@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Newsreader:wght@400;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors from your old site */
    --color-cream: #F6F5F1;
    --color-light-cream: #FCFBF7;
    --color-black: #353534;
    --color-gray-800: #4A4A46;
    --color-gray-600: #73706D;
    --color-gray-500: #8E8F94;
    --color-gray-300: #D3D3D1;
    --color-crimson: #5F023E;
    --color-mustard: #e1ad01;

    /* Using your original colors */
    --bg: var(--color-cream);
    --fg: var(--color-black);
    --border: var(--color-black);
    --content-bg: var(--color-light-cream);
    --link-color: var(--color-crimson);
    --accent: var(--color-mustard);
}

body {
    font-family: 'Newsreader', serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--fg);
    background: var(--bg);
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

main {
    background: var(--content-bg);
    border: 3px solid var(--border);
    padding: 24px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    margin-bottom: 16px;
}

h1 {
    font-size: 32px;
    margin-bottom: 12px;
    font-weight: 700;
}

h2 {
    font-size: 20px;
    margin-top: 24px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h3, h4 {
    font-size: 18px;
    font-weight: 600;
}

p {
    margin-bottom: 12px;
}

a {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px solid var(--link-color);
}

a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Intro section */
.intro {
    padding-bottom: 24px;
    border-bottom: 3px solid var(--border);
    margin-bottom: 24px;
}

.intro .header-with-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.intro .logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.intro h1 {
    margin-bottom: 0;
}

.intro .links {
    margin-top: 12px;
    font-size: 14px;
}

.intro .links a {
    margin-right: 16px;
}

/* Posts section */
.posts ul {
    list-style: none;
}

.posts li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 6px 0;
    gap: 16px;
}

.posts li a {
    flex: 1;
}

.posts .date {
    font-size: 12px;
    opacity: 0.7;
    white-space: nowrap;
}

/* Article page */
article {
    background: var(--content-bg);
    border: 3px solid var(--border);
    padding: 24px;
}

article header {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

article time {
    font-size: 12px;
    opacity: 0.7;
}

.content {
    margin-bottom: 32px;
}

.content pre {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 12px;
    overflow-x: auto;
    margin: 16px 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
}

.content code {
    font-family: 'JetBrains Mono', monospace;
    background: var(--color-gray-300);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 14px;
}

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

/* KaTeX math rendering */
.katex {
    font-size: 1.1em;
}

.katex-display {
    margin: 1.5em 0;
    overflow-x: auto;
    overflow-y: hidden;
}

.content ul, .content ol {
    margin-left: 24px;
    margin-bottom: 12px;
}

.content li {
    margin-bottom: 6px;
}

.post-nav {
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 640px) {
    body {
        padding: 12px;
    }

    main, article {
        padding: 16px;
    }

    .posts li {
        flex-direction: column;
        gap: 4px;
    }
}