.tank-type { margin:.25rem; padding:.5rem 1rem; border:1px solid #ccc; border-radius:9999px; cursor:pointer }
.tank-type.active { background:#111; color:#fff; border-color:#111 }

.tank-card { display:inline-block; width:150px; border:1px solid #eee; border-radius:8px; padding:.5rem; margin:.25rem; cursor:pointer; text-align:center }
.tank-card.active { box-shadow:0 0 0 3px #111 inset }

.power-hint { margin-top:.5rem; font-size:.85rem; display:flex; gap:1.5rem }
.power-hint .cols>div { flex:1 }
.sticky-bar { position:sticky; bottom:0; background:#fff; border-top:1px solid #eee; padding:.5rem 1rem; display:flex; justify-content:space-between; align-items:center }