/* Torkzt PWA — плашки сети, обновления и установки */
:root {
  --tz-snack-bg: #1c2026;
  --tz-snack-fg: #f1f3f5;
  --tz-snack-muted: rgba(241, 243, 245, .68);
  --tz-snack-danger: #ff6b6b;
  --tz-snack-warning: #ffc43d;
  --tz-snack-success: #3ecf8e;
  --tz-snack-info: #74a7ff;
  --tz-snack-primary: #0d6efd;
}

.tz-snack-host {
  position: fixed;
  left: 50%;
  bottom: calc(16px + var(--tz-snack-offset, 0px) + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 1100; /* выше модалок Bootstrap (1055) */
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(560px, calc(100vw - 24px));
  pointer-events: none;
  transition: bottom .2s ease;
}

.tz-snack {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 12px 12px 14px;
  border-radius: 12px;
  border-left: 3px solid var(--tz-snack-accent, var(--tz-snack-info));
  background: var(--tz-snack-bg);
  color: var(--tz-snack-fg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28), 0 2px 6px rgba(0, 0, 0, .18);
  font-size: .9375rem;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .22s ease, transform .22s ease;
}
.tz-snack.is-in { opacity: 1; transform: none; }

.tz-snack--danger  { --tz-snack-accent: var(--tz-snack-danger); }
.tz-snack--warning { --tz-snack-accent: var(--tz-snack-warning); }
.tz-snack--success { --tz-snack-accent: var(--tz-snack-success); }
.tz-snack--info    { --tz-snack-accent: var(--tz-snack-info); }

.tz-snack__icon {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  color: var(--tz-snack-accent, var(--tz-snack-info));
}
.tz-snack__icon svg,
.tz-snack__close svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tz-snack--danger .tz-snack__icon { animation: tz-snack-pulse 1.6s ease-in-out infinite; }

.tz-snack__body { flex: 1 1 auto; min-width: 0; }
.tz-snack__title { font-weight: 600; }
.tz-snack__text { margin-top: 2px; font-size: .8125rem; color: var(--tz-snack-muted); }

.tz-snack__btn {
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  color: var(--tz-snack-fg);
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
.tz-snack__btn:hover { background: rgba(255, 255, 255, .14); }
.tz-snack__btn--primary { background: var(--tz-snack-primary); color: #fff; }
.tz-snack__btn--primary:hover { background: #0b5ed7; }
.tz-snack__btn:disabled { opacity: .6; cursor: default; }

.tz-snack__close {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  padding: 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--tz-snack-muted);
  cursor: pointer;
}
.tz-snack__close:hover { color: var(--tz-snack-fg); background: rgba(255, 255, 255, .08); }

.tz-snack__btn:focus-visible,
.tz-snack__close:focus-visible {
  outline: 2px solid var(--tz-snack-info);
  outline-offset: 2px;
}

@keyframes tz-snack-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

@media (max-width: 480px) {
  .tz-snack { flex-wrap: wrap; }
  .tz-snack__body { flex-basis: calc(100% - 34px - 44px); }
  .tz-snack__btn { order: 3; margin-left: 34px; }
  .tz-snack__close { order: 2; }
}

@media (prefers-reduced-motion: reduce) {
  .tz-snack, .tz-snack-host { transition: none; }
  .tz-snack--danger .tz-snack__icon { animation: none; }
}

/* Кнопки «Установить приложение» скрыты, пока браузер не разрешит установку */
[data-pwa-install][hidden] { display: none !important; }

/* В установленном приложении эти элементы не нужны */
html.is-pwa .pwa-hide-in-app { display: none !important; }