/**
 * Dungeon Map Builder - CSS Styles
 * All classes prefixed with 'dmb-' to avoid conflicts
 */

/* CSS Variables */
.dmb-app-container {
    /* Classic dungeon map colors */
    --dmb-color-solid: #4a90d9;
    --dmb-color-solid-dark: #3a7bc8;
    --dmb-color-open: #f5f5f0;
    --dmb-color-grid: #c0c0c0;
    --dmb-color-grid-dark: #a0a0a0;

    /* UI colors */
    --dmb-color-bg: #2a2a2a;
    --dmb-color-panel: #3a3a3a;
    --dmb-color-panel-light: #4a4a4a;
    --dmb-color-text: #e0e0e0;
    --dmb-color-text-muted: #a0a0a0;
    --dmb-color-accent: #4a90d9;
    --dmb-color-accent-hover: #5aa0e9;
    --dmb-color-border: #555;
    --dmb-color-success: #4caf50;
    --dmb-color-danger: #f44336;

    /* Dimensions */
    --dmb-library-width: 280px;
    --dmb-panel-width: 250px;
}

/* App Container */
.dmb-app-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--dmb-color-bg);
    color: var(--dmb-color-text);
    border-radius: 8px;
    overflow: visible; /* Changed from hidden to allow fixed elements to escape */
    margin: 20px 0;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
}

.dmb-app-container *,
.dmb-app-container *::before,
.dmb-app-container *::after {
    box-sizing: border-box;
}

/* Accessibility - Focus States */
.dmb-app-container button:focus-visible,
.dmb-app-container select:focus-visible,
.dmb-app-container input:focus-visible,
.dmb-app-container textarea:focus-visible,
.dmb-app-container [tabindex]:focus-visible {
    outline: 2px solid var(--dmb-color-accent);
    outline-offset: 2px;
}

/* First-time Hint Banner */
.dmb-hint-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.15) 0%, rgba(74, 144, 217, 0.05) 100%);
    border-left: 4px solid var(--dmb-color-accent);
    border-radius: 0 4px 4px 0;
    margin: 0 0 1px 0;
}

.dmb-hint-banner.hidden {
    display: none;
}

.dmb-hint-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.dmb-hint-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--dmb-color-text);
    line-height: 1.4;
}

.dmb-hint-text strong {
    color: var(--dmb-color-accent);
}

.dmb-hint-dismiss {
    background: none;
    border: none;
    color: var(--dmb-color-text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.dmb-hint-dismiss:hover {
    opacity: 1;
    color: var(--dmb-color-text);
}

/* Main Content Layout */
.dmb-main-content {
    display: flex;
    min-height: 500px;
    max-height: 85vh;
    position: relative;
}

/* Room Library Panel (Left) */
.dmb-library-panel {
    width: var(--dmb-library-width);
    background-color: var(--dmb-color-panel);
    border-right: 1px solid var(--dmb-color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.dmb-library-header {
    padding: 15px;
    border-bottom: 1px solid var(--dmb-color-border);
    flex-shrink: 0;
}

.dmb-library-header h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--dmb-color-text-muted);
    margin: 0 0 10px 0;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.dmb-library-header-actions {
    display: flex;
    gap: 8px;
}

.dmb-library-content {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.dmb-library-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.dmb-library-item {
    background-color: var(--dmb-color-panel-light);
    border: 2px solid transparent;
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0; /* Allow shrinking in grid */
    overflow: hidden;
}

.dmb-library-item:hover {
    border-color: var(--dmb-color-accent);
    background-color: rgba(74, 144, 217, 0.15);
}

.dmb-library-item.selected {
    border-color: var(--dmb-color-success);
    background-color: rgba(76, 175, 80, 0.15);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.3);
}

.dmb-library-preview {
    width: 70px;
    height: 70px;
    border-radius: 2px;
}

.dmb-library-name {
    font-size: 0.7rem;
    margin-top: 6px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    color: var(--dmb-color-text);
}

/* Room size badge */
.dmb-library-size-badge {
    font-size: 0.6rem;
    padding: 2px 4px;
    border-radius: 3px;
    margin-top: 4px;
    font-weight: bold;
}

.dmb-library-size-badge.size-small {
    background-color: #7986cb;
    color: white;
}

.dmb-library-size-badge.size-standard {
    background-color: #78909c;
    color: white;
}

.dmb-library-size-badge.size-large {
    background-color: #ff8a65;
    color: white;
}

/* Library Sections (Collapsible) */
.dmb-library-section {
    margin-bottom: 10px;
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    overflow: hidden;
}

.dmb-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background-color: var(--dmb-color-panel-light);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.dmb-section-header:hover {
    background-color: rgba(74, 144, 217, 0.2);
}

.dmb-section-toggle {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
    color: var(--dmb-color-text-muted);
}

.dmb-library-section.collapsed .dmb-section-toggle {
    transform: rotate(-90deg);
}

.dmb-section-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dmb-color-text);
    flex: 1;
}

.dmb-section-count {
    font-size: 0.7rem;
    color: var(--dmb-color-text-muted);
}

.dmb-section-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 10px;
    max-height: 400px;
    overflow-x: hidden;
    overflow-y: auto;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.dmb-library-section.collapsed .dmb-section-content {
    max-height: 0;
    padding: 0 10px;
    overflow: hidden;
}

/* Section Description - helps users understand each section */
.dmb-section-description {
    grid-column: 1 / -1;
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    line-height: 1.4;
    margin: 0 0 5px 0;
    padding: 8px;
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    border-left: 3px solid var(--dmb-color-accent);
}

/* Sidebar Tools Section Content (Draw Tools, Map Symbols) */
.dmb-sidebar-tools-content {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    grid-template-columns: none;
    max-height: 200px;
}

.dmb-sidebar-tools-content .dtg-tool-btn {
    flex: 1;
    min-width: 60px;
    padding: 8px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background-color: var(--dmb-color-panel-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.dmb-sidebar-tools-content .dtg-tool-btn:hover {
    background-color: var(--dmb-color-accent);
    border-color: var(--dmb-color-accent);
}

.dmb-sidebar-tools-content .dtg-tool-btn.active {
    background-color: var(--dmb-color-accent);
    border-color: var(--dmb-color-accent);
}

.dmb-sidebar-tools-content .dtg-tool-icon {
    font-size: 1.2rem;
}

.dmb-sidebar-tools-content .dtg-tool-label {
    font-size: 0.7rem;
}

/* Symbol Section Content (always visible in collapsible) */
.dmb-symbol-section-content {
    display: block;
    max-height: 500px;
}

.dmb-symbol-section-content .dmb-form-group {
    margin-bottom: 10px;
}

.dmb-symbol-section-content .dmb-symbol-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 10px;
    max-height: 150px;
    overflow-y: auto;
}

.dmb-symbol-section-content .dmb-symbol-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dmb-symbol-section-content .dmb-symbol-hint {
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    margin-top: 8px;
    margin-bottom: 0;
}

/* Random Generation Toggle */
.dmb-library-item-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--dmb-color-border);
}

.dmb-random-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.6rem;
    color: var(--dmb-color-text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.dmb-random-toggle:hover {
    background-color: rgba(74, 144, 217, 0.2);
}

.dmb-random-toggle input[type="checkbox"] {
    width: 12px;
    height: 12px;
    cursor: pointer;
    accent-color: var(--dmb-color-success);
}

.dmb-random-toggle.included {
    color: var(--dmb-color-success);
}

.dmb-random-toggle.excluded {
    color: var(--dmb-color-text-muted);
    opacity: 0.7;
}

.dmb-library-item.excluded-from-random {
    opacity: 0.6;
}

.dmb-library-item.excluded-from-random .dmb-library-preview {
    filter: grayscale(50%);
}

/* Editor Area (Center) */
.dmb-editor-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: var(--dmb-color-bg);
    min-width: 0;
    overflow: auto;
}

.dmb-canvas-and-controls {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    justify-content: center;
}

.dmb-canvas-wrapper {
    position: relative;
    background-color: var(--dmb-color-solid);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    line-height: 0;
    overflow: hidden;
    width: 800px;
    height: calc(70vh - 100px);
    min-height: 400px;
    max-width: calc(100vw - 400px);
    max-height: 600px;
}

.dmb-map-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 120px;
}

.dmb-map-controls-group {
    background-color: var(--dmb-color-panel);
    border-radius: 6px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dmb-map-controls-group h4 {
    margin: 0 0 4px 0;
    font-size: 0.85rem;
    color: var(--dmb-color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dmb-map-controls .dmb-action-btn {
    width: 100%;
    justify-content: center;
}

#dmb-map-canvas {
    display: block;
    cursor: grab;
}

#dmb-map-canvas:active {
    cursor: grabbing;
}

.dmb-editor-info {
    margin-top: 15px;
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--dmb-color-text-muted);
    flex-wrap: wrap;
    justify-content: center;
}

.dmb-zoom-info #dmb-zoom-level {
    color: var(--dmb-color-accent);
    font-weight: 600;
}

/* Toolbar Area */
.dmb-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--dmb-color-panel);
    border-radius: 4px;
    flex-wrap: wrap;
    justify-content: center;
}

.dmb-tool-group {
    display: flex;
    gap: 5px;
    align-items: center;
}

.dmb-tool-group::after {
    content: '';
    width: 1px;
    height: 30px;
    background-color: var(--dmb-color-border);
    margin: 0 5px;
}

.dmb-tool-group:last-child::after {
    display: none;
}

.dmb-tool-group-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--dmb-color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Generate Group */
.dmb-generate-group {
    background-color: rgba(76, 175, 80, 0.1);
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px dashed var(--dmb-color-success);
}

.dmb-toolbar-label {
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    margin-right: 5px;
}

/* Room size filters */
.dmb-room-sizes-label {
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    margin-left: 10px;
    margin-right: 5px;
}

.dmb-size-checkbox {
    display: inline-flex;
    align-items: center;
    font-size: 0.7rem;
    color: var(--dmb-color-text);
    margin-right: 8px;
    cursor: pointer;
}

.dmb-size-checkbox input[type="checkbox"] {
    margin-right: 3px;
    cursor: pointer;
}

.dmb-toolbar-select {
    padding: 4px 8px;
    background-color: var(--dmb-color-panel-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
    margin-right: 8px;
}

.dmb-toolbar-select:focus {
    outline: none;
    border-color: var(--dmb-color-accent);
}

.dmb-toolbar-select option {
    background-color: var(--dmb-color-panel);
    color: var(--dmb-color-text);
}

.dmb-tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    background-color: var(--dmb-color-panel-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    font-size: inherit;
    min-width: 60px;
}

.dmb-tool-btn:hover {
    background-color: var(--dmb-color-accent);
    border-color: var(--dmb-color-accent);
}

.dmb-tool-btn.active {
    background-color: var(--dmb-color-accent);
    border-color: var(--dmb-color-accent-hover);
    box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.3);
}

.dmb-tool-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.dmb-tool-label {
    font-size: 0.65rem;
    margin-top: 2px;
}

/* Properties Panel (Right) */
.dmb-properties-panel {
    width: var(--dmb-panel-width);
    background-color: var(--dmb-color-panel);
    border-left: 1px solid var(--dmb-color-border);
    padding: 15px;
    overflow-y: auto;
    flex-shrink: 0;
    max-height: 90vh;
}

.dmb-panel-section {
    margin-bottom: 20px;
}

.dmb-panel-section h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--dmb-color-text-muted);
    margin: 0 0 12px 0;
    padding: 0 0 8px 0;
    border-bottom: 1px solid var(--dmb-color-border);
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Form Elements */
.dmb-form-group {
    margin-bottom: 12px;
}

.dmb-form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--dmb-color-text-muted);
    margin-bottom: 4px;
}

.dmb-form-group input[type="text"] {
    width: 100%;
    padding: 8px 10px;
    background-color: var(--dmb-color-panel-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
    font-size: 0.9rem;
    font-family: inherit;
}

.dmb-form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--dmb-color-accent);
}

/* Checkbox styling */
.dmb-checkbox-group {
    margin-bottom: 8px;
}

.dmb-checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
}

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

/* Action Buttons */
.dmb-action-btn {
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 5px;
    background-color: var(--dmb-color-panel-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.dmb-action-btn:hover {
    background-color: var(--dmb-color-accent);
    border-color: var(--dmb-color-accent);
}

.dmb-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dmb-action-btn.dmb-small-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
    width: auto;
}

.dmb-action-btn.dmb-danger-btn {
    background-color: var(--dmb-color-danger);
    border-color: var(--dmb-color-danger);
}

.dmb-action-btn.dmb-danger-btn:hover:not(:disabled) {
    background-color: #d32f2f;
    border-color: #d32f2f;
}

/* ==========================================
   Standardized Button System
   Pattern: .dmb-btn-{variant}
   ========================================== */

/* Primary Button - Main actions (blue) */
.dmb-btn-primary,
.dmb-action-btn.dmb-btn-primary {
    background-color: var(--dmb-color-accent);
    border-color: var(--dmb-color-accent);
    color: #fff;
}

.dmb-btn-primary:hover:not(:disabled),
.dmb-action-btn.dmb-btn-primary:hover:not(:disabled) {
    background-color: var(--dmb-color-accent-hover);
    border-color: var(--dmb-color-accent-hover);
}

/* Success Button - Positive actions (green) */
.dmb-btn-success,
.dmb-action-btn.dmb-success-btn {
    background-color: var(--dmb-color-success);
    border-color: var(--dmb-color-success);
    color: #fff;
}

.dmb-btn-success:hover:not(:disabled),
.dmb-action-btn.dmb-success-btn:hover:not(:disabled) {
    background-color: #43a047;
    border-color: #43a047;
}

/* Danger Button - Destructive actions (red) */
.dmb-btn-danger,
.dmb-action-btn.dmb-danger-btn {
    background-color: var(--dmb-color-danger);
    border-color: var(--dmb-color-danger);
    color: #fff;
}

.dmb-btn-danger:hover:not(:disabled),
.dmb-action-btn.dmb-danger-btn:hover:not(:disabled) {
    background-color: #d32f2f;
    border-color: #d32f2f;
}

/* Warning Button - Caution actions (orange) */
.dmb-btn-warning,
.dmb-action-btn.dmb-btn-warning {
    background-color: #ff9800;
    border-color: #ff9800;
    color: #000;
}

.dmb-btn-warning:hover:not(:disabled),
.dmb-action-btn.dmb-btn-warning:hover:not(:disabled) {
    background-color: #f57c00;
    border-color: #f57c00;
}

/* Small Button Variant */
.dmb-btn-small,
.dmb-action-btn.dmb-small-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
    width: auto;
}

/* Secondary Button - Less prominent actions */
.dmb-btn-secondary,
.dmb-action-btn.dmb-btn-secondary {
    background-color: transparent;
    border-color: var(--dmb-color-border);
    color: var(--dmb-color-text);
}

.dmb-btn-secondary:hover:not(:disabled),
.dmb-action-btn.dmb-btn-secondary:hover:not(:disabled) {
    background-color: var(--dmb-color-panel-light);
    border-color: var(--dmb-color-text-muted);
}

/* Selected Room Info */
.dmb-selected-info {
    background-color: var(--dmb-color-panel-light);
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 10px;
}

.dmb-selected-label {
    font-size: 0.7rem;
    color: var(--dmb-color-text-muted);
    margin-bottom: 4px;
}

.dmb-selected-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dmb-color-text);
}

/* Selected Room Preview */
.dmb-selected-room-preview {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: var(--dmb-color-panel-light);
    border: 2px solid var(--dmb-color-border);
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.dmb-selected-room-preview canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.dmb-selected-room-placeholder {
    color: var(--dmb-color-text-muted);
    font-size: 0.85rem;
    text-align: center;
    padding: 10px;
}

/* Rotation Control */
.dmb-rotation-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.dmb-rotation-value {
    font-weight: bold;
    color: var(--dmb-color-accent);
    min-width: 40px;
}

/* Modal */
.dmb-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100000;
    align-items: center;
    justify-content: center;
}

.dmb-modal.active {
    display: flex;
}

.dmb-modal-content {
    background-color: var(--dmb-color-panel);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.dmb-modal-small .dmb-modal-content {
    max-width: 400px;
}

/* Keyboard Shortcuts Modal */
.dmb-shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dmb-shortcut-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.dmb-shortcut-item kbd {
    display: inline-block;
    min-width: 70px;
    padding: 6px 12px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    background-color: var(--dmb-color-bg);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    box-shadow: 0 2px 0 var(--dmb-color-border);
}

.dmb-shortcut-item span {
    color: var(--dmb-color-text);
    font-size: 0.9rem;
}

/* Help Button in Toolbar */
.dmb-tool-group-help {
    margin-left: auto;
}

.dmb-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--dmb-color-border);
}

.dmb-modal-header h2 {
    font-size: 1.2rem;
    margin: 0;
    padding: 0;
    color: var(--dmb-color-text);
}

.dmb-modal-close {
    background: none;
    border: none;
    color: var(--dmb-color-text);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.dmb-modal-close:hover {
    color: var(--dmb-color-accent);
}

.dmb-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.dmb-load-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.dmb-load-item {
    background-color: var(--dmb-color-panel-light);
    border-radius: 4px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dmb-load-item:hover {
    background-color: var(--dmb-color-accent);
    transform: translateY(-2px);
}

.dmb-load-item-name {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dmb-load-item-date {
    font-size: 0.7rem;
    color: var(--dmb-color-text-muted);
}

/* Notifications */
.dmb-notification {
    position: fixed;
    top: 50px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 4px;
    color: #fff;
    font-weight: 500;
    z-index: 100001;
    animation: dmb-slideIn 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.dmb-notification-success {
    background-color: var(--dmb-color-success);
}

.dmb-notification-error {
    background-color: var(--dmb-color-danger);
}

.dmb-notification-info {
    background-color: #2196f3;
}

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

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

/* Empty/Loading Messages */
.dmb-empty-message,
.dmb-loading {
    font-size: 0.85rem;
    color: var(--dmb-color-text-muted);
    font-style: italic;
    text-align: center;
    padding: 20px;
    grid-column: 1 / -1;
}

/* Rich Empty State */
.dmb-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px 15px;
    grid-column: 1 / -1;
}

.dmb-empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

.dmb-empty-state-text {
    font-size: 0.9rem;
    color: var(--dmb-color-text);
    margin: 0 0 5px 0;
    font-weight: 500;
}

.dmb-empty-state-hint {
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    margin: 0;
}

.dmb-empty-state-small {
    padding: 15px 10px;
}

.dmb-empty-state-small .dmb-empty-state-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.dmb-empty-state-small .dmb-empty-state-text {
    font-size: 0.8rem;
}

/* Scrollbar Styling */
.dmb-app-container ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.dmb-app-container ::-webkit-scrollbar-track {
    background: var(--dmb-color-panel);
}

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

.dmb-app-container ::-webkit-scrollbar-thumb:hover {
    background: var(--dmb-color-text-muted);
}

/* ==========================================
   Mobile Optimization Styles
   ========================================== */

/* Mobile Panel Toggle Buttons - Base styles always present */
.dmb-mobile-toggle {
    display: none;
    position: fixed !important;
    z-index: 2147483647 !important; /* Maximum z-index */
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    background-color: #4a90d9 !important;
    border: none !important;
    color: white !important;
    font-size: 1.5rem !important;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5) !important;
    transition: transform 0.2s ease, background-color 0.2s ease;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    touch-action: manipulation;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    /* Escape any containing stacking context */
    contain: none;
    isolation: isolate;
}

.dmb-mobile-toggle:hover {
    transform: scale(1.1);
    background-color: var(--dmb-color-accent-hover);
}

.dmb-mobile-toggle:active {
    transform: scale(0.95);
    background-color: var(--dmb-color-accent-hover);
}

.dmb-mobile-toggle-library {
    bottom: 80px;
    left: 16px;
}

.dmb-mobile-toggle-props {
    bottom: 80px;
    right: 16px;
}

/* iOS Safe Area Support for toggle buttons */
@supports (bottom: env(safe-area-inset-bottom)) {
    .dmb-mobile-toggle-library,
    .dmb-mobile-toggle-props {
        bottom: calc(80px + env(safe-area-inset-bottom));
    }

    .dmb-mobile-zoom-controls {
        bottom: calc(140px + env(safe-area-inset-bottom));
    }
}

/* Mobile Bottom Toolbar */
.dmb-mobile-toolbar {
    display: none;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 64px !important;
    background-color: #3a3a3a !important;
    border-top: 1px solid #555 !important;
    padding: 8px 12px !important;
    padding-bottom: 8px !important;
    z-index: 2147483646 !important; /* Just below toggle buttons */
    justify-content: space-around;
    align-items: center;
    gap: 4px;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    contain: none;
    isolation: isolate;
}

/* iOS Safe Area Support for bottom toolbar */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .dmb-mobile-toolbar {
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        height: calc(64px + env(safe-area-inset-bottom));
    }
}

.dmb-mobile-toolbar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    height: 48px;
    padding: 4px 6px;
    background-color: transparent;
    border: none;
    border-radius: 8px;
    color: var(--dmb-color-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.dmb-mobile-toolbar-btn:hover,
.dmb-mobile-toolbar-btn.active {
    background-color: rgba(74, 144, 217, 0.2);
    color: var(--dmb-color-accent);
}

.dmb-mobile-toolbar-btn .dmb-tool-icon {
    font-size: 1.3rem;
    margin-bottom: 2px;
}

.dmb-mobile-toolbar-btn .dmb-tool-label {
    font-size: 0.6rem;
    margin-top: 0;
}

/* Mobile Zoom Controls */
.dmb-mobile-zoom-controls {
    display: none;
    position: fixed !important;
    right: 16px !important;
    bottom: 140px !important;
    flex-direction: column;
    gap: 8px;
    z-index: 2147483645 !important;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    contain: none;
    isolation: isolate;
}

.dmb-mobile-zoom-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--dmb-color-panel);
    border: 1px solid var(--dmb-color-border);
    color: var(--dmb-color-text);
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.dmb-mobile-zoom-btn:hover {
    background-color: var(--dmb-color-accent);
    color: white;
}

.dmb-mobile-zoom-btn:active {
    transform: scale(0.95);
    background-color: var(--dmb-color-accent);
    color: white;
}

.dmb-mobile-zoom-level {
    text-align: center;
    font-size: 0.7rem;
    color: var(--dmb-color-text-muted);
    background-color: var(--dmb-color-panel);
    padding: 4px 8px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Mobile Panel Overlay */
.dmb-mobile-overlay {
    display: none;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background-color: rgba(0, 0, 0, 0.5) !important;
    z-index: 2147483640 !important;
    opacity: 0;
    transition: opacity 0.3s ease;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    contain: none;
    pointer-events: none;
}

.dmb-mobile-overlay.active {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto;
}

/* Mobile Edge Swipe Peek Indicators */
.dmb-swipe-indicator {
    display: none;
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(74, 144, 217, 0.6), transparent);
    border-radius: 3px;
    z-index: 2147483638;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dmb-swipe-indicator-left {
    left: 0;
    border-radius: 0 3px 3px 0;
}

.dmb-swipe-indicator-right {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.dmb-swipe-indicator.visible {
    opacity: 1;
    animation: dmb-peek-pulse 2s ease-in-out infinite;
}

@keyframes dmb-peek-pulse {
    0%, 100% { opacity: 0.4; transform: translateY(-50%) scaleY(1); }
    50% { opacity: 0.8; transform: translateY(-50%) scaleY(1.1); }
}

/* Mobile Panel Close Button */
.dmb-panel-close-btn {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--dmb-color-text);
    font-size: 1.2rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    -webkit-tap-highlight-color: transparent;
}

.dmb-panel-close-btn:hover,
.dmb-panel-close-btn:active {
    background-color: rgba(229, 57, 53, 0.8);
    color: white;
    transform: scale(1.1);
}

/* Mobile Toolbar Separator */
.dmb-toolbar-separator {
    display: none;
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.3), transparent);
    margin: 0 4px;
}

/* Mobile Navigation Menu Button */
.dmb-mobile-nav-btn {
    display: none;
    position: fixed !important;
    top: 16px;
    left: 16px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: rgba(58, 58, 58, 0.95);
    border: 1px solid #555;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 2147483647;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s ease;
}

.dmb-mobile-nav-btn:active {
    transform: scale(0.95);
    background-color: var(--dmb-color-accent);
}

/* Mobile Navigation Menu */
.dmb-mobile-nav-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background-color: #2a2a2a;
    z-index: 2147483648;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    flex-direction: column;
    overflow-y: auto;
    pointer-events: none;
}

.dmb-mobile-nav-menu.open {
    transform: translateX(0);
    pointer-events: auto;
}

.dmb-mobile-nav-header {
    padding: 20px 16px;
    border-bottom: 1px solid #444;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dmb-mobile-nav-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
}

.dmb-mobile-nav-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: #999;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dmb-mobile-nav-close:active {
    background-color: rgba(255, 255, 255, 0.1);
}

.dmb-mobile-nav-items {
    padding: 12px 0;
    flex: 1;
}

.dmb-mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    color: #ccc;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.dmb-mobile-nav-item:hover,
.dmb-mobile-nav-item:active {
    background-color: rgba(74, 144, 217, 0.15);
    color: white;
    border-left-color: var(--dmb-color-accent);
}

.dmb-mobile-nav-item.active {
    background-color: rgba(74, 144, 217, 0.2);
    color: var(--dmb-color-accent);
    border-left-color: var(--dmb-color-accent);
}

.dmb-mobile-nav-item-icon {
    font-size: 1.3rem;
    width: 28px;
    text-align: center;
}

.dmb-mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2147483647;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.dmb-mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================================================
   Desktop Slide-Out Panels with Tabs
   ========================================================================== */

/* Desktop Tab Buttons - Always visible on sides */
.dmb-desktop-tab {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    background: linear-gradient(135deg, var(--dmb-color-accent) 0%, #3a7bc8 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 14px 10px;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}

.dmb-desktop-tab:hover {
    width: 60px;
}

.dmb-desktop-tab.active {
    background: linear-gradient(135deg, #5aa0e9 0%, var(--dmb-color-accent) 100%);
}

.dmb-desktop-tab-icon {
    font-size: 1.7rem;
    margin-bottom: 5px;
}

.dmb-desktop-tab-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    writing-mode: vertical-lr;
    text-orientation: mixed;
}

.dmb-desktop-tab-library {
    left: 0;
    border-radius: 0 8px 8px 0;
    background: linear-gradient(135deg, #e53935 0%, #c62828 100%);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}

.dmb-desktop-tab-library:hover {
    background: linear-gradient(135deg, #ef5350 0%, #e53935 100%);
}

.dmb-desktop-tab-library .dmb-desktop-tab-label {
    transform: rotate(180deg);
}

.dmb-desktop-tab-props {
    right: 0;
    border-radius: 8px 0 0 8px;
    background: linear-gradient(135deg, var(--dmb-color-accent) 0%, #3a7bc8 100%);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
}

.dmb-desktop-tab-props:hover {
    background: linear-gradient(135deg, #5aa0e9 0%, var(--dmb-color-accent) 100%);
}

/* When panels are open, move tabs with them */
.dmb-desktop-tab-library.panel-open {
    left: var(--dmb-library-width);
}

.dmb-desktop-tab-props.panel-open {
    right: var(--dmb-panel-width);
}

/* Desktop overlay - hidden (canvas remains interactive with panels open) */
.dmb-desktop-overlay {
    display: none !important;
}

/* Desktop slide-out mode - panels start hidden */
.dmb-app-container.desktop-slide-mode .dmb-main-content {
    display: block;
    position: relative;
}

.dmb-app-container.desktop-slide-mode .dmb-library-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--dmb-library-width);
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    border-right: 1px solid var(--dmb-color-border);
    background-color: var(--dmb-color-panel);
    overflow-y: auto;
}

.dmb-app-container.desktop-slide-mode .dmb-library-panel.panel-open {
    transform: translateX(0);
}

/* Properties panel (Selected Room) slides out from right */
.dmb-app-container.desktop-slide-mode .dmb-properties-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--dmb-panel-width);
    height: 100vh;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    border-left: 1px solid var(--dmb-color-border);
    background-color: var(--dmb-color-panel);
    overflow-y: auto;
}

.dmb-app-container.desktop-slide-mode .dmb-properties-panel.panel-open {
    transform: translateX(0);
}

/* Toolbar stays visible above canvas - do not hide it */
.dmb-app-container.desktop-slide-mode .dmb-toolbar {
    /* Keep default positioning - visible above canvas */
}

.dmb-app-container.desktop-slide-mode .dmb-editor-area {
    width: 100%;
    padding: 20px 50px; /* Leave room for tabs on sides */
}

/* Responsive Design - Large Tablet */
@media (max-width: 1200px) {
    .dmb-library-panel {
        width: 200px;
    }

    .dmb-library-grid {
        grid-template-columns: 1fr;
    }

    .dmb-properties-panel {
        width: 200px;
    }
}

/* Responsive Design - Tablet */
@media (max-width: 900px) {
    .dmb-main-content {
        flex-direction: column;
        max-height: none;
    }

    .dmb-library-panel {
        width: 100%;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--dmb-color-border);
    }

    .dmb-library-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .dmb-properties-panel {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--dmb-color-border);
        max-height: none;
    }

    .dmb-editor-area {
        padding: 15px;
    }

    .dmb-toolbar {
        flex-wrap: wrap;
    }

    .dmb-canvas-wrapper {
        width: 100%;
        max-width: calc(100vw - 40px);
    }
}

/* Responsive Design - Mobile (screen width) */
@media screen and (max-width: 600px) {
    /* Show mobile UI elements with !important */
    .dmb-mobile-toggle {
        display: flex !important;
    }

    .dmb-mobile-toolbar {
        display: flex !important;
    }

    .dmb-mobile-zoom-controls {
        display: flex !important;
        left: 16px !important;
        right: auto !important;
    }

    /* Show new mobile navigation elements */
    .dmb-swipe-indicator {
        display: block !important;
    }

    .dmb-panel-close-btn {
        display: flex !important;
    }

    .dmb-toolbar-separator {
        display: block !important;
    }

    .dmb-mobile-nav-btn {
        display: flex !important;
    }

    .dmb-mobile-nav-menu {
        display: flex !important;
    }

    .dmb-mobile-nav-overlay {
        display: block !important;
    }

    /* Hide desktop toolbar */
    .dmb-toolbar {
        display: none !important;
    }

    /* Reposition map controls on mobile - show above canvas */
    .dmb-canvas-and-controls {
        flex-direction: column-reverse !important;
    }

    .dmb-map-controls {
        width: 100% !important;
    }

    .dmb-map-controls-group {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }

    .dmb-map-controls-group h4 {
        width: 100%;
        text-align: center;
    }

    .dmb-map-controls .dmb-action-btn {
        width: auto !important;
        flex: 0 0 auto;
    }

    /* Hide desktop panels by default - slide from sides */
    .dmb-library-panel {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 85% !important;
        max-width: 320px !important;
        height: 100vh !important;
        height: 100dvh !important; /* Dynamic viewport height for iOS */
        height: -webkit-fill-available !important;
        max-height: none !important;
        border-right: 1px solid var(--dmb-color-border) !important;
        border-bottom: none !important;
        transform: translateX(-100%) !important;
        -webkit-transform: translateX(-100%) !important;
        transition: transform 0.3s ease !important;
        -webkit-transition: -webkit-transform 0.3s ease !important;
        z-index: 2147483641 !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        background-color: #3a3a3a !important;
    }

    .dmb-library-panel.mobile-open {
        transform: translateX(0) !important;
        -webkit-transform: translateX(0) !important;
    }

    .dmb-properties-panel {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        width: 85% !important;
        max-width: 320px !important;
        height: 100vh !important;
        height: 100dvh !important; /* Dynamic viewport height for iOS */
        height: -webkit-fill-available !important;
        max-height: none !important;
        border-left: 1px solid var(--dmb-color-border) !important;
        border-top: none !important;
        transform: translateX(100%) !important;
        -webkit-transform: translateX(100%) !important;
        transition: transform 0.3s ease !important;
        -webkit-transition: -webkit-transform 0.3s ease !important;
        z-index: 2147483641 !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        background-color: #3a3a3a !important;
    }

    .dmb-properties-panel.mobile-open {
        transform: translateX(0) !important;
        -webkit-transform: translateX(0) !important;
    }

    /* iOS Safe Area Support for editor area */
    @supports (padding-bottom: env(safe-area-inset-bottom)) {
        .dmb-editor-area {
            padding-bottom: calc(74px + env(safe-area-inset-bottom));
        }
    }

    /* Editor area takes full space */
    .dmb-editor-area {
        padding: 10px;
        padding-bottom: 74px; /* Space for mobile toolbar */
        min-height: calc(100vh - 74px);
    }

    .dmb-canvas-wrapper {
        width: 100% !important;
        max-width: calc(100vw - 20px) !important;
        height: auto !important;
        min-height: 300px;
        max-height: calc(100vh - 200px);
        aspect-ratio: 4 / 3;
    }

    /* Library header */
    .dmb-library-header {
        padding: 15px;
        position: sticky;
        top: 0;
        background-color: var(--dmb-color-panel);
        z-index: 10;
    }

    /* Library content */
    .dmb-library-content {
        padding: 10px;
    }

    /* Library items larger for touch */
    .dmb-library-item {
        padding: 10px;
        min-height: 90px;
    }

    .dmb-library-preview {
        width: 60px;
        height: 60px;
    }

    .dmb-library-name {
        font-size: 0.75rem;
        margin-top: 8px;
    }

    /* Section headers larger */
    .dmb-section-header {
        padding: 14px 16px;
    }

    .dmb-section-title {
        font-size: 0.9rem;
    }

    .dmb-section-toggle {
        font-size: 0.9rem;
    }

    /* Section content adjustments */
    .dmb-section-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 12px;
    }

    /* Tool buttons larger */
    .dmb-tool-btn {
        padding: 10px 14px;
        min-width: 56px;
        min-height: 48px;
    }

    .dmb-tool-icon {
        font-size: 1.3rem;
    }

    .dmb-tool-label {
        font-size: 0.7rem;
    }

    /* Action buttons larger */
    .dmb-action-btn {
        padding: 12px;
        min-height: 44px;
        font-size: 0.9rem;
    }

    /* Select inputs larger */
    .dmb-select,
    .dmb-toolbar-select {
        padding: 10px 12px;
        min-height: 44px;
        font-size: 0.9rem;
    }

    /* Form inputs larger */
    .dmb-form-group input[type="text"] {
        padding: 12px;
        min-height: 44px;
        font-size: 1rem;
    }

    /* Checkbox larger */
    .dmb-checkbox {
        width: 24px;
        height: 24px;
    }

    .dmb-checkbox-group label {
        gap: 12px;
        font-size: 0.9rem;
    }

    /* Symbol buttons larger */
    .dmb-symbol-btn {
        padding: 8px;
        min-width: 44px;
        min-height: 44px;
    }

    .dmb-symbol-section-content .dmb-symbol-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    /* Editor info */
    .dmb-editor-info {
        flex-direction: column;
        gap: 5px;
        text-align: center;
        font-size: 0.8rem;
    }

    /* Modal adjustments */
    .dmb-modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .dmb-load-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .dmb-load-item {
        padding: 15px;
    }

    .dmb-load-item-btn {
        padding: 10px;
        font-size: 0.8rem;
    }

    /* Room modal adjustments */
    .dmb-room-modal-content {
        width: 95%;
        max-width: none;
    }

    .dmb-room-textarea {
        min-height: 100px;
    }

    /* Selected info panel */
    .dmb-selected-info {
        padding: 12px;
    }

    .dmb-selected-name {
        font-size: 1rem;
    }

    /* Rotation control */
    .dmb-rotation-control {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Random toggle larger */
    .dmb-random-toggle {
        padding: 6px 10px;
        font-size: 0.7rem;
    }

    .dmb-random-toggle input[type="checkbox"] {
        width: 18px;
        height: 18px;
    }

    /* Size checkbox */
    .dmb-size-checkbox {
        font-size: 0.8rem;
        padding: 8px;
    }

    .dmb-size-checkbox input[type="checkbox"] {
        width: 18px;
        height: 18px;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .dmb-mobile-toolbar {
        padding: 6px 4px;
        height: 60px;
    }

    .dmb-mobile-toolbar-btn {
        min-width: 44px;
        height: 44px;
        padding: 2px 4px;
    }

    .dmb-mobile-toolbar-btn .dmb-tool-icon {
        font-size: 1.1rem;
    }

    .dmb-mobile-toolbar-btn .dmb-tool-label {
        font-size: 0.55rem;
    }

    .dmb-section-content {
        grid-template-columns: 1fr;
    }

    .dmb-symbol-section-content .dmb-symbol-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dmb-library-preview {
        width: 50px;
        height: 50px;
    }
}

/* Standalone display mode detection (PWA/homescreen) */
@media (display-mode: standalone) {
    .dmb-mobile-toggle {
        display: flex !important;
    }

    .dmb-mobile-toolbar {
        display: flex !important;
    }

    .dmb-mobile-zoom-controls {
        display: flex !important;
    }
}

/* ==========================================
   Symbol Panel Styles
   ========================================== */

.dmb-symbol-options {
    background-color: var(--dmb-color-bg-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 6px;
    padding: 10px;
}

.dmb-symbol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 5px;
    max-height: 200px;
    overflow-y: auto;
    padding: 5px;
    background-color: var(--dmb-color-bg);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    margin-bottom: 10px;
}

.dmb-symbol-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5px;
    background-color: var(--dmb-color-bg-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.dmb-symbol-btn:hover {
    background-color: var(--dmb-color-bg-hover);
    border-color: var(--dmb-color-primary);
}

.dmb-symbol-btn.active {
    background-color: var(--dmb-color-primary-light);
    border-color: var(--dmb-color-primary);
}

.dmb-symbol-btn canvas {
    display: block;
}

.dmb-symbol-name {
    font-size: 0.65rem;
    color: var(--dmb-color-text-muted);
    margin-top: 2px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
}

.dmb-symbol-actions {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.dmb-symbol-actions .dmb-form-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 5px;
}

.dmb-empty-message {
    color: var(--dmb-color-text-muted);
    font-style: italic;
    text-align: center;
    padding: 20px;
    grid-column: 1 / -1;
}

.dmb-symbol-variant-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background-color: var(--dmb-color-bg);
    border-radius: 4px;
    flex-wrap: wrap;
}

.dmb-symbol-variant-group .dmb-symbol-btn {
    width: 36px;
    height: 36px;
    padding: 2px;
    flex-shrink: 0;
}

.dmb-symbol-variant-group .dmb-symbol-name {
    flex: 1;
    min-width: 50px;
    font-size: 0.65rem;
    margin-top: 0;
}

.dmb-symbol-btn-blue {
    border-color: var(--dmb-color-primary);
}

.dmb-symbol-hint {
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    margin-top: 10px;
    text-align: center;
}

/* ==========================================
   Draw Tools Section (Left Sidebar)
   Using dtg- classes to match room builder styling
   ========================================== */

.dmb-sidebar-tools {
    border-top: 1px solid var(--dmb-color-border);
    margin-top: 10px;
    padding: 10px;
}

.dmb-sidebar-tools h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--dmb-color-text-muted);
    margin: 0 0 10px 0;
    padding: 0;
    letter-spacing: 0.5px;
}

/* Override dtg-tool-btn styles for map builder sidebar */
.dmb-sidebar-tools .dtg-tool-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: calc(50% - 4px);
    padding: 10px 8px;
    margin-bottom: 8px;
    margin-right: 8px;
    background-color: var(--dmb-color-bg-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    color: var(--dmb-color-text);
    font-size: 0.75rem;
}

.dmb-sidebar-tools .dtg-tool-btn:nth-child(2n+1) {
    margin-right: 8px;
}

.dmb-sidebar-tools .dtg-tool-btn:nth-child(2n) {
    margin-right: 0;
}

.dmb-sidebar-tools .dtg-tool-btn:only-of-type {
    width: 100%;
    margin-right: 0;
}

.dmb-sidebar-tools .dtg-tool-btn:hover {
    background-color: var(--dmb-color-primary);
    border-color: var(--dmb-color-primary);
    color: #fff;
}

.dmb-sidebar-tools .dtg-tool-btn.active {
    background-color: var(--dmb-color-primary);
    border-color: var(--dmb-color-primary);
    color: #fff;
    box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.3);
}

.dmb-sidebar-tools .dtg-tool-icon {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.dmb-sidebar-tools .dtg-tool-label {
    font-size: 0.7rem;
}

/* ==========================================
   Map Status Display
   ========================================== */

.dmb-map-status {
    background-color: var(--dmb-color-panel-light);
    border-radius: 4px;
    padding: 8px 10px;
    margin-top: 10px;
    border-left: 3px solid var(--dmb-color-text-muted);
}

.dmb-map-status.dmb-status-new {
    border-left-color: var(--dmb-color-accent);
}

.dmb-map-status.dmb-status-editing {
    border-left-color: var(--dmb-color-success);
}

.dmb-map-status.dmb-status-modified {
    border-left-color: #ff9800;
}

.dmb-status-label {
    font-size: 0.7rem;
    color: var(--dmb-color-text-muted);
    display: block;
    margin-bottom: 2px;
}

.dmb-status-value {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--dmb-color-text);
}

/* ==========================================
   Load Modal - Delete Button
   ========================================== */

.dmb-load-item {
    position: relative;
}

.dmb-load-item-actions {
    display: flex;
    gap: 5px;
    margin-top: 10px;
}

.dmb-load-item-btn {
    flex: 1;
    padding: 5px 8px;
    border: none;
    border-radius: 3px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.dmb-load-item-btn-load {
    background-color: var(--dmb-color-accent);
    color: white;
}

.dmb-load-item-btn-load:hover {
    background-color: var(--dmb-color-accent-hover);
}

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

.dmb-load-item-btn-delete:hover {
    background-color: var(--dmb-color-danger);
    color: white;
}

.dmb-load-item:hover {
    background-color: var(--dmb-color-panel-light);
    transform: none;
}

/* ==========================================
   Export Group
   ========================================== */

.dmb-export-group {
    background-color: var(--dmb-color-panel-light);
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 5px;
}

.dmb-export-group .dmb-form-group {
    margin-bottom: 8px;
}

.dmb-export-group .dmb-action-btn {
    margin-bottom: 0;
}

.dmb-select {
    width: 100%;
    padding: 6px 8px;
    background-color: var(--dmb-color-bg);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
}

.dmb-select:focus {
    outline: none;
    border-color: var(--dmb-color-accent);
}

.dmb-select option {
    background-color: var(--dmb-color-panel);
    color: var(--dmb-color-text);
}

/* ==========================================
   Room Description Modal Styles
   Uses theme CSS variables for color scheme support
   ========================================== */

.dmb-room-modal-content {
    max-width: 500px;
    background: linear-gradient(135deg, var(--blue-dark, #1a3a5c) 0%, var(--blue-darker, #0f2847) 100%);
    border: 2px solid var(--gold, #d4a84b);
}

.dmb-room-modal-header {
    background: linear-gradient(90deg, var(--blue-primary, #1e4d8c) 0%, var(--blue-dark, #1a3a5c) 100%);
    border-bottom: 2px solid var(--gold, #d4a84b);
}

.dmb-room-modal-header h2 {
    font-family: var(--font-heading, 'Cinzel', serif);
    font-size: 1.4rem;
    color: var(--cream, #f5f0e1);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.dmb-room-modal-body {
    padding: 20px;
}

.dmb-room-section {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--gold-dark, rgba(184, 146, 47, 0.3));
}

.dmb-room-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

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

.dmb-room-section-header h3 {
    font-family: var(--font-heading, 'Cinzel', serif);
    font-size: 1rem;
    color: var(--gold-light, #e8c36b);
    margin: 0;
    padding: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dmb-room-text {
    font-family: var(--font-body, Georgia, serif);
    font-size: 0.95rem;
    color: var(--cream, #f5f0e1);
    line-height: 1.6;
    margin: 0;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    border-left: 3px solid var(--gold, #d4a84b);
}

.dmb-room-textarea {
    width: 100%;
    min-height: 120px;
    padding: 10px;
    font-family: var(--font-body, Georgia, serif);
    font-size: 0.95rem;
    color: var(--cream, #f5f0e1);
    line-height: 1.6;
    background-color: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--gold, #d4a84b);
    border-radius: 4px;
    resize: vertical;
    box-sizing: border-box;
}

.dmb-room-textarea:focus {
    outline: none;
    border-color: var(--gold-light, #e8c36b);
    background-color: rgba(0, 0, 0, 0.4);
}

/* Encounter section */
.dmb-room-encounter-section {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 15px;
    margin-left: -15px;
    margin-right: -15px;
    margin-bottom: 0;
    border-bottom: none;
    border: 1px solid var(--gold-dark, rgba(184, 146, 47, 0.3));
}

#dmb-encounter-container {
    position: relative;
}

.dmb-btn-reveal {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--blue-primary, #1e4d8c) 0%, var(--blue-dark, #1a3a5c) 100%);
    border: 2px solid var(--gold, #d4a84b);
    color: var(--cream, #f5f0e1);
    font-family: var(--font-heading, 'Cinzel', serif);
    font-size: 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.dmb-btn-reveal:hover {
    background: linear-gradient(135deg, var(--blue-medium, #2563a8) 0%, var(--blue-primary, #1e4d8c) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.dmb-hidden {
    display: none;
}

/* Modal footer */
.dmb-room-modal-footer {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    background-color: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--gold-dark, rgba(184, 146, 47, 0.3));
}

.dmb-btn {
    padding: 10px 20px;
    border: 1px solid var(--gold, #d4a84b);
    background-color: transparent;
    color: var(--gold-light, #e8c36b);
    font-family: var(--font-body, 'Crimson Text', Georgia, serif);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.dmb-btn:hover {
    background-color: rgba(212, 168, 75, 0.2);
}

.dmb-btn-primary {
    background: linear-gradient(135deg, var(--blue-primary, #1e4d8c) 0%, var(--blue-dark, #1a3a5c) 100%);
    color: var(--cream, #f5f0e1);
    border: 2px solid var(--gold, #d4a84b);
}

.dmb-btn-primary:hover {
    background: linear-gradient(135deg, var(--blue-medium, #2563a8) 0%, var(--blue-primary, #1e4d8c) 100%);
}

/* Cursor change for room buttons on canvas */
.dmb-canvas-container.room-button-hover {
    cursor: pointer;
}

/* ========================================
   Custom Encounter Tables Section
   ======================================== */
.dmb-custom-tables-section h3 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dmb-small-link-btn {
    background: none;
    border: none;
    color: var(--dmb-color-accent);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 2px 6px;
    text-decoration: underline;
}

.dmb-small-link-btn:hover {
    color: var(--dmb-color-accent-hover);
}

/* Help Text - consistent across all modules */
.dmb-help-text,
.dmb-section-hint {
    font-size: 0.75rem;
    color: var(--dmb-color-text-muted);
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.dmb-custom-table-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
}

.dmb-custom-table-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dmb-custom-table-row label {
    font-size: 0.8rem;
    color: var(--dmb-color-text-muted);
}

.dmb-custom-table-select {
    width: 100%;
    padding: 6px 8px;
    font-size: 0.85rem;
    background-color: var(--dmb-color-panel-light);
    border: 1px solid var(--dmb-color-border);
    border-radius: 4px;
    color: var(--dmb-color-text);
}

.dmb-custom-table-select:focus {
    outline: none;
    border-color: var(--dmb-color-accent);
}

.dmb-custom-table-select option {
    background-color: var(--dmb-color-panel);
    color: var(--dmb-color-text);
}

.dmb-custom-table-select option:first-child {
    font-style: italic;
    color: var(--dmb-color-text-muted);
}