.ui-swipeback {
  position: relative; display: block; width: 100%; height: 100%; min-height: 0; overflow: hidden; overscroll-behavior-x: contain; touch-action: pan-y pinch-zoom;
  background: var(--ui-subtle); color: var(--ui-fg); font: 15px/1.5 var(--ui-font); container-type: inline-size;
}
.ui-swipeback-behind, .ui-swipeback-front { position: absolute; inset: 0; }
.ui-swipeback-behind { visibility: hidden; overflow: hidden; background: var(--ui-bg); }
.ui-swipeback-on .ui-swipeback-behind { visibility: visible; will-change: transform; }
.ui-swipeback-scrim { position: absolute; inset: 0; opacity: 0; background: var(--ui-overlay); pointer-events: none; }
.ui-swipeback-front { display: flex; flex-direction: column; background: var(--ui-bg); }
.ui-swipeback-on .ui-swipeback-front { will-change: transform; box-shadow: var(--ui-shadow-lg); user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.ui-swipeback-settling .ui-swipeback-front, .ui-swipeback-settling .ui-swipeback-behind { transition: transform .26s cubic-bezier(.2, .8, .2, 1); }
.ui-swipeback-settling .ui-swipeback-scrim { transition: opacity .26s cubic-bezier(.2, .8, .2, 1); }
.ui-swipeback-bar {
  display: flex; flex: none; align-items: center; gap: 2px; min-height: 48px; padding: env(safe-area-inset-top) max(4px, env(safe-area-inset-right)) 0 max(4px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--ui-border); background: var(--ui-surface);
}
.ui-swipeback-title { flex: 1; min-width: 0; margin: 0; overflow: hidden; font-size: 17px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.ui-swipeback-back {
  display: inline-flex; flex: none; align-items: center; min-width: 44px; height: 44px; padding: 0 8px 0 4px; border: 0; border-radius: var(--ui-radius-sm);
  background: transparent; color: var(--ui-accent); font: inherit; cursor: pointer;
}
.ui-swipeback-back svg { width: 26px; height: 26px; }
.ui-swipeback-back:dir(rtl) svg { transform: scaleX(-1); }
.ui-swipeback-back:focus-visible { outline: none; box-shadow: var(--ui-focus); }
@media (hover: hover) { .ui-swipeback-back:hover { background: var(--ui-subtle); } }
/* pan-y: the page keeps up and down; what goes sideways comes to the handlers here. Said again on the scroller, as it stops counting at one. */
.ui-swipeback-body { flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain; touch-action: pan-y pinch-zoom; }
@media (prefers-reduced-motion: reduce) {
  .ui-swipeback-settling .ui-swipeback-front, .ui-swipeback-settling .ui-swipeback-behind, .ui-swipeback-settling .ui-swipeback-scrim { transition: none; }
}


.ui-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  height: 38px; padding: 0 16px; border: 1px solid transparent; border-radius: var(--ui-radius-sm);
  font: 500 14px/1 var(--ui-font); text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  --b: var(--ui-accent); --bf: var(--ui-accent-fg); --bs: var(--ui-accent-soft);
}
.ui-btn:focus-visible { outline: none; box-shadow: var(--ui-focus); }
.ui-btn[disabled], .ui-btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; pointer-events: none; }
.ui-btn-neutral { --b: var(--ui-fg); --bf: var(--ui-bg); --bs: var(--ui-subtle); }
.ui-btn-danger { --b: var(--ui-danger); --bf: #fff; --bs: var(--ui-danger-soft); }
.ui-btn-solid { background: var(--b); color: var(--bf); }
.ui-btn-solid:hover { background: color-mix(in srgb, var(--b) 88%, var(--ui-fg)); }
.ui-btn-soft { background: var(--bs); color: var(--b); }
.ui-btn-soft:hover { background: color-mix(in srgb, var(--bs) 80%, var(--b)); }
.ui-btn-outline { background: transparent; color: var(--b); border-color: var(--ui-border); }
.ui-btn-outline:hover { border-color: var(--b); background: var(--bs); }
.ui-btn-ghost { background: transparent; color: var(--b); }
.ui-btn-ghost:hover { background: var(--bs); }
.ui-btn-sm { height: 30px; padding: 0 11px; font-size: 13px; }
.ui-btn-lg { height: 46px; padding: 0 22px; font-size: 16px; }
.ui-btn-full { display: flex; width: 100%; }
.ui-btn-spin { width: 1em; height: 1em; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: ui-btn-spin .7s linear infinite; }
@keyframes ui-btn-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .ui-btn-spin { animation-duration: 2s; } }