body{
    background: #020617;
    margin: 0;
    padding: 0;
    font-family: 'Orbitron', sans-serif;
}

sup{
    vertical-align: baseline;
    position: relative;
    line-height: 0;
    font-size: 75%;
    top: -0.5em;
}

.footer{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    color: #00E5FF;
    font-size: 14px;
    gap: 24px;
}

#gitLogo{
    width: 35px;
}
.gitHub-Info{
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}

.layout-container{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    gap: 8px;
    min-width: 100vw;
    min-height: 100vh;
    padding-top: 24px;
}

.calculator-body{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: clamp(350px, 75vw, 600px);
    height: fit-content;
    background: #0B1220;
    border: 6px solid #0F1C2E;
    border-radius: 10px;
    box-shadow: 0 0 6px #00E5FFFF,
                0 0 16px #00E5FF99,
                0 0 28px #00E5FF33;
    padding: 32px;
}

.calculator-display{
    display: flex;
    background: #030B14;
    height: 100px;
    width: 100%;
    color: #00E5FF;
    box-shadow: 0 0 16px #00E5FFFF,
                0 0 20px #00E5FF99,
                0 0 35px #00E5FF33,
                inset 0 0 20px #00E5FF22;
    font-size: 48px;
    align-items: center;
    justify-content: flex-end;
    box-sizing: border-box;
    padding: 0 12px;
    overflow: hidden;
    text-wrap: nowrap;
}

.calculator-keys-grid{
    display: grid;
    width: 100%;
    gap: 0.25em;
    grid-template-columns: repeat(5, minmax(50px, 1fr));
    aspect-ratio: 1/1;
    grid-template-rows: repeat(6, 1fr);
    grid-template-areas:
    "negpos blank blank aclear clear"
    "mc mr madd msub root"
    "seven eight nine div pow"
    "four five six mult mod"
    "one two three sub equal"
    "zero zero period add equal";
}

.key{
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0F172A;
    color: #00E5FF;
    border: 1px solid #00E5FF;
    box-shadow: 0 0 16px #00E5FF99;
    font-family: inherit;
    font-variant-numeric: tabular-nums;
    letter-spacing: 2px;
    font-size: 24px;
    text-shadow: 0 0 24px #00E5FF;
}

.key:hover{
    box-shadow: 0 0 18px #00E5FFCC;
}

.key:active{
    background: #0A2233;
    box-shadow: 0 0 20px #00E5FFFF,
                0 0 30px #00E5FF99;
}

.small-btn{
    font-size: 32px;
}

.equal{
    /*background: #00E5FF;*/
    background: linear-gradient(to bottom, #00F0FF, #00C8D8);
    color: #031018;
    box-shadow: 0 0 20px #00E5FF99,
                inset 0 -4px 8px#00000040,
                inset 0 0 10px #00E5FF66;
}
.equal:hover{
    box-shadow: 0 0 18px #00E5FFCC;
}
.equal:active{
    background: #33EEFF;
    box-shadow: 0 0 20px #00E5FFFF,
                0 0 30px #00E5FF99;
}

.operator:active{
    color: #FF3B3B;
    border-color: #FF3B3B;
    box-shadow: 0 0 20px #FF3B3BFF,
                0 0 30px #FF3B3B66,
                inset 0 0 8px #FF3B3BFF,
                inset 0 0 20px #FF3B3B66;
}

.operator.selected {
    color: #FF3B3B;
    border-color: #FF3B3B;
    box-shadow: 0 0 20px #FF3B3BFF,
    0 0 30px #FF3B3B66,
    inset 0 0 8px #FF3B3BFF,
    inset 0 0 20px #FF3B3B66;
}

.clear:active{
    color: #FFB020;
    border-color: #FFB020;
    box-shadow: 0 0 20px #FFB020CC;
}