:root {
  --bg: #0b0f16;
  --bg2: #0e1420;
  --panel: #151c28;
  --panel-hi: #1b2433;
  --border: #263141;
  --border-soft: #1e2735;
  --text: #eef3f9;
  --muted: #93a1b3;
  --accent: #4f8cff;
  --accent2: #7b5cff;
  --ok: #35c47a;
  --ok-bg: rgba(53,196,122,.12);
  --warn: #e0a52a;
  --warn-bg: rgba(224,165,42,.12);
  --bad: #ff5a5f;
  --bad-bg: rgba(255,90,95,.12);
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(79,140,255,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(123,92,255,.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 12px; }
.error { color: var(--bad); font-size: 13px; margin-top: 8px; min-height: 16px; }

button {
  background: linear-gradient(180deg, var(--accent), #3d76e6);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: transform .06s ease, filter .15s ease, background .15s ease;
}
button:hover { filter: brightness(1.08); }
button:active { transform: translateY(1px); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
button.ghost:hover { color: var(--text); border-color: var(--accent); }
button.sm { padding: 5px 10px; font-size: 12px; border-radius: 8px; }
button.danger { background: linear-gradient(180deg, var(--bad), #e6484d); }
button.neutral { background: var(--panel-hi); color: var(--text); border: 1px solid var(--border); }
button.icon { padding: 6px 9px; line-height: 1; }
input, select {
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 11px;
  font-size: 13px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,140,255,.18); }

/* ── Login ── */
.login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-card {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 34px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 0; font-size: 22px; letter-spacing: .2px; }

/* ── Topbar ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 13px 22px;
  background: rgba(13,18,28,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-size: 15px; letter-spacing: .2px; display: flex; align-items: center; gap: 8px; }
.overall {
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid transparent;
  display: inline-flex; align-items: center; gap: 7px;
}
.overall::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.overall.ok { color: var(--ok); background: var(--ok-bg); border-color: rgba(53,196,122,.35); }
.overall.warn { color: var(--warn); background: var(--warn-bg); border-color: rgba(224,165,42,.35); }
.overall.bad { color: var(--bad); background: var(--bad-bg); border-color: rgba(255,90,95,.35); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 2px;
  padding: 6px 16px 0;
  background: rgba(13,18,28,.6);
  border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
  position: sticky; top: 53px; z-index: 9;
  backdrop-filter: blur(10px);
}
.tab {
  background: transparent;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 10px 15px;
  font-weight: 500;
}
.tab:hover { color: var(--text); filter: none; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.badge { background: var(--bad); color: #fff; border-radius: 999px; padding: 1px 7px; font-size: 11px; margin-left: 4px; }

main { padding: 22px; max-width: 1180px; margin: 0 auto; }
.tab-panel { display: none; animation: fade .2s ease; }
.tab-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.section-head { display: flex; align-items: center; gap: 10px; margin: 26px 0 12px; }
.section-head h3 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-weight: 600; }
.section-head::after { content: ""; flex: 1; height: 1px; background: var(--border-soft); }
h3 { font-size: 15px; }

/* ── KPI summary ── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.kpi {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 15px 16px;
  display: flex; flex-direction: column; gap: 6px;
  position: relative; overflow: hidden;
}
.kpi .kpi-top { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; }
.kpi .kpi-ic { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 15px; background: var(--panel-hi); }
.kpi .kpi-val { font-size: 21px; font-weight: 700; letter-spacing: .3px; }
.kpi .kpi-sub { font-size: 12px; color: var(--muted); }
.kpi.ok   .kpi-ic { background: var(--ok-bg);  color: var(--ok); }
.kpi.warn .kpi-ic { background: var(--warn-bg); color: var(--warn); }
.kpi.bad  .kpi-ic { background: var(--bad-bg);  color: var(--bad); }
.kpi.ok::after, .kpi.warn::after, .kpi.bad::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
}
.kpi.ok::after { background: var(--ok); }
.kpi.warn::after { background: var(--warn); }
.kpi.bad::after { background: var(--bad); }

/* ── Metric cards (gauges) ── */
.metric-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.metric {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px;
}
.metric .m-head { display: flex; justify-content: space-between; align-items: baseline; }
.metric .m-label { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 7px; }
.metric .m-value { font-size: 20px; font-weight: 700; }
.metric .m-value small { font-size: 12px; font-weight: 500; color: var(--muted); }
.metric .m-sub { color: var(--muted); font-size: 12px; margin-top: 8px; }
.gauge { height: 8px; background: var(--bg2); border-radius: 6px; margin-top: 12px; overflow: hidden; }
.gauge > span { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .4s ease; }
.gauge.warn > span { background: linear-gradient(90deg, #d9a52a, #e0b64a); }
.gauge.bad > span { background: linear-gradient(90deg, #ff5a5f, #ff7a6d); }

/* ── Problems ── */
.problems { margin: 16px 0 4px; display: flex; flex-direction: column; gap: 8px; }
.problem-item {
  background: var(--bad-bg);
  border: 1px solid rgba(255,90,95,.3);
  border-left: 3px solid var(--bad);
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 13px;
}
.problem-item.warn { background: var(--warn-bg); border-color: rgba(224,165,42,.3); border-left-color: var(--warn); }
.all-ok {
  color: var(--ok); padding: 14px 16px; background: var(--ok-bg);
  border: 1px solid rgba(53,196,122,.3); border-radius: 12px; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}

/* ── Service list ── */
.svc-list { display: flex; flex-direction: column; gap: 9px; }
.list-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.list-toolbar .count-pills { display: flex; gap: 8px; margin-left: auto; }
.count-pill { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--panel-hi); border: 1px solid var(--border-soft); }
.count-pill.ok { color: var(--ok); } .count-pill.bad { color: var(--bad); } .count-pill.off { color: var(--muted); }

.svc {
  display: flex; align-items: center; gap: 13px;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 13px 15px;
  transition: border-color .15s ease, background .15s ease;
}
.svc:hover { border-color: var(--border); background: var(--panel-hi); }
.svc .info { flex: 1; min-width: 0; }
.svc .name { font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.svc .sub { color: var(--muted); font-size: 12px; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svc .actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

.pill { font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 999px; display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.ok  { color: var(--ok);  background: var(--ok-bg); }
.pill.bad { color: var(--bad); background: var(--bad-bg); }
.pill.off { color: var(--muted); background: var(--panel-hi); }
.crit-tag { font-size: 10px; color: var(--bad); border: 1px solid rgba(255,90,95,.4); border-radius: 5px; padding: 1px 6px; font-weight: 600; letter-spacing: .3px; }

/* ── Toggle ── */
.switch { position: relative; width: 42px; height: 23px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; inset: 0; background: var(--bg2); border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: .2s; }
.slider::before { content: ""; position: absolute; width: 17px; height: 17px; left: 2px; top: 2px; background: var(--muted); border-radius: 50%; transition: .2s; }
.switch input:checked + .slider { background: linear-gradient(180deg, var(--accent), #3d76e6); border-color: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(19px); background: #fff; }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-bottom: 14px; }
.card-box { background: var(--panel); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
label.check-row { flex-direction: row; align-items: center; gap: 9px; color: var(--text); font-size: 13px; }

/* ── Logs ── */
.logbox {
  background: #070b11;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  max-height: 62vh;
  overflow: auto;
  margin-top: 12px;
}

/* ── Modal ── */
.modal { position: fixed; inset: 0; background: rgba(3,6,11,.7); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; z-index: 40; padding: 20px; }
.modal-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; width: min(820px, 100%); max-height: 86vh; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border-soft); }
.modal-card .logbox { margin: 0; border: none; border-radius: 0 0 16px 16px; max-height: none; }

/* ── Toast ── */
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--panel-hi); border: 1px solid var(--border); padding: 11px 18px; border-radius: 11px; z-index: 50; box-shadow: var(--shadow); font-size: 13px; }
.toast.ok { border-color: rgba(53,196,122,.5); }
.toast.bad { border-color: rgba(255,90,95,.5); }

.spin { display: inline-block; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }