.App{min-height:100vh;background-color:#f5f5f5}.navbar{background-color:#2c3e50;color:#fff;padding:0;box-shadow:0 2px 4px #0000001a;position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:15px 20px}.nav-title{font-size:20px;font-weight:600}.nav-title-link{text-decoration:none;color:inherit}.nav-title-link:hover .nav-title{opacity:.9}.nav-links{display:flex;gap:10px}.nav-links button,.nav-links a{background-color:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s;text-decoration:none;display:inline-block}.nav-links button:hover,.nav-links a:hover{background-color:#ffffff1a}.nav-links button.active,.nav-links a.active{background-color:#fff3;border-color:#ffffff80}main{padding-bottom:40px}*{margin:0;padding:0;box-sizing:border-box}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-color:#f5f5f5}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:20px}.header{background-color:#2c3e50;color:#fff;padding:20px;margin-bottom:20px;border-radius:8px}.header h1{font-size:24px}.card{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px #0000001a}.card h2{margin-bottom:15px;color:#2c3e50;font-size:20px}.loading{text-align:center;padding:20px;color:#666}.error{background-color:#fee;color:#c33;padding:15px;border-radius:4px;margin:10px 0}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid #ddd}.table th{background-color:#f8f9fa;font-weight:600;color:#2c3e50}.table tr:hover{background-color:#f8f9fa}.temperature-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-weight:600;font-size:14px}.temperature-badge.cold{background-color:#e3f2fd;color:#1976d2}.temperature-badge.warm{background-color:#fff3e0;color:#f57c00}.temperature-badge.hot{background-color:#ffebee;color:#d32f2f}.hardware-error-badge{display:inline-block;padding:4px 10px;border-radius:12px;font-weight:600;font-size:13px;background-color:#ffebee;color:#c62828}.hardware-ok-badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:13px;color:#666}.filter-section{display:flex;gap:15px;margin-bottom:20px;flex-wrap:wrap}.filter-section select,.filter-section input{padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.filter-section label{display:flex;flex-direction:column;gap:5px;font-size:14px;color:#666}.filter-section label span{font-weight:500}.back-button{background-color:#6c757d;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .2s}.back-button:hover{background-color:#5a6268}.btn-primary{background-color:#007bff;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .2s}.btn-primary:hover{background-color:#0056b3}.ota-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.ota-stat{border:1px solid #e1e4e8;border-radius:8px;padding:12px;background:#fafbfc}.ota-stat-label{font-size:.85rem;color:#667;margin-bottom:.4rem}.ota-stat-value{font-size:1.4rem;font-weight:700;color:#2c3e50}