.o_custom_part_design_page {
    background: linear-gradient(145deg, #eaf3ef 0%, #f9fcfb 45%, #e4eef6 100%);
}

.o_custom_part_section .o_custom_part_header h1 {
    font-size: 2.1rem;
    letter-spacing: 0.01em;
}

.o_custom_card {
    background: #ffffff;
    border: 1px solid #d8e3e6;
    border-radius: 0.85rem;
    box-shadow: 0 14px 36px rgba(39, 67, 86, 0.08);
}

.o_preview_stage {
    width: 100%;
    height: 460px;
    border-radius: 0.65rem;
    overflow: hidden;
    border: 1px solid #cad9de;
}

.o_preview_hint {
    color: #49626e;
    font-size: 0.88rem;
}

.o_parameter_form .form-control {
    border-color: #b9ccd1;
}

.o_parameter_form .form-control:focus {
    border-color: #2c7a7b;
    box-shadow: 0 0 0 0.16rem rgba(44, 122, 123, 0.2);
}

.o_scad_code {
    min-height: 90px;
    margin: 0;
    font-size: 0.9rem;
    white-space: pre-wrap;
    background: #f6fafb;
    border: 1px solid #d5e2e5;
    border-radius: 0.6rem;
    padding: 0.9rem;
}

@media (max-width: 991.98px) {
    .o_preview_stage {
        height: 360px;
    }
}