:root{--teal: #01A39F;--orange: #FF6B35;--red: #ff4444;--green: #4CAF50;--bg: #f0f0f0;--bg-card: #fff;--text: #333;--text-soft: #666;--text-mute: #888;--text-faint: #999;--border: #f0f0f0;--border-soft: #e0e0e0;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0;height:100%;width:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased;overscroll-behavior:none;overflow:hidden}body{user-select:none;-webkit-user-select:none}input,textarea{user-select:text;-webkit-user-select:text}button{font-family:inherit;font-size:inherit;background:none;border:none;padding:0;cursor:pointer;color:inherit}input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;background:transparent}.app{display:flex;flex-direction:column;height:100%;background:var(--bg)}.app-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.tabbar{display:flex;background:#fff;border-top:1px solid var(--border-soft);padding-bottom:var(--safe-bottom);height:calc(60px + var(--safe-bottom));flex-shrink:0}.tabbar-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:12px;color:var(--text-faint);padding:5px;height:60px;transition:color .15s}.tabbar-btn.active{color:var(--teal)}.header{display:flex;align-items:center;background:var(--teal);padding:calc(15px + var(--safe-top)) 20px 15px 20px;flex-shrink:0}.header-logo{width:32px;height:35px;margin-right:10px;object-fit:contain}.header-title{font-size:20px;font-weight:700;color:#fff;margin:0}.header-subtitle{font-size:12px;color:#fffc;margin:1px 0 0}.header-large .header-title{font-size:22px}.status-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.status-dot.online{background:var(--green)}.status-dot.offline{background:var(--red)}.screen{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;background:var(--bg)}.screen-light{background:#f5f5f5}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center;color:var(--text-soft)}.empty-state .empty-icon{color:#ccc;margin-bottom:15px}.empty-title{font-size:18px;font-weight:600;color:var(--text-soft);margin:0 0 8px}.empty-subtitle{font-size:14px;color:var(--text-faint);line-height:20px;margin:0;white-space:pre-line}.convo-item{display:flex;flex-direction:row;padding:15px;background:#fff;align-items:center;width:100%;text-align:left;border:none;border-bottom:1px solid var(--border)}.convo-item:active{background:#fafafa}.convo-icon{width:48px;height:48px;border-radius:24px;display:flex;align-items:center;justify-content:center;margin-right:12px;flex-shrink:0}.convo-info{flex:1;min-width:0}.convo-name-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.convo-name{font-size:16px;font-weight:600;color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.convo-time{font-size:12px;color:var(--text-faint);flex-shrink:0}.convo-preview-row{display:flex;align-items:center;margin-top:3px;gap:5px}.convo-preview{font-size:14px;color:var(--text-mute);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.online-dot-small{width:7px;height:7px;border-radius:4px;background:var(--green);flex-shrink:0}.badge{background:var(--teal);border-radius:10px;min-width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;margin-left:8px;flex-shrink:0;color:#fff;font-size:11px;font-weight:700}.chat-header{display:flex;align-items:center;background:var(--teal);padding:calc(15px + var(--safe-top)) 15px 15px 15px;flex-shrink:0}.back-btn{padding:5px;margin-right:10px;color:#fff}.chat-header-title{font-size:18px;font-weight:700;color:#fff;margin:0}.chat-header-sub{font-size:12px;color:#ffffffb3;margin:1px 0 0}.message-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:8px 12px;display:flex;flex-direction:column;gap:6px;background:var(--bg)}.message-bubble{max-width:80%;padding:10px 12px;border-radius:16px;word-wrap:break-word;word-break:break-word}.message-bubble.mine{background:var(--teal);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.message-bubble.theirs{background:#fff;align-self:flex-start;border-bottom-left-radius:4px}.sender-name{font-size:12px;font-weight:700;color:var(--teal);margin-bottom:3px}.message-text{font-size:15px;line-height:20px;white-space:pre-wrap}.message-footer{display:flex;align-items:center;justify-content:flex-end;margin-top:4px;gap:4px}.message-time{font-size:11px;color:var(--text-faint)}.message-bubble.mine .message-time{color:#ffffffb3}.input-bar{display:flex;align-items:flex-end;background:#fff;padding:8px 12px calc(8px + var(--safe-bottom)) 12px;border-top:1px solid var(--border-soft);flex-shrink:0;gap:8px}.text-input{flex:1;background:#f5f5f5;border-radius:20px;padding:10px 16px;font-size:15px;max-height:100px;min-height:40px;resize:none;line-height:20px;font-family:inherit}.send-btn{width:44px;height:44px;border-radius:22px;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.send-btn:disabled{opacity:.4}.read-only-bar{display:flex;align-items:center;justify-content:center;background:#f0f0f0;padding:12px;padding-bottom:calc(12px + var(--safe-bottom));border-top:1px solid var(--border-soft);color:var(--text-mute);font-style:italic;font-size:14px;flex-shrink:0;gap:8px}.section-title{font-size:13px;font-weight:600;color:var(--teal);text-transform:uppercase;padding:20px 20px 8px;letter-spacing:.5px}.setting-item{background:#fff;padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.setting-label{font-size:16px;color:var(--text);flex:1}.setting-value{font-size:15px;color:var(--text-mute)}.disconnect-btn{background:var(--red);color:#fff;padding:6px 12px;border-radius:8px;font-size:13px;font-weight:600}.scan-btn{display:flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;margin:10px 20px 0;padding:14px;border-radius:12px;font-size:15px;font-weight:600;gap:8px}.scan-btn:disabled{opacity:.7}.device-item{display:flex;align-items:center;background:#fff;padding:14px;margin:6px 20px 0;border-radius:10px;border:1px solid var(--border-soft);gap:10px;width:calc(100% - 40px);text-align:left}.nav-btn{display:flex;align-items:center;background:#fff;padding:14px 20px;border-bottom:1px solid var(--border);width:100%;text-align:left;gap:14px}.nav-btn-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.nav-btn-label{font-size:16px;font-weight:600;color:var(--text)}.nav-btn-sub{font-size:13px;color:var(--text-faint);margin-top:2px}.toggle{position:relative;width:50px;height:30px;background:#ccc;border-radius:15px;transition:background .2s;flex-shrink:0}.toggle.on{background:var(--teal)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:26px;height:26px;background:#fff;border-radius:13px;transition:transform .2s;box-shadow:0 2px 4px #0003}.toggle.on:after{transform:translate(20px)}.lock-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px}.lock-logo{width:80px;height:88px;margin-bottom:20px;object-fit:contain}.lock-title{font-size:22px;font-weight:700;color:var(--text);margin:0 0 8px}.lock-subtitle{font-size:15px;color:var(--text-soft);text-align:center;margin:0 0 25px}.input-container{display:flex;align-items:center;width:100%;max-width:320px;background:#fff;border-radius:12px;border:1px solid #ddd;padding:0 15px;margin-bottom:10px;height:50px}.input-container input{flex:1;height:100%;font-size:16px}.eye-btn{padding:8px;color:var(--text-mute)}.error-text{color:#e6232d;font-size:14px;margin-bottom:10px;min-height:18px}.unlock-btn{display:flex;align-items:center;background:var(--teal);color:#fff;padding:14px 30px;border-radius:12px;font-size:16px;font-weight:600;gap:8px;margin-top:10px}.section-header{display:flex;align-items:center;padding:10px 16px;background:#f5f5f5;font-size:14px;font-weight:700;gap:6px}.section-header.online-section{background:#f1f8e9;color:#2e7d32}.section-header.offline-section{background:#fafafa;color:var(--text-faint)}.section-header.local-section{color:var(--teal)}.node-item{display:flex;padding:15px;background:#fff;align-items:flex-start;border-bottom:1px solid var(--border);width:100%;text-align:left;gap:12px}.node-icon{width:42px;height:42px;border-radius:21px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.node-info{flex:1;min-width:0}.node-name-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.node-name{font-size:16px;font-weight:600;color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-badge{display:flex;align-items:center;padding:3px 8px;border-radius:10px;font-size:11px;font-weight:600;gap:5px;flex-shrink:0}.status-badge.online{background:#e8f5e9;color:#2e7d32}.status-badge.offline{background:#fafafa;color:var(--text-faint)}.status-badge .indicator{width:7px;height:7px;border-radius:4px}.status-badge.online .indicator{background:var(--green)}.status-badge.offline .indicator{background:#bdbdbd}.node-detail{font-size:13px;color:var(--text-mute);margin-top:3px}.metrics-row{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.metric-chip{display:inline-flex;align-items:center;background:#f5f5f5;padding:2px 6px;border-radius:8px;font-size:11px;color:var(--text-soft);font-weight:500;gap:3px}.expanded-details{margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}.detail-row{display:flex;align-items:center;margin-bottom:4px;gap:6px;font-size:13px;color:var(--text-soft)}.info-content{display:flex;flex-direction:column;align-items:center;padding:30px 25px 40px}.polycom-logo{width:220px;height:130px;margin-bottom:10px;object-fit:contain}.company-name{font-size:24px;font-weight:700;color:var(--text);margin:0 0 5px}.divider{width:80%;height:1px;background:#ddd;margin:20px 0}.info-row{display:flex;flex-direction:row;align-items:flex-start;width:100%;background:#fff;border-radius:12px;padding:15px;margin-bottom:10px;box-shadow:0 1px 3px #0000000d;gap:15px;text-align:left;text-decoration:none;color:inherit}.info-text{font-size:15px;color:var(--text);line-height:22px;margin:0}.info-text-link{font-size:15px;color:var(--teal);font-weight:600;line-height:22px}.polysafe-logo-info{width:80px;height:88px;margin-bottom:10px;object-fit:contain}.app-name{font-size:18px;font-weight:700;color:var(--teal);margin:0 0 4px}.version{font-size:14px;color:var(--text-mute);margin:0 0 8px}.copyright{font-size:12px;color:#aaa;text-align:center;margin:0}.credit-row{display:flex;align-items:center;margin-top:10px;gap:8px;font-size:13px;color:var(--text-mute)}.credit-name{font-weight:700;color:var(--teal)}.ble-warning{background:#fff3e0;border:1px solid #FFB74D;color:#e65100;padding:12px 14px;border-radius:10px;margin:10px 20px;font-size:13px;line-height:18px;display:flex;gap:8px;align-items:flex-start}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@media (hover: none){button:focus,input:focus,textarea:focus{outline:none}}::-webkit-scrollbar{width:0;background:transparent}