body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.25rem;
  line-height: 1.3;
}

main {
  padding-block: var(--space-lg) var(--space-xl);
}

input[type="range"] {
  width: 100%;
  min-height: var(--input-height);
  outline: none;
}

input[type="range"]:focus {
  outline: none;
  box-shadow: none;
}

input[type="range"]::-moz-focus-outer {
  border: 0;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.field {
  margin-bottom: var(--space-lg);
}

.field output {
  display: inline-block;
  min-width: 5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xs);
}

.field-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.field-number {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  background: var(--color-surface);
  color: var(--color-text);
}

.field-number:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.field-hint {
  margin: var(--space-xs) 0 0;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.calculator-card--tool .calculator-tool__inputs .field:last-child {
  margin-bottom: 0;
}

.calculator-card--tool .field {
  margin-bottom: var(--space-md);
}

.calculator-card--tool > :not([hidden]) {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 100%;
  padding: var(--space-lg);
  background: transparent;
}