body {
  font-family: Arial, sans-serif;
  background: #121212;
  color: #eee;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.auth-container {
  background: #222;
  padding: 2rem;
  border-radius: 8px;
  width: 320px;
  box-shadow: 0 0 15px #0af;
  text-align: center;
}

.auth-container p {
  margin: 1rem 0;
}

.auth-form input[type="text"],
.auth-form input[type="password"] {
  width: 100%;
  padding: 0.5rem;
  margin: 0.5rem 0;
  border-radius: 4px;
  border: none;
  font-size: 1rem;
}

.password-wrapper {
  position: relative;
}

.toggle-pwd-btn {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: #0af;
  cursor: pointer;
  font-weight: bold;
}

.btn {
  width: 100%;
  padding: 0.7rem;
  margin-top: 1.5rem;
  background: #0af;
  border: none;
  border-radius: 4px;
  font-size: 1.1rem;
  color: #121212;
  cursor: pointer;
  transition: background 0.3s;
}

.btn:hover {
  background: #08c;
}

.auth-message {
  margin-top: 1rem;
  color: #f66;
  min-height: 1.5rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.data-table th, .data-table td {
  border: 1px solid #0af;
  padding: 0.5rem;
  text-align: left;
}

.data-table th {
  background-color: #0a4;
  color: #fff;
}