:root {
    --width: 42rem;
    --font-main: 'Merriweather', 'Georgia', serif;
    --font-heading: 'Montserrat', sans-serif;
    --font-scale: 1em;
    --background-color: #f0efef;
    --heading-color: #000;
    --text-color: #000;
    --link-color: #007acc;
    --visited-color: #007acc;
    --code-background-color: #f6f8fa;
    --code-color: #1f2933;
    --code-border: #e1e4e8;
    --blockquote-color: #2f4f4f;
    --muted-color: rgba(0,0,0,0.6);
    --hr-color: rgba(0,0,0,0.2);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #222;
        --heading-color: #eee;
        --text-color: #d3d3d3;
        --link-color: #add8e6;
        --visited-color: #add8e6;
        --code-background-color: #1e1e1e;
        --code-color: #f5f5f5;
        --code-border: #3a3a3a;
        --blockquote-color: grey;
        --muted-color: hsla(0,0%,100%,0.7);
        --hr-color: rgba(255,255,255,0.15);
    }
}

body {
    font-family: var(--font-main);
    font-size: var(--font-scale);
    line-height: 1.75;
    margin: 0 auto;
    padding: 2.625rem 1.3125rem;
    max-width: var(--width);
    text-align: left;
    background-color: var(--background-color);
    color: var(--text-color);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Headings */
h1 {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2rem;
    line-height: 1.2;
    margin: 0 0 1.5rem;
    color: var(--heading-color);
}

h2 {
    font-family: var(--font-main);
    font-weight: 900;
    font-size: 1.5rem;
    line-height: 1.2;
    margin: 1.5rem 0 1rem;
    color: var(--heading-color);
}

h3 {
    font-family: var(--font-main);
    font-weight: 900;
    font-size: 1.25rem;
    line-height: 1.2;
    margin: 1.5rem 0 0.35rem;
    color: var(--heading-color);
}

/* Header */
header h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

header h1 a {
    box-shadow: none;
    color: inherit;
}

header h1 a:hover {
    box-shadow: none;
}

/* Nav */
header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin-bottom: 0;
}

header nav p {
    margin: 0 0 0.5rem;
}

header nav a {
    margin-right: 0;
    font-size: 1rem;
}

header nav a + a::before {
    content: " │ ";
    color: var(--text-color);
}

/* Links */
a {
    color: var(--link-color);
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 1px 0 0 currentColor;
}

a:hover {
    box-shadow: none;
}

.title:hover {
    text-decoration: none;
}

/* Strong */
strong, b {
    color: var(--heading-color);
}

/* Main content */
main {
    line-height: 1.75;
}

/* Post meta (date + tags) */
.post-meta {
    color: var(--muted-color);
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0 0 0.5rem;
}

.post-meta a {
    box-shadow: none;
}

.post-meta a:hover {
    box-shadow: 0 1px 0 0 currentColor;
}

/* Blog post list */
ul.blog-posts {
    list-style-type: none;
    padding: unset;
}

ul.blog-posts li {
    display: flex;
    gap: 0;
    margin-bottom: 0;
}

ul.blog-posts li span {
    flex: 0 0 130px;
}

ul.blog-posts li a {
    box-shadow: none;
}

ul.blog-posts li a:hover {
    box-shadow: 0 1px 0 0 currentColor;
}

/* HR */
hr {
    border: 0;
    height: 1px;
    background: var(--hr-color);
    margin: 1.75rem 0;
}

/* Images */
img {
    max-width: 100%;
}

/* Code */
code {
    font-family: monospace;
    font-size: 0.95em;
    padding: 0.15em 0.4em;
    background-color: var(--code-background-color);
    color: var(--code-color);
    border: 1px solid var(--code-border);
    border-radius: 4px;
}

pre {
    background: var(--code-background-color);
    border: 1px solid var(--code-border);
    border-radius: 6px;
    color: var(--code-color);
    font-size: 0.95rem;
    line-height: 1.55;
    overflow-x: auto;
    padding: 0.85rem 1.1rem;
    margin: 0 0 1.75rem;
}

pre code {
    background: transparent;
    border: 0;
    color: inherit;
    padding: 0;
}

/* Blockquote */
blockquote {
    border-left: 0.32813rem solid var(--heading-color);
    color: var(--blockquote-color);
    padding-left: 1.42188rem;
    font-size: 1rem;
    font-style: italic;
    margin: 0 0 1.75rem;
}

/* Lists */
ul, ol {
    margin: 0 0 1.75rem;
    padding-left: 1.75rem;
}

li {
    margin-bottom: calc(1.75rem / 2);
}

/* Footer */
footer {
    padding: 25px 0;
    text-align: center;
}

/* Search */
input[type="search"] {
    box-sizing: border-box;
    width: 100%;
    font: inherit;
    padding: 0.5rem 0.75rem;
    border: 1px solid #bdbdbd;
    border-radius: 5px;
    background: var(--background-color);
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 1.3125rem;
    }
    header h1 {
        font-size: 1.6rem;
        line-height: 1.3;
    }
}

/* Search */
.search-container {
    margin: 0 0 1.75rem;
}
.site-search input {
    width: 100%;
    font-size: 1rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #bdbdbd;
    border-radius: 5px;
    font-family: inherit;
    background: var(--background-color);
    color: var(--text-color);
    box-sizing: border-box;
}
.site-search input:focus {
    outline: 2px solid var(--link-color);
    outline-offset: 2px;
}
@media (prefers-color-scheme: dark) {
    .site-search input {
        background: #1e1e1e;
        border-color: #3d3d3d;
        color: #d3d3d3;
    }
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scroll to top button */
#top-btn {
    display: none;
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.2rem;
    border: 1px solid var(--text-color);
    border-radius: 50%;
    background: var(--background-color);
    color: var(--text-color);
    cursor: pointer;
    opacity: 0.8;
    z-index: 100;
}
#top-btn:hover {
    opacity: 1;
}