/* Facebook Grid Feed Styles - Instagram-like Layout */

.facebook-grid-section {
    padding: 60px 0;
    background: var(--surface);
}

.facebook-grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.facebook-grid-header {
    text-align: center;
    margin-bottom: 40px;
}

.facebook-grid-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: #1877f2;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.facebook-grid-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

/* Facebook Grid Feed */
.facebook-grid-feed {
    background: var(--background);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Facebook Header */
.facebook-grid-header-info {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: var(--surface);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.facebook-grid-header-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text);
}

.facebook-grid-header-icon {
    width: 40px;
    height: 40px;
    background: #1877f2;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.facebook-grid-logo {
    width: 24px;
    height: 24px;
    color: white;
}

.facebook-grid-header-username h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.facebook-grid-follow-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #1877f2;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(24, 119, 242, 0.3);
}

.facebook-grid-follow-btn:hover {
    background: #166fe5;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(24, 119, 242, 0.4);
}

/* Grid Layout */
.facebook-grid-posts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.facebook-grid-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--surface);
    cursor: pointer;
    transition: all 0.3s ease;
}

.facebook-grid-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.facebook-grid-photo {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    position: relative;
}

.facebook-grid-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.facebook-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(24, 119, 242, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    text-align: center;
    padding: 10px;
}

.facebook-grid-item:hover .facebook-grid-overlay {
    opacity: 1;
}

.facebook-grid-item:hover .facebook-grid-image {
    transform: scale(1.05);
}

.facebook-grid-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.facebook-grid-text {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.3;
    max-height: 60px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.facebook-grid-meta {
    position: absolute;
    bottom: 8px;
    right: 8px;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.facebook-grid-item:hover .facebook-grid-meta {
    opacity: 1;
}

.facebook-grid-stat {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Text-only posts */
.facebook-grid-text-post {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    text-align: center;
}

.facebook-grid-text-post .facebook-grid-text {
    color: white;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    max-height: none;
    -webkit-line-clamp: 4;
}

/* Video posts */
.facebook-grid-video-post {
    position: relative;
}

.facebook-grid-video-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    z-index: 2;
}

/* Load More Section */
.facebook-grid-load-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.facebook-grid-load-btn {
    background: #1877f2;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.facebook-grid-load-btn:hover {
    background: #166fe5;
    transform: translateY(-2px);
}

.facebook-grid-follow-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #1877f2;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.facebook-grid-follow-link:hover {
    background: #166fe5;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .facebook-grid-posts {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .facebook-grid-title {
        font-size: 28px;
    }
    
    .facebook-grid-text {
        font-size: 11px;
    }
    
    .facebook-grid-text-post .facebook-grid-text {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .facebook-grid-posts {
        grid-template-columns: 1fr;
    }
    
    .facebook-grid-header-info {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Loading State */
.facebook-grid-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    color: var(--text-secondary);
}

.facebook-grid-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top: 3px solid #1877f2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error State */
.facebook-grid-error {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.facebook-grid-error-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.facebook-grid-error-message {
    font-size: 16px;
    margin-bottom: 20px;
}

.facebook-grid-retry-btn {
    background: #1877f2;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.facebook-grid-retry-btn:hover {
    background: #166fe5;
    transform: translateY(-2px);
}