/* 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:760px;margin:0 auto;padding:16px 16px 24px}
main.wrap{flex:1}
h1{font-size:1.6rem;line-height:1.15;margin:0 0 4px}
h2{font-size:1.1rem;line-height:1.3;margin:0 0 8px}
p{margin:0 0 12px}
a{color:var(--ember-bright)}
.lede{color:var(--dim);font-size:.9rem;margin-bottom:12px}
a:focus-visible,input:focus-visible{outline:3px solid var(--ember-bright);outline-offset:2px}
.cards{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;margin-bottom:12px}
.card{background:var(--panel);border:1px solid var(--steel-line);border-radius:8px;padding:12px;min-width:0}
.pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
.pair label{display:flex;flex-direction:column;gap:4px;color:var(--dim);font-size:.85rem;min-width:0}
.pair input{display:block;width:100%;min-height:44px;padding:6px 10px;font:inherit;font-size:16px;font-variant-numeric:tabular-nums;color:var(--text);background:var(--bg);border:1px solid var(--steel-line);border-radius:6px}
.pair input[aria-invalid="true"]{border-color:var(--ember-bright)}
.ans{font-size:1.5rem;font-weight:700;line-height:1.25;font-variant-numeric:tabular-nums;margin:10px 0 4px;min-height:1.9rem;overflow-wrap:anywhere}
.ans.bad{font-size:1rem;font-weight:600;color:var(--ember-bright);padding:.35rem 0}
.work{color:var(--dim);font-size:.9rem;margin:0;min-height:1.4rem;overflow-wrap:anywhere}
.pill{display:inline-block;min-height:44px;padding:10px 16px;border:1px solid var(--steel-line);border-radius:999px;text-decoration:none;color:var(--text)}
#howview p{max-width:62ch}
.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}
@media (min-width:768px){.wrap{padding:32px 24px;max-width:680px}h1{font-size:2.2rem}.lede{font-size:1rem}.card{padding:16px}.cards{gap:16px}.ans{font-size:1.8rem}}
@media (min-width:1200px){.wrap{max-width:1200px}.cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}.is-footer{max-width:1200px}}