/* Tactical Console Effects: Grid and Scanlines */

.tactical-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(141, 163, 93, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(141, 163, 93, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    background-position: center center;
    pointer-events: none;
    z-index: -1;
}

.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.1) 50%
    );
    background-size: 100% 4px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.15;
}

.scanline::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(
        to bottom,
        rgba(141, 163, 93, 0) 0%,
        rgba(141, 163, 93, 0.1) 50%,
        rgba(141, 163, 93, 0) 100%
    );
    animation: scanlineMove 8s linear infinite;
}

@keyframes scanlineMove {
    0% { transform: translateY(-100px); }
    100% { transform: translateY(100vh); }
}

.flicker {
    animation: flicker 0.15s infinite;
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 16, 16, 0.02);
    z-index: 9998;
}

@keyframes flicker {
    0% { opacity: 0.1; }
    5% { opacity: 0.2; }
    10% { opacity: 0.1; }
    15% { opacity: 0.3; }
    20% { opacity: 0.1; }
    25% { opacity: 0.2; }
    30% { opacity: 0.1; }
    35% { opacity: 0.1; }
    40% { opacity: 0.1; }
    45% { opacity: 0.2; }
    50% { opacity: 0.1; }
    55% { opacity: 0.1; }
    60% { opacity: 0.2; }
    65% { opacity: 0.1; }
    70% { opacity: 0.1; }
    75% { opacity: 0.1; }
    80% { opacity: 0.2; }
    85% { opacity: 0.1; }
    90% { opacity: 0.2; }
    95% { opacity: 0.1; }
    100% { opacity: 0.1; }
}