.message-layout{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2fr);gap:24px}.message-layout .panel{min-width:0}.thread-link{display:block;width:100%;text-align:left;padding:16px;margin:12px 0;background:#f2f6fa;border:1px solid #c8d5e0;border-radius:12px;color:#102b46;overflow-wrap:anywhere}.message-layout button:focus-visible{outline:3px solid #c45527;outline-offset:3px}#message-history{list-style:none;padding:0;max-height:65vh;overflow:auto}.message{padding:16px;background:#f2f6fa;border-radius:12px;margin:14px 0;overflow-wrap:anywhere}.message.mine{background:#e4f0ea}.message p{white-space:pre-wrap}#send-message textarea{width:100%;box-sizing:border-box}#close-thread{margin-top:20px}.message-layout [hidden]{display:none}@media(max-width:800px){.message-layout{grid-template-columns:1fr}}