.qwen-chat{box-sizing:border-box;max-width:980px;margin:48px auto 96px auto;padding:0 18px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#111827}
.qwen-chat *{box-sizing:border-box}
.qwen-chat__title{font-size:clamp(34px,5vw,56px);line-height:1.08;text-align:center;margin:32px 0 28px 0;font-weight:650;letter-spacing:-.03em}
.qwen-chat__card{border:1px solid rgba(17,24,39,.10);border-radius:16px;background:#fff;box-shadow:0 14px 44px rgba(17,24,39,.08);padding:18px}
.qwen-chat__messages{display:flex;flex-direction:column;gap:18px;margin-bottom:16px}
.qwen-chat__msg{display:flex;flex-direction:column;max-width:82%}
.qwen-chat__msg--user{align-self:flex-end;align-items:flex-end}
.qwen-chat__msg--assistant{align-self:flex-start;align-items:flex-start}
.qwen-chat__msgMeta{font-size:12px;line-height:1.3;color:#6b7280;margin:0 0 6px 0}
.qwen-chat__bubble{font-size:16px;line-height:1.68;border-radius:16px;padding:13px 16px;white-space:normal;overflow-wrap:anywhere}
.qwen-chat__msg--assistant .qwen-chat__bubble{background:#f3f4f6;color:#111827;border-top-left-radius:6px}
.qwen-chat__msg--user .qwen-chat__bubble{background:#1d4ed8;color:#fff;border-top-right-radius:6px}
.qwen-chat__bubble.is-thinking{color:#6b7280}
.qwen-chat__bubble.is-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.qwen-chat__bubble pre{margin:12px 0;padding:12px;border-radius:10px;background:#111827;color:#f9fafb;overflow:auto;font-size:14px;line-height:1.5}
.qwen-chat__bubble code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.qwen-chat__form{display:flex;gap:12px;align-items:flex-start;border-top:1px solid rgba(17,24,39,.08);padding-top:16px}
.qwen-chat__input{flex:1;min-height:76px;max-height:220px;resize:vertical;border:1px solid rgba(17,24,39,.18);border-radius:12px;padding:12px 14px;font-size:15px;line-height:1.5;outline:none;background:#fff;color:#111827}
.qwen-chat__input:focus{border-color:#1d4ed8;box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.qwen-chat__actions{display:flex;flex-direction:column;gap:10px;min-width:118px}
.qwen-chat__btn,.qwen-chat__clear{border:0;border-radius:10px;padding:11px 14px;font-size:14px;line-height:1.2;cursor:pointer;white-space:nowrap}
.qwen-chat__btn{background:#1d4ed8;color:#fff;font-weight:650}
.qwen-chat__btn:disabled{opacity:.6;cursor:not-allowed}
.qwen-chat__clear{background:#f3f4f6;color:#374151}
.qwen-chat__debug{margin-top:12px;border-radius:10px;background:#f9fafb;border:1px solid rgba(17,24,39,.10);padding:10px 12px;white-space:pre-wrap;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#374151}
@media (max-width:720px){.qwen-chat{margin:28px auto 64px auto;padding:0 12px}.qwen-chat__card{padding:14px;border-radius:14px}.qwen-chat__msg{max-width:94%}.qwen-chat__form{flex-direction:column}.qwen-chat__actions{width:100%;flex-direction:row}.qwen-chat__btn,.qwen-chat__clear{flex:1}.qwen-chat__input{width:100%}}