#tetris-launcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999999;
    background: #000;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 8px;
    padding: 10px 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.2s, background 0.2s;
}

#tetris-launcher:hover {
    transform: translateY(-2px);
    background: #333;
}

.tetris-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tetris-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(5px);
}

.tetris-modal-content {
    position: relative;
    background: #111;
    border: 4px solid #333;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
    color: #fff;
    text-align: center;
    max-width: 90vw;
    max-height: 90vh;
}

.tetris-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #888;
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.tetris-close:hover {
    color: #fff;
}

#tetris-canvas {
    background: #000;
    border: 2px solid #444;
    display: block;
    margin: 20px auto;
}

.tetris-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 1.2rem;
    font-family: monospace;
    margin-bottom: 10px;
}

.tetris-controls-hint {
    font-size: 0.85rem;
    color: #888;
    margin-top: 15px;
}