:root {
    --primary-color: #f0c419;
    --secondary-color: #f7a440;
    --background-color: #121212;
    --card-background: #1e1e1e;
    --text-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color: rgba(240, 196, 25, 0.8);
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--background-color);
    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');
    color: var(--text-color);
}

.container {
    padding: 2rem;
}

.card {
    width: 100%;
    max-width: 400px;
    background: var(--card-background);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-color);
}

.card-header p {
    margin: 0;
    font-size: 1rem;
    color: var(--text-color-secondary);
    opacity: 0.8;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2.5rem 0;
}

.lotto-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--card-background);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 4px 15px var(--glow-color);
    transform: scale(0);
    opacity: 0;
    animation: number-appear 0.5s forwards;
}

@keyframes number-appear {
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.generator-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--card-background);
    border: none;
    border-radius: 10px;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px var(--glow-color);
}

.generator-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--glow-color);
}

.generator-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px var(--glow-color);
}

.generator-btn svg {
    width: 24px;
    height: 24px;
    stroke: var(--card-background);
}

@media (max-width: 480px) {
    .card {
        padding: 2rem;
    }

    .lotto-numbers {
        gap: 0.5rem;
    }

    .lotto-number {
        width: 45px;
        height: 45px;
        font-size: 1.4rem;
    }

    .generator-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}