:root{
  color-scheme:light;
  --bg:#F2F4F7; --surface:#FFFFFF; --ink:#18202E; --ink-2:#465164; --ink-3:#7A8496;
  --line:#E0E4EA; --track:#EAEDF2; --accent:#2C6BB3; --accent-soft:rgba(44,107,179,.12);
  --net-in:#2C6BB3; --net-out:#C2762B;
  --ok:#2B7A52; --ok-bg:#E3F2E9; --warn:#9A6412; --warn-bg:#FAF0DC; --bad:#B63D2A; --bad-bg:#FBE8E4;
  --idle:#5B6478; --idle-bg:#ECEEF2;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root{
  color-scheme:dark;
  --bg:#0F1319; --surface:#171C24; --ink:#E6E9EF; --ink-2:#ADB4C2; --ink-3:#7C8596;
  --line:#262D38; --track:#222833; --accent:#7EB0EC; --accent-soft:rgba(126,176,236,.16);
  --net-in:#7EB0EC; --net-out:#E6A763;
  --ok:#72C79A; --ok-bg:#18301F; --warn:#E5B35F; --warn-bg:#332816; --bad:#F0826C; --bad-bg:#3A201B;
  --idle:#A2AABA; --idle-bg:#242A35;
}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:14px/1.5 var(--sans)}
[hidden]{display:none!important}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.muted{color:var(--ink-3);font-weight:400}
.num,.big,.kv b,td.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- Đăng nhập ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;display:flex;flex-direction:column;gap:8px}
.login-card h1{margin:4px 0 0;font-size:22px}
.login-card p{margin:0 0 8px}
.login-card label{font-size:13px;font-weight:600;margin-top:6px}
.login-card input{padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.login-card button{margin-top:12px;padding:11px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}
@media (prefers-color-scheme:dark){.login-card button{color:#0F1319}}
.login-card button:disabled{opacity:.6;cursor:progress}
.err{color:var(--bad);background:var(--bad-bg);padding:8px 10px;border-radius:8px;margin:6px 0 0!important;font-size:13px}

/* ---------- Khung ---------- */
.brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.01em}
.brand .muted{font-weight:400;font-size:13px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--ink-3);flex:none}
.dot.live{background:var(--ok);box-shadow:0 0 0 0 var(--ok);animation:pulse 2s infinite}
.dot.dead{background:var(--bad)}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--ok) 60%,transparent)}70%{box-shadow:0 0 0 7px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media (prefers-reduced-motion:reduce){.dot.live{animation:none}}

.top{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;align-items:center;padding:12px 20px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-right{display:flex;align-items:center;gap:14px;font-size:13px}
.who{font-weight:600}
.ghost{background:none;border:1px solid var(--line);border-radius:7px;padding:5px 10px;cursor:pointer;font-size:13px}
.ghost:hover{border-color:var(--ink-3)}

.wrap{max-width:1240px;margin:0 auto;padding:20px 20px 60px;display:flex;flex-direction:column;gap:30px}
h2{font-size:15px;margin:0 0 12px;font-weight:600;letter-spacing:.01em}
.sec-head{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.sec-head h2{margin:0}
.note{margin:-4px 0 12px;font-size:13px;max-width:90ch}

.grid{display:grid;gap:12px}
/* 6 thẻ máy chủ, 4 thẻ Rocket.Chat (thẻ tin nhắn chiếm trọn 1 hàng): chia 3 hoặc 2 cột mới không bị thẻ lẻ. */
.grid-host,.grid-rc{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-rc .wide{grid-column:1/-1}
@media (max-width:900px){.grid-host{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.grid-host,.grid-rc{grid-template-columns:minmax(0,1fr)}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--ink-2)}
.card-head .muted{text-transform:none;letter-spacing:0}
.big{font-size:30px;font-weight:500;line-height:1.1;display:flex;align-items:baseline;gap:5px}
.big small{font-size:13px;color:var(--ink-3);font-family:var(--sans)}
.big.dim{color:var(--ink-2);font-size:22px}
.big .bad{color:var(--bad)} .big .warn{color:var(--warn)}
.sub{font-size:12.5px;color:var(--ink-3)}
.spark,.bars{width:100%;display:block;margin-top:auto}
.kv{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-2);padding:3px 0;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:0}
.kv b{font-weight:500;color:var(--ink);text-align:right}

.meter{height:8px;background:var(--track);border-radius:4px;overflow:hidden;margin:4px 0}
.meter div{height:100%;background:var(--accent);border-radius:4px;transition:width .6s}
.meter div.warn{background:var(--warn)} .meter div.bad{background:var(--bad)}

.net{display:flex;gap:18px}
.net div{display:flex;flex-direction:column}
.net .k{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.net .k::before{content:"";width:10px;height:3px;border-radius:2px}
.net .k.in::before{background:var(--net-in)} .net .k.out::before{background:var(--net-out)}
.net .v{font-family:var(--mono);font-size:19px;font-variant-numeric:tabular-nums}

.loads{display:flex;flex-direction:column;gap:7px;margin:4px 0}
.load{display:grid;grid-template-columns:auto 1fr 46px;white-space:nowrap;gap:8px;align-items:center;font-size:12.5px;color:var(--ink-3)}
.load b{font-family:var(--mono);font-weight:500;color:var(--ink);text-align:right}

.presence{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--ink-2)}
.presence span{display:flex;align-items:center;gap:6px}
.presence i{width:8px;height:8px;border-radius:50%}
.msgs{display:flex;gap:26px;align-items:baseline}

.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;white-space:nowrap;text-transform:none;letter-spacing:0}
.pill.ok{color:var(--ok);background:var(--ok-bg)} .pill.warn{color:var(--warn);background:var(--warn-bg)}
.pill.bad{color:var(--bad);background:var(--bad-bg)} .pill.idle{color:var(--idle);background:var(--idle-bg)}

/* ---------- Cảnh báo ---------- */
.alerts{display:flex;flex-direction:column;gap:6px}
.alert{display:flex;gap:10px;align-items:baseline;padding:10px 14px;border-radius:10px;font-size:13.5px;border:1px solid transparent}
.alert b{font-weight:600}
.alert.bad{background:var(--bad-bg);color:var(--bad)}
.alert.warn{background:var(--warn-bg);color:var(--warn)}
.alert.ok{background:var(--ok-bg);color:var(--ok)}

/* ---------- Bảng ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:760px}
th{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th.sortable{cursor:pointer;user-select:none}
th.sortable[aria-sort]{color:var(--ink)}
th.sortable[aria-sort]::after{content:" ↓"}
th.r,td.r{text-align:right}
td{padding:8px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td .name{font-weight:600}
td .sub2{display:block;font-size:12px;color:var(--ink-3)}
td.num{white-space:nowrap}
.cpu{display:flex;align-items:center;gap:8px;min-width:150px}
.cpu .track{flex:1;height:6px;background:var(--track);border-radius:3px;overflow:hidden}
.cpu .track div{height:100%;background:var(--accent);border-radius:3px}
.cpu b{font-family:var(--mono);font-weight:500;width:4.5ch;text-align:right;font-size:13px}
tr.dim td{color:var(--ink-3)}

.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}
.seg button{border:0;background:none;padding:5px 12px;font-size:13px;cursor:pointer;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--accent-soft);color:var(--ink);font-weight:600}

.gauge{display:flex;align-items:center;gap:10px;min-width:200px}
.gauge .d{font-family:var(--mono);width:3.2ch;text-align:right;font-weight:500}
.gauge .track{flex:1;height:7px;background:var(--track);border-radius:4px;overflow:hidden}
.gauge .track div{height:100%;border-radius:4px}
.fill-bad{background:var(--bad)} .fill-warn{background:var(--warn)} .fill-ok{background:var(--ok)} .fill-idle{background:var(--idle)}
.gauge .never{font-size:12px;color:var(--ink-3)}
.when small{display:block;color:var(--ink-3);font-size:12px;font-family:var(--mono)}

@media (max-width:600px){
  .top{padding:10px 16px}
  .wrap{padding:16px 16px 48px}
  #fresh{display:none}
}

/* Màu chấm trạng thái (class thay cho style inline, vì CSP chặn style="...") */
.p-ok{background:var(--ok)} .p-warn{background:var(--warn)} .p-bad{background:var(--bad)} .p-idle{background:var(--idle)}
td.empty{text-align:center;padding:22px}

/* ---------- Khoá tài khoản ---------- */
.actionbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-bottom:10px}
.actionbar #selInfo{margin-right:auto;font-size:13px}
.danger{background:var(--bad);color:#fff;border:0;border-radius:7px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer}
@media (prefers-color-scheme:dark){.danger{color:#1A0E0B}}
.danger:disabled{opacity:.4;cursor:not-allowed}
.confirm,.result{border-radius:10px;padding:14px 16px;margin-bottom:10px;font-size:13.5px;display:flex;flex-direction:column;gap:6px}
.confirm{background:var(--bad-bg);border:1px solid color-mix(in srgb,var(--bad) 35%,transparent)}
.confirm b{color:var(--bad);font-size:14.5px}
.confirm p{margin:0;color:var(--ink-2);max-width:80ch}
.confirm ul{margin:2px 0;padding-left:18px;color:var(--ink);columns:2 220px}
.confirm-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.result{background:var(--surface);border:1px solid var(--line)}
.result .row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.result .ok{color:var(--ok);font-weight:600}
.result .fail{color:var(--bad)}
.result ul{margin:0;padding-left:18px}
th.chk,td.chk{width:36px;padding-right:0}
td.chk input,th.chk input{width:16px;height:16px;accent-color:var(--bad);cursor:pointer}
tr.sel td{background:color-mix(in srgb,var(--bad) 7%,transparent)}
.seen-note{margin-top:-6px}
.seen-note b{color:var(--ink);font-family:var(--mono);font-weight:500}
.linkbtn{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-size:inherit;text-decoration:underline;text-underline-offset:2px}

/* ---------- Nhóm không có tôi ---------- */
.kind{display:inline-block;margin-left:6px;padding:0 7px;border-radius:999px;font-size:11px;font-weight:600;background:var(--idle-bg);color:var(--idle);vertical-align:1px}
.audit{margin-top:12px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.audit summary{cursor:pointer;font-weight:600;font-size:13.5px}
.audit ul{margin:10px 0 2px;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--ink-2)}
.audit li{display:flex;gap:10px;flex-wrap:wrap}
.audit li time{font-family:var(--mono);color:var(--ink-3);font-size:12px;min-width:11ch}

.drawer-backdrop{position:fixed;inset:0;background:rgba(10,14,20,.45);z-index:20}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(560px,100%);background:var(--bg);border-left:1px solid var(--line);z-index:21;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.drawer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--surface)}
.drawer-head b{display:block;font-size:16px}
.drawer-head .muted{font-size:12.5px}
.drawer-note{font-size:12px;color:var(--warn);background:var(--warn-bg);padding:6px 18px}
.msgs-list{list-style:none;margin:0;padding:12px 18px 24px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:10px}
.msg .meta{display:flex;gap:8px;align-items:baseline;font-size:12px;color:var(--ink-3)}
.msg .meta b{color:var(--ink);font-size:13px}
.msg .body{white-space:pre-wrap;word-break:break-word;font-size:13.5px;margin-top:2px}
.msg .file{font-size:12.5px;color:var(--accent);margin-top:2px}
.msg .quote{font-size:12.5px;color:var(--ink-3);border-left:2px solid var(--line);padding-left:8px;margin-top:3px}
.msg.sys{font-size:12.5px;color:var(--ink-3);font-style:italic}
.day{align-self:center;font-size:11.5px;color:var(--ink-3);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:1px 10px;margin:4px 0}