:root {
    --gold: #C5A059;
    --dark: #111111;
    --slate: #64748b;
    --border: #e2e8f0;
}

.calculator-widget {
    max-width: 900px;
    margin: 2.5rem auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.calc-title {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark);
    text-align: center;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}



.input-group {
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--slate);
    margin-bottom: 6px;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.calc-btn {
    width: 100%;
}

.calc-btn:hover {
    background: var(--gold);
}

.calc-visuals {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #fafafa;
    border-radius: 8px;
    padding: 20px;
}

.chart-container { 
    width: 100%;
    max-width: 300px;
    margin-bottom: 20px;
}

.total-payment {
    text-align: center;
}
.total-payment .label {
    display: block;
    color: var(--slate);
    font-size: 0.875rem;
}
.total-payment .value {font-size: 2.5rem;
    color: var(--gold);
    font-weight: bold;
}



@media (max-width: 768px) {
    .calc-grid { grid-template-columns: 1fr; }
}