body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    text-align: center;
}

.info {
    text-align: center;
    margin-bottom: 20px;
}

.seats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
   
}

.seat {
    padding: 15px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    border: 3px solid;
}

.seat.available {
    background-color: #fafdfb;
    border-color:#000000;
}

.seat.selected {
    background-color: #28a745;
    color: white;
    border-color:#000000;
}

.seat.booked {
    background-color: #ccc;
    color: white;
    border-color:#ccc;
    cursor: not-allowed;
}

.seat:hover.available {
    background-color: #c3e6cb;
}

.summary {
    margin-top: 20px;
    text-align: center;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

button:hover:not(:disabled) {
    background-color: #0056b3;
}