body {
    background-color: #f4f4fa;
    font-family: 'Instrument Sans', sans-serif;
}

.section-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 12px 30px rgba(0,0,0,.06);
}

.preview-card {
    background: #fff;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 12px 30px rgba(0,0,0,.06);
}

.step-header {
    background: #eef0ff;
    border-radius: 10px !important;
    font-weight: 600;
    color: #3d3d98;
}

.accordion-item {
    border: none !important;
    margin-bottom: 18px;
}


.image-placeholder {
    border: 2px dashed #dcdcf5;
    border-radius: 12px;
    height: 230px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafaff;
    color: #999;
    font-weight: 500;
}


.spec-table td {
    padding: 12px;
    border: 1px solid #e9ecef;
    text-align: center;
}

.spec-table tr td:first-child {
    font-weight: 500;
    color: #555;
}

.accordion-button {
    background-color: white;
}

.accordion-button {
    font-size: medium;
    border-top: 0.1px solid #d0d5dd;
}

    .accordion-button:focus,
    .accordion-button:focus-visible {
        outline: none;
        box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
        box-shadow: none;
    }