/* =======================================================
   MOBILE BOTTOM NAV — Instagram-style frosted floating pill
   (chỉ icon, ẩn chữ, kính mờ, bo tròn, nổi cách đáy)
======================================================== */
.mobile-bottom-nav { display: none; }
@media (max-width: 767px) {
  /* chừa chỗ cho thanh nav nổi, không che nội dung footer */
  .sobie-footer { padding-bottom: calc(84px + env(safe-area-inset-bottom)) !important; }
  .mobile-bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    width: auto;
    /* ===== Kính mờ kiểu Instagram ===== */
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    backdrop-filter: blur(22px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 26px;
    box-shadow: 0 10px 34px rgba(0,0,0,0.16), 0 2px 8px rgba(0,0,0,0.06);
    z-index: 9999;
    padding: 6px 8px;
    font-family: inherit;
    transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), opacity 0.3s ease;
  }
  .mobile-bottom-nav.is-hidden {
    transform: translateY(calc(100% + 22px));
    opacity: 0;
    pointer-events: none;
  }
  .mobile-bottom-nav .nav-item {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #6b6b6b;
    flex: 1;
    padding: 6px 0;
    border-radius: 18px;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.15s ease;
  }
  /* IG: chỉ hiện icon — ẩn chữ (không đụng tới badge số) */
  .mobile-bottom-nav .nav-item > span:not(.nav-cart-count) { display: none !important; }
  .mobile-bottom-nav .nav-item svg {
    width: 22px;
    height: 22px;
    margin: 0 !important;
  }
  .mobile-bottom-nav .nav-item:active { transform: scale(0.88); }
  .mobile-bottom-nav .nav-item.active { color: #111; }
  .mobile-bottom-nav .nav-item.active svg { stroke-width: 2.2; }
  .nav-icon-wrap { position: relative; display: flex; }
  .nav-cart-count {
    position: absolute;
    top: -6px;
    right: -10px;
    background: #111;
    color: #fff;
    font-size: 8px;
    min-width: 15px;
    height: 15px;
    padding: 0 3px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,255,255,0.92);
  }

  /* ===== Item SALE: icon đỏ + chữ "SALE" đỏ ===== */
  .mobile-bottom-nav .nav-item.nav-sale {
    flex-direction: column;
    gap: 1px;
  }
  .mobile-bottom-nav .nav-item.nav-sale svg {
    width: 20px;
    height: 20px;
    color: #E11D48 !important;
    stroke: #E11D48 !important;
  }
  .mobile-bottom-nav .nav-item.nav-sale > span:not(.nav-cart-count) {
    display: block !important;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.03em;
    line-height: 1;
    color: #E11D48;
  }
}