body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    width: 90%;
    max-width: 800px;
}

#lobby {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 5px;
}

#playerList {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

#playerList div {
    background-color: #e0e0e0;
    padding: 5px 10px;
    border-radius: 3px;
}

#game-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

input[type="file"] {
    margin: 10px 0;
}

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

table.editable td {
    cursor: pointer;
}

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

th {
    background-color: #f2f2f2;
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.button-group button {
    padding: 10px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.button-group button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.button-group button:hover:not(:disabled) {
    background-color: #45a049;
}

#game-status {
    margin-top: 15px;
    font-weight: bold;
    color: #333;
}

.editing-cell {
    background-color: #e6f2ff;
}

#search-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
}

#searchInput, #searchColumn {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#searchInput {
    width: 60%;
}

#searchColumn {
    width: 30%;
}

.search-highlight {
    background-color: yellow;
    font-weight: bold;
}

.add-to-cart-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
}

#cart-container {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    margin: 20px 0;
    padding: 15px;
    border-radius: 5px;
}

#cart-container table {
    width: 100%;
    border-collapse: collapse;
}

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

#cart-container button {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
}

.hidden {
    display: none;
}

#toggleCartButton {
    background-color: #2196F3;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}

#toggleCartButton:hover {
    background-color: #1E88E5;
}

.quantity-input {
    width: 60px;
    padding: 5px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.column-toggle-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
}

.column-toggle-btn {
    padding: 5px 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.column-toggle-btn.hidden-column {
    background-color: #cccccc;
}