/* SQL Snake Game Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: #1E1E1E; /* var(--card-bg) */
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #2A2A2A; /* var(--border) */
    text-align: center;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.countdown-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    font-weight: bold;
    z-index: 110;
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: #B0B0B0; /* var(--text-secondary) */
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close-btn:hover {
    color: #00BFFF; /* var(--accent) */
}

#gameCanvas {
    background: #121212; /* var(--background) */
    border: 2px solid #00BFFF; /* var(--accent) */
    border-radius: 8px;
}