body {
    font-family: monospace;
    margin: 0;
    padding: 0;
    background-color: #fef6e4; /* beige */
    color: #001858; /* blue */
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px;
}

main > header {
    text-align: center;
    margin-bottom: 1em;
}

main > section {
    margin: 1em;
    padding: 14px 20px;
    border: 1px solid #001858;
    border-radius: 5px;
    background-color: #f3d2c1; /* orange */
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    width: 80%;
    max-width: 800px;
}

main > div {
    width: 80%;
    max-width: 800px;
}

main > div > article {
    border: 1px solid #001858;
    padding: 14px 20px;
    margin-bottom: 1em;
    background-color: #fef6e4;
    border-radius: 5px;
    box-shadow: inset 0px 8px 16px 0px rgba(0,0,0,0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

main > div > article:hover {
    transform: translateY(-2px);
    box-shadow: 0px 4px 12px 0px rgba(0,0,0,0.15);
}

article > header {
    border-bottom: 1px solid #001858;
    background-color: #001858;
    color: #fef6e4;
    padding: 0.5em;
    margin: -14px -20px 1em -20px;
    border-radius: 5px 5px 0 0;
    box-shadow: 0px 4px 8px 0px rgba(0,0,0,0.2);
}

ul.topnav {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #001858;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    box-shadow: 0 0.7em 1.2em 0 rgba(0,0,0,0.2);
}

ul.topnav li {
    float: left;
}

ul.topnav li a {
    display: block;
    color: #fef6e4;
    text-align: center;
    padding: 1.2em 1.3em;
    text-decoration: none;
    font-family: monospace;
    font-size: 1em;
}

ul.topnav li a:hover:not(.active) {
    background-color: #8bd3dd; /* cyan */
}

ul.topnav li a.active {
    background-color: #f582ae; /* pink */
}

div.topnav {
    height: 3em;
}

div.banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #001858;
    padding: 10px;
    text-align: center;
}

div.banner p {
    color: #fef6e4;
    margin: 0;
}

div.banner a {
    color: #8bd3dd;
}

form {
    display: flex;
    flex-direction: column;
}

input, textarea, select {
    margin: 8px 0;
    padding: 14px 20px;
    border: 1px solid #001858;
    border-radius: 4px;
    background-color: #fef6e4;
    color: #001858;
    font-family: monospace;
    box-sizing: border-box;
    box-shadow: inset 0px 8px 16px 0px rgba(0,0,0,0.2);
}

input[type="submit"] {
    background-color: #001858;
    color: #fef6e4;
    border: none;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #8bd3dd;
}

button {
    margin: 8px 0;
    padding: 14px 20px;
    border: none;
    border-radius: 4px;
    background-color: #001858;
    color: #fef6e4;
    cursor: pointer;
    font-family: monospace;
    width: 100%;
}

button:hover {
    background-color: #8bd3dd;
}

img {
    max-width: 100%;
    object-fit: contain;
}

h1, h2, h3, h4, h5, h6 {
    font-family: monospace;
    color: #001858;
}

p, a, li {
    font-family: monospace;
    color: #001858;
}

/* Enhanced styles for boards */
ul.board-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

li.board-item {
    margin-bottom: 1em;
    padding: 1em;
    background-color: #fef6e4;
    border: 1px solid #001858;
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

li.board-item:hover {
    transform: translateY(-3px);
    box-shadow: 0px 6px 14px 0px rgba(0,0,0,0.15);
}

li.board-item a {
    color: #001858;
    font-weight: bold;
    text-decoration: none;
    font-size: 1.2em;
}

li.board-item a:hover {
    color: #f582ae;
    text-decoration: underline;
}

p.board-desc {
    margin: 0.5em 0 0 0;
    color: #001858;
    font-size: 0.9em;
}

/* Enhanced styles for thread posts */
.thread-posts {
    width: 80%;
    max-width: 800px;
}

.post-item {
    background-color: #fef6e4;
    border: 1px solid #001858;
    border-radius: 8px;
    margin-bottom: 1.5em;
    padding: 1em;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-item:hover {
    transform: translateY(-3px);
    box-shadow: 0px 6px 14px 0px rgba(0,0,0,0.15);
}

.post-item header {
    background-color: #001858;
    color: #fef6e4;
    padding: 0.5em;
    margin: -1em -1em 1em -1em;
    border-radius: 6px 6px 0 0;
    border-bottom: 1px solid #001858;
}

.post-item header h3 {
    margin: 0;
    font-size: 1.1em;
}

.post-item header p {
    margin: 0.3em 0 0 0;
    font-size: 0.85em;
    opacity: 0.9;
}

.post-content {
    margin: 0;
    padding: 0.5em;
    line-height: 1.5;
    font-size: 0.95em;
}

.post-actions {
    margin-top: 0.8em;
    display: flex;
    gap: 0.5em;
    align-items: center;
}

.post-actions a {
    color: #001858;
    text-decoration: none;
    font-size: 0.9em;
    padding: 0.3em 0.6em;
    border: 1px solid #001858;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.post-actions a:hover {
    background-color: #8bd3dd;
    color: #fef6e4;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #333;
        color: #fef6e4;
    }
    main > section {
        background-color: #555;
        border-color: #fef6e4;
    }
    main > div > article {
        background-color: #444;
        border-color: #fef6e4;
    }
    article > header {
        background-color: #222;
        border-color: #fef6e4;
    }
    input, textarea, select {
        background-color: #444;
        color: #fef6e4;
        border-color: #fef6e4;
    }
    input[type="submit"], button {
        background-color: #fef6e4;
        color: #001858;
    }
    input[type="submit"]:hover, button:hover {
        background-color: #8bd3dd;
    }
    li.board-item {
        background-color: #444;
        border-color: #fef6e4;
    }
    li.board-item a {
        color: #fef6e4;
    }
    li.board-item a:hover {
        color: #f582ae;
    }
    p.board-desc {
        color: #fef6e4;
    }
    .post-item {
        background-color: #444;
        border-color: #fef6e4;
    }
    .post-content {
        color: #fef6e4;
    }
    .post-actions a {
        color: #fef6e4;
        border-color: #fef6e4;
    }
    .post-actions a:hover {
        background-color: #8bd3dd;
        color: #001858;
    }
    h1, h2, h3, h4, h5, h6 {
        color: #fef6e4;
    }
    p, a, li {
        color: #fef6e4;
    }
}

@media (max-width: 600px) {
    ul.topnav li {
        float: none;
        width: 100%;
    }
    main {
        padding: 10px;
    }
    main > section {
        margin: 0.5em;
        padding: 0.5em;
        width: 95%;
    }
    main > div {
        width: 95%;
    }
    .thread-posts {
        width: 95%;
    }
}