/* Global Styles */
body {
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  color: #333;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Header Styles */
header {
  background-color: #4CAF50;
  color: white;
  text-align: center;
  padding: 1.5em 0;
  margin-bottom: 30px;
}

/* Navigation Styles */
nav ul {
  list-style-type: none;
  padding: 0;
  background-color: #4CAF50;
  overflow: hidden;
  text-align: center;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 14px 20px;
}

nav ul li a:hover {
  background-color: #45a049;
}

/* Section Styles */
section {
  padding: 20px;
  max-width: 900px;
  margin: 20px auto;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Form Styles */
form {
  margin-bottom: 20px;
}

form label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

form input, form select, form textarea, form button {
  width: calc(100% - 22px);
  padding: 10px;
  margin: 5px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  margin-top: 10px;
}

form button:hover {
  background-color: #45a049;
}

/* Table Styles */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

table.data-table th, table.data-table td {
  padding: 12px;
  border: 1px solid #ddd;
  text-align: left;
}

table.data-table th {
  background-color: #f2f2f2;
}

table.data-table tbody tr:nth-child(even) {
  background-color: #f9f9f9;
}

table.data-table tbody tr:hover {
  background-color: #f1f1f1;
}

/* Footer Styles */
footer {
  background-color: #4CAF50;
  color: white;
  text-align: center;
  padding: 1em 0;
  position: relative;
  bottom: 0;
  width: 100%;
}