/* ==============================================
   AEROFIELD — COSMIC RAYS
   Full-viewport canvas overlay for cosmic ray
   streaks. Active only while tab is visible.
   ============================================== */

.cosmic-rays-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    width: 100%;
    height: 100%;
}