:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1c1a;
  --muted: #5d5d58;
  --border: #dcdcd6;
  --focus: #1f5fbf;
  --ok: #17703f;
  --ok-bg: #e5f4ea;
  --degraded: #8a5a00;
  --degraded-bg: #fbf0d9;
  --down: #b3261e;
  --down-bg: #fbe5e3;
  --unknown: #555550;
  --unknown-bg: #ececea;
  --maintenance: #1d4f9c;
  --maintenance-bg: #e4ecf8;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131312;
    --surface: #1c1c1b;
    --text: #ededea;
    --muted: #a8a8a2;
    --border: #34342f;
    --focus: #8ab4ff;
    --ok: #6fd69a;
    --ok-bg: #12301f;
    --degraded: #f0c060;
    --degraded-bg: #33280f;
    --down: #ff8f86;
    --down-bg: #3a1715;
    --unknown: #b9b9b3;
    --unknown-bg: #2a2a28;
    --maintenance: #9cbcf5;
    --maintenance-bg: #172338;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: var(--focus); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
/* main takes focus when the view switches (tabindex="-1"); it is not a control, so it draws no ring. */
[tabindex="-1"]:focus { outline: none; }
.page { max-width: 64rem; margin: 0 auto; padding: 0 1rem; }
.narrow { max-width: 36rem; padding-top: 2rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: .5rem 1rem; }
.skip:focus { left: 1rem; z-index: 1; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }
.error { color: var(--down); min-height: 1.5em; }
/* Holds a failed-refresh note above the operator data; takes no room while empty (it stays rendered, so it is announced). */
#private-error:empty { min-height: 0; margin: 0; }
.eyebrow { font-size: .875rem; }

.masthead { border-bottom: 1px solid var(--border); background: var(--surface); }
.masthead .page { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.5rem; flex-wrap: wrap; }
.brand { font-weight: 700; margin: 0; }
.brand span { font-weight: 400; color: var(--muted); }
nav { display: flex; gap: .25rem; }

.button, .link { font: inherit; cursor: pointer; border-radius: 8px; padding: .5rem .9rem; min-height: 44px; }
.button { background: var(--text); color: var(--bg); border: 1px solid var(--text); }
/* The lesser action beside a primary one (the ack page's "Escalate to the next tier" beside "Acknowledge"). */
.button.secondary { background: transparent; color: var(--text); border-color: var(--text); }
.link { background: transparent; color: var(--text); border: 1px solid transparent; }
/* The selected view: a --muted edge (3:1 against the masthead, WCAG 1.4.11) and heavier text, not a faint tint. */
.link[aria-pressed="true"] { border-color: var(--muted); background: var(--bg); font-weight: 600; }

h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.125rem; margin: 2rem 0 .75rem; }

.banner { margin-top: 1.5rem; border-radius: var(--radius); padding: 1.25rem 1.25rem; border: 1px solid var(--border); background: var(--surface); }
.banner p { margin: .25rem 0 0; }
[data-status="ok"].banner { background: var(--ok-bg); }
[data-status="degraded"].banner { background: var(--degraded-bg); }
[data-status="down"].banner { background: var(--down-bg); }
[data-status="unknown"].banner { background: var(--unknown-bg); }
[data-status="maintenance"].banner { background: var(--maintenance-bg); }

table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
th, td { text-align: left; padding: .6rem .75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8125rem; font-weight: 600; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
.scroll { overflow-x: auto; }

.pill { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; }
.pill::before { content: ""; box-sizing: border-box; flex: none; width: .7rem; height: .7rem; border-radius: 50%; background: currentColor; }
.pill[data-status="ok"] { color: var(--ok); }
.pill[data-status="degraded"] { color: var(--degraded); }
.pill[data-status="degraded"]::before { border-radius: 2px; }
.pill[data-status="down"] { color: var(--down); }
.pill[data-status="down"]::before { border-radius: 0; transform: rotate(45deg); }
.pill[data-status="unknown"] { color: var(--unknown); }
.pill[data-status="unknown"]::before { background: transparent; border: 2px dashed currentColor; }
.pill[data-status="maintenance"] { color: var(--maintenance); }
.pill[data-status="maintenance"]::before { background: transparent; border: 3px solid currentColor; }
.note { display: block; font-size: .8125rem; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .8125rem; overflow-wrap: anywhere; }
#maintenance li[data-active="true"] { border-color: var(--maintenance); }

.incidents { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.incidents li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; }
.incidents .title { font-weight: 600; }

.key-form { display: grid; gap: .5rem; max-width: 32rem; margin-top: 1rem; }
/* --muted, not --border: a control's edge needs 3:1 against what surrounds it (WCAG 1.4.11). */
.key-form input { font: inherit; padding: .6rem .75rem; border-radius: 8px; border: 1px solid var(--muted); background: var(--surface); color: var(--text); }
.actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin-top: 1rem; }
/* minmax(0, 1fr) and overflow-wrap: a long token (a validator path, an address) wraps instead of widening the page. */
.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .25rem 1rem; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.payload { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; overflow-x: auto; font-size: .8125rem; }
.footer { padding-top: 2rem; padding-bottom: 2rem; font-size: .875rem; }

@media (max-width: 40rem) {
  .components th:nth-child(4), .components td:nth-child(4), .components th:nth-child(5), .components td:nth-child(5) { display: none; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .facts dd { margin-bottom: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}