/* Base layout */
body {
    margin: 0;
    font-family: sans-serif;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: #333;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 20px;
    font-size: 1.5em;
    z-index: 1000;
    border-bottom: 2px solid #ccc;
}

/* Sidebar using <aside> */
aside {
    position: fixed;
    top: 60px; /* below header */
    left: 0;
    width: 220px;
    height: calc(100vh - 60px);
    background-color: #f4f4f4;
    padding: 10px;
    border-right: 2px solid #ccc;
    overflow-y: auto;
    font-size: 0.9em;
}

/* Collapsible sections */
details {
    margin-bottom: 10px;
    border: 1px solid #ccc;
    padding: 5px;
    background-color: #fff;
}

summary {
    font-weight: bold;
    cursor: pointer;
    list-style: none;
}

summary:hover {
    background-color: #ddd;
}

details[open] {
    background-color: #eee;
}

/* Main content */
main {
    margin-top: 60px; /* offset for header */
    margin-left: 240px; /* offset for sidebar */
    padding: 10px;
    border: 2px solid #ccc;
    background-color: #fff;
}

/* Text styling */
p {
    text-indent: 50px;
}

t {
    font-weight: bold;
}

lt {
    text-indent: 25px;
    font-weight: bold;
    display: block;
}

/* Link styling */
a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #000;
    background-color: #ddd;
}

/* Card suit markers for special lists */
ul.club li::marker {
    content: "♣ ";
    color: black; 
}

ul.diamond li::marker {
    content: "♦ ";
    color: black;
}

ul.heart li::marker {
    content: "♥ ";
    color: black;
}

ul.spade li::marker {
    content: "♠ ";
    color: black;
}