.hd-ai[hidden]{display:none!important}
.hd-ai{position:fixed;inset:0;z-index:1200}
.hd-ai__backdrop{position:absolute;inset:0;background:rgba(17,24,39,.45)}
.hd-ai__panel{position:absolute;right:24px;bottom:24px;width:420px;max-width:calc(100% - 32px);height:min(660px,calc(100% - 48px));background:#fff;border-radius:16px;box-shadow:0 24px 64px rgba(17,24,39,.28);display:flex;flex-direction:column;overflow:hidden;color:#111827}
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.hd-ai__msg p{margin:0 0 6px}
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.hd-ai__msg ul{margin:4px 0 6px;padding-left:18px}
.hd-ai__msg--bot{background:#fff;border:1px solid #e5e7eb;align-self:flex-start;border-bottom-left-radius:4px}
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.hd-ai__typing span{width:7px;height:7px;border-radius:50%;background:#9ca3af;animation:hdAiDot 1.2s infinite ease-in-out}
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@keyframes hdAiDot{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
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.hd-ai__foot button{border:0;background:none;padding:0;font:inherit;font-weight:600;color:#c4502a;text-decoration:underline;cursor:pointer}
body.hd-ai-open{overflow:hidden}
@media (max-width:600px){.hd-ai__panel{right:0;bottom:0;width:100%;max-width:100%;height:100%;border-radius:0}}