:root {
  color-scheme: light;
  --page-bg: #fffaf2;
  --surface: #ffffff;
  --surface-soft: #fff6e8;
  --border: #f2dcc0;
  --text: #342a20;
  --muted: #6f6256;
  --accent: #936214;
  --accent-soft: #f6d8a8;
  --calm: #dfeee8;
  --calm-text: #365f51;
  --shadow: 0 18px 48px rgba(98, 71, 35, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(246, 216, 168, 0.3), transparent 34rem),
    linear-gradient(180deg, #fffaf2 0%, #fff5e8 100%);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #6f4709;
}

.header-link {
  overflow-wrap: anywhere;
}

.page-shell {
  width: min(calc(100% - 40px), 960px);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.language-switcher {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.language-switcher__label {
  font-weight: 700;
}

.language-switcher__select {
  min-width: 132px;
  min-height: 40px;
  padding: 7px 34px 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.language-switcher__select:focus-visible {
  outline: 2px solid rgba(147, 98, 20, 0.75);
  outline-offset: 2px;
}

.site-header {
  margin-bottom: 28px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--calm);
  color: var(--calm-text);
  font-size: 0.88rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  color: #4a3519;
  line-height: 1.45;
}

h1 {
  font-size: 2.35rem;
}

h2 {
  margin-top: 34px;
  font-size: 1.35rem;
}

h3 {
  margin-top: 20px;
  font-size: 1.08rem;
}

p {
  margin: 12px 0 0;
}

code {
  padding: 0.08em 0.34em;
  border-radius: 6px;
  background: #fff2dc;
  color: #6f4709;
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  font-size: 0.94em;
}

ul,
ol {
  margin: 12px 0 0;
  padding-left: 1.35rem;
}

li + li {
  margin-top: 6px;
}

.manual-sensitivity-list {
  margin-top: 6px;
  padding-left: 1.2rem;
}

.manual-sensitivity-list li + li {
  margin-top: 4px;
}

.lead {
  max-width: 760px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.content-card {
  width: 100%;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

section[id] {
  scroll-margin-top: 20px;
}

.toc {
  margin-bottom: 30px;
  padding: 22px 24px;
  border: 1px solid #f4e3cc;
  border-radius: 14px;
  background: var(--surface-soft);
}

.toc h2 {
  margin-top: 0;
  text-align: center;
}

.toc ul {
  display: grid;
  gap: 10px;
  max-width: 620px;
  margin: 16px auto 0;
  padding-left: 0;
  list-style: none;
}

.toc li + li {
  margin-top: 0;
}

.toc a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  font-weight: 700;
  text-decoration: none;
}

.toc a:hover {
  background: #fffaf4;
}

.section-block {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid #f4e3cc;
  border-radius: 14px;
  background: var(--surface-soft);
}

.resource-link {
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid #f4e3cc;
  border-radius: 14px;
  background: #fffaf4;
}

.resource-link h2 {
  margin-top: 0;
}

.resource-link a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-top: 10px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.manual-figure {
  margin: 18px 0 0;
}

.manual-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(98, 71, 35, 0.08);
  cursor: zoom-in;
}

.manual-figure img:focus-visible {
  outline: 3px solid rgba(147, 98, 20, 0.75);
  outline-offset: 4px;
}

.manual-figure figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.94rem;
  text-align: center;
}

.manual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.manual-grid .manual-figure {
  margin-top: 0;
}

.image-modal {
  width: min(calc(100% - 24px), 1680px);
  max-width: none;
  max-height: calc(100% - 24px);
  margin: auto;
  padding: 54px 16px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(52, 42, 32, 0.3);
  overflow: auto;
  cursor: zoom-out;
}

.image-modal::backdrop {
  background: rgba(52, 42, 32, 0.72);
  backdrop-filter: blur(2px);
}

.image-modal__close {
  position: fixed;
  top: 18px;
  right: 18px;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  box-shadow: 0 8px 22px rgba(52, 42, 32, 0.22);
  font: inherit;
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.image-modal__close:hover {
  background: var(--surface-soft);
}

.image-modal__close:focus-visible {
  outline: 3px solid rgba(147, 98, 20, 0.75);
  outline-offset: 3px;
}

.image-modal__image {
  display: block;
  width: min(100%, 1600px);
  height: auto;
  margin: 0 auto;
  border-radius: 10px;
  background: #ffffff;
}

.image-modal__caption {
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

.section-block h2,
.quiet-note h2 {
  margin-top: 0;
}

.quiet-note {
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent-soft);
  border-radius: 12px;
  background: #fffaf4;
  color: var(--muted);
  text-align: center;
}

.docs-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.docs-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.docs-nav a:hover {
  background: #fff6e8;
}

.github-repository-link {
  display: flex;
  justify-content: center;
  margin: 14px 0 0;
}

.github-repository-link a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.github-repository-link a:hover {
  background: #fff6e8;
}

.site-footer {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 28px), 960px);
    padding: 18px 0 36px;
  }

  .language-switcher {
    justify-content: center;
    width: 100%;
  }

  .language-switcher__select {
    flex: 1;
    min-width: 0;
    max-width: 220px;
  }

  .site-header,
  .content-card {
    padding: 22px;
    border-radius: 14px;
  }

  h1 {
    font-size: 1.9rem;
  }

  .section-block {
    padding: 16px;
  }

  .manual-grid {
    grid-template-columns: 1fr;
  }

  .image-modal {
    width: calc(100% - 12px);
    max-height: calc(100% - 12px);
    padding: 54px 8px 14px;
    border-radius: 12px;
  }

  .image-modal__close {
    top: 10px;
    right: 10px;
  }

  .toc {
    padding: 18px 16px;
  }

  .toc a {
    padding: 8px 12px;
  }

  .docs-nav {
    display: grid;
  }

  .docs-nav a {
    justify-content: center;
    width: 100%;
    border-radius: 12px;
  }

  .github-repository-link a {
    width: 100%;
    border-radius: 12px;
  }
}