:root {
    --neon-blue: #00f3ff;
    --neon-pink: #ff00ff;
    --neon-red: #ff0033;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-color: #ffffff;
    --bg-color: #050505;
    --font-heading: 'Orbitron', sans-serif; /* Hypothetical font import */
    --font-body: 'Rajdhani', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    overflow: hidden; /* Immersive */
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #111, #000);
}

.background-grid {
    position: absolute;
    width: 200vw;
    height: 200vh;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px); }
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: 0.5s;
    pointer-events: none;
}

.glass-panel:hover::before {
    left: 100%;
    transition: 0.5s;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--neon-blue);
    margin-bottom: 1rem;
}

.btn-main {
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    z-index: 100; /* Ensure clickable */
}

.btn-main:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 20px var(--neon-blue);
}

.hidden {
    display: none !important;
}

/* Glitch Effect Utility */
.glitch {
    position: relative;
    color: white;
}
.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--neon-red);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}
.glitch::after {
    left: -2px;
    text-shadow: -1px 0 var(--neon-blue);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(31px, 9999px, 94px, 0); }
    5% { clip: rect(70px, 9999px, 11px, 0); }
    10% { clip: rect(27px, 9999px, 98px, 0); }
    100% { clip: rect(61px, 9999px, 5px, 0); }
}
@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 92px, 0); }
    5% { clip: rect(21px, 9999px, 4px, 0); }
    10% { clip: rect(2px, 9999px, 78px, 0); }
    100% { clip: rect(89px, 9999px, 13px, 0); }
}

/* Lockout Screen */
#lockout-screen {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: #000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: var(--neon-red);
    text-align: center;
}

#lockout-screen h1 {
    font-size: 4rem;
    text-shadow: 0 0 20px var(--neon-red);
}

#lockout-screen p {
    font-size: 1.5rem;
    margin-top: 2rem;
    font-family: monospace;
}