:root {
    --bg: #f4efe6;
    --surface: #faf7f2;
    --border: #d4cbbf;
    --text: #3b3228;
    --text-muted: #8a7e6f;
    --primary: #6b4c2a;
    --primary-hover: #573d20;
    --radius: 4px;
    --font-serif: 'Georgia', 'Palatino Linotype', 'Times New Roman', serif;
    --font-mono: 'Courier New', 'Courier', monospace;
}

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

body {
    font-family: var(--font-serif);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

header {
    text-align: center;
    padding: 40px 20px 20px;
    border-bottom: 2px solid var(--border);
}

header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
}

header h1 a {
    color: inherit;
    text-decoration: none;
}

header .subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 4px;
    font-style: italic;
}

nav {
    margin-top: 12px;
    font-size: 0.85rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
}

nav a {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    transition: background 0.15s, border-color 0.15s;
}

nav a:hover {
    background: var(--primary);
    color: var(--surface);
    border-color: var(--primary);
    text-decoration: none;
}

main {
    max-width: 700px;
    margin: 0 auto;
    padding: 30px 20px 60px;
}

/* Post list */
.post-list {
    list-style: none;
}

.post-list li {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

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

.post-list .post-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.post-list .post-meta {
    margin-top: 2px;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-list .post-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.post-category {
    display: inline-block;
    font-size: 0.78rem;
    padding: 1px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    background: var(--surface);
}

.post-category:hover {
    color: var(--primary);
    border-color: var(--primary);
    text-decoration: none;
}

.category-heading {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 8px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.post-list .post-summary {
    margin-top: 6px;
    font-size: 0.95rem;
}

/* Single post */
article h1 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 4px;
}

article .post-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

article h2 {
    font-size: 1.2rem;
    color: var(--primary);
    margin: 28px 0 10px;
}

article h3 {
    font-size: 1.05rem;
    color: var(--primary);
    margin: 20px 0 8px;
}

article p {
    margin-bottom: 14px;
}

article ul, article ol {
    margin: 0 0 14px 24px;
}

article li {
    margin-bottom: 4px;
}

article blockquote {
    border-left: 3px solid var(--border);
    padding: 8px 16px;
    margin: 14px 0;
    color: var(--text-muted);
    font-style: italic;
    background: var(--surface);
    border-radius: var(--radius);
}

article code {
    font-family: var(--font-mono);
    background: var(--surface);
    padding: 2px 5px;
    border-radius: var(--radius);
    font-size: 0.9em;
}

article pre {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    overflow-x: auto;
    margin-bottom: 14px;
}

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

article img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 14px 0;
}

article hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 28px 0;
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
    header {
        padding: 28px 16px 16px;
    }
    main {
        padding: 20px 16px 40px;
    }
}