:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f8fafc;--surface:#fff;--surface-muted:#f1f5f9;--text:#0f172a;--text-muted:#475569;--text-subtle:#64748b;--border:#e2e8f0;--border-strong:#cbd5e1;--primary:#2563eb;--primary-strong:#1d4ed8;--primary-soft:#eff6ff;--on-primary:#fff;--positive:#15803d;--warning:#b45309;--warning-soft:#fffbeb;--warning-border:#fcd34d;--info-soft:#f0f9ff;--info-border:#bae6fd;--danger:#b91c1c;--focus:#2563eb;--chart-grid:#e2e8f0;--chart-axis:#cbd5e1;--chart-curve:#2563eb;--chart-limit:#dc2626;--chart-label:#64748b;--track:#e2e8f0;--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;--radius-sm:6px;--radius:10px;--radius-lg:14px;--shadow:0 1px 2px #0f172a0f, 0 1px 3px #0f172a0a;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b1120;--surface:#111827;--surface-muted:#1a2232;--text:#e5e7eb;--text-muted:#a3acb9;--text-subtle:#8b95a5;--border:#243044;--border-strong:#334155;--primary:#60a5fa;--primary-strong:#93c5fd;--primary-soft:#172554;--on-primary:#0b1120;--positive:#4ade80;--warning:#fbbf24;--warning-soft:#2a1f0a;--warning-border:#78530f;--info-soft:#0c2235;--info-border:#1e4a6b;--danger:#f87171;--focus:#93c5fd;--chart-grid:#1f2a3c;--chart-axis:#334155;--chart-curve:#60a5fa;--chart-limit:#f87171;--chart-label:#8b95a5;--track:#273449;--shadow:none}@media (prefers-color-scheme:dark){:root:not([data-theme]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b1120;--surface:#111827;--surface-muted:#1a2232;--text:#e5e7eb;--text-muted:#a3acb9;--text-subtle:#8b95a5;--border:#243044;--border-strong:#334155;--primary:#60a5fa;--primary-strong:#93c5fd;--primary-soft:#172554;--on-primary:#0b1120;--positive:#4ade80;--warning:#fbbf24;--warning-soft:#2a1f0a;--warning-border:#78530f;--info-soft:#0c2235;--info-border:#1e4a6b;--danger:#f87171;--focus:#93c5fd;--chart-grid:#1f2a3c;--chart-axis:#334155;--chart-curve:#60a5fa;--chart-limit:#f87171;--chart-label:#8b95a5;--track:#273449;--shadow:none}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:4.5rem}body{background:var(--bg);min-height:100vh;color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;flex-direction:column;margin:0;font-size:1rem;line-height:1.6;display:flex}h1,h2,h3{letter-spacing:-.01em;margin:0;line-height:1.25}p{margin:0}a{color:var(--primary-strong);text-underline-offset:2px}:root[data-theme=dark] a{color:var(--primary)}button,input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}[hidden]{display:none!important}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.muted{color:var(--text-muted);font-size:.875rem}.icon{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:1rem;height:1rem}.container{width:100%;max-width:72rem;padding-inline:var(--space-4);margin-inline-start:auto;margin-inline-end:auto}@media (min-width:640px){.container{padding-inline:var(--space-6)}}.skip-link{left:var(--space-4);z-index:100;padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);background:var(--primary);color:var(--on-primary);font-weight:600;text-decoration:none;position:absolute;top:-3rem}.skip-link:focus{top:var(--space-2)}.site-header{z-index:40;border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0}.header-inner{align-items:center;gap:var(--space-4);min-height:3.5rem;display:flex}.brand{align-items:center;gap:var(--space-2);color:var(--text);letter-spacing:-.01em;font-weight:650;text-decoration:none;display:inline-flex}:root[data-theme=dark] .brand{color:var(--text)}.brand-mark{width:1.75rem;height:1.75rem;color:var(--primary)}:root[data-theme=dark] .brand-mark{color:#2563eb}.site-nav{gap:var(--space-1);margin-left:var(--space-2);display:none}.site-nav a{padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.875rem;text-decoration:none}.site-nav a:hover{background:var(--surface-muted);color:var(--text)}@media (min-width:768px){.site-nav{display:flex}}.icon-button{border-radius:var(--radius-sm);width:2.75rem;height:2.75rem;color:var(--text-muted);cursor:pointer;background:0 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(min-width:1024px){.calc-grid{gap:var(--space-6);grid-template-columns:20rem minmax(0,1fr);align-items:start}.position-card{position:sticky;top:4.75rem}}.results{gap:var(--space-5);min-width:0;display:grid}.card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow)}.card-header{padding:var(--space-4) var(--space-4) var(--space-3);border-bottom:1px solid var(--border)}.card-header h2{font-size:1rem;font-weight:650}.fields{gap:var(--space-4);padding:var(--space-4);display:grid}@media (min-width:640px) and (max-width:1023.98px){.fields{grid-template-columns:repeat(3,minmax(0,1fr))}}.field label{justify-content:space-between;align-items:baseline;gap:var(--space-2);margin-bottom:var(--space-1);font-size:.875rem;font-weight:600;display:flex}.symbol{color:var(--text-subtle);font-size:.8125rem;font-weight:400}.input-wrap{position:relative}.input-wrap input{width:100%;min-height:2.75rem;padding:0 var(--space-3);border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);font-variant-numeric:tabular-nums;font-size:1rem;transition:border-color .15s,box-shadow .15s}.input-wrap input::placeholder{color:var(--text-subtle);opacity:.7}.input-wrap input:hover{border-color:var(--text-subtle)}.input-wrap input:focus-visible{border-color:var(--focus);box-shadow:0 0 0 3px color-mix(in srgb, var(--focus) 30%, transparent);outline:none}.has-prefix input{padding-left:1.75rem}.prefix{left:var(--space-3);color:var(--text-subtle);pointer-events:none;position:absolute;top:50%;transform:translateY(-50%)}.hint{margin-top:var(--space-1);color:var(--text-muted);font-size:.8125rem;line-height:1.4}.field-error{gap:var(--space-1);margin-top:var(--space-1);color:var(--danger);font-size:.8125rem;font-weight:500;line-height:1.4;display:flex}.field-error:before{content:"⚠";flex:none}.field.has-error input{border-color:var(--danger)}.field.has-error input:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb, var(--danger) 25%, transparent)}.form-actions{gap:var(--space-2);padding:0 var(--space-4) var(--space-4);flex-wrap:wrap;display:flex}.button{justify-content:center;align-items:center;gap:var(--space-2);min-height:2.75rem;padding:0 var(--space-4);border-radius:var(--radius);cursor:pointer;font-size:.9375rem;font-weight:600;transition:background-color .15s,border-color .15s;display:inline-flex}.button-secondary{background:var(--primary);color:var(--on-primary);border:1px solid #0000;flex:auto}.button-secondary:hover{background:var(--primary-strong)}.button-ghost{border:1px solid var(--border-strong);color:var(--text);background:0 0}.button-ghost:hover{background:var(--surface-muted)}.privacy-note{gap:var(--space-2);padding:var(--space-3) var(--space-4);border-top:1px solid var(--border);color:var(--text-muted);font-size:.8125rem;line-height:1.45;display:flex}.privacy-note .icon{margin-top:.15rem}.noscript{padding:0 var(--space-4) var(--space-4);font-size:.875rem}.notice{gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);border:1px solid;font-size:.875rem;line-height:1.5;display:flex}.notice .icon{margin-top:.2rem}.notice-title{font-weight:650}.notice-warning{border-color:var(--warning-border);background:var(--warning-soft)}.notice-warning .icon,.notice-warning .notice-title{color:var(--warning)}.notice-info{border-color:var(--info-border);background:var(--info-soft)}.notice-info .icon{color:var(--primary)}.chart-card{margin:0;overflow:hidden}.chart{position:relative}.chart-svg{width:100%;height:auto;font-family:var(--font-sans);touch-action:pan-y;-webkit-user-select:none;user-select:none;display:block}.chart-svg text{font-variant-numeric:tabular-nums}.chart-svg .grid-line{stroke:var(--chart-grid);stroke-width:1px}.chart-svg .axis-line{stroke:var(--chart-axis);stroke-width:1px}.chart-svg .tick-mark{stroke:var(--chart-label);stroke-width:1px}.chart-svg .tick-label{fill:var(--chart-label);font-size:11px}.chart-svg .axis-title{fill:var(--text-muted);font-size:11.5px;font-weight:600}.chart-svg .gradient-stop{stop-color:var(--chart-curve)}.chart-svg .curve-line{fill:none;stroke:var(--chart-curve);stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round}.chart-svg .asymptote{stroke:var(--chart-limit);stroke-width:1.5px;stroke-dasharray:6 4}.chart-svg .asymptote-label{fill:var(--danger);paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round;font-size:11px;font-weight:600}.chart-svg .cursor-line{stroke:var(--chart-curve);stroke-width:1px;stroke-dasharray:4 3;opacity:.6}.chart-svg .cursor-ring{fill:var(--surface);stroke:var(--chart-curve);stroke-width:2.5px}.chart-svg .cursor-dot{fill:var(--chart-curve)}.chart-svg .tooltip-bg{fill:var(--text)}.chart-svg .tooltip-text{fill:var(--surface);font-size:11.5px;font-weight:650}.chart-svg .hit-area{fill:#0000;cursor:crosshair}.chart-svg .placeholder-line{fill:none;stroke:var(--border-strong);stroke-width:2px;stroke-dasharray:6 5}.chart-svg .placeholder-title{fill:var(--text-muted);font-size:13px;font-weight:600}.chart-svg .placeholder-sub{fill:var(--text-subtle);font-size:11px}.capital-card{gap:var(--space-3);padding:var(--space-4);display:grid}.capital-header{justify-content:space-between;align-items:flex-start;gap:var(--space-4);display:flex}.capital-header h3{font-size:1rem;font-weight:650}.capital-hint{margin-top:calc(var(--space-2) * -1)}.capital-readout{text-align:right;flex:none}@media (max-width:479.98px){.capital-header{gap:var(--space-2);flex-direction:column}.capital-readout{text-align:left}}.capital-readout output{font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:700;line-height:1.2;display:block}.range{--fill:0%;cursor:pointer;-webkit-appearance:none;appearance:none;background:0 0;width:100%;height:2rem;margin:0}.range:focus-visible{outline:none}.range::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--primary) var(--fill), var(--track) var(--fill));border-radius:999px;height:.5rem}.range::-webkit-slider-thumb{border:3px solid var(--surface);background:var(--primary);width:1.5rem;height:1.5rem;box-shadow:0 0 0 1px var(--primary), 0 1px 3px #0000004d;-webkit-appearance:none;appearance:none;border-radius:50%;margin-top:-.5rem}.range:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 1px var(--primary), 0 0 0 5px color-mix(in srgb, var(--focus) 45%, transparent)}.range::-moz-range-track{background:var(--track);border-radius:999px;height:.5rem}.range::-moz-range-progress{background:var(--primary);border-radius:999px;height:.5rem}.range::-moz-range-thumb{border:3px solid var(--surface);background:var(--primary);width:1.125rem;height:1.125rem;box-shadow:0 0 0 1px var(--primary);border-radius:50%}.range:focus-visible::-moz-range-thumb{box-shadow:0 0 0 1px var(--primary), 0 0 0 5px color-mix(in srgb, var(--focus) 45%, transparent)}.slider-scale{justify-content:space-between;gap:var(--space-2);margin-top:calc(var(--space-2) * -1);color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:.75rem;display:flex}.slider-scale span:nth-child(2){text-align:center}.amount-row{align-items:center;gap:var(--space-1) var(--space-3);grid-template-columns:auto minmax(0,12rem);display:grid}.amount-row label{font-size:.875rem;font-weight:600}.amount-row .hint{grid-column:1/-1;min-height:1.4em;margin:0}.stat-grid{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;display:grid}.stat{gap:var(--space-1);min-width:0;padding:var(--space-3) var(--space-4);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;display:flex}.stat:last-child{grid-column:1/-1}@media (min-width:768px){.stat-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.stat,.stat:last-child{grid-column:span 2}.stat-primary{grid-column:span 3}}.stat dt{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;font-size:.75rem;font-weight:600}.stat dd{flex-direction:column;min-width:0;margin:0;display:flex}.stat-value{overflow-wrap:anywhere;font-variant-numeric:tabular-nums;font-size:1.125rem;font-weight:700;line-height:1.3}.stat-primary .stat-value{font-size:1.5rem}.stat-sub{min-height:1.25rem;color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:.8125rem}.stat-primary.is-positive{border-color:color-mix(in srgb, var(--primary) 35%, var(--border));background:var(--primary-soft)}.stat-primary.is-positive #stat-new-avg{color:var(--primary-strong)}:root[data-theme=dark] .stat-primary.is-positive #stat-new-avg{color:var(--primary)}#stat-delta.is-positive{color:var(--positive)}.is-warning #stat-new-avg{color:var(--warning)}.data-table summary{padding:var(--space-3) var(--space-4);cursor:pointer;font-size:.875rem;font-weight:600}.data-table[open] summary{border-bottom:1px solid var(--border)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.875rem}th,td{padding:var(--space-2) var(--space-4);border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}@media (max-width:479.98px){th,td{padding-inline:var(--space-2)}}th:first-child,td:first-child{text-align:left}th{color:var(--text-muted);letter-spacing:.03em;text-transform:uppercase;font-size:.75rem;font-weight:600}tbody tr:last-child td{border-bottom:0}caption{padding:0 0 var(--space-2);color:var(--text-muted);text-align:left;font-size:.8125rem}.how-to-read{padding:var(--space-5)}.how-to-read h3{font-size:.9375rem;font-weight:650}.how-to-read-grid{gap:var(--space-4);margin-top:var(--space-3);color:var(--text-muted);font-size:.875rem;line-height:1.55;display:grid}@media (min-width:640px){.how-to-read-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.how-to-read-term{align-items:center;gap:var(--space-2);margin-bottom:var(--space-1);color:var(--text);font-weight:600;display:flex}.swatch{flex:none;width:1.25rem;display:inline-block}.swatch-curve{background:var(--chart-curve);border-radius:2px;height:3px}.swatch-limit{border-top:2px dashed var(--chart-limit);height:0}.swatch-dot{border:2.5px solid var(--chart-curve);border-radius:50%;width:.75rem;height:.75rem}.content{gap:var(--space-12);padding-block:var(--space-12);display:grid}.content section{gap:var(--space-4);display:grid}.content h2{letter-spacing:-.015em;font-size:1.5rem;font-weight:700}.content p,.content li,.content dd{color:var(--text-muted)}.content var{color:var(--text);font-family:Georgia,Times New Roman,serif;font-style:italic}.variables{gap:var(--space-2) var(--space-6);grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));margin:0;display:grid}.variables div{gap:var(--space-3);display:flex}.variables dt{min-width:1.75rem}.variables dd{margin:0}.formula-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.formula-list li{gap:var(--space-1);padding:var(--space-3) var(--space-4);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);display:grid}.formula-name{color:var(--text);font-size:.875rem;font-weight:650}.formula{color:var(--text);font-size:1.0625rem}.formula-note{font-size:.875rem}.example-table{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.example-table caption{padding:0 0 var(--space-2)}.faq{gap:var(--space-6);display:grid}.faq-item{gap:var(--space-2);align-content:start;display:grid}.faq h3{font-size:1.0625rem;font-weight:650}@media (min-width:900px){.formula-list{grid-template-columns:repeat(2,minmax(0,1fr))}.faq{gap:var(--space-8) var(--space-12);grid-template-columns:repeat(2,minmax(0,1fr))}}.not-found{gap:var(--space-4);max-width:36rem;padding-block:var(--space-12);justify-items:start;display:grid}.not-found .button{text-decoration:none}.tour-backdrop{z-index:90;position:fixed;top:0;bottom:0;left:0;right:0}.tour-spotlight{z-index:91;border-radius:var(--radius-lg);box-shadow:0 0 0 2px var(--primary), 0 0 0 200vmax #0f172a8c;pointer-events:none;position:fixed}:root[data-theme=dark] .tour-spotlight{box-shadow:0 0 0 2px var(--primary), 0 0 0 200vmax #000000a6}.tour-popover{z-index:92;gap:var(--space-2);width:min(22rem,100vw - 1.5rem);padding:var(--space-4) var(--space-5);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);display:grid;position:fixed;box-shadow:0 12px 32px #0f172a40}.tour-popover.is-docked{width:auto;bottom:.75rem;left:.75rem;right:.75rem}.tour-progress{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;font-size:.75rem;font-weight:600}.tour-title{font-size:1.0625rem;font-weight:650}.tour-body{color:var(--text-muted);font-size:.9375rem;line-height:1.55}.tour-actions{align-items:center;gap:var(--space-2);margin-top:var(--space-2);display:flex}.tour-actions .button{min-height:2.5rem}.tour-skip{padding:var(--space-2) 0;color:var(--text-muted);text-underline-offset:2px;cursor:pointer;background:0 0;border:0;margin-right:auto;font-size:.875rem;text-decoration:underline}.tour-skip:hover{color:var(--text)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}