@import "./fonts.css";:root{--calc-bg-page:#0d1117;--calc-bg-page-alt:#0a0e1a;--calc-bg-card:#161b22;--calc-bg-card-elevated:#1c2333;--calc-bg-card-glass:#1e293bb3;--calc-bg-input:#21262d;--calc-bg-hover:#30363d;--calc-bg-glass:#ffffff08;--calc-bg-overlay:#0009;--calc-text-primary:#f8fafc;--calc-text-secondary:#cbd5e1;--calc-text-muted:#94a3b8;--calc-text-dim:#7b90a8;--calc-text-link:#58a6ff;--calc-cyan:#00f3ff;--calc-cyan-dim:#00f3ff26;--calc-purple:#bc13fe;--calc-purple-dim:#bc13fe26;--calc-purple-soft:#7b2cbf;--calc-gold:gold;--calc-gold-dim:#ffd7001f;--calc-teal:#00d1c1;--calc-teal-dim:#00d1c126;--calc-color-finance:gold;--calc-color-construction:#00d1c1;--calc-color-health:#7b2cbf;--calc-color-business:#007bff;--calc-color-daily:#2ecc71;--calc-color-math:#e74c3c;--calc-accent-success:#3fb950;--calc-accent-warning:#d29922;--calc-accent-danger:#f85149;--calc-accent-info:#58a6ff;--calc-border-default:#f0f6fc1a;--calc-border-subtle:#94a3b814;--calc-border-strong:#f0f6fc33;--calc-border-cyan:#00f3ff4d;--calc-border-purple:#bc13fe4d;--calc-border-gold:#ffd7004d;--calc-border-teal:#00d1c14d;--calc-shadow-sm:0 1px 3px #0000004d;--calc-shadow-card:0 4px 20px #0000004d, 0 1px 4px #0003;--calc-shadow-card-hover:0 8px 32px #00000073, 0 2px 8px #0000004d;--calc-shadow-lg:0 8px 40px #00000080, 0 2px 12px #0000004d;--calc-shadow-interactive:0 4px 16px #00000059;--calc-shadow-glow-cyan:0 0 24px #00f3ff2e, 0 0 8px #00f3ff1a;--calc-shadow-glow-purple:0 0 24px #bc13fe2e, 0 0 8px #bc13fe1a;--calc-shadow-glow-gold:0 0 24px #ffd70029, 0 0 8px #ffd70014;--calc-shadow-glow-cyan-sm:0 0 12px #00f3ff40;--calc-shadow-glow-purple-sm:0 0 12px #bc13fe40;--calc-ring-cyan:0 0 0 3px #00f3ff38, 0 0 0 1px #00f3ff80;--calc-ring-purple:0 0 0 3px #bc13fe33, 0 0 0 1px #bc13fe73;--calc-ring-gold:0 0 0 3px #ffd7002e, 0 0 0 1px #ffd70066;--calc-font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--calc-font-headline:"Plus Jakarta Sans", sans-serif;--calc-font-mono:"JetBrains Mono", "Roboto Mono", "Courier New", monospace;--calc-text-xs:.75rem;--calc-text-sm:.875rem;--calc-text-base:1rem;--calc-text-lg:1.125rem;--calc-text-xl:1.25rem;--calc-text-2xl:1.5rem;--calc-text-3xl:1.875rem;--calc-text-4xl:2.25rem;--calc-space-1:4px;--calc-space-2:8px;--calc-space-3:12px;--calc-space-4:16px;--calc-space-5:20px;--calc-space-6:24px;--calc-space-8:32px;--calc-space-10:40px;--calc-space-12:48px;--calc-space-14:56px;--calc-space-16:64px;--calc-max-width-page:1200px;--calc-max-width-calculator:680px;--calc-max-width-article:800px;--calc-radius-sm:6px;--calc-radius-md:12px;--calc-radius-lg:16px;--calc-radius-xl:20px;--calc-radius-pill:999px;--calc-transition:.25s cubic-bezier(.4, 0, .2, 1);--calc-transition-fast:.12s ease;--calc-transition-bounce:.4s cubic-bezier(.175, .885, .32, 1.275);--calc-transition-spring:.35s cubic-bezier(.34, 1.56, .64, 1);--calc-transition-smooth:.3s cubic-bezier(.25, .46, .45, .94);--re-bg-page:#07101f;--re-bg-primary:#0c1825;--re-bg-card:#111d2e;--re-bg-elevated:#162336;--re-bg-input:#0f1e30;--re-bg-glass:#0b182cb8;--re-bg-hover:#1c2d44;--re-bg-overlay:#040a16cc;--re-text-heading:#e8edf5;--re-text-body:#8fa5c8;--re-text-faint:#6b85a6;--re-text-mono:#c8d8f0;--re-gold:#f5a623;--re-gold-light:#f7c06e;--re-gold-dim:#f5a62324;--re-gold-glow:#f5a6234d;--re-emerald:#00c9a7;--re-emerald-dim:#00c9a724;--re-emerald-glow:#00c9a747;--re-indigo:#7875f0;--re-indigo-dim:#7875f024;--re-cyan:#00d4f5;--re-cyan-dim:#00d4f51f;--re-rose:#f87171;--re-rose-dim:#f8717124;--re-amber:#f59e0b;--re-border-card:#ffffff12;--re-border-input:#ffffff17;--re-border-focus:#f5a6238c;--re-border-top-gold:3px solid var(--re-gold);--re-border-top-emerald:3px solid var(--re-emerald);--re-border-top-indigo:3px solid var(--re-indigo);--re-border-top-cyan:3px solid var(--re-cyan);--re-shadow-card:0 4px 24px #00000073;--re-shadow-deep:0 8px 40px #0000008c;--re-glow-gold:0 0 24px #f5a62347;--re-glow-emerald:0 0 24px #00c9a742;--re-glow-indigo:0 0 24px #7875f042;--re-metric-size:clamp(2.4rem, 5vw, 3.4rem);--re-metric-size-sm:clamp(1.6rem, 3vw, 2rem);--re-label-size:.7rem;--re-label-tracking:.08em;--re-chart-1:#00d4f5;--re-chart-2:#7875f0;--re-chart-3:#f5a623;--re-chart-4:#00c9a7;--re-chart-5:#f87171;--re-chart-6:#f59e0b;--re-chart-7:#a78bfa;--re-chart-8:#34d399;--re-transition:.25s ease;--re-transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--re-gold-ring:0 0 0 3px #f5a6232e, 0 0 0 1px #f5a62380;--re-radius-tab:999px;--re-radius-card:14px;--re-radius-input:10px;--re-radius-badge:6px}[data-theme=light]{--calc-bg-page:#f1f5f9;--calc-bg-page-alt:#e8edf3;--calc-bg-card:#fff;--calc-bg-card-elevated:#f8fafc;--calc-bg-card-glass:#ffffffe6;--calc-bg-input:#e8edf3;--calc-bg-hover:#dbe1ea;--calc-bg-glass:#00000008;--calc-bg-overlay:#0006;--calc-text-primary:#0f172a;--calc-text-secondary:#334155;--calc-text-muted:#475569;--calc-text-dim:#64748b;--calc-text-link:#1d4ed8;--calc-cyan:#0e7490;--calc-cyan-dim:#0e74901f;--calc-purple:#7c3aed;--calc-purple-dim:#7c3aed1f;--calc-purple-soft:#6d28d9;--calc-gold:#a16207;--calc-gold-dim:#a162071a;--calc-teal:#0f766e;--calc-teal-dim:#0f766e1f;--calc-color-finance:#a16207;--calc-color-construction:#0f766e;--calc-color-health:#6d28d9;--calc-color-business:#1d4ed8;--calc-color-daily:#15803d;--calc-color-math:#b91c1c;--calc-accent-success:#15803d;--calc-accent-warning:#a16207;--calc-accent-danger:#b91c1c;--calc-accent-info:#1d4ed8;--calc-border-default:#00000026;--calc-border-subtle:#00000014;--calc-border-strong:#00000038;--calc-border-cyan:#0e749066;--calc-border-purple:#7c3aed66;--calc-border-gold:#a1620766;--calc-border-teal:#0f766e66;--calc-shadow-sm:0 1px 3px #0000001a;--calc-shadow-card:0 2px 8px #00000014, 0 1px 3px #0000000d;--calc-shadow-card-hover:0 6px 24px #0000001f, 0 2px 6px #00000014;--calc-shadow-lg:0 6px 24px #00000024, 0 2px 8px #00000014;--calc-shadow-interactive:0 3px 12px #0000001a;--calc-shadow-glow-cyan:0 0 0 transparent;--calc-shadow-glow-purple:0 0 0 transparent;--calc-shadow-glow-gold:0 0 0 transparent;--calc-shadow-glow-cyan-sm:0 0 0 transparent;--calc-shadow-glow-purple-sm:0 0 0 transparent;--calc-ring-cyan:0 0 0 3px #0e74902e, 0 0 0 1px #0e749066;--calc-ring-purple:0 0 0 3px #7c3aed26, 0 0 0 1px #7c3aed59;--calc-ring-gold:0 0 0 3px #a1620726, 0 0 0 1px #a1620759;--re-bg-page:#f0f4fb;--re-bg-primary:#eaf0f9;--re-bg-card:#fff;--re-bg-elevated:#f5f8fd;--re-bg-input:#e8eef7;--re-bg-glass:#ffffffe6;--re-bg-hover:#dce6f5;--re-bg-overlay:#00000059;--re-text-heading:#0f1e33;--re-text-body:#2d4a6b;--re-text-faint:#4e6585;--re-text-mono:#1e3350;--re-gold:#c47a0a;--re-gold-light:#e0950f;--re-gold-dim:#c47a0a1f;--re-gold-glow:#c47a0a33;--re-emerald:#008f76;--re-emerald-dim:#008f761f;--re-emerald-glow:#008f762e;--re-indigo:#4d49c8;--re-indigo-dim:#4d49c81f;--re-cyan:#09b;--re-cyan-dim:#0099bb1a;--re-rose:#d94545;--re-rose-dim:#d945451a;--re-border-card:#00000017;--re-border-input:#00000021;--re-border-focus:#c47a0a8c;--re-shadow-card:0 2px 10px #00000014;--re-shadow-deep:0 4px 20px #0000001f;--re-glow-gold:0 0 0 transparent;--re-glow-emerald:0 0 0 transparent;--re-glow-indigo:0 0 0 transparent;--re-gold-ring:0 0 0 3px #c47a0a26, 0 0 0 1px #c47a0a66}.skip-link{z-index:10000;background:var(--calc-cyan,#00f3ff);color:#000;border-radius:0 0 8px 8px;padding:8px 16px;font-size:14px;font-weight:600;text-decoration:none;transition:top .2s;position:absolute;top:-100%;left:16px}.skip-link:focus{top:0}@media (width<=600px){.tab-nav,.outer-tabs,.inner-tabs{-webkit-overflow-scrolling:touch;scrollbar-width:none;overflow-x:auto;flex-wrap:nowrap!important}.tab-nav::-webkit-scrollbar,.outer-tabs::-webkit-scrollbar,.inner-tabs::-webkit-scrollbar{display:none}.tab-nav .tab-btn,.outer-tabs .tab-btn,.inner-tabs .tab-btn{white-space:nowrap;flex-shrink:0}}.calc-breadcrumb{max-width:var(--calc-max-width-page);padding:var(--calc-space-3) var(--calc-space-5);margin:0 auto}.calc-breadcrumb ol{align-items:center;gap:var(--calc-space-1);font-family:var(--calc-font-mono);font-size:var(--calc-text-xs);letter-spacing:.03em;flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.calc-breadcrumb li{align-items:center;gap:var(--calc-space-1);color:var(--calc-text-dim);display:flex}.calc-breadcrumb li+li:before{content:"›";color:var(--calc-text-dim);font-size:var(--calc-text-sm);margin-right:var(--calc-space-1)}.calc-breadcrumb a{color:var(--calc-text-muted);transition:color var(--calc-transition-fast);text-decoration:none}.calc-breadcrumb a:hover{color:var(--calc-gold)}.calc-breadcrumb li:last-child{color:var(--calc-text-secondary)}.calc-content-wrapper{max-width:var(--calc-max-width-page);margin:var(--calc-space-12) auto 0;padding:0 var(--calc-space-5)}.calc-section{margin-bottom:var(--calc-space-12)}.calc-section__title{font-family:var(--calc-font-headline);font-size:var(--calc-text-2xl);color:var(--calc-text-primary);margin:0 0 var(--calc-space-3) 0;padding-bottom:var(--calc-space-3);border-bottom:2px solid var(--calc-border-default);font-weight:700;position:relative}.calc-section__title:after{content:"";background:var(--calc-gold);border-radius:2px;width:60px;height:2px;position:absolute;bottom:-2px;left:0;box-shadow:0 0 8px #ffd70066}.calc-section__intro{color:var(--calc-text-secondary);font-size:var(--calc-text-base);margin-bottom:var(--calc-space-6);line-height:1.7}.calc-formula-section{margin-bottom:var(--calc-space-12)}:is(.calc-formula-box,.calc-formula-section .formula-card){background:var(--calc-bg-card);border-left:4px solid var(--calc-cyan);border-radius:var(--calc-radius-md);padding:var(--calc-space-6);box-shadow:var(--calc-shadow-card), inset 0 0 0 1px #00f3ff0f;margin-bottom:var(--calc-space-6);transition:box-shadow var(--calc-transition)}:is(.calc-formula-box,.calc-formula-section .formula-card):hover{box-shadow:var(--calc-shadow-card-hover), var(--calc-shadow-glow-cyan-sm)}:is(.calc-formula-box__equation,.calc-formula-section .formula-card code){font-family:var(--calc-font-mono);font-size:var(--calc-text-lg);color:var(--calc-cyan);text-align:center;padding:var(--calc-space-4) 0;letter-spacing:.02em;word-break:break-word;display:block}:is(.calc-formula-box__description,.calc-formula-section .formula-card p){color:var(--calc-text-secondary);font-size:var(--calc-text-sm);margin-top:var(--calc-space-4);line-height:1.7}:is(.calc-formula-box__description strong,.calc-formula-section .formula-card p strong){color:var(--calc-text-primary)}.calc-formula-section .formula-card h3{font-family:var(--calc-font-mono);font-size:var(--calc-text-sm);color:var(--calc-gold);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--calc-space-2);font-weight:700}.calc-formula-section p{color:var(--calc-text-secondary);margin-bottom:var(--calc-space-4);line-height:1.7}.calc-formula-section a{color:var(--calc-text-link);text-decoration:none}.calc-formula-section a:hover{text-decoration:underline}.calc-glossary{margin-bottom:var(--calc-space-12)}.calc-glossary dl{gap:var(--calc-space-3);margin:0;display:grid}:is(.calc-glossary-item,.calc-glossary .glossary-row,.calc-glossary .glossary-item){gap:var(--calc-space-4);background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);padding:var(--calc-space-4) var(--calc-space-5);box-shadow:var(--calc-shadow-sm);transition:all var(--calc-transition);grid-template-columns:180px 1fr;display:grid}:is(.calc-glossary-item,.calc-glossary .glossary-row,.calc-glossary .glossary-item):hover{border-color:var(--calc-border-gold);box-shadow:var(--calc-shadow-card);transform:translate(3px)}:is(.calc-glossary-item,.calc-glossary .glossary-row,.calc-glossary .glossary-item) dt{font-family:var(--calc-font-mono);font-weight:600;font-size:var(--calc-text-sm);color:var(--calc-gold);letter-spacing:.02em}:is(.calc-glossary-item,.calc-glossary .glossary-row,.calc-glossary .glossary-item) dd{font-size:var(--calc-text-sm);color:var(--calc-text-secondary);margin:0;line-height:1.6}.calc-examples{margin-bottom:var(--calc-space-12)}.calc-examples__grid{gap:var(--calc-space-5);display:grid}:is(.calc-example-card,.calc-examples .example-card){background:var(--calc-bg-card);border-left:4px solid var(--calc-purple);border-radius:var(--calc-radius-md);padding:var(--calc-space-6);box-shadow:var(--calc-shadow-card);transition:all var(--calc-transition)}:is(.calc-example-card,.calc-examples .example-card):hover{border-color:var(--calc-purple);box-shadow:var(--calc-shadow-card-hover), var(--calc-shadow-glow-purple-sm);transform:translateY(-3px)}:is(.calc-example-card__number,.calc-examples .example-card h3){font-family:var(--calc-font-mono);font-size:var(--calc-text-xs);color:var(--calc-purple);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--calc-space-2);font-weight:700}.calc-example-card__scenario{font-size:var(--calc-text-base);color:var(--calc-text-secondary);margin-bottom:var(--calc-space-3);font-style:italic;line-height:1.6}.calc-example-card__inputs{font-size:var(--calc-text-sm);color:var(--calc-text-muted);margin-bottom:var(--calc-space-3);line-height:1.6}.calc-example-card__result{font-family:var(--calc-font-mono);font-size:var(--calc-text-lg);color:var(--calc-cyan);font-weight:700}.calc-example-card__interpretation{font-size:var(--calc-text-sm);color:var(--calc-text-secondary);margin-top:var(--calc-space-2);line-height:1.6}.calc-comparison-table-wrapper{margin-bottom:var(--calc-space-12);-webkit-overflow-scrolling:touch;overflow-x:auto}.table-responsive{-webkit-overflow-scrolling:touch;overflow-x:auto}.calc-comparison-table{border-collapse:collapse;width:100%;font-size:var(--calc-text-sm);border-radius:var(--calc-radius-md);overflow:hidden}.calc-comparison-table thead th{background:var(--calc-bg-card-elevated);color:var(--calc-gold);font-family:var(--calc-font-mono);font-size:var(--calc-text-xs);text-transform:uppercase;letter-spacing:.08em;padding:var(--calc-space-3) var(--calc-space-4);text-align:left;border-bottom:2px solid var(--calc-border-gold);white-space:nowrap;font-weight:600}.calc-comparison-table tbody td{padding:var(--calc-space-3) var(--calc-space-4);color:var(--calc-text-secondary);border-bottom:1px solid var(--calc-border-subtle)}.calc-comparison-table tbody tr:nth-child(2n){background:#ffffff05}.calc-comparison-table tbody tr:hover{background:#ffffff0a}.calc-comparison-table tbody td:first-child{color:var(--calc-text-primary);font-weight:500}.calc-related{margin-bottom:var(--calc-space-12)}.calc-related__grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;display:grid}.calc-related-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);text-align:center;box-shadow:var(--calc-shadow-sm);flex-direction:column;align-items:center;gap:8px;padding:16px 12px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex}.calc-related-card:hover{border-color:var(--calc-cyan,#00f3ff);transform:translateY(-2px);box-shadow:0 4px 16px #00f3ff14}.calc-related-card__emoji{font-size:1.6rem;line-height:1}.calc-related-card__title{color:var(--calc-text-secondary,var(--calc-text-dim));font-size:.78rem;font-weight:500;line-height:1.3}[data-theme=light] .calc-related-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .calc-related-card:hover{border-color:#0e7490;box-shadow:0 4px 16px #0e74901a}[data-theme=light] .calc-related-card__title{color:#334155}[data-theme=light] [style*="color:#00f3ff"],[data-theme=light] [style*="color: #00f3ff"]{color:#0e7490!important}.calc-article{margin-bottom:var(--calc-space-12);max-width:var(--calc-max-width-article)}.calc-article article{color:var(--calc-text-secondary);font-size:var(--calc-text-base);line-height:1.8}.calc-article article p{margin-bottom:var(--calc-space-5)}.calc-article article h3{font-family:var(--calc-font-headline);font-size:var(--calc-text-xl);color:var(--calc-text-primary);margin:var(--calc-space-8) 0 var(--calc-space-3) 0;font-weight:600}.calc-article article h3:first-of-type{margin-top:0}.calc-article article a{color:var(--calc-text-link);text-decoration:none}.calc-article article a:hover{text-decoration:underline}.calc-article article ul,.calc-article article ol{padding-left:var(--calc-space-6);margin-bottom:var(--calc-space-5)}.calc-article article li{margin-bottom:var(--calc-space-2);line-height:1.7}.calc-article article strong{color:var(--calc-text-primary)}.calc-page-footer{color:#fff6;margin-top:var(--calc-space-16);background:#0a0e1af7;border-top:1px solid #0000;border-image:linear-gradient(90deg,#ffd70040,#bc13fe40) 1;font-size:.9rem}.calc-page-footer .footer-grid{grid-template-columns:1.6fr 1fr 1.2fr 1fr .8fr;gap:40px;max-width:1100px;margin:0 auto;padding:52px 30px 36px;display:grid}.calc-page-footer .footer-logo-row{align-items:center;gap:12px;margin-bottom:10px;display:flex}.calc-page-footer .footer-logo{width:auto;height:36px;filter:drop-shadow(0 0 4px var(--calc-purple)) brightness(1.05)}.calc-page-footer .footer-brand-name{font-family:var(--calc-font-headline);letter-spacing:1px;color:var(--calc-gold);font-size:1rem;font-weight:800}.calc-page-footer .footer-tagline{color:#ffffff4d;letter-spacing:.02em;margin:0;font-size:.85rem}.calc-page-footer .footer-col-title{font-family:var(--calc-font-mono);text-transform:uppercase;letter-spacing:.1em;color:#ffffff4d;margin:0 0 14px;font-size:.7rem;font-weight:700}.calc-page-footer .footer-links-col{flex-direction:column;gap:8px;display:flex}.calc-page-footer .footer-link{color:#ffffff80;font-size:.88rem;text-decoration:none;transition:color .2s}.calc-page-footer .footer-link:hover{color:#ffffffe6}.calc-page-footer .footer-bottom{text-align:center;color:#ffffff40;border-top:1px solid #ffffff0d;padding:18px 20px;font-size:.8rem}.calc-page-footer .footer-bottom p{margin:0}.calc-howto-grid{gap:var(--calc-space-5);grid-template-columns:repeat(3,1fr);display:grid}.calc-howto-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);padding:var(--calc-space-6);box-shadow:var(--calc-shadow-card);transition:all var(--calc-transition);position:relative;overflow:hidden}.calc-howto-card:hover{border-color:var(--calc-border-cyan);box-shadow:var(--calc-shadow-card-hover), var(--calc-shadow-glow-cyan-sm);transform:translateY(-5px)}.calc-howto-card__number{font-family:var(--calc-font-headline);font-size:var(--calc-text-3xl);color:var(--calc-cyan-dim);font-weight:900;line-height:1;position:absolute;top:10px;right:16px}.calc-howto-card__title{font-family:var(--calc-font-headline);font-size:var(--calc-text-lg);color:var(--calc-text-primary);margin:0 0 var(--calc-space-2) 0;font-weight:600}.calc-howto-card__body{font-size:var(--calc-text-sm);color:var(--calc-text-secondary);margin:0;line-height:1.6}.calc-faq-accordion{gap:0;display:grid}.calc-faq-item{border-bottom:1px solid var(--calc-border-default)}.calc-faq-item summary{cursor:pointer;padding:var(--calc-space-4) var(--calc-space-2);font-size:var(--calc-text-base);color:var(--calc-text-primary);transition:color var(--calc-transition);justify-content:space-between;align-items:center;font-weight:500;list-style:none;display:flex}.calc-faq-item summary::-webkit-details-marker{display:none}.calc-faq-item 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