:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#202724;background:#fafbfa;font-synthesis:none;--green:#16765d;--line:#e5eae7;--muted:#777e79}.activation-hint{font-size:13px;color:var(--muted);line-height:1.6}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #80bdaa;outline-offset:4px}button svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}button{transition:background .15s,transform .15s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}
.app{max-width:100%;min-height:100dvh;display:flex;flex-direction:column}header{height:89px;border-bottom:1px solid var(--line);display:flex;align-items:center;background:#fff;padding:0 5vw;flex:none}.brand{display:flex;align-items:center;gap:12px}.brand-icon{display:inline-flex;justify-content:center;align-items:center;background:var(--green);color:white;width:36px;height:36px;border-radius:11px;font-size:22px;font-weight:500}h1{font-size:20px;font-weight:600;letter-spacing:1px;margin:0}main{width:min(820px,calc(100% - 40px));margin:auto;flex:1;min-height:130px;position:relative}.empty{height:100%;min-height:140px;display:flex;align-items:center;justify-content:center;padding:45px 0}.empty svg{width:50px;height:50px;stroke:#c6d3cc;stroke-width:1.2}.messages{padding:30px 0 0}.messages:empty{display:none}.message{margin:0 0 32px}.request{display:flex;justify-content:flex-end;flex-direction:column;align-items:flex-end;gap:12px}.prompt-bubble{background:#edf2ef;max-width:86%;padding:14px 20px;border-radius:18px 18px 5px 18px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.request-images{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:7px}.request-images img{width:72px;height:72px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}.reply{margin-top:20px;display:flex;align-items:flex-start;gap:13px}.reply .brand-icon{width:28px;height:28px;font-size:17px;border-radius:8px;flex:none}.reply-content{min-width:0;flex:1}.status{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;min-height:28px;line-height:1.6}.spinner{width:14px;height:14px;border:2px solid #c9dfd5;border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite}.error-text{color:#a1463b}.result{display:block;width:100%;max-width:480px;max-height:580px;object-fit:contain;object-position:left center;border-radius:14px;border:1px solid var(--line);background:white}.result-actions{display:flex;gap:20px;margin-top:13px;align-items:center}.result-actions a,.result-actions button{border:0;background:none;padding:0;color:var(--muted);font-size:14px;text-decoration:none}.result-actions a:hover,.result-actions button:hover{color:var(--green)}
.composer-wrap{width:min(820px,calc(100% - 40px));margin:16px auto 32px;flex:none}.composer{background:white;border:1px solid #dfe6e1;border-radius:20px;padding:22px 24px 18px;box-shadow:0 5px 22px #183e2610;transition:border-color .2s}.composer.dragover{border:2px dashed var(--green);background:#f1f8f4}.upload-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px}.upload-heading label{font-weight:500}.upload-heading span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.image-tray{display:flex;gap:10px;flex-wrap:wrap}.upload-tile{width:88px;height:88px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;background:#fbfcfb;color:#778a7f;border:1px dashed #c9d7cf;border-radius:12px;font-size:13px;flex:none}.upload-tile:hover{background:#f0f7f2;border-color:var(--green);color:var(--green)}.thumb{width:88px;height:88px;position:relative}.thumb img{width:100%;height:100%;object-fit:cover;border-radius:12px;border:1px solid var(--line)}.remove{position:absolute;right:-5px;top:-5px;border:2px solid white;background:#4c5851;color:white;width:23px;height:23px;line-height:18px;padding:0;border-radius:50%;font-size:17px}.thumb-number{position:absolute;bottom:5px;left:5px;background:#202724a0;color:white;padding:1px 5px;border-radius:4px;font-size:12px}.upload-hint{font-size:12px;color:#88918a;margin:12px 0 18px;line-height:1.5}.prompt-area{border-top:1px solid #edf0ee;padding-top:17px}.prompt-area label{font-size:14px;font-weight:500}.prompt-area textarea{display:block;width:100%;border:0;resize:vertical;outline:none;background:transparent;min-height:88px;max-height:300px;padding:12px 0 8px;font-size:16px;line-height:1.7;color:#202724}.prompt-area:focus-within label{color:var(--green)}textarea::placeholder{color:#a0a7a2}.composer-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:6px}.key-hint{font-size:12px;color:#969f98}.send{border:0;display:inline-flex;align-items:center;justify-content:center;gap:14px;color:white;background:var(--green);padding:12px 19px;border-radius:11px;font-size:14px;font-weight:500;min-height:44px}.send:hover:not(:disabled){background:#105c47}.send:disabled{background:#e5eeea;color:#95b2a5}.send svg{width:18px;height:18px}.notice{margin-bottom:12px;font-size:14px;padding:12px 16px;border-radius:12px;background:#fff4eb;color:#94653d;line-height:1.6}.notice.info{background:#eef4f0;color:#597266}
dialog{width:min(390px,calc(100% - 32px));border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 20px 100px #1c382326}dialog::backdrop{background:#f6f9f5b8;backdrop-filter:blur(5px)}dialog h2{font-size:20px;margin:16px 0 28px}dialog label{display:block;font-size:14px;margin-bottom:9px}dialog input{width:100%;border:1px solid #d6e0d8;border-radius:10px;padding:13px;outline-color:var(--green);font-size:16px}dialog .send{width:100%}#login-error{font-size:14px;color:#a1463b;min-height:18px}
@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*{animation-duration:0s!important;transition:none!important}}@media(min-height:850px){.composer-wrap{margin-bottom:6vh}.empty{min-height:300px}}@media(max-width:600px){header{height:70px;padding:0 20px}h1{font-size:18px}.brand-icon{width:32px;height:32px;font-size:20px}main,.composer-wrap{width:calc(100% - 24px)}.composer-wrap{margin-bottom:16px}.composer{padding:18px 16px 14px;border-radius:17px}.empty{min-height:150px;padding:30px 0}.upload-tile,.thumb{width:72px;height:72px}.image-tray{gap:9px}.upload-tile{font-size:12px}.key-hint{display:none}.composer-footer{justify-content:flex-end}.prompt-bubble{max-width:94%}.messages{padding:22px 4px 0}.reply{gap:8px}.result{max-height:none}.notice{font-size:13px}}