/* NyayaSeal — Neo-Brutalism stylesheet.
   Implements design/DESIGN_CONSTITUTION.md (NyayaSeal).
   DESIGN HOOK: restyle by editing the :root variables below only.
   All colours come from :root; no gradients, no blur, no glow —
   shadows are hard offsets only (6px 6px 0 ink, 4px 4px 0 small). */
:root{
  --bg:#FFF3D6;          /* dossier cream — page background */
  --bg-2:#FFE9A8;        /* gold tint — "How proof works" band, at most once */
  --card:#FFFFFF;        /* panel surface */
  --card-2:#FFF3D6;
  --line:#111111;        /* ink — all borders */
  --ink:#111111;
  --muted:#5C564A;
  --accent:#2547F4;      /* vault blue — links, blob/Walrus identity */
  --accent-2:#0E7C6B;    /* vault teal — AUTHENTIC / sealed */
  --ok:#0E7C6B;
  --bad:#E8380D;         /* seal vermilion — TAMPERED / danger / Seal CTA */
  --warn:#FFB000;        /* seal gold — seal motif, hash accents, focus */
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:"Archivo Black","Arial Black","Helvetica Neue",sans-serif;
  --radius:0px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1,h2,h3{line-height:1.15;margin:0}
button{font:inherit;cursor:pointer;color:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,
textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--warn);outline-offset:2px}
.mono{font-family:var(--mono);font-size:13px;word-break:break-all}
.muted{color:var(--muted)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px 64px}
/* --- hero --- */
.hero{padding:48px 24px 32px;max-width:var(--maxw);margin:0 auto}
.kicker{display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.kicker .chip{border:2px solid var(--ink);background:#fff;padding:2px 8px;font-weight:700;color:var(--ink)}
.badge{display:inline-block;border:2px solid var(--ink);background:var(--warn);
  color:var(--ink);padding:3px 10px;font-family:var(--mono);
  font-size:.75rem;letter-spacing:0;text-transform:none;font-weight:700}
.badge.ok{border-color:var(--ok);background:#fff;color:var(--ok)}
.hero h1{font-family:var(--display);font-size:clamp(3rem,8vw,6rem);line-height:.95;
  letter-spacing:-.01em;margin:16px 0 10px;text-transform:uppercase}
.hero h1 .grad{background:var(--warn);color:var(--ink);padding:0 10px;
  -webkit-background-clip:initial;background-clip:initial}
.lede{font-size:1.15rem;max-width:62ch;margin:0 0 8px}
.disclaimer{font-size:.85rem;color:var(--muted);max-width:72ch;margin:0}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px}
.stat{border:3px solid var(--ink);background:#fff;box-shadow:4px 4px 0 var(--ink);
  padding:10px 16px}
.stat b{display:block;font-size:1.3rem;font-family:var(--display)}
.stat span{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
/* --- nav --- */
nav.top{position:sticky;top:0;z-index:20;background:var(--bg);
  border-bottom:3px solid var(--ink)}
nav.top .inner{max-width:var(--maxw);margin:0 auto;padding:10px 24px;
  display:flex;gap:12px;flex-wrap:wrap;align-items:center}
nav.top a{text-decoration:none;color:var(--ink);font-size:.9rem;font-weight:700;
  text-transform:uppercase;border:2px solid var(--ink);background:#fff;
  padding:6px 12px;box-shadow:3px 3px 0 var(--ink)}
nav.top a:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
nav.top .spacer{flex:1}
/* --- sections --- */
section{padding:32px 0 10px;border-top:3px solid var(--ink);margin-top:32px;scroll-margin-top:76px}
main{padding-bottom:84px} /* room so the fixed low-motion toggle never covers content */
.sec-head{margin-bottom:16px}
.sec-num{font-family:var(--mono);color:var(--accent);font-size:.85rem;font-weight:700}
.sec-head h2{font-family:var(--sans);font-weight:700;text-transform:uppercase;
  font-size:1.8rem;margin:4px 0 6px;border-bottom:3px solid var(--ink);
  display:inline-block;padding-bottom:4px}
.sec-head p{margin:10px 0 0;color:var(--muted);max-width:64ch}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:860px){.grid2{grid-template-columns:1fr}}
.card{background:var(--card);border:3px solid var(--ink);border-radius:var(--radius);
  padding:18px;box-shadow:6px 6px 0 var(--ink)}
label{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin:14px 0 5px;font-weight:700}
label:first-child{margin-top:0}
input[type=text],input[type=file],select,textarea{width:100%;padding:10px 12px;
  border:3px solid var(--ink);border-radius:0;font:inherit;background:#fff;
  color:var(--ink)}
textarea{min-height:120px;resize:vertical}
.btn{background:var(--bad);color:#fff;border:3px solid var(--ink);padding:11px 20px;
  box-shadow:4px 4px 0 var(--ink);font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;margin-top:16px}
.btn.secondary{background:#fff;color:var(--ink)}
.btn.danger{background:var(--bad);color:#fff}
.btn.teal{background:var(--ok);color:#fff}
.btn:hover:not(:disabled){transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.btn:active:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.hint{font-size:.85rem;color:var(--muted)}
.err{border:3px solid var(--bad);background:#fff;padding:12px;margin-top:12px;
  box-shadow:4px 4px 0 var(--bad)}
.okbox{border:3px solid var(--ok);background:#fff;padding:12px;margin-top:12px;
  box-shadow:4px 4px 0 var(--ok)}
.warnbox{border:3px solid var(--warn);background:#fff;padding:12px;margin-top:12px;
  box-shadow:4px 4px 0 var(--warn)}
/* --- verdict stamp: the only rotated element; stamp-slam on entry --- */
.verdict{display:inline-block;font-family:var(--display);font-size:1.6rem;
  font-weight:900;letter-spacing:.02em;text-transform:uppercase;
  color:#fff;padding:8px 18px;border:3px solid var(--ink);
  animation:stampSlam .18s cubic-bezier(.2,1.4,.4,1)}
.verdict.AUTHENTIC{background:var(--ok);transform:rotate(-4deg)}
.verdict.TAMPERED,.verdict.NOTFOUND{background:var(--bad);transform:rotate(3deg)}
@keyframes stampSlam{from{transform:scale(1.35) rotate(0deg);opacity:0}
  to{transform:scale(1) rotate(-4deg);opacity:1}}
.verdict.TAMPERED,.verdict.NOTFOUND{animation-name:stampSlamBad}
@keyframes stampSlamBad{from{transform:scale(1.35) rotate(0deg);opacity:0}
  to{transform:scale(1) rotate(3deg);opacity:1}}
.copy-btn{font-family:var(--mono);font-size:.75rem;border:2px solid var(--ink);
  background:#fff;padding:2px 8px;margin-left:8px;font-weight:700;cursor:pointer;
  box-shadow:2px 2px 0 var(--ink)}
.copy-btn:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink)}
/* --- drop zone --- */
.dropzone{border:3px dashed var(--ink);padding:22px;text-align:center;
  color:var(--muted);cursor:pointer;background:#fff}
.dropzone.over{border-style:solid;background:var(--warn);color:var(--ink)}
.dropzone input{position:absolute;opacity:0;width:1px;height:1px}
/* --- register table --- */
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff;
  border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink)}
th{text-align:left;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  color:#fff;background:var(--ink);padding:10px 8px}
td{border-bottom:2px solid var(--ink);padding:10px 8px;vertical-align:top}
tr[data-id]{cursor:pointer}
tr[data-id]:hover{background:var(--bg-2);transform:translate(-2px,-2px)}
tr.selected{background:var(--bg-2)}
.pill{display:inline-block;border:2px solid var(--ink);padding:1px 9px;
  font-size:.75rem;font-weight:700;text-transform:uppercase;background:#fff}
.pill.sealed{border-color:var(--ok);color:var(--ok)}
/* --- 3D vault: CSS-3D isometric stack of slabs (no Three.js) --- */
.vault-scene{perspective:1100px;min-height:340px;display:flex;align-items:center;
  justify-content:center;overflow:hidden;border:3px solid var(--ink);
  background:var(--bg-2);box-shadow:6px 6px 0 var(--ink);touch-action:pan-y}
.vault-stage{position:relative;width:280px;height:210px;transform-style:preserve-3d;
  transition:transform .35s ease}
.vault-card{position:absolute;inset:0;background:#fff;
  border:3px solid var(--ink);padding:16px;
  box-shadow:6px 6px 0 var(--ink);backface-visibility:hidden;
  display:flex;flex-direction:column;gap:8px;cursor:pointer;text-align:left}
.vault-card:hover{transform:translateY(-6px)}
.vault-card h3{font-size:1rem;text-transform:uppercase}
.vault-card .seal-stamp{margin-top:auto;align-self:flex-start;
  border:3px solid var(--ok);color:var(--ok);background:#fff;
  padding:2px 8px;font-weight:800;font-size:.75rem;letter-spacing:.14em;
  transform:rotate(-4deg)}
.vault-controls{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;align-items:center}
.vault-note{font-size:.85rem;color:var(--muted)}
/* 2D fallback: no 3D transforms — cards stack as a plain grid */
.no3d .vault-scene{min-height:0;display:block;padding:14px}
.no3d .vault-stage{width:100%;height:auto;transform:none !important;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.no3d .vault-card{position:static;box-shadow:4px 4px 0 var(--ink)}
/* --- audit --- */
.audit{font-family:var(--mono);font-size:.8rem;list-style:none;margin:0;padding:0}
.audit li{padding:10px 0;border-bottom:2px solid var(--ink)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{border:3px solid var(--ink);padding:16px;background:#fff;box-shadow:6px 6px 0 var(--ink)}
.step .n{font-family:var(--mono);color:var(--accent);font-weight:700}
#how{background:var(--bg-2);border:3px solid var(--ink);padding:24px;
  box-shadow:8px 8px 0 var(--ink)}
footer{padding:28px 24px;color:var(--bg);font-size:.85rem;background:var(--ink);
  max-width:var(--maxw);margin:32px auto 0}
footer a{color:var(--warn)}
.motion-toggle{position:fixed;right:16px;bottom:16px;z-index:30;background:#fff;
  border:3px solid var(--ink);padding:9px 14px;
  font-size:.85rem;font-weight:700;box-shadow:4px 4px 0 var(--ink)}
/* --- snap reveal: transform + opacity only --- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .24s ease,transform .24s ease}
.rv.in{opacity:1;transform:none}
[data-motion="low"] .rv{opacity:1;transform:none;transition:none}
[data-motion="low"] .vault-stage{transition:none}
[data-motion="low"] .verdict{animation:none}
[data-motion="low"] html{scroll-behavior:auto}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .vault-stage{transition:none}
  .verdict{animation:none}
  html{scroll-behavior:auto}
}
@media(max-width:640px){
  .hero{padding-top:28px}
  .vault-scene{min-height:300px}
  nav.top .inner{gap:8px}
}