/* General body and layout */
body {
    background-color: #1a1a1a; /* Dark background */
    color: #00ff00; /* Hacker green text */
    font-family: 'Courier New', Courier, monospace; /* Monospaced font for hacker feel */
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Header section */
header {
    text-align: center;
    padding: 20px;
    background: linear-gradient(90deg, #00ff00, #00d4ff); /* Hacker green to azure blue gradient */
    color: black;
    font-size: 36px;
    font-weight: bold;
    text-shadow: 0 0 10px #00ff00; /* Glowing effect */
}

/* Content container */
.content {
    padding: 20px;
    max-width: 900px;
    margin: auto;
    border: 5px solid #00ff00; /* Green border for content */
    border-radius: 10px;
    background-color: #333; /* Dark gray background */
    text-align: center;
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.6); /* Glowing green shadow */
}

/* Info sections with hacker style */
.info {
    border: 3px solid #444; /* Slightly lighter gray border */
    background-color: #222; /* Darker gray background */
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Links with hacker colors */
a {
    color: #00d4ff; /* Azure blue links */
    text-decoration: none;
    font-weight: bold;
    text-shadow: 0 0 5px #00d4ff;
}

a:hover {
    color: #ff00ff; /* Purple on hover */
    text-shadow: 0 0 10px #ff00ff;
}

/* Code blocks (for script display) */
pre {
    background-color: #1e1e1e; /* Dark gray background for code */
    color: #00ff00; /* Hacker green text */
    padding: 15px;
    border-radius: 5px;
    font-family: "Courier New", Courier, monospace;
    overflow-x: auto;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.4); /* Glowing green effect */
}

/* Footer */
footer {
    text-align: center;
    padding: 10px;
    background-color: #222; /* Dark gray */
    font-size: 14px;
    color: #aaa;
    border-top: 2px solid #444;
}

/* Button Styling */
button {
    background-color: #00ff00; /* Hacker green */
    color: black;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.2em;
    cursor: pointer;
    margin-top: 10px;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.6); /* Green glow */
}

button:hover {
    background-color: #007700;
}

/* Hacker Text Animation (side columns) */
.hacker-column {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 300px; /* Wider for more text */
    background-color: #000; /* Black background */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.hacker-column.left {
    left: 0;
}

.hacker-column.right {
    right: 0;
    transform: rotateY(180deg); /* Flip right column */
}

/* Hacker text */
.hacker-text {
    color: #00ff00; /* Hacker green */
    font-family: "Courier New", Courier, monospace;
    font-size: 1.2em; 
    white-space: nowrap;
    margin: 0;
    padding: 0;
    animation: moveUp 5s infinite linear;
}

/* Animating the hacker text */
@keyframes moveUp {
    0% {
        transform: translateY(100%);
    }
    50% {
        transform: translateY(0%);
    }
    100% {
        transform: translateY(-100%);
    }
}

/* Table for instructions */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #444;
    color: #fff;
}

th {
    background-color: #444; /* Darker gray header */
}

/* Intro Screen */
.intro {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 1); /* Černé neprůhledné pozadí */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.intro h1 {
    color: #00ff00; /* Hacker green text */
}

.intro p {
    color: #aaa; /* Light gray for description */
}

.intro button {
    background-color: #00ff00;
    color: black;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.2em;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.6); /* Green glowing button */
}

.intro button:hover {
    background-color: #007700;
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.8); /* Glowing hover effect */
}

/* Fade-out effect */
.intro.fadeOut {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-out;
}