#sidebar-container {
    position: relative;
}


#sidebar {
    position: fixed;
    top: 0;
    left: -250px;
    height: 100%;
    width: 250px;
    background-color: #2c3e50;
    color: #ecf0f1;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: left 0.3s ease;
    overflow-y: auto;
}

#sidebar .logo-container {
    text-align: center;
}

#sidebar .logo-container img {
    max-width: 100%;
    height: auto;
}

#sidebar ul.nav-items {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

#sidebar ul.nav-items li {
    text-align: center;
    margin: 15px 0;
}

#sidebar ul.nav-items li a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 16px;
    padding: 10px 20px;
    display: block;
    transition: background 0.3s;
}

#sidebar ul.nav-items li a:hover {
    background-color: #34495e;
}


#sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    z-index: 999;
    pointer-events: none;
    transition: opacity 0.3s ease;
}


#hamburger-menu {
    position: fixed;
    top: 15px;
    left: 15px;
    width: 30px;
    height: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

#hamburger-menu span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #2c3e50;
    border-radius: 3px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}


#sidebar-container.active #sidebar {
    left: 0;
}

#sidebar-container.active #sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
}

#sidebar-container.active #hamburger-menu span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#sidebar-container.active #hamburger-menu span:nth-child(2) {
    opacity: 0;
}

#sidebar-container.active #hamburger-menu span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}