:root{
  --ink:#1C2580; --ink-soft:#3A43A0; --wash:#E9ECF8; --paper:#FCFCFA; --surface:#FFFFFF;
  --text:#191C33; --muted:#5B5F78; --line:#CDD2EC; --red:#A3262A; --red-wash:#F8E7E6; --ok:#1F6B45;
  --display:"Frank Ruhl Libre", "Times New Roman", Georgia, serif;
  --body:"Source Serif 4", Georgia, "Times New Roman", serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#AEB6FF; --ink-soft:#8C95F0; --wash:#1E2246; --paper:#11132A; --surface:#171A35;
    --text:#E7E8F4; --muted:#A3A7C4; --line:#2E3363; --red:#FF8A84; --red-wash:#3A1A1E; --ok:#7FD3A6;
  }
}
:root[data-theme="dark"]{
  --ink:#AEB6FF; --ink-soft:#8C95F0; --wash:#1E2246; --paper:#11132A; --surface:#171A35;
  --text:#E7E8F4; --muted:#A3A7C4; --line:#2E3363; --red:#FF8A84; --red-wash:#3A1A1E; --ok:#7FD3A6;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6}
img{max-width:100%}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--ink-soft);outline-offset:2px}

.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
header.top .wrap{display:flex;align-items:center;gap:16px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;text-decoration:none;color:inherit}
.brand img{width:64px;height:auto}
.brand b{font-family:var(--display);font-weight:700;font-size:1.25rem;color:var(--ink);display:block;line-height:1.1}
.brand span{font-size:.85rem;color:var(--muted)}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav button{background:none;border:0;padding:8px 14px;border-radius:999px;cursor:pointer;color:var(--muted);font-weight:600;font-size:.95rem}
nav button[aria-current="page"]{background:var(--wash);color:var(--ink)}
nav button:hover{color:var(--ink)}

.hero{padding:44px 0 8px;text-align:center}
.hero .he{font-family:var(--display);font-weight:900;color:var(--ink);font-size:clamp(2.6rem,7vw,4.6rem);line-height:1;margin:0}
.hero h1{font-family:var(--display);font-weight:500;font-size:clamp(1.3rem,3vw,1.8rem);margin:10px 0 6px}
.hero p{color:var(--muted);max-width:56ch;margin:0 auto}

.view{display:none;padding:32px 0 64px}
.view.on{display:block}
.grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:36px;align-items:start}
@media (max-width:860px){.grid{grid-template-columns:1fr}}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px}
.panel h2{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.45rem;margin:0 0 4px}
.panel .sub{color:var(--muted);margin:0 0 18px;font-size:.95rem}
label{display:block;font-weight:600;font-size:.95rem;margin:16px 0 6px}
label small{font-weight:400;color:var(--muted)}
input[type=text],textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:var(--paper)}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus{border-color:var(--ink-soft);outline:none;box-shadow:0 0 0 3px var(--wash)}
.count{font-size:.8rem;color:var(--muted);text-align:right;margin-top:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:4px;padding:11px 20px;font-weight:600;cursor:pointer;background:var(--ink);color:var(--paper)}
.btn:hover{filter:brightness(1.1)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.danger{background:var(--red);color:#fff}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:20px}
.note{font-size:.9rem;color:var(--muted);margin-top:14px}
.alert{padding:12px 14px;border-radius:4px;background:var(--wash);color:var(--ink);font-size:.95rem;margin-top:14px}
.alert.err{background:var(--red-wash);color:var(--red)}

.cert-frame{position:relative}
.cert-frame img{display:block;width:100%;height:auto;border-radius:2px;box-shadow:0 1px 0 var(--line),0 18px 40px -24px rgba(20,25,90,.45)}
.cert-cap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.9rem;color:var(--muted);margin-top:10px}
.status{font-weight:600}
.status.active{color:var(--ok)} .status.withdrawn{color:var(--red)}

.list{list-style:none;margin:0;padding:0}
.list li{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}
.list li:first-child{border-top:0}
.list .num{font-family:var(--display);font-weight:700;color:var(--ink);white-space:nowrap}
.list .item{font-weight:600}
.list .meta{font-size:.85rem;color:var(--muted)}
.list .meta.red{color:var(--red)}
@media (max-width:620px){.list li{grid-template-columns:1fr}}
.empty{color:var(--muted);padding:20px 0}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar input{max-width:320px}
.chips{display:flex;gap:6px}
.chips button{border:1px solid var(--line);background:none;border-radius:999px;padding:5px 12px;cursor:pointer;font-size:.88rem}
.chips button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.stats{display:flex;gap:28px;margin:4px 0 18px;flex-wrap:wrap}
.stats div{font-size:.9rem;color:var(--muted)}
.stats b{display:block;font-family:var(--display);font-size:1.8rem;color:var(--ink);line-height:1.1}

dialog{border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--text);max-width:520px;width:calc(100% - 32px);padding:24px}
dialog::backdrop{background:rgba(10,12,40,.45)}
dialog h3{font-family:var(--display);color:var(--ink);margin:0 0 6px;font-size:1.3rem}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:20px 0 28px;text-align:center}
@media (prefers-reduced-motion:no-preference){ .stamp-in{animation:stamp .35s ease-out} @keyframes stamp{from{transform:scale(1.04);opacity:.4}to{transform:none;opacity:1}} }

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.login{max-width:420px;margin:60px auto}
.status.pending{color:var(--ink-soft)}
.sigchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.sigchip{font-size:.8rem;border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted)}
.sigchip.on{border-color:var(--ok);color:var(--ok)}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin:0 0 20px}
.tabs button{background:none;border:1px solid var(--line);padding:7px 14px;border-radius:999px;cursor:pointer;font-weight:600;font-size:.92rem;color:var(--muted)}
.tabs button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.pad-wrap{border:1px dashed var(--line);border-radius:4px;background:#fff;touch-action:none;max-width:600px}
.pad-wrap canvas{display:block;width:100%;height:auto;cursor:crosshair}
.sig-preview{background:#fff;border:1px solid var(--line);border-radius:4px;padding:8px;min-height:70px;display:flex;align-items:center;justify-content:center;max-width:360px}
.sig-preview img{max-height:80px}
.signer-card{border-top:1px solid var(--line);padding:18px 0}
.signer-card:first-child{border-top:0}
.slotrow{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.field{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:var(--paper)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media (max-width:620px){.two{grid-template-columns:1fr}}
table.acct{width:100%;border-collapse:collapse;font-size:.93rem}
table.acct th,table.acct td{text-align:left;padding:10px 8px;border-top:1px solid var(--line);vertical-align:top}
table.acct th{font-weight:600;color:var(--muted);border-top:0}
.tablewrap{overflow-x:auto}
.whoami{font-size:.9rem;color:var(--muted)}