/**
 * layout.css
 * Content wrapper, page layout (sidebar + main), and grid utilities.
 * Uses CSS Grid and Flexbox — no frameworks.
 */

.content-wrapper {
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--spacing-lg);
    padding-block: var(--spacing-md);
    width: 100%;
}

.page-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--spacing-xl);
    min-height: calc(100vh - 80px);
}

.sidebar {
    width: 260px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.main-content {
    flex: 1;
    padding: var(--spacing-lg);
    min-width: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .page-layout {
        grid-template-columns: 220px 1fr;
    }

    .sidebar {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .page-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        width: 100%;
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .content-wrapper {
        padding-inline: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .content-wrapper {
        padding-inline: var(--spacing-sm);
    }
}