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

#app {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 60px; /* Space for navbar */
}

.page {
    padding: 20px;
    display: none;
}

h1, h2 {
    text-align: center;
    color: #ff9800; /* Orange color */
}

.product-card {
    position: relative;
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(255,255,255,0.1);
    cursor: pointer;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px;
}

.product-name {
    margin: 0;
    font-size: 18px;
}

.product-price {
    margin: 5px 0;
    color: #ff9800; /* Orange color */
}

.add-button, .quantity-controls {
    position: absolute;
    right: 10px;
    bottom: 10px;
}

.quantity-controls {
    display: none;
}

.quantity-controls button, .quantity-controls span {
    display: inline-block;
    background: #333333;
    color: white;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: none;
    font-size: 18px;
}

button {
    background-color: #ff9800; /* Orange color */
    color: black;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
}

.big-button {
    display: block;
    width: 100%;
    padding: 15px;
    font-size: 18px;
    margin-top: 20px;
}

#navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #333333;
    display: flex;
    justify-content: space-around;
    padding: 10px;
    box-shadow: 0 -2px 5px rgba(255,255,255,0.1);
}

.nav-button {
    background: none;
    border: none;
    font-size: 24px;
    color: #ffffff;
}

#userInfo, #balance {
    margin-bottom: 20px;
}

#orderHistory {
    margin-top: 20px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #333333;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: #ff9800;
    text-decoration: none;
    cursor: pointer;
}