*,
*::before,
*::after {
  box-sizing: border-box;
}

button,
input {
  font: inherit;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

button:focus,
input:focus {
  outline: none;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  position: relative;
  margin: 0;
  background: var(--body-bg);
  color: var(--text-primary);
  font-family: var(--font-family-base);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.stage {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--layout-canvas-width);
  height: var(--layout-canvas-height);
  overflow: hidden;
}

.font-digit {
  font-family: var(--font-family-digit);
  font-variant-numeric: tabular-nums;
}

.field-error {
  min-height: 18px;
  margin: 0;
  color: var(--func-error);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.field-error[hidden] {
  display: block;
  visibility: hidden;
}