/* Ironstrike brand tokens (copied from ironstrike-ai/index.html). Zero dependencies. */
:root{--bg:#0a0a0b;--panel:#141416;--steel-line:#38393e;--text:#eae8e4;--dim:#9a9a9f;--ember:#f5821f;--ember-bright:#ff9e42}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:640px;margin:0 auto;padding:16px 16px 24px}
main.wrap{flex:1}
[hidden]{display:none!important}
h1{font-size:1.4rem;line-height:1.2;margin:0}
h2{font-size:1.3rem;margin:8px 0 12px}
p{margin:0 0 12px}
a{color:var(--ember-bright)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.navlink{display:inline-flex;align-items:center;min-height:44px;padding:0 4px;white-space:nowrap}
.lede{color:var(--dim)}
.lab{display:block;margin-bottom:6px;color:var(--dim);font-size:.9rem}
textarea,input[type=text]{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--panel);border:1px solid var(--steel-line);border-radius:8px;padding:10px 12px}
textarea{resize:vertical;min-height:150px;overflow-wrap:anywhere}
input[type=text]{width:96px;min-height:48px}
textarea:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--ember-bright);outline-offset:2px}
.count{margin:6px 0 4px;color:var(--dim);font-size:.95rem}
.note{color:var(--ember-bright);font-size:.95rem;margin:0 0 10px;overflow-wrap:anywhere}
.controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin:12px 0 10px}
.num{display:flex;align-items:center;gap:10px}
.chk{display:flex;align-items:center;gap:10px;min-height:48px;cursor:pointer}
.chk input{appearance:none;-webkit-appearance:none;width:24px;height:24px;flex:none;margin:0;background:var(--panel);border:2px solid var(--dim);border-radius:6px;cursor:pointer}
.chk input:checked{background:var(--ember) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3L13 4.5' fill='none' stroke='%230a0a0b' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;border-color:var(--ember)}
.chk input:focus-visible{outline:3px solid var(--ember-bright);outline-offset:3px}
button,.btn{min-height:44px;min-width:44px;padding:10px 20px;font:inherit;font-weight:600;color:#0a0a0b;background:var(--ember);border:0;border-radius:8px;cursor:pointer}
#go{width:100%;min-height:48px;font-size:1.1rem}
button:disabled{background:var(--steel-line);color:var(--dim);cursor:not-allowed}
button:focus-visible,a:focus-visible{outline:3px solid var(--ember-bright);outline-offset:2px}
.result{scroll-margin-bottom:16px;margin:16px 0 8px;padding:14px 16px;background:var(--panel);border:1px solid var(--steel-line);border-radius:8px;animation:fade .15s ease-out}
.result ol{margin:0 0 8px;padding-left:2em;font-size:1.75rem;line-height:1.3;font-weight:600;overflow-wrap:anywhere}
.result ol.single{list-style:none;padding-left:0}
.err{color:#ff8a7a}
input[aria-invalid=true]{border-color:#ff8a7a}
.odds{color:var(--dim);margin:0}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.result{animation:none}}
.log{margin:16px 0 8px;color:var(--dim)}
.log summary{min-height:44px;display:flex;align-items:center;cursor:pointer}
.log ol{margin:0;padding-left:1.6em;overflow-wrap:anywhere}
.is-footer{border-top:1px solid var(--steel-line);color:var(--dim);font-size:.875rem;padding:16px;max-width:760px;margin:0 auto;width:100%}
.is-footer p{margin:0 0 8px}
.is-footer a{padding:14px 6px;margin:-14px -6px}
@media (min-width:820px){
  .wrap{padding:32px 24px}
  h1{font-size:1.8rem}
  textarea{min-height:240px}
  .result ol{font-size:2.25rem}
}
@media (min-width:1440px){
  .wrap{max-width:1200px}
  .cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
  textarea{min-height:calc(100vh - 340px)}
  .right{position:sticky;top:16px}
  .result ol{font-size:2.75rem}
}