body {
    background-color: #f2f2f2;
}

/* Carte principale */
#project-builder .bg-light {
    background: #ffffff !important;
    border-radius: 20px !important;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.progress-circle {
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: conic-gradient(#0085c3 25%, #cfcfcf 25%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Cercle gris intermédiaire */
.progress-middle {
    width: 300px;
    height: 300px;
    background: #f2f2f2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cercle blanc intérieur */
.progress-inner {
    width: 230px;
    height: 230px;
    background: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Image */
#progress-center-img {
    max-height: 170px;
    width: auto;
}

/* Checkboxes style modern */
.form-check {
    background: #f8f9fa;
    padding: 12px 16px;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.form-check:hover {
    background: #e9ecef;
}

/* Animation step */
#step-container {
    animation: fadeInStep 0.4s ease;
}

@keyframes fadeInStep {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .progress-circle {
        width: 260px;
        height: 260px;
    }

    .progress-middle {
        width: 210px;
        height: 210px;
    }

    .progress-inner {
        width: 160px;
        height: 160px;
    }

    #progress-center-img {
        max-height: 110px;
    }
}