@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body{
    background-color: #c9d6ff;
    background: linear-gradient(to right, #e2e2e2, #c9d6ff);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100vh;
}

.container{
    background-color: #fff;
    border-radius: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}

.container p{
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.3px;
    margin: 20px 0;
}

.container span{
    font-size: 12px;
}

.container a{
    color: #333;
    font-size: 13px;
    text-decoration: none;
    margin: 15px 0 10px;
}

.container button{
    background-color: #4a764e;
    color: #fff;
    font-size: 12px;
    padding: 10px 45px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 10px;
    cursor: pointer;
}

.container button.hidden{
    background-color: transparent;
    border-color: #fff;
}

.container form{
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    height: 100%;
}

.container input{
    background-color: #d9e4da;
    border: none;
    margin: 8px 0;
    padding: 10px 15px;
    font-size: 13px;
    border-radius: 8px;
    width: 100%;
    outline: none;
}

.form-container{
    position: absolute;
    top: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}

.sign-in{
    left: 0;
    width: 50%;
    z-index: 2;
}

.container.active .sign-in{
    transform: translateX(100%);
}

.sign-up{
    left: 0;
    width: 50%;
    opacity: 0;
    z-index: 1;
}

.container.active .sign-up{
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
    animation: move 0.6s;
}

@keyframes move{
    0%, 49.99%{
        opacity: 0;
        z-index: 1;
    }
    50%, 100%{
        opacity: 1;
        z-index: 5;
    }
}

.social-icons{
    margin: 20px 0;
}

.social-icons a{
    border: 1px solid #ccc;
    border-radius: 20%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin: 0 3px;
    width: 40px;
    height: 40px;
}

.toggle-container{
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: all 0.6s ease-in-out;
    border-radius: 150px 0 0 100px;
    z-index: 1000;
}

.container.active .toggle-container{
    transform: translateX(-100%);
    border-radius: 0 150px 100px 0;
}

.toggle{
    background-color: #4a764e;
    height: 100%;
    background: linear-gradient(to right, #4a764e, #4a764e); /* colores del cuadrado */
    color: #141313;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateX(0);
    transition: all 0.6s ease-in-out;
}

.container.active .toggle{
    transform: translateX(50%);
}

.toggle-panel{
    position: absolute;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 30px;
    text-align: center;
    top: 0;
    transform: translateX(0);
    transition: all 0.6s ease-in-out;
}

.toggle-left{
    transform: translateX(-200%);
}

.container.active .toggle-left{
    transform: translateX(0);
}

.toggle-right{
    right: 0;
    transform: translateX(0);
}

.container.active .toggle-right{
    transform: translateX(200%);
}

/* ===========================
   🔻 Versión responsive móvil
   =========================== */
@media (max-width: 768px) {

    body{
        height: auto;
        padding: 20px 10px;
    }

    .container{
        width: 100%;
        max-width: 420px;
        min-height: 540px;
        border-radius: 20px;
    }

    .container form{
        padding: 20px;
        height: auto;
    }

    .container p{
        margin: 10px 0;
        font-size: 13px;
    }

    .container button{
        width: 100%;
        padding: 10px 0;
    }

    .container input{
        font-size: 14px;
        padding: 12px 15px;
    }

    /* Formularios a ancho completo, con fade entre login/registro */
    .form-container{
        position: relative;
        width: 100%;
        height: auto;
    }

    .sign-in,
    .sign-up{
        left: 0;
        width: 100%;
        transform: none; /* sin deslizar en X en móvil */
    }

    .sign-in{
        z-index: 2;
        opacity: 1;
        position: relative;
    }

    .sign-up{
        z-index: 1;
        opacity: 0;
        position: absolute;
        top: 0;
        left: 0;
    }

    .container.active .sign-in{
        opacity: 0;
        z-index: 1;
    }

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

    /* Toggle pasa a estar debajo, sin animaciones locas */
    .toggle-container{
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
        height: auto;
        margin-top: 20px;
        border-radius: 15px;
        transform: none !important;
    }

    .toggle{
        left: 0;
        width: 100%;
        transform: none !important;
        border-radius: 15px;
    }

    .toggle-panel{
        position: relative;
        width: 100%;
        height: auto;
        padding: 15px 20px;
        transform: none !important;
    }

    .toggle-left,
    .toggle-right,
    .container.active .toggle-left,
    .container.active .toggle-right{
        transform: none !important;
    }

    .toggle-panel h1{
        font-size: 18px;
    }

    .toggle-panel p{
        font-size: 13px;
    }

    .container button.hidden{
        width: auto;
        padding: 8px 20px;
        margin-top: 10px;
    }
}