body {
    font-family: Arial, sans-serif;
}

form {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid #ddd;
    background: #f9f9f9;
}

form label {
    display: block;
    margin: 10px 0 5px;
}

form input, form select, form textarea, form button {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background: #f4f4f4;
}

#seat-map {
    display: grid;
    gap: 10px;
    margin: 20px 0;
}

.seat-row {
    display: flex;
    justify-content: center;
}

.seat {
    width: 40px;
    height: 40px;
    background-color: #ddd;
    text-align: center;
    line-height: 40px;
    border: 1px solid #ccc;
    cursor: pointer;
    user-select: none;
}

.seat.selected {
    background-color: #6c6;
    color: white;
}

.seat.occupied {
    background-color: #f00;
    color: white;
    cursor: not-allowed;
}