.app-header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: center;
}

.app-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.app-brand img {
    max-height: 60px;
    max-width: 180px;
    height: auto;
}

.app-title {
    margin: 0;
    font-size: 1.5rem;
    color: #333;
    font-weight: 600;
}