/**
 * Funky.CardGrid - Component Styles
 * 
 * Phase 1: Core Foundation Styles
 * Responsive grid layout with CSS custom properties for theming.
 * 
 * @version 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties (Defaults)
   ========================================================================== */

.funky-card-grid {
    /* Layout */
    --card-grid-gap: var(--pro-space-md, 1rem);
    --card-grid-min-width: 280px;
    --card-grid-columns: auto;
    
    /* Card */
    --card-grid-card-bg: var(--pro-surface, #ffffff);
    --card-grid-card-border: var(--pro-border-color, #dee2e6);
    --card-grid-card-border-radius: var(--pro-radius-md, 0.5rem);
    --card-grid-card-shadow: var(--pro-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08));
    --card-grid-card-shadow-hover: var(--pro-shadow-md, 0 4px 12px rgba(0, 0, 0, 0.12));
    
    /* Card selected */
    --card-grid-card-selected-border: var(--pro-primary, #0066cc);
    --card-grid-card-selected-bg: var(--pro-primary-light, rgba(0, 102, 204, 0.05));
    
    /* Text */
    --card-grid-title-color: var(--pro-text-primary, #212529);
    --card-grid-description-color: var(--pro-text-muted, #6c757d);
    
    /* Transition */
    --card-grid-transition: var(--pro-transition-normal, 200ms ease);
}

/* ==========================================================================
   Container & Wrapper
   ========================================================================== */

.funky-card-grid-container {
    width: 100%;
}

.funky-card-grid {
    width: 100%;
    position: relative;
}

/* ==========================================================================
   Grid Layout
   ========================================================================== */

.funky-card-grid__grid {
    display: grid;
    gap: var(--card-grid-gap, 1rem);
    width: 100%;
}

/* Grid view - auto-fill columns */
.funky-card-grid__grid--grid {
    grid-template-columns: repeat(auto-fill, minmax(var(--card-grid-min-width), 1fr));
}

/* List view - single column */
.funky-card-grid__grid--list {
    grid-template-columns: 1fr;
    /* Uses same gap variable as grid view for consistency */
}

/* List view card layout - horizontal */
.funky-card-grid__grid--list .funky-card-grid__card {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.funky-card-grid__grid--list .funky-card-grid__card-image {
    width: 80px;
    height: 80px;
    min-width: 80px;
    margin: 0;
    margin-right: var(--pro-space-md, 1rem);
    border-radius: var(--pro-radius-sm, 0.25rem);
}

.funky-card-grid__grid--list .funky-card-grid__card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--pro-space-xs, 0.25rem);
    padding: var(--pro-space-md, 1rem);
}

/* ==========================================================================
   Card Base Styles
   ========================================================================== */

.funky-card-grid__card {
    background: var(--card-grid-card-bg);
    border: 1px solid var(--card-grid-card-border);
    border-radius: var(--card-grid-card-border-radius);
    box-shadow: var(--card-grid-card-shadow);
    transition: 
        box-shadow var(--card-grid-transition),
        border-color var(--card-grid-transition),
        background-color var(--card-grid-transition),
        transform var(--card-grid-transition);
    cursor: pointer;
    outline: none;
    overflow: hidden;
}

/* Hover state */
.funky-card-grid__card:hover {
    box-shadow: var(--card-grid-card-shadow-hover);
}

/* Focus state (keyboard navigation) */
.funky-card-grid__card:focus {
    box-shadow: 
        var(--card-grid-card-shadow),
        0 0 0 2px var(--pro-focus-ring, rgba(0, 102, 204, 0.25));
    border-color: var(--card-grid-card-selected-border);
}

/* Selected state */
.funky-card-grid__card--selected {
    border-color: var(--card-grid-card-selected-border);
    background: var(--card-grid-card-selected-bg);
}

.funky-card-grid__card--selected:focus {
    box-shadow: 
        var(--card-grid-card-shadow),
        0 0 0 3px var(--pro-focus-ring, rgba(0, 102, 204, 0.25));
}

/* ==========================================================================
   Default Card Content (when no renderCard provided)
   ========================================================================== */

.funky-card-grid__card-content {
    display: flex;
    flex-direction: column;
    padding: var(--pro-space-md, 1rem);
}

/* Card image */
.funky-card-grid__card-image {
    width: 100%;
    height: 160px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--pro-surface-alt, #f8f9fa);
    margin: calc(-1 * var(--pro-space-md, 1rem));
    margin-bottom: var(--pro-space-md, 1rem);
    width: calc(100% + 2 * var(--pro-space-md, 1rem));
}

/* Card title */
.funky-card-grid__card-title {
    font-size: var(--pro-font-size-md, 1rem);
    font-weight: var(--pro-font-weight-semibold, 600);
    color: var(--card-grid-title-color);
    margin-bottom: var(--pro-space-xs, 0.25rem);
    line-height: 1.4;
}

/* Card description */
.funky-card-grid__card-description {
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--card-grid-description-color);
    line-height: 1.5;
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.funky-card-grid__empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--pro-space-xl, 3rem) var(--pro-space-lg, 2rem);
    text-align: center;
    color: var(--pro-text-muted, #6c757d);
}

.funky-card-grid__empty p {
    margin: 0;
    font-size: var(--pro-font-size-md, 1rem);
}

/* ==========================================================================
   Animations (for Funky.Animate integration)
   ========================================================================== */

/* Initial hidden state for stagger animation */
.funky-card-grid__card[data-animate] {
    opacity: 0;
    transform: translateY(8px);
}

/* Fade-in-up animation class */
.funky-card-grid__card.fade-in-up {
    animation: cardGridFadeInUp 300ms ease forwards;
}

@keyframes cardGridFadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card enter animation */
.funky-card-grid__card--entering {
    animation: cardGridEnter 300ms ease-out forwards;
}

@keyframes cardGridEnter {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Card exit animation */
.funky-card-grid__card--exiting {
    animation: cardGridExit 200ms ease-in forwards;
}

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

/* Hover lift effect */
.funky-card-grid__card:hover {
    transform: translateY(-2px);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .funky-card-grid__card,
    .funky-card-grid__card--entering,
    .funky-card-grid__card--exiting,
    .funky-card-grid__card.fade-in-up {
        animation: none;
        transition: none;
    }
    
    .funky-card-grid__card:hover {
        transform: none;
    }
    
    .funky-card-grid__card--skeleton .funky-card-grid__card-image,
    .funky-card-grid__card--skeleton .funky-card-grid__card-title,
    .funky-card-grid__card--skeleton .funky-card-grid__card-description {
        animation: none;
    }
}

/* ==========================================================================
   Gap Size Modifiers
   ========================================================================== */

.funky-card-grid--gap-xs { --card-grid-gap: var(--pro-space-xs, 0.25rem); }
.funky-card-grid--gap-sm { --card-grid-gap: var(--pro-space-sm, 0.5rem); }
.funky-card-grid--gap-md { --card-grid-gap: var(--pro-space-md, 1rem); }
.funky-card-grid--gap-lg { --card-grid-gap: var(--pro-space-lg, 1.5rem); }
.funky-card-grid--gap-xl { --card-grid-gap: var(--pro-space-xl, 2rem); }

/* ==========================================================================
   Density Modes
   ========================================================================== */

/* Compact density */
.density-compact .funky-card-grid {
    --card-grid-gap: var(--pro-space-sm, 0.5rem);
    --card-grid-card-padding: var(--pro-space-sm, 0.5rem);
}

.density-compact .funky-card-grid__card-content {
    padding: var(--pro-space-sm, 0.5rem);
}

.density-compact .funky-card-grid__card-image {
    height: 120px;
}

/* Comfortable density */
.density-comfortable .funky-card-grid {
    --card-grid-gap: var(--pro-space-lg, 1.5rem);
    --card-grid-card-padding: var(--pro-space-lg, 1.5rem);
}

.density-comfortable .funky-card-grid__card-content {
    padding: var(--pro-space-lg, 1.5rem);
}

.density-comfortable .funky-card-grid__card-image {
    height: 200px;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.funky-card-grid--loading {
    position: relative;
}

.funky-card-grid__loading-overlay {
    position: absolute;
    inset: 0;
    background: var(--pro-bg-overlay, rgba(255, 255, 255, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: var(--card-grid-card-border-radius);
}

/* Skeleton card */
.funky-card-grid__card--skeleton {
    pointer-events: none;
    cursor: default;
}

.funky-card-grid__card--skeleton .funky-card-grid__card-image,
.funky-card-grid__card--skeleton .funky-card-grid__card-title,
.funky-card-grid__card--skeleton .funky-card-grid__card-description {
    background: var(--pro-skeleton-bg, #e0e0e0);
    border-radius: var(--pro-radius-sm, 0.25rem);
    animation: funkyCardGridSkeleton 1.5s ease-in-out infinite;
}

.funky-card-grid__card--skeleton .funky-card-grid__card-title {
    height: 1.25rem;
    width: 60%;
}

.funky-card-grid__card--skeleton .funky-card-grid__card-description {
    height: 0.875rem;
    width: 80%;
}

@keyframes funkyCardGridSkeleton {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

/* Extra small (mobile) */
@media (max-width: 575.98px) {
    .funky-card-grid {
        --card-grid-min-width: 100%;
        --card-grid-gap: var(--pro-space-sm, 0.5rem);
    }
    
    .funky-card-grid__grid--grid {
        grid-template-columns: 1fr;
    }
    
    .funky-card-grid__card-image {
        height: 120px;
    }
}

/* Small (landscape mobile) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .funky-card-grid {
        --card-grid-min-width: 240px;
    }
}

/* Medium (tablet) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .funky-card-grid {
        --card-grid-min-width: 260px;
    }
}

/* Large (desktop) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .funky-card-grid {
        --card-grid-min-width: 280px;
    }
}

/* Extra large */
@media (min-width: 1200px) {
    .funky-card-grid {
        --card-grid-min-width: 300px;
    }
}

/* ==========================================================================
   Dark Theme Support
   ========================================================================== */

[data-theme="dark"] .funky-card-grid,
.funky-card-grid[data-theme="dark"] {
    --card-grid-card-bg: var(--pro-surface-dark, #1e1e1e);
    --card-grid-card-border: var(--pro-border-color-dark, #333);
    --card-grid-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --card-grid-card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
    --card-grid-title-color: var(--pro-text-primary-dark, #e1e1e1);
    --card-grid-description-color: var(--pro-text-muted-dark, #a0a0a0);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .funky-card-grid__card {
        box-shadow: none;
        border: 1px solid var(--pro-border-color, #dee2e6);
        break-inside: avoid;
    }
    
    .funky-card-grid__grid {
        gap: 0.5rem;
    }
}

/* ==========================================================================
   ActionBar Integration (Phase 3)
   ========================================================================== */

/* Result count in ActionBar context */
.funky-card-grid__count {
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-secondary, #666666);
    white-space: nowrap;
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
}

/* View toggle group for ActionBar */
.funky-card-grid__view-group {
    display: flex;
    border: 1px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-sm, 4px);
    overflow: hidden;
}

.funky-card-grid__view-btn {
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    border: none;
    background: var(--pro-bg-primary, #ffffff);
    color: var(--pro-text-secondary, #666666);
    cursor: pointer;
    transition: background var(--card-grid-transition), color var(--card-grid-transition);
}

.funky-card-grid__view-btn:not(:last-child) {
    border-right: 1px solid var(--pro-border-color, #e0e0e0);
}

.funky-card-grid__view-btn:hover {
    background: var(--pro-bg-secondary, #f5f5f5);
}

.funky-card-grid__view-btn:focus {
    outline: none;
    box-shadow: inset var(--pro-focus-ring, 0 0 0 3px rgba(0, 123, 255, 0.25));
}

.funky-card-grid__view-btn--active {
    background: var(--pro-primary, #007bff);
    color: var(--pro-text-on-primary, #ffffff);
}

.funky-card-grid__view-btn--active:hover {
    background: var(--pro-primary-hover, #0056b3);
}

/* Sort controls for ActionBar */
.funky-card-grid__sort-group {
    display: flex;
    align-items: center;
    gap: var(--pro-space-xs, 0.25rem);
}

.funky-card-grid__sort-select {
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    border: 1px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-sm, 4px);
    background: var(--pro-bg-primary, #ffffff);
    color: var(--pro-text-primary, #1a1a1a);
    font-size: var(--pro-font-size-sm, 0.875rem);
}

.funky-card-grid__sort-select:focus {
    outline: none;
    border-color: var(--pro-primary, #007bff);
    box-shadow: var(--pro-focus-ring, 0 0 0 3px rgba(0, 123, 255, 0.25));
}

.funky-card-grid__sort-direction {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: var(--pro-space-xs, 0.25rem);
    border: 1px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-sm, 4px);
    background: var(--pro-bg-primary, #ffffff);
    color: var(--pro-text-secondary, #666666);
    cursor: pointer;
    transition: background var(--card-grid-transition), color var(--card-grid-transition);
}

.funky-card-grid__sort-direction:hover {
    background: var(--pro-bg-secondary, #f5f5f5);
    color: var(--pro-text-primary, #1a1a1a);
}

.funky-card-grid__sort-direction:focus {
    outline: none;
    border-color: var(--pro-primary, #007bff);
    box-shadow: var(--pro-focus-ring, 0 0 0 3px rgba(0, 123, 255, 0.25));
}

/* Dark theme adjustments for ActionBar controls */
[data-theme="dark"] .funky-card-grid__view-btn,
[data-theme="dark"] .funky-card-grid__sort-select,
[data-theme="dark"] .funky-card-grid__sort-direction {
    background: var(--pro-surface-dark, #1e1e1e);
    border-color: var(--pro-border-color-dark, #333);
    color: var(--pro-text-primary-dark, #e1e1e1);
}

[data-theme="dark"] .funky-card-grid__view-btn:hover,
[data-theme="dark"] .funky-card-grid__sort-direction:hover {
    background: var(--pro-surface-alt-dark, #2a2a2a);
}

[data-theme="dark"] .funky-card-grid__count {
    color: var(--pro-text-muted-dark, #a0a0a0);
}

/* ==========================================================================
   Pagination & Loading (Phase 4)
   ========================================================================== */

.funky-card-grid__pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--pro-space-sm, 0.5rem);
    padding: var(--pro-space-lg, 1.5rem) 0;
    margin-top: var(--pro-space-md, 1rem);
}

/* Load More Button */
.funky-card-grid__load-more {
    padding: var(--pro-space-sm, 0.5rem) var(--pro-space-lg, 1.5rem);
    border: 1px solid var(--pro-primary, #007bff);
    border-radius: var(--pro-radius-md, 6px);
    background: transparent;
    color: var(--pro-primary, #007bff);
    font-size: var(--pro-font-size-sm, 0.875rem);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--card-grid-transition), color var(--card-grid-transition);
}

.funky-card-grid__load-more:hover {
    background: var(--pro-primary, #007bff);
    color: var(--pro-text-on-primary, #ffffff);
}

.funky-card-grid__load-more:focus {
    outline: none;
    box-shadow: var(--pro-focus-ring, 0 0 0 3px rgba(0, 123, 255, 0.25));
}

.funky-card-grid__load-more:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.funky-card-grid__load-more--loading {
    pointer-events: none;
}

.funky-card-grid__load-more-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: funkyCardGridSpin 0.75s linear infinite;
    margin-right: var(--pro-space-xs, 0.25rem);
    vertical-align: middle;
}

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

/* Page Navigation */
.funky-card-grid__page-nav {
    display: flex;
    align-items: center;
    gap: var(--pro-space-xs, 0.25rem);
}

.funky-card-grid__page-buttons {
    display: flex;
    align-items: center;
    gap: var(--pro-space-xs, 0.25rem);
}

.funky-card-grid__page-btn {
    min-width: 2rem;
    height: 2rem;
    padding: 0 var(--pro-space-xs, 0.25rem);
    border: 1px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-sm, 4px);
    background: var(--pro-bg-primary, #ffffff);
    color: var(--pro-text-primary, #1a1a1a);
    font-size: var(--pro-font-size-sm, 0.875rem);
    cursor: pointer;
    transition: background var(--card-grid-transition), border-color var(--card-grid-transition);
}

.funky-card-grid__page-btn:hover:not(:disabled) {
    background: var(--pro-bg-secondary, #f5f5f5);
    border-color: var(--pro-border-emphasis, #c0c0c0);
}

.funky-card-grid__page-btn:focus {
    outline: none;
    box-shadow: var(--pro-focus-ring, 0 0 0 3px rgba(0, 123, 255, 0.25));
}

.funky-card-grid__page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.funky-card-grid__page-btn--active {
    background: var(--pro-primary, #007bff);
    border-color: var(--pro-primary, #007bff);
    color: var(--pro-text-on-primary, #ffffff);
}

.funky-card-grid__page-ellipsis {
    padding: 0 var(--pro-space-xs, 0.25rem);
    color: var(--pro-text-muted, #999999);
}

.funky-card-grid__page-info {
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-secondary, #666666);
    margin-left: var(--pro-space-sm, 0.5rem);
}

/* Infinite Scroll Trigger */
.funky-card-grid__scroll-trigger {
    height: 1px;
    width: 100%;
}

.funky-card-grid__scroll-loading {
    display: flex;
    justify-content: center;
    padding: var(--pro-space-lg, 1.5rem);
}

/* Loading Overlay */
.funky-card-grid__loading-overlay {
    position: absolute;
    inset: 0;
    background: var(--pro-bg-overlay, rgba(255, 255, 255, 0.85));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: var(--pro-radius-md, 8px);
}

.funky-card-grid--loading {
    position: relative;
    min-height: 200px;
}

/* End of Results */
.funky-card-grid__end-message {
    text-align: center;
    padding: var(--pro-space-md, 1rem);
    color: var(--pro-text-muted, #999999);
    font-size: var(--pro-font-size-sm, 0.875rem);
}

/* Dark theme pagination */
[data-theme="dark"] .funky-card-grid__load-more {
    border-color: var(--pro-primary, #007bff);
    color: var(--pro-primary, #007bff);
}

[data-theme="dark"] .funky-card-grid__load-more:hover {
    background: var(--pro-primary, #007bff);
    color: var(--pro-text-on-primary, #ffffff);
}

[data-theme="dark"] .funky-card-grid__page-btn {
    background: var(--pro-surface-dark, #1e1e1e);
    border-color: var(--pro-border-color-dark, #333);
    color: var(--pro-text-primary-dark, #e1e1e1);
}

[data-theme="dark"] .funky-card-grid__page-btn:hover:not(:disabled) {
    background: var(--pro-surface-alt-dark, #2a2a2a);
}

[data-theme="dark"] .funky-card-grid__loading-overlay {
    background: rgba(0, 0, 0, 0.85);
}

/* ==========================================================================
   Selection & Interaction (Phase 5)
   ========================================================================== */

/* Selectable cards */
.funky-card-grid--selectable .funky-card-grid__card {
    user-select: none;
    position: relative;
}

/* Selection checkbox (multi-select) */
.funky-card-grid__card-checkbox {
    position: absolute;
    top: var(--pro-space-sm, 0.5rem);
    left: var(--pro-space-sm, 0.5rem);
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-sm, 4px);
    background: var(--pro-bg-primary, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--card-grid-transition), border-color var(--card-grid-transition), background var(--card-grid-transition);
    z-index: 2;
    cursor: pointer;
}

.funky-card-grid__card:hover .funky-card-grid__card-checkbox,
.funky-card-grid__card:focus .funky-card-grid__card-checkbox,
.funky-card-grid__card--selected .funky-card-grid__card-checkbox {
    opacity: 1;
}

.funky-card-grid__card--selected .funky-card-grid__card-checkbox {
    background: var(--pro-primary, #007bff);
    border-color: var(--pro-primary, #007bff);
}

.funky-card-grid__card-checkbox-icon {
    color: var(--pro-text-on-primary, #ffffff);
    font-size: 0.75rem;
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.15s, transform 0.15s;
}

.funky-card-grid__card--selected .funky-card-grid__card-checkbox-icon {
    opacity: 1;
    transform: scale(1);
}

/* Checkbox position variants */
.funky-card-grid__card-checkbox--top-left {
    top: var(--pro-space-sm, 0.5rem);
    left: var(--pro-space-sm, 0.5rem);
    right: auto;
    bottom: auto;
}

.funky-card-grid__card-checkbox--top-right {
    top: var(--pro-space-sm, 0.5rem);
    right: var(--pro-space-sm, 0.5rem);
    left: auto;
    bottom: auto;
}

.funky-card-grid__card-checkbox--bottom-left {
    bottom: var(--pro-space-sm, 0.5rem);
    left: var(--pro-space-sm, 0.5rem);
    top: auto;
    right: auto;
}

.funky-card-grid__card-checkbox--bottom-right {
    bottom: var(--pro-space-sm, 0.5rem);
    right: var(--pro-space-sm, 0.5rem);
    top: auto;
    left: auto;
}

/* Selection toolbar */
.funky-card-grid__selection-bar {
    display: none;
    align-items: center;
    gap: var(--pro-space-md, 1rem);
    padding: var(--pro-space-sm, 0.5rem) var(--pro-space-md, 1rem);
    background: var(--pro-primary, #007bff);
    color: var(--pro-text-on-primary, #ffffff);
    border-radius: var(--pro-radius-md, 6px);
    margin-bottom: var(--pro-space-md, 1rem);
}

.funky-card-grid--has-selection .funky-card-grid__selection-bar {
    display: flex;
}

.funky-card-grid__selection-count {
    font-weight: 500;
}

.funky-card-grid__selection-actions {
    display: flex;
    gap: var(--pro-space-sm, 0.5rem);
    margin-left: auto;
}

.funky-card-grid__selection-btn {
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--pro-radius-sm, 4px);
    background: transparent;
    color: inherit;
    font-size: var(--pro-font-size-sm, 0.875rem);
    cursor: pointer;
    transition: background var(--card-grid-transition);
}

.funky-card-grid__selection-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.funky-card-grid__selection-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

/* Focus navigation indicator */
.funky-card-grid__card--focused {
    outline: 2px solid var(--pro-primary, #007bff);
    outline-offset: 2px;
}

/* Keyboard hint */
.funky-card-grid__keyboard-hint {
    position: fixed;
    bottom: var(--pro-space-md, 1rem);
    right: var(--pro-space-md, 1rem);
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    background: var(--pro-bg-elevated, #1a1a1a);
    color: var(--pro-text-on-elevated, #ffffff);
    border-radius: var(--pro-radius-sm, 4px);
    font-size: var(--pro-font-size-xs, 0.75rem);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 100;
    pointer-events: none;
}

.funky-card-grid:focus-within .funky-card-grid__keyboard-hint {
    opacity: 0.8;
}

/* Dark theme selection */
[data-theme="dark"] .funky-card-grid__card-checkbox {
    background: var(--pro-surface-dark, #1e1e1e);
    border-color: var(--pro-border-color-dark, #444);
}

[data-theme="dark"] .funky-card-grid__card--selected .funky-card-grid__card-checkbox {
    background: var(--pro-primary, #007bff);
    border-color: var(--pro-primary, #007bff);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .funky-card-grid__card-checkbox,
    .funky-card-grid__card-checkbox-icon {
        transition: none;
    }
}

/* ==========================================================================
   Virtualization
   ========================================================================== */

/* Virtualized mode wrapper */
.funky-card-grid--virtualized .funky-card-grid__grid {
    overflow: hidden;
}

/* Virtual container with fixed height */
.funky-card-grid__virtual-container {
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
    will-change: scroll-position;
    contain: layout paint;
    -webkit-overflow-scrolling: touch;
}

/* Spacer element that provides scroll height */
.funky-card-grid__virtual-spacer {
    position: relative;
    width: 100%;
}

/* Viewport containing visible cards */
.funky-card-grid__virtual-viewport {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    display: grid;
    gap: var(--card-grid-gap, 1rem);
    grid-template-columns: repeat(auto-fill, minmax(var(--card-grid-min-width, 280px), 1fr));
    contain: layout style;
}

/* List view virtualization */
.funky-card-grid--virtualized .funky-card-grid__grid--list .funky-card-grid__virtual-viewport {
    grid-template-columns: 1fr;
}

/* Custom scrollbar for virtual container */
.funky-card-grid__virtual-container::-webkit-scrollbar {
    width: 8px;
}

.funky-card-grid__virtual-container::-webkit-scrollbar-track {
    background: var(--pro-bg-subtle, #f8f9fa);
    border-radius: 4px;
}

.funky-card-grid__virtual-container::-webkit-scrollbar-thumb {
    background: var(--pro-border-color, #dee2e6);
    border-radius: 4px;
}

.funky-card-grid__virtual-container::-webkit-scrollbar-thumb:hover {
    background: var(--pro-text-muted, #6c757d);
}

/* Virtualized card pool hints */
.funky-card-grid--virtualized .funky-card-grid__card {
    contain: layout style paint;
}

/* Loading indicator during virtual scroll */
.funky-card-grid__virtual-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: var(--pro-space-sm, 0.5rem);
    padding: var(--pro-space-sm, 0.5rem) var(--pro-space-md, 1rem);
    background: var(--pro-surface, #ffffff);
    border-radius: var(--pro-radius-md, 0.5rem);
    box-shadow: var(--pro-shadow-md, 0 4px 12px rgba(0, 0, 0, 0.1));
    color: var(--pro-text-muted, #6c757d);
    font-size: var(--pro-font-size-sm, 0.875rem);
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.funky-card-grid--virtualized.is-scrolling .funky-card-grid__virtual-loading {
    opacity: 0;
}

/* Scroll performance mode - disable animations during fast scroll */
.funky-card-grid--virtualized.is-fast-scrolling .funky-card-grid__card {
    transition: none !important;
}

.funky-card-grid--virtualized.is-fast-scrolling .funky-card-grid__card:hover {
    transform: none;
    box-shadow: var(--card-grid-card-shadow);
}

/* Dark theme adjustments */
[data-theme="dark"] .funky-card-grid__virtual-container::-webkit-scrollbar-track {
    background: var(--pro-surface-dark, #1e1e1e);
}

[data-theme="dark"] .funky-card-grid__virtual-container::-webkit-scrollbar-thumb {
    background: var(--pro-border-color-dark, #444);
}

[data-theme="dark"] .funky-card-grid__virtual-loading {
    background: var(--pro-surface-dark, #1e1e1e);
}

/* Reduced motion for virtualization */
@media (prefers-reduced-motion: reduce) {
    .funky-card-grid__virtual-viewport {
        transition: none;
    }
}

/* ==========================================================================
   Playground Demo Styles
   ========================================================================== */

.card-grid-demo__container {
    width: 100%;
    min-height: 400px;
}

/* Layout Controls */
.card-grid-demo__layout-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-md, 1rem);
    align-items: center;
    margin-bottom: var(--pro-space-md, 1rem);
}

.card-grid-demo__control-group {
    display: flex;
    align-items: center;
    gap: var(--pro-space-sm, 0.5rem);
}

.card-grid-demo__label {
    font-size: var(--pro-font-size-sm, 0.875rem);
    font-weight: var(--pro-font-weight-medium, 500);
    color: var(--pro-text-secondary, #666);
    white-space: nowrap;
}

.card-grid-demo__select {
    min-width: 120px;
}

/* API Buttons */
.card-grid-demo__api-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-sm, 0.5rem);
}

/* Selection Controls */
.card-grid-demo__selection-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-md, 1rem);
    align-items: center;
}

.card-grid-demo__selection-hint {
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-muted, #999);
}

/* Virtualization Controls */
.card-grid-demo__virtualize-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-md, 1rem);
    align-items: center;
}

/* State Display */
.card-grid-demo__state {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-md, 1rem);
}

.card-grid-demo__state-item {
    display: flex;
    align-items: center;
    gap: var(--pro-space-xs, 0.25rem);
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    background: var(--pro-surface-alt, #f8f9fa);
    border-radius: var(--pro-radius-sm, 4px);
}

.card-grid-demo__state-label {
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-muted, #999);
}

.card-grid-demo__state-value {
    font-size: var(--pro-font-size-sm, 0.875rem);
    font-weight: var(--pro-font-weight-semibold, 600);
    color: var(--pro-text-primary, #1a1a1a);
}

/* Event Log */
.card-grid-demo__log {
    background: var(--pro-surface-alt, #f8f9fa);
    border: 1px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-md, 6px);
    padding: var(--pro-space-md, 1rem);
    font-family: var(--pro-font-mono, 'Consolas', monospace);
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-secondary, #666);
    max-height: 200px;
    overflow-y: auto;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Custom Card Styling for Demo */
.card-grid-demo__card-color {
    height: 4px;
    width: calc(100% + 2rem);
    margin: -1rem -1rem 0.75rem -1rem;
    border-radius: var(--pro-radius-md, 6px) var(--pro-radius-md, 6px) 0 0;
}

.card-grid-demo__card-badge {
    display: inline-block;
    padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    background: var(--pro-surface-alt, #f0f0f0);
    border-radius: var(--pro-radius-sm, 4px);
    font-size: var(--pro-font-size-xs, 0.75rem);
    font-weight: var(--pro-font-weight-medium, 500);
    color: var(--pro-text-secondary, #666);
    margin-top: var(--pro-space-sm, 0.5rem);
}

/* List View Card Styling */
.card-grid-demo__card-content--list {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    padding: 0;
}

.card-grid-demo__card-indicator {
    width: 4px;
    min-height: 100%;
    border-radius: var(--pro-radius-md, 6px) 0 0 var(--pro-radius-md, 6px);
    flex-shrink: 0;
}

.card-grid-demo__card-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--pro-space-xs, 0.25rem);
    padding: var(--pro-space-md, 1rem);
}

.card-grid-demo__card-title-row {
    display: flex;
    align-items: center;
    gap: var(--pro-space-sm, 0.5rem);
    flex-wrap: wrap;
}

.card-grid-demo__card-title-row .card-grid-demo__card-badge {
    margin-top: 0;
}

/* Dark Theme */
[data-theme="dark"] .card-grid-demo__state-item {
    background: var(--pro-surface-dark, #2a2a2a);
}

[data-theme="dark"] .card-grid-demo__state-value {
    color: var(--pro-text-primary-dark, #e1e1e1);
}

[data-theme="dark"] .card-grid-demo__log {
    background: var(--pro-surface-dark, #1e1e1e);
    border-color: var(--pro-border-color-dark, #333);
    color: var(--pro-text-secondary-dark, #a0a0a0);
}

[data-theme="dark"] .card-grid-demo__card-badge {
    background: var(--pro-surface-alt-dark, #333);
    color: var(--pro-text-secondary-dark, #a0a0a0);
}

/* ==========================================================================
   ActionBar Integration Styles (Demo)
   ========================================================================== */

.card-grid-demo__action-bar,
.demo-area div#card-grid-action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-md, 1rem);
    align-items: center;
    padding: 1em;
    background: var(--pro-surface-alt, #f8f9fa);
    border: 1px solid var(--pro-border-color, #e0e0e0);
    border-radius: var(--pro-radius-md, 6px);
    margin-bottom: var(--pro-space-md, 1rem);
}

.card-grid-demo__action-bar .action-bar__group {
    display: flex;
    align-items: center;
    gap: var(--pro-space-sm, 0.5rem);
    transition: opacity 0.2s ease;
}

.card-grid-demo__action-bar .action-bar__group--disabled {
    opacity: 0.5;
    pointer-events: none;
}

.card-grid-demo__action-bar .action-bar__group--search {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.card-grid-demo__action-bar .action-bar__group--search input {
    flex: 1;
}

.card-grid-demo__action-bar .action-bar__group--count {
    margin-left: auto;
}

.card-grid-demo__action-bar .action-bar__label {
    font-size: var(--pro-font-size-sm, 0.875rem);
    font-weight: var(--pro-font-weight-medium, 500);
    color: var(--pro-text-muted, #6c757d);
    white-space: nowrap;
}

.card-grid-demo__action-bar .action-bar__count {
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-muted, #6c757d);
    white-space: nowrap;
}

/* Toolbar Status Indicators */
.card-grid-demo__toolbar-status {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pro-space-md, 1rem);
    padding: var(--pro-space-sm, 0.5rem) var(--pro-space-md, 1rem);
    background: var(--pro-bg-secondary, #f5f5f5);
    border-radius: var(--pro-radius-sm, 4px);
    margin-top: var(--pro-space-sm, 0.5rem);
}

.card-grid-demo__status-item {
    display: flex;
    align-items: center;
    gap: var(--pro-space-xs, 0.25rem);
    font-size: var(--pro-font-size-sm, 0.875rem);
    color: var(--pro-text-secondary, #666);
}

.card-grid-demo__status-item i {
    font-size: 0.5rem;
}

.card-grid-demo__status-item strong {
    font-weight: var(--pro-font-weight-semibold, 600);
}

/* Dark Theme */
[data-theme="dark"] .card-grid-demo__action-bar {
    background: var(--pro-surface-dark, #1e1e1e);
    border-color: var(--pro-border-color-dark, #333);
}

[data-theme="dark"] .card-grid-demo__toolbar-status {
    background: var(--pro-surface-alt-dark, #2a2a2a);
}

[data-theme="dark"] .card-grid-demo__status-item {
    color: var(--pro-text-secondary-dark, #a0a0a0);
}

/* Responsive */
@media (max-width: 767.98px) {
    .card-grid-demo__action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .card-grid-demo__action-bar .action-bar__group {
        width: 100%;
    }

    .card-grid-demo__action-bar .action-bar__group--search {
        max-width: none;
    }

    .card-grid-demo__action-bar .action-bar__group--count {
        margin-left: 0;
        justify-content: center;
    }

    .card-grid-demo__toolbar-status {
        flex-direction: column;
        gap: var(--pro-space-xs, 0.25rem);
    }

    .card-grid-demo__layout-controls,
    .card-grid-demo__selection-controls,
    .card-grid-demo__virtualize-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .card-grid-demo__api-buttons {
        gap: var(--pro-space-xs, 0.25rem);
    }

    .card-grid-demo__api-buttons .btn {
        font-size: var(--pro-font-size-xs, 0.75rem);
        padding: var(--pro-space-xs, 0.25rem) var(--pro-space-sm, 0.5rem);
    }
}