body {
    font-family: 'Courier New', monospace;
    background-color: #411911;
    color: #e7e7c5;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    line-height: 1.6;
}

#game-container {
    background-color: #7db8a6;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(209, 161, 50, 0.3);
    max-width: 600px;
    width: 100%;
}

h1 {
    color: #411911;
    text-align: center;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h2 {
    color: #d96d2c;
    text-align: center;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#inventory, #trading-area {
    background-color: #e7e7c5;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    color: #411911;
}

#inventory-list, #npc-offer {
    list-style-type: none;
    padding: 0;
}

#inventory-list li, #npc-offer {
    background-color: #d1a132;
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

button {
    background-color: #c84225;
    color: #e7e7c5;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
}

button:hover {
    background-color: #d96d2c;
}

#refresh-button {
    display: block;
    margin: 1.5rem auto 0;
    background-color: #d96d2c;
}

#refresh-button:hover {
    background-color: #c84225;
}

#congrats-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #7db8a6;
    color: #411911;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 30px rgba(217, 109, 44, 0.5);
}

#congrats-message h2 {
    color: #c84225;
    margin-bottom: 1rem;
}

#congrats-message p {
    margin-bottom: 1.5rem;
}

#congrats-message button {
    background-color: #d96d2c;
}

#congrats-message button:hover {
    background-color: #c84225;
}

@media (max-width: 600px) {
    #game-container {
        padding: 1rem;
    }

    button {
        padding: 0.5rem 1rem;
    }
}