: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:var(--primary);--nav-text:#ffffff;--progress-track:#d6e8f8;--focus-ring:#9cccf4;--placeholder:#6b7280;--disabled-bg:var(--primary-border);--menu-button-bg:rgba(255,255,255,0.12);--menu-button-hover:rgba(255,255,255,0.2);--menu-button-border:rgba(255,255,255,0.55);--language-border:rgba(255,255,255,0.35)}@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;--progress-track:#223552;--focus-ring:#fde68a;--placeholder:#8fa3bd;--disabled-bg:#263754;--menu-button-bg:rgba(234,246,255,0.09);--menu-button-hover:rgba(234,246,255,0.16);--menu-button-border:rgba(234,246,255,0.36);--language-border:rgba(234,246,255,0.24)}}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(--text);line-height:1.5}main{padding:1rem;max-width:800px;margin:0 auto;box-sizing:border-box}h1,h2,h3,h4,h5,h6{color:var(--primary-dark);margin-top:1.5rem;margin-bottom:.75rem}p{margin-bottom:1rem}a{color:var(--primary)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}button,input,select{font-size:1rem;box-sizing:border-box}label{display:block;margin-bottom:.25rem;font-weight:500}input[type=date],input[type=datetime-local],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(--placeholder);opacity:1}button{padding:.5rem 1rem;background-color:var(--primary);color:var(--button-text);border:none;border-radius:4px;cursor:pointer;margin-right:.5rem}button:hover{filter:brightness(1.06)}button:disabled{background-color:var(--disabled-bg);cursor:not-allowed;filter:none}.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}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;line-height:1.3}.calculatorEmoji,.calculatorLinkTitle{display:inline-flex;align-items:center}.calculatorEmoji{justify-content:center;flex:0 0 auto;min-width:1.35rem;font-size:1.3rem;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(--language-border);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);filter:none}.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}