:root {
  --pattern-accent: #0f766e;
  --pattern-accent-hover: #0b5f59;
  --pattern-warm: #b45309;
  --pattern-ink: #172033;
  --pattern-muted: #64748b;
  --pattern-line: #dce3ea;
  --pattern-paper: #f8fafc;
}

body {
  background-color: #fff;
  background-image: linear-gradient(rgba(15, 118, 110, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 118, 110, .025) 1px, transparent 1px);
  background-size: 24px 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--pattern-ink);
  text-decoration: none;
  font-size: 20px;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 2px solid var(--pattern-accent);
  border-radius: 50%;
  color: var(--pattern-accent);
  font-weight: 800;
  line-height: 1;
}

.pattern-kicker {
  margin: 0 0 8px;
  color: var(--pattern-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.pattern-detail {
  display: block;
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: 34px 0 0;
}

.pattern-intro {
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: center;
}

.pattern-intro h1,
.pattern-library-hero h1 {
  margin: 0;
  color: var(--pattern-ink);
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: 0;
}

.pattern-intro > p:last-child,
.pattern-library-hero > p:last-child {
  margin: 12px auto 0;
  color: #334155;
  font-size: 15px;
  line-height: 1.8;
}

.pattern-figure {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 16px;
  border: 1px solid var(--pattern-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, .08);
}

.pattern-figure img {
  display: block;
  width: 100%;
  max-height: 68vh;
  margin: 0;
  border: 0;
  border-radius: 4px;
  object-fit: contain;
}

.pattern-figure figcaption {
  margin-top: 10px;
  color: var(--pattern-muted);
  font-size: 12px;
  text-align: center;
}

.pattern-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(100%, 760px);
  margin: 20px auto 0;
  padding: 14px 0;
  border-top: 1px solid var(--pattern-line);
  border-bottom: 1px solid var(--pattern-line);
}

.pattern-stats div {
  min-width: 0;
  padding: 0 12px;
  text-align: center;
}

.pattern-stats div + div {
  border-left: 1px solid var(--pattern-line);
}

.pattern-stats dt {
  color: var(--pattern-muted);
  font-size: 12px;
}

.pattern-stats dd {
  margin: 4px 0 0;
  color: var(--pattern-ink);
  font-size: 16px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.pattern-primary-action {
  margin: 26px auto 8px;
  text-align: center;
}

.pattern-action-row {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
}

.pattern-use-button,
.pattern-library-cta a,
.pattern-share-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--pattern-accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.pattern-share-button {
  border: 1px solid var(--pattern-accent);
  background: #fff;
  color: var(--pattern-accent);
  cursor: pointer;
}

.pattern-share-button:hover {
  background: #f0fdfa;
}

.pattern-share-button:disabled {
  cursor: wait;
  opacity: .65;
}

.pattern-use-button:hover,
.pattern-library-cta a:hover {
  background: var(--pattern-accent-hover);
  color: #fff;
  text-decoration: none;
}

.pattern-primary-action p {
  margin: 9px 0 0;
  color: var(--pattern-muted);
  font-size: 12px;
}

.pattern-share-status {
  display: block;
  min-height: 18px;
  margin-top: 7px;
  color: var(--pattern-accent);
  font-size: 12px;
}

.pattern-section {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--pattern-line);
}

.pattern-section h2 {
  margin: 0 0 12px;
  color: var(--pattern-ink);
  font-size: 22px;
  letter-spacing: 0;
}

.pattern-section p,
.pattern-steps li {
  color: #334155;
  font-size: 15px;
  line-height: 1.8;
}

.pattern-table-wrap {
  overflow-x: auto;
}

.pattern-table-wrap .color-table {
  min-width: 520px;
}

.pattern-note,
.pattern-source {
  color: var(--pattern-muted) !important;
  font-size: 13px !important;
}

.pattern-steps {
  margin: 0;
  padding-left: 24px;
}

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

.pattern-related-item,
.pattern-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--pattern-line);
  border-radius: 8px;
  background: #fff;
  color: var(--pattern-ink);
  text-decoration: none;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}

.pattern-related-item:hover,
.pattern-card:hover {
  border-color: rgba(15, 118, 110, .55);
  box-shadow: 0 8px 22px rgba(15, 23, 42, .08);
  transform: translateY(-2px);
  text-decoration: none;
}

.pattern-related-item img,
.pattern-card img {
  display: block;
  width: 100%;
  height: 170px;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--pattern-paper);
  object-fit: contain;
}

.pattern-related-item strong,
.pattern-related-item span {
  display: block;
  margin: 0 11px;
}

.pattern-related-item strong {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.45;
}

.pattern-related-item span {
  margin-top: 4px;
  margin-bottom: 11px;
  color: var(--pattern-muted);
  font-size: 11px;
}

.pattern-library-hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 50px 20px 28px;
  text-align: center;
}

.pattern-library-section {
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
  padding: 36px 0;
  border-top: 1px solid var(--pattern-line);
}

.pattern-library-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.pattern-library-heading p {
  margin: 0 0 3px;
  color: var(--pattern-warm);
  font-size: 12px;
  font-weight: 700;
}

.pattern-library-heading h2 {
  margin: 0;
  color: var(--pattern-ink);
  font-size: 22px;
  letter-spacing: 0;
}

.pattern-library-heading > span {
  flex: 0 0 auto;
  color: var(--pattern-muted);
  font-size: 13px;
}

.pattern-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.pattern-card-body {
  display: block;
  padding: 12px;
}

.pattern-card-body strong,
.pattern-card-body small {
  display: block;
}

.pattern-card-body strong {
  font-size: 14px;
  line-height: 1.45;
}

.pattern-card-body small {
  margin-top: 5px;
  color: var(--pattern-muted);
  font-size: 11px;
  line-height: 1.45;
}

.pattern-library-cta {
  width: min(100% - 32px, 760px);
  margin: 28px auto 48px;
  padding: 28px 20px;
  border: 1px solid rgba(15, 118, 110, .3);
  border-radius: 8px;
  background: #f0fdfa;
  text-align: center;
}

.pattern-library-cta h2 {
  margin: 0;
  color: var(--pattern-ink);
  font-size: 21px;
}

.pattern-library-cta p {
  margin: 8px 0 17px;
  color: #475569;
  font-size: 14px;
}

.seo-footer nav {
  margin-bottom: 12px;
  text-align: center;
}

@media (max-width: 800px) {
  .pattern-related-grid,
  .pattern-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pattern-related-item img,
  .pattern-card img {
    height: 150px;
  }
}

@media (max-width: 600px) {
  .pattern-detail {
    width: min(100% - 24px, 960px);
    padding-top: 24px;
  }

  .pattern-intro h1,
  .pattern-library-hero h1 {
    font-size: 26px;
  }

  .pattern-figure {
    padding: 8px;
  }

  .pattern-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 12px;
  }

  .pattern-stats div:nth-child(3) {
    border-left: 0;
  }

  .pattern-stats div:nth-child(n+3) {
    padding-top: 12px;
    border-top: 1px solid var(--pattern-line);
  }

  .pattern-related-grid,
  .pattern-card-grid {
    gap: 10px;
  }

  .pattern-action-row {
    flex-direction: column;
  }

  .pattern-use-button,
  .pattern-share-button {
    width: 100%;
  }

  .pattern-related-item img,
  .pattern-card img {
    height: 132px;
  }

  .pattern-library-section {
    width: min(100% - 24px, 1120px);
  }
}