:root{--ink:#173c36;--muted:#64766f;--green:#226b55;--line:#dce6df;--paper:#f6f8f4;--white:#fff;--soft:#edf3ec;--warn:#865d2d}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.6}button,textarea{font:inherit}button,a,textarea{touch-action:manipulation}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{cursor:wait;opacity:.48}button:focus-visible,a:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #7aa78f;outline-offset:4px}.masthead{max-width:1260px;margin:auto;padding:26px 44px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}.identity{font-weight:700;font-size:15px;letter-spacing:-.2px}.identity span{font-weight:400;color:var(--muted);border-left:1px solid #baccc0;margin-left:16px;padding-left:16px}.source-link{font-size:13px;color:var(--muted)}main{max-width:1260px;margin:auto;padding:56px 44px 0}.intro{max-width:810px;margin-bottom:38px}.eyebrow,.panel-kicker{font-size:10px;font-weight:700;letter-spacing:1.9px}.eyebrow{color:var(--green);display:flex;gap:10px;align-items:center}.tiny-eye{font-size:18px}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:clamp(36px,4.3vw,56px);line-height:1.12;letter-spacing:-1.6px;margin:18px 0 18px}h1 em{font-style:italic;color:var(--green)}.intro>p{font-size:16px;color:var(--muted);max-width:650px;margin:0}.workspace{display:grid;grid-template-columns:310px minmax(0,1fr);background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 35px #203b2410;overflow:hidden}.context-panel{padding:28px 24px;background:#fafbf8;border-right:1px solid var(--line)}.panel-kicker{color:#7a8c81;letter-spacing:1.4px}h2{font-family:Georgia,'Times New Roman',serif;font-size:24px;font-weight:400;letter-spacing:-.4px;line-height:1.2;margin:10px 0}.muted{color:var(--muted);font-size:12px;line-height:1.65;margin:14px 0 22px}.grade-options{display:flex;flex-direction:column;gap:8px}.grade-choice{display:flex;align-items:center;text-align:left;gap:13px;width:100%;padding:12px;border-radius:9px;border:1px solid transparent;background:transparent;color:#4e6459}.grade-choice:hover{background:var(--soft)}.grade-choice[aria-pressed=true]{border-color:#86ac94;background:#edf5ee;color:var(--ink)}.grade-number{width:32px;height:32px;display:grid;place-items:center;background:#e7ece5;border-radius:50%;font-size:13px;font-weight:700;flex-shrink:0}.grade-choice[aria-pressed=true] .grade-number{background:var(--green);color:white}.grade-choice strong{display:block;font-size:13px;font-weight:600}.grade-choice small{font-size:10px;color:var(--muted);display:block;margin-top:2px}.profile{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.profile>div:first-child{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:11px;color:var(--muted)}.profile strong{font-size:16px;font-weight:600;color:var(--ink)}.probability-track{height:4px;background:#dce7dd;border-radius:5px;overflow:hidden;margin:10px 0}.probability-track span{display:block;width:82%;height:100%;background:#4b8866}.profile p,.context-footnote{font-size:10px;line-height:1.7;color:var(--muted)}.context-footnote{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.chat-panel{min-width:0;display:flex;flex-direction:column;min-height:645px}.chat-header{padding:26px 30px 20px;border-bottom:1px solid #edf1eb;display:flex;justify-content:space-between;align-items:center;gap:20px}.chat-header h2{font-size:22px;margin-bottom:0}.connection{font-size:10px;white-space:nowrap;color:var(--muted);display:flex;align-items:center;gap:7px}.connection i{width:6px;height:6px;background:#a7b4ab;border-radius:100%}.connection.online{color:var(--green)}.connection.online i{background:#4a9368;box-shadow:0 0 0 4px #4a936815}.connection.offline{color:var(--warn)}.connection.offline i{background:#ba8a4f}.chat-log{flex:1;min-height:235px;max-height:430px;overflow:auto;padding:28px 30px;scroll-behavior:smooth}.message{margin:0 0 22px;max-width:94%}.message-label{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#7b8e80;margin-bottom:6px}.message-text{font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{margin-left:auto;max-width:86%;background:#edf3ec;border-radius:12px 12px 2px 12px;padding:12px 17px}.message.user .message-label{display:none}.message.assistant .message-label{color:var(--green)}.message.error{border-left:2px solid #b99362;padding-left:14px;color:#865d2d}.message a{display:inline-block;color:var(--green);font-size:11px;margin-top:10px;text-decoration:underline;text-underline-offset:3px}.message.welcome{max-width:520px}.message.welcome .message-text{color:#50675b}.thinking{padding:0 30px 16px;color:var(--muted);font-size:11px;display:flex;align-items:center;gap:10px}.thinking[hidden]{display:none}.dots{letter-spacing:4px;font-size:17px;color:#639578;animation:pulse 1.4s infinite}.suggestions{padding:0 30px 18px;display:flex;flex-wrap:wrap;gap:7px}.suggestions button{background:#fff;border:1px solid var(--line);color:#496256;border-radius:6px;padding:7px 10px;font-size:10px;transition:background .15s}.suggestions button:hover{background:var(--soft)}form{padding:0 24px 17px}.composer{display:flex;align-items:flex-end;border:1px solid #cbd9cc;border-radius:10px;background:#fff;padding:9px}.composer:focus-within{border-color:#639578;box-shadow:0 0 0 2px #63957815}textarea{resize:vertical;min-height:49px;max-height:160px;flex:1;min-width:0;border:none;background:transparent;padding:4px 8px;color:var(--ink);font-size:13px;line-height:1.5;outline:none!important}textarea::placeholder{color:#8a998f}#send{display:flex;align-items:center;gap:12px;flex-shrink:0;background:var(--green);color:#fff;border:none;border-radius:7px;padding:9px 13px;font-size:11px;margin:2px}#send span:last-child{font-size:17px}.composer-note{font-size:9px;color:#8a978e;display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding:0 3px;min-height:18px}#retry{background:none;border:none;color:var(--green);font-size:10px;text-decoration:underline}#retry[hidden]{display:none}.research-note{display:flex;align-items:flex-start;gap:12px;padding:22px 4px;color:var(--muted);max-width:1000px;font-size:11px;line-height:1.8}.research-note p{margin:0}.research-note strong{color:#4e6455}.note-mark{border:1px solid #a6b8a9;border-radius:50%;height:16px;width:16px;text-align:center;line-height:15px;flex-shrink:0;font-family:Georgia,serif;margin-top:2px}.study{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:6px 0 28px}.study summary{padding:19px 0;font-size:13px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;list-style:none}.study summary::-webkit-details-marker{display:none}.study summary span{font-size:18px;color:var(--muted)}.study[open] summary span{transform:rotate(45deg)}.study-content{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-bottom:24px;font-size:12px;color:var(--muted)}.study h3{font-family:Georgia,serif;font-weight:400;font-size:19px;color:var(--ink)}footer{padding:0 0 28px;display:flex;justify-content:space-between;gap:20px;color:#859489;font-size:10px}footer>div{display:flex;gap:22px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes pulse{50%{opacity:.3}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}@media(max-width:850px){.masthead{padding:22px 24px}main{padding:38px 24px 0}.workspace{grid-template-columns:260px minmax(0,1fr)}.context-panel{padding:24px 18px}.chat-header{padding:24px 20px;align-items:flex-start;flex-direction:column;gap:14px}.chat-log{padding:24px 20px}.suggestions{padding:0 20px 16px}.chat-panel{min-height:660px}}@media(max-width:640px){.masthead{padding:18px 20px}.identity span{display:block;border:none;padding:0;margin:2px 0;font-size:11px}.source-link{font-size:11px}main{padding:30px 18px 0}h1{font-size:38px;letter-spacing:-1.1px}.intro>p{font-size:14px}.workspace{display:flex;flex-direction:column;border-radius:12px}.context-panel{border-right:none;border-bottom:1px solid var(--line);padding:22px 20px}.context-panel h2{font-size:22px}.muted{margin:10px 0 16px}.grade-options{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.grade-choice{padding:9px 4px;justify-content:center;flex-direction:column;gap:6px;text-align:center}.grade-choice strong{font-size:9px}.grade-choice small{display:none}.grade-number{width:28px;height:28px;font-size:12px}.profile{margin-top:16px;padding-top:13px}.profile p{margin:6px 0}.context-footnote{display:none}.chat-panel{min-height:520px}.chat-header{flex-direction:row;align-items:center;padding:22px 20px}.chat-header h2{font-size:21px}.connection{font-size:9px}.chat-log{max-height:380px;min-height:190px}.study-content{grid-template-columns:1fr;gap:8px}footer{flex-direction:column;gap:10px}footer>div{flex-wrap:wrap}}

.upload-form{padding:0;margin:18px 0 24px;display:grid;gap:10px}.upload-form label{font-size:12px;font-weight:600}.upload-form input{max-width:100%;min-width:0;font-size:12px}.upload-form p,#image-result p{font-size:11px;line-height:1.7;color:var(--muted)}#upload-button{padding:12px;border:0;border-radius:7px;background:var(--green);color:white}#image-preview{width:100%;max-height:190px;object-fit:contain;background:#122219;border-radius:8px}#image-preview[hidden],#image-result[hidden]{display:none}#image-result{padding:14px;border:1px solid var(--line);border-radius:9px;background:white;margin-bottom:20px}#image-result h3{font-size:18px;font-family:Georgia,serif}.probability-row{display:grid;grid-template-columns:70px 1fr 46px;gap:6px;align-items:center;font-size:10px;margin:9px 0}.probability-bar{height:6px;background:#edf1eb;border-radius:4px;overflow:hidden}.probability-bar span{display:block;height:100%;background:#558367}.context-panel hr{border:0;border-top:1px solid var(--line);margin:26px 0}.profile .probability-track span{width:var(--score,82%)}

.example-contexts summary{cursor:pointer;font-size:12px;font-weight:600;padding:8px 0}.example-contexts[open] summary{margin-bottom:20px}