.chat-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:8px 0 24px}
.chat-intro h1{font-size:clamp(2.4rem,6vw,5rem);line-height:.96;margin:8px 0 12px}
.chat-intro p{margin:0;color:var(--muted)}
.quiet-action{background:transparent;color:#8eb5da;border:1px solid #294662;border-radius:999px;padding:9px 14px;font-weight:650}
.chatbox-v2{height:min(58vh,650px);padding:26px;scroll-behavior:smooth}
.chatbox-v2 .msg{width:min(88%,900px);max-width:none;box-shadow:0 12px 32px rgba(0,0,0,.14)}
.chatbox-v2 .msg.user{width:auto;max-width:70%}
.response-actions{display:flex;gap:14px;margin-top:18px;padding-top:12px;border-top:1px solid #294662}
.response-actions a{font-size:.88rem;color:#79dff1;text-decoration:none}
.response-actions a:hover{text-decoration:underline}
.composer-v2{position:relative;margin-top:14px;background:#0a1c30;border:1px solid #31506f;border-radius:22px;padding:10px;box-shadow:0 18px 45px rgba(0,0,0,.2)}
.composer-row{display:grid;grid-template-columns:44px minmax(180px,1fr) auto 48px;gap:9px;align-items:end}
.composer-row textarea{min-height:62px;max-height:180px;resize:vertical;border:0;background:transparent;color:#eef7ff;padding:12px 8px;font:inherit;outline:none}
.icon-button,.send-button{width:44px;height:44px;border-radius:50%;padding:0;font-size:1.55rem;display:grid;place-items:center}
.icon-button{background:#17314f;color:#bfe5ff;border:1px solid #31506f}
.send-button{background:linear-gradient(135deg,#26c7e8,#347cf2);color:#041322}
.composer-row select{height:44px;border:1px solid #31506f;border-radius:12px;background:#10243d;color:#dceeff;padding:0 36px 0 12px;font:inherit}
.attachment-chip{display:inline-flex;margin:0 0 8px 53px;padding:7px 11px;border-radius:999px;background:#143957;color:#8de8f6;font-size:.87rem}
.chat-state{min-height:24px;margin:8px 8px;color:#8eb5da;font-size:.9rem}
.academic-answer>div{font-size:1rem}
@media(max-width:760px){
 .chat-intro{align-items:flex-start;flex-direction:column}.chat-intro h1{font-size:3rem}
 .composer-row{grid-template-columns:42px 1fr 45px}.composer-row select{grid-column:2/4;grid-row:2}
 .chatbox-v2 .msg,.chatbox-v2 .msg.user{max-width:96%;width:auto}.attachment-chip{margin-left:0}
}
.conversation-tools{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap}.conversation-tools select{max-width:260px;background:#081a30;color:#dcecff;border:1px solid #284a6d;border-radius:999px;padding:.72rem 1rem}.conversation-tools .quiet-action{white-space:nowrap}
.response-actions{display:none}.response-actions.requested-export{display:flex}