/* ============================================================
   MASTER VORTEX — fireworks overlay (fireworks.js)
   The overlay canvas is a pure visual layer: fixed over the
   whole window, above the app, and pointer-events:none so
   every click, drag, and scroll passes straight through to
   the chart and controls — it can never block trading.
   ============================================================ */

.fw-canvas{
  position:fixed; inset:0; width:100vw; height:100vh;
  pointer-events:none; z-index:9999;
}
.fw-toggle-btn{font-size:13px; line-height:1; padding:3px 6px;}