:root{--ink:#203b35;--muted:#7a8982;--green:#286958;--line:#e2e7df;--paper:#f6f7f1}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}button,input,textarea{font:inherit}button{cursor:pointer;border:0;background:transparent;color:inherit;border-radius:10px;padding:10px 14px}button:hover{background:#dfe9df}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:2px solid #85b39d;outline-offset:3px}[hidden]{display:none!important}.primary{background:var(--green);color:white}.primary:hover{background:#205342}aside{position:fixed;width:252px;height:100dvh;padding:32px 22px 18px;background:#e9eee5;display:flex;flex-direction:column;border-right:1px solid var(--line)}.brand{display:flex;gap:12px;font-size:38px;color:var(--ink);text-decoration:none;align-items:center;margin:0 12px 35px}.brand span{font-size:24px;font-weight:650;line-height:1.2}.brand small{display:block;font-size:9px;letter-spacing:4px;margin-top:7px}nav{display:grid;gap:5px;margin:24px 0}nav button{text-align:left}.history-label{font-size:11px;color:var(--muted);padding:12px}#history{overflow:auto;min-height:30px;flex:1}#history button{display:block;width:100%;text-align:left;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:13px}footer{border-top:1px solid #d5ded3;padding-top:18px;font-size:13px}footer button{font-size:12px;padding-left:0}main{margin-left:252px;height:100dvh;display:flex;flex-direction:column}header{height:78px;flex-shrink:0;padding:0 42px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}#menu{display:none}#environment{font-size:12px;text-align:center;color:#6d765b;background:#edf0df;padding:7px 12px}#chat{flex:1;min-height:0;display:flex;flex-direction:column;overflow:auto}#welcome{width:min(760px,90%);margin:auto;padding:42px 0 28px}.eyebrow{font-size:10px;letter-spacing:2.5px;color:#81927d}h1{font-size:clamp(36px,4vw,60px);line-height:1.3;letter-spacing:-2px;font-weight:500;margin:22px 0}h1 span{color:#4a866b}p{color:var(--muted)}.ideas{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:35px}.ideas button{background:#fff9;border:1px solid var(--line);padding:19px 15px;text-align:left}.ideas b{display:block;font-size:13px;font-weight:500}.ideas small{font-size:11px;color:var(--muted);display:block;margin-top:9px}.composer-wrap{position:sticky;bottom:0;background:var(--paper);padding:12px max(5%,calc((100% - 760px)/2)) 16px;margin-top:auto}#composer{background:#fff;border:1px solid #ced9cd;border-radius:18px;padding:16px;box-shadow:0 5px 25px #203b3505}textarea{resize:vertical;width:100%;max-height:160px;min-height:50px;border:0;outline:0;background:none;color:var(--ink)}#composer>div{display:flex;align-items:center;gap:8px}#composer span{flex:1;font-size:11px;color:var(--muted)}.hint{display:block;text-align:center;color:#95a095;font-size:10px;margin-top:10px}#messages{width:min(760px,90%);margin:24px auto}.message{padding:20px 24px;margin:16px 0;border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:#e6ece2;margin-left:12%}.message.assistant{background:#fff}.message small{display:block;color:var(--muted);font-size:10px;margin-bottom:10px}.page{padding:32px 5%;overflow:auto}.page h1{font-size:36px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:25px 0}.card{padding:26px;background:white;border:1px solid var(--line);border-radius:18px}.card strong{font-size:32px;display:block}.card p{font-size:12px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}td,th{padding:13px;border-bottom:1px solid var(--line);white-space:nowrap}dialog{border:1px solid var(--line);border-radius:22px;padding:34px;width:420px;max-width:92vw;color:var(--ink);background:var(--paper)}dialog::backdrop{background:#172f2960;backdrop-filter:blur(4px)}dialog h2{font-weight:500;font-size:28px}label{display:block;font-size:12px;margin:14px 0}input{display:block;width:100%;padding:12px;border:1px solid #d0dacf;border-radius:10px;margin-top:5px;background:white}.close{float:right;font-size:22px;padding:0 8px}.wide{width:100%}.form-error{color:#a34737;font-size:12px}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:#203b35;color:#fff;padding:14px 24px;border-radius:12px;max-width:90vw;z-index:20}#checkout img{width:220px;display:block;margin:15px auto}@media(max-width:1050px){.ideas{grid-template-columns:repeat(2,1fr)}aside{width:220px}main{margin-left:220px}.cards{grid-template-columns:1fr}}@media(max-width:700px){aside{transform:translateX(-100%);z-index:10;transition:transform .2s;box-shadow:10px 0 40px #203b3510}body.menu-open aside{transform:translateX(0)}main{margin-left:0}#menu{display:block}header{height:60px;padding:0 18px;gap:12px}header>span:first-of-type{flex:1}#balance{font-size:10px}#welcome{padding-top:28px}h1{font-size:40px}.ideas{gap:8px;margin-top:20px}.ideas button{padding:14px 10px}.composer-wrap{padding-bottom:10px}.page{padding:20px}#environment{font-size:10px}}
/* Keep the composer outside the scrolling transcript. */
#chat{overflow:hidden}#welcome{overflow:auto;flex:1;min-height:0}#messages{overflow:auto;flex:1;min-height:0;margin-bottom:0}#messages:empty{display:none}.composer-wrap{position:static;flex-shrink:0;margin-top:0}

#shade{display:none}@media(max-width:700px){body.menu-open #shade{display:block;position:fixed;inset:0 0 0 220px;background:#203b3540;z-index:9;border-radius:0}}
#project-list{max-height:130px;overflow:auto;flex-shrink:0}#project-list button{display:block;text-align:left;width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px}#project-context{display:flex;align-items:center;gap:8px;padding:8px 5%;border-bottom:1px solid var(--line);font-size:12px;flex-shrink:0}#back-project{font-weight:600;margin-right:auto}#reference-count{font-size:11px;color:var(--muted)}.project-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.project-heading h1{font-size:32px;letter-spacing:0}.project-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;margin-top:24px}.project-panel{border:1px solid var(--line);border-radius:18px;background:#ffffffa8;padding:24px}.project-panel h2{font-size:18px;margin-top:0}.project-note{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);font-size:13px}.file-row{border-top:1px solid var(--line);padding:15px 0}.file-row strong{display:block;overflow-wrap:anywhere;font-size:14px;font-weight:500}.file-row small{display:block;color:var(--muted);font-size:11px}.file-row button{font-size:12px;padding:8px}.upload-area{display:block;background:#edf2e8;padding:18px;border:1px dashed #b9c9b4;border-radius:12px;cursor:pointer}.upload-area input{font-size:12px;padding:0;border:0;background:transparent}.upload-area span{display:block;font-size:12px;color:var(--muted)}#file-preview{width:760px;max-height:85dvh}#file-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.9 inherit;background:white;padding:16px;border-radius:12px}#file-preview img{width:100%;height:auto}#project-dialog textarea{background:white;border:1px solid var(--line);border-radius:10px;min-height:75px;padding:12px;margin-top:5px}.reference-option{display:flex;align-items:flex-start;gap:10px;border-top:1px solid var(--line);padding:12px 0}.reference-option input{width:18px;margin:4px 0;flex-shrink:0}.source-links{border-top:1px solid var(--line);margin-top:15px;padding-top:8px;font-size:11px}.source-links button{font-size:11px;padding:5px 8px}.source-links small{margin:0}.project-card{cursor:pointer;text-align:left}.project-card h3{overflow-wrap:anywhere}.project-card small{color:var(--muted)}@media(max-width:850px){.project-grid{grid-template-columns:1fr}#project-context{flex-wrap:wrap;padding:5px 12px}.project-heading{align-items:flex-start}.project-heading h1{font-size:26px}}
.usage-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:20px 0}#usage .cards{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));margin:24px 0}#usage .card strong{display:block;font-size:25px;margin-top:12px}#usage table{font-size:13px}#usage td{max-width:300px;overflow-wrap:anywhere}#usage h1{overflow-wrap:anywhere}