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

:root {
    --background-color: oklch(98% 0.02 240);
    --text-color: oklch(20% 0.02 240);
    --accent-color: oklch(65% 0.2 260);
    --shadow-color: oklch(20% 0.02 240 / 40%);
    --lotto-bg: oklch(85% 0.15 260);
    --lotto-shadow: oklch(65% 0.2 260 / 60%);
}

[data-theme="dark"] {
    --background-color: oklch(15% 0.02 240);
    --text-color: oklch(95% 0.02 240);
    --accent-color: oklch(70% 0.15 260);
    --shadow-color: oklch(0% 0 0 / 50%);
    --lotto-bg: oklch(30% 0.1 260);
    --lotto-shadow: oklch(70% 0.15 260 / 40%);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: grid;
    place-content: center;
    min-height: 100vh;
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
}

main {
    text-align: center;
    position: relative;
}

#theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--accent-color);
    border-radius: 2rem;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
}

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

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-block-end: 2rem;
}

#numbers-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-block-end: 3rem;
    flex-wrap: wrap;
}

lotto-number {
    --size: 4rem;
    width: var(--size);
    height: var(--size);
    display: grid;
    place-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    background-color: var(--lotto-bg);
    box-shadow: 
        0 4px 8px var(--shadow-color),
        0 0 20px var(--lotto-shadow);
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

lotto-number:hover {
    transform: translateY(-5px);
}

#generate-button {
    font-size: 1.2rem;
    font-weight: 700;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    background-color: var(--accent-color);
    color: oklch(98% 0.02 240);
    cursor: pointer;
    box-shadow: 
        0 4px 8px var(--shadow-color),
        0 0 20px var(--accent-color);
    transition: all 0.3s ease;
}

#generate-button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 12px var(--shadow-color),
        0 0 30px var(--accent-color);
}