:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#0f172a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--success: #10b981;--danger: #ef4444}:root,[data-theme=dark]{--bg: #0f172a;--bg-card: #1e293b;--bg-hover: #334155;--text: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--shadow: rgba(0, 0, 0, .3)}[data-theme=light]{--bg: #f8fafc;--bg-card: #ffffff;--bg-hover: #f1f5f9;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--shadow: rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px var(--shadow);gap:1rem;flex-wrap:wrap}.app-header-left{display:flex;flex-direction:column;gap:1rem;flex:1;min-width:0}.app-header h1{font-size:1.5rem;font-weight:600;color:var(--text);margin:0}.app-tabs{display:flex;gap:.5rem}.app-tab{background:transparent;border:none;padding:1.5rem 2rem;font-size:.95rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .2s;border-bottom:1px solid transparent;margin-bottom:-1px;position:relative}.app-tab:hover{color:var(--text);background:var(--bg-hover)}.app-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.app-tab.active:hover{color:var(--primary-light)}.app-header-controls{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:1rem 2rem}.message-count-wrapper{position:relative;display:inline-block;margin-left:.5rem}.message-count-bubble{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:var(--primary);color:#fff;border-radius:10px;font-size:.75rem;font-weight:600;box-shadow:0 2px 4px #0003;cursor:pointer;transition:background .2s}.message-count-bubble:hover{background:var(--primary-dark)}.messages-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px #0000004d;min-width:400px;max-width:600px;max-height:500px;z-index:1000;overflow:hidden;display:flex;flex-direction:column}.messages-dropdown-header{padding:.75rem 1rem;background:var(--bg-hover);border-bottom:1px solid var(--border);font-size:.875rem;font-weight:600;color:var(--text)}.messages-dropdown-list{overflow-y:auto;max-height:450px}.message-item{padding:.75rem 1rem;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:.5rem;transition:background .2s}.message-item:last-child{border-bottom:none}.message-item:hover{background:var(--bg-hover)}.message-item.message-connected{border-left:3px solid var(--success)}.message-item.message-property{border-left:3px solid var(--primary)}.message-header{display:flex;justify-content:space-between;align-items:center;gap:1rem}.message-type{font-size:.7rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.message-time{font-size:.7rem;color:var(--text-muted);font-weight:500;white-space:nowrap}.message-content{font-size:.875rem;color:var(--text);word-break:break-word;line-height:1.4}.app-main{flex:1;padding:2rem;width:100%;margin:0 auto}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:1rem}.login-card{background:var(--bg-card);border-radius:16px;padding:3rem;width:100%;max-width:420px;box-shadow:0 20px 60px #00000080}.login-card h1{font-size:2rem;margin-bottom:.5rem;text-align:center;color:var(--text)}.subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem}.login-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.875rem;font-weight:500;color:var(--text-muted)}.form-group input{padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:1rem;transition:border-color .2s}.form-group input:focus{outline:none;border-color:var(--primary)}.form-group input:disabled{opacity:.5;cursor:not-allowed}.error-message{background:#ef44441a;border:1px solid var(--danger);color:var(--danger);padding:.75rem;border-radius:8px;font-size:.875rem}.btn-primary{padding:.75rem 1.5rem;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s;margin-top:.5rem}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{padding:.5rem 1rem;background:var(--bg-hover);color:var(--text);border:1px solid var(--border);border-radius:8px;font-size:.875rem;cursor:pointer;transition:background .2s}.btn-secondary:hover{background:var(--border)}.btn-logout{padding:.5rem 1rem;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:8px;font-size:.875rem;cursor:pointer;transition:all .2s}.btn-logout:hover{color:var(--text);border-color:var(--text-muted)}.btn-icon{background:transparent;border:none;color:var(--text-muted);font-size:1.25rem;cursor:pointer;padding:.25rem .5rem;border-radius:4px;transition:all .2s}.btn-icon:hover{color:var(--text);background:var(--bg-hover)}.device-list{display:flex;flex-direction:column;gap:1.5rem}.device-list-header{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.device-list-header h2{font-size:1.5rem;font-weight:600;flex:1}.connection-status{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-muted);white-space:nowrap}.ws-indicator{width:8px;height:8px;border-radius:50%;background:var(--danger);animation:pulse 2s infinite}.ws-indicator.connected{background:var(--success)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.device-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;transition:all .2s}.device-card:hover{border-color:var(--primary-light);box-shadow:0 4px 12px #6366f133}.device-card.device-on{border-color:var(--success);box-shadow:0 4px 12px #10b98133}.device-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.device-header h3{font-size:1.125rem;font-weight:600;color:var(--text);flex:1}.status-indicator{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:500}.status-dot{width:10px;height:10px;border-radius:50%;background:var(--text-muted)}.status-indicator.on .status-dot{background:var(--success);box-shadow:0 0 8px var(--success)}.status-indicator.off .status-dot{background:var(--text-muted)}.device-type{color:var(--text-muted);font-size:.875rem;margin-bottom:1rem}.device-gateway{color:var(--text-muted);font-size:.675rem;margin-top:0;margin-bottom:0;display:flex;align-items:center;gap:.5rem}.gateway-label{font-weight:500;color:var(--primary-light)}.gateways-section,.devices-section{margin-bottom:2rem}.gateways-section h3,.devices-section h3{font-size:1.25rem;font-weight:600;margin-bottom:0;color:var(--text)}.gateway-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-bottom:2rem}.gateway-card{background:var(--bg-card);border:1px solid var(--primary);border-radius:12px;padding:1.5rem;transition:all .2s}.gateway-card:hover{border-color:var(--primary-light);box-shadow:0 4px 12px #6366f14d}.gateway-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.gateway-header h4{font-size:1.125rem;font-weight:600;color:var(--text);flex:1}.gateway-badge{background:var(--primary);color:#fff;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase}.gateway-type{color:var(--text-muted);font-size:.875rem;margin-bottom:1rem}.gateway-devices{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.gateway-devices-title{font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.5rem}.gateway-devices-list{list-style:none;padding:0;margin:0}.gateway-devices-list li{padding:.5rem .75rem;background:var(--bg);border-radius:6px;margin-bottom:.5rem;font-size:.875rem;color:var(--text);border:1px solid var(--border)}.gateway-devices-list li:last-child{margin-bottom:0}.gateway-devices-empty{color:var(--text-muted);font-size:.875rem;font-style:italic;margin-top:.5rem}.device-actions{margin-top:1rem}.property-buttons{display:flex;flex-direction:row;gap:.5rem;justify-content:center}.property-btn{width:100%;max-width:33.33%;padding:2rem .75rem;height:120px;border:none;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;justify-content:center;align-items:center;flex-direction:column;position:relative}.property-btn.on{background:var(--success);color:#fff}.property-btn.on:hover:not(:disabled){background:#059669}.property-btn.off{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.property-btn.off:hover:not(:disabled){background:var(--border)}.property-btn:disabled{opacity:.6;cursor:not-allowed}.property-label{flex:1;font-size:.525rem;font-weight:500;color:var(--text);text-align:center;position:absolute;bottom:10px}.property-status{font-weight:600}.no-properties{color:var(--text-muted);font-size:.875rem;text-align:center;padding:1rem 0}.toggle-btn{width:100%;padding:.75rem;border:none;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.toggle-btn.on{background:var(--success);color:#fff}.toggle-btn.on:hover:not(:disabled){background:#059669}.toggle-btn.off{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.toggle-btn.off:hover:not(:disabled){background:var(--border)}.toggle-btn:disabled{opacity:.6;cursor:not-allowed}.loading-container,.error-container,.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;gap:1rem;color:var(--text-muted)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.app-main{padding:1rem}.device-grid{grid-template-columns:1fr}.login-card{padding:2rem}}