:root {
  --paper: #fbfaf6;
  --paper-raise: #ffffff;
  --paper-sink: #f3f0e8;
  --ink: #23211c;
  --ink-soft: #444138;
  --muted: #6f6b5f;
  --line: #e3dfd3;
  --line-strong: #c9c4b6;
  --accent: #4a55c8;
  --accent-deep: #38419b;
  --focus: #a8b0f0;
  --ok: #2e6b3e;
  --ok-soft: #b9cdbf;
  --warn: #8a6200;
  --warn-soft: #d9c38f;
  --fail: #a63a2c;
  --fail-soft: #d8a49b;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --measure: 66ch;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--focus);
  color: var(--ink);
}

a {
  color: var(--accent-deep);
  text-decoration-color: #c7cbef;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 10;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 120ms ease;
}

.skip:focus {
  top: 16px;
  color: var(--paper);
}

.masthead {
  background: var(--paper-raise);
  border-bottom: 1px solid var(--line);
}

.masthead-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 28px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  grid-template-areas:
    "wordmark status link"
    "tag tag tag";
  align-items: baseline;
  column-gap: 24px;
  row-gap: 4px;
}

.wordmark {
  grid-area: wordmark;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.wordmark:hover {
  color: var(--ink);
  text-decoration: none;
}

.wordmark-mark {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.wordmark-mark svg {
  display: block;
}

.masthead-tag {
  grid-area: tag;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.masthead-link {
  grid-area: link;
  font-family: var(--mono);
  font-size: 0.85rem;
  white-space: nowrap;
}

.masthead-status {
  grid-area: status;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.82rem;
  white-space: nowrap;
  color: var(--accent-deep);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 14px;
  background: var(--paper-raise);
}

.masthead-status:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.masthead-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 52px 28px 88px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 32px;
  font-size: 0.95rem;
}

.toc-label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.toc-list a {
  display: block;
  padding: 5px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
}

.toc-list a:hover {
  color: var(--ink);
}

.toc-list a.is-current {
  color: var(--ink);
  border-left-color: var(--accent);
  font-weight: 600;
}

.toc-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

main {
  min-width: 0;
}

.lead {
  padding: 8px 0 40px;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.section-no {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.eyebrow {
  margin: 0 0 18px;
}

.lead-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.lead-text {
  margin: 22px 0 0;
  max-width: var(--measure);
  font-size: 1.08rem;
  color: var(--ink-soft);
}

.lead-meta {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.section {
  padding: 52px 0 8px;
}

.section-title {
  margin: 0 0 18px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.85rem;
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.section-no {
  display: block;
  margin-bottom: 8px;
}

.section > p,
.section > .note > p {
  max-width: var(--measure);
}

.subsection-title {
  margin: 34px 0 12px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
}

.glossary {
  margin: 0;
  border-top: 1px solid var(--line);
}

.glossary > div {
  display: grid;
  grid-template-columns: minmax(150px, 210px) 1fr;
  gap: 20px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
}

.glossary dt {
  font-weight: 600;
}

.glossary dd {
  margin: 0;
  color: var(--muted);
}

.ref-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.ref {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}

.ref:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.ref-main {
  min-width: 0;
  text-decoration: none;
  color: inherit;
}

.ref-main:hover {
  text-decoration: none;
}

.ref-main:hover .ref-name {
  color: var(--accent-deep);
}

.ref-name {
  display: block;
  font-weight: 600;
  color: var(--ink);
  transition: color 120ms ease;
}

.ref-desc {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.92rem;
}

.ref-url {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  word-break: break-all;
}

.ref-copy {
  appearance: none;
  align-self: center;
  font: 0.8rem var(--sans);
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--paper-raise);
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  padding: 6px 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 120ms ease, color 120ms ease, background 120ms ease;
}

.ref-copy:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.ref-copy:active {
  transform: translateY(1px);
}

.ref-copy[data-state="done"] {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.h-table {
  width: 100%;
  margin-top: 22px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.h-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line-strong);
}

.h-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.h-table td:first-child {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.note {
  margin: 0;
  padding: 18px 22px;
  background: var(--paper-sink);
  border-left: 3px solid var(--line-strong);
  border-radius: 0 4px 4px 0;
}

.note p {
  margin: 0;
  color: var(--ink-soft);
}

.sources {
  margin: 22px 0 0;
  padding-left: 1.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.sources li {
  margin-bottom: 10px;
  padding-left: 6px;
}

.sources li::marker {
  color: var(--accent-deep);
  font-family: var(--mono);
  font-size: 0.8rem;
}

sup.fn {
  line-height: 0;
}

.fn a {
  font-family: var(--mono);
  font-size: 0.68em;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: none;
  padding: 0 1px;
}

.fn a:hover {
  text-decoration: underline;
}

.status {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--ink);
  color: var(--paper);
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
}

.status.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-raise);
}

.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
}

.footer-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  white-space: nowrap;
  text-align: right;
}

.status-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 52px 28px 88px;
}

.st-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 30px 0 0;
}

.st-card {
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
}

.st-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.st-card-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.25rem;
}

.st-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

.st-pill {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
  background: var(--paper-sink);
}

.st-pill.is-ok {
  color: var(--ok);
  border-color: var(--ok-soft);
}

.st-pill.is-warn {
  color: var(--warn);
  border-color: var(--warn-soft);
}

.st-pill.is-fail {
  color: var(--fail);
  border-color: var(--fail-soft);
}

.st-pill.is-pending {
  color: var(--muted);
}

.st-meta {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.st-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.st-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.st-item:last-child {
  border-bottom: 0;
}

.st-item .st-label {
  color: var(--ink-soft);
}

.st-state {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  text-align: right;
}

.st-state.ok {
  color: var(--ok);
}

.st-state.warn {
  color: var(--warn);
}

.st-state.fail {
  color: var(--fail);
}

.st-state.unknown {
  color: var(--muted);
}

.st-note {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.st-incidents {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
}

.st-incidents h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.05rem;
}

.st-incident-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.st-incident-list li {
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.back-link {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 0.86rem;
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 34px;
  }

  .st-card-head {
    flex-wrap: wrap;
  }

  .toc {
    position: static;
  }

  .toc-label {
    margin-bottom: 8px;
  }

  .toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 6px;
    border-left: 0;
  }

  .toc-list a {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 12px;
    margin: 0;
    font-size: 0.85rem;
  }

  .toc-list a.is-current {
    border-color: var(--accent);
    background: var(--paper-raise);
  }

  .toc-note {
    display: none;
  }

  .glossary > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .site-footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-meta {
    text-align: left;
    white-space: normal;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .masthead-inner,
  .layout,
  .site-footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .masthead-inner {
    grid-template-areas:
      "wordmark"
      "tag";
    row-gap: 2px;
  }

  .masthead-link,
  .masthead-status {
    display: none;
  }

  .ref {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .ref-copy {
    padding: 6px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}