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var(--border-subtle);border-radius:var(--r-md);min-width:80px}.nerkh-stat-card__value{font-size:1.5rem;font-weight:800;letter-spacing:-.04em;font-family:inherit;color:var(--text-primary);line-height:1}.nerkh-stat-card__label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:500}.nerkh-stat-card--stale .nerkh-stat-card__value{color:var(--stale)}.nerkh-freshness{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2);max-width:1120px;margin:0 auto var(--sp-2);padding:var(--sp-3) var(--sp-8);background:var(--bg-surface);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);font-size:.8rem}.nerkh-freshness__label{color:var(--text-muted);font-weight:500}.nerkh-freshness__value{color:var(--text-secondary);font-family:inherit;font-size:.78rem}.nerkh-freshness__stats{display:flex;align-items:center;gap:var(--sp-2);margin-inline-start:auto}.nerkh-freshness__stat{color:var(--text-muted);font-size:.75rem}.nerkh-freshness__stat--stale{color:var(--stale)}.nerkh-freshness__sep{color:var(--text-faint);font-size:.7rem}.nerkh-page-body{display:flex;max-width:1120px;margin:0 auto;padding:var(--sp-8) var(--sp-8) 0;gap:var(--sp-6);align-items:flex-start}.nerkh-sidebar{flex:0 0 200px;position:sticky;top:72px}.nerkh-main{flex:1;min-width:0}.nerkh-cat-nav{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r-md);overflow:hidden}.nerkh-cat-nav__heading{padding:var(--sp-3) var(--sp-4);font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border-subtle)}.nerkh-cat-nav__list{list-style:none}.nerkh-cat-nav__item+.nerkh-cat-nav__item{border-top:1px solid var(--border-subtle)}.nerkh-cat-nav__link{display:flex;justify-content:space-between;align-items:center;padding:var(--sp-3) var(--sp-4);text-decoration:none;transition:background var(--t-fast);gap:var(--sp-2)}.nerkh-cat-nav__link:hover{background:var(--bg-hover);text-decoration:none}.nerkh-cat-nav__link:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.nerkh-cat-nav__title{font-size:.85rem;font-weight:500;color:var(--text-secondary);transition:color var(--t-fast)}.nerkh-cat-nav__link:hover .nerkh-cat-nav__title{color:var(--text-primary)}.nerkh-cat-nav__count{font-size:.7rem;font-weight:600;font-family:var(--font-mono);color:var(--text-faint);background:var(--bg-elevated);padding:1px 6px;border-radius:var(--r-pill);border:1px solid var(--border-subtle);flex-shrink:0}.nerkh-search-wrapper{position:relative;margin-bottom:var(--sp-6)}.nerkh-search-wrapper:before{content:"⌕";position:absolute;inset-block-start:50%;inset-inline-start:var(--sp-4);transform:translateY(-50%);color:var(--text-muted);font-size:1rem;pointer-events:none;line-height:1}.nerkh-search{width:100%;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--r-md);color:var(--text-primary);font-size:.9rem;padding:var(--sp-3) var(--sp-4) var(--sp-3) calc(var(--sp-4) * 2 + 1rem);font-family:inherit;outline:none;transition:border-color var(--t-fast),box-shadow var(--t-fast)}html[dir=rtl] .nerkh-search{padding-right:calc(var(--sp-4) * 2 + 1rem);padding-left:var(--sp-4)}html[dir=rtl] .nerkh-search-wrapper:before{inset-inline-start:auto;inset-inline-end:var(--sp-4)}.nerkh-search::placeholder{color:var(--text-muted)}.nerkh-search:focus{border-color:var(--border-accent);box-shadow:0 0 0 3px var(--accent-dim)}.nerkh-search-empty{text-align:center;color:var(--text-muted);font-size:.875rem;padding:var(--sp-8)}.nerkh-rates{max-width:1120px;margin:0 auto;padding:0 var(--sp-8) var(--sp-12)}.nerkh-rates__title{font-size:1.2rem;font-weight:700;margin-bottom:var(--sp-6);color:var(--text-primary)}.nerkh-rates__placeholder{color:var(--text-muted);font-size:.9rem;padding:var(--sp-8);border:1px dashed var(--border-subtle);border-radius:var(--r-md);text-align:center}.nerkh-rate-category{margin-bottom:var(--sp-10);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r-lg);overflow:hidden}.nerkh-rate-category__header{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-4) var(--sp-5);border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated)}.nerkh-rate-category__title{font-size:.875rem;font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.nerkh-rate-category__count{font-size:.7rem;font-weight:600;font-family:var(--font-mono);color:var(--text-muted);background:var(--bg-card);padding:2px 8px;border-radius:var(--r-pill);border:1px solid var(--border-subtle)}.nerkh-rate-category__empty{color:var(--text-muted);font-size:.875rem;padding:var(--sp-8);text-align:center}.nerkh-rate-table-wrapper{overflow-x:auto}.nerkh-rate-table{width:100%;border-collapse:collapse;font-size:.875rem}.nerkh-rate-table__th{padding:var(--sp-2) var(--sp-4);font-size:.65rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;background:var(--bg-elevated);white-space:nowrap;border-bottom:1px solid var(--border-subtle)}html[dir=ltr] .nerkh-rate-table__th{text-align:left}html[dir=rtl] .nerkh-rate-table__th,html[dir=ltr] .nerkh-rate-table__th--price,html[dir=ltr] .nerkh-rate-table__th--change,html[dir=ltr] .nerkh-rate-table__th--updated{text-align:right}html[dir=rtl] .nerkh-rate-table__th--price,html[dir=rtl] .nerkh-rate-table__th--change,html[dir=rtl] .nerkh-rate-table__th--updated{text-align:left}.nerkh-rate-row{border-bottom:1px solid var(--border-subtle);transition:background var(--t-fast)}.nerkh-rate-row:last-child{border-bottom:none}.nerkh-rate-row:hover{background:var(--bg-hover)}.nerkh-rate-row--stale{opacity:.7}.nerkh-rate-table__td{padding:var(--sp-3) var(--sp-4);vertical-align:middle}html[dir=ltr] .nerkh-rate-table__td{text-align:left}html[dir=rtl] .nerkh-rate-table__td,html[dir=ltr] .nerkh-rate-table__td--price,html[dir=ltr] .nerkh-rate-table__td--change,html[dir=ltr] .nerkh-rate-table__td--updated{text-align:right}html[dir=rtl] .nerkh-rate-table__td--price,html[dir=rtl] .nerkh-rate-table__td--change,html[dir=rtl] .nerkh-rate-table__td--updated{text-align:left}.nerkh-rate-table__td--name{min-width:150px}.nerkh-rate-table__td--price{white-space:nowrap;min-width:130px}.nerkh-rate-table__td--change{white-space:nowrap;min-width:140px}.nerkh-rate-table__td--updated{white-space:nowrap}.nerkh-rate-name-cell{display:flex;align-items:center;gap:var(--sp-2)}.nerkh-rate-name{font-weight:500;color:var(--text-primary);font-size:.875rem}.nerkh-rate-price{font-family:inherit;font-weight:700;font-size:.9rem;color:var(--text-primary);letter-spacing:-.02em;margin-inline-end:var(--sp-1)}.nerkh-rate-unit{font-size:.7rem;color:var(--text-muted);font-weight:500}.nerkh-rate-change{display:inline-flex;align-items:center;justify-content:flex-end;gap:4px;font-size:.8rem;font-family:inherit}html[dir=rtl] .nerkh-rate-change{justify-content:flex-start}.nerkh-rate-change__arrow{font-size:.7rem;line-height:1}.nerkh-rate-change__value{letter-spacing:-.01em}.nerkh-rate-change__pct{font-size:.72rem;opacity:.8}.nerkh-rate-change--up{color:var(--positive)}.nerkh-rate-change--down{color:var(--negative)}.nerkh-rate-change--flat,.nerkh-rate-change--unknown{color:var(--text-muted)}.nerkh-rate-change--none{color:var(--text-faint)}.nerkh-rate-updated{font-size:.72rem;color:var(--text-secondary);font-family:inherit}.nerkh-stale-badge{display:inline-flex;align-items:center;padding:0 5px;height:16px;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--stale);border:1px solid rgba(251,191,36,.35);border-radius:var(--r-xs);background:var(--stale-dim);vertical-align:middle;cursor:help;flex-shrink:0}.nerkh-chart{max-width:1120px;margin:0 auto;padding:0 var(--sp-8) var(--sp-10)}.nerkh-chart-card{background:var(--bg-surface);border:1px solid 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var(--border-subtle);border-radius:var(--r-sm);padding:2px 8px}.nerkh-chart-card__body{padding:var(--sp-4) var(--sp-5) var(--sp-3);min-height:200px;position:relative;display:flex;align-items:stretch;overflow:hidden}.nerkh-chart-svg-wrapper{display:flex;align-items:stretch;gap:var(--sp-3);width:100%}.nerkh-chart-y-labels{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;font-size:.65rem;font-family:var(--font-mono);color:var(--text-muted);padding:0;min-width:0;flex-shrink:0}.nerkh-chart-y-label{white-space:nowrap}.nerkh-chart-svg{flex:1;width:100%;height:180px;display:block}.nerkh-chart-guide{stroke:var(--border-subtle);stroke-width:1}.nerkh-chart-guide--mid{stroke-dasharray:4 4;opacity:.5}.nerkh-chart-no-data{font-size:.8rem;color:var(--text-muted);margin:auto;text-align:center}.nerkh-chart-card__footer{padding:var(--sp-3) var(--sp-5);border-top:1px solid var(--border-subtle);background:var(--bg-elevated);font-size:.72rem;color:var(--text-muted)}.nerkh-api-note{max-width:1120px;margin:0 auto;padding:0 var(--sp-8) var(--sp-10)}.nerkh-api-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--r-lg);overflow:hidden}.nerkh-api-card__header{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-4) var(--sp-5);border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated)}.nerkh-api-card__title{font-size:.875rem;font-weight:700;color:var(--text-primary)}.nerkh-api-card__body{padding:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-4)}.nerkh-api-card__note{font-size:.875rem;color:var(--text-secondary);line-height:1.65}.nerkh-api-card__endpoints{list-style:none;display:flex;flex-direction:column;gap:var(--sp-2)}.nerkh-api-card__endpoint{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-3);background:var(--bg-card);border:1px solid 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var(--border-subtle);border-radius:var(--r-md);overflow:hidden}.nerkh-disclaimer-card__header{padding:var(--sp-3) var(--sp-5);border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated);display:flex;align-items:center;gap:var(--sp-2)}.nerkh-disclaimer__title{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.nerkh-disclaimer-card__body{padding:var(--sp-4) var(--sp-5)}.nerkh-disclaimer__list{list-style:none;display:flex;flex-direction:column;gap:var(--sp-2)}.nerkh-disclaimer__item{color:var(--text-muted);font-size:.78rem;line-height:1.65;padding-inline-start:var(--sp-4);position:relative}.nerkh-disclaimer__item:before{content:"—";position:absolute;inset-inline-start:0;color:var(--text-faint);font-size:.65rem}.nerkh-footer{border-top:1px solid var(--border-subtle);margin-top:var(--sp-12);background:var(--bg-surface)}.nerkh-footer__inner{max-width:1120px;margin:0 auto;padding:var(--sp-6) var(--sp-8);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-3)}.nerkh-footer__left{display:flex;flex-direction:column;gap:var(--sp-1)}.nerkh-footer__brand{font-size:.875rem;font-weight:700;color:var(--text-secondary);letter-spacing:-.02em}.nerkh-footer__meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2);font-size:.75rem;color:var(--text-muted)}.nerkh-footer__sep{color:var(--text-faint)}.nerkh-footer__updated,.nerkh-footer__unit,.nerkh-footer__phase{font-size:.75rem;color:var(--text-muted);font-family:inherit}.nerkh-footer__right{display:flex;flex-direction:column;align-items:flex-end;gap:var(--sp-1)}.nerkh-footer__attribution{font-size:.72rem;color:var(--text-muted)}.nerkh-footer__disclaimer-short{font-size:.7rem;color:var(--text-faint)}html[dir=rtl] .nerkh-footer__right{align-items:flex-start}.nerkh-section{max-width:1120px;margin:0 auto;padding:0 var(--sp-8) var(--sp-10)}@media(max-width:900px){.nerkh-page-body{flex-direction:column;padding:var(--sp-4) var(--sp-4) 0;gap:var(--sp-4)}.nerkh-sidebar{position:static;flex:none;width:100%}.nerkh-cat-nav__list{display:flex;flex-direction:row;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.nerkh-cat-nav__list::-webkit-scrollbar{display:none}.nerkh-cat-nav__item{flex-shrink:0}.nerkh-cat-nav__item+.nerkh-cat-nav__item{border-top:none;border-inline-start:1px solid var(--border-subtle)}.nerkh-cat-nav__link{padding:var(--sp-3) var(--sp-4);gap:var(--sp-1)}}@media(max-width:640px){.nerkh-nav{padding:0 var(--sp-4)}.nerkh-hero{padding:var(--sp-10) var(--sp-4) var(--sp-6)}.nerkh-freshness{padding:var(--sp-3) var(--sp-4)}.nerkh-section,.nerkh-rates,.nerkh-chart,.nerkh-api-note,.nerkh-disclaimer{padding-left:var(--sp-4);padding-right:var(--sp-4)}.nerkh-footer__inner{padding:var(--sp-5) var(--sp-4)}.nerkh-footer__right{align-items:flex-start}.nerkh-hero__stats{gap:var(--sp-2)}.nerkh-stat-card{min-width:60px;padding:var(--sp-2) var(--sp-3)}.nerkh-stat-card__value{font-size:1.2rem}.nerkh-rate-table__th--updated,.nerkh-rate-table__td--updated{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:1ms!important;animation-duration:1ms!important}html{scroll-behavior:auto}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-xs)}