:root{--bg: #fff8f0;--panel: #ffffff;--text: #2d2a26;--muted: #8a8178;--line: #f0e6da;--accent: #ff8a3d;--radius: 20px;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;color:var(--text);background:var(--bg);-webkit-tap-highlight-color:transparent}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}button:disabled{cursor:default;opacity:.45}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;color:var(--text)}.icon-button:hover:not(:disabled){background:#0000000d}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.access{display:grid;place-items:center;height:100%;padding:24px}.access-card{display:flex;flex-direction:column;align-items:center;gap:12px;width:min(360px,100%);padding:36px 28px;border-radius:28px;background:var(--panel);box-shadow:0 12px 40px #ff8a3d26}.access-logo{width:96px;height:96px;border-radius:26px;box-shadow:0 6px 20px #ff8a3d40}.access h1{margin:0;font-size:28px}.access p{margin:0 0 8px;color:var(--muted)}.access input{width:100%;padding:14px 16px;font-size:17px;border:2px solid var(--line);border-radius:14px;outline:none}.access input:focus{border-color:var(--accent)}.access button{display:flex;justify-content:center;width:100%;padding:14px;font-size:17px;font-weight:600;color:#fff;border-radius:14px;background:var(--accent)}.access-error{color:#d63c3c;font-size:14px}.app{display:grid;grid-template-columns:290px 1fr;height:100%}.drawer-only{display:none!important}.sidebar{display:flex;flex-direction:column;min-height:0;padding:16px 12px;padding-top:max(16px,env(safe-area-inset-top));border-right:1px solid var(--line);background:var(--panel)}.sidebar-backdrop{display:none}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:0 8px 12px}.brand{display:inline-flex;align-items:center;gap:8px;font-size:22px;font-weight:800;color:var(--accent)}.brand img{width:30px;height:30px;border-radius:9px}.agent-list{display:flex;flex-direction:column;gap:4px}.agent-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:16px;text-align:left}.agent-item:hover{background:var(--bg)}.agent-item.active{background:color-mix(in srgb,var(--agent-color) 14%,white)}.agent-avatar{display:grid;place-items:center;flex:none;width:44px;height:44px;font-size:26px;border-radius:14px;background:color-mix(in srgb,var(--agent-color) 22%,white)}.agent-text{display:flex;flex-direction:column;min-width:0}.agent-text small{color:var(--muted);font-size:12px}.new-chat{display:flex;align-items:center;justify-content:center;gap:6px;margin:14px 4px 10px;padding:11px;font-weight:600;color:var(--accent);border:2px dashed color-mix(in srgb,var(--accent) 45%,white);border-radius:14px}.new-chat:hover{background:color-mix(in srgb,var(--accent) 8%,white)}.history{flex:1;min-height:0;overflow-y:auto}.history-empty{padding:12px;color:var(--muted);font-size:14px;text-align:center}.history-item{display:flex;align-items:center;border-radius:12px}.history-item:hover,.history-item.active{background:var(--bg)}.history-item.active .history-title{font-weight:600}.history-title{flex:1;min-width:0;padding:10px 12px;overflow:hidden;font-size:14px;text-align:left;text-overflow:ellipsis;white-space:nowrap}.history-delete{display:none;padding:8px 10px;color:var(--muted)}.history-item:hover .history-delete,.history-item.active .history-delete{display:block}.sidebar-foot{display:flex;justify-content:space-between}.logout{display:flex;align-items:center;gap:6px;padding:10px 12px;color:var(--muted);font-size:14px;text-decoration:none}.chat{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;height:100%}.chat-header{display:flex;align-items:center;gap:8px;padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top));border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chat-title{display:flex;flex:1;align-items:center;gap:10px;min-width:0}.chat-title-avatar{font-size:30px}.chat-title div{display:flex;flex-direction:column}.chat-title strong{font-size:17px}.chat-title small{color:var(--muted);font-size:11px}.message-list{display:flex;flex:1;flex-direction:column;gap:16px;min-height:0;padding:20px max(16px,calc((100% - 760px)/2));overflow-y:auto}.center-hint{display:grid;flex:1;place-items:center;color:var(--muted)}.welcome{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px 0;text-align:center}.welcome-avatar{display:grid;place-items:center;width:96px;height:96px;font-size:56px;border-radius:32px;background:color-mix(in srgb,var(--accent) 18%,white)}.welcome-greeting{max-width:420px;margin:0;font-size:19px;font-weight:600}.starters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:520px}.starters button{padding:10px 16px;font-size:15px;border:1.5px solid color-mix(in srgb,var(--accent) 35%,white);border-radius:999px;background:var(--panel)}.starters button:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 10%,white)}.message{display:flex;gap:10px;align-items:flex-start}.message.user{justify-content:flex-end}.message-avatar{flex:none;font-size:28px;line-height:36px}.message-body{display:flex;flex-direction:column;gap:8px;max-width:min(78%,600px)}.message.user .message-body{align-items:flex-end}.bubble{padding:11px 15px;font-size:16px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:var(--radius)}.message.assistant .bubble{border-top-left-radius:6px;background:var(--panel);box-shadow:0 1px 3px #0000000d}.message.user .bubble{color:#fff;border-top-right-radius:6px;background:var(--accent)}.message.error .bubble{color:#b23030;background:#fff0f0}.typing{display:inline-flex;gap:4px;padding:6px 2px}.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:bounce 1.2s infinite ease-in-out}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}.message-actions{display:flex;margin-top:-4px}.message-actions button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:30px;color:var(--muted);border-radius:10px}.message-actions button:hover,.message-actions button.active{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,white)}.playing-bars{display:inline-flex;align-items:center;gap:2.5px;height:18px}.playing-bars i{width:3px;height:15px;border-radius:2px;background:currentColor;animation:bar-bounce 1s ease-in-out infinite}.playing-bars i:nth-child(2){animation-delay:.18s}.playing-bars i:nth-child(3){animation-delay:.36s}.playing-bars i:nth-child(4){animation-delay:.54s}@keyframes bar-bounce{0%,to{transform:scaleY(.3)}50%{transform:scaleY(1)}}.tts-auto-on{color:var(--accent)}.message-images{display:flex;flex-wrap:wrap;gap:8px}.message.user .message-images{justify-content:flex-end}.message-image{padding:0;overflow:hidden;border-radius:16px}.message-image img{display:block;max-width:min(320px,100%);max-height:320px;object-fit:cover}.drawing{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:220px;height:220px;color:var(--muted);border-radius:16px;background:linear-gradient(110deg,#fff 30%,color-mix(in srgb,var(--accent) 15%,white),#fff 70%);background-size:250% 100%;animation:shimmer 1.6s linear infinite}.drawing span{font-size:40px;animation:wiggle .8s ease-in-out infinite alternate}@keyframes shimmer{to{background-position:-150% 0}}@keyframes wiggle{0%{transform:rotate(-12deg)}to{transform:rotate(12deg)}}.toast{position:absolute;bottom:96px;left:50%;z-index:5;max-width:90%;padding:10px 16px;color:#fff;font-size:14px;border-radius:12px;background:#281e14e0;transform:translate(-50%)}.composer{width:100%;max-width:800px;margin:0 auto;padding:8px 12px;padding-bottom:max(12px,env(safe-area-inset-bottom))}.composer-images{display:flex;gap:8px;padding:0 4px 8px}.composer-image{position:relative}.composer-image img{width:64px;height:64px;object-fit:cover;border-radius:12px}.composer-image button{position:absolute;top:-6px;right:-6px;display:grid;place-items:center;width:22px;height:22px;color:#fff;border-radius:50%;background:#0009}.composer-row{display:flex;align-items:flex-end;gap:6px;padding:6px;border:1.5px solid var(--line);border-radius:26px;background:var(--panel);box-shadow:0 4px 16px #0000000a}.composer-row:focus-within{border-color:color-mix(in srgb,var(--accent) 50%,white)}.composer textarea{flex:1;min-height:42px;padding:10px 4px;font:inherit;font-size:16px;line-height:22px;border:none;outline:none;resize:none;background:transparent}.send-button{display:grid;flex:none;place-items:center;width:42px;height:42px;color:#fff;border-radius:50%;background:var(--accent)}.hold-to-talk{display:flex;flex:1;align-items:center;justify-content:center;gap:6px;min-width:0;height:42px;color:var(--muted);font-size:16px;font-weight:600;border-radius:21px;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:none}.hold-to-talk-label{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.hold-to-talk.recording,.hold-to-talk.will-cancel{color:#fff;background:var(--accent)}.hold-to-talk.will-cancel{background:#e2574a}.hold-to-talk.transcribing{color:var(--accent)}.voice-record-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;background:#00000047;pointer-events:none}.voice-record-panel{display:grid;place-items:center;gap:8px;width:168px;padding:22px 16px 18px;color:#fff;border-radius:18px;background:#2d2a26eb}.voice-record-panel.will-cancel{background:#c53e31f0}.voice-record-timer{font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}.voice-record-hint{font-size:13px;opacity:.85}.viewer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:24px;background:#000000e0}.viewer img{max-width:100%;max-height:100%;border-radius:12px}.viewer-actions{position:absolute;top:max(12px,env(safe-area-inset-top));right:12px;display:flex;gap:8px}.viewer-actions .icon-button{color:#fff;background:#ffffff26}@media(max-width:860px){.app{grid-template-columns:1fr}.drawer-only{display:inline-flex!important}.sidebar{position:fixed;inset:0 auto 0 0;z-index:10;width:min(300px,85vw);transform:translate(-100%);transition:transform .22s ease}.sidebar.open{transform:none;box-shadow:8px 0 32px #0000001f}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9;display:block;background:#0000004d;opacity:0;pointer-events:none;transition:opacity .22s ease}.sidebar-backdrop.open{opacity:1;pointer-events:auto}.history-delete{display:block}.message-body{max-width:85%}}