/* ============================================================
   Content details (article) page
   Narrow, reading-focused single column + related grid band.
   Linked globally in ApplicationRoots/App.razor.
   ============================================================ */

/* Sit just under the sticky header (.tg-header__inner is 4rem tall). */
.article-progress {
    top: 4rem;
}

.article-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--tg-text-muted);
}

.article-loading__inner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ---------- Reading column ---------- */
.article-wrap {
    max-width: 58rem;
    margin: 0 auto;
    padding: 2rem 1rem 1rem;
}

@media (min-width: 768px) {
    .article-wrap {
        padding: 3rem 1.5rem 1.5rem;
    }
}

.article-head {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.article-head .article-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.article-head .article-cat {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--tg-accent-fg);
    background-color: var(--tg-accent);
    border-radius: 9999px;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.article-head .article-cat:hover {
    background-color: #d9e5fb;
}

.article-title {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--tg-text);
}

@media (min-width: 768px) {
    .article-title {
        font-size: 2.25rem;
    }
}

.article-excerpt {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.65;
    color: var(--tg-text-muted);
}

/* ---------- Meta bar ---------- */
.article-metabar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--tg-border);
    border-bottom: 1px solid var(--tg-border);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.article-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--tg-primary);
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 9999px;
}

.article-author__name {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tg-text);
}

.article-author__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--tg-text-muted);
}

.article-author__meta span.inline {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.article-author__meta .material-symbols-outlined {
    font-size: 0.875rem;
}

.article-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-actions .article-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--tg-text);
    background-color: transparent;
    border: 1px solid var(--tg-border);
    border-radius: var(--tg-radius-lg);
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.article-actions .article-btn:hover {
    color: var(--tg-primary);
    border-color: rgba(37, 99, 235, 0.4);
    background-color: var(--tg-bg-elev-2);
}

.article-actions .material-symbols-outlined {
    font-size: 1rem;
}

/* ---------- Cover ---------- */
.article-cover {
    overflow: hidden;
    margin: 2rem 0;
    border: 1px solid var(--tg-border);
    border-radius: 1rem;
}

.article-cover img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* ---------- Body ---------- */
.article-body .editorjs-content-wrapper {
    color: var(--tg-text);
}

.article-body figure.ce-image {
    margin: 1.5rem auto;
    text-align: center;
}

.article-body figure.ce-image img {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    margin: 0 auto;
    border-radius: var(--tg-radius-xl);
}

.article-body figure.ce-image figcaption {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--tg-text-muted);
    font-style: italic;
}

/* ---------- Tags ---------- */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
}

.article-tags__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tg-text-muted);
}

.article-tags .article-tag {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--tg-text-muted);
    background: transparent;
    border: 1px solid var(--tg-border);
    border-radius: 9999px;
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.article-tags .article-tag:hover {
    color: var(--tg-primary);
    border-color: rgba(37, 99, 235, 0.4);
}

/* ---------- Related band ---------- */
.article-related {
    margin-top: 3rem;
    border-top: 1px solid var(--tg-border);
    background-color: #f2f4f8;
}

.article-related__inner {
    max-width: 84rem;
    margin: 0 auto;
    padding: 2.5rem 1rem 3rem;
}

@media (min-width: 1024px) {
    .article-related__inner {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

.article-related__title {
    margin: 0 0 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--tg-text);
}

.article-related__text {
    font-size: 0.875rem;
    color: var(--tg-text-muted);
}

.article-related__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .article-related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .article-related__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.article-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 2rem;
    padding: 0.55rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tg-text);
    background-color: var(--tg-bg-elev);
    border: 1px solid var(--tg-border);
    border-radius: var(--tg-radius-lg);
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.article-back:hover {
    color: var(--tg-primary);
    border-color: rgba(37, 99, 235, 0.4);
}

.related-skeleton {
    height: 260px;
    border-radius: var(--tg-radius-xl);
    background: linear-gradient(90deg,
        rgba(15, 23, 42, 0.04) 25%,
        rgba(15, 23, 42, 0.08) 37%,
        rgba(15, 23, 42, 0.04) 63%);
    background-size: 400% 100%;
    animation: related-shimmer 1.4s ease infinite;
}

@keyframes related-shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}