design login page

login.html

@@ -1,50 +1,160 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
-<meta charset="utf-8">
+        <meta charset="utf-8" />
-<meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
         <title>Login</title>
-<link rel="stylesheet" href="./lib/basic.css">
+        <link rel="stylesheet" href="./lib/basic.css" />
-<script src="./auth.js"></script>
+        <script src="./auth.js" defer></script>
-<script src="./lib/basic.js"></script>
+        <script src="./lib/basic.js" defer></script>
+        <style>
+            * {
+                box-sizing: border-box;
+                margin: 0;
+                padding: 0;
+                font-family: Arial, sans-serif;
+            }
+
+            body {
+                display: flex;
+                justify-content: center;
+                align-items: center;
+                height: 100vh;
+                background-color: #f6f8fa;
+            }
+
+            .login-card {
+                background-color: #fff;
+                padding: 2.5rem 2rem;
+                border-radius: 8px;
+                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+                width: 100%;
+                max-width: 400px;
+            }
+
+            .login-card h1 {
+                text-align: center;
+                margin-bottom: 1.5rem;
+                font-size: 1.5rem;
+            }
+
+            label {
+                display: block;
+                margin-bottom: 0.3rem;
+                font-weight: 600;
+                font-size: 0.9rem;
+            }
+
+            input {
+                width: 100%;
+                padding: 0.5rem 0.75rem;
+                margin-bottom: 1rem;
+                border: 1px solid #d1d5da;
+                border-radius: 6px;
+                font-size: 1rem;
+            }
+
+            button {
+                width: 100%;
+                padding: 0.6rem;
+                background-color: #2ea44f;
+                color: #fff;
+                border: none;
+                border-radius: 6px;
+                font-size: 1rem;
+                font-weight: 600;
+                cursor: pointer;
+            }
+
+            button:hover {
+                background-color: #279f43;
+            }
+
+            .signup-text {
+                text-align: center;
+                margin-top: 1rem;
+                font-size: 0.9rem;
+            }
+
+            .signup-text a {
+                color: #0366d6;
+                text-decoration: none;
+            }
+
+            .signup-text a:hover {
+                text-decoration: underline;
+            }
+        </style>
     </head>
     <body>
+        <div class="login-card">
+            <h1>Sign in</h1>
 
-<input id="username"><br>
+            <label for="username">Username</label>
-<input type="password" id="password">
+            <input
+                type="text"
+                id="username"
+                name="username"
+                autocomplete="username"
+                autocapitalize="off"
+                autocorrect="off"
+                required
+                autofocus
+            />
 
-<button onclick="login()">Submit</button>
+            <label for="password">Password</label>
+            <input
+                type="password"
+                id="password"
+                name="password"
+                autocomplete="current-password"
+                required
+            />
+
+            <button type="button" onclick="login()">Sign in</button>
+
+            <div class="signup-text">
+                Don't have an account yet? <a href="signup.html">Sign up</a>
+            </div>
+        </div>
 
         <script>
-
             const couchDB = new CouchDB();
 
             async function getData() {
-	let res = await couchDB.get("users");
+                try {
-	if (!res) res = {};
+                    const res = await couchDB.get("users");
-	return res;
+                    return res || {};
+                } catch (e) {
+                    console.error("Failed to get users:", e);
+                    return {};
+                }
             }
 
             async function login() {
                 const data = await getData();
-	const username = getId("username").value.toLowerCase();
+                const username = document
-	const password = getId("password").value;
+                    .getElementById("username")
+                    .value.trim()
+                    .toLowerCase();
+                const password = document.getElementById("password").value;
 
                 const user = data[username];
-	//{"turtle":{"password": "password","level":1}}
                 if (user == undefined) {
-		alert("Falscher Nutzername!");
+                    return alert("User doesn't exist!");
-		return;
                 }
                 if (user.password != password) {
-		alert("Falsches Passwort!");
+                    return alert("Incorrect password!");
+                }
+                if (user.role === "student") {
+                    location.href =
+                        "./student/uebersicht.html?user=" + username;
+                    return;
+                } else {
+                    location.href = "./prof/uebersicht.html?user=" + username;
                     return;
                 }
-	
-	location.href = "./prof/uebersicht.html?user=" + username;
             }
-
         </script>
-	
     </body>
 </html>