@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans';
}
body{
    color: #202124;
    background-color: #f8f9fd;
}
header{
    /* background-color: #254367; */
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 1px 2px #3640434d, 0 1px 3px 1px #36404326;

}
header .contenido-header{
    max-width: 1300px;
    margin: auto;
    /* color: #fff; */
    color: #202124;
    display: flex;
    align-items: center;
    position: relative;
}
.opciones-sistema{
    position: absolute;
    right: 0;
    bottom: 0;
}
.opciones-sistema a{
    color: #1967d2;
    text-decoration: none;
    font-size: 12px;
    margin-right: 20px;
}
header img{
    width: 50px;
    margin-right: 20px;
}

main{
    max-width: 1300px;
    margin: auto;
    padding: 20px;
}
.contenido-main{
    padding: 10px;
    background-color: #fff;
    box-shadow: 
        0 1px 1px #3640434d,  /* Sombra superior */
        0 -1px 1px #3640434d, /* Sombra inferior */
        -1px 0 1px #3640434d, /* Sombra izquierda */
        1px 0 1px #3640434d;  /* Sombra derecha */
        border-radius: 10px;
    margin-bottom: 25px ;
}
.contenido-main h3{
    border-bottom: 1px solid #3640434d ;
    margin-bottom: 10px;
}
.materias{
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.materias a{
    background-color: #e9f0fe;
    /* background-color: #254367; */
    /* color: #fff; */
    color: #1967d2;
    text-decoration: none;
    display: block;
    width: 180px;
    height: 100px;
    margin-right: 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: bold;
    border-bottom: 7px solid #1967d2;
    border-radius: 10px;
    transition: .3s;
}
.materias a:hover{
    background-color: #1967d2;
    color: #fff;
}
#modal{
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0,0,0,.8);
    width: 100%;
    height: 100%;
    z-index: 20px;
   
}
#modal-content{
    max-width: 800px;
    margin: auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    font-size: 12px;
}
#modal-content #nombre-alumno{
    color: #ff4231;

}
#modal-content .titulo-modal{
    text-align: center;
    margin-bottom: 15px;
}
#modal-content .fila{
    display: flex;
    margin-bottom: 20px;
    border: 1px solid #ccc  ;
    padding: 20px;
    border-radius: 10px;
}
#modal-content .fila .col{
    width: 100px;
    margin-right: 10px;
}
#modal-content .fila .col input{
    width: 80%;
    text-align: center;
    padding: 5px 0;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    border: none;
    border: 2px solid #ccc;
}
.btn-accion{
    background-color: #ff4231;
    color: #fff;
    border: none;
    font-weight: bold;
    padding: 5px 7px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
}
.comentario-ingles{
    width: 100% !important;
}
.comentario-ingles input{
    width: 100%;
    text-align: left !important;
    font-weight: normal !important;
    padding: 0 10px !important  ;
}

.nombre-alumno{
    text-align: left;
    cursor: pointer;  
}
.fila-seleccionada:hover{
    background-color: #1967d2;
    color: #fff;

}
div .botones{
    display: flex;
    justify-content: space-between;
}
.btn-salir{
    background-color: #000;
    color: #fff;
    border: none;
    font-weight: bold;
    padding: 5px 7px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
}

.formulario-sesion{
    max-width: 500px;
    margin: auto;
    padding: 40px 30px;
    background-color: #fff;
    box-shadow: 
        0 1px 1px #3640434d,  /* Sombra superior */
        0 -1px 1px #3640434d, /* Sombra inferior */
        -1px 0 1px #3640434d, /* Sombra izquierda */
        1px 0 1px #3640434d;  /* Sombra derecha */
        border-radius: 10px;
    margin-top: 50px;
}
.formulario-sesion .entrada{
    margin-bottom: 20px;
}
.formulario-sesion label{
    display: block;
}
.formulario-sesion .entrada input{
    width: 100%;
    padding: 5px 10px;
    border: none;
    border: 1px solid #ccc;
    border-radius: 30px;
    font-size: 18px;
}
.formulario-sesion .btn{
    background-color: #1967d2;
    color: #fff;
    border: none;
    padding: 7px 10px;
    border-radius: 5px;
    width: 100%;
}
.contenedor-formulario{
    padding: 0 20px;
}




@media screen and  (max-width:550px){
    header h1{
        font-size: 20px;
    }
}