diff --git a/hdyc-svelte/src/app.css b/hdyc-svelte/src/app.css
index 57efcb8..03d525f 100644
--- a/hdyc-svelte/src/app.css
+++ b/hdyc-svelte/src/app.css
@@ -114,18 +114,18 @@ a:hover {
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  padding: 0.35rem 0.7rem;
-  border-radius: 999px;
+  width: 36px;
+  height: 36px;
+  border-radius: 50%;
   border: 1px solid var(--border);
   background: var(--input-bg);
   color: var(--text);
   font-weight: 600;
-  font-size: 0.85rem;
+  font-size: 1rem;
   font-family: inherit;
   line-height: 1;
   cursor: pointer;
   transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
-  min-width: 42px;
 }
 .theme-toggle:hover {
   border-color: var(--accent);
@@ -137,34 +137,36 @@ a:hover {
 
 .floating-palette-controls {
   position: fixed;
-  bottom: clamp(1rem, 2vw, 1.5rem);
-  right: clamp(1rem, 2vw, 1.5rem);
+  bottom: clamp(0.75rem, 2vw, 1.25rem);
+  right: clamp(0.75rem, 2vw, 1.25rem);
   display: flex;
   align-items: center;
-  gap: 0.4rem;
-  padding: 0.35rem 0.65rem;
+  gap: 0.3rem;
+  padding: 0.2rem 0.45rem;
   border-radius: 999px;
   background: var(--bg-elevated);
-  border: 1px solid var(--border);
-  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
-  backdrop-filter: blur(18px);
-  -webkit-backdrop-filter: blur(18px);
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.35);
+  backdrop-filter: blur(24px);
+  -webkit-backdrop-filter: blur(24px);
   z-index: 200;
 }
 .palette-dots {
   display: flex;
-  gap: 0.35rem;
+  gap: 0.25rem;
 }
 .palette-dot {
-  width: 34px;
-  height: 34px;
+  width: 30px;
+  height: 30px;
   border-radius: 50%;
-  border: 2px solid transparent;
+  border: 1px solid transparent;
   padding: 0;
-  background-size: cover;
+  background-size: 160%;
   background-position: center;
   cursor: pointer;
   transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
+  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
+  overflow: hidden;
 }
 .palette-dot:hover {
   transform: translateY(-1px);
@@ -180,13 +182,13 @@ a:hover {
 
 @media (max-width: 520px) {
   .floating-palette-controls {
-    gap: 0.25rem;
-    padding: 0.25rem 0.55rem;
-    right: 0.75rem;
+    gap: 0.2rem;
+    padding: 0.18rem 0.35rem;
+    right: 0.65rem;
   }
   .palette-dot {
-    width: 30px;
-    height: 30px;
+    width: 26px;
+    height: 26px;
   }
 }
 
diff --git a/hdyc-svelte/src/routes/+layout.svelte b/hdyc-svelte/src/routes/+layout.svelte
index 9a89eca..b16110a 100644
--- a/hdyc-svelte/src/routes/+layout.svelte
+++ b/hdyc-svelte/src/routes/+layout.svelte
@@ -374,7 +374,7 @@
         class:active={index === selectedPaletteIndex}
         aria-pressed={index === selectedPaletteIndex}
         aria-label={`Switch to ${palette.label} palette`}
-        style={`background: ${palette[theme]['accent-gradient']};`}
+        style={`background-image: ${palette[theme]['accent-gradient']};`}
         on:click={() => setPalette(index)}
       ></button>
     {/each}