/* Loader Overlay Container */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* 3D Isometric Loader Base CSS */
.loader {
    --size: 32px;
    --duration: 800ms;
    --gap: 10px;
    width: calc(var(--size) * 3 + var(--gap) * 2);
    height: calc(var(--size) * 3 + var(--gap) * 2);
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(60deg) rotateZ(45deg);
}

.loader .box {
    width: var(--size);
    height: var(--size);
    position: absolute;
    transform-style: preserve-3d;
}

/* Box Positions */
.loader .box0 { top: 0; left: 0; animation: box-move0 var(--duration) infinite alternate ease-in-out; }
.loader .box1 { top: 0; left: calc(var(--size) + var(--gap)); animation: box-move1 var(--duration) infinite alternate ease-in-out; }
.loader .box2 { top: 0; left: calc((var(--size) + var(--gap)) * 2); animation: box-move2 var(--duration) infinite alternate ease-in-out; }
.loader .box3 { top: calc(var(--size) + var(--gap)); left: 0; animation: box-move3 var(--duration) infinite alternate ease-in-out; }
.loader .box4 { top: calc(var(--size) + var(--gap)); left: calc((var(--size) + var(--gap)) * 2); animation: box-move4 var(--duration) infinite alternate ease-in-out; }
.loader .box5 { top: calc((var(--size) + var(--gap)) * 2); left: 0; animation: box-move5 var(--duration) infinite alternate ease-in-out; }
.loader .box6 { top: calc((var(--size) + var(--gap)) * 2); left: calc(var(--size) + var(--gap)); animation: box-move6 var(--duration) infinite alternate ease-in-out; }
.loader .box7 { top: calc((var(--size) + var(--gap)) * 2); left: calc((var(--size) + var(--gap)) * 2); animation: box-move7 var(--duration) infinite alternate ease-in-out; }

/* Box Faces */
.loader .box > div {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #EAB308; /* Golden Yellow */
    box-shadow: inset 0 0 0 2px rgba(0,0,0,0.2);
    transform: translateZ(var(--size));
    animation: box-scale0 var(--duration) infinite alternate ease-in-out;
}

.loader .box > div::before,
.loader .box > div::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #CA8A04; /* Darker Gold for 3D effect */
}

.loader .box > div::before {
    transform-origin: top;
    transform: rotateX(-90deg);
    top: 0; left: 0;
}

.loader .box > div::after {
    transform-origin: left;
    transform: rotateY(-90deg);
    top: 0; left: 0;
    background: #A16207; /* Even darker Gold */
}

/* Ground shadow */
.loader .ground {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(234, 179, 8, 0.1);
    box-shadow: 0 0 20px 10px rgba(234, 179, 8, 0.2);
    transform: translateZ(-10px);
    border-radius: 5px;
    animation: ground var(--duration) infinite alternate ease-in-out;
}

/* Base keyframes adapted for the isometric view */
@keyframes box-move0 { 0% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move1 { 10% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move2 { 20% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move3 { 30% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move4 { 40% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move5 { 50% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move6 { 60% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }
@keyframes box-move7 { 70% { transform: translateZ(0); } 100% { transform: translateZ(20px); } }

@keyframes box-scale0 { 0% { transform: scale(0.8) translateZ(var(--size)); } 100% { transform: scale(1) translateZ(var(--size)); } }
@keyframes ground { 0% { opacity: 0.5; transform: scale(0.9) translateZ(-10px); } 100% { opacity: 1; transform: scale(1.1) translateZ(-10px); } }