/* ==========================================================================
   Eldrion — дизайн-система (токены, компоненты, состояния)
   ========================================================================== */

:root {
	/* Spacing */
	--eldrion-space-1: 0.25rem;
	--eldrion-space-2: 0.5rem;
	--eldrion-space-3: 0.75rem;
	--eldrion-space-4: 1rem;
	--eldrion-space-5: 1.25rem;
	--eldrion-space-6: 1.5rem;
	--eldrion-space-8: 2rem;
	--eldrion-space-10: 2.5rem;
	--eldrion-space-12: 3rem;
	--eldrion-space-16: 4rem;

	/* Elevation */
	--eldrion-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
	--eldrion-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.28);
	--eldrion-shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.35);
	--eldrion-shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
	--eldrion-glow-accent: 0 0 60px rgba(139, 92, 246, 0.12);

	/* Surfaces */
	--eldrion-glass: rgba(5, 5, 5, 0.85);
	--eldrion-glass-border: rgba(255, 255, 255, 0.1);
	--eldrion-surface-hover: rgba(28, 28, 28, 0.95);

	/* Focus */
	--eldrion-focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.45);
	--eldrion-focus-offset: 2px;

	/* Motion */
	--eldrion-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
	--eldrion-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Selection & focus */
::selection {
	background: rgba(139, 92, 246, 0.35);
	color: #fff;
}

:focus {
	outline: none;
}

:focus-visible {
	outline: 2px solid var(--eldrion-accent);
	outline-offset: var(--eldrion-focus-offset);
	box-shadow: var(--eldrion-focus-ring);
}

/* Skip link */
.eldrion-skip-link {
	position: absolute;
	top: -100%;
	left: var(--eldrion-space-4);
	z-index: 1000;
	padding: var(--eldrion-space-3) var(--eldrion-space-5);
	background: var(--eldrion-accent);
	color: #fff;
	font-weight: 600;
	font-size: var(--eldrion-text-sm);
	border-radius: 0 0 10px 10px;
	transition: top 0.2s var(--eldrion-ease-out);
}

.eldrion-skip-link:focus {
	top: 0;
	color: #fff;
}

/* Scroll progress */
.eldrion-scroll-progress {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	z-index: 200;
	background: transparent;
	pointer-events: none;
	transform-origin: left;
	transform: scaleX(0);
	background: linear-gradient(90deg, var(--eldrion-accent), var(--eldrion-accent-light));
	box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
}

/* Header scrolled */
.eldrion-header.is-scrolled {
	height: 64px;
	background: rgba(5, 5, 5, 0.94);
	border-bottom-color: rgba(255, 255, 255, 0.12);
	box-shadow: var(--eldrion-shadow-sm);
}

.eldrion-header.is-scrolled .eldrion-brand__mark {
	transform: scale(0.92);
}

.eldrion-brand__mark {
	transition: transform var(--eldrion-transition);
}

/* Nav underline */
.eldrion-menu a,
.eldrion-nav .menu a {
	position: relative;
	padding: 0.35rem 0;
}

.eldrion-menu a::after,
.eldrion-nav .menu a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 2px;
	background: linear-gradient(90deg, var(--eldrion-accent), var(--eldrion-accent-light));
	border-radius: 2px;
	transform: scaleX(0);
	transform-origin: right;
	transition: transform 0.3s var(--eldrion-ease-out);
}

.eldrion-menu a:hover::after,
.eldrion-nav .menu a:hover::after,
.eldrion-menu .current-menu-item > a::after,
.eldrion-menu .current_page_item > a::after,
.eldrion-nav .menu .current-menu-item > a::after,
.eldrion-nav .menu .current_page_item > a::after {
	transform: scaleX(1);
	transform-origin: left;
}

body.eldrion-nav-open {
	overflow: hidden;
}

/* Page / archive hero band */
.eldrion-page-hero {
	position: relative;
	padding: var(--eldrion-space-12) 0 var(--eldrion-space-10);
	margin-bottom: var(--eldrion-space-8);
	text-align: center;
}

.eldrion-page-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse 70% 80% at 50% 0%, rgba(139, 92, 246, 0.12), transparent 70%),
		linear-gradient(180deg, rgba(20, 20, 20, 0.5) 0%, transparent 100%);
	border-bottom: 1px solid var(--eldrion-border);
	pointer-events: none;
}

.eldrion-page-hero .eldrion-section__title,
.eldrion-page-hero .eldrion-article__title {
	position: relative;
	margin-bottom: var(--eldrion-space-4);
}

.eldrion-page-hero .eldrion-section__desc {
	position: relative;
	max-width: 36rem;
	margin-inline: auto;
}

/* Front page */
.eldrion-front-page {
	padding-top: var(--eldrion-space-6);
	padding-bottom: var(--eldrion-space-16);
}

.eldrion-front-page > .wp-block-group:first-child,
.eldrion-front-page > .eldrion-blocks-hero:first-child {
	margin-top: 0;
}

/* Article meta bar */
.eldrion-article__meta-bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--eldrion-space-3) var(--eldrion-space-5);
	margin-top: var(--eldrion-space-4);
}

.eldrion-article__cats {
	display: flex;
	flex-wrap: wrap;
	gap: var(--eldrion-space-2);
}

.eldrion-article__cat {
	display: inline-flex;
	padding: 0.25rem 0.75rem;
	font-size: var(--eldrion-text-xs);
	font-weight: 600;
	letter-spacing: var(--eldrion-tracking-wide);
	text-transform: uppercase;
	color: var(--eldrion-accent-light);
	background: rgba(139, 92, 246, 0.08);
	border: 1px solid rgba(139, 92, 246, 0.22);
	border-radius: 100px;
	text-decoration: none;
	transition: background var(--eldrion-transition), border-color var(--eldrion-transition);
}

.eldrion-article__cat:hover {
	color: var(--eldrion-accent-light);
	background: rgba(139, 92, 246, 0.15);
	border-color: rgba(139, 92, 246, 0.4);
}

.eldrion-article__reading {
	font-size: var(--eldrion-text-sm);
	color: var(--eldrion-muted);
}

.eldrion-article__reading::before {
	content: "·";
	margin-right: var(--eldrion-space-3);
	opacity: 0.5;
}

.eldrion-article__header {
	padding-bottom: var(--eldrion-space-6);
	border-bottom: 1px solid var(--eldrion-border);
}

/* Post navigation */
.post-navigation,
.navigation.post-navigation {
	margin-top: var(--eldrion-space-12);
	padding-top: var(--eldrion-space-8);
	border-top: 1px solid var(--eldrion-border);
}

.post-navigation .nav-links {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--eldrion-space-4);
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
	margin: 0;
}

.post-navigation .nav-next {
	text-align: right;
}

.post-navigation a {
	display: block;
	padding: var(--eldrion-space-5) var(--eldrion-space-6);
	background: var(--eldrion-surface);
	border: 1px solid var(--eldrion-border);
	border-radius: var(--eldrion-radius);
	transition:
		border-color var(--eldrion-transition),
		background var(--eldrion-transition),
		transform var(--eldrion-transition);
}

.post-navigation a:hover {
	border-color: rgba(139, 92, 246, 0.35);
	background: var(--eldrion-surface-hover);
	transform: translateY(-2px);
	color: var(--eldrion-text);
}

.post-navigation .nav-subtitle {
	display: block;
	font-size: var(--eldrion-text-xs);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: var(--eldrion-tracking-caps);
	color: var(--eldrion-muted);
	margin-bottom: var(--eldrion-space-2);
}

.post-navigation .nav-title {
	display: block;
	font-weight: 600;
	font-size: var(--eldrion-text-md);
	line-height: var(--eldrion-leading-snug);
	color: var(--eldrion-text);
}

@media (max-width: 640px) {
	.post-navigation .nav-links {
		grid-template-columns: 1fr;
	}

	.post-navigation .nav-next {
		text-align: left;
	}
}

/* Comments */
.eldrion-comments .comment-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: var(--eldrion-space-5);
}

.eldrion-comments .comment {
	padding: var(--eldrion-space-5);
	background: var(--eldrion-surface);
	border: 1px solid var(--eldrion-border);
	border-radius: var(--eldrion-radius);
}

.eldrion-comments .comment-author {
	font-weight: 600;
	color: var(--eldrion-text);
}

.eldrion-comments .comment-meta {
	font-size: var(--eldrion-text-sm);
	color: var(--eldrion-muted);
	margin-bottom: var(--eldrion-space-3);
}

.eldrion-comments .comment-form input[type="text"],
.eldrion-comments .comment-form input[type="email"],
.eldrion-comments .comment-form input[type="url"],
.eldrion-comments .comment-form textarea {
	width: 100%;
	padding: var(--eldrion-space-3) var(--eldrion-space-4);
	margin-bottom: var(--eldrion-space-4);
	border: 1px solid var(--eldrion-border);
	border-radius: 10px;
	background: rgba(8, 12, 20, 0.6);
	color: var(--eldrion-text);
	font: inherit;
	transition: border-color var(--eldrion-transition);
}

.eldrion-comments .comment-form input:focus,
.eldrion-comments .comment-form textarea:focus {
	border-color: var(--eldrion-accent);
}

.eldrion-comments .form-submit input[type="submit"] {
	padding: 0.75rem 1.5rem;
	font-weight: 600;
	color: #fff;
	background: linear-gradient(135deg, var(--eldrion-accent), #6d28d9);
	border: none;
	border-radius: 100px;
	cursor: pointer;
	transition: transform var(--eldrion-transition), box-shadow var(--eldrion-transition);
}

.eldrion-comments .form-submit input[type="submit"]:hover {
	transform: translateY(-1px);
	box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35);
}

/* Footer */
.eldrion-footer {
	position: relative;
	background:
		linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.8) 100%),
		rgba(5, 5, 5, 0.6);
}

.eldrion-footer::before {
	content: "";
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
	width: min(600px, 80%);
	height: 1px;
	background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.5), rgba(139, 92, 246, 0.4), transparent);
}

.eldrion-footer .eldrion-menu {
	flex-direction: column;
	align-items: flex-start;
	gap: var(--eldrion-space-3);
}

.eldrion-footer .eldrion-menu a {
	color: var(--eldrion-muted);
	font-size: var(--eldrion-text-sm);
}

.eldrion-footer .eldrion-menu a::after {
	display: none;
}

.eldrion-footer .eldrion-menu a:hover {
	color: var(--eldrion-accent-light);
}

/* Gutenberg blocks in prose */
.eldrion-prose .wp-block-button__link,
.eldrion-main .wp-block-button__link {
	font-weight: 600;
	padding: 0.85rem 1.75rem;
	transition: transform var(--eldrion-transition), box-shadow var(--eldrion-transition);
}

.eldrion-prose .wp-block-button__link:hover,
.eldrion-main .wp-block-button__link:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 32px rgba(139, 92, 246, 0.35);
}

.eldrion-prose .wp-block-code,
.eldrion-prose pre {
	padding: var(--eldrion-space-5);
	background: rgba(8, 12, 20, 0.9);
	border: 1px solid var(--eldrion-border);
	border-radius: var(--eldrion-radius);
	font-size: 0.9rem;
	overflow-x: auto;
}

.eldrion-prose .wp-block-table {
	border-collapse: collapse;
	width: 100%;
}

.eldrion-prose .wp-block-table th,
.eldrion-prose .wp-block-table td {
	padding: var(--eldrion-space-3) var(--eldrion-space-4);
	border: 1px solid var(--eldrion-border);
}

.eldrion-prose .wp-block-table th {
	background: var(--eldrion-surface);
	font-weight: 600;
}

/* Archive title from WP */
.eldrion-archive-hero .archive-title,
.eldrion-page-hero .archive-title {
	font-family: var(--eldrion-font-display);
	font-weight: 500;
	font-size: var(--eldrion-text-3xl);
	margin: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	html {
		scroll-behavior: auto;
	}

	.eldrion-card:hover,
	.eldrion-wp-card:hover {
		transform: none;
	}
}