diff --git a/apps/rebreak-magic/app/components/DeviceDetailSheet.vue b/apps/rebreak-magic/app/components/DeviceDetailSheet.vue
new file mode 100644
index 0000000..bba2352
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+++ b/apps/rebreak-magic/app/components/DeviceDetailSheet.vue
@@ -0,0 +1,324 @@
+<template>
+  <USlideover
+    v-if="device"
+    v-model:open="open"
+    side="right"
+    :ui="{ content: 'w-full max-w-md bg-white dark:bg-gray-900' }"
+  >
+    <template #header>
+      <div class="flex items-start gap-4 w-full">
+        <div
+          class="shrink-0 w-14 h-14 rounded-2xl bg-gradient-to-br from-blue-50 to-indigo-50 dark:from-gray-800 dark:to-gray-700 flex items-center justify-center"
+        >
+          <UIcon
+            :name="deviceIcon"
+            class="w-7 h-7 text-[var(--rebreak-primary)]"
+          />
+        </div>
+
+        <div class="flex-1 min-w-0">
+          <h2 class="text-lg font-bold text-gray-900 dark:text-white truncate">
+            {{ deviceName }}
+          </h2>
+          <p class="text-sm text-gray-500 dark:text-gray-400">
+            {{ platformLabel }}
+            <span v-if="device.osVersion">· {{ device.osVersion }}</span>
+          </p>
+        </div>
+
+        <UButton
+          color="neutral"
+          variant="ghost"
+          icon="i-heroicons-x-mark-20-solid"
+          :aria-label="'Schließen'"
+          @click="onClose"
+        />
+      </div>
+    </template>
+
+    <template #body>
+      <div class="space-y-6">
+        <!-- Status -->
+        <section class="rounded-xl bg-gray-50 dark:bg-gray-800/50 p-4">
+          <h3 class="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400 mb-3">
+            Status
+          </h3>
+          <div class="flex items-center gap-3 flex-wrap">
+            <UBadge
+              :color="statusColor"
+              :variant="statusVariant"
+              size="md"
+              class="font-bold"
+            >
+              {{ statusLabel }}
+            </UBadge>
+            <div
+              v-if="device.status === 'cooldown' && device.cooldownUntil"
+              class="flex items-center gap-2 text-sm text-gray-600 dark:text-gray-300"
+            >
+              <CooldownCountdown :until="device.cooldownUntil" />
+              <span>Bis {{ cooldownUntilText }}</span>
+            </div>
+          </div>
+        </section>
+
+        <!-- iOS protection status -->
+        <section
+          v-if="showIosStars && iosStars"
+          class="rounded-xl bg-gray-50 dark:bg-gray-800/50 p-4"
+        >
+          <h3 class="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400 mb-3">
+            iOS Schutz-Status
+          </h3>
+          <IosStarRating
+            :enrollment="iosStars.enrollment"
+            :sideload="iosStars.sideload"
+            :app="iosStars.app"
+          />
+          <ul class="mt-3 space-y-1.5 text-sm text-gray-700 dark:text-gray-200">
+            <li class="flex items-center justify-between">
+              <span>Supervised</span>
+              <span :class="iosStars.isSupervised ? 'text-green-600 dark:text-green-400' : 'text-gray-400 dark:text-gray-500'">
+                {{ iosStars.isSupervised ? "Ja" : "Nein" }}
+              </span>
+            </li>
+            <li class="flex items-center justify-between">
+              <span>Enrollment</span>
+              <span :class="iosStars.enrollment ? 'text-green-600 dark:text-green-400' : 'text-gray-400 dark:text-gray-500'">
+                {{ iosStars.enrollment ? "Ja" : "Nein" }}
+              </span>
+            </li>
+            <li class="flex items-center justify-between">
+              <span>Sideload/Lock</span>
+              <span :class="iosStars.sideload ? 'text-green-600 dark:text-green-400' : 'text-gray-400 dark:text-gray-500'">
+                {{ iosStars.sideload ? "Ja" : "Nein" }}
+              </span>
+            </li>
+            <li class="flex items-center justify-between">
+              <span>ReBreak App</span>
+              <span :class="iosStars.app ? 'text-green-600 dark:text-green-400' : 'text-gray-400 dark:text-gray-500'">
+                {{ iosStars.app ? "Ja" : "Nein" }}
+              </span>
+            </li>
+          </ul>
+        </section>
+
+        <!-- Desktop current device toggle -->
+        <section
+          v-if="showDesktopToggle"
+          class="rounded-xl bg-gray-50 dark:bg-gray-800/50 p-4"
+        >
+          <h3 class="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400 mb-3">
+            Dieser Computer
+          </h3>
+          <UButton
+            color="primary"
+            variant="solid"
+            size="md"
+            :icon="desktopToggleIcon"
+            block
+            @click="emit('toggle-protection', device)"
+          >
+            {{ desktopToggleLabel }}
+          </UButton>
+        </section>
+
+        <!-- Cooldown controls -->
+        <section
+          v-if="device.isCurrent"
+          class="rounded-xl bg-gray-50 dark:bg-gray-800/50 p-4"
+        >
+          <h3 class="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400 mb-3">
+            Schlafmodus
+          </h3>
+
+          <div v-if="device.status === 'cooldown' && device.cooldownUntil">
+            <div class="flex items-center gap-2 text-sm text-gray-700 dark:text-gray-200 mb-3">
+              <UIcon name="i-heroicons-moon-20-solid" class="w-5 h-5 text-amber-500" />
+              <span>Schlafmodus aktiv</span>
+              <CooldownCountdown :until="device.cooldownUntil" />
+            </div>
+            <UButton
+              color="neutral"
+              variant="soft"
+              size="md"
+              icon="i-heroicons-x-mark-20-solid"
+              block
+              @click="emit('cancel-cooldown', device)"
+            >
+              Abbrechen
+            </UButton>
+          </div>
+
+          <div v-else>
+            <USelect
+              v-model="selectedMinutes"
+              :items="cooldownOptions"
+              placeholder="Dauer wählen"
+              size="md"
+              class="mb-3"
+            />
+            <UButton
+              color="warning"
+              variant="solid"
+              size="md"
+              icon="i-heroicons-moon-20-solid"
+              block
+              :disabled="!selectedMinutes"
+              @click="onStartCooldown"
+            >
+              Schlafmodus starten
+            </UButton>
+          </div>
+        </section>
+
+        <!-- Remove device -->
+        <section class="pt-2">
+          <UButton
+            color="error"
+            variant="soft"
+            size="md"
+            icon="i-heroicons-trash-20-solid"
+            block
+            @click="emit('remove', device)"
+          >
+            Gerät entfernen
+          </UButton>
+        </section>
+      </div>
+    </template>
+
+    <template #footer>
+      <UButton
+        color="neutral"
+        variant="outline"
+        size="md"
+        block
+        @click="onClose"
+      >
+        Schließen
+      </UButton>
+    </template>
+  </USlideover>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, watch } from "vue";
+import type { ComputedDevice, DeviceStatus } from "~/composables/useDeviceStatus";
+
+const props = defineProps<{
+  device: ComputedDevice | null;
+  iosStars?: {
+    enrollment: boolean;
+    sideload: boolean;
+    app: boolean;
+    isSupervised: boolean;
+  } | null;
+}>();
+
+const emit = defineEmits<{
+  (e: "close"): void;
+  (e: "toggle-protection", device: ComputedDevice): void;
+  (e: "start-cooldown", device: ComputedDevice, minutes: number): void;
+  (e: "cancel-cooldown", device: ComputedDevice): void;
+  (e: "remove", device: ComputedDevice): void;
+}>();
+
+const open = defineModel<boolean>("open", { default: false });
+
+const selectedMinutes = ref<number | undefined>(undefined);
+
+const cooldownOptions = [
+  { label: "15 Minuten", value: 15 },
+  { label: "30 Minuten", value: 30 },
+  { label: "1 Stunde", value: 60 },
+  { label: "3 Stunden", value: 180 },
+  { label: "8 Stunden", value: 480 },
+  { label: "24 Stunden", value: 1440 },
+];
+
+const deviceName = computed(() => {
+  if (!props.device) return "";
+  if (props.device.name) return props.device.name;
+  return props.device.platform === "ios" ? "iPhone" : "Dieser Computer";
+});
+
+const deviceIcon = computed(() => {
+  if (!props.device) return "i-heroicons-question-mark-circle";
+  if (props.device.platform === "ios" || props.device.platform === "android") {
+    return "i-heroicons-device-phone-mobile";
+  }
+  return "i-heroicons-computer-desktop";
+});
+
+const platformLabel = computed(() => {
+  if (!props.device) return "";
+  const labels: Record<ComputedDevice["platform"], string> = {
+    mac: "macOS",
+    windows: "Windows",
+    ios: "iOS",
+    android: "Android",
+    unknown: "Unbekannt",
+  };
+  return labels[props.device.platform];
+});
+
+const showIosStars = computed(() => props.device?.isCurrent && props.device?.platform === "ios");
+const showDesktopToggle = computed(() => props.device?.isCurrent && (props.device?.platform === "mac" || props.device?.platform === "windows"));
+
+const statusConfig: Record<
+  DeviceStatus,
+  { label: string; color: "success" | "warning" | "error" | "neutral"; variant: "subtle" | "outline" }
+> = {
+  active: { label: "Aktiv", color: "success", variant: "subtle" },
+  cooldown: { label: "Schlafmodus", color: "warning", variant: "subtle" },
+  revoked: { label: "Widerrufen", color: "error", variant: "subtle" },
+  pending: { label: "Ausstehend", color: "neutral", variant: "subtle" },
+  unprotected: { label: "Ungeschützt", color: "neutral", variant: "outline" },
+};
+
+const statusLabel = computed(() => (props.device ? statusConfig[props.device.status].label : ""));
+const statusColor = computed(() => (props.device ? statusConfig[props.device.status].color : "neutral"));
+const statusVariant = computed(() => (props.device ? statusConfig[props.device.status].variant : "subtle"));
+
+const cooldownUntilText = computed(() => {
+  if (!props.device?.cooldownUntil) return "";
+  return new Date(props.device.cooldownUntil).toLocaleString("de-DE", {
+    dateStyle: "short",
+    timeStyle: "short",
+  });
+});
+
+const desktopToggleLabel = computed(() => {
+  if (!props.device) return "Schutz umschalten";
+  return props.device.status === "unprotected" ? "Schutz aktivieren" : "Schutz deaktivieren";
+});
+
+const desktopToggleIcon = computed(() => {
+  if (!props.device) return "i-heroicons-shield-exclamation";
+  return props.device.status === "unprotected" ? "i-heroicons-shield-check" : "i-heroicons-shield-exclamation";
+});
+
+function onClose() {
+  open.value = false;
+  emit("close");
+}
+
+function onStartCooldown() {
+  if (!props.device || !selectedMinutes.value) return;
+  emit("start-cooldown", props.device, selectedMinutes.value);
+}
+
+watch(
+  () => props.device,
+  () => {
+    selectedMinutes.value = undefined;
+  },
+);
+
+watch(open, (value, oldValue) => {
+  if (oldValue === true && value === false) {
+    emit("close");
+  }
+});
+</script>