:root {
    --bg-color: #1a1a1a;
    --machine-bg-color: #2a2a2a;
    --primary-color: #ffde00;
    --text-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color: rgba(255, 222, 0, 0.7);
    --border-color: #333;
}

body.light-mode {
    --bg-color: #f0f0f0;
    --machine-bg-color: #ffffff;
    --text-color: #333333;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --glow-color: rgba(255, 222, 0, 0);
    --border-color: #ddd;
}

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    background-image: url('data:image/svg+xml,%3Csvg width="6" height="6" viewBox="0 0 6 6" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%234a4a4a" fill-opacity="0.2"%3E%3Cpath d="M5 0h1L0 6V5zM6 5v1H0V5z"/%3E%3C/g%3E%3C/svg%3E');
    transition: background-color 0.3s, color 0.3s;
}

body.light-mode {
    background-image: url('data:image/svg+xml,%3Csvg width="6" height="6" viewBox="0 0 6 6" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%23cccccc" fill-opacity="0.3"%3E%3Cpath d="M5 0h1L0 6V5zM6 5v1H0V5z"/%3E%3C/g%3E%3C/svg%3E');
}


.lotto-machine {
    position: relative;
    text-align: center;
    background: var(--machine-bg-color);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color), 0 0 20px var(--glow-color);
    margin-bottom: 30px;
    transition: text-shadow 0.3s;
}

.display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    min-height: 100px;
}

lotto-ball {
    display: inline-block;
}

#generate-btn {
    background-color: var(--primary-color);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3), 0 0 20px var(--glow-color);
}

#generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4), 0 0 30px var(--glow-color);
}

#theme-toggle-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--machine-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

#theme-toggle-btn:hover {
    transform: scale(1.1);
}

@media (max-width: 600px) {
    .lotto-machine {
        padding: 20px;
    }

    h1 {
        font-size: 2rem;
    }

    .display {
        flex-wrap: wrap;
    }
}