body{margin:0;background:#101a25;color:#edf6fa;font:16px/1.6 system-ui,sans-serif}main{max-width:860px;margin:auto;padding:32px 20px}h1{font-size:32px}.brand{color:#66dec1;letter-spacing:2px}section{background:#1c2a38;padding:24px;border-radius:16px;margin:20px 0}label{display:block;margin:12px 0}input,textarea,select{box-sizing:border-box;display:block;width:100%;padding:12px;background:#101a25;border:1px solid #455263;border-radius:8px;color:inherit;font:inherit;margin-top:6px}button{background:#66dec1;color:#101a25;border:0;border-radius:9px;padding:12px 20px;font:600 16px system-ui;cursor:pointer}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.check input{display:inline;width:auto;margin-right:8px}.muted{color:#a5bacb;font-size:14px}#status{color:#66dec1;white-space:pre-wrap}@media(max-width:640px){.grid{grid-template-columns:1fr}}

[hidden]{display:none!important}button{margin:4px 6px 4px 0}a{color:#66dec1}nav{display:flex;flex-wrap:wrap}table{border-collapse:collapse;width:100%;font-size:13px;overflow-wrap:anywhere}td,th{border-bottom:1px solid #455263;padding:10px;text-align:left}td button{font-size:12px;padding:6px}section section{background:#101a25;border:1px solid #455263}#card-list,#device-list{overflow-x:auto}

@media(max-width:640px){main{padding:16px}h1{font-size:26px;margin:10px 0}.brand{margin:6px 0}section{padding:16px;margin:14px 0}nav{position:sticky;top:0;background:#101a25;z-index:2;padding:8px 0}nav button{font-size:14px;padding:10px 12px}h2{font-size:21px}td{padding:8px 5px}}