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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background: #fafafa;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.social-links {
    margin: 1.5rem 0;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 1.5rem;
    color: #0077b5;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.social-links a:hover {
    opacity: 0.7;
}

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 0.5rem;
}

.paper-list {
    list-style: none;
}

.paper-item {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.paper-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.paper-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.paper-meta {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.75rem;
}

.paper-link {
    display: inline-block;
    color: #0077b5;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: opacity 0.2s;
}

.paper-link:hover {
    opacity: 0.7;
}

@media (max-width: 600px) {
    body {
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.3rem;
    }
}