diff --git a/src/components/CalendarGrid.vue b/src/components/CalendarGrid.vue
index abdfabb..08bbab2 100644
--- a/src/components/CalendarGrid.vue
+++ b/src/components/CalendarGrid.vue
@@ -31,6 +31,8 @@ import {
   toLocalString,
   mondayIndex,
   DEFAULT_TZ,
+  MIN_YEAR,
+  MAX_YEAR,
 } from '@/utils/date'
 import { addDays } from 'date-fns'
 import WeekRow from './WeekRow.vue'
@@ -43,8 +45,6 @@ const minVirtualWeek = ref(0)
 const visibleWeeks = ref([])
 
 const config = {
-  min_year: 1900,
-  max_year: 2100,
   weekend: getLocaleWeekendDays(),
 }
 
@@ -116,7 +116,7 @@ const handleWheel = (e) => {
   const currentYear = calendarStore.viewYear
   const delta = Math.round(e.deltaY * (1 / 3))
   if (!delta) return
-  const newYear = Math.max(config.min_year, Math.min(config.max_year, currentYear + delta))
+  const newYear = Math.max(MIN_YEAR, Math.min(MAX_YEAR, currentYear + delta))
   if (newYear === currentYear) return
 
   const topDisplayIndex = Math.floor(viewportEl.value.scrollTop / rowHeight.value)
@@ -156,8 +156,8 @@ const goToTodayHandler = () => {
 onMounted(() => {
   rowHeight.value = computeRowHeight()
 
-  const minYearDate = new Date(config.min_year, 0, 1)
-  const maxYearLastDay = new Date(config.max_year, 11, 31)
+  const minYearDate = new Date(MIN_YEAR, 0, 1)
+  const maxYearLastDay = new Date(MAX_YEAR, 11, 31)
   const lastWeekMonday = addDays(maxYearLastDay, -mondayIndex(maxYearLastDay))
 
   minVirtualWeek.value = getWeekIndex(minYearDate)
diff --git a/src/components/CalendarHeader.vue b/src/components/CalendarHeader.vue
index e9af1d6..f82fa43 100644
--- a/src/components/CalendarHeader.vue
+++ b/src/components/CalendarHeader.vue
@@ -6,6 +6,8 @@ import {
   reorderByFirstDay,
   getISOWeek,
   getISOWeekYear,
+  MIN_YEAR,
+  MAX_YEAR,
 } from '@/utils/date'
 import Numeric from '@/components/Numeric.vue'
 import { addDays } from 'date-fns'
@@ -49,7 +51,7 @@ function isoWeekMonday(isoYear, isoWeek) {
 
 function changeYear(y) {
   if (y == null) return
-  y = Math.round(Math.max(calendarStore.minYear, Math.min(calendarStore.maxYear, y)))
+  y = Math.round(Math.max(MIN_YEAR, Math.min(MAX_YEAR, y)))
   if (y === currentYear.value) return
   const vw = topVirtualWeek.value
   // Fraction within current row
@@ -94,8 +96,8 @@ const weekdayNames = computed(() => {
       <Numeric
         :model-value="currentYear"
         @update:modelValue="changeYear"
-        :min="calendarStore.minYear"
-        :max="calendarStore.maxYear"
+  :min="MIN_YEAR"
+  :max="MAX_YEAR"
         :step="1"
         aria-label="Year"
         number-prefix=""
diff --git a/src/components/CalendarView.vue b/src/components/CalendarView.vue
index 6167f75..c96553a 100644
--- a/src/components/CalendarView.vue
+++ b/src/components/CalendarView.vue
@@ -17,6 +17,8 @@ import {
   getOccurrenceIndex,
   getVirtualOccurrenceEndDate,
   getISOWeek,
+  MIN_YEAR,
+  MAX_YEAR,
 } from '@/utils/date'
 import { toLocalString, fromLocalString, DEFAULT_TZ } from '@/utils/date'
 import { addDays, differenceInCalendarDays, differenceInWeeks } from 'date-fns'
@@ -76,14 +78,14 @@ function registerTap(rawDate, type) {
 }
 
 const minVirtualWeek = computed(() => {
-  const date = new Date(calendarStore.minYear, 0, 1)
+  const date = new Date(MIN_YEAR, 0, 1)
   const dayOffset = (date.getDay() - calendarStore.config.first_day + 7) % 7
   const firstDayOfWeek = addDays(date, -dayOffset)
   return differenceInWeeks(firstDayOfWeek, baseDate.value)
 })
 
 const maxVirtualWeek = computed(() => {
-  const date = new Date(calendarStore.maxYear, 11, 31)
+  const date = new Date(MAX_YEAR, 11, 31)
   const dayOffset = (date.getDay() - calendarStore.config.first_day + 7) % 7
   const firstDayOfWeek = addDays(date, -dayOffset)
   return differenceInWeeks(firstDayOfWeek, baseDate.value)
@@ -276,7 +278,7 @@ function createWeek(virtualWeek) {
 
   let monthLabel = null
   if (hasFirst && monthToLabel !== null) {
-    if (labelYear && labelYear <= calendarStore.config.max_year) {
+    if (labelYear && labelYear <= MAX_YEAR) {
       let weeksSpan = 0
       const d = addDays(cur, -1)
 
diff --git a/src/components/Numeric.vue b/src/components/Numeric.vue
index c2085dd..3837c9e 100644
--- a/src/components/Numeric.vue
+++ b/src/components/Numeric.vue
@@ -2,7 +2,7 @@
   <div
     ref="rootEl"
     class="mini-stepper drag-mode"
-    :class="[extraClass, { dragging }]"
+    :class="[extraClass, { dragging, 'pointer-locked': pointerLocked }]"
     :aria-label="ariaLabel"
     role="spinbutton"
     :aria-valuemin="minValue"
@@ -19,7 +19,7 @@
 </template>
 
 <script setup>
-import { computed, ref } from 'vue'
+import { computed, ref, onBeforeUnmount } from 'vue'
 
 const model = defineModel({ type: Number, default: 0 })
 
@@ -102,46 +102,91 @@ const dragging = ref(false)
 const rootEl = ref(null)
 let startX = 0
 let startY = 0
-let startVal = 0
+let accumX = 0 // accumulated horizontal movement since last applied step (works for both locked & unlocked)
+let lastClientX = 0 // previous clientX when not pointer locked
+const pointerLocked = ref(false)
+
+function updatePointerLocked() {
+  pointerLocked.value =
+    typeof document !== 'undefined' && document.pointerLockElement === rootEl.value
+  // Reset baseline if lock just engaged
+  if (pointerLocked.value) {
+    accumX = 0
+    startX = 0 // not used while locked
+  }
+}
+
+function addPointerLockListeners() {
+  if (typeof document === 'undefined') return
+  document.addEventListener('pointerlockchange', updatePointerLocked)
+  document.addEventListener('pointerlockerror', updatePointerLocked)
+}
+function removePointerLockListeners() {
+  if (typeof document === 'undefined') return
+  document.removeEventListener('pointerlockchange', updatePointerLocked)
+  document.removeEventListener('pointerlockerror', updatePointerLocked)
+}
 
 function onPointerDown(e) {
   e.preventDefault()
   startX = e.clientX
   startY = e.clientY
-  startVal = current.value
+  lastClientX = e.clientX
+  accumX = 0
   dragging.value = true
   try {
-    e.currentTarget.setPointerCapture(e.pointerId)
+    e.currentTarget.setPointerCapture?.(e.pointerId)
   } catch {}
-  rootEl.value?.addEventListener('pointermove', onPointerMove)
-  rootEl.value?.addEventListener('pointerup', onPointerUp, { once: true })
-  rootEl.value?.addEventListener('pointercancel', onPointerCancel, { once: true })
+  if (e.pointerType === 'mouse' && rootEl.value?.requestPointerLock) {
+    addPointerLockListeners()
+    try {
+      rootEl.value.requestPointerLock()
+    } catch {}
+  }
+  document.addEventListener('pointermove', onPointerMove)
+  document.addEventListener('pointerup', onPointerUp, { once: true })
+  document.addEventListener('pointercancel', onPointerCancel, { once: true })
 }
 function onPointerMove(e) {
   if (!dragging.value) return
-  // Prevent page scroll on touch while dragging
   if (e.pointerType === 'touch') e.preventDefault()
-  const primary = e.clientX - startX // horizontal only
-  const steps = Math.trunc(primary / props.pixelsPerStep)
-
-  // Find current value index in all valid values
-  const currentIndex = allValidValues.value.indexOf(startVal)
-  if (currentIndex === -1) return // shouldn't happen
-
-  const newIndex = currentIndex + steps
-  if (props.clamp) {
-    const clampedIndex = Math.max(0, Math.min(newIndex, allValidValues.value.length - 1))
-    const next = allValidValues.value[clampedIndex]
-    if (next !== current.value) current.value = next
+  let dx
+  if (pointerLocked.value) {
+    dx = e.movementX || 0
   } else {
-    if (newIndex >= 0 && newIndex < allValidValues.value.length) {
-      const next = allValidValues.value[newIndex]
+    dx = e.clientX - lastClientX
+    lastClientX = e.clientX
+  }
+  if (!dx) return
+  accumX += dx
+  const stepSize = props.pixelsPerStep || 1
+  let steps = Math.trunc(accumX / stepSize)
+  if (steps === 0) return
+  // Apply steps relative to current value index each time (dynamic baseline) and keep leftover pixels
+  const applySteps = (count) => {
+    const currentIndex = allValidValues.value.indexOf(current.value)
+    if (currentIndex === -1) return
+    let targetIndex = currentIndex + count
+    if (props.clamp) {
+      targetIndex = Math.max(0, Math.min(targetIndex, allValidValues.value.length - 1))
+    }
+    if (targetIndex >= 0 && targetIndex < allValidValues.value.length) {
+      const next = allValidValues.value[targetIndex]
       if (next !== current.value) current.value = next
     }
   }
+  applySteps(steps)
+  // Remove consumed distance (works even if clamped; leftover ensures responsiveness keeps consistent feel)
+  accumX -= steps * stepSize
 }
 function endDragListeners() {
-  rootEl.value?.removeEventListener('pointermove', onPointerMove)
+  document.removeEventListener('pointermove', onPointerMove)
+  if (pointerLocked.value && document.exitPointerLock) {
+    try {
+      document.exitPointerLock()
+    } catch {}
+  }
+  removePointerLockListeners()
 }
 function onPointerUp() {
   dragging.value = false
@@ -267,4 +312,7 @@ function onWheel(e) {
 .mini-stepper.drag-mode.dragging {
   cursor: grabbing;
 }
+.mini-stepper.drag-mode.pointer-locked.dragging {
+  cursor: none; /* hide cursor for infinite drag */
+}
 </style>
diff --git a/src/stores/CalendarStore.js b/src/stores/CalendarStore.js
index c744ddc..bb221f0 100644
--- a/src/stores/CalendarStore.js
+++ b/src/stores/CalendarStore.js
@@ -10,9 +10,6 @@ import {
 import { differenceInCalendarDays, addDays } from 'date-fns'
 import { initializeHolidays, getAvailableCountries, getAvailableStates } from '@/utils/holidays'
 
-const MIN_YEAR = 1900
-const MAX_YEAR = 2100
-
 export const useCalendarStore = defineStore('calendar', {
   state: () => ({
     today: toLocalString(new Date(), DEFAULT_TZ),
@@ -23,8 +20,6 @@ export const useCalendarStore = defineStore('calendar', {
     _holidaysInitialized: false,
     config: {
       select_days: 14,
-      min_year: MIN_YEAR,
-      max_year: MAX_YEAR,
       first_day: 1,
       holidays: {
         enabled: true,
@@ -34,12 +29,6 @@ export const useCalendarStore = defineStore('calendar', {
       },
     },
   }),
-
-  getters: {
-    minYear: () => MIN_YEAR,
-    maxYear: () => MAX_YEAR,
-  },
-
   actions: {
     _resolveCountry(code) {
       if (!code || code !== 'auto') return code
diff --git a/src/utils/date.js b/src/utils/date.js
index be9a7a2..523a3a1 100644
--- a/src/utils/date.js
+++ b/src/utils/date.js
@@ -23,6 +23,9 @@ const monthAbbr = [
   'nov',
   'dec',
 ]
+// Calendar year bounds (used instead of config.min_year / config.max_year)
+const MIN_YEAR = 1901
+const MAX_YEAR = 2100
 
 // Core helpers ------------------------------------------------------------
 /**
@@ -320,6 +323,8 @@ function formatTodayString(date) {
 export {
   // constants
   monthAbbr,
+  MIN_YEAR,
+  MAX_YEAR,
   DEFAULT_TZ,
   // core tz helpers
   makeTZDate,