/* Assistant mascotte flottante — 2I2S (Caducée) */
.i2s-assistant{
  --i2s-bleu-nuit:#16264d;
  --i2s-bleu:#1f3d78;
  --i2s-bleu-clair:#3a5da8;
  --i2s-or:#e0b23c;
  --i2s-or-clair:#f3d27a;
  --i2s-creme:#f7f4ec;
  --i2s-ombre: rgba(22,38,77,.25);

  position:fixed; top:0; left:0; z-index:99999;
  width: 84px; height:84px;
  transform: translate(-50%,-50%);
  pointer-events:none;
}
.i2s-assistant *{ box-sizing:border-box; }

.i2s-assistant__click-zone{
  position:absolute; inset:0; border-radius:50%;
  pointer-events:auto; cursor:pointer;
}
.i2s-assistant__ring{
  position:absolute; inset:-6px; border-radius:50%;
  background: conic-gradient(from 0deg, var(--i2s-or), transparent 30%, var(--i2s-or) 70%, transparent 100%);
  opacity:.55; filter: blur(1px);
  animation: i2s-spin 5s linear infinite;
}
@keyframes i2s-spin{ to{ transform: rotate(360deg); } }

.i2s-assistant__body{
  position:absolute; inset:6px; border-radius:50%;
  background: radial-gradient(circle at 32% 28%, #fff, var(--i2s-creme) 55%, #e9e3d2);
  box-shadow: 0 10px 26px var(--i2s-ombre), 0 0 0 3px var(--i2s-bleu);
  overflow:hidden;
  animation: i2s-bob 2.6s ease-in-out infinite;
  transition: transform .15s ease;
}
.i2s-assistant__body img{
  position:absolute; top:52%; left:50%;
  width:118%; height:118%;
  transform: translate(-50%,-50%);
  object-fit: cover;
}
@keyframes i2s-bob{
  0%,100%{ transform: translateY(0) rotate(0deg); }
  50%{ transform: translateY(-6px) rotate(-3deg); }
}
.i2s-assistant.is-moving .i2s-assistant__body{ animation-duration: 1.1s; }
.i2s-assistant.is-clicked .i2s-assistant__body{
  animation: none;
  transform: scale(.82) rotate(0deg);
}

.i2s-assistant__sparkle{ position:absolute; inset:-18px; pointer-events:none; opacity:0; }
.i2s-assistant.is-clicked .i2s-assistant__sparkle{ opacity:1; animation: i2s-sparkle-burst .7s ease-out forwards; }
@keyframes i2s-sparkle-burst{
  0%{ opacity:1; transform: scale(.4); }
  100%{ opacity:0; transform: scale(1.5); }
}

.i2s-assistant__badge{
  position:absolute; bottom:-2px; right:-2px;
  width:22px; height:22px; border-radius:50%;
  background: var(--i2s-or); border:2px solid var(--i2s-bleu-nuit);
  display:flex; align-items:center; justify-content:center;
  font-size:11px;
  animation: i2s-pulse-badge 1.8s ease-in-out infinite;
}
@keyframes i2s-pulse-badge{ 0%,100%{ transform: scale(1);} 50%{ transform: scale(1.15);} }

.i2s-assistant__bulle{
  position:absolute; bottom: calc(100% + 12px); left:50%;
  transform: translateX(-50%) translateY(8px) scale(.92);
  min-width: 180px; max-width: 250px;
  background: #fff; color: var(--i2s-bleu-nuit);
  border-radius: 16px; padding: .8rem .95rem;
  font-size: .86rem; line-height:1.45; font-weight:600;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  box-shadow: 0 14px 30px rgba(0,0,0,.25);
  opacity:0; pointer-events:none;
  transition: opacity .22s ease, transform .22s ease;
}
.i2s-assistant__bulle::after{
  content:""; position:absolute; top:100%; left:50%; margin-left:-8px;
  border:8px solid transparent; border-top-color:#fff;
}
.i2s-assistant__bulle.visible{ opacity:1; transform: translateX(-50%) translateY(0) scale(1); }
.i2s-assistant__bulle-label{
  display:block; font-size:.64rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--i2s-bleu-clair); font-weight:800; margin-bottom:.2rem;
}

.i2s-assistant__mute{
  position:absolute; top:-8px; left:-8px;
  width:20px; height:20px; border-radius:50%;
  background: rgba(15,25,55,.85); border:1px solid rgba(255,255,255,.25);
  color:#fff; font-size:10px; display:flex; align-items:center; justify-content:center;
  cursor:pointer; pointer-events:auto; opacity:0; transition: opacity .2s;
}
.i2s-assistant:hover .i2s-assistant__mute{ opacity:1; }

@media (max-width: 640px){
  .i2s-assistant{ width:64px; height:64px; }
}
@media (prefers-reduced-motion: reduce){
  .i2s-assistant__body, .i2s-assistant__ring, .i2s-assistant__badge{ animation: none !important; }
}

/* ---- Panneau de discussion (Q/R) ---- */
.i2s-assistant-panel{
  --i2s-bleu-nuit:#16264d;
  --i2s-bleu:#1f3d78;
  --i2s-or:#e0b23c;

  position:fixed; z-index:100000;
  right:20px; bottom:20px;
  width:320px; max-width:calc(100vw - 40px);
  max-height:min(460px, calc(100vh - 100px));
  background:#fff; border-radius:16px; overflow:hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
  display:flex; flex-direction:column;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.i2s-assistant-panel[hidden]{ display:none; }

.i2s-assistant-panel__entete{
  background: var(--i2s-bleu-nuit); color:#fff;
  padding:.85rem 1rem; font-weight:700; font-size:.92rem;
  display:flex; align-items:center; justify-content:space-between;
  flex-shrink:0;
}
.i2s-assistant-panel__fermer{
  background:none; border:none; color:#fff; opacity:.75;
  font-size:1rem; line-height:1; cursor:pointer; padding:.2rem;
}
.i2s-assistant-panel__fermer:hover{ opacity:1; }

.i2s-assistant-panel__messages{
  flex:1 1 auto; overflow-y:auto; padding:.9rem;
  display:flex; flex-direction:column; gap:.55rem;
  background:#f7f8fb;
  min-height:160px;
}
.i2s-assistant-panel__msg{
  max-width:85%; padding:.55rem .75rem; border-radius:12px;
  font-size:.86rem; line-height:1.4; white-space:pre-line;
}
.i2s-assistant-panel__msg--bot{
  background:#fff; color:var(--i2s-bleu-nuit);
  border:1px solid #e4e7ef; align-self:flex-start;
  border-bottom-left-radius:3px;
}
.i2s-assistant-panel__msg--utilisateur{
  background:var(--i2s-bleu); color:#fff;
  align-self:flex-end; border-bottom-right-radius:3px;
}

.i2s-assistant-panel__form{
  display:flex; gap:.5rem; padding:.7rem; border-top:1px solid #e4e7ef; flex-shrink:0;
}
.i2s-assistant-panel__form input{
  flex:1 1 auto; border:1px solid #d7dbe6; border-radius:10px;
  padding:.55rem .7rem; font-size:.86rem; outline:none;
}
.i2s-assistant-panel__form input:focus{ border-color: var(--i2s-bleu); }
.i2s-assistant-panel__form button{
  background: var(--i2s-or); border:none; border-radius:10px;
  width:38px; flex-shrink:0; cursor:pointer; font-size:1rem; color:var(--i2s-bleu-nuit);
}
.i2s-assistant-panel__form button:hover{ filter:brightness(1.05); }

@media (max-width: 640px){
  .i2s-assistant-panel{ right:12px; left:12px; width:auto; bottom:12px; }
}