body {
    background: #0d0f16;
    color: #fff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 15px;
}

.header {
    text-align: center;
    margin-bottom: 15px;
}

.total-block {
    font-size: 20px;
    margin-top: 5px;
    color: #00eaff;
}

.controls {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

button {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #1a2333;
    color: #fff;
    font-size: 16px;
}

button:hover {
    background: #233047;
}

.items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.card {
    width: 150px;
    background: #1b1f2e;
    border-radius: 10px;
    padding: 10px;
    margin: 8px;
    text-align: center;
    transition: all .2s;
}

.card.selected {
    background: #2f3c5c;
    transform: scale(1.05);
}

.card img {
    width: 120px;
    border-radius: 5px;
}

.name {
    margin-top: 5px;
    font-size: 14px;
}

.price {
    margin-top: 4px;
    color: #00eaff;
    font-size: 16px;
    font-weight: bold;
}