Here is the complete updated **`header.php`** with the **Mode button removed**.

```php

<style>
:root {
    --elg-bg:#eef2f7;
    --elg-text:#222;
    --elg-card:#ffffff;
    --elg-blue:#03152f;
    --elg-blue2:#0a2f63;
    --elg-gold:#FFD54F;
    --elg-orange:#ff9800;
}

* {
    box-sizing:border-box;
}

body {
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    background:var(--elg-bg);
    color:var(--elg-text);
}

.elg-header {
    position:sticky;
    top:0;
    z-index:9999;
    background:linear-gradient(135deg,#03152f,#0a2f63,#1657a8);
    color:#fff;
    box-shadow:0 6px 20px rgba(0,0,0,.25);
}

.elg-top {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:22px 25px;
    flex-wrap:wrap;
    gap:18px;
}

.logo h1 {
    margin:0;
    font-size:42px;
    color:var(--elg-gold);
    font-weight:900;
    letter-spacing:2px;
}

.logo span {
    color:#fff;
}

.logo p {
    margin:8px 0 0;
    font-size:16px;
    color:#d7e4ff;
}

.header-tools {
    display:flex;
    align-items:center;
    gap:12px;
    flex-wrap:wrap;
    justify-content:center;
}

.search-box form {
    display:flex;
    gap:8px;
}

.search-box input {
    padding:11px 15px;
    border:none;
    border-radius:30px;
    width:260px;
    font-size:15px;
}

.search-box button {
    padding:11px 16px;
    background:var(--elg-orange);
    border:none;
    border-radius:30px;
    color:#fff;
    font-weight:bold;
    cursor:pointer;
}

.search-box button:hover {
    background:#ff6b00;
}

.elg-stats {
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:10px;
    padding:10px 14px;
    background:rgba(0,0,0,.18);
    border-top:1px solid rgba(255,255,255,.12);
}

.elg-stat {
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.18);
    padding:8px 13px;
    border-radius:20px;
    font-size:13px;
    font-weight:bold;
}

.elg-menu {
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:10px;
    padding:16px;
    background:#041224;
    border-top:2px solid #d4af37;
    border-bottom:2px solid #d4af37;
}

.elg-menu a {
    color:#fff;
    text-decoration:none;
    padding:11px 18px;
    border-radius:30px;
    font-weight:bold;
    transition:.25s;
    position:relative;
}

.elg-menu a:hover,
.elg-menu a.active {
    background:var(--elg-gold);
    color:#041224;
    transform:translateY(-2px);
}

.register {
    background:#ff9800;
}

.login {
    background:#1976d2;
}

.logout {
    background:#c0392b;
}

.admin {
    background:#8e44ad;
}

.welcome {
    background:#2e7d32;
}

.badge {
    background:#e74c3c;
    color:#fff;
    padding:2px 7px;
    border-radius:12px;
    font-size:11px;
    margin-left:5px;
}

@media(max-width:900px) {
    .elg-top {
        flex-direction:column;
        text-align:center;
    }

    .search-box input {
        width:100%;
        max-width:380px;
    }

    .search-box form {
        width:100%;
        justify-content:center;
    }
}

@media(max-width:768px) {
    .elg-menu {
        flex-direction:column;
    }

    .elg-menu a {
        text-align:center;
    }

    .logo h1 {
        font-size:34px;
    }
}
</style>

<header class="elg-header">

    <div class="elg-top">
        <div class="logo">
            <h1>ELG<span>USER</span>.com</h1>
            <p>Books • Authors • Readers • Learning • Community</p>
        </div>

        <div class="header-tools">
            <div class="search-box">
                <form action="blog_post.php" method="get">
                    <input 
                        type="text" 
                        name="search" 
                        placeholder="Search blog posts..." 
                        value="" 
                        required
                    >
                    <button type="submit">🔍 Search</button>
                </form>
            </div>
        </div>
    </div>

    <div class="elg-stats">
        <div class="elg-stat">🔥 Visits: 5,162</div>
        <div class="elg-stat">👥 Members: 3</div>
        <div class="elg-stat">📚 Books: 16</div>
        <div class="elg-stat">📰 Blog Posts: 16</div>
    </div>

    <nav class="elg-menu">
        <a href="index.php" class="active">🏠 Home</a>
        <a href="books.php" class="">📚 Books</a>
        <a href="authors.php" class="">✍ Authors</a>
        <a href="blog.php" class="">📰 Blog</a>
        <a href="resources.php" class="">📖 Resources</a>
        <a href="library.php" class="">🏛 Library</a>
        <a href="trending.php" class="">🔥 Trending</a>
        <a href="contact.php" class="">✉ Contact</a>

        
            <a href="register.php" class="register ">📝 Register</a>
            <a href="login.php" class="login ">🔐 Login</a>

            </nav>

</header>
```
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>ELGUSER.com - Trending Books</title>
<style>
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;background:#eef2f7}
.elg-header{background:linear-gradient(135deg,#03152f,#0a2f63,#1657a8);color:#fff;box-shadow:0 5px 18px rgba(0,0,0,.25)}
.elg-top{padding:30px 20px;text-align:center}
.elg-top h1{font-size:48px;font-weight:900;letter-spacing:3px;color:#FFD54F}
.elg-top p{margin-top:12px;font-size:18px;letter-spacing:1px;color:#d8e6ff}
.elg-menu{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;padding:18px;background:#041224;border-top:2px solid #d4af37;border-bottom:2px solid #d4af37}
.elg-menu a{color:#fff;text-decoration:none;padding:12px 24px;border-radius:30px;font-weight:bold;transition:.30s}
.elg-menu a:hover,.elg-menu a.active{background:#FFD54F;color:#041224;transform:translateY(-2px)}
.page-title{text-align:center;margin:35px 0 10px;color:#03152f;font-size:34px}
.page-subtitle{text-align:center;color:#555;margin-bottom:10px}
#last-updated{text-align:center;font-size:12px;color:#999;margin-bottom:25px}
.update-blink{animation:blinkUpdate 1s ease-in-out 5;color:#e74c3c!important;font-weight:bold}
@keyframes blinkUpdate{0%{opacity:1}50%{opacity:.15}100%{opacity:1}}
.books-wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;font-family:Arial,sans-serif;padding:0 20px 40px}
.book-card{width:240px;border-radius:14px;padding:15px;background:#fff;box-shadow:0 4px 12px rgba(0,0,0,0.08);text-align:center;transition:.25s}
.book-card:hover{transform:translateY(-5px);box-shadow:0 8px 22px rgba(0,0,0,0.18)}
.rank-badge{font-size:13px;color:#fff;background:#e74c3c;padding:5px 12px;border-radius:20px;display:inline-block;margin-bottom:8px;font-weight:bold}
.hot-badge{font-size:12px;color:#fff;background:#ff6b00;padding:4px 10px;border-radius:20px;display:inline-block;margin-bottom:10px;font-weight:bold}
.book-img{width:120px;border-radius:8px;margin-bottom:10px}
.book-title{font-weight:bold;font-size:15px;color:#000;line-height:20px}
@media(max-width:768px){.elg-top h1{font-size:34px}.elg-top p{font-size:15px}.elg-menu{flex-direction:column}.elg-menu a{text-align:center}}
</style>
</head>
<body>
<h2 class="page-title">Trending Books</h2>
<p class="page-subtitle">Tell a friend to visit us today and share us.</p>

<div id="last-updated">
    Last updated: 01:57:55 PM - share us and maybe buy a copy today!
</div>

<div id="books-container">
    <div class="books-wrap"><div class="book-card" style="border:2px solid gold;"><div class="rank-badge">#1 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/womenvsmen.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_jokes5050.jpg" alt="Battle of the Sexes Women Are Funny, Men Think They Are"><div class="book-title">Battle of the Sexes Women Are Funny, Men Think They Are</div></a></div><div class="book-card" style="border:2px solid gold;"><div class="rank-badge">#2 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/library.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/smhiddenlibrary.jpg" alt="The Hidden Library Door"><div class="book-title">The Hidden Library Door</div></a></div><div class="book-card" style="border:2px solid gold;"><div class="rank-badge">#3 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/god.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_god.jpg" alt="Does God Approve of AI? AI and the Mind of God"><div class="book-title">Does God Approve of AI? AI and the Mind of God</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#4 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/coloring.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/color.jpg" alt="Coloring Book"><div class="book-title">Coloring Book</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#5 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/AI.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_ai.jpg" alt="AI Predictions For 2026: The Symbiosis Age"><div class="book-title">AI Predictions For 2026: The Symbiosis Age</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#6 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/murder.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_MurderonMapleLane.jpg" alt="Murder on Maple Lane"><div class="book-title">Murder on Maple Lane</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#7 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/resilientechoes.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_Resilient_Echoes.jpg" alt="Resilient Echoes"><div class="book-title">Resilient Echoes</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#8 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/icecream.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_icecream.jpg" alt="Maddy and the Ice Cream Cone Mystery"><div class="book-title">Maddy and the Ice Cream Cone Mystery</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#9 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/emoji.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_emojimath.jpg" alt="One Emoji, Two Emoji, Three Emoji and More: Learning to print 1 to 10 with Emoji&#039;s"><div class="book-title">One Emoji, Two Emoji, Three Emoji and More: Learning to print 1 to 10 with Emoji&#039;s</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#10 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/adopted.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_adopted.jpg" alt="Adopted, Just Like Me"><div class="book-title">Adopted, Just Like Me</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#11 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/bravo.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_bravo.jpg" alt="The Word of the Day (Bravo): Because One Word Can Change Your Life"><div class="book-title">The Word of the Day (Bravo): Because One Word Can Change Your Life</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#12 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/resilientmind1.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_journal1.jpg" alt="The Resilient Mind 1"><div class="book-title">The Resilient Mind 1</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#13 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/alpha.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_alpha.jpg" alt="The Word of the Day (Alpha): Because One Word Can Change Your Life"><div class="book-title">The Word of the Day (Alpha): Because One Word Can Change Your Life</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#14 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/resilientmind2.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_journal2.jpg" alt="The Resilient Mind 2"><div class="book-title">The Resilient Mind 2</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#15 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/bump.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_bump.jpg" alt="Bump"><div class="book-title">Bump</div></a></div><div class="book-card" style="border:1px solid #ddd;"><div class="rank-badge">#16 Trending</div><div class="hot-badge">Trending Now</div><a href="https://elguser.com/resilientmind3.php" target="_blank" rel="noopener noreferrer" style="text-decoration:none;"><img class="book-img" src="https://libraryusergroup.com/books/thumbnails/tn_journal3.jpg" alt="The Resilient Mind 3"><div class="book-title">The Resilient Mind 3</div></a></div></div></div>

<script>
function refreshTrendingBooks() {
    fetch(window.location.pathname + "?ajax=1&time=" + new Date().getTime())
        .then(response => response.text())
        .then(html => {
            document.getElementById("books-container").innerHTML = html;
            const updatedBox = document.getElementById("last-updated");
            const now = new Date();
            updatedBox.innerHTML = "Current update: " + now.toLocaleTimeString();
            updatedBox.classList.remove("update-blink");
            void updatedBox.offsetWidth;
            updatedBox.classList.add("update-blink");
        })
        .catch(error => console.error("Refresh failed:", error));
}
// setInterval(refreshTrendingBooks, 15000);
</script>
</body>
</html>