.input-label {
    margin-bottom: 10px !important;
    display: block;
}
.pre-math-wrapper {
    display: flex;
    background-color: var(--bg-main);
    border-radius: 12px;
    margin-bottom: 10px;
}

.math-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin: 0px 0;
    align-items: flex-start;
    background-color: var(--bg-main);
    padding: 22px;
    padding-right: 0;
}

.point-box {
    display: flex;
    align-items: center;
    gap: 15px;
}

.point-letter {
    font: italic bold 28px "Times New Roman", serif;
    color: #2c3e50;
}
.inputs-group {
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 10px;
    gap: 10px;
}
    .inputs-group::before, .inputs-group::after {
        content: "";
        position: absolute;
        top: -10px;
        bottom: -10px;
        width: 15px;
        border: 1.5px solid #555;
    }

    .inputs-group::before {
        left: 0;
        border-right: none;
        border-radius: 12px 0 0 12px;
    }

    .inputs-group::after {
        right: 0;
        border-left: none;
        border-radius: 0 12px 12px 0;
    }
.tb {
    width: 65px;
    height: 35px;
    border: 1px solid #ccc;
    border-radius: 5px;
    text-align: center;
    font-size: 16px;
    background: #fff;
    position: relative;
}
    .tb:not(:last-child)::after {
        content: ";";
        position: absolute;
        right: -8px;
        top: 5px;
        font-size: 18px;
        color: #999;
    }
.point-box:not(.is-3d) .z-input {
    display: none;
}
.inputs-group .tb {
    margin-right: 0px; 
    outline: none !important;
}
.point-box:not(.is-3d) #y1, .point-box:not(.is-3d) #y2 {
    margin-right: 0;
}