:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#183329;background:#f4f7f2}*{box-sizing:border-box}body{margin:0}header{background:#174f3d;color:white;padding:28px max(24px,calc((100vw - 1000px)/2))}header h1{margin:0;font-size:2rem}header p{margin:6px 0 0;color:#d9eee4}main{max-width:1048px;margin:0 auto;padding:24px}.card{background:white;border:1px solid #dce6df;border-radius:16px;padding:24px;margin-bottom:20px;box-shadow:0 3px 18px #1c423008}.card h2{margin-top:0}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}label{display:block;font-weight:600;margin:14px 0}input,select{display:block;margin-top:6px;width:100%;padding:11px;border:1px solid #a8bdb0;border-radius:8px;font:inherit}button{border:0;border-radius:8px;background:#176e50;color:white;padding:11px 16px;font:inherit;font-weight:600;cursor:pointer}button:hover{background:#10573e}.subtle{background:#e2eee6;color:#174f3d}.actions{display:flex;gap:10px;margin-top:20px}#code{display:block;font-size:2rem;font-weight:800;letter-spacing:.14em;margin-top:14px}#message{min-height:1.5em;color:#a1362a;font-weight:600}.device{display:block;width:100%;margin:8px 0;text-align:left;background:#e6f3eb;color:#174f3d}.device.active{outline:2px solid #176e50}.hint{color:#536b60;font-size:.92rem}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid #e4ebe6}th{background:#f6faf7}.over-limit{color:#b33826;font-weight:700}#limit-form{display:flex;gap:12px;align-items:end;flex-wrap:wrap}#limit-form label{flex:1;min-width:160px}#limit-form button{margin-bottom:14px}@media(max-width:700px){.grid{grid-template-columns:1fr}.actions{flex-wrap:wrap}}