html[data-visual-theme="bubble-natal"] .bottom-nav {
  gap: clamp(2px, 1.5vw, 14px);
  padding: 9px 8px calc(10px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid #e9ce91a6;
  background:
    radial-gradient(circle at 12px 1px, #ffeab8 0 1px, transparent 2px) 0 0 / 34px 12px repeat-x,
    linear-gradient(180deg, #24573e, #102e24 24%, #09251e);
  box-shadow: 0 -3px 0 #173f2cb3, 0 -10px 28px #021b17a3;
}
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item {
  position: relative;
  box-sizing: border-box;
  flex: 1 1 0;
  min-width: 0;
  max-width: 82px;
  gap: 5px;
  padding: 5px 2px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: #e2eadd;
  font: 700 clamp(10px, 2.7vw, 12px)/1.2 system-ui, sans-serif;
  text-shadow: 0 1px 2px #031a12;
  -webkit-tap-highlight-color: transparent;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:not(.center) > svg { display: none; }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:not(.center)::before {
  content: '';
  display: block;
  width: 33px;
  height: 33px;
  background: var(--christmas-nav-icon) center / contain no-repeat;
  filter: drop-shadow(0 2px 3px #021a1280);
  pointer-events: none;
}
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:nth-child(1) { --christmas-nav-icon: url('/images/themes/bubble-natal/nav-deposit-gift.svg'); }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:nth-child(2) { --christmas-nav-icon: url('/images/themes/bubble-natal/nav-withdraw-sack.svg'); }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:nth-child(4) { --christmas-nav-icon: url('/images/themes/bubble-natal/nav-invite-bells.svg'); }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:nth-child(5) { --christmas-nav-icon: url('/images/themes/bubble-natal/nav-profile-snowman.svg'); }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:is(:hover, :focus-visible, .active, [aria-current="page"]) {
  color: #ffe4a4;
  border-color: #e5bd733d;
  background-color: #edc77c10;
}
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:focus-visible { outline: 2px solid #ffe4a4; outline-offset: 2px; }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:active { background-color: #edc77c24; }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center { margin-top: -31px; color: #ffe3a0; }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center .nav-circle {
  box-sizing: border-box;
  width: 62px;
  height: 62px;
  border: 2px solid #e8c885;
  background: radial-gradient(circle at 35% 20%, #e67a7b, #a82f45 44%, #591b30);
  box-shadow: inset 0 1px 2px #fff0c582, inset 0 -4px 9px #38132180, 0 0 0 5px #edc77c13, 0 4px 16px #0007;
}
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center .nav-circle::before {
  content: '';
  inset: 7px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: url('/images/themes/bubble-natal/nav-play-tree.svg') center / contain no-repeat;
  -webkit-mask: none;
  mask: none;
  filter: drop-shadow(0 2px 3px #42162799);
  animation: none;
}
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center .nav-circle::after { content: none; }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center .nav-circle .nav-bubble { display: none; }
html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center > span:last-child { color: #ffe2a0; }
@media (max-width: 360px) {
  html[data-visual-theme="bubble-natal"] .bottom-nav { gap: 2px; padding-inline: 5px; }
  html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item:not(.center)::before { width: 29px; height: 29px; }
  html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item.center .nav-circle { width: 57px; height: 57px; }
}
@media (prefers-reduced-motion: reduce) {
  html[data-visual-theme="bubble-natal"] .bottom-nav .nav-item { transition: none; }
}