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

:root {
    --background-color: #f0f2f5;
    --container-background: #ffffff;
    --primary-color: #4f46e5;
    --text-color: #333333;
    --number-background: #e0e7ff;
    --number-color: #4338ca;
}

body {
    font-family: 'Poppins', sans-serif;
    background-image: linear-gradient(to top, #a18cd1 0%, #fbc2eb 100%);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: var(--container-background);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.15);
    text-align: center;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 600;
}

.numbers {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.number {
    background-color: var(--number-background);
    color: var(--number-color);
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 600;
    animation: pop-in 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55) forwards;
    transform: scale(0);
}

@keyframes pop-in {
    to {
        transform: scale(1);
    }
}

#generate {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

#generate:hover {
    background-color: #4338ca;
    transform: translateY(-2px);
}