/* Header */
header {
    background-color: #FFDB4D;
    padding: 10px 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

header h1 {
    font-size: 2em;
    color: #4B3D00;
    padding-left: 20px;
    padding-right: 20px;
}

/* Menu Button */
.menu-toggle {
    font-size: 20px;
    cursor: pointer;
    position: fixed;
    top: 25px;
    left: 15px;
    background-color: #FFD466;
    color: #4B3D00;
    padding: 10px 12px;
    border-radius: 6px;
    z-index: 1001;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Share Button */
.share-button {

    position: fixed;
    top: 35px;
    right: 15px;
    z-index: 1001;
    cursor: pointer;
    color: #221f0f;


}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: #fff;
    padding: 15px;
    position: fixed;
    top: 107px;
    left: -250px;
    height: calc(100% - 107px);
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
    z-index: 1000;
}

.sidebar.open {
    left: 0;
}

.sidebar ul {
    list-style: none;
    padding: 6px 0;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar a {
    display: block;
    text-decoration: none;
    color: #161201;
    font-size: 18px;
    padding: 8px;
}

.sidebar a:hover {
    background-color: #f5f4ef;
}

.subjects {
    display: none;
    margin-left: 15px;
    margin-top: 5px;
}

.subjects li a {
    font-size: 16px;
    color: #333;
}

.subjects li a:hover {
    background-color: #ffe680;
}

/* Mobile */
@media (max-width: 768px) {
    .sidebar {
        width: 180px;
    }
}