/* ==========================================================================
   Components — Cards, Buttons, TOC, TL;DR, FAQ, Tables, etc.
   ========================================================================== */

/* --- Article Card --- */
.article-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.article-card:hover {
    box-shadow: var(--shadow-md);
}

.article-card__image-link {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.article-card__image-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-card__image-link img {
    transform: scale(1.03);
}

.article-card__body {
    padding: var(--space-5);
}

.article-card__category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--space-2);
}

.article-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    line-height: 1.3;
    margin-bottom: var(--space-3);
}

.article-card__title a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__meta {
    font-size: var(--text-xs);
    color: var(--color-text-lighter);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.article-card__meta time::after {
    content: '\00b7';
    margin-left: var(--space-3);
}

/* --- Featured Card (larger) --- */
.article-card--featured {
    grid-column: 1 / -1;
}

.article-card--featured .article-card__image-link {
    aspect-ratio: 21 / 9;
}

.article-card--featured .article-card__title {
    font-size: var(--text-3xl);
}

/* --- Category Pill --- */
.category-pill {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.category-pill:hover {
    background: var(--color-accent-hover);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
}

.btn--outline {
    border: 1.5px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn--outline:hover {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.btn--ghost {
    color: var(--color-accent);
    padding: var(--space-2) var(--space-3);
}

.btn--ghost:hover {
    background: var(--color-bg-alt);
}

/* --- TL;DR / Quick Summary Box --- */
.tldr-box {
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.tldr-box__title {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--space-3);
}

.tldr-box__content {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
}

.tldr-box__content p:last-child {
    margin-bottom: 0;
}

/* --- Table of Contents --- */
.toc {
    margin-bottom: var(--space-10);
    padding: var(--space-6);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.toc__title {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.toc__toggle {
    display: none;
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.toc__toggle svg {
    width: 100%;
    height: 100%;
}

.toc--collapsed .toc__list {
    display: none;
}

.toc--collapsed .toc__toggle {
    transform: rotate(-90deg);
}

.toc__list {
    counter-reset: toc-counter;
    list-style: none;
    padding: 0;
}

.toc__item {
    counter-increment: toc-counter;
    margin-bottom: var(--space-2);
}

.toc__item a {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-light);
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
}

.toc__item a::before {
    content: counter(toc-counter) '.';
    font-weight: 600;
    color: var(--color-text-lighter);
    min-width: 1.5em;
}

.toc__item a:hover,
.toc__item--active a {
    color: var(--color-accent);
}

.toc__item--h3 {
    padding-left: var(--space-6);
}

.toc__item--h3 a {
    font-size: var(--text-xs);
}

/* --- FAQ Section --- */
.faq-section {
    margin-top: var(--space-12);
    padding-top: var(--space-10);
    border-top: 1px solid var(--color-border);
}

.faq-section h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
}

.faq-list {
    border-top: 1px solid var(--color-border);
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
    font-weight: 600;
}

.faq-item__question button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) 0;
    font-size: var(--text-base);
    font-weight: 600;
    text-align: left;
    color: var(--color-text);
    cursor: pointer;
}

.faq-item__question button::after {
    content: '+';
    font-size: var(--text-xl);
    font-weight: 400;
    flex-shrink: 0;
    margin-left: var(--space-4);
    transition: transform var(--transition-fast);
}

.faq-item__question button[aria-expanded="true"]::after {
    content: '\2212';
}

.faq-item__answer {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item__answer[aria-hidden="false"] {
    max-height: 500px;
    padding-bottom: var(--space-4);
}

.faq-item__answer div {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text-light);
}

/* --- Tables (comparison tables in articles) --- */
.article-content__body table {
    width: 100%;
    margin: var(--space-8) 0;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.article-content__body thead {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.article-content__body th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: 600;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-content__body td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.article-content__body tbody tr:last-child td {
    border-bottom: none;
}

.article-content__body tbody tr:hover {
    background: var(--color-bg-alt);
}

/* Responsive table wrapper */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--space-8) 0;
}

.table-responsive table {
    margin: 0;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
    padding: var(--space-4) 0;
    font-size: var(--text-sm);
    color: var(--color-text-lighter);
}

.breadcrumbs__list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.breadcrumbs__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumbs__item:not(:last-child)::after {
    content: '/';
    color: var(--color-border);
}

.breadcrumbs__link {
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.breadcrumbs__link:hover {
    color: var(--color-accent);
}

.breadcrumbs__current {
    color: var(--color-text);
    font-weight: 500;
}

/* --- Author Box --- */
.author-box {
    display: flex;
    gap: var(--space-5);
    padding: var(--space-6);
    margin-top: var(--space-10);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.author-box__avatar {
    flex-shrink: 0;
}

.author-box__avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
}

.author-box__label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-lighter);
    margin-bottom: var(--space-1);
}

.author-box__name {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.author-box__name a:hover {
    text-decoration: underline;
}

.author-box__bio {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* --- Share Buttons --- */
.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6) 0;
    margin-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.share-buttons__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-light);
    margin-right: var(--space-2);
}

.share-buttons__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.share-buttons__link:hover {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.share-buttons__link svg {
    width: 18px;
    height: 18px;
}

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

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background: var(--color-bg-alt);
}

.pagination .current {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.pagination .dots {
    color: var(--color-text-lighter);
}

/* --- Reading Time Badge --- */
.reading-time {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

/* --- Related Posts --- */
.related-posts {
    margin-top: var(--space-16);
    padding-top: var(--space-10);
    border-top: 1px solid var(--color-border);
}

.related-posts__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-8);
    text-align: center;
}

/* --- Search Form --- */
.search-form {
    display: flex;
    max-width: 500px;
}

.search-form__input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--color-border);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: var(--text-base);
    background: var(--color-bg);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-form__input:focus {
    border-color: var(--color-accent);
}

.search-form__submit {
    padding: var(--space-3) var(--space-5);
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border: 1.5px solid var(--color-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-form__submit:hover {
    background: var(--color-accent-hover);
}

/* --- View All Link --- */
.view-all {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: gap var(--transition-fast);
}

.view-all:hover {
    gap: var(--space-3);
}

.view-all::after {
    content: '\2192';
}