:root{color-scheme:dark;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:#101112;color:#ececee;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;border:0;color:inherit}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.login{min-height:100dvh;display:grid;place-items:center;padding:28px}.login-card{max-width:360px;width:100%;text-align:center}.login h1{font-size:25px;font-weight:600;margin:22px 0 12px}.login p{font-size:14px;color:#a0a1aa;line-height:1.8}.login input{margin:18px 0 12px;width:100%;padding:16px;background:#1d1e22;color:#fff;border:1px solid #34353e;border-radius:14px;outline:none}.login input:focus{border-color:#8980fa}.primary{width:100%;border-radius:14px;padding:15px;background:#7567ee;color:#fff;font-weight:600}.login small{color:#686a75;font-size:12px}#login-error{color:#e49a9a;min-height:25px}#chat{height:100dvh;display:flex;flex-direction:column;max-width:900px;margin:auto}header{height:77px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid #222329;position:relative;background:#101112;z-index:2}.brand{display:flex;gap:12px;align-items:center}.brand strong{display:block;font-weight:600;font-size:17px}.brand span{display:block;color:#898b98;font-size:11px;margin-top:3px}.header-actions{display:flex;gap:8px}.icon{background:transparent;font-size:26px;border-radius:12px;width:39px;height:39px;color:#b4b4c0}.icon:hover{background:#24252b}.menu{position:absolute;right:15px;top:65px;background:#25262d;box-shadow:0 10px 35px #0007;border:1px solid #36373e;padding:6px;border-radius:13px}.menu button{display:block;width:100%;text-align:left;background:none;padding:12px 18px;border-radius:8px;font-size:14px}.menu button:hover{background:#36373f}main{flex:1;overflow:auto;padding:24px 20px 8px;scroll-behavior:smooth;overscroll-behavior:contain}.welcome{height:100%;min-height:270px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:8vh}.welcome h1{font-size:23px;font-weight:500;margin:21px 0 8px}.welcome p{color:#7f818e;font-size:13px;margin:0 0 28px}.suggestions{display:flex;gap:9px;flex-wrap:wrap;justify-content:center}.suggestions button{background:#1b1c21;color:#a5a5b3;border:1px solid #2a2b32;padding:11px 13px;border-radius:13px;font-size:12px}.message{margin:0 0 28px;line-height:1.85;font-size:15px;overflow-wrap:anywhere}.message.user{margin-left:auto;max-width:88%;width:fit-content;background:#292932;border-radius:19px 19px 5px 19px;padding:10px 16px;white-space:pre-wrap}.message.assistant{max-width:100%;padding:0 2px}.message.assistant .label{display:flex;align-items:center;gap:8px;color:#a3a3b4;font-size:11px;margin-bottom:10px}.message .content{white-space:pre-wrap}.message pre{white-space:pre-wrap;background:#1d1e24;border:1px solid #2b2d35;border-radius:12px;padding:14px;font:13px/1.7 ui-monospace,Consolas,monospace;overflow-wrap:anywhere}.message .copy{margin-top:10px;color:#818391;background:none;padding:2px 0;font-size:11px}.message .copy:hover{color:#ccc}.typing{color:#9e91ff}#notice{font-size:12px;color:#dea6a6;padding:0 22px;min-height:0}#notice:not(:empty){padding-top:8px;padding-bottom:8px}#model-panel{margin:4px 20px 9px;padding:12px;background:#1f1d2b;border:1px solid #373048;border-radius:12px;display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:8px}#model-panel button{background:#796ae5;padding:8px 13px;border-radius:9px;white-space:nowrap}footer{flex-shrink:0;padding:8px 14px max(9px,env(safe-area-inset-bottom));background:#101112}#composer{border:1px solid #33343b;background:#202126;border-radius:22px;padding:15px 14px 10px}textarea{display:block;width:100%;resize:none;background:transparent;color:#ededf2;border:0;outline:none;line-height:1.6;min-height:28px;max-height:150px;font-size:15px;padding:0 3px}textarea::placeholder{color:#868794}.composer-bottom{margin-top:13px;display:flex;align-items:center;justify-content:space-between}.composer-bottom span{font-size:10px;color:#777986;padding-left:4px}.composer-bottom i{font-style:normal;padding:0 4px;color:#555663}.send{border-radius:50%;background:#d9d7eb;color:#23222d;width:34px;height:34px;font-size:22px;font-weight:600;line-height:1}#stop{font-size:12px}footer>small{display:block;text-align:center;color:#5b5e6a;font-size:9px;padding-top:9px}@media(min-width:700px){header{padding:14px 28px}main{padding:30px 60px}footer{padding-left:54px;padding-right:54px}}@media(prefers-reduced-motion:reduce){main{scroll-behavior:auto}}