body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}
header {
    background-color: #007bff;
    color: white;
    padding: 1rem;
    text-align: center;
}
.container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 1rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1, h2 {
    text-align: center;
    color: #333;
}
nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}
nav a {
    background-color: #007bff;
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}
nav a:hover {
    background-color: #0056b3;
}
.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(200px,1fr));
    gap: 1.5rem;
}
.product-item {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: relative;
}
.product-item h3 {
    margin-top: 0;
}
.buttons {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    flex-grow: 1;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #218838;
}
.status-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: #ffc107;
    border: none;
    padding: 0.4rem 0.7rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}
.status-toggle.busy {
    background-color: #dc3545;
    color: white;
}
.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.product-item {
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
    position: relative;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-item h3 {
    margin-top: 0;
    color: #007bff;
    font-size: 1.2rem;
}

.product-item p {
    margin: 0.5rem 0;
    color: #555;
}

.buttons button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 0.4rem 0.6rem;
    margin: 0.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.status-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #ffc107;
    border: none;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}