/* Khung chat. Nam ngoai moi khoi cua theme (gan thang vao body) va dung lai
   bien mau --e-* nen tu theo che do sang/toi. Khong dung backdrop-filter. */
.bc-chat-mo{
  position:fixed;right:20px;bottom:72px;z-index:95;
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 16px;border:0;border-radius:999px;cursor:pointer;
  background:var(--e-green);color:#04120e;
  font:600 .875rem/1 var(--e-sans);
  box-shadow:0 10px 26px -10px rgba(0,0,0,.65);
  transition:transform .15s var(--e-ease);
}
:root[data-theme="light"] .bc-chat-mo{color:#fff}
.bc-chat-mo:hover{transform:translateY(-1px)}
.bc-chat-mo:focus-visible,.bc-chat button:focus-visible,.bc-chat a:focus-visible,.bc-chat textarea:focus-visible{outline:2px solid var(--e-mint);outline-offset:2px}
.bc-chat-mo svg{width:18px;height:18px;flex:none}
.bc-chat-mo[hidden]{display:none}
.bc-chat-cao .bc-chat-mo{bottom:132px}

.bc-chat{
  position:fixed;right:20px;bottom:20px;z-index:310;
  width:min(400px,calc(100vw - 40px));height:min(620px,calc(100dvh - 40px));
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--e-card);color:var(--e-ink);
  border:1px solid var(--e-rule-2);border-radius:var(--e-r);
  box-shadow:var(--e-lift-2);font:400 .9375rem/1.55 var(--e-sans);
}
.bc-chat[hidden]{display:none}

.bc-chat__dau{display:flex;align-items:center;gap:8px;padding:12px 12px 12px 16px;border-bottom:1px solid var(--e-rule)}
.bc-chat__ten{flex:1;min-width:0}
.bc-chat__ten b{display:block;font-size:.9375rem;line-height:1.3}
.bc-chat__ten span{display:block;font-size:.75rem;line-height:1.3;color:var(--e-muted)}
.bc-chat__nut{
  width:36px;height:36px;display:grid;place-items:center;flex:none;
  background:none;border:0;border-radius:var(--e-r-sm);color:var(--e-ink-2);cursor:pointer;
}
.bc-chat__nut:hover{background:var(--e-paper-3);color:var(--e-ink)}
.bc-chat__nut svg{width:18px;height:18px}

.bc-chat__than{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:16px;display:flex;flex-direction:column;gap:10px}
.bc-chat__tin{max-width:88%;padding:9px 13px;border-radius:12px;overflow-wrap:anywhere}
.bc-chat__tin p{margin:0}
.bc-chat__tin p + p,.bc-chat__tin p + ul,.bc-chat__tin ul + p{margin-top:8px}
.bc-chat__tin p + ol,.bc-chat__tin ol + p,.bc-chat__tin ul + .bc-chat__link,.bc-chat__tin ol + .bc-chat__link,.bc-chat__tin p + .bc-chat__link{margin-top:8px}
.bc-chat__tin ul,.bc-chat__tin ol{margin:0;padding-left:20px}
.bc-chat__tin li + li{margin-top:5px}
.bc-chat__tin a{color:var(--e-green);text-decoration:underline}
.bc-chat__tin code{padding:1px 4px;border-radius:4px;background:var(--e-paper);font-size:.8125rem;user-select:all;overflow-wrap:anywhere}
.bc-chat__tin:has(.bc-chat__bang){width:100%;max-width:100%}
.bc-chat__bang{margin-top:8px}
.bc-chat__bang summary{cursor:pointer;font-weight:600;font-size:.875rem;padding:2px 0}
.bc-chat__cuon{margin-top:6px;overflow-x:auto;overscroll-behavior-x:contain}
.bc-chat__bang table{width:100%;border-collapse:collapse;font-size:.8125rem;line-height:1.35}
.bc-chat__bang th,.bc-chat__bang td{padding:5px 8px 5px 0;text-align:left;border-bottom:1px solid var(--e-rule);vertical-align:top}
.bc-chat__bang th{font-weight:600;white-space:nowrap}
.bc-chat__bang .bc-chat__nhom{font-weight:600;color:var(--e-muted);padding-top:9px}
.bc-chat__cap{margin:6px 0 0;font-size:.6875rem;color:var(--e-muted)}
.bc-chat__link{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.bc-chat__tin .bc-chat__link a{
  padding:6px 11px;border:1px solid var(--e-green);border-radius:var(--e-r-sm);
  font-size:.8125rem;font-weight:600;line-height:1.3;text-decoration:none;
}
.bc-chat__tin .bc-chat__link a.bc-chat__link-chinh{background:var(--e-green);color:#04120e}
:root[data-theme="light"] .bc-chat__tin .bc-chat__link a.bc-chat__link-chinh{color:#fff}
.bc-chat__tin--ai{align-self:flex-start;background:var(--e-paper-2);border-bottom-left-radius:4px}
:root:not([data-theme="light"]) .bc-chat__tin--ai{background:var(--e-paper-3)}
.bc-chat__tin--ban{align-self:flex-end;background:var(--e-tint-green-2);border-bottom-right-radius:4px;white-space:pre-wrap}

.bc-chat__goi-y{display:flex;flex-wrap:wrap;gap:6px}
.bc-chat__goi-y button,.bc-chat__goi-y a{
  padding:7px 11px;background:none;border:1px solid var(--e-rule-2);border-radius:14px;
  color:var(--e-ink);font:400 .8125rem/1.3 var(--e-sans);text-align:left;text-decoration:none;cursor:pointer;
}
.bc-chat__goi-y button:hover,.bc-chat__goi-y a:hover{border-color:var(--e-green);color:var(--e-green)}
.bc-chat__nguoi{align-self:flex-start;font-size:.8125rem;font-weight:600;color:var(--e-green);text-decoration:underline}

.bc-chat__cho{display:inline-flex;gap:4px;padding:4px 0}
.bc-chat__cho i{width:6px;height:6px;border-radius:50%;background:var(--e-muted);animation:bc-chat-nhay 1s infinite}
.bc-chat__cho i:nth-child(2){animation-delay:.15s}
.bc-chat__cho i:nth-child(3){animation-delay:.3s}
@keyframes bc-chat-nhay{0%,60%,100%{opacity:.3}30%{opacity:1}}

.bc-chat__nhap{display:flex;align-items:flex-end;gap:8px;padding:10px 12px 8px;border-top:1px solid var(--e-rule)}
.bc-chat__nhap textarea{
  flex:1;min-width:0;max-height:110px;padding:9px 12px;resize:none;
  background:var(--e-paper);color:var(--e-ink);
  border:1px solid var(--e-rule-2);border-radius:var(--e-r-sm);
  font:400 16px/1.4 var(--e-sans);
}
.bc-chat__gui{
  min-height:40px;padding:0 14px;flex:none;border:0;border-radius:var(--e-r-sm);cursor:pointer;
  background:var(--e-green);color:#04120e;font:600 .875rem/1 var(--e-sans);
}
:root[data-theme="light"] .bc-chat__gui{color:#fff}
.bc-chat__gui:disabled{opacity:.5;cursor:default}
.bc-chat__luu-y{margin:0;padding:0 12px 10px;font-size:.6875rem;line-height:1.4;color:var(--e-muted)}
.bc-chat__luu-y a{color:inherit;text-decoration:underline}

@media (max-width:600px){
  .bc-chat-mo{right:14px;width:48px;height:48px;padding:0;justify-content:center}
  .bc-chat-mo span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .bc-chat{inset:auto 0 0;width:100%;height:min(86dvh,100dvh);border-width:1px 0 0;border-radius:var(--e-r) var(--e-r) 0 0}
}
@media (prefers-reduced-motion:reduce){
  .bc-chat-mo{transition:none}
  .bc-chat__cho i{animation:none;opacity:.7}
}
@media print{.bc-chat-mo,.bc-chat{display:none!important}}