#wptetris-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #333;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 99999;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

#wptetris-button:hover {
    transform: scale(1.1);
    background-color: #444;
}

#wptetris-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#wptetris-modal.wptetris-visible {
    visibility: visible;
    opacity: 1;
}

.wptetris-modal-content {
    background-color: #222;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    box-shadow: 0 0 25px rgba(0,0,0,0.5);
    color: #fff;
}

#wptetris-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    cursor: pointer;
    color: #888;
    transition: color 0.2s ease;
}

#wptetris-close:hover {
    color: #fff;
}

#tetris {
    border: 3px solid #444;
    background-color: #111;
    display: block;
    margin: 20px auto;
}

#score-container {
    font-size: 20px;
    font-weight: bold;
    margin-top: 15px;
}

.controls-hint {
    margin-top: 15px;
    font-size: 14px;
    color: #bbb;
}