.miniapp-list-container {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.miniapp-category {
    margin-bottom: 5px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.miniapp-parent-category {
    background-color: #f8f9fa;
}

.miniapp-child-category {
    margin: 5px 10px;
    background-color: #fff;
}

.miniapp-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.miniapp-parent-category > .miniapp-category-header {
    background-color: #f0f0f0;
}

.miniapp-parent-category > .miniapp-category-header:hover {
    background-color: #e5e5e5;
}

.miniapp-child-category > .miniapp-category-header {
    background-color: #fafafa;
    padding: 12px 15px;
}

.miniapp-child-category > .miniapp-category-header:hover {
    background-color: #f0f0f0;
}

.miniapp-category-title {
    font-weight: 600;
    font-size: 16px;
    color: #333;
}

.miniapp-child-category .miniapp-category-title {
    font-size: 14px;
    font-weight: 500;
}

.miniapp-toggle-icon {
    font-size: 12px;
    color: #666;
    transition: transform 0.3s ease;
}

.miniapp-category-header.open .miniapp-toggle-icon {
    transform: rotate(180deg);
}

.miniapp-category-content {
    padding: 0;
    background-color: #fff;
}

.miniapp-parent-category > .miniapp-category-content {
    padding: 10px;
}

.miniapp-item {
    padding: 10px 15px;
    border-bottom: 1px solid #f0f0f0;
}

.miniapp-item:last-child {
    border-bottom: none;
}

.miniapp-link {
    color: #0073aa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.miniapp-link:hover {
    color: #005a87;
    text-decoration: underline;
}

.miniapp-no-items,
.miniapp-no-items-child {
    color: #666;
    font-style: italic;
    padding: 10px 15px;
    margin: 0;
}

.miniapp-embed-container {
    margin: 20px auto;
}

.miniapp-error {
    padding: 20px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 5px;
    color: #856404;
    text-align: center;
}

@media (max-width: 600px) {
    .miniapp-category-header {
        padding: 12px 15px;
    }
    
    .miniapp-category-title {
        font-size: 14px;
    }
}