/* R73.3 — мобильная кнопка возврата над правой кнопкой нижней навигации. */
.k-mobile-back {
  display: none;
}
@media (max-width: 900px) {
  .k-mobile-back {
    position: fixed;
    right: 14px;
    bottom: calc(var(--k-mobile-nav-h, 72px) + 28px);
    z-index: 72;
    width: 48px;
    height: 48px;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(17, 24, 39, .12);
    border-radius: 17px;
    background: rgba(255, 255, 255, .96);
    color: #111827;
    box-shadow: 0 14px 36px rgba(15, 23, 42, .18);
    backdrop-filter: blur(16px);
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  }
  .k-mobile-back:not([hidden]) { display: grid; }
  .k-mobile-back svg {
    width: 23px;
    height: 23px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .k-mobile-back:active { transform: scale(.96); }
  .k-mobile-back:focus-visible { outline: 3px solid rgba(255,107,0,.28); outline-offset: 3px; }
  body.onboarding-active .k-mobile-back,
  body.is-onboarding .k-mobile-back { display: none !important; }
}
@media (max-width: 380px) {
  .k-mobile-back { right: 10px; bottom: calc(var(--k-mobile-nav-h, 72px) + 22px); width: 44px; height: 44px; border-radius: 15px; }
}