body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
    color: #0f0;
    font-family: 'Courier New', Courier, monospace;
}

canvas {
    display: block;
}

#blocker {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

#instructions {
    text-align: center;
    cursor: pointer;
    background: rgba(0, 20, 0, 0.5);
    padding: 40px;
    border: 1px solid #0f0;
    box-shadow: 0 0 10px #0f0, inset 0 0 10px #0f0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#instructions p {
    font-size: 1.2em;
    line-height: 1.8;
    margin-top: 20px;
    text-shadow: 0 0 5px #0f0;
}

/* CRT Scanlines Effect */
body::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 2;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}

/* Glitch text effect */
.glitch {
    position: relative;
    font-size: 3em;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 10px #fff;
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 red;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 blue;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(98px, 9999px, 83px, 0);
    }
    5% {
        clip: rect(54px, 9999px, 50px, 0);
    }
    10% {
        clip: rect(27px, 9999px, 82px, 0);
    }
    15% {
        clip: rect(81px, 9999px, 7px, 0);
    }
    20% {
        clip: rect(82px, 9999px, 67px, 0);
    }
    25% {
        clip: rect(10px, 9999px, 12px, 0);
    }
    30% {
        clip: rect(57px, 9999px, 48px, 0);
    }
    35% {
        clip: rect(75px, 9999px, 57px, 0);
    }
    40% {
        clip: rect(89px, 9999px, 11px, 0);
    }
    45% {
        clip: rect(11px, 9999px, 16px, 0);
    }
    50% {
        clip: rect(21px, 9999px, 4px, 0);
    }
    55% {
        clip: rect(25px, 9999px, 9px, 0);
    }
    60% {
        clip: rect(83px, 9999px, 22px, 0);
    }
    65% {
        clip: rect(44px, 9999px, 17px, 0);
    }
    70% {
        clip: rect(14px, 9999px, 87px, 0);
    }
    75% {
        clip: rect(66px, 9999px, 58px, 0);
    }
    80% {
        clip: rect(61px, 9999px, 78px, 0);
    }
    85% {
        clip: rect(38px, 9999px, 7px, 0);
    }
    90% {
        clip: rect(78px, 9999px, 3px, 0);
    }
    95% {
        clip: rect(65px, 9999px, 67px, 0);
    }
    100% {
        clip: rect(4px, 9999px, 51px, 0);
    }
}

@keyframes glitch-anim2 {
    0% {
        clip: rect(65px, 9999px, 100px, 0);
    }
    5% {
        clip: rect(52px, 9999px, 74px, 0);
    }
    10% {
        clip: rect(79px, 9999px, 85px, 0);
    }
    15% {
        clip: rect(75px, 9999px, 5px, 0);
    }
    20% {
        clip: rect(67px, 9999px, 61px, 0);
    }
    25% {
        clip: rect(14px, 9999px, 79px, 0);
    }
    30% {
        clip: rect(1px, 9999px, 66px, 0);
    }
    35% {
        clip: rect(86px, 9999px, 30px, 0);
    }
    40% {
        clip: rect(23px, 9999px, 98px, 0);
    }
    45% {
        clip: rect(85px, 9999px, 72px, 0);
    }
    50% {
        clip: rect(71px, 9999px, 75px, 0);
    }
    55% {
        clip: rect(2px, 9999px, 48px, 0);
    }
    60% {
        clip: rect(30px, 9999px, 16px, 0);
    }
    65% {
        clip: rect(59px, 9999px, 50px, 0);
    }
    70% {
        clip: rect(41px, 9999px, 62px, 0);
    }
    75% {
        clip: rect(2px, 9999px, 82px, 0);
    }
    80% {
        clip: rect(47px, 9999px, 73px, 0);
    }
    85% {
        clip: rect(3px, 9999px, 27px, 0);
    }
    90% {
        clip: rect(26px, 9999px, 55px, 0);
    }
    95% {
        clip: rect(42px, 9999px, 97px, 0);
    }
    100% {
        clip: rect(38px, 9999px, 49px, 0);
    }
}