/**
 * Single APK Suite - Blog & Article Styles
 *
 * Clean Slate + Royal Blue Glassmorphism blog cards, article reading layout, and TOC.
 *
 * @package Single_APK_Suite
 * @since 1.0.0
 */

/* ------------------------------------------------------------------------- *
 * Blog Archives & Grid
 * ------------------------------------------------------------------------- */
.single-apk-blog-archive {
    padding: 2.5rem 0 4rem 0;
}

.single-apk-archive__header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.single-apk-archive__title {
    color: #0F172A !important;
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.single-apk-archive__description {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 620px;
    margin: 0 auto;
}

.single-apk-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.25rem;
    margin: 3rem 0;
}

@media (max-width: 640px) {
    .single-apk-blog-grid {
        grid-template-columns: 1fr;
    }
}

.single-apk-blog-card {
    background-color: var(--single-apk-glass-base, rgba(255, 255, 255, 0.85));
    backdrop-filter: blur(var(--single-apk-glass-blur, 14px));
    -webkit-backdrop-filter: blur(var(--single-apk-glass-blur, 14px));
    border: 1px solid var(--single-apk-glass-border, #e2e8f0);
    border-radius: var(--single-apk-radius-md, 14px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--single-apk-shadow-glass);
    transition: transform var(--single-apk-transition), border-color var(--single-apk-transition), box-shadow var(--single-apk-transition);
}

.single-apk-blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.35);
    box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08), 0 0 16px rgba(37, 99, 235, 0.1);
}

.single-apk-blog-card__media {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: #f1f5f9;
    position: relative;
}

.single-apk-blog-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.single-apk-blog-card:hover .single-apk-blog-card__img {
    transform: scale(1.04);
}

.single-apk-blog-card__body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.single-apk-blog-card__meta {
    font-size: 0.8125rem;
    color: #2563eb;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.65rem;
}

.single-apk-blog-card__title {
    font-size: 1.25rem;
    margin-bottom: 0.85rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.single-apk-blog-card__title a {
    color: #0f172a;
}

.single-apk-blog-card__title a:hover {
    color: #1d4ed8;
}

.single-apk-blog-card__excerpt {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex: 1;
}

.single-apk-blog-card__readmore {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #2563eb;
    transition: color var(--single-apk-transition), gap var(--single-apk-transition);
}

.single-apk-blog-card:hover .single-apk-blog-card__readmore {
    color: #1d4ed8;
    gap: 0.7rem;
}

/* ------------------------------------------------------------------------- *
 * Single Article Page Layout
 * ------------------------------------------------------------------------- */
.single-apk-blog-wrapper {
    padding: 2.5rem 0 5rem 0;
}

.single-apk-article--single .single-apk-article__header {
    margin-bottom: 2.5rem;
}

.single-apk-article__title {
    color: #0F172A !important;
    font-size: clamp(1.85rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.025em;
    margin-bottom: 1.25rem;
}

.single-apk-post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: #64748b;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--single-apk-color-border, #e2e8f0);
}

.single-apk-post-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.single-apk-post-meta__item svg {
    color: #2563eb;
}

.single-apk-article__featured-media {
    margin-bottom: 2.5rem;
    border-radius: var(--single-apk-radius-lg, 20px);
    overflow: hidden;
    box-shadow: var(--single-apk-shadow-glass);
    border: 1px solid var(--single-apk-color-border, #e2e8f0);
}

.single-apk-featured-img {
    width: 100%;
    height: auto;
    display: block;
}

/* ------------------------------------------------------------------------- *
 * Table of Contents (Compact & Minimalist)
 * ------------------------------------------------------------------------- */
.single-apk-toc-wrapper {
    margin: 1.75rem 0;
    max-width: 480px;
}

.single-apk-toc-card {
    background: #FFFFFF !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid #E2E8F0 !important;
    border-radius: 12px;
    padding: 0.65rem 1rem;
    box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06) !important;
    transition: border-color 0.2s ease;
}

.single-apk-toc-card:hover {
    border-color: #CBD5E1 !important;
    box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06) !important;
}

.single-apk-toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    padding: 0.15rem 0;
    border-radius: 6px;
}

.single-apk-toc-header:focus-visible {
    outline: 2px solid #2563EB;
    outline-offset: 2px;
}

.single-apk-toc-header__main {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex: 1;
}

.single-apk-toc-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: #EFF6FF !important;
    border: 1px solid #DBEAFE !important;
    color: #2563EB !important;
    box-shadow: none !important;
    flex-shrink: 0;
}

.single-apk-toc-icon svg {
    width: 14px;
    height: 14px;
    stroke: #2563EB !important;
}

.single-apk-toc-title {
    font-size: 0.925rem;
    font-weight: 600;
    color: #0F172A !important;
    letter-spacing: -0.01em;
}

.single-apk-toc-badge {
    display: none !important;
}

.single-apk-toc-toggle {
    background: #F1F5F9 !important;
    border: 1px solid #E2E8F0 !important;
    color: #64748B !important;
    cursor: pointer;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
    padding: 0;
}

.single-apk-toc-toggle:hover {
    background: #E2E8F0 !important;
    border-color: #CBD5E1 !important;
    color: #0F172A !important;
}

.single-apk-toc-toggle svg {
    width: 13px;
    height: 13px;
    stroke: #64748B !important;
    transition: transform 0.2s ease;
}

.single-apk-toc-toggle[aria-expanded="false"] svg {
    transform: rotate(-90deg);
}

/* Article Content Typography & Headings */
.single-apk-article__content h1,
.single-apk-article__content h2,
.single-apk-article__content h3,
.single-apk-article__content h4,
.single-apk-article__content h5,
.single-apk-article__content h6 {
    color: #0F172A !important;
    font-family: var(--single-apk-font-heading, inherit);
    letter-spacing: -0.02em;
}

.single-apk-article__content h1 {
    font-size: clamp(1.875rem, 3.2vw, 2.35rem);
    font-weight: 800;
    line-height: 1.25;
    margin-top: 2.75rem;
    margin-bottom: 1.25rem;
}

.single-apk-article__content h2 {
    font-size: clamp(1.5rem, 2.6vw, 1.875rem);
    font-weight: 700;
    line-height: 1.35;
    margin-top: 2.75rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.35rem;
    position: relative;
    padding-left: 1rem;
    border-left: 3.5px solid #2563EB !important;
}

.single-apk-article__content h3 {
    font-size: clamp(1.25rem, 2vw, 1.45rem);
    font-weight: 600;
    line-height: 1.4;
    margin-top: 2rem;
    margin-bottom: 0.85rem;
}

.single-apk-article__content h4 {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.45;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.single-apk-article__content h5,
.single-apk-article__content h6 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.single-apk-article__content strong,
.single-apk-article__content b {
    color: #0F172A !important;
    font-weight: 700;
}

.single-apk-article__content a {
    color: #2563EB !important;
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: color var(--single-apk-transition);
}

.single-apk-article__content a:hover {
    color: #1D4ED8 !important;
}

.single-apk-toc-nav {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--single-apk-color-border-subtle, #e2e8f0);
}

.single-apk-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.single-apk-toc-list a {
    color: #64748b;
    font-size: 0.9375rem;
    display: inline-block;
    transition: color var(--single-apk-transition), transform var(--single-apk-transition);
}

.single-apk-toc-list a:hover {
    color: #1d4ed8;
    transform: translateX(4px);
}

.single-apk-toc-item--h3 {
    padding-left: 1.5rem;
    font-size: 0.875rem;
}

/* ------------------------------------------------------------------------- *
 * Post Navigation & Tags
 * ------------------------------------------------------------------------- */
.single-apk-article__tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--single-apk-color-border, #e2e8f0);
}

.single-apk-tags-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #64748b;
}

.single-apk-tag-link {
    font-size: 0.8125rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--single-apk-radius-sm, 8px);
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid var(--single-apk-color-border, #e2e8f0);
}

.single-apk-tag-link:hover {
    background: #eff6ff;
    color: #2563eb;
    border-color: rgba(37, 99, 235, 0.3);
}

.single-apk-post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--single-apk-color-border, #e2e8f0);
}

.single-apk-post-nav-item a {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #0f172a;
    transition: color var(--single-apk-transition);
}

.single-apk-post-nav-item a:hover {
    color: #2563eb;
}