body {
    background: linear-gradient(135deg, #e0f7fa, #f3e5f5);
    font-family: 'Segoe UI', sans-serif;
}

.emi-card {
    max-width: 1100px;
    margin: auto;
    background: #fff;
    border-radius: 25px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    padding: 50px 40px;
}

    .emi-card h2 {
        font-size: 32px;
        font-weight: 700;
        text-align: center;
        margin-bottom: 40px;
        background: linear-gradient(90deg, #0d6efd, #6610f2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

.slider-label {
    font-weight: 600;
    margin-bottom: 6px;
    color: #333;
}

.range-slider {
    width: 100%;
    height: 8px;
    border-radius: 12px;
    background: linear-gradient(90deg, #0d6efd, #6610f2);
    outline: none;
    margin-bottom: 15px;
}

.range-value {
    text-align: right;
    font-weight: 600;
    color: #0d6efd;
    margin-bottom: 10px;
}

.input-group input {
    text-align: right;
    font-weight: 500;
    border-radius: 12px;
}

.output-value {
    font-size: 28px;
    font-weight: 700;
    color: #6610f2;
}

.btn-cta {
    background: linear-gradient(90deg, #0d6efd, #6610f2);
    border: none;
    border-radius: 15px;
    color: #fff;
    font-weight: 600;
    padding: 14px 25px;
    width: 100%;
    transition: all 0.3s ease;
}

    .btn-cta:hover {
        transform: scale(1.05);
    }

.progress {
    height: 20px;
    border-radius: 12px;
    background: #e9ecef;
    margin-top: 10px;
}

.progress-bar-principal {
    background: #0d6efd;
}

.progress-bar-interest {
    background: #6610f2;
}

#emiChart {
    max-width: 100%;
    height: 280px;
}