.login-container {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #051d45 0%, #0e3a95 50%, #2563eb 100%);
}

.login-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 40px 30px;
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.login-header h1 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.login-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
}

.login-card .btn-submit {
  margin-top: 15px;
  padding: 12px;
  font-size: 1rem;
  background-color: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  font-weight: bold;
}

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

.login-footer {
  text-align: center;
  margin-top: 25px;
  font-size: 0.9rem;
}

.login-footer a {
  font-weight: 600;
}

.alert-error {
  background-color: var(--danger-light);
  color: var(--danger);
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
  border-left: 4px solid var(--danger);
  display: none;
}