:root{
    --accento: #1254e4;
    --sfondo: color-mix(in srgb, var(--accento) 10%, #FFF 90%);
    --accento-l1: color-mix(in srgb, var(--accento) 5%, #FFF 95%);
    --accento-l2: color-mix(in srgb, var(--accento) 20%, #FFF 80%);
    --gap: 1rem;
}

body{
    min-height: 100dvh;
    gap: var(--gap);
    display: grid;
    place-items: center;
    background-color: var(--sfondo);
    padding: calc(var(--gap) * 2);

    font-family: "Roboto Mono", monospace;
    font-optical-sizing: auto;
    font-style: normal;
}

body.risultato #calcola{
    display: none;
}

body:not(.risultato) #risultato{
    display: none;
}

body > .flex-col{
    gap: calc(var(--gap) * 2);

}

.form-group{
    margin-inline: auto;
    width: 100%;
    align-items: flex-end;
    padding: var(--gap);
    gap: calc(var(--gap) / 4);
    border-radius: calc(var(--gap) / 2);
    border: 2px solid var(--accento-l2);
    position: relative;
}

.form-group::after{
    content: attr(data-name);
    position: absolute;
    top: calc(-.75 * var(--gap));
    padding-inline: calc(var(--gap) / 2);
    left: var(--gap);
    background-color: var(--sfondo);
}

.form-group#condizione{
    align-items: center;
    gap: var(--gap);
}

#condizione > .flex-row{
    gap: var(--gap);
}

#info-subnet{
    gap: calc(var(--gap) / 2);
}

#info-subnet > .flex-row:first-child{
    width: 100%;
    gap: var(--gap);
    margin-bottom: calc(var(--gap) / 2);
}

#info-generali{
    max-width: 32rem;
    text-wrap: pretty;
}

.form-row{
    justify-content: space-between;
    width: 100%;
}

label{
    white-space: nowrap;
}

input, select{
    padding: calc(var(--gap) / 4);
    border-radius: calc(var(--gap) / 4);
    background-color: var(--accento-l1);
    flex-grow: 1;
    outline: 2px solid #0000;
    transition: outline-color .2s ease;
}

input[type='number'] {
    -moz-appearance:textfield;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

input:focus-visible, select:focus-visible{
    outline-color: var(--accento);
}

button{
    width: fit-content;
    padding: calc(var(--gap) / 2) var(--gap);
    border-radius: calc(var(--gap) / 4);
    background-color: var(--accento);
    color: var(--sfondo);
    cursor: pointer;
    margin-inline: auto;
    font-size: 1rem;
    transition: filter .3s ease;
}

button:disabled{
    background-color: var(--accento-l2);
    cursor: not-allowed;
}

button:not(:disabled):hover{
    filter: brightness(1.1) saturate(1.1);
}

.accento{
    color: var(--accento);
    font-weight: bold;
}


#info-subnet .flex-row p{
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (width < 768px){

    .form-group{
        flex-direction: column;
        align-items: center;
    }

    .form-group > span{
        line-height: .5;
    }

    input, select{
        width: 100%;
    }

    #info-subnet{
        gap: var(--gap);
    }

    #info-subnet{
        max-width: calc(100% - var(--gap) / 2);
    }

    #info-subnet .flex-row{
        margin-bottom: 0 !important;
        flex-direction: column;
    }

    #info-subnet > .flex-row:first-child{
        gap: calc(var(--gap) / 2);
        flex-direction: row;
    }

    #info-subnet select{
        width: 100%;
    }

    #info-subnet label{
        padding-left: calc(var(--gap) / 4);
    }
}