:root {
  color-scheme: dark;
  --bg: #06090f;
  --surface-1: #0b1119;
  --surface-2: #101823;
  --line: #1c2735;
  --line-strong: #2a394c;
  --ink: #e6edf5;
  --ink-2: #a9b6c6;
  --ink-3: #6f7f93;
  --accent: #3987e5;          /* series blue, validated for the dark surface */
  --accent-glow: rgba(57, 135, 229, .35);
  --cyan: #5cc8ff;
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 var(--sans); -webkit-font-smoothing: antialiased; }
body { min-height: 100dvh; overflow-x: hidden; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
.muted { color: var(--ink-3); }
.mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.grid-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(57,135,229,.16), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(92,200,255,.08), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 44px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 44px 100%;
  opacity: .5;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
}

/* Brand */
.mark { width: 30px; height: 30px; color: #5d6b7d; }
.mark-lg { width: 72px; height: 72px; }
.mark-j { fill: var(--accent); filter: drop-shadow(0 0 6px var(--accent-glow)); }
.wordmark { font-family: var(--mono); letter-spacing: .32em; font-weight: 600; font-size: 15px; margin: 0; }

/* Login */
.login { position: relative; z-index: 1; min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.login-card {
  width: min(380px, 100%); display: grid; gap: 14px; justify-items: center; text-align: center;
  padding: 32px 24px; border: 1px solid var(--line-strong); border-radius: 20px;
  background: linear-gradient(180deg, rgba(16,24,35,.92), rgba(11,17,25,.92));
  box-shadow: 0 0 0 1px rgba(57,135,229,.08), 0 30px 80px rgba(0,0,0,.5);
}
.login-card .wordmark { font-size: 22px; }
.field { display: grid; gap: 6px; width: 100%; text-align: left; font-size: 13px; color: var(--ink-2); }
.field input {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--bg); color: var(--ink); font: 16px var(--sans); outline: none;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.btn-primary {
  width: 100%; padding: 12px; border: 0; border-radius: 10px; cursor: pointer; font-weight: 600;
  background: linear-gradient(180deg, #4596f0, #2f74c9); box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-primary:active { transform: translateY(1px); }
.error { color: #ff8b8b; min-height: 1.2em; margin: 0; font-size: 13px; }

/* Shell */
.app { position: relative; z-index: 1; min-height: 100dvh; }
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center;
  gap: 12px; padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px;
  background: rgba(6,9,15,.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.chip {
  font: 600 11px var(--mono); letter-spacing: .08em; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--ink-2); white-space: nowrap;
}
.top-actions { display: flex; align-items: center; gap: 8px; }
.freshness { font: 12px var(--mono); color: var(--ink-3); white-space: nowrap; }
.freshness.stale { color: var(--warning); }
.icon-btn {
  width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--line);
}
.icon-btn svg, .tab svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn.spin svg { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; display: grid; grid-template-columns: repeat(5, 1fr);
  padding: 6px 6px calc(6px + var(--safe-b)); background: rgba(8,12,19,.94); backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
.tab {
  display: grid; justify-items: center; gap: 2px; padding: 6px 2px; border: 0; background: none; cursor: pointer;
  color: var(--ink-3); font-size: 11px; border-radius: 10px;
}
.tab.active { color: var(--ink); }
.tab.active svg { stroke: var(--cyan); filter: drop-shadow(0 0 6px var(--accent-glow)); }

.content { padding: 16px 16px calc(96px + var(--safe-b)); max-width: 1180px; margin: 0 auto; }
.view { display: none; animation: fade .25s ease; }
.view.active { display: grid; gap: 16px; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }

@media (min-width: 900px) {
  .app { display: grid; grid-template-columns: 210px 1fr; grid-template-rows: auto 1fr; }
  .topbar { grid-column: 1 / -1; padding-inline: 24px; }
  .tabs {
    position: sticky; top: 57px; align-self: start; height: calc(100dvh - 57px); grid-template-columns: 1fr;
    grid-auto-rows: min-content; gap: 4px; padding: 16px 12px; border-top: 0; border-right: 1px solid var(--line);
    background: transparent;
  }
  .tab { grid-template-columns: 22px 1fr; justify-items: start; align-items: center; gap: 10px; padding: 10px 12px; font-size: 14px; }
  .tab.active { background: var(--surface-2); box-shadow: inset 2px 0 0 var(--accent); }
  .content { padding: 24px 28px 40px; margin: 0; }
}

/* Cards */
.card {
  background: linear-gradient(180deg, rgba(16,24,35,.9), rgba(11,17,25,.9));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; min-width: 0;
}
.card h2 { margin: 0 0 4px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.card .sub { margin: 0 0 12px; font-size: 13px; color: var(--ink-3); }
.cols { display: grid; gap: 16px; }
@media (min-width: 720px) { .cols-2 { grid-template-columns: 1fr 1fr; } .cols-3 { grid-template-columns: repeat(3, 1fr); } }

/* Hero status */
.hero { display: grid; gap: 16px; grid-template-columns: auto 1fr; align-items: center; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(92,200,255,.06), transparent);
  transform: translateX(-100%); animation: sweep 6s ease-in-out infinite;
}
@keyframes sweep { 60%, 100% { transform: translateX(100%); } }
.ring { width: 84px; height: 84px; }
.ring circle { fill: none; stroke-width: 6; }
.ring .track { stroke: var(--line-strong); }
.ring .val { stroke-linecap: round; transform: rotate(-90deg); transform-origin: 50% 50%; transition: stroke-dashoffset .8s ease; }
.ring text { font: 600 14px var(--mono); fill: var(--ink); text-anchor: middle; dominant-baseline: central; }
.hero h1 { margin: 0; font-size: 20px; }
.hero p { margin: 4px 0 0; color: var(--ink-2); font-size: 14px; }
.problems { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; grid-column: 1 / -1; }
.problems li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; background: rgba(250,178,25,.08); border: 1px solid rgba(250,178,25,.25); font-size: 14px; }

/* Status badge: icon + label, never color alone */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.badge::before { font-family: var(--mono); }
.badge.good { color: #6fdc6f; background: rgba(12,163,12,.12); } .badge.good::before { content: "✓"; }
.badge.warning { color: var(--warning); background: rgba(250,178,25,.12); } .badge.warning::before { content: "!"; }
.badge.critical { color: #ff7a7a; background: rgba(208,59,59,.14); } .badge.critical::before { content: "×"; }
.badge.neutral { color: var(--ink-2); background: var(--surface-2); } .badge.neutral::before { content: "·"; }

/* KPI tiles */
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 720px) { .kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.kpi { padding: 14px; }
.kpi .label { font-size: 12px; color: var(--ink-3); }
.kpi .value { font: 600 26px/1.15 var(--mono); margin-top: 4px; }
.kpi .value small { font-size: 14px; color: var(--ink-3); font-weight: 500; }
.kpi .foot { margin-top: 6px; }

/* Timeline of the day */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.timeline li { display: grid; grid-template-columns: 56px 18px 1fr auto; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.timeline li:last-child { border-bottom: 0; }
.timeline .t { font: 13px var(--mono); color: var(--ink-2); }
.dot { width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--line-strong); justify-self: center; }
.dot.done { background: var(--good); border-color: var(--good); box-shadow: 0 0 8px rgba(12,163,12,.6); }
.dot.next { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(92,200,255,.15); animation: pulse 1.6s ease-in-out infinite; }
.dot.fail { background: var(--critical); border-color: var(--critical); }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(92,200,255,.05); } }

/* Progress bars */
.progress { display: grid; gap: 6px; }
.progress .row { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-2); }
.bar { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #2f74c9, var(--cyan)); box-shadow: 0 0 10px var(--accent-glow); transition: width .8s ease; }

/* Charts */
.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid line { stroke: var(--line); stroke-width: 1; }
.chart .axis text { fill: var(--ink-3); font: 11px var(--mono); }
.chart .lbl { fill: var(--ink-2); font: 11px var(--mono); }
.chart .hit { cursor: default; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin: 0 0 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.tooltip {
  position: fixed; z-index: 20; pointer-events: none; padding: 8px 10px; border-radius: 8px; font-size: 12px;
  background: #0f1724; border: 1px solid var(--line-strong); box-shadow: 0 10px 30px rgba(0,0,0,.5); max-width: 240px;
}
.tooltip b { font-family: var(--mono); }

/* Day strip */
.strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(14px, 1fr)); gap: 4px; }
.strip span { aspect-ratio: 1; border-radius: 3px; background: var(--line); }
.strip span.q { background: var(--accent); box-shadow: 0 0 6px var(--accent-glow); }
.strip span.m { background: var(--critical); }
.strip span.f { background: transparent; border: 1px dashed var(--line-strong); }

/* Tickers */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search { flex: 1; min-width: 160px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--surface-1); color: var(--ink); font: 15px var(--sans); }
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: none; padding: 8px 12px; cursor: pointer; color: var(--ink-3); font-size: 13px; }
.seg button.on { background: var(--surface-2); color: var(--ink); }
.tickers { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.tk { display: grid; gap: 6px; padding: 14px; }
.tk .head { display: flex; justify-content: space-between; align-items: baseline; }
.tk .sym { font: 600 15px var(--mono); letter-spacing: .04em; }
.tk .px { font: 600 18px var(--mono); }
.tk .chg { font: 12px var(--mono); }
.up { color: #6fdc6f; } .down { color: #ff8b8b; }
.tk .foot { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); }
.spark path.line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.spark path.area { fill: url(#spark-fill); }

/* Lists */
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; align-items: center; }
.list li:last-child { border-bottom: 0; }
.list .k { color: var(--ink-2); }
.list .v { font-family: var(--mono); text-align: right; }
.feed li { display: grid; grid-template-columns: 1fr auto; }
.feed .when { color: var(--ink-3); font: 12px var(--mono); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--ink-3); font-weight: 500; }
td.n { font-family: var(--mono); text-align: right; }
details summary { cursor: pointer; color: var(--ink-2); font-size: 13px; margin-top: 10px; }
.note { font-size: 12px; color: var(--ink-3); margin: 10px 0 0; }
.empty { color: var(--ink-3); font-size: 14px; padding: 8px 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
.dot.past { background: var(--line-strong); border-color: var(--line-strong); }
.dot.wait { border-style: dashed; }