@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@100;400;700&family=Roboto+Slab:wght@100;400;700&family=Poppins:wght@100;400;700&display=swap");

* {
    padding: 0;
    margin: 0;
}

body,
input {
    font-family: "Montserrat", sans-serif;
    background-color: #dddddd; /* Color de fondo  de toda la caja*/
}

.main-container {
    display: flex;
    justify-content: center; /* Centrado horizontal */
    align-items: center; /* Centrado vertical */
    height: 10%; /* Altura total de la ventana */
}

.container {
    top: 10px; /*altura del contenedor, es el espacio de arriba*/
    position: relative;
    width: 100%;
    max-width: 900px; /* Ancho máximo del contenedor */
    min-height: 580px; /* Altura mínima del contenedor */
    background-color: #fff;
    overflow: hidden;
    border-radius: 50px; /* Bordes redondeados */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); /* Sombra alrededor del contenedor */
}
/*trancisiones*/
.container::before {
    content: "";
    position: absolute;
    width: 2800px;
    height: 2800px;
    border-radius: 50%;
    background: linear-gradient(-100deg, #223450, #8e9cc9);
    top: -10%;
    right: 40%;
    transform: translateY(-50%);
    z-index: 6;
    transition: 1.2s ease-in-out;
}

/* ... Mantener el resto del CSS existente, asegurándote de que las clases estén correctamente aplicadas */

.forms-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: -10;
    left: 0;
}

.signin-signup {
    position: absolute;
    top: 50%;
    left: 75%;
    transform: translate(-50%, -50%);
    width: 50%;
    display: grid;
    grid-template-columns: 10fr;
    z-index: 2;
    transition: 1.4s 0.1s ease-in-out;
}

form {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 5rem;
    overflow: hidden;
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    transition: 1s 0.5s ease-in-out;
}

form.sign-in-form {
    z-index: 5;
    opacity: 2;
}

form.sign-up-form {
    z-index: 5;
    opacity: 1;
}

.tittle {
    font-size: 2 rem;
    color: #444;
    margin-bottom: 2px;
}

.input-field {
    max-width: 380px;
    width: 100%;
    height: 55px;
    background-color: #f0f0f0;
    margin: 5px;
    border-radius: 55px;
    display: grid;
    grid-template-columns: 15% 85%;
}

.input-field i {
    text-align: center;
    line-height: 55px;
    color: #acacac;
    font-size: 1.2rem;
}

.input-field input {
    background: #f0f0f0;
    outline: none;
    border: none;
    line-height: 1;
    font-weight: 600;
    font-size: 1.1rem;
    color: #333;
    border-radius: 55px;
}

.input-field input::placeholder {
    color: #aaa;
    font-weight: 500;
}

.btn {
    width: 150px;
    height: 49px;
    border: none;
    outline: none;
    border-radius: 49px;
    cursor: pointer;
    background-color: #223450;
    color: #fff;
    text-transform: uppercase;
    font-weight: 600;
    margin: 10px 0;
    transition: 0.5s;
}

.btn:hover {
    background-color: #425e8b;
}

.panels-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.panel {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-around;
    text-align: center;
    z-index: 7;
}

.left-panel {
    pointer-events: all;
    padding: 3rem 18% 2rem 11%;
}

.right-panel {
    pointer-events: none;
    padding: 3rem 14% 2rem 16%;
}

.panel .content {
    color: #fff;
    transition: 1s 1.3s ease-in-out;
}

.panel h3 {
    font-weight: 600;
    line-height: 1;
    font-size: 1.5rem;
}

.panel p {
    font-size: 0.95rem;
    padding: 0.7rem 0;
}

.btn.transparent {
    margin: 0;
    background: none;
    border: 2px solid #fff;
    width: 130px;
    height: 41px;
    font-weight: 600;
    font-size: 0.8rem;
}

.image {
    width: 100%;
    transition: 1s 0.3s ease-in-out;
}

.right-panel .content,
.right-panel .image {
    transform: translateX(800px);
}

/*animacion*/
.container.sign-up-mode::before {
    transform: translate(100%, -50%);
    right: 52%;
}

.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content {
    transform: translateX(-800px);
}

.container.sign-up-mode .right-panel .content,
.container.sign-up-mode .right-panel .image {
    transform: translateX(0px);
}

.container.sign-up-mode .left-panel {
    pointer-events: none;
}

.container.sign-up-mode .right-panel {
    pointer-events: all;
}

.container.sign-up-mode .signin-signup {
    left: 25%;
}

.container.sign-up-mode form.sign-in-form {
    z-index: 1;
    opacity: 2;
}

.container.sign-up-mode form.sign-up-form {
    z-index: 2;
    opacity: 1;
}

@media (max-width: 870px) {
    .container {
        min-height: 800px;
        height: 100vh;
    }

    .container::before {
        width: 1500px;
        height: 1500px;
        left: 30%;
        bottom: 60%;
        transform: translateX(-50%);
        right: initial;
        top: initial;
        transition: 1s 0.8s ease-in-out;
    }

    .signin-signup {
        width: 100%;
        left: 50%;
        top: 95%;
        transform: translate(-50%, -100%);
        transition: 1s 0.8s ease-in-out;
    }

    .panels-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 2fr 1fr;
    }

    .panel {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 2.5rem 8%;
    }

    .panel .content {
        padding-right: 15%;
        transition: 1s 0.8s ease-in-out;
    }

    .panel h3 {
        font-size: 1.2rem;
    }

    .panel p {
        font-size: 0.7rem;
        padding: 0.5rem 0;
    }

    .btn.transparent {
        width: 110px;
        height: 35px;
        font-size: 0.7rem;
    }

    .image {
        width: 200px;
        transition: 0.9s 0.5s ease-in-out;
    }

    .left-panel {
        grid-row: 1 / 2;
    }

    .right-panel {
        grid-row: 3 / 4;
    }

    .right-panel .content,
    .right-panel .image {
        transform: translateY(300px);
    }

    .container.sign-up-mode::before {
        transform: translate(-50%, 100%);
        bottom: 32%;
        right: initial;
    }

    .container.sign-up-mode .left-panel .image,
    .container.sign-up-mode .left-panel .oontent {
        transform: translateY(-300px);
    }

    .container.sign-up-mode .signin-signup {
        top: 5%;
        transform: translate(-50%, 0);
        left: 50%;
    }
}

@media (max-width: 570px) {
    form {
        padding: 0 1.5rem;
    }

    .logo {
        width: 200px;
        display: block;
    }
    .image {
        display: none;
    }

    .panel .content {
        padding: 0.5rem 1rem;
    }
    .container::before {
        bottom: 72%;
        left: 50%;
    }
    .container.sign-up-mode ::before {
        bottom: 28%;
        left: 50%;
    }
}



    .error-message {
    display: block;
    font-size: 0.82rem;
    margin-top: 3px;

    /* estilo minimalista */
    color: #d9534f;                 /* rojo suave */
    font-weight: 400;
    letter-spacing: 0.3px;

    /* animación delicada */
    opacity: 0;
    transform: translateY(-2px);
    animation: fadeIn 0.25s ease-out forwards;
}

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