@import url("https://fonts.googleapis.com/css2?family=League+Spartan:wght@400;500;600;700;800;900&display=swap");

*,
*::after,
*::before {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    min-height: 100vh;
}

body{
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(to right, #ab45ba, #1d71e8);
}

body {
    font-size: 1.1rem;
    line-height: 1.2;
}

ul {
    list-style: none;
}

.main {
    max-width: 75rem;
    padding: 3em 1.5em;
}


.cards {
    position: relative;
}


.converter{
    
   
    margin: auto;
    padding: 20px;
   
    border-radius: 10px;
    
}
.card {
    --flow-space: 2em;
    --hsl: var(--hue), var(--saturation), var(--lightness);
    flex: 1 1 14rem;
    max-width: 400px;
    padding: 1.5em 2em;
    display: grid;
    grid-template-rows: auto auto auto 1fr;
    align-items: start;
    gap: 1.25em;
    color: #eff1ec;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    background-color: #2b2b2b;
    border: 1px solid #eceff133;
    border-radius: 15px;
}

.card:nth-child(1) {
    --hue:165;
    --saturation: 99.26%;
    --lightness: 51.37%;
}


.flow > * + * {
    margin-top: var(--flow-space, 1.25em);
}

.cta {
    display: block;
    align-self: end;
    margin: 8em 0 3.85em 0;
    text-align: center;
    text-decoration: none;
    
  
    padding: 0.5em;
    border-radius: 10px;
    font-size: 2rem;
    font-weight: 900;
}
button:hover{
    background-color: #f1cb20;
    font-weight: bold;
    color: rgb(255, 0, 0);
    padding: 10px;
    border: none;
    width: 100%;
    cursor: pointer;
    border-radius: 10px;
  
}
button{
    color: rgb(0, 0, 0);
    padding: 10px;
    border: none;
    width: 100%;
    
    border-radius: 10px;
}


.overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    user-select: none;
    opacity: var(--opacity, 0);
    -webkit-mask: radial-gradient(
            25rem 25rem at var(--x) var(--y),
            #000 1%,
            transparent 50%
    );
    mask: radial-gradient(
            25rem 25rem at var(--x) var(--y),
            #000 1%,
            transparent 50%
    );
    transition: 400ms mask ease;
    will-change: mask;
}

.overlay .card {
    background-color: hsla(var(--hsl), 0.15);
    border-color: hsla(var(--hsl), 1);
    box-shadow: 0 0 0 1px inset hsl(var(--hsl));
}

.overlay .cta {
    display: block;
    grid-row: -1;
    width: 100%;
    background-color: hsl(var(--hsl));
    box-shadow: 0 0 0 1px hsl(var(--hsl));
}


/* mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm */

select, input{
    width: 96%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    outline: none;
}


#result{
    width: 80%;
    padding: 10px;
    margin-top: 10px;
    border: 1px solid #ccc;
    border-radius: 10px;
    outline: none;
    font-weight: bold;
    color: #393838;
}

@media screen and (max-width:500px){
    .converter{
        width: 90%;
    }
}

@keyframes fadeIn{
    from{
        opacity: 0;
    }
    to{
        opacity: 1;
    }
    h2{
        color: #333;
        
    }
}