diff --git a/ui/src/app.css b/ui/src/app.css
index 230fae2..f92a2ab 100644
--- a/ui/src/app.css
+++ b/ui/src/app.css
@@ -267,14 +267,17 @@ textarea {
   border: 1px solid var(--border);
   border-radius: var(--radius);
   padding: 8px 12px;
-  outline: none;
-  transition: all 0.2s ease;
+  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
   backdrop-filter: blur(4px);
   text-shadow: var(--text-glow);
 }
 
-input:focus,
-textarea:focus {
+input:focus-visible,
+textarea:focus-visible,
+button:focus-visible,
+a:focus-visible {
+  outline: 2px solid var(--accent);
+  outline-offset: 2px;
   border-color: var(--accent);
   box-shadow: 0 0 8px var(--border-glow);
 }
@@ -349,7 +352,7 @@ button:disabled {
 a {
   color: var(--accent);
   text-decoration: none;
-  transition: all 0.2s ease;
+  transition: color 0.2s ease, text-shadow 0.2s ease;
   text-shadow: 0 0 2px color-mix(in srgb, var(--accent) 50%, transparent);
 }
 
@@ -444,3 +447,19 @@ body.effects-disabled button:hover:not(:disabled) {
     transform: translate(0)
   }
 }
+
+@media (prefers-reduced-motion: reduce) {
+  *,
+  *::before,
+  *::after {
+    animation-duration: 0.01ms !important;
+    animation-iteration-count: 1 !important;
+    transition-duration: 0.01ms !important;
+    scroll-behavior: auto !important;
+  }
+
+  body:not(.effects-disabled)::before,
+  body:not(.effects-disabled)::after {
+    animation: none !important;
+  }
+}
diff --git a/ui/src/lib/components/ChannelList.svelte b/ui/src/lib/components/ChannelList.svelte
index 342d350..34bcd94 100644
--- a/ui/src/lib/components/ChannelList.svelte
+++ b/ui/src/lib/components/ChannelList.svelte
@@ -228,7 +228,7 @@
         {#if schema?.hasAccounts && isNamedAccount(entry.account)}
           <span class="account-name">{entry.account}</span>
         {/if}
-        <button class="icon-btn remove-btn" onclick={() => removeChannel(i)} title="Remove">&#215;</button>
+        <button class="icon-btn remove-btn" onclick={() => removeChannel(i)} aria-label="Remove channel" title="Remove"><span aria-hidden="true">&#215;</span></button>
       </div>
 
       <div class="channel-fields">
@@ -355,7 +355,7 @@
     padding: 1rem;
     margin-bottom: 0.75rem;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .channel-row:hover {
@@ -449,7 +449,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -486,7 +486,7 @@
     color: var(--fg-dim);
     font-size: 1rem;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .remove-btn:hover {
     background: color-mix(in srgb, var(--error, #e55) 15%, transparent);
@@ -514,7 +514,7 @@
     font-size: 0.8rem;
     font-family: var(--font-mono);
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-transform: uppercase;
     letter-spacing: 1px;
   }
@@ -552,7 +552,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .add-btn:hover {
     border-color: var(--accent);
@@ -591,7 +591,7 @@
     background: var(--bg-surface);
     border: 1px solid var(--border);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
   }
   .toggle-slider::before {
@@ -603,7 +603,7 @@
     top: 3px;
     background: var(--fg-dim);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .toggle input:checked + .toggle-slider {
     background: color-mix(in srgb, var(--accent) 20%, transparent);
@@ -654,7 +654,7 @@
     border-bottom: 1px solid var(--border);
     color: var(--fg);
     cursor: pointer;
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
     text-align: left;
     font-family: var(--font-mono);
   }
diff --git a/ui/src/lib/components/ComponentCard.svelte b/ui/src/lib/components/ComponentCard.svelte
index 34a5d83..d8f54f1 100644
--- a/ui/src/lib/components/ComponentCard.svelte
+++ b/ui/src/lib/components/ComponentCard.svelte
@@ -77,7 +77,7 @@
     border-radius: 4px;
     padding: 1.5rem;
     color: var(--fg);
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     backdrop-filter: blur(4px);
   }
 
@@ -165,7 +165,7 @@
     padding: 0.375rem 0.75rem;
     border-radius: 2px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-transform: uppercase;
     letter-spacing: 1px;
     font-weight: bold;
diff --git a/ui/src/lib/components/ConfigEditor.svelte b/ui/src/lib/components/ConfigEditor.svelte
index 03e8c55..278f853 100644
--- a/ui/src/lib/components/ConfigEditor.svelte
+++ b/ui/src/lib/components/ConfigEditor.svelte
@@ -185,7 +185,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, text-shadow 0.2s ease;
   }
   .mode-btn:first-child {
     border-radius: 2px 0 0 2px;
@@ -218,7 +218,7 @@
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 0 8px color-mix(in srgb, var(--accent) 30%, transparent);
   }
   .save-btn:hover:not(:disabled) {
@@ -275,11 +275,12 @@
     font-size: 0.875rem;
     resize: none;
     line-height: 1.6;
-    outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
   }
-  .raw-editor:focus {
+  .raw-editor:focus-visible {
+    outline: 2px solid var(--accent);
+    outline-offset: 2px;
     border-color: var(--accent);
     box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5), 0 0 8px var(--border-glow);
   }
diff --git a/ui/src/lib/components/ConfigEditorUI.svelte b/ui/src/lib/components/ConfigEditorUI.svelte
index 44be914..ec401d6 100644
--- a/ui/src/lib/components/ConfigEditorUI.svelte
+++ b/ui/src/lib/components/ConfigEditorUI.svelte
@@ -652,7 +652,7 @@
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .accordion-header:hover {
     background: color-mix(in srgb, var(--accent) 5%, transparent);
@@ -699,7 +699,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
     box-sizing: border-box;
   }
@@ -767,7 +767,7 @@
     font-size: 0.75rem;
     cursor: pointer;
     opacity: 0.6;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .remove-btn:hover {
     opacity: 1;
@@ -799,7 +799,7 @@
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     width: 100%;
   }
   .add-channel-btn:hover {
@@ -834,7 +834,7 @@
     text-align: left;
     cursor: pointer;
     font-family: var(--font-mono);
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
   .add-channel-dropdown button:hover {
     background: color-mix(in srgb, var(--accent) 15%, transparent);
diff --git a/ui/src/lib/components/InstanceCard.svelte b/ui/src/lib/components/InstanceCard.svelte
index dae88ef..7947915 100644
--- a/ui/src/lib/components/InstanceCard.svelte
+++ b/ui/src/lib/components/InstanceCard.svelte
@@ -92,7 +92,7 @@
     border: 1px solid var(--border);
     border-radius: 4px;
     color: var(--fg);
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     backdrop-filter: blur(4px);
   }
   .card:hover {
@@ -155,7 +155,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .card-actions button:hover {
diff --git a/ui/src/lib/components/LogViewer.svelte b/ui/src/lib/components/LogViewer.svelte
index 40ceba4..df4f58a 100644
--- a/ui/src/lib/components/LogViewer.svelte
+++ b/ui/src/lib/components/LogViewer.svelte
@@ -137,7 +137,7 @@
     font-family: var(--font-mono);
     text-transform: uppercase;
     letter-spacing: 0.8px;
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
   .source-btn:hover {
     background: color-mix(in srgb, var(--accent) 10%, transparent);
@@ -191,7 +191,7 @@
     font-family: var(--font-mono);
     text-transform: uppercase;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .clear-btn:hover {
     background: color-mix(in srgb, var(--accent) 20%, transparent);
diff --git a/ui/src/lib/components/ProviderList.svelte b/ui/src/lib/components/ProviderList.svelte
index 2ce08d4..800f785 100644
--- a/ui/src/lib/components/ProviderList.svelte
+++ b/ui/src/lib/components/ProviderList.svelte
@@ -389,18 +389,21 @@
             class="icon-btn"
             onclick={() => moveUp(i)}
             disabled={i === 0}
-            title="Move up">&#8593;</button
+            aria-label="Move provider up"
+            title="Move up"><span aria-hidden="true">&#8593;</span></button
           >
           <button
             class="icon-btn"
             onclick={() => moveDown(i)}
             disabled={i === entries.length - 1}
-            title="Move down">&#8595;</button
+            aria-label="Move provider down"
+            title="Move down"><span aria-hidden="true">&#8595;</span></button
           >
           <button
             class="icon-btn remove-btn"
             onclick={() => removeEntry(i)}
-            title="Remove">&#215;</button
+            aria-label="Remove provider"
+            title="Remove"><span aria-hidden="true">&#215;</span></button
           >
         </div>
       </div>
@@ -553,7 +556,7 @@
     padding: 1rem;
     margin-bottom: 0.75rem;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .provider-row:hover {
@@ -588,7 +591,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .provider-row-header select:focus {
@@ -614,7 +617,7 @@
     color: var(--fg-dim);
     font-size: 1rem;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .icon-btn:hover:not(:disabled) {
@@ -662,7 +665,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -749,7 +752,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .status-dot {
@@ -825,7 +828,7 @@
     cursor: pointer;
     text-align: left;
     font-family: var(--font-mono);
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
 
   .saved-item:last-child {
diff --git a/ui/src/lib/components/Sidebar.svelte b/ui/src/lib/components/Sidebar.svelte
index 0bf74a9..89a8d42 100644
--- a/ui/src/lib/components/Sidebar.svelte
+++ b/ui/src/lib/components/Sidebar.svelte
@@ -196,7 +196,7 @@
     font-size: 0.875rem;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     border-left: 3px solid transparent;
   }
 
@@ -264,7 +264,7 @@
     font-size: 0.875rem;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     border-left: 3px solid transparent;
   }
 
diff --git a/ui/src/lib/components/StructuredConfigEditor.svelte b/ui/src/lib/components/StructuredConfigEditor.svelte
index f1fdad1..e34c1fb 100644
--- a/ui/src/lib/components/StructuredConfigEditor.svelte
+++ b/ui/src/lib/components/StructuredConfigEditor.svelte
@@ -292,7 +292,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .field input:focus,
diff --git a/ui/src/lib/components/TopBar.svelte b/ui/src/lib/components/TopBar.svelte
index 36c0315..b8c373c 100644
--- a/ui/src/lib/components/TopBar.svelte
+++ b/ui/src/lib/components/TopBar.svelte
@@ -169,13 +169,14 @@
     font-family: var(--font-mono);
     font-size: 0.75rem;
     text-transform: uppercase;
-    outline: none;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
   }
 
-  .theme-select:focus,
+  .theme-select:focus-visible,
   .theme-select:hover {
+    outline: 2px solid var(--accent);
+    outline-offset: 2px;
     border-color: var(--accent);
     box-shadow: 0 0 8px var(--border-glow);
   }
diff --git a/ui/src/lib/components/WizardRenderer.svelte b/ui/src/lib/components/WizardRenderer.svelte
index 2aa04fe..c5284cf 100644
--- a/ui/src/lib/components/WizardRenderer.svelte
+++ b/ui/src/lib/components/WizardRenderer.svelte
@@ -580,7 +580,7 @@
     color: var(--fg-dim);
     cursor: pointer;
     padding: 0.25rem 0;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .step-dot:disabled { cursor: default; }
@@ -608,7 +608,7 @@
     font-size: 0.75rem;
     font-weight: 700;
     font-family: var(--font-mono);
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .step-label {
@@ -616,7 +616,7 @@
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .step-line {
@@ -624,7 +624,7 @@
     height: 1px;
     background: var(--border);
     margin: 0 0.75rem;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .step-line.completed { background: var(--accent); box-shadow: 0 0 4px var(--border-glow); }
 
@@ -659,7 +659,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -690,7 +690,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
     cursor: pointer;
   }
@@ -721,7 +721,7 @@
     letter-spacing: 1px;
     cursor: pointer;
     width: 100%;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     margin-top: 1rem;
   }
   .advanced-toggle:hover {
@@ -792,7 +792,7 @@
     font-size: 0.875rem;
     font-weight: 700;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-transform: uppercase;
     letter-spacing: 2px;
     text-shadow: var(--text-glow);
@@ -824,7 +824,7 @@
     font-size: 0.875rem;
     font-weight: 700;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-transform: uppercase;
     letter-spacing: 2px;
   }
diff --git a/ui/src/lib/components/WizardStep.svelte b/ui/src/lib/components/WizardStep.svelte
index 509213d..1a54184 100644
--- a/ui/src/lib/components/WizardStep.svelte
+++ b/ui/src/lib/components/WizardStep.svelte
@@ -236,7 +236,7 @@
     padding: 0.75rem 1rem;
     color: var(--fg);
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .option-btn:hover {
@@ -314,7 +314,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -351,7 +351,7 @@
     padding: 0.6rem 0.75rem;
     color: var(--fg);
     cursor: pointer;
-    transition: all 0.1s ease;
+    transition: background-color 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease, color 0.1s ease, transform 0.1s ease, text-shadow 0.1s ease;
   }
 
   .dropdown-item:last-child {
@@ -410,7 +410,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -446,7 +446,7 @@
     background: var(--bg-surface);
     border: 1px solid var(--border);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
   }
 
@@ -459,7 +459,7 @@
     top: 3px;
     background: var(--fg-dim);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .toggle input:checked + .toggle-slider {
diff --git a/ui/src/lib/components/orchestration/CheckpointTimeline.svelte b/ui/src/lib/components/orchestration/CheckpointTimeline.svelte
index 9b50f33..99b8065 100644
--- a/ui/src/lib/components/orchestration/CheckpointTimeline.svelte
+++ b/ui/src/lib/components/orchestration/CheckpointTimeline.svelte
@@ -80,7 +80,7 @@
     background: var(--border);
     border: 2px solid var(--fg-dim);
     flex-shrink: 0;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .dot.selected {
     background: var(--accent);
diff --git a/ui/src/lib/components/orchestration/InterruptPanel.svelte b/ui/src/lib/components/orchestration/InterruptPanel.svelte
index 136bcd5..5730d4a 100644
--- a/ui/src/lib/components/orchestration/InterruptPanel.svelte
+++ b/ui/src/lib/components/orchestration/InterruptPanel.svelte
@@ -30,9 +30,9 @@
   }
 </script>
 
-<!-- svelte-ignore a11y_click_events_have_key_events -->
-<div class="overlay" role="button" tabindex="-1" onclick={reject}>
-  <div class="panel" role="dialog" aria-label="Run interrupted" tabindex="-1" onclick={(e) => e.stopPropagation()} onkeydown={(e) => { if (e.key === 'Escape') reject(); }}>
+<div class="overlay">
+  <button type="button" class="backdrop" aria-label="Close dialog" onclick={reject}></button>
+  <div class="panel" role="dialog" aria-modal="true" aria-label="Run interrupted" tabindex="-1" onkeydown={(e) => { if (e.key === 'Escape') reject(); }}>
     <div class="panel-header">
       <span class="panel-title">Run Interrupted</span>
     </div>
@@ -70,20 +70,34 @@
   .overlay {
     position: fixed;
     inset: 0;
-    background: rgba(0, 0, 0, 0.6);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 100;
+  }
+  .backdrop {
+    position: absolute;
+    inset: 0;
+    background: rgba(0, 0, 0, 0.6);
     backdrop-filter: blur(2px);
+    border: none;
+    padding: 0;
+    margin: 0;
+    cursor: pointer;
+  }
+  .backdrop:focus-visible {
+    outline: 2px solid var(--accent);
+    outline-offset: -4px;
   }
   .panel {
+    position: relative;
     background: var(--bg-surface);
     border: 1px solid var(--warning);
     border-radius: 4px;
     width: 90%;
     max-width: 520px;
     box-shadow: 0 0 30px color-mix(in srgb, var(--warning) 20%, transparent);
+    overscroll-behavior: contain;
   }
   .panel-header {
     padding: 1rem 1.25rem;
@@ -145,9 +159,10 @@
     font-size: 0.8125rem;
     line-height: 1.5;
     resize: vertical;
-    outline: none;
   }
-  .state-editor:focus {
+  .state-editor:focus-visible {
+    outline: 2px solid var(--accent);
+    outline-offset: 2px;
     border-color: var(--accent-dim);
     box-shadow: 0 0 6px var(--border-glow);
   }
@@ -175,7 +190,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, text-shadow 0.2s ease;
   }
   .btn-reject {
     background: color-mix(in srgb, var(--error) 10%, transparent);
diff --git a/ui/src/lib/components/orchestration/StateInspector.svelte b/ui/src/lib/components/orchestration/StateInspector.svelte
index e2c4a44..1240784 100644
--- a/ui/src/lib/components/orchestration/StateInspector.svelte
+++ b/ui/src/lib/components/orchestration/StateInspector.svelte
@@ -130,7 +130,7 @@
     text-transform: uppercase;
     letter-spacing: 0.5px;
     cursor: pointer;
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
   .diff-toggle:hover {
     background: var(--bg-hover);
diff --git a/ui/src/routes/+page.svelte b/ui/src/routes/+page.svelte
index 19688db..9429707 100644
--- a/ui/src/routes/+page.svelte
+++ b/ui/src/routes/+page.svelte
@@ -91,7 +91,7 @@
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .install-btn:hover {
@@ -148,7 +148,7 @@
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
 
diff --git a/ui/src/routes/channels/+page.svelte b/ui/src/routes/channels/+page.svelte
index 69ed0d2..fdef9b3 100644
--- a/ui/src/routes/channels/+page.svelte
+++ b/ui/src/routes/channels/+page.svelte
@@ -529,7 +529,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -669,7 +669,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
 
@@ -705,7 +705,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
 
@@ -771,7 +771,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     font-size: 0.875rem;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .link-btn:hover {
@@ -811,7 +811,7 @@
     background: var(--bg-surface);
     border: 1px solid var(--border);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
   }
   .toggle-slider::before {
@@ -823,7 +823,7 @@
     top: 3px;
     background: var(--fg-dim);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .toggle input:checked + .toggle-slider {
     background: color-mix(in srgb, var(--accent) 20%, transparent);
diff --git a/ui/src/routes/dashboard/+page.svelte b/ui/src/routes/dashboard/+page.svelte
index 6361c1e..d25fc25 100644
--- a/ui/src/routes/dashboard/+page.svelte
+++ b/ui/src/routes/dashboard/+page.svelte
@@ -415,7 +415,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .window-selector button:hover {
     color: var(--fg);
diff --git a/ui/src/routes/instances/[component]/[name]/+page.svelte b/ui/src/routes/instances/[component]/[name]/+page.svelte
index 9f3c84f..4ec298b 100644
--- a/ui/src/routes/instances/[component]/[name]/+page.svelte
+++ b/ui/src/routes/instances/[component]/[name]/+page.svelte
@@ -1954,7 +1954,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
     text-decoration: none;
   }
@@ -1997,7 +1997,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .tabs button:hover {
     color: var(--accent);
@@ -2026,7 +2026,7 @@
     border: 1px solid var(--border);
     border-radius: 4px;
     backdrop-filter: blur(4px);
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .info-card:hover {
     border-color: color-mix(in srgb, var(--accent) 50%, transparent);
@@ -2264,7 +2264,7 @@
     background: var(--bg-surface);
     border: none;
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
   }
   .toggle-thumb {
@@ -2275,7 +2275,7 @@
     height: 14px;
     background: var(--fg-dim);
     border-radius: 2px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .toggle-btn.on .toggle-track {
     background: color-mix(in srgb, var(--accent) 20%, transparent);
diff --git a/ui/src/routes/orchestration/+page.svelte b/ui/src/routes/orchestration/+page.svelte
index 30a1417..7d76f62 100644
--- a/ui/src/routes/orchestration/+page.svelte
+++ b/ui/src/routes/orchestration/+page.svelte
@@ -187,7 +187,7 @@
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .action-btn:hover {
@@ -326,7 +326,7 @@
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .empty-state .btn:hover {
diff --git a/ui/src/routes/orchestration/runs/[id]/+page.svelte b/ui/src/routes/orchestration/runs/[id]/+page.svelte
index a715688..71dffd8 100644
--- a/ui/src/routes/orchestration/runs/[id]/+page.svelte
+++ b/ui/src/routes/orchestration/runs/[id]/+page.svelte
@@ -235,7 +235,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
     text-decoration: none;
   }
diff --git a/ui/src/routes/orchestration/runs/[id]/fork/+page.svelte b/ui/src/routes/orchestration/runs/[id]/fork/+page.svelte
index aaaf5fd..f3a5803 100644
--- a/ui/src/routes/orchestration/runs/[id]/fork/+page.svelte
+++ b/ui/src/routes/orchestration/runs/[id]/fork/+page.svelte
@@ -202,7 +202,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .fork-btn:hover:not(:disabled) {
diff --git a/ui/src/routes/orchestration/store/+page.svelte b/ui/src/routes/orchestration/store/+page.svelte
index 7824c9a..69d8236 100644
--- a/ui/src/routes/orchestration/store/+page.svelte
+++ b/ui/src/routes/orchestration/store/+page.svelte
@@ -364,7 +364,7 @@
     letter-spacing: 1px;
     cursor: pointer;
     white-space: nowrap;
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
   .btn-primary:hover:not(:disabled) {
     background: color-mix(in srgb, var(--accent) 25%, transparent);
@@ -504,7 +504,7 @@
     text-transform: uppercase;
     letter-spacing: 0.5px;
     cursor: pointer;
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
   .btn-danger-sm:hover {
     background: color-mix(in srgb, var(--error) 20%, transparent);
diff --git a/ui/src/routes/orchestration/workflows/+page.svelte b/ui/src/routes/orchestration/workflows/+page.svelte
index 1b2e15a..6c0ed98 100644
--- a/ui/src/routes/orchestration/workflows/+page.svelte
+++ b/ui/src/routes/orchestration/workflows/+page.svelte
@@ -126,7 +126,7 @@
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .action-btn:hover {
@@ -149,7 +149,7 @@
     background: var(--bg-surface);
     border: 1px solid var(--border);
     border-radius: 4px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .wf-card:hover {
     border-color: var(--accent-dim);
@@ -202,7 +202,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
   .btn-edit {
     background: var(--bg-surface);
@@ -290,7 +290,7 @@
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 1px;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .empty-state .btn:hover {
diff --git a/ui/src/routes/orchestration/workflows/[id]/+page.svelte b/ui/src/routes/orchestration/workflows/[id]/+page.svelte
index 15d19c5..5e6ce50 100644
--- a/ui/src/routes/orchestration/workflows/[id]/+page.svelte
+++ b/ui/src/routes/orchestration/workflows/[id]/+page.svelte
@@ -235,7 +235,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
   .tool-btn:hover:not(:disabled) {
diff --git a/ui/src/routes/providers/+page.svelte b/ui/src/routes/providers/+page.svelte
index 21679cb..97f8738 100644
--- a/ui/src/routes/providers/+page.svelte
+++ b/ui/src/routes/providers/+page.svelte
@@ -529,7 +529,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -667,7 +667,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
 
@@ -703,7 +703,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
   }
 
@@ -808,7 +808,7 @@
     font-size: 0.75rem;
     font-family: var(--font-mono);
     cursor: pointer;
-    transition: all 0.15s ease;
+    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.15s ease, text-shadow 0.15s ease;
   }
 
   .model-chip:hover {
diff --git a/ui/src/routes/report/+page.svelte b/ui/src/routes/report/+page.svelte
index 0157570..e502ba2 100644
--- a/ui/src/routes/report/+page.svelte
+++ b/ui/src/routes/report/+page.svelte
@@ -343,7 +343,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -426,7 +426,7 @@
     text-transform: uppercase;
     letter-spacing: 2px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
     box-shadow: inset 0 0 10px color-mix(in srgb, var(--accent) 30%, transparent);
   }
@@ -453,7 +453,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
   }
 
   .btn:hover {
diff --git a/ui/src/routes/settings/+page.svelte b/ui/src/routes/settings/+page.svelte
index d64ec34..287526c 100644
--- a/ui/src/routes/settings/+page.svelte
+++ b/ui/src/routes/settings/+page.svelte
@@ -282,7 +282,7 @@
     font-size: 0.875rem;
     font-family: var(--font-mono);
     outline: none;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
   }
 
@@ -412,7 +412,7 @@
     text-transform: uppercase;
     letter-spacing: 1px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     margin-top: 0.75rem;
     text-shadow: var(--text-glow);
   }
@@ -475,7 +475,7 @@
     text-transform: uppercase;
     letter-spacing: 2px;
     cursor: pointer;
-    transition: all 0.2s ease;
+    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease, text-shadow 0.2s ease;
     text-shadow: var(--text-glow);
     box-shadow: inset 0 0 10px
       color-mix(in srgb, var(--accent) 30%, transparent);