/* Design principles: Personal, craft-focused, timeless */

:root {
    /* Colors - warm, muted, like old paper */
    --bg: #fafaf8;
    --text: #1a1a1a;
    --text-light: #5a5a5a;
    --accent: #c94e2b;
    --border: #e5e5e0;
    
    /* Typography */
    --font-body: 'Iowan Old Style', 'Palatino Linotype', 'Palatino', 'Book Antiqua', Georgia, serif;
    --font-mono: 'Berkeley Mono', 'IBM Plex Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
}

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

html {
    font-size: 18px;
    line-height: 1.6;
}

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-md);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--space-sm) 0;
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

nav .home {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: var(--text);
}

nav .nav-links {
    display: flex;
    gap: var(--space-md);
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

nav .social-icon {
    display: flex;
    align-items: center;
    border-bottom: none;
}

nav .social-icon svg {
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

nav .social-icon:hover svg {
    opacity: 1;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: 2rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.5rem;
    letter-spacing: -0.015em;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

h3 {
    font-size: 1.2rem;
    letter-spacing: -0.01em;
}

a.permalink {
    color: var(--text);
    border-bottom: none;
}

a.permalink:hover {
    border-bottom: none;
}

a.permalink h2,
a.permalink h3,
a.permalink h4 {
    position: relative;
}

a.permalink h2::before,
a.permalink h3::before,
a.permalink h4::before {
    content: "#";
    position: absolute;
    right: 100%;
    padding-right: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

a.permalink:hover h2::before,
a.permalink:hover h3::before,
a.permalink:hover h4::before {
    opacity: 1;
}

p {
    margin-bottom: var(--space-sm);
}

a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

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

/* Layout sections */
main {
    position: relative;
    margin-bottom: var(--space-xl);
}

.intro {
    margin-bottom: var(--space-md);
}

.intro p {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
}

section {
    margin-bottom: var(--space-xl);
}

blockquote {
    padding-left: var(--space-sm);
    border-left: 2px solid var(--accent);
}

/* Post previews */
.post-preview {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

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

.post-preview time {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.post-preview h3 {
    margin-bottom: var(--space-xs);
}

.post-preview h3 a {
    color: var(--text);
    border-bottom: none;
}

.post-preview h3 a:hover {
    color: var(--accent);
}

/* Projects */
.project {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--border);
    background: white;
}

.project h3 {
    margin-bottom: var(--space-xs);
}

.project h3 a {
    color: var(--text);
    border-bottom: none;
}

.project h3 a:hover {
    color: var(--accent);
}

.project p {
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.play-link {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
}

/* Footer */
footer {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-light);
}

footer a {
    color: var(--text-light);
}

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

/* Code blocks (for blog posts) */
code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: #f5f5f0;
    padding: 0.15em 0.3em;
    border-radius: 2px;
}

pre {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: #f5f5f0;
    padding: var(--space-sm);
    border-radius: 3px;
    overflow-x: auto;
    margin: var(--space-md) 0;
    border-left: 3px solid var(--accent);
}

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

p.center {
    text-align: center;
}

li {
    margin-left: var(--space-sm);
}

ul { margin-bottom: var(--space-sm); }
ol { margin-bottom: var(--space-sm); }

img {
    display: block;
    margin: var(--space-sm) auto;
    border: thin solid var(--accent);
}

.thumbnail {
    width: 100%;
    cursor: zoom-in;
}

.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-width: 95vw;
    max-height: 95vh;
    border: none;
}

.pedantry {
    float: right;
    clear: right;
    width: 180px;
    margin-right: -200px;
    margin-left: var(--space-sm);
    margin-bottom: var(--space-xs);
    font-size: 0.8rem;
    line-height: 1.4;
}

.pedantry summary {
    cursor: pointer;
    list-style: none;
    font-size: 1.2rem;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.pedantry summary:hover,
.pedantry[open] summary {
    opacity: 1;
}

.pedantry summary::-webkit-details-marker {
    display: none;
}

.pedantry-content {
    display: none;
}

.pedantry[open] .pedantry-content {
    display: block;
    margin-top: var(--space-xs);
    color: var(--text-light);
}          

/* Responsive */
@media (max-width: 640px) {
    html {
        font-size: 16px;
    }

    body {
        padding: var(--space-sm);
    }

    nav {
        flex-direction: column;
        gap: var(--space-sm);
    }

    nav .nav-links {
        gap: var(--space-sm);
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.35rem;
    }

    .pedantry {
        float: none;
        width: auto;
        margin: var(--space-sm) 0;
        font-size: 0.9rem;
    }

    .pedantry[open] .pedantry-content {
        padding: var(--space-sm);
        background: #f5f5f0;
        border-left: 3px solid var(--text-light);
        border-radius: 3px;
    }
}