: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;display:flex;place-items:center;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}}body{background-color:#121212;color:#e0e0e0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;padding:2rem;margin:0;display:flex;justify-content:center;align-items:flex-start;min-height:100vh}.container{text-align:center;width:100%;max-width:1200px;margin:0 auto}.container-cartoes{display:flex;justify-content:center;gap:2rem;margin-bottom:2rem;flex-wrap:wrap}.cartao,.cartao-grafico,.cartao-config{background-color:#1e1e1e;padding:1.5rem;border-radius:12px;box-shadow:0 4px 20px #0006;border:1px solid #333;margin-bottom:2rem}.valor-dado{font-size:2.5rem;font-weight:700;color:#4dd0e1;margin-top:0}.valor-dado span{font-size:1.2rem;color:#757575}.navegacao-abas{margin-bottom:2rem;display:flex;justify-content:center;gap:.5rem}.botao-aba{background-color:#333;color:#e0e0e0;border:2px solid #555;padding:.8rem 1.5rem;border-radius:8px;cursor:pointer;font-weight:700;font-size:1rem;transition:all .2s ease}.botao-aba:hover{background-color:#444;border-color:#777}.botao-aba.ativo{background-color:#4dd0e1;color:#121212;border-color:#4dd0e1}.cartao-medidor{background-color:#1e1e1e;padding:1.5rem;border-radius:12px;box-shadow:0 4px 20px #0006;border:1px solid #333;margin-bottom:2rem;position:relative;width:300px;height:250px;display:flex;flex-direction:column;justify-content:space-between}.texto-medidor{position:absolute;top:60%;left:50%;transform:translate(-50%,-50%);text-align:center}.valor-medidor{font-size:2.5rem;font-weight:700;color:#4dd0e1;display:block}.unidade-medidor{font-size:1.2rem;color:#757575;display:block}.status-container{position:absolute;top:1.5rem;right:2rem;display:flex;align-items:center;gap:.5rem;background-color:#1e1e1e;padding:.5rem 1rem;border-radius:20px;border:1px solid #333;font-size:.9rem;z-index:10}.status-luz{width:12px;height:12px;border-radius:50%;transition:background-color .3s ease}.status-luz.online{background-color:#4caf50;box-shadow:0 0 8px #4caf50}.status-luz.offline{background-color:#f44336;box-shadow:0 0 8px #f44336}.status-texto{font-weight:700}.cartao-config{text-align:left;max-width:600px;margin:2rem auto}.form-config{display:flex;flex-direction:column;gap:1.5rem}.form-grupo{display:flex;flex-direction:column;gap:.5rem}.form-grupo label{font-weight:700;color:#aaa}.form-grupo input{background-color:#333;color:#e0e0e0;border:1px solid #555;border-radius:6px;padding:.8rem;font-size:1rem}.botao-salvar{background-color:#82ca9d;color:#121212;border:none;padding:.8rem 1.5rem;border-radius:8px;cursor:pointer;font-weight:700;font-size:1rem;transition:background-color .2s ease;align-self:flex-start}.botao-salvar:hover{background-color:#a5d6a7}.mensagem-status{margin-top:1rem;color:#4dd0e1;font-weight:700}