/* Weight-Based Products — User documentation */
:root {
  --wbp-doc-bg: #fafafa;
  --wbp-doc-text: #1c1917;
  --wbp-doc-muted: #78716c;
  --wbp-doc-border: #e2ddd6;
  --wbp-doc-link: #2271b1;
  --wbp-doc-nav-bg: #fff;
  --wbp-doc-card-bg: #fff;
  --wbp-doc-radius: 8px;
}

* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--wbp-doc-text);
  background: var(--wbp-doc-bg);
  margin: 0;
  padding: 0;
}

.wbp-doc-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.wbp-doc-header {
  border-bottom: 1px solid var(--wbp-doc-border);
  padding-bottom: 20px;
  margin-bottom: 28px;
}
.wbp-doc-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 6px 0;
}
.wbp-doc-header p {
  color: var(--wbp-doc-muted);
  margin: 0;
  font-size: 0.95rem;
}

.wbp-doc-nav {
  background: var(--wbp-doc-nav-bg);
  border: 1px solid var(--wbp-doc-border);
  border-radius: var(--wbp-doc-radius);
  padding: 16px 20px;
  margin-bottom: 28px;
}
.wbp-doc-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.wbp-doc-nav a {
  color: var(--wbp-doc-link);
  text-decoration: none;
}
.wbp-doc-nav a:hover { text-decoration: underline; }
.wbp-doc-nav .breadcrumb { color: var(--wbp-doc-muted); font-size: 0.9rem; }

.wbp-doc-main h2 {
  font-size: 1.35rem;
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--wbp-doc-border);
}
.wbp-doc-main h3 { font-size: 1.15rem; margin: 24px 0 10px; }
.wbp-doc-main h4 { font-size: 1rem; margin: 16px 0 8px; }

.wbp-doc-main img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--wbp-doc-border);
  border-radius: var(--wbp-doc-radius);
  margin: 12px 0 20px;
}
.wbp-doc-main figure { margin: 16px 0; }
.wbp-doc-main figcaption {
  font-size: 0.9rem;
  color: var(--wbp-doc-muted);
  margin-top: 6px;
}

.setting-item {
  background: var(--wbp-doc-card-bg);
  border: 1px solid var(--wbp-doc-border);
  border-radius: var(--wbp-doc-radius);
  padding: 14px 18px;
  margin-bottom: 12px;
}
.setting-item strong { display: block; margin-bottom: 4px; }
.setting-item p { margin: 0 0 6px; font-size: 0.95rem; }
.setting-item .hint { color: var(--wbp-doc-muted); font-size: 0.875rem; }

.wbp-doc-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--wbp-doc-border);
  font-size: 0.875rem;
  color: var(--wbp-doc-muted);
}