body {
    background: linear-gradient(135deg, #fedcca, #9bf6ff);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 400px;
    border: 3px solid #ffadad;
}

h1 {
    color: #ff165d;
    margin-bottom: 10px;
}

p {
    color: #4a4a4a;
    font-size: 18px;
    line-height: 1.5;
}

button {
    background-color: #ff165d;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover {
    transform: scale(1.1);
}

.hidden {
    display: none;
}

.show {
    display: block;
    color: #3a86ff;
    font-weight: bold;
    font-size: 20px;
    margin-top: 15px;
    animation: pop 0.5s ease-in-out;
}

@keyframes pop {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}