:root {
    --bg-color: #000;
}

body.bh-bg {
    background-color: var(--bg-color);
    margin: 0;
    overflow: hidden;
    font-family: 'Space Grotesk', sans-serif;
    color: #e2e8f0;
}

.transparent-nav {
    background: transparent !important;
    border-bottom: none !important;
    position: absolute;
    width: 100%;
    z-index: 100;
    pointer-events: none;
}
.transparent-nav a {
    pointer-events: auto;
}

.gl-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: 0;
    cursor: grab;
}
.gl-canvas:active { cursor: grabbing; }

.hud-panel {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 320px;
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 12px;
    z-index: 10;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.form-range {
    height: 4px;
    appearance: none;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    outline: none;
}
.form-range::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #aaccff;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(170, 204, 255, 0.5);
}