:root{--bg:#0f1419;--card:#1a212b;--line:#2a3441;--fg:#e6edf3;--mut:#8b98a5;--acc:#3b82f6;--ok:#22c55e;--err:#ef4444;--off:#6b7280;}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.nav{display:flex;gap:18px;align-items:center;padding:12px 20px;background:#131a22;border-bottom:1px solid var(--line)}
.nav .brand{font-weight:700;margin-right:10px}
.nav a{color:var(--fg)}.nav .right{margin-left:auto;color:var(--mut)}
.wrap{max-width:1100px;margin:0 auto;padding:22px}
.wrap.narrow{max-width:520px}
h1{font-size:22px;margin:6px 0 18px}h2{font-size:17px;margin:24px 0 10px}h3{font-size:15px;margin:0 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:0 0 16px}
.muted,.muted *{color:var(--mut)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}.small{font-size:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}
.stats{display:flex;gap:14px;margin-bottom:10px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 22px;text-align:center}
.stat b{display:block;font-size:26px}.stat span{color:var(--mut);font-size:13px}
.form{display:flex;flex-direction:column;gap:10px}
.form.inline{flex-flow:row wrap;align-items:flex-end}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--mut)}
input,select{background:#0f1620;border:1px solid var(--line);color:var(--fg);border-radius:8px;padding:8px 10px;font-size:14px;min-width:160px}
fieldset{border:1px solid var(--line);border-radius:8px;padding:8px 12px}
legend{color:var(--mut);font-size:12px}
.chk{flex-direction:row;align-items:center;gap:6px;color:var(--fg)}
.chk input{min-width:auto}
button{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer}
button:hover{filter:brightness(1.1)}
button.link{background:none;color:var(--acc);padding:2px 6px}
button.link.danger{color:var(--err)}
form{display:inline}
.actions{display:inline-flex;gap:6px}
.tbl{width:100%;border-collapse:collapse;margin-top:8px}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top;font-size:13px}
.tbl th{color:var(--mut);font-weight:600}
.badge{display:inline-block;font-size:11px;padding:1px 7px;border-radius:20px;margin:1px}
.badge.on,.badge.ok{background:rgba(34,197,94,.15);color:var(--ok)}
.badge.off{background:rgba(107,114,128,.2);color:var(--off)}
.badge.err{background:rgba(239,68,68,.15);color:var(--err)}
.err{background:rgba(239,68,68,.12);color:var(--err);padding:8px 12px;border-radius:8px;margin-bottom:10px}
.login{max-width:340px;margin:8vh auto}
.nodes{margin:6px 0 0;padding-left:18px}
.sub{text-align:center}
.qr{width:220px;height:220px;background:#fff;border-radius:8px;padding:8px}
.suburl{word-break:break-all;font-size:12px;margin:10px 0;color:var(--mut)}
.sub-actions{display:flex;flex-direction:column;gap:8px;align-items:stretch}
.sub-actions .btn{width:100%;text-align:center}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:9px 16px;border-radius:8px}
code{background:#0f1620;padding:1px 6px;border-radius:5px;font-size:13px}
/* доступ к панелям нод (логин/пароль) */
.creds{display:flex;flex-direction:column;gap:3px;font-size:12px}
.kv{display:inline-flex;align-items:center;gap:6px}
.ips{display:flex;flex-direction:column;gap:2px;font-size:12px;margin:3px 0}
.kv .sec{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--fg)}
.sec-btn{cursor:pointer;user-select:none;font-size:13px;padding:0 2px}
.creds-edit summary{cursor:pointer;color:var(--acc);font-size:12px;list-style:none}
.creds-edit summary::-webkit-details-marker{display:none}
.form-inline{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.form-inline input{min-width:120px;font-size:13px;padding:5px 8px}
.form-inline button{padding:5px 12px;font-size:13px}
.form-inline textarea{flex:1 1 100%;min-width:200px;font-size:13px;padding:6px 8px;font-family:inherit;resize:vertical}
/* раскрывающаяся заметка локации/ноды */
.notes-box{margin-top:6px}
.notes-box summary{cursor:pointer;color:var(--acc);font-size:12px;list-style:none}
.notes-box summary::-webkit-details-marker{display:none}
.notes-box .form-inline{max-width:460px}
/* метрики ноды (server_status) */
.nstats{margin:6px 0 2px;max-width:460px}
.metric{display:flex;align-items:center;gap:8px;font-size:12px;margin:2px 0}
.m-label{width:34px;color:var(--mut);flex:none}
.m-bar{flex:1;height:8px;background:#0f1620;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.m-bar i{display:block;height:100%;background:var(--ok);border-radius:6px}
.m-bar i.warm{background:#eab308}.m-bar i.hot{background:var(--err)}
.m-val{min-width:120px;text-align:right;color:var(--fg);font-family:ui-monospace,Menlo,Consolas,monospace;flex:none}
.metric-line{font-size:12px;color:var(--mut);margin-top:3px}
.metric-line b{color:var(--fg)}
.mgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(76px,1fr));gap:6px;margin-top:6px}
.mgrid .cell{display:flex;flex-direction:column;align-items:center;background:#0f1620;border:1px solid var(--line);border-radius:8px;padding:5px 4px}
.mgrid .cell b{font-size:14px;color:var(--fg);line-height:1.2}
.mgrid .cell i{font-size:10px;color:var(--mut);font-style:normal;margin-top:2px;text-align:center}

/* бейдж живости ноды (1..10) */
code.health{font-weight:600}
code.health-ok{color:#2ecc71}
code.health-mid{color:#f1c40f}
code.health-low{color:#e74c3c}