/* 8K HD Galaxy Background Styles */
.starry-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background: #000000;
}

.star {
    position: absolute;
    border-radius: 50%;
    transition: transform 0.15s ease-out;
    pointer-events: none;
    z-index: 2;
}

.star.tiny {
    box-shadow: 0 0 1.5px rgba(255, 255, 255, 0.95),
                0 0 3px rgba(255, 255, 255, 0.4);
}

.star.small {
    box-shadow: 0 0 2px rgba(255, 255, 255, 1),
                0 0 4px rgba(255, 255, 255, 0.5);
}

.star.medium {
    box-shadow: 0 0 4px 1px rgba(255, 255, 255, 1),
                0 0 8px 2px rgba(255, 255, 255, 0.6),
                0 0 12px 3px rgba(200, 220, 255, 0.3);
}

.star.large {
    box-shadow: 0 0 6px 2px rgba(255, 255, 255, 1),
                0 0 12px 4px rgba(255, 255, 255, 0.7),
                0 0 20px 6px rgba(200, 220, 255, 0.5);
}

.star.blue {
    background: rgba(200, 220, 255, 1);
}

.star.white {
    background: rgba(255, 255, 255, 1);
}

.star.yellow {
    background: rgba(255, 245, 200, 1);
}

.star.red {
    background: rgba(255, 200, 200, 1);
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

@keyframes shooting-star {
    0% {
        transform: translateX(0) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-400px) translateY(400px);
        opacity: 0;
    }
}

.shooting-star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 12px 3px rgba(255, 255, 255, 0.9),
                0 0 24px 6px rgba(255, 255, 255, 0.5),
                0 0 36px 9px rgba(200, 220, 255, 0.3);
    animation: shooting-star 1.5s ease-out forwards;
}

.shooting-star::after {
    content: '';
    position: absolute;
    top: -75px;
    right: -75px;
    width: 150px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0.6) 80%,
        rgba(255, 255, 255, 0.9) 100%);
    transform: rotate(-45deg);
    transform-origin: right center;
    filter: blur(1px);
}