/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Merriweather:wght@400;700&display=swap');

/* CSS Variables for color palette */
:root {
    /* New University Palette */
    --primary-navy-blue: #FFFFFF;
    --accent-gold: #FFB81C;
    --secondary-cool-gray: #F5F5F5;
    --contrast-dark-green: #14532D; /* For accents or specific highlights */

    /* Text Colors */
    --text-dark: #000000; /* Default dark text on light backgrounds */
    --text-light: #FFFFFF; /* Default light text on dark backgrounds */
    --text-medium-gray: #555555; /* For less prominent text */

    /* Supporting Colors (can be derived or specified) */
    --border-color: #DDDDDD; /* Light border for cards/dividers on light backgrounds */
    --link-hover-color: #EAA800; /* Darker gold for hover */

    /* Previous colors (to be phased out or remapped) */
    /* --royal-blue: #1A237E; (Replaced by navy blue) */
    /* --carbon-black: #121212; (Replaced by cool gray for body bg) */
    /* --cyan-glow: #00B8D4; (No direct replacement, gold is main accent) */
    /* --mit-red: #A31F34; (No direct replacement) */
}

/* General Styles */
body {
    font-family: 'Lato', sans-serif; /* Sans-serif for body text */
    margin: 0;
    padding: 0;
    background-color: var(--secondary-cool-gray); /* Light gray background */
    color: var(--text-dark); /* Dark text on light background */
    line-height: 1.5;
    font-size: 16px;
}

.container {
    width: 90%;
    margin: 0 auto;
    max-width: 1300px;
    padding: 0 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif; /* Serif for headers */
    font-weight: 700; /* Bold for headers */
    color: var(--text-dark); /* Navy blue for headers */
    margin-top: 0;
    margin-bottom: 16px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: 16px;
    color: var(--text-medium-gray); /* Medium gray for paragraph text */
}

a {
    color: var(--text-dark); /* Changed to navy for better default contrast */
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover, a:focus {
    color: var(--accent-gold); /* Gold for hover */
    text-decoration: underline;
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

/* Header/Navigation */
nav {
    background-color: var(--primary-navy-blue);
    color: var(--text-dark);
    padding: 8px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 2.5em;
    font-family: 'Merriweather', serif; /* Serif for logo */
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--text-dark);
    font-weight: 500; /* Lato normal weight */
    font-family: 'Lato', sans-serif;
    padding: 0.6em 1em;
    border-radius: 4px;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
    text-transform: uppercase;
    font-size: 0.9em;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: var(--accent-gold);
    color: var(--primary-navy-blue); /* Dark text on gold background */
    text-decoration: none;
}

/* Auth Section (Login/Signup on Home Page) */
header#auth-section {
    background-color: var(--text-light); /* White background for auth section */
    padding: 32px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}
header#auth-section.hidden {
    display: none;
}

.auth-form {
    margin-bottom: 24px;
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--text-light);
    display: inline-block;
    text-align: left;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.auth-form h3 {
    margin-top:0;
    text-align: center;
    color: var(--text-dark);
    font-family: 'Merriweather', serif;
}
.auth-form label {
    display: block;
    margin-bottom: .5em;
    font-weight: 700;
    color: var(--text-medium-gray);
    font-family: 'Lato', sans-serif;
}
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"],
.auth-form input[type="date"],
.auth-form input[type="tel"],
.auth-form select,
.auth-form textarea,
.auth-form input[type="file"] {
    width: calc(100% - 24px);
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-family: 'Lato', sans-serif;
    font-size: 1em;
}
.auth-form input[type="checkbox"] {
    margin-right: 8px;
    vertical-align: middle;
}
.auth-form .terms-label { /* Specific styling for terms label */
    font-weight: normal;
    font-size: 0.9em;
    color: var(--text-medium-gray);
}

.auth-form button {
    width: 100%;
    padding: 12px;
    background-color: var(--accent-gold);
    color: var(--text-dark);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700; /* Lato bold */
    font-family: 'Lato', sans-serif;
    transition: background-color 0.3s ease;
}

.auth-form button:hover {
    background-color: var(--accent-gold);
    color: var(--primary-navy-blue);
}

.error-message {
    color: var(--primary-navy-blue); /* Using navy for errors, can use a red if preferred */
    background-color: #ffebee; /* Light red background for visibility */
    border: 1px solid var(--primary-navy-blue);
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    text-align: center;
}

/* Page Content */
.page-content {
    padding-top: 32px;
    padding-bottom: 32px;
}
#welcome-message {
    text-align: center;
    padding: 32px 0;
    background-color: var(--text-light);
    margin-bottom: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
#welcome-message {
    background-color: var(--secondary-cool-gray);
}

#welcome-message h1, #welcome-message p {
    color: white;
    text-shadow: 2px 2px 4px #000000;
}

#welcome-message h1 {
    font-size: 1.8em;
    margin-bottom: 0.5em;
}

/* Course Cards */
.course-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}
.course-card {
    background-color: var(--text-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.course-card h3 {
    margin-top: 0;
    font-size: 1.5em; /* Merriweather */
    color: var(--text-dark);
    margin-bottom: 10px;
}

.course-card p {
    font-size: 0.95em; /* Lato */
    margin-bottom: 15px;
    color: var(--text-medium-gray);
}
.course-card p strong {
    color: var(--text-dark);
}
.course-card .btn {
    margin-top: 15px;
}


/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent-gold);
    color: var(--primary-navy-blue); /* Dark text on gold */
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-weight: 700; /* Lato bold */
    font-family: 'Lato', sans-serif;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn:hover, .btn:focus {
    background-color: var(--accent-gold);
    color: var(--text-dark); /* Light text on navy */
    outline: 2px solid var(--primary-navy-blue);
    outline-offset: 2px;
}

.btn-secondary {
    background-color: var(--text-medium-gray);
    color: var(--text-light);
}
.btn-secondary:hover {
    background-color: var(--text-dark);
    color: var(--text-light);
}
.btn.btn-danger {
    background-color: #D32F2F; /* A strong red */
    color: var(--text-light);
}
.btn.btn-danger:hover {
    background-color: #B71C1C; /* A darker red for hover */
}
.btn:disabled, .btn-secondary:disabled {
    background-color: #cccccc;
    color: #666666;
    cursor: not-allowed;
}


/* Progress Bar */
.progress-bar-container {
    width: 100%;
    background-color: #e0e0e0; /* Light gray track */
    border-radius: 5px;
    margin-bottom: 10px;
    height: 22px;
    overflow: hidden; /* Ensure progress bar stays within rounded corners */
}

.progress-bar {
    background-color: var(--accent-gold);
    height: 100%;
    line-height: 22px;
    color: var(--primary-navy-blue); /* Dark text on gold */
    text-align: center;
    border-radius: 5px; /* This might not be visible if container overflows */
    font-size: 0.85em;
    font-weight: 700; /* Lato bold */
    font-family: 'Lato', sans-serif;
    transition: width 0.4s ease;
}

/* Modules List, Announcements, Assessments */
#modules-list ul, #announcements-list, #platform-news-list, #upcoming-assignments-list {
    list-style: none;
    padding: 0;
}
#modules-list li, #announcements-list li, #platform-news-list li, #upcoming-assignments-list li,
.assessment-item {
    background-color: var(--text-light);
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
#modules-list li { /* Module item specific flex for button alignment */
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Allow button to wrap on small screens */
}
#modules-list h5, .assessment-item h4 {
    margin:0 0 0.5em 0;
    font-size: 1.3em; /* Merriweather */
    color: var(--primary-navy-blue);
}
.assessment-item p, #modules-list li p {
    font-size: 0.9em; /* Lato */
    margin-bottom: 0.5em;
    color: var(--text-medium-gray);
}

.module-status {
    font-style: italic;
    font-size: 0.9em;
    color: var(--text-medium-gray);
    margin-right: 15px; /* Space before button */
}

/* Profile Page */
#profile-page .page-content, #dashboard-page .page-content, #admin-page .page-content, #course-detail-page .page-content, .chat-container {
    background-color: var(--text-light);
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.07);
}
#profile-info p {
    font-size: 1.1em; /* Lato */
    margin-bottom: 0.8em;
    color: #000000;
}
#profile-info strong {
    color: #000000; /* Navy for labels */
    font-weight: 700; /* Lato bold */
    margin-right: 8px;
}
#profile-picture {
    max-width: 150px;
    height: auto;
    border-radius: 50%;
    margin-bottom: 1.5em;
    border: 3px solid var(--accent-gold);
}
#user-transcripts-link {
    font-weight: 700; /* Lato bold */
}


/* Footer */
footer {
    background-color: #2F4F4F;
    color: var(--text-light);
    padding: 48px 0;
    margin-top: 48px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-logo {
    flex: 2;
    min-width: 250px;
}

.footer-logo .logo {
    font-size: 1.8em;
    font-weight: 700; /* Merriweather bold */
    font-family: 'Merriweather', serif;
    color: var(--text-light);
}
.footer-logo p {
    font-size: 0.9em; /* Lato */
    color: rgba(255,255,255,0.8);
    margin-top: 0.5em;
}

.footer-links {
    flex: 1;
    min-width: 150px;
}

.footer-links h4 {
    color: var(--text-light); /* Merriweather */
    margin-bottom: 1em;
    font-size: 1.2em;
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.7em;
}

.footer-links a {
    color: var(--text-dark); /* Lato */
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-gold);
    text-decoration: none;
}

.copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.7); /* Lato */
    font-size: 0.875rem;
    margin-top: 24px;
}

/* Sidenav for mobile navigation */
.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1001;
    top: 0;
    left: 0;
    background-color: var(--accent-gold);
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #000000;
    display: block;
    transition: 0.3s;
}

.sidenav a:hover {
    color: #f1f1f1;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}

/* Hamburger menu icon */
.hamburger {
    display: none;
    font-size: 30px;
    cursor: pointer;
    color: var(--accent-gold);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        width: 95%;
    }

    nav .container {
        flex-direction: column;
    }

    .desktop-nav {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .course-list {
        grid-template-columns: 1fr;
    }

    h1 { font-size: 2.2em; }
    h2 { font-size: 1.9em; }
    h3 { font-size: 1.6em; }

    .auth-form {
        padding: 1.5em;
        max-width: 100%;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-logo, .footer-links {
        flex: none;
        width: 100%;
        margin-bottom: 25px;
    }
    .footer-links ul {
        display: inline-block;
        text-align: center;
    }
    #profile-page .page-content, #dashboard-page .page-content, #admin-page .page-content, #course-detail-page .page-content {
        padding: 1.5em;
    }
}

@media (max-width: 480px) {
    nav .logo { font-size: 1.4em; }
    h1 { font-size: 2em; }
    h2 { font-size: 1.7em; }
    h3 { font-size: 1.4em; }

    .btn, button, .auth-form button {
        font-size: 0.9em;
        padding: 12px 18px;
    }
    #profile-page .page-content, #dashboard-page .page-content, #admin-page .page-content, #course-detail-page .page-content {
        padding: 1em;
    }
    .course-card { padding: 20px; }
    #modules-list li, #announcements-list li, #platform-news-list li, #upcoming-assignments-list li, .assessment-item {
        padding: 15px;
    }
}

@media (max-width: 768px) {
    .container {
        width: 95%;
    }

    nav .container {
        flex-direction: row;
        justify-content: space-between;
    }

    .desktop-nav {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .course-list {
        grid-template-columns: 1fr;
    }

    h1 { font-size: 2.2em; }
    h2 { font-size: 1.9em; }
    h3 { font-size: 1.6em; }

    .auth-form {
        padding: 1.5em;
        max-width: 100%;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-logo, .footer-links {
        flex: none;
        width: 100%;
        margin-bottom: 25px;
    }
    .footer-links ul {
        display: inline-block;
        text-align: center;
    }
    #profile-page .page-content, #dashboard-page .page-content, #admin-page .page-content, #course-detail-page .page-content {
        padding: 1.5em;
    }
}

@media (max-width: 480px) {
    nav .logo { font-size: 1.4em; }
    h1 { font-size: 2em; }
    h2 { font-size: 1.7em; }
    h3 { font-size: 1.4em; }

    .btn, button, .auth-form button {
        font-size: 0.9em;
        padding: 12px 18px;
    }
    #profile-page .page-content, #dashboard-page .page-content, #admin-page .page-content, #course-detail-page .page-content {
        padding: 1em;
    }
    .course-card { padding: 20px; }
    #modules-list li, #announcements-list li, #platform-news-list li, #upcoming-assignments-list li, .assessment-item {
        padding: 15px;
    }
}

/* Utility classes */
.hidden {
    display: none !important;
}

#back-to-top-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--accent-gold);
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 10px;
    font-size: 18px;
}

#back-to-top-btn:hover {
    background-color: var(--primary-navy-blue);
}

/* Dashboard Progress Summary Cards */
.progress-summary {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.progress-card {
    flex: 1;
    background: var(--text-light);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    text-align: center;
    min-width: 180px;
    border: 1px solid var(--border-color);
}

.progress-card h3 { /* Merriweather */
    font-size: 1.1em;
    color: var(--primary-navy-blue);
    margin-bottom: 10px;
    font-weight: 700;
}

.progress-card p { /* Lato */
    font-size: 2.2em;
    font-weight: 700;
    color: var(--accent-gold);
    margin: 0;
}

/* Admin Page Specifics */
/* Admin Page Accordion Styles */
.admin-accordion-section {
    background-color: var(--text-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1em;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden; /* Ensures content doesn't spill out during transition */
}
.accordion-header {
    cursor: pointer;
    padding: 1em 1.5em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}
.accordion-header:hover {
    background-color: var(--secondary-cool-gray);
}
.accordion-header h2 {
    margin: 0;
    font-size: 1.5em;
}
.accordion-header::after {
    content: '▼'; /* Down arrow */
    font-size: 0.8em;
    transition: transform 0.3s ease;
}
.accordion-header.active::after {
    transform: rotate(-180deg); /* Up arrow */
}
.accordion-content {
    padding: 0 1.5em 1.5em 1.5em;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease;
}
.accordion-content.active {
    max-height: 5000px; /* Large value to allow for any content height */
    overflow: visible;
}
.accordion-content > div:first-child,
.accordion-content > form:first-child {
    padding-top: 1.5em;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    /* Hides the entire nav bar on the learning page on mobile for a distraction-free experience */
    body.learning-page-body nav {
        display: none;
    }
}
#admin-page .accordion-content label {
    display: block;
    margin-bottom: .5em;
    font-weight: 700; /* Lato bold */
    color: var(--text-medium-gray);
}
#admin-page .accordion-content input[type="text"],
#admin-page .accordion-content input[type="number"],
#admin-page .accordion-content input[type="date"],
#admin-page .accordion-content textarea,
#admin-page .accordion-content select {
    width: calc(100% - 24px);
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-family: 'Lato', sans-serif;
    font-size: 1em;
}
#admin-page .accordion-content textarea {
    min-height: 100px;
    resize: vertical;
}
#admin-page .accordion-content button { /* Styles admin page buttons like main .btn */
    display: inline-block;
    background-color: var(--accent-gold);
    color: var(--primary-navy-blue);
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    font-size: 0.95em;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-weight: 700;
    font-family: 'Lato', sans-serif;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 10px;
}
#admin-page .accordion-content button:hover {
    background-color: var(--primary-navy-blue);
    color: var(--text-light);
}
#admin-page .accordion-content #admin-selected-user-details,
#admin-page .accordion-content #admin-pending-enrollments {
    margin-top: 1em;
    padding: 1em;
    background-color: var(--secondary-cool-gray);
    border-radius: 4px;
}
#admin-page .accordion-content #admin-selected-user-details p,
#admin-page .accordion-content #admin-pending-enrollments p {
    margin-bottom: 0.5em;
}
#admin-page .accordion-content #admin-selected-user-details strong {
    color: var(--primary-navy-blue);
}
#admin-page .accordion-content #existing-terms-list li,
#admin-page .accordion-content #admin-pending-enrollments li {
    padding: 8px;
    border-bottom: 1px dotted var(--border-color);
}
#admin-page .accordion-content #existing-terms-list li:last-child,
#admin-page .accordion-content #admin-pending-enrollments li:last-child {
    border-bottom: none;
}

.admin-accordion-section.active .accordion-header {
    background-color: var(--secondary-cool-gray);
}

.admin-accordion-section.active .accordion-content {
    padding: 1.5em;
    max-height: 5000px; /* Large value to allow for any content height */
    overflow: visible;
}


/* Chat Page Specifics */
.chat-container {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--text-light); /* White background for chat area */
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 180px); /* Adjust based on nav/footer height */
    min-height: 400px;
}

#chat-messages-area {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    border-bottom: 1px solid var(--border-color);
}

.chat-message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 75%;
    word-wrap: break-word;
}

.chat-message strong { /* Merriweather for names */
    font-family: 'Merriweather', serif;
    color: var(--primary-navy-blue);
    margin-right: 5px;
}
.chat-message .timestamp { /* Lato for timestamp */
    font-size: 0.8em;
    color: var(--text-medium-gray);
    margin-left: 10px;
}

/* Basic differentiation, can be enhanced if current user ID is available in JS to add a class */
.chat-message:nth-child(odd) { /* Example styling */
    background-color: var(--secondary-cool-gray); /* Light gray for other messages */
    align-self: flex-start;
    border-bottom-left-radius: 0;
}
.chat-message:nth-child(even) { /* Example styling for "own" messages - needs JS to be accurate */
    background-color: #D1E8FF; /* Light blue for own messages - placeholder */
    align-self: flex-end;
    margin-left: auto; /* Push to right */
    border-bottom-right-radius: 0;
}


#chat-input-area {
    display: flex;
    padding: 15px;
    background-color: #f9f9f9; /* Slightly off-white for input area */
    border-top: 1px solid var(--border-color);
}

#chat-message-input {
    flex-grow: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    margin-right: 10px;
    font-family: 'Lato', sans-serif;
    font-size: 1em;
}

#send-chat-message-btn {
    background-color: var(--accent-gold);
    color: var(--primary-navy-blue);
    padding: 12px 20px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 700; /* Lato bold */
    font-family: 'Lato', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#send-chat-message-btn:hover {
    background-color: var(--primary-navy-blue);
    color: var(--text-light);
}