fix(post-form): load FilePond CSS in head + real success confirmation

Three field-reported bugs, all root-caused on the isolated test server:

1+2. FilePond's stylesheet never loaded — the filepond field registers it via
   assets.addCss() during body render, too late for the theme's head-only
   {{ assets.css() }}. Photo tiles rendered as giant unstyled boxes that
   stacked and overlapped the rest of the form (Get Location/Weather, Submit),
   making it unusable and looking like upload errors. Load filepond.min.css +
   image-preview CSS in the head_assets block; hide the PQINA credit.

3. The success notice rendered at the top of a long, reset form (off-screen
   after submitting from the bottom) and .notices was unstyled on the dark
   theme. Style .notices; on load, scroll the confirmation into view and inject
   a 'View your journal' link (to site.active_trip) + 'Post another' CTA.

Verified in a browser: 3 photos render compact without overlap; post-submit
shows the confirmation + working view link.

themes/intotheeast/js/src/post-form.css

@@ -132,25 +132,68 @@
 .btn-action[disabled] { opacity: 0.5; cursor: not-allowed; }
 @keyframes post-spin { to { transform: rotate(360deg); } }
 
-/* Grav form save/validation messages (success + error from the server) */
-.post-form-wrap .form-messages { margin-bottom: var(--space-5); }
-.post-form-wrap .form-message {
-    padding: 0.875rem 1rem;
+/* Grav renders form status as <div class="notices success|error green|red">.
+   The theme doesn't style .notices, so on the dark background it was nearly
+   invisible — style it prominently here. */
+.post-form-wrap .notices {
+    padding: 1rem 1.1rem;
     border-radius: var(--radius-md);
-    font-size: var(--text-sm);
-    margin-bottom: var(--space-2);
-}
-.post-form-wrap .form-message.notice,
-.post-form-wrap .form-message.error {
-    background: var(--color-accent-light);
+    font-size: var(--text-base);
+    margin: 0 0 var(--space-5);
+    background: var(--color-canvas);
     color: var(--color-ink);
-    border: 1px solid var(--color-error);
+    border-left: 4px solid var(--color-accent);
 }
-.post-form-wrap .form-message.success {
+.post-form-wrap .notices p { margin: 0; }
+.post-form-wrap .notices.error,
+.post-form-wrap .notices.red { border-left-color: var(--color-error); }
+.post-form-wrap .notices.success,
+.post-form-wrap .notices.green { border-left-color: var(--color-accent); }
+
+/* Post-success confirmation CTA (injected by post-form.js). */
+.post-success {
+    margin: 0 0 var(--space-5);
+    padding: 1.1rem;
+    border-radius: var(--radius-md);
     background: var(--color-accent-light);
-    color: var(--color-ink);
     border: 1px solid var(--color-accent);
 }
+.post-success__title {
+    font-family: var(--font-ui);
+    font-size: var(--text-md);
+    font-weight: 600;
+    color: var(--color-ink);
+    margin: 0 0 var(--space-3);
+}
+.post-success__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
+.post-success__view {
+    flex: 1;
+    min-width: 140px;
+    text-align: center;
+    padding: 0.8rem 1rem;
+    min-height: 44px;
+    border-radius: var(--radius-md);
+    background: var(--color-accent);
+    color: var(--color-accent-on);
+    font-weight: 600;
+    text-decoration: none;
+}
+.post-success__again {
+    flex: 1;
+    min-width: 140px;
+    text-align: center;
+    padding: 0.8rem 1rem;
+    min-height: 44px;
+    border-radius: var(--radius-md);
+    background: transparent;
+    color: var(--color-ink);
+    border: 1px solid var(--color-border);
+    font-weight: 600;
+    text-decoration: none;
+}
+
+/* Hide FilePond's "Powered by PQINA" credit. */
+.filepond--credits { display: none !important; }
 
 /* ── EasyMDE — Field Notes dark theme (U5) ─────────────────── */
 .EasyMDEContainer .CodeMirror {

themes/intotheeast/js/src/post-form.js

@@ -457,11 +457,54 @@ function initDraft() {
     }
 }
 
+/* ── Post-success confirmation (issue: message was off-screen) ─────
+ * After a successful submit the page re-renders with Grav's success notice at
+ * the top of a long, reset form — easy to miss on mobile. Scroll it into view
+ * and add a "View your journal" / "Post another" CTA the owner can act on.
+ */
+function initSuccessState() {
+    var wrap = document.querySelector('.post-form-wrap');
+    var notice = document.querySelector('.post-form-wrap .notices.success, .post-form-wrap .notices.green');
+    if (!wrap || !notice) return;
+
+    var panel = document.createElement('div');
+    panel.className = 'post-success';
+
+    var title = document.createElement('p');
+    title.className = 'post-success__title';
+    title.textContent = '✓ Saved to your journal.';
+    panel.appendChild(title);
+
+    var actions = document.createElement('div');
+    actions.className = 'post-success__actions';
+
+    var tripUrl = wrap.getAttribute('data-trip-url');
+    if (tripUrl) {
+        var view = document.createElement('a');
+        view.className = 'post-success__view';
+        view.href = tripUrl;
+        view.textContent = 'View your journal →';
+        actions.appendChild(view);
+    }
+
+    var again = document.createElement('a');
+    again.className = 'post-success__again';
+    again.href = window.location.pathname; // reload /post fresh
+    again.textContent = 'Post another';
+    actions.appendChild(again);
+
+    panel.appendChild(actions);
+    notice.parentNode.insertBefore(panel, notice.nextSibling);
+
+    notice.scrollIntoView({ behavior: 'smooth', block: 'start' });
+}
+
 /* ── Boot ────────────────────────────────────────────────── */
 function boot() {
     // Exposed for U6 draft restore and the Playwright specs; null when this
     // bundle loads on a page without the content field.
     window.postFormEditor = initEditor();
+    initSuccessState();
     // Restore before disclosure/geo so their on-load checks (auto-open,
     // weather-button enable) see the restored values.
     initDraft();

themes/intotheeast/templates/post-form.html.twig

@@ -1,12 +1,18 @@
 {% extends 'default.html.twig' %}
 
 {% block head_assets %}
+    {# FilePond's own CSS must load from the <head>. The filepond field registers
+       it via assets.addCss() during body rendering, which is too late for the
+       theme's head-only {{ assets.css() }} — so the widget renders unstyled
+       (giant overlapping tiles) unless we add it here. #}
+    {% do assets.addCss('plugin://form/assets/filepond/filepond.min.css') %}
+    {% do assets.addCss('plugin://form/assets/filepond/filepond-plugin-image-preview.min.css') %}
     {% do assets.addCss('theme://css-compiled/post-form.css') %}
     <script type="module" src="{{ url('theme://js/post/post-form.js') }}"></script>
 {% endblock %}
 
 {% block content %}
-<div class="post-form-wrap">
+<div class="post-form-wrap" data-trip-url="{{ config.site.active_trip }}">
     <h1>New Entry</h1>
     {% include 'forms/form.html.twig' ignore missing %}