body {
    background-color: #3c3c3c;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.calculator-body {
    background-color: rgba(30,30,30,1);
    border-radius: 20px;
    padding: 10px;
    width: 222px;
    height: 364px;
}

.display-container{
    height: 84px;
    display: flex;
}

input[type="text"] {
    background-color: transparent;
    border-width: 0px;
    text-align: right;
    font-size: 32px;
    color: rgba(255,255,255,1);
    width: 100%;
    margin-bottom: 10px;
}

.btn-grid {
    display: grid;
    grid-template-columns: 48px 48px 48px 48px;
    gap: 10px;
}

[type="button"] {
    background-color: #2F2F2F;
    min-height: 48px;
    min-width: 48px;
    font-size: 16px;
    color: white;
    border-radius: 8px;
    box-shadow: inset 0px 2px 2px 0px rgba(47,47,47,1),
                inset 0px 6px 6px 0px rgba(255,255,255,0.14),
                inset 0px -4px 4px 0px rgba(0,0,0,0.3);
    border-width: 0px;
    cursor: pointer;
}

[type="button"]:active {
    box-shadow: inset 0px 0px 0px 0px rgba(47,47,47,1),
                inset 0px 0px 0px 0px rgba(255,255,255,0.14),
                inset 0px -4px 4px 0px rgba(0,0,0,0.2);
}

[type="button"][value="="] {
    width: 106px;
}

.colored-btn {
    color: rgba(72,181,0,1)
}

.footer {
    justify-content: center;
}

p {
    color: white;
    font-size: 1em;
    margin-top: 20px;
    text-align: center;
}

.top {
    align-content: start;
    align-items: start;
    justify-items:end;
}

.mouse-tracker {
    background-color: rgba(191,128,97,1);
    width: 58px;
    height: 60px;
    display: flex;
    justify-content: center;
    padding-top: 13px;
    padding-right: 4px;
    padding-left: 4px;
    gap: 4px;
    margin-bottom: -30px;
    margin-right: 140px;
    border-radius: 20px;
    box-shadow: inset 0px 4px 4px rgba(99,72,59,0.6);
}

.eyes {
    top: -40px;
    display: flex;
    gap: 8px;
}

.eye {
    background-color: white;
    width: 20px;
    height:20px;
    border-radius: 50%;
    margin-top: 2px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0px 4px 4px rgba(0,0,0,0.4),
                inset 0px -4px 4px rgba(0,0,0,0.4);
}

.eye::before {
    content: "";
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: black;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(
        calc(-50% + var(--pupil-x, 0px)),
        calc(-50% + var(--pupil-y, 0px))
    );
}



.right-hand {
    background-color: rgba(191,128,97,1);
    width: 30px;
    height: 36px;
    position: absolute;
    margin-right: -110px;
    margin-top: 14px;
    border-radius: 20px;
    transform: rotate(170deg);
    box-shadow: inset 0px 4px 4px rgba(99,72,59,0.6);
}

.left-hand {
    background-color: rgba(191,128,97,1);
    width: 30px;
    height: 38px;
    position: absolute;
    margin-right: 104px;
    margin-top: 36px;
    border-radius: 20px;
    transform: rotate(90deg);
    box-shadow: inset 0px 4px 4px rgba(99,72,59,0.6);
}