/* Low-contrast tactical atmosphere, isolated behind the page content. */
.backdrop{overflow:hidden;pointer-events:none}
.military-fx{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.tactical-grid{position:absolute;inset:0;background-image:linear-gradient(#4bcbd80b 1px,transparent 1px),linear-gradient(90deg,#4bcbd80b 1px,transparent 1px);background-size:92px 92px;mask-image:radial-gradient(ellipse at center,transparent 22%,#000 90%);opacity:.65}
.scanlines{position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 3px,#00131724 3px 4px);opacity:.4}
.radar-sweep{position:absolute;left:0;right:0;top:-16vh;height:32vh;background:linear-gradient(180deg,transparent 0%,#04b6cb02 20%,#2ad7e414 46%,#81faff2c 50%,#2ad7e414 54%,#04b6cb02 80%,transparent 100%);animation:tactical-sweep 12s ease-in-out infinite alternate;will-change:transform}
.hangar-haze{position:absolute;inset:5% -25% -12%;background:radial-gradient(ellipse at 25% 75%,#87b4c221,transparent 38%),radial-gradient(ellipse at 70% 55%,#80bbc518,transparent 34%),radial-gradient(ellipse at 40% 35%,#98b4bb0c,transparent 28%);animation:hangar-drift 22s ease-in-out infinite alternate;will-change:transform;opacity:.85}
.effects-toggle{position:fixed;bottom:13px;right:15px;z-index:12;display:flex;gap:7px;align-items:center;min-height:36px;min-width:66px;justify-content:center;padding:7px 10px;border:1px solid #31505e;background:#061116e8;color:#98b2bd;font:12px var(--display);letter-spacing:1.5px;box-shadow:0 2px 14px #0004}
.effects-toggle span{color:var(--cyan)}
.effects-toggle:hover{border-color:var(--cyan);color:#e9f0f2}
.effects-paused .radar-sweep,.effects-paused .hangar-haze{animation-play-state:paused;opacity:0}
.effects-paused .scanlines,.effects-paused .tactical-grid{opacity:0}
@keyframes tactical-sweep{from{transform:translate3d(0,0,0)}to{transform:translate3d(0,100vh,0)}}
@keyframes hangar-drift{from{transform:translate3d(-5%,3%,0) scale(1)}to{transform:translate3d(6%,-4%,0) scale(1.08)}}
@media(max-width:600px){.tactical-grid{background-size:68px 68px}.radar-sweep{opacity:.65}.hangar-haze{opacity:.6}.effects-toggle{bottom:10px;right:10px}}
@media(prefers-reduced-motion:reduce){.radar-sweep,.hangar-haze{animation:none!important;will-change:auto}}