:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #5a6675;
  --navy: #0b1b30;
  --navy-2: #123052;
  --cyan: #32bce1;
  --blue: #1669b2;
  --orange: #e58800;
  --line: #c7d0da;
  --line-dark: #8b98a7;
  --panel: #eef2f6;
  --paper: #ffffff;
  --max: 1080px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: #dde3ea;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

a { color: #075c9d; }
a:hover { color: #973e00; }
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #ffb33a;
  outline-offset: 2px;
}

.shell {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.site-header {
  color: #fff;
  background: var(--navy);
  border-bottom: 5px solid var(--cyan);
}

.header-row {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #fff;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 58px;
  height: 58px;
}

.brand strong,
.brand small { display: block; }

.brand strong {
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.brand small {
  margin-top: 0.25rem;
  color: #c9d8e8;
  font-size: 0.82rem;
}

nav {
  display: flex;
  align-self: stretch;
}

.header-tools {
  display: flex;
  align-self: stretch;
}

nav a {
  display: flex;
  align-items: center;
  padding: 0 0.9rem;
  color: #f4f8fc;
  border-left: 1px solid #314662;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 700;
}

nav a:last-child { border-right: 1px solid #314662; }
nav a:hover { color: #fff; background: var(--navy-2); }

.language-switch {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-left: 0.8rem;
}

.language-switch button {
  min-width: 34px;
  padding: 0.35rem 0.4rem;
  color: #cbd5df;
  background: transparent;
  border: 1px solid #50637a;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.language-switch button:hover,
.language-switch button.is-active {
  color: #07182b;
  background: var(--cyan);
  border-color: #8fe5f5;
}

.language-switch button:focus-visible {
  outline: 3px solid #ffb33a;
  outline-offset: 2px;
}

.page-grid {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: start;
  min-height: calc(100vh - 157px);
  background: var(--paper);
  border-inline: 1px solid #c3cbd4;
}

.side-panel {
  position: sticky;
  top: 0;
  padding: 1.25rem 1rem;
  background: var(--panel);
  border-right: 1px solid var(--line);
}

.side-panel h2 {
  margin: 0 0 0.8rem;
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--navy-2);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.side-panel dl { margin: 0; }

.side-panel dl div {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

.side-panel dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.side-panel dd {
  margin: 0.15rem 0 0;
  font-weight: 700;
}

.side-note {
  margin: 1rem 0 0;
  padding: 0.65rem;
  background: #fff;
  border-left: 4px solid var(--cyan);
  color: #3e4b5a;
  font-size: 0.82rem;
}

.source-link {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.content { padding: 1.65rem 2rem 2.75rem; }

.intro {
  padding-bottom: 1.45rem;
  border-bottom: 1px solid var(--line-dark);
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: #9a4e00;
  font-size: 0.79rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  max-width: 760px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.16;
}

.intro > p:last-child {
  max-width: 790px;
  margin: 0.85rem 0 0;
}

.source-intro {
  color: var(--muted);
  font-size: 0.87rem;
}

.section { padding-top: 1.8rem; }

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.65rem;
  border-bottom: 2px solid var(--navy-2);
}

.section-heading h2 {
  margin: 0;
  padding: 0 0 0.35rem;
  font-size: 1.25rem;
}

.section-note,
.text-link {
  font-size: 0.8rem;
  font-weight: 700;
}

.section-note { color: var(--muted); }

.download-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem;
  background: #edf8fb;
  border: 1px solid #79b7c8;
  border-left: 6px solid var(--cyan);
}

.download-main {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.platform-mark {
  flex: 0 0 68px;
  padding: 0.8rem 0.35rem;
  color: #fff;
  background: var(--navy-2);
  border: 1px solid #061324;
  font-size: 0.83rem;
  font-weight: 700;
  text-align: center;
}

.download-main h3 { margin: 0; font-size: 1.1rem; }
.download-main p { margin: 0.18rem 0 0; }

.file-meta {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
}

.download-button {
  display: inline-block;
  padding: 0.7rem 0.9rem;
  color: #fff;
  background: #0b5f9d;
  border: 1px solid #063d68;
  box-shadow: inset 0 1px 0 #5ba6d6;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.download-button:hover { color: #fff; background: #084b7c; }

.download-button.is-disabled {
  color: #d9e0e7;
  background: #758292;
  border-color: #5d6876;
  box-shadow: none;
  pointer-events: none;
}

.detected-platform {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.platform-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0;
  margin-top: 0.55rem;
  padding: 0.45rem 0.6rem;
  background: #f4f6f8;
  border: 1px solid var(--line);
  font-size: 0.8rem;
}

.platform-options span {
  margin-right: 0.65rem;
  color: var(--muted);
  font-weight: 700;
}

.platform-options a {
  padding: 0 0.65rem;
  border-left: 1px solid var(--line-dark);
  font-weight: 700;
}

.checksum {
  margin-top: 0.55rem;
  padding: 0.45rem 0.6rem;
  background: #f4f6f8;
  border: 1px solid var(--line);
  font-size: 0.78rem;
}

.checksum summary { cursor: pointer; font-weight: 700; }
.checksum code { display: block; overflow-wrap: anywhere; margin-top: 0.45rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line-dark); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 0.55rem 0.65rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th:last-child,
td:last-child { border-right: 0; }
tbody tr:last-child td { border-bottom: 0; }

th {
  color: #fff;
  background: var(--navy-2);
  font-size: 0.78rem;
}

tbody tr:nth-child(even) { background: #f2f5f8; }

.archive-status {
  color: #4d5865;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.archive-note {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.75rem;
}

.download-links a {
  font-weight: 700;
  white-space: nowrap;
}

.loading-row {
  color: var(--muted);
  font-style: italic;
}

.data-error {
  margin: 0.7rem 0 0;
  padding: 0.65rem;
  color: #681b0e;
  background: #fff1ed;
  border: 1px solid #c9877a;
  font-size: 0.88rem;
}

[hidden] { display: none !important; }

.release { border-bottom: 1px solid var(--line); }
.release:last-child { border-bottom: 0; }

.release header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.4rem;
}

.release h3 { margin: 0; font-size: 1rem; }
.release time { color: var(--muted); font-size: 0.8rem; }

.release ul {
  margin: 0.4rem 0 1rem;
  padding-left: 1.2rem;
}

.release li { margin: 0.18rem 0; }
.release li::marker { color: var(--orange); }

footer {
  color: #cbd5df;
  background: var(--navy);
  border-top: 1px solid #06111f;
  font-size: 0.78rem;
}

footer a { color: #d9f5ff; }
footer a:hover { color: #fff; }

.footer-row {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 1rem), var(--max)); }

  .header-row {
    display: block;
    padding-top: 0.7rem;
  }

  .brand { padding-bottom: 0.65rem; }
  .brand img { width: 48px; height: 48px; }

  .header-tools {
    width: 100%;
    border-top: 1px solid #314662;
  }

  nav { flex: 1; }

  nav a {
    flex: 1;
    justify-content: center;
    min-height: 42px;
    padding: 0 0.35rem;
    font-size: 0.78rem;
  }

  .language-switch {
    flex: 0 0 auto;
    padding: 0 0 0 0.35rem;
    border-left: 1px solid #314662;
  }

  .language-switch button {
    min-width: 31px;
    padding-inline: 0.25rem;
  }

  .page-grid { display: block; }

  .side-panel {
    position: static;
    display: none;
  }

  .content { padding: 1.1rem 0.8rem 2rem; }

  .download-box { grid-template-columns: 1fr; }
  .download-button { text-align: center; }

  .download-main { align-items: flex-start; }

  .platform-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .platform-options span,
  .platform-options a {
    margin: 0;
    padding: 0.35rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .platform-options a:last-child { border-bottom: 0; }

  .footer-row {
    min-height: 78px;
    display: block;
    padding-block: 0.9rem;
  }

  .footer-row span { display: block; }
  .footer-row span + span { margin-top: 0.3rem; }
}

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

@media print {
  .site-header .header-tools,
  .download-button,
  footer { display: none; }
  body { background: #fff; }
  .page-grid { border: 0; }
}