:root {
    --primary-color: oklch(65% 0.25 260);
    --background-color: oklch(98% 0.02 260);
    --text-color: oklch(20% 0.1 260);
    --container-bg: oklch(100% 0 0 / 50%);
    --shadow-color: oklch(0% 0 0 / 20%);
    --border-radius: 12px;
    --font-family: 'Inter', sans-serif;
}

[data-theme="dark"] {
    --primary-color: oklch(70% 0.2 260);
    --background-color: oklch(15% 0.02 260);
    --text-color: oklch(90% 0.02 260);
    --container-bg: oklch(25% 0.03 260 / 60%);
    --shadow-color: oklch(0% 0 0 / 40%);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    display: grid;
    place-content: center;
    min-height: 100vh;
    margin: 0;
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="4" height="4" viewBox="0 0 4 4"%3E%3Cpath fill="%239C92AC" fill-opacity="0.1" d="M1 3h1v1H1V3zm2-2h1v1H3V1z"%3E%3C/path%3E%3C/svg%3E');
}

.container {
    text-align: center;
    padding: 2rem;
    background-color: var(--container-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px var(--shadow-color);
    backdrop-filter: blur(10px);

}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

#number-container {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    justify-content: center;
}

lottery-ball {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: grid;
    place-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

lottery-ball:hover {
    transform: translateY(-5px);
}

#generate-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px oklch(65% 0.25 260 / 50%);
}

#generate-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px oklch(65% 0.25 260 / 80%);
}

#theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--container-bg);
    border: 1px solid var(--shadow-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--shadow-color);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 100;
}

#theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px var(--shadow-color);
}

body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}