.chat-shell{display:grid;grid-template-columns:260px 1fr;min-height:620px;background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.chat-list{padding:20px;border-right:1px solid var(--line);background:#f7f8f4}.chat-person{width:100%;display:flex;align-items:center;gap:10px;border:0;background:transparent;padding:12px;margin-top:8px;border-radius:12px;text-align:left;cursor:pointer}.chat-person.active{background:white;box-shadow:0 8px 20px rgba(30,47,38,.07)}.chat-person>span{width:38px;height:38px;border-radius:12px;background:#dff36d;display:grid;place-items:center;font-weight:800}.chat-person strong,.chat-person small{display:block}.chat-person small{color:var(--muted);margin-top:3px}.chat-room{display:flex;flex-direction:column}.chat-room>header{margin:0;padding:16px 20px;border-bottom:1px solid var(--line)}.chat-room>header strong,.chat-room>header small{display:block}.chat-room>header small{color:var(--muted);margin-top:3px}.messages{padding:24px;flex:1;overflow:auto;background:#fcfcfa}.message{max-width:72%;margin:0 0 20px;padding:15px 17px;background:white;border:1px solid var(--line);border-radius:5px 17px 17px 17px}.message.mine{margin-left:auto;background:#ecf6df;border-color:#d9e9c9;border-radius:17px 5px 17px 17px}.message b{font-size:12px;color:var(--muted)}.message p{margin:8px 0}.translation{padding-top:10px;border-top:1px dashed #ccd2cb;color:#314039}.translation span{display:block;color:var(--green);font-size:11px;font-weight:800;margin-bottom:5px}.composer{display:flex;gap:10px;padding:16px;border-top:1px solid var(--line)}.composer textarea{min-height:48px;height:48px;margin:0;resize:none}@media(max-width:900px){.chat-shell{grid-template-columns:1fr}.chat-list{display:none}.message{max-width:90%}}