:root {
    --conten-font-family: 'Poppins', sans-serif;
    --conten-background: #f4f6f9;
    --conten-card-bg: #ffffff;
    --conten-text-color: #333;
    --conten-heading-color: #111;
    --conten-meta-color: #666;
    --conten-accent-color: #007bff;
    --conten-border-color: #e0e0e0;
    --conten-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

body {
    background-color: var(--conten-background);
    font-family: var(--conten-font-family);
    color: var(--conten-text-color);
    margin: 0;
}

/* --- Main Layout --- */
.conten__container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

/* --- Article Styles --- */
.conten__article {
    background: var(--conten-card-bg);
    border-radius: 12px;
    box-shadow: var(--conten-shadow);
    overflow: hidden;
}

.conten__article-header {
    padding: 20px 25px;
}

.conten__title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--conten-heading-color);
    line-height: 1.3;
    margin: 0 0 15px 0;
}

.conten__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--conten-meta-color);
    margin-bottom: 20px;
}

.conten__meta span {
    display: flex;
    align-items: center;
}

.conten__category-link {
    color: var(--conten-accent-color);
    text-decoration: none;
    font-weight: 500;
}
.conten__category-link:hover {
    text-decoration: underline;
}

/* --- Action Buttons --- */
.conten__actions {
    display: flex;
    gap: 10px;
    border-top: 1px solid var(--conten-border-color);
    padding-top: 15px;
}
.conten__action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f0f2f5;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.2s;
}
.conten__action-btn:hover {
    background-color: #e4e6eb;
}
.conten__action-btn .icon {
    width: 20px;
    height: 20px;
    fill: #606770;
}

/* --- Article Body Styles --- */
.conten__article-body {
    padding: 0 25px 25px 25px;
}
.conten__featured-image {
    margin: 0 0 25px 0;
}
.conten__featured-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.conten__short-description {
    font-size: 1.1rem;
    font-weight: 500;
    color: #444;
    line-height: 1.6;
}

.conten__separator {
    border: 0;
    border-top: 1px solid var(--conten-border-color);
    margin: 25px 0;
}

.conten__long-description {
    line-height: 1.8;
    font-size: 1rem;
}
.conten__long-description p {
    margin: 0 0 1.5em 0;
}
.conten__long-description img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
}
.conten__long-description h2, 
.conten__long-description h3 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    color: var(--conten-heading-color);
}

/* --- Sidebar & Related News --- */
.conten__sidebar-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--conten-accent-color);
    padding-bottom: 8px;
}

.conten__related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.conten__related-card {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--conten-card-bg);
    border-radius: 8px;
    padding: 10px;
    text-decoration: none;
    transition: box-shadow 0.3s, transform 0.3s;
    border: 1px solid var(--conten-border-color);
}
.conten__related-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--conten-shadow);
}

.conten__related-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.conten__related-content {
    flex-grow: 1;
}

.conten__related-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--conten-heading-color);
    margin: 0 0 5px 0;
}

.conten__related-date {
    font-size: 0.8rem;
    color: var(--conten-meta-color);
}

/* --- Responsive Design --- */
@media (min-width: 992px) {
    .conten__container {
        /* 2/3 for article, 1/3 for sidebar */
        grid-template-columns: 2fr 1fr;
    }
}

@media (max-width: 768px) {
    .conten__title {
        font-size: 1.8rem;
    }
    .conten__article-header,
    .conten__article-body {
        padding: 15px;
    }
}