diff --git a/assets index/script.js b/assets index/script.js
new file mode 100644
index 0000000..5c5ba1a
--- /dev/null
+++ b/assets index/script.js
@@ -0,0 +1,115 @@
+const card = document.getElementById("authCard");
+const loginForm = document.getElementById("loginForm");
+const registerForm = document.getElementById("registerForm");
+
+// 1. FUNGSI MENGATUR TINGGI (RESIZE OTOMATIS)
+function setHeight() {
+ const isActive = card.classList.contains("active");
+ // Hitung tinggi form yang sedang aktif (termasuk jika ada error box)
+ const formHeight = isActive ? registerForm.offsetHeight : loginForm.offsetHeight;
+
+ // Terapkan tinggi ke card
+ card.style.height = formHeight + "px";
+}
+
+// 2. FUNGSI PINDAH LOGIN <-> REGISTER
+function toggleAuth(mode) {
+ // Reset Error Box saat pindah
+ document.getElementById("loginError").style.display = "none";
+ document.getElementById("regError").style.display = "none";
+
+ if (mode === 'register') {
+ card.classList.add("active");
+ } else {
+ card.classList.remove("active");
+ }
+
+ // Tunggu animasi slide sebentar, baru resize
+ setTimeout(setHeight, 50);
+}
+
+// 3. DETEKSI ERROR DARI PHP
+window.addEventListener("DOMContentLoaded", function() {
+ setHeight(); // Set tinggi awal
+
+ const urlParams = new URLSearchParams(window.location.search);
+ const errorStatus = urlParams.get('error');
+
+ if (errorStatus === 'gagal') {
+ const errorBox = document.getElementById("loginError");
+ errorBox.innerText = "Username atau Password salah!";
+ errorBox.style.display = "block";
+
+ setHeight();
+ window.history.replaceState(null, null, window.location.pathname);
+ }
+});
+
+window.addEventListener("resize", setHeight);
+
+// 4. EFEK GLITTER (HIASAN)
+document.addEventListener("DOMContentLoaded", function () {
+ for (let i = 0; i < 15; i++) {
+ const g = document.createElement("div");
+ g.className = "glitter";
+ g.style.setProperty("--x", (Math.random() * 200 - 100) + "px");
+ g.style.setProperty("--y", (Math.random() * 200 - 100) + "px");
+ g.style.left = (Math.random() * 100) + "%";
+ g.style.top = (Math.random() * 100) + "%";
+ g.style.animationDelay = (Math.random() * 2) + "s";
+ card.appendChild(g);
+ }
+});
+
+// ==========================================
+// 5. VALIDASI REGISTER (YANG BARU DITAMBAHKAN)
+// ==========================================
+if (registerForm) {
+ registerForm.addEventListener("submit", function(event) {
+ // Tahan pengiriman form ke PHP dulu
+ event.preventDefault();
+
+ // Ambil nilai dari inputan (Pastikan ID di HTML sudah sesuai ya!)
+ const username = document.getElementById("regUser").value;
+ const email = document.getElementById("regEmail").value;
+ const password = document.getElementById("regPass").value;
+ const confirmPassword = document.getElementById("regConfirm").value;
+
+ // Fungsi helper untuk menampilkan error di kotak merah Register
+ function showError(pesan) {
+ const errorBox = document.getElementById("regError");
+ errorBox.innerText = pesan;
+ errorBox.style.display = "block";
+ setHeight(); // PENTING: Resize kartu agar pesan error muat
+ }
+
+ // --- Mulai Cek Validasi ---
+
+ // 1. Cek Kosong
+ if (!username || !email || !password || !confirmPassword) {
+ showError("Semua field harus diisi!");
+ return;
+ }
+
+ // 2. Cek Format Email
+ if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
+ showError("Format email tidak valid");
+ return;
+ }
+
+ // 3. Cek Panjang Password
+ if (password.length < 6) {
+ showError("Password minimal 6 karakter");
+ return;
+ }
+
+ // 4. Cek Kesamaan Password
+ if (password !== confirmPassword) {
+ showError("Password dan konfirmasi password tidak cocok");
+ return;
+ }
+
+ // Jika semua aman, baru kirim ke auth.php
+ this.submit();
+ });
+}
\ No newline at end of file
diff --git a/assets index/style.css b/assets index/style.css
new file mode 100644
index 0000000..9d7e49a
--- /dev/null
+++ b/assets index/style.css
@@ -0,0 +1,127 @@
+* { box-sizing: border-box; }
+
+body {
+ margin: 0;
+ font-family: 'Segoe UI', Arial, sans-serif;
+ background: linear-gradient(135deg, #d9a7ff, #fbc2eb, #a1c4fd);
+ min-height: 100vh;
+ display: flex;
+ justify-content: center;
+ align-items: center;
+ overflow-x: hidden;
+}
+
+/* --- 2. CONTAINER KARTU (DENGAN ANIMASI RESIZE) --- */
+.auth-card {
+ width: 380px;
+ background: rgba(255, 255, 255, 0.95);
+ backdrop-filter: blur(12px);
+ border-radius: 25px;
+ box-shadow: 0 10px 30px rgba(0,0,0,0.2);
+ overflow: hidden;
+ position: relative;
+ z-index: 10;
+ /* PENTING: Transisi halus saat tinggi berubah */
+ transition: height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
+}
+
+.form-wrapper {
+ width: 100%;
+}
+
+.forms-container {
+ display: flex;
+ width: 200%; /* Lebar 200% untuk menampung Login & Register berdampingan */
+ transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
+ align-items: flex-start;
+}
+
+.auth-card.active .forms-container {
+ transform: translateX(-50%); /* Geser ke kiri untuk menampilkan Register */
+}
+
+/* --- 3. STYLING FORM --- */
+form {
+ width: 50%;
+ flex-shrink: 0;
+ padding: 40px;
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+}
+
+h2 {
+ margin: 0 0 10px;
+ text-align: center;
+ font-size: 26px;
+ background: linear-gradient(45deg, purple, hotpink);
+ -webkit-background-clip: text;
+ background-clip: text;
+ color: transparent;
+}
+
+.subtitle {
+ text-align: center; color: gray; font-size: 14px; margin-bottom: 25px;
+}
+
+label {
+ font-size: 14px; color: #444; width: 100%; margin-bottom: 6px; font-weight: bold;
+}
+
+input {
+ width: 100%; padding: 12px; border-radius: 12px;
+ border: 2px solid #ccc; background: #fafafa;
+ margin-bottom: 15px; font-size: 14px; transition: 0.3s;
+}
+
+input:focus { outline: none; border-color: purple; background: #fff; box-shadow: 0 0 8px rgba(128, 0, 128, 0.1); }
+
+/* Tombol */
+.btn-submit {
+ width: 100%; padding: 14px;
+ background: linear-gradient(45deg, purple, hotpink);
+ color: white; border-radius: 15px; border: none;
+ cursor: pointer; font-size: 16px; font-weight: bold;
+ transition: 0.25s ease; margin-top: 10px;
+ box-shadow: 0 4px 15px rgba(128, 0, 128, 0.2);
+}
+.btn-submit:hover { transform: scale(1.02); }
+
+/* Link Switch */
+.switch-text { margin-top: 20px; font-size: 14px; color: #555; }
+.switch-text a { color: purple; text-decoration: none; font-weight: bold; cursor: pointer; }
+.switch-text a:hover { text-decoration: underline; }
+
+/* --- ERROR BOX (KOTAK MERAH) --- */
+.error-box {
+ width: 100%;
+ color: #d8000c;
+ background: #ffbaba;
+ border: 1px solid #ff7675;
+ padding: 12px;
+ border-radius: 10px;
+ margin-bottom: 20px;
+ font-size: 13px;
+ text-align: center;
+ display: none; /* Default sembunyi */
+ font-weight: bold;
+ animation: fadeIn 0.3s;
+}
+
+@keyframes fadeIn {
+ from { opacity: 0; transform: translateY(-10px); }
+ to { opacity: 1; transform: translateY(0); }
+}
+
+/* Dekorasi Buah */
+.fruit { position: absolute; width: 90px; opacity: 0.85; animation: float 6s infinite ease-in-out, drift 15s infinite linear; pointer-events: none; z-index: 1; }
+.f1 { top: 8%; left: 10%; width: 80px; } .f2 { top: 65%; right: 12%; } .f3 { top: 22%; right: 55%; width: 60px; }
+.f4 { bottom: 15%; left: 28%; } .f5 { bottom: 10%; right: 30%; width: 70px; } .f6 { top: 40%; left: 50%; }
+.f7 { bottom: 30%; left: 15%; width: 50px; } .f8 { top: 75%; right: 40%; } .f9 { top: 50%; left: 80%; width: 85px; }
+.f10 { bottom: 20%; right: 5%; }
+@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px) rotate(6deg); } }
+@keyframes drift { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(15px); } }
+
+/* Glitter */
+.glitter { position: absolute; width: 4px; height: 4px; background: purple; border-radius: 50%; opacity: 0; animation: glitter-burst 2s infinite ease-out; pointer-events: none; z-index: 11; }
+@keyframes glitter-burst { 0% { transform: scale(0.4); opacity: 0.9; } 100% { transform: scale(1) translate(var(--x), var(--y)); opacity: 0; } }
\ No newline at end of file
diff --git a/index.php b/index.php
index 5164117..4b4a7ee 100644
--- a/index.php
+++ b/index.php
@@ -7,137 +7,8 @@
Login & Register - Memory Game
+
-
@@ -198,127 +69,7 @@ input:focus { outline: none; border-color: purple; background: #fff; box-shadow:
-
+