:root { color-scheme: light; font-family: Arial, Helvetica, sans-serif; color: #172b3a; background: #f1f6f8; }
* { box-sizing: border-box; }
body { margin: 0; padding: 24px; }
.sheet { width: min(100%, 800px); margin: 0 auto; padding: 34px 42px; background: #fff; border: 2px solid #dce7ed; border-radius: 18px; box-shadow: 0 8px 28px rgb(23 43 58 / 10%); }
.heading { display: flex; align-items: center; gap: 22px; padding-bottom: 18px; border-bottom: 3px solid #dce7ed; }
.rocco { width: 118px; height: 118px; object-fit: contain; flex: 0 0 auto; }
h1 { margin: 0; color: #172b3a; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.05; }
.quiz-list { display: grid; gap: 5px; margin-top: 18px; }
.quiz-row { min-height: 55px; display: grid; grid-template-columns: 48px 38px minmax(54px, 1fr) 38px minmax(100px, 1fr); align-items: center; justify-items: center; padding: 3px 14px; border: 1px solid #dce7ed; border-radius: 10px; }
.digit { display: block; width: 42px; height: 42px; object-fit: contain; }
.rocco-digit { width: 48px; height: 48px; }
.zero { width: 38px; height: 38px; }
.symbol { color: #172b3a; font-size: 1.8rem; font-weight: 700; line-height: 1; }
.answer { width: min(100%, 110px); height: 32px; border: 0; border-bottom: 2px solid #526574; }
.missing-slot { display: block; width: min(80%, 68px); height: 30px; border: 0; border-bottom: 2px solid #526574; }
.print-button { display: block; margin: 22px auto 0; padding: 12px 20px; border: 0; border-radius: 8px; color: #fff; background: #173b56; font: inherit; font-weight: 700; cursor: pointer; }
.print-button:focus-visible { outline: 3px solid #ffb000; outline-offset: 3px; }
@media (max-width: 540px) {
  body { padding: 10px; }
  .sheet { padding: 22px 14px; border-radius: 12px; }
  .heading { gap: 12px; }
  .rocco { width: 88px; height: 88px; }
  .quiz-row { grid-template-columns: 38px 28px minmax(40px, 1fr) 28px minmax(72px, 1fr); padding-inline: 5px; }
  .digit { width: 36px; height: 36px; }
  .rocco-digit { width: 42px; height: 42px; }
  .zero { width: 32px; height: 32px; }
  .symbol { font-size: 1.5rem; }
}
@page { size: A4 portrait; margin: 12mm; }
@media print {
  :root { background: #fff; }
  body { padding: 0; }
  .sheet { width: 100%; padding: 0; border: 0; border-radius: 0; box-shadow: none; }
  .print-button { display: none; }
  .quiz-list { gap: 4px; margin-top: 14px; }
  .quiz-row { min-height: 54px; break-inside: avoid; }
}