.ai-fab{
  position:fixed;right:18px;bottom:18px;z-index:200;
  background:#30398D;color:#fff;
  border:none;border-radius:50%;width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(31,43,102,.28);cursor:pointer;
  transition:background .15s,box-shadow .15s,transform .1s;
}
.ai-fab:hover{background:#1f2b66;box-shadow:0 6px 18px rgba(31,43,102,.35);transform:translateY(-1px);}
.ai-panel{
  position:fixed;right:18px;bottom:90px;max-width:360px;width:90%;
  background:#fff;border:1px solid rgba(31,43,77,.08);border-radius:14px;
  box-shadow:0 24px 60px rgba(31,43,102,.20);padding:1rem;z-index:190;
  display:none;flex-direction:column;gap:.75rem;
}
.ai-panel.is-visible{display:flex;}
.ai-panel__header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;}
.ai-panel__title{margin:0;font-size:1rem;font-weight:700;color:#1f2a4d;}
.ai-panel__body{max-height:420px;overflow:auto;font-size:.92rem;color:#1f2a4d;}
.ai-panel__actions{display:flex;justify-content:flex-end;gap:.5rem;}
.ai-help{font-size:.8rem;color:#5d6389;cursor:help;}
.ai-help i{margin-left:.15rem;}