/**
 * Structural Layout Foundation
 *
 * Lightweight layout containers and semantic structural wrappers for fallback templates.
 * Relies on modern CSS Logical Properties for native RTL/LTR support.
 *
 * @package ATheme\Theme
 * @since   1.0.0
 */

/* 1. Page Frame */
#page {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

#content {
	flex: 1 0 auto;
}

/* 2. Container Scales */
.container {
	width: 100%;
	max-width: var(--container-default);
	margin-inline: auto;
	padding-inline: var(--space-4);
}

.container--narrow {
	max-width: var(--container-narrow);
}

.container--wide {
	max-width: var(--container-wide);
}

.container--full {
	max-width: 100%;
	padding-inline: 0;
}

@media (min-width: 768px) {
	.container {
		padding-inline: var(--space-6);
	}
}

/* 3. Section Spacing */
.site-section {
	padding-block: var(--space-8);
}

@media (min-width: 768px) {
	.site-section {
		padding-block: var(--space-12);
	}
}

/* 4. Semantic Fallback Header & Footer Shells */
.site-header {
	background-color: var(--header-bg);
	border-block-end: 1px solid var(--header-border);
	position: relative;
	z-index: var(--z-sticky);
}

.site-header .container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--header-height);
	gap: var(--space-4);
}

.site-footer {
	background-color: var(--footer-bg);
	color: var(--footer-text);
	border-block-start: 1px solid var(--footer-border);
	padding-block: var(--space-8);
	margin-block-start: auto;
}

.site-footer a {
	color: var(--footer-text);
}

.site-footer a:hover {
	color: var(--color-neutral-0);
}

/* 5. Fallback Archive & Single Grid Layout */
.posts-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-6);
	margin-block: var(--space-6);
}

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

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