.calculator-card {
    padding: 28px;

    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
}

.calculator-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.calculator-card label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.calculator-card input {
    width: 100%;
    padding: 12px;

    color: var(--text);
    background: var(--input);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.calculator-card input:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.calculator-error {
    min-height: 24px;
    margin: 14px 0 0;

    color: var(--error);
    text-align: center;
}

.calculator-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.calculator-result {
    padding: 18px;

    text-align: center;
    background: var(--input);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.calculator-result-label {
    display: block;
    margin-bottom: 4px;

    color: var(--muted);
    font-size: 0.9rem;
}

.calculator-result-value {
    color: var(--accent);
    font-size: 1.8rem;
    font-weight: 700;
}

.calculator-explanation {
    margin-top: 28px;
    padding-top: 24px;

    color: var(--muted);
    border-top: 1px solid var(--border);
}

.calculator-explanation h2 {
    color: var(--text);
}

.calculator-explanation code {
    color: var(--accent);
}

.tool-disclaimer {
    margin: 28px 0 0;

    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

@media (max-width: 620px) {
    .calculator-card {
        padding: 20px;
    }

    .calculator-inputs,
    .calculator-results {
        grid-template-columns: 1fr;
    }
}