base layer
 * 2000  - Tooltips, dropdowns
 * 10000 - Loading overlays, critical popups
 * 
 * @warning
 * Be careful when modifying z-index values as they affect stacking order
 * across the entire application. Test thoroughly after changes.
 */

/* ============================================================================
   MODAL SYSTEM
   ============================================================================
   
   @component Modal
   @description Base modal dialog system for connection forms, settings, etc.
   @related-js showConnectionModal(), hideConnectionModal() in app.js
   @z-index 1000 (base modal layer)
   
   @structure
   .modal (container)
   ├── .modal-overlay (backdrop)
   └── .modal-content (dialog box)
       ├── .modal-header
       ├── .modal-body  
       └── .modal-footer
   
   @states
   .modal.active - Shows the modal (display: flex)
   
   @known-issues
   - May conflict with AG Grid popups (z-index: 99999)
   - Loading overlay (z-index: 10000) can block modal
   ============================================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001; /* @z-index MODAL FIX - Above loading overlay (10000) but below AG Grid (99999) */
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex; /* @state Active modal becomes visible */
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7); /* @backdrop Semi-transparent dark overlay */
    backdrop-filter: blur(2px); /* @effect Modern blur effect for backdrop */
}

.modal-content {
    /* @layout Modal dialog box container */
    background-color: var(--bg-secondary); /* @theme-var Secondary background from themes.css */
    border: 1px solid var(--border-color); /* @theme-var Border color from themes.css */
    border-radius: var(--border-radius-lg); /* @theme-var Large border radius */
    box-shadow: var(--shadow-lg); /* @theme-var Large shadow for depth */
    width: 90%;
    max-width: 500px; /* @responsive Default modal width */
    max-height: 90vh; /* @responsive Prevent modal from being too tall */
    overflow: hidden; /* @layout Hide scrollbars, content should scroll internally */
    position: relative;
    z-index: 1; /* @z-index Relative positioning above overlay */
}

/* @variant Import Data Modal - Larger size for data import forms */
.modal-content.import-data-modal {
    max-width: 700px; /* @responsive Wider for import data forms */
    width: 95%;
}

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

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

.modal-body {
    padding: var(--spacing-md) var(--spacing-lg);
    max-height: calc(90vh - 200px);
    overflow-y: auto;
}

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

/* ============================================================================
   TOAST NOTIFICATION SYSTEM
   ============================================================================
   
   @component Toast Notifications
   @description Toast notification system for user feedback messages
   @purpose Display success, error, warning, and info messages to users
   @related-js showToast(), hideToast() functions in ui.js
   @z-index 2000 (above modals but below context menus)
   
   @structure
   .toast-container (fixed container)
   └── .toast (individual notification)
       ├── .toast-icon (status icon)
       ├── .toast-content 
       │   ├── .toast-title
       │   └── .toast-message
       └── .toast-close (close button)
   
   @variants
   .toast-success - Green border for success messages
   .toast-error   - Red border for error messages  
   .toast-warning - Yellow border for warning messages
   .toast-info    - Blue border for info messages
   
   @animations
   slideInRight  - Toast enters from right side
   slideOutRight - Toast exits to right side
   ============================================================================ */

.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.toast {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    animation: slideInRight 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.toast.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast.toast-error {
    border-left: 4px solid var(--error-color);
}

.toast.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast.toast-info {
    border-left: 4px solid var(--info-color);
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.toast-message {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    flex-shrink: 0;
    transition: all 0.2s;
}

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

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

.toast.removing {
    animation: slideOutRight 0.3s ease-in forwards;
}

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

/* Enhanced DBeaver-style Context Menu */
/* ============================================================================
   CONTEXT MENU SYSTEM
   ============================================================================
   
   @component ContextMenu  
   @description Right-click context menus for tables, rows, etc.
   @z-index 10000 (highest priority - above modals and tooltips)
   
   @warning 
   This z-index is intentionally very high to ensure context menus
   appear above ALL other elements including modals. This could
   potentially block modal dialogs if context menu is open.
   
   @related-js Context menu handlers in app.js
   ============================================================================ */

.context-menu {
    position: fixed;
    background-color: var(--bg-secondary); /* @theme-var Secondary background */
    border: 1px solid var(--border-color); /* @theme-var Border color */
    border-radius: var(--border-radius); /* @theme-var Standard border radius */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); /* @shadow Custom shadow for depth */
    padding: 4px 0;
    min-width: 220px;
    z-index: 10000; /* @z-index CRITICAL - Above everything including modals */
    display: none; /* @state Hidden by default */
    backdrop-filter: blur(10px); /* @effect Modern blur backdrop */
    animation: contextMenuFadeIn 0.15s ease-out; /* @animation Smooth entrance */
}

@keyframes contextMenuFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.context-menu.active {
    display: block;
}

.context-menu-section {
    padding: 2px 0;
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 12px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
    user-select: none;
    white-space: nowrap;
    justify-content: space-between;
}

.context-menu-item .shortcut {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: var(--font-mono);
}

.context-menu-item:hover {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-primary-light, var(--accent-primary)));
    color: var(--text-primary);
    box-shadow: inset 3px 0 0 var(--accent-primary-dark, var(--accent-primary));
}

.context-menu-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.context-menu-item.disabled:hover {
    background-color: transparent;
    color: var(--text-secondary);
    box-shadow: none;
}

.context-menu-separator {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
    opacity: 0.6;
}

.context-menu-item .menu-icon {
    font-size: 14px;
    width: 16px;
    display: inline-block;
    text-align: center;
}

/* Table Context Menu Specific Styles */
.table-context-menu {
    min-width: 240px;
}

/* Specific action colors and styling */
.context-menu-item[data-action="openData"],
.context-menu-item[data-action="openStructure"] {
    color: var(--primary-color, #007acc);
}

.context-menu-item[data-action="generateSelect"],
.context-menu-item[data-action="generateInsert"],
.context-menu-item[data-action="generateUpdate"],
.context-menu-item[data-action="generateDelete"] {
    color: var(--info-color, #17a2b8);
}

.context-menu-item[data-action="showIndexes"],
.context-menu-item[data-action="showConstraints"],
.context-menu-item[data-action="showTriggers"] {
    color: var(--secondary-color, #6c757d);
}

.context-menu-item[data-action="exportData"],
.context-menu-item[data-action="importData"] {
    color: var(--success-color, #28a745);
}

.context-menu-item[data-action="duplicateTable"],
.context-menu-item[data-action="renameTable"],
.context-menu-item[data-action="analyzeTable"] {
    color: var(--info-color, #17a2b8);
}

.context-menu-item[data-action="truncateTable"] {
    color: var(--warning-color, #ffc107);
    font-weight: 600;
}

.context-menu-item[data-action="dropTable"] {
    color: var(--error-color, #dc3545);
    font-weight: 700;
}

.context-menu-item[data-action="copyTableName"],
.context-menu-item[data-action="refreshTable"] {
    color: var(--text-muted);
}

/* Enhanced hover effects for dangerous actions */
.context-menu-item[data-action="truncateTable"]:hover {
    background: var(--warning-color, #ffc107) !important;
    color: white !important;
    box-shadow: inset 3px 0 0 #e0a800 !important;
}

.context-menu-item[data-action="dropTable"]:hover {
    background: var(--error-color, #dc3545) !important;
    color: white !important;
    box-shadow: inset 3px 0 0 #c82333 !important;
}

/* ============================================================================
   DROPDOWN COMPONENT SYSTEM
   ============================================================================
   
   @component Dropdown
   @description Custom dropdown menus for filtering, selection, etc.
   @purpose Provide user-friendly selection interface with custom styling
   @related-js Dropdown handlers in ui.js or app.js
   @z-index Auto-positioned based on content flow
   
   @structure
   .dropdown (container)
   ├── .dropdown-toggle (clickable trigger button)
   └── .dropdown-menu (popup menu content)
       └── .dropdown-item (individual menu options)
   
   @states
   .dropdown-toggle.active - When dropdown is open
   .dropdown-menu.show    - When menu is visible
   
   @usage
   Used for table filtering, connection type selection, etc.
   ============================================================================ */

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.dropdown-toggle:hover {
    background-color: var(--bg-hover);
}

.dropdown-toggle.active {
    border-color: var(--accent-primary);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.dropdown.active .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* ============================================================================
   TABLE VIEWER COMPONENTS
   ============================================================================
   
   @component TableViewer
   @description Database table viewing interface with AG Grid integration
   @purpose Display and interact with database table data
   @related-js Database table handlers in database.js, AG Grid in app.js
   @integration Works with AG Grid Community Edition
   
   @structure
   .table-viewer (main container)
   ├── .table-toolbar (top toolbar with table name and actions)
   │   ├── .table-name (table title)
   │   └── .table-actions (action buttons)
   ├── .table-content (main content area)
   │   └── .table-container (AG Grid container)
   └── .table-pagination (bottom pagination controls)
   
   @features
   - Responsive table layout
   - Integrated with AG Grid for data display
   - Toolbar with save/refresh actions
   - Pagination support
   ============================================================================ */

/* Table Viewer Components */
.table-viewer {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.table-toolbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.table-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

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

.table-container {
    flex: 1;
    overflow: auto;
    position: relative;
}

.table-pagination {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

.pagination-info {
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.page-numbers {
    display: flex;
    gap: var(--spacing-xs);
}

.page-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.page-number:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.page-number.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.prev-page,
.next-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.prev-page:hover:not(:disabled),
.next-page:hover:not(:disabled) {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.prev-page:disabled,
.next-page:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================================
   QUERY RESULTS VIEWER
   ============================================================================
   
   @component QueryResults
   @description SQL query results display interface
   @purpose Show query execution results with metadata
   @related-js Query execution handlers in query-editor.js
   @integration Works with AG Grid for result data display
   
   @structure
   .query-results (main container)
   ├── .results-info (execution metadata bar)
   └── .results-table-container (AG Grid results)
   
   @features
   - Query execution time display
   - Row count information
   - Scrollable results table
   ============================================================================ */

/* Query Results */
.query-results {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.results-info {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
}

.results-table-container {
    flex: 1;
    overflow: auto;
}

/* ============================================================================
   CODE EDITOR COMPONENTS
   ============================================================================
   
   @component CodeEditor
   @description SQL code editor with syntax highlighting and line numbers
   @purpose Provide enhanced SQL editing experience
   @related-js Query editor functionality in query-editor.js
   @features SQL syntax highlighting, line numbers, auto-complete
   
   @structure
   .code-editor (main container)
   ├── .editor-line-numbers (left gutter with line numbers)
   └── .sql-editor.with-line-numbers (main editor area)
   
   @syntax-highlighting
   .sql-keyword  - SQL keywords (SELECT, FROM, etc.)
   .sql-string   - String literals
   .sql-comment  - Comments
   .sql-function - Built-in functions
   ============================================================================ */

/* Code Editor Enhancements */
.code-editor {
    position: relative;
}

.editor-line-numbers {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 50px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-xs);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    user-select: none;
    pointer-events: none;
    overflow: hidden;
}

.sql-editor.with-line-numbers {
    padding-left: 60px;
}

/* Syntax Highlighting (basic) */
.sql-keyword {
    color: #569cd6;
    font-weight: bold;
}

.sql-string {
    color: #ce9178;
}

.sql-comment {
    color: #6a9955;
    font-style: italic;
}

.sql-number {
    color: #b5cea8;
}

/* ============================================================================
   RESIZE HANDLE COMPONENT
   ============================================================================
   
   @component ResizeHandle
   @description Draggable handles for resizing panels and splitters
   @purpose Allow users to resize interface panels
   @related-js Resize handlers in ui.js
   @interaction Drag to resize adjacent panels
   
   @variants
   .resize-handle           - Vertical resize (left-right)
   .resize-handle.horizontal - Horizontal resize (up-down)
   
   @states
   :hover - Highlighted when mouse over
   ============================================================================ */

/* Resize Handle */
.resize-handle {
    width: 4px;
    background-color: var(--border-color);
    cursor: col-resize;
    transition: background-color 0.2s;
}

.resize-handle:hover {
    background-color: var(--accent-primary);
}

.resize-handle.horizontal {
    height: 4px;
    width: 100%;
    cursor: row-resize;
}

/* ============================================================================
   STATUS BAR COMPONENT
   ============================================================================
   
   @component StatusBar
   @description Bottom status bar displaying app status and information
   @purpose Show connection status, row counts, selection info, etc.
   @related-js Status updates in app.js and ui.js
   @position Fixed at bottom of application
   
   @structure
   .status-bar (main container)
   ├── .status-left (left-aligned status items)
   └── .status-right (right-aligned status items)
       └── .status-item (individual status indicators)
   
   @content-types
   - Connection status
   - Selected rows count
   - Query execution time
   - Current table information
   ============================================================================ */

/* Status Bar */
.status-bar {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 24px;
}

.status-left,
.status-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ============================================================================
   PROGRESS & LOADING COMPONENTS
   ============================================================================
   
   @component ProgressBar & LoadingStates
   @description Progress indicators and loading states for user feedback
   @purpose Show progress of operations and loading states
   @related-js Loading states in app.js, progress updates in ui.js
   
   @components
   .progress-bar     - Full-width progress bar
   .progress-fill    - Animated progress fill
   .btn.loading      - Button with loading spinner
   
   @states
   .btn.loading      - Button disabled with spinner overlay
   .progress-fill    - Animated width change for progress
   
   @animations
   spin - Rotating spinner for loading buttons
   ============================================================================ */

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

/* Mini Progress (in buttons) */
.btn.loading {
    position: relative;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn.loading span {
    opacity: 0;
}

/* Context Menu Styles (DBeaver-style) */
.context-menu {
    position: fixed;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs) 0;
    min-width: 200px;
    z-index: 10000;
    font-size: 13px;
    user-select: none;
}

.context-menu-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background-color 0.15s ease;
    white-space: nowrap;
}

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

.context-menu-item .menu-icon {
    margin-right: var(--spacing-sm);
    width: 16px;
    text-align: center;
    opacity: 0.8;
}

.context-menu-separator {
    height: 1px;
    background-color: var(--border-color);
    margin: var(--spacing-xs) 0;
}

.context-menu-item[data-action="copyTableName"] {
    font-family: var(--font-mono);
}

.context-menu-item[data-action="refreshTable"] {
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-sm);
}

/* Tree Context Menu */
.table-context-menu .context-menu-item {
    color: var(--text-primary);
}

.table-context-menu .context-menu-item:hover {
    background-color: var(--primary-color);
    color: var(--primary-contrast);
}

.table-context-menu .context-menu-item[data-action="generateSelect"] {
    color: var(--success-color);
}

.table-context-menu .context-menu-item[data-action="generateInsert"] {
    color: var(--info-color);
}

.table-context-menu .context-menu-item[data-action="generateUpdate"] {
    color: var(--warning-color);
}

.table-context-menu .context-menu-item[data-action="generateDelete"] {
    color: var(--danger-color);
}

/* ============================================================================
   IMPORT DATA MODAL COMPONENTS
   ============================================================================
   
   @component ImportDataModal
   @description Modal interface for importing data from various sources
   @purpose Allow users to import data from CSV, JSON, SQL files, etc.
   @related-js Import handlers in database.js
   @modal-type Large modal (.import-data-modal)
   
   @structure
   .import-options (grid layout for import types)
   └── .option-card (individual import option)
       ├── .option-icon (file type icon)
       ├── h4 (option title)
       └── p (option description)
   
   @states
   .option-card.active  - Selected import type
   .option-card:hover   - Hover effect with lift animation
   
   @import-types
   - CSV files
   - JSON data
   - SQL scripts
   - Excel files
   ============================================================================ */

/* Import Data Modal Styles */
.import-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.option-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.option-card:hover {
    border-color: var(--accent-color);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.option-card.active {
    border-color: var(--accent-color);
    background: var(--bg-hover);
    box-shadow: 0 0 0 1px var(--accent-color);
}

.option-card .option-icon {
    font-size: 32px;
    margin-bottom: 10px;
    display: block;
}

.option-card h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.option-card p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.3;
}

/* Form group styles for import modal */
.import-data-modal .form-group {
    margin-bottom: 20px;
}

.import-data-modal .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ============================================================================
   SMART SYNC TOGGLE COMPONENT
   ============================================================================
   
   @component SmartSyncToggle
   @description Toggle control for enabling smart synchronization features
   @purpose Allow users to enable/disable automatic sync between database and UI
   @related-js Smart sync handlers in app.js
   @feature Auto-refresh tables when database changes detected
   
   @structure
   .smart-sync-toggle (main toggle container)
   ├── .smart-sync-checkbox (checkbox input)
   ├── .smart-sync-label (descriptive label)
   └── .smart-sync-tooltip (help icon/text)
   
   @states
   input:checked + .smart-sync-label - Active sync state
   :hover - Hover effects for better UX
   
   @integration
   Works with database change detection and auto-refresh functionality
   ============================================================================ */

/* ============ Smart Sync Toggle Styles ============ */

.smart-sync-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
    font-size: 13px;
}

.smart-sync-toggle:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
}

.smart-sync-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.smart-sync-label {
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
}

.smart-sync-tooltip {
    opacity: 0.7;
    font-size: 12px;
    cursor: help;
}

.smart-sync-tooltip:hover {
    opacity: 1;
}

.smart-sync-toggle input:checked + .smart-sync-label {
    color: var(--accent-color);
    font-weight: 600;
}

.toolbar-item {
    display: flex;
    align-items: center;
}

/* ============================================================================
   SMART SYNC RESULTS DISPLAY
   ============================================================================
   
   @component SmartSyncResults
   @description Results panel showing smart sync operation outcomes
   @purpose Display sync status, conflicts, and resolution options
   @related-js Smart sync result processing in app.js
   @parent-component Smart Sync system
   
   @structure
   .smart-sync-results (main results container)
   ├── .smart-sync-header (header with title and summary)
   │   ├── h3 (results title)
   │   └── .smart-sync-summary (operation summary)
   └── [result content] (sync operation details)
   
   @content-types
   - Successful sync operations
   - Conflict resolution needed
   - Error reports
   - Performance statistics
   ============================================================================ */

/* ============ Smart Sync Results Styles ============ */

.smart-sync-results {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin: 10px;
}

.smart-sync-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.smart-sync-header h3 {
    margin: 0 0 12px 0;
    color: var(--accent-color);
    font-size: 18px;
}

.smart-sync-summary {
    display: flex;
    gap: 16px;
    margin: 12px 0;
    flex-wrap: wrap;
}

.summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 16px;
    border-radius: 6px;
    min-width: 80px;
    border: 1px solid transparent;
}

.summary-stat.success {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
}

.summary-stat.warning {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.2);
}

.summary-stat.error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.summary-stat.info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.stat-number {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.execution-info {
    color: var(--text-muted);
    font-size: 14px;
    margin: 8px 0 0 0;
}

.smart-sync-logs h4,
.smart-sync-errors h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    color: var(--text-primary);
}

.log-container,
.error-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 12px;
    max-height: 300px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.4;
}

.log-entry {
    padding: 2px 0;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    padding-left: 8px;
    margin: 2px 0;
}

.log-entry:hover {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.error-entry {
    margin: 8px 0;
    padding: 8px;
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid rgba(239, 68, 68, 0.5);
    border-radius: 4px;
}

.error-statement {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.error-message {
    color: #ef4444;
    font-size: 12px;
}

/* ============================================================================
   ROW EDIT MODAL COMPONENT
   ============================================================================
   
   @component RowEditModal
   @description Modal dialog for editing individual database table rows
   @purpose Allow users to edit row data with form validation
   @related-js Row editing handlers in app.js, database.js
   @modal-type Medium-sized modal for row editing
   
   @structure
   .modal-overlay (backdrop)
   └── .modal-dialog (main modal container)
       ├── .modal-header (title and close button)
       │   ├── h3 (modal title)
       │   └── .btn-close (close button)
       ├── .modal-body (form content)
       └── .modal-footer (action buttons)
   
   @features
   - Form validation
   - Field-specific input types
   - Save/cancel actions
   - Error handling display
   ============================================================================ */

/* Row Edit Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
}

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

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.btn-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

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

.modal-body {
    padding: var(--spacing-lg);
    max-height: 60vh;
    overflow-y: auto;
}

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

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.form-control:required {
    border-left: 3px solid var(--accent-color);
}

/* ============================================================================
   TABLE CRUD ACTION COMPONENTS
   ============================================================================
   
   @component TableCRUDActions
   @description Action buttons for Create, Read, Update, Delete operations on table data
   @purpose Provide user interface for database table operations
   @related-js CRUD handlers in app.js, database.js
   @integration Works with AG Grid row selection and edit modes
   
   @structure
   .table-actions (toolbar container)
   └── .btn-crud (action buttons)
       ├── .btn-add (create new row)
       ├── .btn-edit (edit selected row)
       └── .btn-delete (delete selected row)
   
   .row-actions (in-table row actions)
   └── .btn-row-action (individual row buttons)
       ├── .btn-edit-row (edit this row)
       ├── .btn-delete-row (delete this row)
       └── .btn-save-row (save row changes)
   
   @states
   :hover - Button hover effects with scaling
   :disabled - Disabled state for unavailable actions
   
   @color-coding
   Add/Edit buttons - Blue theme
   Delete buttons - Red theme (when implemented)
   Save buttons - Green theme (when implemented)
   ============================================================================ */

/* Table CRUD Action Buttons */
.table-actions {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.btn-crud {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-crud:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-color);
}

.btn-crud.btn-add {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.btn-crud.btn-add:hover {
    background-color: #1e40af;
}

.btn-crud.btn-edit {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.btn-crud.btn-edit:hover {
    background-color: #1e40af;
}

.btn-crud.btn-delete {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.btn-crud.btn-delete:hover {
    background-color: #1e40af;
}

/* Row Action Buttons in Table */
.row-actions {
    display: flex;
    gap: 4px;
}

.btn-row-action {
    padding: 2px 6px;
    border: none;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-edit-row {
    background-color: #3b82f6;
    color: white;
}

.btn-edit-row:hover {
    background-color: #1e40af;
    transform: scale(1.1);
}

.btn-delete-row {
    background-color: #3b82f6;
    color: white;
}

.btn-delete-row:hover {
    background-color: #1e40af;
    transform: scale(1.1);
}

.btn-save-row {
    background-color: #3b82f6;
    color: white;
}

.btn-save-row:hover {
    background-color: #1e40af;
    transform: scale(1.1);
}

/* Enhanced Row Actions with Tooltips */
.btn-row-action[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
}

.btn-row-action {
    position: relative;
}

/* ============================================================================
   DATABASE BROWSER SECTION COMPONENTS
   ============================================================================
   
   @component DatabaseBrowserSections
   @description Organized sections for database browser UI layout
   @purpose Structure the main interface into logical groups (tools, tables, etc.)
   @related-js Section management in app.js
   @layout Main application content organization
   
   @structure
   .section-header (sticky header with gradient background)
   ├── .section-title (title with icon)
   │   ├── .section-icon (section identifier icon)
   │   └── [title text]
   └── .section-content (main section content area)
   
   @sections
   .tools-section - Database tools and utilities
   .tables-section - Database tables listing
   .views-section - Database views
   .procedures-section - Stored procedures
   
   @styling
   - Gradient backgrounds for visual distinction
   - Sticky headers for navigation
   - Blue theme consistency
   - Border radius for modern appearance
   ============================================================================ */

/* =============================================
   DATABASE BROWSER SECTION STYLING
   ============================================= */

/* Section Headers */
.section-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: var(--spacing-md);
    margin-bottom: 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.section-icon {
    width: 16px;
    height: 16px;
    color: var(--accent-color);
}

/* Section Content */
.section-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

/* Section Specific Styling - ใช้สีน้ำเงินเท่านั้น */
.tools-section .section-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.tools-section .section-title strong {
    color: white;
}

.plugins-section .section-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.plugins-section .section-title strong {
    color: white;
}

.tables-section .section-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.tables-section .section-title strong {
    color: white;
}

/* Enhanced Tree Items - ลบแถบสีริม แต่เก็บแอนิเมชัน */
.tool-item {
    transition: all 0.2s ease;
}

.tool-item:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

/* Plugin Item - New Layout */
.plugin-item {
    transition: all 0.2s ease;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.plugin-item:hover {
    background-color: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Plugin Main Info */
.plugin-main-info {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.plugin-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.plugin-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 4px;
}

.plugin-title .tree-label {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
}

.plugin-author {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-style: italic;
}

.plugin-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: 4px;
}

/* Plugin Simple Actions (New Simple Design) */
.plugin-simple-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

/* Simple Plugin Buttons */
.simple-btn {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.simple-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.simple-btn.primary {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.simple-btn.primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

.simple-btn.secondary {
    background: #6b7280;
    color: white;
    border-color: #6b7280;
}

.simple-btn.secondary:hover {
    background: #4b5563;
    border-color: #4b5563;
}

.simple-btn.tertiary {
    background: #f59e0b;
    color: white;
    border-color: #f59e0b;
}

.simple-btn.tertiary:hover {
    background: #d97706;
    border-color: #d97706;
}

/* Simple Drop Area */
.simple-drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    padding: 12px;
    text-align: center;
    background: rgba(79, 172, 254, 0.05);
    transition: all 0.2s ease;
    color: var(--text-secondary);
    font-size: 14px;
}

.simple-drop-area:hover {
    border-color: #4facfe;
    background: rgba(79, 172, 254, 0.1);
}

.simple-drop-area.drag-over {
    border-color: #4facfe !important;
    background: rgba(79, 172, 254, 0.2) !important;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.3);
}

.simple-drop-area.drag-over::before {
    content: '📁 วางไฟล์ที่นี่';
    display: block;
    font-weight: bold;
    color: #4facfe;
}

/* Plugin Actions Vertical (Legacy - Hidden) */
.plugin-actions-vertical {
    display: none; /* ซ่อนเพื่อใช้ simple actions แทน */
}

/* Big Plugin Buttons */
.plugin-big-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
    min-height: 60px;
    font-family: inherit;
}

.plugin-big-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.plugin-big-btn .btn-icon {
    font-size: 1.8em;
    min-width: 40px;
    text-align: center;
}

.plugin-big-btn .btn-text {
    font-size: 1.1em;
    font-weight: 600;
    flex: 1;
}

.plugin-big-btn .btn-desc {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-left: auto;
}

/* Setup Button Specific */
.plugin-big-btn.setup-btn {
    border-color: #3b82f6;
}

.plugin-big-btn.setup-btn:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border-color: #1d4ed8;
}

.plugin-big-btn.setup-btn:hover .btn-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* Dump Button Specific */
.plugin-big-btn.dump-btn {
    border-color: #f093fb;
}

.plugin-big-btn.dump-btn:hover {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border-color: #f5576c;
}

.plugin-big-btn.dump-btn:hover .btn-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* Plugin Drop Area */
.plugin-drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    background: rgba(79, 172, 254, 0.05);
    transition: all 0.2s ease;
}

.plugin-drop-area:hover {
    border-color: #4facfe;
    background: rgba(79, 172, 254, 0.1);
}

.drop-zone-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9em;
}

.drop-zone-text .drop-icon {
    font-size: 1.2em;
}

.table-item {
    transition: all 0.2s ease;
}

.table-item:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

/* Plugin Info Layout */
.plugin-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.table-info {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Badges and Meta Information */
.tree-badge {
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tree-badge.version {
    background-color: #3b82f6;
    color: white;
}

.tree-badge.rows {
    background-color: #3b82f6;
    color: white;
}

.tree-badge:not(.version):not(.rows) {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.tree-meta.author {
    font-size: 11px;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Empty State */
.tree-section.empty .section-content {
    padding: var(--spacing-xl);
    text-align: center;
}

.tree-placeholder {
    color: var(--text-tertiary);
    font-style: italic;
}

/* Spacing between sections */
.tree-section + .tree-section {
    margin-top: var(--spacing-lg);
}

/* Section animations */
.tree-section {
    animation: slideInFromLeft 0.3s ease-out;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================================
   AG GRID ROW STATE INDICATORS (DBeaver-style)
   ============================================================================
   
   @component AGGridRowStates
   @description Visual indicators for database row modification states
   @purpose Show users which rows have been modified, added, or deleted
   @related-js Row state management in app.js, database operations
   @integration AG Grid Community Edition with custom row styling
   
   @row-states
   .ag-row-new      - Newly added rows (green border/background)
   .ag-row-modified - Modified existing rows (yellow border/background)
   .ag-row-deleted  - Deleted rows (red border/background + strikethrough)
   
   @visual-indicators
   - Color-coded left borders
   - Background color changes on hover
   - Cell-level emoji indicators (🆕📝🗑️)
   - Status badges in pinned columns
   
   @save-system
   .changes-status - Displays change count and save availability
   .save-changes   - Save button with pulse animation when changes exist
   
   @accessibility
   - Color + icon combinations for color-blind users
   - Clear visual distinction between states
   - Animation feedback for user actions
   ============================================================================ */

/* AG Grid Row States for DBeaver-like functionality */
.ag-row.ag-row-new {
    background-color: rgba(76, 175, 80, 0.1) !important;
    border-left: 3px solid #4caf50 !important;
}

.ag-row.ag-row-new:hover {
    background-color: rgba(76, 175, 80, 0.15) !important;
}

.ag-row.ag-row-modified {
    background-color: rgba(255, 193, 7, 0.1) !important;
    border-left: 3px solid #ffc107 !important;
}

.ag-row.ag-row-modified:hover {
    background-color: rgba(255, 193, 7, 0.15) !important;
}

.ag-row.ag-row-deleted {
    background-color: rgba(244, 67, 54, 0.1) !important;
    border-left: 3px solid #f44336 !important;
    text-decoration: line-through;
    opacity: 0.7;
}

.ag-row.ag-row-deleted:hover {
    background-color: rgba(244, 67, 54, 0.15) !important;
}

/* Row state indicators */
.ag-cell.ag-cell-new::before {
    content: "🆕";
    margin-right: 5px;
    font-size: 0.8em;
}

.ag-cell.ag-cell-modified::before {
    content: "📝";
    margin-right: 5px;
    font-size: 0.8em;
}

.ag-cell.ag-cell-deleted::before {
    content: "🗑️";
    margin-right: 5px;
    font-size: 0.8em;
}

/* Changes status indicator */
.changes-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius);
    font-size: 0.9em;
    font-weight: 500;
}

.changes-status.has-changes {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.changes-status.no-changes {
    color: var(--text-muted);
}

/* Save button enhanced states */
.btn.save-changes:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
    color: var(--text-muted);
}

.btn.save-changes:not(:disabled) {
    background-color: #4caf50;
    color: white;
    border-color: #4caf50;
    animation: pulse-save 2s infinite;
}

@keyframes pulse-save {
    0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

/* Table row number column with indicators */
.ag-pinned-left-cols-container .ag-row-new .ag-cell:first-child::after {
    content: "NEW";
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #4caf50;
    color: white;
    font-size: 9px;
    padding: 1px 3px;
    border-radius: 2px;
    font-weight: bold;
}

.ag-pinned-left-cols-container .ag-row-modified .ag-cell:first-child::after {
    content: "MOD";
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #ffc107;
    color: #333;
    font-size: 9px;
    padding: 1px 3px;
    border-radius: 2px;
    font-weight: bold;
}

/* ============================================================================
   AG GRID ROW ACTION BUTTONS & DELETED ROWS
   ============================================================================
   
   @component AG Grid Row Actions
   @description Action buttons (edit, delete) and styling for deleted rows
   @purpose Provide inline row actions and visual feedback for deleted rows
   @related-js deleteRowFromGrid(), editRowFromGrid() in app.js
   
   @structure
   .row-actions (container)
   ├── .btn-action.btn-delete (delete button)
   └── .btn-action.btn-edit (edit button)
   
   @states
   .ag-row-deleted - Styling for rows marked for deletion
   
   @features
   - Inline action buttons with hover effects
   - Visual feedback for deleted rows (red background, strikethrough)
   - Responsive button sizing
   ============================================================================ */

/* Action buttons container in AG Grid cells */
.row-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* Base styling for action buttons */
.btn-action {
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

/* Delete button styling */
.btn-action.btn-delete {
    color: var(--error-color);
}

.btn-action.btn-delete:hover {
    background-color: var(--error-color);
    color: white;
    border-color: var(--error-color);
    transform: scale(1.1);
}

/* Edit button styling */
.btn-action.btn-edit {
    color: var(--info-color);
}

.btn-action.btn-edit:hover {
    background-color: var(--info-color);
    color: white;
    border-color: var(--info-color);
    transform: scale(1.1);
}

/* Actions cell styling */
.actions-cell {
    padding: 0 !important;
}

/* Deleted row styling */
.ag-row-deleted {
    background-color: rgba(244, 67, 54, 0.1) !important;
    text-decoration: line-through;
    opacity: 0.7;
}

.ag-row-deleted .ag-cell {
    background-color: rgba(244, 67, 54, 0.1) !important;
    color: var(--error-color) !important;
    text-decoration: line-through;
}

.ag-row-deleted .row-actions .btn-action.btn-delete {
    color: var(--error-color);
    background-color: rgba(244, 67, 54, 0.2);
    border-color: var(--error-color);
}

.ag-row-deleted .row-actions .btn-action.btn-edit {
    opacity: 0.5;
    cursor: not-allowed;
}

.ag-row-deleted .row-actions .btn-action.btn-edit:hover {
    background: none;
    color: var(--text-muted);
    border-color: transparent;
    transform: none;
}

/* Make sure deleted row styling overrides other row states */
.ag-row.ag-row-deleted {
    background-color: rgba(244, 67, 54, 0.1) !important;
}

.ag-row.ag-row-deleted:hover {
    background-color: rgba(244, 67, 54, 0.15) !important;
}

/* Context menu improvements for AG Grid */
.ag-menu {
    border: 1px solid var(--border-color) !important;
    background-color: var(--bg-secondary) !important;
    box-shadow: var(--shadow-lg) !important;
}

.ag-menu-option {
    color: var(--text-primary) !important;
    background-color: transparent !important;
}

.ag-menu-option:hover {
    background-color: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.ag-menu-separator {
    border-color: var(--border-color) !important;
}

/* ============================================================================
   CANCEL BUTTON & SAVE/CANCEL BUTTON STATES
   ============================================================================
   
   @component Cancel Button
   @description Styling for cancel changes button and button states
   @purpose Provide visual feedback for save/cancel actions
   @related-js cancelGridChanges(), markGridAsModified() in app.js
   
   @states
   .save-changes - Active save button with warning color
   .cancel-changes - Active cancel button with danger color
   
   @features
   - Color-coded button states
   - Hover effects for better UX
   - Disabled state styling
   ============================================================================ */

/* Cancel button with danger color when active */
.btn.cancel-changes {
    background-color: var(--error-color) !important;
    border-color: var(--error-color) !important;
    color: white !important;
}

.btn.cancel-changes:hover {
    background-color: #d32f2f !important;
    border-color: #d32f2f !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(244, 67, 54, 0.3);
}

/* Save button with warning color when active */
.btn.save-changes {
    background-color: var(--warning-color) !important;
    border-color: var(--warning-color) !important;
    color: white !important;
}

.btn.save-changes:hover {
    background-color: #f57c00 !important;
    border-color: #f57c00 !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

/* Disabled button state */
.btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.btn:disabled:hover {
    background-color: inherit !important;
    border-color: inherit !important;
    transform: none !important;
    box-shadow: none !important;
}

/* ============================================================================
   DRAG & DROP FUNCTIONALITY
   ============================================================================
   
   @component Plugin Drag & Drop
   @description Styles for drag and drop functionality in plugin items
   @author Chahua Development Thailand
   @version 1.2.0
   
   @structure
   .plugin-item
   ├── .plugin-info
   │   ├── .tree-label
   │   └── .plugin-meta
   │       ├── .tree-badge.version
   │       ├── .tree-meta.author
   │       ├── .feature-badge.drag-drop
   │       └── .feature-badge.direct-run
   └── .plugin-drop-zone
       └── .drop-indicator
           ├── .drop-icon
           └── .drop-text
*/

/* Plugin item enhancements */
.plugin-item {
    position: relative;
    transition: all 0.3s ease;
}

.plugin-item.drag-over {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, rgba(0, 242, 254, 0.1) 100%);
    border-left: 3px solid var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.2);
}

/* Plugin meta styling */
.plugin-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
}

.plugin-meta .tree-meta.author {
    font-size: 0.8em;
    color: var(--text-muted);
    font-style: italic;
}

/* Feature badges - Updated */
.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 16px;
    font-size: 0.8em;
    font-weight: 600;
    text-align: center;
    cursor: help;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.feature-badge.drag-drop {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    border: 1px solid transparent;
}

.feature-badge.drag-drop:hover {
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    transform: scale(1.05);
}

.feature-badge.direct-run {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: 1px solid transparent;
}

.feature-badge.direct-run:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: scale(1.05);
}

.feature-badge.sql-dump {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border: 1px solid transparent;
}

.feature-badge.sql-dump:hover {
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    transform: scale(1.05);
}

/* Plugin drop zone - Legacy (can be removed if not used) */
.plugin-drop-zone {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.9) 0%, rgba(0, 242, 254, 0.9) 100%);
    border-radius: 8px;
    z-index: 10;
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    animation: dropZoneAppear 0.2s ease-out;
}

@keyframes dropZoneAppear {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Drop indicator */
.drop-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: white;
    text-align: center;
    padding: 10px;
}

.drop-icon {
    font-size: 2em;
    margin-bottom: 8px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.drop-text {
    font-size: 0.9em;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Version badge styling improvements */
.tree-badge.version {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Plugin info layout improvements */
.plugin-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.plugin-info .tree-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

/* Hover effects for plugin items */
.plugin-item:hover {
    background: var(--hover-background);
    border-radius: 6px;
}

.plugin-item:hover .feature-badge {
    transform: scale(1.05);
}

.plugin-item:hover .tree-badge.version {
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .plugin-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .feature-badge {
        font-size: 0.7em;
    }
    
    .drop-indicator {
        padding: 8px;
    }
    
    .drop-icon {
        font-size: 1.5em;
    }
    
    .drop-text {
        font-size: 0.8em;
    }
}

/* Dark theme adjustments */
.theme-dark .plugin-item.drag-over {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.2) 0%, rgba(0, 242, 254, 0.2) 100%);
}

.theme-dark .feature-badge.drag-drop {
    box-shadow: 0 2px 8px rgba(79, 172, 254, 0.3);
}

.theme-dark .feature-badge.direct-run {
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.theme-dark .tree-badge.version {
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
}