/* OB Advanced Post Grid - Frontend Styles */

/* CSS Variables with defaults */
.ob-apg-wrapper {
    --ob-apg-columns: 3;
    --ob-apg-columns-tablet: 2;
    --ob-apg-columns-mobile: 1;
    --ob-apg-gap: 24px;
    --ob-apg-card-radius: 8px;
    --ob-apg-image-radius: 8px;
    --ob-apg-card-bg: transparent;
    --ob-apg-title-color: inherit;
    --ob-apg-title-hover-color: var(--ob-apg-filter-active-bg, #f97316);
    --ob-apg-excerpt-color: #64748b;
    --ob-apg-meta-color: #94a3b8;
    --ob-apg-filter-bg: #eaf3ff;
    --ob-apg-filter-color: #174a7c;
    --ob-apg-filter-active-bg: #f97316;
    --ob-apg-filter-active-color: #ffffff;
    --ob-apg-btn-bg: #174a7c;
    --ob-apg-btn-color: #ffffff;
    --ob-apg-btn-hover-bg: #334155;
    --ob-apg-btn-hover-color: #ffffff;
    --ob-apg-title-size: 1.125rem;
    --ob-apg-title-weight: 600;
    --ob-apg-title-line-height: 1.3;
    --ob-apg-excerpt-size: 0.9375rem;
    --ob-apg-meta-size: 0.8125rem;
    --ob-apg-card-shadow: none;
    --ob-apg-card-hover-shadow: none;
    --ob-apg-card-border: none;
    --ob-apg-content-padding: 16px 0 0 0;
}

/* Filters */
.ob-apg-filters {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    margin-bottom: 24px;
    overflow-x: auto;
    padding: 4px 2px 10px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    cursor: grab;
    user-select: none;
}

.ob-apg-filters--dragging {
    cursor: grabbing;
    scroll-behavior: auto;
}

.ob-apg-filters::-webkit-scrollbar {
    display: none;
}

.ob-apg-filters--center {
    justify-content: center;
}

.ob-apg-filters--right {
    justify-content: flex-end;
}

.ob-apg-filter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    padding: 8px 16px;
    border: 1px solid rgba(23, 74, 124, 0.18);
    background: var(--ob-apg-filter-bg);
    color: var(--ob-apg-filter-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(23, 74, 124, 0.08);
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

/* Filter Styles */
.ob-apg-filters--pills .ob-apg-filter-btn {
    border-radius: 4px;
}

.ob-apg-filters--buttons .ob-apg-filter-btn {
    border-radius: 6px;
}

.ob-apg-filters--underline .ob-apg-filter-btn {
    background: transparent;
    border-radius: 0;
    padding: 8px 4px;
    border: none;
    border-bottom: 2px solid transparent;
    box-shadow: none;
}

.ob-apg-filters--underline .ob-apg-filter-btn.ob-apg-filter-btn--active {
    background: transparent;
    border-bottom-color: var(--ob-apg-filter-active-bg);
    color: var(--ob-apg-filter-active-bg);
}

.ob-apg-filters--minimal .ob-apg-filter-btn {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    padding: 8px 12px;
}

.ob-apg-filters--minimal .ob-apg-filter-btn.ob-apg-filter-btn--active {
    background: transparent;
    color: var(--ob-apg-filter-active-bg);
    font-weight: 600;
}

.ob-apg-filter-btn:hover {
    background: var(--ob-apg-filter-active-bg);
    border-color: var(--ob-apg-filter-active-bg);
    color: var(--ob-apg-filter-active-color);
    box-shadow: 0 6px 14px rgba(249, 115, 22, 0.22);
    transform: translateY(-1px);
}

.ob-apg-filter-btn.ob-apg-filter-btn--active {
    background: var(--ob-apg-filter-active-bg);
    border-color: var(--ob-apg-filter-active-bg);
    color: var(--ob-apg-filter-active-color);
    box-shadow: 0 6px 14px rgba(249, 115, 22, 0.24);
}

/* Grid */
.ob-apg-grid {
    display: grid;
    grid-template-columns: repeat(var(--ob-apg-columns), 1fr);
    gap: var(--ob-apg-gap);
}

/* Card */
.ob-apg-card {
    display: flex;
    flex-direction: column;
    background: var(--ob-apg-card-bg);
    border-radius: var(--ob-apg-card-radius);
    box-shadow: var(--ob-apg-card-shadow);
    border: var(--ob-apg-card-border);
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.ob-apg-card:hover {
    box-shadow: var(--ob-apg-card-hover-shadow);
}

.ob-apg-card--hidden {
    display: none;
}

/* Card Image */
.ob-apg-card__image {
    position: relative;
    overflow: hidden;
    border-radius: var(--ob-apg-image-radius);
}

.ob-apg-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.ob-apg-card:hover .ob-apg-card__image img {
    transform: scale(1.05);
}

.ob-apg-card__image a {
    display: block;
    height: 100%;
}

/* Card Content */
.ob-apg-card__content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: var(--ob-apg-content-padding);
}

/* Card Meta */
.ob-apg-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: var(--ob-apg-meta-size);
    color: var(--ob-apg-meta-color);
}

.ob-apg-card__meta--top {
    margin-bottom: 8px;
}

.ob-apg-card__meta--bottom {
    margin-top: auto;
    padding-top: 12px;
}

.ob-apg-card__meta a {
    color: inherit;
    text-decoration: none;
}

.ob-apg-card__meta a:hover {
    color: var(--ob-apg-title-hover-color);
}

.ob-apg-card__category {
    display: inline-block;
    padding: 4px 8px;
    background: var(--ob-apg-filter-bg);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ob-apg-card__date::after {
    content: '•';
    margin-left: 8px;
}

.ob-apg-card__date:last-child::after {
    display: none;
}

/* Card Title */
.ob-apg-card__title {
    margin: 0 0 8px 0;
    font-size: var(--ob-apg-title-size);
    font-weight: var(--ob-apg-title-weight);
    line-height: var(--ob-apg-title-line-height);
}

.ob-apg-card__title a {
    color: var(--ob-apg-title-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.ob-apg-card__title a:hover {
    color: var(--ob-apg-title-hover-color);
}

/* Card Excerpt */
.ob-apg-card__excerpt {
    margin: 0 0 12px 0;
    font-size: var(--ob-apg-excerpt-size);
    color: var(--ob-apg-excerpt-color);
    line-height: 1.6;
}

/* Read More */
.ob-apg-card__readmore {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
    padding-top: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ob-apg-title-hover-color);
    text-decoration: none;
    transition: gap 0.2s ease;
}

.ob-apg-card__readmore:hover {
    gap: 8px;
}

.ob-apg-card__readmore::after {
    content: '→';
}

/* Show More Button */
.ob-apg-showmore {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

.ob-apg-showmore__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border: none;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ob-apg-showmore__btn--button {
    background: var(--ob-apg-btn-bg);
    color: var(--ob-apg-btn-color);
    border-radius: 8px;
}

.ob-apg-showmore__btn--button:hover {
    background: var(--ob-apg-btn-hover-bg);
    color: var(--ob-apg-btn-hover-color);
}

.ob-apg-showmore__btn--outline {
    background: transparent;
    color: var(--ob-apg-btn-bg);
    border: 2px solid var(--ob-apg-btn-bg);
    border-radius: 8px;
}

.ob-apg-showmore__btn--outline:hover {
    background: var(--ob-apg-btn-bg);
    color: var(--ob-apg-btn-color);
}

.ob-apg-showmore__btn--link {
    background: transparent;
    color: var(--ob-apg-btn-bg);
    padding: 8px 16px;
    text-decoration: underline;
}

.ob-apg-showmore__btn--link:hover {
    opacity: 0.7;
}

.ob-apg-showmore__text-less {
    display: none;
}

.ob-apg-wrapper--expanded .ob-apg-showmore__text-more {
    display: none;
}

.ob-apg-wrapper--expanded .ob-apg-showmore__text-less {
    display: inline;
}

/* List Layout */
.ob-apg-wrapper[data-layout="list"] .ob-apg-grid {
    grid-template-columns: 1fr;
}

.ob-apg-wrapper[data-layout="list"] .ob-apg-card {
    flex-direction: row;
    align-items: flex-start;
}

.ob-apg-wrapper[data-layout="list"] .ob-apg-card__image {
    flex-shrink: 0;
    width: 280px;
    height: auto;
}

.ob-apg-wrapper[data-layout="list"] .ob-apg-card__content {
    padding: 0 0 0 24px;
}

/* Carousel Layout */
.ob-apg-wrapper[data-layout="carousel"] {
    position: relative;
    overflow: hidden;
}

.ob-apg-wrapper[data-layout="carousel"] .ob-apg-grid {
    display: flex;
    transition: transform 0.4s ease;
}

.ob-apg-wrapper[data-layout="carousel"] .ob-apg-card {
    flex: 0 0 calc(100% / var(--ob-apg-columns));
    padding: 0 calc(var(--ob-apg-gap) / 2);
}

.ob-apg-carousel-prev,
.ob-apg-carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ob-apg-btn-bg);
    color: var(--ob-apg-btn-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.ob-apg-carousel-prev:hover,
.ob-apg-carousel-next:hover {
    background: var(--ob-apg-btn-hover-bg);
    transform: translateY(-50%) scale(1.05);
}

.ob-apg-carousel-prev {
    left: 8px;
}

.ob-apg-carousel-next {
    right: 8px;
}

.ob-apg-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.ob-apg-carousel-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--ob-apg-filter-bg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.ob-apg-carousel-dot:hover,
.ob-apg-carousel-dot.active {
    background: var(--ob-apg-filter-active-bg);
}

/* No Posts Message */
.ob-apg-no-posts {
    padding: 48px;
    text-align: center;
    background: #f8fafc;
    border-radius: 8px;
    color: #64748b;
}

/* Responsive */
@media (max-width: 1024px) {
    .ob-apg-grid {
        grid-template-columns: repeat(var(--ob-apg-columns-tablet), 1fr);
    }
    
    .ob-apg-wrapper[data-layout="carousel"] .ob-apg-card {
        flex: 0 0 calc(100% / var(--ob-apg-columns-tablet));
    }
    
    .ob-apg-wrapper[data-layout="list"] .ob-apg-card__image {
        width: 200px;
    }
}

@media (max-width: 768px) {
    .ob-apg-grid {
        grid-template-columns: repeat(var(--ob-apg-columns-mobile), 1fr);
    }
    
    .ob-apg-wrapper[data-layout="carousel"] .ob-apg-card {
        flex: 0 0 calc(100% / var(--ob-apg-columns-mobile));
    }
    
    .ob-apg-wrapper[data-layout="list"] .ob-apg-card {
        flex-direction: column;
    }
    
    .ob-apg-wrapper[data-layout="list"] .ob-apg-card__image {
        width: 100%;
    }
    
    .ob-apg-wrapper[data-layout="list"] .ob-apg-card__content {
        padding: 16px 0 0 0;
    }
    
    .ob-apg-filters {
        justify-content: flex-start;
        margin-bottom: 20px;
    }
    
    .ob-apg-carousel-prev,
    .ob-apg-carousel-next {
        width: 36px;
        height: 36px;
    }
}

/* Animation Classes */
.ob-apg-card--fade-enter {
    opacity: 0;
    transform: translateY(10px);
}

.ob-apg-card--fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Accessibility */
.ob-apg-filter-btn:focus,
.ob-apg-showmore__btn:focus,
.ob-apg-carousel-prev:focus,
.ob-apg-carousel-next:focus,
.ob-apg-carousel-dot:focus {
    outline: 2px solid var(--ob-apg-filter-active-bg);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .ob-apg-card,
    .ob-apg-card__image img,
    .ob-apg-filter-btn,
    .ob-apg-showmore__btn,
    .ob-apg-wrapper[data-layout="carousel"] .ob-apg-grid {
        transition: none;
    }
}