/* CSS Custom Properties */
:root {
	/* Light theme colors */
	--color-primary: #0061a6;
	--color-primary-hover: #004373;
	--color-border: #663399;
	--color-callout: #1e90ff;
	--color-text: #0d0d0d;
	--color-text-muted: #737373;
	--color-text-meta: #999999;
	--color-background: #f2f2f2;
	--color-background-code: #f1f1f1;
	--color-background-pre: #f2f2f2;
	--color-background-toc: #ececec;
	--color-background-draft: #f9f2f4;

	/* Dark theme colors */
	--color-primary-dark: #73b6e6;
	--color-primary-hover-dark: #6097bf;
	--color-border-dark: #0066ff;
	--color-text-dark: #f2f2f2;
	--color-text-muted-dark: #dddddd;
	--color-background-dark: #0d0d0d;
	--color-background-code-dark: #333333;
	--color-background-pre-dark: #0d0d0d;
	--color-background-toc-dark: #272822;
	--color-background-draft-dark: #0066ff;
}
/* Reset and base styles */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	color: var(--color-text, #232333);
	font-family: "Berkeley Mono", "Courier New", monospace;
	font-size: var(--font-size-base, 15px);
	line-height: var(--line-height-base, 1.6);
	scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}

body {
	margin: 8px;
	background-color: var(--color-background, #ffffff);
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
}

* {
	-webkit-tap-highlight-color: transparent;
}

/* Selection styles */
::selection {
	background: var(--color-primary, #dc143c);
	color: #ffffff;
}

::-moz-selection {
	background: var(--color-primary, #dc143c);
	color: #ffffff;
}

/* Typography */
p {
	font-family:
		"Fira Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	line-height: var(--line-height-content, 1.5);
	/* Fallback for older browsers */
	margin-top: 0.5em;
	margin-bottom: 0.5em;
}

@supports (margin-block: 0.5em) {
	p {
		margin-top: unset;
		margin-bottom: unset;
		margin-block: 0.5em;
	}
}

hr {
	border: 0;
	/* Fallback for older browsers */
	border-top: 3px dotted var(--color-border, #663399);
	margin-top: 1em;
	margin-bottom: 1em;
}

@supports (border-block-start: 3px dotted var(--color-border, #663399)) {
	hr {
		border-top: unset;
		margin-top: unset;
		margin-bottom: unset;
		border-block-start: 3px dotted var(--color-border, #663399);
		margin-block: 1em;
	}
}

blockquote {
	/* Fallback for older browsers */
	border-left: 3px solid var(--color-border, #663399);
	padding-left: 1em;
	color: var(--color-text-muted, #737373);
	margin: 0;
	font-style: italic;
}

@supports (border-inline-start: 3px solid var(--color-border, #663399)) {
	blockquote {
		border-left: unset;
		padding-left: unset;
		border-inline-start: 3px solid var(--color-border, #663399);
		padding-inline-start: 1em;
	}
}

/* Links */
a {
	/* Fallback for older browsers */
	border-bottom: 3px solid var(--color-primary, #dc143c);
	/* Modern logical properties */
	border-block-end: 3px solid var(--color-primary, #dc143c);
	color: inherit;
	text-decoration: none;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
}

a:hover,
a:focus {
	background-color: var(--color-primary-hover, #b91c3c);
	color: #ffffff;
	outline: 2px solid var(--color-primary, #dc143c);
	outline-offset: 2px;
}

a:focus {
	outline-style: solid;
}

/* Lists */
ul {
	list-style: none;
	/* Fallback for older browsers */
	padding-left: 2ch;
	/* Modern logical properties */
	padding-inline-start: 2ch;
}

ul li {
	text-indent: -2ch;
}

ul > li::before {
	content: "* ";
	font-weight: bold;
	color: var(--color-primary, #dc143c);
}

/* Images */
img {
	border: 3px solid var(--color-background-pre, #ececec);
	/* Fallback for older browsers */
	max-width: 100%;
	height: auto;
	/* Modern logical properties */
	max-inline-size: 100%;
	block-size: auto;
	border-radius: var(--border-radius, 5px);
}

figure {
	display: inline-block;
	margin: 0;
	/* Fallback for older browsers */
	max-width: 100%;
	/* Modern logical properties */
	max-inline-size: 100%;
}

figure img {
	/* Fallback for older browsers */
	max-height: 500px;
	/* Modern logical properties */
	max-block-size: 500px;
}

@media screen and (min-width: 37.5em) {
	figure {
		/* Fallback for older browsers */
		padding-left: 2.5rem;
		padding-right: 2.5rem;
		/* Modern logical properties */
		padding-inline: 2.5rem;
	}
}

figure h4 {
	font-size: 1rem;
	margin: 0;
	/* Fallback for older browsers */
	margin-bottom: 1em;
	/* Modern logical properties */
	margin-block-end: 1em;
}

figure h4::before {
	content: "↳ ";
	color: var(--color-primary, #dc143c);
}

/* Code blocks */
code {
	background-color: var(--color-background-code, #f1f1f1);
	padding: 0.1em 0.2em;
	border-radius: 3px;
	font-size: 0.9em;
}

pre {
	background-color: var(--color-background-pre, #ececec);
	line-height: 1.4;
	overflow-x: auto;
	padding: 1em;
	border-radius: var(--border-radius, 5px);
	border: 1px solid var(--color-border, #663399);
}

.highlight pre ::selection {
	background: rgba(255, 255, 255, 0.2);
	color: inherit;
}

pre code {
	background-color: transparent;
	color: inherit;
	font-size: 100%;
	padding: 0;
}

/* Layout containers */
.content {
	/* Fallback for older browsers */
	margin-bottom: 4em;
	margin-left: auto;
	margin-right: auto;
	max-width: var(--content-max-width, 800px);
	padding-left: var(--content-padding, 1ch);
	padding-right: var(--content-padding, 1ch);
	/* Modern logical properties */
	margin-block-end: 4em;
	margin-inline: auto;
	max-inline-size: var(--content-max-width, 800px);
	padding-inline: var(--content-padding, 1ch);
	word-wrap: break-word;
	overflow-wrap: break-word;
}

/* Header */
header {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	/* Fallback for older browsers */
	margin-top: 1em;
	margin-bottom: 1em;
	/* Modern logical properties */
	margin-block: 1em;
	line-height: 2.5em;
	gap: 1rem;
}

header .main {
	font-size: 1.5rem;
	font-weight: bold;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
	font-size: 1.2rem;
	/* Fallback for older browsers */
	margin-top: 2em;
	margin-bottom: 0.5em;
	/* Modern logical properties */
	margin-block-start: 2em;
	margin-block-end: 0.5em;
	line-height: 1.2;
}

h1::before {
	color: var(--color-primary, #dc143c);
	content: "# ";
}
h2::before {
	color: var(--color-primary, #dc143c);
	content: "## ";
}
h3::before {
	color: var(--color-primary, #dc143c);
	content: "### ";
}
h4::before {
	color: var(--color-primary, #dc143c);
	content: "#### ";
}
h5::before {
	color: var(--color-primary, #dc143c);
	content: "##### ";
}
h6::before {
	color: var(--color-primary, #dc143c);
	content: "###### ";
}

.meta {
	color: var(--color-text-meta, #999999);
	letter-spacing: -0.5px;
	font-size: 0.9em;
}

/* Post layout */
.post-container {
	/* Flexbox fallback for older browsers */
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem;
	align-items: flex-start;
}

@supports (display: grid) {
	.post-container {
		display: grid;
		grid-template-columns: 1fr;
	}
}

@media screen and (min-width: 60em) {
	.post-container {
		/* Flexbox fallback */
		flex-wrap: nowrap;
	}

	@supports (display: grid) {
		.post-container {
			grid-template-columns: 1fr auto;
		}
	}
}

.post-content {
	/* Flexbox fallback */
	flex: 1;
	min-width: 0;
	/* Modern properties */
	min-inline-size: 0;
	overflow-wrap: break-word;
}

.toc {
	background-color: var(--color-background-toc, #ececec);
	border-radius: var(--border-radius, 5px);
	color: var(--color-text, #232333);
	/* Fallback for older browsers */
	max-width: 18.75rem;
	/* Flexbox fallback */
	flex: 0 0 auto;
	/* Modern properties */
	max-inline-size: 18.75rem;
	overflow-y: auto;
	padding: 0.75rem;
	border: 1px solid var(--color-border, #663399);
}

@media screen and (min-width: 60em) {
	.toc {
		position: sticky;
		/* Fallback for older browsers */
		top: 1.25rem;
		/* Modern logical properties */
		inset-block-start: 1.25rem;
	}
}

@media screen and (max-width: 59.99em) {
	.toc {
		/* Fallback for older browsers */
		margin-bottom: 1.5rem;
		/* Modern logical properties */
		margin-block-end: 1.5rem;
		order: -1;
	}
}

/* Footer */
footer {
	display: flex;
	align-items: center;
	/* Fallback for older browsers */
	border-top: 0.4rem dotted var(--color-border, #663399);
	padding-top: 2rem;
	padding-bottom: 2rem;
	margin-top: 2rem;
	/* Modern logical properties */
	border-block-start: 0.4rem dotted var(--color-border, #663399);
	padding-block: 2rem;
	margin-block-start: 2rem;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.soc {
	display: flex;
	align-items: center;
	/* Fallback for older browsers */
	border-bottom: none;
	/* Modern logical properties */
	border-block-end: none;
	transition: color 0.2s ease;
}

.soc:hover,
.soc:focus {
	color: var(--color-primary, #dc143c);
	outline: 2px solid var(--color-primary, #dc143c);
	outline-offset: 2px;
}

.border {
	margin-inline: 0.5rem;
	border: 1px solid var(--color-border, #663399);
}

/* Common elements */
.title h1 {
	/* Fallback for older browsers */
	margin-bottom: 0;
	/* Modern logical properties */
	margin-block-end: 0;
}

time {
	color: var(--color-text-muted, #737373);
	font-size: 0.9em;
}

/* Posts */
article .title {
	/* Fallback for older browsers */
	margin-bottom: 1em;
	/* Modern logical properties */
	margin-block-end: 1em;
}

/* Callouts */
.callout {
	background-color: var(--color-callout, #1e90ff);
	color: #ffffff;
	padding: 1em;
	border-radius: var(--border-radius, 5px);
	/* Fallback for older browsers */
	margin-top: 1em;
	margin-bottom: 1em;
	/* Modern logical properties */
	margin-block: 1em;
}

.callout p {
	font-family: "Berkeley Mono", "Courier New", monospace;
	margin: 0;
}

.callout a {
	/* Fallback for older browsers */
	border-bottom: 3px solid #ffffff;
	/* Modern logical properties */
	border-block-end: 3px solid #ffffff;
	color: inherit;
}

.callout a:hover,
.callout a:focus {
	background-color: #ffffff;
	color: var(--color-callout, #1e90ff);
}

/* Callout variants */
.callout-alert {
	color: #721c24;
	background-color: #f8d7da;
	border: 3px solid #f5c2c7;
}

.callout-tip {
	color: #055160;
	background-color: #d1ecf1;
	border: 3px solid #b8daff;
}

.callout-warning {
	color: #664d03;
	background-color: #fff3cd;
	border: 3px solid #ffecb5;
}

.callout-custom {
	/* Custom styles will be applied inline */
	color: inherit;
}

/* Site and content elements */
.site-description {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 1rem;
}

/* Tags */
.tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	list-style: none;
	padding: 0;
}

.tags li::before {
	content: "🏷 ";
}

.tags a {
	/* Fallback for older browsers */
	border-bottom: 3px solid var(--color-primary, #dc143c);
	/* Modern logical properties */
	border-block-end: 3px solid var(--color-primary, #dc143c);
	padding: 0.25rem 0.5rem;
	border-radius: 3px;
	transition: all 0.2s ease;
}

.tags a:hover,
.tags a:focus {
	color: #ffffff;
	background-color: var(--color-primary-hover, #b91c3c);
}

/* Icons and media */
svg {
	/* Fallback for older browsers */
	max-height: 1rem;
	max-width: 1rem;
	/* Modern logical properties */
	max-block-size: 1rem;
	max-inline-size: 1rem;
}

.feather {
	/* Fallback for older browsers */
	width: 1.5rem;
	height: 1.5rem;
	/* Modern logical properties */
	inline-size: 1.5rem;
	block-size: 1.5rem;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
	fill: none;
	display: inline-block;
	vertical-align: middle;
}

/* Draft label */
.draft-label {
	color: var(--color-border, #663399);
	text-decoration: none;
	padding: 0.125rem 0.25rem;
	border-radius: 4px;
	/* Fallback for older browsers */
	margin-left: 0.375rem;
	/* Modern logical properties */
	margin-inline-start: 0.375rem;
	background-color: var(--color-background-draft, #f9f2f4);
	font-size: 0.8em;
	font-weight: bold;
}
/* Code highlighting */
.highlight {
	position: relative;
	-webkit-overflow-scrolling: touch;
	border-radius: var(--border-radius, 5px);
	overflow: hidden;
}
/* Code language badges */
.highlight pre code[class*="language-"] {
	-webkit-overflow-scrolling: touch;
}

.highlight pre code[class*="language-"]::before {
	background: #000000;
	border-radius: 0 0 0.25rem 0.25rem;
	color: #ffffff;
	font-size: 0.75rem;
	font-weight: bold;
	letter-spacing: 0.025rem;
	padding: 0.1rem 0.5rem;
	position: absolute;
	/* Fallback for older browsers */
	right: 1rem;
	top: 0;
	/* Modern logical properties */
	inset-inline-end: 1rem;
	inset-block-start: 0;
	text-align: right;
	text-transform: uppercase;
}

/* Language-specific badges */
.highlight pre code[class*="language-js"]::before,
.highlight pre code[class="language-javascript"]::before {
	content: "js";
	background: #f7df1e;
	color: #000000;
}

.highlight pre code[class*="language-ts"]::before {
	content: "ts";
	background: #3178c6;
	color: #ffffff;
}

.highlight pre code[class*="language-py"]::before,
.highlight pre code[class*="language-python"]::before {
	content: "python";
	background: #3776ab;
	color: #ffffff;
}

.highlight pre code[class*="language-go"]::before {
	content: "go";
	background: #00add8;
	color: #ffffff;
}

.highlight pre code[class*="language-css"]::before {
	content: "css";
	background: #1572b6;
	color: #ffffff;
}

.highlight pre code[class*="language-html"]::before {
	content: "html";
	background: #e34f26;
	color: #ffffff;
}

.highlight pre code[class*="language-json"]::before {
	content: "json";
	background: #000000;
	color: #ffffff;
}

.highlight pre code[class*="language-yml"]::before,
.highlight pre code[class*="language-yaml"]::before {
	content: "yaml";
	background: #cc1018;
	color: #ffffff;
}

.highlight pre code[class*="language-shell"]::before,
.highlight pre code[class*="language-bash"]::before,
.highlight pre code[class*="language-sh"]::before {
	content: "shell";
	background: #4eaa25;
	color: #ffffff;
}

.highlight pre code[class*="language-md"]::before,
.highlight pre code[class*="language-markdown"]::before {
	content: "markdown";
	background: #083fa1;
	color: #ffffff;
}

/* Tables */
table {
	border-spacing: 0;
	border-collapse: collapse;
	/* Fallback for older browsers */
	width: 100%;
	margin-top: 1rem;
	margin-bottom: 1rem;
	/* Modern logical properties */
	inline-size: 100%;
	margin-block: 1rem;
	border-radius: var(--border-radius, 5px);
	overflow: hidden;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

table th {
	padding: 0.75rem;
	border: 1px solid var(--color-border, #663399);
	font-weight: bold;
	background-color: var(--color-background-pre, #ececec);
	text-align: start;
}

table td {
	padding: 0.75rem;
	border: 1px solid var(--color-border, #663399);
}

table tr:nth-child(even) {
	background-color: var(--color-background-code, #f1f1f1);
}

/* Navigation and theme toggle */
nav {
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
}

.nav-toggle {
	/* Reset button styles */
	appearance: none;
	-webkit-appearance: none;
	-moz-appearance: none;
	border: none;
	background: none;
	margin: 0;
	font: inherit;
	cursor: pointer;

	/* Custom styling */
	padding: 0.5rem;
	border-radius: 4px;
	transition: all 0.2s ease;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.nav-toggle {
	/* Ensure icon is always visible */
	color: var(--color-text, #232333);
}

.nav-toggle:hover,
.nav-toggle:focus {
	background-color: var(--color-primary, #dc143c);
	color: #ffffff;
	outline: 2px solid var(--color-primary, #dc143c);
	outline-offset: 2px;
}

.nav-toggle:focus {
	outline-style: solid;
}

.nav-toggle:active {
	transform: scale(0.95);
}

/* Media queries for responsive design */
@media (max-width: 37.4em) {
	.content {
		/* Fallback for older browsers */
		padding-left: 0.5rem;
		padding-right: 0.5rem;
		/* Modern logical properties */
		padding-inline: 0.5rem;
	}

	header {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.5rem;
	}

	.site-description {
		flex-direction: column;
		align-items: flex-start;
	}
}