/* Clean Blog Theme - Customizable CSS */

:root {
    /* Customize these variables to change the look */
    --color-bg: #fafafa;
    --color-text: #333;
    --color-text-light: #666;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-border: #e5e7eb;

    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: var(--font-body);
    --font-mono: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;

    --max-width: 720px;
    --spacing: 1.5rem;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-text: #e5e5e5;
        --color-text-light: #a3a3a3;
        --color-accent: #60a5fa;
        --color-accent-hover: #93c5fd;
        --color-border: #404040;
    }
}

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

/* Base */
html {
    font-size: 18px;
    line-height: 1.7;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
}

/* Header */
.site-header {
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.nav-links a {
    margin-left: 1.5rem;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.9rem;
}

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

/* Main content */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: calc(var(--spacing) * 2) var(--spacing);
}

/* Home page */
.intro {
    margin-bottom: calc(var(--spacing) * 2);
}

.intro h1 {
    margin: 0 0 0.5rem 0;
}

.intro p {
    color: var(--color-text-light);
    margin: 0;
}

/* Post list */
.post-summary {
    margin-bottom: calc(var(--spacing) * 1.5);
    padding-bottom: var(--spacing);
    border-bottom: 1px solid var(--color-border);
}

.post-summary h2,
.post-summary h3 {
    margin: 0 0 0.25rem 0;
}

.post-summary a {
    color: var(--color-text);
    text-decoration: none;
}

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

.post-summary time {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.post-summary p {
    margin: 0.5rem 0 0 0;
    color: var(--color-text-light);
}

.series-tag {
    display: inline-block;
    font-size: 0.75rem;
    background: var(--color-accent);
    color: white;
    padding: 0.1rem 0.5rem;
    border-radius: 3px;
    margin-top: 0.5rem;
}

/* Single post */
.post-header {
    margin-bottom: calc(var(--spacing) * 2);
}

.post-header h1 {
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.post-meta {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.post-meta .series {
    margin-left: 1rem;
}

/* Post content */
.post-content {
    margin-bottom: calc(var(--spacing) * 2);
}

.post-content h2 {
    margin-top: calc(var(--spacing) * 2);
}

.post-content h3 {
    margin-top: calc(var(--spacing) * 1.5);
}

.post-content a {
    color: var(--color-accent);
}

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

.post-content blockquote {
    margin: var(--spacing) 0;
    padding-left: var(--spacing);
    border-left: 3px solid var(--color-accent);
    color: var(--color-text-light);
    font-style: italic;
}

.post-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: var(--spacing);
    border-radius: 5px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.post-content ul, .post-content ol {
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

/* Post footer */
.post-footer {
    padding-top: var(--spacing);
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.tags a {
    color: var(--color-accent);
    margin-right: 0.5rem;
}

.canonical-notice {
    margin-top: var(--spacing);
    padding: var(--spacing);
    background: var(--color-border);
    border-radius: 5px;
    font-size: 0.85rem;
}

.syndication-badge {
    display: inline-block;
    background: var(--color-text-light);
    color: var(--color-bg);
    padding: 0.1rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

/* Post navigation */
.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: calc(var(--spacing) * 2);
    padding-top: var(--spacing);
    border-top: 1px solid var(--color-border);
}

.post-navigation a {
    color: var(--color-accent);
    text-decoration: none;
    max-width: 45%;
}

.post-navigation a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: calc(var(--spacing) * 2) var(--spacing);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 0.85rem;
}

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

/* Responsive */
@media (max-width: 600px) {
    html {
        font-size: 16px;
    }

    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        margin-top: 0.5rem;
    }

    .nav-links a {
        margin-left: 0;
        margin-right: 1rem;
    }
}