  /* ===== LINKER MENU ===== */
        .menu {
            background: #161b22;
            color: #c9d1d9;
            width: 240px;
            padding: 1.5rem 1rem;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            border-right: 1px solid #30363d;
            height: 100vh;
            position: sticky;
            top: 0;
        }
        .menu .logo {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: #f0f6fc;
            margin-bottom: 0.5rem;
        }
        .menu .logo span {
            color: #58a6ff;
        }
        .menu .sub {
            font-size: 0.8rem;
            color: #8b949e;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #30363d;
            padding-bottom: 0.8rem;
        }
        .menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }
        .menu li a {
            display: block;
            padding: 0.6rem 0.8rem;
            color: #c9d1d9;
            text-decoration: none;
            border-radius: 6px;
            transition: background 0.2s;
            font-weight: 450;
            font-size: 0.95rem;
        }
        .menu li a:hover {
            background: #21262d;
            color: #f0f6fc;
        }
        .menu li a.active {
            background: #1f6feb;
            color: white;
            font-weight: 500;
        }
        .menu-footer {
            margin-top: auto;
            font-size: 0.7rem;
            opacity: 0.6;
            border-top: 1px solid #30363d;
            padding-top: 1rem;
            color: #8b949e;
        }
        .menu-footer .user-info {
            font-size: 0.85rem;
            color: #f0f6fc;
            margin-bottom: 0.5rem;
        }
/* ===== Mobiel menu (off-canvas) ===== */
@media (max-width: 768px) {
    body { flex-direction: column; }

    .menu-toggle {
        display: flex;
        position: fixed;
        top: 1rem;
        left: 1rem;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: #161b22;
        border: 1px solid #30363d;
        color: #f0f6fc;
        font-size: 1.4rem;
        line-height: 1;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        z-index: 1100;
        box-shadow: 0 4px 12px rgba(0,0,0,.4);
    }
    .menu-toggle:hover { background: #21262d; }

    .menu {
        position: fixed !important;
        top: 0;
        left: 0;
        height: 100vh;
        height: 100dvh;
        width: 270px;
        max-width: 80vw;
        padding: 1rem;
        background: #0d1117;
        border-right: 1px solid #30363d;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform .25s ease;
        z-index: 1090;
    }

    body.menu-open .menu {
        transform: translateX(0);
    }

    .menu-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.6);
        z-index: 1080;
        opacity: 0;
        transition: opacity .25s ease;
    }
    body.menu-open .menu-overlay {
        display: block;
        opacity: 1;
    }

    body.menu-open { overflow: hidden; }

    .content {
        padding: 4.5rem 1.5rem 1.5rem;  /* ruimte voor de hamburgerknop */
    }
    .content h1 { font-size: 1.8rem; }
}

/* Op desktop: knop en overlay verbergen */
@media (min-width: 769px) {
    .menu-toggle,
    .menu-overlay { display: none !important; }
}