.content-page {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.books-page .content-page {
    max-width: 1200px;
}

.page-intro {
    border: 1px solid var(--border-color);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    padding: 1rem 1.1rem;
}

.page-intro h1 {
    color: var(--accent-color);
    font-size: var(--text-xl);
    line-height: 1.4;
    margin-bottom: 0.4rem;
}

.page-intro p {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.content-card {
    border: 1px solid var(--border-color);
    background: var(--sidebar-bg);
    border-radius: var(--radius-md);
    padding: 1rem 1.1rem;
}

.content-card h2 {
    color: var(--accent-color);
    font-size: var(--text-md);
    margin-bottom: 0.55rem;
}

.content-card p,
.content-card li {
    color: #dde0e7;
    font-size: var(--text-sm);
    line-height: 1.9;
}

.simple-list {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.simple-list li {
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
    padding-bottom: 0.45rem;
}

.simple-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.authors-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.authors-list-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    color: inherit;
    text-decoration: none;
    border-radius: var(--radius-sm);
    padding: 0.24rem 0.3rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.authors-list-link:hover,
.authors-list-link:focus-visible {
    color: var(--accent-color);
    background: var(--hover-color);
}

.authors-list-name {
    color: var(--text-color);
}

.authors-list-count {
    color: var(--text-muted);
    font-size: var(--text-xs);
    flex-shrink: 0;
}

.category-layout {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--sidebar-bg);
    overflow: hidden;
}

.category-section {
    border-bottom: 1px solid var(--border-color);
}

.category-section:last-child {
    border-bottom: 0;
}

.category-row {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-color);
    padding: 0.82rem 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    text-align: start;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.category-row-link {
    text-decoration: none;
}

.category-page-actions {
    display: flex;
    justify-content: flex-start;
}

.category-back-link {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--bg-elevated);
    color: var(--text-color);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1.5;
    padding: 0.45rem 0.95rem;
    text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.category-back-link:hover,
.category-back-link:focus-visible {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: var(--accent-weak);
}

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

.category-label {
    color: var(--text-color);
    line-height: 1.6;
}

.category-side-count {
    color: var(--text-muted);
    font-size: var(--text-xs);
    flex-shrink: 0;
}

.category-section.is-active .category-row {
    color: var(--accent-color);
    background: rgba(62, 166, 255, 0.12);
}

.category-section.is-active .category-label {
    color: var(--accent-color);
}

.category-section.is-active .category-side-count {
    color: #8fcfff;
}

@media (max-width: 640px) {
    .page-intro,
    .content-card {
        padding: 0.8rem;
    }

    .category-row {
        padding: 0.7rem 0.72rem;
    }
}