sec: enforce global auth and remove registration

internal/templates/auth.templ

@@ -0,0 +1,18 @@
+package templates
+
+templ Login() {
+	@Layout("Login") {
+		<h2>Login</h2>
+		<form action="/login" method="POST" style="max-width: 300px; margin: 0 auto; padding: 20px; border: 1px solid var(--border); background-color: var(--bg);">
+			<div style="margin-bottom: 15px;">
+				<label for="username" style="display: block; margin-bottom: 5px;">Email</label>
+				<input type="text" id="username" name="username" required style="width: 100%; padding: 8px; box-sizing: border-box;" />
+			</div>
+			<div style="margin-bottom: 15px;">
+				<label for="password" style="display: block; margin-bottom: 5px;">Password</label>
+				<input type="password" id="password" name="password" required style="width: 100%; padding: 8px; box-sizing: border-box;" />
+			</div>
+			<button type="submit" style="width: 100%; padding: 10px; cursor: pointer;">Login</button>
+		</form>
+	}
+}