/* ============================================================
   GOLDENKEY BCS — GK OS enhancement layer (gk-os.css) v GK.04
   Scroll-reveal + floating assistant launcher (bottom-left)
   All selectors prefixed .gkos- / .gk-rv / .gk-in to avoid collisions
   ============================================================ */

/* ---------- scroll reveal (hidden state added by JS only) ---------- */
.gk-rv{opacity:.001;transform:translateY(14px)}
.gk-in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
@media (prefers-reduced-motion: reduce){
  .gk-rv{opacity:1;transform:none}
  .gk-in{transition:none}
}

/* ---------- assistant launcher (bottom-LEFT, below floaters z60) ---------- */
.gkos-launcher{
  position:fixed;left:20px;bottom:20px;z-index:59;
  width:50px;height:50px;border-radius:50%;
  background:#0e2140;border:1px solid #c9a227;
  color:#fff;cursor:pointer;padding:0;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(14,33,64,.28);
  transition:transform .25s ease,box-shadow .25s ease;
}
.gkos-launcher:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,33,64,.35)}
.gkos-launcher:focus-visible{outline:2px solid #c9a227;outline-offset:2px}
.gkos-launcher svg{width:24px;height:24px;display:block}

/* ---------- panel ---------- */
.gkos-panel{
  position:fixed;left:20px;bottom:82px;z-index:59;
  width:320px;max-width:calc(100vw - 40px);
  background:#fff;border:1px solid #e6e2d8;border-radius:12px;
  box-shadow:0 14px 40px rgba(14,33,64,.16);
  padding:18px 18px 12px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  font-family:inherit;
}
.gkos-panel.gkos-open{opacity:1;visibility:visible;transform:none}
@media (prefers-reduced-motion: reduce){
  .gkos-panel{transition:none}
  .gkos-launcher{transition:none}
}
.gkos-title{margin:0;font-size:16px;font-weight:700;color:#0e2140;letter-spacing:.2px}
.gkos-sub{margin:4px 0 12px;font-size:12.5px;color:#5a6472;line-height:1.45}
.gkos-links{display:flex;flex-direction:column;gap:2px;margin:0 -6px}
.gkos-link{
  display:flex;align-items:center;gap:11px;
  padding:9px 8px;border-radius:8px;text-decoration:none;
  color:#1c2b3f;font-size:14px;font-weight:500;
  transition:background .18s ease;
}
.gkos-link:hover{background:#f5f3ec;color:#0e2140}
.gkos-link .gkos-ic{
  flex:none;width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:#0e2140;color:#fff;
}
.gkos-link .gkos-ic svg{width:16px;height:16px;display:block}
.gkos-note{
  margin:10px -6px 0;padding:9px 8px 3px;
  border-top:1px solid #eee9dd;
  font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;
  color:#9aa2ad;text-align:center;
}