/* Page layout */
body {
  margin: 0;
  background: #f4f6f8;
  color: #1f2933;
  font-family: Arial, sans-serif;
  text-align: center;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 16px;
}

/* Start button */
button {
  padding: 12px 32px;
  border: none;
  border-radius: 6px;
  background: #1769aa;
  color: white;
  font-size: 18px;
  cursor: pointer;
}

button:disabled {
  background: #9aa5b1;
  cursor: not-allowed;
}

/* Result cards: three in a row, wrapping on narrow screens */
.results {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.result {
  flex: 1;
  min-width: 150px;
  padding: 8px;
  border-radius: 6px;
  background: white;
}

.result h2 {
  font-size: 16px;
}

/* Big result number and the data line under it */
.value {
  font-size: 28px;
  font-weight: bold;
  margin: 8px 0;
}

.data {
  font-size: 14px;
  color: #52606d;
}

#status {
  font-size: 18px;
}

#summary {
  margin-top: 24px;
  font-weight: bold;
}