.ui-number-pad { container-type: inline-size; min-width: 0; font: 16px/1.3 var(--ui-font); color: var(--ui-fg); }
.ui-number-pad-body { display: grid; gap: 12px; min-width: 0; }
.ui-number-pad-figure {
  display: flex; align-items: center; justify-content: flex-end; box-sizing: border-box; min-height: 64px; padding: 8px 14px; overflow: hidden;
  border: 1px solid var(--ui-border); border-radius: var(--ui-radius); background: var(--ui-surface); font: 600 32px/1.2 var(--ui-mono); overflow-wrap: anywhere;
}
.ui-number-pad-empty { color: var(--ui-muted); }
.ui-number-pad-keys { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; max-width: 420px; width: 100%; margin-inline: auto; padding-bottom: env(safe-area-inset-bottom); }
/* pan-y: the page still scrolls from here, but two thumbs on the keys cannot zoom it. */
.ui-number-pad-key {
  display: grid; place-items: center; min-height: 60px; min-width: 0; margin: 0; padding: 0; border: 1px solid var(--ui-border); border-radius: var(--ui-radius);
  background: var(--ui-surface); color: var(--ui-fg); font: 500 26px/1 var(--ui-font); cursor: pointer;
  touch-action: pan-y; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent;
}
.ui-number-pad-key:active { background: var(--ui-subtle); }
.ui-number-pad-key:focus-visible { outline: none; box-shadow: var(--ui-focus); }
.ui-number-pad-key:disabled { opacity: .5; cursor: not-allowed; }
/* A finger resting on delete must not turn into a scroll that ends the hold. */
.ui-number-pad-back { touch-action: none; background: var(--ui-subtle); }
.ui-number-pad-back svg { width: 26px; height: 26px; }
.ui-number-pad-blank { min-height: 60px; }
.ui-number-pad-note { grid-column: 1 / -1; margin: 0; color: var(--ui-muted); font-size: 13px; text-align: center; }
@media (hover: hover) { .ui-number-pad-key:hover:not(:disabled) { border-color: var(--ui-strong); } }
@container (min-width: 440px) {
  .ui-number-pad-body { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: center; gap: 20px; }
  .ui-number-pad-figure { min-height: 120px; font-size: 40px; }
}


.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; } }