:root{--color-primary: #10b981;--color-primary-2: #06b6d4;--color-primary-hover: #059669;--color-primary-soft: #ecfdf5;--color-primary-border: rgba(16, 185, 129, .18);--gradient-brand: linear-gradient(135deg, #10b981, #06b6d4);--gradient-brand-text: linear-gradient(135deg, #10b981, #06b6d4);--color-fg: #0a0f1c;--color-muted: #64748b;--color-muted-light: #94a3b8;--color-fg-prose: #334155;--color-bg: #fafafa;--color-bg-soft: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--color-success: #22c55e;--color-success-bg: rgba(34, 197, 94, .08);--color-warning: #f97316;--color-warning-bg: rgba(249, 115, 22, .08);--color-danger: #ef4444;--color-danger-bg: rgba(239, 68, 68, .08);--color-info: #3b82f6;--color-info-bg: rgba(59, 130, 246, .08);--color-purple: #8b5cf6;--color-purple-bg: rgba(139, 92, 246, .08);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-serif: "Source Serif 4", Georgia, serif;--font-mono: "SF Mono", "Fira Code", monospace;--font-size-base: 16px;--line-height-base: 1.7;--leading-tight: 1.05;--leading-heading: 1.2;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.5rem;--text-5xl: 3rem;--text-display: 3.5rem;--text-hero: 6rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--container-narrow: 44rem;--container: 72rem;--container-wide: 80rem;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 24px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .08);--shadow-glow: 0 0 0 3px rgba(59, 130, 246, .1);--shadow-glow-primary: 0 0 0 4px rgba(16, 185, 129, .18);--shadow-cta: 0 8px 24px rgba(16, 185, 129, .25);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .4s ease-out;--transition-spring: .4s cubic-bezier(.34, 1.56, .64, 1);--ad-bg: #f8fafc;--ad-border: #cbd5e1;--ad-label-color: #94a3b8;--ad-min-height-top: 90px;--ad-min-height-inline: 250px;--ad-min-height-bottom: 90px}.tool-page{padding:var(--space-8) var(--space-4)}.tool-page .breadcrumb{font-size:.7rem;color:var(--color-muted-light);margin-bottom:var(--space-6);display:flex;align-items:center;gap:6px}.tool-page .breadcrumb a{color:var(--color-muted-light)}.tool-page .breadcrumb a:hover{color:var(--color-primary)}.page-header{margin-bottom:var(--space-8)}.page-cat{display:inline-block;padding:5px 12px;background:#6366f114;color:#6366f1;border-radius:var(--radius-full);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-4)}.page-header h1{font-size:clamp(2rem,4.5vw,3rem);margin-bottom:var(--space-4);letter-spacing:-.025em;line-height:1.1}.page-desc{font-size:var(--text-lg);color:var(--color-fg-prose);line-height:1.55;max-width:50ch;margin:0 0 var(--space-5)}.page-meta{display:flex;flex-wrap:wrap;gap:var(--space-2);font-size:12px;color:var(--color-muted);padding-top:var(--space-4);border-top:1px solid var(--color-border-light)}.tool-layout{display:grid;grid-template-columns:380px 1fr;gap:var(--space-6);align-items:start;margin-top:var(--space-6)}.tool-input-col{position:sticky;top:80px}.tool-result-col{display:flex;flex-direction:column;gap:var(--space-6);min-height:200px}.tool-result-col .result-card{margin-top:0}.chart-wrapper{margin-top:var(--space-6)}.chart-wrapper canvas{max-height:280px;display:block}@media (max-width: 1024px){.tool-layout{grid-template-columns:1fr}.tool-input-col{position:static}}.content-section{margin-top:var(--space-12);font-size:.95rem;color:var(--color-fg-prose);line-height:1.7}.content-section h2{font-size:var(--text-2xl);margin-bottom:var(--space-3)}.content-section ul,.content-section ol{padding-left:var(--space-5);margin:var(--space-3) 0}.content-section li{margin-bottom:var(--space-2)}.methodology{font-size:.8rem;color:var(--color-muted)}.methodology h2{font-size:1.1rem}.tool-input{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-4);overflow:hidden}.tool-input .row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}.tool-input label{display:flex;flex-direction:column;gap:var(--space-2)}.tool-input label>span{font-size:13px;font-weight:600;color:var(--color-fg)}.tool-input input[type=number],.tool-input select{padding:12px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-md);font-size:16px;font-weight:500;color:var(--color-fg);background:#fff;outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.tool-input input[type=number]:focus,.tool-input select:focus{border-color:var(--color-primary);box-shadow:var(--shadow-glow-primary)}.tool-input input[type=range]{padding:0}.tool-input button[type=submit]{padding:16px 24px;background:var(--gradient-brand);color:#fff;border:none;border-radius:var(--radius-md);font-weight:700;font-size:15px;box-shadow:var(--shadow-cta);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.tool-input button[type=submit]:hover{transform:translateY(-1px)}.tool-input .input-row{display:flex;gap:var(--space-2);align-items:center}.tool-input .input-row input{flex:1}.btn-sm{padding:var(--space-1) var(--space-2);font-size:.7rem;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius-sm);background:#fff;cursor:pointer;white-space:nowrap}.btn-sm:hover{border-color:var(--color-primary)}@media (max-width: 640px){.tool-input .row{grid-template-columns:1fr}.tool-input{padding:var(--space-5)}}.result-card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);overflow:hidden;margin-top:var(--space-8)}.result-card.hidden{display:none}.result-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:var(--color-primary-soft);color:var(--color-primary);border:1px solid var(--color-primary-border);border-radius:var(--radius-full);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-6)}.result-num-row{display:flex;align-items:baseline;gap:var(--space-5)}.result-num{font-size:var(--text-hero);font-weight:800;line-height:var(--leading-tight);letter-spacing:-.04em}.result-suffix{font-size:18px;font-weight:500;color:var(--color-muted);line-height:1.2}.result-desc{font-size:17px;color:var(--color-fg-prose);line-height:1.5;margin:0}.result-note{display:block;font-size:14px;color:var(--color-muted);line-height:1.5;margin:var(--space-1) 0 0}.result-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:var(--space-3)}.action-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-fg);font-size:14px;font-weight:600;cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast)}.action-btn:hover{border-color:var(--color-primary);background:var(--color-primary-soft)}.result-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--color-success-bg);color:var(--color-success);border:1px solid rgba(34,197,94,.2);border-radius:var(--radius-full);font-size:14px;font-weight:600;align-self:flex-start}.result-badge:before{content:"";width:8px;height:8px;background:currentColor;border-radius:50%}.result-badge.red{background:var(--color-danger-bg);color:var(--color-danger);border-color:#ef444433}.result-badge.orange{background:var(--color-warning-bg);color:var(--color-warning);border-color:#f9731633}.result-badge.gray{background:#64748b14;color:#475569;border-color:#64748b33}.result-badge.blue{background:var(--color-info-bg);color:var(--color-info);border-color:#3b82f633}.result-badge.green{background:var(--color-success-bg);color:var(--color-success);border-color:#22c55e33}.share-row{margin-top:var(--space-6);text-align:center}.share-btn,.btn-secondary{padding:var(--space-2) var(--space-5);background:var(--color-surface);color:var(--color-fg);border:1px solid rgba(0,0,0,.08);border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.share-btn:hover,.btn-secondary:hover{border-color:var(--color-primary)}.ref-table{margin-top:var(--space-8);background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-xs)}.ref-table.hidden{display:none}.ref-table h2{font-size:1.1rem;margin-bottom:var(--space-1)}.ref-sub{font-size:.8rem;color:var(--color-muted);margin-bottom:var(--space-4)}.table-wrap{overflow-x:auto}.ref-table table{width:100%;border-collapse:collapse;font-size:.8rem}.ref-table th,.ref-table td{padding:var(--space-2) var(--space-3);text-align:right;border-bottom:1px solid var(--color-border-light)}.ref-table th{font-weight:600;background:var(--color-bg);font-size:.7rem;color:var(--color-muted-light);text-transform:uppercase;letter-spacing:.04em}.ref-table td:first-child{text-align:left;font-weight:500}.ref-table .user-group{background:#3b82f60a;font-weight:500}.ref-table .user-group td:first-child:after{content:" ← You";color:var(--color-primary);font-size:.7rem}*,*:before,*:after{box-sizing:border-box}img{max-width:100%;height:auto;display:block}html{font-size:var(--font-size-base);line-height:var(--line-height-base);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-fg);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{font-family:var(--font-sans);line-height:var(--leading-heading);margin:0 0 var(--space-4);letter-spacing:-.02em;color:var(--color-fg)}h1{font-size:clamp(2.5rem,5vw,var(--text-display));font-weight:700;letter-spacing:-.03em}h2{font-size:var(--text-3xl);font-weight:700}h3{font-size:var(--text-2xl);font-weight:600;margin-top:var(--space-8)}h4{font-size:var(--text-xl);font-weight:600;margin-top:var(--space-6)}p{margin:0 0 var(--space-4)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;font-size:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.container{max-width:var(--container);margin:0 auto;padding:0 var(--space-6)}.container-narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 var(--space-6)}.container-wide{max-width:var(--container-wide);margin:0 auto;padding:0 var(--space-6)}.glass{background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.text-gradient{background:var(--gradient-brand-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:transparent}.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-primary)}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;background:var(--gradient-brand);color:#fff;border:none;border-radius:var(--radius-md);font-weight:700;font-size:.875rem;text-decoration:none;box-shadow:var(--shadow-cta);transition:transform var(--transition-fast),box-shadow var(--transition-fast);cursor:pointer}.btn-primary:hover{transform:translateY(-1px);color:#fff;text-decoration:none}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;background:var(--color-surface);color:var(--color-fg);border:1.5px solid 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var(--space-4)}h1{font-size:clamp(2rem,8vw,2.75rem)}h2{font-size:var(--text-2xl)}}.site-nav[data-astro-cid-4lunwx2e]{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--color-border-light)}.nav-inner[data-astro-cid-4lunwx2e]{max-width:var(--container-wide);margin:0 auto;padding:0 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1fr;gap:var(--space-10)}.brand[data-astro-cid-gcn2mc3v]{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--color-fg)}.brand-mark[data-astro-cid-gcn2mc3v]{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--gradient-brand);border-radius:8px;color:#fff;font-weight:800;font-size:16px}.brand-text[data-astro-cid-gcn2mc3v]{font-weight:700;font-size:15px;letter-spacing:-.02em}.footer-tagline[data-astro-cid-gcn2mc3v]{color:var(--color-muted);line-height:1.6;margin:var(--space-4) 0 0;max-width:32ch}.footer-col[data-astro-cid-gcn2mc3v]{display:flex;flex-direction:column;gap:var(--space-2)}.footer-label[data-astro-cid-gcn2mc3v]{font-size:11px;font-weight:700;color:var(--color-fg);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-3)}.footer-col[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{color:var(--color-muted);font-size:14px;padding:4px 0;text-decoration:none}.footer-col[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]:hover{color:var(--color-primary)}.footer-more[data-astro-cid-gcn2mc3v]{color:var(--color-primary)!important;font-weight:600}.footer-bottom[data-astro-cid-gcn2mc3v]{border-top:1px solid var(--color-border-light)}.footer-bottom-inner[data-astro-cid-gcn2mc3v]{max-width:var(--container-wide);margin:0 auto;padding:var(--space-5) var(--space-6);display:flex;justify-content:space-between;gap:var(--space-4);color:var(--color-muted-light);font-size:12px}.footer-bottom[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{color:var(--color-muted-light)}.footer-bottom[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]:hover{color:var(--color-primary)}@media (max-width: 768px){.footer-inner[data-astro-cid-gcn2mc3v]{grid-template-columns:1fr;gap:var(--space-8)}.footer-bottom-inner[data-astro-cid-gcn2mc3v]{flex-direction:column;gap:var(--space-2)}}