:root {
    --background-color: #f0f0f0;
    --container-background: white;
    --text-color: #000;
    --button-background: #008CBA;
    --button-text: white;
    --number-background: #4CAF50;
    --box-shadow-color: rgba(0,0,0,0.1);
}

body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--background-color);
    color: var(--text-color);
}

body.dark-mode {
    --background-color: #121212;
    --container-background: #1e1e1e;
    --text-color: #fff;
    --button-background: #005f73;
    --number-background: #0a9396;
    --box-shadow-color: rgba(255,255,255,0.1);
}

body.purple-mode {
    --background-color: #3f003f;
    --container-background: #5a005a;
    --text-color: #f0f0f0;
    --button-background: #8e008e;
    --number-background: #c700c7;
    --box-shadow-color: rgba(255,255,255,0.2);
}

.container {
    text-align: center;
    background-color: var(--container-background);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 8px 16px var(--box-shadow-color);
}

.money-character {
    width: 50px;
    height: 50px;
    margin: 1rem auto;
    display: block;
}

.numbers-display {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--number-background);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

#generate-btn {
    background-color: var(--button-background);
    color: var(--button-text);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

#theme-toggle-btn {
    background-color: var(--button-background);
    color: var(--button-text);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.8rem;
    position: absolute;
    top: 10px;
    right: 10px;
}