/* Expand long-press ring so it is visible above the finger while holding. */
:root {
    --hold-ring-expand-scale: 3;
    --hold-ring-active-z: 2147483000;
    --hold-ring-circumference: 125.6637061436;
    --hold-ring-hidden-pad: 1;
}

.hold-btn-container,
.home-btn-container,
.surrender-btn-container {
    --hold-ring-scale: 1;
    overflow: visible;
}

.hold-btn-progress,
.home-btn-progress,
.home-btn-svg,
.surrender-btn-progress {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform-origin: 50% 50%;
    transform: translate(-50%, -50%) rotate(-90deg) scale(var(--hold-ring-scale));
    transition: transform 120ms ease;
    pointer-events: none;
}

.hold-btn-progress circle,
.home-btn-progress circle,
.home-btn-svg circle,
.surrender-btn-progress circle {
    vector-effect: non-scaling-stroke;
}

.hold-btn-fill,
.home-btn-fill,
.surrender-btn-fill {
    opacity: 0;
    visibility: hidden;
    stroke-dasharray: var(--hold-ring-circumference);
    stroke-dashoffset: calc(var(--hold-ring-circumference) + var(--hold-ring-hidden-pad));
}

.hold-btn-container.hold-ring-expanded,
.home-btn-container.hold-ring-expanded,
.surrender-btn-container.hold-ring-expanded,
.hold-btn-container:active,
.home-btn-container:active,
.surrender-btn-container:active {
    --hold-ring-scale: var(--hold-ring-expand-scale);
    z-index: var(--hold-ring-active-z) !important;
    isolation: isolate;
}

/* Only promote wrappers that otherwise clip child z-index (side-action-stack). */
.side-action-stack:has(.home-btn-container.hold-ring-expanded),
.side-action-stack:has(.home-btn-container:active) {
    z-index: var(--hold-ring-active-z) !important;
    isolation: isolate;
}