/* ===================================
   REDLOGS CUBE PUZZLE PRELOADER
   =================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    min-height: 100vh;
    background: linear-gradient(135deg, #0A1F44 0%, #1A3A6B 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    overflow: hidden;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.cube-container {
    display: flex;
    gap: 10px;
    perspective: 1000px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    max-width: 90vw;
}

.cube {
    width: 70px;
    height: 70px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 8s ease-in-out infinite;
}

.cube.solving {
    animation: cubeSolve 2s ease-out forwards;
}

.cube-face {
    position: absolute;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #DC143C, #FF4D6D);
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    font-family: 'Roboto', sans-serif;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

/* Cube faces positioning */
.cube-face.front {
    transform: translateZ(35px);
}

.cube-face.back {
    transform: rotateY(180deg) translateZ(35px);
}

.cube-face.right {
    transform: rotateY(90deg) translateZ(35px);
}

.cube-face.left {
    transform: rotateY(-90deg) translateZ(35px);
}

.cube-face.top {
    transform: rotateX(90deg) translateZ(35px);
}

.cube-face.bottom {
    transform: rotateX(-90deg) translateZ(35px);
}

/* Individual cube rotations - scrambled state */
.cube:nth-child(1) {
    animation: cubeRotate1 8s ease-in-out infinite;
}

.cube:nth-child(2) {
    animation: cubeRotate2 8s ease-in-out infinite;
}

.cube:nth-child(3) {
    animation: cubeRotate3 8s ease-in-out infinite;
}

.cube:nth-child(4) {
    animation: cubeRotate4 8s ease-in-out infinite;
}

.cube:nth-child(5) {
    animation: cubeRotate5 8s ease-in-out infinite;
}

.cube:nth-child(6) {
    animation: cubeRotate6 8s ease-in-out infinite;
}

.cube:nth-child(7) {
    animation: cubeRotate7 8s ease-in-out infinite;
}

/* Scrambled rotation animations */
@keyframes cubeRotate1 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(180deg) rotateY(90deg) rotateZ(45deg); }
    40% { transform: rotateX(270deg) rotateY(180deg) rotateZ(90deg); }
    60% { transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(270deg); }
}

@keyframes cubeRotate2 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(90deg) rotateY(180deg) rotateZ(90deg); }
    40% { transform: rotateX(180deg) rotateY(270deg) rotateZ(180deg); }
    60% { transform: rotateX(270deg) rotateY(90deg) rotateZ(270deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(45deg); }
}

@keyframes cubeRotate3 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(270deg) rotateY(90deg) rotateZ(135deg); }
    40% { transform: rotateX(90deg) rotateY(270deg) rotateZ(45deg); }
    60% { transform: rotateX(180deg) rotateY(180deg) rotateZ(225deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(90deg); }
}

@keyframes cubeRotate4 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(180deg) rotateY(270deg) rotateZ(180deg); }
    40% { transform: rotateX(270deg) rotateY(90deg) rotateZ(270deg); }
    60% { transform: rotateX(90deg) rotateY(180deg) rotateZ(90deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(135deg); }
}

@keyframes cubeRotate5 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(90deg) rotateY(90deg) rotateZ(270deg); }
    40% { transform: rotateX(180deg) rotateY(180deg) rotateZ(180deg); }
    60% { transform: rotateX(270deg) rotateY(270deg) rotateZ(90deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(225deg); }
}

@keyframes cubeRotate6 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(270deg) rotateY(180deg) rotateZ(90deg); }
    40% { transform: rotateX(90deg) rotateY(90deg) rotateZ(270deg); }
    60% { transform: rotateX(180deg) rotateY(270deg) rotateZ(45deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(180deg); }
}

@keyframes cubeRotate7 {
    0%, 100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    20% { transform: rotateX(180deg) rotateY(90deg) rotateZ(225deg); }
    40% { transform: rotateX(270deg) rotateY(270deg) rotateZ(135deg); }
    60% { transform: rotateX(90deg) rotateY(180deg) rotateZ(270deg); }
    80% { transform: rotateX(360deg) rotateY(360deg) rotateZ(90deg); }
}

/* Solving animation - aligns to show front face */
@keyframes cubeSolve {
    0% {
        transform: rotateX(var(--current-x, 0deg)) rotateY(var(--current-y, 0deg)) rotateZ(var(--current-z, 0deg));
    }
    100% {
        transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    }
}

/* Pulse effect when solved */
.cube.solved {
    animation: cubePulse 0.5s ease-out;
}

@keyframes cubePulse {
    0%, 100% {
        transform: scale(1) rotateX(0deg) rotateY(0deg);
    }
    50% {
        transform: scale(1.2) rotateX(0deg) rotateY(0deg);
    }
}

/* Loading text below cubes */
.loading-text {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 3px;
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    .preloader {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px;
    }
    
    .cube-container {
        gap: 8px;
        justify-content: center;
        align-items: center;
        width: 100%;
        padding: 0 10px;
    }
    
    .cube {
        width: 50px;
        height: 50px;
    }
    
    .cube-face {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .cube-face.front {
        transform: translateZ(25px);
    }
    
    .cube-face.back {
        transform: rotateY(180deg) translateZ(25px);
    }
    
    .cube-face.right {
        transform: rotateY(90deg) translateZ(25px);
    }
    
    .cube-face.left {
        transform: rotateY(-90deg) translateZ(25px);
    }
    
    .cube-face.top {
        transform: rotateX(90deg) translateZ(25px);
    }
    
    .cube-face.bottom {
        transform: rotateX(-90deg) translateZ(25px);
    }
    
    .loading-text {
        font-size: 1rem;
        bottom: 15%;
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .cube {
        width: 40px;
        height: 40px;
    }
    
    .cube-face {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .cube-face.front {
        transform: translateZ(20px);
    }
    
    .cube-face.back {
        transform: rotateY(180deg) translateZ(20px);
    }
    
    .cube-face.right {
        transform: rotateY(90deg) translateZ(20px);
    }
    
    .cube-face.left {
        transform: rotateY(-90deg) translateZ(20px);
    }
    
    .cube-face.top {
        transform: rotateX(90deg) translateZ(20px);
    }
    
    .cube-face.bottom {
        transform: rotateX(-90deg) translateZ(20px);
    }
    
    .cube-container {
        gap: 6px;
    }
}