.login-container {
  max-width: 400px;
  margin: 80px auto;
  padding: 2rem;
  background: #1e1e2f;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.3);
  color: #fff;
}

.login-form h2 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  text-align: center;
}

.login-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.login-form input {
  width: 100%;
  padding: 0.7rem;
  margin-bottom: 1.2rem;
  border: none;
  border-radius: 6px;
  background: #2e2e42;
  color: #fff;
  font-size: 1rem;
}

.login-form input:focus {
  outline: none;
  box-shadow: 0 0 5px #0099ff;
}

.btn-login {
  width: 100%;
  padding: 0.8rem;
  border: none;
  background: #0099ff;
  color: white;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-login:hover {
  background: #0077cc;
}

.error-message {
  background-color: #ffe0e0;
  border: 1px solid #ff5c5c;
  color: #a30000;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 8px;
  font-weight: bold;
  text-align: center;
}