body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    padding: 20px;
    text-align: center;
}

h1 {
    margin: 0 0 20px 0;
}

#search {
    width: 80%;
    max-width: 400px;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #34495e;
    color: #ffffff;
}

#app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}

.app-tile {
    background-color: #34495e;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.app-tile:hover {
    transform: scale(1.05);
}

.app-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 10px;
}

.app-name {
    font-weight: bold;
    margin-bottom: 5px;
}

.app-description {
    font-size: 0.9em;
    color: #bdc3c7;
    margin-bottom: 10px;
}

.app-price {
    font-weight: bold;
    color: #3498db;
    margin-bottom: 10px;
}

.purchase-btn {
    background-color: #3498db;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.purchase-btn:hover {
    background-color: #2980b9;
}