/* ===== Import Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display&family=Quicksand&family=Roboto&family=Lato&display=swap');

/*
    Define root-level CSS variables for colors and fonts
*/
:root {
    --bg-color: #f7f5ee;
    --ui-text-color: rgba(251, 192, 147);
    --text-color: #1e293b;
    --highlight-color: #f7f5ee;
    --header-footer-color: rgba(69, 69, 69, 0.7);
    --font-family: 'Quicksand', sans-serif;
}

/* ===== Header Content and Profile Info ===== */

/* Align and space header content elements horizontally */
.header-content {
    display: flex;
    justify-content: space-between; 
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    gap: 1rem;
}

/* Align name/email info to the right of the header */
.my-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: right;
}

/* ===== Main Layout ===== */

/* Let the main section grow to fill vertical space between header and footer */
main {
    flex: 1;
}

/*
    Base layout settings and default body font
*/
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    font-family: var(--font-family);
    background-color: var(--bg-color);
}

/* Set default paragraph font size */
p {
    font-size: 1.2rem;
}

/* Style anchor links */
a {
    color: var(--ui-text-color);
    text-decoration: none;
    font-size: 1.2rem;
}

/* Hover effect for links */
a:hover {
    color: var(--highlight-color);
    cursor: pointer;
}

/* ===== Header and Footer ===== */

/* Style header and footer appearance */
header, footer {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    padding: 1rem;
    text-align: center;
}

/* Make header text and link text larger */
header p, header p a {
    font-size: 2rem;
}

/* Style main title in home section */
.home-title p {
    font-size: 3rem;
}

/* Set footer text and link font size */
footer p, a {
    font-size: 2rem;
}

/* Layout for footer inner content */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
}


/* ===== Navigation Styles ===== */

/* Horizontal navigation list */
#nav-list {
    display: flex;
    gap: 3rem;
    justify-content: center;
    font-size: 2rem;
}

/* Nav item spacing and position */
.nav-item {
    position: relative;
    padding: 0.25em;
}


/* Hover animation for nav items */
.nav-item:hover {
    color: var(--highlight-color);
    transform: translateY(-1px);
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
}

/* Click effect for nav items */
.nav-item:active {
    transform: scale(0.95);
}

/* Style for active navigation item */
.active {
    color: var(--bg-color);
    background-color: var(--ui-text-color);
    border-radius: 6px;
    box-shadow: 0 0 10px var(--ui-text-color), 0 0 20px rgba(251, 192, 147, 0.5);
    transition: all 0.2s ease-in-out;
}

/* ===== Section Display Styles ===== */

/* Hide all sections by default */
.section {
    display: none;
}

/* Show section when "visible" class is added */
.section.visible {
    display: flex;
    flex-direction: column;
}

/* Center align section headers */
.section-header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2em 2em 0 2em;
}

/* Style section description boxes */
.section-description {
    color: var(--text-color);
    width: 40%;
    padding: 2em;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    margin: 2em;
}

/* Style paragraph inside section headers */
.section-header p {
    font-size: 2em;
    margin-bottom: 1em;
    line-height: 1.5em;
}

/* Style main section titles */
h1 {
    color: var(--ui-text-color);
    display: inline-block;
    font-size: 3em;
    text-align: center;
    padding: 1em;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    background-color: var(--header-footer-color);
}

/* ===== Home Section ===== */

/* Style container in the home section with centered layout */
#home-content {
    display: flex;
    justify-content: center;
    align-self: center;
}

/* Style paragraphs in the home section */
#home-content p {
    font-size: 2em;
    margin-bottom: 1em;
    line-height: 1.5em;
}

/* Add spacing around the image and text containers */
#img-box, #text-box {
    padding: 1em;
    margin: 1em;
}

/* Style the image box with shadow and rounded edges */
#img-box {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-radius: 20%;
}

/* Style the profile image */
#profile-img {
    width: 300px;
    height: auto;
    border-radius: 20%;
    filter: grayscale(10%);
}

/* Style the text box in the home section */
#text-box {
    color: var(--text-color);
    width: 45%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

/* ===== Labs, News, Game, Preferences Content Sections ===== */

/* Apply vertical layout to all main content sections */
#labs-content, #news-content, #game-content, #preferences-content, #contact-content {
    display: flex;
    flex-direction: column;
}

/* Add margin around the Labs section */
#labs-content {
    margin: 2em;
}


/* ===== News Section ===== */

/* Center align content inside the News section */
#news-content {
    align-items: center;
    justify-content: center;
}

/* Style the container for news entries */
.news-box {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    max-width: 1000px;
}

/* Style each news entry item */
.news-entry {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    font-size: 1.5em;
    line-height: 1.5em;
    margin: 0.5em;
    padding: 1em;
    color: var(--text-color);
}

/* Adjust padding for custom bullet styling */
.news-entry {
  position: relative;
  padding-left: 1.5em;
}

/* Add a vertical colored line at the start of each entry */
.news-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10%;
  bottom: 10%;
  width: 6px;
  background-color: var(--ui-text-color);
  border-radius: 4px;
}

/* Style horizontal rules as gradient dividers */
hr {
    border: none;
    height: 2px;
    background: linear-gradient(to right, var(--ui-text-color), #f7f5ee, var(--ui-text-color));
    margin: 2em 0;
    border-radius: 2px;
}


/* ===== Labs Section and Columns ===== */

/* Arrange columns side by side with spacing between them */
.columns {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* Style each individual column */
.column {
    flex: 1;
    padding: 0.5rem;
}

/* Style each lab container */
.lab {
    display: flex;
    flex-direction: column;
    background-color: var(--header-footer-color);
    box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.4);
    color: var(--highlight-color);
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    flex: 1;
}

/* Style the lab title element */
.lab-title {
    margin-bottom: 0.5rem;
    font-weight: bold;
    font-size: 1.5rem;
    color:  var(--ui-text-color);
    text-align: left;
}

/* Add a triangle icon before each lab title */
.lab-title::before {
    content: "▶";
    display: inline-block;
    margin-right: 0.5em;
    margin-left: 0.5em;
}

/* Change the triangle to a down-arrow when the checkbox is checked */
.lab-checkbox:checked + .lab-title::before {
    content: "▼";
}

/* Change text color and cursor on hover */
.lab-title:hover { 
    color: var(--highlight-color);
    cursor: pointer;
}

/* Hide the lab details by default */
.lab-info { 
    display: none;
}

/* Style the "Open Lab" link */
.lab-info a {
    background-color: var(--highlight-color);
    font-weight: bold;
    margin: 1em;
    padding: 1em;
    font-size: 1.2rem;
    color: var(--text-color);
    text-align: center;
    border-radius: 6px;            
    box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.4);
    width: max-content;
    align-self: center;
}

/* Style the lab description paragraph */
.lab-info p {
    background-color: var(--highlight-color);
    line-height: 1.2em;
    margin-top: 1em;
    margin-left: 1em;
    margin-right: 1em;
    box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.4);
    padding: 0.5em;
    border-radius: 8px;
    color: var(--text-color);
}

/* Add slight lift on hover for link */
.lab-info a:hover {
    cursor: pointer;
    transform: translateY(-1px);
}

/* Add pressed effect on click */
.lab-info a:active {
    transform: scale(0.98);
}

/* Show the lab info when checkbox is checked */
.lab-checkbox:checked + label + .lab-info {
    display: flex;
    flex-direction: column;
}


/* ===== Game Section Word Search ===== */

/* Text color for the game container */
.game-box {
    color: var(--text-color);
}

/* Center the game content */
#game-content {
    justify-content: center;
    align-items: center;
    gap: 15px;
}

/* Container for outer word list box with shadow and rounded edges */
#words-outer-container {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

/* Stack word list items vertically */
#words-inner-container {
    display: flex;
    flex-direction: column;
}

/* Style the current category title bar */
#category-title {
    font-size: 2em;
    color: var(--ui-text-color);
    background-color: var(--header-footer-color);
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-radius: 8px 8px 0px 0px;
    padding: .5em;
}

/* Wrapper to position dropdown below title */
#category-title-wrapper {
    position: relative;
}

/* Show dropdown on hover */
#category-title-wrapper:hover .category-list-box {
    opacity: 1;
    pointer-events: auto;
}

/* Show pointer cursor when hovering over category title */
#category-title:hover {
    cursor: pointer;
}

/* Add hamburger icon before the category title */
#category-title::before {
    content: "☰";
    display: inline-block;
    margin-right: 0.5em;
    margin-left: 0.5em;
}

/* Dropdown container for categories */
.category-list-box {
opacity: 0;
    pointer-events: none;
    transition: all 0.5s ease;

    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    box-sizing: border-box;

    display: block;
    background-color: var(--highlight-color);
    color: var(--text-color);
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border-radius: 0 0 8px 8px;
    z-index: 1000;
    cursor: pointer;
}

/* Layout for the category items inside the dropdown */
.category-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
}

/* Each category item block */
.category-item {
    padding: 0.5em;
    margin: 0.4em;
    border-radius: 6px;
}

/* Add hover effect to category items */
.category-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

/* Slight shrink on click */
.category-item:active {
    transform: scale(0.95);
}

/* Word list display container */
#words-container {
    font-size: 1.3em;
    color: var(--text-color);
    margin: 1em;
}

/* Style each word in the list */
#words-container span {
    margin: 1em;
}

/* Margin for game grid */
#grid {
    margin-top: 1em;
    margin-bottom: 2em;
}

/* Wrapper for the letter grid */
#wrapper {
    display: grid;
    grid-template-columns: repeat(15, 1fr);
    justify-content: center;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    margin: 1em;
    padding: 1em;
    user-select: none;
}

/* Style for each individual letter cell */
.letter-span {
    aspect-ratio: 1/1;
    width: 1em;
    display: flex;
    padding: 1em;
    margin: 0.2em;
    align-items: center;
    justify-content: center;
    font-family: monospace;
    font-size: 1.5em;
    border-radius: 20px;
}

/* Highlight effect for selected letters */
.selected-letter {
    outline: 2px solid var(--text-color);
    outline-offset: -2px;
    transform: scale(1.05);
    transition: transform 0.2s, outline 0.2s;
}


/* ===== Preferences Section ===== */

/* Layout for the preferences content section */
#preferences-content {
    display: flex;
    align-items: center;
}

/* Container for preferences controls */
.preferences-section {
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    margin: 2em;
}

/* Style for large section headers */
.preferences-section h2 {
    font-size: 2.5em;
}

/* Style for subsection headers */
.preferences-section h3 {
    font-size: 2em;
}

/* Paragraph styling inside preferences section */
.preferences-section p {
    font-size: 1.5em;
}

/* Label styling for color pickers, radio buttons, etc. */
.preferences-section label {
    font-size: 1.5em;
}

/* Title bar for preferences section */
.preferences-title {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    box-shadow: 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding: 2em;
}

/* ===== Settings Section ===== */

/* Layout for each row of settings */
.setting-row {
    color: var(--text-color);
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 0.5em;
    margin-bottom: 1em;
    padding: 2em;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 0.75em;
    margin-bottom: 0.75em;
}

/* Remove bottom border for last row */
.setting-row:last-child {
    border-bottom: none;
}

/* Style color input boxes in settings */
.setting-row input[type="color"] {
    border: 2px solid black;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    padding: 0;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
}

/* Add hover effect to color pickers */
input[type="color"]:hover {
  transform: translateY(-2px);
}

/* Style setting labels for clean alignment */
.setting-row label {
    min-width: 0;
    white-space: nowrap;
}

/*
.reset-icon {
    background: none;
    border: none;
    font-size: 1.6em;
    cursor: pointer;
    transform: translateY(-3px);
    transition: transform 0.2s ease;
}

.reset-icon:hover {
    transform: rotate(-20deg);
}
*/

/* ===== Theme Selection (Radio Group) ===== */

/* Add padding around the radio button group */
.radio-group {
    padding: 1em;
}

/* Hide the default radio input circles */
.radio-group input[type="radio"] {
    display: none;
}

/* Disable interaction and text selection on color picker labels */
label[for="bg-color"], label[for="ui-text-color"], label[for="text-color"], label[for="highlight-color"], label[for="header-footer-color"] {
    pointer-events: none;
    user-select: none;
}

/* Style all visible radio labels */
.radio-group label {
    display: inline-block;
    padding: 0.5em 1em;
    cursor: pointer;
    background-color: var(--highlight-color);
    margin: 0.5em;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    user-select: none;
}

/* Slight hover lift effect for labels */
.radio-group label:hover {
    transform: translateY(-2px);
}

/* ===== Checked Theme Label Styles ===== */

/* Highlight the label for the 'default' theme when selected */
input[type="radio"]:checked + #default-label {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

/* Highlight the label for the 'sunset' theme when selected */
input[type="radio"]:checked + #sunset-label {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

/* Highlight the label for the 'midnight' theme when selected */
.radio-group input[type="radio"]:checked + #midnight-label {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.6);
}

/* Highlight the label for the 'ocean' theme when selected */
.radio-group input[type="radio"]:checked + #ocean-label {
    background: var(--header-footer-color);
    color: var(--ui-text-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

/* ===== Font Menu Section ===== */

/* Style the main font selector box */
.font-selection {
    display: inline-block;
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    padding: 1em;
    cursor: pointer;
    margin: 1em;                            
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    user-select: none;
    position: relative;
}

/* Style the dropdown menu that appears under font selector */
.font-menu {
    opacity: 0%;
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background-color: var(--highlight-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    color: var(--text-color);
    border-radius: 8px;
    transition: all 0.5s ease;
    pointer-events: none;
    padding: 0.5em;
    width: fit-content;
}

/* Style for each font option in the menu */
.font-menu p {
    padding: 0.5em;
    border-radius: 8px;
}

/* Show the dropdown when the font selection is hovered */
.font-selection:hover .font-menu {
    opacity: 100%;
    transition: all 0.5s ease;
    pointer-events: auto;
}

/* Hover effect for font options */
.font-menu p:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

/* Highlight selected font option */
.selected-font {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

/* ===== Reset Button Section ===== */

/* Style for the Reset button used in Preferences section */
.reset-button {
    justify-self: center;
    margin-bottom: 1em;
    border-radius: 8px;
    background-color: var(--highlight-color);
    border: none;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    font-size: 1.5em;
    font-family: var(--font-family);
    transition: transform 0.2s ease;
    padding: 0.3em 0.7em;
    cursor: pointer;
    color: var(--text-color);
}

/* Add hover effect to lift the button slightly */
.reset-button:hover {
    transform: translateY(-2px);
}


/* ===== Contact Info Section ===== */

/* Align contact section vertically */
#contact-content {
    align-items: center;
}

/* Set heading size for contact section */
#contact-content h2 {
    font-size: 2.5em;
}

/* Layout for info and form side by side */
.contact-wrapper {
    display: flex;
}

/* Style contact info panel */
.contact-info-section {
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    margin: 2em;
}

/* Style contact form panel */
.contact-form-section {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    margin: 2em;
}

/* Wrapper for all contact info items */
.contact-info-items {
    margin: 2em;
    color: var(--text-color);
}

/* Layout for a single contact info item */
.contact-info-item {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    align-items: center;
    gap: 1.5em;
    margin-bottom: 1em;
    padding: 2em;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 0.75em;
    margin-bottom: 0.75em;
    user-select: none;
}

/* Remove border from last contact item */
.contact-info-item:last-child {
    border: none;
}

/* Style the top title bar of contact panel */
.contact-info-title-container {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    box-shadow: 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding: 2em;
}

/* Style tooltip for copy icons */
.tooltip {
    opacity: 0%;
    white-space: nowrap;
    position: absolute;
    top: 100%;
    left: 50%;
    padding: 0.5em;
    pointer-events: none;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    color: var(--text-color);
    border-radius: 8px;
    transition: all 0.5s ease;
    transform: translateX(-50%);
    background-color: var(--highlight-color);
    z-index: 10;
}

/* Container for copy icon + tooltip */
.copy-container {
    position: relative;
    cursor: pointer;
}

/* Show tooltip on hover */
.copy-container:hover .tooltip {
    opacity: 100%;
    pointer-events: auto;
}

/* ===== Contact Form Section ===== */

/* Style the title bar of the contact form */
.contact-form-title-container {
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    box-shadow: 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding: 2em;
}

/* Center the contact form on the page */
.contact-form-container {
    display: flex;
    justify-content: center;
}

/* Define layout and spacing for the form fields */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 2em;
    gap: 1em;
    color: var(--text-color);
}

/* Display labels above inputs */
.contact-form-item label {
    display: block;
    padding-bottom: 0.5em;
}

/* Make form elements fill available width */
.contact-form-item input, .contact-form-item textarea, .contact-form-item button {
    width: 100%;
    box-sizing: border-box;
}

/* Style input and textarea padding and size */
.contact-form-item input, textarea {
    padding: 0.5em;
    max-width: 600px;
}

/* Style the message textarea */
textarea {
    resize: none;
    overflow: auto;
    height: 8em;
}

/* Allow elements to span both columns */
.contact-form-item.full-width {
    grid-column: span 2;
}

/* Style the topic dropdown container */
.topic-selection {
    display: inline-block;
    background-color: var(--header-footer-color);
    color: var(--ui-text-color);
    padding: 1em;
    cursor: pointer;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    user-select: none;
    position: relative;
    white-space: nowrap;
}

/* Style the dropdown menu */
.topic-menu {
    opacity: 0%;
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background-color: var(--highlight-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    color: var(--text-color);
    border-radius: 8px;
    transition: all 0.5s ease;
    pointer-events: none;
    padding: 0.5em;
    width: fit-content;
}

/* Show dropdown menu on hover */
.topic-selection:hover .topic-menu {
    opacity: 100%;
    transition: all 0.5s ease;
    pointer-events: auto;
}

/* Style each item in the dropdown */
.topic-menu p {
    padding: 0.5em;
    border-radius: 8px;
}

/* Highlight dropdown item on hover */
.topic-menu p:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

/* Highlight the selected topic */
.selected-topic {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

/* Style the submit button */
#submit-button {
    margin-bottom: 1em;
    border-radius: 8px;
    background-color: var(--highlight-color);
    border: none;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    font-size: 1.5em;
    font-family: var(--font-family);
    transition: transform 0.2s ease;
    padding: 0.2em;
    cursor: pointer;
    color: var(--text-color);
}

/* Add hover animation to submit button */
#submit-button:hover {
    transform: translateY(-2px);
}