body {
            margin: 0;
            font-family: Arial, sans-serif;
            background: linear-gradient(135deg, #ff4500, #28b463, #1f618d);
            color: white;
        }

        /* Top Bar */
        .topbar {
            background: linear-gradient(90deg, #1a5276 0%, #154360 100%);
            padding: 0 30px; 
            height: 80px;   
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            z-index: 1000;
            box-sizing: border-box;
            border-bottom: 2px solid #f7dc6f;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(247, 220, 111, 0.2);
        }
        .topbar .title {
            font-size: 22px;
            font-family: 'Segoe UI', sans-serif; 
            font-weight: 900;
            color: #f7dc6f;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
        }
        .topbar .nav-links a {
            color: white;
            margin: 0 5px;
            padding: 8px 15px;
            text-decoration: none;
            font-size: 12px;
            font-weight: 800;
            text-transform: uppercase;
            border-radius: 4px;
            border: 1px solid transparent;
            transition: all 0.2s skew(10deg); 
        }
        .topbar .nav-links a:hover {
            color: #f7dc6f;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid #f7dc6f;
            box-shadow: inset 0 0 10px rgba(247, 220, 111, 0.2), 0 0 15px rgba(247, 220, 111, 0.4);
            transform: skew(-10deg); 
        }
        .topbar .logo {
            background-image: url('../assets/NBTF.png');
            background-size: cover;
            height: 45px;
            width: 45px;
            filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
            transition: transform 0.3s ease;
        }
        .topbar .logo:hover {
            transform: rotate(15deg) scale(1.1);
            background-image: url('../assets/NBTF-hover.png');
            background-size: cover;
        }

        /* Main Content */
        .content-container {
            display: flex;
            margin-top: 80px; /* Space for the fixed top bar */
        }

        /* Sidebar */
        .sidebar {
            background-color: #28b463; /* Vibrant green */
            padding: 20px;
            width: 250px;
            box-sizing: border-box;
            height: 100vh;
            overflow-y: auto;
        }
        .sidebar h2 {
            font-size: 18px;
            color: #f7dc6f; /* Bright yellow */
            margin-bottom: 20px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 15px;
        }
        .sidebar ul li a {
            color: white;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s ease;
        }
        .sidebar ul li a:hover {
            color: #ff4500; /* Vibrant red-orange */
        }
        .collapsible {
            background: none;
            border: none;
            color: #f7dc6f;
            font-size: 18px;
            font-weight: bold;
            text-align: left;
            width: 100%;
            padding: 10px 0;
            cursor: pointer;
            outline: none;
        }
        .collapsible:after {
            content: '\25BC';
            font-size: 12px;
            float: right;
            margin-left: 5px;
        }
        .collapsible.active:after {
            content: '\25B2';
        }
        .collapsible-content {
            display: none;
            padding-left: 15px;
        }
        .collapsible-content ul {
            padding: 0;
        }

        /* Content Area */
        .content {
            padding: 20px;
            flex-grow: 1;
            background: rgba(0, 0, 0, 0.6);
            color: white;
        }
        .content h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: #f7dc6f; /* Bright yellow */
        }
        .content p {
            font-size: 1.2rem;
            line-height: 1.8;
        }
        .content a {
            color: #f7dc6f;
            text-decoration: none;
        }
        .content a:hover {
            text-decoration: underline;
        }
        /* Roles Area */
        .roles-main-content {
            display: flex;
            flex-direction: column;   
            align-items: center;      
            justify-content: flex-start; 
            padding-top: 50px;      
            text-align: center;       
            width: 100%;
        }
        #roles-collapsible-sections {
        color: white; /* Placeholder */
        }
        .roles-collapsible-sections .collapsible {
            color:white; /* Placeholder */
        }
        .roles-collapsible-sections .collapsible-content p {
            color:white; /* Placeholder */
        }
        .roles-collapsible-sections .collapsible-content ul li a {
            color: white; /* Placeholder */
        }