:root {
  color-scheme: light;
  --ink: #1a2330;
  --muted: #5c6672;
  --line: #e2e8ef;
  --accent: #0d6e62;
  --accent-soft: rgba(13, 110, 98, 0.1);
  --paper: #f6f4ef;
  --panel: #ffffff;
  --shadow: 0 8px 24px rgba(26, 35, 48, 0.06);
  --radius: 14px;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --tap: 44px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 0% 0%, rgba(13, 110, 98, 0.09), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 10%, rgba(13, 110, 98, 0.05), transparent 45%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 56px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex-shrink: 0;
}

.brand small {
  color: var(--accent);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand strong {
  font: 700 22px/1.15 var(--serif);
}

.nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  max-width: 100%;
  padding-bottom: 2px;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav a:hover,
.nav a.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

.hero {
  padding: 20px 0 8px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 16ch;
  font: 700 clamp(32px, 7vw, 52px)/1.05 var(--serif);
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 52ch;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2.5vw, 18px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 14px;
  margin-top: 24px;
}

.card {
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 28px rgba(13, 110, 98, 0.1);
  text-decoration: none;
}

.card:active {
  transform: scale(0.995);
}

.card h2 {
  margin: 0 0 8px;
  font: 700 22px/1.15 var(--serif);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.card .meta {
  display: inline-block;
  margin-top: 16px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 600 11px/1 var(--mono);
}

.panel {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel h1 {
  margin: 0 0 8px;
  font: 700 clamp(28px, 5vw, 40px)/1.08 var(--serif);
  letter-spacing: -0.02em;
}

.panel .subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
}

.note-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.note-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--tap);
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: inherit;
  text-decoration: none;
}

.note-list a:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}

.note-list strong {
  display: block;
  font-size: 15px;
}

.note-list a > div > div {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

.note-list span {
  color: var(--muted);
  font-size: 13px;
  flex-shrink: 0;
}

.article {
  max-width: 720px;
}

.article h2 {
  margin: 32px 0 12px;
  font: 700 clamp(22px, 4vw, 26px)/1.25 var(--serif);
}

.article h3 {
  margin: 22px 0 10px;
  font: 700 17px/1.35 var(--sans);
}

.article p,
.article li {
  color: var(--ink);
  font-size: 16px;
}

.article ul,
.article ol {
  margin: 10px 0 16px;
  padding-left: 22px;
}

.article li {
  margin: 6px 0;
}

.article .lead {
  color: var(--muted);
  font-size: 17px;
}

.callout {
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: var(--accent-soft);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 11px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--accent-soft);
  font-weight: 700;
}

.empty {
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
}

.revision-box {
  margin-top: 36px;
  padding: 18px 20px;
  border: 2px solid var(--accent);
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(13, 110, 98, 0.07), #fff);
}

.revision-box h2 {
  margin: 0 0 12px;
  font: 700 18px/1.2 var(--serif);
  color: var(--accent);
}

.revision-box ul {
  margin: 0;
  padding-left: 20px;
}

.revision-box li {
  margin: 7px 0;
  font-size: 15px;
}

.code {
  margin: 14px 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f4f7f8;
  font: 12.5px/1.55 var(--mono);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: pre-wrap;
  word-break: break-word;
}

.section-heading {
  margin: 28px 0 12px;
  font: 700 18px/1.2 var(--serif);
}

.admin-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field-hint {
  margin: -6px 0 10px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}

.article-body ul {
  margin: 12px 0 18px;
  padding-left: 22px;
}

.article-body code,
.article code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: #eef3f5;
  padding: 1px 5px;
  border-radius: 4px;
}

.article-body h2 {
  margin-top: 28px;
}

.article-body h3 {
  margin-top: 20px;
}

.footer {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.install-hint {
  display: none;
  margin: 18px 0 0;
  padding: 12px 14px;
  border: 1px dashed var(--accent);
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 14px;
}

.install-hint.show {
  display: block;
}

.install-hint button {
  margin-left: 8px;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  font: 600 13px/1 var(--sans);
  cursor: pointer;
}

@media (max-width: 720px) {
  .shell {
    width: calc(100% - 24px);
    padding: 14px 0 48px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 20px;
  }

  .nav {
    margin: 0 -4px;
    padding: 0 4px 4px;
  }

  .hero {
    padding-top: 8px;
  }

  .hero h1 {
    max-width: none;
  }

  .panel {
    padding: 16px;
    border-radius: 12px;
  }

  .note-list a {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .note-list span {
    align-self: flex-end;
  }

  .card {
    padding: 18px;
  }

  .revision-box {
    padding: 16px;
  }
}

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

  .card,
  .nav a {
    transition: none;
  }
}