:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --surface-2: #f6f8fa;
  --border: #d1d9e0;
  --divider: #e3e8ee;
  --text: #1f2328;
  --text-2: #4b535d;
  --text-3: #59636e;
  --accent: #0969da;
  --accent-soft: rgb(9 105 218 / 0.14);
  /* state text and dots, each >= 4.5:1 on --surface */
  --up: #1a7f37;
  --warn: #9a6700;
  --down: #cf222e;
  --none: #8c959f;
  --down-tint: #fff5f5;
  --warn-tint: #fffbeb;
  /* banner fields carry white text, each >= 4.5:1 */
  --banner-up: #1a7f37;
  --banner-warn: #9a6700;
  --banner-down: #cf222e;
  --banner-none: #59636e;
  --skeleton: #e6eaef;
  --skeleton-hi: #f3f5f7;
  --shadow: 0 1px 2px rgb(31 35 40 / 0.06), 0 1px 3px rgb(31 35 40 / 0.04);
  --radius: 10px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --page: 880px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --surface: #151b23;
    --surface-2: #1b222c;
    --border: #2f3842;
    --divider: #262e38;
    --text: #e6edf3;
    --text-2: #b1bac4;
    --text-3: #9198a1;
    --accent: #4493f8;
    --accent-soft: rgb(68 147 248 / 0.2);
    --up: #3fb950;
    --warn: #d29922;
    --down: #f85149;
    --none: #6e7681;
    --down-tint: #25171c;
    --warn-tint: #221d12;
    --banner-up: #1a7f37;
    --banner-warn: #9a6700;
    --banner-down: #b62324;
    --banner-none: #3d444d;
    --skeleton: #212830;
    --skeleton-hi: #2a323c;
    --shadow: 0 1px 2px rgb(1 4 9 / 0.4);
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--border) transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: 400 15px/1.5 var(--font);
  color: var(--text);
  background: var(--bg);
  caret-color: var(--accent);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-soft);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

kbd {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  font: 500 11.5px/1 var(--font);
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
}

/* ---------- header ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  width: min(var(--page), 100%);
  margin: 0 auto;
  padding: 12px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand img {
  flex: none;
  border-radius: 8px;
}
.brand h1 {
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.brand__domain {
  margin: 0;
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.search {
  position: relative;
  width: min(300px, 100%);
}
.search input {
  width: 100%;
  height: 36px;
  padding: 0 36px 0 34px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  appearance: none;
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease), background-color 150ms var(--ease);
}
.search input::placeholder {
  color: var(--text-3);
}
.search input::-webkit-search-cancel-button {
  appearance: none;
}
.search input:hover {
  border-color: color-mix(in srgb, var(--text-3) 45%, var(--border));
}
.search input:focus-visible {
  outline: none;
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search__icon {
  position: absolute;
  left: 11px;
  top: 50%;
  width: 15px;
  height: 15px;
  transform: translateY(-50%);
  fill: none;
  stroke: var(--text-3);
  stroke-width: 1.8;
  stroke-linecap: round;
  pointer-events: none;
}
.search__key {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- page ---------- */

.page {
  flex: 1;
  width: min(var(--page), 100%);
  margin: 0 auto;
  padding: 32px 24px 48px;
}

/* ---------- overall banner ---------- */

.overall {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 18px 22px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: #ffffff;
  background: var(--banner-none);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background-color 250ms var(--ease);
}
.overall[data-state="up"] {
  background: var(--banner-up);
}
.overall[data-state="warn"] {
  background: var(--banner-warn);
}
.overall[data-state="down"] {
  background: var(--banner-down);
}
.overall[data-state] > .dot {
  width: 12px;
  height: 12px;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgb(255 255 255 / 0.25);
  animation: none;
}
.overall[data-state="checking"] > .dot {
  animation: breathe 1.4s ease-in-out infinite;
}

/* ---------- status dots ---------- */

.dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--none);
}
[data-state="up"] > .dot {
  background: var(--up);
}
[data-state="warn"] > .dot {
  background: var(--warn);
}
[data-state="down"] > .dot {
  background: var(--down);
  animation: pulse 1.6s var(--ease) infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--down) 45%, transparent);
  }
  100% {
    box-shadow: 0 0 0 6px transparent;
  }
}
@keyframes breathe {
  50% {
    opacity: 0.45;
  }
}

/* ---------- summary strip ---------- */

.summary {
  margin: 14px 0 32px;
}
.summary__counts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0 4px;
}
.summary__counts div {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}
.summary__counts dt {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-2);
}
.summary__counts dd {
  margin: 0;
  min-width: 1ch;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}
.summary__counts .dot {
  animation: none;
}
.summary__note {
  margin: 12px 4px 0;
  color: var(--text-3);
  font-size: 13px;
}
.summary__issues {
  display: flex;
  flex-wrap: wrap;
  gap: 0 20px;
  margin: 0 4px;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
}
.summary__issues:empty {
  display: none;
}
.summary__issues a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 550;
  overflow-wrap: anywhere;
}

/* ---------- groups ---------- */

#groups {
  display: grid;
  gap: 20px;
}

.group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: clip;
}
.group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: 14.5px;
  font-weight: 650;
  color: var(--text);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
/* The group dot shows its worst member; each row still carries its own state in text. */
.group__title::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--none);
}
.group:not(:has(.card:not([data-state="up"]))) .group__title::before {
  background: var(--up);
}
.group:has(.card[data-state="warn"]) .group__title::before {
  background: var(--warn);
}
.group:has(.card[data-state="down"]) .group__title::before {
  background: var(--down);
}
.group__role {
  padding: 8px 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-3);
  background: var(--surface-2);
  border-bottom: 1px solid var(--divider);
}
.grid + .group__role {
  border-top: 1px solid var(--divider);
}

.grid {
  margin: 0;
  padding: 0;
  list-style: none;
}
.grid > li + li {
  border-top: 1px solid var(--divider);
}

/* ---------- service rows ---------- */

.card {
  scroll-margin-top: 90px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  transition: background-color 180ms var(--ease);
}
.card[data-state="down"] {
  background: var(--down-tint);
}
.card[data-state="warn"] {
  background: var(--warn-tint);
}
.card:target {
  background: var(--accent-soft);
}

.card__icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.card__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "name status"
    "desc check";
  align-items: baseline;
  gap: 1px 16px;
  min-width: 0;
}
.card__head {
  display: contents;
}
.card__name {
  grid-area: name;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.card__desc {
  grid-area: desc;
  min-width: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-2);
}
.card__checked {
  grid-area: check;
  justify-self: end;
  font-size: 12.5px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.status {
  grid-area: status;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
  white-space: nowrap;
}
.status[data-state="up"] {
  color: var(--up);
}
.status[data-state="warn"] {
  color: var(--warn);
}
.status[data-state="down"] {
  color: var(--down);
}

/* ---------- loading skeleton (before the first snapshot) ---------- */

.status[data-state="checking"] > .dot {
  display: none;
}
.status[data-state="checking"] .status__text,
.card:not([data-state]) .card__checked {
  color: transparent;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--skeleton) 25%, var(--skeleton-hi) 50%, var(--skeleton) 75%) 0 0 / 200% 100%;
  animation: shimmer 1.4s linear infinite;
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}

/* ---------- empty search ---------- */

.empty {
  margin: 0;
  padding: 28px 20px;
  text-align: center;
  color: var(--text-2);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.link {
  padding: 0;
  font: inherit;
  font-weight: 550;
  color: var(--accent);
  background: none;
  border: 0;
  cursor: pointer;
}
.link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- footer ---------- */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  width: min(var(--page), 100%);
  margin: 0 auto;
  padding: 20px 24px 32px;
  font-size: 13px;
  color: var(--text-3);
  border-top: 1px solid var(--border);
}
.foot p {
  margin: 0;
}
.foot a {
  white-space: nowrap;
}
/* Takes the leftover width, so contact and copyright stay on the same row on desktop. */
.foot__source {
  flex: 1 1 280px;
  max-width: 75ch;
}

/* ---------- small screens ---------- */

@media (max-width: 640px) {
  .top__inner {
    flex-wrap: wrap;
    padding: 12px 16px;
  }
  .search {
    width: 100%;
  }
  .search__key {
    display: none;
  }
  .search input {
    height: 42px;
    font-size: 16px;
  }
  .page {
    padding: 20px 16px 36px;
  }
  .overall {
    padding: 16px 18px;
    font-size: 17px;
  }
  .card {
    scroll-margin-top: 140px;
    align-items: start;
    padding: 12px 16px;
  }
  .card__icon {
    margin-top: 2px;
  }
  .card__body {
    grid-template-areas:
      "name status"
      "desc desc"
      "check check";
  }
  .card__checked {
    justify-self: start;
    margin-top: 2px;
  }
  .group__title,
  .group__role {
    padding-inline: 16px;
  }
  .foot {
    padding: 16px;
  }
}

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