/* 统计筛选离散滑块：短时、可感知、支持 reduced-motion。 */
#stats-tab > .section:first-child {
    position: relative;
    z-index: 2;
    overflow: visible !important;
}

#stats-tab .stats-filter-bar {
    position: relative;
    z-index: 1;
}

.stats-range {
    position: relative;
    width: 100%;
}

.stats-range-control {
    --stats-range-progress: 0%;
    display: grid;
    gap: 8px;
    width: 100%;
    min-height: 72px;
    padding: 8px 2px 0;
    border-radius: var(--ui-radius-sm);
    transition: background-color 180ms cubic-bezier(.4, 0, .2, 1),
        box-shadow 180ms cubic-bezier(.4, 0, .2, 1),
        transform 180ms cubic-bezier(.4, 0, .2, 1);
    transition-timing-function: cubic-bezier(.4, 0, .2, 1);
}

.stats-range:not(.is-enhanced) .stats-range-control {
    display: none;
}

.stats-range.is-enhanced .stats-range-native {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.stats-range-control.is-interacting,
.stats-range-control:focus-within {
    background: color-mix(in srgb, var(--ui-accent-soft) 30%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ui-accent-soft) 55%, transparent);
    transform: translateY(-1px);
    transition-timing-function: ease-out;
}

.stats-range-control:not(.is-interacting):not(:focus-within) {
    transition-timing-function: ease-in;
}

.stats-range-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
}

.stats-range-hint {
    color: var(--ui-muted);
    font-size: 11px;
    font-weight: 650;
}

.stats-range-value {
    min-width: 0;
    overflow: hidden;
    color: var(--ui-text);
    font-size: 13px;
    font-weight: 780;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 180ms ease-out, transform 180ms ease-out;
}

.stats-range-input {
    width: 100%;
    height: 24px;
    margin: 0;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background: transparent;
    accent-color: var(--ui-accent);
}

.stats-range input[type="range"] {
    touch-action: pan-y;
}

.stats-range-input:focus-visible {
    outline: none;
}

.stats-range-input::-webkit-slider-runnable-track {
    height: 6px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        var(--ui-accent) 0 var(--stats-range-progress),
        color-mix(in srgb, var(--ui-border) 82%, transparent) var(--stats-range-progress) 100%
    );
    transition: background 180ms cubic-bezier(.4, 0, .2, 1);
}

.stats-range-input::-moz-range-track {
    height: 6px;
    border: 0;
    border-radius: 999px;
    background: color-mix(in srgb, var(--ui-border) 82%, transparent);
}

.stats-range-input::-moz-range-progress {
    height: 6px;
    border-radius: 999px;
    background: var(--ui-accent);
}

.stats-range-input::-webkit-slider-thumb {
    width: 18px;
    height: 18px;
    margin-top: -6px;
    appearance: none;
    -webkit-appearance: none;
    border: 2px solid var(--ui-on-accent);
    border-radius: 50%;
    background: var(--ui-accent);
    box-shadow: 0 3px 10px color-mix(in srgb, var(--ui-accent) 34%, transparent);
    transition: transform 180ms ease-out, box-shadow 180ms ease-out, background-color 180ms cubic-bezier(.4, 0, .2, 1);
}

.stats-range-input::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border: 2px solid var(--ui-on-accent);
    border-radius: 50%;
    background: var(--ui-accent);
    box-shadow: 0 3px 10px color-mix(in srgb, var(--ui-accent) 34%, transparent);
    transition: transform 180ms ease-out, box-shadow 180ms ease-out, background-color 180ms cubic-bezier(.4, 0, .2, 1);
}

.stats-range-control.is-interacting .stats-range-input::-webkit-slider-thumb,
.stats-range-input:focus-visible::-webkit-slider-thumb {
    transform: scale(1.16);
    box-shadow: 0 0 0 6px var(--ui-accent-soft), 0 4px 12px color-mix(in srgb, var(--ui-accent) 42%, transparent);
}

.stats-range-control.is-interacting .stats-range-input::-moz-range-thumb,
.stats-range-input:focus-visible::-moz-range-thumb {
    transform: scale(1.16);
    box-shadow: 0 0 0 6px var(--ui-accent-soft), 0 4px 12px color-mix(in srgb, var(--ui-accent) 42%, transparent);
}

.stats-range-scale {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    min-width: 0;
    color: var(--ui-muted);
    font-size: 10px;
    line-height: 1.2;
}

.stats-range-tick {
    min-width: 0;
    overflow: hidden;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 180ms cubic-bezier(.4, 0, .2, 1), font-weight 180ms ease-out;
}

.stats-range-tick.is-active {
    color: var(--ui-accent-strong);
    font-weight: 800;
    transition-timing-function: ease-out;
}

@media (max-width: 760px) {
    .stats-range-control {
        min-height: 78px;
        padding-inline: 0;
    }

    .stats-range-input {
        height: 28px;
    }

    .stats-range-scale {
        font-size: 9px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .stats-range-control,
    .stats-range-value,
    .stats-range-input::-webkit-slider-runnable-track,
    .stats-range-input::-webkit-slider-thumb,
    .stats-range-input::-moz-range-thumb,
    .stats-range-tick {
        transition-duration: 120ms;
        transition-timing-function: ease-out;
    }

    .stats-range-control.is-interacting,
    .stats-range-control:focus-within {
        transform: none;
    }

    .stats-range-control.is-interacting .stats-range-input::-webkit-slider-thumb,
    .stats-range-input:focus-visible::-webkit-slider-thumb,
    .stats-range-control.is-interacting .stats-range-input::-moz-range-thumb,
    .stats-range-input:focus-visible::-moz-range-thumb {
        transform: none;
    }
}