:root{--color-bg: #fafaf8;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-muted: #55554f;--color-border: #d8d8d2;--color-border-strong: #b8b8b0;--color-accent: #b5480d;--color-accent-dark: #8a380a;--color-accent-contrast: #ffffff;--color-ad-label: #6b6b63;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--max-width: 960px;--radius: 4px}*{box-sizing:border-box}html{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-text-size-adjust:100%}body{margin:0;line-height:1.55;font-size:17px}img{max-width:100%;height:auto}a{color:var(--color-accent)}a:hover{color:var(--color-accent-dark)}.wrap{max-width:var(--max-width);margin:0 auto;padding:0 20px}h1,h2,h3,h4{line-height:1.25;font-weight:700}h1{font-size:1.9rem;margin:.3em 0 .4em}h2{font-size:1.35rem;margin:1.6em 0 .6em;border-bottom:1px solid var(--color-border);padding-bottom:.3em}h3{font-size:1.1rem;margin:1.2em 0 .4em}p{margin:0 0 1em}table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem}th,td{border:1px solid var(--color-border);padding:.5em .7em;text-align:left}th{background:#f0f0ec}.table-scroll{overflow-x:auto;border:1px solid transparent}code{background:#f0f0ec;padding:.1em .35em;border-radius:3px;font-size:.9em}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-surface)}.site-header .header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;gap:16px}.wordmark{font-size:1.3rem;font-weight:800;color:var(--color-text);text-decoration:none;letter-spacing:-.01em}.wordmark:hover{color:var(--color-text)}.main-nav{display:flex;gap:28px}.main-nav .nav-group{position:relative}.main-nav .nav-label{font-weight:600;font-size:.95rem;cursor:pointer;background:none;border:none;font-family:inherit;color:var(--color-text);padding:8px 0}.main-nav 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0;text-decoration:none;color:var(--color-text);border-bottom:1px solid var(--color-border)}@media (max-width: 760px){.main-nav{display:none}.hamburger{display:inline-block}}.tagline{color:var(--color-text-muted);font-size:1.05rem;margin-top:0}.site-footer{border-top:1px solid var(--color-border);margin-top:48px;padding:32px 0 40px;background:var(--color-surface);font-size:.92rem}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}.footer-grid h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);margin:0 0 .6em}.footer-grid ul{list-style:none;margin:0;padding:0}.footer-grid li{margin-bottom:.4em}.footer-grid a{text-decoration:none;color:var(--color-text)}.footer-grid a:hover{color:var(--color-accent)}.footer-bottom{border-top:1px solid var(--color-border);padding-top:16px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;color:var(--color-text-muted)}.footer-bottom a{color:var(--color-text-muted)}@media (max-width: 640px){.footer-grid{grid-template-columns:1fr 1fr}}.breadcrumbs{font-size:.88rem;color:var(--color-text-muted);margin:20px 0 4px}.breadcrumbs a{color:var(--color-text-muted);text-decoration:none}.breadcrumbs a:hover{color:var(--color-accent);text-decoration:underline}.breadcrumbs .sep{margin:0 6px}.tool-summary{font-size:1.08rem;color:var(--color-text);max-width:70ch}.ad-slot{margin:24px 0;border:1px solid var(--color-border);background:#f3f3ef;padding:10px;text-align:center}.ad-slot .ad-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--color-ad-label);margin-bottom:8px}.ad-slot .ad-placeholder{border:1px dashed var(--color-border-strong);padding:24px 12px;color:var(--color-ad-label);font-size:.85rem;min-height:90px;display:flex;align-items:center;justify-content:center}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0 40px}.tool-card{border:1px solid var(--color-border);border-radius:var(--radius);padding:16px 18px;background:var(--color-surface);text-decoration:none;color:var(--color-text);display:block}.tool-card:hover{border-color:var(--color-accent)}.tool-card h3{margin:0 0 6px;font-size:1.05rem;color:var(--color-text)}.tool-card p{margin:0;font-size:.92rem;color:var(--color-text-muted)}@media (max-width: 640px){.tool-grid{grid-template-columns:1fr}}.calc-box{border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;background:var(--color-surface);margin:20px 0}.field-row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:16px}.field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:160px}.field label{font-size:.88rem;font-weight:600}.field input,.field select{font-family:inherit;font-size:1rem;padding:9px 10px;border:1px solid var(--color-border-strong);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text)}.field input:focus,.field select:focus{outline:2px solid var(--color-accent);outline-offset:1px}.field .error-msg{font-size:.85rem;color:#a3231a;display:none}.field.has-error input{border-color:#a3231a}.field.has-error .error-msg{display:block}.btn{font-family:inherit;font-size:1rem;font-weight:600;padding:10px 20px;background:var(--color-accent);color:var(--color-accent-contrast);border:none;border-radius:var(--radius);cursor:pointer}.btn:hover{background:var(--color-accent-dark)}.btn.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border-strong)}.btn.btn-secondary:hover{border-color:var(--color-accent);color:var(--color-accent)}.quick-tips{display:flex;gap:8px;flex-wrap:wrap}.quick-tips button[aria-pressed=true]{background:var(--color-accent);color:var(--color-accent-contrast);border-color:var(--color-accent)}.result-box{border:1px solid var(--color-border-strong);border-radius:var(--radius);background:#f7f0ea;padding:18px;margin-top:4px}.result-box[hidden]{display:none}.result-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--color-border);font-size:.98rem}.result-row:last-child{border-bottom:none}.result-row[hidden]{display:none}.result-row .value{font-weight:700}.result-headline{font-size:1.2rem;font-weight:700;margin-bottom:8px}.faq-item{border-bottom:1px solid var(--color-border);padding:14px 0}.faq-item:first-child{border-top:1px solid var(--color-border)}.faq-item h3{margin:0 0 6px;font-size:1.02rem}.faq-item p{margin:0;color:var(--color-text-muted)}.related-tools ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-tools a{display:block;border:1px solid var(--color-border);border-radius:var(--radius);padding:12px 14px;text-decoration:none;color:var(--color-text);font-size:.92rem;font-weight:600}.related-tools a:hover{border-color:var(--color-accent);color:var(--color-accent)}@media (max-width: 640px){.related-tools ul{grid-template-columns:1fr}}.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--color-surface);border-top:1px solid var(--color-border-strong);padding:16px 20px;z-index:100;box-shadow:0 -2px 8px #0000000f}.cookie-banner[hidden]{display:none}.cookie-banner-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.cookie-banner p{margin:0;font-size:.9rem;color:var(--color-text-muted);flex:1;min-width:240px}.cookie-banner-actions{display:flex;gap:10px;flex-wrap:wrap}.category-heading{margin-top:2em}.disclaimer{font-size:.9rem;color:var(--color-text-muted);font-style:italic}.section-intro{color:var(--color-text)}.checkbox-field{display:flex;align-items:center;gap:8px;font-size:.95rem}.checkbox-grid{display:flex;flex-wrap:wrap;gap:10px 20px;margin:4px 0 0}.mode-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.mode-tabs button[aria-pressed=true]{background:var(--color-accent);color:var(--color-accent-contrast);border-color:var(--color-accent)}.plate-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.plate-list li{border:1px solid var(--color-border-strong);border-radius:var(--radius);padding:8px 14px;font-weight:700;background:var(--color-surface)}.zone-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--color-border)}.zone-row:last-child{border-bottom:none}.zone-row .zone-name{font-weight:600}.zone-row .zone-pct{color:var(--color-text-muted);font-size:.9rem}