/*
 * Lab Blog Plugin — Frontend Stylesheet
 * Version: 1.0.0
 *
 * Prefix: .lab-blog-* (isolated to avoid theme/Elementor conflicts)
 * Font:   Poppins (loaded via wp_enqueue_style from Google Fonts)
 * Colors:
 *   --lab-blue-mid  : #2F80ED  (primary / buttons / accents)
 *   --lab-blue-light: #56CCF2  (gradient / highlights)
 *   --lab-white     : #FFFFFF
 *   --lab-gray-*    : UI supporting tones
 */

/* ─── CSS Custom Properties ─────────────────────────────────────────────── */
.lab-blog-wrapper,
.lab-blog-modal,
.lab-blog-empty {
    --lab-blue-mid:    #2F80ED;
    --lab-blue-light:  #56CCF2;
    --lab-white:       #ffffff;
    --lab-gray-50:     #f8fafc;
    --lab-gray-100:    #f1f5f9;
    --lab-gray-200:    #e2e8f0;
    --lab-gray-400:    #94a3b8;
    --lab-gray-600:    #475569;
    --lab-gray-800:    #1e293b;
    --lab-shadow-sm:   0 2px 8px rgba(47, 128, 237, 0.08);
    --lab-shadow-md:   0 8px 24px rgba(47, 128, 237, 0.15);
    --lab-shadow-lg:   0 20px 48px rgba(15, 23, 42, 0.18);
    --lab-radius:      8px;
    --lab-transition:  all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Poppins', sans-serif;
}

/* ─── Wrapper ────────────────────────────────────────────────────────────── */
.lab-blog-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
}

/* ─── Grid ───────────────────────────────────────────────────────────────── */
.lab-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}

/* Tablet: 2 columns */
@media (max-width: 960px) {
    .lab-blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* Mobile: 1 column */
@media (max-width: 600px) {
    .lab-blog-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ─── Card ───────────────────────────────────────────────────────────────── */
.lab-blog-card {
    background-color: var(--lab-white);
    border-radius: var(--lab-radius);
    box-shadow: var(--lab-shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--lab-transition);
    border: 1px solid var(--lab-gray-200);
    position: relative;
}

/* Hover: elevation + subtle lift */
.lab-blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--lab-shadow-md);
    border-color: rgba(47, 128, 237, 0.25);
}

/* ── Card Image ── */
.lab-blog-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, var(--lab-blue-mid), var(--lab-blue-light));
    flex-shrink: 0;
}

.lab-blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.lab-blog-card:hover .lab-blog-card__image img {
    transform: scale(1.04);
}

/* Placeholder when no featured image */
.lab-blog-card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lab-blog-card__image-icon {
    font-size: 2.5rem;
    opacity: 0.7;
}

/* ── Card Body ── */
.lab-blog-card__body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 10px;
}

/* ── Card Title ── */
.lab-blog-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--lab-gray-800);
    line-height: 1.45;
    margin: 0;
    /* Limit to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Card Excerpt ── */
.lab-blog-card__excerpt {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--lab-gray-600);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

/* ── Card Button ── */
.lab-blog-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    padding: 9px 20px;
    margin-top: 4px;
    background: linear-gradient(90deg, var(--lab-blue-mid), var(--lab-blue-light));
    color: var(--lab-white);
    font-family: 'Poppins', sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--lab-transition);
    text-decoration: none;
    line-height: 1;
    letter-spacing: 0.02em;
}

.lab-blog-card__btn:hover,
.lab-blog-card__btn:focus-visible {
    background: linear-gradient(90deg, #1a6dd9, #2fb8e8);
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.4);
    outline: none;
    transform: translateX(2px);
}

.lab-blog-card__btn svg {
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.lab-blog-card__btn:hover svg {
    transform: translateX(3px);
}

/* ─── Pagination ─────────────────────────────────────────────────────────── */
.lab-blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 8px 0 16px;
}

.lab-blog-pagination__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background-color: var(--lab-white);
    color: var(--lab-blue-mid);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    border: 2px solid var(--lab-blue-mid);
    border-radius: 50px;
    text-decoration: none;
    transition: var(--lab-transition);
    letter-spacing: 0.02em;
    line-height: 1;
}

.lab-blog-pagination__btn:hover,
.lab-blog-pagination__btn:focus-visible {
    background: linear-gradient(90deg, var(--lab-blue-mid), var(--lab-blue-light));
    color: var(--lab-white);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
    outline: none;
}

.lab-blog-pagination__info {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--lab-gray-600);
    font-family: 'Poppins', sans-serif;
}

.lab-blog-pagination__info strong {
    font-weight: 600;
    color: var(--lab-gray-800);
}

/* ─── Empty State ────────────────────────────────────────────────────────── */
.lab-blog-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 24px;
    gap: 12px;
    text-align: center;
}

.lab-blog-empty__icon {
    font-size: 3rem;
    display: block;
    opacity: 0.5;
}

.lab-blog-empty__text {
    font-size: 1rem;
    color: var(--lab-gray-400);
    font-family: 'Poppins', sans-serif;
    margin: 0;
}

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.lab-blog-modal {
    /* Positioning */
    position: fixed;
    inset: 0;
    z-index: 999999;       /* Above Elementor and most themes */

    /* Layout */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;

    /* Hidden state */
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Visible state (toggled by JS) */
.lab-blog-modal.lab-blog-modal--open {
    opacity: 1;
    visibility: visible;
}

/* ── Modal Overlay ── */
.lab-blog-modal__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    cursor: pointer;
}

/* ── Modal Container ── */
.lab-blog-modal__container {
    position: relative;
    background-color: var(--lab-white);
    border-radius: 12px;
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--lab-shadow-lg);
    z-index: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--lab-gray-200) transparent;

    /* Entry animation */
    transform: translateY(24px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lab-blog-modal.lab-blog-modal--open .lab-blog-modal__container {
    transform: translateY(0) scale(1);
}

.lab-blog-modal__container::-webkit-scrollbar {
    width: 6px;
}
.lab-blog-modal__container::-webkit-scrollbar-thumb {
    background-color: var(--lab-gray-200);
    border-radius: 3px;
}

/* ── Close Button ── */
.lab-blog-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--lab-white);
    color: var(--lab-gray-600);
    border: 1px solid var(--lab-gray-200);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--lab-transition);
    line-height: 1;
    padding: 0;
    font-size: 0;     /* Hide any fallback text */
}

.lab-blog-modal__close:hover,
.lab-blog-modal__close:focus-visible {
    background-color: var(--lab-gray-100);
    color: var(--lab-gray-800);
    border-color: var(--lab-gray-200);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    outline: none;
}

/* ── Modal Image ── */
.lab-blog-modal__image-wrap {
    width: 100%;
    aspect-ratio: 16 / 7;
    overflow: hidden;
    background: linear-gradient(135deg, var(--lab-blue-mid), var(--lab-blue-light));
    border-radius: 12px 12px 0 0;
    flex-shrink: 0;
}

/* Hidden when no image */
.lab-blog-modal__image-wrap.lab-blog-modal__image-wrap--hidden {
    display: none;
}

.lab-blog-modal__image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ── Modal Body ── */
.lab-blog-modal__body {
    padding: 28px 32px 32px;
}

/* ── Modal Title ── */
.lab-blog-modal__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--lab-gray-800);
    line-height: 1.35;
    margin: 0 0 20px 0;
    padding-right: 30px; /* Don't overlap close button */
    font-family: 'Poppins', sans-serif;
}

/* ── Modal Content ── */
.lab-blog-modal__content {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--lab-gray-600);
    line-height: 1.75;
    font-family: 'Poppins', sans-serif;
}

/* Typography reset for modal content */
.lab-blog-modal__content p {
    margin: 0 0 16px 0;
}
.lab-blog-modal__content p:last-child {
    margin-bottom: 0;
}
.lab-blog-modal__content h2,
.lab-blog-modal__content h3,
.lab-blog-modal__content h4 {
    color: var(--lab-gray-800);
    font-weight: 600;
    margin: 24px 0 10px;
    font-family: 'Poppins', sans-serif;
}
.lab-blog-modal__content ul,
.lab-blog-modal__content ol {
    padding-left: 20px;
    margin: 0 0 16px;
}
.lab-blog-modal__content li {
    margin-bottom: 6px;
}
.lab-blog-modal__content a {
    color: var(--lab-blue-mid);
    text-decoration: underline;
}
.lab-blog-modal__content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}
.lab-blog-modal__content blockquote {
    border-left: 4px solid var(--lab-blue-light);
    padding: 10px 16px;
    margin: 16px 0;
    color: var(--lab-gray-600);
    font-style: italic;
    background-color: var(--lab-gray-50);
    border-radius: 0 6px 6px 0;
}

/* ─── Responsive: Modal ──────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .lab-blog-modal {
        padding: 12px;
        align-items: flex-end;
    }

    .lab-blog-modal__container {
        max-height: 92vh;
        border-radius: 16px 16px 0 0;
    }

    .lab-blog-modal__body {
        padding: 20px 18px 24px;
    }

    .lab-blog-modal__title {
        font-size: 1.125rem;
    }

    .lab-blog-modal__image-wrap {
        border-radius: 16px 16px 0 0;
        aspect-ratio: 16 / 8;
    }
}

/* ─── Prevent body scroll when modal is open ─────────────────────────────── */
body.lab-blog-no-scroll {
    overflow: hidden;
}

/* ─── Accessibility: reduce motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .lab-blog-card,
    .lab-blog-card__image img,
    .lab-blog-card__btn,
    .lab-blog-modal,
    .lab-blog-modal__container,
    .lab-blog-pagination__btn {
        transition: none !important;
        transform: none !important;
    }
}