:root{color-scheme:light;--ink:#14251f;--muted:#52655e;--green:#075c45;--green-dark:#044433;--green-soft:#e7f3ee;--line:#cad7d2;--paper:#fff;--canvas:#f5f7f6;--red:#a01827;--red-soft:#fff0f1;--amber:#775a00;--amber-soft:#fff7d6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--canvas);color:var(--ink);margin:0;line-height:1.55}button,input,select,textarea{font:inherit}button,a,select,input,textarea{outline-offset:3px}:focus-visible{outline:3px solid #007b5d}a{color:var(--green)}.container{width:min(1120px,100% - 32px);margin-inline:auto}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:20;background:var(--paper);padding:12px;position:absolute;top:-80px;left:16px}.skip-link:focus{top:12px}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.nav-wrap{align-items:center;gap:28px;min-height:68px;display:flex}.brand{color:var(--ink);letter-spacing:-.02em;font-weight:780;text-decoration:none}nav{gap:22px;margin-inline-start:auto;display:flex}nav a{color:var(--ink);font-weight:600;text-decoration:none}.language-picker select{border:1px solid var(--line);background:var(--paper);max-width:150px;color:var(--ink);border-radius:7px;padding:8px}.hero{background:var(--paper);border-bottom:1px solid var(--line);padding:72px 0 42px}.hero-grid{grid-template-columns:minmax(0,1fr) 280px;align-items:end;gap:72px;display:grid}.eyebrow{color:var(--green);text-transform:uppercase;letter-spacing:.09em;margin:0 0 10px;font-size:.82rem;font-weight:800}h1,h2,h3,h4{letter-spacing:-.025em;line-height:1.15}h1{max-width:820px;margin:0;font-size:clamp(2.35rem,6vw,4.8rem)}.hero-copy{max-width:760px;color:var(--muted);margin:24px 0 12px;font-size:clamp(1.05rem,2vw,1.3rem)}.limit{max-width:760px;color:var(--muted);font-size:.92rem}.hero aside{border-inline-start:4px solid var(--green);gap:3px;padding:8px 0 8px 20px;font-size:.92rem;display:grid}.tool-shell{padding:56px 0 72px}.section-heading{max-width:780px;margin-bottom:24px}.section-heading h2{margin:0;font-size:clamp(1.75rem,4vw,2.65rem)}.tool-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:clamp(20px,4vw,42px);box-shadow:0 12px 32px #19342b0f}.tabs{border-bottom:1px solid var(--line);gap:5px;padding-bottom:1px;display:flex;overflow-x:auto}.tabs button{color:var(--muted);white-space:nowrap;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:12px 18px;font-weight:700}.tabs button.active{color:var(--green);border-color:var(--green)}.input-panel{padding-top:28px}.dropzone{text-align:center;cursor:pointer;background:#fbfcfb;border:2px dashed #8ba69c;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:230px;padding:32px;display:flex}.dropzone span{font-size:1.2rem;font-weight:750}.dropzone small,.hint,.privacy-note{color:var(--muted)}.dropzone input{max-width:100%;margin-top:16px}.selected-file{background:var(--green-soft);overflow-wrap:anywhere;border-radius:7px;justify-content:space-between;align-items:center;gap:20px;margin-top:16px;padding:14px;display:flex}.selected-file button{color:var(--green);cursor:pointer;background:0 0;border:0;text-decoration:underline}.button{cursor:pointer;border:1px solid #0000;border-radius:7px;min-height:46px;padding:10px 18px;font-weight:760}.button:disabled{cursor:not-allowed;opacity:.55}.button.primary{background:var(--green);color:#fff}.button.primary:hover{background:var(--green-dark)}.button.secondary{background:var(--paper);color:var(--green);border-color:var(--green)}.button.ghost{color:var(--green);background:0 0}.actions{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.error-summary{border:2px solid 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var(--green);padding:20px}.result-banner.rejected,.result-banner.validator_failure{background:var(--red-soft);border-color:var(--red)}.result-banner.unsupported{background:var(--amber-soft);border-color:var(--amber)}.result-banner h3,.result-banner p{margin:0 0 6px}.result-meta{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(4,1fr);gap:1px;margin:22px 0;display:grid}.result-meta div{background:var(--paper);padding:14px}dt{color:var(--muted);font-size:.83rem;font-weight:650}dd{overflow-wrap:anywhere;margin:4px 0 0;font-weight:700}.finding-list{gap:12px;display:grid}.finding{border:1px solid var(--line);border-inline-start:5px solid #70857d;padding:16px}.finding.error{border-inline-start-color:var(--red)}.finding.warning{border-inline-start-color:var(--amber)}.finding>div{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.severity,.fix-class{background:var(--canvas);border-radius:4px;padding:3px 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span{color:var(--muted);margin-bottom:5px;font-size:.78rem;font-weight:750;display:block}.example{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:24px}.example-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.example-grid strong,.example-grid code{display:block}.example-grid code{background:var(--canvas);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:6px;margin-top:8px;padding:12px;overflow-x:auto}.source-list{gap:14px;padding:0;list-style:none;display:grid}.source-list li{border-bottom:1px solid var(--line);padding-bottom:14px}.source-list span{color:var(--muted);margin-top:3px;display:block}.content-cta{background:var(--green);color:var(--paper);border-radius:10px;margin-top:56px;padding:clamp(24px,4vw,36px)}.content-cta h2{margin-top:0}.content-cta .button{align-items:center;text-decoration:none;display:inline-flex}.content-cta 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22px,1120px)}.nav-wrap{flex-wrap:wrap;gap:12px;padding-block:12px}nav{order:3;justify-content:space-between;width:100%;margin:0}.language-picker{margin-inline-start:auto}.hero{padding-top:45px}.hero-grid{grid-template-columns:1fr;gap:24px}.tool-shell{padding-top:38px}.tool-card{border-radius:8px;padding:18px}.tabs button{padding-inline:12px}.result-meta,.field-grid,.review-group dl,.rule-fact dl,.example-grid{grid-template-columns:1fr}.changes li{grid-template-columns:1fr;gap:3px}.site-footer .container{display:block}}