:root{--ink:#20233b;--muted:#63667b;--brand:#5046e5;--line:#e2e4ed;--paper:#f7f8fc;--green:#16765b;--radius:18px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a:hover{color:var(--brand)}.skip{position:absolute;left:20px;top:-60px;background:white;padding:12px;z-index:9}.skip:focus{top:12px}.sidebar{width:222px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:32px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:800;letter-spacing:-1px}.mark{display:grid;place-items:center;width:42px;height:42px;background:var(--brand);color:white;border-radius:12px;font-size:25px;font-weight:800}.brand small{display:block;font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-top:2px}.nav-label{font-size:11px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin:46px 12px 12px}.nav-link{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;font-size:14px;margin-bottom:5px}.nav-link.active{background:#eeecff;color:var(--brand);font-weight:650}.nav-icon{font-size:20px;width:22px;text-align:center}.side-bottom{margin-top:auto;font-size:12px;color:var(--muted);line-height:1.7}.side-bottom strong{display:block;color:var(--ink);font-size:14px}.workspace{margin-left:222px;min-height:100vh}.topbar{height:76px;padding:0 48px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:var(--muted)}.status{display:flex;align-items:center;gap:7px;color:var(--green)}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:#209d76}.content{max-width:1260px;margin:auto;padding:38px 48px 60px}.eyebrow{font-size:12px;letter-spacing:.11em;text-transform:uppercase;font-weight:650;color:var(--brand)}h1{font-size:40px;line-height:1.12;letter-spacing:-1.5px;margin:14px 0}h2{font-size:21px;letter-spacing:-.4px;margin:0 0 12px}h3{font-size:17px;margin:0 0 8px}p{line-height:1.65}.lede{color:var(--muted);margin:0;max-width:730px}.intro{margin-bottom:28px}.intro h1 span{color:var(--brand)}.section-head{display:flex;justify-content:space-between;align-items:center;margin:30px 0 15px;gap:15px}.section-head h2{margin:0}.pill{font-size:12px;border-radius:30px;padding:6px 10px;background:#fff;border:1px solid var(--line);color:var(--muted)}.quick{display:grid;grid-template-columns:1.2fr 1fr;background:#eeecff;border:1px solid #dedaff;border-radius:var(--radius);overflow:hidden}.quick-input{padding:28px}.quick-result{padding:28px;background:#e5e1ff;display:flex;flex-direction:column;justify-content:center}.quick h2{font-size:18px}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:17px;min-width:0}.field label,.field-label{font-size:14px;font-weight:600}.field input,.field select,.field textarea,.search input{width:100%;border:1px solid #d7d9e4;border-radius:10px;background:#fff;padding:12px 13px;color:var(--ink);min-height:46px}.field textarea{resize:vertical;min-height:150px;line-height:1.55}.field input[type=file]{padding:11px;font-size:14px}.field small,.help{font-size:12px;line-height:1.6;color:var(--muted)}.field input:focus,.field select:focus,.field textarea:focus,.search input:focus{border-color:var(--brand);outline:3px solid #5046e51c}.result-number{font-size:49px;font-weight:750;letter-spacing:-2px;line-height:1.2;overflow-wrap:anywhere}.result-label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#554b93;margin-bottom:10px}.result-detail{font-size:14px;line-height:1.6;color:#565177;margin-top:12px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:12px 18px;font-size:14px;font-weight:650;border:1px solid transparent;min-height:45px}.primary{background:var(--brand);color:white}.primary:hover{background:#3f36c8;color:white}.secondary{background:#fff;border-color:var(--line);color:var(--ink)}.text-link{font-size:14px;color:var(--brand);font-weight:600}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;display:flex;flex-direction:column;min-height:190px}.tool-card:hover{border-color:#a7a1f5;box-shadow:0 5px 18px #20233b08;color:inherit}.tool-symbol{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;font-weight:650;font-size:21px;color:var(--brand);background:#f0eeff;margin-bottom:18px}.tool-card p{font-size:13px;line-height:1.65;color:var(--muted);margin:0 0 18px}.card-bottom{margin-top:auto;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.card-bottom b{color:var(--brand);font-size:18px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.filter{border:1px solid var(--line);border-radius:9px;padding:9px 14px;background:white;font-size:13px}.filter.active{background:var(--ink);color:white;border-color:var(--ink)}.search{max-width:560px;position:relative;margin-top:22px}.search input{padding-left:42px}.search span{position:absolute;left:15px;top:10px;font-size:22px;color:var(--muted)}.footnotes{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:24px}.footnotes span:before{content:"✓";color:var(--green);margin-right:7px}footer{border-top:1px solid var(--line);padding:25px 48px;display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap;font-size:12px;color:var(--muted)}footer nav{display:flex;gap:20px}.tool-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:24px;align-items:start}.panel{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:28px}.result-panel{background:#eeecff;border-color:#dedaff;min-height:255px;position:sticky;top:20px}.result-panel .result-number{font-size:44px}.result-panel .secondary{margin-top:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.panel-head h2{margin:0;font-size:17px}.panel-index{font-size:12px;color:var(--muted)}.result-panel .result-number.small{font-size:25px;letter-spacing:-.5px;line-height:1.5}.error{color:#a51f38;font-size:14px;line-height:1.6}.check-row{display:flex;flex-wrap:wrap;gap:16px;margin:12px 0 22px;font-size:14px}.check-row label{display:flex;align-items:center;gap:7px}.check-row input{accent-color:var(--brand);width:17px;height:17px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.explanation{margin-top:24px}.explanation p,.explanation li{font-size:14px;color:var(--muted);line-height:1.8}.explanation li{margin:7px 0}.formula{background:var(--paper);padding:16px;border-radius:10px;font-size:14px;line-height:1.6}.related{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.related a{font-size:13px;background:var(--paper);padding:9px 12px;border:1px solid var(--line);border-radius:8px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{background:#ffffffa0;border:1px solid #dad5fa;border-radius:10px;padding:15px}.stat strong{display:block;font-size:27px}.stat span{font-size:12px;color:var(--muted)}.output-preview{display:block;max-width:100%;max-height:260px;margin:18px auto;background:white;border-radius:8px}.qr-preview{width:240px;image-rendering:pixelated;border:12px solid white}.output-code{font:600 20px/1.65 ui-monospace,monospace;overflow-wrap:anywhere;word-break:break-all;background:#ffffffa0;padding:16px;border-radius:10px;user-select:all}.notice{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;padding:16px 20px;font-size:14px;line-height:1.7;color:var(--muted);margin-top:24px}.empty{grid-column:1/-1;text-align:center;padding:32px;color:var(--muted)}[hidden]{display:none!important}.prose{max-width:780px}.prose h2{margin-top:30px}.prose p,.prose li{font-size:16px;line-height:1.85;color:var(--muted)}.mobile-brand{display:none}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:13px;text-align:left}details{border-bottom:1px solid var(--line);padding:17px 0;font-size:14px}summary{cursor:pointer;font-weight:600}details p{margin-bottom:0}.copy-status{font-size:12px;min-height:18px;color:var(--green)}@media(min-width:1450px){.content{padding-top:45px}}@media(max-width:1100px){.sidebar{width:190px;padding:26px 16px}.workspace{margin-left:190px}.content{padding:30px}.topbar{padding:0 30px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-layout{grid-template-columns:1fr 1fr;gap:18px}.panel{padding:23px}h1{font-size:35px}footer{padding:24px 30px}}@media(max-width:760px){.sidebar{position:static;width:auto;padding:14px 20px;border-right:0;border-bottom:1px solid var(--line);display:block}.sidebar .brand{font-size:19px}.sidebar .brand small{font-size:9px}.mark{width:35px;height:35px;font-size:22px}.sidebar nav{display:flex;gap:5px;overflow:auto;margin-top:15px}.nav-link{white-space:nowrap;font-size:12px;padding:9px;margin:0}.nav-icon{font-size:16px;width:auto}.nav-label,.side-bottom{display:none}.workspace{margin-left:0}.topbar{height:49px;padding:0 20px;font-size:11px}.content{padding:26px 20px 40px}h1{font-size:32px;letter-spacing:-1px}.lede{font-size:14px}.quick,.tool-layout{grid-template-columns:1fr}.quick-input,.quick-result,.panel{padding:22px}.quick-result{min-height:145px}.catalog-grid{gap:12px}.tool-card{padding:18px;min-height:195px}.tool-card h3{font-size:16px}.tool-symbol{margin-bottom:15px}.footnotes{gap:12px}.result-panel{position:static}.result-number{font-size:40px}.result-panel .result-number{font-size:36px}footer{padding:23px 20px;line-height:1.8}.panel-head{margin-bottom:20px}.filters{gap:6px}.filter{padding:9px 11px}.section-head{align-items:baseline}.section-head h2{font-size:19px}}@media(max-width:390px){.catalog-grid{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.topbar .status{display:none}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
