/**
 * RankPress Latest Posts Widget - Frontend Styles
 * Ultra modern, professional card-based blog grid
 * Adapts to brand colors via CSS custom properties
 *
 * @since 2.15.0
 */

/* === CSS VARIABLES (defaults, overridden inline by PHP) === */
.rp-latest-posts-widget {
    --rp-lp-accent: #F4A661;
    --rp-lp-accent-rgb: 244, 166, 97;
    --rp-lp-heading: #1a1a2e;
    --rp-lp-text: #374151;
    --rp-lp-text-light: #6b7280;
    --rp-lp-bg-card: #ffffff;
    --rp-lp-border: rgba(0, 0, 0, 0.06);
    --rp-lp-radius: 16px;
    --rp-lp-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
    --rp-lp-shadow-hover: 0 8px 30px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);

    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* === GRID LAYOUT === */
.rp-lp-grid {
    display: grid;
    gap: 28px;
}

.rp-lp-layout-grid .rp-lp-grid {
    grid-template-columns: repeat(var(--rp-lp-columns, 3), 1fr);
}

.rp-lp-cols-1 { --rp-lp-columns: 1; }
.rp-lp-cols-2 { --rp-lp-columns: 2; }
.rp-lp-cols-3 { --rp-lp-columns: 3; }
.rp-lp-cols-4 { --rp-lp-columns: 4; }

/* === LIST LAYOUT === */
.rp-lp-layout-list .rp-lp-grid {
    grid-template-columns: 1fr;
}

.rp-lp-layout-list .rp-lp-card {
    display: flex;
    flex-direction: row;
}

.rp-lp-layout-list .rp-lp-card-link {
    display: flex;
    flex-direction: row;
}

.rp-lp-layout-list .rp-lp-card-image {
    width: 280px;
    min-width: 280px;
    height: auto;
    aspect-ratio: 16 / 10;
    border-radius: var(--rp-lp-radius) 0 0 var(--rp-lp-radius);
}

.rp-lp-layout-list .rp-lp-card-body {
    flex: 1;
    padding: 24px 28px;
}

/* === CARD === */
.rp-lp-card {
    position: relative;
    background: var(--rp-lp-bg-card);
    border-radius: var(--rp-lp-radius);
    border: 1px solid var(--rp-lp-border);
    box-shadow: var(--rp-lp-shadow);
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1),
                box-shadow 0.35s cubic-bezier(0.2, 0.9, 0.3, 1),
                border-color 0.35s ease;
}

.rp-lp-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--rp-lp-shadow-hover);
    border-color: rgba(var(--rp-lp-accent-rgb), 0.25);
}

.rp-lp-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none !important;
    color: inherit !important;
}

.rp-lp-card-link:hover,
.rp-lp-card-link:focus,
.rp-lp-card-link:visited {
    text-decoration: none !important;
    color: inherit !important;
}

/* === IMAGE === */
.rp-lp-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}

.rp-lp-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.rp-lp-card:hover .rp-lp-card-image img {
    transform: scale(1.06);
}

.rp-lp-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.04) 100%);
    pointer-events: none;
    transition: background 0.35s ease;
}

.rp-lp-card:hover .rp-lp-card-overlay {
    background: linear-gradient(180deg, transparent 40%, rgba(var(--rp-lp-accent-rgb), 0.06) 100%);
}

.rp-lp-card-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #d1d5db;
}

/* === BODY === */
.rp-lp-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px 22px 18px;
    gap: 10px;
}

/* === META === */
.rp-lp-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.rp-lp-card-category {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--rp-lp-accent);
    background: rgba(var(--rp-lp-accent-rgb), 0.08);
    border: 1px solid rgba(var(--rp-lp-accent-rgb), 0.15);
    border-radius: 6px;
    line-height: 1.6;
}

.rp-lp-card-date {
    font-size: 12px;
    color: var(--rp-lp-text-light);
    line-height: 1.6;
}

/* === TITLE === */
.rp-lp-card-title {
    font-size: 17px !important;
    font-weight: 700 !important;
    line-height: 1.35 !important;
    color: var(--rp-lp-heading) !important;
    margin: 0 !important;
    padding: 0 !important;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s ease;
}

.rp-lp-card:hover .rp-lp-card-title {
    color: var(--rp-lp-accent) !important;
}

/* === EXCERPT === */
.rp-lp-card-excerpt {
    font-size: 14px !important;
    line-height: 1.55 !important;
    color: var(--rp-lp-text) !important;
    margin: 0 !important;
    padding: 0 !important;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === FOOTER === */
.rp-lp-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--rp-lp-border);
}

.rp-lp-card-read-time {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--rp-lp-text-light);
}

.rp-lp-card-read-time svg {
    opacity: 0.6;
}

.rp-lp-card-read-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--rp-lp-accent);
    transition: gap 0.25s ease;
}

.rp-lp-card:hover .rp-lp-card-read-more {
    gap: 8px;
}

.rp-lp-card-read-more svg {
    transition: transform 0.25s ease;
}

.rp-lp-card:hover .rp-lp-card-read-more svg {
    transform: translateX(3px);
}

/* === EMPTY STATE === */
.rp-lp-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--rp-lp-text-light);
    font-size: 15px;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .rp-lp-cols-4 { --rp-lp-columns: 3; }

    .rp-lp-layout-list .rp-lp-card-image {
        width: 220px;
        min-width: 220px;
    }
}

@media (max-width: 768px) {
    .rp-latest-posts-widget {
        margin: 24px auto;
    }

    .rp-lp-grid {
        gap: 20px;
    }

    .rp-lp-cols-3,
    .rp-lp-cols-4 { --rp-lp-columns: 2; }

    .rp-lp-layout-list .rp-lp-card-link {
        flex-direction: column;
    }

    .rp-lp-layout-list .rp-lp-card-image {
        width: 100%;
        min-width: unset;
        border-radius: var(--rp-lp-radius) var(--rp-lp-radius) 0 0;
    }
}

@media (max-width: 480px) {
    .rp-lp-cols-2,
    .rp-lp-cols-3,
    .rp-lp-cols-4 { --rp-lp-columns: 1; }

    .rp-lp-card-body {
        padding: 16px 18px 14px;
    }

    .rp-lp-card-title {
        font-size: 15px !important;
    }
}

/* === DARK MODE SUPPORT (for themes with prefers-color-scheme) === */
@media (prefers-color-scheme: dark) {
    .rp-latest-posts-widget {
        --rp-lp-bg-card: #1e1e2e;
        --rp-lp-heading: #f1f5f9;
        --rp-lp-text: #cbd5e1;
        --rp-lp-text-light: #94a3b8;
        --rp-lp-border: rgba(255, 255, 255, 0.08);
        --rp-lp-shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 16px rgba(0,0,0,0.15);
        --rp-lp-shadow-hover: 0 8px 30px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.2);
    }
}