diff --git a/frontend/src/components/DashboardCards.vue b/frontend/src/components/DashboardCards.vue
index 93e13a7..72c37ab 100644
--- a/frontend/src/components/DashboardCards.vue
+++ b/frontend/src/components/DashboardCards.vue
@@ -120,16 +120,27 @@ defineExpose({ load })
 <style scoped>
 .dc-grid {
   display: grid;
-  /* Four across on a wide screen, not five. A card holds a hostname, a machine
-     number and a state on one line; at five columns those lines truncate on
-     the very rows that matter most. auto-fit rather than auto-fill so two
-     cards fill the width instead of leaving three empty tracks. */
-  grid-template-columns: repeat(auto-fit, minmax(28rem, 1fr));
+  /* Four across on a wide screen. A card holds a hostname, a machine number
+     and a state on one line, so the track cannot go much below this without
+     truncating the rows that matter most - but 28rem only fits three once the
+     sidebar takes its share at 1920, which is the common case here. auto-fit
+     rather than auto-fill so two cards fill the width instead of leaving
+     empty tracks. */
+  grid-template-columns: repeat(auto-fit, minmax(22rem, 1fr));
   max-width: 120rem;
   gap: 1rem;
   margin-bottom: 1.75rem;
   align-items: start;
 }
+
+/* Four is the ceiling, not a consequence of the track width. Left to auto-fit
+   alone this reaches five on an ultrawide, and a fifth column buys nothing -
+   the cards get narrower and the rows they hold start truncating again. */
+@media (min-width: 96rem) {
+  .dc-grid {
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+  }
+}
 .dc-card {
   background: var(--bg-card);
   border: 1px solid var(--border);
diff --git a/frontend/src/components/LocationMapTooltip.vue b/frontend/src/components/LocationMapTooltip.vue
index e4532d2..4b527d1 100644
--- a/frontend/src/components/LocationMapTooltip.vue
+++ b/frontend/src/components/LocationMapTooltip.vue
@@ -1,268 +1,270 @@
-<template>
-  <div class="location-tooltip-wrapper" @mouseenter="showTooltip" @mouseleave="onWrapperLeave">
-    <slot></slot>
-    <Teleport to="body">
-      <div
-        v-if="visible && hasPosition"
-        class="map-tooltip"
-        :style="tooltipStyle"
-        ref="tooltipRef"
-        @mouseenter="onTooltipEnter"
-        @mouseleave="onTooltipLeave"
-        @wheel.prevent="onWheel"
-      >
-        <div class="map-tooltip-content">
-          <div class="map-preview" ref="mapPreview">
-            <div
-              class="map-transform"
-              :style="transformStyle"
-            >
-              <img
-                :src="blueprintUrl"
-                alt="Shop Floor Map"
-                class="map-image"
-                @load="onImageLoad"
-              />
-              <!-- Marker dot -->
-              <div
-                class="marker-dot"
-                :style="markerStyle"
-              ></div>
-            </div>
-          </div>
-          <div class="map-tooltip-footer">
-            <span class="coordinates">{{ left }}, {{ top }}</span>
-            <span class="zoom-hint">Scroll to zoom</span>
-          </div>
-        </div>
-      </div>
-    </Teleport>
-  </div>
-</template>
-
-<script setup>
-import { ref, computed, nextTick, watch } from 'vue'
-import { currentTheme } from '../stores/theme'
-import { loadMapConfig, blueprintUrlFor, state as mapConfig } from '../composables/mapConfig'
-
-// Fetch this facility's blueprint + dimensions once; computeds below react
-// when it loads.
-loadMapConfig()
-
-const props = defineProps({
-  left: { type: Number, default: null },
-  top: { type: Number, default: null },
-  machineName: { type: String, default: '' }
-})
-
-const visible = ref(false)
-const tooltipRef = ref(null)
-const mapPreview = ref(null)
-const tooltipPosition = ref({ x: 0, y: 0 })
-const isOverTooltip = ref(false)
-const zoom = ref(1)
-const imageLoaded = ref(false)
-
-const hasPosition = computed(() => {
-  return props.left !== null && props.top !== null
-})
-
-const blueprintUrl = computed(() => {
-  // Reading currentTheme keeps this reactive to theme changes.
-  return blueprintUrlFor(currentTheme.value)
-})
-
-// Calculate marker position as percentage of the facility blueprint size
-const markerX = computed(() => {
-  return (props.left / mapConfig.width) * 100
-})
-
-const markerY = computed(() => {
-  return (props.top / mapConfig.height) * 100
-})
-
-// Marker style with counter-scale to maintain constant size
-const markerStyle = computed(() => ({
-  left: markerX.value + '%',
-  top: markerY.value + '%',
-  transform: `translate(-50%, -50%) scale(${1 / zoom.value})`
-}))
-
-// Transform style that centers on the marker and zooms toward it
-const transformStyle = computed(() => {
-  // Calculate translation to center the marker in the preview
-  const translateX = 50 - markerX.value
-  const translateY = 50 - markerY.value
-
-  return {
-    transform: `translate(${translateX}%, ${translateY}%) scale(${zoom.value})`,
-    transformOrigin: `${markerX.value}% ${markerY.value}%`
-  }
-})
-
-const tooltipStyle = computed(() => ({
-  left: `${tooltipPosition.value.x}px`,
-  top: `${tooltipPosition.value.y}px`
-}))
-
-function onImageLoad() {
-  imageLoaded.value = true
-}
-
-function showTooltip(event) {
-  if (!hasPosition.value) return
-
-  visible.value = true
-  zoom.value = 1
-
-  const rect = event.target.getBoundingClientRect()
-  tooltipPosition.value = {
-    x: rect.left + rect.width / 2,
-    y: rect.bottom + 10
-  }
-
-  nextTick(() => {
-    adjustPosition()
-  })
-}
-
-function onWrapperLeave() {
-  // Small delay to allow moving to tooltip
-  setTimeout(() => {
-    if (!isOverTooltip.value) {
-      hideTooltip()
-    }
-  }, 100)
-}
-
-function onTooltipEnter() {
-  isOverTooltip.value = true
-}
-
-function onTooltipLeave() {
-  isOverTooltip.value = false
-  hideTooltip()
-}
-
-function hideTooltip() {
-  visible.value = false
-  zoom.value = 1
-}
-
-function onWheel(event) {
-  const delta = event.deltaY > 0 ? -0.3 : 0.3
-  const newZoom = Math.max(1, Math.min(8, zoom.value + delta))
-  zoom.value = newZoom
-}
-
-function adjustPosition() {
-  if (!tooltipRef.value) return
-
-  const tooltip = tooltipRef.value
-  const rect = tooltip.getBoundingClientRect()
-  const viewportWidth = window.innerWidth
-  const viewportHeight = window.innerHeight
-
-  if (rect.right > viewportWidth - 20) {
-    tooltipPosition.value.x -= (rect.right - viewportWidth + 20)
-  }
-  if (rect.left < 20) {
-    tooltipPosition.value.x += (20 - rect.left)
-  }
-
-  if (rect.bottom > viewportHeight - 20) {
-    tooltipPosition.value.y = rect.top - tooltip.offsetHeight - 20
-  }
-}
-
-// Reset zoom when tooltip becomes visible
-watch(visible, (newVal) => {
-  if (newVal) {
-    zoom.value = 1
-  }
-})
-
-// Reset imageLoaded when theme changes to force reload
-watch(currentTheme, () => {
-  imageLoaded.value = false
-})
-</script>
-
-<style scoped>
-.location-tooltip-wrapper {
-  display: inline;
-  cursor: pointer;
-}
-
-.location-tooltip-wrapper:hover {
-  color: var(--primary, #1976d2);
-}
-</style>
-
-<style>
-.map-tooltip {
-  position: fixed;
-  z-index: 10000;
-  transform: translateX(-50%);
-}
-
-.map-tooltip-content {
-  background: var(--bg-card, #ffffff);
-  border-radius: 8px;
-  border: 1px solid var(--border, #e0e0e0);
-  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
-  overflow: hidden;
-}
-
-.map-preview {
-  position: relative;
-  width: 500px;
-  height: 385px;
-  overflow: hidden;
-  background: var(--bg, #f5f5f5);
-}
-
-.map-transform {
-  position: relative;
-  width: 100%;
-  height: 100%;
-  transition: transform 0.15s ease-out;
-}
-
-.map-image {
-  width: 100%;
-  height: 100%;
-  object-fit: contain;
-}
-
-.marker-dot {
-  position: absolute;
-  width: 16px;
-  height: 16px;
-  background: #ff0000;
-  border: 2px solid #ffffff;
-  border-radius: 50%;
-  box-shadow: 0 0 0 3px rgba(255,0,0,0.3), 0 0 10px #ff0000;
-  pointer-events: none;
-}
-
-.map-tooltip-footer {
-  padding: 0.5rem 0.75rem;
-  background: var(--bg, #f5f5f5);
-  border-top: 1px solid var(--border, #e0e0e0);
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
-
-.coordinates {
-  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
-  font-size: 0.875rem;
-  color: var(--text-light, #666666);
-}
-
-.zoom-hint {
-  font-size: 0.75rem;
-  color: var(--text-light, #666666);
-}
-</style>
+<template>
+  <div class="location-tooltip-wrapper" @mouseenter="showTooltip" @mouseleave="onWrapperLeave">
+    <slot></slot>
+    <Teleport to="body">
+      <div
+        v-if="visible && hasPosition"
+        class="map-tooltip"
+        :style="tooltipStyle"
+        ref="tooltipRef"
+        @mouseenter="onTooltipEnter"
+        @mouseleave="onTooltipLeave"
+        @wheel.prevent="onWheel"
+      >
+        <div class="map-tooltip-content">
+          <div class="map-preview" ref="mapPreview">
+            <div
+              class="map-transform"
+              :style="transformStyle"
+            >
+              <img
+                :src="blueprintUrl"
+                alt="Shop Floor Map"
+                class="map-image"
+                @load="onImageLoad"
+              />
+              <!-- Marker dot -->
+              <div
+                class="marker-dot"
+                :style="markerStyle"
+              ></div>
+            </div>
+          </div>
+          <div class="map-tooltip-footer">
+            <span class="coordinates">{{ left }}, {{ top }}</span>
+            <span class="zoom-hint">Scroll to zoom</span>
+          </div>
+        </div>
+      </div>
+    </Teleport>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, nextTick, watch } from 'vue'
+import { currentTheme } from '../stores/theme'
+import { loadMapConfig, blueprintUrlFor, state as mapConfig } from '../composables/mapConfig'
+
+// Fetch this facility's blueprint + dimensions once; computeds below react
+// when it loads.
+loadMapConfig()
+
+const props = defineProps({
+  left: { type: Number, default: null },
+  top: { type: Number, default: null },
+  machineName: { type: String, default: '' }
+})
+
+const visible = ref(false)
+const tooltipRef = ref(null)
+const mapPreview = ref(null)
+const tooltipPosition = ref({ x: 0, y: 0 })
+const isOverTooltip = ref(false)
+const zoom = ref(1)
+const imageLoaded = ref(false)
+
+const hasPosition = computed(() => {
+  return props.left !== null && props.top !== null
+})
+
+const blueprintUrl = computed(() => {
+  // Reading currentTheme keeps this reactive to theme changes.
+  return blueprintUrlFor(currentTheme.value)
+})
+
+// Calculate marker position as percentage of the facility blueprint size
+const markerX = computed(() => {
+  return (props.left / mapConfig.width) * 100
+})
+
+const markerY = computed(() => {
+  return (props.top / mapConfig.height) * 100
+})
+
+// Marker style with counter-scale to maintain constant size
+const markerStyle = computed(() => ({
+  left: markerX.value + '%',
+  top: markerY.value + '%',
+  transform: `translate(-50%, -50%) scale(${1 / zoom.value})`
+}))
+
+// Transform style that centers on the marker and zooms toward it
+const transformStyle = computed(() => {
+  // Calculate translation to center the marker in the preview
+  const translateX = 50 - markerX.value
+  const translateY = 50 - markerY.value
+
+  return {
+    transform: `translate(${translateX}%, ${translateY}%) scale(${zoom.value})`,
+    transformOrigin: `${markerX.value}% ${markerY.value}%`
+  }
+})
+
+const tooltipStyle = computed(() => ({
+  left: `${tooltipPosition.value.x}px`,
+  top: `${tooltipPosition.value.y}px`
+}))
+
+function onImageLoad() {
+  imageLoaded.value = true
+}
+
+function showTooltip(event) {
+  if (!hasPosition.value) return
+
+  visible.value = true
+  zoom.value = 1
+
+  const rect = event.target.getBoundingClientRect()
+  tooltipPosition.value = {
+    x: rect.left + rect.width / 2,
+    y: rect.bottom + 10
+  }
+
+  nextTick(() => {
+    adjustPosition()
+  })
+}
+
+function onWrapperLeave() {
+  // Small delay to allow moving to tooltip
+  setTimeout(() => {
+    if (!isOverTooltip.value) {
+      hideTooltip()
+    }
+  }, 100)
+}
+
+function onTooltipEnter() {
+  isOverTooltip.value = true
+}
+
+function onTooltipLeave() {
+  isOverTooltip.value = false
+  hideTooltip()
+}
+
+function hideTooltip() {
+  visible.value = false
+  zoom.value = 1
+}
+
+function onWheel(event) {
+  const delta = event.deltaY > 0 ? -0.3 : 0.3
+  const newZoom = Math.max(1, Math.min(8, zoom.value + delta))
+  zoom.value = newZoom
+}
+
+function adjustPosition() {
+  if (!tooltipRef.value) return
+
+  const tooltip = tooltipRef.value
+  const rect = tooltip.getBoundingClientRect()
+  const viewportWidth = window.innerWidth
+  const viewportHeight = window.innerHeight
+
+  if (rect.right > viewportWidth - 20) {
+    tooltipPosition.value.x -= (rect.right - viewportWidth + 20)
+  }
+  if (rect.left < 20) {
+    tooltipPosition.value.x += (20 - rect.left)
+  }
+
+  if (rect.bottom > viewportHeight - 20) {
+    tooltipPosition.value.y = rect.top - tooltip.offsetHeight - 20
+  }
+}
+
+// Reset zoom when tooltip becomes visible
+watch(visible, (newVal) => {
+  if (newVal) {
+    zoom.value = 1
+  }
+})
+
+// Reset imageLoaded when theme changes to force reload
+watch(currentTheme, () => {
+  imageLoaded.value = false
+})
+</script>
+
+<style scoped>
+.location-tooltip-wrapper {
+  display: inline;
+  cursor: pointer;
+}
+
+.location-tooltip-wrapper:hover {
+  color: var(--primary, #1976d2);
+}
+</style>
+
+<style>
+.map-tooltip {
+  position: fixed;
+  z-index: 10000;
+  transform: translateX(-50%);
+}
+
+.map-tooltip-content {
+  background: var(--bg-card, #ffffff);
+  border-radius: 8px;
+  border: 1px solid var(--border, #e0e0e0);
+  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
+  overflow: hidden;
+}
+
+.map-preview {
+  position: relative;
+  /* Smaller than it was: this is a glance-and-move-on preview, and at 500px it
+     covered the row it was launched from. Aspect ratio kept. */
+  width: 390px;
+  height: 300px;
+  overflow: hidden;
+  background: var(--bg, #f5f5f5);
+}
+
+.map-transform {
+  position: relative;
+  width: 100%;
+  height: 100%;
+  transition: transform 0.15s ease-out;
+}
+
+.map-image {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+.marker-dot {
+  position: absolute;
+  width: 16px;
+  height: 16px;
+  background: #ff0000;
+  border: 2px solid #ffffff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 3px rgba(255,0,0,0.3), 0 0 10px #ff0000;
+  pointer-events: none;
+}
+
+.map-tooltip-footer {
+  padding: 0.5rem 0.75rem;
+  background: var(--bg, #f5f5f5);
+  border-top: 1px solid var(--border, #e0e0e0);
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.coordinates {
+  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
+  font-size: 0.875rem;
+  color: var(--text-light, #666666);
+}
+
+.zoom-hint {
+  font-size: 0.75rem;
+  color: var(--text-light, #666666);
+}
+</style>