:root{color-scheme:light;--color-bg:#fffaf7;--color-surface:#fff;--color-surface-tint:#f5fbf7;--color-text:#2b2422;--color-muted:#6b5f58;--color-accent:#9f3858;--color-accent-strong:#7d2440;--color-craft:#17706a;--color-gold:#bd7a22;--color-border:#eadbd4;--shadow-soft:0 16px 40px #5e38281a}:root.dark-theme{color-scheme:dark;--color-bg:#211b1d;--color-surface:#2c2426;--color-surface-tint:#25332f;--color-text:#f5eee8;--color-muted:#cdbfb6;--color-accent:#f08aa7;--color-accent-strong:#ffb1c5;--color-craft:#76c9bd;--color-gold:#e1a858;--color-border:#4a3b3d;--shadow-soft:0 18px 42px #00000047}*{box-sizing:border-box}body{background:linear-gradient(180deg, color-mix(in srgb, var(--color-craft) 9%, transparent), transparent 19rem), var(--color-bg);color:var(--color-text);margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.55}main{max-width:1040px;margin:0 auto;padding:2rem 1rem 3.5rem}.site-header,.site-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;max-width:1040px;margin:0 auto;padding:1rem;display:flex}.site-header{border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-bg) 88%, transparent);backdrop-filter:blur(12px)}.site-footer{border-top:1px solid var(--color-border);margin-top:2rem;font-size:.85rem}.brand{color:var(--color-accent);font-size:1.25rem;font-weight:700;text-decoration:none}.brand:before{content:"";background:var(--color-craft);width:.7rem;height:.7rem;box-shadow:.45rem 0 0 var(--color-gold);border-radius:50%;margin-right:.45rem;display:inline-block}nav a{color:inherit;margin-right:1rem;text-decoration:none}nav a:hover{text-decoration:underline}.theme-toggle{border:1px solid var(--color-border);background:var(--color-surface);min-height:2rem;color:var(--color-text);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:.4rem;padding:.25rem .65rem;font-size:.86rem;font-weight:700;display:inline-flex}.theme-toggle:before{content:"";background:var(--color-gold);width:.72rem;height:.72rem;box-shadow:inset -.24rem -.16rem 0 color-mix(in srgb, var(--color-accent) 30%, transparent);border-radius:50%}h1{max-width:12ch;margin:.25rem 0 .75rem;font-size:3rem;line-height:1.05}h2{line-height:1.15}a{color:var(--color-accent)}.glossary-link{color:var(--color-accent);text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--color-gold) 55%, transparent);text-underline-offset:.18em;font-weight:700;text-decoration-thickness:.12em}:focus-visible{outline:3px solid color-mix(in srgb, var(--color-gold) 72%, white);outline-offset:3px}.calculator-mount form.calc-form{grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem;display:grid}.calculator-mount form.calc-form .field-row{display:contents}.calculator-mount form.calc-form label{border:1px solid var(--color-border);background:var(--color-surface);min-width:0;color:var(--color-muted);border-radius:8px;grid-template-columns:auto 1fr;align-items:center;gap:.4rem .5rem;padding:.65rem;font-size:.86rem;font-weight:700;display:grid}.calculator-mount form.calc-form label:before{content:"";background:linear-gradient(90deg, transparent 42%, color-mix(in srgb, var(--color-surface) 88%, transparent) 42% 58%, transparent 58%), var(--color-craft);width:.8rem;height:.8rem;box-shadow:0 0 0 3px color-mix(in srgb, var(--color-craft) 18%, transparent);border-radius:50%}.calculator-mount form.calc-form label:focus-within{border-color:var(--color-craft);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-craft) 18%, transparent);color:var(--color-text)}.calculator-mount form.calc-form input,.calculator-mount form.calc-form select{width:100%;min-height:2.45rem;font:inherit;border:1px solid color-mix(in srgb, var(--color-border) 70%, var(--color-muted));background:color-mix(in srgb, var(--color-bg) 38%, var(--color-surface));color:var(--color-text);border-radius:6px;grid-column:1/-1;padding:.45rem .6rem;font-size:1.05rem}.calculator-mount form.calc-form input:focus,.calculator-mount form.calc-form select:focus{border-color:var(--color-craft);outline:none}.calculator-mount form.calc-form button{display:none}.calculator-mount output.calc-result{border:1px solid color-mix(in srgb, var(--color-accent) 24%, var(--color-border));border-left:.45rem solid var(--color-accent);background:color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));box-shadow:var(--shadow-soft);border-radius:8px;margin-top:1rem;padding:.8rem .95rem;font-size:1.05rem;display:block}.calculator-mount output.calc-result:before{content:"Result";color:var(--color-accent);letter-spacing:0;text-transform:uppercase;margin-bottom:.35rem;font-size:.75rem;font-weight:800;display:block}.calculator-mount output.calc-result p{margin:.25rem 0}.calculator-mount output.calc-result strong{color:var(--color-accent-strong);font-size:1.14em}.calculator-mount output.calc-result ul{margin:.5rem 0 0;padding-left:1.25rem}.calculator-mount .calc-error{color:#b3261e;font-weight:700}@media (width<=680px){main{padding-top:1.35rem}h1{max-width:100%;font-size:2.15rem}.calculator-mount form.calc-form{grid-template-columns:1fr}}