.range-slider {
    width: 100%;
    margin: 10px 0;
    -webkit-appearance: none;
    background: transparent;
    height: 2px;
}
.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    border: 2px solid #fff;
    transition: all 0.2s;
}
.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.range-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    background: #eee;
    border-radius: 2px;
}