.brzo-plakanje-hint-header {
    background: linear-gradient(135deg, #13688e, #1f93fe);
    color: white;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(13, 110, 253, 0.2);
}

    .brzo-plakanje-hint-header i {
        font-size: 1.4rem;
        margin-right: 0.6rem;
        color: white;
    }

.explanation-box {
    border-left: 4px solid #1575cc;
    background-color: #f8f9fa;
}