/* Reset default margin and padding */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  background-color: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background-color: #fff;
  width: 300px;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
  margin-bottom: 20px;
  text-align: center;
}

.error {
  color: #ff0000;
  margin-bottom: 10px;
}

form {
  display: flex;
  flex-direction: column;
}

.input-group {
  margin-bottom: 15px;
}

.input-group label {
  display: block;
  margin-bottom: 5px;
}

.input-group input[type="text"],
.input-group input[type="password"] {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.btn {
  padding: 10px;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.warning {
  color: #b22222; /* Dark red */
  margin-bottom: 15px;
}