.eRKCiW_diagramCard{background-color:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);margin:24px 0;padding:20px}.eRKCiW_diagramHeader{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px;display:flex}.eRKCiW_diagramTitle{font-family:var(--font-display);color:var(--color-text-primary);margin-top:6px;font-size:1.05rem;font-weight:700}.eRKCiW_diagramMeta{color:var(--color-text-muted);font-size:.74rem}.eRKCiW_merkleGraphic{background-color:var(--color-surface-inset);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);flex-direction:column;align-items:center;padding:20px;display:flex}.eRKCiW_treeLevel{justify-content:center;gap:32px;width:100%;display:flex}.eRKCiW_treeNode{background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);transition:all var(--transition-fast);flex-direction:column;align-items:center;padding:8px 14px;display:flex}.eRKCiW_rootNode{border-color:var(--color-accent-border);background:var(--color-accent-subtle)}.eRKCiW_nodeActive{border-color:var(--color-accent-primary);box-shadow:0 0 0 2px #0284c733}.eRKCiW_nodeLabel{text-transform:uppercase;color:var(--color-text-muted);margin-bottom:2px;font-size:.68rem;font-weight:700}.eRKCiW_nodeHash{font-family:var(--font-mono);color:var(--color-text-primary);font-size:.74rem}.eRKCiW_branchSvg{width:100%;max-width:400px;height:36px;margin:4px 0}.eRKCiW_leafGrid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;width:100%;margin-top:8px;display:grid}.eRKCiW_leafButton{background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);text-align:center;cursor:pointer;transition:all var(--transition-fast);flex-direction:column;gap:4px;padding:8px;display:flex}.eRKCiW_leafButton:hover{border-color:var(--color-border-medium);transform:translateY(-1px)}.eRKCiW_leafActive{border-color:var(--color-accent-primary);background-color:var(--color-accent-subtle);box-shadow:0 0 0 2px #0284c733}.eRKCiW_leafTitle{color:var(--color-text-primary);font-size:.72rem;font-weight:600}.eRKCiW_leafHash{font-family:var(--font-mono);color:var(--color-text-muted);font-size:.68rem}.eRKCiW_proofBox{color:var(--color-text-secondary);background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);margin-top:14px;padding:10px 14px;font-size:.78rem;line-height:1.5}.eRKCiW_chainRow{justify-content:space-between;align-items:center;gap:12px;padding:10px 0;display:flex;overflow-x:auto}.eRKCiW_blockCard{background-color:var(--color-surface-inset);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);min-width:200px;transition:all var(--transition-normal);flex:1;padding:14px}.eRKCiW_blockTag{color:var(--color-text-primary);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.76rem;font-weight:700;display:flex}.eRKCiW_blockField{justify-content:space-between;margin-bottom:4px;font-size:.72rem;display:flex}.eRKCiW_fieldLabel{color:var(--color-text-muted)}.eRKCiW_blockDigest{border-top:1px dashed var(--color-border-subtle);justify-content:space-between;align-items:center;margin-top:8px;padding-top:8px;font-size:.72rem;display:flex}.eRKCiW_validHash{color:var(--color-success);font-weight:600}.eRKCiW_invalidHash{color:var(--color-danger);font-weight:700}.eRKCiW_blockTampered{border-color:var(--color-danger-border);background-color:var(--color-danger-bg)}.eRKCiW_blockBroken{border-color:var(--color-warning-border);background-color:var(--color-warning-bg)}.eRKCiW_chainArrow{color:var(--color-border-strong);font-size:1.4rem;font-weight:700}.eRKCiW_statusValid{color:var(--color-success);font-weight:600}.eRKCiW_statusInvalid{color:var(--color-danger);font-weight:700}.eRKCiW_ladderContainer{background-color:var(--color-surface-inset);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:12px;display:flex}.eRKCiW_ladderSection{flex-direction:column;gap:3px;display:flex}.eRKCiW_ladderHeaderRow{text-transform:uppercase;color:var(--color-text-faint);grid-template-columns:2fr 1.5fr 1.5fr;padding:4px 10px;font-size:.68rem;font-weight:700;display:grid}.eRKCiW_ladderRow{font-family:var(--font-mono);border-radius:var(--radius-xs);grid-template-columns:2fr 1.5fr 1.5fr;align-items:center;padding:6px 10px;font-size:.78rem;display:grid;position:relative;overflow:hidden}.eRKCiW_askRow{background-color:var(--color-ask-bg)}.eRKCiW_bidRow{background-color:var(--color-bid-bg)}.eRKCiW_depthBarAsk{pointer-events:none;background-color:#e11d481f;position:absolute;top:0;bottom:0;right:0}.eRKCiW_depthBarBid{pointer-events:none;background-color:#0596691f;position:absolute;top:0;bottom:0;right:0}.eRKCiW_priceAsk{color:var(--color-ask);z-index:1;font-weight:600}.eRKCiW_priceBid{color:var(--color-bid);z-index:1;font-weight:600}.eRKCiW_sizeCell,.eRKCiW_totalCell{color:var(--color-text-secondary);z-index:1}.eRKCiW_midSpreadRow{background-color:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);color:var(--color-text-muted);justify-content:space-between;align-items:center;padding:8px 10px;font-size:.74rem;display:flex}.eRKCiW_midPrice{font-family:var(--font-mono);color:var(--color-text-primary);font-weight:700}.eRKCiW_spreadBadge{font-family:var(--font-mono);color:var(--color-text-secondary);background:var(--color-surface-inset);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xs);padding:4px 8px;font-size:.74rem;font-weight:600}.eRKCiW_geometryLadder{background-color:var(--color-surface-inset);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);flex-direction:column;gap:12px;padding:16px;display:flex}.eRKCiW_geometryTier{background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:14px;display:flex}.eRKCiW_tierTp{border-left:4px solid var(--color-success)}.eRKCiW_tierEntry{border-left:4px solid var(--color-accent-primary);background-color:var(--color-accent-subtle)}.eRKCiW_tierStop{border-left:4px solid var(--color-danger)}.eRKCiW_tierTag{color:var(--color-text-secondary);font-size:.76rem;font-weight:700}.eRKCiW_tierPrice{font-family:var(--font-mono);color:var(--color-text-primary);font-size:1.1rem;font-weight:700}.eRKCiW_tierDiff{font-family:var(--font-mono);color:var(--color-text-muted);font-size:.76rem}
.ogcGrW_readerContainer{max-width:var(--reader-max-width);margin:0 auto;padding:20px 16px 48px}@media (min-width:768px){.ogcGrW_readerContainer{padding:32px 24px 60px}}.ogcGrW_scrubBar{top:var(--nav-height);z-index:40;background-color:#0000;height:3px;position:fixed;left:0;right:0}.ogcGrW_scrubProgress{background:linear-gradient(90deg, var(--color-accent-primary), var(--color-retention));height:100%;transition:width 80ms ease-out}.ogcGrW_breadcrumbs{color:var(--color-text-muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;font-size:.76rem;display:flex}.ogcGrW_breadcrumbLink{color:var(--color-text-secondary);font-weight:500;text-decoration:none}.ogcGrW_breadcrumbLink:hover{color:var(--color-accent-primary)}.ogcGrW_breadcrumbSep{color:var(--color-border-strong)}.ogcGrW_breadcrumbCurrent{color:var(--color-text-primary);font-weight:600}.ogcGrW_articleHeader{margin-bottom:32px}.ogcGrW_articleMetaRow{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;display:flex}.ogcGrW_readTimeBadge{color:var(--color-text-muted);background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-pill);padding:3px 8px;font-size:.72rem;font-weight:600}.ogcGrW_articleTitle{letter-spacing:-.03em;color:var(--color-text-primary);margin-bottom:10px;font-size:1.55rem;font-weight:700;line-height:1.25}@media (min-width:640px){.ogcGrW_articleTitle{margin-bottom:12px;font-size:2.1rem;line-height:1.2}}.ogcGrW_articleSubtitle{color:var(--color-text-secondary);font-size:.95rem;font-weight:400;line-height:1.5}@media (min-width:640px){.ogcGrW_articleSubtitle{font-size:1.05rem}}.ogcGrW_tldrBlock{background-color:var(--color-surface-base);border:1px solid var(--color-accent-border);border-left:4px solid var(--color-accent-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);margin-bottom:36px;padding:16px 20px}.ogcGrW_tldrTitle{text-transform:uppercase;letter-spacing:.06em;color:var(--color-accent-primary);margin-bottom:6px;font-size:.72rem;font-weight:700}.ogcGrW_tldrText{color:var(--color-text-primary);font-size:.92rem;font-weight:500;line-height:1.6}.ogcGrW_definitionCard{background-color:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);margin:28px 0;padding:18px 20px}.ogcGrW_defTerm{font-family:var(--font-display);color:var(--color-text-primary);margin-bottom:8px;font-size:1.05rem;font-weight:700}.ogcGrW_defDesc{color:var(--color-text-secondary);margin-bottom:12px;font-size:.9rem;line-height:1.6}.ogcGrW_invariantList{flex-direction:column;gap:6px;padding-left:0;list-style:none;display:flex}.ogcGrW_invariantItem{color:var(--color-text-secondary);align-items:baseline;gap:8px;font-size:.82rem;display:flex}.ogcGrW_invariantDot{color:var(--color-success);font-weight:700}.ogcGrW_formulaCard{background-color:var(--color-surface-inset);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);margin:28px 0;padding:20px}.ogcGrW_formulaHeader{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.ogcGrW_formulaTitle{text-transform:uppercase;color:var(--color-text-primary);letter-spacing:.04em;font-size:.8rem;font-weight:700}.ogcGrW_formulaMath{font-family:var(--font-mono);color:var(--color-accent-primary);background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);margin-bottom:14px;padding:12px 16px;font-size:1.05rem;font-weight:600;overflow-x:auto}.ogcGrW_paramsGrid{color:var(--color-text-muted);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;font-size:.78rem;display:grid}.ogcGrW_paramItem{align-items:baseline;gap:6px;display:flex}.ogcGrW_paramSymbol{font-family:var(--font-mono);color:var(--color-text-primary);font-weight:600}.ogcGrW_derivationExample{color:var(--color-text-secondary);border-left:3px solid var(--color-accent-primary);border-radius:0 var(--radius-xs) var(--radius-xs) 0;background:#0284c70d;margin-top:12px;padding:8px 12px;font-size:.78rem}.ogcGrW_articleBody section{margin-bottom:32px}.ogcGrW_sectionHeading{font-family:var(--font-display);color:var(--color-text-primary);letter-spacing:-.02em;margin-bottom:12px;font-size:1.35rem;font-weight:700}.ogcGrW_proseParagraph{color:var(--color-text-secondary);margin-bottom:14px;font-size:.96rem;line-height:1.7}.ogcGrW_calloutBlock{border-radius:var(--radius-md);margin:20px 0;padding:16px;font-size:.88rem;line-height:1.6}.ogcGrW_calloutInvariant{background-color:var(--color-success-bg);border:1px solid var(--color-success-border);color:var(--color-success-text)}.ogcGrW_calloutTrap{background-color:var(--color-danger-bg);border:1px solid var(--color-danger-border);color:var(--color-danger-text)}.ogcGrW_calloutProof{background-color:var(--color-surface-subtle);border:1px solid var(--color-border-subtle);color:var(--color-text-primary)}.ogcGrW_calloutHeading{text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;font-size:.82rem;font-weight:700}.ogcGrW_inlineCheckContainer{background-color:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin:36px 0;padding:24px}.ogcGrW_inlineCheckHeader{align-items:center;gap:10px;margin-bottom:12px;display:flex}.ogcGrW_inlineCheckTitle{color:var(--color-text-primary);font-size:.82rem;font-weight:700}.ogcGrW_inlineCheckPrompt{color:var(--color-text-primary);margin-bottom:16px;font-size:.95rem;font-weight:500;line-height:1.5}.ogcGrW_optionsList{flex-direction:column;gap:8px;display:flex}.ogcGrW_optionBtn{border-radius:var(--radius-md);text-align:left;transition:all var(--transition-fast);align-items:center;gap:12px;padding:12px 14px;font-size:.88rem;display:flex}.ogcGrW_optionNormal{background:var(--color-surface-inset);border:1px solid var(--color-border-subtle);color:var(--color-text-secondary)}.ogcGrW_optionNormal:hover{background:var(--color-surface-base);border-color:var(--color-border-medium);color:var(--color-text-primary)}.ogcGrW_optionSelected{background:var(--color-accent-subtle);border:1px solid var(--color-accent-primary);color:var(--color-accent-hover);font-weight:600}.ogcGrW_optionCorrect{background:var(--color-success-bg);border:1px solid var(--color-success);color:var(--color-success-text);font-weight:600}.ogcGrW_optionIncorrect{background:var(--color-danger-bg);border:1px solid var(--color-danger);color:var(--color-danger-text)}.ogcGrW_optionKey{font-family:var(--font-mono);background:var(--color-surface-base);border:1px solid var(--color-border-subtle);border-radius:var(--radius-xs);flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:.74rem;font-weight:700;display:flex}.ogcGrW_optionText{flex:1}.ogcGrW_feedbackBox{border-radius:var(--radius-md);margin-top:16px;padding:14px;font-size:.84rem;line-height:1.5}.ogcGrW_feedbackCorrect{background:var(--color-success-bg);border:1px solid var(--color-success-border);color:var(--color-success-text)}.ogcGrW_feedbackIncorrect{background:var(--color-danger-bg);border:1px solid var(--color-danger-border);color:var(--color-danger-text)}.ogcGrW_feedbackTitle{margin-bottom:4px;font-size:.86rem;font-weight:700}.ogcGrW_completionFooter{border-top:1px solid var(--color-border-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:48px;padding-top:24px;display:flex}.ogcGrW_completedBadge{color:var(--color-success);align-items:center;gap:8px;font-size:.84rem;font-weight:600;display:inline-flex}