/* Dark background and lighter text for comfortable reading */
body {
    /*background-color: #2b2b2b;*/ /* Dark gray background */
    background-color: #1b1b1b;
    color: #e0e0e0;          /* Light text color */
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    margin: auto;
    padding: 15px;
    max-width: 850px;
}

.fun-fact { background: #ffe0b2; padding: 10px; border-left: 5px solid darkorange; margin: 15px 0; color: black;}

 .new-letter { color: #d2691e; font-weight: bold; }
 .timeline { text-align: center; margin-top: 20px; font-size: 1em; }

.diagram { text-align: center; margin-top: 20px; font-size: 1.2em; }
.arrow { margin: 0 10px; font-weight: bold; }

/* Make headings stand out */
h1, h2, h3, h4 {
    color: #ffa500;
}

/*project title */
#div1{
    border: 10px solid #555;
    border-radius: 10px;
    /*
    padding: 5px;
    margin: 5px;
    width: 50%;
    */
}

/* Table styling for the truth table and grading table */
table {
    width:60%; 
    border: 1px solid #555;
    margin: 0 auto;
}
th, td {
    border: 1px solid #555;
}
th {
    background-color: #444444;
}
td {
    background-color: #3a3a3a;
}

/* Emphasize certain colors (traffic light logic) */
.blue-text { color: #00adff; }
.red-text  { color: #ff4d4d; }
.green-text { color: #36c36c; }
.navy-text { color: #7eb7ff; }

/* Links */
a {
    color: #45a1ff;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* 'Go to Top' Button */
#goTopBtn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 30px;
    text-decoration: none;
    color: #ffa500;
    cursor: pointer;
    background-color: rgba(255, 165, 0, 0.1);
    padding: 5px 10px;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}
#goTopBtn:hover {
    background-color: #ffa500;
    color: white;
}

/* Center the final “Congratulations” section */
.centered {
    text-align: center;
}


/* nagivation bar section */
/*
div ul {
	list-style-type: none;
	margin: 0;
	padding: 0;
	overflow: hidden;
	background-color: #2b2b2b;
	border-radius: 10px;
	border: 1px solid #ffa500;
	position: fixed;
	top: 0px;
	width: 98%;
}

div li {
  	 float: left;
	 border-right: 1px solid #ffa500;
}

div li a {
	display: block;
	color: #ffa500;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
}

div li a:hover {
	background-color: rgba(120, 120, 119, 0.5);
	background-color: #ffa500;
	color: white;
}
*/