.mobile-nav {
  display: flex;
  position: fixed;
  z-index: 40;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 8px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid #e7edf6;
  justify-content: space-around;
  box-shadow: 0 -3px 20px #1a3e7306;
}
.mobile-nav .mobile-nav-item {
  display: flex;
  border: 0;
  background: none;
  padding: 2px 6px;
  font-family: inherit;
  font-weight: 400;
  line-height: normal;
  text-decoration: none;
  touch-action: manipulation;
  cursor: pointer;
  gap: 5px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: #94a0b3;
  min-width: 54px;
}
.mobile-nav .mobile-nav-item.active {
  color: var(--blue, #347cf6);
}
.mobile-nav .icon {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.mobile-nav .mobile-nav-item.play-nav {
  background: var(--blue, #347cf6);
  color: white;
  width: 52px;
  height: 52px;
  min-width: 52px;
  border: 4px solid white;
  box-shadow: 0 3px 14px #347cf63d;
  border-radius: 50%;
  margin-top: -23px;
  align-self: center;
}
.play-nav .icon {
  fill: #fff;
  stroke: none;
  width: 21px;
  margin-left: 3px;
}
.play-nav-label {
  color: var(--blue, #347cf6);
  font-size: 10px;
  position: absolute;
  top: 42px;
}
@media (min-width: 701px) {
  .mobile-nav:not(#frame-nav) { display: none; }
}