.space-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 10;
    overflow: hidden;
    contain: strict;
}

.space-bg-glow {
    will-change: transform;
    position: absolute;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: radial-gradient(circle at 70% 30%, rgba(138, 43, 226, 0.15), transparent 60%),
                radial-gradient(circle at 20% 80%, rgba(65, 105, 225, 0.15), transparent 50%);
    pointer-events: none;
    z-index: 10;
    animation: space-nebula-pulse 10s ease-in-out infinite alternate;
}

@keyframes space-nebula-pulse {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.space-starfield {
    position: absolute;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: transparent;
    z-index: 11;
}

.space-shooting-star {
    will-change: opacity;
    position: absolute;
    width: 250px;
    height: 3px;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%);
    border-radius: 50%;
    animation: space-shoot 25s linear infinite;
    opacity: 0;
    z-index: 12;
}

@keyframes space-shoot {
    0% { transform: rotate(var(--shoot-angle)) translateX(0); opacity: 0; }
    5% { opacity: 1; }
    35% { opacity: 1; }
    40% { transform: rotate(var(--shoot-angle)) translateX(var(--shoot-distance)); opacity: 0; }
    100% { transform: rotate(var(--shoot-angle)) translateX(var(--shoot-distance)); opacity: 0; }
}

.space-symbol {
    position: absolute;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    font-size: 3rem;
    opacity: 0.85;
    z-index: 20;
}

.space-symbol img {
    will-change: transform;
    width: 6vh;
    height: auto;
    max-width: 60px;
    object-fit: contain;
    animation: space-slow-spin var(--rot-dur, 20s) linear infinite;
}

/* Specific elements scaling */
.space-planet img { width: 8vh; max-width: 80px; }
.space-astronaut img { width: 10vh; max-width: 100px; }
.space-satellite img { width: 12vh; max-width: 120px; }
.space-iss img { width: 25vh; max-width: 180px; }
.space-rocket img { width: 12vh; max-width: 120px; }

@keyframes space-drift-right {
    0% { transform: translateX(-10vw) translateY(0) scaleX(-1); }
    50% { transform: translateX(60vw) translateY(-30vh) scaleX(-1); }
    100% { transform: translateX(140vw) translateY(0) scaleX(-1); }
}

@keyframes space-drift-left {
    0% { transform: translateX(10vw) translateY(0); }
    50% { transform: translateX(-60vw) translateY(30vh); }
    100% { transform: translateX(-140vw) translateY(0); }
}

@keyframes space-slow-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes space-star-drift {
    from { transform: translateY(0); }
    to { transform: translateY(-100vh); }
}