/* --- Base Styles & Layout --- */
body, html {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    color: #333;
    background-color: #fff;
    line-height: 1.5;
}

a {
    color: #286353;
    text-decoration: underline;
    cursor: pointer;
}

    a:hover, a:focus {
        color: #1e4a3e;
        outline: 2px solid #51c0a7;
        outline-offset: 2px;
    }

h1 {
    margin-top: 0;
    font-size: 1.5em;
}

h2 {
    font-size: 1.25em;
    margin-top: 0;
}
h4 {
    font-size: 1.17em;
}

/* --- Navbar & Search --- */
.navbar {
    background-color: #0e0e0e;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #f0f0f0;
}

.page-wrap {
    width: 100%;
    max-width: 1200px; 
    margin-inline: auto; 
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between; 
    flex-wrap: nowrap;
    gap: 16px;
}

.navbar-brand-group {
    display: flex;
    align-items: center;
    flex: 1 1 auto; 
    min-width: 0; 
    gap: 5px;
}

.brand-logo #mat-logo {
    transform-box: fill-box;
    transform-origin: center;
    transform: translateX(-80px); 
}

.navbar svg {
    width: 68px;
    margin-right: 15px;
    display: block;
}

.navbar .brand {
    color: #f0f0f0;
    text-decoration: none;
    font-size: 22px;
    font-weight: 400;
}

/* Search Bar Styling */
.search-container {
    position: relative;
    flex: 0 0 auto;   
}

.search-query {
    padding: 6px 12px;
    border-radius: 15px;
    border: 1px solid #ccc;
    font-size: 14px;
    width: 200px;
    transition: width 0.3s ease;
}

    .search-query:focus {
        width: 250px;
        outline: 2px solid #51c0a7;
    }

/* --- Container & Sidebar --- */
.container {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
    gap: 20px;
}

.sidebar {
    flex: 0 0 258px;
    position: sticky;
    top: 20px;  
    align-self: flex-start; 
    height: fit-content;      
}

    .sidebar ul {
        list-style: none;
        padding: 0;
        margin: 0;
        background-color: #f6f6f6;
        border: 1px solid #ccc;
        border-radius: 8px;
        overflow: hidden;
    }

    .sidebar li a {
        display: block;
        padding: 10px 15px;
        text-decoration: none;
        border-bottom: 1px solid #e0e0e0;
        color: #333;
        font-weight: 600;
    }

    .sidebar li:last-child a {
        border-bottom: none;
    }

    .sidebar li a:hover {
        background-color: rgba(81,192,167,.5);
    }

    .sidebar li.active a {
        background-color: #51c0a7;
        color: #0e0e0e;
    }

/* --- Main Content & Animations --- */
#content {
    flex: 1;
    padding-top: 0;
}


#content[data-category="faq"] {
    margin-top: -21px;
}


.fade-in {
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.txtElement {
    margin-bottom: 20px;
}

/* --- Native HTML5 Accordions --- */
details.accordion-group {
    margin-bottom: 5px;
    border: 1px solid transparent;
}

summary.accordion-heading {
    cursor: pointer;
    padding: 8px 0;
    font-weight: bold;
    color: #286353;
    list-style: none; 
}

summary.accordion-heading::-webkit-details-marker {
    display: none;
}

summary.accordion-heading::before {
    content: '▶';
    display: inline-block;
    font-size: 0.8em;
    margin-right: 8px;
    transition: transform 0.2s;
}

details[open] > summary.accordion-heading::before {
    content: '▼';
}

.accordion-inner {
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f6f6f6;
    padding: 15px;
    margin-left: 15px;
    margin-top: 5px;
}

/* Keep images from being wider than the page */
.accordion-inner img {
  max-width: 100%;
  height: auto;
  display: block;
}


/* Remove the green border on mouse hover and mouse click*/
a:hover,
.menu-item:hover {
    outline: none;
    box-shadow: none;
    border: none;
}

a:focus:not(:focus-visible),
.menu-item:focus:not(:focus-visible) {
    outline: none;
    box-shadow: none;
    border: none;
}


/* --- Responsive Design --- */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        flex: 1 1 auto;
    }

    .navbar {
        flex-direction: column;
        height: auto;
        padding: 10px;
        gap: 10px;
    }

    .search-query:focus {
        width: 200px;
    }
}


/* --- Mobile header --- */
@media (max-width: 600px) {
    .navbar {
        flex-direction: row;
        height: 60px; 
        padding: 0 10px; 
        gap: 8px;
    }

    .page-wrap {
        padding: 0 10px;
        gap: 8px;
        align-items: center;
    }

    .navbar svg.brand-logo,
    .navbar svg {
        width: 38px; 
        margin-right: 8px;
    }

    .navbar .brand {
        font-size: 14px; 
        font-weight: 600;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 58vw; 
    }

    .search-container {
        display: flex;
        align-items: center; 
        flex: 0 0 auto;
    }

    .search-query {
        box-sizing: border-box; 
        height: 24px; 
        line-height: 24px;
        font-size: 12px; 
        padding: 0 8px; 
        border-radius: 12px; 
        width: 90px; 
    }

        .search-query::placeholder {
            font-size: 12px;
        }

        .search-query:focus {
            width: 90px; 
            outline: 2px solid #51c0a7;
        }

    .sidebar li a {
        padding: 8px 12px;
        font-size: 14px;
    }
}

/* Right-side caret for each sidebar item */
.sidebar li a {
    position: relative; 
    padding-right: 32px; 
}

/* Default caret */
.sidebar li a::after {
    content: "❯"; 
    position: absolute;
    right: 12px; 
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: #333;
    opacity: 0.7; 
    pointer-events: none; 
}


/* --- Fix for <h3> inside accordion summary titles --- */
summary.accordion-heading h3 {
    margin: 0; 
    padding: 0;
    display: inline; 
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit; 
}