:root{--ink:#26322f;--muted:#77817a;--green:#255d4a;--line:#e1e6df;--paper:#f6f7f2}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC",system-ui,sans-serif}header{max-width:1480px;margin:auto;height:92px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:16px;align-items:center;color:var(--green);text-decoration:none;font:700 30px Georgia,serif}.brand span{font:600 16px/1.4 system-ui}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:400;letter-spacing:1px;margin-top:3px}main{max-width:1480px;margin:auto;padding:32px 48px;display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px}.eyebrow{font-size:10px;letter-spacing:2.5px;font-weight:700;color:#809187}h1{font-size:31px;font-weight:550;letter-spacing:-1px;line-height:1.5;margin:14px 0}h2{font-size:21px;font-weight:550;margin:4px 0}.intro{color:var(--muted);margin:0 0 30px}section{margin:24px 0}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px}label{font-weight:600;display:block;margin-bottom:8px}.badge{font-size:11px;color:var(--green);background:#e8eee3;border-radius:20px;padding:3px 8px}textarea,input{width:100%;background:#fff;border:1px solid #dbe1d7;border-radius:12px;color:var(--ink);font:inherit;padding:14px;resize:vertical}textarea:focus,input:focus{outline:2px solid #96b8a4;outline-offset:2px}#persona{min-height:200px;max-height:420px}.hint{font-size:11px;color:var(--muted);margin:8px 0 14px}.primary,.secondary,.quiet,.danger,.chips button{border:0;font:inherit;cursor:pointer;border-radius:9px;padding:10px 16px;transition:background .15s}.primary{background:var(--green);color:#fff}.primary:hover{background:#194936}#start{width:100%;text-align:left}.quiet{background:transparent;color:var(--green)}.secondary{background:#edf1e8;color:var(--green);white-space:nowrap}.danger{background:#fcf0e9;color:#a0543e}.inline{display:flex;gap:8px}.inline input{min-width:0}.privacy{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.privacy strong{color:#526257}.privacy p{line-height:1.9}.chat{min-height:720px;height:calc(100vh - 156px);display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;background:white;box-shadow:0 12px 45px #243b2d06;overflow:hidden}.chat-head{display:flex;align-items:center;justify-content:space-between;padding:24px 28px;border-bottom:1px solid #eef0eb}.conv{display:flex;align-items:center;gap:9px;padding:13px 24px;background:#f4f7f1;border-bottom:1px solid var(--line)}.conv>div{flex:1;min-width:0}.conv span,.conv small{font-size:10px;color:var(--muted)}#conv-id{font:11px/1.8 monospace;overflow-wrap:anywhere}.conv button{padding:7px 10px;font-size:12px}#messages{flex:1;overflow:auto;padding:28px;scroll-behavior:smooth}.empty{text-align:center;margin:65px auto;max-width:430px;color:var(--muted)}.empty h2{color:var(--ink);margin-top:25px}.orbit{font-size:45px;width:95px;height:95px;line-height:95px;border-radius:50%;background:radial-gradient(circle,#edf2e3,#fafbf7);color:#749275;margin:auto;border:1px solid #e5eadc}.chips{display:flex;justify-content:center;gap:10px;margin-top:26px;flex-wrap:wrap}.chips button{background:#f8f9f5;border:1px solid var(--line);font-size:12px;color:#637265}.message{margin-bottom:24px;max-width:90%;white-space:pre-wrap;overflow-wrap:anywhere}.message .speaker{font-size:10px;font-weight:600;letter-spacing:1px;color:var(--muted);margin-bottom:6px}.message.user{margin-left:auto;background:#edf3e9;padding:14px 18px;border-radius:15px 15px 3px 15px}.message.assistant{background:#f8f8f4;padding:16px 18px;border-radius:3px 15px 15px 15px}.message details{font-size:12px;color:var(--muted);margin-bottom:12px;white-space:pre-wrap}.message summary{cursor:pointer}#composer{display:flex;align-items:flex-end;margin:0 24px 8px;padding:8px;border:1px solid var(--line);border-radius:14px;background:#fcfcfa;gap:8px}#message{border:0;background:transparent;min-height:65px;max-height:160px;resize:vertical;padding:8px;outline:none}#send{white-space:nowrap}#status{min-height:25px;padding:0 28px;color:#a0543e;font-size:12px}.bottom-note{text-align:center;font-size:10px;color:#97a096;padding:3px 12px 15px}button:disabled{opacity:.45;cursor:not-allowed}.hidden{display:none!important}@media(max-width:1000px){header{padding:0 24px}main{padding:24px;gap:24px;grid-template-columns:280px minmax(0,1fr)}h1{font-size:26px}.conv{flex-wrap:wrap}.conv>div{flex-basis:100%}}@media(max-width:700px){header{height:74px;padding:0 18px}main{display:block;padding:20px 16px}aside h1{font-size:25px}#persona{min-height:130px}.intro{margin-bottom:12px}.privacy{margin-bottom:22px}.chat{height:75vh;min-height:550px}.chat-head,#messages{padding:20px}#composer{margin:0 14px 8px}.empty{margin:40px auto}section{margin:18px 0}}

dialog{border:1px solid var(--line);border-radius:18px;padding:26px;max-width:440px;color:var(--ink);font:inherit;box-shadow:0 24px 90px #1b352b30}dialog::backdrop{background:#213e3255;backdrop-filter:blur(3px)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}

.retry-row{display:flex;align-items:center;gap:10px;padding-right:24px;margin-bottom:8px}.retry-row #status{flex:1;min-width:0}.retry-row #retry{font-size:12px;padding:7px 14px;white-space:nowrap}

#composer{flex-wrap:wrap}#thinking-mode{font-size:13px;white-space:nowrap}#thinking-mode[aria-pressed="true"]{background:#285e4b;color:white}

.context-notice{margin:10px 24px;padding:12px 16px;background:#fff4df;color:#735422;border-radius:12px;font-size:13px;line-height:1.7}

.studio-nav{max-width:1384px;margin:18px auto 0;padding:0 48px;display:flex;gap:8px}.studio-nav a{padding:8px 18px;border-radius:30px;text-decoration:none;color:var(--muted);font-size:13px}.studio-nav a.active{background:var(--green);color:white}.studio-nav a:hover{box-shadow:0 0 0 1px var(--line)}select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);font:inherit}body[data-experience="decision"]{--green:#435e86;--paper:#f4f6fa;--line:#dfe5ef}body[data-experience="decision"] .badge,body[data-experience="decision"] .secondary{background:#eaf0f8;color:#435e86}body[data-experience="decision"] .conv{background:#f1f4fa}body[data-experience="decision"] .message.user{background:#edf1f7;margin-left:0;max-width:100%;border-radius:12px;border-left:3px solid #9badc5}body[data-experience="decision"] .message.assistant{max-width:100%;background:#f9fafc;border:1px solid #dfe5ef;border-radius:12px}body[data-experience="decision"] .message.assistant .speaker{color:#435e86}.scenario-label{flex-basis:100%;font-size:12px;margin:4px 8px 0;color:var(--muted)}@media(max-width:700px){.studio-nav{padding:0 16px}header .brand{font-size:25px}.studio-nav a{padding:8px 12px}}

.feedback-note{max-width:1384px;margin:0 auto;padding:4px 24px 28px;text-align:center;font-size:12px;line-height:1.8;color:var(--muted)}.feedback-note a{color:var(--green);text-underline-offset:3px;overflow-wrap:anywhere}

.scenario-options-hint{flex-basis:100%;margin:0 8px;font-size:12px;line-height:1.7;color:var(--muted)}