/* PAYATE Demo Card Checker — scoped under #dck. */
@font-face{font-family:"PoppinsFB";src:local("Segoe UI Semibold"),local("Segoe UI"),local("Roboto Medium"),local("Roboto"),local("Helvetica Neue"),local("Arial");size-adjust:107%;ascent-override:98%;descent-override:32.7%;line-gap-override:0%}
body{margin:0;background:#f4f7fb;color:#14233c;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
#dck{--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;max-width:820px;margin:0 auto;padding:18px 16px 40px}
#dck h1,#dck h2{font-family:Poppins,"PoppinsFB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
#dck code{background:#eef2f8;padding:1px 5px;border-radius:4px;font-size:.9em;font-family:var(--mono)}
#dck .dc-hero{background:#fff;border:1px solid #e6ecf5;border-radius:16px;padding:24px;box-shadow:0 1px 2px rgba(15,27,45,.05);margin-bottom:16px}
#dck .dc-hero h1{margin:0 0 8px;font-size:25px;line-height:1.2;color:#0f1b2d;font-weight:700}
#dck .dc-hero p{margin:0;font-size:14px;line-height:1.7;color:#4a5b73;max-width:700px}
#dck .dc-notice{margin:12px 0 0;background:#fff8e6;border:1px solid #f5dfa3;color:#7a5a00;border-radius:10px;padding:10px 14px;font-size:12.5px;line-height:1.6}
#dck .dc-card{background:#fff;border:1px solid #e6ecf5;border-radius:14px;padding:18px;box-shadow:0 1px 2px rgba(15,27,45,.05);margin-bottom:16px}
#dck .dc-tabs{display:inline-flex;flex-wrap:wrap;background:#eef2f8;border-radius:10px;padding:3px;margin-bottom:14px}
#dck .dc-tab{border:0;background:none;font-size:13.5px;font-weight:600;color:#5a6b83;padding:7px 18px;border-radius:8px;cursor:pointer}
#dck .dc-tab.on{background:#fff;color:#1d64d8;box-shadow:0 1px 2px rgba(15,27,45,.08)}
#dck .dc-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
#dck label{display:block;font-size:12.5px;font-weight:600;color:#5a6b83;margin:0 0 6px}
#dck select,#dck input[type=number]{width:100%;box-sizing:border-box;border:1px solid #d7deea;border-radius:10px;padding:10px 12px;font-size:14px;color:#14233c;background:#fbfcfe;font-family:inherit}
#dck textarea{width:100%;box-sizing:border-box;border:1px solid #d7deea;border-radius:10px;padding:12px 14px;font-size:13.5px;color:#14233c;background:#fbfcfe;font-family:var(--mono);resize:vertical}
#dck select:focus,#dck input:focus,#dck textarea:focus{outline:none;border-color:#1d64d8;background:#fff;box-shadow:0 0 0 3px rgba(29,100,216,.12)}
#dck .dc-res{background:#f7f9fc}
#dck .dc-actions{display:flex;align-items:center;gap:14px;margin-top:12px;flex-wrap:wrap}
#dck .dc-btn{background:#1d64d8;color:#fff;border:0;border-radius:10px;padding:11px 24px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s;min-width:110px}
#dck .dc-btn:hover{background:#1550b4}
#dck .dc-link{background:none;border:0;color:#1d64d8;font-size:12.5px;font-weight:600;cursor:pointer;padding:0}
#dck .dc-link:hover{text-decoration:underline}
#dck .dc-copy{border:1px solid #cfe0fb;background:#eaf1fe;color:#1d64d8;border-radius:8px;padding:5px 12px;font-size:12px;font-weight:600;cursor:pointer}
#dck .dc-copy:hover{background:#dbe8fd}
#dck .dc-out{margin-top:16px}
#dck .dc-outhead{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
#dck .dc-outhead>span{font-size:12.5px;font-weight:600;color:#5a6b83}
#dck .dc-outbtns{display:flex;gap:6px}
#dck .dc-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:12px}
#dck .dc-stat{background:#f7f9fc;border:1px solid #e6ecf5;border-radius:10px;padding:10px 6px;text-align:center}
#dck .dc-stat b{display:block;font-size:20px;color:#0f1b2d;font-variant-numeric:tabular-nums}
#dck .dc-stat span{font-size:11.5px;color:#5a6b83}
#dck .dc-stat.ok b{color:#0e7a4b}#dck .dc-stat.bad b{color:#b42020}#dck .dc-stat.warn b{color:#a15c00}
#dck .dc-filters{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
#dck .dc-filter{border:1px solid #d7deea;background:#fff;color:#5a6b83;border-radius:999px;padding:5px 13px;font-size:12px;font-weight:600;cursor:pointer}
#dck .dc-filter.on{background:#1d64d8;border-color:#1d64d8;color:#fff}
#dck .dc-tblwrap{overflow-x:auto;border:1px solid #e6ecf5;border-radius:10px}
#dck table{width:100%;border-collapse:collapse;font-size:13px}
#dck th,#dck td{padding:9px 12px;text-align:left;border-bottom:1px solid #eef2f8;white-space:nowrap}
#dck th{background:#f7f9fc;color:#5a6b83;font-size:11.5px;font-weight:600}
#dck tr:last-child td{border-bottom:0}
#dck td.dc-num{font-family:var(--mono);color:#14233c}
#dck td.dc-why{white-space:normal;min-width:170px;color:#5a6b83}
#dck td.dc-none{color:#7a8aa3}
#dck .dc-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11.5px;font-weight:700}
#dck .dc-badge.ok{background:#e3f6ec;color:#0e7a4b}
#dck .dc-badge.bad{background:#fdecec;color:#b42020}
#dck .dc-badge.warn{background:#fff3da;color:#a15c00}
#dck .dc-brand{font-size:11.5px;font-weight:700;color:#1550b4;background:#eaf1fe;border-radius:6px;padding:2px 8px}
#dck .dc-sim{font-size:10px;font-weight:700;color:#a15c00;border:1px solid #f5dfa3;background:#fff8e6;border-radius:5px;padding:0 5px;margin-left:5px;text-transform:uppercase;letter-spacing:.3px}
#dck .dc-empty{padding:22px;text-align:center;color:#7a8aa3;font-size:13px}
#dck .dc-hint{margin:0 0 12px;font-size:13px;line-height:1.7;color:#4a5b73}
#dck .dc-info{background:#fff;border:1px solid #e6ecf5;border-radius:14px;padding:18px 22px;box-shadow:0 1px 2px rgba(15,27,45,.05);margin-bottom:16px}
#dck .dc-info h2{margin:0 0 10px;font-size:17px;color:#0f1b2d}
#dck .dc-info h2+ol,#dck .dc-info h2+ul{margin-top:0}
#dck .dc-info ol,#dck .dc-info ul{margin:0 0 10px;padding-left:20px}
#dck .dc-info li{font-size:13.5px;line-height:1.8;color:#4a5b73}
#dck .dc-info p{margin:0 0 10px;font-size:13.5px;line-height:1.8;color:#4a5b73}
#dck .dc-info p:last-child{margin-bottom:0}
#dck .dc-info a{color:#1550b4}
#dck .dc-faq{background:#fff;border:1px solid #e6ecf5;border-radius:16px;padding:20px 22px;box-shadow:0 1px 2px rgba(15,27,45,.05)}
#dck .dc-faq h2{margin:0 0 10px;font-size:19px;color:#0f1b2d}
#dck .dc-faq details{border-top:1px solid #eef2f8;padding:2px 0}
#dck .dc-faq details:first-of-type{border-top:0}
#dck .dc-faq summary{cursor:pointer;list-style:none;padding:12px 26px 12px 2px;position:relative;font-weight:600;font-size:14.5px;color:#14233c}
#dck .dc-faq summary::-webkit-details-marker{display:none}
#dck .dc-faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:18px;color:#5a6782}
#dck .dc-faq details[open] summary::after{content:"\2212"}
#dck .dc-faq details p{margin:0 2px 12px;font-size:13.5px;line-height:1.7;color:#4a5b73}
#dck .dc-binmsg{margin:-4px 0 10px;background:#fdecec;border:1px solid #f4c9c9;color:#b42020;border-radius:8px;padding:8px 12px;font-size:12.5px;line-height:1.5}
@media(max-width:600px){#dck .dc-row{grid-template-columns:1fr}#dck .dc-stats{grid-template-columns:repeat(2,1fr)}}

/* Dark mode — the chrome toggle sets data-theme="dark" on <html>. These mirror
   the hub pattern (tools/style.css) and recolor every #dck surface so the tool
   matches the site-wide dark theme. Light mode is left untouched. */
html[data-theme="dark"] #dck{color:#eaf1fb}
html[data-theme="dark"] #dck h1,html[data-theme="dark"] #dck h2{color:#eaf1fb}
html[data-theme="dark"] #dck code{background:#1d2b40;color:#eaf1fb}
html[data-theme="dark"] #dck .dc-hero,
html[data-theme="dark"] #dck .dc-card,
html[data-theme="dark"] #dck .dc-info,
html[data-theme="dark"] #dck .dc-faq{background:#172231;border-color:#26344a;box-shadow:0 1px 2px rgba(0,0,0,.3)}
html[data-theme="dark"] #dck .dc-hero h1,
html[data-theme="dark"] #dck .dc-info h2,
html[data-theme="dark"] #dck .dc-faq h2{color:#eaf1fb}
html[data-theme="dark"] #dck .dc-hero p,
html[data-theme="dark"] #dck .dc-info li,
html[data-theme="dark"] #dck .dc-info p,
html[data-theme="dark"] #dck .dc-hint{color:#a9bcd6}
html[data-theme="dark"] #dck .dc-info a{color:#6ea8f0}
html[data-theme="dark"] #dck .dc-notice{background:#2a2410;border-color:#5a4a1a;color:#e7c870}
html[data-theme="dark"] #dck .dc-tabs{background:#1d2b40}
html[data-theme="dark"] #dck .dc-tab{color:#a9bcd6}
html[data-theme="dark"] #dck .dc-tab.on{background:#26344a;color:#9cc2fb;box-shadow:0 1px 2px rgba(0,0,0,.3)}
html[data-theme="dark"] #dck label{color:#a9bcd6}
html[data-theme="dark"] #dck select,
html[data-theme="dark"] #dck input[type=number],
html[data-theme="dark"] #dck input[type=text],
html[data-theme="dark"] #dck textarea{background:#1d2b40;border-color:#26344a;color:#eaf1fb}
html[data-theme="dark"] #dck input::placeholder,
html[data-theme="dark"] #dck textarea::placeholder{color:#7f90a8}
html[data-theme="dark"] #dck select:focus,
html[data-theme="dark"] #dck input:focus,
html[data-theme="dark"] #dck textarea:focus{border-color:#3f7fe0;background:#1d2b40;box-shadow:0 0 0 3px rgba(63,127,224,.25)}
html[data-theme="dark"] #dck .dc-res{background:#141d2b}
html[data-theme="dark"] #dck .dc-binmsg{background:#3a1b1b;border-color:#6b2b2b;color:#f3a7a7}
html[data-theme="dark"] #dck .dc-link{color:#6ea8f0}
html[data-theme="dark"] #dck .dc-copy{background:#1d2b40;border-color:#2f4a70;color:#9cc2fb}
html[data-theme="dark"] #dck .dc-copy:hover{background:#26344a}
html[data-theme="dark"] #dck .dc-outhead>span{color:#a9bcd6}
html[data-theme="dark"] #dck .dc-stat{background:#1d2b40;border-color:#26344a}
html[data-theme="dark"] #dck .dc-stat b{color:#eaf1fb}
html[data-theme="dark"] #dck .dc-stat span{color:#a9bcd6}
html[data-theme="dark"] #dck .dc-stat.ok b{color:#4ade80}
html[data-theme="dark"] #dck .dc-stat.bad b{color:#f87171}
html[data-theme="dark"] #dck .dc-stat.warn b{color:#fbbf24}
html[data-theme="dark"] #dck .dc-filter{background:#1d2b40;border-color:#26344a;color:#a9bcd6}
html[data-theme="dark"] #dck .dc-filter.on{background:#1d64d8;border-color:#1d64d8;color:#fff}
html[data-theme="dark"] #dck .dc-tblwrap{border-color:#26344a}
html[data-theme="dark"] #dck th{background:#1d2b40;color:#a9bcd6}
html[data-theme="dark"] #dck th,html[data-theme="dark"] #dck td{border-bottom-color:#26344a}
html[data-theme="dark"] #dck td.dc-num{color:#eaf1fb}
html[data-theme="dark"] #dck td.dc-why{color:#a9bcd6}
html[data-theme="dark"] #dck td.dc-none{color:#7f90a8}
html[data-theme="dark"] #dck .dc-badge.ok{background:#12351f;color:#4ade80}
html[data-theme="dark"] #dck .dc-badge.bad{background:#3a1b1b;color:#f87171}
html[data-theme="dark"] #dck .dc-badge.warn{background:#352a10;color:#fbbf24}
html[data-theme="dark"] #dck .dc-brand{background:#1d2b40;color:#9cc2fb}
html[data-theme="dark"] #dck .dc-sim{background:#2a2410;border-color:#5a4a1a;color:#e7c870}
html[data-theme="dark"] #dck .dc-empty{color:#7f90a8}
html[data-theme="dark"] #dck .dc-faq details{border-top-color:#26344a}
html[data-theme="dark"] #dck .dc-faq summary{color:#eaf1fb}
html[data-theme="dark"] #dck .dc-faq summary::after{color:#a9bcd6}
html[data-theme="dark"] #dck .dc-faq details p{color:#a9bcd6}
/* Shared More PAYATE tools related section */
.pyt-rel{max-width:820px;margin:16px auto;padding:20px 22px;background:#fff;border:1px solid #e6ecf5;border-radius:14px;box-shadow:0 1px 2px rgba(15,27,45,.05);font-family:Poppins,"PoppinsFB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:#14233c}
.pyt-rel h2{margin:0 0 12px;font-size:18px;color:#0f1b2d}
.pyt-rel .prg{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}
.pyt-rel a{display:block;text-decoration:none;border:1px solid #e6ecf5;border-radius:10px;padding:12px 14px;background:#fbfcfe;transition:border-color .15s,background .15s}
.pyt-rel a:hover{border-color:#1d64d8;background:#f2f7ff}
.pyt-rel .prt{display:block;font-weight:600;font-size:14px;color:#14233c;margin-bottom:2px}
.pyt-rel .prd{display:block;font-size:12px;line-height:1.4;color:#5a6782}