/* Base styles */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

/* Navigation */
nav {
  background-color: #004080;
  padding: 15px 12px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

nav a {
  margin: 0 12px;
  text-decoration: none;
  color: white;
  font-weight: bold;
  font-size: 14px;
  line-height: 1;
  display: inline-block;
  white-space: nowrap;   /* Prevent text wrapping */
}

nav a:hover {
  text-decoration: underline;
}

/* Headings */
h1, h2, h3 {
  color: #004080;
  margin-top: 20px;
  margin-bottom: 10px;
  text-align: center;
}

/* Paragraphs */
p {
  margin-bottom: 15px;
  font-size: 14px; 
}

/* Teaching (courses list) */
.courses {
  list-style: none;
  padding: 0;
  margin: 20px auto;
  max-width: 700px;
  font-size: 12px; 
}

.courses li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #ddd;
  font-size: 12px; 
}

.course-title {
  font-weight: normal;
  font-size: 12px; 
}

.course-year {
  color: #2d10c0;
  font-style: italic;
  font-size: 12px; 
}

/* Research list */
.research-list {
  list-style: none;
  padding: 0;
  margin: 20px auto;
  max-width: 700px;
}

.research-list li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #ddd;
}

.research-title {
  max-width: 75%;
}

.research-year a {
  color: gray;
  text-decoration: none;
  font-style: italic;
}

.research-year a:hover {
  color: #004080;
}

/* Paper toggle details */
.paper {
  margin: 20px auto;
  max-width: 700px;
  font-size: 14px; 
}

.paper-title {
  font-weight: bold;
  margin-right: 10px;
}

/* About section */
.about-section {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
  margin: 20px;
}

.about-card {
  max-width: 600px;
  margin: 40px auto;
  padding: 20px;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.profile-pic {
  width: 150px;
  border-radius: 50%;
  margin-bottom: 15px;
}

/* Education list */
.education {
  list-style: none;
  padding: 0;
  margin: 20px auto;
  max-width: 700px;
  font-size: 12px; 
}

.education li {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 12px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 6px;
  width: 100%;
}

.degree {
  font-weight: bold;
  flex: 1; 
}

.edu-year {
  color: gray;
  font-style: italic;
  text-align: right;     /* push text to right */
  min-width: 120px; 
}

.school {
  width: 100%;
  margin-left: 10px;
  color: #555;
}

.home-links {
  list-style: none;
  padding: 0;
  text-align: left;
  margin: 20px 0;         /* Remove auto centering */
  display: block;
  font-size: 12px;
  max-width: 600px;
  width: 100%;            /* Take full width available */
}

.home-links li {
  margin: 6px 0;  /* Reduced spacing */
  position: relative;
  padding-left: 15px;  /* Reduced padding */
  display: block;  /* Each item takes full width */
}

.home-links li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #004080;
  font-size: 14px;  /* Smaller bullet */
  font-weight: bold;
}

.home-links a {
  display: inline;
  padding: 0;
  background: none;
  color: #004080;
  text-decoration: none;
  font-weight: normal;
  border-radius: 0;
  font-size: 12px;  /* Smaller text */
}

.home-links a:hover {
  background: none;
  text-decoration: underline;
  color: #0066cc;
}

.toggle-btn {
  font-size: 12px;
  padding: 4px 8px;
  background: #004080;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.toggle-btn:hover {
  background: #0066cc;
}
.top-section {
  display: flex;
  align-items: stretch;  /* both columns equal height */
  gap: 20px;             /* spacing between photo and text */
  margin: 20px;
}

.top-photo {
  flex: 1;               /* take half the width */
  overflow: hidden;
  display: flex;         /* Center image vertically */
  align-items: center;   /* Center image vertically */
  justify-content: center; /* Center image horizontally */
}

.top-photo .profile-pic {
  width: 80%;
  height: auto;          /* Maintain aspect ratio */
  object-fit: cover;     /* Fill the container */
  object-position: center; /* Centers the image */
  border: none;          /* Remove blue border */
  border-radius: 12px;
  padding: 5px;
  background-color: #696969;  /* Dim gray - much darker */
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
  display: block;        /* Remove any inline spacing */
}

.top-info {
  flex: 1;               /* other half of width */
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;    /* Center the content blocks */
}

.top-info h2 {
  margin-top: 0;
  text-align: center;
}

.bio {
  text-align: left;       /* Left align text within the block */
  line-height: 1.8;
  font-size: 16px;
  margin: 20px 0;         /* Remove auto centering */
  max-width: 600px;
  width: 100%;            /* Take full width available */
}

.contact-footer {
  background-color: #004080;   /* same as nav */
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  font-size: 14px;
}

.contact-footer a {
  color: #ffcc00;              /* highlight email */
  text-decoration: none;
}

.contact-footer a:hover {
  text-decoration: underline;
}