:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:#252d29;background:#fbfaf7;font-size:16px;--green:#285348;--muted:#79817c;--border:#e5e7df}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:var(--green)}[hidden]{display:none!important}button:focus-visible,a:focus-visible{outline:3px solid #93b7a7;outline-offset:3px}.app{display:flex;height:100dvh;overflow:hidden}aside{width:268px;flex:none;background:#eeeee8;padding:32px 20px 18px;display:flex;flex-direction:column;border-right:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#30463d;font-size:18px;line-height:1.2;font-weight:650;padding:0 10px}.brand-icon{display:inline-grid;place-items:center;width:43px;height:43px;border-radius:13px;background:var(--green);color:#fff;font-size:31px;font-weight:400}.new-chat{margin:35px 0 28px;padding:13px 12px;border:1px solid #cbd3c9;border-radius:9px;background:#fafbf7;text-align:left;color:#355346;font-weight:600}.new-chat span{font-size:21px;margin-right:8px;font-weight:400}.new-chat:hover{background:#fff}.side-label{font-size:10px;color:#838a81;letter-spacing:1.5px;font-weight:650;margin:0 12px 12px}nav{flex:1;overflow:auto}nav .chat-row{display:flex;align-items:center;border-radius:8px;margin:4px 0}nav .chat-row.active{background:#dde4da}nav .chat-row:hover{background:#e3e7df}nav .chat-name{padding:13px 11px;background:none;border:0;color:#4e5b51;flex:1;min-width:0;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;text-align:left;font-size:14px}nav .archive{border:0;background:none;color:#829084;padding:10px;opacity:0}nav .chat-row:hover .archive,nav .archive:focus{opacity:1}.side-bottom{display:flex;align-items:center;gap:7px;font-size:12px;color:#778278;padding-top:18px;border-top:1px solid #dce1d7}.online-dot{width:6px;height:6px;border-radius:50%;background:#5c8f6c}.side-bottom button{margin-left:auto;border:0;background:none;font-size:22px;color:#778278}main{flex:1;min-width:0;display:flex;flex-direction:column}header{height:86px;display:flex;align-items:center;gap:14px;padding:0 38px;border-bottom:1px solid var(--border);flex:none}header strong{font-weight:600;font-size:15px;display:block;max-width:55vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}header div>span{display:block;font-size:12px;color:#8a918a;margin-top:5px}.header-badge{margin-left:auto;font-size:11px;border:1px solid #d9e1d7;border-radius:30px;padding:7px 12px;color:#637d69}.scroll{flex:1;overflow:auto;scroll-behavior:auto}.welcome{max-width:840px;margin:8vh auto 50px;padding:0 35px;text-align:center}.welcome-symbol{font-size:56px;color:#52765a;margin-bottom:24px}.eyebrow{font-size:10px;letter-spacing:2px;color:#8b9588;font-weight:650}.welcome h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:45px;letter-spacing:-1.3px;margin:18px 0 17px}.welcome>p:not(.eyebrow){font-size:16px;line-height:1.7;color:#858b81}.capabilities{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:45px;text-align:left}.capabilities>div{border:1px solid #e4e6dd;border-radius:12px;padding:22px 18px;background:#f8f8f3}.capabilities span{display:block;font-size:25px;color:#6c8465;margin-bottom:20px}.capabilities strong{display:block;font-size:13px;font-weight:600}.capabilities p{font-size:12px;line-height:1.7;color:#969a90;margin:9px 0 0}.messages{max-width:860px;padding:30px 30px 10px;margin:0 auto}.message{margin-bottom:30px}.message.user{display:flex;flex-direction:column;align-items:flex-end}.message-label{font-size:12px;font-weight:650;color:#6e8072;display:flex;align-items:center;gap:8px;margin-bottom:10px}.message-label .small-symbol{font-size:20px;color:#51785f}.user .message-label{color:#8b9287}.message-body{font-size:17px;line-height:1.75;overflow-wrap:anywhere}.user .message-body{white-space:pre-wrap;background:#eaf0e6;border:1px solid #e0e8db;padding:13px 19px;border-radius:15px 15px 3px 15px;max-width:90%}.message-body>:first-child{margin-top:0}.message-body>:last-child{margin-bottom:0}.message-body p{margin:0 0 14px}.message-body h1,.message-body h2,.message-body h3{line-height:1.4;margin:25px 0 12px;font-weight:650}.message-body h1{font-size:25px}.message-body h2{font-size:22px}.message-body h3{font-size:19px}.message-body ul,.message-body ol{padding-left:26px}.message-body li{padding:2px 0}.message-body a{text-decoration-thickness:1px;text-underline-offset:3px}.message-body blockquote{margin:18px 0;border-left:3px solid #b9c9b1;padding:4px 18px;color:#667262}.message-body pre{background:#eeeee8;border:1px solid #e0e4d9;border-radius:9px;padding:16px;overflow:auto;line-height:1.5;font-size:13px}.message-body code{font-size:.88em;background:#eeeee8;padding:2px 4px;border-radius:4px}.message-body pre code{padding:0}.table-wrap{overflow:auto;margin:18px 0}.message-body table{border-collapse:collapse;font-size:14px;width:100%}.message-body th,.message-body td{border:1px solid #dce2d6;padding:10px 13px;text-align:left;min-width:100px}.message-body th{background:#eef1e9}.message-body hr{border:0;border-top:1px solid var(--border);margin:22px 0}.message-body img{max-width:100%;border-radius:8px}.file-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.file-link{display:flex;gap:10px;align-items:center;max-width:100%;border:1px solid #d8e1d1;border-radius:10px;padding:11px 15px;color:#36563f;background:#f3f6ed;text-decoration:none;font-size:14px}.file-link>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-link small{font-size:11px;color:#8a9686;display:block;margin-top:3px}.sources{margin:16px 0}.sources summary{cursor:pointer;font-size:12px;color:#788b71}.sources a{display:block;font-size:13px;margin:9px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-tools{margin-top:10px}.copy{border:0;background:none;padding:4px 0;font-size:11px;color:#889180}.phase{display:flex;align-items:center;gap:9px;color:#89917f;font-size:14px;margin:13px 0}.pulse{width:7px;height:7px;background:#729367;border-radius:50%;animation:pulse 1.4s infinite}@keyframes pulse{50%{opacity:.3}}.error{font-size:14px;color:#a94b39;line-height:1.5}.message-error{border-left:2px solid #ce9685;padding-left:12px;margin-top:12px}.composer-wrap{flex:none;width:min(860px,100%);margin:0 auto;padding:12px 30px 20px}.composer{border:1px solid #d9dfd1;border-radius:15px;background:#fff;box-shadow:0 4px 20px #273a2810;padding:15px 16px 11px}.composer:focus-within{border-color:#a4b79a;box-shadow:0 0 0 3px #a4b79a15}textarea{width:100%;border:0;outline:none;resize:none;max-height:180px;min-height:40px;padding:4px 0;font-size:16px;line-height:1.5;color:#334332;background:transparent}textarea::placeholder{color:#a0a69b}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}.attach{display:flex;align-items:center;gap:6px;background:none;border:0;font-size:12px;color:#899280;padding:6px 0}.attach:hover{color:#325237}.send{border:0;border-radius:8px;padding:10px 14px;background:var(--green);color:#fff;font-size:16px}.send span{font-size:12px;margin-right:9px}.send:hover{background:#1e453b}.composer-note{font-size:10px;color:#a0a598;display:flex;justify-content:space-between;gap:10px;margin:11px 0 0;line-height:1.5}.attachments{display:flex;flex-wrap:wrap;gap:7px}.attachment{display:flex;align-items:center;gap:8px;background:#eef3e9;border-radius:7px;font-size:12px;padding:7px 10px;margin-bottom:10px;max-width:100%}.attachment span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment button{border:0;background:none;color:#77846b;padding:0 3px}.notice{background:#fff2e8;color:#9b5630;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:10px;line-height:1.5}.login-screen{min-height:100dvh;display:grid;place-items:center;padding:24px;background:#f1f2eb}.login-card{width:420px;max-width:100%;background:#fafbf6;border:1px solid #dfe5d9;padding:40px;border-radius:18px;box-shadow:0 15px 60px #384b3210}.login-card .brand-icon{margin-bottom:20px}.login-card h1{font-family:Georgia,serif;font-weight:400;font-size:32px;margin:15px 0}.login-card>p:not(.eyebrow):not(.error){color:#818b7a;font-size:14px;line-height:1.7;margin-bottom:25px}.login-card label{display:block;font-size:12px;margin-bottom:8px;color:#78876e}.login-card input{width:100%;padding:13px 12px;border:1px solid #d7dfcc;border-radius:7px;background:#fff;outline:none}.login-card input:focus{border-color:#789069}.primary{background:var(--green);color:#fff;border:0;border-radius:8px;padding:13px 16px;width:100%;text-align:left}.primary span{float:right}.login-card small{display:block;text-align:center;margin-top:18px;font-size:10px;color:#9aa38f}.mobile{display:none}.icon-button{border:0;background:none;font-size:22px;color:#56704d}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.shade{position:fixed;inset:0;background:#17241766;z-index:9}
@media(min-width:1500px){.welcome{margin-top:12vh}.capabilities{margin-top:55px}}
@media(max-width:900px){aside{width:230px;padding:28px 14px 18px}header{padding:0 25px}.header-badge{display:none}.welcome{margin-top:6vh}.welcome h1{font-size:38px}.capabilities{gap:9px}.capabilities>div{padding:17px 13px}}
@media(max-width:650px){.mobile{display:block}aside{position:fixed;inset:0 auto 0 0;width:280px;transform:translateX(-100%);transition:transform .18s ease;z-index:10}body.menu-open aside{transform:translateX(0)}header{height:68px;padding:0 16px;gap:14px}header strong{max-width:70vw;font-size:14px}header div>span{font-size:10px}.welcome{padding:0 22px;margin:5vh auto 20px}.welcome-symbol{font-size:44px;margin-bottom:20px}.welcome h1{font-size:34px}.welcome>p:not(.eyebrow){font-size:14px}.eyebrow{font-size:8px;letter-spacing:1.5px}.capabilities{grid-template-columns:1fr;margin-top:25px;gap:9px}.capabilities>div{display:grid;grid-template-columns:30px 1fr;column-gap:12px;padding:14px 16px}.capabilities span{grid-row:span 2;margin:0;align-self:center;font-size:24px}.capabilities strong{font-size:12px}.capabilities p{font-size:11px;margin-top:5px}.messages{padding:23px 20px 8px}.message-body{font-size:16px}.user .message-body{max-width:95%;padding:12px 15px}.message{margin-bottom:25px}.composer-wrap{padding:8px 12px max(12px,env(safe-area-inset-bottom))}.composer{padding:12px 13px 10px;border-radius:12px}.composer-note{font-size:9px;margin:7px 3px 0;display:block;text-align:center}.composer-note span{display:block}.send{padding:9px 13px}.send span{display:none}.attach{font-size:11px}nav .archive{opacity:1}.login-card{padding:28px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.header-title{min-width:0;flex:1}.branch-chat{flex:none;border:1px solid #d2ddcd;color:#58714e;background:#f3f6ee;border-radius:8px;padding:9px 12px;font-size:12px}.branch-chat:hover{background:#e9efdf}.branch-origin{padding:9px 38px;background:#f1f4ec;border-bottom:1px solid #e1e8d9;flex:none}.branch-origin button{border:0;background:none;padding:0;color:#78886a;font-size:12px;text-align:left}.chat-row-title{display:block;overflow:hidden;text-overflow:ellipsis}.chat-working{display:block;color:#688e57;font-size:10px;margin-top:5px}.message-tools{display:flex;gap:18px;align-items:center}.effort-tag{color:#9aa38e;font-size:10px;font-weight:400;margin-left:3px}.send-controls{display:flex;gap:12px;align-items:center}#effort{border:1px solid #e0e6d8;border-radius:7px;color:#667b57;background:#f7f9f3;padding:7px 8px;font-size:12px;max-width:135px;outline:none}#effort:focus{border-color:#8ca575}.effort-hint{font-size:10px;color:#9aa68c;margin:9px 0 1px;line-height:1.4}.fork:hover,.copy:hover{color:#3b6540}.user .message-tools{opacity:.7}.user .message-tools:hover{opacity:1}
@media(max-width:650px){header strong{max-width:46vw}.branch-chat{font-size:10px;padding:8px 9px}.branch-origin{padding:9px 20px}.send-controls{gap:8px}#effort{font-size:11px;padding:7px 4px;max-width:105px}.effort-hint{font-size:9px}.message-tools{gap:15px}}
.rename-chat{flex:none;border:0;background:none;color:#788b70;font-size:17px;padding:9px 6px;opacity:.75}.rename-chat:hover{opacity:1;color:#2e603d}nav .archive{padding:10px 7px}.rename-dialog{width:min(430px,calc(100vw - 32px));border:1px solid #d4dfca;border-radius:14px;padding:26px;background:#fafbf7;color:#344630;box-shadow:0 18px 80px #1a2c2730}.rename-dialog::backdrop{background:#19291e66}.rename-dialog h2{font-size:18px;margin:0 0 20px;font-weight:600}.rename-dialog input{width:100%;font:inherit;font-size:16px;border:1px solid #cfdcc3;border-radius:7px;padding:12px;outline:none;background:white;color:#334532}.rename-dialog input:focus{border-color:#719262;box-shadow:0 0 0 2px #a0ba8e22}.rename-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.rename-actions button{border:1px solid #d7e0cc;border-radius:7px;background:#f5f7ee;color:#697d59;padding:10px 16px;font-size:13px}.rename-actions button.primary{background:var(--green);color:white;border-color:var(--green);width:auto}
.composer-links{display:flex;gap:15px;align-items:center;min-width:0;flex-wrap:wrap}.reference-dialog{width:min(520px,calc(100vw - 32px))}.reference-explanation{font-size:12px;color:#849078;line-height:1.6}.reference-list{max-height:42vh;overflow:auto}.reference-choice{display:block;width:100%;text-align:left;background:#f4f7ed;border:1px solid #dce5d1;border-radius:8px;padding:12px 14px;margin:9px 0;color:#3f5738}.reference-choice:hover{background:#eaf1df}.reference-choice strong{display:block;font-size:14px;font-weight:550;overflow-wrap:anywhere}.reference-choice small{display:block;font-size:11px;color:#869575;margin-top:6px}.reference-chip{background:#e9eee5;border:1px solid #d9e3ce}.reference-card{width:100%;max-width:100%;margin:12px 0;border:1px solid #d7e2cb;border-radius:9px;padding:13px 15px;background:#f1f5eb;text-align:left}.reference-card summary{cursor:pointer;color:#4c6a3d;font-size:13px;overflow-wrap:anywhere}.reference-card summary strong{font-weight:550}.reference-card summary small{display:block;font-size:10px;color:#8c9c7c;margin:6px 0 0 15px}.reference-preview{white-space:pre-wrap;overflow-wrap:anywhere;max-height:350px;overflow:auto;font-family:inherit;font-size:12px;line-height:1.65;color:#526249;border-top:1px solid #dbe5d0;padding-top:12px;margin-bottom:0}.user .reference-card{max-width:90%}
@media(max-width:650px){.composer-actions{flex-wrap:wrap}.composer-links{width:100%;justify-content:space-between;gap:8px}.send-controls{margin-left:auto}.user .reference-card{max-width:95%}.reference-card{padding:11px 12px}}
.file-item{max-width:100%;min-width:0}.compression-note{font-size:12px;line-height:1.5;color:#9a6933;max-width:460px;margin:7px 0 0;padding:8px 11px;background:#fff5e6;border-radius:7px;border:1px solid #eddfc6}.pending-compression{width:100%;max-width:none;margin:0 0 9px}.compress-file{font-size:11px;margin:5px 0 0}.notice{white-space:pre-line}
.message-cost{margin-top:9px;font-size:10px;line-height:1.5;color:#8d9984}