:root{color-scheme:light;--bg:#f4f6fa;--ink:#142238;--muted:#627086;--line:#e0e6ef;--blue:#2458da}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,'Malgun Gothic',sans-serif}header{display:flex;justify-content:space-between;align-items:center;padding:22px 5%;background:white;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-weight:750;font-size:20px}.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted)}.mark{display:grid;place-items:center;background:var(--blue);color:white;border-radius:12px;width:43px;height:43px}.tag,.badge{padding:4px 10px;background:#edf2ff;border-radius:20px;font-size:12px}.tag{color:var(--blue)}main{max-width:1220px;margin:auto;padding:32px 24px}.intro{margin-bottom:22px}.eyebrow{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:2px}h1{font-size:32px;line-height:1.3;margin:10px 0}h2{font-size:18px;margin:0 0 16px}p{margin:8px 0}.intro>p:last-child,.muted{color:var(--muted)}.muted{font-size:13px}.notice{background:#fff6dc;border:1px solid #efdc9e;padding:14px 18px;border-radius:12px;color:#785719}nav{display:flex;gap:8px;margin:24px 0 12px}button{border:1px solid #d5deeb;border-radius:8px;background:white;color:var(--ink);padding:10px 15px;font:inherit;font-size:14px;cursor:pointer}button:hover{background:#f0f4ff}button.primary{background:var(--blue);color:white;border-color:var(--blue)}button.danger{color:#a52c36}button:disabled{opacity:.5;cursor:wait}input,select{font:inherit;width:100%;padding:10px 12px;border:1px solid #cbd5e3;border-radius:7px;background:white;color:var(--ink)}input:focus,select:focus,button:focus-visible{outline:3px solid #a7c1ff;outline-offset:2px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:14px}label input{margin-top:5px}.panel{background:white;border:1px solid var(--line);padding:23px;border-radius:12px;margin:16px 0}.login{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.login label{flex:1;min-width:190px;margin:0}.login button{margin-bottom:1px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0}.metrics div{background:white;border:1px solid var(--line);padding:20px;border-radius:12px}.metrics span{display:block;color:var(--muted);font-size:13px}.metrics strong{font-size:32px;line-height:1.6}.section-title{display:flex;align-items:center;justify-content:space-between}.section-title h2{margin:0}.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;margin-top:16px;font-size:13px}th{font-weight:600;color:var(--muted);background:#f7f9fc}th,td{padding:13px 10px;border-bottom:1px solid var(--line);white-space:nowrap}.columns{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.columns .panel{margin:0}.columns button{width:100%}#message{min-height:30px;padding:10px 0;color:#264b85}#message.error{color:#a52c36}.ok{color:#167849}.off{color:#866124}summary{cursor:pointer;font-weight:600}pre{white-space:pre-wrap;font-size:12px}footer{padding:24px 0;color:var(--muted);font-size:12px}[hidden]{display:none!important}#pcChoice{max-width:480px;margin:10px 10px 10px 0}#deviceList{max-width:400px;margin-right:12px}@media(max-width:850px){.columns{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}h1{font-size:25px}main{padding:22px 16px}.panel{padding:18px}}