:root{color-scheme:light;--ink:#152b37;--muted:#506573;--blue:#075a74;--light:#e8f3f6;--line:#dbe4e8;--bg:#f4f7f8}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:17px/1.65 system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink)}header{position:sticky;top:0;background:#fff;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:12px 22px;border-bottom:1px solid var(--line)}button,input,select{font:inherit}button{cursor:pointer;min-height:48px;border:1px solid var(--line);border-radius:12px;background:white;color:var(--ink);padding:8px 16px}button:hover{background:var(--light)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #df890b;outline-offset:3px}.brand{border:0;display:flex;gap:10px;text-align:left;padding:0;color:var(--blue);font-weight:750;font-size:23px}.brand small{display:block;font-size:12px;color:var(--muted);font-weight:500}main{max-width:1000px;margin:auto;padding:25px 20px 115px}h1{font-size:clamp(27px,5vw,38px);line-height:1.25;margin:12px 0}h2{font-size:22px;line-height:1.4}h3{font-size:18px}p{margin:10px 0}.eyebrow{font-size:13px;letter-spacing:2px;color:var(--blue);font-weight:700}.hero{padding:25px 28px;background:#e4eff3;border:1px solid #cedfe6;border-radius:22px;margin-bottom:25px}.hero p{max-width:650px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.tool{display:block;text-align:left;width:100%;padding:23px;background:white;border-radius:18px}.tool .n{font-size:14px;color:var(--blue);font-weight:700}.tool strong{display:block;font-size:22px;margin:9px 0}.tool p{font-size:15px;color:var(--muted)}.muted,small{color:var(--muted)}.bar{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.primary{background:var(--blue);color:white;border:0}.primary:hover{background:#06465b}.panel{background:white;border:1px solid var(--line);border-radius:18px;margin:16px 0;padding:22px}.notice{background:#fff4da;border-left:4px solid #b57800;padding:14px 17px;font-size:15px;margin:16px 0}.rowgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}.field{display:block;min-width:0}.field span{font-size:14px;color:var(--muted);display:block;margin-bottom:5px;white-space:pre-line}input,select{width:100%;min-height:50px;border:1px solid #b6c9d1;border-radius:10px;padding:10px;background:#f8fcfd;color:var(--ink)}input[aria-invalid=true]{border-color:#b63327;background:#fff6f5}.error{font-size:13px;color:#a22c21;display:block}output{display:block;font-size:23px;font-weight:750;overflow-wrap:anywhere;color:var(--blue)}output.error{font-size:16px;color:#a22c21}.reference{font-size:15px;white-space:pre-line;overflow-wrap:anywhere}.resultfield{padding:13px;border-radius:10px;background:#eff6f8}.resultfield span{display:block;font-size:14px;white-space:pre-line}details{margin-top:14px;font-size:14px}summary{cursor:pointer;color:var(--blue);min-height:40px}code{display:block;font-size:13px;background:#f5f7f8;padding:10px;white-space:pre-wrap;overflow-wrap:anywhere}.empty{text-align:center;padding:45px 15px}.case{margin:12px 0}nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;background:#fff;border-top:1px solid var(--line);padding:8px 12px max(8px,env(safe-area-inset-bottom));z-index:6;gap:8px}nav button{border:0;font-size:15px;flex:1;max-width:230px}#toast{position:fixed;bottom:85px;left:50%;transform:translateX(-50%);background:#17333f;color:white;border-radius:12px;padding:10px 20px;display:none;z-index:8;max-width:90%}.sheetselect{max-width:100%}.preview-grid{display:grid;gap:5px;padding:15px;border:2px solid #6f8995;border-radius:8px;max-width:450px;min-height:150px}.lamp{display:block;border-radius:50%;width:14px;height:14px;background:#07718d;justify-self:center;align-self:center}.pill{display:inline-block;border-radius:99px;background:#dcecf2;color:var(--blue);padding:3px 12px;font-size:13px}.bad{color:#a22c21}.good{color:#075f42}a{color:#075a74}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:600px){.grid{grid-template-columns:1fr}.hero{padding:22px}.tool{padding:20px}.panel{padding:17px}.rowgrid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}header{padding:10px 16px}main{padding:18px 14px 110px}}@media print{header,nav,.bar,button{display:none}main{padding:0;max-width:none}.panel{break-inside:avoid}body{background:white}}

@media(max-width:600px){nav{gap:0;padding-left:2px;padding-right:2px}nav button{font-size:13px;padding:8px 3px}}