:root{font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:#252a26;background:#fff;font-synthesis:none;--accent:#32614b;--muted:#626b64;--line:#e2e6e0;--sidebar:#f3f5f1;--focus:#317657;--radius:14px}*{box-sizing:border-box}body{margin:0;display:flex;height:100dvh;overflow:hidden}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:3px}::selection{background:#cce0d2;color:#173b27}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button{border:0;background:none}aside{width:260px;flex-shrink:0;background:var(--sidebar);padding:30px 18px 18px;display:flex;flex-direction:column;border-right:1px solid #edf0eb}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#253d2e;font-size:27px;font-weight:650;letter-spacing:-.035em;padding:0 10px}.brand-dot{color:#6b8975}.new-chat{margin:35px 0 32px;display:flex;align-items:center;gap:12px;padding:13px;background:#fff;border:1px solid #dce3d9;border-radius:10px;font-size:14px;font-weight:600;text-align:left}.new-chat:hover{background:#e9eee7}.shortcut{margin-left:auto;color:#6b746b}.history-label{font-size:12px;color:#697166;margin:0 12px 12px}.quiet{font-size:13px;color:var(--muted);line-height:1.6}#history{flex:1;overflow-y:auto}#history .quiet{padding:0 12px}.chat-row{display:flex;align-items:center;margin-bottom:4px;border-radius:8px}.chat-row.active{background:#e5ebe2}.chat-row:hover{background:#e8ede4}.chat-link{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;text-align:left;padding:12px;font-size:14px}.delete-chat{font-size:20px;padding:4px 10px;color:#697166}.delete-chat:hover{color:#9b302e}.sidebar-bottom{padding-top:18px}.wallet-button{display:flex;align-items:center;width:100%;padding:16px 10px;border-top:1px solid #dce3d7;font-size:13px;gap:10px}.wallet-button strong{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}.wallet-button svg{width:15px}.account-button{display:flex;align-items:center;gap:10px;width:100%;padding:10px;border-radius:10px;text-align:left;font-size:13px}.account-button:hover{background:#e4ebe0}.avatar{background:#dbe7d7;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;font-weight:600}#account-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}main{display:flex;flex-direction:column;min-width:0;flex:1}header{display:flex;align-items:center;justify-content:space-between;height:82px;padding:0 36px;flex-shrink:0}.model{font-size:18px;font-weight:600}.model span{font-size:12px;font-weight:400;color:var(--muted);margin-left:10px}.pilot{font-size:12px;color:#53614f;background:#f0f4ed;padding:6px 10px;border-radius:5px}.icon-button{display:none;padding:8px}.notice{margin:0 36px;font-size:12px;color:#5b6559;line-height:1.6;min-height:20px;max-width:900px}.conversation{flex:1;overflow-y:auto;scroll-behavior:smooth;padding:20px 32px 30px;scrollbar-color:#c4cec0 transparent;scrollbar-width:thin}.welcome{max-width:680px;margin:clamp(20px,10vh,100px) auto 0;text-align:center}.welcome-mark{margin-bottom:22px}.welcome-mark img{width:48px;height:48px}h1{font-size:36px;line-height:1.2;font-weight:550;letter-spacing:-.035em;margin:0 0 18px;text-wrap:balance}.welcome p{font-size:16px;line-height:1.7;color:var(--muted);margin:0}.suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:34px}.suggestions button{padding:12px 14px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:18px;font-size:13px}.suggestions button:hover{background:#f3f6f0;border-color:#b7c7b3}.suggestions svg{width:15px;height:15px;color:#687f69}.composer-area{width:100%;max-width:828px;margin:0 auto;padding:0 24px max(14px,env(safe-area-inset-bottom))}.composer-area form{border:1px solid #d5ddd0;border-radius:20px;padding:17px 18px 12px;background:#fff;box-shadow:none}.composer-area form:focus-within{border-color:#87a186}textarea{width:100%;resize:none;border:0;outline:none!important;background:transparent;color:#252a26;font-size:16px;line-height:1.6;max-height:180px;caret-color:var(--accent)}textarea::placeholder{color:#687263}.composer-tools{display:flex;align-items:center;justify-content:space-between;gap:12px}.composer-tools>span{color:#6b7569;font-size:12px}.send-button{width:36px;height:36px;border-radius:50%;background:#2c513b;color:#fff;display:grid;place-items:center}.send-button:hover{background:#193824}.footnote{text-align:center;font-size:12px;color:#6f786c;margin:12px 0 0}.call-status{font-size:13px;line-height:1.5;color:#52634f;margin-bottom:8px;white-space:pre-line}.message{max-width:740px;margin:0 auto 30px;font-size:16px;line-height:1.8;overflow-wrap:anywhere;white-space:pre-wrap}.message.user{max-width:580px;margin-right:max(0px,calc((100% - 740px)/2));margin-left:auto;background:#eef2eb;padding:14px 20px;border-radius:18px}.message.assistant{padding:0 8px}.message-label{display:block;font-size:12px;font-weight:600;color:#53684e;margin-bottom:10px;white-space:normal}.message-actions{display:flex;gap:12px;margin-top:10px}.message-actions button{font-size:12px;color:#62725b;padding:0}.message-actions button:hover{text-decoration:underline;text-underline-offset:3px}.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}dialog{border:1px solid #dce3d7;border-radius:20px;padding:32px;width:min(460px,calc(100% - 32px));max-height:calc(100dvh - 40px);color:#252a26;box-shadow:0 20px 80px -20px #13251b44}dialog::backdrop{background:#26352d55}dialog h2{font-size:26px;letter-spacing:-.025em;font-weight:600;margin:18px 0 12px}dialog h3{font-size:15px;margin:28px 0 12px}dialog p{font-size:14px;line-height:1.7;color:var(--muted)}dialog label{display:block;font-size:13px;margin:20px 0 7px}dialog input{width:100%;padding:12px;border:1px solid #bac7b5;border-radius:8px;background:#fff;color:#252a26}dialog .primary{background:var(--accent);color:#fff;border-radius:9px;padding:12px 18px;font-weight:550}#auth-submit{width:100%;margin-top:12px}.text-button{display:block;margin:18px auto 0;color:var(--accent);font-size:14px}.close-dialog{position:absolute;top:12px;right:14px;font-size:26px;color:#66765d;padding:0 6px}.small,dialog .small{font-size:12px;line-height:1.6}.error,dialog .error{color:#9c332d;font-size:13px;white-space:pre-line}.wallet-amount{font-size:40px;letter-spacing:-.035em;font-variant-numeric:tabular-nums;margin:20px 0 0}.packs{display:flex;gap:8px;flex-wrap:wrap}.packs button{padding:10px 14px;border-radius:8px;border:1px solid #cdd8c5;font-size:14px}.packs button:hover{background:#eff4eb}.transaction{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.transaction small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.transaction strong{white-space:nowrap;font-weight:550;font-variant-numeric:tabular-nums}#payment-links a{display:inline-block;color:var(--accent);margin-top:14px}.check-payment{display:block;color:var(--accent);font-size:13px;margin:12px 0;padding:0}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.dialog-actions>button{padding:12px 18px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#244130;color:#fff;padding:12px 20px;border-radius:9px;max-width:calc(100vw - 32px);font-size:14px;z-index:10}#scrim{position:fixed;inset:0;background:#1e332655;z-index:4}[hidden]{display:none!important}@media(max-width:760px){aside{position:fixed;left:0;top:0;bottom:0;width:min(290px,85vw);z-index:5;transform:translateX(-100%);transition:transform .2s ease-out}body.menu-open aside{transform:translateX(0)}header{height:66px;padding:0 16px;gap:10px}.icon-button{display:grid;place-items:center}.model{margin-right:auto;font-size:17px}.model span{font-size:12px;display:block;margin:2px 0 0}.pilot{font-size:12px;padding:5px 7px}.notice{margin:0 20px;font-size:12px}.conversation{padding:18px 18px 24px}.welcome{margin-top:clamp(16px,7vh,65px)}h1{font-size:29px}.welcome p{font-size:14px}.welcome-mark{margin-bottom:18px}.suggestions{gap:8px;margin-top:24px}.suggestions button{font-size:12px;padding:10px 12px;gap:10px}.composer-area{padding:0 12px max(12px,env(safe-area-inset-bottom))}.composer-area form{padding:12px 14px 10px;border-radius:17px}.message{font-size:15px;line-height:1.75}.message.user{margin-left:25px;margin-right:0;padding:12px 16px}.footnote{font-size:12px}.call-status{font-size:12px}.composer-tools>span{font-size:12px}dialog{padding:26px 22px}.wallet-amount{font-size:34px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}