[data-theme=dark]{--chat-bg-secondary:#1c1c1e99;--chat-bg-tertiary:#2c2c2e66;--chat-border:#ffffff14}.chat-messages{background:0 0;flex-direction:column;flex:1;gap:16px;padding:20px 24px;display:flex;overflow-y:auto}.chat-messages-empty{flex:1}.chat-messages-empty p{font-size:14px}.chat-message{align-items:flex-start;gap:10px;max-width:70%;animation:.25s fadeIn;display:flex}.chat-message.self{flex-direction:row-reverse;align-self:flex-end}.chat-message.self .msg-content{align-items:flex-end}.chat-message.self .message-bubble{background:linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 75%, var(--info)));color:#fff;border:1px solid #ffffff1a;border-radius:18px 4px 18px 18px;box-shadow:0 4px 16px #5e6ad240}.chat-message.self .message-author{color:var(--accent)}.chat-message.self .message-time{color:var(--text-muted)}.chat-message.other{align-self:flex-start}.chat-message.other .msg-content{align-items:flex-start}.chat-message.other .message-bubble{background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-md);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow), var(--glass-shadow-inset);border-radius:4px 18px 18px}.chat-message .msg-avatar{flex-shrink:0}.chat-message .msg-content{flex-direction:column;gap:4px;max-width:100%;display:flex}.chat-message .message-author{color:var(--text-muted);font-size:11px;font-weight:500}.chat-message .message-bubble{word-break:break-word;padding:10px 14px;font-size:14px;line-height:1.5}.chat-message .message-bubble.has-attachment{box-shadow:none;color:var(--text-primary);background:0 0;border:none;padding:0}.chat-message .message-time{color:var(--text-muted);opacity:.7;font-size:10px}.chat-message.pending .message-bubble{opacity:.6}.chat-input-area{border-top:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-xl);gap:12px;padding:16px 24px;display:flex}.chat-input-area .chat-file-input{display:none}.chat-input-area .chat-tool-btn{color:var(--text-secondary);flex-shrink:0}.chat-input-area .chat-tool-btn:hover:not(:disabled){color:var(--accent);border-color:var(--accent);transform:scale(1.05)}.chat-input-area .input-pill{flex:1;min-width:0}.chat-input-area .send-btn{flex-shrink:0}.chat-input-area .send-btn:hover:not(:disabled){transform:scale(1.05)}.chat-welcome{background:0 0;flex:1;padding:40px}.chat-welcome .welcome-icon{margin-bottom:20px}.chat-welcome h2{margin-bottom:8px}.chat-channel-search{padding:10px 8px 0}.create-channel-btn{margin:8px}.leave-channel-btn{opacity:0;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;margin-left:auto;padding:4px;display:flex}.sidebar-nav-btn:hover .leave-channel-btn{opacity:1}.leave-channel-btn:hover{color:var(--danger);background:#ff3b301a}.chat-sidebar-overlay{display:none}@media (max-width:768px){.chat-sidebar{z-index:50;transition:left var(--transition);position:fixed;top:0;bottom:0;left:-240px}.chat-sidebar.open{left:0}.chat-sidebar-overlay{z-index:40;opacity:0;pointer-events:none;transition:opacity var(--transition);background:#0006;display:block;position:fixed;inset:0}.chat-sidebar-overlay.visible{opacity:1;pointer-events:auto}.chat-messages{padding:16px}.chat-message{max-width:85%}.chat-input-area{padding:12px 16px}.sidebar-nav-btn .leave-channel-btn{opacity:1}}.channel-detail-overlay{z-index:100;background:#0000004d;justify-content:flex-end;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.channel-detail-drawer{background:var(--glass-bg-heavy);width:320px;max-width:90vw;height:100%;-webkit-backdrop-filter:var(--blur-2xl);border-left:1px solid var(--glass-border);flex-direction:column;animation:.25s slideInRight;display:flex}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.channel-detail-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding:20px;display:flex}.channel-detail-header h3{margin:0;font-size:16px;font-weight:600}.channel-detail-body{flex-direction:column;flex:1;gap:20px;padding:20px;display:flex;overflow-y:auto}.channel-detail-section{flex-direction:column;gap:8px;display:flex}.channel-detail-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:6px;font-size:12px;font-weight:500;display:flex}.channel-members-section{gap:12px}.channel-members-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 8px;display:grid}.channel-member{flex-direction:column;align-items:center;gap:6px;min-width:0;display:flex}.channel-member-avatar{border-radius:var(--radius-md);object-fit:cover;background:var(--glass-bg-subtle);border:1px solid var(--glass-border);width:48px;height:48px}.channel-member-name{width:100%;min-width:0;color:var(--text-secondary);text-align:center;text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:1.3;overflow:hidden}.channel-detail-mono{font-family:var(--font-mono);word-break:break-all;font-size:13px}.channel-detail-footer{border-top:1px solid var(--glass-border);padding:20px}.header-right-actions{align-items:center;gap:4px;display:flex}.chat-join-container{flex:1;justify-content:center;align-items:flex-start;min-height:0;padding:24px;display:flex;overflow-y:auto}.chat-join-panel{flex-direction:column;gap:16px;width:100%;max-width:560px;display:flex}.chat-join-helper{border-radius:var(--radius-lg);background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-md);border:1px solid var(--glass-border);flex-direction:column;gap:14px;padding:24px;display:flex}.chat-join-helper-title{color:var(--accent);align-items:center;gap:8px;display:flex}.chat-join-helper-title h3{color:var(--text-primary);margin:0;font-size:16px;font-weight:600}.chat-join-spec{border-radius:var(--radius-lg);background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-md);border:1px solid var(--glass-border);flex-direction:column;gap:14px;padding:24px;display:flex}.chat-join-field-list{flex-direction:column;gap:10px;display:flex}.chat-join-field{border-radius:var(--radius-md);background:var(--glass-bg-subtle);border:1px solid var(--glass-border);flex-direction:column;gap:6px;padding:12px;display:flex}.chat-join-field p{color:var(--text-secondary);margin:0;font-size:13px;line-height:1.5}.chat-join-field-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.chat-join-field-name{color:var(--text-primary);font-family:var(--font-mono);overflow-wrap:anywhere;font-size:13px}.chat-join-loading,.chat-join-error,.chat-join-success{border-radius:var(--radius-lg);background:var(--glass-bg);-webkit-backdrop-filter:var(--blur-md);border:1px solid var(--glass-border);text-align:center;flex-direction:column;align-items:center;gap:16px;width:100%;padding:48px;display:flex}:is(.chat-join-loading,.chat-join-error,.chat-join-success) p{color:var(--text-secondary);margin:0;font-size:16px}.chat-join-loading{color:var(--accent)}.chat-join-error{color:var(--danger)}.chat-join-success{color:var(--success)}.chat-join-status{color:var(--text-muted);font-size:13px}.chat-join-result{border-radius:var(--radius-md);background:var(--glass-bg-subtle);border:1px solid var(--glass-border);font-family:var(--font-mono);color:var(--text-primary);white-space:pre-wrap;word-break:break-all;text-align:left;width:100%;max-height:240px;margin-top:16px;padding:16px;font-size:13px;overflow-y:auto}