.martcode-lesson {
    position: relative;
    border: 2px dashed #ccc;
    cursor: move;
    user-select: none;
    touch-action: none;
    width: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /*height: 100px;*/
}

.martcode-lesson:hover {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.martcode-lesson:active {
    cursor: grabbing;
}

.martcode-lesson.dragging {
    opacity: 0.5;
}

.martcode-lesson-placeholder {
    border: 1px dashed #ccc;
    margin: 10px;
}

.martcode-lesson-handle {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    cursor: move;
    transition: all 0.2s ease-in-out;
    display: none;
}

.martcode-lesson:hover .martcode-lesson-handle {
    display: block;
}

.martcode-lesson-handle:before {
    content: "\2630";
    font-size: 24px;
    line-height: 40px;
    text-align: center;
}

.martcode-lesson-handle:active {
    cursor: grabbing;
}

.martcode-lesson-handle.dragging {
    opacity: 0.5;
}

.mart-code-fix-area {
    padding: 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1),
    0px 1px 3px rgba(0, 0, 0, 0.12),
    0px 2px 4px rgba(0, 0, 0, 0.2),
    0px 2px 10px rgba(0, 0, 0, 0.22);
}

.martcode-lesson-program-table {
    border-radius: 6px !important;
    border-collapse: separate;
    border-spacing: 3px;
}


.lesson-program-valid-for-drop {
    background-color: #32c5d2!important;
    opacity: 20%;
}

.lesson-program-invalid-for-drop {
    background-color: #e43a45!important;
    opacity: 20%;
}