main {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 3rem 1rem;
  min-height: 80vh;
}

#headerPrincipal {
    display: flex;
    align-items: center;  
    justify-content: space-between;
    padding: 0.5rem 3rem; 
    border-bottom: 0.1rem solid var(--color-blanco);
    box-sizing: border-box;
}

/* Contenedor del formulario */
#loginContainer {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 15px;
  box-shadow: 0px 10px 25px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 1200px;
  padding: 2rem;
  text-align: center;
  animation: fadeIn 1s ease-in-out;
}

/* Título */
#loginContainer h1 {
  color: var(--color-azul2);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

#loginContainer {
  margin-top: 50px;
}

/* Etiquetas */
#loginContainer label {
  display: block;
  text-align: left;
  font-weight: 600;
  margin-top: 1rem;
  color: var(--color-blanco);
}

/* Inputs */
#loginContainer input {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-blanco);
  transition: 0.3s ease all;
  margin-top: 0.4rem;
}

#loginContainer input:focus {
  border-color: var(--color-azul1);
  box-shadow: 0 0 0 3px rgba(62, 154, 222, 0.3);
  outline: none;
}

/* Botones */
#loginContainer button {
  width: 100%;
  margin-top: 1rem;
  font-size: 1rem;
  border-radius: 10px;
  padding: 0.7rem;
  font-weight: 600;
  transition: 0.3s ease background-color, transform 0.2s;
}

#signInBtn, #signUpBtn {
  background-color: var(--color-azul1);
  color: var(--color-blanco);
}

#signInBtn:hover, #signUpBtn:hover {
  background-color: var(--color-azul2);
  transform: scale(1.02);
}

#toRegisterBtn, #goLoginBtn {
  background-color: transparent;
  border: 1px solid var(--color-azul2);
  color: var(--color-azul2);
}

#toRegisterBtn:hover, #goLoginBtn:hover {
  background-color: var(--color-azul2);
  color: var(--color-negro);
}

#signOutBtn {
  background-color: var(--color-morado);
  color: var(--color-blanco);

  border: 1px solid var(--color-morado); 
    
  box-shadow: 0 0 5px rgba(138, 43, 226, 0.5);
}

#signOutBtn:hover {
  background-color: #4324a8;
  box-shadow: 0 0 15px rgba(138, 43, 226, 0.8);
}

/* Mensaje y bloques adicionales */
#msg {
  margin-top: 1rem;
  font-weight: 500;
  color: var(--color-azul2);
}

#extraInfoForm {
  display: none;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
}

#data {
  display: none;
  margin-top: 2rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 1rem;
  color: var(--color-blanco);
}

#data p {
  text-align: left;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

/* Responsividad */
@media (max-width: 500px) {
  #loginContainer {
    padding: 1.5rem;
    margin-top: 1rem;
  }
}

/* placeholder */
#loginContainer input::placeholder {
  color: rgba(255, 255, 255, 0.6);   
  opacity: 1;                       
}

#loginContainer input::-webkit-input-placeholder {
  color: rgba(255, 255, 255, 0.6);
}
#loginContainer input:-ms-input-placeholder {
  color: rgba(255, 255, 255, 0.6);
}
#loginContainer input::-ms-input-placeholder {
  color: rgba(255, 255, 255, 0.6);
}

#headerProfileIm img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    cursor: pointer;
}

#headerProfileIm {
    display: flex;           
    align-items: center;    
    margin-right: 20px;
}

#authErrorDisplay {
    background-color: rgba(220, 53, 69, 0.1); 
    border: 1px solid #dc3545; 
    border-radius: 8px;
    padding: 10px 15px;
    margin-top: 0;
    margin-top: 0;
    
    color: #f0f0f0; 
    font-weight: 500;
    text-align: center;
    font-size: 0.95rem;
    
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);

    align-items: center;
}