body {
  background: linear-gradient(135deg, #2563eb, #1e40af);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.login-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: 40px;
  max-width: 450px;
  width: 100%;
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header i {
  font-size: 3rem;
  color: #2563eb;
}

footer {
  background: rgba(0, 0, 0, 0.3);
  color: white;
  padding: 20px 0;
  text-align: center;
}