@charset "utf-8";
/* CSS Document */

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

body{
    background:#eef2f7;
    height:100vh;
}

/* ENCABEZADO */

header{
    height:60px;
    background:#FFF;
    color:#fff;
    display:flex;
    align-items:center;
    padding:0 20px;
    gap:20px;
}

header h1{
    font-size:22px;
}

#btnMenu{
    display:none;
    background:#2563eb;
    color:white;
    border:none;
    padding:10px 15px;
    border-radius:6px;
    cursor:pointer;
    font-size:16px;
}

/* CONTENEDOR */

.contenedor{
    display:flex;
    height:calc(100vh - 60px);
}

/* MENÚ */

.menu{
    width:280px;
    background:#FFF;
    color:white;
    overflow-y:auto;
    padding:20px;
    transition:.3s;
}

.menu h2{
    margin-bottom:20px;
}

.menu a{
    display:block;
    color:white;
    text-decoration:none;
    background:#374151;
    padding:14px;
    margin-bottom:12px;
    border-radius:8px;
    transition:.3s;
}

.menu a:hover{
    background:#CCC;
    transform:translateX(6px);
}

/* VISOR */

.contenido{
    flex:1;
    background:white;
}

iframe{
    width:100%;
    height:100%;
    border:none;
}

/* TABLET */

@media(max-width:900px){

.menu{
    width:230px;
}

}

/* CELULAR */

@media(max-width:768px){

#btnMenu{
    display:block;
}

header h1{
    font-size:18px;
}

.contenedor{
    position:relative;
}

.menu{
    position:absolute;
    left:-100%;
    top:0;
    width:260px;
    height:100%;
    z-index:1000;
    box-shadow:4px 0 15px rgba(0,0,0,.3);
}

.menu.activo{
    left:0;
}

.contenido{
    width:100%;
}

}

/* CELULARES PEQUEÑOS */

@media(max-width:480px){

header{
    padding:0 10px;
}

header h1{
    font-size:16px;
}

.menu{
    width:220px;
}

}