/* Base reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: #111827;
    background-color: #ffffff;
}

/* Layout */
.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Article layout */
.article {
    padding: 2rem 0 3rem;
}

.article-header {
    margin-bottom: 1.5rem;
}

.article-category {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.article-title {
    font-size: 2.3rem;
    line-height: 1.1;
    margin: 0 0 0.5rem;
}

.article-subtitle {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    color: #4b5563;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #6b7280;
}

/* Hero image */
.article-hero {
    margin: 1.5rem 0 2rem;
}

.article-hero img {
    width: 100%;
    height: auto;
    border-radius: 0.75rem;
}

.article-hero figcaption {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #6b7280;
}

/* Article content */
.article-content h2 {
    margin-top: 2.25rem;
    margin-bottom: 0.75rem;
    font-size: 1.6rem;
}

.article-content h3 {
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.article-content p {
    margin: 0 0 1rem;
    font-size: 1rem;
}

.article-content a {
    color: #2563eb;
    text-decoration: underline;
    text-decoration-thickness: 1px;
}

.article-content a:hover {
    text-decoration-thickness: 2px;
}

/* Code blocks and inline code */
code {
    font-family: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9em;
    background-color: #f3f4f6;
    padding: 0.1em 0.3em;
    border-radius: 0.25rem;
}

pre {
    margin: 1.25rem 0;
    padding: 1rem 1.25rem;
    background-color: #0b1020;
    color: #e5e7eb;
    border-radius: 0.75rem;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.5;
}

pre code {
    background: none;
    padding: 0;
}

/* Optional caption below code blocks */
.code-caption {
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: -0.5rem;
    margin-bottom: 1.25rem;
}

/* Embeds */
.embed {
    margin: 1.5rem 0;
}

.embed-video {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 0.75rem;
    background-color: #000;
}

.embed-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Link preview card */
.link-card {
    margin: 1.5rem 0;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    background-color: #f9fafb;
    overflow: hidden;
}

.link-card-main {
    display: block;
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: inherit;
}

.link-card-main:hover {
    background-color: #f3f4f6;
}

.link-card-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.link-card-description {
    font-size: 0.95rem;
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.link-card-domain {
    font-size: 0.85rem;
    color: #6b7280;
}

/* Gist wrapper */
.embed-gist {
    margin: 1.5rem 0;
}

/* Article footer */
.article-footer {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
    font-size: 0.9rem;
    color: #6b7280;
}

.article-footer a {
    color: #4b5563;
    text-decoration: none;
}

.article-footer a:hover {
    text-decoration: underline;
}

.article-footer-copy {
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 640px) {
    .article-title {
        font-size: 1.9rem;
    }
}