/*
 * BestUsenetReviews — Blog stylesheet
 * Scoped to .blog-* selectors. Loaded only on is_home/is_single/is_archive routes.
 * Relies on tokens defined in main.css (--color-*, --space-*, --radius-*, --shadow-*, --font-size-*).
 */

/* =========================
   Blog header (replaces hero on blog pages)
   ========================= */
.blog-header {
    background: linear-gradient(160deg, #f0f7f7 0%, #e8f4f3 40%, #f8fafc 100%);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-16) 0 var(--space-12);
    position: relative;
    overflow: hidden;
}

.blog-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 500px 300px at 85% 20%, rgba(13, 115, 119, 0.08), transparent),
        radial-gradient(ellipse 400px 200px at 15% 85%, rgba(234, 88, 12, 0.04), transparent);
    pointer-events: none;
}

.blog-header .container {
    position: relative;
    z-index: 1;
    max-width: 960px;
    text-align: center;
}

.blog-header__eyebrow {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin: 0 0 var(--space-3);
}

.blog-header__title {
    font-size: clamp(2rem, 1.4rem + 2.5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-4);
    letter-spacing: -0.02em;
}

.blog-header__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

/* =========================
   Blog body layout
   ========================= */
.blog-wrap {
    background: var(--color-gray-50);
    padding: var(--space-16) 0 var(--space-20);
}

.blog-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-12);
    align-items: start;
}

.blog-layout--single {
    grid-template-columns: minmax(0, 1fr) 300px;
}

@media (max-width: 900px) {
    .blog-layout,
    .blog-layout--single {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
}

/* =========================
   Blog index grid
   ========================= */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 720px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =========================
   Post card
   ========================= */
.blog-card {
    background: #ffffff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gray-300);
}

.blog-card__image-link {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-gray-100);
}

.blog-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}

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

.blog-card__body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex: 1;
}

.blog-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    color: var(--color-gray-900);
    letter-spacing: -0.01em;
}

.blog-card__title a {
    color: inherit;
    text-decoration: none;
    background-image: linear-gradient(var(--color-primary), var(--color-primary));
    background-repeat: no-repeat;
    background-size: 0% 2px;
    background-position: 0 100%;
    transition: background-size 250ms ease;
}

.blog-card__title a:hover {
    background-size: 100% 2px;
    color: var(--color-primary);
}

.blog-card__excerpt {
    color: var(--color-gray-600);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin: 0;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-100);
}

.blog-card__meta-sep {
    color: var(--color-gray-300);
}

.blog-card--no-image .blog-card__body {
    padding: var(--space-8);
}

/* =========================
   Category pill
   ========================= */
.blog-category-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(13, 115, 119, 0.08);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: background 150ms ease;
    width: fit-content;
    align-self: flex-start;
}

.blog-category-pill:hover {
    background: rgba(13, 115, 119, 0.15);
    color: var(--color-primary-dark);
}

.blog-tag-pill {
    display: inline-flex;
    padding: 6px 12px;
    font-size: var(--font-size-sm);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: background 150ms ease, color 150ms ease;
}

.blog-tag-pill:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
}

/* =========================
   Empty state
   ========================= */
.blog-empty {
    background: #ffffff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-16) var(--space-8);
    text-align: center;
}

.blog-empty h2 {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-2xl);
    color: var(--color-gray-900);
}

.blog-empty p {
    color: var(--color-gray-600);
    max-width: 480px;
    margin: 0 auto var(--space-6);
    line-height: 1.7;
}

/* =========================
   Pagination
   ========================= */
.blog-pagination,
.pagination.blog-pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
}

.blog-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 var(--space-3);
    background: #ffffff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all 150ms ease;
}

.blog-pagination .page-numbers:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.blog-pagination .page-numbers.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

.blog-pagination .page-numbers.dots {
    border: none;
    background: transparent;
}

/* =========================
   Sidebar
   ========================= */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

@media (min-width: 901px) {
    .blog-sidebar {
        position: sticky;
        top: 110px;
    }
}

.blog-sidebar__card {
    background: #ffffff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.blog-sidebar__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light, var(--color-primary)));
}

.blog-sidebar__title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-4);
}

/* Categories list */
.blog-sidebar__categories {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-sidebar__category {
    border-bottom: 1px solid var(--color-gray-100);
}

.blog-sidebar__category:last-child {
    border-bottom: none;
}

.blog-sidebar__category a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: color 150ms ease;
}

.blog-sidebar__category a:hover {
    color: var(--color-primary);
}

.blog-sidebar__category.is-active a {
    color: var(--color-primary);
    font-weight: 600;
}

.blog-sidebar__category-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 22px;
    padding: 0 8px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: var(--radius-full);
}

.blog-sidebar__category.is-active .blog-sidebar__category-count {
    background: var(--color-primary);
    color: #ffffff;
}

/* Archive tree */
.blog-sidebar__archive-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-sidebar__archive-year {
    border-bottom: 1px solid var(--color-gray-100);
}

.blog-sidebar__archive-year:last-child {
    border-bottom: none;
}

.blog-sidebar__archive-year-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-gray-800);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    transition: color 150ms ease;
}

.blog-sidebar__archive-year-btn:hover {
    color: var(--color-primary);
}

.blog-sidebar__archive-year-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.blog-sidebar__archive-year-label::before {
    content: '›';
    display: inline-block;
    transition: transform 200ms ease;
    color: var(--color-gray-400);
    font-weight: 400;
}

.blog-sidebar__archive-year.is-expanded .blog-sidebar__archive-year-label::before {
    transform: rotate(90deg);
    color: var(--color-primary);
}

.blog-sidebar__archive-year-count {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    font-weight: 500;
}

.blog-sidebar__archive-months {
    list-style: none;
    padding: 0 0 var(--space-2) var(--space-6);
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 250ms ease;
}

.blog-sidebar__archive-year.is-expanded .blog-sidebar__archive-months {
    max-height: 500px;
}

.blog-sidebar__archive-month a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    color: var(--color-gray-600);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 150ms ease;
}

.blog-sidebar__archive-month a:hover {
    color: var(--color-primary);
}

.blog-sidebar__archive-month.is-active a {
    color: var(--color-primary);
    font-weight: 600;
}

.blog-sidebar__archive-month-count {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

/* Sidebar CTA card */
.blog-sidebar__card--cta {
    background: linear-gradient(135deg, #0f766e 0%, #0d7377 100%);
    color: #ffffff;
    border: none;
}

.blog-sidebar__card--cta::before {
    background: linear-gradient(90deg, var(--color-accent, #ea580c), var(--color-accent-light, #f97316));
}

.blog-sidebar__card--cta .blog-sidebar__title {
    color: #ffffff;
}

.blog-sidebar__cta-text {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0 0 var(--space-4);
}

/* =========================
   Single post
   ========================= */
.blog-single__header {
    background: linear-gradient(160deg, #f0f7f7 0%, #e8f4f3 40%, #f8fafc 100%);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-12) 0 var(--space-10);
    position: relative;
    overflow: hidden;
}

.blog-single__header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 500px 300px at 85% 20%, rgba(13, 115, 119, 0.08), transparent),
        radial-gradient(ellipse 400px 200px at 15% 85%, rgba(234, 88, 12, 0.04), transparent);
    pointer-events: none;
}

.blog-single__header .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.blog-single__breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.blog-single__breadcrumb a {
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color 150ms ease;
}

.blog-single__breadcrumb a:hover {
    color: var(--color-primary);
}

.blog-single__breadcrumb span {
    color: var(--color-gray-300);
}

.blog-single__header .blog-category-pill {
    margin-bottom: var(--space-4);
    align-self: center;
    margin-left: auto;
    margin-right: auto;
}

.blog-single__title {
    font-size: clamp(1.875rem, 1.3rem + 2.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-4);
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.blog-single__meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.blog-single__meta-sep {
    color: var(--color-gray-300);
}

.blog-single__featured {
    background: var(--color-gray-50);
    padding: var(--space-10) 0 0;
}

.blog-single__featured-img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: block;
}

.blog-single__content-col {
    max-width: 720px;
}

/* Readable prose */
.blog-single__prose {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-gray-700);
}

.blog-single__prose > * + * {
    margin-top: var(--space-5);
}

.blog-single__prose h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: var(--space-10) 0 var(--space-4);
    letter-spacing: -0.01em;
}

.blog-single__prose h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: var(--space-8) 0 var(--space-3);
}

.blog-single__prose p {
    margin: 0 0 var(--space-5);
}

.blog-single__prose a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color 150ms ease;
}

.blog-single__prose a:hover {
    color: var(--color-primary-dark);
}

.blog-single__prose ul,
.blog-single__prose ol {
    margin: var(--space-4) 0 var(--space-5);
    padding-left: var(--space-6);
}

.blog-single__prose li {
    margin-bottom: var(--space-2);
}

.blog-single__prose blockquote {
    border-left: 3px solid var(--color-primary);
    padding: var(--space-1) 0 var(--space-1) var(--space-6);
    margin: var(--space-6) 0;
    font-style: italic;
    color: var(--color-gray-600);
}

.blog-single__prose img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--space-6) 0;
    box-shadow: var(--shadow-md);
}

.blog-single__prose code {
    background: var(--color-gray-100);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    color: var(--color-gray-800);
}

.blog-single__prose pre {
    background: var(--color-gray-900);
    color: #e2e8f0;
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: var(--space-6) 0;
}

.blog-single__prose pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* Tags */
.blog-single__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-10);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
}

/* Prev/Next */
.blog-single__nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-10);
}

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

.blog-single__nav-link {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-5);
    background: #ffffff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 200ms ease;
}

.blog-single__nav-link:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.blog-single__nav-link--next {
    text-align: right;
}

.blog-single__nav-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    font-weight: 600;
}

.blog-single__nav-title {
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    font-weight: 500;
    line-height: 1.4;
}