/**
 * Related Posts Pro - Frontend Styles
 * Version: 1.0.0
 */

/* Container */
.rpp-wrapper,
.rpp-container {
    margin: 30px 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.rpp-wrapper * {
    box-sizing: border-box;
}

/* Title */
.rpp-title {
    font-size: 20px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #667eea;
    position: relative;
}

.rpp-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background: #764ba2;
}

/* List */
.rpp-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Item */
.rpp-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    background: #fff;
    padding: 12px;
    border-radius: 12px;
    align-items: flex-start;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    min-height: 75px;
}

.rpp-item.rpp-hidden {
    display: none;
}

.rpp-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    border-color: #667eea;
}

/* Link */
.rpp-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    gap: 12px;
    flex: 1;
    align-items: flex-start;
}

/* Image Wrapper */
.rpp-img-wrap {
    width: 65px;
    height: 65px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 8px;
    background: #f5f5f5;
    position: relative;
}

.rpp-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

/* Placeholder */
.rpp-placeholder {
    width: 65px;
    height: 65px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: rpp-shimmer 1.5s infinite;
    border-radius: 8px;
}

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

/* Content */
.rpp-content {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.rpp-post-title {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.3;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rpp-excerpt {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Load More Button */
.rpp-load-more-wrap {
    text-align: center;
    margin: 20px 0 0;
}

.rpp-load-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.rpp-load-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.4);
}

.rpp-load-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.rpp-load-btn.loading .rpp-btn-text {
    opacity: 0;
}

.rpp-btn-spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: rpp-spin 1s linear infinite;
}

.rpp-load-btn.loading .rpp-btn-spinner {
    display: block;
}

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

/* Responsive */
@media (max-width: 480px) {
    .rpp-item {
        gap: 10px;
        padding: 10px;
        min-height: 70px;
    }
    
    .rpp-img-wrap,
    .rpp-placeholder {
        width: 60px;
        height: 60px;
    }
    
    .rpp-post-title {
        font-size: 13px;
    }
    
    .rpp-excerpt {
        font-size: 11px;
    }
    
    .rpp-load-btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    .rpp-item {
        background: #2c2c2c;
        border-color: #444;
    }
    
    .rpp-title {
        color: #f0f0f0;
    }
    
    .rpp-post-title {
        color: #f0f0f0;
    }
    
    .rpp-excerpt {
        color: #aaa;
    }
}