:root{
  --proai-bg:#ffffff;
  --proai-fg:#111827;
  --proai-muted:#6b7280;
  --proai-border:#e5e7eb;
  --proai-accent:#111827;
  --proai-shadow:0 20px 60px rgba(17,24,39,.16);
}
#proai-launcher-root{all:initial}
#proai-launcher-root,#proai-launcher-root *{box-sizing:border-box;font-family:Inter,Segoe UI,Arial,sans-serif}
.proai-fab{
  position:fixed;right:18px;bottom:18px;z-index:999999;
  width:52px;height:52px;border-radius:999px;border:1px solid rgba(255,255,255,.18);
  background:linear-gradient(135deg,#111827 0%,#1f2937 100%);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 16px 40px rgba(17,24,39,.28);
  transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease;
}
.proai-fab:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(17,24,39,.34)}
.proai-fab svg{width:22px;height:22px;display:block}
.proai-panel{
  position:fixed;right:18px;bottom:82px;z-index:999998;
  width:min(400px,calc(100vw - 24px));max-height:min(78vh,760px);
  background:var(--proai-bg);color:var(--proai-fg);border:1px solid var(--proai-border);
  border-radius:24px;box-shadow:var(--proai-shadow);overflow:hidden;
  transform:translateY(12px) scale(.985);opacity:0;pointer-events:none;
  transition:transform .2s ease,opacity .2s ease;
}
.proai-panel.is-open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
.proai-header{
  padding:16px 16px 12px;border-bottom:1px solid var(--proai-border);
  display:flex;align-items:flex-start;gap:12px;background:#fff;
}
.proai-badge{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:linear-gradient(135deg,#111827 0%,#374151 100%);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.proai-headline{min-width:0;flex:1}
.proai-title{margin:0;font-size:16px;font-weight:700;line-height:1.2;color:#111827}
.proai-subtitle{margin:4px 0 0;font-size:12px;line-height:1.4;color:var(--proai-muted)}
.proai-close{
  appearance:none;border:0;background:transparent;color:#6b7280;cursor:pointer;
  width:34px;height:34px;border-radius:10px;font-size:20px;line-height:1;
}
.proai-close:hover{background:#f3f4f6;color:#111827}
.proai-body{padding:14px 14px 16px;background:#fff}
.proai-search-wrap{display:flex;gap:8px;align-items:center}
.proai-input{
  width:100%;border:1px solid var(--proai-border);background:#fff;color:#111827;
  border-radius:14px;padding:13px 14px;font-size:14px;outline:none;
}
.proai-input:focus{border-color:#cbd5e1;box-shadow:0 0 0 4px rgba(17,24,39,.05)}
.proai-send{
  appearance:none;border:0;border-radius:14px;padding:13px 14px;cursor:pointer;
  background:#111827;color:#fff;font-weight:600;white-space:nowrap;
}
.proai-send:hover{background:#1f2937}
.proai-helper{margin:10px 2px 0;font-size:12px;color:var(--proai-muted);line-height:1.5}
.proai-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.proai-chip{
  appearance:none;border:1px solid var(--proai-border);background:#fff;color:#111827;
  border-radius:999px;padding:8px 12px;font-size:12px;line-height:1.2;cursor:pointer;
}
.proai-chip:hover{background:#f9fafb;border-color:#d1d5db}
.proai-chat{
  margin-top:14px;border:1px solid var(--proai-border);border-radius:16px;overflow:hidden;background:#fcfcfd;
  max-height:350px;overflow-y:auto;
}
.proai-msg{padding:12px 14px;border-top:1px solid #f1f5f9;font-size:13px;line-height:1.6}
.proai-msg:first-child{border-top:0}
.proai-msg.proai-msg-bot{background:#fcfcfd;color:#111827}
.proai-msg.proai-msg-user{background:#fff;color:#111827}
.proai-msg strong{font-weight:700}
.proai-meta{display:block;margin-bottom:4px;font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:.04em}
.proai-footer{padding:10px 14px 14px;font-size:11px;color:#6b7280;line-height:1.5}
.proai-link{color:#111827;text-decoration:none;border-bottom:1px solid rgba(17,24,39,.18)}
.proai-link:hover{border-bottom-color:#111827}
@media (max-width:640px){
  .proai-fab{right:14px;bottom:14px;width:48px;height:48px}
  .proai-panel{right:12px;bottom:70px;width:calc(100vw - 24px);border-radius:20px}
}