@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');

:root {
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --primary-text: #1a1a1a;
    --accent-color: #007BFF;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --lotto-ball-colors: #FF6B6B, #FFD93D, #6BCB77, #4D96FF, #C780FA;
    --bg-pattern: #e0e0e0;
}

[data-theme="dark"] {
    --background-color: #1a1a1a;
    --card-background: #2d2d2d;
    --primary-text: #f0f2f5;
    --accent-color: #3793ff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --bg-pattern: #3a3a3a;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    background-image: url('data:image/svg+xml,%3Csvg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm13-56c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm43 6c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm-43 43c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm62-3c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zM32 3c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4z" fill="%23888888" fill-opacity="0.1" fill-rule="evenodd"/%3E%3C/svg%3E');
}

main {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px var(--shadow-color);
    text-align: center;
    width: 90%;
    max-width: 500px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--card-background);
    border: 1px solid var(--accent-color);
    color: var(--primary-text);
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    box-shadow: 0 2px 5px var(--shadow-color);
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    background: var(--accent-color);
    color: white;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

#generate-btn {
    background-color: var(--accent-color);
    color: var(--primary-text);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

#generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.6);
}

#lotto-display {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    min-height: 80px;
}

lotto-balls {
    display: flex;
    gap: 10px;
}