/* Bottom navigation — shared by menu + shop */

.menuBottomNav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 76px;
  background: linear-gradient(180deg, #4F3AA6 0%, #2D1A8A 100%);
  border-top: 4px solid #FFCE2E;
  display: flex;
  align-items: stretch;
  z-index: 20;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.5);
}

.menuBottomNav--fixed {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
}

.menuBottomNav .navBtn {
  flex: 1 1 0;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-right: 2px solid rgba(35, 18, 104, 0.8);
  cursor: pointer;
  position: relative;
  padding: 6px 2px;
  overflow: visible;
}

.menuBottomNav .navBtn:last-child {
  border-right: none;
}

.menuBottomNav .navBtn:active {
  transform: scale(0.93);
}

.menuBottomNav .navSlot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 44px;
}

.menuBottomNav .navActiveArch {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  max-height: 76px;
  background: linear-gradient(180deg, #4F3AA6 0%, #2D1A8A 100%);
  border-top-left-radius: 40px;
  border-top-right-radius: 40px;
  border: 4px solid #FFCE2E;
  border-bottom: none;
  box-sizing: border-box;
  pointer-events: none;
  z-index: 0;
}

.menuBottomNav .navBtnInner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.15s ease;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.5));
}

.menuBottomNav .navBtnInner svg {
  display: block;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.menuBottomNav .navBtn:hover .navBtnInner {
  transform: translateY(-3px) scale(1.06);
}

.menuBottomNav .navBtn:active .navBtnInner {
  transform: scale(0.92);
}

.menuBottomNav .navBtn.navActive {
  flex: 1.25 1 0;
  min-width: 56px;
  align-items: flex-end;
  padding-bottom: 4px;
}

.menuBottomNav .navBtn.navActive .navActiveArch {
  display: block;
}

.menuBottomNav .navBtn.navActive .navBtnInner {
  transform: translateY(-12px);
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.55));
  animation: navBalloonFloat 3s ease-in-out infinite;
}

.menuBottomNav .navBtn.navActive .navBtnInner svg {
  width: 56px;
  height: 56px;
}

.menuBottomNav .navActiveLabel,
.menuBottomNav .navBtnLabel {
  display: none !important;
}

@keyframes navBalloonFloat {
  0%, 100% { transform: translateY(-12px); }
  50% { transform: translateY(-18px); }
}

@media (max-width: 480px) {
  .menuBottomNav {
    height: 64px;
  }
  .menuBottomNav .navBtnInner svg {
    width: 36px;
    height: 36px;
  }
  .menuBottomNav .navBtn.navActive .navBtnInner svg {
    width: 48px;
    height: 48px;
  }
  .menuBottomNav .navActiveArch {
    max-height: 64px;
    border-top-left-radius: 32px;
    border-top-right-radius: 32px;
  }
}