:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  margin: 0;
  background: var(--tg-theme-bg-color, #1f1f1f);
  color: var(--tg-theme-text-color, #ffffff);
}

.container {
  padding: 16px;
  max-width: 420px;
  margin: 0 auto;
}

h1 {
  margin: 0 0 8px;
  font-size: 24px;
}

.muted {
  margin: 0;
  opacity: 0.8;
}

.balance {
  margin: 12px 0 6px;
  font-size: 18px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.card {
  border: none;
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: var(--tg-theme-secondary-bg-color, #2a2a2a);
  color: var(--tg-theme-text-color, #ffffff);
}

.card:active {
  transform: scale(0.98);
  opacity: 0.92;
}

.result {
  margin: 16px 0 10px;
  min-height: 44px;
  line-height: 1.4;
}

.refresh {
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  background: var(--tg-theme-button-color, #2ea6ff);
  color: var(--tg-theme-button-text-color, #ffffff);
  font-weight: 600;
}