/* 
 * AURA Data Grid Component
 * Reusable data grid with HUD styling, filtering, and responsive design
 * Usage: {--% include 'components/data_grid.html' with items=posts grid_type="datalogs" columns=3 %--}
 * Version: 1.0.1
 */

/* AURA Data Grid Styles */
.aura-data-grid {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

/* Grid Controls Header */
.grid-controls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: 
        var(--gradient-glass),
        rgba(13, 13, 31, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(15px);
}

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

/* View Toggle */
.view-toggle {
    display: flex;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.view-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.view-btn:hover {
    background: rgba(38, 198, 218, 0.1);
    color: var(--color-teal);
}

.view-btn.active {
    background: rgba(38, 198, 218, 0.2);
    color: var(--color-teal);
    box-shadow: inset 0 0 10px rgba(38, 198, 218, 0.3);
}

/* Results Count */
.results-count {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-code);
    font-size: 0.9rem;
}

.count-value {
    color: var(--color-teal);
    font-weight: 600;
}

.count-label {
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sort Dropdown */
.sort-dropdown select {
    background: 
        var(--gradient-glass),
        rgba(7, 7, 18, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 150px;
}

/* Filter Toggle */
.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.filter-toggle:hover,
.filter-toggle.active {
    background: rgba(38, 198, 218, 0.1);
    border-color: rgba(38, 198, 218, 0.3);
    color: var(--color-teal);
}

/* Grid Container */
.data-grid-container {
    display: grid;
    gap: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
}

/* Grid View Layout */
.data-grid-container.grid-view {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

/* List View Layout */
.data-grid-container.list-view {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.data-grid-container.list-view .grid-item {
    display: flex;
    /* align-items: center; */
    padding: var(--spacing-md);
}

.data-grid-container.list-view .item-content {
    flex: 1;
    margin-right: var(--spacing-lg);
}

.data-grid-container.list-view .item-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.data-grid-container.list-view .item-excerpt {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* Compact View Layout */
.data-grid-container.compact-view {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.data-grid-container.compact-view .grid-item {
    padding: var(--spacing-sm) var(--spacing-md);
}

.data-grid-container.compact-view .item-header,
.data-grid-container.compact-view .item-visual,
.data-grid-container.compact-view .item-progress {
    display: none;
}

.data-grid-container.compact-view .item-content {
    margin-bottom: var(--spacing-sm);
}

/* Grid Item Base Styles */
.grid-item {
    background: 
        var(--gradient-glass),
        rgba(13, 13, 31, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.grid-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.6;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(38, 198, 218, 0.2);
    border-color: rgba(38, 198, 218, 0.3);
}

/* Item Header */
.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.item-id {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-teal);
    background: rgba(38, 198, 218, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(38, 198, 218, 0.3);
    font-weight: 600;
}

.item-category {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.2rem 0.6rem;
    background: rgba(var(--category-color), 0.1);
    border: 1px solid rgba(var(--category-color), 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--category-color);
    font-family: var(--font-code);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.status-text {
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: var(--color-mint);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.item-featured {
    color: var(--color-yellow);
    font-size: 0.9rem;
}

/* Item Visual */
.item-visual {
    position: relative;
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 16/9;
}

.item-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.item-visual:hover .visual-overlay {
    opacity: 1;
}

.item-visual:hover img {
    transform: scale(1.05);
}

.overlay-icon {
    color: var(--color-text);
    font-size: 1.5rem;
}

/* Item Content */
.item-content {
    flex: 1;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.item-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.item-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.item-title a:hover {
    color: var(--color-teal);
}

.item-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

/* Item Progress (for projects) */
.item-progress {
    margin-bottom: var(--spacing-md);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.progress-percentage {
    color: var(--color-teal);
    font-weight: 600;
}

.progress-bar-container {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width var(--transition-normal);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: progressScan 2s linear infinite;
}

@keyframes progressScan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Item Metadata */
.item-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    padding: 0.2rem 0.4rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
}

.meta-item i {
    font-size: 0.7rem;
    color: var(--color-teal);
}

/* Complexity indicators */
.complexity-1 { color: var(--color-mint); }
.complexity-2 { color: var(--color-teal); }
.complexity-3 { color: var(--color-yellow); }
.complexity-4 { color: var(--color-coral); }
.complexity-5 { color: var(--color-lavender); }

/* Item Footer */
.item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    position: relative;
    z-index: 2;
}

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

.item-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.item-action-btn:hover {
    background: rgba(38, 198, 218, 0.1);
    border-color: rgba(38, 198, 218, 0.3);
    color: var(--color-teal);
    transform: translateY(-2px);
}

.item-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-teal);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(38, 198, 218, 0.3);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.item-link:hover {
    background: rgba(38, 198, 218, 0.1);
    color: var(--color-teal);
    transform: translateX(3px);
}

/* Item Scanning Line Effect */
.item-scanning-line {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(38, 198, 218, 0.1) 50%, 
        transparent 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.grid-item:hover .item-scanning-line {
    opacity: 1;
    animation: scanHorizontal 1s linear;
}

@keyframes scanHorizontal {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Empty State */
.grid-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xxl);
    background: 
        var(--gradient-glass),
        rgba(13, 13, 31, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(20px);
}

.empty-icon {
    font-size: 3rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
}

.empty-title {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.empty-message {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Loading Overlay */
.grid-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 7, 18, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--color-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    color: var(--color-text-secondary);
    font-family: var(--font-code);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .data-grid-container.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 991px) {
    .grid-controls-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .controls-left,
    .controls-right {
        justify-content: space-between;
    }
    
    .data-grid-container.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .grid-item {
        padding: var(--spacing-md);
    }
}

@media (max-width: 767px) {
    .data-grid-container.grid-view {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .controls-left,
    .controls-right {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .view-toggle {
        width: 100%;
    }
    
    .view-btn {
        flex: 1;
    }
    
    .sort-dropdown select {
        width: 100%;
    }
    
    .filter-toggle {
        width: 100%;
        justify-content: center;
    }
    
    .item-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .item-link {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .grid-item {
        padding: var(--spacing-sm);
    }
    
    .item-header {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }
    
    .item-metadata {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .meta-item {
        justify-content: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .grid-item,
    .item-link,
    .item-action-btn,
    .view-btn,
    .filter-toggle,
    .item-scanning-line,
    .progress-bar::after {
        transition: none;
        animation: none;
    }
    
    .grid-item:hover {
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .grid-item,
    .grid-controls-header {
        border-width: 2px;
        backdrop-filter: none;
        background: rgba(13, 13, 31, 0.9);
    }
}

/* Focus indicators */
.grid-item:focus-within,
.item-link:focus,
.item-action-btn:focus,
.view-btn:focus,
.filter-toggle:focus {
    outline: 2px solid var(--color-teal);
    outline-offset: 2px;
}