.chat-shell{max-width:1080px;margin:0 auto;padding:0 40px}.chat-welcome{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:center;min-height:70vh;padding:50px 0}.chat-welcome h1{font-size:52px;line-height:1.15;letter-spacing:-1.8px;margin:18px 0}.chat-welcome>div>.muted{max-width:380px;font-size:15px;line-height:1.9}.chat-benefits{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.chat-benefits span{font-size:11px;padding:7px 10px;border:1px solid var(--border);border-radius:20px;color:var(--muted)}.connect-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:32px}.connect-card>.muted{font-size:13px;line-height:1.7}.connect-card>.small-text{font-size:11px;margin-top:20px}.chat-toolbar{display:flex;gap:24px;align-items:center;padding:25px 0;border-bottom:1px solid var(--border)}.model-picker{flex:1;min-width:0}.model-picker label{margin-top:0}.model-picker select{width:100%;max-width:360px;margin-bottom:7px}.model-picker>span{display:block}.chat-account{text-align:right;display:flex;flex-direction:column;gap:6px;min-width:0;overflow-wrap:anywhere;max-width:250px}.chat-account strong{font-size:13px}.chat-account span{font-size:11px}select{background:#0d1a21;border:1px solid #324852;border-radius:8px;padding:10px 12px;color:var(--text);font:inherit;font-size:13px;min-width:0}.conversation{min-height:300px;max-height:55vh;overflow-y:auto;padding:24px 0;scrollbar-width:thin}.chat-empty{text-align:center;padding:55px 15px}.chat-empty h2{font-size:27px;margin:12px 0}.chat-empty p{font-size:13px}.message{padding:18px 22px;background:var(--surface);border:1px solid var(--border);border-radius:14px;margin-bottom:16px}.message.user{background:#17352e;border-color:#25483e;margin-left:12%}.message.assistant{margin-right:4%}.message-label{display:block;font-size:11px;color:var(--accent);margin-bottom:8px;overflow-wrap:anywhere}.message-content{font-size:14px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.composer{border:1px solid #365247;border-radius:14px;padding:16px 20px;background:#12251f}.composer label{margin:0 0 8px}.composer textarea{background:#0d1c17;border-color:#30493f;max-height:250px}.composer-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.composer-actions>div{display:flex;gap:8px}.chat-footnote{font-size:10px;line-height:1.8;text-align:center;padding:0 15px}.composer .form-error:empty{display:none}.chat-shell footer{margin-top:20px}
@media(max-width:750px){.chat-shell{padding:0 20px}.chat-welcome{grid-template-columns:1fr;gap:28px;padding:35px 0;min-height:0}.chat-welcome h1{font-size:40px}.chat-welcome h1 br{display:none}.chat-benefits{margin-top:20px}.connect-card{padding:24px}.chat-toolbar{gap:16px;flex-wrap:wrap}.model-picker{flex-basis:100%}.model-picker select{max-width:100%}.chat-account{text-align:left;flex:1;max-width:none}.conversation{max-height:50vh;min-height:250px}.chat-empty{padding:45px 10px}.chat-empty h2{font-size:23px}.message{padding:14px 16px}.message.user{margin-left:5%}.message.assistant{margin-right:0}.composer{padding:14px}.composer-actions{align-items:flex-end}.composer-actions>span{font-size:10px;max-width:145px}.chat-footnote{padding:0}.chat-shell .identity strong{max-width:210px}}