/* =========================================================
   ScienceNex Assistant - robotito comercial flotante
   Sin API: respuestas prearmadas + cierre por WhatsApp
   ========================================================= */
:root{
  --snx-agent-primary:#2563eb;
  --snx-agent-primary2:#06b6d4;
  --snx-agent-dark:#0f172a;
  --snx-agent-muted:#64748b;
  --snx-agent-soft:#eff6ff;
  --snx-agent-line:#dbeafe;
  --snx-agent-green:#22c55e;
  --snx-agent-red:#ef4444;
  --snx-agent-yellow:#f59e0b;
}
.snx-agent *{box-sizing:border-box}
.snx-agent{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:2147483000;
  font-family:"Segoe UI",Arial,sans-serif;
  color:var(--snx-agent-dark);
}
.snx-agent__bubble{
  position:absolute;
  right:86px;
  bottom:16px;
  width:280px;
  background:#fff;
  border:1px solid rgba(37,99,235,.18);
  border-radius:20px 20px 6px 20px;
  padding:14px 15px;
  box-shadow:0 18px 45px rgba(15,23,42,.20);
  opacity:0;
  transform:translateY(12px) scale(.96);
  pointer-events:none;
  transition:.35s ease;
}
.snx-agent__bubble strong{display:block;color:#1d4ed8;font-size:14px;margin-bottom:3px}
.snx-agent__bubble span{display:block;color:#334155;font-size:13px;line-height:1.35}
.snx-agent__bubble.is-visible{opacity:1;transform:translateY(0) scale(1)}
.snx-agent__bubble-close{
  position:absolute;right:8px;top:6px;border:0;background:transparent;color:#94a3b8;font-size:17px;cursor:pointer;line-height:1
}
.snx-agent__launcher{
  width:76px;height:76px;border:0;border-radius:24px;
  background:linear-gradient(135deg,var(--snx-agent-primary),var(--snx-agent-primary2));
  box-shadow:0 18px 45px rgba(37,99,235,.38), inset 0 1px 0 rgba(255,255,255,.35);
  cursor:pointer;display:grid;place-items:center;position:relative;
  animation:snxFloat 2.7s ease-in-out infinite;
}
.snx-agent__launcher:hover{transform:translateY(-2px);filter:saturate(1.08)}
.snx-agent__dot{
  position:absolute;right:7px;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--snx-agent-green);border:3px solid #fff;box-shadow:0 0 0 5px rgba(34,197,94,.18)
}
.snx-agent__robot{width:54px;height:54px;position:relative;display:block}
.snx-agent__robot-head{
  position:absolute;left:8px;top:10px;width:38px;height:33px;border-radius:15px 15px 12px 12px;
  background:#fff;box-shadow:inset 0 -4px 0 rgba(37,99,235,.12)
}
.snx-agent__robot-head:before{
  content:"";position:absolute;left:17px;top:-9px;width:4px;height:10px;border-radius:4px;background:#fff
}
.snx-agent__robot-head:after{
  content:"";position:absolute;left:14px;top:-14px;width:10px;height:10px;border-radius:50%;background:#facc15;box-shadow:0 0 12px rgba(250,204,21,.8)
}
.snx-agent__eye{position:absolute;top:13px;width:7px;height:7px;border-radius:50%;background:#1d4ed8;animation:snxBlink 4s infinite}
.snx-agent__eye--l{left:10px}.snx-agent__eye--r{right:10px}
.snx-agent__mouth{position:absolute;left:14px;top:23px;width:10px;height:4px;border-radius:0 0 8px 8px;border-bottom:3px solid #1d4ed8}
.snx-agent__ear{position:absolute;top:22px;width:7px;height:14px;border-radius:8px;background:#dbeafe}
.snx-agent__ear--l{left:2px}.snx-agent__ear--r{right:2px}
.snx-agent__panel{
  position:absolute;right:0;bottom:92px;width:390px;max-width:calc(100vw - 28px);height:620px;max-height:calc(100vh - 126px);
  background:#fff;border:1px solid rgba(37,99,235,.18);border-radius:28px;overflow:hidden;
  box-shadow:0 28px 85px rgba(15,23,42,.32);
  transform:translateY(18px) scale(.96);opacity:0;pointer-events:none;transition:.28s ease;
  display:flex;flex-direction:column;
}
.snx-agent__panel.is-open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
.snx-agent__header{
  padding:18px 18px 16px;color:#fff;background:
   radial-gradient(circle at 0 0,rgba(255,255,255,.22),transparent 38%),
   linear-gradient(135deg,#0f172a,#1d4ed8 58%,#06b6d4);
  position:relative;
}
.snx-agent__title{display:flex;align-items:center;gap:12px;padding-right:30px}
.snx-agent__avatar{width:42px;height:42px;border-radius:16px;background:#fff;display:grid;place-items:center;color:#2563eb;font-size:25px;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.snx-agent__title strong{display:block;font-size:16px;line-height:1.05}.snx-agent__title span{display:block;font-size:12px;color:rgba(255,255,255,.78);margin-top:3px}
.snx-agent__close{position:absolute;right:14px;top:14px;width:34px;height:34px;border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.10);color:#fff;border-radius:12px;cursor:pointer;font-size:20px;line-height:1}
.snx-agent__status{margin-top:14px;display:flex;gap:8px;align-items:center;font-size:12px;color:rgba(255,255,255,.88)}
.snx-agent__status i{width:9px;height:9px;background:#22c55e;border-radius:50%;display:inline-block;box-shadow:0 0 0 5px rgba(34,197,94,.18)}
.snx-agent__body{flex:1;overflow:auto;background:linear-gradient(180deg,#f8fbff,#ffffff);padding:16px}
.snx-agent__message{display:flex;margin:0 0 12px;gap:9px;align-items:flex-start}
.snx-agent__message--user{justify-content:flex-end}.snx-agent__message--user .snx-agent__text{background:#2563eb;color:#fff;border-radius:18px 18px 4px 18px}.snx-agent__message--bot .snx-agent__text{background:#fff;color:#0f172a;border:1px solid #e2e8f0;border-radius:18px 18px 18px 4px;box-shadow:0 8px 20px rgba(15,23,42,.06)}
.snx-agent__mini-avatar{flex:0 0 28px;width:28px;height:28px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#06b6d4);display:grid;place-items:center;color:#fff;font-size:16px;margin-top:4px}
.snx-agent__text{max-width:292px;padding:11px 12px;font-size:13.5px;line-height:1.4;white-space:pre-line}.snx-agent__text b{color:inherit}.snx-agent__text a{color:#1d4ed8;font-weight:800;text-decoration:none}.snx-agent__message--user .snx-agent__text a{color:#fff}
.snx-agent__quick{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:13px 0 4px}.snx-agent__quick button{border:1px solid #dbeafe;background:#fff;color:#1e3a8a;border-radius:15px;padding:11px 10px;font-weight:800;font-size:12.5px;cursor:pointer;text-align:left;box-shadow:0 8px 18px rgba(37,99,235,.06)}.snx-agent__quick button:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-1px)}
.snx-agent__options{display:grid;gap:8px;margin-top:10px}.snx-agent__options button,.snx-agent__whatsapp{width:100%;border:0;border-radius:15px;padding:12px 12px;font-weight:900;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px}.snx-agent__options button{background:#eff6ff;color:#1e3a8a;border:1px solid #bfdbfe}.snx-agent__options button:hover{background:#dbeafe}.snx-agent__whatsapp{background:linear-gradient(135deg,#16a34a,#22c55e);color:#fff;margin-top:10px;box-shadow:0 12px 25px rgba(34,197,94,.24)}
.snx-agent__lead{padding:12px 14px;border-top:1px solid #e2e8f0;background:#fff;display:grid;gap:9px}.snx-agent__inputline{display:flex;gap:8px}.snx-agent__inputline input{flex:1;border:1px solid #cbd5e1;border-radius:14px;padding:12px 12px;font-size:13px;outline:none}.snx-agent__inputline input:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.12)}.snx-agent__send{width:46px;border:0;border-radius:14px;background:#2563eb;color:#fff;font-weight:900;cursor:pointer;font-size:18px}.snx-agent__footnote{text-align:center;font-size:11px;color:#64748b}.snx-agent__typing{display:inline-flex;gap:4px;align-items:center}.snx-agent__typing i{width:6px;height:6px;border-radius:50%;background:#94a3b8;animation:snxTyping 1s infinite}.snx-agent__typing i:nth-child(2){animation-delay:.15s}.snx-agent__typing i:nth-child(3){animation-delay:.3s}
@keyframes snxFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes snxBlink{0%,92%,100%{transform:scaleY(1)}94%,96%{transform:scaleY(.1)}}
@keyframes snxTyping{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}
@media(max-width:520px){.snx-agent{right:14px;bottom:14px}.snx-agent__launcher{width:68px;height:68px;border-radius:22px}.snx-agent__panel{right:-3px;bottom:84px;width:calc(100vw - 22px);height:calc(100vh - 108px);border-radius:24px}.snx-agent__bubble{right:76px;width:230px}.snx-agent__quick{grid-template-columns:1fr}.snx-agent__text{max-width:calc(100vw - 102px)}}