* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  background: #ffffff;
  padding: 40px;
  width: 360px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.login-container h2 {
  margin-bottom: 8px;
}

.login-container p {
  font-size: 14px;
  color: #666;
  margin-bottom: 25px;
}

.login-container input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}

.login-container button {
  width: 100%;
  padding: 12px;
  background: #667eea;
  border: none;
  color: #fff;
  font-size: 15px;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
}

.login-container button:hover {
  background: #5a67d8;
}

.error {
  color: red;
  font-size: 13px;
  margin-top: 10px;
}