/* Modal de autenticacion (login/register) */
/*  esto es la ventana que aparece para iniciar sesion o registrarse */

.auth-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    justify-content: center;
    align-items: center;
    z-index: 11000;
    /* Mas alto que cualquier otro overlay para asegurar que se vea */
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auth-modal.active {
    display: flex;
    opacity: 1;
}

/* Caja blanca del modal con  animacion de entrada (translateY de -20px a 0) */
.auth-modal-content {
    background: #1e1e1e;
    border-radius: 20px;
    width: 90%;
    max-width: 440px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: relative;
    border: 1px solid #333;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

/* Cuando el modal esta activo, el contenido se desliza a su posicion original */
.auth-modal.active .auth-modal-content {
    transform: translateY(0);
}

/* Boton de cerrar en posicion absoluta dentro del modal */
.close-auth-btn {
    position: absolute;
    top: 15px;
    right: 18px;
    background: none;
    border: none;
    color: #888;
    font-size: 20px;
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 5px;
}

.close-auth-btn:hover {
    color: white;
}

/* Pestañas de Login / Register */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid #2d2d2d;
    margin-bottom: 25px;
    gap: 15px;
}

.auth-tab-btn {
    background: none;
    border: none;
    color: #888;
    font-size: 16px;
    font-weight: bold;
    padding: 10px 0;
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease;
}

.auth-tab-btn:hover {
    color: #bbb;
}

.auth-tab-btn.active {
    color: white;
}

/* Barra inferior que indica la pestana activa - pseudo-elemento ::after */
.auth-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: white;
}

/* Estilos del formulario */
.auth-modal-content label {
    display: block;
    font-size: 13px;
    font-weight: bold;
    color: #bbb;
    margin-top: 15px;
    margin-bottom: 5px;
}

.auth-modal-content input {
    width: 100%;
    background: #2d2d2d;
    border: 1px solid #444;
    border-radius: 12px;
    padding: 12px 15px;
    color: white;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s ease;
}

.auth-modal-content input:focus {
    border-color: #777;
}

.field-hint {
    display: block;
    font-size: 11px;
    color: #666;
    margin-bottom: 4px;
}

/* Boton principal de envio con efecto de escala al hacer click */
.auth-submit-btn {
    width: 100%;
    background: white;
    color: black;
    font-weight: bold;
    font-size: 16px;
    padding: 14px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    margin-top: 25px;
    transition: background 0.2s ease, transform 0.1s ease;
}

.auth-submit-btn:hover {
    background: #e5e5e5;
}

.auth-submit-btn:active {
    transform: scale(0.98);
}

/* Mensajes de error en rojo */
.auth-error-msg {
    display: none;
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
    padding: 12px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 15px;
    text-align: left;
}

/* responsive: en pantallas muy chicas (menos de 480px) el modal usa casi todo el ancho */
@media (max-width: 480px) {
    .auth-modal-content {
        padding: 20px;
        width: 95%;
    }
}