body.tool-quick-nav-open{overflow:hidden}.tool-page-main{min-width:0;overflow-x:clip}.tool-page-main section[id],.tool-page-main nav[id]{scroll-margin-top:calc(5.5rem + var(--space-4))}.tool-quick-nav-sheet{border:1px solid color-mix(in oklab,var(--border) 92%,transparent);border-radius:calc(var(--border-radius) + 6px);background:linear-gradient(180deg,color-mix(in oklab,var(--surface) 97%,var(--background)),color-mix(in oklab,var(--surface) 88%,var(--background)));box-shadow:0 20px 44px rgba(16,24,40,8%)}.tool-quick-nav-sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}.tool-page-quick-nav-heading{display:grid;gap:.4rem}.tool-page-quick-nav-kicker{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted)}.tool-page-quick-nav-heading h2{margin:0;font-size:1.04rem}.tool-quick-nav-close{width:2.5rem;height:2.5rem;display:inline-flex;align-items:center;justify-content:center;flex:none;border:1px solid color-mix(in oklab,var(--border) 85%,transparent);border-radius:999px;background:color-mix(in oklab,var(--surface) 88%,var(--background));color:var(--text-main);cursor:pointer;transition:transform var(--transition-speed)ease,border-color var(--transition-speed)ease,background var(--transition-speed)ease}.tool-quick-nav-close:hover,.tool-quick-nav-close:focus-visible{transform:translateY(-1px);border-color:color-mix(in oklab,var(--primary) 28%,var(--border));background:color-mix(in oklab,var(--surface) 84%,var(--primary))}.tool-quick-nav-close:focus-visible{outline:2px solid color-mix(in oklab,var(--primary) 28%,transparent);outline-offset:2px}.tool-quick-nav-close svg,.tool-quick-nav-fab svg{display:block;width:1.1rem;height:1.1rem;pointer-events:none}.tool-quick-nav-fab 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var(--space-4);margin-bottom:var(--space-1);background:linear-gradient(180deg,color-mix(in oklab,var(--surface) 98%,var(--background)) 0%,color-mix(in oklab,var(--surface) 95%,var(--background)) 78%,color-mix(in oklab,var(--surface) 95%,transparent) 100%);border-bottom:1px solid color-mix(in oklab,var(--border) 85%,transparent)}.tool-quick-nav-panel-groups{display:grid;gap:var(--space-4);padding-bottom:var(--space-2)}.tool-quick-nav-group{display:grid;gap:.72rem}.tool-quick-nav-group-primary{padding:.8rem;border-radius:calc(var(--border-radius) + 2px);border:1px solid color-mix(in oklab,var(--primary) 12%,var(--border));background:color-mix(in oklab,var(--surface) 90%,var(--background))}.tool-quick-nav-action-links{display:flex;flex-wrap:wrap;gap:.55rem}.tool-page-quick-nav-links{display:grid;gap:.36rem}.tool-page-quick-nav-link{display:block;padding:.72rem .85rem;border-radius:1rem;border:1px solid transparent;color:var(--text-muted);text-decoration:none;transition:transform 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.35rem));width:3.25rem;height:3.25rem;display:inline-flex;align-items:center;justify-content:center;gap:0;padding:0;border:1px solid color-mix(in oklab,var(--primary) 16%,var(--border));border-radius:999px;background:color-mix(in oklab,var(--primary) 90%,var(--background));color:var(--background);box-shadow:0 16px 28px rgba(0,0,0,.18),0 4px 10px rgba(0,0,0,.12);cursor:pointer;z-index:1590;overflow:hidden;opacity:.96;transition:width var(--transition-speed)ease,padding var(--transition-speed)ease,gap var(--transition-speed)ease,transform var(--transition-speed)ease,box-shadow var(--transition-speed)ease,opacity var(--transition-speed)ease,background var(--transition-speed)ease}.tool-quick-nav-fab:hover,.tool-quick-nav-fab:focus-visible{transform:translateY(-2px);box-shadow:0 20px 34px rgba(0,0,0,.2),0 8px 16px rgba(0,0,0,.14)}.tool-quick-nav-fab:focus-visible{outline:none;transform:translateY(-1px);box-shadow:0 0 0 4px color-mix(in oklab,var(--primary) 16%,transparent),0 18px 32px 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.9rem}.tool-quick-nav-fab-text{display:block;max-width:0;opacity:0;transition:max-width var(--transition-speed)ease,opacity var(--transition-speed)ease}.tool-quick-nav-fab:hover .tool-quick-nav-fab-text,.tool-quick-nav-fab:focus-visible .tool-quick-nav-fab-text,.tool-quick-nav-fab.is-extended .tool-quick-nav-fab-text{max-width:6rem;opacity:1}.tool-quick-nav-sheet{left:max(1rem,calc(env(safe-area-inset-left) + .35rem));right:auto;width:min(24rem,calc(100vw - 2rem));border-top-left-radius:calc(var(--border-radius) + 6px);border-bottom-left-radius:calc(var(--border-radius) + 6px);border-top-right-radius:calc(var(--border-radius) + 6px);border-bottom-right-radius:calc(var(--border-radius) + 6px)}}@media(max-width:640px){.tool-quick-nav-fab{left:max(.85rem,calc(env(safe-area-inset-left) + .3rem));right:auto;bottom:max(.85rem,calc(env(safe-area-inset-bottom) + .3rem));width:3rem;height:3rem}.tool-quick-nav-action-links{gap:.5rem}}.tool-quick-nav-drawer.is-open .tool-quick-nav-backdrop{opacity:1}.tool-quick-nav-drawer.is-open .tool-quick-nav-sheet{transform:translateX(0)}body.tool-quick-nav-open .desktop-side-banner-left{opacity:0;pointer-events:none;transform:translateX(-10px)}.tool-page-main .is-quick-nav-target{box-shadow:0 0 0 3px color-mix(in oklab,var(--primary) 12%,transparent),0 18px 40px rgba(16,24,40,6%);transition:box-shadow 220ms ease}.tool-intro-details>summary{list-style:none}.tool-intro-details>summary::-webkit-details-marker{display:none}.tool-intro-summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);cursor:pointer;user-select:none}.tool-intro-summary:hover .tool-intro-heading{color:var(--primary)}.tool-intro-summary:hover .tool-intro-chevron{color:var(--primary)}.tool-intro-summary:focus-visible{outline:2px solid 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var(--border);border-radius:var(--border-radius-sm);background:color-mix(in oklab,var(--background) 82%,var(--surface));font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,liberation mono,monospace;font-size:.92rem;overflow-x:auto}.tool-how-to-list{margin:0;padding-left:1.25rem;display:grid;gap:var(--space-4)}.tool-how-to-list.is-unordered{list-style:disc}.tool-how-to-step article{display:grid;gap:var(--space-2)}.tool-how-to-step h3,.tool-example-card h3,.tool-learning-card h3{margin:0 0 var(--space-2);font-size:1rem}.tool-how-to-step p,.tool-example-card p,.tool-learning-list p{margin:0}.tool-example-grid,.tool-learning-grid:not(.horizontal-scroll-grid){display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-3)}.tool-example-card,.tool-learning-card{border:1px solid var(--border);border-radius:var(--border-radius-sm);background:color-mix(in oklab,var(--surface) 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.9rem;border-radius:999px;border:1px solid color-mix(in oklab,var(--border) 88%,var(--background));background:color-mix(in oklab,var(--surface) 94%,var(--background));color:var(--text-main);text-decoration:none;transition:transform var(--transition-speed)ease,border-color var(--transition-speed)ease,background var(--transition-speed)ease}.tool-support-jump-link:hover{transform:translateY(-1px);border-color:color-mix(in oklab,var(--primary) 28%,var(--border));background:color-mix(in oklab,var(--surface) 90%,var(--primary))}.tool-support-jump-link:focus-visible{outline:2px solid color-mix(in oklab,var(--primary) 34%,transparent);outline-offset:2px}.tool-example-inputs{margin:0;display:grid;gap:var(--space-2)}.tool-example-kicker{margin:0;font-size:.77rem;color:var(--text-muted);font-weight:700;letter-spacing:.04em;text-transform:uppercase}.tool-example-input-row{display:grid;grid-template-columns:minmax(100px,1fr)1.35fr;gap:var(--space-3);align-items:start}.tool-example-input-row dt{font-weight:600;color:var(--text-main)}.tool-example-input-row dd{margin:0;color:var(--text-muted)}.tool-example-result strong{color:var(--text-main)}.tool-example-actions{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:auto}.tool-learning-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-3)}.tool-learning-list li{display:grid;gap:var(--space-1)}.tool-learning-list a,.content-section .tool-learning-list a{font-weight:600;color:color-mix(in oklab,var(--text-main) 92%,var(--primary));text-decoration-line:underline;text-decoration-thickness:1px;text-underline-offset:.18em;text-decoration-color:color-mix(in oklab,var(--text-muted) 42%,transparent);border-bottom:0;width:fit-content;transition:color var(--transition-speed)ease,text-decoration-color var(--transition-speed)ease}.tool-learning-list a:hover,.tool-learning-list a:focus-visible,.content-section .tool-learning-list a:hover,.content-section .tool-learning-list a:focus-visible{color:var(--text-main);text-decoration-color:color-mix(in oklab,var(--text-main) 36%,transparent)}.tool-learning-list p{color:var(--text-muted);font-size:.92rem}.tool-learning-cta{width:fit-content}.cross-category-panel{background:radial-gradient(circle at top right,color-mix(in oklab,#d97706 10%,transparent),transparent 44%),linear-gradient(180deg,color-mix(in oklab,var(--surface) 96%,var(--background)),color-mix(in oklab,var(--surface) 84%,var(--background)))}.cross-category-head{margin-bottom:var(--space-4)}.cross-category-title-row{display:flex;align-items:center;gap:1rem}.cross-category-title-icon,.cross-category-icon{display:inline-flex;align-items:center;justify-content:center;flex:none}.cross-category-title-icon{width:3rem;height:3rem;border-radius:1rem;background:color-mix(in oklab,#d97706 12%,var(--surface));color:#d97706}.cross-category-copy h2,.cross-category-copy h3,.cross-category-copy p,.cross-category-card h4,.cross-category-card p{margin:0}.cross-category-copy p{max-width:72ch}.cross-category-grid.horizontal-scroll-grid{--rail-gap:var(--space-3)}.cross-category-card{display:grid;gap:.9rem;min-height:100%;padding:var(--space-4);border-radius:calc(var(--border-radius-sm) + 4px);border:1px solid color-mix(in oklab,var(--item-accent) 18%,var(--border));background:linear-gradient(180deg,color-mix(in oklab,var(--item-accent) 6%,var(--surface)),color-mix(in oklab,var(--surface) 88%,var(--background)));color:inherit;text-decoration:none;transition:transform var(--transition-speed)ease,border-color var(--transition-speed)ease,box-shadow var(--transition-speed)ease}.cross-category-card:hover,.cross-category-card:focus-visible{transform:translateY(-2px);border-color:color-mix(in oklab,var(--item-accent) 34%,var(--border));box-shadow:var(--shadow-md);text-decoration:none}.cross-category-card.is-featured{grid-column:span 2}.cross-category-card-top{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}.cross-category-icon{width:2.55rem;height:2.55rem;border-radius:.95rem;background:color-mix(in oklab,var(--item-accent) 14%,var(--surface));color:var(--item-accent)}.cross-category-chip{display:inline-flex;align-items:center;min-height:1.75rem;padding:.18rem .6rem;border-radius:999px;background:color-mix(in oklab,var(--item-accent) 12%,var(--surface));color:var(--item-accent);font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.cross-category-card p{color:var(--text-muted);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cross-category-cta{margin-top:auto;color:var(--item-accent);font-weight:700}.tool-hero-minimal{gap:var(--space-2)}.tool-hero-minimal.section-container{margin-bottom:var(--space-5)}.tool-hero-minimal h1{margin-bottom:0}.tool-hero-updated{margin:0;font-size:.82rem;color:var(--text-muted);display:inline-flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.35rem}.tool-hero-updated time{font-weight:500}.tool-hero-version{font-weight:600}.tool-hero-dot{opacity:.8}.formula-highlight{background:linear-gradient(180deg,color-mix(in oklab,var(--surface) 92%,transparent),var(--surface)),repeating-linear-gradient( 135deg,color-mix(in oklab,var(--border) 18%,transparent) 0 7px,transparent 7px 14px )}.formula-highlight-title{font-size:1.03rem;margin-bottom:var(--space-3)}.formula-highlight-list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}.formula-highlight-row{display:grid;grid-template-columns:minmax(130px,170px)1fr;gap:var(--space-3);align-items:center}.formula-highlight-label{font-size:.8rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.formula-highlight-math{display:inline-flex;align-items:center;width:fit-content;max-width:100%;padding:.24rem .5rem;border:1px solid var(--border);border-radius:var(--border-radius-sm);background:color-mix(in oklab,var(--background) 82%,var(--surface));color:var(--text-main);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,liberation mono,monospace;font-size:.92rem;overflow-x:auto}.common-mistakes-list{display:grid;gap:var(--space-2)}.common-mistakes-list strong{color:var(--text-main)}.tool-content-layout{display:block}.tool-content-layout-secondary{margin-top:var(--space-6);padding-top:var(--space-6);border-top:1px solid color-mix(in oklab,var(--border) 82%,transparent)}.tool-content-main{min-width:0}.content-section a{color:color-mix(in oklab,var(--text-main) 88%,var(--primary));text-decoration:none;border-bottom:1px solid color-mix(in oklab,var(--text-muted) 42%,transparent);transition:color var(--transition-speed)ease,border-color var(--transition-speed)ease}.content-section a:visited{color:color-mix(in oklab,var(--text-main) 78%,var(--primary))}.content-section a:hover{color:var(--text-main);border-bottom-color:color-mix(in oklab,var(--text-main) 28%,transparent)}.content-section a:focus-visible{outline:2px solid color-mix(in oklab,var(--primary) 35%,transparent);outline-offset:2px;border-bottom-color:color-mix(in oklab,var(--text-main) 28%,transparent);border-radius:2px}@media(max-width:640px){.cross-category-panel{padding:var(--space-4)}.formula-highlight-row{grid-template-columns:1fr;gap:.32rem}.tool-example-input-row{grid-template-columns:1fr;gap:var(--space-1)}.tool-result-followup-grid{grid-template-columns:1fr}.tool-support-jump-nav{padding:var(--space-3)}.cross-category-title-row{align-items:flex-start}.cross-category-card.is-featured{grid-column:span 1}.tool-quick-nav-sheet{width:min(21rem,90vw);padding:var(--space-4)}}.tool-privacy-badge{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;margin-top:0;padding:.35rem .75rem;background:color-mix(in oklab,var(--surface) 60%,var(--background));border:1px solid var(--border);border-radius:999px;font-size:.8rem;color:var(--text-muted);font-weight:500}.tool-privacy-badge svg{color:var(--primary)}.tool-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--space-2);margin-bottom:var(--space-3);font-size:.85rem;color:var(--text-muted)}.tool-breadcrumb a{color:var(--text-muted);text-decoration:none;transition:color var(--transition-speed)ease}.tool-breadcrumb a:hover{color:var(--text-main)}.breadcrumb-separator{color:color-mix(in oklab,var(--text-muted) 50%,transparent);font-size:1.1em;line-height:1}.breadcrumb-current{font-weight:500;color:var(--text-main)}.tool-internal-link-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-3);margin-top:var(--space-3)}.tool-internal-link-card{display:flex;flex-direction:column;gap:.35rem;padding:var(--space-3)var(--space-4);border:1px solid var(--border);border-radius:var(--border-radius);background:var(--surface);text-decoration:none;transition:border-color var(--transition-speed)ease,background 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.5rem}.ratio-label{grid-column:1/-1}.ratio-track{grid-column:1/2}.ratio-value,.ratio-share{text-align:left}.salary-breakdown-grid{grid-template-columns:1fr}.chart-kpi-chip{font-size:.69rem}.post-result-math-cta-actions .btn{width:100%}}@media(max-width:480px){.insight-panel{padding:var(--space-3)}.insight-detail-switcher{padding:var(--space-3)}}.tool-example-card{min-width:0}.tool-example-card h3,.tool-example-card p,.tool-example-result,.tool-example-note,.tool-example-input-row dt,.tool-example-input-row dd{min-width:0;overflow-wrap:anywhere;word-break:break-word}