body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-background);
}

.login-container {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 430px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.login-card h1 {
  font-size: 32px;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.subtitle {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.btn {
  width: 100%;
  margin-top: 8px;
}

.mensaje {
  margin-top: 18px;
  font-weight: bold;
}

.mensaje.success {
  color: var(--color-success-strong);
}

.mensaje.error {
  color: var(--color-danger-strong);
}

.ayuda {
  color: var(--color-text-light);
  font-size: 14px;
  margin-bottom: 20px;
}

.enlace-secundario {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
}

.enlace-secundario a {
  color: var(--color-primary);
}