/**
 * MPR Facebook Feed - Styles
 *
 * @author    mypresta.rocks <info@mypresta.rocks>
 * @copyright Copyright (c) mypresta.rocks
 * @license   Commercial license
 */

/* --- Section Container ---------------------------------------------------- */

.mprfacebook-section {
    padding: 32px 0;
    margin: 24px 0;
}

/* --- Header (title left, page link right) -------------------------------- */

.mprfacebook-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e1e8ed;
}

.mprfacebook-header__left {
    min-width: 0;
}

.mprfacebook-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #262626;
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.mprfacebook-icon {
    flex-shrink: 0;
    color: #1877F2;
}

/* --- Profile Link (header pill) ------------------------------------------ */

.mprfacebook-profile-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 18px;
    background: #1564CC;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.82rem;
    border-radius: 9999px;
    transition: opacity 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1.4;
    box-shadow: 0 2px 8px rgba(24, 119, 242, 0.25);
}

.mprfacebook-profile-link:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(24, 119, 242, 0.35);
}

/* --- Grid Layout --------------------------------------------------------- */

.mprfacebook-grid {
    display: grid;
    grid-template-columns: repeat(var(--mprfacebook-columns, 4), 1fr);
    gap: var(--mprfacebook-gap, 10px);
}

/* Adaptive: if only 1-2 posts, don't stretch across full grid */
[data-count="1"] .mprfacebook-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
}

[data-count="2"] .mprfacebook-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
}

/* --- Post Item ----------------------------------------------------------- */

.mprfacebook-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--mprfacebook-radius, 8px);
    background: #fafafa;
    border: 1px solid #e1e8ed;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.mprfacebook-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.mprfacebook-image-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    overflow: hidden;
    background: #efefef;
}

.mprfacebook-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease, opacity 0.3s ease;
}

/* Lazy load placeholder */
.mprfacebook-lazy {
    opacity: 0;
    background: linear-gradient(135deg, #f5f5f5 25%, #e8e8e8 50%, #f5f5f5 75%);
    background-size: 400% 100%;
    animation: mprfacebook-shimmer 1.5s ease infinite;
}

.mprfacebook-lazy.mprfacebook-loaded {
    opacity: 1;
    animation: none;
    background: none;
}

@keyframes mprfacebook-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Overlay (hover effect: overlay) ------------------------------------- */

.mprfacebook-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.mprfacebook-overlay-content {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
}

.mprfacebook-stat {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Hover effects */
[data-hover="overlay"] .mprfacebook-item:hover .mprfacebook-overlay {
    opacity: 1;
}

[data-hover="zoom"] .mprfacebook-item:hover .mprfacebook-image {
    transform: scale(1.1);
}

[data-hover="fade"] .mprfacebook-item:hover .mprfacebook-image {
    opacity: 0.75;
}

[data-hover="overlay"] .mprfacebook-item:hover .mprfacebook-image {
    transform: scale(1.05);
}

[data-hover="none"] .mprfacebook-overlay {
    display: none;
}

/* Item hover elevation */
.mprfacebook-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    border-color: #dbdbdb;
}

/* --- Post Metadata ------------------------------------------------------- */

.mprfacebook-meta {
    padding: 10px 12px;
    font-size: 0.82rem;
    line-height: 1.4;
    color: #262626;
    border-top: 1px solid #eff3f4;
}

.mprfacebook-author {
    display: block;
    font-weight: 700;
    color: #262626;
    margin-bottom: 4px;
    font-size: 0.8rem;
}

.mprfacebook-caption {
    margin: 0 0 6px 0;
    color: #555;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mprfacebook-date {
    display: block;
    color: #696969;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* --- Slider Layout ------------------------------------------------------- */

.mprfacebook-slider-wrapper {
    position: relative;
    padding: 0;
}

.mprfacebook-slider {
    overflow: hidden;
    width: 100%;
}

.mprfacebook-slider-track {
    display: flex;
    gap: var(--mprfacebook-gap, 10px);
    transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform;
}

.mprfacebook-slide {
    flex: 0 0 calc((100% - var(--mprfacebook-gap, 10px) * (var(--mprfacebook-columns, 4) - 1)) / var(--mprfacebook-columns, 4));
    min-width: 0;
}

.mprfacebook-slide .mprfacebook-item {
    height: 100%;
}

.mprfacebook-slider-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.mprfacebook-slider-nav__controls {
    display: flex;
    align-items: center;
    gap: 14px;
}

.mprfacebook-slider-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #e1e8ed;
    background: #fff;
    color: #262626;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    padding: 0;
    flex-shrink: 0;
}

.mprfacebook-slider-btn:hover {
    background: #fafafa;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-color: #cfd9de;
}

.mprfacebook-slider-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.mprfacebook-slider-counter {
    font-size: 0.82rem;
    color: #8e8e8e;
    font-variant-numeric: tabular-nums;
    min-width: 48px;
    text-align: center;
    font-weight: 500;
}

.mprfacebook-slider-current {
    color: #262626;
    font-weight: 700;
}

.mprfacebook-slider-sep {
    margin: 0 4px;
    opacity: 0.5;
}

/* --- Follow Button (bottom CTA) ----------------------------------------- */

.mprfacebook-follow {
    text-align: center;
    margin-top: 24px;
}

.mprfacebook-follow-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 28px;
    background: #1564CC;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 24px;
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(24, 119, 242, 0.3);
}

.mprfacebook-follow-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.4);
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 767px) {
    .mprfacebook-grid {
        grid-template-columns: repeat(var(--mprfacebook-mobile-columns, 2), 1fr);
    }

    .mprfacebook-slide {
        flex: 0 0 calc((100% - var(--mprfacebook-gap, 10px) * (var(--mprfacebook-mobile-columns, 2) - 1)) / var(--mprfacebook-mobile-columns, 2));
    }

    .mprfacebook-section {
        padding: 20px 0;
    }

    .mprfacebook-title {
        font-size: 1.1rem;
    }

    .mprfacebook-slider-btn {
        width: 32px;
        height: 32px;
    }

    .mprfacebook-meta {
        padding: 8px 10px;
        font-size: 0.78rem;
    }

    .mprfacebook-caption {
        -webkit-line-clamp: 1;
    }

    .mprfacebook-follow-btn {
        padding: 8px 22px;
        font-size: 0.85rem;
    }
}