:root {
  --bg: #0b0d12;
  --panel: #12151d;
  --panel-2: #181c26;
  --line: #232837;
  --text: #e8ebf2;
  --muted: #8b93a7;
  --faint: #5b6378;
  --accent: #7c8cff;
  --accent-2: #4fd1c5;
  --good: #34d399;
  --good-bg: rgba(52, 211, 153, .12);
  --bad: #f87171;
  --bad-bg: rgba(248, 113, 113, .12);
  --warn: #fbbf24;
  --warn-bg: rgba(251, 191, 36, .12);
  --info-bg: rgba(124, 140, 255, .12);
  --shadow: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 8px 24px rgba(0, 0, 0, .25);
  --radius: 14px;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f7f8fc;
  --line: #e4e7ef;
  --text: #121624;
  --muted: #5d667c;
  --faint: #98a0b3;
  --accent: #4f5bd5;
  --accent-2: #0f9f94;
  --good: #059669;
  --good-bg: rgba(5, 150, 105, .1);
  --bad: #dc2626;
  --bad-bg: rgba(220, 38, 38, .08);
  --warn: #b7791f;
  --warn-bg: rgba(217, 119, 6, .1);
  --info-bg: rgba(79, 91, 213, .08);
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 6px 18px rgba(16, 24, 40, .06);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font: inherit; }
.muted { color: var(--muted); }
.mono { font-variant-numeric: tabular-nums; }

/* ---------- layout ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 28px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 7px;
  background: conic-gradient(from 210deg, var(--accent), var(--accent-2), var(--accent));
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 45%, transparent);
}
.topbar .spacer { flex: 1; }
.updated { color: var(--muted); font-size: 13px; }
main.wrap { max-width: 1440px; margin: 0 auto; padding: 24px 28px 64px; }
.charts { margin: 0; }
.section-title { display: flex; align-items: baseline; gap: 12px; margin: 32px 0 12px; }
.section-title h2 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.section-title .muted { font-size: 13px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  cursor: pointer; transition: border-color .15s, background .15s, transform .05s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: progress; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 8px; }
.btn-ghost { background: transparent; }
.icon-btn { width: 36px; height: 36px; justify-content: center; padding: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- navigation & views ---------- */
.nav { display: flex; gap: 2px; margin-left: 24px; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.nav a { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 9px; color: var(--muted);
  text-decoration: none; font-weight: 500; transition: background .15s, color .15s; }
.nav a:hover { color: var(--text); }
.nav a.on { background: var(--panel-2); color: var(--text); box-shadow: 0 0 0 1px var(--line) inset; }
.nav-count { min-width: 18px; padding: 0 6px; border-radius: 999px; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center;
  background: var(--panel-2); color: var(--muted); }
.nav-count:empty { display: none; }
.nav-count.bad { background: var(--bad-bg); color: var(--bad); }
.nav-count.warn { background: var(--warn-bg); color: var(--warn); }
.view { display: grid; gap: 16px; animation: fade .18s ease; }
.view > *, .overview-grid > *, .charts > *, .sec-grid > *, .sec-grid > div > * { min-width: 0; }
.view[hidden] { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }
.view-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.view-head h2 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.small { font-size: 12.5px; }
a.small { text-decoration: none; }
a.small:hover { color: var(--text); }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-head h3 { margin: 0; }
.overview-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }

.attn-row { display: flex; align-items: center; gap: 12px; padding: 10px 2px; border-top: 1px solid var(--line); cursor: pointer; }
.attn-row:first-child { border-top: 0; }
.attn-row:hover strong { color: var(--accent); }
.attn-row img { width: 20px; height: 20px; border-radius: 5px; flex: none; }
.attn-row .what { flex: 1; min-width: 0; }
.attn-row .what strong { display: block; font-weight: 600; transition: color .12s; }
.attn-row .what span { color: var(--muted); font-size: 12.5px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.all-good { display: flex; align-items: center; gap: 10px; color: var(--good); padding: 8px 0; }

.overview-grid > .panel { display: flex; flex-direction: column; }
#server-strip { flex: 1; display: flex; flex-direction: column; }
.strip-row { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 12px 0; border-top: 1px solid var(--line); }
.strip-row .strip-top { margin-bottom: 0; }
.spark { position: relative; height: 52px; }
.strip-foot { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.legend { display: inline-flex; gap: 10px; color: var(--muted); font-size: 11.5px; }
.legend i { display: inline-block; width: 10px; height: 2px; border-radius: 2px; vertical-align: middle; margin-right: 4px; }
.strip-row:first-child { border-top: 0; padding-top: 2px; }
.strip-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.strip-top strong { font-weight: 600; }
.bars3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.minibar small { display: flex; justify-content: space-between; color: var(--muted); font-size: 11.5px; margin-bottom: 4px; }
.minibar div { height: 6px; border-radius: 99px; background: var(--panel-2); overflow: hidden; }
.minibar div i { display: block; height: 100%; border-radius: 99px; background: var(--good); }
.minibar div i.warn { background: var(--warn); }
.minibar div i.bad { background: var(--bad); }

/* ---------- KPIs ---------- */
.kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.kpi { padding: 16px 18px; position: relative; overflow: hidden; }
.kpi .label { color: var(--muted); font-size: 12.5px; font-weight: 500; }
.kpi .value { font-size: 28px; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; }
.kpi .sub { color: var(--faint); font-size: 12px; margin-top: 2px; }
.kpi.good .value { color: var(--good); }
.kpi.bad .value { color: var(--bad); }
.kpi.warn .value { color: var(--warn); }
.kpi::after {
  content: ""; position: absolute; inset: auto -30% -60% auto; width: 140px; height: 140px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  pointer-events: none;
}

/* ---------- charts ---------- */
.charts { display: grid; grid-template-columns: 1.6fr 1fr; gap: 14px; }
.chart-card { padding: 16px 18px 12px; }
.chart-card header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.chart-card h3 { margin: 0; font-size: 14px; font-weight: 600; }
.chart-box { position: relative; height: 240px; }
.chart-box.sm { height: 120px; }
.server .chart-box.sm { height: 150px; }

/* ---------- servers ---------- */
.servers { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 14px; }
.server { padding: 18px; }
.server-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.server-head h3 { margin: 0; font-size: 16px; }
.server-meta { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.meters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 16px 0 12px; }
.meter { text-align: center; }
.ring { --p: 0; --c: var(--good); width: 68px; height: 68px; margin: 0 auto 6px; border-radius: 50%;
  background: conic-gradient(var(--c) calc(var(--p) * 1%), var(--panel-2) 0);
  display: grid; place-items: center; }
.ring::before { content: attr(data-label); width: 54px; height: 54px; border-radius: 50%; background: var(--panel);
  display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.meter small { color: var(--muted); font-size: 12px; }
.facts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

/* ---------- pills ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line);
  white-space: nowrap;
}
.pill.good { background: var(--good-bg); color: var(--good); border-color: transparent; }
.pill.bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.pill.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.pill.info { background: var(--info-bg); color: var(--accent); border-color: transparent; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); flex: none; }
.dot.up { background: var(--good); box-shadow: 0 0 0 4px var(--good-bg); animation: pulse 2.4s infinite; }
.dot.down { background: var(--bad); box-shadow: 0 0 0 4px var(--bad-bg); }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px transparent; } }

/* ---------- sites table ---------- */
.toolbar { display: flex; gap: 10px; align-items: center; margin-left: auto; }
.search {
  padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel);
  color: var(--text); min-width: 220px;
}
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: var(--panel); color: var(--muted); padding: 7px 12px; cursor: pointer; }
.seg button.on { background: var(--panel-2); color: var(--text); font-weight: 600; }
.table-wrap { overflow-x: auto; }
table.sites { width: 100%; border-collapse: collapse; }
table.sites th {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--muted);
  padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.sites td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.sites tr:last-child td { border-bottom: 0; }
table.sites tbody tr { cursor: pointer; transition: background .12s; }
table.sites tbody tr:hover { background: var(--panel-2); }
.site-name { display: flex; align-items: center; gap: 10px; }
.site-name img { width: 20px; height: 20px; border-radius: 5px; background: var(--panel-2); }
.site-name strong { display: block; font-weight: 600; }
.site-name span { color: var(--muted); font-size: 12px; }
.bars { display: flex; gap: 2px; align-items: flex-end; height: 22px; }
.bars i { width: 4px; height: 100%; border-radius: 2px; background: var(--good); opacity: .9; }
.bars i.partial { background: var(--warn); }
.bars i.bad { background: var(--bad); }
.bars i.none { background: var(--line); }
.attention td:first-child { box-shadow: inset 3px 0 0 var(--bad); }

/* ---------- drawer ---------- */
.drawer-backdrop { position: fixed; inset: 0; background: rgba(5, 7, 12, .55); backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 40; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(860px, 100vw); z-index: 50;
  background: var(--bg); border-left: 1px solid var(--line); transform: translateX(100%);
  transition: transform .25s cubic-bezier(.2, .8, .2, 1); overflow-y: auto; }
.drawer.open { transform: none; }
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.drawer-head { position: sticky; top: 0; z-index: 3; height: 73px; display: flex; align-items: center; gap: 12px;
  padding: 18px 24px; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.drawer-head h2 { margin: 0; font-size: 18px; }
.drawer-body { padding: 18px 24px 48px; display: grid; gap: 16px; }
.dtabs { display: flex; gap: 4px; padding: 0 24px; border-bottom: 1px solid var(--line); position: sticky; top: 73px; z-index: 2;
  background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); }
.dtabs button { border: 0; background: none; color: var(--muted); padding: 12px 12px 11px; cursor: pointer; font-weight: 500;
  border-bottom: 2px solid transparent; display: inline-flex; gap: 6px; align-items: center; }
.dtabs button:hover { color: var(--text); }
.dtabs button.on { color: var(--text); border-bottom-color: var(--accent); }
.pane[hidden] { display: none; }
.pane { display: grid; gap: 16px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.stat { padding: 12px 14px; }
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 18px; font-weight: 700; margin-top: 2px; }
.panel { padding: 16px 18px; }
.panel h3 { margin: 0 0 10px; font-size: 14px; }
table.plain { width: 100%; border-collapse: collapse; font-size: 13px; }
table.plain th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.plain td { padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.plain tr:last-child td { border-bottom: 0; }
.notice { padding: 10px 14px; border-radius: 10px; background: var(--warn-bg); color: var(--warn); font-size: 13px; }
.notice.bad { background: var(--bad-bg); color: var(--bad); }
.empty { color: var(--muted); padding: 14px 0; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0;
  background: var(--panel-2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 12px;
  box-shadow: var(--shadow); transition: all .2s; z-index: 60; }
.toast.show { opacity: 1; transform: translateX(-50%); }

.skeleton { color: transparent; background: linear-gradient(90deg, var(--panel-2), var(--line), var(--panel-2));
  background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- security & logs ---------- */
.sec-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 14px; }
.sec-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 14px; align-items: start; }
.sec-grid > div { display: grid; gap: 14px; }
code, .code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.code { word-break: break-all; color: var(--muted); }
details.more summary { cursor: pointer; color: var(--accent); font-size: 12.5px; margin-top: 6px; list-style: none; }
details.more summary::-webkit-details-marker { display: none; }
details.more[open] summary { margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.tabs { display: inline-flex; gap: 4px; }
.scroll-y { max-height: 360px; overflow-y: auto; }
table.plain td.num { text-align: right; font-variant-numeric: tabular-nums; }
.msg { max-width: 520px; }

/* ---------- login ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px;
  background: radial-gradient(1200px 600px at 20% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent),
              radial-gradient(900px 500px at 120% 110%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent), var(--bg); }
.login-card { width: 100%; max-width: 380px; padding: 32px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow); }
.login-card h1 { margin: 22px 0 4px; font-size: 22px; letter-spacing: -.02em; }
.login-card p { margin: 0 0 18px; font-size: 13.5px; }
.login-card form { display: grid; gap: 14px; }
.login-card label { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.login-card input { padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel-2);
  color: var(--text); font-size: 15px; }
.login-card input:focus, .search:focus { outline: 2px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 1px; }
.login-card .btn { justify-content: center; padding: 11px; margin-top: 6px; }
.alert { padding: 10px 12px; border-radius: 10px; background: var(--bad-bg); color: var(--bad); font-size: 13px; margin-bottom: 14px; }

@media (max-width: 1200px) { .kpis { grid-template-columns: repeat(3, 1fr); } .charts, .sec-grid, .overview-grid { grid-template-columns: 1fr; } }
@media (max-width: 1000px) {
  .topbar { flex-wrap: wrap; }
  .nav { order: 10; margin: 0; width: 100%; overflow-x: auto; }
  #refresh span { display: none; }
}
@media (max-width: 720px) {
  .topbar, main.wrap { padding-left: 16px; padding-right: 16px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .kpi { padding: 14px; }
  .kpi .value { font-size: 24px; }
  .topbar { gap: 8px; padding-top: 10px; padding-bottom: 10px; }
  .drawer-head { height: auto; flex-wrap: wrap; padding: 14px 16px; }
  .drawer-head h2 { font-size: 16px; }
  .dtabs { top: 0; padding: 0 12px; overflow-x: auto; }
  .drawer-body { padding: 14px 16px 40px; }
  .bars3 { gap: 8px; }
  .servers { grid-template-columns: 1fr; }
  .meters, .stat-grid, .sec-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toolbar { flex-wrap: wrap; margin-left: 0; }
  .search { min-width: 0; flex: 1; }
  .updated { display: none; }
}