/* style.css */
header {
    background-color: #1a73e8;
    color: white;
    position: relative; /* allow absolutely positioned hamburger */
    margin-bottom: 20px;
}

header nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
}

header nav a:hover {
    text-decoration: underline;
}

/* hamburger button styling and responsive behaviour */
.hamburger-btn {
    display: inline-block; /* show on desktop by default */
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 4px;
    position: relative;
    margin-right: 0.5rem;
}

/* make sure the button is visible and above other elements on small screens */
@media (max-width: 699px) {
    /* Keep hamburger appearance consistent with desktop on mobile (no extra mobile-only styling) */
    .hamburger-btn {
        display: inline-block !important;
        z-index: 800;
        background: transparent !important;
        color: #fff !important;
        font-size: 1.4rem;
        padding: 6px 8px;
        position: relative !important;
    }

    /* ensure header sits below overlay/sidebar while menu is open */
    body.sidebar-open header {
        z-index: 1000 !important;
        position: relative !important;
    }

    /* Ensure header search is visible on mobile (override other rules) */
    header nav form {
        display: inline-flex !important;
        align-items: center !important;
        margin-left: 0.5rem !important;
    }
    header nav form input[type="text"] {
        width: 120px !important;
    }

    /* keep home link visible and use normal flow (no extra left margin) */
    header nav {
        display:flex;
        align-items:center;
        gap:0.5rem;
        margin-left: 0;
    }

    header nav a.nav-home {
        display:inline-block;
        color:white;
        font-weight:600;
        margin-left: 0.25rem;
    }

    .menu-search-btn {
        display: none !important; /* hide menu search button on mobile */
    }
}

/* ensure accessibility: visible focus state */
.hamburger-btn:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}