.drag-and-drop-answer-teacher,
.draggable-items {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--classroom-text-0);
    border-radius: 1em;
    padding: 6px 1.5ch;
    cursor: grab;
    margin-bottom: 0;
    margin-top: 0;
    font-weight: 700;
    align-self: center;
}

.drag-and-drop-answer-teacher {
    background: var(--classroom-background);
    color: var(--classroom-text-0);
    cursor: pointer;
    text-align: center;
    user-select: none;
    margin-bottom: 0.5em;
}

.droppable-items {
    display: inline-flex;
    border-radius: 1em;
    margin: 0.30em 0;
    min-width: none;
    vertical-align: middle;
}

.droppable-items:empty {
    border: 1px solid var(--classroom-text-0);
    min-width: 5em;
    min-height: 1.8em;
}

.drag-and-drop-fields {
    border: 1px solid var(--classroom-text-0);
    border-radius: 1em;
    padding: 1em;
    margin-block: 1em;
    min-height: 60px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-content: center;
    gap: 10px;
}

span[id^="dz-"],
span[id*="-dz-"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 5em;
    min-height: 1.8em;
    vertical-align: middle;
    border: 1px solid var(--classroom-text-0);
    border-radius: 1em;
    padding: 4px 8px;
}

.draggable-items img {
    max-width: 150px;
    max-height: 150px;
    height: auto;
    width: auto;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
}

.draggable-source--is-dragging img {
    display: none !important;
}

.course-activities-content .draggable-source--is-dragging img {
    display: inline-block !important;
}

.draggable-source--is-dragging:has(img)::before {
    content: attr(data-drag-text);
    display: inline-block;
    padding: 4px 8px;
    font-size: 0.9em;
}

.draggable-mirror {
    opacity: 0.35 !important;
    pointer-events: none;
}

.dropzone-preview img,
span[id^="dz-"] img,
span[id*="-dz-"] img {
    max-width: 150px;
    max-height: 150px;
    height: auto;
    width: auto;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .draggable-items img,
    .dropzone-preview img,
    span[id^="dz-"] img,
    span[id*="-dz-"] img {
        max-width: 100px;
        max-height: 100px;
    }
}

/* Math-field specific styles */
.drag-and-drop-answer-teacher math-field,
.draggable-items math-field,
span[id^="dz-"] math-field,
span[id*="-dz-"] math-field {
    min-width: 3em !important;
    width: auto !important;
    display: inline-block !important;
    vertical-align: middle !important;
    font-size: 1em !important;
}

.drag-and-drop-answer-teacher:has(math-field),
.draggable-items:has(math-field) {
    min-width: 3em !important;
    width: auto !important;
    padding: 6px 12px !important;
}