:root {
  color-scheme: dark;
  --ink: #f7f2df;
  --muted: #a9b9c9;
  --paper: rgba(17, 24, 39, 0.78);
  --line: rgba(255,255,255,0.16);
  --hot: #ff5b7d;
  --mint: #64f0c8;
  --gold: #ffd166;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 91, 125, .35), transparent 28rem),
    radial-gradient(circle at 82% 16%, rgba(100, 240, 200, .26), transparent 24rem),
    linear-gradient(145deg, #0d1024 0%, #17213b 48%, #23142e 100%);
}
#stars { position: fixed; inset: 0; width: 100%; height: 100%; }
.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  position: relative;
}
.receipt {
  width: min(560px, 100%);
  padding: clamp(28px, 6vw, 54px);
  border: 1px solid var(--line);
  background: var(--paper);
  backdrop-filter: blur(18px);
  box-shadow: 0 28px 90px rgba(0,0,0,.42);
}
.eyebrow {
  color: var(--mint);
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .78rem;
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(2.4rem, 8vw, 5.2rem);
  line-height: .92;
  margin: 0 0 18px;
}
.intro { color: var(--muted); font-size: 1.08rem; line-height: 1.6; margin: 0 0 28px; }
.ticket {
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  padding: 18px 0;
  display: grid;
  gap: 14px;
}
.row { display: grid; grid-template-columns: 128px 1fr; gap: 16px; align-items: baseline; }
.row span { color: var(--muted); font-size: .9rem; }
.row strong { font-size: 1.05rem; overflow-wrap: anywhere; }
button {
  margin-top: 28px;
  width: 100%;
  border: 0;
  border-radius: 0;
  padding: 15px 18px;
  color: #14121e;
  background: linear-gradient(90deg, var(--gold), var(--mint));
  font: 800 1rem/1 ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(100,240,200,.2);
}
button:focus-visible { outline: 3px solid var(--hot); outline-offset: 4px; }
@media (max-width: 520px) {
  .shell { padding: 18px; place-items: stretch; align-items: center; }
  .row { grid-template-columns: 1fr; gap: 4px; }
}