.book-conversation{margin-top:64px;padding:36px;background:var(--panel-soft);border:1px solid var(--rule);border-radius:4px}.conversation-heading{display:flex;align-items:center;gap:20px}.conversation-mark{display:grid;place-items:center;width:48px;height:54px;color:var(--accent);border:1px solid var(--rule);font:27px Georgia,serif;flex-shrink:0}.conversation-heading .eyebrow{color:var(--muted);font-size:9px}.conversation-heading h2{margin-top:8px;font-size:34px;letter-spacing:-.03em}.conversation-intro{max-width:720px;margin:22px 0;color:var(--muted);font-size:14px;line-height:1.8}.llm-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.llm-option{padding:17px 16px;border:1px solid var(--rule);border-radius:4px;background:var(--page);color:var(--text);transition:border-color .15s,background .15s;min-width:0}.llm-option:hover{border-color:var(--accent);background:var(--panel);color:var(--text)}.llm-label{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600}.llm-label svg{margin-left:auto;color:var(--muted)}.llm-label i{width:6px;height:6px;background:var(--provider);border-radius:50%;flex-shrink:0}.llm-option small{display:block;margin-top:8px;color:var(--muted);font-size:11px}.llm-claude{--provider:#bc6745}.llm-chatgpt{--provider:#24866d}.llm-gemini{--provider:#5f82cd}.llm-perplexity{--provider:#2d939b}.prompt-copy{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin-top:14px;padding:13px 18px;border:1px dashed var(--rule);border-radius:4px;background:transparent;color:var(--text);font-size:13px;min-height:46px}.prompt-copy:hover{border-color:var(--accent);background:var(--panel)}.action-status{color:var(--accent);font-size:12px;line-height:1.7;margin-top:8px}.action-status:empty{margin:0}.prompt-preview{margin-top:15px;font-size:12px}.prompt-preview summary{cursor:pointer;width:fit-content;color:var(--muted);padding:6px 0}.prompt-preview textarea,.share-link-fallback{width:100%;margin-top:12px;padding:16px;color:var(--text);background:var(--page);border:1px solid var(--rule);border-radius:3px;font:13px/1.7 Arial,sans-serif;resize:vertical}.prompt-preview textarea:focus-visible{outline:2px solid var(--focus);outline-offset:4px}.conversation-notice{color:var(--muted);font-size:11px;line-height:1.9;max-width:850px;margin-top:12px}.book-sharing{margin-top:28px;padding-top:26px;border-top:1px solid var(--rule)}.book-sharing h3{font-size:24px;letter-spacing:-.02em}.book-sharing>div>p{font-size:12px;color:var(--muted);margin-top:8px}.share-options{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.share-option{display:inline-flex;gap:8px;align-items:center;justify-content:center;min-height:44px;padding:10px 13px;border:1px solid var(--rule);border-radius:3px;color:var(--text);background:var(--page);font-size:11px}.share-option:hover{border-color:var(--accent);color:var(--accent)}@media (max-width:760px){.book-conversation{padding:24px}.llm-options{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:420px){.book-conversation{padding:20px 16px}.conversation-mark{display:none}.conversation-heading h2{font-size:30px}.llm-options{gap:9px}.llm-option{padding:14px 10px}.llm-label{gap:6px;font-size:13px}.llm-option small{font-size:10px}.share-option{flex:1 0 auto}}@media (prefers-reduced-motion:reduce){.llm-option{transition:none}}