.receipt-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px;display:grid}.receipt-action{border:1px solid var(--ps-blue);background:var(--ps-white);min-height:46px;color:var(--ps-blue);cursor:pointer;font:inherit;text-align:center;border-radius:8px;justify-content:center;align-items:center;padding:10px 12px;font-size:14px;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.receipt-action:hover{background:var(--ps-tint);color:var(--ps-blue-hover)}.receipt-action:focus-visible{outline:3px solid var(--ps-focus);outline-offset:2px}.receipt-note{color:var(--ps-muted);margin:10px 0 0;font-size:13px;line-height:1.5}@media (width<=700px){.receipt-actions{grid-template-columns:1fr}.receipt-action{min-height:50px}}:root{--ps-blue:#162d52;--ps-blue-hover:#0e2344;--ps-graphite:#1b1f24;--ps-muted:#66717e;--ps-border:#d8dee6;--ps-surface:#f4f6f8;--ps-tint:#e8edf3;--ps-white:#fff;--ps-success:#1f6b45;--ps-warning:#8a5a00;--ps-danger:#a63a32;--ps-font-sans:"Libre Franklin", Arial, sans-serif;--ps-font-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}body{font-family:var(--ps-font-sans);color:var(--ps-graphite);background:var(--ps-white)}a:hover{color:var(--ps-blue-hover)}code,.hash,.txid,.timestamp{font-family:var(--ps-font-mono)}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;--ps-focus:#162d5238;--ps-success-bg:#1f6b4512;--ps-danger-bg:#a63a3212;--ps-warning-bg:#fbf7ec}*{box-sizing:border-box}body{background:var(--ps-white);min-width:320px;min-height:100vh;color:var(--ps-graphite);margin:0}button,input,textarea{font:inherit}button,label{-webkit-tap-highlight-color:transparent}a{color:var(--ps-blue)}[role=note]{background:var(--ps-warning-bg)!important;width:100%!important;color:var(--ps-warning)!important;text-align:center!important;border-top:0!important;border-bottom:1px solid #e5dac0!important;padding:10px 20px!important;font-size:13px!important;line-height:1.45!important}.shell{width:min(1120px,100% - 64px);margin:0 auto;padding:0 0 64px}.masthead{border-bottom:1px solid var(--ps-border);justify-content:space-between;align-items:center;gap:24px;min-height:78px;display:flex}.brand{min-width:0;color:var(--ps-blue);align-items:center;gap:14px;text-decoration:none;display:inline-flex}.brand:before{content:"";aspect-ratio:7957.8/754;background:url(/brand/proofstamp-wordmark-blue.svg) 50%/contain no-repeat;flex:none;width:190px;display:block}.brand-mark,.brand-copy strong{display:none}.brand-copy{line-height:1;display:block}.brand-copy small{color:var(--ps-muted);letter-spacing:0;text-transform:none;white-space:nowrap;margin:0;font-size:13px;font-weight:500}.masthead-meta{color:var(--ps-muted);justify-content:flex-end;align-items:center;gap:10px;display:flex}.preview-badge{border:1px solid var(--ps-border);background:var(--ps-surface);color:var(--ps-blue);border-radius:999px;padding:6px 9px;font-size:12px;font-weight:600}.network,.privacy-note{color:var(--ps-muted);font-size:13px}.hero{text-align:left;width:min(880px,100%);margin:0 auto;padding:58px 0 42px}h1,h2,h3,p{margin-top:0}h1{max-width:820px;color:var(--ps-graphite);letter-spacing:-.035em;margin-bottom:18px;font-size:clamp(40px,6vw,64px);font-weight:500;line-height:1.06}h2{color:var(--ps-graphite);letter-spacing:-.025em;margin-bottom:7px;font-size:27px;font-weight:600;line-height:1.2}h3{color:var(--ps-graphite);margin-bottom:6px;font-size:18px;font-weight:600}.lede{max-width:720px;color:var(--ps-muted);margin-bottom:0;font-size:20px;line-height:1.55}.tool-shell{border:1px solid var(--ps-border);background:var(--ps-white);border-radius:14px;width:min(880px,100%);margin:0 auto;position:relative;overflow:hidden;box-shadow:0 18px 48px #162d5212}.tabs{border-bottom:1px solid var(--ps-border);background:var(--ps-surface);grid-template-columns:1fr 1fr;display:grid}.tab{min-height:54px;color:var(--ps-muted);cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;padding:14px 18px;font-weight:600}.tab:hover{color:var(--ps-blue)}.tab.active{border-bottom-color:var(--ps-blue);background:var(--ps-white);color:var(--ps-blue)}.tab:focus-visible,.primary:focus-visible,.secondary:focus-visible,.blockchain-link:focus-visible,.receipt-action:focus-visible,.file-picker:focus-within,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--ps-focus);outline-offset:2px}.panel{padding:32px}.card-heading{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:24px;display:flex}.card-copy,.check-intro p{color:var(--ps-muted);margin-bottom:0;font-size:14px;line-height:1.6}.check-intro{margin-bottom:24px}.check-intro p{max-width:690px}.file-picker{background:var(--ps-surface);cursor:pointer;text-align:center;border:1px dashed #aeb8c4;border-radius:12px;place-items:center;gap:8px;min-height:144px;padding:28px;transition:border-color .12s,background .12s,transform .12s;display:grid}.file-picker:hover{border-color:var(--ps-blue);background:var(--ps-tint)}.file-picker:active{transform:translateY(1px)}.check-picker+.file-summary+.check-picker,.check-picker+.check-picker,.file-summary+.check-picker{margin-top:14px}.picker-icon{border:1px solid var(--ps-blue);background:var(--ps-white);width:36px;height:36px;color:var(--ps-blue);border-radius:50%;place-items:center;font-size:21px;font-weight:500;line-height:1;display:grid}.file-picker strong{color:var(--ps-blue);font-size:16px;font-weight:600}.file-picker small{color:var(--ps-muted);font-size:12px;font-weight:400}.file-picker input{clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.file-summary{color:var(--ps-muted);justify-content:space-between;gap:16px;margin:14px 0 0;font-size:14px;display:flex}.file-summary strong{min-width:0;color:var(--ps-graphite);text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.primary,.secondary{cursor:pointer;border-radius:8px;width:100%;font-weight:600;transition:background .12s,border-color .12s,color .12s}.primary{border:1px solid var(--ps-blue);background:var(--ps-blue);min-height:52px;color:var(--ps-white);margin-top:20px;padding:14px 18px}.primary:hover:not(:disabled){border-color:var(--ps-blue-hover);background:var(--ps-blue-hover)}.primary.compact{margin-top:16px}.primary:disabled{cursor:not-allowed;background:#aeb8c4;border-color:#aeb8c4}.secondary{border:1px solid var(--ps-blue);background:var(--ps-white);min-height:48px;color:var(--ps-blue);margin-top:10px;padding:12px 18px}.secondary:hover:not(:disabled){background:var(--ps-tint)}.secondary:disabled{border-color:var(--ps-border);color:#8b95a1;cursor:not-allowed}.field{gap:8px;margin-top:22px;display:grid}.field>span{color:var(--ps-graphite);font-size:14px;font-weight:600}.field textarea{resize:vertical;border:1px solid var(--ps-border);background:var(--ps-white);width:100%;min-height:96px;color:var(--ps-graphite);font-family:var(--ps-font-mono);border-radius:8px;padding:13px 14px;font-size:13px;line-height:1.5}.prepared,.check-result{border-radius:12px;margin-top:20px;padding:20px}.prepared{background:var(--ps-tint);border:1px solid #c9d3df}.prepared-heading{grid-template-columns:auto 1fr;align-items:start;gap:12px;display:grid}.prepared-heading strong{color:var(--ps-graphite);margin-bottom:4px;font-weight:600;display:block}.prepared-heading p,.check-result p{color:var(--ps-muted);margin-bottom:0;font-size:14px;line-height:1.55}.status-mark,.check-result-icon{border-radius:50%;place-items:center;width:30px;height:30px;font-weight:700;display:grid}.status-mark{border:2px solid var(--ps-blue);background:var(--ps-white);color:var(--ps-blue)}.proof-complete{background:var(--ps-success-bg);border-color:#1f6b4547;padding-right:72px;position:relative}.proof-complete:after{content:"";background:url(/brand/proof-point-card-marker.svg) 50%/contain no-repeat;width:34px;height:34px;position:absolute;top:18px;right:18px}.proof-complete .status-mark{border-color:var(--ps-success);color:var(--ps-success)}.next-step{border-top:1px solid #c9d3df;margin-top:18px;padding-top:17px}.next-step strong{margin-bottom:5px;font-weight:600;display:block}.next-step p{color:var(--ps-muted);margin-bottom:0;font-size:14px;line-height:1.55}.setup-note{background:var(--ps-warning-bg);border:1px solid #e5dac0;border-radius:8px;padding:14px}details{border-top:1px solid var(--ps-border);margin-top:16px;padding-top:14px}summary{cursor:pointer;color:var(--ps-blue);font-size:13px;font-weight:600}.result{border:1px solid var(--ps-border);background:var(--ps-white);border-radius:8px;gap:8px;margin-top:12px;padding:14px;display:grid}.result span{color:var(--ps-muted);letter-spacing:.04em;text-transform:uppercase;margin-top:6px;font-size:11px;font-weight:600}.result span:first-child{margin-top:0}.result code{overflow-wrap:anywhere;color:var(--ps-blue);font-family:var(--ps-font-mono);font-size:12px;line-height:1.6}.blockchain-link{border:1px solid var(--ps-blue);background:var(--ps-white);color:var(--ps-blue);border-radius:8px;margin-top:18px;padding:10px 14px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.blockchain-link:hover{background:var(--ps-tint)}.check-result{grid-template-columns:auto 1fr;gap:12px;display:grid}.check-result.success{background:var(--ps-success-bg);border:1px solid #1f6b4547}.check-result.failure{background:var(--ps-danger-bg);border:1px solid #a63a323d}.check-result.success .check-result-icon{border:2px solid var(--ps-success);background:var(--ps-white);color:var(--ps-success)}.check-result.failure .check-result-icon{border:2px solid var(--ps-danger);background:var(--ps-white);color:var(--ps-danger)}.check-result details{grid-column:1/-1}.error{color:var(--ps-danger);margin:16px 0 0;font-size:14px;line-height:1.55}.principles{grid-template-columns:repeat(3,1fr);gap:24px;width:min(880px,100%);margin:34px auto 0;display:grid}.principles div{border-top:1px solid var(--ps-border);gap:7px;padding:18px 0 0;display:grid}.principles strong{color:var(--ps-blue);font-size:14px;font-weight:600}.principles span{color:var(--ps-muted);font-size:13px;line-height:1.5}footer{width:min(880px,100%);color:var(--ps-muted);margin:48px auto 0;font-size:13px;line-height:1.65}footer>div{border-top-color:var(--ps-border)!important}footer p{margin-bottom:0}footer a{color:var(--ps-blue)}footer code{font-family:var(--ps-font-mono)}@media (width<=760px){.shell{width:min(100% - 40px,1120px)}.masthead{align-items:flex-start;min-height:92px;padding:22px 0}.brand{gap:7px;display:grid}.brand:before{width:164px}.brand-copy small{font-size:12px}.masthead-meta{justify-items:end;gap:7px;display:grid}.network{font-size:12px}.hero{padding:44px 0 32px}h1{font-size:clamp(38px,12vw,52px)}.lede{font-size:18px}.panel{padding:24px 20px}.card-heading{gap:8px;display:grid}.privacy-note{justify-self:start}.principles{grid-template-columns:1fr;gap:16px}}@media (width<=520px){[role=note]{padding:9px 14px!important;font-size:12px!important}.shell{width:min(100% - 24px,1120px)}.masthead{gap:14px}.brand:before{width:142px}.preview-badge{font-size:11px}.network{text-align:right;max-width:105px}.hero{padding-top:36px}h1{font-size:39px}.tabs{z-index:2;position:sticky;top:0}.tab{min-height:50px}.file-picker{min-height:132px;padding:22px 16px}.file-summary{gap:3px;display:grid}.proof-complete{padding-top:64px;padding-right:20px}.proof-complete:after{left:20px;right:auto}}.proof-complete:after{content:none}.proof-complete .status-mark,.check-result.success .check-result-icon{color:#0000;background:url(/brand/proof-point-card-marker.svg) 50%/contain no-repeat;border:0;border-radius:0;width:30px;height:30px;font-size:0}