.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.calc-card {
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.calc-card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 700;
}

.calc-form .input-row {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.calc-form label {
    font-size: 14px;
    font-weight: 700;
    color: var(--muted);
    margin-bottom: 8px;
}

.calc-form .add-subtract-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.calc-form .button-row {
    display: flex;
    gap: 10px;
}
.calc-form .button-row .primary-btn {
    flex-grow: 1;
}

.calc-result {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 16px;
    color: var(--muted);
}
.calc-result strong {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 5px;
}

/* --- Dedicated styles for Date inputs --- */
.calc-form input[type="date"] {
    background: var(--card);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    padding: 12px 14px;
    min-height: 49px; /* This is the crucial fix */
}

.calc-form input[type="date"]:focus { outline: none; border-color: var(--accent-color); }



@media (max-width: 480px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
}