.kpr-wrapper {
    max-width: 400px;
    margin: 20px auto;
    padding: 30px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    text-align: center;
}

.kpr-title {
    color: #4A90E2;
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 700;
}

.kpr-divider {
    height: 4px;
    background-color: #4A90E2;
    width: 100%;
    margin-bottom: 25px;
}

.kpr-form-group {
    margin-bottom: 15px;
}

.kpr-input, .kpr-select {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid #ccc;
    border-radius: 30px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
    outline: none;
    color: #333;
    background-color: #fff;
}

.kpr-input:focus, .kpr-select:focus {
    border-color: #4A90E2;
}

.kpr-button {
    width: 100%;
    background-color: #1A1B5D;
    color: white;
    padding: 14px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.kpr-button:hover {
    background-color: #2a2c8a;
}

.kpr-button .arrow {
    margin-left: 10px;
}

.kpr-result-box {
    margin-top: 20px;
    padding: 20px;
    background-color: #1A1B5D;
    border-radius: 20px;
    color: white;
}

.kpr-result-label {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    color: #ffffff;
}

.kpr-result-amount {
    margin: 5px 0 0;
    font-size: 26px;
    font-weight: 800;
    color: #ffffff !important; /* Memastikan warna putih tebal */
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}