body {
  padding-top: 70px;
  /** Always show scroll-bars so that body does not move horizontally when we change tab */
  background-color: #2a2f3a;
  overflow-y:scroll;
  color: #e0e0e0; /* Light Gray Text */
  font-family: Arial, sans-serif; /* Simple and readable font */
}

.sponsor-logo-container {
  background-color: rgba(200, 215, 215, 0.7); /* Slightly transparent dark background */
  padding: 8px;
  border: 2px solid rgba(255, 255, 255, 0.4); /* Soft white border */
  border-radius: 10px; /* Rounded corners for a softer look */
}

.footer {
  margin-top: 30px;
  background-color: #f5f5f5;
  color: black;
}

.references li {
  margin-bottom: 5px;
}

#lectures .panel-heading {
  font-weight: bold;
}

.title-talk {
  font-style: italic;
  margin-bottom: 0.5px;
}

.presentation {
  text-align: justify;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: #ffffff; /* White for headings */
}

/* Links */
a {
  color: #82c7ff; /* Soft Sky Blue */
  text-decoration: none;
}

a:hover {
  color: #66a3cc; /* Darker blue on hover */
}

/* Buttons */
button {
  background-color: #ff5722; /* Vibrant orange button */
  color: #ffffff; /* White text */
}

button:hover {
  background-color: #ff784e; /* Lighter orange on hover */
}

/* Borders */
hr {
  border-color: #444444; /* Light gray divider */
}

input, textarea {
  background-color: #1c1f26; /* Slightly darker gray-blue for input */
  color: #e0e0e0; /* Light text */
  border: 1px solid #333333; /* Dark gray border */
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-thumb {
  background-color: #444444; /* Dark gray thumb */
}

::-webkit-scrollbar-track {
  background-color: #1c1f26; /* Dark track */
}

/* Dark background for the navbar */
.navbar {
  background-color: #1c1f26; /* Slightly lighter dark blue-gray */
}

/* Change text color to light gray */
.navbar a, .navbar .navbar-brand {
  color: #e0e0e0; /* Light gray text */
}

/* Hover effect for menu items */
.navbar a:hover, .navbar .navbar-brand:hover {
  color: #82c7ff; /* Soft Sky Blue on hover */
}

/* Darken the background on active or expanded states */
.navbar-nav .nav-item.active, .navbar-nav .nav-link.active {
  background-color: #1c1f26; /* Darker shade when active */
}

/* Optional: Adjust dropdown background for dark theme */
.navbar .dropdown-menu {
  background-color: #252a34; /* Same dark color */
  color: #e0e0e0; /* Light gray text */
}

.navbar .dropdown-menu a {
  color: #e0e0e0; /* Light gray text for dropdown items */
}

.navbar .dropdown-menu a:hover {
  color: #82c7ff; /* Soft Sky Blue on hover */
  background-color: #1c1f26; /* Slightly darker on hover */
}