/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', Courier, monospace;
}

/* Body Styling */
body {
    background-color: #000;
    color: #fff;
    font-size: 16px;
    line-height: 1.5;
    padding: 20px;
    text-align: center;
}

/* Title Styling */
h1 {
    font-size: 3rem;
    text-transform: uppercase;
    margin-bottom: 30px;
    letter-spacing: 5px;
    color: #e6e6e6;
}

/* Paragraph Styling */
p {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: #bbb;
}

/* Form Styling */
form {
    margin-top: 30px;
}

input[type="text"] {
    padding: 10px;
    font-size: 1rem;
    width: 80%;
    max-width: 400px;
    border: 2px solid #666;
    background-color: #333;
    color: #fff;
    margin-bottom: 20px;
    text-align: center;
    transition: background-color 0.3s ease;
}

input[type="text"]:focus {
    background-color: #444;
    outline: none;
    border-color: #999;
}

/* Button Styling */
button {
    padding: 10px 20px;
    font-size: 1rem;
    background-color: #666;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #444;
}

/* Error Message Styling */
p[style*="color:red"] {
    color: red;
    font-weight: bold;
    margin-top: 10px;
}

/* Hint Message Styling */
div {
    margin-top: 30px;
    font-size: 1rem;
    color: #bbb;
}

div strong {
    color: #f39c12;
}

div p {
    font-size: 1rem;
    color: #ccc;
}

/* Hidden Puzzle Styling */
h1::after {
    content: '!';
    font-size: 4rem;
    color: transparent;
    text-shadow: 0 0 5px #fff;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #f39c12;
    }
    50% {
        text-shadow: 0 0 20px #f39c12, 0 0 30px #fff, 0 0 40px #f39c12;
    }
    100% {
        text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #f39c12;
    }
}

/* Show hidden text when all elements are selected */
::selection {
    background-color: #f39c12;
    color: #fff;
}

.hidden-text {
    display: none;
    font-size: 1rem;
    color: #999;
    margin-top: 20px;
}

::selection + .hidden-text {
    display: block;
}