:root {
  color-scheme: light;
  --ink: #1f2722;
  --muted: #667269;
  --line: #d9dfd7;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --sage: #657b5f;
  --sage-dark: #344b39;
  --wheat: #d2a756;
  --clay: #a95e42;
  --shadow: 0 18px 50px rgba(47, 59, 48, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

a {
  color: var(--sage-dark);
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 310px;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: #f4f1e9;
  padding: 28px 22px;
}

.brand-block {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 30px;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  background: var(--sage-dark);
  color: #fff;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--clay);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0;
}

h1 {
  font-size: 1.18rem;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-button {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 10px 12px;
  text-align: left;
  font: inherit;
}

.nav-button span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-button strong {
  display: block;
  font-size: 0.95rem;
}

.nav-button.active,
.nav-button:hover {
  border-color: #cbd5c7;
  background: #fff;
}

.shell {
  margin-left: 310px;
  padding: 34px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
  align-items: stretch;
  margin: 0 auto 22px;
  max-width: 1180px;
}

.hero > div,
.quick-grid article,
.visual-guide,
.toolbar,
.document-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero > div:first-child {
  padding: 34px;
}

.hero h2 {
  max-width: 860px;
  font-size: clamp(2.1rem, 4vw, 4.4rem);
}

.hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px;
  border-top: 6px solid var(--wheat);
}

.hero-panel span,
.quick-grid span,
label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel strong {
  margin: 8px 0;
  color: var(--sage-dark);
  font-size: 1.55rem;
  line-height: 1.15;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto 22px;
}

.quick-grid article {
  padding: 20px;
}

.quick-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 1.04rem;
}

.quick-grid p {
  margin: 8px 0 0;
  color: var(--muted);
}

.visual-guide {
  max-width: 1180px;
  margin: 0 auto 22px;
  padding: 22px;
}

.visual-guide-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.visual-guide-header h2 {
  color: var(--sage-dark);
  font-size: 1.75rem;
}

.visual-guide-header p {
  margin: 0;
  color: var(--muted);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.visual-grid figure {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.visual-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
}

.visual-grid figcaption {
  display: grid;
  gap: 4px;
  flex: 1;
  border-top: 1px solid var(--line);
  background: #f8f7f2;
  padding: 12px;
}

.visual-grid strong {
  color: #162017;
  font-size: 0.96rem;
}

.visual-grid span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.35;
}

.toolbar {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto 22px;
  padding: 18px;
}

.toolbar div {
  display: grid;
  gap: 7px;
}

select,
input {
  width: 100%;
  border: 1px solid #c8d0c5;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 11px 12px;
}

.document-card {
  max-width: 1180px;
  margin: 0 auto;
  overflow: hidden;
}

.document-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #f8f7f2;
  padding: 22px 26px;
}

.document-header a {
  flex: 0 0 auto;
  border: 1px solid #c8d0c5;
  border-radius: 8px;
  padding: 9px 12px;
  text-decoration: none;
}

.markdown-body {
  padding: 28px 34px 42px;
}

.markdown-body h1 {
  margin: 0 0 20px;
  font-size: 2.1rem;
}

.markdown-body h2 {
  margin: 34px 0 12px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--sage-dark);
  font-size: 1.45rem;
}

.markdown-body h3 {
  margin: 24px 0 10px;
  color: #29392d;
  font-size: 1.12rem;
}

.markdown-body p {
  margin: 0 0 13px;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0 0 18px;
  padding-left: 24px;
}

.markdown-body li {
  margin: 5px 0;
}

.markdown-body strong {
  color: #162017;
}

.markdown-body mark {
  border-radius: 4px;
  background: #ffe9a9;
  padding: 0 2px;
}

.guide-image {
  margin: 18px 0 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.guide-image img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  background: #fff;
}

.guide-image figcaption {
  border-top: 1px solid var(--line);
  background: #f8f7f2;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
  padding: 10px 12px;
}

.components-intro {
  margin-bottom: 22px;
  border-left: 5px solid var(--wheat);
  background: #f8f7f2;
  padding: 16px 18px;
}

.components-intro p {
  margin: 0;
  color: var(--muted);
}

.component-section {
  margin-top: 28px;
}

.component-section:first-of-type {
  margin-top: 0;
}

.component-section-header {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.markdown-body .component-section-header h2 {
  margin: 0;
  padding-top: 0;
  border-top: 0;
}

.component-section-header p {
  max-width: 860px;
  color: var(--muted);
}

.component-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.component-card {
  display: flex;
  overflow: hidden;
  min-width: 0;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.component-art {
  display: grid;
  min-height: 170px;
  place-items: center;
  border-bottom: 1px solid var(--line);
  background: #fffdf8;
}

.component-art img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: contain;
  background: #fff;
}

.component-fallback {
  width: 100%;
}

.component-art svg {
  display: block;
  width: 100%;
  height: auto;
}

.component-copy {
  display: grid;
  gap: 8px;
  flex: 1;
  padding: 16px;
}

.markdown-body .component-copy h3 {
  margin: 0;
  color: #162017;
}

.component-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.component-copy strong {
  color: var(--sage-dark);
}

@media (max-width: 940px) {
  .sidebar {
    position: static;
    width: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .shell {
    margin-left: 0;
    padding: 18px;
  }

  .hero,
  .quick-grid,
  .visual-guide-header,
  .toolbar {
    grid-template-columns: 1fr;
  }

  .visual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .component-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero > div:first-child,
  .markdown-body {
    padding: 22px;
  }

  .document-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-image img {
    max-height: 360px;
  }
}

@media (max-width: 560px) {
  .visual-grid,
  .component-grid {
    grid-template-columns: 1fr;
  }
}