:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:100%;margin:0;padding:0}.App{min-height:100vh;background:linear-gradient(to bottom,#f8f9fa,#e9ecef)}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;text-align:center;box-shadow:0 4px 6px #0000001a}header h1{margin:0 0 .5rem;font-size:2.5rem}header p{margin:0;opacity:.9}.dashboard{padding:2rem;max-width:100%;margin:0 auto}.current-data{margin-bottom:3rem}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:1rem}.card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000001a;transition:transform .2s}.card:hover{transform:translateY(-5px)}.card.temperature{background:linear-gradient(135deg,#f093fb,#f5576c)}.card.pressure{background:linear-gradient(135deg,#4facfe,#00f2fe)}.card.power{background:linear-gradient(135deg,#43e97b,#38f9d7)}.card h3{margin:0 0 1rem;font-size:1.2rem;opacity:.9}.card .value{font-size:2.5rem;font-weight:700;margin:0}.history{margin-top:2rem}.history-table{overflow-x:auto;margin-top:1rem}table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000001a}thead{background:#667eea;color:#fff}th,td{padding:1rem;text-align:left}tbody tr:nth-child(2n){background:#f8f9fa}tbody tr:hover{background:#e9ecef}.loading,.error{text-align:center;padding:3rem;font-size:1.2rem}.error{color:#dc3545}