.ask-page{max-width:720px;margin:0 auto;padding:0 0 100px;min-height:calc(100vh - 120px);display:flex;flex-direction:column}.ask-header{text-align:center;padding:36px 0 24px;border-bottom:1px solid var(--line);margin-bottom:24px}.ask-title{font-size:26px;font-weight:700;margin:0 0 6px;color:var(--fg)}.ask-subtitle{font-size:13px;color:var(--muted);margin:0}.chat-container{flex:1;display:flex;flex-direction:column;gap:16px}.welcome-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;text-align:center}.welcome-card[hidden]{display:none}.welcome-icon{font-size:40px;margin-bottom:12px}.welcome-title{font-size:20px;font-weight:700;margin:0 0 8px;color:var(--fg)}.welcome-body{font-size:14px;color:var(--muted);margin:0 0 20px}.example-queries{display:flex;flex-direction:column;gap:8px;text-align:left}.example-btn{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-size:13px;color:var(--fg);cursor:pointer;text-align:left;font-family:inherit;transition:border-color .15s,background .15s}.example-btn:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.messages{display:flex;flex-direction:column;gap:16px}.messages[hidden]{display:none}.msg{display:flex;gap:10px;align-items:flex-start}.msg.user{flex-direction:row-reverse}.msg-avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.msg.assistant .msg-avatar{background:var(--brand-soft)}.msg.user .msg-avatar{background:var(--line)}.msg-bubble{max-width:85%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.6}.msg.assistant .msg-bubble{background:var(--card);border:1px solid var(--line);border-radius:4px 12px 12px;color:var(--fg)}.msg-markdown{font-size:14px;line-height:1.7;color:var(--fg)}.msg-markdown p{margin:0 0 8px}.msg-markdown p:last-child{margin-bottom:0}.msg-markdown h3{font-size:15px;font-weight:700;margin:12px 0 6px;color:var(--fg)}.msg-markdown h3:first-child{margin-top:0}.msg-markdown h4{font-size:13px;font-weight:600;margin:10px 0 4px;color:var(--fg)}.msg-markdown ul{margin:6px 0;padding-left:20px}.msg-markdown li{margin:3px 0}.msg-markdown a{color:var(--brand);text-decoration:none}.msg-markdown a:hover{text-decoration:underline}.msg-markdown strong{font-weight:600}.msg-markdown code{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:12px;font-family:Fira Code,Cascadia Code,monospace}.msg-markdown pre{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px 12px;overflow-x:auto;font-size:12px;line-height:1.5}.msg-markdown pre code{background:none;border:none;padding:0}.msg-markdown ol{margin:6px 0;padding-left:22px}.msg-markdown ol li{margin:3px 0}.msg-markdown blockquote{margin:8px 0;padding:4px 12px;border-left:3px solid var(--line);color:var(--muted)}.msg.user .msg-bubble{background:var(--brand);color:#fff;border-radius:12px 4px 12px 12px}.resource-card{display:block;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:8px 0;text-decoration:none;transition:border-color .15s}.resource-card:hover{border-color:var(--brand);text-decoration:none}.resource-card-title{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:4px}.resource-card-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.resource-card-summary{font-size:13px;color:var(--fg);margin:6px 0 0}.resource-card-ai-summary{font-size:13px;color:var(--fg);margin:6px 0 0;padding-left:8px;border-left:2px solid var(--brand);font-style:italic}.resource-card-ai-summary:before{content:"💡 "}.thinking-dots{display:inline-flex;gap:4px;padding:4px 0}.thinking-dots span{width:6px;height:6px;background:var(--muted);border-radius:50%;animation:dot-bounce 1.2s infinite}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}@keyframes dot-bounce{0%,80%,to{transform:scale(.8);opacity:.4}40%{transform:scale(1);opacity:1}}.msg-feedback{display:flex;gap:8px;margin-top:6px}.feedback-btn{background:none;border:1px solid var(--line);border-radius:6px;padding:3px 10px;font-size:12px;cursor:pointer;color:var(--muted);font-family:inherit;transition:all .15s}.feedback-btn:hover{border-color:var(--brand);color:var(--brand)}.feedback-btn.active{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}.feedback-hint{align-self:center;font-size:11px;color:var(--muted);margin-left:2px}.input-area{position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--line);padding:12px 0 8px;margin-top:auto}.input-wrap{display:flex;gap:8px;align-items:flex-end;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 8px 8px 14px;transition:border-color .15s}.input-wrap:focus-within{border-color:var(--brand)}.question-input{flex:1;background:none;border:none;outline:none;font-size:14px;color:var(--fg);font-family:inherit;resize:none;line-height:1.5;min-height:24px;max-height:120px;overflow-y:auto}.question-input::placeholder{color:var(--muted)}.send-btn{width:36px;height:36px;background:var(--brand);border:none;border-radius:8px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.send-btn:hover{background:#2563eb}.send-btn:disabled{background:var(--line);cursor:not-allowed}.input-hint{font-size:11px;color:var(--muted);margin:4px 0 0;text-align:center}.new-chat-btn{display:flex;align-items:center;gap:6px;margin:12px auto 0;background:none;border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-size:13px;color:var(--muted);cursor:pointer;font-family:inherit;transition:all .15s}.new-chat-btn:hover{border-color:var(--brand);color:var(--brand)}.new-chat-btn[hidden]{display:none}[data-theme=dark] .msg.user .msg-bubble{background:var(--brand);color:#fff}html[data-embed="1"] .ask-header{display:none}html[data-embed="1"] .back-to-top,html[data-embed="1"] .reading-progress{display:none!important}html[data-embed="1"] header.site{display:none!important}html[data-embed="1"] footer.site{display:none!important}html[data-embed="1"] .hamburger-btn,html[data-embed="1"] .mobile-drawer,html[data-embed="1"] .mobile-tab-bar,html[data-embed="1"] .fb-root,html[data-embed="1"] .cmp-bar,html[data-embed="1"] .kbd-help,html[data-embed="1"] .entry-preview,html[data-embed="1"] .ask-fab{display:none!important}html[data-embed="1"] main.container{max-width:none;padding:0}html[data-embed="1"] body{padding-bottom:0!important}html[data-embed="1"] .ask-page{max-width:none;margin:0;padding:0 12px 12px;min-height:100vh}html[data-embed="1"] .chat-container{padding-top:12px}.suggestion-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.suggestion-label{font-size:.82em;color:var(--muted);margin-right:2px}.suggestion-btn{background:var(--card-bg);border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-size:.82em;color:var(--text);cursor:pointer;transition:background .15s,border-color .15s;line-height:1.4}.suggestion-btn:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}