/* Слои: затемнение, панели справа (меню, корзина, админка), карточка товара, шторка на телефоне, уведомление. */
[data-layer]:focus { outline: none; }

.scrim {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, .62);
  touch-action: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-out) var(--ease-big), visibility 0s linear var(--dur-out);
}
.scrim.is-on { opacity: 1; visibility: visible; transition: opacity var(--dur-big) var(--ease-big), visibility 0s; }

.panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 60;
  width: var(--panel-w);
  background: var(--paper);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  visibility: hidden;
  transform: translateX(100%);
  transition: transform var(--dur-out) var(--ease-big), visibility 0s linear var(--dur-out);
}
.panel.is-open { visibility: visible; transform: none; transition: transform var(--dur-big) var(--ease-big), visibility 0s; }
.panel__head {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--hdr-h);
  padding: 0 var(--gutter);
}
.panel__body { flex: 1 1 auto; overflow-y: auto; overscroll-behavior: contain; padding: 0 var(--gutter) 32px; -webkit-overflow-scrolling: touch; }
.panel__foot { flex: none; padding: 16px var(--gutter) calc(16px + env(safe-area-inset-bottom, 0px)); display: grid; gap: 12px; background: var(--paper); }
.x {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--tone-2);
}
.x:active { transform: scale(.94); }
.x svg { width: 14px; height: 14px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; }

/* Телефон: панели становятся шторками снизу */
@media (max-width: 1023px) {
  .panel {
    top: auto;
    left: 0; right: 0; bottom: 0;
    width: auto;
    max-height: calc(100% - 24px);
    border-radius: 20px 20px 0 0;
    transform: translateY(100%);
  }
  .panel.is-open { transform: none; }
  .panel::before {
    content: "";
    position: absolute;
    top: 8px; left: 50%;
    width: 36px; height: 4px;
    border-radius: 2px;
    background: var(--tone-2);
    transform: translateX(-50%);
  }
}

/* Уведомление: короткая строка над доком, не перекрывает кнопки */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--dock-space) + 12px);
  z-index: 70;
  transform: translate(-50%, 8px);
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: var(--fs-s);
  line-height: var(--lh-s);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-state), transform var(--dur-state) var(--ease-out), visibility 0s linear var(--dur-state);
  pointer-events: none;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.has-action { pointer-events: auto; }
.toast button { color: #fff; font: 500 var(--fs-s) / 1 var(--font); margin-left: 14px; padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, .18); }
.toast.is-on { opacity: 1; visibility: visible; transform: translate(-50%, 0); transition: opacity var(--dur-state), transform var(--dur-state) var(--ease-out), visibility 0s; }
@media (min-width: 1024px) { .toast { bottom: 24px; } }