:root{--bg:#0f1115;--card:#171a21;--muted:#7a8290;--fg:#e6e9ee;--accent:#5b9dff;--danger:#ff5b6e;--ok:#4cd97b;--border:#232732;--input-bg:#0c0e13}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:24px}
header{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
header h1{margin:0;font-size:18px;font-weight:600}
header .spacer{flex:1}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}
.card h2{margin-top:0}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
tr:last-child td{border-bottom:none}
.btn{display:inline-block;padding:8px 14px;background:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;font-family:inherit}
.btn:hover{filter:brightness(1.1);text-decoration:none;color:#fff}
.btn.ghost{background:transparent;border:1px solid #2c3140;color:var(--fg)}
.btn.danger{background:var(--danger)}
.btn-sm{padding:5px 9px;font-size:12px}
input[type=text],input[type=password],input[type=date],textarea{width:100%;padding:9px 12px;background:var(--input-bg);border:1px solid #2c3140;border-radius:6px;color:var(--fg);font:inherit}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}
label{display:block;margin:14px 0 6px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid #2c3140;border-radius:6px;cursor:pointer;flex:1;min-width:140px}
.check input{margin:0}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:500}
.badge.ok{background:rgba(76,217,123,.15);color:var(--ok)}
.badge.off{background:rgba(255,91,110,.15);color:var(--danger)}
.muted{color:var(--muted)}
.error{background:rgba(255,91,110,.1);border:1px solid var(--danger);color:var(--danger);padding:10px 14px;border-radius:6px;margin-bottom:12px}
.qrwrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.qr{background:#fff;padding:12px;border-radius:8px;text-align:center}
.qr img{width:100%;height:auto;max-width:300px}
.qr h3{margin:0 0 10px;color:#000;font-size:14px}
pre{background:var(--input-bg);border:1px solid #2c3140;border-radius:6px;padding:12px;overflow:auto;font-size:12px;margin:8px 0;white-space:pre-wrap;word-break:break-all}
.copy{cursor:pointer}
form.inline{display:inline}
.proto-tag{display:inline-block;padding:2px 7px;margin-right:4px;border-radius:4px;font-size:11px;font-weight:600;background:#2c3140}
.proto-tag.awg{background:rgba(91,157,255,.2);color:#5b9dff}
.proto-tag.hy2{background:rgba(76,217,123,.2);color:#4cd97b}