:root {
  --bg: #0d1117; --surface: #161b22; --surface2: #1c2330; --grid: #21262d;
  --border: #2b3340; --text: #e6edf3; --muted: #8b949e; --faint: #6e7681;
  --accent: #4493f8; --accent2: #2f81f7;
  --ok: #3fb950; --warn: #d29922; --bad: #f85149; --inert: #db6d28;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 14px; line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12px; }

header {
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(180deg, #11161d, #0d1117);
  border-bottom: 1px solid var(--border); padding: 12px 20px;
}
.hrow { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 16px; letter-spacing: .2px; }
.brand .dot { color: var(--accent); }
.hmeta { display: flex; gap: 14px; align-items: center; margin-left: auto; flex-wrap: wrap;
  font-size: 12px; color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface2); font-size: 12px; }
.pill .led { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.led.ok { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.led.warn { background: var(--warn); }
.led.bad { background: var(--bad); box-shadow: 0 0 6px var(--bad); }

nav.tabs { display: flex; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--border);
  background: var(--bg); position: sticky; top: 53px; z-index: 9; flex-wrap: wrap; }
nav.tabs button { background: none; border: none; color: var(--muted); padding: 11px 14px;
  font-size: 13px; cursor: pointer; border-bottom: 2px solid transparent; font-family: var(--sans); }
nav.tabs button:hover { color: var(--text); }
nav.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

main { padding: 18px 20px 60px; max-width: 1120px; margin: 0 auto; }
.banner { display: none; align-items: center; gap: 12px; flex-wrap: wrap;
  background: #2a2110; border: 1px solid #5c4708; color: #f0d68a;
  border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; }
.banner.show { display: flex; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.card h3 { margin: 0 0 4px; font-size: 13px; color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .4px; }
.big { font-size: 26px; font-weight: 700; }
.sub { color: var(--muted); font-size: 12px; }
.section { margin: 22px 0 10px; font-size: 15px; font-weight: 650; color: var(--text); }
.section .cnt { color: var(--faint); font-weight: 400; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .3px; }
tr:last-child td { border-bottom: none; }
td.r, th.r { text-align: right; }

.row { display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  border: 1px solid var(--border); border-radius: 9px; background: var(--surface); margin-bottom: 8px; }
.row .lab { font-weight: 600; }
.row .note { color: var(--muted); font-size: 12px; }
.row .spacer { margin-left: auto; }
.tag { font-size: 11px; padding: 1px 7px; border-radius: 5px; border: 1px solid var(--border);
  color: var(--muted); background: var(--surface2); }
.tag.master { color: var(--accent); border-color: #1d4a82; }
.tag.inert { color: var(--inert); border-color: #6b3a16; }
.tag.miss { color: var(--bad); border-color: #6e2b27; }

/* toggle switch */
.switch { position: relative; width: 42px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; inset: 0; background: #30363d; border-radius: 999px;
  transition: .15s; cursor: pointer; border: 1px solid var(--border); }
.slider:before { content: ""; position: absolute; height: 18px; width: 18px; left: 2px; top: 2px;
  background: #c9d1d9; border-radius: 50%; transition: .15s; }
.switch input:checked + .slider { background: var(--accent2); border-color: var(--accent2); }
.switch input:checked + .slider:before { transform: translateX(18px); background: #fff; }
.switch input:disabled + .slider { opacity: .5; cursor: not-allowed; }

button.btn { background: var(--surface2); color: var(--text); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 13px; cursor: pointer; font-size: 13px; font-family: var(--sans); }
button.btn:hover { border-color: var(--accent); }
button.btn.primary { background: var(--accent2); border-color: var(--accent2); color: #fff; }
button.btn.danger:hover { border-color: var(--bad); color: var(--bad); }
button.btn:disabled { opacity: .45; cursor: not-allowed; }
button.btn:disabled:hover { border-color: var(--border); color: var(--text); }

select, input[type=number] { background: var(--surface2); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px; padding: 6px 9px; font-family: var(--sans); font-size: 13px; }

.statpill { padding: 2px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.s-ok { background: rgba(63,185,80,.15); color: var(--ok); }
.s-warn { background: rgba(210,153,34,.15); color: var(--warn); }
.s-bad { background: rgba(248,81,73,.15); color: var(--bad); }
.s-mut { background: var(--surface2); color: var(--muted); }

.muted { color: var(--muted); }
.steps { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.steps li { margin-bottom: 5px; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 16px; font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50; }
.toast.show { opacity: 1; }
.toast.err { border-color: var(--bad); color: #ffb3ae; }
.spin { color: var(--muted); padding: 30px; text-align: center; }
.kv { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid var(--grid); }
.kv:last-child { border-bottom: none; }
.bar { height: 6px; background: var(--grid); border-radius: 3px; overflow: hidden; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: var(--accent2); }
.bar > i.warn { background: var(--warn); }
.bar > i.bad { background: var(--bad); }

input[type=password], input[type=text] { background: var(--surface2); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px; padding: 9px 11px;
  font-family: var(--sans); font-size: 14px; width: 100%; }
input:focus { outline: none; border-color: var(--accent); }

/* ---- login gate --------------------------------------------------------- */
.login-wrap { position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 50% -10%, #11203a 0, var(--bg) 60%); z-index: 100; padding: 20px; }
.login-wrap.show { display: flex; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px 26px; width: 100%; max-width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.login-card h1 { font-size: 18px; margin: 0 0 4px; }
.login-card .sub { margin-bottom: 18px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; }
.login-card .err { color: #ffb3ae; font-size: 12px; min-height: 16px; }
.login-card button { width: 100%; padding: 10px; font-size: 14px; }

/* ---- metric meters / services ------------------------------------------- */
.meter { margin-bottom: 12px; }
.meter .top { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 2px; }
.meter .top b { font-weight: 700; font-size: 14px; }
.svc { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 9px; background: var(--surface); margin-bottom: 8px; }
.svc .nm { font-weight: 600; }
.svc .meta { color: var(--muted); font-size: 12px; }
.svc .spacer { margin-left: auto; }
.spark { display: flex; align-items: flex-end; gap: 2px; height: 40px; margin-top: 8px; }
.spark > i { flex: 1; background: var(--accent2); border-radius: 2px 2px 0 0; min-height: 2px; opacity: .85; }
.logout { cursor: pointer; color: var(--muted); }
.logout:hover { color: var(--text); }