.blockchain-wiki { color: var(--site-fg); }
.blockchain-wiki * { box-sizing: border-box; }
.blockchain-wiki .category { margin: 0 0 8px; color: var(--site-muted); font-size: 12px; }
.blockchain-wiki p { margin: 0 0 14px; }
.blockchain-wiki .bc-lead { font-size: 20px; line-height: 1.5; color: var(--site-heading); }
.blockchain-wiki h2 { margin: 30px 0 12px; scroll-margin-top: 24px; }
.blockchain-wiki a { color: var(--site-link); text-underline-offset: 3px; }
.blockchain-wiki .bc-source, .blockchain-wiki figcaption { color: var(--site-muted); font-size: 12px; line-height: 1.6; }
.bc-jump { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 12px 0; border-block: 1px solid var(--site-line); font-size: 13px; }
.blockchain-wiki figure { margin: 18px 0; }
.blockchain-wiki figcaption { margin-top: 8px; }
.bc-notebooks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.bc-notebook { display: flex; flex-direction: column; border-left: 2px solid var(--site-accent); padding-left: 12px; }
.bc-notebook > strong { font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.bc-notebook > span { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--site-line); padding: 3px 0; font-size: 13px; }
.bc-notebook b { font-weight: 500; font-variant-numeric: tabular-nums; }
.bc-notebook small { font-size: 11px; color: var(--site-muted); margin-top: 6px; }
.bc-controls { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.bc-controls[hidden], .blockchain-wiki .bc-block [hidden] { display: none; }
.bc-controls button { border: 1px solid var(--site-control-line); border-radius: 5px; padding: 7px 12px; background: transparent; color: var(--site-fg); font: inherit; font-size: 13px; cursor: pointer; }
.bc-controls button[aria-pressed="true"] { background: var(--site-hover); border-color: var(--site-accent); }
.bc-controls button:hover { background: var(--site-hover); }
.blockchain-wiki :is(button, summary, a):focus-visible { outline: 2px solid var(--site-accent); outline-offset: 3px; }
.blockchain-wiki .bc-chain { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; list-style: none; padding: 0; margin: 0; }
.bc-chain .bc-block { position: relative; padding: 12px; margin: 0; background: var(--site-surface); border: 1px solid var(--site-line); border-radius: 5px; }
.bc-block:not(:last-child)::after { content: "→"; position: absolute; top: 50%; right: -21px; color: var(--site-muted); transform: translateY(-50%); }
.bc-chain .bc-block.is-changed { background: var(--site-hover); border-color: var(--site-hover-line); }
.bc-chain .bc-block.is-broken { border-style: dashed; border-color: var(--site-accent); }
.bc-chain .bc-block h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 0 8px; font-size: 14px; font-weight: 500; line-height: 1.4; }
.bc-block h3 span { font-size: 11px; color: var(--site-muted); }
.bc-chain .bc-block p { margin: 0 0 12px; font-size: 13px; line-height: 1.5; }
.bc-block dl { margin: 0; }
.bc-block dt { font-size: 11px; line-height: 1.5; color: var(--site-muted); }
.bc-block dd { margin: 0 0 8px; font: 13px/1.6 ui-monospace, SFMono-Regular, monospace; overflow-wrap: anywhere; }
.bc-block dd:last-child { margin-bottom: 0; }
.bc-block [data-mismatch] { display: block; font-family: inherit; font-size: 11px; }
.blockchain-wiki .bc-demo-status { margin: 10px 0 4px; font-size: 13px; color: var(--site-heading); }
.bc-ingredients { margin: 0 0 14px; }
.bc-ingredients > div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--site-line); }
.bc-ingredients dt { font-weight: 500; font-size: 14px; }
.bc-ingredients dd { margin: 0; font-size: 14px; }
.bc-uses details, .bc-concepts { border-bottom: 1px solid var(--site-line); }
.bc-uses summary, .bc-concepts > summary { padding: 13px 0; cursor: pointer; font-size: 14px; }
.bc-uses summary strong { display: inline-block; min-width: 170px; font-weight: 500; }
.bc-uses summary span { color: var(--site-muted); font-size: 13px; }
.bc-detail { padding: 0 0 14px 20px; font-size: 14px; }
.bc-detail p { margin-bottom: 10px; }
.bc-vending { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 6px 0 16px; font-size: 13px; }
.bc-vending span { background: var(--site-surface); padding: 7px 10px; border-radius: 4px; }
.bc-vending b { color: var(--site-muted); font-weight: 400; }
.bc-limits { padding-left: 20px; margin: 0 0 16px; }
.bc-limits li { margin-bottom: 8px; }
.bc-related { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--site-line); font-size: 13px; }
@media (max-width: 600px) {
    .blockchain-wiki .bc-lead { font-size: 18px; }
    .bc-notebooks { gap: 8px; }
    .bc-notebook { padding-left: 7px; }
    .bc-notebook > span { flex-wrap: wrap; gap: 0 4px; font-size: 12px; }
    .bc-notebook small { display: none; }
    .blockchain-wiki .bc-chain { grid-template-columns: 1fr; gap: 22px; }
    .bc-chain .bc-block { padding: 12px 14px; }
    .bc-block:not(:last-child)::after { content: "↓"; top: auto; bottom: -23px; left: 50%; right: auto; transform: translateX(-50%); }
    .bc-block dl { display: grid; grid-template-columns: 140px 1fr; align-items: baseline; gap: 4px 8px; }
    .bc-block dd { margin: 0; }
    .bc-block [data-mismatch] { display: inline; }
    .bc-ingredients > div { grid-template-columns: 1fr; gap: 2px; }
    .bc-uses summary strong { min-width: 0; }
    .bc-uses summary span { display: block; margin-left: 18px; }
}
@media (pointer: coarse) { .bc-controls button { min-height: 44px; } }