body {
margin: 0;
font-family: Arial, sans-serif;
background-color: #ececec;
}

body {
background-color: #c0c0c0; 
  min-height: 100vh;
}
header {
background-color: #3b7ca5;
color: white;
text-align: center;
padding: 1rem;
}
header h1 {
margin: 0;
font-size: 2rem;
}
header p {
margin: 0.5rem 0 0;
font-style: italic;
}
.subheader {
background-color: #f4d35e;
text-align: center;
padding: 0.5rem;
font-weight: bold;
}
.subheader {
color:black;
}

.container {
display: flex;
justify-content: center;
padding: 1rem;
box-sizing: border-box;
}
.side-left, .side-right {
max-width: 300px;
width: 100%;
background-color: #3b7ca5;
color:white;
padding: 1rem;
box-sizing: border-box;
border: 2px solid #000000;
}

.side-left, .side-right {
    align-self: flex-start;
}

.main {
max-width: 800px;
width: 100%;
background-color: white;
padding: 1rem;
box-sizing: border-box;
margin: 0 1rem;
border: 1px solid #ccc;
}
.main h2 {
margin-top: 0;
}
.nav-panels {
display: flex;
flex-wrap: wrap;
gap: 10px;
padding: 1em;
background-color: #3b7ca5;
}
.nav-button {
display: inline-block;
padding: 0.75em 1.25em;
background-color: #ececec;
color: black;
text-decoration: none;
border-radius: 6px;
font-weight: bold;
box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
transition: background-color 0.3s ease;
}

.nav-button:hover {
background-color: #ffffff;
}
table {
width: 100%;
border-collapse: collapse;
margin-bottom: 10px;
}

table, th, td {
border: 1px solid #ccc;
}

th {
background-color: #ffffff; 
padding: 8px;
text-align: left;
color: #222;
}

td {
padding: 6px;
background-color: #ffffff;
}
footer {
background-color: #f4d35e;
color: black;
text-align: center;
padding: 1rem;
margin-top: 2rem;
}
.literal {
text-align: center;
font-style: italic;
margin-top: 0.5rem;
color: black;
}
/* 📱 Responsive layout for mobile devices */
/* for html container, sidebar, main, sidebar*/
@media (max-width: 768px) {
.container {
flex-direction: column;
align-items: stretch;
}

.side-left,
.main,
.side-right {
margin: 0 0 1rem 0;
}

.main {
margin: 0;
}

.nav-panels div {
flex: 1 1 100%;
}

img {
max-width: 100%;
height: auto;
}
}
table {
border-collapse: collapse;
border: 2px solid #444; /* Darker, thicker border */
}

td, th {
border: 1px solid #444; /* Cell borders */
padding: 6px;
}