/* Close Button */
.close-btn {
    position: absolute;
    top: 0rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 3rem;
    cursor: pointer;
    color: var(--linkColor);
}

/* Side Menu Container */
.side-menu {
    position: fixed;
    top: 0;
    left: -20rem; /* hidden initially */
    width: 20rem;
    height: 100%;
    padding-top: 4rem;
    background-color: var(--headerBgColor);
    color: var(--linkColor);
    box-shadow: 2px 0 5px rgba(0,0,0,0.3);
    transition: left 0.3s ease;
    z-index: 1000;
}

.side-menu.open {
    left: 0;
}

/* Remove list styles */
.side-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Every list item keeps your border */
.side-menu li {
    border-bottom: solid 1px #ddd;
}

/* Links and toggle buttons share SAME design */
.side-menu a,
.menu-toggle {
    display: block;
    width: 100%;
    padding: 0.5rem 1.5rem;
    text-decoration: none;
    color: var(--linkColor);
    font-size: 1rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
}

/* Hover effect (unchanged visually) */
.side-menu a:hover,
.menu-toggle:hover {
    color: var(--linkHoverColor);
}

/* Submenu indentation (same as before) */
.submenu {
    padding-left: 3rem;
}

/* Expandable menus hidden by default */
.expand-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.expand-menu li {
    padding-left: 1rem;
}

.arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

/* Closed state → point right */
.menu-group .arrow {
    transform: rotate(-90deg);
}

/* Open state → point down */
.menu-group.open .arrow {
    transform: rotate(0deg);
}

/* =========================================================
Responsive Styles
========================================================= */
@media (max-width: 700px) {
    .side-menu {
        left: -80%;
        width: 80%;
    }
}