* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f2f4f7;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-container,
.welcome-container {
  background: #fff;
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 360px;
  text-align: center;
}

h1 {
  margin: 0 0 0.25rem;
  color: #1a2b4c;
}

h2 {
  margin: 0 0 1.5rem;
  font-weight: normal;
  color: #666;
}

.form-group {
  text-align: left;
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: #333;
}

input {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

button {
  width: 100%;
  padding: 0.7rem;
  background: #1a2b4c;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.5rem;
}

button:hover {
  background: #10192f;
}

.error-message {
  background: #fdecea;
  color: #b3261e;
  padding: 0.6rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}