:root {
    --bg-color: #f9f9f9;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #555;
    --card-bg: #fff;
    --border-color: #e5e5e5;
    --accent-color: #3498db;
    --heading-color: #2c3e50;
    --code-bg: #f4f4f4;
    --shadow: rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #e4e4e4;
        --text-light: #b0b0b0;
        --text-lighter: #c0c0c0;
        --card-bg: #2d2d2d;
        --border-color: #404040;
        --accent-color: #5dade2;
        --heading-color: #f8f9fa;
        --code-bg: #3a3a3a;
        --shadow: rgba(0,0,0,0.3);
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Header */
.masthead {
    background: transparent;
    padding: 20px 0;
    margin-bottom: 40px;
}

.site-title a {
    font-size: 2rem;
    font-weight: 700;
    color: var(--heading-color);
    text-decoration: none;
}

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

.site-description {
    margin-top: 5px;
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 400;
}


/* Main content */
main {
    min-height: 60vh;
}

/* Posts */
.post {
    background: transparent;
    padding: 30px 0;
    margin-bottom: 30px;
}

/* Homepage post list */
.post-item {
    display: flex;
    align-items: baseline;
    gap: 20px;
    padding: 8px 0;
    margin-bottom: 8px;
}

.post-date {
    color: var(--text-light);
    font-size: 0.9rem;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    flex-shrink: 0;
    min-width: 80px;
}

.post-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    flex: 1;
}

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

.post-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--heading-color);
    line-height: 1.3;
}

.post-title a {
    color: inherit;
    text-decoration: none;
}

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

.post-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.post-excerpt {
    color: var(--text-lighter);
    line-height: 1.6;
}

.post-content {
    color: var(--text-color);
    line-height: 1.7;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin: 25px 0 15px 0;
    color: var(--heading-color);
    line-height: 1.3;
}

.post-content h1 { font-size: 1.8rem; }
.post-content h2 { font-size: 1.5rem; }
.post-content h3 { font-size: 1.3rem; }

.post-content p {
    margin-bottom: 15px;
}

.post-content ul,
.post-content ol {
    margin: 15px 0;
    padding-left: 25px;
}

.post-content li {
    margin-bottom: 5px;
}

.post-content pre {
    background: var(--code-bg);
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 15px 0;
    border: 1px solid var(--border-color);
}

.post-content code {
    background: var(--code-bg);
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.9em;
}

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

.post-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 15px 0;
    color: var(--text-light);
    font-style: italic;
}

.post-content iframe {
    max-width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    margin: 15px 0;
}

.post-content img {
    max-width: 60%;
    height: auto;
    margin: 15px 0;
    border-radius: 4px;
    display: block;
}

/* Post navigation */
.post-navigation {
    margin-top: 30px;
}

.back-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-block;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s;
}

.pagination-link:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.pagination-link.current {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

/* Footer */
footer {
    background: transparent;
    padding: 20px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--text-light);
}

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

footer a:hover {
    text-decoration: underline;
}

/* Homepage grid layout */
.homepage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.projects-section,
.blogs-section {
    min-height: 200px;
}

.projects-section h2,
.blogs-section h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--heading-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
}

/* Project items */
.project-item {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.project-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.project-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-link {
    color: var(--heading-color);
    text-decoration: none;
}

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

.project-description {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tech-tag {
    background: var(--code-bg);
    color: var(--text-color);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* View all posts link */
.view-all {
    margin-top: 20px;
    text-align: right;
}

.view-all-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.view-all-link:hover {
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .homepage-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .masthead {
        padding: 15px 0;
        margin-bottom: 20px;
    }

    .site-title a {
        font-size: 1.5rem;
    }

    .post {
        padding: 20px;
        margin-bottom: 20px;
    }

    .post-title {
        font-size: 1.3rem;
    }

    .pagination {
        gap: 5px;
    }

    .pagination-link {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .post-content h1 { font-size: 1.5rem; }
    .post-content h2 { font-size: 1.3rem; }
    .post-content h3 { font-size: 1.1rem; }
}