:root {
    --timeline-height: 8px;
    --timeline-radius: 10px;
    --timeline-track: #3e3e3e;
    --timeline-track-hover: #4b4848;
    --timeline-progress: #7d7d7d;
    --timeline-thumb-size: 16px;
    --timeline-thumb-color: #d9cabf;
    --timeline-thumb-border: #666;
    --timeline-thumb-hover: #e0e0e0;
}

.timeline-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px;
}

.timeline-container>div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.timeline {
    margin: 0 10px;
    flex-grow: 1;
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    height: var(--timeline-height);
    background: var(--timeline-track);
    border-radius: var(--timeline-radius);
    cursor: pointer;
    outline: none;
    transition: background 0.2s;

    &:hover {
        background: var(--timeline-track-hover);
    }

    &::-webkit-slider-runnable-track {
        height: var(--timeline-height);
        border-radius: var(--timeline-radius);
    }

    &::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: var(--timeline-thumb-size);
        height: var(--timeline-thumb-size);
        border-radius: 50%;
        background: var(--timeline-thumb-color);
        border: 2px solid var(--timeline-thumb-border);
        cursor: pointer;
        margin-top: calc((var(--timeline-height) / 2) - (var(--timeline-thumb-size) / 2));
        transition: background 0.15s, transform 0.1s;

        &:hover {
            background: var(--timeline-thumb-hover);
            transform: scale(1.1);
        }
    }

    &::-moz-range-track {
        height: var(--timeline-height);
        border-radius: var(--timeline-radius);
        background: var(--timeline-track);
    }

    &::-moz-range-thumb {
        width: var(--timeline-thumb-size);
        height: var(--timeline-thumb-size);
        border-radius: 50%;
        background: var(--timeline-thumb-color);
        border: 2px solid var(--timeline-thumb-border);
        cursor: pointer;
        transition: background 0.15s, transform 0.1s;

        &:hover {
            background: var(--timeline-thumb-hover);
            transform: scale(1.1);
        }
    }

    &::-ms-track {
        background: transparent;
        border-color: transparent;
        color: transparent;
        height: var(--timeline-height);
    }

    &::-ms-fill-upper {
        background: var(--timeline-track);
        border-radius: var(--timeline-radius);
    }

    &::-ms-thumb {
        width: var(--timeline-thumb-size);
        height: var(--timeline-thumb-size);
        border-radius: 50%;
        background: var(--timeline-thumb-color);
        border: 2px solid var(--timeline-thumb-border);
        cursor: pointer;
    }
}