.chat-demo-page{padding:40px;background:#f8fafc;min-height:100vh}.demo-header{text-align:center;margin-bottom:32px}.demo-header h1{font-size:32px;font-weight:700;color:#1e293b;margin:0 0 8px}.demo-header p{font-size:16px;color:#64748b;margin:0}.demo-controls{max-width:500px;margin:0 auto 32px}.control-toggle{width:100%;padding:12px;background:#6366f1;color:white;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.control-toggle:hover{background:#4f46e5}.settings-panel{background:white;border-radius:12px;padding:20px;margin-top:16px;box-shadow:0 2px 8px rgba(0,0,0,.1)}.settings-panel h3{font-size:18px;font-weight:600;color:#1e293b;margin:0 0 16px}.setting-group{margin-bottom:16px}.setting-group label{display:block;font-size:13px;font-weight:500;color:#475569;margin-bottom:6px}.setting-group input,.setting-group select{width:100%;padding:10px 12px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;outline:none;transition:border-color .2s}.setting-group input:focus,.setting-group select:focus{border-color:#6366f1}.color-picker{display:flex;align-items:center;gap:12px}.color-picker input[type=color]{width:48px;height:36px;padding:0;border:none;border-radius:6px;cursor:pointer}.color-picker span{font-size:14px;color:#64748b}.setting-info{margin-top:16px;padding-top:16px;border-top:1px solid #e2e8f0}.setting-info h4{font-size:14px;font-weight:600;color:#1e293b;margin:0 0 8px}.setting-info ul{margin:0;padding-left:20px;font-size:13px;color:#64748b}.setting-info li{margin-bottom:4px}.demo-content{max-width:800px;margin:0 auto;background:white;border-radius:12px;padding:32px;box-shadow:0 2px 8px rgba(0,0,0,.1)}.demo-content h2{font-size:24px;font-weight:600;color:#1e293b;margin:0 0 16px}.demo-content p{font-size:15px;color:#475569;line-height:1.6;margin:0 0 16px}.demo-content ul{margin:0 0 16px;padding-left:24px}.demo-content li{font-size:15px;color:#475569;margin-bottom:8px}.demo-content .note{padding:12px 16px;background:#fef3c7;border-radius:8px;font-size:14px;color:#92400e}