:root{--bg: #fbfaf6;--surface: #ffffff;--ink: #1d2433;--muted: #5d6576;--line: #e4e2da;--brand: #2756d8;--brand-ink: #ffffff;--brand-soft: #e9efff;--accent: #f2a516;--radius: 14px;--shadow: 0 1px 2px rgba(20, 24, 40, .06), 0 6px 24px rgba(20, 24, 40, .06);--font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display: "Fredoka", var(--font-ui)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--font-ui)}img,svg{max-width:100%}a{color:var(--brand)}h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.2;letter-spacing:-.01em}h1{font-size:clamp(1.9rem,4vw,2.7rem);margin:0 0 .6rem}h2{font-size:1.6rem;margin:2.4rem 0 .8rem}h3{font-size:1.15rem;margin:1.6rem 0 .4rem}.wrap{max-width:1180px;margin:0 auto;padding:0 16px}.prose{max-width:760px}.prose p,.prose li{color:#343b4b}.site-head{background:var(--surface);border-bottom:1px solid var(--line)}.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--font-display);font-weight:600;font-size:1.25rem}.logo svg{width:34px;height:34px}.logo b{color:var(--brand);font-weight:600}.nav{display:flex;gap:2px}.nav-item{position:relative}.nav-btn{font:inherit;font-size:.95rem;color:var(--muted);background:none;border:0;padding:8px 10px;border-radius:8px;cursor:pointer}.nav-btn span{font-size:.7rem}.nav-item:hover .nav-btn,.nav-item:focus-within .nav-btn{color:var(--ink);background:#f1f0ea}.nav-menu{display:none;position:absolute;right:0;top:100%;z-index:20;min-width:250px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px #14182824}.nav-menu.wide{width:520px;display:none;grid-template-columns:1fr 1fr}.nav-item:hover .nav-menu,.nav-item:focus-within .nav-menu{display:grid}.nav-menu a{display:block;padding:7px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.92rem;white-space:nowrap}.nav-menu a:hover,.nav-menu a[aria-current=page]{background:var(--brand-soft);color:var(--brand)}.nav-menu a.all{grid-column:1 / -1;color:var(--brand);font-weight:600}.nav-menu.mega{width:min(1040px,calc(100vw - 40px));grid-template-columns:1fr;gap:6px;padding:12px}.nav-item:hover .nav-menu.mega,.nav-item:focus-within .nav-menu.mega{display:grid}.mega-top{display:flex;flex-wrap:wrap;gap:0 4px;border-bottom:1px solid var(--line);padding-bottom:6px}.mega-top a{font-weight:600}.mega-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:4px 10px}.mega-cols b{display:block;font-family:var(--font-display);font-weight:600;font-size:.85rem;color:var(--muted);padding:6px 10px 2px;text-transform:uppercase;letter-spacing:.03em}.mega-cols a{padding:4px 10px;font-size:.88rem;white-space:normal}.mnav-panel i{display:block;font-style:normal;font-size:.8rem;color:var(--muted);margin:8px 0 2px;text-transform:uppercase;letter-spacing:.03em}.mnav{display:none}.mnav summary{list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--line);border-radius:10px;font-weight:600;font-size:.95rem}.mnav summary::-webkit-details-marker{display:none}.mnav-panel{position:absolute;left:0;right:0;top:64px;z-index:30;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 12px 32px #14182824;padding:12px 16px 20px;max-height:calc(100vh - 64px);overflow:auto;display:grid;gap:14px}.mnav-panel b{display:block;font-family:var(--font-display);font-weight:600;margin-bottom:4px}.mnav-panel a{display:block;padding:6px 0;color:var(--ink);text-decoration:none}.site-head{position:relative}@media(max-width:900px){.nav{display:none}.mnav{display:block}}.site-foot{margin-top:64px;border-top:1px solid var(--line);background:var(--surface);padding:32px 0 40px;font-size:.93rem;color:var(--muted)}.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}.site-foot h4{margin:0 0 8px;color:var(--ink);font-size:.95rem}.site-foot ul{list-style:none;padding:0;margin:0}.site-foot li{margin:4px 0}.site-foot a{color:var(--muted);text-decoration:none}.site-foot a:hover{color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 16px;border-radius:10px;font:600 .95rem/1 var(--font-ui);cursor:pointer;text-decoration:none}.btn:hover{border-color:#c9c6ba}.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.btn-primary:hover{background:#1f47ba;border-color:#1f47ba}.btn svg{width:18px;height:18px}.field{display:grid;gap:6px;margin-bottom:14px}.field>span,.field legend{font-weight:600;font-size:.9rem}.field small{color:var(--muted);font-size:.82rem}input[type=text],input[type=number],select,textarea{width:100%;font:inherit;font-size:.95rem;color:var(--ink);border:1px solid #d6d3c8;border-radius:9px;background:#fff;padding:8px 10px}textarea{min-height:120px;resize:vertical;line-height:1.45}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.checks{display:grid;gap:6px;border:0;padding:0;margin:0 0 14px}.checks label{display:flex;gap:8px;align-items:center;font-size:.93rem}fieldset.field{border:0;padding:0;margin:0 0 14px}.hero{padding:36px 0 12px}.hero p.lead{font-size:1.12rem;color:var(--muted);max-width:720px;margin:0}.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:10px}.crumbs a{color:var(--muted)}.tool{display:grid;grid-template-columns:340px minmax(0,1fr);gap:24px;align-items:start;margin-top:20px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto}.panel h2{font-size:1.05rem;margin:0 0 14px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:6px}.actions .btn-primary{grid-column:1 / -1;padding:13px 16px}.hint{font-size:.82rem;color:var(--muted);margin:10px 0 0}.preview{background:#ecebe4;border-radius:var(--radius);padding:18px;min-height:400px;display:grid;gap:18px;justify-items:center}.preview-label{font-size:.8rem;color:var(--muted);justify-self:start;margin:-4px 0 -8px}@media(max-width:900px){.tool{grid-template-columns:1fr}.panel{position:static;max-height:none}.preview{padding:10px}}.trust{list-style:none;display:flex;flex-wrap:wrap;gap:6px 18px;padding:0;margin:14px 0 0;font-size:.92rem;color:var(--muted)}.trust li{display:flex;gap:6px;align-items:center}.trust span{color:#1f8a4c;font-weight:700}.trust a{color:inherit}.noai{margin:12px 0 0;padding:10px 12px;border-radius:10px;background:#eef8f1;color:#1d4d33;font-size:.84rem;line-height:1.45}.noai a{color:#1d4d33}.noai-band{margin:36px 0 0;padding:22px 24px;border-radius:var(--radius);background:#eef8f1;border:1px solid #cfe9d9}.noai-band h2{margin:0 0 8px}.noai-band ul{margin:10px 0 0}.examples{margin-top:8px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}.gallery figure{margin:0}.gallery img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);background:#fff}.gallery figcaption{font-size:.88rem;color:var(--muted);margin-top:8px;text-align:center}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:18px}.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .12s ease,border-color .12s ease}.card:hover{transform:translateY(-2px);border-color:#c9c6ba}.card .ico{font-size:1.6rem;line-height:1}.card h3{margin:10px 0 4px;font-size:1.1rem}.card p{margin:0;color:var(--muted);font-size:.92rem}.card .tag{display:inline-block;margin-top:10px;font-size:.75rem;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:2px 8px;border-radius:99px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:10px 0}.faq summary{cursor:pointer;font-weight:600}.faq details p{margin:8px 0 2px}.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding-left:40px;margin:10px 0}.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-weight:700;display:grid;place-items:center;font-size:.9rem}.sheet{--pw: 8.5in;--ph: 11in;width:var(--pw);height:var(--ph);background:#fff;color:#111;padding:.5in;display:flex;flex-direction:column;box-shadow:0 2px 10px #0000001f;overflow:hidden;font-family:"Andika",var(--font-ui)}.sheet[data-paper=a4]{--pw: 8.27in;--ph: 11.69in}.sheet-head{height:.9in;flex:none;display:flex;flex-direction:column;justify-content:flex-start}.sheet-head.compact{height:.55in}.sheet-meta{display:flex;gap:.3in;font-size:11pt;color:#333}.sheet-meta span{flex:1;border-bottom:1px solid #555;padding-bottom:2px}.sheet-meta span:last-child{flex:0 0 2in}.sheet-title{font-family:Fredoka,Andika,sans-serif;font-weight:600;font-size:20pt;margin:.1in 0 0;line-height:1.1}.sheet-sub{font-size:11pt;color:#444;margin-top:2px}.sheet-body{flex:1;min-height:0;position:relative;padding-top:8px}.sheet-head+.sheet-body{padding-top:8px}.sheet>.sheet-body:first-child{padding-top:0}.sheet-foot{height:.3in;flex:none;display:flex;align-items:flex-end;justify-content:space-between;font-size:8pt;color:#888}.sheet svg{display:block;overflow:visible}.mgrid{display:grid;height:100%;align-content:start}.mprob{display:flex;align-items:flex-start;gap:6px;font-size:15pt;font-variant-numeric:tabular-nums}.mprob .n{font-size:9pt;color:#777;width:.3in;flex:none;padding-top:3px}.vstack{display:inline-grid;justify-items:end;font-family:Andika,monospace;line-height:1.25}.vstack .op{display:flex;gap:10px;border-bottom:2px solid #111;padding-bottom:2px;min-width:.9in;justify-content:space-between}.vstack .ans{color:#c0262d;font-weight:700;min-height:1.3em}.hline{font-family:Andika,sans-serif}.blank{display:inline-block;min-width:.8in;border-bottom:1.5px solid #111;text-align:center;color:#c0262d;font-weight:700}.key .mprob{font-size:12pt}.tiles{display:flex;gap:4px;flex-wrap:wrap}.tile{width:.32in;height:.36in;border:1.5px solid #333;border-radius:5px;display:grid;place-items:center;font-weight:700;font-size:13pt;text-transform:lowercase}.boxes{display:flex;gap:3px}.box{width:.3in;height:.34in;border-bottom:2px solid #333;display:grid;place-items:end center;font-size:13pt;color:#c0262d;font-weight:700}.wlist{display:grid;gap:.18in}.witem{display:flex;align-items:center;gap:.15in;font-size:14pt}.witem .n{width:.3in;color:#777;font-size:10pt}.wbank{border:1.5px dashed #999;border-radius:10px;padding:8px 12px;font-size:12pt;display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:.2in}.wbank b{width:100%;font-family:Fredoka,sans-serif;font-weight:600}.wsgrid{display:grid;margin:0 auto;border:2px solid #222;border-radius:6px}.wsgrid div{display:grid;place-items:center;font-weight:700;text-transform:uppercase}.wsgrid .hit{background:#ffe9a8;border-radius:4px}@page{margin:0}@media print{html,body{background:#fff!important}body>*:not(main),.no-print,.site-head,.site-foot,.panel,.hero,.after-tool,.preview-label{display:none!important}main,.tool,.preview{display:block!important;padding:0!important;margin:0!important;max-width:none!important;background:none!important;border-radius:0!important}.sheet{zoom:1!important;box-shadow:none!important;break-after:page;page-break-after:always;margin:0!important}.sheet:last-child{break-after:auto;page-break-after:auto}.print-hide{display:none!important}}.frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.15;font-size:.92em;margin:0 2px}.frac>span:first-child{border-bottom:1.5px solid currentColor;padding:0 3px}.ldiv{display:inline-grid;grid-template-columns:auto auto;font-size:16pt;font-family:Andika,sans-serif;margin-top:4px}.ldiv .q{grid-column:2;min-height:1.3em;text-align:right;padding-right:4px}.ldiv .dv{padding:2px 6px 0 0}.ldiv .dd{border-left:2px solid #111;border-top:2px solid #111;border-top-left-radius:0;padding:2px 6px 0 8px;letter-spacing:.06em}.cp-points{display:flex;flex-wrap:wrap;gap:.12in .3in;justify-content:center;font-size:11pt;width:100%}.cp-line b{display:block;font-family:Fredoka,sans-serif;font-weight:600;font-size:11pt;margin-bottom:2px}.cp-line ol{list-style:none;margin:0;padding:0;columns:2;column-gap:.18in}.cp-line li{white-space:nowrap;font-variant-numeric:tabular-nums}.cp-line li span{color:#888;font-size:8.5pt;display:inline-block;min-width:.22in}.cp-line em{display:block;font-size:8.5pt;color:#777;margin-top:2px}
