body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    height: 100vh;
    background: linear-gradient(135deg, #ff758c, #ff7eb3);
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    color: white;
    width: 350px;
}

h1 {
    font-size: 22px;
}

#countdown {
    font-size: 28px;
    margin: 20px 0;
    font-weight: bold;
}

button {
    padding: 10px 20px;
    border: none;
    background: white;
    color: #ff4d6d;
    border-radius: 25px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #ffe6eb;
}

#message {
    margin-top: 15px;
    font-size: 16px;
}