:root{--bg: #e9ecef;--ink: #111;--muted: #666;--brand: #1c6b4a;--brand-strong: #145239;--panel: #fff;--line: rgba(0, 0, 0, .08);--danger: #b42318;--bot-bg: #fff;--user-bg: #95ec69;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg)}.btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;font-size:14px;cursor:pointer}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.chat-app{display:flex;flex-direction:column;height:100%;max-width:720px;margin:0 auto;background:var(--bg)}.chat-header{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--panel);border-bottom:1px solid var(--line)}.chat-header h1{margin:0;font-size:17px}.chat-eyebrow{margin:0;font-size:11px;color:var(--muted)}.chat-badge{margin-left:auto;border:none;background:var(--brand);color:#fff;border-radius:999px;padding:4px 10px;font-size:12px}.chat-icon-btn{border:none;background:transparent;font-size:18px;cursor:pointer;color:var(--muted)}.chat-setup{margin:10px 12px 0;padding:12px;background:var(--panel);border-radius:12px;border:1px solid var(--line)}.chat-setup label{display:grid;gap:6px;font-size:12px;color:var(--muted)}.chat-setup input{border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:14px}.chat-setup .btn{margin-top:10px;width:100%}.chat-setup-actions{display:grid;gap:8px}.chat-auth-loading{margin:10px 12px 0;padding:16px;text-align:center;background:var(--panel);border-radius:12px;border:1px solid var(--line);color:var(--muted);font-size:14px}.chat-error{margin:8px 12px 0;padding:8px 10px;background:#fef3f2;color:var(--danger);border-radius:8px;font-size:13px}.chat-list{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}.chat-item{display:flex;max-width:92%}.chat-item.is-user{align-self:flex-end}.chat-item.is-bot{align-self:flex-start}.chat-bubble{padding:10px 12px;border-radius:8px;font-size:15px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.is-user .chat-bubble{background:var(--user-bg)}.is-bot .chat-bubble{background:var(--bot-bg);border:1px solid var(--line)}.chat-footer{background:var(--panel);border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom))}.chat-shortcuts{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px}.chat-chip{flex-shrink:0;border:1px solid var(--line);background:#f7f7f7;border-radius:999px;padding:6px 12px;font-size:12px;cursor:pointer}.chat-input-row{display:flex;gap:8px}.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:15px}.chat-card{width:min(100%,320px);background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13px}.chat-card-source{padding:6px 10px;background:#f5f5f5;color:var(--muted);font-size:12px}.chat-card-source.danger{background:#fef3f2;color:var(--danger)}.chat-card-head{padding:10px 12px 0;display:grid;gap:4px}.chat-card-head strong{font-size:14px;line-height:1.4}.chat-card-head span{color:var(--muted);font-size:12px}.chat-card-rows{list-style:none;margin:8px 0 0;padding:0 12px}.chat-card-rows li{display:flex;gap:8px;padding:8px 0;border-top:1px solid var(--line)}.chat-card-rows .idx{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:#e8f3ee;color:var(--brand);font-size:12px;font-weight:600;display:grid;place-items:center}.chat-card-rows .val{line-height:1.45}.chat-card-quote{margin:8px 12px 0;padding:8px;background:#fafafa;border-radius:8px;white-space:pre-wrap;font-family:inherit;font-size:12px;line-height:1.5}.chat-card-foot{margin:8px 12px 0;color:var(--muted);font-size:12px;line-height:1.45;white-space:pre-wrap}.chat-card-actions{display:flex;border-top:1px solid var(--line);margin-top:10px}.chat-card-btn{flex:1;border:none;background:#fff;padding:12px 6px;font-size:14px;cursor:pointer;border-right:1px solid var(--line)}.chat-card-btn:last-child{border-right:none}.chat-card-btn.style-3{color:var(--brand);font-weight:600}