.completion-slider {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 70px;

    background: #f0f0f0;
    border-radius: 35px;

    overflow: hidden;
    user-select: none;
    touch-action: none;
}

.slider-left,
.slider-right {
    position: absolute;
    top: 0;
    height: 100%;
    width: 50%;

    display:flex;
    align-items:center;
    justify-content:center;

    font-weight:bold;
}

.slider-left {
    left:0;
    color:#d32f2f;
}

.slider-right {
    right:0;
    color:#2e7d32;
}

.slider-knob {
    position:absolute;
    top:5px;
    left:calc(50% - 30px);

    width:60px;
    height:60px;

    background:#1976d2;
    color:white;

    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:24px;
    font-weight:bold;

    cursor:pointer;

    transition:.15s;
}

.slider-knob.active {
    transform: scale(1.1);
}

.slider-left,
.slider-right {
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
}

.completion-slider {
    position: relative;
    height: 70px;
    border-radius: 35px;
    background: #198754;
    color: white;
    overflow: hidden;
}

.slider-message {
    position: absolute;
    inset: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    font-weight: 600;
    font-size: 1rem;
}

.slider-knob {
    position: absolute;
    top: 5px;
    left: calc(50% - 30px);

    width: 60px;
    height: 60px;

    border-radius: 50%;
    background: white;

    z-index: 10;

    opacity: 0;
    transition: opacity 0.2s ease;

}