Style improvements for file uploads and related.

src/routes/events/[event_id]/sign_in_out.svelte

@@ -1,16 +1,25 @@
 <script lang="ts">
-// /** @type {import('./$types').PageData} */
-export let data: any;
+interface Props {
+    // /** @type {import('./$types').PageData} */
+    data: any;
+    event_session_id: string;
+    lq__event_session_obj: any;
+    lq__auth__event_presenter_obj: any;
+}
+
+let {
+    data,
+    event_session_id,
+    lq__event_session_obj,
+    lq__auth__event_presenter_obj
+}: Props = $props();
+
 import { browser } from '$app/environment';
 import { goto } from '$app/navigation';
 
 import { ae_snip, ae_loc, ae_sess, ae_api, ae_trig, slct, slct_trigger } from '$lib/ae_stores';
 import { events_loc, events_sess, events_slct, events_trigger, events_trig_kv } from '$lib/ae_events_stores';
 
-export let event_session_id: string;
-export let lq__event_session_obj: any;
-export let lq__auth__event_presenter_obj: any;
-
 if (browser) {
     console.log('Browser environment detected.');
 
@@ -169,7 +178,7 @@ function sign_out() {
 <button
     type="button"
     class="btn btn-sm preset-tonal-warning"
-    on:click={() => {
+    onclick={() => {
         sign_out();
         alert('You have been signed out.');
     }}
@@ -193,18 +202,18 @@ function sign_out() {
         class="input max-w-36"
         placeholder="Key"
         value={$events_sess.auth__entered_key ?? ''}
-        on:input={(e) => $events_sess.auth__entered_key = e.target.value}
+        oninput={(e) => $events_sess.auth__entered_key = e.target?.value}
         >
     <input
         type="text"
         class="input max-w-36"
         placeholder="Passcode"
         value={$events_sess.auth__entered_passcode ?? ''}
-        on:input={(e) => $events_sess.auth__entered_passcode = e.target.value}
+        oninput={(e) => $events_sess.auth__entered_passcode = e.target?.value}
         >
     <button
         class="btn btn-md preset-tonal-primary border border-primary-500"
-        on:click={() => {
+        onclick={() => {
             console.log('Sign in with URL values');
 
             if ($events_sess.auth__person.presenter_id) {