diff --git a/ui/src/styles/base.css b/ui/src/styles/base.css
index 54a2c6288..0ef14dd7e 100644
--- a/ui/src/styles/base.css
+++ b/ui/src/styles/base.css
@@ -1,40 +1,40 @@
 @import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");
 
 :root {
-  /* Background - Warmer dark with depth */
-  --bg: #12141a;
-  --bg-accent: #14161d;
-  --bg-elevated: #1a1d25;
-  --bg-hover: #262a35;
-  --bg-muted: #262a35;
+  /* Background - Warm dark with sepia undertone */
+  --bg: #0D0C07;
+  --bg-accent: #11100A;
+  --bg-elevated: #1B1A16;
+  --bg-hover: #252419;
+  --bg-muted: #252419;
 
-  /* Card / Surface - More contrast between levels */
-  --card: #181b22;
-  --card-foreground: #f4f4f5;
-  --card-highlight: rgba(255, 255, 255, 0.05);
-  --popover: #181b22;
-  --popover-foreground: #f4f4f5;
+  /* Card / Surface - Clear hierarchy with warm tones */
+  --card: #151410;
+  --card-foreground: #f4f4f0;
+  --card-highlight: rgba(255, 252, 245, 0.05);
+  --popover: #151410;
+  --popover-foreground: #f4f4f0;
 
   /* Panel */
-  --panel: #12141a;
-  --panel-strong: #1a1d25;
-  --panel-hover: #262a35;
-  --chrome: rgba(18, 20, 26, 0.95);
-  --chrome-strong: rgba(18, 20, 26, 0.98);
+  --panel: #0D0C07;
+  --panel-strong: #1B1A16;
+  --panel-hover: #252419;
+  --chrome: rgba(13, 12, 7, 0.95);
+  --chrome-strong: rgba(13, 12, 7, 0.98);
 
-  /* Text - Slightly warmer */
-  --text: #e4e4e7;
-  --text-strong: #fafafa;
-  --chat-text: #e4e4e7;
-  --muted: #71717a;
-  --muted-strong: #52525b;
-  --muted-foreground: #71717a;
+  /* Text - Warm white tones */
+  --text: #e8e6e0;
+  --text-strong: #faf9f6;
+  --chat-text: #e8e6e0;
+  --muted: #7a776d;
+  --muted-strong: #5c5952;
+  --muted-foreground: #7a776d;
 
-  /* Border - Subtle but defined */
-  --border: #27272a;
-  --border-strong: #3f3f46;
-  --border-hover: #52525b;
-  --input: #27272a;
+  /* Border - Warm and subtle */
+  --border: #2a2820;
+  --border-strong: #3d3a30;
+  --border-hover: #524f42;
+  --input: #2a2820;
   --ring: #ff5c5c;
 
   /* Accent - Punchy signature red */
@@ -47,9 +47,9 @@
   --primary: #ff5c5c;
   --primary-foreground: #ffffff;
 
-  /* Secondary - Teal accent for variety */
-  --secondary: #1e2028;
-  --secondary-foreground: #f4f4f5;
+  /* Secondary - Warm elevated surface */
+  --secondary: #1B1A16;
+  --secondary-foreground: #f4f4f0;
   --accent-2: #14b8a6;
   --accent-2-muted: rgba(20, 184, 166, 0.7);
   --accent-2-subtle: rgba(20, 184, 166, 0.15);
@@ -74,7 +74,7 @@
   --focus-glow: 0 0 0 2px var(--bg), 0 0 0 4px var(--ring), 0 0 20px var(--accent-glow);
 
   /* Grid */
-  --grid-line: rgba(255, 255, 255, 0.04);
+  --grid-line: rgba(255, 252, 245, 0.04);
 
   /* Theme transition */
   --theme-switch-x: 50%;
@@ -111,77 +111,85 @@
   color-scheme: dark;
 }
 
-/* Light theme - Clean with subtle warmth */
+/* Light theme - Premium with warm gray tones and clear hierarchy */
 :root[data-theme="light"] {
-  --bg: #fafafa;
-  --bg-accent: #f5f5f5;
+  /* Warm gray backgrounds with clear hierarchy */
+  --bg: #f8f8f7;
+  --bg-accent: #f3f3f1;
   --bg-elevated: #ffffff;
-  --bg-hover: #f0f0f0;
-  --bg-muted: #f0f0f0;
-  --bg-content: #f5f5f5;
+  --bg-hover: #ebebea;
+  --bg-muted: #eeeeed;
+  --bg-content: #f3f3f1;
 
+  /* Cards stand out clearly against background */
   --card: #ffffff;
-  --card-foreground: #18181b;
-  --card-highlight: rgba(0, 0, 0, 0.03);
+  --card-foreground: #1a1a1a;
+  --card-highlight: rgba(255, 255, 255, 0.8);
   --popover: #ffffff;
-  --popover-foreground: #18181b;
+  --popover-foreground: #1a1a1a;
 
-  --panel: #fafafa;
-  --panel-strong: #f5f5f5;
-  --panel-hover: #ebebeb;
-  --chrome: rgba(250, 250, 250, 0.95);
-  --chrome-strong: rgba(250, 250, 250, 0.98);
+  /* Panel - subtle warm tint */
+  --panel: #f8f8f7;
+  --panel-strong: #f3f3f1;
+  --panel-hover: #e8e8e6;
+  --chrome: rgba(248, 248, 247, 0.95);
+  --chrome-strong: rgba(248, 248, 247, 0.98);
 
-  --text: #3f3f46;
-  --text-strong: #18181b;
-  --chat-text: #3f3f46;
-  --muted: #71717a;
-  --muted-strong: #52525b;
-  --muted-foreground: #71717a;
+  /* Text - rich contrast */
+  --text: #3d3d3d;
+  --text-strong: #1a1a1a;
+  --chat-text: #3d3d3d;
+  --muted: #6b6b6b;
+  --muted-strong: #525252;
+  --muted-foreground: #6b6b6b;
 
-  --border: #e4e4e7;
-  --border-strong: #d4d4d8;
-  --border-hover: #a1a1aa;
-  --input: #e4e4e7;
+  /* Border - subtle definition with warm undertone */
+  --border: #e0e0de;
+  --border-strong: #c8c8c5;
+  --border-hover: #a0a09d;
+  --input: #e0e0de;
 
+  /* Accent - confident red */
   --accent: #dc2626;
   --accent-hover: #ef4444;
   --accent-muted: #dc2626;
-  --accent-subtle: rgba(220, 38, 38, 0.12);
+  --accent-subtle: rgba(220, 38, 38, 0.1);
   --accent-foreground: #ffffff;
-  --accent-glow: rgba(220, 38, 38, 0.15);
+  --accent-glow: rgba(220, 38, 38, 0.12);
   --primary: #dc2626;
   --primary-foreground: #ffffff;
 
-  --secondary: #f4f4f5;
-  --secondary-foreground: #3f3f46;
+  /* Secondary - warm off-white */
+  --secondary: #f0f0ee;
+  --secondary-foreground: #3d3d3d;
   --accent-2: #0d9488;
   --accent-2-muted: rgba(13, 148, 136, 0.75);
-  --accent-2-subtle: rgba(13, 148, 136, 0.12);
+  --accent-2-subtle: rgba(13, 148, 136, 0.1);
 
+  /* Semantic colors - slightly muted for light theme */
   --ok: #16a34a;
   --ok-muted: rgba(22, 163, 74, 0.75);
-  --ok-subtle: rgba(22, 163, 74, 0.1);
+  --ok-subtle: rgba(22, 163, 74, 0.08);
   --destructive: #dc2626;
   --destructive-foreground: #fafafa;
   --warn: #d97706;
   --warn-muted: rgba(217, 119, 6, 0.75);
-  --warn-subtle: rgba(217, 119, 6, 0.1);
+  --warn-subtle: rgba(217, 119, 6, 0.08);
   --danger: #dc2626;
   --danger-muted: rgba(220, 38, 38, 0.75);
-  --danger-subtle: rgba(220, 38, 38, 0.1);
+  --danger-subtle: rgba(220, 38, 38, 0.08);
   --info: #2563eb;
 
   --focus: rgba(220, 38, 38, 0.2);
   --focus-glow: 0 0 0 2px var(--bg), 0 0 0 4px var(--ring), 0 0 16px var(--accent-glow);
 
-  --grid-line: rgba(0, 0, 0, 0.05);
+  --grid-line: rgba(0, 0, 0, 0.04);
 
-  /* Light shadows */
-  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
-  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
-  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
-  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.04);
+  /* Light shadows - crisper with subtle warmth */
+  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05), 0 1px 1px rgba(0, 0, 0, 0.03);
+  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
+  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
+  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.05);
   --shadow-glow: 0 0 24px var(--accent-glow);
 
   color-scheme: light;
@@ -206,36 +214,17 @@ body {
   -moz-osx-font-smoothing: grayscale;
 }
 
-/* Theme transition */
-@keyframes theme-circle-transition {
-  0% {
-    clip-path: circle(0% at var(--theme-switch-x, 50%) var(--theme-switch-y, 50%));
-  }
-  100% {
-    clip-path: circle(150% at var(--theme-switch-x, 50%) var(--theme-switch-y, 50%));
-  }
-}
-
-html.theme-transition {
-  view-transition-name: theme;
-}
-
-html.theme-transition::view-transition-old(theme) {
-  mix-blend-mode: normal;
-  animation: none;
-  z-index: 1;
-}
-
-html.theme-transition::view-transition-new(theme) {
-  mix-blend-mode: normal;
-  z-index: 2;
-  animation: theme-circle-transition 0.4s var(--ease-out) forwards;
+/* Theme transition - clean crossfade */
+::view-transition-old(root),
+::view-transition-new(root) {
+  animation-duration: 0.15s;
+  animation-timing-function: ease-out;
 }
 
 @media (prefers-reduced-motion: reduce) {
-  html.theme-transition::view-transition-old(theme),
-  html.theme-transition::view-transition-new(theme) {
-    animation: none !important;
+  ::view-transition-old(root),
+  ::view-transition-new(root) {
+    animation: none;
   }
 }
 
diff --git a/ui/src/styles/chat/layout.css b/ui/src/styles/chat/layout.css
index 589b0b62d..04bef1647 100644
--- a/ui/src/styles/chat/layout.css
+++ b/ui/src/styles/chat/layout.css
@@ -344,6 +344,12 @@
   color: var(--text);
 }
 
+:root[data-theme="light"] .btn--icon.active {
+  border-color: var(--accent);
+  background: var(--accent-subtle);
+  color: var(--accent);
+}
+
 .btn--icon svg {
   display: block;
   width: 18px;
diff --git a/ui/src/styles/components.css b/ui/src/styles/components.css
index 27dfe62d1..937edea2d 100644
--- a/ui/src/styles/components.css
+++ b/ui/src/styles/components.css
@@ -49,6 +49,8 @@
     border-color var(--duration-normal) var(--ease-out),
     box-shadow var(--duration-normal) var(--ease-out);
   box-shadow: inset 0 1px 0 var(--card-highlight);
+  min-width: 0;
+  overflow: hidden;
 }
 
 .stat:hover {
@@ -62,6 +64,9 @@
   font-weight: 500;
   text-transform: uppercase;
   letter-spacing: 0.04em;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .stat-value {
@@ -70,6 +75,9 @@
   margin-top: 6px;
   letter-spacing: -0.03em;
   line-height: 1.1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .stat-value.ok {
@@ -201,6 +209,30 @@
   color: var(--danger);
 }
 
+/* Health pill - prominent status indicator */
+.pill--health {
+  font-weight: 600;
+  letter-spacing: -0.01em;
+}
+
+.pill--health.ok {
+  border-color: rgba(34, 197, 94, 0.2);
+  background: var(--ok-subtle);
+}
+
+.pill--health.ok .mono {
+  color: var(--ok);
+}
+
+.pill--health.offline {
+  border-color: rgba(245, 158, 11, 0.2);
+  background: var(--warn-subtle);
+}
+
+.pill--health.offline .mono {
+  color: var(--warn);
+}
+
 /* ===========================================
    Theme Toggle
    =========================================== */
@@ -326,7 +358,7 @@
 
 .btn:active {
   background: var(--secondary);
-  transform: translateY(0);
+  transform: translateY(0) scale(0.98);
   box-shadow: none;
 }
 
@@ -447,6 +479,14 @@
 .field select:focus {
   border-color: var(--ring);
   box-shadow: var(--focus-ring);
+  outline: none;
+}
+
+.field input:focus-visible,
+.field textarea:focus-visible,
+.field select:focus-visible {
+  border-color: var(--ring);
+  box-shadow: var(--focus-glow);
 }
 
 .field select {
@@ -467,16 +507,49 @@
 }
 
 .field.checkbox {
-  grid-template-columns: auto 1fr;
+  display: flex;
+  flex-direction: row;
   align-items: center;
+  gap: 8px;
+}
+
+.field.checkbox span {
+  order: 2;
+}
+
+.field.checkbox input[type="checkbox"] {
+  order: 1;
+  width: 16px;
+  height: 16px;
+  margin: 0;
+  accent-color: var(--accent);
+  cursor: pointer;
+}
+
+/* Checkboxes in filter rows - align to bottom like other fields */
+.filters .field.checkbox {
+  align-self: flex-end;
+  padding-bottom: 10px;
+}
+
+/* Checkboxes in form grids - align to bottom of grid cell */
+.form-grid .field.checkbox {
+  align-self: end;
+  padding-bottom: 8px;
 }
 
 .config-form .field.checkbox {
+  display: grid;
   grid-template-columns: 18px minmax(0, 1fr);
   column-gap: 10px;
 }
 
+.config-form .field.checkbox span {
+  order: unset;
+}
+
 .config-form .field.checkbox input[type="checkbox"] {
+  order: unset;
   margin: 0;
   width: 16px;
   height: 16px;
@@ -522,6 +595,39 @@
   font-family: var(--mono);
 }
 
+/* ===========================================
+   Keyboard Shortcuts (kbd)
+   =========================================== */
+
+kbd {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 20px;
+  height: 20px;
+  padding: 0 6px;
+  font-family: var(--font-body);
+  font-size: 11px;
+  font-weight: 500;
+  line-height: 1;
+  color: var(--muted);
+  background: var(--secondary);
+  border: 1px solid var(--border);
+  border-bottom-width: 2px;
+  border-radius: 4px;
+  box-shadow: 0 1px 0 var(--border);
+}
+
+kbd + kbd {
+  margin-left: 4px;
+}
+
+:root[data-theme="light"] kbd {
+  background: var(--bg);
+  border-color: var(--border-strong);
+  box-shadow: 0 1px 0 var(--border-strong);
+}
+
 /* ===========================================
    Callouts - Informative with subtle depth
    =========================================== */
@@ -554,6 +660,156 @@
   color: var(--ok);
 }
 
+.callout.warn {
+  border-color: rgba(245, 158, 11, 0.25);
+  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0.04) 100%);
+  color: var(--warn);
+}
+
+/* ===========================================
+   Empty States - Clear and helpful
+   =========================================== */
+
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 12px;
+  padding: 48px 24px;
+  text-align: center;
+  color: var(--muted);
+}
+
+.empty-state__icon {
+  width: 48px;
+  height: 48px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius-lg);
+  background: var(--secondary);
+  border: 1px solid var(--border);
+  color: var(--muted);
+  margin-bottom: 4px;
+}
+
+.empty-state__icon svg {
+  width: 24px;
+  height: 24px;
+  stroke: currentColor;
+  fill: none;
+  stroke-width: 1.5px;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+}
+
+.empty-state__title {
+  font-size: 15px;
+  font-weight: 600;
+  color: var(--text);
+  letter-spacing: -0.01em;
+}
+
+.empty-state__description {
+  font-size: 13px;
+  max-width: 320px;
+  line-height: 1.5;
+}
+
+.empty-state__action {
+  margin-top: 8px;
+}
+
+/* Disconnected state - More prominent */
+.disconnected-state {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+  padding: 16px 20px;
+  border-radius: var(--radius-lg);
+  border: 1px dashed var(--border-strong);
+  background: var(--secondary);
+  animation: rise 0.35s var(--ease-out) backwards;
+}
+
+.disconnected-state__icon {
+  width: 40px;
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius-md);
+  background: var(--warn-subtle);
+  color: var(--warn);
+  flex-shrink: 0;
+}
+
+.disconnected-state__icon svg {
+  width: 20px;
+  height: 20px;
+  stroke: currentColor;
+  fill: none;
+  stroke-width: 2px;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+}
+
+.disconnected-state__content {
+  flex: 1;
+  min-width: 0;
+}
+
+.disconnected-state__title {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--text);
+  letter-spacing: -0.01em;
+}
+
+.disconnected-state__description {
+  font-size: 13px;
+  color: var(--muted);
+  margin-top: 2px;
+}
+
+.disconnected-state__action {
+  flex-shrink: 0;
+}
+
+/* Loading state placeholder */
+.loading-placeholder {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  padding: 24px;
+}
+
+.loading-placeholder__bar {
+  height: 12px;
+  border-radius: var(--radius-sm);
+  background: linear-gradient(
+    90deg,
+    var(--secondary) 25%,
+    var(--bg-hover) 50%,
+    var(--secondary) 75%
+  );
+  background-size: 200% 100%;
+  animation: shimmer 1.5s infinite;
+}
+
+.loading-placeholder__bar--short {
+  width: 60%;
+}
+
+.loading-placeholder__bar--medium {
+  width: 80%;
+}
+
+.loading-placeholder__bar--full {
+  width: 100%;
+}
+
 /* Compaction indicator */
 .compaction-indicator {
   font-size: 13px;
@@ -603,6 +859,23 @@
   background: var(--bg);
 }
 
+/* Light theme cards - subtle shadow for elevation */
+:root[data-theme="light"] .card {
+  box-shadow: var(--shadow-sm);
+}
+
+:root[data-theme="light"] .card:hover {
+  box-shadow: var(--shadow-md);
+}
+
+:root[data-theme="light"] .stat {
+  box-shadow: var(--shadow-sm);
+}
+
+:root[data-theme="light"] .stat:hover {
+  box-shadow: var(--shadow-md);
+}
+
 /* ===========================================
    Lists
    =========================================== */
@@ -1484,3 +1757,137 @@
   flex-wrap: wrap;
   gap: 8px;
 }
+
+/* ===========================================
+   Crab Loader - Processing animation
+   =========================================== */
+
+.crab-loader {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 20px;
+  padding: 32px 24px;
+}
+
+.crab-loader__crab {
+  position: relative;
+  animation: crab-walk 0.6s ease-in-out infinite;
+}
+
+.crab-loader__svg {
+  display: block;
+}
+
+.crab-loader--sm .crab-loader__svg {
+  width: 32px;
+  height: auto;
+}
+
+.crab-loader--md .crab-loader__svg {
+  width: 56px;
+  height: auto;
+}
+
+.crab-loader--lg .crab-loader__svg {
+  width: 96px;
+  height: auto;
+}
+
+.crab-loader__claw-left {
+  transform-origin: 52px 78px;
+  animation: claw-pinch-left 0.4s ease-in-out infinite;
+}
+
+.crab-loader__claw-right {
+  transform-origin: 468px 78px;
+  animation: claw-pinch-right 0.4s ease-in-out infinite;
+}
+
+.crab-loader__text {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  color: var(--muted);
+  font-size: 14px;
+  font-weight: 500;
+}
+
+.crab-loader__dots {
+  display: flex;
+  gap: 3px;
+  margin-left: 2px;
+}
+
+.crab-loader__dot {
+  width: 4px;
+  height: 4px;
+  border-radius: var(--radius-full);
+  background: var(--muted);
+  animation: dot-bounce 1.2s ease-in-out infinite;
+}
+
+.crab-loader__dot:nth-child(2) {
+  animation-delay: 0.2s;
+}
+
+.crab-loader__dot:nth-child(3) {
+  animation-delay: 0.4s;
+}
+
+/* Crab walking animation - side to side sway */
+@keyframes crab-walk {
+  0%, 100% {
+    transform: translateX(-2px) rotate(-2deg);
+  }
+  50% {
+    transform: translateX(2px) rotate(2deg);
+  }
+}
+
+/* Left claw pinching */
+@keyframes claw-pinch-left {
+  0%, 100% {
+    transform: rotate(0deg);
+  }
+  50% {
+    transform: rotate(15deg);
+  }
+}
+
+/* Right claw pinching */
+@keyframes claw-pinch-right {
+  0%, 100% {
+    transform: rotate(0deg);
+  }
+  50% {
+    transform: rotate(-15deg);
+  }
+}
+
+/* Bouncing dots */
+@keyframes dot-bounce {
+  0%, 80%, 100% {
+    opacity: 0.4;
+    transform: translateY(0);
+  }
+  40% {
+    opacity: 1;
+    transform: translateY(-3px);
+  }
+}
+
+/* Reduced motion */
+@media (prefers-reduced-motion: reduce) {
+  .crab-loader__crab,
+  .crab-loader__claw-left,
+  .crab-loader__claw-right,
+  .crab-loader__dot {
+    animation: none;
+  }
+
+  .crab-loader__dot {
+    opacity: 0.6;
+  }
+}
diff --git a/ui/src/styles/layout.css b/ui/src/styles/layout.css
index c2a5c6fe3..cad7a08a5 100644
--- a/ui/src/styles/layout.css
+++ b/ui/src/styles/layout.css
@@ -430,6 +430,17 @@
   background: var(--bg-content);
 }
 
+/* Light theme nav - subtle background difference */
+:root[data-theme="light"] .nav {
+  background: var(--bg);
+  border-right: 1px solid var(--border);
+}
+
+:root[data-theme="light"] .topbar {
+  background: var(--bg);
+  box-shadow: 0 1px 0 var(--border);
+}
+
 .content--chat {
   overflow: hidden;
   padding-bottom: 0;
@@ -437,19 +448,20 @@
 
 /* Content header */
 .content-header {
+  position: relative;
   display: flex;
   align-items: flex-end;
   justify-content: space-between;
   gap: 16px;
-  padding: 4px 8px;
-  overflow: hidden;
+  padding: 4px 8px 12px;
+  overflow: visible;
   transform-origin: top center;
   transition:
     opacity var(--shell-focus-duration) var(--shell-focus-ease),
     transform var(--shell-focus-duration) var(--shell-focus-ease),
     max-height var(--shell-focus-duration) var(--shell-focus-ease),
     padding var(--shell-focus-duration) var(--shell-focus-ease);
-  max-height: 80px;
+  max-height: 90px;
 }
 
 .shell--chat-focus .content-header {
@@ -481,6 +493,28 @@
   gap: 8px;
 }
 
+/* Page header separator - subtle gradient fade */
+.content-header::after {
+  content: "";
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  height: 1px;
+  background: linear-gradient(
+    90deg,
+    transparent 0%,
+    var(--border) 20%,
+    var(--border) 80%,
+    transparent 100%
+  );
+  opacity: 0.6;
+}
+
+.shell--chat-focus .content-header::after {
+  display: none;
+}
+
 /* Chat view header adjustments */
 .content--chat .content-header {
   flex-direction: row;
diff --git a/ui/src/ui/app-render.helpers.ts b/ui/src/ui/app-render.helpers.ts
index c2190e1c9..e32a11154 100644
--- a/ui/src/ui/app-render.helpers.ts
+++ b/ui/src/ui/app-render.helpers.ts
@@ -2,7 +2,7 @@ import { html } from "lit";
 import { repeat } from "lit/directives/repeat.js";
 
 import type { AppViewState } from "./app-view-state";
-import { iconForTab, pathForTab, titleForTab, type Tab } from "./navigation";
+import { iconForTab, pathForTab, titleForTab, TAB_GROUPS, type Tab } from "./navigation";
 import { icons } from "./icons";
 import { loadChatHistory } from "./controllers/chat";
 import { refreshChat } from "./app-chat";
@@ -29,6 +29,13 @@ export function renderTab(state: AppViewState, tab: Tab) {
           return;
         }
         event.preventDefault();
+        // Auto-expand the group containing this tab
+        const group = TAB_GROUPS.find((g) => g.tabs.includes(tab));
+        if (group && state.settings.navGroupsCollapsed[group.label]) {
+          const next = { ...state.settings.navGroupsCollapsed };
+          next[group.label] = false;
+          state.applySettings({ ...state.settings, navGroupsCollapsed: next });
+        }
         state.setTab(tab);
       }}
       title=${titleForTab(tab)}
diff --git a/ui/src/ui/app-render.ts b/ui/src/ui/app-render.ts
index d692693cb..aa0cd6213 100644
--- a/ui/src/ui/app-render.ts
+++ b/ui/src/ui/app-render.ts
@@ -139,7 +139,7 @@ export function renderApp(state: AppViewState) {
           </div>
         </div>
         <div class="topbar-status">
-          <div class="pill">
+          <div class="pill pill--health ${state.connected ? "ok" : "offline"}">
             <span class="statusDot ${state.connected ? "ok" : ""}"></span>
             <span>Health</span>
             <span class="mono">${state.connected ? "OK" : "Offline"}</span>
@@ -150,9 +150,8 @@ export function renderApp(state: AppViewState) {
       <aside class="nav ${state.settings.navCollapsed ? "nav--collapsed" : ""}">
         ${TAB_GROUPS.map((group) => {
           const isGroupCollapsed = state.settings.navGroupsCollapsed[group.label] ?? false;
-          const hasActiveTab = group.tabs.some((tab) => tab === state.tab);
           return html`
-            <div class="nav-group ${isGroupCollapsed && !hasActiveTab ? "nav-group--collapsed" : ""}">
+            <div class="nav-group ${isGroupCollapsed ? "nav-group--collapsed" : ""}">
               <button
                 class="nav-label"
                 @click=${() => {
diff --git a/ui/src/ui/components/crab-loader.gif b/ui/src/ui/components/crab-loader.gif
new file mode 100644
index 000000000..d22c32645
Binary files /dev/null and b/ui/src/ui/components/crab-loader.gif differ
diff --git a/ui/src/ui/components/crab-loader.ts b/ui/src/ui/components/crab-loader.ts
new file mode 100644
index 000000000..fc6923b8e
--- /dev/null
+++ b/ui/src/ui/components/crab-loader.ts
@@ -0,0 +1,257 @@
+import { html, TemplateResult } from "lit";
+
+export type CrabLoaderSize = "sm" | "md" | "lg";
+
+export type CrabLoaderProps = {
+  message?: string;
+  size?: CrabLoaderSize;
+};
+
+/**
+ * Renders the Clawdbot crab loader animation.
+ *
+ * @example
+ * ```ts
+ * import { renderCrabLoader } from "./components/crab-loader";
+ *
+ * // Default usage
+ * ${renderCrabLoader()}
+ *
+ * // With custom message
+ * ${renderCrabLoader({ message: "Loading sessions" })}
+ *
+ * // Different sizes: "sm" | "md" | "lg"
+ * ${renderCrabLoader({ size: "lg" })}
+ * ```
+ */
+export function renderCrabLoader(props: CrabLoaderProps = {}): TemplateResult {
+  const { message = "Getting my claws on it", size = "md" } = props;
+
+  return html`
+    <div class="crab-loader crab-loader--${size}">
+      <div class="crab-loader__crab">
+        ${renderCrabSvg()}
+      </div>
+      <div class="crab-loader__text">
+        <span>${message}</span>
+        <span class="crab-loader__dots">
+          <span class="crab-loader__dot"></span>
+          <span class="crab-loader__dot"></span>
+          <span class="crab-loader__dot"></span>
+        </span>
+      </div>
+    </div>
+  `;
+}
+
+function renderCrabSvg(): TemplateResult {
+  return html`
+    <svg
+      class="crab-loader__svg"
+      viewBox="0 0 520 442"
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+      shape-rendering="crispEdges"
+    >
+      <!-- Left claw -->
+      <g class="crab-loader__claw-left">
+        <rect x="26" y="156" width="26" height="26" fill="#F41641" />
+        <rect y="130" width="26" height="26" fill="#F41641" />
+        <rect y="104" width="26" height="26" fill="#F41641" />
+        <rect y="78" width="26" height="26" fill="#F41641" />
+        <rect y="52" width="26" height="26" fill="#F41641" />
+        <rect y="26" width="26" height="26" fill="#F41641" />
+        <rect x="26" y="78" width="26" height="26" fill="#F41641" />
+        <rect x="52" width="26" height="26" fill="#F41641" />
+        <rect x="78" width="26" height="26" fill="#F41641" />
+        <rect x="52" y="26" width="26" height="26" fill="#F41641" />
+        <rect x="52" y="78" width="26" height="26" fill="#C50026" />
+        <rect x="78" y="52" width="26" height="26" fill="#C50026" />
+        <rect x="26" y="52" width="26" height="26" fill="#F41641" />
+        <rect x="26" y="26" width="26" height="26" fill="#F41641" />
+        <rect x="26" width="26" height="26" fill="#F41641" />
+      </g>
+
+      <!-- Right claw -->
+      <g class="crab-loader__claw-right">
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 520 130)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 520 104)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 520 78)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 520 52)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 520 26)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 494 78)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 468 0)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 442 0)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 468 26)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 468 78)" fill="#C50026" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 442 52)" fill="#C50026" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 494 52)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 494 26)" fill="#F41641" />
+        <rect width="26" height="26" transform="matrix(-1 0 0 1 494 0)" fill="#F41641" />
+      </g>
+
+      <!-- Eyes -->
+      <rect x="130" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="156" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="130" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="78" width="26" height="26" fill="#6A0014" />
+      <rect x="130" y="78" width="26" height="26" fill="#FFC1CD" />
+      <rect x="130" y="104" width="26" height="26" fill="#FFC1CD" />
+      <rect x="156" y="104" width="26" height="26" fill="#FFC1CD" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 182)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 156)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 130)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 78)" fill="#6A0014" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 390 78)" fill="#FFC1CD" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 390 104)" fill="#FFC1CD" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 104)" fill="#FFC1CD" />
+
+      <!-- Body -->
+      <rect x="182" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="52" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="156" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="156" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="442" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="468" y="156" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="182" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="182" width="26" height="26" fill="#F41641" />
+
+      <!-- Body rows -->
+      <rect x="130" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="260" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 260)" fill="#F41641" />
+      <rect x="182" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="260" width="26" height="26" fill="#F41641" />
+      <rect x="130" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="234" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 234)" fill="#F41641" />
+      <rect x="182" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="234" width="26" height="26" fill="#F41641" />
+      <rect x="130" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="208" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 208)" fill="#F41641" />
+      <rect x="182" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="208" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="208" width="26" height="26" fill="#F41641" />
+
+      <!-- Lower body and legs -->
+      <rect x="130" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="390" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 390)" fill="#F41641" />
+      <rect x="182" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="130" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="364" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 364)" fill="#F41641" />
+      <rect x="182" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="130" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="338" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 338)" fill="#F41641" />
+      <rect x="182" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="442" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="468" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="494" y="364" width="26" height="26" fill="#F41641" />
+      <rect x="494" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="494" y="416" width="26" height="26" fill="#F41641" />
+      <rect x="442" y="390" width="26" height="26" fill="#F41641" />
+      <rect x="442" y="416" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 78 338)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 52 338)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 26 364)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 26 390)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 26 416)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 78 390)" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 78 416)" fill="#F41641" />
+      <rect x="364" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="338" width="26" height="26" fill="#F41641" />
+      <rect x="130" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="312" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 312)" fill="#F41641" />
+      <rect x="182" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="312" width="26" height="26" fill="#F41641" />
+      <rect x="130" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="156" y="286" width="26" height="26" fill="#F41641" />
+      <rect width="26" height="26" transform="matrix(-1 0 0 1 364 286)" fill="#F41641" />
+      <rect x="182" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="78" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="104" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="286" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="312" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="208" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="234" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="260" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="416" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="364" y="286" width="26" height="26" fill="#F41641" />
+      <rect x="390" y="286" width="26" height="26" fill="#F41641" />
+    </svg>
+  `;
+}
diff --git a/ui/src/ui/views/cron.ts b/ui/src/ui/views/cron.ts
index d25e3eb45..5b0976bc5 100644
--- a/ui/src/ui/views/cron.ts
+++ b/ui/src/ui/views/cron.ts
@@ -117,13 +117,13 @@ export function renderCron(props: CronProps) {
             />
           </label>
           <label class="field checkbox">
-            <span>Enabled</span>
             <input
               type="checkbox"
               .checked=${props.form.enabled}
               @change=${(e: Event) =>
                 props.onFormChange({ enabled: (e.target as HTMLInputElement).checked })}
             />
+            <span>Enabled</span>
           </label>
           <label class="field">
             <span>Schedule</span>
diff --git a/ui/src/ui/views/overview.ts b/ui/src/ui/views/overview.ts
index ca8b909b5..e50a12cf0 100644
--- a/ui/src/ui/views/overview.ts
+++ b/ui/src/ui/views/overview.ts
@@ -257,5 +257,6 @@ export function renderOverview(props: OverviewProps) {
         </div>
       </div>
     </section>
+
   `;
 }