:root {
  /* DBU brand */
  --navy: #0a1831;
  --navy-2: #172a52;
  --crimson: #a31d36;
  --slate: #5c7492;

  /* Surfaces and ink */
  --paper: #f3f5f8;
  --surface: #ffffff;
  --line: #e1e6ee;
  --line-strong: #c9d1de;
  --ink: #142038;
  --ink-2: #44526b;
  --ink-3: #66748b;

  /* Data (validated pair: CVD ΔE 14.8, contrast ≥ 3:1) */
  --pass: #3d6fa8;
  --fail: #c0344d;

  /* Status: always shown with an icon and a word */
  --good: #1f7a4d;
  --warn: #9a5b00;
  --warn-fill: #fab219;
  --bad: #b8283f;

  --serif: "Crimson Text", Georgia, "Times New Roman", serif;
  --sans: "Nunito Sans", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --radius: 8px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 15px/1.5 var(--sans);
  font-variant-numeric: tabular-nums;
}
a { color: var(--pass); }
a:hover { color: var(--navy); }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid #f2b705; outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.boot { padding: 40px var(--gutter); color: var(--ink-3); }
[hidden] { display: none !important; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy);
  color: #fff;
  border-bottom: 4px solid var(--crimson);
}
.topbar-inner {
  max-width: 1240px; margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; color: #fff; text-decoration: none; }
.brand img { height: 26px; width: auto; display: block; }
.brand span { font: 600 21px/1 var(--serif); letter-spacing: .01em; color: #dfe4ee; padding-left: 14px; border-left: 1px solid rgba(255,255,255,.25); }
.topbar .spacer { flex: 1; }
.nav { display: flex; gap: 4px; margin-left: 10px; }
.nav a { color: #c3cbda; text-decoration: none; font-weight: 700; font-size: 14px; padding: 6px 10px; border-radius: 6px; }
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav a[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 var(--crimson); border-radius: 0; }
.who { font-size: 13px; color: #b9c2d3; }
.btn-quiet {
  background: transparent; border: 1px solid rgba(255,255,255,.3); color: #fff;
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.btn-quiet:hover { background: rgba(255,255,255,.08); }

.demo-banner { background: #fff4d6; border-bottom: 1px solid #f0d58a; color: #4a3500; }
.demo-inner { max-width: 1240px; margin: 0 auto; padding: 10px var(--gutter); font-size: 14px; display: flex; gap: 6px 14px; flex-wrap: wrap; align-items: baseline; }
.demo-inner a { color: #4a3500; font-weight: 700; margin-left: auto; }
.signin-brand .demo-link { margin-top: 18px; }
.signin-brand .demo-link a { color: #fff; font-weight: 700; }

/* ---------- Layout ---------- */
main { max-width: 1240px; margin: 0 auto; padding: 28px var(--gutter) 64px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }

.range { display: inline-flex; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 8px; padding: 3px; }
.range button { border: 0; background: transparent; padding: 5px 12px; border-radius: 6px; cursor: pointer; color: var(--ink-2); font-weight: 600; font-size: 13px; }
.range button[aria-pressed="true"] { background: var(--navy); color: #fff; }

/* ---------- Overview headline ---------- */
.headline { margin: 4px 0 26px; max-width: 62ch; }
.headline h1 { font: 600 clamp(26px, 3.4vw, 36px)/1.15 var(--serif); margin: 0 0 8px; color: var(--navy); }
.headline p { margin: 0; color: var(--ink-2); }

.attention {
  background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--crimson);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 24px;
}
.attention h2 { font: 700 15px/1.3 var(--sans); margin: 0 0 8px; }
.attention ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.attention li { display: flex; gap: 10px; align-items: baseline; }
.attention li a { font-weight: 700; color: var(--ink); white-space: nowrap; }

/* ---------- Domain roster (overview) ---------- */
.roster { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.roster-head, .roster-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.3fr) minmax(190px, 1.2fr) minmax(150px, 1.2fr) 110px 110px 120px;
  gap: 18px; align-items: center; padding: 14px 20px;
}
.roster-head { font-size: 12.5px; font-weight: 700; color: var(--ink-3); border-bottom: 1px solid var(--line); background: #fafbfd; }
.roster-row { border-bottom: 1px solid var(--line); text-decoration: none; color: inherit; }
.roster-row:last-child { border-bottom: 0; }
.roster-row:hover { background: #f7f9fc; }
.roster-row .domain { font: 600 21px/1.2 var(--serif); color: var(--navy); overflow-wrap: anywhere; }
.num { text-align: right; }
.big { font-weight: 700; font-size: 17px; }

/* Enforcement meter: monitor → quarantine → reject */
.meter { display: grid; gap: 5px; }
.meter-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; }
.meter-steps i { height: 8px; background: #e4e8ef; display: block; }
.meter-steps i:first-child { border-radius: 4px 0 0 4px; }
.meter-steps i:last-child { border-radius: 0 4px 4px 0; }
.meter-steps i.on { background: var(--navy); }
.meter[data-stage="0"] .meter-steps i { background: #e4e8ef; }
.meter-label { font-size: 13px; color: var(--ink-2); }
.meter-label strong { color: var(--ink); }
.meter-lg .meter-steps i { height: 12px; }
.meter-lg .meter-names { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; font-size: 12.5px; color: var(--ink-3); }
.meter-lg .meter-names .here { color: var(--ink); font-weight: 700; }

.strip { display: block; width: 100%; height: 36px; }

/* Status badges: icon + word */
.status { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13.5px; }
.status svg { width: 16px; height: 16px; flex: none; }
.status.good { color: var(--good); }
.status.warn { color: var(--warn); }
.status.bad { color: var(--bad); }
.status.none { color: var(--ink-3); }

/* ---------- Domain page ---------- */
.crumb { font-size: 14px; margin-bottom: 10px; display: inline-block; }
.domain-head { display: grid; grid-template-columns: 1fr minmax(260px, 360px); gap: 24px 40px; align-items: end; margin-bottom: 22px; }
.domain-head h1 { font: 700 clamp(32px, 5vw, 48px)/1.05 var(--serif); margin: 0; color: var(--navy); overflow-wrap: anywhere; }
.domain-head .policy-note { color: var(--ink-2); font-size: 14px; margin: 8px 0 0; max-width: 60ch; }

.stats {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 20px;
}
.stat { padding: 16px 20px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat .label { font-size: 13px; color: var(--ink-3); font-weight: 600; }
.stat .value { font-size: 28px; font-weight: 800; line-height: 1.15; margin-top: 2px; letter-spacing: -.01em; }
.stat .sub { font-size: 12.5px; color: var(--ink-3); }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 20px; }
.panel h2 { font: 700 16px/1.3 var(--sans); margin: 0; }
.legend { display: flex; gap: 16px; font-size: 13px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.chart { position: relative; margin-top: 10px; }
.chart svg { display: block; width: 100%; }
.axis text { fill: var(--ink-3); font-size: 11.5px; font-family: var(--sans); }
.grid line { stroke: #edf0f5; }
.hit { fill: transparent; cursor: crosshair; }
.hit:hover + .hover-band, .hover-band.on { opacity: 1; }
.hover-band { fill: rgba(10, 24, 49, .05); opacity: 0; pointer-events: none; }

.tooltip {
  position: fixed; z-index: 20; pointer-events: none;
  background: var(--navy); color: #fff; border-radius: 6px; padding: 8px 10px;
  font-size: 13px; line-height: 1.45; box-shadow: 0 6px 18px rgba(10, 24, 49, .25); max-width: 280px;
}
.tooltip b { font-weight: 700; }
.tooltip .sw { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 6px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line-strong); margin: 28px 0 16px; overflow-x: auto; }
.tabs a {
  padding: 10px 14px; text-decoration: none; color: var(--ink-2); font-weight: 700; font-size: 14.5px;
  border-bottom: 3px solid transparent; margin-bottom: -1px; white-space: nowrap;
}
.tabs a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--crimson); }
.tabs .count { font-weight: 600; color: var(--ink-3); margin-left: 4px; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.search { padding: 7px 11px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); min-width: 220px; }

/* Tables */
.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12.5px; color: var(--ink-3); font-weight: 700; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fafbfd; white-space: nowrap; }
td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child > td { border-bottom: 0; }
th.num, td.num { text-align: right; }
tr.clickable { cursor: pointer; }
tr.clickable:hover > td { background: #f7f9fc; }
.expander { border: 0; background: none; cursor: pointer; padding: 0; display: inline-flex; align-items: center; gap: 8px; text-align: left; }
.expander svg { width: 14px; height: 14px; transition: transform .15s; color: var(--ink-3); flex: none; }
.expander[aria-expanded="true"] svg { transform: rotate(90deg); }
.sender-name { font-weight: 700; }
.sender-type { font-size: 12.5px; color: var(--ink-3); }
td.detail { background: #f8fafc; padding: 0 14px 14px 36px; }
td.detail table { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font-size: 12px; padding: 1px 7px; border-radius: 10px; background: #eef1f6; color: var(--ink-2); white-space: nowrap; }
.chip.pass { background: #e7eef7; color: #2b5687; }
.chip.fail { background: #f8e8eb; color: #9c2238; }
.code { font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere; }

/* Pass share bar inside tables */
.share { display: grid; grid-template-columns: 56px 1fr; gap: 10px; align-items: center; min-width: 170px; }
.share-bar { display: flex; gap: 2px; height: 8px; }
.share-bar i { display: block; height: 100%; }
.share-bar i:first-child { border-radius: 4px 0 0 4px; background: var(--pass); }
.share-bar i:last-child { border-radius: 0 4px 4px 0; background: var(--fail); }
.share-bar i:only-child { border-radius: 4px; }

/* DNS */
.dns-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.dns-grid .panel { margin: 0; }
.record { background: #f4f6fa; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; margin: 10px 0; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; font-size: 14px; }
dl.kv dt { color: var(--ink-3); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }
.issues { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.issues li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; }
.issues svg { width: 18px; height: 18px; margin-top: 2px; }
.lookups { display: flex; gap: 3px; margin-top: 6px; }
.lookups i { width: 18px; height: 8px; background: #e4e8ef; border-radius: 2px; }
.lookups i.on { background: var(--navy); }
.lookups i.over { background: var(--fail); }

.empty { background: var(--surface); border: 1px dashed var(--line-strong); border-radius: var(--radius); padding: 28px; color: var(--ink-2); max-width: 70ch; }
.empty h2 { font: 600 22px/1.2 var(--serif); color: var(--navy); margin: 0 0 6px; }
.error-box { border-left: 4px solid var(--bad); background: #fff; padding: 14px 18px; border-radius: 6px; }

/* ---------- Users ---------- */
.invite { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; margin-top: 12px; }
.invite .field { flex: 1 1 260px; max-width: 420px; }
.check { display: inline-flex; gap: 8px; align-items: center; font-weight: 600; font-size: 14px; padding-bottom: 10px; }
.check input { width: 16px; height: 16px; accent-color: var(--navy); }
td.actions { white-space: nowrap; text-align: right; }
.btn-small {
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink); border-radius: 6px;
  padding: 4px 10px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.btn-small:hover { border-color: var(--navy); }
.btn-small.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.flash { padding: 10px 14px; border-radius: 6px; font-weight: 600; margin: 0 0 14px; }
.flash.ok { background: #e8f3ec; color: var(--good); }
.flash.err { background: #f8e8eb; color: var(--bad); }
#flash:empty { display: none; }

/* ---------- Sign-in ---------- */
.signin { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.signin-brand {
  background: var(--navy); color: #fff; padding: clamp(28px, 6vw, 72px);
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  border-right: 6px solid var(--crimson);
}
.signin-brand img { height: 40px; width: auto; align-self: flex-start; }
.signin-brand h1 { font: 600 clamp(36px, 5vw, 56px)/1.05 var(--serif); margin: 0 0 14px; }
.signin-brand p { margin: 0; color: #c3cbda; max-width: 40ch; font-size: 16px; }
.signin-brand small { color: #8f9bb3; }
.signin-form { display: flex; align-items: center; justify-content: center; padding: 40px var(--gutter); background: var(--surface); }
.signin-form form { width: 100%; max-width: 360px; display: grid; gap: 16px; }
.signin-form h2 { font: 600 28px/1.2 var(--serif); margin: 0; color: var(--navy); }
label.field { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
label.field input { padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 6px; font-weight: 400; background: #fff; }
label.field input:focus { border-color: var(--navy); }
.btn {
  background: var(--navy); color: #fff; border: 0; border-radius: 6px; padding: 11px 16px;
  font-weight: 700; cursor: pointer;
}
.btn:hover { background: var(--navy-2); }
.btn[disabled] { opacity: .6; cursor: progress; }
.link-btn { background: none; border: 0; color: var(--pass); cursor: pointer; padding: 0; text-decoration: underline; justify-self: start; font-size: 14px; }
.form-error { color: var(--bad); font-size: 14px; margin: 0; }
.form-note { color: var(--ink-2); font-size: 14px; margin: 0; }

/* ---------- Small screens ---------- */
@media (max-width: 960px) {
  .roster-head { display: none; }
  .roster-row { grid-template-columns: 1fr 1fr; gap: 10px 16px; }
  .roster-row .domain { grid-column: 1 / -1; }
  .roster-row .strip-cell { grid-column: 1 / -1; }
  .num { text-align: left; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(odd) { border-left: 0; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .domain-head { grid-template-columns: 1fr; }
  .signin { grid-template-columns: 1fr; }
  .signin-brand { border-right: 0; border-bottom: 6px solid var(--crimson); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}