:root {
    --primary: #2563eb;
    --bg: #0a0a0a;
    --text: #e5e5e5;
    --muted: #a3a3a3;
    --card-bg: #171717;
    --border: #262626;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.5rem;
}

header ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

header ul a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

header ul a:hover {
    color: var(--primary);
}

.hero {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.post-preview {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

.post-preview h3 a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.3rem;
}

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

.post-preview time {
    color: var(--muted);
    font-size: 0.9rem;
}

.post-preview p {
    margin: 0.5rem 0;
    color: var(--muted);
}

.tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.category {
    background: var(--primary);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    text-decoration: none;
}

.tag {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.tag:hover {
    color: var(--primary);
}

article.post header {
    border: none;
    padding: 0;
    margin-bottom: 2rem;
}

article.post h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.post-meta {
    display: flex;
    gap: 1rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.coffee {
    color: #8b4513;
}

.content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.content h2 {
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.content h3 {
    margin: 1.5rem 0 0.5rem;
    font-size: 1.4rem;
}

.content p {
    margin: 1rem 0;
}

.content code {
    background: var(--card-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

.content pre {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
}

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

footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted);
}