[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{color:var(--text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.chat-messages-empty .empty-icon{border-radius:var(--radius-lg);background:var(--glass-bg-subtle);width:64px;height:64px;-webkit-backdrop-filter:var(--blur-md);border:1px solid var(--glass-border);color:var(--text-muted);justify-content:center;align-items:center;display:flex}.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-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-input{border-radius:var(--radius-full);border:1px solid var(--glass-border);background:var(--glass-bg-subtle);color:var(--text-primary);transition:all var(--transition-fast);outline:none;flex:1;padding:12px 18px;font-size:14px}.chat-input-area .chat-input::placeholder{color:var(--text-muted)}.chat-input-area .chat-input:focus{border-color:var(--accent);background:var(--glass-bg);box-shadow:0 0 0 3px var(--accent-soft)}.chat-input-area .send-btn{border:1px solid var(--glass-border);background:var(--accent);color:#fff;cursor:pointer;width:44px;height:44px;transition:all var(--transition-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-input-area .send-btn:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05);box-shadow:0 4px 16px #5e6ad24d}.chat-input-area .send-btn:disabled{opacity:.5;cursor:not-allowed}.chat-toast{z-index:200;border-radius:var(--radius-lg);background:var(--glass-bg-heavy);-webkit-backdrop-filter:var(--blur-xl);color:var(--text-primary);box-shadow:var(--glass-shadow-lg), var(--glass-shadow-inset);border:1px solid var(--glass-border);padding:12px 24px;font-size:13px;font-weight:500;animation:.3s toastIn;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%)translateY(20px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.chat-welcome{text-align:center;background:0 0;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;display:flex}.chat-welcome .welcome-icon{border-radius:var(--radius-xl);background:var(--glass-bg-heavy);width:80px;height:80px;-webkit-backdrop-filter:var(--blur-2xl);border:1px solid var(--glass-border);color:var(--accent);box-shadow:var(--glass-shadow-lg), var(--glass-shadow-inset);justify-content:center;align-items:center;margin-bottom:20px;display:flex}.chat-welcome h2{margin-bottom:8px;font-size:22px;font-weight:700}.chat-welcome p{color:var(--text-secondary);max-width:320px;font-size:14px;line-height:1.6}.create-channel-btn{border-radius:var(--radius-md);border:1.5px dashed var(--glass-border);background:var(--glass-bg-subtle);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);justify-content:center;align-items:center;gap:6px;margin:8px;padding:10px;font-size:13px;font-weight:500;display:flex}.create-channel-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.peer-info{color:var(--text-secondary);align-items:center;gap:8px;font-size:11px;display:flex}.peer-info .peer-dot{background:var(--success);border-radius:50%;width:6px;height:6px}.peer-info .peer-id{font-family:var(--font-mono);text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.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}}