/* Standalone fairness surface mapped to the canonical Midnight Slate roles. */

:root{color-scheme:dark}
*{box-sizing:border-box}
html{background:var(--lb-bg)}
body{
  margin:0;
  background:var(--lb-bg);
  color:var(--lb-ink);
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:500;
  line-height:1.5;
}
::selection{background:var(--lb-brand-pink);color:var(--lb-action-primary-ink)}
a{color:inherit}
.wrap{width:min(980px,calc(100% - 32px));margin:0 auto;padding:28px 0 64px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px}
.brand{font-size:20px;font-weight:800;letter-spacing:-.03em}
.back{color:var(--lb-ink-muted);text-decoration:none}
.back:hover{color:var(--lb-brand-pink)}
.hero{
  margin-bottom:18px;
  padding:26px;
  border:1px solid var(--lb-line);
  border-radius:8px;
  background:var(--lb-surface);
}
.eyebrow{
  color:var(--lb-ink-muted);
  font-size:11px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.hero h1{margin:8px 0 12px;font-size:clamp(28px,5vw,46px);line-height:1.05;letter-spacing:-.045em}
.hero p{max-width:700px;margin:0;color:var(--lb-ink-muted)}
.tabs{display:flex;gap:8px;margin:18px 0}
.tab{
  min-height:44px;
  padding:9px 15px;
  border:1px solid var(--lb-line);
  border-radius:7px;
  background:var(--lb-surface-2);
  color:var(--lb-ink-muted);
  cursor:pointer;
  font-weight:800;
  text-decoration:none;
}
.tab:hover{border-color:var(--lb-line-2);background:var(--lb-surface-3);color:var(--lb-ink)}
.tab.active{border-color:var(--lb-line-2);background:var(--lb-selection-fill);color:var(--lb-selection-ink)}
.view{display:none}
.view.active{display:block}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card{
  padding:18px;
  border:1px solid var(--lb-line);
  border-radius:8px;
  background:var(--lb-surface-2);
}
.card h2,
.card h3{margin:0 0 7px}
.card p,
.card li{color:var(--lb-ink-muted)}
.card ul{margin:10px 0 0;padding-left:19px}
.seed-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.field{display:grid;gap:6px;margin:12px 0}
.field label{color:var(--lb-ink-muted);font-size:12px;font-weight:800}
.field input,
.field textarea,
.field select,
.seed-actions input{
  width:100%;
  padding:10px;
  border:1px solid var(--lb-control-border);
  border-radius:8px;
  background:var(--lb-input-bg);
  color:var(--lb-ink);
  font:500 13px ui-monospace,SFMono-Regular,Menlo,monospace;
}
.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible,
.seed-actions input:focus-visible{
  border-color:var(--lb-focus);
  outline:2px solid color-mix(in srgb,var(--lb-focus) 52%,transparent);
  outline-offset:2px;
}
.field textarea{min-height:80px;resize:vertical}
.btn{
  min-height:44px;
  padding:10px 14px;
  border:0;
  border-radius:7px;
  background:var(--lb-action-primary);
  box-shadow:var(--lb-action-shadow);
  color:var(--lb-action-primary-ink);
  cursor:pointer;
  font-weight:800;
}
.btn:hover{background:var(--lb-action-primary-hover)}
.btn:active{background:var(--lb-action-primary-active)}
.btn:focus-visible,
.copy:focus-visible,
.tab:focus-visible,
.back:focus-visible,
.history-link:focus-visible{
  outline:2px solid var(--lb-focus);
  outline-offset:3px;
}
.btn.secondary,
.copy{
  border:1px solid var(--lb-action-secondary-border);
  background:var(--lb-action-secondary);
  color:var(--lb-action-secondary-ink);
}
.btn.secondary:hover,
.copy:hover{border-color:var(--lb-line-2);background:var(--lb-action-secondary-hover)}
.btn:disabled{
  background:var(--lb-action-disabled);
  box-shadow:none;
  color:var(--lb-action-disabled-ink);
  cursor:not-allowed;
  opacity:1;
}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.status{min-height:22px;color:var(--lb-ink-muted);font-size:13px}
.status.ok{color:var(--lb-success)}
.status.bad,
.seed-error,
.proof-check.bad{color:var(--lb-error)}
.mono,
.verify-code{
  border:1px solid var(--lb-line);
  border-radius:8px;
  background:var(--lb-input-bg);
  color:var(--lb-ink-2);
  font:500 12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;
  word-break:break-all;
}
.mono{padding:10px}
.verify-code{padding:12px;overflow:auto;white-space:pre-wrap;word-break:break-word}
.note{color:var(--lb-ink-muted);font-size:12px}
.pill{
  display:inline-block;
  padding:3px 8px;
  border:1px solid var(--lb-line);
  border-radius:999px;
  color:var(--lb-ink-muted);
  font-size:11px;
  font-weight:800;
}
.pill.verified{
  border-color:color-mix(in srgb,var(--lb-success) 60%,var(--lb-line));
  background:color-mix(in srgb,var(--lb-success) 14%,var(--lb-surface-2));
  color:var(--lb-success);
}
.copy-row{display:flex;align-items:stretch;gap:8px}
.copy-row .mono{flex:1;min-width:0}
.copy{width:44px;min-width:44px;border-radius:8px;cursor:pointer;font-weight:800}
.seed-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-top:14px}
.seed-actions input{min-width:0;min-height:44px;padding:10px 12px}
.field input[aria-invalid="true"],
.seed-actions input[aria-invalid="true"]{border-color:var(--lb-error)}
.seed-error{display:block;min-height:20px;font-size:12px;font-weight:700}
.disclosure{
  margin-top:12px;
  padding:11px 12px;
  border:1px solid color-mix(in srgb,var(--lb-warning) 50%,var(--lb-line));
  border-radius:8px;
  background:color-mix(in srgb,var(--lb-warning) 10%,var(--lb-surface-2));
  color:var(--lb-ink-2);
  font-size:12px;
}
.disclosure b{color:var(--lb-warning)}
.history-link{display:inline-flex;align-items:center;min-height:44px;margin-top:10px;color:var(--lb-ink);font-weight:800}
.history-link:hover{color:var(--lb-brand-pink)}
.seed-card[aria-busy="true"]{cursor:wait}
.seed-card[aria-busy="true"] input,
.seed-card[aria-busy="true"] button{opacity:.62}
.history-picker{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px}
.proof-result{
  margin-top:14px;
  padding:14px;
  border:1px solid var(--lb-line);
  border-radius:8px;
  background:var(--lb-surface);
}
.proof-result.ok{border-color:color-mix(in srgb,var(--lb-success) 55%,var(--lb-line))}
.proof-result.bad{border-color:color-mix(in srgb,var(--lb-error) 65%,var(--lb-line))}
.proof-result h3{display:flex;align-items:center;justify-content:space-between;gap:10px}
.proof-check{margin:8px 0;color:var(--lb-ink-muted)}
.proof-check.ok{color:var(--lb-success)}
.divider{height:1px;margin:22px 0;background:var(--lb-line)}
.seed-history-item{padding:14px 0;border-top:1px solid var(--lb-line)}
.seed-history-item:first-child{border-top:0}
.seed-history-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.seed-history-meta b{font-size:14px}

@media(max-width:700px){
  .grid,
  .seed-grid,
  .history-picker,
  .seed-actions{grid-template-columns:1fr}
  .wrap{width:min(100% - 20px,980px);padding-top:18px}
  .hero{padding:20px}
  .btn{width:100%}
  .tabs{overflow-x:auto}
  .tab{display:inline-flex;align-items:center}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important}
}