:root{--brand-dark:#1a2a08;--brand-mid:#4d7c0f;--brand-bright:#65a30d;--accent:#4d7c0f;--accent-dark:#3f6212;--accent-soft:#f1f8e5;--brand-mint:#bef264;--brand-tag:#c9dfa8;--bg:#f8fafb;--surface:#fff;--ink:#16232e;--ink-soft:#4d6070;--border:#dde5ea;--radius:10px;--shadow:0 1px 3px #16232e14, 0 4px 16px #16232e0d}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);flex-direction:column;min-height:100dvh;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.6;display:flex}.wrap{max-width:760px;margin:0 auto;padding:0 20px}.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.site-header:before{content:"";background:linear-gradient(90deg, var(--brand-dark), var(--brand-mid) 55%, var(--brand-bright));height:4px;display:block}.site-header .wrap{justify-content:space-between;align-items:center;padding-top:14px;padding-bottom:14px;display:flex}.logo{color:var(--ink);letter-spacing:-.02em;font-size:1.15rem;font-weight:800;text-decoration:none}.logo span{color:var(--accent)}main{flex:1;padding:32px 0 56px}h1{letter-spacing:-.02em;margin:0 0 8px;font-size:1.9rem;line-height:1.25}.subtitle{color:var(--ink-soft);margin:0 0 24px;font-size:1.05rem}h2{letter-spacing:-.01em;margin:36px 0 10px;font-size:1.35rem}h3{margin:24px 0 8px;font-size:1.1rem}a{color:var(--accent)}.calc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:0 0 12px;padding:24px}.calc .field{margin-bottom:16px}.calc label{margin-bottom:6px;font-size:.92rem;font-weight:600;display:block}.calc input[type=number],.calc select{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--ink);border-radius:8px;padding:10px 12px;font-size:1.05rem}.calc input:focus,.calc select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.calc .row{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (width<=540px){.calc .row{grid-template-columns:1fr}}.calc .hint{color:var(--ink-soft);margin-top:4px;font-size:.82rem}.results{background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:8px;margin:20px 0 14px;padding:18px 20px}.results .big{color:var(--accent-dark);letter-spacing:-.02em;font-size:1.9rem;font-weight:800}.results .big-label{color:var(--accent-dark);text-transform:uppercase;letter-spacing:.04em;font-size:.85rem;font-weight:600}.results table{border-collapse:collapse;width:100%;margin-top:10px;font-size:.98rem}.results td{border-bottom:1px solid color-mix(in srgb, var(--accent) 15%, transparent);padding:6px 0}.results tr:last-child td{border-bottom:none}.results td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}.disclaimer{color:var(--ink-soft);margin:10px 0 0;font-size:.82rem}.content{margin-top:8px}.content .formula{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 18px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.95rem;overflow-x:auto}.faq details{background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:10px;padding:14px 18px}.faq summary{cursor:pointer;font-weight:600}.faq details p{color:var(--ink-soft);margin:10px 0 0}.tool-grid{grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;display:grid}@media (width<=540px){.tool-grid{grid-template-columns:1fr}}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--ink);padding:16px 18px;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:block}.tool-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.tool-card strong{color:var(--accent-dark);margin-bottom:4px;display:block}.tool-card span{color:var(--ink-soft);font-size:.9rem}.ad-slot{display:none}.foot-block{--wave-sky:var(--bg);background:linear-gradient(160deg, var(--brand-dark), var(--brand-mid))}.signup-block+.foot-block{--wave-sky:var(--accent-soft)}.site-footer{color:var(--brand-tag);background:0 0;padding:26px 0 32px;font-size:.88rem}.site-footer strong{color:#fff}.site-footer .foot-mark{vertical-align:-5px;border-radius:5px;width:22px;height:22px;margin-right:6px}.site-footer a{color:var(--brand-mint)}.tool-actions{flex-wrap:wrap;align-items:flex-start;gap:10px;margin:0 0 12px;display:flex}.tool-actions .share-btn{margin:0}.embed-box{color:var(--ink-soft);font-size:.85rem}.embed-box[open]{flex-basis:100%}.embed-box p{margin:10px 0 6px}.embed-box summary{cursor:pointer;color:var(--accent-dark);background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);border-radius:8px;padding:8px 14px;font-family:inherit;font-size:.85rem;font-weight:600;line-height:1.3;list-style:none;display:inline-block}.embed-box summary::-webkit-details-marker{display:none}.embed-box summary:hover,.embed-box[open] summary{border-color:var(--accent)}.embed-box textarea{border:1px solid var(--border);width:100%;color:var(--ink-soft);border-radius:8px;margin-top:8px;padding:8px;font-family:ui-monospace,Menlo,monospace;font-size:.78rem}.embed-mode .site-header,.embed-mode .site-footer,.embed-mode .subtitle,.embed-mode .embed-box,.embed-mode .ad-slot,.embed-mode .content,.embed-mode .faq,.embed-mode section{display:none}.embed-mode main{padding:8px 0}.embed-mode h1{font-size:1.2rem}.share-btn{color:var(--accent-dark);background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);cursor:pointer;border-radius:8px;margin:0 0 10px;padding:8px 14px;font-family:inherit;font-size:.85rem;font-weight:600;line-height:1.3;display:inline-block}.share-btn:hover{border-color:var(--accent)}.featured-callout{background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 25%, transparent);border-radius:var(--radius);margin:24px 0 8px;padding:20px 24px}.featured-callout h2{margin:0 0 6px}.featured-callout p{color:var(--ink-soft);margin:0 0 14px}.featured-callout .share-btn{margin:0;text-decoration:none}.amzn-link{color:#fff;white-space:nowrap;background:#232f3e;border:1px solid #232f3e;border-radius:999px;width:fit-content;margin-top:6px;padding:4px 12px;font-size:.78rem;font-weight:700;text-decoration:none;display:block}.amzn-link:hover{background:#37475a}.amzn-link:after{content:" ›";color:#f90;font-weight:800}.signup-block{background:var(--accent-soft);margin-top:36px}.signup-wave{width:100%;height:42px;display:block}.signup-band{background:0 0;padding:16px 0 26px}.signup-band h2{margin:0 0 4px;font-size:1.2rem}.signup-band p{color:var(--ink-soft);margin:0 0 12px;font-size:.95rem}.signup-band form{flex-wrap:wrap;gap:8px;display:flex}.signup-band input[type=email]{border:1px solid var(--border);border-radius:8px;flex:1;min-width:220px;padding:10px 12px;font-size:1rem}.signup-band button{color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-family:inherit;font-size:.95rem;font-weight:700}.signup-band button:hover{background:var(--accent-dark)}.signup-band .signup-note{margin:8px 0 0;font-size:.8rem}.crumbs{color:var(--ink-soft);margin-bottom:10px;font-size:.85rem}.crumbs a{color:var(--ink-soft);text-decoration:none}.crumbs a:hover{color:var(--accent)}.glossary dt{margin-top:18px;scroll-margin-top:20px;font-weight:700}.glossary dd{color:var(--ink-soft);margin:4px 0 0}.site-header .wrap{gap:12px}.hdr-search{flex:1;max-width:300px;margin-left:auto;position:relative}.hdr-search input{border:1px solid var(--border);border-radius:8px;width:100%;padding:7px 12px;font-family:inherit;font-size:.9rem}.hdr-search input:focus{border-color:var(--accent);outline:none}.hdr-results{background:var(--surface);border:1px solid var(--border);width:min(360px,90vw);box-shadow:var(--shadow);z-index:50;border-radius:10px;position:absolute;top:calc(100% + 6px);right:0;overflow:hidden}.hdr-results a{border-bottom:1px solid var(--border);padding:10px 14px;text-decoration:none;display:block}.hdr-results a:last-child{border-bottom:none}.hdr-results a:hover{background:var(--accent-soft)}.hdr-results a strong{color:var(--accent-dark);font-size:.92rem;display:block}.hdr-results a span{color:var(--ink-soft);font-size:.8rem}.hdr-none{color:var(--ink-soft);padding:12px 14px;font-size:.85rem}@media (width<=640px){.hdr-search{max-width:none;margin-left:14px}.hdr-search input{font-size:16px}.hdr-results{width:auto;position:fixed;top:60px;left:12px;right:12px}.embed-box textarea{font-size:16px}}@media (width<=560px){.results table,.results tbody{display:block}.results tr{border-bottom:1px solid color-mix(in srgb, var(--accent) 15%, transparent);padding:9px 0;display:block}.results tr:last-child{border-bottom:none}.results td{text-align:left;border-bottom:none;width:100%;padding:0;display:block}.results td:last-child{text-align:left;margin-top:3px;font-size:1.02rem}.results .amzn-link{margin-top:5px;margin-bottom:2px}}html{scroll-behavior:smooth}main section{scroll-margin-top:16px}.cat-pills{flex-wrap:wrap;gap:8px;margin:18px 0 4px;display:flex}.cat-pills a{color:var(--accent-dark);background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 25%, transparent);white-space:nowrap;border-radius:999px;padding:6px 13px;font-size:.85rem;font-weight:600;text-decoration:none}.cat-pills a:hover{border-color:var(--accent)}.embed-box textarea{background:var(--surface);color:var(--ink-soft)}@media (prefers-color-scheme:dark){:root{--bg:#0e151c;--surface:#17212b;--ink:#e8eef4;--ink-soft:#9db0c0;--border:#2b3a47;--shadow:0 1px 3px #00000080, 0 4px 16px #00000059;--accent-soft:color-mix(in srgb, var(--accent) 16%, #121a22);--accent-dark:color-mix(in srgb, var(--accent) 55%, #fff)}.site-header,.site-footer{color-scheme:dark}.ad-slot{border-color:var(--border);color:#4a5a68}}.cat-ico{vertical-align:-3px;color:var(--accent);margin-right:6px;display:inline-flex}.cat-pills .cat-ico{vertical-align:-3.5px;margin-right:4px}.cat-ico svg{width:18px;height:18px}.cat-pills .cat-ico svg{width:15px;height:15px}.foot-wave{width:100%;height:52px;display:block}