body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f2f2f2;
  color: #000;
}

.header {
  background-color: #007bff;
  color: white;
  padding: 14px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 20px auto;
  background-color: white;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

h1, h2, h3 {
  text-align: center;
  margin-top: 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
.table th, .table td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
}
.table th {
  background-color: #007bff;
  color: white;
}

button, .btn {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 16px;
  margin: 4px 2px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 2px;
}
button:hover, .btn:hover {
  background-color: #0056b3;
}

input, select, textarea {
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 2px;
  margin: 4px 0;
  width: 100%;
  box-sizing: border-box;
}

.footer {
  background: #333;
  color: white;
  padding: 10px 20px;
  text-align: center;
  font-size: 14px;
  margin-top: auto;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  z-index: 100;
}