:root{color-scheme:dark;--bg:#0c1019;--panel:#111722;--border:#242c3c;--text:#e8edf7;--muted:#8591a8;--accent:#aaa0f5;--mint:#92d4bf;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.5}button,input,textarea{outline:none}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.hidden{display:none!important}.muted{color:var(--muted);line-height:1.8}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2.4px;color:var(--accent)}.brand-symbol{font-size:54px;font-weight:650;letter-spacing:-8px;color:#e8e5ff;line-height:1}.brand-symbol span{color:var(--mint);letter-spacing:0}.brand-symbol.small{font-size:35px;letter-spacing:-5px}.login-view{min-height:100dvh;display:grid;place-items:center;padding:30px;background:radial-gradient(ellipse at 50% 10%,#212039 0,transparent 55%)}.login-card{width:100%;max-width:370px}.login-card h1{font-size:32px;letter-spacing:-1px;margin:26px 0 12px}.login-card .eyebrow{margin-top:30px}.login-card form{margin-top:34px}.login-card label{display:block;color:#bbc3d4;font-size:12px;margin:20px 0 9px}input{width:100%;border:1px solid var(--border);background:var(--panel);padding:14px;border-radius:10px;color:var(--text)}.primary{border:0;background:#b5a9f7;color:#19142d;border-radius:9px;padding:12px 18px;font-weight:600}.login-card .primary{width:100%;display:flex;justify-content:space-between;padding:15px 18px}.error{min-height:20px;color:#f4a5a5;font-size:12px}.login-footer{font-size:9px;letter-spacing:2px;text-align:center;color:#69748a;margin-top:30px}.app{display:flex;height:100dvh;overflow:hidden}aside{width:264px;background:#101520;border-right:1px solid #1d2432;display:flex;flex-direction:column;padding:28px 18px 0;flex-shrink:0}.brand{display:flex;gap:15px;align-items:center;padding:0 12px}.brand strong{font-size:19px;letter-spacing:-.3px;display:block}.brand>div:not(.brand-symbol)>span{display:block;color:var(--muted);font-size:10px;margin-top:4px;letter-spacing:1px}.new-chat{border:1px solid #39324f;background:#211d33;border-radius:10px;padding:13px 15px;display:flex;align-items:center;gap:12px;margin-top:34px;color:#d2c9ff;text-align:left}.new-chat>span{font-size:20px;line-height:1}.new-chat kbd{margin-left:auto;font-size:10px;color:#8f83b9;border:1px solid #524567;padding:1px 5px;border-radius:3px}.section-label{display:flex;justify-content:space-between;color:#717d94;font-size:10px;padding:28px 12px 13px;letter-spacing:1px}nav{flex:1;overflow-y:auto}.conversation{background:transparent;border:0;width:100%;display:flex;gap:10px;text-align:left;padding:13px 12px;border-radius:9px;color:#9da9bf;margin-bottom:4px;align-items:center}.conversation span:first-child{font-size:15px;opacity:.6}.conversation .conversation-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.conversation.active{background:#212636;color:#ede9ff}.conversation.active:after{content:"";width:5px;height:5px;background:var(--accent);border-radius:50%}.conversation:hover{background:#1c2230}.nav-empty{padding:10px 12px;color:#58657d;line-height:1.8;font-size:11px}.sidebar-footer{display:flex;align-items:center;gap:10px;padding:20px 6px;margin-top:15px;border-top:1px solid #252c3b}.avatar{display:grid;place-items:center;width:33px;height:33px;background:#29332f;color:#afe2cc;border-radius:10px;font-size:12px}.sidebar-footer strong{font-size:11px;display:block;font-weight:500}.sidebar-footer span{display:block;color:#6d7990;font-size:10px;margin-top:5px}.sidebar-footer .icon-button{margin-left:auto}.icon-button{border:0;background:transparent;padding:6px 9px;border-radius:6px;color:#8f9bb2;font-size:18px}.icon-button:hover{background:#252c3b;color:var(--text)}main{min-width:0;flex:1;display:flex;flex-direction:column}header{height:75px;border-bottom:1px solid #1b2331;display:flex;align-items:center;justify-content:space-between;padding:0 35px;flex-shrink:0;gap:15px}.header-left,.header-right{display:flex;align-items:center;gap:12px;min-width:0}.header-left>span:last-child{font-size:12px;color:#a7b2c8;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.header-dot{width:5px;height:5px;background:#5c677c;border-radius:50%}.status{border:1px solid #2e3837;border-radius:20px;padding:6px 10px;font-size:9px;letter-spacing:.5px;white-space:nowrap;color:#a3c6b8;background:#17211f}.status.offline{color:#ccb58b;border-color:#463b29;background:#211d16}#chat-scroll{flex:1;min-height:0;overflow:auto;scroll-behavior:smooth}.welcome{max-width:720px;margin:auto;padding:clamp(55px,11vh,115px) 35px 35px}.welcome h1{font-size:clamp(28px,3.5vw,42px);font-weight:500;letter-spacing:-1.5px;margin:24px 0 20px}.welcome>p:not(.eyebrow){color:#8996ae;line-height:1.9;font-size:13px}.tiny-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);margin-right:6px;vertical-align:middle}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:44px}.suggestions button{position:relative;border:1px solid #293141;border-radius:12px;background:#131a26;padding:19px 15px;text-align:left;transition:border-color .2s,transform .2s}.suggestions button:hover{border-color:#76669d;transform:translateY(-2px)}.suggestions button>span{color:var(--accent);font-size:22px;display:block;margin-bottom:20px}.suggestions strong{display:block;font-weight:500;font-size:12px}.suggestions small{display:block;margin-top:8px;color:#6e7c94;font-size:10px;line-height:1.7}.suggestions b{position:absolute;right:15px;top:19px;color:#58637a;font-weight:400;font-size:12px}.messages{max-width:780px;margin:auto;padding:30px 35px 20px}.message{display:flex;gap:14px;margin-bottom:30px}.message-avatar{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-size:11px;flex-shrink:0;background:#282538;color:#c2b7fb}.message.user .message-avatar{background:#23362f;color:#b4d7c6}.message-content{min-width:0;flex:1;font-size:14px;line-height:1.85;padding-top:2px;overflow-wrap:anywhere}.message-label{color:#6f7b93;font-size:10px;margin-bottom:8px;letter-spacing:.6px}.markdown p{margin:0 0 14px;white-space:pre-wrap}.markdown h2,.markdown h3,.markdown h4{font-size:17px;margin:15px 0 10px;color:#e7e4f4}.markdown a{color:#bcb0fb;text-decoration:underline;text-underline-offset:3px}.markdown code{background:#22283a;border-radius:4px;padding:2px 5px;font-size:12px}.markdown pre{overflow-x:auto;background:#080c14;border:1px solid #252c3b;padding:16px;border-radius:10px;white-space:pre;margin:15px 0}.markdown pre code{background:transparent;padding:0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.7}.markdown ul{padding-left:22px;margin:10px 0}.message-note{color:#9b8893;font-size:11px;margin-top:10px}.typing{color:#b4a5f9;font-size:22px;animation:pulse 1.1s infinite}.composer-area{max-width:850px;width:100%;align-self:center;padding:12px 35px max(16px,env(safe-area-inset-bottom));flex-shrink:0}#composer{border:1px solid #353547;background:#151b28;border-radius:15px;padding:17px 18px 12px;box-shadow:0 8px 30px #0002}textarea{width:100%;border:0;resize:none;max-height:170px;background:transparent;color:var(--text);font-size:14px;line-height:1.6;padding:0;min-height:30px}textarea::placeholder{color:#647089}.composer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.composer-bottom>span{font-size:9px;color:#6b7890}.composer-bottom .tiny-dot{width:4px;height:4px;background:#64786f}.send-button{width:31px;height:31px;background:#b7abf8;color:#231a3b;border:0;border-radius:8px;font-size:23px;line-height:1}.stop-button{border:1px solid #76679c;background:#342a49;color:#d3c7fc;padding:7px 11px;border-radius:7px;font-size:10px}.composer-hint{display:flex;justify-content:space-between;font-size:9px;color:#56637b;margin:11px 3px 0}.notice{color:#d5b990;font-size:11px;margin:0 0 12px;padding:11px;border:1px solid #463b29;border-radius:9px;background:#211d16}.mobile-only{display:none}dialog{max-width:400px;width:calc(100% - 40px);background:#171e2b;color:var(--text);border:1px solid #3e4059;border-radius:15px;padding:25px}dialog::backdrop{background:#03060bc9;backdrop-filter:blur(5px)}dialog h2{font-size:18px;margin-top:0}dialog p{font-size:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.secondary{border:1px solid #364158;background:transparent;border-radius:9px;padding:12px 18px;color:#a5b1c7}.scrim{position:fixed;inset:0;background:#0009;border:0;z-index:9}@keyframes pulse{50%{opacity:.3}}@media(max-width:850px){aside{width:225px;padding-left:12px;padding-right:12px}header{padding:0 22px}.welcome,.messages{padding-left:24px;padding-right:24px}.suggestions{gap:8px}.suggestions button{padding:15px 11px}.composer-area{padding-left:22px;padding-right:22px}}@media(max-width:640px){.mobile-only{display:block}.desktop-only{display:none}aside{position:fixed;inset:0 auto 0 0;width:270px;z-index:10;transform:translateX(-100%);transition:transform .2s;box-shadow:10px 0 40px #0005}aside.open{transform:translateX(0)}#close-sidebar{margin-left:auto}header{height:61px;padding:0 14px;gap:8px}.header-left,.header-right{gap:6px}.header-dot{display:none}.header-left>span:last-child{max-width:170px;font-size:11px}.header-right .icon-button{padding:5px}.status{font-size:8px;padding:5px 7px}.welcome{padding:60px 25px 25px}.welcome h1{font-size:32px}.suggestions{grid-template-columns:1fr;margin-top:30px;gap:8px}.suggestions button{padding:15px 16px 15px 48px;min-height:63px}.suggestions button>span{position:absolute;left:17px;top:17px;margin:0;font-size:20px}.suggestions small{margin-top:5px}.suggestions b{top:24px}.messages{padding:25px 18px 10px}.message{gap:10px;margin-bottom:25px}.message-content{font-size:13px}.composer-area{padding:8px 12px max(12px,env(safe-area-inset-bottom))}#composer{padding:14px 13px 10px;border-radius:13px}.composer-hint{font-size:8px}.composer-bottom>span{font-size:8px}.composer-bottom{margin-top:8px}}