Restructure layout

src/main/resources/static/css/styles.css

@@ -399,6 +399,13 @@ body {
     background: #0b1220;
 }
 
+.assets-panel {
+    margin-top: 16px;
+    background: #0b1220;
+    border-top: 1px solid #1f2937;
+    padding: 18px;
+}
+
 .controls ul {
     list-style: none;
     padding: 0;
@@ -588,6 +595,11 @@ body {
     box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.6);
 }
 
+.asset-item.is-hidden {
+    opacity: 0.72;
+    border-style: dashed;
+}
+
 .asset-row {
     display: flex;
     align-items: center;
@@ -614,6 +626,10 @@ body {
     gap: 8px;
 }
 
+.asset-meta-badges {
+    margin-top: 4px;
+}
+
 .asset-detail {
     margin-top: 4px;
 }

src/main/resources/static/js/admin.js

@@ -29,14 +29,27 @@ const selectedAssetName = document.getElementById('selected-asset-name');
 const selectedZLabel = document.getElementById('asset-z-level');
 const selectedTypeLabel = document.getElementById('asset-type-label');
 const selectedVisibilityBadge = document.getElementById('selected-asset-visibility');
+const selectedZBadge = document.getElementById('asset-z-badge');
+const selectedAspectBadge = document.getElementById('asset-aspect-label');
 const selectedToggleBtn = document.getElementById('selected-asset-toggle');
 const selectedDeleteBtn = document.getElementById('selected-asset-delete');
 const playbackSection = document.getElementById('playback-section');
 const controlsPlaceholder = document.getElementById('asset-controls-placeholder');
 const aspectLockState = new Map();
+const commitSizeChange = debounce(() => applyTransformFromInputs(), 180);
+
+function debounce(fn, wait = 150) {
+    let timeout;
+    return (...args) => {
+        clearTimeout(timeout);
+        timeout = setTimeout(() => fn(...args), wait);
+    };
+}
 
 if (widthInput) widthInput.addEventListener('input', () => handleSizeInputChange('width'));
+if (widthInput) widthInput.addEventListener('change', () => commitSizeChange());
 if (heightInput) heightInput.addEventListener('input', () => handleSizeInputChange('height'));
+if (heightInput) heightInput.addEventListener('change', () => commitSizeChange());
 if (speedInput) speedInput.addEventListener('input', updatePlaybackFromInputs);
 if (muteInput) muteInput.addEventListener('change', updateMuteFromInput);
 if (selectedToggleBtn) selectedToggleBtn.addEventListener('click', (event) => {
@@ -642,9 +655,7 @@ function renderAssetList() {
         if (asset.id === selectedAssetId) {
             li.classList.add('selected');
         }
-        if (asset.hidden) {
-            li.classList.add('hidden');
-        }
+        li.classList.toggle('is-hidden', !!asset.hidden);
 
         const row = document.createElement('div');
         row.className = 'asset-row';
@@ -656,10 +667,21 @@ function renderAssetList() {
         const name = document.createElement('strong');
         name.textContent = asset.name || `Asset ${asset.id.slice(0, 6)}`;
         const details = document.createElement('small');
-        details.textContent = `Z ${asset.zIndex ?? 1} · ${Math.round(asset.width)}x${Math.round(asset.height)} · ${getDisplayMediaType(asset)} · ${asset.hidden ? 'Hidden' : 'Visible'}`;
+        details.textContent = `${Math.round(asset.width)}x${Math.round(asset.height)}`;
         meta.appendChild(name);
         meta.appendChild(details);
 
+        const badges = document.createElement('div');
+        badges.className = 'badge-row asset-meta-badges';
+        badges.appendChild(createBadge(asset.hidden ? 'Hidden' : 'Visible', asset.hidden ? 'danger' : ''));
+        badges.appendChild(createBadge(getDisplayMediaType(asset)));
+        badges.appendChild(createBadge(`Z ${asset.zIndex ?? 1}`));
+        const aspectLabel = formatAspectRatioLabel(asset);
+        if (aspectLabel) {
+            badges.appendChild(createBadge(aspectLabel, 'subtle'));
+        }
+        meta.appendChild(badges);
+
         const actions = document.createElement('div');
         actions.className = 'actions';
 
@@ -712,6 +734,13 @@ function renderAssetList() {
     });
 }
 
+function createBadge(label, extraClass = '') {
+    const badge = document.createElement('span');
+    badge.className = `badge ${extraClass}`.trim();
+    badge.textContent = label;
+    return badge;
+}
+
 function createPreviewElement(asset) {
     if (isVideoAsset(asset)) {
         const video = document.createElement('video');
@@ -751,6 +780,12 @@ function updateSelectedAssetControls(asset = getSelectedAsset()) {
     if (selectedTypeLabel) {
         selectedTypeLabel.textContent = getDisplayMediaType(asset);
     }
+    if (selectedZBadge) {
+        selectedZBadge.textContent = `Z ${asset.zIndex ?? 1}`;
+    }
+    if (selectedAspectBadge) {
+        selectedAspectBadge.textContent = formatAspectRatioLabel(asset) || 'Aspect —';
+    }
     if (selectedVisibilityBadge) {
         selectedVisibilityBadge.textContent = asset.hidden ? 'Hidden' : 'Visible';
         selectedVisibilityBadge.classList.toggle('danger', !!asset.hidden);
@@ -925,6 +960,15 @@ function getAssetAspectRatio(asset) {
     return null;
 }
 
+function formatAspectRatioLabel(asset) {
+    const ratio = getAssetAspectRatio(asset);
+    if (!ratio) {
+        return '';
+    }
+    const normalized = ratio >= 1 ? `${ratio.toFixed(2)}:1` : `1:${(1 / ratio).toFixed(2)}`;
+    return `AR ${normalized}`;
+}
+
 function setAspectLock(assetId, locked) {
     aspectLockState.set(assetId, locked);
 }
@@ -936,7 +980,11 @@ function isAspectLocked(assetId) {
 function handleSizeInputChange(type) {
     lastSizeInputChanged = type;
     const asset = getSelectedAsset();
-    if (!asset || !isAspectLocked(asset.id)) {
+    if (!asset) {
+        return;
+    }
+    if (!isAspectLocked(asset.id)) {
+        commitSizeChange();
         return;
     }
     const ratio = getAssetAspectRatio(asset);
@@ -954,6 +1002,7 @@ function handleSizeInputChange(type) {
             widthInput.value = Math.round(height * ratio);
         }
     }
+    commitSizeChange();
 }
 
 function updateVisibility(asset, hidden) {

src/main/resources/templates/admin.html

@@ -19,7 +19,11 @@
             </form>
         </div>
     </header>
-    <section class="controls">
+    <section class="overlay" id="admin-overlay">
+        <iframe th:src="${'https://player.twitch.tv/?channel=' + broadcaster + '&parent=localhost'}" allowfullscreen></iframe>
+        <canvas id="admin-canvas"></canvas>
+    </section>
+    <section class="controls assets-panel">
         <div>
             <h3>Overlay assets</h3>
             <p>Upload overlay visuals and adjust them inline.</p>
@@ -44,6 +48,8 @@
                 <div class="badge-row stacked">
                     <span class="badge subtle" id="selected-asset-visibility">Visible</span>
                     <span class="badge subtle" id="asset-type-label"></span>
+                    <span class="badge subtle" id="asset-z-badge"></span>
+                    <span class="badge subtle" id="asset-aspect-label"></span>
                 </div>
 
                 <div class="panel-section">
@@ -101,15 +107,10 @@
                 <div class="control-actions filled compact">
                     <button type="button" onclick="nudgeRotation(-5)" class="secondary" title="Rotate left"><i class="fa-solid fa-rotate-left"></i></button>
                     <button type="button" onclick="nudgeRotation(5)" class="secondary" title="Rotate right"><i class="fa-solid fa-rotate-right"></i></button>
-                    <button type="button" onclick="applyTransformFromInputs()" title="Apply size"><i class="fa-solid fa-floppy-disk"></i><span class="sr-only">Apply size</span></button>
                 </div>
             </div>
         </div>
     </section>
-    <section class="overlay" id="admin-overlay">
-        <iframe th:src="${'https://player.twitch.tv/?channel=' + broadcaster + '&parent=localhost'}" allowfullscreen></iframe>
-        <canvas id="admin-canvas"></canvas>
-    </section>
 </div>
 <script th:inline="javascript">
     const broadcaster = /*[[${broadcaster}]]*/ '';