/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    font-size: 18px;
}

/* Navigation */
.navbar {
    background-color: #2c3e50;
    padding: 1rem 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar a {
    color: white;
    text-decoration: none;
    margin: 0 2rem;
    font-weight: 500;
    font-size: 18px;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #3498db;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

/* Headings */
h1 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-family: 'Libre Baskerville', serif;
    font-size: 40px;
    font-weight: bold;
    border-bottom: 3px solid #3498db;
    padding-bottom: 0.5rem;
}

h3 {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    font-family: 'Libre Baskerville', serif;
    font-size: 20px;
    font-weight: bold;
}

h3 a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

h3 a:hover {
    color: #3498db;
}

/* Publications section */
.publications h1 {
    margin-bottom: 2rem;
}

.paper {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 6px;
}

.paper p {
    margin-bottom: 0.8rem;
    text-align: justify;
}

.paper p:first-child {
    font-size: 20px;
    color: #2c3e50;
    font-weight: 600;
}

.paper p:nth-child(2) {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 1rem;
}

.paper a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    background: #e8f4f8;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 1rem;
    transition: background-color 0.3s ease;
}

.paper a:hover {
    background: #d1ecf1;
}

.abstract {
    background: white;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #e9ecef;
    margin-top: 1rem;
    font-size: 18px;
    line-height: 1.7;
    text-align: justify;
}

/* Content section */
.content {
    margin-top: 1rem;
}

.content p {
    margin-bottom: 1.5rem;
    text-align: justify;
    line-height: 1.7;
    font-size: 18px;
}

.content a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.content a:hover {
    text-decoration: underline;
}

/* Upcoming Papers section - only for opinion_and_policy.html */
.upcoming-papers-heading {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    font-family: 'Libre Baskerville', serif;
    font-size: 28px;
    font-weight: bold;
}

.upcoming-paper .abstract {
    font-style: normal !important;
    color: #333 !important;
}

.upcoming-paper p:nth-child(2) {
    font-style: normal !important;
    color: #333 !important;
}

.upcoming-paper p:first-child {
    color: #2c3e50;
}

/* Work in Progress section - only for research.html */
.work-in-progress-heading {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    font-family: 'Libre Baskerville', serif;
    font-size: 28px;
    font-weight: bold;
}

.work-in-progress-paper .abstract {
    font-style: normal !important;
    color: #333 !important;
}

.work-in-progress-paper p:first-child {
    color: #2c3e50;
}

/* Responsive design */
@media (max-width: 768px) {
    .navbar a {
        margin: 0 1rem;
        font-size: 1rem;
    }

    .container {
        padding: 1.5rem;
        margin: 1rem auto;
    }

    h1 {
        font-size: 2rem;
    }

    .paper {
        padding: 1rem;
    }

    .paper p:first-child {
        font-size: 1.1rem;
    }
}