:root {
    --primary-color: #000000;
    --secondary-color: #666666;
    --background-color: #ffffff;
    --accent-color: #0066cc;
    --border-color: #e0e0e0;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
    --primary-color: #ffffff;
    --secondary-color: #999999;
    --background-color: #1a1a1a;
    --accent-color: #4d9fff;
    --border-color: #333333;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--background-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.header {
    padding: 4rem 0 2rem;
    text-align: center;
}

.name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.tagline {
    font-size: 1.125rem;
    color: var(--secondary-color);
    font-weight: 400;
}

.nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--border-color);
}

.main {
    padding-bottom: 4rem;
}

.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.section-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--primary-color);
}

.work-item,
.writing-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.work-item:last-child,
.writing-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.exploring-list {
    list-style: none;
    padding: 0;
}

.exploring-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
    line-height: 1.6;
}

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

.writing-meta-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.writing-tags {
    display: flex;
    gap: 0.5rem;
}

.writing-tag {
    background-color: var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    color: var(--secondary-color);
}

.work-title,
.writing-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.work-description,
.writing-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.work-meta,
.writing-meta {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.contact-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.contact-link:hover {
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.social-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

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

.footer-text {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header {
        padding: 2rem 0 1rem;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .nav {
        flex-wrap: wrap;
        gap: 1rem;
        padding: 1.5rem 0;
    }
    
    .section {
        margin-bottom: 3rem;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 1.75rem;
    }
    
    .nav {
        justify-content: space-between;
        gap: 0.5rem;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
}

/* Blog post styles */
.post {
    max-width: 100%;
}

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

.post-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.post-tags {
    display: flex;
    gap: 0.5rem;
}

.post-tag {
    background-color: var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

.post-content {
    line-height: 1.7;
}

.post-content h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--primary-color);
}

.post-content h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--primary-color);
}

.post-content p {
    margin-bottom: 1rem;
}

.post-content ul,
.post-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

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

.post-content code {
    background-color: var(--border-color);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.back-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.back-link:hover {
    opacity: 0.8;
}

.writing-title a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

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