/**
 * v3-range-slider - a shared dual-handle range slider (two overlapping
 * native <input type="range"> elements, transparent tracks, custom-styled
 * thumbs, a colored fill bar between them).
 *
 * Markup shape:
 *   <div class="v3-range-slider">
 *     <div class="v3-range-track"></div>
 *     <div class="v3-range-fill" style="left:X%;right:Y%"></div>
 *     <input type="range" class="v3-range-input v3-range-min">
 *     <input type="range" class="v3-range-input v3-range-max">
 *   </div>
 */
.v3-range-slider {
    position: relative;
    height: 28px;
    display: flex;
    align-items: center;
    touch-action: pan-y;
}

.v3-range-track {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 4px;
    transform: translateY(-50%);
    border-radius: 9999px;
    background: rgb(var(--color-border));
    pointer-events: none;
}

.v3-range-fill {
    position: absolute;
    top: 50%;
    height: 4px;
    transform: translateY(-50%);
    border-radius: 9999px;
    background: rgb(var(--color-primary));
    pointer-events: none;
}

/* Both inputs stack in the same box - pointer-events:none here keeps the
   top one from eating every click across its full width. */
.v3-range-input {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    width: 100%;
    height: 28px;
    margin: 0;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    pointer-events: none;
    z-index: 2;
}

/* The focused/dragged handle comes fully to front, so two thumbs at the same value don't fight over the next drag. */
.v3-range-input.v3-range-max {
    z-index: 3;
}
.v3-range-input:focus {
    z-index: 4;
}

.v3-range-input::-webkit-slider-runnable-track {
    -webkit-appearance: none;
    background: transparent;
    height: 28px;
}
.v3-range-input::-moz-range-track {
    background: transparent;
    height: 28px;
    border: none;
}

.v3-range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    pointer-events: auto;
    width: 18px;
    height: 18px;
    margin-top: 5px;
    border-radius: 9999px;
    background: rgb(var(--color-primary));
    border: 2px solid rgb(var(--color-bg));
    box-shadow: 0 1px 4px rgb(0 0 0 / 0.3);
    cursor: grab;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.v3-range-input::-moz-range-thumb {
    pointer-events: auto;
    width: 18px;
    height: 18px;
    border-radius: 9999px;
    background: rgb(var(--color-primary));
    border: 2px solid rgb(var(--color-bg));
    box-shadow: 0 1px 4px rgb(0 0 0 / 0.3);
    cursor: grab;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.v3-range-input:hover::-webkit-slider-thumb,
.v3-range-input:focus-visible::-webkit-slider-thumb {
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgb(var(--color-primary) / 0.18), 0 1px 4px rgb(0 0 0 / 0.3);
}
.v3-range-input:hover::-moz-range-thumb,
.v3-range-input:focus-visible::-moz-range-thumb {
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgb(var(--color-primary) / 0.18), 0 1px 4px rgb(0 0 0 / 0.3);
}

.v3-range-input:active::-webkit-slider-thumb {
    cursor: grabbing;
    transform: scale(1.1);
}
.v3-range-input:active::-moz-range-thumb {
    cursor: grabbing;
    transform: scale(1.1);
}

/* Larger touch targets on phone widths - 18px is precise enough for a
   mouse but fussy to grab with a fingertip. */
@media (max-width: 640px) {
    .v3-range-input::-webkit-slider-thumb {
        width: 22px;
        height: 22px;
        margin-top: 3px;
    }
    .v3-range-input::-moz-range-thumb {
        width: 22px;
        height: 22px;
    }
}