:root{--bg:#f8f7f3;--side:#f0efe9;--ink:#262c29;--muted:#7b807a;--line:#e3e4dc;--accent:#3e6853;--white:#fff;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px var(--font)}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}input:focus,textarea:focus{outline:none}a{color:var(--accent)}.hidden{display:none!important}.workspace{display:flex;height:100dvh}aside{width:274px;flex-shrink:0;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:32px 18px 16px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:23px;font-weight:650;letter-spacing:-.7px;padding:0 12px 35px}.brand-mark{font-family:Georgia,serif;background:var(--accent);color:#fff;border-radius:12px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:35px;line-height:1;letter-spacing:-4px;padding-right:5px}.brand-mark span{color:#b6d2a7}.brand-sub{font-size:8px;display:block;color:var(--muted);letter-spacing:1.8px;margin-top:3px;font-weight:500}.new-chat{border:1px solid #d5d9ce;background:transparent;border-radius:9px;display:flex;align-items:center;gap:10px;width:100%;padding:12px;font-weight:550;text-align:left}.new-chat>span{font-size:22px;line-height:16px;color:var(--accent)}kbd{margin-left:auto;font-size:10px;border:1px solid var(--line);padding:2px 5px;border-radius:4px;color:var(--muted)}.search{display:flex;gap:9px;align-items:center;padding:20px 10px;color:var(--muted)}.search span{font-size:22px}.search 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var(--line);margin-bottom:16px}i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#6b9476}.account{display:flex;gap:10px;align-items:center;padding:0 6px}.avatar{width:32px;height:32px;display:grid;place-items:center;background:#dde2d5;border-radius:50%;color:#526346;font-size:12px}.account strong{font-size:11px;display:block;font-weight:600}.account small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.account button{margin-left:auto}.icon{background:none;border:0;padding:7px;border-radius:6px;color:var(--muted);font-size:20px;line-height:1}.icon:hover{background:#e9eae3}main{flex:1;min-width:0;display:flex;flex-direction:column}header{height:85px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 38px;border-bottom:1px solid rgba(227,228,220,.6)}.header-left,.header-right{display:flex;align-items:center;gap:16px}header strong{font-size:13px;font-weight:550;display:block}header .header-left span{display:block;color:var(--muted);font-size:10px;margin-top:6px}.access-badge{border:1px solid var(--line);border-radius:20px;padding:6px 10px;font-size:10px;display:flex;align-items:center;gap:6px;color:#6a7668}.access-badge i{width:5px;height:5px}#scroll-area{overflow-y:auto;flex:1;scroll-behavior:smooth}#welcome{max-width:800px;margin:0 auto;padding:clamp(40px,9vh,100px) 30px 25px}.welcome-symbol{font-size:41px;color:var(--accent);margin-bottom:27px}.eyebrow{display:block;font-size:9px;letter-spacing:2.1px;color:#7b8879;font-weight:550}h1{font-family:Georgia,"Times New Roman",serif;letter-spacing:-1.8px;font-size:clamp(42px,4.5vw,62px);line-height:1.07;font-weight:400;margin:22px 0}h1 em{font-weight:400;color:var(--accent)}#welcome>p{color:var(--muted);font-size:13px;line-height:1.8;margin-bottom:40px}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.suggestions button{text-align:left;background:transparent;border:1px solid var(--line);border-radius:10px;padding:18px 15px;transition:background .2s,transform .2s}.suggestions button:hover{background:#eef0e7;transform:translateY(-2px)}.suggestions button>span{display:block;font-size:23px;color:var(--accent);margin-bottom:25px}.suggestions strong{font-size:11px;font-weight:550;display:block}.suggestions small{font-size:10px;display:block;line-height:1.6;color:var(--muted);margin-top:8px}footer{max-width:860px;width:100%;align-self:center;padding:18px 30px 22px}#composer{background:#fff;border:1px solid #dce0d5;border-radius:15px;padding:17px 15px 10px;box-shadow:0 5px 18px #263b2110}#composer:focus-within{border-color:#8caa8b;box-shadow:0 5px 20px #263b2115}textarea{width:100%;border:0;resize:none;min-height:36px;max-height:220px;color:var(--ink);font-size:13px;line-height:1.7;background:transparent;padding:0 5px}textarea::placeholder{color:#989b94}.composer-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:5px}.composer-bottom>div{display:flex;align-items:center;gap:10px}.composer-hint{font-size:10px;color:var(--muted)}.composer-hint span{margin:0 5px;color:#c1c8b9}.send{border:0;width:32px;height:32px;background:var(--accent);color:white;border-radius:9px;font-size:22px}.send:hover{background:#2c513c}#stop{font-size:12px}.footer-note{color:#92958d;font-size:9px;display:flex;justify-content:space-between;gap:10px;padding:0 4px;margin-top:12px;line-height:1.5}.dot{margin:0 6px}#messages{max-width:800px;margin:auto;padding:20px 30px}.message{margin:20px 0 32px;line-height:1.8;font-size:14px;overflow-wrap:anywhere}.message.user{margin-left:auto;max-width:85%;background:#e9ede3;border-radius:18px 18px 4px 18px;padding:13px 20px;white-space:pre-wrap;width:fit-content}.message.assistant{padding:5px 0}.message.assistant::before{content:'✳';display:block;color:var(--accent);font-size:21px;margin-bottom:10px}.message p{margin:0 0 14px}.message pre{background:#202a25;color:#dce9de;padding:18px;border-radius:10px;overflow:auto;font-size:12px;line-height:1.7}.message code{background:#e9ece4;padding:2px 5px;border-radius:4px;font-size:12px}.message pre code{background:none;padding:0}.message .file-link{display:inline-block;border:1px solid var(--line);padding:9px 13px;border-radius:7px;margin:5px;text-decoration:none;font-size:12px}.message.error{color:#a44335}.thinking{color:var(--muted);font-size:12px;animation:pulse 1.8s infinite}@keyframes pulse{50%{opacity:.4}}#upload-list{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.file-chip{font-size:11px;background:#e6ebdf;border-radius:6px;padding:7px 10px}.file-chip button{border:0;background:none;margin-left:7px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#293e30;color:white;border-radius:8px;padding:12px 20px;font-size:12px;z-index:5;max-width:90%}.login{min-height:100dvh;display:grid;place-items:center;padding:30px;background:radial-gradient(ellipse at 20% 10%,#e6eddf,transparent 60%),var(--bg)}.login-card{width:100%;max-width:380px}.login-card .brand-mark{margin-bottom:35px}.login-card h1{font-size:46px;margin:20px 0 15px}.login-card>p{color:var(--muted);font-size:13px;line-height:1.8;margin-bottom:30px}.login-card label{display:block;font-size:11px;margin:18px 0 8px}.login-card input{width:100%;border:1px solid var(--line);border-radius:7px;padding:12px;background:#ffffffa0;color:var(--ink)}.login-card input:focus{border-color:var(--accent)}.primary{background:var(--accent);color:white;border:0;padding:13px 16px;border-radius:7px;width:100%;text-align:left;display:flex;justify-content:space-between;margin-top:20px}.login-card>small{display:block;text-align:center;font-size:10px;color:var(--muted);margin-top:25px}.error{color:#a44335;font-size:12px}.mobile{display:none}@media(min-width:1500px){#welcome{padding-top:13vh}}@media(max-width:850px){aside{width:230px;padding:25px 12px 15px}header{padding:0 22px}.suggestions{gap:8px}.footer-note>span:last-child{display:none}}@media(max-width:640px){aside{position:fixed;z-index:3;height:100dvh;width:260px;transform:translateX(-100%);transition:transform .2s;box-shadow:15px 0 30px #0001}aside.open{transform:translateX(0)}.mobile{display:block}header{height:70px;padding:0 16px}.header-left{gap:10px}.access-badge{font-size:9px;padding:5px 8px}.header-right{gap:8px}#welcome{padding:45px 24px 15px}.welcome-symbol{margin-bottom:25px}h1{font-size:47px}#welcome>p{margin-bottom:25px}.suggestions{grid-template-columns:1fr}.suggestions button{padding:13px 15px;display:grid;grid-template-columns:30px 1fr;column-gap:8px}.suggestions button>span{grid-row:span 2;margin:0;align-self:center}.suggestions small{margin-top:3px}.suggestions button:hover{transform:none}footer{padding:12px 15px 13px}#messages{padding:15px 22px}.message{font-size:13px}.composer-hint{font-size:9px}.footer-note{font-size:8px}.header-left span{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}