/* Animated Cube Background System */

.cube-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

.floating-cube {
    position: absolute;
    /* Background and border colors will be set dynamically by JavaScript */
    border: 1px solid rgba(75, 75, 75, 0.3);
    box-shadow: 
        inset 0 0 0 1px rgba(85, 85, 85, 0.2),
        0 0 10px rgba(0, 0, 0, 0.1);
    transform-style: preserve-3d;
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

/* Layer-based styling for depth effect */
.floating-cube[style*="z-index: 0"] {
    filter: blur(0.5px) brightness(0.8);
}

.floating-cube[style*="z-index: 1"] {
    filter: none;
}

.floating-cube[style*="z-index: 2"] {
    filter: brightness(1.2) contrast(1.1);
    box-shadow: 
        inset 0 0 0 1px rgba(85, 85, 85, 0.3),
        0 0 15px rgba(0, 0, 0, 0.15);
}

/* Cube size variations */
.floating-cube.size-small {
    width: 12px;
    height: 12px;
}

.floating-cube.size-medium {
    width: 20px;
    height: 20px;
}

.floating-cube.size-large {
    width: 32px;
    height: 32px;
}

.floating-cube.size-xlarge {
    width: 48px;
    height: 48px;
}

/* Rotation animations for different cube types */
.floating-cube.rotate-slow {
    animation: rotateSlow 8s linear infinite;
}

.floating-cube.rotate-medium {
    animation: rotateMedium 5s linear infinite;
}

.floating-cube.rotate-fast {
    animation: rotateFast 3s linear infinite;
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateMedium {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateFast {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Collision flash effect */
.floating-cube.collision {
    background: rgba(135, 206, 235, 0.4) !important;
    border-color: rgba(135, 206, 235, 0.6) !important;
    animation: collisionFlash 0.3s ease-out;
}

@keyframes collisionFlash {
    0% { 
        background: rgba(255, 215, 0, 0.6);
        transform: scale(1.2);
    }
    100% { 
        background: rgba(65, 65, 65, 0.25);
        transform: scale(1);
    }
}