/* Sidebar Navigation Styles */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 250px;
    background: #2a2a2a;
    border-right: 1px solid rgba(0, 255, 0, 0.2);
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 1000;
    transform: translateX(0);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar.closed {
    transform: translateX(-250px);
}

body.sidebar-closed .sidebar-toggle {
    left: 10px;
}

.sidebar-toggle {
    position: fixed;
    left: 260px;
    top: 10px;
    background: #00ff00;
    color: #0f0f0f;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 1001;
}

.sidebar-toggle:hover {
    background: #00cc00;
}

body.sidebar-open .sidebar-toggle {
    left: 260px;
}

.sidebar-content {
    padding: 20px;
}

.sidebar-title {
    color: #00ff00;
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(0, 255, 0, 0.3);
}

.nav-category {
    margin-bottom: 10px;
}

.nav-category-btn {
    width: 100%;
    background: rgba(0, 255, 0, 0.1);
    color: #00ff00;
    border: 1px solid rgba(0, 255, 0, 0.3);
    padding: 10px;
    text-align: left;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav-category-btn:hover {
    background: rgba(0, 255, 0, 0.2);
}

.nav-category .nav-links {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    display: flex;
    flex-direction: column;
}

.nav-category.expanded .nav-links {
    max-height: 1000px;
    margin-top: 5px;
}

.nav-category .nav-links a {
    padding: 8px 15px;
    color: #e0e0e0;
    text-decoration: none;
    font-size: 0.9rem;
    border-left: 2px solid transparent;
    transition: all 0.2s;
    display: block;
}

.nav-category .nav-links a:hover {
    color: #00ff00;
    border-left-color: #00ff00;
    background: rgba(0, 255, 0, 0.05);
    padding-left: 20px;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-250px);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.closed {
        transform: translateX(-250px);
    }

    .sidebar-toggle {
        left: 10px;
    }

    body.sidebar-open .sidebar-toggle {
        left: 260px;
    }

    body.sidebar-closed .sidebar-toggle {
        left: 10px;
    }
}