:root {
    --paper: #E9ECF5;
    --surface: #FFFFFF;
    --ink: #1B1F3B;
    --muted: #5C6183;
    --line: #C9CEE2;
    --accent: #D92B63;
    --accent-ink: #FFFFFF;
    --ok: #0B7F77;
    --warn-bg: #FFF1D6;
    --warn-ink: #6B4700;
    --err: #B3142E;
    --foil-a: #1B1F3B;
    --foil-b: #3A2F7A;
    --foil-ink: #F2F3FB;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      color-scheme: dark;
      --paper: #121428;
      --surface: #1C1F3D;
      --ink: #ECEEFA;
      --muted: #A3A8CC;
      --line: #353A66;
      --accent: #FF5C8D;
      --accent-ink: #1A0710;
      --ok: #4FD6CB;
      --warn-bg: #3B2F10;
      --warn-ink: #FFDFA0;
      --err: #FF8598;
      --foil-a: #262B58;
      --foil-b: #4A3B9C;
      --foil-ink: #F2F3FB;
    }
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
  }
  .wrap { max-width: 66rem; margin: 0 auto; padding: 1.5rem 1.125rem 4rem; }
  header { margin-bottom: 2rem; }
  h1 {
    font-size: clamp(2.4rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.035em;
    margin: 0 0 0.75rem;
    max-width: 12ch;
  }
  header p { margin: 0; color: var(--muted); max-width: 52ch; }
  .grid { display: grid; gap: 2rem; }
  @media (min-width: 56rem) {
    .grid { grid-template-columns: minmax(0, 1fr) 21rem; align-items: start; }
    .proof-col { position: sticky; top: 1.5rem; order: 2; }
  }

  /* steps */
  ol.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
  ol.steps > li {
    counter-increment: step;
    border-top: 2px solid var(--ink);
    padding: 1.125rem 0 1.75rem;
  }
  ol.steps h2 {
    font-size: 1.375rem; font-weight: 700; letter-spacing: -0.01em;
    margin: 0 0 0.875rem; display: flex; gap: 0.625rem; align-items: baseline;
  }
  ol.steps h2::before {
    content: counter(step);
    color: var(--accent); font-weight: 800; min-width: 1ch;
  }
  label { display: block; font-weight: 500; font-size: 0.9375rem; margin-bottom: 0.25rem; }
  .hint { color: var(--muted); font-size: 0.875rem; margin: 0.25rem 0 0; }
  .field { margin-bottom: 1rem; }
  .row { display: grid; gap: 0.75rem; grid-template-columns: 1fr 1fr; }
  input[type=text], input[type=url], input[type=number], input[type=password], textarea, select {
    width: 100%; font: inherit; color: var(--ink);
    background: var(--surface); border: 1.5px solid var(--line);
    border-radius: 0.5rem; padding: 0.625rem 0.75rem;
  }
  textarea { min-height: 5rem; resize: vertical; }
  input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible {
    outline: 3px solid var(--accent); outline-offset: 2px;
  }
  button { font: inherit; cursor: pointer; }
  .btn {
    background: var(--ink); color: var(--paper); border: 0;
    border-radius: 0.5rem; padding: 0.6875rem 1.125rem; font-weight: 700;
  }
  .btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
  .btn.small { padding: 0.375rem 0.75rem; font-weight: 500; font-size: 0.9375rem; }
  .btn.mint {
    background: var(--accent); color: var(--accent-ink);
    width: 100%; font-size: 1.1875rem; padding: 1rem; border-radius: 0.75rem;
  }
  .btn:disabled { opacity: 0.45; cursor: not-allowed; }
  .seg { display: inline-flex; border: 1.5px solid var(--ink); border-radius: 0.5rem; overflow: hidden; margin-bottom: 1rem; flex-wrap: wrap; }
  .seg label { margin: 0; padding: 0.5rem 0.875rem; cursor: pointer; font-size: 0.9375rem; }
  .seg input { position: absolute; opacity: 0; pointer-events: none; }
  .seg input:checked + span { font-weight: 700; }
  .seg label:has(input:checked) { background: var(--ink); color: var(--paper); }
  .seg label:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: -3px; }
  .wallet-line { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
  .addr { font-variant-numeric: tabular-nums; word-break: break-all; }
  .note { background: var(--warn-bg); color: var(--warn-ink); border-radius: 0.5rem; padding: 0.625rem 0.75rem; font-size: 0.9375rem; margin: 0.75rem 0 0; }
  .note a { color: inherit; }
  .trait { display: grid; grid-template-columns: 1fr 1fr auto; gap: 0.5rem; margin-bottom: 0.5rem; }
  .trait button { background: transparent; border: 0; color: var(--muted); font-size: 1.25rem; padding: 0 0.5rem; }
  [hidden] { display: none !important; }

  /* proof card */
  .proof {
    background: linear-gradient(155deg, var(--foil-a), var(--foil-b));
    color: var(--foil-ink);
    border-radius: 1.25rem; padding: 0.875rem;
    box-shadow: 0 1.25rem 2.5rem -1.25rem rgba(27, 31, 59, 0.55);
  }
  .proof .art {
    aspect-ratio: 1; border-radius: 0.75rem; overflow: hidden;
    background: rgba(255,255,255,0.08);
    display: grid; place-items: center; text-align: center;
    color: rgba(242,243,251,0.7); font-size: 0.9375rem; padding: 1rem;
  }
  .proof .art:has(img) { padding: 0; }
  .proof .art img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .proof .meta { padding: 0.875rem 0.375rem 0.375rem; }
  .proof .name { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; word-break: break-word; }
  .proof .sub { display: flex; justify-content: space-between; gap: 1rem; margin-top: 0.375rem; font-size: 0.9375rem; opacity: 0.85; }
  .chips { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-top: 0.75rem; }
  .chips span { border: 1px solid rgba(242,243,251,0.35); border-radius: 99px; padding: 0.125rem 0.625rem; font-size: 0.8125rem; }
  .proof-caption { color: var(--muted); font-size: 0.875rem; margin: 0.75rem 0.25rem 0; }

  /* status */
  #log { list-style: none; padding: 0; margin: 1rem 0 0; font-size: 0.9375rem; }
  #log li { padding: 0.25rem 0; color: var(--muted); }
  #log li.done { color: var(--ok); }
  #log li.fail { color: var(--err); white-space: pre-wrap; word-break: break-word; }
  #result { border: 2px solid var(--ok); border-radius: 0.75rem; padding: 1rem; margin-top: 1rem; }
  #result h3 { margin: 0 0 0.375rem; font-size: 1.25rem; }
  #result a { color: var(--ink); font-weight: 700; }
  #result p { margin: 0.375rem 0; }

:root { color-scheme:dark; --paper:#080d16; --surface:#111b2b; --ink:#f2f5fc; --muted:#a9b7cd; --line:#2b3b53; --accent:#a78bfa; --accent-ink:#fff; --ok:#55e5c4; --warn-bg:#2c2518; --warn-ink:#f6d990; --err:#ff8fa3; --foil-a:#18253a; --foil-b:#302459; }
html[data-sdex-ui-theme="light"] { --paper:#f5f7fc; --accent-ink:#fff; --ok:#147d6b; --warn-bg:#fff3d8; --warn-ink:#674812; --err:#b3142e; --foil-a:#18253a; --foil-b:#503586; }
body {font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;}
.wrap {max-width:76rem; padding:2.5rem 1.5rem 4rem;}
.intro {margin-bottom:2.25rem; max-width:46rem;}
.intro h1 {max-width:18ch; font-size:clamp(2.3rem,5.5vw,3.8rem);line-height:1.07;letter-spacing:-.045em;margin:.65rem 0 1rem;}
.intro > p:not(.eyebrow) {color:var(--muted);max-width:57ch;}
.eyebrow {font-size:.72rem;letter-spacing:.16em;font-weight:700;color:var(--accent);}
.grid {gap:1.5rem;}
ol.steps > li {border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:1.5rem;margin-bottom:1.25rem;}
ol.steps h2 {font-size:1.15rem;align-items:center;gap:.75rem;}
ol.steps h2::before {background:var(--paper);border:1px solid var(--line);border-radius:10px;display:inline-grid;place-items:center;width:2rem;height:2rem;font-size:.9rem;}
input[type=text],input[type=url],input[type=number],input[type=password],textarea,select {background:var(--paper);min-height:44px;}
.btn {min-height:44px;border-radius:10px;background:#7052d9;color:#fff;}
.btn.ghost {border-color:var(--line);color:var(--ink);}
.btn.mint {background:#7052d9;color:#fff;border-radius:12px;}
.seg {border-color:var(--line);background:var(--paper);gap:3px;padding:3px;border-radius:12px;}
.seg label {border-radius:8px;}.seg label:has(input:checked) {background:#7052d9;color:#fff;}
.wallet-line select {flex:1;min-width:140px;max-width:210px;width:auto;font:inherit;}
.proof {border:1px solid var(--line);padding:.9rem;box-shadow:0 20px 60px #0003;}
.proof-caption {line-height:1.65;}.note {border:1px solid #b58b2440;}
a {color:var(--accent);} .wallet-links {display:block;margin-top:.4rem;}
.app-footer {display:flex;align-items:center;justify-content:center;gap:.65rem;flex-wrap:wrap;border-top:1px solid var(--line);color:var(--muted);padding:1.5rem;font-size:.8rem;}
.app-footer a {color:var(--muted);text-decoration:none;} .app-footer a:hover {color:var(--accent);}
.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;}
@media(min-width:56rem){.grid{grid-template-columns:minmax(0,1fr) 22rem;}.proof-col{top:1.5rem;}}
@media(max-width:600px){.wrap{padding:1.75rem 1rem 2rem;}ol.steps>li{padding:1.125rem;}.row{grid-template-columns:1fr;}.trait{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;}.seg label{padding:.5rem .6rem;font-size:.85rem;}.intro h1{font-size:2.4rem;}.proof-col{max-width:28rem;width:100%;justify-self:center;}.wallet-line{gap:.5rem;}}