.cbpi-wrapper {
    max-width: 750px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #2d3748;
}

.cbpi-header {
    text-align: center;
    margin-bottom: 25px;
}

.cbpi-header h2 {
    margin: 0 0 8px 0;
    color: #1a202c;
    font-size: 24px;
    font-weight: 700;
}

.cbpi-header p {
    margin: 0;
    color: #718096;
    font-size: 14px;
}

.cbpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.cbpi-field {
    display: flex;
    flex-direction: column;
}

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

.cbpi-field label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #4a5568;
}

.cbpi-field label .required {
    color: #e53e3e;
}

.cbpi-field select,
.cbpi-field input,
.cbpi-field textarea {
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 14px;
    background-color: #fff;
    transition: all 0.2s ease;
}

.cbpi-field select:focus,
.cbpi-field input:focus,
.cbpi-field textarea:focus {
    outline: none;
    border-color: #3182ce;
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
}

.cbpi-summary-box {
    margin: 25px 0;
    padding: 20px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
}

.cbpi-summary-box h3 {
    margin: 0 0 15px 0;
    font-size: 16px;
    color: #2b6cb0;
    border-bottom: 2px solid #ebf8ff;
    padding-bottom: 8px;
}

.cbpi-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.cbpi-summary-item {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    padding: 10px 14px;
    border-radius: 6px;
    border: 1px solid #edf2f7;
}

.cbpi-summary-item.highlight {
    background: #ebf8ff;
    border-color: #bee3f8;
}

.cbpi-summary-item .label {
    font-size: 12px;
    color: #718096;
}

.cbpi-summary-item .value {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    margin-top: 4px;
}

.cbpi-summary-item.highlight .value {
    color: #2b6cb0;
}

.cbpi-customer-details {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #edf2f7;
}

.cbpi-customer-details h3 {
    margin: 0 0 15px 0;
    font-size: 18px;
    color: #1a202c;
}

.cbpi-btn {
    width: 100%;
    margin-top: 20px;
    padding: 12px 20px;
    background: #3182ce;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.cbpi-btn:hover {
    background: #2b6cb0;
}

#cbpi-response-msg {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
    display: none;
}

#cbpi-response-msg.success {
    display: block;
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

#cbpi-response-msg.error {
    display: block;
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}