body {
    min-height: 100vh;
    background: #f5f6f8;
}

/* wrapper principal */
.main-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* box principale */
.welcome-box {
    width: 100%;
    max-width: 500px;
    background: #ffffff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.welcome-box {
    position: relative;
}

.login-logo-corner {
    position: absolute;
    top: clamp(12px, 3vw, 30px);
    left: clamp(12px, 3vw, 30px);

    max-width: clamp(90px, 28vw, 200px);
    max-height: clamp(36px, 12vw, 80px);

    width: auto;
    height: auto;
    object-fit: contain;
}
/* modale */
.modal-content {
    border-radius: 18px;
    border: 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.modal-header {
    border-bottom: 0;
    padding-bottom: 0;
}

.modal-body {
    padding-top: 10px;
}

/* inputs */
.form-control {
    min-height: 48px;
    border-radius: 12px;
}

/* bouton */
.btn-primary {
    min-height: 48px;
    border-radius: 12px;
}

/* petits liens */
.small-links a {
    text-decoration: none;
    font-size: 0.9rem;
}

.small-links a:hover {
    text-decoration: underline;
}

/* responsive mobile */
@media (max-width: 576px) {
    .modal-dialog {
        margin: 12px;
    }

    .welcome-box {
        padding: 18px;
    }
}