* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: "Roboto", sans-serif;
}

body {
    background-image: url(../images/Cursos.jpeg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
}

main {
    width: 100%;
    padding: 20px;
    margin: auto;
    margin-top: 150px;
}

.contenedor__todo {
    width: 100%;
    max-width: 800px;
    margin: auto;
    position: relative;
}

.caja__trasera {
    width: 100%;
    padding: 10px 20px;
    display: flex;
    justify-content: center;
    backdrop-filter: blur(12px);
    background-color: rgba(0, 128, 0, 0.4);
}

.caja__trasera div {
    margin: 100px 40px;
    color: white;
    transition: all 500ms;
}

.caja__trasera div p,
.caja__trasera div button {
    margin-top: 30px;
}

.caja__trasera div h3 {
    font-weight: 400;
    font-size: 26px;
}

.caja__trasera button {
    padding: 10px 40px;
    border: 2px solid #fff;
    background-color: transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    outline: none;
    transition: all 300ms;
}

.caja__trasera button:hover {
    background: #fff;
    color: #097000;
}

/*Formularios*/
.contenedor__login-register {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 380px;
    position: relative;
    top: -185px;
    left: 10px;

    transition: left 500ms cubic-bezier(0.175, 0.885, 0.320, 1.275);
}

.contenedor__login-register form {
    padding: 80px 20px;
    background: #fff;
    position: absolute;
    border-radius: 20px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
}

.contenedor__login-register form h2 {
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
    color: #097000;
}

.inside-form {
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    border: none;
    background: #f2f2f2;
    font-size: 16px;
    outline: none;
}

.contenedor__login-register form button {
    padding: 10px 40px;
    margin-top: 40px;
    border: none;
    font-size: 14px;
    background: #097000;
    color: white;
    cursor: pointer;
    outline: none;
}

.formulario__login {
    opacity: 1;
    display: block;
}

.formulario__register {
    display: none;
}

.texto {
    font-size: 14px;
    color: red;
}

.error {
    color: #ff4500;
    font-size: 12px;
    visibility: hidden;
}

input:invalid~.error {
    visibility: visible;
}

/* Select */
/* Contenedor del select */
.custom-select-container {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-width: 300px;
    margin: 10px auto;
}

/* Etiqueta */
.custom-select-container label {
    font-family: Arial, sans-serif;
    font-size: 14px;
    color: #333;
    margin-bottom: 5px;
}

/* Estilo del select */
.custom-select {
    appearance: none;
    /* Elimina el estilo predeterminado del navegador */
    width: 100%;
    padding: 10px;
    font-size: 14px;
    font-family: Arial, sans-serif;
    color: #333;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Estilo al pasar el mouse o enfocar */
.custom-select:hover,
.custom-select:focus {
    border-color: #00db25;
    background-color: #fff;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 236, 4, 0.685);
}

/* Flecha personalizada */
.custom-select-container {
    position: relative;
}

.custom-select {
    position: relative;
    padding-right: 30px;
}

.custom-select-container::after {
    content: '▼';
    /* Flecha */
    font-size: 12px;
    color: #333;
    position: absolute;
    right: 10px;
    top: 50%;
    pointer-events: none;
    /* Para que no interfiera con el clic */
}

/* Contenedor del logo */
.navbar {
    display: flex;
    justify-content: center;
    /* Distribuye elementos a los extremos */
    align-items: center;
    /* Alinea elementos verticalmente */
    padding: 10px 20px;
    background-color: #d4d4d4;
    /* Fondo oscuro */
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar-logo .logo {
    height: 60px;
    /* Ajusta el tamaño del logo */
    width: auto;
}

.horizontal-line {
    width: 100%;
    /* Ocupa todo el ancho de la pantalla */
    height: 20px;
    /* Altura de la línea */
    background-color: #84bc1b;
    /* Color de la línea */
    margin: 0;
    /* Elimina márgenes */
}

/*Responsive Design*/

@media screen and (max-width: 850px) {
    main {
        margin-top: 50px;
    }

    .caja__trasera {
        max-width: 350px;
        height: 300px;
        flex-direction: column;
        margin: auto;
    }

    .caja__trasera div {
        margin: 0;
        position: absolute;
    }

    /*Formulario*/
    .contenedor__login-register {
        top: -10px;
        left: -5px;
        margin: auto;
    }

    .contenedor__login-register form {
        position: relative;
    }
}