body {
    font-family: sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.counter-container {
    position: sticky;
    top: 0;
    background-color: #f0f0f0;
    padding: 1rem;
    border-bottom: 1px solid #ccc;
    z-index: 1;
    text-align: center;
}

.options-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.category-title {
    grid-column: 1 / -1;
    text-align: left;
    font-size: 1.5rem;
    margin: 1rem 0 0.5rem;
    border-bottom: 2px solid #ccc;
    padding-bottom: 0.5rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.option {
    border: 1px solid #ccc;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    user-select: none;
    background-color: #fff;
    transition: background-color 0.2s;
}

.option.selected {
    background-color: #a0e0a0;
}

.option .count {
    font-size: 0.8rem;
    color: #555;
}

.actions-container {
    position: sticky;
    bottom: 0;
    background-color: #f0f0f0;
    padding: 1rem;
    border-top: 1px solid #ccc;
    display: flex;
    justify-content: space-around;
}

button {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
}