diff --git a/src/components/QuickEntryDialog.vue b/src/components/QuickEntryDialog.vue
new file mode 100644
index 0000000..33582e9
--- /dev/null
+++ b/src/components/QuickEntryDialog.vue
@@ -0,0 +1,255 @@
+<script setup lang="ts">
+import { ref, watch, nextTick, onUnmounted, computed } from 'vue'
+import { useFocusTrap } from '../utils/focusTrap'
+import { useAnnouncer } from '../composables/useAnnouncer'
+import AppSelect from './AppSelect.vue'
+import AppDatePicker from './AppDatePicker.vue'
+import { useProjectsStore, type Task } from '../stores/projects'
+import { useEntriesStore } from '../stores/entries'
+import { useSettingsStore } from '../stores/settings'
+import { useToastStore } from '../stores/toast'
+import { X } from 'lucide-vue-next'
+
+const props = defineProps<{
+  show: boolean
+}>()
+
+const emit = defineEmits<{
+  close: []
+  saved: []
+}>()
+
+const projectsStore = useProjectsStore()
+const entriesStore = useEntriesStore()
+const settingsStore = useSettingsStore()
+const toastStore = useToastStore()
+const { activate: activateTrap, deactivate: deactivateTrap } = useFocusTrap()
+const { announce } = useAnnouncer()
+const dialogRef = ref<HTMLElement | null>(null)
+
+const selectedProjectId = ref<number | null>(null)
+const selectedTaskId = ref<number | null>(null)
+const description = ref('')
+const entryDate = ref(new Date().toISOString().split('T')[0])
+const durationInput = ref('')
+const billable = ref(1)
+const tasks = ref<Task[]>([])
+const saving = ref(false)
+
+const availableProjects = computed(() => projectsStore.projects.filter(p => !p.archived))
+
+const canSave = computed(() => !!selectedProjectId.value && !!durationInput.value.trim() && !saving.value)
+
+watch(selectedProjectId, async (projectId) => {
+  selectedTaskId.value = null
+  if (projectId) {
+    tasks.value = await projectsStore.fetchTasks(projectId)
+  } else {
+    tasks.value = []
+  }
+})
+
+watch(() => props.show, async (val) => {
+  if (val) {
+    // Ensure projects are loaded
+    if (projectsStore.projects.length === 0) {
+      await projectsStore.fetchProjects()
+    }
+
+    // Reset form
+    const lastProjectId = parseInt(settingsStore.settings.last_project_id) || 0
+    selectedProjectId.value = lastProjectId || null
+    selectedTaskId.value = null
+    description.value = ''
+    entryDate.value = new Date().toISOString().split('T')[0]
+    durationInput.value = ''
+    billable.value = 1
+    saving.value = false
+
+    await nextTick()
+    if (dialogRef.value) {
+      activateTrap(dialogRef.value, { onDeactivate: () => emit('close') })
+    }
+    announce('Quick entry dialog opened')
+  } else {
+    deactivateTrap()
+  }
+})
+
+onUnmounted(() => deactivateTrap())
+
+function parseDuration(input: string): number | null {
+  const trimmed = input.trim()
+  if (!trimmed) return null
+
+  // H:MM format
+  if (trimmed.includes(':')) {
+    const [h, m] = trimmed.split(':').map(Number)
+    if (isNaN(h) || isNaN(m) || h < 0 || m < 0 || m > 59) return null
+    return h * 3600 + m * 60
+  }
+
+  // Decimal hours
+  const num = parseFloat(trimmed)
+  if (isNaN(num) || num < 0 || num > 24) return null
+  return Math.round(num * 3600)
+}
+
+async function handleSave() {
+  if (!selectedProjectId.value || !durationInput.value) return
+  const duration = parseDuration(durationInput.value)
+  if (duration === null || duration <= 0) return
+
+  saving.value = true
+
+  const startDate = new Date(entryDate.value + 'T09:00:00')
+  const endDate = new Date(startDate.getTime() + duration * 1000)
+
+  try {
+    await entriesStore.createEntry({
+      project_id: selectedProjectId.value,
+      task_id: selectedTaskId.value || undefined,
+      description: description.value || undefined,
+      start_time: startDate.toISOString(),
+      end_time: endDate.toISOString(),
+      duration,
+      billable: billable.value,
+    })
+
+    // Save last-used project
+    await settingsStore.updateSetting('last_project_id', String(selectedProjectId.value))
+
+    toastStore.success('Entry created')
+    announce('Time entry created successfully')
+    emit('saved')
+    emit('close')
+  } catch {
+    toastStore.error('Failed to create entry')
+  } finally {
+    saving.value = false
+  }
+}
+</script>
+
+<template>
+  <Teleport to="body">
+    <Transition name="modal">
+      <div
+        v-if="show"
+        class="fixed inset-0 bg-black/70 backdrop-blur-[4px] flex items-center justify-center p-4 z-50"
+        @click.self="$emit('close')"
+      >
+        <div
+          ref="dialogRef"
+          role="dialog"
+          aria-modal="true"
+          aria-labelledby="quick-entry-title"
+          class="bg-bg-surface border border-border-subtle rounded-lg shadow-[0_1px_3px_rgba(0,0,0,0.3)] w-full max-w-md p-6"
+        >
+          <div class="flex items-center justify-between mb-4">
+            <h2 id="quick-entry-title" class="text-[1.125rem] font-semibold font-[family-name:var(--font-heading)] text-text-primary">
+              Quick Entry
+            </h2>
+            <button
+              @click="$emit('close')"
+              class="p-1 text-text-tertiary hover:text-text-primary transition-colors focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-accent"
+              aria-label="Close"
+            >
+              <X class="w-4 h-4" aria-hidden="true" />
+            </button>
+          </div>
+
+          <form @submit.prevent="handleSave" class="space-y-3">
+            <div>
+              <label class="block text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] mb-1.5">Project *</label>
+              <AppSelect
+                v-model="selectedProjectId"
+                :options="availableProjects"
+                label-key="name"
+                value-key="id"
+                placeholder="Select project"
+                :searchable="true"
+              />
+            </div>
+
+            <div v-if="tasks.length > 0">
+              <label class="block text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] mb-1.5">Task</label>
+              <AppSelect
+                v-model="selectedTaskId"
+                :options="tasks"
+                label-key="name"
+                value-key="id"
+                placeholder="No task"
+                :placeholder-value="null"
+              />
+            </div>
+
+            <div>
+              <label for="quick-entry-desc" class="block text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] mb-1.5">Description</label>
+              <input
+                id="quick-entry-desc"
+                v-model="description"
+                type="text"
+                class="w-full px-3 py-2 bg-bg-inset border border-border-subtle rounded-lg text-[0.8125rem] text-text-primary focus:outline-none focus:border-border-visible"
+                placeholder="What did you work on?"
+              />
+            </div>
+
+            <div class="grid grid-cols-2 gap-3">
+              <div>
+                <label class="block text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] mb-1.5">Date</label>
+                <AppDatePicker v-model="entryDate" />
+              </div>
+              <div>
+                <label for="quick-entry-duration" class="block text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] mb-1.5">Duration *</label>
+                <input
+                  id="quick-entry-duration"
+                  v-model="durationInput"
+                  type="text"
+                  class="w-full px-3 py-2 bg-bg-inset border border-border-subtle rounded-lg text-[0.8125rem] text-text-primary font-mono focus:outline-none focus:border-border-visible"
+                  placeholder="1:30 or 1.5"
+                />
+              </div>
+            </div>
+
+            <div class="flex items-center gap-2">
+              <button
+                type="button"
+                @click="billable = billable ? 0 : 1"
+                role="switch"
+                :aria-checked="!!billable"
+                aria-label="Billable"
+                class="relative inline-flex h-5 w-9 items-center rounded-full transition-colors duration-150 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-accent"
+                :class="billable ? 'bg-status-running' : 'bg-bg-elevated'"
+              >
+                <span
+                  class="inline-block h-3.5 w-3.5 transform rounded-full bg-text-primary transition-transform duration-150"
+                  :class="billable ? 'translate-x-[18px]' : 'translate-x-[3px]'"
+                  aria-hidden="true"
+                />
+              </button>
+              <span class="text-[0.75rem] text-text-secondary">Billable</span>
+            </div>
+
+            <div class="flex justify-end gap-2 pt-2">
+              <button
+                type="button"
+                @click="$emit('close')"
+                class="px-4 py-2 text-[0.8125rem] text-text-secondary border border-border-subtle rounded-lg hover:bg-bg-elevated transition-colors focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-accent"
+              >
+                Cancel
+              </button>
+              <button
+                type="submit"
+                :disabled="!canSave"
+                class="px-4 py-2 text-[0.8125rem] bg-accent text-bg-base rounded-lg hover:bg-accent-hover transition-colors disabled:opacity-40 disabled:cursor-not-allowed focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-accent"
+              >
+                Save
+              </button>
+            </div>
+          </form>
+        </div>
+      </div>
+    </Transition>
+  </Teleport>
+</template>