body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;

    /* 🔥 Vibrant animated gradient background */
    background: linear-gradient(135deg, #ff3e6c 0%, #ff8a3d 50%, #ff0059 100%);
    background-size: 300% 300%;
    animation: bgMove 8s ease infinite;
}

@keyframes bgMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.container {
    background: #ffffff;
    /* ✔ PURE WHITE BOX */
    padding: 40px;
    border-radius: 20px;

    /* Soft shadow glow */
    box-shadow: 0 8px 25px rgba(255, 60, 100, 0.35);

    text-align: center;
    max-width: 400px;
}

h1 {
    color: #ff3e6c;
    margin-bottom: 20px;
}

p {
    color: #444;
    margin-bottom: 20px;
}

button {
    /* Gradient button */
    background: linear-gradient(135deg, #ff3e6c 0%, #ff8a3d 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 30px;
    cursor: pointer;

    box-shadow: 0 0 12px rgba(255, 80, 120, 0.6);

    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

button:hover {
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(255, 120, 160, 0.9);
}

#result {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
    min-height: 30px;
}