.calculator {
    height: 100%;
    overflow-y: auto;
    background: var(--color-darker-background);
    color: var(--color-foreground);
}

.calculator-face {
    display: flex;
    flex-direction: column;
    max-width: 40rem;
    height: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.calculator-display {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 3rem;
    padding-top: 2.5rem;
    border-bottom: 1px solid color-mix(in srgb, var(--color-foreground) 12%, transparent);
}

.calculator-expression {
    padding-left: 0.85rem;
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    color: color-mix(in srgb, var(--color-foreground) 55%, transparent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calculator-result {
    font-size: 6.5rem;
    font-weight: 300;
    line-height: 1;
    text-align: right;
    color: var(--color-bright-foreground);
    white-space: nowrap;
    overflow: hidden;
}

.calculator-result-long {
    font-size: 3.5rem;
}

.calculator-keypad {
    flex: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.3333rem;
    padding-top: 2.3333rem;
}

.calculator-key {
    height: 6rem;
    border: 1px solid color-mix(in srgb, var(--color-foreground) 8%, transparent);
    border-radius: 0.7rem;
    background: var(--color-background);
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--color-foreground);
    cursor: pointer;
}

.calculator-key:hover {
    background: color-mix(in srgb, var(--color-foreground) 8%, var(--color-background));
}

.calculator-key:active {
    background: color-mix(in srgb, var(--color-foreground) 16%, var(--color-background));
}

.calculator-key-op {
    border-color: transparent;
    background: color-mix(in srgb, var(--color-foreground) 12%, var(--color-background));
}

.calculator-key-op:hover {
    background: color-mix(in srgb, var(--color-foreground) 20%, var(--color-background));
}

.calculator-key-equals {
    border-color: transparent;
    background: var(--color-accent);
    color: var(--color-background);
}

.calculator-key-equals:hover,
.calculator-key-equals:active {
    background: color-mix(in srgb, var(--color-accent) 85%, var(--color-bright-foreground));
}