.icchat{position:fixed;right:24px;bottom:24px;z-index:70}
.icchat__fab{background:var(--accent);color:#fff;border:none;border-radius:999px;padding:12px 18px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);cursor:pointer;font-weight:700}
.icchat__fab:hover{filter:brightness(1.05)}
.icchat__panel{position:fixed;right:24px;bottom:90px;width:340px;max-width:calc(100vw - 32px);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px);
  border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.35);transform:translateY(10px);opacity:0;
  pointer-events:none;transition:transform .2s ease,opacity .2s ease}
.icchat__panel[aria-hidden="false"]{transform:translateY(0);opacity:1;pointer-events:auto}
.icchat__header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.icchat__brand{display:flex;gap:10px;align-items:center}
.icchat__brand img{width:32px;height:32px;border-radius:8px;object-fit:cover;border:1px solid rgba(255,255,255,.12)}
.icchat__title{font-weight:800}
.icchat__status{font-size:12px;color:rgba(255,255,255,.7)}
.icchat__status .dot{display:inline-block;width:8px;height:8px;border-radius:999px;background:#37d67a;margin-right:6px}
.icchat__close{background:transparent;border:none;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.icchat__body{padding:12px 14px}
.icchat__input,.icchat__textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);color:#fff;outline:none;margin-bottom:10px}
.icchat__input:focus,.icchat__textarea:focus{border-color:rgba(42,94,151,.6);box-shadow:0 0 0 3px rgba(42,94,151,.2)}
.icchat__actions{display:flex;gap:8px;align-items:center}
.icchat__btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);color:#fff;text-decoration:none;cursor:pointer}
.icchat__btn--primary{background:var(--primary);border:none}
.icchat__btn--ghost{background:transparent}
.icchat__feedback{margin-top:8px;font-size:13px}
.icchat__feedback.success{color:#7dd87d}
.icchat__feedback.error{color:#ff7b7b}
@media (max-width:480px){
  .icchat{right:16px;bottom:16px}
  .icchat__panel{right:16px;bottom:80px}
}

/* états d’affichage robustes */
.icchat__panel[aria-hidden="true"] { display: none; }
.icchat__panel.is-open { display: block; }