/**
 * ID Post Grid Styles
 * Base CSS - customize via theme or additional CSS
 */

/* ==========================================================================
   Variables (override in your theme)
   ========================================================================== */
:root {
    --id-pg-primary: #0073aa;
    --id-pg-primary-hover: #005a87;
    --id-pg-text: #333;
    --id-pg-text-light: #666;
    --id-pg-border: #ddd;
    --id-pg-bg: #fff;
    --id-pg-bg-light: #f7f7f7;
    --id-pg-radius: 4px;
    --id-pg-transition: 0.3s ease;
}

/* ==========================================================================
   Wrapper
   ========================================================================== */
.id-post-grid-wrapper {
    width: 100%;
    position: relative;
}

/* ==========================================================================
   Controls (Search & Filter)
   ========================================================================== */
.id-post-grid-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

/* Search */
.id-post-grid-search {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.id-post-grid-search-input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 1px solid var(--id-pg-border);
    border-radius: var(--id-pg-radius);
    font-size: 16px;
    transition: border-color var(--id-pg-transition);
}

.id-post-grid-search-input:focus {
    outline: none;
    border-color: var(--id-pg-primary);
}

.id-post-grid-search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 20px;
    color: var(--id-pg-text-light);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--id-pg-transition), color var(--id-pg-transition);
}

.id-post-grid-search-clear.visible {
    opacity: 1;
    visibility: visible;
}

.id-post-grid-search-clear:hover {
    color: var(--id-pg-text);
}

/* Filter */
.id-post-grid-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Controls alignment */
.id-post-grid-controls-left {
    align-items: flex-start;
}
.id-post-grid-controls-left .id-post-grid-filter {
    justify-content: flex-start;
}

.id-post-grid-controls-center {
    align-items: center;
}
.id-post-grid-controls-center .id-post-grid-filter {
    justify-content: center;
}

.id-post-grid-controls-right {
    align-items: flex-end;
}
.id-post-grid-controls-right .id-post-grid-filter {
    justify-content: flex-end;
}

.id-post-grid-filter-btn {
    padding: 8px 16px;
    background: var(--id-pg-bg-light);
    border: 1px solid var(--id-pg-border);
    border-radius: var(--id-pg-radius);
    font-size: 14px;
    color: var(--id-pg-text);
    cursor: pointer;
    transition: all var(--id-pg-transition);
}

.id-post-grid-filter-btn:hover {
    background: var(--id-pg-border);
}

.id-post-grid-filter-btn.active {
    background: var(--id-pg-primary);
    border-color: var(--id-pg-primary);
    color: #fff;
}

/* ==========================================================================
   Grid
   ========================================================================== */
.id-post-grid {
    display: grid;
    grid-template-columns: repeat(var(--id-grid-columns, 3), 1fr);
    gap: var(--id-grid-gap, 30px);
    transition: opacity var(--id-pg-transition);
}

/* Responsive columns */
@media (max-width: 991px) {
    .id-post-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .id-post-grid {
        grid-template-columns: 1fr;
    }
    
    .id-post-grid-search {
        max-width: none;
    }
}

/* ==========================================================================
   Grid Item (shared styles)
   ========================================================================== */
.id-post-grid-item {
    background: var(--id-pg-bg);
    border-radius: var(--id-pg-radius);
    overflow: hidden;
    transition: transform var(--id-pg-transition), box-shadow var(--id-pg-transition);
}

.id-post-grid-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.id-post-grid-item-image {
    position: relative;
    overflow: hidden;
}

.id-post-grid-item-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--id-pg-transition);
}

.id-post-grid-item:hover .id-post-grid-item-image img {
    transform: scale(1.05);
}

.id-post-grid-item-image-placeholder {
    background: var(--id-pg-bg-light);
    padding-bottom: 66.67%;
}

.id-post-grid-item-content {
    padding: 20px;
}

.id-post-grid-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: var(--id-pg-text-light);
    margin-bottom: 10px;
}

.id-post-grid-item-category a {
    color: var(--id-pg-primary);
    text-decoration: none;
    transition: color var(--id-pg-transition);
}

.id-post-grid-item-category a:hover {
    color: var(--id-pg-primary-hover);
}

.id-post-grid-item-title {
    margin: 0 0 10px 0;
    font-size: 20px;
    line-height: 1.3;
}

.id-post-grid-item-title a {
    color: var(--id-pg-text);
    text-decoration: none;
    transition: color var(--id-pg-transition);
}

.id-post-grid-item-title a:hover {
    color: var(--id-pg-primary);
}

.id-post-grid-item-excerpt {
    color: var(--id-pg-text-light);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.id-post-grid-item-read-more {
    display: inline-block;
    color: var(--id-pg-primary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--id-pg-transition), background-color var(--id-pg-transition);
}

.id-post-grid-item-read-more:hover {
    color: var(--id-pg-primary-hover);
}

/* Read More: button mode */
.id-post-grid-item-read-more.id-post-grid-rm-btn {
    background-color: var(--id-pg-btn-color, var(--id-pg-primary));
    color: #fff;
    padding: 8px 20px;
    text-align: center;
}

.id-post-grid-item-read-more.id-post-grid-rm-btn:hover {
    color: #fff;
    filter: brightness(0.85);
}

/* ==========================================================================
   Button Styles: square, rounded, pill
   Applied to filter buttons, load more, and read more (button mode)
   via wrapper class .id-post-grid-style-{style}
   ========================================================================== */

/* -- Custom button color via --id-pg-btn-color -- */
.id-post-grid-wrapper[style*="--id-pg-btn-color"] .id-post-grid-filter-btn.active {
    background: var(--id-pg-btn-color);
    border-color: var(--id-pg-btn-color);
}

.id-post-grid-wrapper[style*="--id-pg-btn-color"] .id-post-grid-load-more {
    background: var(--id-pg-btn-color);
}

.id-post-grid-wrapper[style*="--id-pg-btn-color"] .id-post-grid-filter-btn.active:hover,
.id-post-grid-wrapper[style*="--id-pg-btn-color"] .id-post-grid-load-more:hover {
    filter: brightness(0.85);
}

/* -- Square -- */
.id-post-grid-style-square .id-post-grid-filter-btn {
    border-radius: 0;
}

.id-post-grid-style-square .id-post-grid-load-more {
    border-radius: 0;
}

.id-post-grid-style-square .id-post-grid-rm-btn {
    border-radius: 0;
}

/* -- Rounded -- */
.id-post-grid-style-rounded .id-post-grid-filter-btn {
    border-radius: 4px;
}

.id-post-grid-style-rounded .id-post-grid-load-more {
    border-radius: 4px;
}

.id-post-grid-style-rounded .id-post-grid-rm-btn {
    border-radius: 4px;
}

/* -- Pill -- */
.id-post-grid-style-pill .id-post-grid-filter-btn {
    border-radius: 999px;
}

.id-post-grid-style-pill .id-post-grid-load-more {
    border-radius: 999px;
}

.id-post-grid-style-pill .id-post-grid-rm-btn {
    border-radius: 999px;
}

/* ==========================================================================
   Template: Card
   ========================================================================== */
.id-post-grid-template-card .id-post-grid-item {
    border: 1px solid var(--id-pg-border);
}

/* ==========================================================================
   Template: Overlay
   ========================================================================== */
.id-post-grid-template-overlay .id-post-grid-item {
    position: relative;
    min-height: 300px;
}

.id-post-grid-template-overlay .id-post-grid-item-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.id-post-grid-template-overlay .id-post-grid-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.id-post-grid-template-overlay .id-post-grid-item-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 60%);
}

.id-post-grid-template-overlay .id-post-grid-item-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 20px 20px;
    z-index: 1;
}

.id-post-grid-template-overlay .id-post-grid-item-meta,
.id-post-grid-template-overlay .id-post-grid-item-title a,
.id-post-grid-template-overlay .id-post-grid-item-excerpt,
.id-post-grid-template-overlay .id-post-grid-item-read-more {
    color: #fff;
}

.id-post-grid-template-overlay .id-post-grid-item-category a {
    color: rgba(255, 255, 255, 0.8);
}

.id-post-grid-template-overlay .id-post-grid-item-category a:hover,
.id-post-grid-template-overlay .id-post-grid-item-title a:hover,
.id-post-grid-template-overlay .id-post-grid-item-read-more:hover {
    color: #fff;
}

/* ==========================================================================
   Template: Minimal
   ========================================================================== */
.id-post-grid-template-minimal .id-post-grid-item {
    background: transparent;
}

.id-post-grid-template-minimal .id-post-grid-item:hover {
    transform: none;
    box-shadow: none;
}

.id-post-grid-template-minimal .id-post-grid-item-content {
    padding: 15px 0;
}

.id-post-grid-template-minimal .id-post-grid-item-image img {
    border-radius: var(--id-pg-radius);
}

/* ==========================================================================
   Template: Horizontal
   ========================================================================== */
.id-post-grid-template-horizontal .id-post-grid {
    grid-template-columns: 1fr;
}

.id-post-grid-template-horizontal .id-post-grid-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    border: 1px solid var(--id-pg-border);
}

.id-post-grid-template-horizontal .id-post-grid-item-image img {
    height: 100%;
    object-fit: cover;
}

.id-post-grid-template-horizontal .id-post-grid-item-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 25px 30px;
}

@media (max-width: 767px) {
    .id-post-grid-template-horizontal .id-post-grid-item {
        grid-template-columns: 1fr;
    }
    
    .id-post-grid-template-horizontal .id-post-grid-item-image {
        max-height: 200px;
    }
}

/* ==========================================================================
   Load More
   ========================================================================== */
.id-post-grid-load-more-wrapper {
    text-align: center;
    margin-top: 40px;
}

.id-post-grid-load-more {
    padding: 14px 40px;
    background: var(--id-pg-primary);
    border: none;
    border-radius: var(--id-pg-radius);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--id-pg-transition);
}

.id-post-grid-load-more:hover {
    background: var(--id-pg-primary-hover);
}

.id-post-grid-load-more:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ==========================================================================
   Loading & No Results
   ========================================================================== */
.id-post-grid-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.id-post-grid-spinner {
    display: block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--id-pg-border);
    border-top-color: var(--id-pg-primary);
    border-radius: 50%;
    animation: id-post-grid-spin 0.8s linear infinite;
}

@keyframes id-post-grid-spin {
    to {
        transform: rotate(360deg);
    }
}

.id-post-grid-no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--id-pg-text-light);
    font-size: 18px;
}

/* ==========================================================================
   Featured Post
   ========================================================================== */
.id-post-grid-item-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--id-pg-border);
}

.id-post-grid-item-featured .id-post-grid-item-image img {
    height: 100%;
    object-fit: cover;
}

.id-post-grid-item-featured .id-post-grid-item-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px 40px;
}

.id-post-grid-item-featured .id-post-grid-item-title {
    font-size: 28px;
}

.id-post-grid-item-featured .id-post-grid-item-excerpt {
    font-size: 16px;
}

/* Overlay template: featured keeps overlay style but full width */
.id-post-grid-template-overlay .id-post-grid-item-featured {
    display: block;
    min-height: 400px;
}

/* Horizontal template: featured just spans full width (already horizontal) */
.id-post-grid-template-horizontal .id-post-grid-item-featured {
    grid-template-columns: 400px 1fr;
}

/* Minimal template: featured uses grid layout */
.id-post-grid-template-minimal .id-post-grid-item-featured {
    border: none;
}

@media (max-width: 767px) {
    .id-post-grid-item-featured {
        grid-template-columns: 1fr;
    }

    .id-post-grid-item-featured .id-post-grid-item-content {
        padding: 20px;
    }

    .id-post-grid-item-featured .id-post-grid-item-title {
        font-size: 22px;
    }

    .id-post-grid-template-horizontal .id-post-grid-item-featured {
        grid-template-columns: 1fr;
    }
}