update : credit + edit container

assets/mainboard.css

@@ -0,0 +1,163 @@
+/* ================================
+1. BODY (KUNCI ANTI-SCROLL)
+================================== */
+body {
+  margin: 0;
+  font-family: Poppins, Arial, sans-serif;
+  background: linear-gradient(135deg, #d9a7ff, #fbc2eb, #a1c4fd);
+  height: 100vh; /* Kunci tinggi layar */
+  overflow: hidden; /* Hilangkan scrollbar */
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  position: relative;
+}
+
+/* ================================
+2. CONTAINER (UKURAN TETAP / STAY)
+================================== */
+.container {
+  width: 90%;
+  max-width: 800px;
+  background: rgba(255,255,255,0.7);
+  backdrop-filter: blur(15px);
+  padding: 25px 35px;
+  border-radius: 28px;
+  box-shadow: 0 15px 35px rgba(0,0,0,0.2);
+  z-index: 10;
+  display: flex;
+  flex-direction: column;
+  animation: fadeIn 0.6s ease-out;
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; transform: translateY(20px); }
+  to { opacity: 1; transform: translateY(0); }
+}
+
+/* Header & Tombol */
+.header {
+  background: rgba(255,255,255,0.65);
+  padding: 15px 22px;
+  border-radius: 20px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 20px;
+}
+
+.btn {
+  padding: 10px 20px;
+  border: none;
+  border-radius: 12px;
+  cursor: pointer;
+  font-size: 14px;
+  font-weight: bold;
+  transition: 0.25s;
+}
+.blue { background: linear-gradient(to right, #4facfe, #00f2fe); color: white; margin-right: 5px; }
+.gold { background: linear-gradient(to right, gold, orange); color: white; margin-right: 5px; }
+.gray { background: #444; color: white; }
+.btn:hover { transform: scale(1.05); }
+
+/* Judul & Grid */
+.title { text-align: center; margin-bottom: 20px; }
+.title h1 {
+  font-size: 38px;
+  margin: 0;
+  background: linear-gradient(purple, hotpink);
+  -webkit-background-clip: text;
+  background-clip: text;
+  color: transparent;
+}
+
+.stage-grid {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 20px;
+}
+.stage-btn {
+  background: white;
+  padding: 20px;
+  border-radius: 20px;
+  text-align: center;
+  cursor: pointer;
+  border: none;
+}
+.icon { font-size: 40px; display: block; }
+
+/* ================================
+3. BACKGROUND FRUITS
+================================== */
+.fruit {
+  position: absolute;
+  width: 90px;
+  opacity: 0.8;
+  animation: floatFruit 6s infinite ease-in-out;
+  pointer-events: none;
+  z-index: 1;
+}
+.f1 { top: 10%; left: 5%; }
+.f2 { bottom: 10%; right: 5%; }
+.f3 { top: 20%; right: 10%; }
+.f4 { bottom: 20%; left: 15%; }
+
+@keyframes floatFruit {
+  0%, 100% { transform: translateY(0) rotate(0deg); }
+  50% { transform: translateY(-20px) rotate(5deg); }
+}
+
+/* ================================
+4. OVERLAY CREDITS (ANIMASI JALAN)
+================================== */
+.credits-overlay {
+  position: fixed;
+  top: 0; left: 0; width: 100%; height: 100%;
+  background: rgba(0, 0, 0, 0.95);
+  backdrop-filter: blur(10px);
+  display: none; /* Muncul lewat JS */
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  z-index: 9999;
+  color: white;
+}
+
+.credits-box {
+  height: 60%;
+  width: 80%;
+  max-width: 500px;
+  overflow: hidden;
+  position: relative;
+  border-top: 1px solid rgba(255,255,255,0.2);
+  border-bottom: 1px solid rgba(255,255,255,0.2);
+}
+
+.credits-scroll {
+  position: absolute;
+  width: 100%;
+  text-align: center;
+  animation: scrollAnimation 15s linear infinite;
+}
+
+@keyframes scrollAnimation {
+  0% { top: 100%; }
+  100% { top: -120%; }
+}
+
+.credits-title { color: #ff419b; font-size: 2.5rem; margin-bottom: 30px; }
+.credits-section { margin-bottom: 30px; }
+.close-credits {
+  margin-top: 30px;
+  padding: 12px 40px;
+  background: white;
+  color: black;
+  border: none;
+  border-radius: 10px;
+  font-weight: bold;
+  cursor: pointer;
+}
+
+/* Musik */
+.music-container { position: fixed; top: 20px; right: 20px; z-index: 1000; }
+.music-btn { width: 50px; height: 50px; border-radius: 50%; border: none; cursor: pointer; font-size: 24px; background: white; }

assets/mainboard.js

@@ -0,0 +1,32 @@
+// LOGIKA MUSIK
+    const musicBtn = document.getElementById('musicBtn');
+    const bgMusic = document.getElementById('bgMusic');
+    let isMusicPlaying = false;
+
+    musicBtn.addEventListener('click', () => {
+      isMusicPlaying ? bgMusic.pause() : bgMusic.play();
+      musicBtn.innerText = isMusicPlaying ? '🔇' : '🔊';
+      isMusicPlaying = !isMusicPlaying;
+    });
+
+    // NAVIGATION
+    function selectStage(stage) {
+      window.location.href = "gameboard-" + stage + ".html";
+    }
+
+    document.getElementById("leaderboardBtn").addEventListener("click", () => {
+      window.location.href = "Leaderboard.html";
+    });
+
+    document.getElementById("logoutBtn").addEventListener("click", () => {
+      alert("Logout berhasil!");
+    });
+
+    // OVERLAY CREDITS
+    function openCredits() {
+        document.getElementById('creditsOverlay').style.display = 'flex';
+    }
+
+    function closeCredits() {
+        document.getElementById('creditsOverlay').style.display = 'none';
+    }

assets/script.js

@@ -28,19 +28,51 @@ function toggleAuth(mode) {
     setTimeout(setHeight, 50); 
 }
 
-// 3. DETEKSI ERROR DARI PHP
+// ==========================================
+// 3. DETEKSI PESAN DARI PHP (UPDATED)
+// ==========================================
 window.addEventListener("DOMContentLoaded", function() {
     setHeight(); // Set tinggi awal
 
     const urlParams = new URLSearchParams(window.location.search);
-    const errorStatus = urlParams.get('error');
+    
+    // 1. Tangkap Parameter
+    const loginError = urlParams.get('error');           // Untuk Login Gagal
+    const registerError = urlParams.get('register_error'); // Untuk Register Gagal
+    const successStatus = urlParams.get('success');      // Untuk Register Sukses
 
-    if (errorStatus === 'gagal') {
+    // 2. Logic Login Error
+    if (loginError === 'gagal') {
         const errorBox = document.getElementById("loginError");
-        errorBox.innerText = "Username atau Password salah!";
+        errorBox.innerHTML = "<p>Username atau Password salah!</p>";
+        errorBox.style.display = "block";
+        setHeight();
+    }
+
+    // 3. Logic Register Error (PENTING: Pindah tab ke Register dulu)
+    if (registerError) {
+        // Otomatis pindah ke mode register supaya user liat errornya
+        toggleAuth('register'); 
+        
+        const errorBox = document.getElementById("regError");
+        errorBox.innerHTML = "<p>" + registerError + "</p>";
         errorBox.style.display = "block";
         
+        // Tunggu transisi sebentar, lalu set tinggi lagi
+        setTimeout(setHeight, 100);
+    }
+
+    // 4. Logic Register Sukses
+    if (successStatus === 'register') {
+        const errorBox = document.getElementById("loginError");
+        // Pakai warna hijau biar kelihatan sukses
+        errorBox.innerHTML = "<p style='color: #2ecc71;'>Register Berhasil! Silakan Login.</p>";
+        errorBox.style.display = "block";
         setHeight();
+    }
+
+    // 5. Bersihkan URL (Supaya kalau di-refresh errornya hilang)
+    if (loginError || registerError || successStatus) {
         window.history.replaceState(null, null, window.location.pathname);
     }
 });

auth.php

@@ -13,6 +13,7 @@ if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
 /* =====================================================
    REGISTER
 ===================================================== */
+// Ini akan mendeteksi <input type="hidden" name="btn-register"> dari HTML
 if (isset($_POST['btn-register'])) {
 
     $username = trim($_POST['username']);
@@ -22,8 +23,7 @@ if (isset($_POST['btn-register'])) {
 
     // --- VALIDASI DASAR ---
     
-    if (!$username || !$email || !$password || !$confirm) {
+    if (empty($username) || empty($email) || empty($password) || empty($confirm)) {
-        // Balik ke index dengan pesan error
         header("Location: index.php?register_error=Data tidak boleh kosong");
         exit;
     }
@@ -51,7 +51,6 @@ if (isset($_POST['btn-register'])) {
     $cek->store_result();
 
     if ($cek->num_rows > 0) {
-        // INI YANG SEBELUMNYA MATI, SEKARANG REDIRECT:
         header("Location: index.php?register_error=Username atau Email sudah terdaftar!");
         exit;
     }
@@ -64,9 +63,8 @@ if (isset($_POST['btn-register'])) {
     $insert->bind_param("sss", $username, $email, $hash);
 
     if ($insert->execute()) {
-        // Register Berhasil -> Arahkan ke Login (atau mainboard)
+        // PERUBAHAN DISINI: Tambahkan ?success=register agar JS menampilkan pesan hijau
-        // Kita kosongkan error agar masuk ke state normal
+        header("Location: index.php?success=register"); 
-        header("Location: index.php"); 
         exit;
     } else {
         header("Location: index.php?register_error=Gagal mendaftar, coba lagi nanti.");
@@ -94,7 +92,6 @@ if (isset($_POST['btn-login'])) {
 
     // Cek Password
     if (!$user || !password_verify($password, $user['password'])) {
-        // Redirect dengan parameter 'error=gagal' agar ditangkap JS Login
         header("Location: index.php?error=gagal");
         exit;
     }

gameboard-easy.html

@@ -8,9 +8,8 @@
 <style>
 html, body {
   margin: 0;
-  height: 100%;
+  height: 100vh; /* Gunakan vh agar benar-benar setinggi layar */
-  overflow-x: hidden; 
+  overflow: hidden; /* Kunci agar tidak bisa scroll sama sekali */
-  overflow-y: auto;
   font-family: "Poppins", sans-serif;
 }
 
@@ -18,6 +17,7 @@ body {
   background: linear-gradient(135deg, #8929ff 30%, #ff419b 100%);
   display: flex;
   flex-direction: column;
+  height: 100vh; /* Memastikan body memenuhi layar */
 }
 
 /* OVERLAY COUNTDOWN */
@@ -84,6 +84,7 @@ body {
 
 .icon { font-size: 18px; }
 
+/* Update pada gameboard */
 .gameboard {
   flex: 1;
   display: grid;
@@ -91,14 +92,17 @@ body {
   grid-template-rows: repeat(3, 1fr);
   gap: 10px;
   padding: 10px;
-  box-sizing: border-box;   
+  box-sizing: border-box; 
+  overflow: hidden; /* Mencegah container ini meluap */
+  height: 0; /* Trik agar flex-grow (flex:1) menghitung tinggi dengan benar */
 }
 
+/* Update pada card agar ukurannya proporsional */
 .card {
   width: 100%;
   height: 100%;
   perspective: 1000px;
-  max-height: 160px;
+  /* Hapus max-height agar kartu mengikuti tinggi grid yang tersedia */
   cursor: pointer;
 }
 

index.php

@@ -35,7 +35,9 @@
                     </p>
                 </form>
 
-                <form id="registerForm" action="auth.php" method="POST">
+               <form id="registerForm" action="auth.php" method="POST">
+                    <input type="hidden" name="btn-register" value="true">
+                    
                     <h2>Buat Akun Baru ✨</h2>
                     <p class="subtitle">Daftar petualangan baru</p>
 
@@ -52,6 +54,7 @@
 
                     <label>Konfirmasi Password</label>
                     <input type="password" id="regConfirm" name="confirm_password" placeholder="Ulangi Password" required>
+
                     <button type="submit" class="btn-submit" name="btn-register">Daftar Sekarang</button>
 
                     <p class="switch-text">

mainboard.html

@@ -7,53 +7,34 @@
 
   <style>
 /* ================================
-BODY & BACKGROUND STYLES
+1. BODY (KUNCI ANTI-SCROLL)
 ================================== */
-
 body {
   margin: 0;
   font-family: Poppins, Arial, sans-serif;
   background: linear-gradient(135deg, #d9a7ff, #fbc2eb, #a1c4fd);
-  min-height: 100vh;
+  height: 100vh; /* Kunci tinggi layar */
-  overflow-x: hidden;
+  overflow: hidden; /* Hilangkan scrollbar */
-  overflow-y: auto;
   display: flex;
   justify-content: center;
-  padding: 50px 0;
+  align-items: center;
   position: relative;
 }
 
-
-/* Glow Background Floating */
-.bg-circle {
-  position: absolute;
-  border-radius: 50%;
-  filter: blur(70px);
-  opacity: 0.7;
-  animation: float 6s infinite ease-in-out;
-}
-
-.circle-one { top: 10%; left: 5%; width: 250px; height: 250px; background: rgba(255,255,255,0.25); }
-.circle-two { bottom: 15%; right: 8%; width: 300px; height: 300px; background: rgba(255,192,203,0.35); animation-delay: 1s; }
-.circle-three { top: 45%; left: 60%; width: 260px; height: 260px; background: rgba(180,120,255,0.35); animation-delay: 2s; }
-
-@keyframes float {
-  0%,100% { transform: translateY(0); }
-  50% { transform: translateY(-25px); }
-}
-
 /* ================================
-    CONTAINER CARD
+2. CONTAINER (UKURAN TETAP / STAY)
 ================================== */
-
 .container {
-  width: 750px;
+  width: 90%;
+  max-width: 800px;
   background: rgba(255,255,255,0.7);
   backdrop-filter: blur(15px);
-  padding: 45px;
+  padding: 25px 35px;
   border-radius: 28px;
   box-shadow: 0 15px 35px rgba(0,0,0,0.2);
   z-index: 10;
+  display: flex;
+  flex-direction: column;
   animation: fadeIn 0.6s ease-out;
 }
 
@@ -62,283 +43,239 @@ body {
   to { opacity: 1; transform: translateY(0); }
 }
 
-/* ================================
+/* Header & Tombol */
-    HEADER PROFILE 
-================================== */
-
 .header {
   background: rgba(255,255,255,0.65);
-  backdrop-filter: blur(15px);
+  padding: 15px 22px;
-  padding: 22px;
   border-radius: 20px;
   display: flex;
   justify-content: space-between;
   align-items: center;
-  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
+  margin-bottom: 20px;
-  margin-bottom: 35px;
 }
 
-.user-info {
-  display: flex;
-  align-items: center;
-  gap: 15px;
-}
-
-.user-icon {
-  width: 60px;
-  height: 60px;
-  border-radius: 50%;
-  background: linear-gradient(135deg, purple, hotpink);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  color: white;
-  font-size: 25px;
-  font-weight: bold;
-  box-shadow: 0 5px 18px rgba(0,0,0,0.22);
-}
-
-/* ================================
- 🎀 BUTTONS
-================================== */
-
 .btn {
-  padding: 12px 25px;
+  padding: 10px 20px;
   border: none;
-  border-radius: 14px;
+  border-radius: 12px;
   cursor: pointer;
-  font-size: 16px;
+  font-size: 14px;
-  transition: .25s;
-}
-
-.gold {
-  background: linear-gradient(to right, gold, orange);
-  color: white;
-}
-.gold:hover {
-  transform: scale(1.07);
-  box-shadow: 0 4px 12px rgba(255,165,0,0.4);
-}
-
-.gray {
-  background: #444;
-  color: white;
-}
-.gray:hover {
-  background: #222;
-  transform: scale(1.05);
-}
-
-/* ================================
- 📝 TITLE
-================================== */
-
-.title {
-  text-align: center;
-  margin: 40px 0;
-}
-
-.title h1 {
-  font-size: 46px;
-  background: linear-gradient(purple, hotpink);
-  background-clip: text;             /* Standar */
-  -webkit-background-clip: text;
-  color: transparent;
   font-weight: bold;
-  text-shadow: 0 0 10px rgba(255,255,255,0.2);
+  transition: 0.25s;
 }
+.blue { background: linear-gradient(to right, #4facfe, #00f2fe); color: white; margin-right: 5px; }
+.gold { background: linear-gradient(to right, gold, orange); color: white; margin-right: 5px; }
+.gray { background: #444; color: white; }
+.btn:hover { transform: scale(1.05); }
 
-/* ================================
+/* Judul & Grid */
- 🎮 STAGE SELECTION GRID
+.title { text-align: center; margin-bottom: 20px; }
-================================== */
+.title h1 {
+  font-size: 38px;
+  margin: 0;
+  background: linear-gradient(purple, hotpink);
+  -webkit-background-clip: text;
+  background-clip: text;
+  color: transparent;
+}
 
 .stage-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
-  gap: 30px;
+  gap: 20px;
 }
-
 .stage-btn {
-  background: rgba(255,255,255,0.65);
+  background: white;
-  backdrop-filter: blur(10px);
+  padding: 20px;
-  padding: 35px;
+  border-radius: 20px;
-  border-radius: 25px;
   text-align: center;
   cursor: pointer;
-  transition: .25s ease;
-  box-shadow: 0 12px 25px rgba(0,0,0,0.12);
-}
-
-.stage-btn:hover {
-  transform: scale(1.08);
-  background: rgba(255,255,255,0.88);
-  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
-}
-
-.icon {
-  font-size: 48px;
-  display: block;
-  margin-bottom: 12px;
-}
-
-.fruit {
-  position: absolute;
-  width: 95px;
-  opacity: .85;
-  animation: float 6s infinite ease-in-out, drift 15s infinite linear;
-  pointer-events: none;
-}
-
-.f1 { top: 8%; left: 10%; animation-delay: .3s; }
-.f2 { top: 65%; right: 12%; animation-delay: .7s; }
-.f3 { top: 22%; right: 55%; animation-delay: 1.1s; }
-.f4 { bottom: 15%; left: 28%; animation-delay: .9s; }
-.f5 { bottom: 10%; right: 30%; animation-delay: 1.4s; }
-.f6 { top: 40%; left: 50%; animation-delay: .5s; }
-.f7 { bottom: 30%; left: 15%; animation-delay: 1.2s; }
-.f8 { top: 75%; right: 40%; animation-delay: .8s; }
-.f9 { top: 50%; left: 80%; animation-delay: 1s; }
-.f10 { bottom: 20%; right: 5%; animation-delay: 1.3s; }
-
-@keyframes float {
-  0% { transform: translateY(0) rotate(0deg); }
-  50% { transform: translateY(-20px) rotate(6deg); }
-  100% { transform: translateY(0) rotate(0deg); }
-}
-
-@keyframes drift {
-  0% { transform: translateX(0); }
-  50% { transform: translateX(15px); }
-  100% { transform: translateX(0); }
-}
-
-/* STYLE TAMBAHAN UNTUK TOMBOL SPEAKER */
-.music-container {
-  position: fixed;
-  top: 20px;
-  right: 20px;
-  z-index: 1000;
-}
-
-.music-btn {
-  width: 50px;
-  height: 50px;
-  background: white;
-  border-radius: 50%;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  cursor: pointer;
-  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
-  font-size: 24px;
-  transition: 0.3s;
   border: none;
 }
+.icon { font-size: 40px; display: block; }
 
-.music-btn:hover {
+/* ================================
-  transform: scale(1.1);
+3. BACKGROUND FRUITS
+================================== */
+.fruit {
+  position: absolute;
+  width: 90px;
+  opacity: 0.8;
+  animation: floatFruit 6s infinite ease-in-out;
+  pointer-events: none;
+  z-index: 1;
+}
+.f1 { top: 10%; left: 5%; }
+.f2 { bottom: 10%; right: 5%; }
+.f3 { top: 20%; right: 10%; }
+.f4 { bottom: 20%; left: 15%; }
+
+@keyframes floatFruit {
+  0%, 100% { transform: translateY(0) rotate(0deg); }
+  50% { transform: translateY(-20px) rotate(5deg); }
 }
 
-  </style>
+/* ================================
+4. OVERLAY CREDITS (ANIMASI JALAN)
+================================== */
+.credits-overlay {
+  position: fixed;
+  top: 0; left: 0; width: 100%; height: 100%;
+  background: rgba(0, 0, 0, 0.95);
+  backdrop-filter: blur(10px);
+  display: none; /* Muncul lewat JS */
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  z-index: 9999;
+  color: white;
+}
 
+.credits-box {
+  height: 60%;
+  width: 80%;
+  max-width: 500px;
+  overflow: hidden;
+  position: relative;
+  border-top: 1px solid rgba(255,255,255,0.2);
+  border-bottom: 1px solid rgba(255,255,255,0.2);
+}
+
+.credits-scroll {
+  position: absolute;
+  width: 100%;
+  text-align: center;
+  animation: scrollAnimation 15s linear infinite;
+}
+
+@keyframes scrollAnimation {
+  0% { top: 100%; }
+  100% { top: -120%; }
+}
+
+.credits-title { color: #ff419b; font-size: 2.5rem; margin-bottom: 30px; }
+.credits-section { margin-bottom: 30px; }
+.close-credits {
+  margin-top: 30px;
+  padding: 12px 40px;
+  background: white;
+  color: black;
+  border: none;
+  border-radius: 10px;
+  font-weight: bold;
+  cursor: pointer;
+}
+
+/* Musik */
+.music-container { position: fixed; top: 20px; right: 20px; z-index: 1000; }
+.music-btn { width: 50px; height: 50px; border-radius: 50%; border: none; cursor: pointer; font-size: 24px; background: white; }
+  </style>
 </head>
 
 <body>
+
+  <img src="images/fruit1.png" class="fruit f1">
+  <img src="images/fruit2.png" class="fruit f2">
+  <img src="images/fruit3.png" class="fruit f3">
+  <img src="images/fruit4.png" class="fruit f4">
+
   <div class="music-container">
     <button id="musicBtn" class="music-btn">🔇</button>
   </div>
-  <audio id="bgMusic" loop>
+  <audio id="bgMusic" loop src="music/music_background.mp3"></audio>
-    <source src="music/music_background.mp3" type="audio/mpeg">
-  </audio>
 
   <div class="container">
-
+    <header class="header">
-    <img src="images/fruit1.png" class="fruit f1">
-    <img src="images/fruit2.png" class="fruit f2">
-    <img src="images/fruit3.png" class="fruit f3">
-    <img src="images/fruit4.png" class="fruit f4">
-    <img src="images/fruit5.png" class="fruit f5">
-    <img src="images/fruit6.png" class="fruit f6">
-    <img src="images/fruit7.png" class="fruit f7">
-    <img src="images/fruit8.png" class="fruit f8">
-    <img src="images/fruit9.png" class="fruit f9">
-    <img src="images/fruit10.png" class="fruit f10">
-
-    <header class="header glass">
       <div class="user-info">
-        <div>
+        <h2 style="margin:0">Player</h2>
-          <h2 id="username">Player</h2>
+        <p style="margin:0">🎮 Player</p>
-          <p id="role">🎮 Player</p>
-        </div>
       </div>
-
       <div class="actions">
-        <button id="leaderboardBtn" class="btn gold" onclick="window.location.href='leaderboard.html'">🏆 Leaderboard</button>
+        <button class="btn blue" onclick="openCredits()">ℹ️ Credit</button>
+        <button id="leaderboardBtn" class="btn gold">🏆 Leaderboard</button>
         <button id="logoutBtn" class="btn gray">🚪 Logout</button>
       </div>
     </header>
 
     <div class="title">
-      <h1 class="title">Memory Flip Card Game</h1>
+      <h1>Memory Flip Card</h1>
       <p>Pilih tingkat kesulitan untuk memulai permainan</p>
     </div>
 
     <div class="stage-grid">
-      <button class="stage-btn easy" onclick="selectStage('easy')">
+      <button class="stage-btn" onclick="selectStage('easy')">
         <span class="icon">😊</span>
         <h3>Easy Mode</h3>
-        <p>Grid 3x4 (12 kartu)</p>
       </button>
-
+      <button class="stage-btn" onclick="selectStage('medium')">
-      <button class="stage-btn medium" onclick="selectStage('medium')">
         <span class="icon">🤔</span>
         <h3>Medium Mode</h3>
-        <p>Grid 4x4 (16 kartu)</p>
       </button>
-
+      <button class="stage-btn" onclick="selectStage('hard')">
-      <button class="stage-btn hard" onclick="selectStage('hard')">
         <span class="icon">😤</span>
         <h3>Hard Mode</h3>
-        <p>Grid 4x5 (20 kartu)</p>
       </button>
     </div>
-
   </div>
 
-<script>
+  <div id="creditsOverlay" class="credits-overlay">
-// LOGIKA MUSIK
+    <div class="credits-box">
-const musicBtn = document.getElementById('musicBtn');
+      <div class="credits-scroll">
-const bgMusic = document.getElementById('bgMusic');
+        <h2 class="credits-title">CREDITS</h2>
-let isMusicPlaying = false;
+        <div class="credits-section">
+            <p><strong>KELOMPOK 2</strong></p>
+            <p>Evelyn Adi Gloria - 5803025026</p>
+            <p>Nathan Handoko S - 5803025001</p>
+            <p>Yustina Rizky S.P - 5803025041</p>
+            
+        </div>
+        <div class="credits-section">
+            <p><strong>PROJECT UAS</strong></p>
+            <p>MEMORI FLIP CARD</p>
+        </div>
+        <div class="credits-section">
+            <p><strong>SPECIAL THANKS</strong></p>
+            <p>Bu Devi dan Pak Andrew<br>dan teman-teman informatika</p>
+        </div>
+        <p>© 2025 UKWMS</p>
+      </div>
+    </div>
+    <button class="close-credits" onclick="closeCredits()">TUTUP</button>
+  </div>
 
-musicBtn.addEventListener('click', () => {
+  <script>
-  if (isMusicPlaying) {
+    // LOGIKA MUSIK
-    bgMusic.pause();
+    const musicBtn = document.getElementById('musicBtn');
-    musicBtn.innerText = '🔇';
+    const bgMusic = document.getElementById('bgMusic');
-  } else {
+    let isMusicPlaying = false;
-    bgMusic.play();
-    musicBtn.innerText = '🔊';
-  }
-  isMusicPlaying = !isMusicPlaying;
-});
 
-// Kodingan asli kamu tetap di bawah ini
+    musicBtn.addEventListener('click', () => {
-function selectStage(stage) {
+      isMusicPlaying ? bgMusic.pause() : bgMusic.play();
-  if (stage === "easy") {
+      musicBtn.innerText = isMusicPlaying ? '🔇' : '🔊';
-    window.location.href = "gameboard-easy.html";
+      isMusicPlaying = !isMusicPlaying;
-  } else if (stage === "medium") {
+    });
-    window.location.href = "gameboard-medium.html";
-  } else if (stage === "hard") {
-    window.location.href = "gameboard-hard.html";
-  }
-}
 
-document.getElementById("leaderboardBtn").addEventListener("click", () => {window.location.href = "Leaderboard.html"});
+    // NAVIGATION
+    function selectStage(stage) {
+      window.location.href = "gameboard-" + stage + ".html";
+    }
 
-document.getElementById("logoutBtn").addEventListener("click", () => {
+    document.getElementById("leaderboardBtn").addEventListener("click", () => {
-  alert("Logout berhasil!");
+      window.location.href = "Leaderboard.html";
-});
+    });
 
-</script>
+    document.getElementById("logoutBtn").addEventListener("click", () => {
+      alert("Logout berhasil!");
+    });
+
+    // OVERLAY CREDITS
+    function openCredits() {
+        document.getElementById('creditsOverlay').style.display = 'flex';
+    }
+
+    function closeCredits() {
+        document.getElementById('creditsOverlay').style.display = 'none';
+    }
+  </script>
 </body>
 </html>