/* BM floating widget — official bot art only */
.bm-fab {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(72px, calc(56px + env(safe-area-inset-bottom)));
  z-index: 50;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid rgba(61, 107, 255, 0.55);
  padding: 0;
  background: #0b1f4a;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35), 0 0 0 4px rgba(61, 107, 255, 0.12);
  overflow: hidden;
  cursor: pointer;
  display: grid;
  place-items: center;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.bm-fab:active { transform: scale(0.94); }
.bm-fab img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 50%;
}
[data-theme="light"] .bm-fab {
  background: #eef2ff;
  border-color: rgba(27, 77, 255, 0.35);
  box-shadow: 0 10px 28px rgba(11, 31, 74, 0.18), 0 0 0 4px rgba(27, 77, 255, 0.08);
}
/* hide on assistant page itself */
body.bm-page .bm-fab { display: none !important; }