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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Two-column layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Left sidebar */
.sidebar {
    width: 280px;
    background-color: #f5f5f5;
    padding: 40px 30px;
    border-right: 1px solid #ddd;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.sidebar h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #222;
}

.sidebar .title {
    font-size: 15px;
    color: #666;
    margin-bottom: 5px;
}

.sidebar .affiliation {
    font-size: 14px;
    color: #777;
    margin-bottom: 25px;
    line-height: 1.5;
}

/* Navigation */
.nav-links {
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.nav-links a {
    color: #0066cc;
    text-decoration: none;
    padding: 8px 0;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #004499;
}

/* Contact in sidebar */
.sidebar .contact h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #222;
}

.sidebar .contact p {
    font-size: 13px;
    color: #555;
    margin-bottom: 6px;
    line-height: 1.5;
}

.social-links {
    margin-top: 12px;
    font-size: 13px;
}

.social-links a {
    color: #0066cc;
    text-decoration: none;
}

.social-links a:hover {
    text-decoration: underline;
}

/* Main content area */
.content {
    margin-left: 280px;
    padding: 50px 60px;
    max-width: 900px;
    flex: 1;
}

/* Sections */
section {
    margin-bottom: 50px;
    position: relative;
}

section h2 {
    font-size: 22px;
    font-weight: 600;
    color: #222;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e0e0e0;
    position: relative;
    z-index: 2;
    background: white;
}

section h3 {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin-top: 25px;
    margin-bottom: 12px;
}

section p {
    margin-bottom: 15px;
    color: #444;
    text-align: justify;
}

.note {
    font-size: 14px;
    color: #777;
    font-style: italic;
    margin-bottom: 25px;
}

/* Links */
a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Lists */
ul {
    list-style-position: outside;
    margin-left: 20px;
}

ul li {
    margin-bottom: 10px;
    color: #444;
}

/* Publications */
.paper {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.paper:last-child {
    border-bottom: none;
}

.paper-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.paper-title a {
    color: #222;
}

.paper-title a:hover {
    color: #0066cc;
}

.paper-authors {
    font-size: 14px;
    color: #555;
    margin-bottom: 3px;
}

.paper-venue {
    font-size: 14px;
    color: #777;
    font-style: italic;
    margin-bottom: 8px;
}

.paper-links {
    font-size: 13px;
}

.paper-links a {
    color: #0066cc;
    margin-right: 5px;
}

/* 3D Neural Network Visualization */
#neural-network-container {
    position: fixed;
    top: 80px;
    right: 60px;
    width: 120px;
    height: 120px;
    pointer-events: all;
    z-index: 10;
    opacity: 1;
}

#neural-network-container canvas {
    display: block;
}

/* Personal Statement */
.personal-statement {
    background-color: #f8f9fa;
    border-left: 3px solid #0066cc;
    padding: 20px;
    margin: 25px 0;
    border-radius: 4px;
}

.personal-statement p {
    margin-bottom: 0;
    font-style: italic;
    color: #333;
    line-height: 1.7;
}

/* Skills Section */
.skills-category {
    margin-bottom: 20px;
}

.skills-category h3 {
    font-size: 15px;
    font-weight: 600;
    color: #0066cc;
    margin-bottom: 8px;
    margin-top: 0;
}

.skills-category p {
    margin-bottom: 0;
    color: #555;
    line-height: 1.8;
}

/* Footer */
footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    color: #999;
    font-size: 13px;
}

/* Responsive design */
@media (max-width: 968px) {
    .wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #ddd;
        text-align: center;
    }

    .profile-photo {
        width: 150px;
        height: 150px;
    }

    .nav-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .content {
        margin-left: 0;
        padding: 30px 25px;
    }

    section p {
        text-align: left;
    }

    #neural-network-container {
        display: none;
    }
}