/* Floating Bar */
.floating-bar{position:fixed; left:0; right:0; bottom:0; z-index:50; padding:10px 12px;
  backdrop-filter:blur(10px); background:var(--surface-high); border-top:1px solid var(--border-color);
  transition:opacity .3s, transform .3s}
.floating-bar.is-hidden{opacity:0; transform:translateY(100%); pointer-events:none}