@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

:root {
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --primary-color: #ff6b6b;
    --secondary-color: #f0e68c;
    --ball-size: 60px;
    --container-bg: rgba(0, 0, 0, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --gradient-start: #3a3a3a;
    --gradient-end: #1a1a1a;
}

[data-theme="light"] {
    --background-color: #f8f9fa;
    --text-color: #212529;
    --primary-color: #ff4757;
    --secondary-color: #eccc68;
    --container-bg: rgba(255, 255, 255, 0.8);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --gradient-start: #e9ecef;
    --gradient-end: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: radial-gradient(circle, var(--gradient-start), var(--gradient-end));
    transition: background-color 0.3s ease, color 0.3s ease;
}

.lotto-machine {
    position: relative;
    text-align: center;
    padding: 40px;
    background-color: var(--container-bg);
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
    backdrop-filter: blur(10px);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--primary-color);
    color: white;
}

h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-shadow: 0 0 10px var(--primary-color);
}

.number-display {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

#generate-btn {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--primary-color);
}

#generate-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px var(--primary-color);
}

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

    h1 {
        font-size: 2rem;
    }

    .number-display {
        gap: 10px;
    }

    #generate-btn {
        font-size: 1rem;
        padding: 12px 25px;
    }
}