localstyle.css

/* Import Font */
@font-face {
    font-family: 'NarcissusOpenSG';
    src: url('./Assets/narcissusopensg.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* Light Theme Variables */
:root {
    --background-color: #ffffff;
    /* Colour under footer */
    --text-color: #333;
    --header-background-color: #1a4092;
    --nav-link-text-color: #f1f1f1;
    --nav-link-text-active-color: #fff;
    --nav-link-hover-background: #244faa;
    --nav-link-text-hover-color: #f3f3f3;
    --dropdown-background-color: #ffffff;
    --dropdown-hover-background-color: #e0e0e0;
    --dropdown-text-color: #5c5c5c;
    --dropdown-text-hover-color: #6b5bff;
    --dropdown-text-active-color: #6b5bff;
    --link-color: #1a73e8;
    --link-hover-color: #145dbf;
    --hero-background-color: #e7e7e7;
    /* No clue. Using it for quotes */
    --content-background-color: #ffffff;
    --image-border-color: #000000;
    --image-hover-border-color: #ffd47d;
    --table-header-background-color: #dbdbdb;
    --table-border-color: #c0c0c0;
    --footer-background-color: #3f3f3f;
    --footer-text-color: #fff;
    --sidebar-text-color: #5c5c5c;
    --code-background-color: #e0e0e0;
    --tab-text-color: #333;
    --tab-background-color: #ffffff;
    --tab-hover-background-color: #e0e0e0;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --background-color: #424242;
    --text-color: #ffffff;
    --header-background-color: #3f3f3f;
    --nav-link-text-color: #f1f1f1;
    --nav-link-text-active-color: #fff;
    --nav-link-hover-background: #555;
    --nav-link-text-hover-color: #f3f3f3;
    --dropdown-background-color: #ffffff;
    --dropdown-hover-background-color: #e0e0e0;
    --dropdown-text-color: #5c5c5c;
    --dropdown-text-hover-color: #6b5bff;
    --dropdown-text-active-color: #8375fd;
    --link-color: #3593ff;
    --link-hover-color: #186ad6;
    --hero-background-color: #2e2e2e;
    --content-background-color: #424242;
    --image-border-color: #e9e9e9;
    --image-hover-border-color: #000000;
    --table-header-background-color: #333333;
    --table-border-color: #ffffff;
    --footer-background-color: #292929;
    --footer-text-color: #fff;
    --sidebar-text-color: #e0e0e0;
    --code-background-color: #2e2e2e;
    --tab-text-color: #ffffff;
    --tab-background-color: #414141;
    --tab-hover-background-color: #444444;
}



/* Table Toggle Link Styling */
.table-toggle {
    color: var(--link-color);
    text-decoration: none;
}

.table-toggle:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

/* Details Toggle Styling */
details > summary {
    list-style: none;
    display: inline-block; /* Prevent full-width clickable area */
    pointer-events: none; /* Make brackets non-clickable */
    user-select: none;
}

details > summary::-webkit-details-marker {
    display: none;
}

details > summary::before {
    content: "[";
}

details > summary::after {
    content: "]";
}

.details-toggle {
    color: var(--link-color);
    text-decoration: none;
    cursor: pointer;
    pointer-events: auto; /* Make ONLY the text inside clickable */
}

.details-toggle:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

.details-toggle::before {
    content: "Expand";
}

details[open] > summary .details-toggle::before {
    content: "Collapse";
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1,
h2 {
    font-weight: normal;
    font-family: 'NarcissusOpenSG', serif;
    color: var(--text-color);
    margin-bottom: -0.625rem;
    /* Space below the title */
}

h1 {
    font-size: 3.125rem;
    text-shadow: 0.125rem 0.125rem 0.3125rem rgba(0, 0, 0, 0.5);
    /* X-offset, Y-offset, blur radius, color */
}

h2 {
    font-size: 2.1875rem;
    margin-top: 0;
}

pre {
    background-color: var(--code-background-color);
    padding: 10px;
    border-radius: 5px;
    overflow: auto;
    font-family: monospace;
    tab-size: 4;
    -moz-tab-size: 4;
    -o-tab-size: 4;
}

header {
    background-color: var(--header-background-color);
    padding: 0.625rem 0;
}

/* NAV BAR STUFF */
nav {
    margin-left: 6.25rem;
    /* Matches the padding of the page */
    margin-right: 6.25rem;
    /* Add right margin to match left */
    display: flex;
    justify-content: space-between;
    /* Space between main nav and right nav */
    align-items: center;
    /* Vertically center items */
}

.menu-toggle {
    display: none;
    /* Hidden on desktop */
}

nav>ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    flex: 1;
    /* Take up available space */
}

/* Site options specific styles */
.site-options {
    margin-left: auto;
    /* Push to the right */
    position: relative;
    /* Ensure proper dropdown positioning */
}

.site-options>a {
    font-family: 'Verdana', sans-serif;
    font-size: 0.875rem;
    padding: 0.375rem 1.5rem;
    color: var(--nav-link-text-color);
    text-decoration: none;
}

.site-options .dropdown-content {
    right: 0;
    /* Align dropdown to the right */
    left: auto;
    /* Override default left alignment */
    min-width: 12.5rem;
    /* Make dropdown wider for better readability */
}

/* Ensure site options dropdown shows on hover */
.site-options:hover>.dropdown-content {
    display: block;
}

/* Add down arrow for site options */
.site-options>a::after {
    content: "▼";
    font-size: 0.75rem;
    margin-left: 0.5rem;
    color: #ffbd5b;
}

/* Theme toggle button */
.theme-toggle {
    margin-left: 0.0625rem;
    display: flex;
    align-items: center;
}

.theme-toggle>a {
    padding: 0.375rem 1.5rem;
    /* match other top-level items */
    font-size: 0.875rem;
    /* match nav items */
    line-height: 1;
    /* prevent extra height */
}

nav ul li {
    position: relative;
}

nav ul li a {
    /* Top-level items */
    font-family: 'Verdana', sans-serif;
    font-size: 0.875rem;
    padding: 0.375rem 1.25rem;
    color: var(--nav-link-text-color);
    text-decoration: none;
}

/* Active state for top-level navigation */
nav>ul>li>a.active {
    font-weight: bold;
    color: var(--nav-link-text-active-color);
}

/* Active state for dropdown items - only for internal links */
.dropdown-content a.active:not([target="_blank"]) {
    color: var(--dropdown-text-active-color);
    font-weight: bold;
}

/* Active state for parent dropdowns when a child is active */
nav>ul>li.dropdown>a.active {
    font-weight: bold;
    color: var(--nav-link-text-active-color);
}

/* External links in dropdowns */
.dropdown-content a[target="_blank"] {
    color: var(--dropdown-text-color);
}

/* Hover state for external links */
.dropdown-content a[target="_blank"]:hover {
    background-color: var(--dropdown-hover-background-color);
    color: var(--dropdown-text-hover-color);
}

nav ul li a:hover {
    background-color: var(--nav-link-hover-background);
    color: var(--nav-link-text-hover-color);
    text-decoration: none;
    border-radius: 0.3125rem;
}

/* Styles for Sub-dropdown */
.dropdown-content {
    display: none;
    /* Hide by default */
    position: absolute;
    background-color: var(--dropdown-background-color);
    /* Non-hover BG color */
    min-width: 11.25rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
    z-index: 1;
    /* Ensure dropdown appears above other elements */
    list-style: none;
    /* Remove bullet points */
    padding: 0;
    /* Remove default padding */
}

/* Sub-dropdown for items with another dropdown */
.dropdown-content ul {
    display: none;
    /* Hide sub-menu by default */
    position: absolute;
    top: 0;
    left: 100%;
    /* Position the sub-menu to the right of the parent menu */
    list-style: none;
    /* Remove bullet points */
    padding: 0;
    /* Remove default padding */
}

/* Show the sub-menu when hovering over the parent item - Now handled by JavaScript */
/* .dropdown-content li:hover > ul {
    display: block;
} */

/* Down arrow for the main dropdown */
nav ul li.dropdown>a::after {
    content: "▼";
    /* Down arrow for main dropdown */
    font-size: 0.75rem;
    margin-left: 0.5rem;
    color: #ffbd5b;
}

/* Right arrow for items with a sub-dropdown */
.dropdown-content li.dropdown>a::after {
    content: "►";
    /* Right arrow for sub-dropdowns */
    font-size: 0.75rem;
    margin-left: 0.5rem;
    color: #ffbd5b;
}

.dropdown-content li a {
    padding: 0.5rem 0.75rem;
    font-family: 'Verdana', sans-serif;
    font-size: 0.8125rem;
    color: var(--dropdown-text-color);
    /* Non-active Text color */
    text-decoration: none;
    display: block;
    /* Ensure full-width hover area */
}

.dropdown-content li a:hover {
    background-color: var(--dropdown-hover-background-color);
    /* Light gray background on hover */
    color: var(--dropdown-text-hover-color);
    /* Keep text color as the original */
}

.dropdown-content li a.active {
    color: var(--dropdown-text-active-color);
    /* Blue text */
}

/* Non-clickable centered separator label inside dropdowns */
.dropdown-content li.dropdown-separator {
    text-align: center;
    font-family: 'NarcissusOpenSG', serif;
    font-weight: bold;
    font-size: 1.125rem;
    color: var(--dropdown-text-color);
    padding: 0.375rem 0.5rem;
    cursor: default;
}

/* Global link style (for regular links, not navigation or dropdown) */
a {
    color: var(--link-color);
    text-decoration: none;
    /* Remove underline */
}

a:hover {
    /* Link hover state */
    color: var(--link-hover-color);
    text-decoration: underline;
    /* Add underline */
}

.hero {
    text-align: center;
    padding: 0;
    /* Remove padding */
    background-color: var(--hero-background-color);
    position: relative;
    /* Ensure z-index applies */
    box-shadow: 0 0.0625rem 2.5rem rgba(0, 0, 0, 0.2);
    /* Bottom shadow similar to footer */
}

.hero img {
    width: 100%;
    display: block;
    /* Ensure the image is displayed as a block element */
    margin: 0;
    /* Remove any default margin */
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 0.625rem;
    /* Reduce the space below the h1 in the hero section */
}

.hero p {
    font-size: 1.2em;
    margin-top: 0.625rem;
    /* Reduce the space above the p element */
    margin-bottom: 1.25rem;
}

.quote {
    font-family: 'Verdana', sans-serif;
    background-color: var(--hero-background-color);
    /* Use the hero background color for a nice contrast */
    border-left: 0.3125rem solid var(--link-color);
    /* Add a left border with the link color for distinction */
    padding: 0.625rem 0.625rem;
    /* Add padding inside the quote box */
    border-radius: 0.3125rem;
    /* Slight rounding of corners */
    box-shadow: 0 0.25rem 0.3125rem rgba(0, 0, 0, 0.1);
    /* Subtle shadow for depth */
    max-width: fit-content;
    /* Make the box only as wide as the content */
}

/* Image floating styles */
.float-right {
    float: right;
    margin: 0 0 0.625rem 1.25rem;
    /* Margin to avoid text overlap */
    border: 0.25rem solid var(--image-border-color);
    /* Image Border */
    max-width: 25rem;
    /* Set max width for responsiveness */
}

.float-left {
    float: left;
    margin: 0 1.25rem 0.625rem 0;
    /* Margin to avoid text overlap */
    border: 0.25rem solid var(--image-border-color);
    max-width: 25rem;
}

.content {
    padding: 1.25rem 7.5rem 6.25rem 7.5rem;
    /* This sets top padding to 20px, and left, right, bottom padding to 120px */
    background-color: var(--content-background-color);
    border-radius: 0.625rem;
}

/* Blog stuff */
.blog-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-list li {
    margin-bottom: 0.875rem;
}

.blog-list a {
    font-size: 1.125rem;
}

.post-meta {
    color: var(--sidebar-text-color);
    font-size: 0.75rem;
}

.post-content {
    line-height: 1.8;
}

.post-image {
    border: 0.25rem solid var(--image-border-color);
    max-width: 100%;
    height: auto;
}

/* Sidebar stuff */
.blog-layout {
    display: flex;
    gap: 1.5rem;
    flex-direction: row-reverse;
    /* Remove for it left sidebar */
}

/* Collapsible years */
.year-header {
    cursor: pointer;
    font-weight: bold;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
}

/* Arrow indicator */
.year-header::before {
    content: "▼";
    /* expanded by default */
    font-size: 0.75rem;
    margin-right: 0.375rem;
    color: #ffbd5b;
    /* match your nav arrows */
}

/* When collapsed  */
.year-header.collapsed::before {
    content: "►";
}

.year-posts.collapsed {
    display: none;
}

.blog-sidebar {
    width: 16.25rem;
}

.blog-sidebar .year {
    font-weight: bold;
    margin: 0.75rem 0 0.375rem 0;
}

.blog-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0 0 0.625rem 0;
}

.blog-sidebar a {
    display: block;
    padding: 0.25rem 0.375rem;
    color: var(--sidebar-text-color);
    text-decoration: none;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

.blog-sidebar a:hover {
    background-color: var(--dropdown-hover-background-color);
    color: var(--dropdown-text-hover-color);
}

.blog-sidebar a.active {
    color: var(--dropdown-text-active-color);
    font-weight: bold;
}

.blog-main {
    flex: 1;
}

@media (max-width: 56.25rem) {
    .blog-layout {
        flex-direction: column;
    }

    .blog-sidebar {
        width: 100%;
    }
}

/* Table styles */
.content table {
    width: auto;
    border-collapse: collapse;
    /* Ensure borders are collapsed */
    margin-top: 0.625rem;
    /* Add some margin above the table */
}

.content table th,
.content table td {
    border: 0.0625rem solid var(--table-border-color);
    /* Light border around cells */
    padding: 0.1875rem;
    /* Padding inside cells */
    text-align: left;
    /* Center text inside cells */
    font-size: 1rem;
}

.content table th {
    /* Header */
    background-color: var(--table-header-background-color);
    font-weight: bold;
}

@media (max-width: 48rem) {
    .hero h1 {
        font-size: 2rem;
    }

    /* Fix for content padding and h1 on mobile */
    .content {
        padding: 1.25rem;
        /* 20px */
    }

    h1 {
        font-size: 2rem;
        /* 32px */
    }

    h2 {
        font-size: 1.5rem;
        /* 24px */
    }

    nav {
        margin-left: 0;
        /* Remove margin on smaller screens */
        margin-right: 0;
        padding: 0.625rem 1.25rem;
        /* Add some padding */
        position: relative;
        /* For absolute positioning of menu */
        flex-wrap: wrap;
        /* Allow wrapping */
    }

    /* Hamburger Menu Button */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 1.875rem;
        height: 1.3125rem;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
        /* Above the menu */
    }

    .menu-toggle span {
        width: 100%;
        height: 0.1875rem;
        background-color: var(--nav-link-text-color);
        border-radius: 0.1875rem;
        transition: all 0.3s ease;
    }

    /* Mobile Menu Overlay */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
        backdrop-filter: blur(2px);
    }

    .menu-overlay.visible {
        display: block;
    }

    /* Mobile Navigation List */
    nav ul {
        display: none;
        /* Hidden by default */
        flex-direction: column;
        width: 100%;
        background-color: var(--header-background-color);
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 1000;
        padding: 0.625rem 0;
        box-shadow: 0 0.3125rem 0.625rem rgba(0, 0, 0, 0.2);
    }

    nav ul.show {
        display: flex;
        /* Show when toggled */
    }

    nav ul li {
        margin: 0;
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: 0.9375rem 1.25rem;
        border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.1);
    }

    /* Adjust dropdowns for mobile */
    .site-options {
        margin-left: 0;
        /* Reset margin */
    }

    .dropdown-content {
        position: static;
        /* Stack naturally */
        box-shadow: none;
        background-color: var(--dropdown-background-color);
        /* Slightly darker for contrast */
        width: 100%;
        padding-left: 1.25rem;
        /* Indent dropdown items */
    }

    .dropdown-content ul {
        position: static;
        padding-left: 1.25rem;
    }

    /* Ensure dropdowns are visible on mobile or clickable */
    /* For simplicity in this pass, we'll let them hover or click as per existing JS, 
       but we might need to ensure they don't fly out to the right */
    .dropdown-content ul {
        left: 0;
    }

    /* Fix for floating images on mobile */
    .float-right,
    .float-left {
        float: none;
        display: block;
        margin: 0 auto 1.25rem auto;
        max-width: 100%;
    }

    /* Hide the site options dropdown content by default, show on hover/click logic */
    /* The existing hover logic might be tricky on touch, but let's stick to structure first */
}

.wrapper {
    flex: 1;
}

footer {
    background-color: var(--footer-background-color);
    color: var(--footer-text-color);
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    padding: 0.625rem 1.25rem;
    box-shadow: 0 -0.0625rem 2.5rem rgba(0, 0, 0, 0.2);
}

/* Back to top button */
#back-to-top {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    background-color: var(--header-background-color);
    color: var(--nav-link-text-color);
    border: none;
    border-radius: 20%;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.25rem;
    cursor: pointer;
    display: none;
    opacity: 0;
    transition: opacity 0.3s, background-color 0.3s;
    z-index: 1000;
    box-shadow: 0 0.125rem 0.3125rem rgba(0, 0, 0, 0.2);
}

#back-to-top:hover {
    background-color: var(--nav-link-hover-background);
    color: var(--nav-link-text-hover-color);
}

#back-to-top.visible {
    display: block;
    opacity: 1;
}

/* Code Block Tabs */
.code-tabs {
    margin-top: 10px;
    margin-bottom: 10px;
}

.code-tab-header {
    display: flex;
    background-color: var(--table-header-background-color);
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    overflow: hidden;
    padding-left: 10px;
    padding-top: 5px;
}

.tab-btn {
    background-color: var(--tab-background-color);
    border: 1px solid transparent;
    border-bottom: none;
    outline: none;
    cursor: pointer;
    padding: 8px 16px;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--tab-text-color);
    opacity: 0.9;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    margin-right: 2px;
}

.tab-btn:hover {
    opacity: 1;
    background-color: var(--tab-hover-background-color);
    border-color: var(--table-border-color);
}

.tab-btn.active {
    background-color: var(--code-background-color);
    border: 1px solid var(--table-border-color);
    border-bottom: 1px solid var(--code-background-color);
    margin-bottom: -1px;
    opacity: 1;
    font-weight: bold;
    z-index: 2;
}

.code-tabs pre {
    margin-top: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.code-content {
    display: none;
}

.code-content.active {
    display: block;
}

.spoiler{
  background-color: gray;
  color: transparent;
  user-select: none;
}

.spoiler:hover{
  background-color: inherit;
  color: inherit;
}