body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f0f2f5;
  margin: 0;
  padding: 0;
  color: #333;
}
nav {
  background-color: #004080;
  color: white;
  padding: 1em;
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
}
nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
main {
  padding: 2em;
  max-width: 900px;
  margin: auto;
  background: white;
  margin-top: 1em;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
  color: #004080;
}
h2 {
  color: #003060;
}
ul {
  list-style-type: none;
  padding: 0;
}
ul li {
  margin-bottom: 0.5em;
}
a.button {
  display: inline-block;
  padding: 0.5em 1em;
  background-color: #0070cc;
  color: white;
  border-radius: 5px;
  text-decoration: none;
}
a.button:hover {
  background-color: #005fa3;
}
img {
  max-width: 100%;
  border-radius: 5px;
  margin: 1em 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1em;
}
th, td {
  padding: 0.75em;
  text-align: left;
  border-bottom: 1px solid #ddd;
}
th {
  background-color: #004080;
  color: white;
}
tr:hover {
  background-color: #f1f1f1;
}

/* Dropdowns */
.dropdown {
  position: relative;
  display: inline-block;
}
.dropbtn {
  background-color: #004080;
  color: white;
  padding: 10px;
  font-size: 1em;
  border: none;
  cursor: pointer;
}
.dropdown-content {
  display: none;
  position: absolute;
  background-color: white;
  min-width: 160px;
  z-index: 1;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
.dropdown-content a {
  color: #333;
  padding: 10px 12px;
  text-decoration: none;
  display: block;
}
.dropdown-content a:hover {
  background-color: #f1f1f1;
}
.dropdown:hover .dropdown-content {
  display: block;
}

#navbar-container {
  background: #004080;
  padding: 1em;
  color: white;
}