:root {
  --blue: #09318d;
  --pink: #fd91cc;
  --white: #fff;
  --ink: #132043;
  --muted: #465679;
  --line: #dbe3f4;
  font-family: system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.55; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid currentColor; outline-offset: 4px; }
p { margin: 0; }
.wrap { width: min(1120px, 92%); margin-inline: auto; }
.skip { position: absolute; top: -100px; z-index: 2; padding: 8px; background: var(--white); }
.skip:focus { top: 8px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-block: 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-size: 1.15rem; font-weight: 800; }
.brand svg { width: 24px; color: var(--blue); }
.label { font: 700 .72rem/1.4 ui-monospace, monospace; letter-spacing: .09em; }
.signal { display: inline-block; width: 8px; height: 8px; margin-right: 3px; background: var(--pink); border: 1px solid var(--blue); }
.hero { color: var(--white); background: var(--blue); }
.hero-grid { display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; gap: clamp(24px, 6vw, 72px); padding-block: clamp(36px, 7vw, 85px); }
.hero .label { color: var(--pink); }
h1, h2, h3 { margin: 0; line-height: 1; letter-spacing: -.045em; }
h1 { margin-block: 14px 18px; font-size: clamp(3.15rem, 8.2vw, 7.5rem); }
h1 em { color: var(--pink); font-style: normal; }
h2 { font-size: clamp(2rem, 5vw, 3.8rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
.intro { max-width: 43ch; color: #e6edff; }
.actions { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; margin-top: 20px; }
.button { display: inline-flex; gap: 12px; align-items: center; border: 1px solid transparent; padding: 9px 13px; background: var(--pink); color: var(--blue); text-decoration: none; font: 750 .9rem/1.4 system-ui, sans-serif; cursor: pointer; }
.button:hover { border-color: currentColor; }
.text-link { font-size: .9rem; text-underline-offset: 4px; }
.receipt { min-width: 0; padding: clamp(15px, 3vw, 27px); color: var(--ink); background: var(--white); }
.receipt .label { color: var(--blue); }
.receipt-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.badge { padding: 3px 8px; background: var(--pink); color: var(--blue); font-size: .8rem; font-weight: 800; }
.receipt h2 { margin-block: 14px; font-size: 2rem; }
.receipt dl { margin-block: 0 12px; }
.receipt dl div { display: flex; justify-content: space-between; gap: 10px; padding: 7px 8px; border-top: 1px solid var(--line); }
.receipt dd { margin: 0; white-space: nowrap; font-variant-numeric: tabular-nums; }
.receipt .receipt-total { font-weight: 800; background: var(--pink); color: var(--blue); }
.account { font: .72rem/1.5 ui-monospace, monospace; color: var(--muted); overflow-wrap: anywhere; }
.balance { margin-top: 5px; color: var(--muted); font-size: .89rem; }
.replay { padding-block: clamp(36px, 6vw, 74px); }
.replay h2 { margin-block: 8px 12px; color: var(--blue); }
.replay > p:not(.label) { max-width: 62ch; color: var(--muted); }
.replay-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 14px; margin-top: 18px; }
.steps, .console { padding: clamp(14px, 3vw, 24px); border: 1px solid var(--line); }
.steps { background: #f5f8ff; }
.steps ol { list-style: none; margin: 8px 0 0; padding: 0; }
.steps li { padding: 8px 4px; border-top: 1px solid var(--line); }
.steps li span { margin-right: 6px; font: 700 .75rem ui-monospace, monospace; }
.steps li[aria-current="step"] { color: var(--blue); font-weight: 800; background: #fbe7f4; }
.steps li.done span { color: var(--blue); }
.console h3 { margin-block: 12px 8px; }
.console p:not(.label) { color: var(--muted); }
.controls[hidden] { display: none; }
.reset { border: 0; padding: 8px 0; background: none; color: var(--blue); font: inherit; text-decoration: underline; cursor: pointer; }
button:disabled { opacity: .5; cursor: default; }
.evidence { margin-top: clamp(28px, 5vw, 52px); }
.evidence h3 { color: var(--blue); }
.evidence ul { display: grid; gap: 8px; padding-left: 20px; }
.evidence a { text-underline-offset: 4px; }
.footer { display: flex; flex-wrap: wrap; gap: 10px 18px; padding-block: 14px 25px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
@media (max-width: 750px) {
  .hero-grid, .replay-grid { grid-template-columns: 1fr; }
  .top { flex-wrap: wrap; }
}