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.chat-msg-meta{flex-direction:row-reverse}.chat-msg-name{font-weight:600;color:var(--text)}.chat-del{border:none;background:none;cursor:pointer;color:var(--text-dim);font-size:12px;padding:0 2px;opacity:0;transition:opacity .15s}.chat-msg:hover .chat-del{opacity:1}.chat-del:hover{color:var(--danger)}.chat-msg-text{display:inline-block;padding:8px 12px;border-radius:14px;background:var(--bg-soft);border:1px solid var(--border);font-size:14px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.chat-msg.mine .chat-msg-text{background:var(--primary-soft);border-color:#0a84ff4d}.chat-img{max-width:240px;max-height:180px;border-radius:10px;border:1px solid var(--border);display:block;cursor:zoom-in}.chat-file{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;background:var(--bg-soft);border:1px solid var(--border);font-size:13px;color:var(--text);max-width:100%;overflow-wrap:anywhere}.chat-file:hover{border-color:var(--primary);color:var(--text)}.chat-file-size{color:var(--text-dim);font-size:12px}.chat-error{color:var(--danger);font-size:12px;padding:8px 14px;background:#ff3b3014;border-top:1px solid rgba(255,59,48,.2)}.chat-input{border-top:1px solid var(--border);padding:10px 12px;display:flex;flex-direction:column;gap:8px}.chat-input textarea{width:100%;resize:none;border:1px solid var(--border);border-radius:10px;padding:8px 10px;font-size:14px;background:var(--bg);color:var(--text);font-family:inherit}.chat-input textarea:focus{outline:none;border-color:var(--primary)}.chat-input-row{display:flex;align-items:center;gap:10px}.chat-attach{cursor:pointer}.chat-input-row .btn-primary{margin-left:auto}@media(max-width:640px){.chat-panel{top:64px;right:10px;left:10px;width:auto;height:calc(100vh - 120px)}}.channel-tabs{display:flex;gap:10px;margin-bottom:6px;flex-wrap:wrap}.channel-tabs button{padding:8px 18px;border-radius:20px;cursor:pointer;font-size:14px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-dim);transition:all .15s}.channel-tabs button:hover{border-color:var(--primary);color:var(--primary)}.channel-tabs button.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.chat-room-view{display:flex;flex-direction:column;height:min(62vh,640px);min-height:340px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);box-shadow:var(--shadow);overflow:hidden}.chat-room-view .chat-list{background:transparent}.room-body{flex:1;display:flex;min-height:0}.room-body .participants-grid{flex:1;min-width:0;overflow-y:auto}.side-members{width:250px;flex-shrink:0;border-left:1px solid var(--border);background:var(--bg-card);padding:14px 12px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.side-title{font-size:12px;color:var(--text-dim);font-weight:600;padding:4px 6px 8px}.side-row{padding:8px 10px;border-radius:12px;border:1px solid transparent}.side-row:hover{background:var(--bg-soft)}.side-row.self{background:var(--primary-soft)}.side-row.offline{opacity:.55}.side-info{display:flex;align-items:center;gap:8px;min-width:0}.side-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}.side-name{font-size:13px;font-weight:500;color:var(--text);display:flex;align-items:center;gap:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-offline-tag{color:var(--text-dim);font-size:11px}.side-muted-icon{font-size:12px}.side-volume{display:flex;align-items:center;gap:8px;margin-top:6px;cursor:pointer}.side-vol-label{font-size:11px;color:var(--text-dim);white-space:nowrap}.side-volume 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6px;border-radius:8px;white-space:nowrap}.chat-msg.rec .chat-msg-text{background:#ff950021;border-color:#ff950061}.chat-msg.rec.mine .chat-msg-text{background:#ff950038;border-color:#ff950073}.chat-msg.rec .chat-file{background:#ff95001f;border-color:#ff95006b}.chat-msg.rec .chat-img{border-color:#ff950080}.room-main{flex:1;display:flex;min-height:0}.chat-main{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;padding:14px 18px 18px}.chat-room-view.fill{height:auto;flex:1;min-height:0}.side-panel{width:300px;flex-shrink:0;overflow-y:auto;border-left:1px solid var(--border);background:var(--bg-card);padding:10px 12px 24px;display:flex;flex-direction:column}.side-block{padding:10px 2px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.side-block:last-child{border-bottom:none}.side-btn-row{display:flex;gap:8px;flex-wrap:wrap}.side-btn-row .btn{flex:1}.room-join-chip{font-size:12px;color:var(--text-dim);background:var(--bg-soft);padding:3px 10px;border-radius:12px}@media(max-width:900px){.side-panel{width:240px}}@media(max-width:760px){.room-main{flex-direction:column}.chat-main{padding:10px}.chat-main .chat-room-view.fill{min-height:46vh}.side-panel{width:auto;border-left:none;border-top:1px solid var(--border);max-height:46vh}}.side-row-actions{display:flex;gap:6px;margin-top:6px}.side-row-actions .btn{flex:1}