/**
 * Choose90 Star Field Styles
 * Reusable star field animation styles
 */

.star-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2d1b3d 100%);
}

.star-field-star {
    position: absolute;
    border-radius: 50%;
    opacity: 0.8;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    will-change: transform, opacity;
}

.star-field-star.sparkle {
    animation: sparkle 2s infinite;
}

@keyframes sparkle {
    0%, 100% { 
        transform: scale(1); 
        opacity: 1; 
    }
    50% { 
        transform: scale(1.5); 
        opacity: 0.7; 
    }
}

/* Alternative backgrounds */
.star-field.gradient-blue {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2d1b3d 100%);
}

.star-field.gradient-purple {
    background: linear-gradient(135deg, #1a0a2e 0%, #16213e 50%, #0f3460 100%);
}

.star-field.gradient-dark {
    background: linear-gradient(135deg, #000000 0%, #1a1a2e 50%, #16213e 100%);
}

/* Light mode variant */
.star-field.light {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.star-field.light .star-field-star {
    background: #0066CC;
    box-shadow: 0 0 6px rgba(0, 102, 204, 0.6);
}