/* ========================================
   BLOWFISH — a Bludit theme inspired by Blowfish
   Monochrome palette with light & dark modes
   ======================================== */

/* ----------------------------------------
   INTER — self-hosted (no third-party font request)
   ---------------------------------------- */
@font-face {
	font-family: 'Inter';
	font-style: normal;
	font-weight: 400;
	font-display: swap;
	src: url('../fonts/inter-400.woff2') format('woff2');
}
@font-face {
	font-family: 'Inter';
	font-style: normal;
	font-weight: 500;
	font-display: swap;
	src: url('../fonts/inter-500.woff2') format('woff2');
}
@font-face {
	font-family: 'Inter';
	font-style: normal;
	font-weight: 600;
	font-display: swap;
	src: url('../fonts/inter-600.woff2') format('woff2');
}
@font-face {
	font-family: 'Inter';
	font-style: normal;
	font-weight: 700;
	font-display: swap;
	src: url('../fonts/inter-700.woff2') format('woff2');
}

/* ----------------------------------------
   THEME TOKENS — Light Mode (default)
   ---------------------------------------- */
:root {
	color-scheme: light;

	/* Accent (monochrome: near-black in light mode) */
	--accent: #1f1f1f;
	--accent-hover: #000000;
	--accent-contrast: #ffffff;

	/* Surfaces */
	--bg-body: #ffffff;
	--bg-surface: #ffffff;
	--bg-subtle: #f5f5f5;
	--bg-hover: #f0f0f0;

	/* Text */
	--text-primary: #1f1f1f;
	--text-secondary: #595959;
	--text-muted: #8c8c8c;

	/* Borders */
	--border-color: #e5e5e5;
	--border-subtle: #ededed;

	/* Chrome (navbar / footer) — fixed dark in both modes */
	--chrome-bg: #1f1f1f;
	--chrome-text: rgba(255, 255, 255, 0.92);
	--chrome-text-hover: #ffffff;

	/* Shadows */
	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
	--shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);

	/* Code */
	--code-bg: #f5f5f5;
	--code-text: #1f1f1f;

	/* Spacing scale */
	--space-xs: 0.5rem;
	--space-sm: 1rem;
	--space-md: 1.5rem;
	--space-lg: 2rem;
	--space-xl: 3rem;

	/* Radii */
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 18px;

	/* Typography */
	--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-size-base: 1.05rem;
	--font-size-sm: 0.875rem;
	--font-size-xs: 0.78rem;
	--line-height-base: 1.7;

	/* The social SVGs are baked white (rgba(255,255,255,.5)). On the light theme
	   the hero sits on a light background, so darken them to black; dark themes
	   keep them white via brightness(0) invert(1). (The navbar tints its own.) */
	--social-icon-filter: brightness(0);
}

/* ----------------------------------------
   THEME TOKENS — Dark Mode
   ---------------------------------------- */
[data-theme="dark"] {
	color-scheme: dark;

	--accent: #e5e5e5;
	--accent-hover: #ffffff;
	--accent-contrast: #171717;

	--bg-body: #171717;
	--bg-surface: #1f1f1f;
	--bg-subtle: #262626;
	--bg-hover: #2e2e2e;

	--text-primary: #ededed;
	--text-secondary: #b0b0b0;
	--text-muted: #808080;

	--border-color: #333333;
	--border-subtle: #2a2a2a;

	--chrome-bg: #1f1f1f;
	--chrome-text: rgba(255, 255, 255, 0.88);
	--chrome-text-hover: #ffffff;

	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
	--shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.5);

	--code-bg: #262626;
	--code-text: #ededed;

	--social-icon-filter: brightness(0) invert(1);
}

/* ----------------------------------------
   THEME TOKENS — Nord (arctic)
   ---------------------------------------- */
[data-theme="nord"] {
	color-scheme: dark;

	--accent: #88c0d0;
	--accent-hover: #8fbcbb;
	--accent-contrast: #2e3440;

	--bg-body: #2e3440;
	--bg-surface: #3b4252;
	--bg-subtle: #434c5e;
	--bg-hover: #4c566a;

	--text-primary: #eceff4;
	--text-secondary: #d8dee9;
	--text-muted: #8b95a8;

	--border-color: #434c5e;
	--border-subtle: #3b4252;

	--chrome-bg: #3b4252;
	--chrome-text: rgba(236, 239, 244, 0.9);
	--chrome-text-hover: #eceff4;

	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
	--shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.4);

	--code-bg: #3b4252;
	--code-text: #eceff4;

	--social-icon-filter: brightness(0) invert(1);
}

/* ----------------------------------------
   THEME TOKENS — Dracula
   ---------------------------------------- */
[data-theme="dracula"] {
	color-scheme: dark;

	--accent: #bd93f9;
	--accent-hover: #caa6fa;
	--accent-contrast: #282a36;

	--bg-body: #282a36;
	--bg-surface: #343746;
	--bg-subtle: #44475a;
	--bg-hover: #44475a;

	--text-primary: #f8f8f2;
	--text-secondary: #c4c6d6;
	--text-muted: #6272a4;

	--border-color: #44475a;
	--border-subtle: #383b4a;

	--chrome-bg: #343746;
	--chrome-text: rgba(248, 248, 242, 0.9);
	--chrome-text-hover: #f8f8f2;

	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
	--shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.45);

	--code-bg: #21222c;
	--code-text: #f8f8f2;

	--social-icon-filter: brightness(0) invert(1);
}

/* ----------------------------------------
   THEME TOKENS — Catppuccin Mocha
   ---------------------------------------- */
[data-theme="catppuccin"] {
	color-scheme: dark;

	--accent: #cba6f7;
	--accent-hover: #d7bdf9;
	--accent-contrast: #1e1e2e;

	--bg-body: #1e1e2e;
	--bg-surface: #313244;
	--bg-subtle: #45475a;
	--bg-hover: #585b70;

	--text-primary: #cdd6f4;
	--text-secondary: #bac2de;
	--text-muted: #a6adc8;

	--border-color: #45475a;
	--border-subtle: #313244;

	--chrome-bg: #313244;
	--chrome-text: rgba(205, 214, 244, 0.9);
	--chrome-text-hover: #cdd6f4;

	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
	--shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.45);

	--code-bg: #181825;
	--code-text: #cdd6f4;

	--social-icon-filter: brightness(0) invert(1);
}

/* ========================================
   BASE
   ======================================== */
html {
	position: relative;
	min-height: 100%;
	scroll-behavior: smooth;
	background-color: var(--bg-body);
}

body {
	font-family: var(--font-sans);
	padding-top: 56px;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	background-color: var(--bg-body);
	color: var(--text-primary);
	font-size: var(--font-size-base);
	line-height: var(--line-height-base);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

/* Main content grows so the footer is pushed to the bottom (sticky footer) */
body > .container,
body > .container-wide {
	flex: 1 0 auto;
	width: 100%;
	padding-bottom: var(--space-xl);
}

/* Wider container used on article pages that have a ToC sidebar.
   Same gutter behaviour as Bootstrap's .container but with more breathing room. */
.container-wide {
	padding-right: 15px;
	padding-left: 15px;
	margin-right: auto;
	margin-left: auto;
	max-width: 1400px;
}

/* Align the navbar's inner container with the wider article layout so the
   brand lines up with the ToC and the nav items line up with the right sidebar. */
body.has-toc .navbar .container {
	max-width: 1400px;
}

img {
	max-width: 100%;
	height: auto;
}

::selection {
	background: var(--accent);
	color: var(--accent-contrast);
}

/* ========================================
   LINKS
   ======================================== */
a {
	color: var(--text-primary);
	text-decoration: none;
	transition: color 0.2s ease;
}

a:hover {
	color: var(--text-secondary);
	text-decoration: none;
}

a:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
	border-radius: 2px;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
	color: var(--text-primary);
	font-weight: 700;
	line-height: 1.25;
	letter-spacing: -0.02em;
}

h1.title {
	font-size: 2.4rem;
	margin-bottom: var(--space-md);
}

h2.title {
	font-size: 1.85rem;
	margin-bottom: var(--space-sm);
}

.content {
	margin-top: var(--space-md);
}

.content h2 { font-size: 1.6rem; margin-top: var(--space-xl); }
.content h3 { font-size: 1.3rem; margin-top: var(--space-lg); }

.content p,
.content ul,
.content ol {
	margin-bottom: var(--space-md);
}

/* Justified body text on wide screens, where long lines keep the word gaps
   tidy — helped by auto-hyphenation. Below 576px the lines are too short for
   justification (rivers of whitespace), so mobile falls back to left-aligned. */
.content p {
	text-align: justify;
	text-align-last: left; /* never stretch a paragraph's final line */
	hyphens: auto;
	-webkit-hyphens: auto;
}

@media (max-width: 575.98px) {
	.content p {
		text-align: left;
		hyphens: none;
		-webkit-hyphens: none;
	}
}

/* In-content links: underlined so they're distinguishable from body text.
   The palette is monochrome (accent ≈ text colour), so colour alone can't
   signal a link — the underline does. Heading anchors and image links opt out. */
.content a:not(.heading-anchor) {
	text-decoration: underline;
	text-decoration-color: var(--text-muted);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

.content a:not(.heading-anchor):hover {
	color: var(--text-primary);
	text-decoration-color: var(--accent);
	text-decoration-thickness: 2px;
}

/* Links that wrap an image (lightbox) shouldn't draw an underline stub */
.content a:has(> img) {
	text-decoration: none;
}

.content img {
	border-radius: var(--radius-md);
	margin: var(--space-md) 0;
}

hr {
	border: none;
	border-top: 1px solid var(--border-color);
	margin: var(--space-xl) 0;
}

/* ========================================
   FORMS
   ======================================== */
input,
textarea,
select,
.form-control {
	background-color: var(--bg-surface);
	color: var(--text-primary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-sm);
}

.form-control:focus {
	background-color: var(--bg-surface);
	color: var(--text-primary);
	border-color: var(--accent);
	box-shadow: 0 0 0 3px rgba(127, 127, 127, 0.18);
}

/* ========================================
   CODE
   ======================================== */
pre,
code {
	background: var(--code-bg);
	color: var(--code-text);
	border-radius: var(--radius-sm);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
	transition: background-color 0.25s ease, color 0.25s ease;
}

pre {
	border: 1px solid var(--border-color);
	border-left: 3px solid var(--accent);
	padding: var(--space-md);
	overflow-x: auto;
	/* max-width + min-width:0 on flex ancestors is required for overflow-x:auto
	   to actually scroll rather than expand or clip the flex column. */
	max-width: 100%;
	white-space: pre;
	line-height: 1.5; /* denser than body text — reads better for code */
}

/* Bootstrap flex columns default to min-width:auto, which lets them grow past
   their grid width and breaks overflow-x:auto on pre/code blocks inside them. */
.row > [class*="col-"] {
	min-width: 0;
}

code {
	display: inline-block;
	padding: 0.15em 0.45em;
	font-size: 0.875em;
}

pre code {
	display: block; /* not inline-block — avoids the baseline gap below the code */
	padding: 0;
	background: transparent;
	border: none;
}

/* Always-visible scrollbar on code blocks.
   -webkit-appearance: none disables macOS overlay/auto-hide behaviour;
   a non-transparent track ensures the slot is always painted. */
pre {
	scrollbar-width: thin;
	scrollbar-color: var(--text-muted) var(--bg-subtle);
}
pre::-webkit-scrollbar {
	-webkit-appearance: none;
	height: 8px;
}
pre::-webkit-scrollbar-track {
	background: var(--bg-subtle);
	border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
pre::-webkit-scrollbar-thumb {
	background: var(--text-muted);
	border-radius: 4px;
}
pre::-webkit-scrollbar-thumb:hover {
	background: var(--text-secondary);
}

/* ========================================
   TABLES
   ======================================== */
table {
	empty-cells: show;
	border: 1px solid var(--border-color);
	width: 100%;
	font-size: 0.95em;
	margin-bottom: var(--space-md);
	border-radius: var(--radius-sm);
	overflow: hidden;
	border-collapse: collapse;
}

thead {
	background: var(--bg-subtle);
	color: var(--text-primary);
	text-align: left;
}

tbody tr {
	transition: background-color 0.2s ease;
}

tbody tr:hover {
	background-color: var(--bg-hover);
}

th, td {
	padding: 0.75em 1em;
	border-bottom: 1px solid var(--border-color);
}

/* ========================================
   BLOCKQUOTES
   ======================================== */
blockquote {
	padding: var(--space-md) var(--space-lg);
	margin: 0 0 var(--space-lg) 0;
	border-left: 4px solid var(--accent);
	background-color: var(--bg-subtle);
	border-radius: var(--radius-sm);
	color: var(--text-secondary);
	font-style: italic;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar-modern {
	background: var(--chrome-bg) !important;
	box-shadow: var(--shadow-sm);
	padding-top: 0.5rem;
	padding-bottom: 0.5rem;
	min-height: 56px;
}

.navbar-brand {
	font-weight: 700;
	font-size: 1.1rem;
	letter-spacing: -0.01em;
}

.navbar-brand .text-white {
	color: #ffffff !important;
}

.navbar .nav-link {
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--chrome-text) !important;
	padding: 0.4rem 0.85rem !important;
	border-radius: var(--radius-sm);
	transition: background-color 0.2s ease, color 0.2s ease;
}

.navbar .nav-link:hover {
	background-color: rgba(255, 255, 255, 0.12);
	color: var(--chrome-text-hover) !important;
}

.navbar .nav-link.active {
	background-color: rgba(255, 255, 255, 0.18);
	color: var(--chrome-text-hover) !important;
}

.navbar .nav-link .bi,
.navbar .nav-link .bd-icon {
	font-size: 1.15rem;
	margin-right: 0;
	vertical-align: -0.05em;
}

/* Social SVG icons (img/<network>.svg) — rendered white on the dark navbar */
img.nav-svg-icon {
	width: 1.2rem;
	height: 1.2rem;
	filter: brightness(0) invert(1);
	opacity: 0.85;
	transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-link:hover img.nav-svg-icon {
	opacity: 1;
	transform: translateY(-1px);
}

/* Theme toggle button */
.theme-toggle {
	background: transparent;
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: var(--chrome-text) !important;
	border-radius: var(--radius-sm);
	width: 38px;
	height: 38px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background-color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
	background-color: rgba(255, 255, 255, 0.12);
	border-color: rgba(255, 255, 255, 0.4);
	color: #ffffff !important;
}

.theme-toggle .bi,
.theme-toggle .bd-icon {
	font-size: 1.1rem;
	margin-right: 0;
}

/* ----------------------------------------
   THEME PICKER DROPDOWN
   ---------------------------------------- */
.theme-picker-wrap {
	position: relative;
}

.theme-picker {
	position: absolute;
	right: 0;
	top: calc(100% + 10px);
	display: flex;
	gap: 2px;
	padding: 10px 8px;
	background: #111111;
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: var(--radius-md);
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
	z-index: 1051;
	/* hidden by default */
	visibility: hidden;
	opacity: 0;
	transform: translateY(-6px) scale(0.95);
	transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
	pointer-events: none;
}

.theme-picker.is-open {
	visibility: visible;
	opacity: 1;
	transform: translateY(0) scale(1);
	transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0s;
	pointer-events: auto;
}

.swatch {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 5px;
	background: none;
	border: none;
	padding: 6px 7px;
	cursor: pointer;
	border-radius: 8px;
	transition: background 0.12s;
}

.swatch:hover {
	background: rgba(255, 255, 255, 0.08);
}

/* --sb = swatch background (bg-body of that theme)
   --sa = swatch accent colour                       */
.swatch-dot {
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--sb);
	border: 2px solid var(--sa);
	transition: box-shadow 0.15s;
}

.swatch.is-active .swatch-dot {
	box-shadow: 0 0 0 2px var(--sa), 0 0 0 4px rgba(255, 255, 255, 0.18);
}

.swatch-label {
	font-size: 9px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: rgba(255, 255, 255, 0.45);
	transition: color 0.12s;
}

.swatch.is-active .swatch-label {
	color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   PROFILE HERO (Blowfish-style homepage)
   ======================================== */
.profile {
	padding: var(--space-lg) 0 var(--space-md);
	margin-bottom: var(--space-md);
	border-bottom: 1px solid var(--border-color);
}

.profile-avatar {
	width: 150px;
	height: 150px;
	border-radius: 50%;
	object-fit: cover;
	border: 4px solid var(--bg-surface);
	box-shadow: var(--shadow-md);
	margin-bottom: var(--space-md);
}

.profile-name {
	font-size: 2.1rem;
	margin-bottom: var(--space-xs);
}

.profile-bio {
	color: var(--text-secondary);
	font-size: 1.1rem;
	margin-bottom: var(--space-md);
}

.profile-social {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: var(--space-md);
}

.profile-social a {
	display: inline-flex;
}

.profile-social-icon {
	width: 1.4rem;
	height: 1.4rem;
	opacity: 0.65;
	filter: var(--social-icon-filter);
	transition: opacity 0.2s ease, transform 0.2s ease;
}

.profile-social a:hover .profile-social-icon {
	opacity: 1;
	transform: translateY(-2px);
}

@media (max-width: 767.98px) {
	.profile-avatar { width: 120px; height: 120px; }
	.profile-name { font-size: 1.7rem; }
}

/* ========================================
   HOME SEARCH (relocated under the hero)
   ======================================== */
.home-search {
	margin: 0 0 var(--space-md);
}

.home-search .plugin,
.home-search .plugin-content {
	border: none;
	padding: 0;
	margin: 0;
}

/* Hide the "Search" label — Popeye-style bare search bar */
.home-search .plugin-label {
	display: none;
}

.home-search .plugin-content,
.home-search form {
	display: flex;
	width: 100%;
	gap: var(--space-sm);
	align-items: stretch;
	margin: 0;
}

/* Force the theme palette over the plugin's own / Bootstrap defaults */
.home-search input,
.home-search .form-control {
	flex: 1 1 auto;
	margin: 0 !important;
	background-color: var(--bg-surface) !important;
	color: var(--text-primary) !important;
	border: 1px solid var(--border-color) !important;
	border-radius: var(--radius-sm) !important;
}

.home-search input::placeholder,
.home-search .form-control::placeholder {
	color: var(--text-muted) !important;
}

.home-search button,
.home-search .btn {
	flex: 0 0 auto;
	width: auto !important;          /* cancel Bootstrap's btn-block */
	margin: 0 !important;
	white-space: nowrap;
	background-color: var(--accent) !important;
	border: 1px solid var(--accent) !important;
	color: var(--accent-contrast) !important;
	border-radius: var(--radius-sm) !important;
}

@media (max-width: 575.98px) {
	.home-search .plugin-content,
	.home-search form {
		flex-direction: column;
	}

	.home-search button,
	.home-search .btn {
		width: 100% !important;
	}
}

/* ========================================
   POST LIST (titles only)
   ======================================== */
.post-list {
	margin-top: var(--space-xl);
}

.post-list-item {
	padding: var(--space-lg) 0;
	border-bottom: 1px solid var(--border-subtle);
}

.post-list-item:first-child {
	padding-top: 0;
}

.post-list-item:last-child {
	border-bottom: none;
}

/* Stacked: title, then date right beneath it */
.post-list-title {
	font-size: 1.4rem;
	font-weight: 600;
	margin: 0 0 0.2rem;
	color: var(--text-primary);
	transition: color 0.2s ease;
}

.post-list-head a:hover .post-list-title {
	color: var(--text-secondary);
}

.post-list-meta {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--text-muted);
	font-size: var(--font-size-sm);
	white-space: nowrap;
}

.post-list-meta .bi,
.post-list-meta .bd-icon {
	margin-right: 0.25rem;
}

/* Excerpt: 1-2 lines of the page description, clamped so long ones can't
   push the list around */
.post-list-excerpt {
	margin: 0.6rem 0 0;
	color: var(--text-secondary);
	font-size: 0.95rem;
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.post-list-item .post-taxonomy {
	margin-top: var(--space-sm);
}

/* "+N" overflow badge — muted, links to the post (where all tags are shown) */
.taxonomy-badge-more {
	color: var(--text-muted);
	border-style: dashed;
}

/* ========================================
   POST CARDS (single page / post)
   ======================================== */
.card-modern {
	background: transparent;
	border: none;
	border-bottom: 1px solid var(--border-color);
	padding-bottom: var(--space-xl);
	margin-bottom: var(--space-xl);
}

.card-modern:last-child {
	border-bottom: none;
}

.card-modern .card-img-top {
	border-radius: var(--radius-md);
}

.card-modern .card-body {
	padding: 0;
	margin-top: var(--space-md);
}

.card-modern .title {
	color: var(--text-primary);
	transition: color 0.2s ease;
}

.card-modern a:hover .title {
	color: var(--text-secondary);
}

.cover-image-wrapper {
	position: relative;
	overflow: hidden;
	border-radius: var(--radius-md);
	margin-bottom: var(--space-md);
	/* Reserve space at a fixed ratio so the cover doesn't shift layout while it
	   loads (Cumulative Layout Shift). */
	aspect-ratio: 16 / 9;
}

.cover-image-wrapper .card-img-top {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.4s ease;
}

.card-modern:hover .cover-image-wrapper .card-img-top {
	transform: scale(1.03);
}

/* ========================================
   METADATA (date, reading time)
   ======================================== */
.metadata {
	color: var(--text-muted);
	font-size: var(--font-size-sm);
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-md);
	align-items: center;
}

.metadata i,
.metadata .bd-icon {
	color: var(--text-muted);
	margin-right: 0.35rem;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary-gradient {
	background: var(--accent);
	border: none;
	color: var(--accent-contrast);
	padding: 0.6rem 1.3rem;
	border-radius: var(--radius-sm);
	font-weight: 600;
	font-size: var(--font-size-sm);
	transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
	box-shadow: var(--shadow-sm);
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}

.btn-primary-gradient:hover {
	background: var(--accent-hover);
	color: var(--accent-contrast);
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
	text-decoration: none;
}

.btn-primary-gradient .bi,
.btn-primary-gradient .bd-icon {
	margin-right: 0;
	transition: transform 0.2s ease;
}

.btn-primary-gradient:hover .bi,
.btn-primary-gradient:hover .bd-icon {
	transform: translateX(3px);
}

/* ========================================
   TAXONOMY (tags & categories)
   ======================================== */
.post-taxonomy {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	align-items: center;
}

.taxonomy-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.3rem 0.8rem;
	border-radius: 999px;
	font-size: var(--font-size-xs);
	font-weight: 500;
	border: 1px solid var(--border-color);
	color: var(--text-secondary);
	background: transparent;
	transition: all 0.2s ease;
}

.taxonomy-badge .bi,
.taxonomy-badge .bd-icon {
	margin-right: 0.35rem;
	font-size: 0.85em;
}

.taxonomy-badge:hover {
	background: var(--accent);
	color: var(--accent-contrast);
	border-color: var(--accent);
}

/* ========================================
   PAGINATION
   ======================================== */
.pagination {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.4rem;
}

/* Use .page-item .page-link (3 classes) so we beat Bootstrap's own
   .page-item:first-child/:last-child rules that round only the outer corners
   and add -1px margins — otherwise the buttons look like a connected group
   with mismatched corners. Every button is a uniform, evenly-rounded box. */
.pagination .page-item .page-link {
	display: inline-flex !important;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	min-width: 2.6rem;
	min-height: 2.6rem;
	margin: 0 !important;
	padding: 0.5rem 0.7rem;
	background: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-sm) !important;
	color: var(--text-primary);
	font-weight: 500;
	line-height: 1;
	transition: all 0.2s ease;
}

/* Chevrons sit centred (the shared icon margin would push them off-centre) */
.pagination .page-item .page-link .bd-icon {
	margin-right: 0;
}

.pagination .page-item .page-link:hover {
	background: var(--accent);
	color: var(--accent-contrast);
	border-color: var(--accent);
	transform: translateY(-2px);
}

/* Current page: highlighted, non-interactive */
.pagination .page-item.active .page-link {
	background: var(--accent);
	color: var(--accent-contrast);
	border-color: var(--accent);
	transform: none;
	cursor: default;
}

.pagination .page-item.disabled .page-link {
	background: var(--bg-subtle);
	color: var(--text-muted);
	border-color: var(--border-color);
}

/* ========================================
   SIDEBAR + PLUGINS
   ======================================== */
.sidebar-container {
	margin-top: var(--space-xl);
	background: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-lg);
	padding: var(--space-lg);
	font-size: 0.9rem;
}

/* Author card inside the sidebar (article view) */
.sidebar-author {
	padding-bottom: 1.2rem;
	margin-bottom: 1.2rem;
	border-bottom: 1px solid var(--border-subtle);
	text-align: center;
}

.sidebar-author-label {
	display: block;
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted);
	margin-bottom: 0.85rem;
}

.sidebar-author-identity {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.6rem;
}

.sidebar-author-avatar {
	width: 100px;
	height: 100px;
	border-radius: 50%;
	object-fit: cover;
	border: 2px solid var(--border-color);
	transition: transform 0.2s ease;
}

.sidebar-author-avatar:hover {
	transform: translateY(-2px);
}

.sidebar-author-name {
	font-weight: 700;
	font-size: 1.1rem;
	color: var(--text-primary);
	line-height: 1.3;
}

.sidebar-author-bio {
	color: var(--accent);
	font-size: var(--font-size-xs);
	margin: 0.15rem 0 0;
	line-height: 1.4;
	opacity: 0.75;
	text-shadow: 0 0 12px var(--accent);
}

.plugin {
	padding-bottom: 1.2rem;
	margin-bottom: 1.2rem;
	border-bottom: 1px solid var(--border-subtle);
}

.plugin:last-child {
	border-bottom: none;
	margin-bottom: 0;
	padding-bottom: 0;
}

/* The navigation plugin is wrapped in .js-random-nav, so it matches
   .plugin:last-child even when it isn't last — restore its divider/spacing. */
.js-random-nav .plugin {
	border-bottom: 1px solid var(--border-subtle);
	margin-bottom: 1.2rem;
	padding-bottom: 1.2rem;
}

/* …unless the wrapped navigation really is the last item in the sidebar. */
.sidebar-container > .js-random-nav:last-child .plugin {
	border-bottom: none;
	margin-bottom: 0;
	padding-bottom: 0;
}

.plugin-label {
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted);
	margin-bottom: var(--space-sm);
}

.plugin ul {
	list-style: none;
	padding: 0;
	margin: 0;
}

.plugin ul li {
	padding: 0.15rem 0;
}

.plugin ul li a {
	color: var(--text-secondary);
	display: block;
	transition: color 0.2s ease;
}

.plugin ul li a:hover {
	color: var(--text-primary);
}

/* Tags & categories in sidebar — badge style */
.plugin.plugin-tags ul,
.plugin.plugin-categories ul {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
}

.plugin.plugin-tags li,
.plugin.plugin-categories li {
	padding: 0;
}

.plugin.plugin-tags li a,
.plugin.plugin-categories li a {
	background: var(--bg-subtle);
	color: var(--text-secondary);
	padding: 0.3rem 0.8rem;
	border-radius: 999px;
	font-size: var(--font-size-xs);
	font-weight: 500;
	display: inline-block;
	transition: all 0.2s ease;
}

.plugin.plugin-tags li a:hover,
.plugin.plugin-categories li a:hover {
	background: var(--accent);
	color: var(--accent-contrast);
}

/* Categories grid: as many ~7rem columns as fit — 2 on the wider article-page
   sidebar, automatically 1 on the narrower homepage sidebar — so names are never
   crushed into a too-small cell. */
.plugin.plugin-categories ul {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
	gap: 0.4rem;
}

.plugin.plugin-categories li {
	min-width: 0; /* let grid items shrink rather than overflow */
}

.plugin.plugin-categories li a {
	/* fill the cell and centre the label; equal-height pills per row */
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
	text-align: center;
	padding: 0.3rem 0.55rem;
	line-height: 1.25;
	/* wrap only at spaces (e.g. "Security" / "(1)"), never mid-word */
	overflow-wrap: normal;
	word-break: normal;
}

/* Search plugin — target input directly in case the plugin omits form-control */
.plugin.plugin-search input,
.plugin.plugin-search .form-control {
	border: 1px solid var(--border-color) !important;
	border-radius: var(--radius-sm) !important;
	padding: 0.6rem 0.9rem !important;
	background: var(--bg-surface) !important;
	background-color: var(--bg-surface) !important;
	color: var(--text-primary) !important;
	width: 100%;
}

.plugin.plugin-search input::placeholder,
.plugin.plugin-search .form-control::placeholder {
	color: var(--text-muted) !important;
}

.plugin.plugin-search input:focus,
.plugin.plugin-search .form-control:focus {
	border-color: var(--accent) !important;
	box-shadow: 0 0 0 3px rgba(127, 127, 127, 0.18) !important;
	outline: none !important;
	background: var(--bg-surface) !important;
	background-color: var(--bg-surface) !important;
}

.plugin.plugin-search button,
.plugin.plugin-search .btn {
	background: var(--accent) !important;
	background-color: var(--accent) !important;
	border: 1px solid var(--accent) !important;
	color: var(--accent-contrast) !important;
	padding: 0.55rem 1.2rem;
	border-radius: var(--radius-sm);
	font-weight: 600;
	transition: background-color 0.2s ease, transform 0.2s ease;
	margin-top: var(--space-sm);
}

/* Higher-specificity rule for the sidebar context so we beat any plugin-bundled
   CSS that gets loaded after style.css and re-sets the button colour. */
.sidebar-container .plugin.plugin-search button,
.sidebar-container .plugin.plugin-search .btn {
	background: var(--accent) !important;
	background-color: var(--accent) !important;
	border-color: var(--accent) !important;
	color: var(--accent-contrast) !important;
}

.plugin.plugin-search button:hover,
.plugin.plugin-search .btn:hover {
	background: var(--accent-hover) !important;
	background-color: var(--accent-hover) !important;
	border-color: var(--accent-hover) !important;
	transform: translateY(-2px);
}

/* ========================================
   FOOTER
   ======================================== */
footer.footer-modern {
	flex-shrink: 0;
	width: 100%;
	min-height: 64px;
	line-height: 1.6;
	background: var(--chrome-bg);
	color: var(--chrome-text);
	padding: 1rem 0;
	font-size: var(--font-size-xs);
}

footer.footer-modern a {
	color: var(--chrome-text);
	transition: color 0.2s ease;
}

footer.footer-modern a:hover {
	color: var(--chrome-text-hover);
}

.mini-logo {
	height: 22px;
	vertical-align: middle;
	filter: brightness(0) invert(1);
}

/* ========================================
   ICON SPACING
   ======================================== */
.bi,
.bd-icon {
	margin-right: 0.4rem;
}

/* Inline SVG icons: sized to 1em via their width/height attrs, aligned like
   the old icon font, and never shrink inside flex rows. */
.bd-icon {
	vertical-align: -0.125em;
	flex: 0 0 auto;
}

/* ========================================
   TABBED CODE BLOCKS  (```tabs fences)
   ======================================== */
.tab-group {
	margin: var(--space-md) 0;
	border: 1px solid var(--border-color);
	border-radius: var(--radius-sm);
	overflow: hidden;
}

.tab-list {
	display: flex;
	background: var(--bg-subtle);
	border-bottom: 1px solid var(--border-color);
	overflow-x: auto;
	scrollbar-width: none;
}

.tab-list::-webkit-scrollbar { display: none; }

.tab-btn {
	padding: 0.45rem 1rem;
	font-size: var(--font-size-sm);
	font-weight: 600;
	font-family: var(--font-sans);
	background: none;
	border: none;
	border-bottom: 2px solid transparent;
	color: var(--text-muted);
	cursor: pointer;
	white-space: nowrap;
	margin-bottom: -1px;
	transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
	color: var(--text-primary);
}

.tab-btn.is-active {
	color: var(--accent);
	border-bottom-color: var(--accent);
}

/* Copy button pinned to the right of the tab bar (copies the active tab) */
.tab-copy {
	align-self: center;
	margin-left: auto;
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.25rem 0.7rem;
	border: none;
	background: transparent;
	color: var(--text-muted);
	font-size: var(--font-size-xs);
	font-weight: 600;
	font-family: var(--font-sans);
	white-space: nowrap;
	cursor: pointer;
	transition: color 0.15s ease;
}

.tab-copy:hover { color: var(--text-primary); }
.tab-copy.is-copied { color: var(--accent); }
.tab-copy svg { display: block; }
.tab-copy-label { line-height: 1; }

.tab-panel {
	display: none;
}

.tab-panel.is-active {
	display: block;
}

/* Inherit code-block look; remove double borders with the group container */
.tab-panel pre {
	margin: 0;
	border: none;
	border-radius: 0;
	padding: 0.7rem var(--space-md);
}

/* ========================================
   IMAGE CAROUSEL  (```carousel fences)
   ======================================== */
.carousel {
	position: relative;
	margin: var(--space-md) 0;
	border-radius: var(--radius-md);
	overflow: hidden;
}

.carousel-slide {
	display: none;
	position: relative;
}

.carousel-slide.is-active {
	display: block;
}

.carousel-slide img {
	width: 100%;
	height: auto;
	display: block;
	cursor: zoom-in;
}

/* Caption: hidden by default, fades in on hover */
.carousel-caption {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	margin: 0;
	padding: 0.3rem 1rem;
	background: rgba(0, 0, 0, 0.6);
	color: rgba(255, 255, 255, 0.9);
	font-size: 0.75rem;
	text-align: center;
	opacity: 0;
	transition: opacity 0.2s ease;
}

.carousel-slide:hover .carousel-caption {
	opacity: 1;
}

/* Arrows */
.carousel-arrow {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 10;
	background: rgba(0, 0, 0, 0.4);
	color: #ffffff;
	border: none;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	font-size: 1.5rem;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background 0.15s ease;
}

.carousel-arrow:hover { background: rgba(0, 0, 0, 0.75); }
.carousel-prev { left: 10px; }
.carousel-next { right: 10px; }

/* Dots: overlaid at the bottom of the image, no separate strip */
.carousel-dots {
	position: absolute;
	bottom: 10px;
	left: 0;
	right: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 6px;
	pointer-events: none;
	z-index: 5;
}

.carousel-dot {
	pointer-events: auto;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.45);
	border: none;
	padding: 0;
	cursor: pointer;
	transition: background 0.15s ease, transform 0.15s ease;
}

.carousel-dot.is-active {
	background: #ffffff;
	transform: scale(1.5);
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox-overlay {
	position: fixed;
	inset: 0;
	z-index: 2000;
	background: rgba(0, 0, 0, 0.88);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: zoom-out;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.2s ease, visibility 0s linear 0.2s;
}

.lightbox-overlay.is-open {
	opacity: 1;
	visibility: visible;
	transition: opacity 0.2s ease, visibility 0s linear 0s;
}

.lightbox-overlay img {
	max-width: 90vw;
	max-height: 90vh;
	object-fit: contain;
	border-radius: var(--radius-sm);
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
	transform: scale(0.94);
	transition: transform 0.2s ease;
	cursor: zoom-out;
}

.lightbox-overlay.is-open img {
	transform: scale(1);
}

.lightbox-arrow {
	position: fixed;
	top: 50%;
	transform: translateY(-50%);
	z-index: 2001;
	background: rgba(255, 255, 255, 0.12);
	color: #ffffff;
	border: none;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	font-size: 2rem;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background 0.15s ease;
}

.lightbox-arrow:hover {
	background: rgba(255, 255, 255, 0.28);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* Zoomable image wrapper — JS wraps each content image in this span */
.zoomable-wrap {
	position: relative;
	display: inline-block;
	cursor: zoom-in;
	overflow: hidden; /* clips both pseudo-elements to image bounds */
}

/* ::before — dark overlay */
.zoomable-wrap::before {
	content: '';
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.38);
	opacity: 0;
	transition: opacity 0.2s ease;
	pointer-events: none;
	z-index: 1;
}

/* ::after — stroke-based magnifier, centred, fixed 36 px.
   Strokes render as vectors so no pixelation at any display size. */
.zoomable-wrap::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 36px;
	height: 36px;
	background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3Cline x1='11' y1='8' x2='11' y2='14'/%3E%3Cline x1='8' y1='11' x2='14' y2='11'/%3E%3C/svg%3E") center / contain no-repeat;
	opacity: 0;
	transition: opacity 0.2s ease;
	pointer-events: none;
	z-index: 2;
}

.zoomable-wrap:hover::before,
.zoomable-wrap:hover::after {
	opacity: 1;
}

/* ========================================
   TABLE OF CONTENTS (left sidebar, article view)
   ======================================== */
.toc-sidebar {
	margin-top: var(--space-xl);
	position: sticky;
	/* 56px = fixed navbar height; extra gap so the ToC doesn't hug it */
	top: calc(56px + var(--space-sm));
	max-height: calc(100vh - 56px - var(--space-md));
	overflow-y: auto;
	font-size: var(--font-size-sm);
}

.toc-title {
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted);
	margin-bottom: 0.75rem;
}

.toc-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.toc-item {
	padding: 0.15rem 0;
}

.toc-h3 {
	padding-left: 0.75rem;
}

.toc-h4 {
	padding-left: 1.5rem;
}

.toc-link {
	color: var(--text-muted);
	text-decoration: none;
	line-height: 1.5;
	display: block;
	transition: color 0.15s ease;
}

.toc-link:hover {
	color: var(--text-primary);
	text-decoration: none;
}

.toc-link.active {
	color: var(--accent);
	font-weight: 600;
	text-decoration: none;
}

/* ========================================
   SKIP-TO-CONTENT LINK (keyboard / a11y)
   ======================================== */
.skip-link {
	position: fixed;
	top: -120px;
	left: 1rem;
	z-index: 3000;
	padding: 0.6rem 1rem;
	background: var(--accent);
	color: var(--accent-contrast);
	border-radius: var(--radius-sm);
	font-weight: 600;
	text-decoration: none;
	box-shadow: var(--shadow-md);
	transition: top 0.15s ease;
}

.skip-link:focus {
	top: 1rem;
	color: var(--accent-contrast);
	text-decoration: none;
	outline: 2px solid var(--accent-contrast);
	outline-offset: 2px;
}

/* The skip target shouldn't paint a focus ring when jumped to */
#main-content:focus {
	outline: none;
}

/* ========================================
   READING PROGRESS BAR
   ======================================== */
.reading-progress {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	z-index: 1040; /* above the fixed-top navbar (Bootstrap z-index 1030) */
	background: transparent;
	pointer-events: none;
}

.reading-progress-fill {
	height: 100%;
	width: 0;
	background: var(--accent);
	transition: width 0.05s linear;
}

/* ========================================
   BACK-TO-TOP BUTTON
   ======================================== */
.back-to-top {
	position: fixed;
	bottom: 1.5rem;
	right: 1.5rem;
	z-index: 1035;
	width: 44px;
	height: 44px;
	padding: 0;
	border: none;
	border-radius: 50%;
	background: var(--accent);
	color: var(--accent-contrast);
	display: grid;
	place-items: center;
	cursor: pointer;
	box-shadow: var(--shadow-md);
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s, background 0.15s ease;
}

.back-to-top.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0s, background 0.15s ease;
}

.back-to-top:hover {
	background: var(--accent-hover);
}

/* Inline SVG arrow — centred in its own viewBox, so no font baseline/bearing
   offsets. grid place-items on the button does the rest. */
.back-to-top svg {
	display: block;
}

/* ========================================
   CODE BLOCKS — header bar (language label + copy button)
   ======================================== */
.code-block {
	margin: var(--space-md) 0;
	border: 1px solid var(--border-color);
	border-radius: var(--radius-sm);
	overflow: hidden;
}

/* The frame is owned by .code-block, so the inner <pre> drops its own.
   Tighter vertical padding (the header already bounds the top) so there's no
   tall empty band reading as a blank line above/below the numbered code. */
.code-block pre {
	margin: 0;
	border: none;
	border-radius: 0;
	padding: 0.7rem var(--space-md);
}

.code-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	padding: 0.3rem 0.5rem 0.3rem 0.9rem;
	background: var(--bg-subtle);
	border-bottom: 1px solid var(--border-color);
}

.code-lang {
	font-size: var(--font-size-xs);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--text-muted);
	font-family: var(--font-sans);
}

.code-copy {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.25rem 0.6rem;
	border: 1px solid transparent;
	border-radius: var(--radius-sm);
	background: transparent;
	color: var(--text-secondary);
	font-size: var(--font-size-xs);
	font-weight: 600;
	font-family: var(--font-sans);
	cursor: pointer;
	transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.code-copy:hover { color: var(--text-primary); background: var(--bg-hover); }

.code-copy.is-copied {
	color: var(--accent-contrast);
	background: var(--accent);
	border-color: var(--accent);
}

.code-copy svg { display: block; }
.code-copy-label { line-height: 1; }

/* ========================================
   GPU HINTS — promote animated layers ahead of time
   ======================================== */
.lightbox-overlay img,
.carousel-slide img {
	will-change: transform;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
	.reading-progress-fill { transition: none; }
	.back-to-top,
	.back-to-top.is-visible { transform: none; }
}

/* ========================================
   SYNTAX HIGHLIGHTING (highlight.js)
   Use only the theme's token colours; keep the code block's own
   background/padding (set on pre / --code-bg) rather than hljs's.
   ======================================== */
pre code.hljs {
	padding: 0 !important;
	background: transparent !important;
}

/* ========================================
   ANCHOR OFFSET — clear the fixed navbar on ToC / hash jumps
   Without this, jumping to a heading lands it at y=0, hidden behind the
   fixed-top navbar. scroll-margin-top stops the jump below the bar.
   ======================================== */
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
	scroll-margin-top: 5rem;
}

/* ========================================
   KEYBOARD FOCUS — visible ring for keyboard users only
   ======================================== */
a:focus-visible,
button:focus-visible,
.swatch:focus-visible,
.tab-btn:focus-visible,
.carousel-arrow:focus-visible,
.carousel-dot:focus-visible,
.lightbox-arrow:focus-visible,
.code-copy:focus-visible,
.back-to-top:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
	border-radius: 2px;
}

/* Don't show the ring for mouse clicks */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
	outline: none;
}

/* ========================================
   PRINT — clean, ink-friendly article output
   ======================================== */
@media print {
	.navbar-modern,
	.footer,
	.sidebar-container,
	.toc-sidebar,
	.skip-link,
	.reading-progress,
	.back-to-top,
	.code-copy,
	.code-copy-toast,
	.theme-picker-wrap {
		display: none !important;
	}

	html, body {
		background: #ffffff !important;
		color: #000000 !important;
	}

	/* Use the full page width once the chrome is gone */
	.container,
	.container-wide {
		max-width: 100% !important;
		width: 100% !important;
	}

	.card-modern {
		box-shadow: none !important;
		border: none !important;
	}

	a {
		color: #000000 !important;
		text-decoration: underline;
	}

	/* Keep code blocks readable on paper */
	pre, code {
		background: #f5f5f5 !important;
		color: #000000 !important;
		border-color: #cccccc !important;
	}

	pre {
		white-space: pre-wrap;
		word-wrap: break-word;
	}

	/* Avoid awkward page breaks */
	h1, h2, h3, h4 { page-break-after: avoid; }
	pre, blockquote, table, figure, img { page-break-inside: avoid; }
}

/* ========================================
   HEADING ANCHOR LINKS
   ======================================== */
.content h2,
.content h3,
.content h4 { position: relative; }

.heading-anchor {
	margin-left: 0.4rem;
	color: var(--text-muted);
	font-weight: 400;
	text-decoration: none;
	opacity: 0;
	transition: opacity 0.15s ease, color 0.15s ease;
}

.content h2:hover .heading-anchor,
.content h3:hover .heading-anchor,
.content h4:hover .heading-anchor,
.heading-anchor:focus { opacity: 0.55; }

.heading-anchor:hover { color: var(--accent); opacity: 1; text-decoration: none; }

@media (hover: none) { .heading-anchor { opacity: 0.4; } }

/* ========================================
   SHARE BUTTONS
   ======================================== */
.post-share {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
	margin-top: var(--space-lg);
	padding-top: var(--space-md);
	border-top: 1px solid var(--border-subtle);
}

.post-share-label {
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted);
	margin-right: 0.3rem;
}

.post-share-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.3rem 0.8rem;
	border: 1px solid var(--border-color);
	border-radius: 999px;
	background: transparent;
	color: var(--text-secondary);
	font-size: var(--font-size-xs);
	font-weight: 600;
	font-family: var(--font-sans);
	cursor: pointer;
	transition: all 0.2s ease;
}

.post-share-btn:hover,
.post-share-btn.is-copied {
	background: var(--accent);
	color: var(--accent-contrast);
	border-color: var(--accent);
	text-decoration: none;
}

.post-share-btn .bd-icon { margin-right: 0; }

/* Separate the comments widget from the share row so it doesn't feel cramped. */
.utterances { margin-top: var(--space-xl) !important; }

/* ========================================
   PREV / NEXT POST NAVIGATION
   ======================================== */
.post-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-sm);
	margin: var(--space-lg) 0 0;
}

.post-nav-item {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	padding: var(--space-sm) var(--space-md);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	background: var(--bg-surface);
	transition: border-color 0.2s ease, background 0.2s ease;
}

.post-nav-item:hover {
	background: var(--bg-hover);
	border-color: var(--text-muted);
}

.post-nav-newer { text-align: right; align-items: flex-end; }

.post-nav-label {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	color: var(--text-muted);
	font-size: var(--font-size-xs);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.post-nav-title {
	color: var(--text-primary);
	font-weight: 600;
	font-size: 0.95rem;
	line-height: 1.35;
}

.post-nav-empty {
	border: none;
	background: transparent;
	pointer-events: none;
}

@media (max-width: 575.98px) {
	.post-nav { grid-template-columns: 1fr; }
	.post-nav-empty { display: none; }
}

/* ========================================
   RELATED POSTS
   ======================================== */
.related-posts { margin: var(--space-xl) 0 var(--space-lg); }

.related-posts-title { font-size: 1.15rem; margin-bottom: var(--space-md); }

.related-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: var(--space-sm);
}

.related-card {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	background: var(--bg-surface);
	color: var(--text-primary);
	transition: all 0.2s ease;
}

.related-card:hover {
	border-color: var(--accent);
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
	text-decoration: none;
}

.related-cover {
	display: block;
	width: 100%;
	aspect-ratio: 16 / 9;
	background-size: cover;
	background-position: center;
	background-color: var(--bg-subtle);
}

.related-card-title {
	padding: 0.7rem 0.85rem;
	font-weight: 600;
	font-size: 0.95rem;
	line-height: 1.3;
}

/* ========================================
   CALLOUTS / ADMONITIONS  (> [!NOTE] etc.)
   ======================================== */
.callout {
	margin: var(--space-md) 0;
	padding: var(--space-sm) var(--space-md);
	border-left: 4px solid var(--cl-color, var(--accent));
	border-radius: var(--radius-sm);
	background: var(--cl-bg, var(--bg-subtle));
	color: var(--text-primary);
	font-style: normal;
}

.callout > :last-child { margin-bottom: 0; }

.callout-title {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	margin-bottom: 0.4rem;
	font-weight: 700;
	color: var(--cl-color, var(--accent));
}

.callout-icon { flex: 0 0 auto; }

.callout-note      { --cl-color: #3b82f6; --cl-bg: rgba(59, 130, 246, 0.08); }
.callout-tip       { --cl-color: #22c55e; --cl-bg: rgba(34, 197, 94, 0.08); }
.callout-important { --cl-color: #a855f7; --cl-bg: rgba(168, 85, 247, 0.08); }
.callout-warning   { --cl-color: #f59e0b; --cl-bg: rgba(245, 158, 11, 0.10); }
.callout-caution   { --cl-color: #ef4444; --cl-bg: rgba(239, 68, 68, 0.09); }

/* ========================================
   BREADCRUMBS
   ======================================== */
.breadcrumbs {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.35rem;
	margin-bottom: var(--space-sm);
	font-size: var(--font-size-sm);
	color: var(--text-muted);
}

.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs a:hover { color: var(--accent); text-decoration: none; }
.breadcrumb-sep { color: var(--text-muted); }
.breadcrumb-current {
	color: var(--text-muted);
	max-width: 50ch;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* ========================================
   CUSTOM 404
   ======================================== */
.page-404 .error-body {
	text-align: center;
	padding: var(--space-xl) var(--space-md);
}

.error-code {
	margin: 0;
	font-size: 5rem;
	font-weight: 800;
	line-height: 1;
	color: var(--accent);
}

.error-text { color: var(--text-secondary); margin-bottom: var(--space-lg); }
.error-search { max-width: 420px; margin: 0 auto var(--space-lg); }
.error-home { display: inline-flex; align-items: center; gap: 0.4rem; }

/* ========================================
   FIGURES (image + caption)
   ======================================== */
.content figure,
.content-figure {
	margin: var(--space-md) 0;
	text-align: center;
}

.content figcaption,
.content-figure figcaption {
	margin-top: 0.5rem;
	font-size: var(--font-size-sm);
	font-style: italic;
	color: var(--text-muted);
}

/* ========================================
   MOBILE TABLE OF CONTENTS (floating button + drawer)
   ======================================== */
.toc-fab {
	position: fixed;
	left: 1.5rem;
	bottom: 1.5rem;
	z-index: 1035;
	width: 44px;
	height: 44px;
	display: grid;
	place-items: center;
	border: none;
	border-radius: 50%;
	background: var(--accent);
	color: var(--accent-contrast);
	box-shadow: var(--shadow-md);
	cursor: pointer;
}

.toc-fab svg { display: block; }

.toc-drawer {
	position: fixed;
	inset: 0;
	z-index: 2000;
	display: flex;
	align-items: flex-end;
	background: rgba(0, 0, 0, 0.5);
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.2s ease, visibility 0s linear 0.2s;
}

.toc-drawer.is-open {
	opacity: 1;
	visibility: visible;
	transition: opacity 0.2s ease;
}

.toc-drawer-panel {
	width: 100%;
	max-height: 70vh;
	overflow-y: auto;
	padding: var(--space-lg);
	background: var(--bg-surface);
	border-top-left-radius: var(--radius-lg);
	border-top-right-radius: var(--radius-lg);
	transform: translateY(100%);
	transition: transform 0.25s ease;
}

.toc-drawer.is-open .toc-drawer-panel { transform: translateY(0); }

.toc-drawer-title {
	margin-bottom: var(--space-sm);
	font-size: var(--font-size-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted);
}

.toc-drawer .toc-list { list-style: none; padding: 0; margin: 0; }
.toc-drawer .toc-link { display: block; padding: 0.5rem 0; color: var(--text-secondary); }
.toc-drawer .toc-link:hover { color: var(--accent); text-decoration: none; }

/* The sidebar ToC covers desktop, so the floating button is mobile-only */
@media (min-width: 768px) {
	.toc-fab,
	.toc-drawer { display: none !important; }
}

/* ========================================
   SEARCH OVERLAY
   ======================================== */
.search-overlay {
	position: fixed;
	inset: 0;
	z-index: 2500;
	display: flex;
	justify-content: center;
	align-items: flex-start;
	padding: 12vh 1rem 1rem;
	background: rgba(0, 0, 0, 0.5);
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.15s ease, visibility 0s linear 0.15s;
}

.search-overlay.is-open {
	opacity: 1;
	visibility: visible;
	transition: opacity 0.15s ease;
}

.search-box {
	width: 100%;
	max-width: 560px;
	overflow: hidden;
	background: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
}

.search-field {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	padding: 0 1.1rem;
	border-bottom: 1px solid var(--border-color);
}

.search-icon { flex: 0 0 auto; color: var(--text-muted); }

.search-input {
	flex: 1;
	min-width: 0;
	padding: 0.95rem 0;
	border: none;
	background: transparent;
	color: var(--text-primary);
	font-family: var(--font-sans);
	font-size: 1.05rem;
	outline: none;
}

.search-input::placeholder { color: var(--text-muted); }

.search-hint {
	display: flex;
	align-items: center;
	gap: 0.25rem;
	padding: 0.5rem 1.1rem;
	border-top: 1px solid var(--border-subtle);
	font-size: var(--font-size-xs);
	color: var(--text-muted);
}

.search-hint kbd {
	padding: 0.05em 0.4em;
	font-family: var(--font-sans);
	font-size: 0.95em;
	color: var(--text-secondary);
	background: var(--bg-subtle);
	border: 1px solid var(--border-color);
	border-radius: 4px;
}

/* Navbar search button — hidden until JS reveals it (no on-page search in view) */
.nav-search { display: none; }
.nav-search.is-visible { display: block; }

.search-results {
	list-style: none;
	margin: 0;
	padding: 0.4rem;
	max-height: 50vh;
	overflow-y: auto;
}

.search-result a {
	display: flex;
	align-items: baseline;
	gap: 0.6rem;
	padding: 0.55rem 0.8rem;
	border-radius: var(--radius-sm);
	color: var(--text-primary);
}

.search-result a:hover,
.search-result.is-active a {
	background: var(--bg-hover);
	text-decoration: none;
}

.search-result-title { font-weight: 600; }
.search-result-meta {
	margin-left: auto;
	font-size: var(--font-size-xs);
	color: var(--text-muted);
	white-space: nowrap;
}

.search-empty { padding: 1rem 1.2rem; color: var(--text-muted); }

/* ========================================
   SERIES BOX
   ======================================== */
.series-box {
	margin: 0 0 var(--space-lg);
	padding: var(--space-sm) var(--space-md);
	border: 1px solid var(--border-color);
	border-left: 4px solid var(--accent);
	border-radius: var(--radius-sm);
	background: var(--bg-subtle);
}

.series-box-title {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	margin-bottom: 0.4rem;
	font-weight: 700;
	color: var(--text-primary);
}

.series-box-title .bd-icon { color: var(--accent); flex: 0 0 auto; }
.series-list { margin: 0; padding-left: 1.5rem; }
.series-item { padding: 0.12rem 0; color: var(--text-secondary); }
.series-item a { color: var(--text-secondary); }
.series-item a:hover { color: var(--accent); }
.series-item.is-current span { color: var(--accent); font-weight: 600; }

/* ========================================
   CONTENT EXTRAS (kbd, mark, task lists, footnotes, external links)
   ======================================== */
.content kbd {
	display: inline-block;
	padding: 0.1em 0.45em;
	font-family: var(--font-sans);
	font-size: 0.8em;
	line-height: 1.4;
	color: var(--text-primary);
	background: var(--bg-subtle);
	border: 1px solid var(--border-color);
	border-bottom-width: 2px;
	border-radius: 5px;
	white-space: nowrap;
}

.content mark {
	padding: 0.05em 0.2em;
	border-radius: 3px;
	background: rgba(245, 200, 66, 0.35);
	color: inherit;
}

/* Small ↗ after outbound links (JS adds target=_blank to external links) */
.content a[target="_blank"]::after {
	content: "↗";
	margin-left: 0.15em;
	font-size: 0.8em;
	color: var(--text-muted);
}

/* Task lists (- [ ] / - [x]) — rendered by JS into real checkboxes */
.content ul.task-list { list-style: none; padding-left: 0.2rem; }
.content .task-list-item { display: flex; align-items: flex-start; gap: 0.5rem; }
.content .task-list-item input[type="checkbox"] { margin-top: 0.35em; flex: 0 0 auto; }

/* Footnotes (when the parser emits them) */
.content .footnotes {
	margin-top: var(--space-lg);
	padding-top: var(--space-md);
	border-top: 1px solid var(--border-subtle);
	font-size: var(--font-size-sm);
	color: var(--text-secondary);
}

/* Definition lists */
.content dt { font-weight: 700; }
.content dd { margin: 0 0 0.6rem; color: var(--text-secondary); }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 767.98px) {
	h1.title { font-size: 1.9rem; }
	h2.title { font-size: 1.5rem; }

	body { font-size: 1rem; }

	.sidebar-container {
		position: static;
		margin-top: var(--space-lg);
	}

	.btn-primary-gradient {
		width: 100%;
		justify-content: center;
	}

	.navbar-nav .theme-toggle {
		width: 100%;
		margin-top: 0.5rem;
		height: 42px;
	}
}