.rnz-checkout-container {
    background: #ffffff;
    border: 1px solid #e1e3e5;
    border-radius: 8px;
    padding: 30px;
    max-width: 600px;
    margin: 40px auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: #202223;
}

.rnz-product-summary {
    background: #fafbfc;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    border: 1px solid #e1e3e5;
}

.rnz-product-summary h3 {
    margin: 0 0 15px 0;
    font-size: 1.1em;
    font-weight: 600;
    color: #202223;
}

.rnz-summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.95em;
    color: #6d7175;
}



.rnz-summary-item .rnz-value {
    color: #202223;
    font-weight: 500;
}

.rnz-checkout-section {
    margin-bottom: 30px;
}

.rnz-checkout-section h3 {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 15px;
    color: #202223;
}

.rnz-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.rnz-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rnz-field-full {
    grid-column: 1 / -1;
}

.rnz-field label {
    font-size: 0.85em;
    color: #6d7175;
    font-weight: 500;
}

.rnz-field input {
    background: #ffffff;
    border: 1px solid #c9cccf;
    padding: 10px 12px;
    border-radius: 4px;
    color: #202223;
    font-size: 1em;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.rnz-field input:focus {
    border-color: #2c6ecb;
    box-shadow: 0 0 0 2px rgba(44, 110, 203, 0.2);
}

.rnz-field input::placeholder {
    color: #8c9196;
}

.rnz-tier-selector {
    margin-bottom: 20px;
}

.rnz-tier-selector label {
    display: block;
    font-size: 0.85em;
    color: #6d7175;
    font-weight: 500;
    margin-bottom: 6px;
}

.rnz-tier-selector select {
    width: 100%;
    background: #ffffff;
    border: 1px solid #c9cccf;
    padding: 10px 12px;
    border-radius: 4px;
    color: #202223;
    font-size: 1em;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.rnz-tier-selector select:focus {
    border-color: #2c6ecb;
    box-shadow: 0 0 0 2px rgba(44, 110, 203, 0.2);
}

.rnz-price-display {
    text-align: center;
    font-size: 2em;
    font-weight: 600;
    margin: 20px 0;
    color: #202223;
}

.rnz-pay-btn {
    width: 100%;
    background: #008060;
    color: #ffffff;
    border: none;
    padding: 14px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.2s;
    display: none;
}

.rnz-pay-btn:hover {
    background: #006e52;
}

.rnz-paypal-container {
    display: block;
    margin-top: 15px;
}

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