/*
 * ============================================================================
 * GLOBAL STYLING & CLEAN PRESENTATION
 * ==========================================
 * Minimalist, text-free, zero-scroll interface.
 * The background uses a sophisticated, deep, warm radial gradient 
 * to emulate high-end cinematic studio lighting that perfectly 
 * contrasts with the Claude Orange (#D97757).
 * NO text, NO scrollbars, purely visual.
 * ============================================================================
 */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    /* Deep studio backdrop */
    background-color: #0d0a09;
    background: radial-gradient(circle at center, #261c18 0%, #080605 100%);
    overflow: hidden;

    /* Disable all user interactions as requested ("nicht steuerbar") */
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    cursor: default;
}

/* The WebGL Canvas container must have no outline */
#webgl-canvas {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    outline: none;
    z-index: 1;
}

/* 
 * ============================================================================
 * ABSTRACT PIXEL LOADING OVERLAY (NO TEXT)
 * ==========================================
 * Keeps the UI completely clean. A geometric 3D bouncing pixel block 
 * signals the loading state while the heavy 3D voxel math is processed.
 * ============================================================================
 */
#preloader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #080605;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 1.5s;
}

.pixel-spinner {
    width: 24px;
    height: 24px;
    background-color: #D97757;
    /* Claude Orange */
    animation: flip-bounce 1.5s infinite cubic-bezier(0.4, 0.0, 0.2, 1);
    box-shadow: 0 0 30px rgba(217, 119, 87, 0.5);
}

@keyframes flip-bounce {
    0% {
        transform: perspective(200px) rotateX(0deg) rotateY(0deg) scale(1);
    }

    50% {
        transform: perspective(200px) rotateX(-180deg) rotateY(0deg) scale(1.2);
        background-color: #FFB39A;
    }

    100% {
        transform: perspective(200px) rotateX(-180deg) rotateY(-180deg) scale(1);
    }
}