/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    padding: 20px;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 40px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

/* Header Styles */
header {
    border-bottom: 3px solid #2c3e50;
    padding-bottom: 30px;
    margin-bottom: 40px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.header-text {
    flex: 1;
    text-align: center;
}

.header-profile {
    flex-shrink: 0;
    margin-right: 75px;
}

.profile-pic {
    width: 165px;
    height: 165px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.3em;
    color: #555;
    margin-bottom: 5px;
    font-style: italic;
}

.affiliation {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 15px;
}

.contact {
    margin-top: 15px;
    font-size: 1em;
}

.contact a {
    color: #2980b9;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact a:hover {
    color: #1a5c8a;
    text-decoration: underline;
}

/* Main Content */
main {
    margin-top: 30px;
}

section {
    margin-bottom: 40px;
}

h2 {
    font-size: 1.8em;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #ecf0f1;
}

h3 {
    font-size: 1.4em;
    color: #34495e;
    margin-bottom: 15px;
}

h4 {
    font-size: 1.2em;
    color: #34495e;
    margin-bottom: 10px;
}

/* Paper Section */
.paper-section {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 5px;
    border-left: 5px solid #2980b9;
}

.paper-image {
    width: 75%; /* Reduced from 100% to 75% for better visual proportion */
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 25px;
}

.paper-image img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    border: 2px solid #ddd;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.paper-title {
    font-size: 1.5em;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.4;
}

/* Buttons */
.paper-links {
    margin: 25px 0;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.button {
    display: inline-block;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: bold;
    transition: all 0.3s ease;
    text-align: center;
}

.button.primary {
    background-color: #2980b9;
    color: white;
}

.button.primary:hover {
    background-color: #1a5c8a;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.button.secondary {
    background-color: #ecf0f1;
    color: #2c3e50;
    border: 2px solid #2980b9;
}

.button.secondary:hover {
    background-color: #d5dbdb;
}

/* Abstract */
.abstract {
    margin-top: 25px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.abstract p {
    margin-bottom: 15px;
    text-align: left;
}

.abstract strong {
    color: #2c3e50;
}

/* Bio and Additional Sections */
.bio-section p,
.additional-section p {
    margin-bottom: 15px;
    text-align: left;
}

.additional-section ul {
    margin-left: 30px;
    margin-bottom: 15px;
}

.additional-section li {
    margin-bottom: 8px;
}

/* Paper Items */
.paper-item {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
    border-left: 3px solid #95a5a6;
}

.paper-item-image {
    width: 100%;
    margin-bottom: 15px;
}

.paper-item-image img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    border: 1px solid #ddd;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.paper-item h4 {
    color: #2c3e50;
    margin-bottom: 8px;
}

.paper-item p {
    color: #555;
    font-size: 0.95em;
}

.paper-item a {
    color: #2980b9;
    text-decoration: none;
    font-weight: bold;
}

.paper-item a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 2px solid #ecf0f1;
    text-align: center;
    font-size: 0.9em;
    color: #7f8c8d;
}

footer p {
    margin-bottom: 5px;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 20px;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-profile {
        order: -1;
        margin-bottom: 20px;
        margin-right: 0;
    }

    .profile-pic {
        width: 132px;
        height: 132px;
    }

    header h1 {
        font-size: 2em;
    }

    .subtitle {
        font-size: 1.1em;
    }

    .affiliation {
        font-size: 1em;
    }

    h2 {
        font-size: 1.5em;
    }

    h3 {
        font-size: 1.2em;
    }

    .paper-links {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .contact {
        font-size: 0.9em;
    }
}

@media screen and (max-width: 480px) {
    .profile-pic {
        width: 110px;
        height: 110px;
    }

    header h1 {
        font-size: 1.6em;
    }

    .paper-section {
        padding: 15px;
    }

    .abstract {
        padding: 15px;
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white;
        padding: 0;
    }

    .container {
        box-shadow: none;
        padding: 0;
    }

    .button {
        display: none;
    }

    a[href^="http"]:after {
        content: " (" attr(href) ")";
    }
}