:root {
  color-scheme: light dark;
}

body {
  margin: 0;
  padding: 20px;
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #111);
  font: 16px system-ui, sans-serif;
}

main {
  max-width: 460px;
  margin: auto;
}

input,
button {
  box-sizing: border-box;
  width: 100%;
  margin: 6px 0;
  padding: 12px;
  border: 1px solid #aaa;
  border-radius: 10px;
  font: inherit;
}

button {
  border: 0;
  background: var(--tg-theme-button-color, #2481cc);
  color: var(--tg-theme-button-text-color, #fff);
  cursor: pointer;
}

button.secondary {
  background: #777;
}

.hidden {
  display: none;
}

.error {
  color: #c33;
  white-space: pre-wrap;
}

.result {
  padding: 12px;
  border-radius: 10px;
  background: rgb(127 127 127 / 15%);
  white-space: pre-wrap;
}

small {
  opacity: 0.75;
}

.remember {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
}

.remember input {
  width: auto;
  margin: 0;
}