@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;700&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
    --bg-body: #050505;
    --bg-sidebar: rgba(5, 5, 5, 0.8);
    --border-color: #13aff0;
    --text-main: #80ff80;
    --text-heading: #13aff0;
    --accent-green: #0f0;
    --accent-dim: rgba(0, 255, 0, 0.1);
    --code-bg: #000;

    /* Hacker Specific */
    --neon-blue: #13aff0;
    --neon-orange: #FF6B00;
    --neon-purple: #bd00ff;
}

/* --- THE 3D GRID --- */
body::before {
    content: "";
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) perspective(600px) rotateX(60deg);
    width: 300vw;
    height: 300vh;
    background-image:
        linear-gradient(rgba(0, 243, 255, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.5) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-scroll 11s linear infinite;
    z-index: -1;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 80%);
    mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 80%);
}

@keyframes grid-scroll {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 0 60px;
    }
}

/* --- TRANSPARENCY OVERRIDES --- */
#scroll-container,
main,
.bg-hack-bg,
.bg-hack-sidebar,
#markdown-viewer {
    background-color: transparent !important;
}

/* Sidebar needs some background for readability but should be semi-transparent */
#sidebar,
#mobile-toc-sidebar {
    background-color: rgba(5, 5, 5, 0.85) !important;
    backdrop-filter: blur(8px);
    border-right: 1px solid var(--neon-blue);
}

/* Content area readability - using a very subtle overlay if needed, but keeping it transparent as requested */
#markdown-viewer {
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(19, 175, 240, 0.1);
}

/* --- SCANLINES --- */
body::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.15) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    z-index: 9999;
    background-size: 100% 3px, 3px 100%;
    pointer-events: none;
    opacity: 0.6;
}

/* --- TYPOGRAPHY --- */
body {
    font-family: 'JetBrains Mono', monospace !important;
    background-color: #050505 !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Cinzel', serif !important;
    text-transform: uppercase;
    text-shadow: 0 0 10px var(--neon-blue);
}

.markdown-body h1 {
    color: var(--neon-blue) !important;
    border-bottom-color: var(--neon-blue) !important;
}

.markdown-body h2 {
    color: var(--neon-orange) !important;
    text-shadow: 0 0 10px var(--neon-orange);
}

.markdown-body h3 {
    color: var(--neon-purple) !important;
    text-shadow: 0 0 10px var(--neon-purple);
}

.markdown-body strong {
    color: #fff !important;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.markdown-body a {
    color: var(--neon-purple) !important;
    border-bottom: 1px dashed var(--neon-purple);
}

.markdown-body a:hover {
    color: #fff !important;
    text-shadow: 0 0 5px var(--neon-purple);
    border-bottom-style: solid;
}

/* --- UI OVERRIDES --- */
.nav-link.active {
    background-color: rgba(19, 175, 240, 0.2) !important;
    border-left-color: var(--neon-blue) !important;
    color: var(--neon-blue) !important;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-blue), #000) !important;
    border: 1px solid var(--neon-blue);
}