:root{color-scheme:light;--background:#f7fbff;--card:#ffffff;--primary-soft:#e1f0ff;--primary:#2f72a8;--primary-dark:#255c88;--primary-text:#123a56;--primary-border:#c8e0f5;--text:#123a56;--muted:#6b7280;--button-text:#ffffff;--nav-bg:#2f72a8;--nav-text:#ffffff;--nav-divider:rgba(255,255,255,0.35);--menu-button-border:rgba(255,255,255,0.55);--menu-button-bg:rgba(255,255,255,0.12);--menu-button-hover-bg:rgba(255,255,255,0.2);--progress-track:#d7e8f8;--calculator-button-border:rgba(255,255,255,0.35);--calculator-button-shadow:rgba(18,58,86,0.12);--focus-ring:#8fc7ff}@media (prefers-color-scheme:dark){:root{color-scheme:dark;--background:#0f172a;--card:#111c33;--primary-soft:#17243d;--primary:#8fc7ff;--primary-dark:#b7dcff;--primary-text:#eaf2ff;--primary-border:#2a3a55;--text:#eaf2ff;--muted:#b8c7dd;--button-text:#071727;--nav-bg:#163456;--nav-text:#eaf6ff;--nav-divider:rgba(234,246,255,0.24);--menu-button-border:rgba(234,246,255,0.38);--menu-button-bg:rgba(234,246,255,0.08);--menu-button-hover-bg:rgba(234,246,255,0.15);--progress-track:#223552;--calculator-button-border:rgba(234,246,255,0.18);--calculator-button-shadow:rgba(0,0,0,0.28);--focus-ring:#fde68a}}body,html{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background);color:var(--primary-text);line-height:1.5}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}main{padding:1rem;max-width:800px;margin:0 auto;box-sizing:border-box}main a{color:var(--primary)}h1,h2,h3,h4,h5,h6,main a:hover{color:var(--primary-dark)}h1,h2,h3,h4,h5,h6{margin-top:1.5rem;margin-bottom:.75rem}p{margin-bottom:1rem}button,input,select{font-size:1rem;box-sizing:border-box}label{display:block;margin-bottom:.25rem;font-weight:500}input[type=date],input[type=number],input[type=text],input[type=time],select{width:100%;padding:.5rem;margin-bottom:.75rem;border:1px solid var(--primary-border);border-radius:4px;background-color:var(--card);color:var(--primary-text)}input::placeholder{color:var(--muted);opacity:.85}button{padding:.5rem 1rem;background-color:var(--primary);color:var(--button-text);border:none;border-radius:4px;cursor:pointer;margin-right:.5rem}button:disabled{background-color:var(--primary-border);color:var(--muted);cursor:not-allowed}.result{background-color:var(--primary-soft);padding:1rem;border-radius:4px;margin-bottom:1rem;border:1px solid var(--primary-border)}.result-row{display:flex;align-items:flex-start;flex-wrap:wrap;gap:.25rem 1rem;justify-content:space-between;margin-bottom:.5rem}.result-row strong{text-align:right}.tjResult{background-color:var(--primary-soft)}.tjHero,.tjResult{padding:1rem;border-radius:6px;margin-bottom:1rem;border:1px solid var(--primary-border)}.tjHero{display:flex;flex-direction:column;align-items:center;gap:.15rem;background-color:var(--card);text-align:center}.tjHero strong{color:var(--primary-dark);font-size:clamp(3rem,14vw,5rem);line-height:1}.tjMilestoneCard{background-color:var(--card);border:1px solid var(--primary-border);border-radius:6px;margin:1rem 0;padding:1rem}.tjMilestoneCard h3{margin-top:0}.progressBlock{margin:1rem 0}.basicCalculator{max-width:420px;margin-bottom:1rem}.basicCalculatorResult{display:flex;flex-direction:column;justify-content:center;min-height:4.25rem}.basicCalculatorResult .result-row{margin-bottom:0}.basicCalculatorGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:.35rem;gap:.35rem;padding:.5rem;border:1px solid var(--primary-border);border-radius:8px;background-color:var(--primary-soft)}.basicCalculatorGrid button{min-height:3rem;margin:0;border:1px solid var(--calculator-button-border);border-radius:6px;box-shadow:0 1px 1px var(--calculator-button-shadow);font-weight:700}.basicCalculatorEquals{grid-column:1/-1}.progressTrack{height:.65rem;overflow:hidden;border-radius:999px;background-color:var(--progress-track);border:1px solid var(--primary-border)}.progressFill{height:100%;border-radius:inherit;background-color:var(--primary)}nav{background-color:var(--nav-bg);padding:.75rem 1rem;display:flex;align-items:center;flex-wrap:wrap;gap:.5rem 1rem}nav,nav a{color:var(--nav-text)}nav a{text-decoration:none;font-weight:500}nav a:hover{text-decoration:underline}.calculatorLinkTitle{gap:.45rem;min-width:0}.calculatorLinkTitle,.calculatorListRow{display:inline-flex;align-items:center;line-height:1.35}.calculatorListRow{flex-wrap:wrap;gap:0 .25rem}.calculatorEmoji{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:1.35rem;font-size:1.28rem;line-height:1}.brand-link{color:var(--nav-text);font-size:1.125rem;font-weight:700;letter-spacing:0;margin-right:1.25rem;white-space:nowrap}.nav-links{display:flex;align-items:center;flex:1 1 auto;flex-wrap:wrap;gap:.5rem 1rem;min-width:0}.language-link{display:inline-flex;align-items:center;gap:.4rem;margin-left:auto;padding-left:1rem;border-left:1px solid var(--nav-divider);white-space:nowrap}.menu-button{display:none}@media (max-width:640px){nav{justify-content:space-between;padding:.5rem .875rem;gap:.35rem .75rem}.brand-link{font-size:1.0625rem;margin-right:0}.menu-button{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;padding:0;margin:0;border:1px solid var(--menu-button-border);border-radius:4px;background-color:var(--menu-button-bg);color:var(--nav-text)}.menu-button:hover{background-color:var(--menu-button-hover-bg)}.menu-button-lines{display:flex;width:1.15rem;flex-direction:column;gap:.22rem}.menu-button-lines span{display:block;height:2px;border-radius:999px;background-color:currentColor}.nav-links{display:none;flex:0 0 100%;flex-basis:100%;align-items:stretch;gap:.25rem;font-size:.9375rem;line-height:1.35}.nav-links.is-open{display:flex;flex-direction:column;padding-top:.35rem}.nav-links a{padding:.45rem 0}.language-link{margin-left:0;padding-left:0;border-left:0}}footer{margin-top:2rem;padding:1rem;text-align:center;color:var(--muted);font-size:.875rem}