/* Sidebar menu */
.burger-side-menu {
    position: fixed;
    top: 0;
    left: -260px; /* hidden off-screen */
    width: 260px;
    height: 100%;
    background-color: #ffffff; /* match flat header style */
    color: #333333;
    box-shadow: 2px 0 6px rgba(0,0,0,0.15);
    z-index: 1000;
    transition: left 0.25s ease-in-out;
    padding-top: 60px; /* space for header */
    font-family: Arial, sans-serif;
}

/* Slide-in effect */
.burger-side-menu.open {
    left: 0;
}

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

.burger-side-menu li {
    padding: 15px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1rem;
    transition: background 0.15s;
}

.burger-side-menu li:hover {
    background-color: #f8f8f8;
}

/* Overlay for closing menu */
.burger-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.15); /* subtle dim */
    z-index: 999;
}