body {
  margin: 0;
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
  color: #333333;
  font-size: 16px;
  min-width: 680px;
}
.error {
  color: red;
}
button:not(.none) {
  display: inline-block;
  background-color: #0c1f3f;
  color: #aad2ff;
  padding: 8px 20px;
  border: 1px solid #0c1f3f;
  border-radius: 6px;
  font-size: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  margin: 10px; 
}
button:hover {
  background-color: #1a376b;
  border-color: #1a376b;
  color: #ffffff;
  box-shadow: 0 0 6px rgba(26, 55, 107, 0.6);
}
button:active {
  background-color: #092041;
  transform: scale(0.98);
}
table {
  border-collapse: collapse;
}
caption {
  font-weight: 600;
  margin-bottom: 25px;
  line-height: 1.8;
}
th {
  color: #0c1f3f;
  font-weight: 600;
  text-align: right;
  padding: 5px;
  vertical-align: middle;
  white-space: nowrap;
}
tr:not(:has(td)) > th {
  text-align: center;
}
td {
  text-align: left;
  padding: 5px;
}
td:has(button) {
  text-align: center;
}
input {
  padding: 8px 10px;
  border: 1px solid #cccccc;
  border-radius: 6px;
  font-size: inherit;
  background-color: #f9f9f9;
  color: #333333;
  transition: all 0.2s ease-in-out;
}
input[type="text"], input[type="password"] {
  width: 300px;
}
input:focus {
  outline: none;
  border-color: #0c1f3f;
  box-shadow: 0 0 4px rgba(12, 31, 63, 0.6);
  background-color: #ffffff;
}
header, footer {
  background: #0c1f3f;
  color: #aad2ff;
  padding: 5px 10px;
  text-align: center;
  vertical-align: middle;
}
header {
  text-align: left;
  line-height: 50px;
}
header img {
  height: 50px;
  vertical-align: middle;
}
header span {
  display: inline-block;
  font-size: 19px;
  font-weight: bold;
  vertical-align: middle;
  line-height: normal;
  padding-left: 10px;
}
header + div {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-height: 0;
  justify-content: center;
  align-items: center;
  text-align: center;
  vertical-align: middle; 
}