body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(to bottom, #0d1b2a, #1b263b);
    color: #f0f0f0;
    font-family: 'Segoe UI', sans-serif;
    text-align: center;
    cursor: pointer;
    overflow: hidden;
}

#enterScreen {
    padding: 20px 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid #f0f0f0;
    border-radius: 12px;
    font-size: 2em;
    transition: all 0.5s ease;
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
}

#enterScreen:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(255,255,255,0.4);
}

#enterScreen.hide {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

#countdown {
    font-size: 2em;
    opacity: 0;
    transition: opacity 1s ease;
}

#countdown.show {
    opacity: 1;
}