From b6d6c02d0a6f280191e151ecda6fec0c8930917d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ya=C3=ABl=20Perret?= <y.perret@softpys.com>
Date: Thu, 10 Sep 2026 11:55:46 +0200
Subject: [PATCH] feat : Slider et RangeSlider

---
 src/app/_layout.tsx               |  40 +-
 src/app/switch-demo.tsx           | 134 ++++++-
 src/components/ui/RangeSlider.tsx | 619 ++++++++++++++++++++++++++++++
 src/components/ui/Slider.tsx      | 415 ++++++++++++++++++++
 src/components/ui/index.ts        |   8 +
 src/components/ui/sliderParts.tsx |  80 ++++
 src/theme/spacing.ts              |  26 ++
 7 files changed, 1300 insertions(+), 22 deletions(-)
 create mode 100644 src/components/ui/RangeSlider.tsx
 create mode 100644 src/components/ui/Slider.tsx
 create mode 100644 src/components/ui/index.ts
 create mode 100644 src/components/ui/sliderParts.tsx

diff --git a/src/app/_layout.tsx b/src/app/_layout.tsx
index 9b2ed88..7c70c95 100644
--- a/src/app/_layout.tsx
+++ b/src/app/_layout.tsx
@@ -4,6 +4,7 @@ import * as SplashScreen from 'expo-splash-screen';
 import * as SystemUI from 'expo-system-ui';
 import { useEffect } from 'react';
 import { StatusBar } from 'react-native';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
 import { SafeAreaProvider } from 'react-native-safe-area-context';
 
 import { queryClient } from '../hooks/queryClient';
@@ -36,24 +37,25 @@ export default function RootLayout() {
   if (!ready) return null;
 
   return (
-    <QueryClientProvider client={queryClient}>
-      <SafeAreaProvider>
-        <StatusBar
-          barStyle="light-content"
-          backgroundColor={colors.deepBackground}
-          translucent={false}
-        />
-        <Stack screenOptions={{ headerShown: false, contentStyle: { backgroundColor: colors.deepBackground } }}>
-          <Stack.Screen name="(auth)" />
-          <Stack.Screen name="(tabs)" />
-          <Stack.Screen name="(org)" />
-          <Stack.Screen name="switch-demo" />
-          <Stack.Screen name="event/[id]" />
-          <Stack.Screen name="create/event" options={{ presentation: 'modal' }} />
-          <Stack.Screen name="create/post"  options={{ presentation: 'modal' }} />
-        </Stack>
-        
-      </SafeAreaProvider>
-    </QueryClientProvider>
+    <GestureHandlerRootView style={{ flex: 1 }}>
+      <QueryClientProvider client={queryClient}>
+        <SafeAreaProvider>
+          <StatusBar
+            barStyle="light-content"
+            backgroundColor={colors.deepBackground}
+            translucent={false}
+          />
+          <Stack screenOptions={{ headerShown: false, contentStyle: { backgroundColor: colors.deepBackground } }}>
+            <Stack.Screen name="(auth)" />
+            <Stack.Screen name="(tabs)" />
+            <Stack.Screen name="(org)" />
+            <Stack.Screen name="switch-demo" />
+            <Stack.Screen name="event/[id]" />
+            <Stack.Screen name="create/event" options={{ presentation: 'modal' }} />
+            <Stack.Screen name="create/post"  options={{ presentation: 'modal' }} />
+          </Stack>
+        </SafeAreaProvider>
+      </QueryClientProvider>
+    </GestureHandlerRootView>
   );
 }
diff --git a/src/app/switch-demo.tsx b/src/app/switch-demo.tsx
index 0df5628..23c8d2e 100644
--- a/src/app/switch-demo.tsx
+++ b/src/app/switch-demo.tsx
@@ -1,8 +1,9 @@
 import { useState } from 'react';
 import { StyleSheet, Text, View } from 'react-native';
 
+import { Button } from '@/components/Button';
 import { FormField, Switch } from '@/components/form';
-import { Screen } from '@/components/ui/Screen';
+import { RangeSlider, Screen, Slider } from '@/components/ui';
 import { colors } from '@/theme/colors';
 import { spacing } from '@/theme/spacing';
 import { typography } from '@/theme/typography';
@@ -10,12 +11,24 @@ import { typography } from '@/theme/typography';
 export default function SwitchDemoScreen() {
   const [pushEnabled, setPushEnabled] = useState(true);
   const [weeklyDigestEnabled, setWeeklyDigestEnabled] = useState(false);
+  const [locationEnabled, setLocationEnabled] = useState(true);
+  const [autoPlayEnabled, setAutoPlayEnabled] = useState(false);
+  const [radiusKm, setRadiusKm] = useState(25);
+  const [resultCount, setResultCount] = useState(128);
+  const [priceRange, setPriceRange] = useState<[number, number]>([0, 65]);
+
+  const formatKm = (v: number) => `${v} km`;
+  const formatChf = (v: number) => `${v} CHF`;
+  const formatPriceRange = (minValue: number, maxValue: number) => {
+    const left = minValue === 0 ? 'Gratuit' : `${minValue} CHF`;
+    return `${left} - ${maxValue} CHF`;
+  };
 
   return (
     <Screen contentContainerStyle={styles.content}>
       <View style={styles.header}>
-        <Text style={styles.kicker}>DESIGN SYSTEM · SWITCH</Text>
-        <Text style={styles.title}>Demos du composant Switch</Text>
+        <Text style={styles.kicker}>DESIGN SYSTEM · SWITCH & SLIDER</Text>
+        <Text style={styles.title}>Demos phase 4</Text>
       </View>
 
       <FormField
@@ -70,6 +83,98 @@ export default function SwitchDemoScreen() {
           />
         </View>
       </FormField>
+
+      <FormField
+        label="Exemples rapides"
+        helper="Cas d'usage supplementaires"
+      >
+        <View style={styles.switchStack}>
+          <View style={styles.switchRowCompact}>
+            <Text style={styles.switchLabel}>Localisation precise</Text>
+            <Switch
+              accessibilityLabel="Activer la localisation precise"
+              value={locationEnabled}
+              onValueChange={setLocationEnabled}
+            />
+          </View>
+
+          <View style={styles.switchRowCompact}>
+            <Text style={styles.switchLabel}>Lecture auto des extraits</Text>
+            <Switch
+              accessibilityLabel="Activer la lecture automatique"
+              value={autoPlayEnabled}
+              onValueChange={setAutoPlayEnabled}
+              size="lg"
+            />
+          </View>
+
+          <View style={styles.inlineActions}>
+            <Button
+              label="Reset switches"
+              variant="secondary"
+              onPress={() => {
+                setPushEnabled(true);
+                setWeeklyDigestEnabled(false);
+                setLocationEnabled(true);
+                setAutoPlayEnabled(false);
+              }}
+            />
+          </View>
+        </View>
+      </FormField>
+
+      <View style={styles.sectionDivider} />
+
+      <FormField
+        label="B3 · Rayon de recherche"
+        helper={`Resultats: ${resultCount}`}
+      >
+        <Slider
+          label="Distance"
+          value={radiusKm}
+          onChange={setRadiusKm}
+          onChangeEnd={(v) => {
+            const nextCount = Math.max(12, 220 - v * 4);
+            setResultCount(nextCount);
+          }}
+          min={1}
+          max={50}
+          step={1}
+          formatValue={formatKm}
+          showBounds
+          ticks={[1, 10, 25, 50]}
+        />
+      </FormField>
+
+      <FormField label="B3 · Fourchette de prix" helper="0 a 100 CHF">
+        <RangeSlider
+          label="Prix"
+          value={priceRange}
+          onChange={setPriceRange}
+          min={0}
+          max={100}
+          step={1}
+          minGap={1}
+          formatValue={formatChf}
+          formatRange={formatPriceRange}
+          showBounds
+          ticks={[0, 25, 50, 75, 100]}
+        />
+      </FormField>
+
+      <FormField label="Curseur desactive" helper="Exemple disabled">
+        <Slider
+          label="Quota"
+          value={40}
+          onChange={() => undefined}
+          min={0}
+          max={100}
+          step={1}
+          formatValue={(v) => `${v}%`}
+          disabled
+          showBounds
+        />
+      </FormField>
     </Screen>
   );
 }
@@ -115,4 +220,27 @@ const styles = StyleSheet.create({
     ...typography.caption,
     color: colors.textSecondary,
   },
+  switchStack: {
+    gap: spacing[8],
+  },
+  switchRowCompact: {
+    minHeight: 56,
+    borderWidth: 1,
+    borderColor: colors.inputBorder,
+    borderRadius: 14,
+    backgroundColor: colors.inputBackground,
+    paddingHorizontal: 14,
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'space-between',
+    gap: spacing[12],
+  },
+  inlineActions: {
+    marginTop: spacing[4],
+  },
+  sectionDivider: {
+    height: 1,
+    backgroundColor: colors.divider,
+    marginVertical: spacing[4],
+  },
 });
diff --git a/src/components/ui/RangeSlider.tsx b/src/components/ui/RangeSlider.tsx
new file mode 100644
index 0000000..fc07f46
--- /dev/null
+++ b/src/components/ui/RangeSlider.tsx
@@ -0,0 +1,619 @@
+import * as Haptics from 'expo-haptics';
+import { useCallback, useEffect, useMemo, useRef } from 'react';
+import {
+    LayoutChangeEvent,
+    StyleSheet,
+    Text,
+    View,
+    type AccessibilityActionEvent,
+} from 'react-native';
+import { Gesture, GestureDetector } from 'react-native-gesture-handler';
+import Animated, {
+    runOnJS,
+    useAnimatedStyle,
+    useSharedValue,
+    withSpring,
+} from 'react-native-reanimated';
+
+import { colors } from '@/theme/colors';
+import { sliderMetrics, sliderMotion, spacing } from '@/theme/spacing';
+import { typography } from '@/theme/typography';
+
+import { SliderFill, SliderThumb, SliderTrack, sliderSizes } from './sliderParts';
+
+export type RangeSliderProps = {
+  value: [number, number];
+  onChange: (v: [number, number]) => void;
+  onChangeEnd?: (v: [number, number]) => void;
+  min?: number;
+  max?: number;
+  step?: number;
+  minGap?: number;
+  label?: string;
+  formatValue?: (v: number) => string;
+  formatRange?: (a: number, b: number) => string;
+  showBounds?: boolean;
+  ticks?: number[];
+  disabled?: boolean;
+  haptics?: boolean;
+};
+
+const accessibilityActions = [{ name: 'increment' }, { name: 'decrement' }] as const;
+
+type ThumbKey = 'min' | 'max';
+
+function clamp(value: number, min: number, max: number): number {
+  'worklet';
+  return Math.min(max, Math.max(min, value));
+}
+
+function safeStep(step: number): number {
+  return Number.isFinite(step) && step > 0 ? step : 1;
+}
+
+function quantize(value: number, min: number, max: number, step: number): number {
+  'worklet';
+  const q = Math.round((value - min) / step) * step + min;
+  return clamp(q, min, max);
+}
+
+function valueToX(value: number, min: number, max: number, trackWidth: number): number {
+  'worklet';
+  if (trackWidth <= 0 || max <= min) {
+    return 0;
+  }
+
+  const ratio = (value - min) / (max - min);
+  return clamp(ratio, 0, 1) * trackWidth;
+}
+
+function xToValue(x: number, min: number, max: number, step: number, trackWidth: number): number {
+  'worklet';
+  if (trackWidth <= 0 || max <= min) {
+    return min;
+  }
+
+  const clampedX = clamp(x, 0, trackWidth);
+  const raw = min + (clampedX / trackWidth) * (max - min);
+  return quantize(raw, min, max, step);
+}
+
+function normalizeRange(
+  range: [number, number],
+  min: number,
+  max: number,
+  step: number,
+  minGap: number,
+): [number, number] {
+  const start = quantize(range[0], min, max, step);
+  const end = quantize(range[1], min, max, step);
+  const boundedMinGap = Math.max(minGap, step);
+  const normalizedStart = clamp(start, min, end - boundedMinGap);
+  const normalizedEnd = clamp(end, normalizedStart + boundedMinGap, max);
+
+  return [normalizedStart, normalizedEnd];
+}
+
+export function RangeSlider({
+  value,
+  onChange,
+  onChangeEnd,
+  min = 0,
+  max = 100,
+  step = 1,
+  minGap = 1,
+  label,
+  formatValue,
+  formatRange,
+  showBounds = false,
+  ticks,
+  disabled = false,
+  haptics = true,
+}: RangeSliderProps) {
+  const normalizedStep = safeStep(step);
+  const boundedMinGap = Math.max(minGap, normalizedStep);
+  const formatSingle = formatValue ?? ((v: number) => String(v));
+  const formatPair = formatRange ?? ((a: number, b: number) => `${a} – ${b}`);
+
+  const normalizedRange = useMemo(
+    () => normalizeRange(value, min, max, normalizedStep, boundedMinGap),
+    [boundedMinGap, max, min, normalizedStep, value],
+  );
+
+  const trackWidth = useSharedValue(0);
+  const minX = useSharedValue(0);
+  const maxX = useSharedValue(0);
+  const minValue = useSharedValue(normalizedRange[0]);
+  const maxValue = useSharedValue(normalizedRange[1]);
+  const startX = useSharedValue(0);
+  const activeThumb = useSharedValue<0 | 1 | 2>(0);
+  const minScale = useSharedValue(1);
+  const maxScale = useSharedValue(1);
+
+  const lastReportedRef = useRef<[number, number]>(normalizedRange);
+
+  const emitHaptic = useCallback(() => {
+    Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light).catch(() => undefined);
+  }, []);
+
+  const emitChange = useCallback(
+    (nextMin: number, nextMax: number) => {
+      const [prevMin, prevMax] = lastReportedRef.current;
+      if (prevMin === nextMin && prevMax === nextMax) {
+        return;
+      }
+
+      lastReportedRef.current = [nextMin, nextMax];
+      onChange([nextMin, nextMax]);
+      if (haptics) {
+        emitHaptic();
+      }
+    },
+    [emitHaptic, haptics, onChange],
+  );
+
+  const emitChangeEnd = useCallback(
+    (nextMin: number, nextMax: number) => {
+      onChangeEnd?.([nextMin, nextMax]);
+    },
+    [onChangeEnd],
+  );
+
+  const syncFromProp = useCallback(() => {
+    if (trackWidth.value <= 0 || activeThumb.value !== 0) {
+      minValue.value = normalizedRange[0];
+      maxValue.value = normalizedRange[1];
+      return;
+    }
+
+    const nextMinX = valueToX(normalizedRange[0], min, max, trackWidth.value);
+    const nextMaxX = valueToX(normalizedRange[1], min, max, trackWidth.value);
+
+    minValue.value = normalizedRange[0];
+    maxValue.value = normalizedRange[1];
+    minX.value = withSpring(nextMinX, {
+      damping: sliderMotion.springDamping,
+      stiffness: sliderMotion.springStiffness,
+      mass: sliderMotion.springMass,
+    });
+    maxX.value = withSpring(nextMaxX, {
+      damping: sliderMotion.springDamping,
+      stiffness: sliderMotion.springStiffness,
+      mass: sliderMotion.springMass,
+    });
+  }, [activeThumb, max, maxValue, maxX, min, minValue, minX, normalizedRange, trackWidth]);
+
+  useEffect(() => {
+    lastReportedRef.current = normalizedRange;
+    syncFromProp();
+  }, [normalizedRange, syncFromProp]);
+
+  const onTrackLayout = useCallback(
+    (event: LayoutChangeEvent) => {
+      const nextWidth = event.nativeEvent.layout.width;
+      trackWidth.value = nextWidth;
+
+      minValue.value = normalizedRange[0];
+      maxValue.value = normalizedRange[1];
+      minX.value = valueToX(normalizedRange[0], min, max, nextWidth);
+      maxX.value = valueToX(normalizedRange[1], min, max, nextWidth);
+    },
+    [max, maxValue, maxX, min, minValue, minX, normalizedRange, trackWidth],
+  );
+
+  const minPan = Gesture.Pan()
+    .enabled(!disabled)
+    .hitSlop({
+      left: sliderSizes.thumbHitSlop,
+      right: sliderSizes.thumbHitSlop,
+      top: sliderSizes.thumbHitSlop,
+      bottom: sliderSizes.thumbHitSlop,
+    })
+    .onStart((event) => {
+      if (trackWidth.value <= 0) {
+        return;
+      }
+
+      const distanceBetweenThumbs = Math.abs(maxX.value - minX.value);
+      const touchX = event.x;
+      const minCenter = minX.value;
+      const maxCenter = maxX.value;
+      const distToMin = Math.abs(touchX - minCenter);
+      const distToMax = Math.abs(touchX - maxCenter);
+      const draggableRadius = sliderSizes.thumbSize / 2 + sliderSizes.thumbHitSlop;
+
+      if (distToMin > draggableRadius) {
+        return;
+      }
+
+      if (distanceBetweenThumbs < sliderMetrics.closeThumbThresholdPx && distToMin > distToMax) {
+        return;
+      }
+
+      activeThumb.value = 1;
+      startX.value = minX.value;
+      minScale.value = withSpring(sliderMotion.activeScale, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+    })
+    .onUpdate((event) => {
+      if (activeThumb.value !== 1 || trackWidth.value <= 0) {
+        return;
+      }
+
+      const limitMaxValue = maxValue.value - boundedMinGap;
+      const rawX = clamp(startX.value + event.translationX, 0, trackWidth.value);
+      const rawValue = xToValue(rawX, min, max, normalizedStep, trackWidth.value);
+      const nextMinValue = clamp(rawValue, min, limitMaxValue);
+      const snappedX = valueToX(nextMinValue, min, max, trackWidth.value);
+
+      if (nextMinValue !== minValue.value) {
+        minValue.value = nextMinValue;
+        minX.value = snappedX;
+        runOnJS(emitChange)(nextMinValue, maxValue.value);
+      }
+    })
+    .onEnd(() => {
+      if (activeThumb.value !== 1) {
+        return;
+      }
+
+      activeThumb.value = 0;
+      minScale.value = withSpring(1, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+      runOnJS(emitChangeEnd)(minValue.value, maxValue.value);
+    })
+    .onFinalize(() => {
+      if (activeThumb.value === 1) {
+        activeThumb.value = 0;
+      }
+      minScale.value = withSpring(1, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+    });
+
+  const maxPan = Gesture.Pan()
+    .enabled(!disabled)
+    .hitSlop({
+      left: sliderSizes.thumbHitSlop,
+      right: sliderSizes.thumbHitSlop,
+      top: sliderSizes.thumbHitSlop,
+      bottom: sliderSizes.thumbHitSlop,
+    })
+    .onStart((event) => {
+      if (trackWidth.value <= 0) {
+        return;
+      }
+
+      const distanceBetweenThumbs = Math.abs(maxX.value - minX.value);
+      const touchX = event.x;
+      const minCenter = minX.value;
+      const maxCenter = maxX.value;
+      const distToMin = Math.abs(touchX - minCenter);
+      const distToMax = Math.abs(touchX - maxCenter);
+      const draggableRadius = sliderSizes.thumbSize / 2 + sliderSizes.thumbHitSlop;
+
+      if (distToMax > draggableRadius) {
+        return;
+      }
+
+      if (distanceBetweenThumbs < sliderMetrics.closeThumbThresholdPx && distToMax > distToMin) {
+        return;
+      }
+
+      activeThumb.value = 2;
+      startX.value = maxX.value;
+      maxScale.value = withSpring(sliderMotion.activeScale, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+    })
+    .onUpdate((event) => {
+      if (activeThumb.value !== 2 || trackWidth.value <= 0) {
+        return;
+      }
+
+      const limitMinValue = minValue.value + boundedMinGap;
+      const rawX = clamp(startX.value + event.translationX, 0, trackWidth.value);
+      const rawValue = xToValue(rawX, min, max, normalizedStep, trackWidth.value);
+      const nextMaxValue = clamp(rawValue, limitMinValue, max);
+      const snappedX = valueToX(nextMaxValue, min, max, trackWidth.value);
+
+      if (nextMaxValue !== maxValue.value) {
+        maxValue.value = nextMaxValue;
+        maxX.value = snappedX;
+        runOnJS(emitChange)(minValue.value, nextMaxValue);
+      }
+    })
+    .onEnd(() => {
+      if (activeThumb.value !== 2) {
+        return;
+      }
+
+      activeThumb.value = 0;
+      maxScale.value = withSpring(1, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+      runOnJS(emitChangeEnd)(minValue.value, maxValue.value);
+    })
+    .onFinalize(() => {
+      if (activeThumb.value === 2) {
+        activeThumb.value = 0;
+      }
+      maxScale.value = withSpring(1, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+    });
+
+  const tapGesture = Gesture.Tap()
+    .enabled(!disabled)
+    .onStart((event) => {
+      if (trackWidth.value <= 0) {
+        return;
+      }
+
+      const tapX = clamp(event.x, 0, trackWidth.value);
+      const distToMin = Math.abs(tapX - minX.value);
+      const distToMax = Math.abs(tapX - maxX.value);
+      const target: ThumbKey = distToMin <= distToMax ? 'min' : 'max';
+
+      const tappedValue = xToValue(tapX, min, max, normalizedStep, trackWidth.value);
+
+      if (target === 'min') {
+        const nextMin = clamp(tappedValue, min, maxValue.value - boundedMinGap);
+        minValue.value = nextMin;
+        minX.value = withSpring(valueToX(nextMin, min, max, trackWidth.value), {
+          damping: sliderMotion.springDamping,
+          stiffness: sliderMotion.springStiffness,
+          mass: sliderMotion.springMass,
+        });
+        runOnJS(emitChange)(nextMin, maxValue.value);
+        runOnJS(emitChangeEnd)(nextMin, maxValue.value);
+        return;
+      }
+
+      const nextMax = clamp(tappedValue, minValue.value + boundedMinGap, max);
+      maxValue.value = nextMax;
+      maxX.value = withSpring(valueToX(nextMax, min, max, trackWidth.value), {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+      runOnJS(emitChange)(minValue.value, nextMax);
+      runOnJS(emitChangeEnd)(minValue.value, nextMax);
+    });
+
+  const gesture = Gesture.Simultaneous(minPan, maxPan, tapGesture);
+
+  const fillStyle = useAnimatedStyle(() => ({
+    left: minX.value,
+    width: Math.max(maxX.value - minX.value, 0),
+  }));
+
+  const minThumbStyle = useAnimatedStyle(() => ({
+    transform: [{ translateX: minX.value }, { scale: minScale.value }],
+  }));
+
+  const maxThumbStyle = useAnimatedStyle(() => ({
+    transform: [{ translateX: maxX.value }, { scale: maxScale.value }],
+  }));
+
+  const visualTicks = useMemo(() => {
+    if (!ticks || ticks.length === 0 || max <= min) {
+      return [];
+    }
+
+    return ticks
+      .map((tickValue) => {
+        const ratio = (tickValue - min) / (max - min);
+        const clampedRatio = Math.min(1, Math.max(0, ratio));
+        return { key: String(tickValue), left: `${clampedRatio * 100}%` };
+      });
+  }, [max, min, ticks]);
+
+  const applyAccessibilityStep = useCallback(
+    (thumb: ThumbKey, direction: 1 | -1) => {
+      const [currentMin, currentMax] = normalizedRange;
+
+      if (thumb === 'min') {
+        const nextMin = clamp(
+          quantize(currentMin + direction * normalizedStep, min, max, normalizedStep),
+          min,
+          currentMax - boundedMinGap,
+        );
+
+        if (nextMin === currentMin) {
+          return;
+        }
+
+        onChange([nextMin, currentMax]);
+        onChangeEnd?.([nextMin, currentMax]);
+      } else {
+        const nextMax = clamp(
+          quantize(currentMax + direction * normalizedStep, min, max, normalizedStep),
+          currentMin + boundedMinGap,
+          max,
+        );
+
+        if (nextMax === currentMax) {
+          return;
+        }
+
+        onChange([currentMin, nextMax]);
+        onChangeEnd?.([currentMin, nextMax]);
+      }
+
+      if (haptics) {
+        emitHaptic();
+      }
+    },
+    [boundedMinGap, emitHaptic, haptics, max, min, normalizedRange, normalizedStep, onChange, onChangeEnd],
+  );
+
+  const onAccessibilityActionMin = useCallback(
+    (event: AccessibilityActionEvent) => {
+      const direction = event.nativeEvent.actionName === 'increment' ? 1 : -1;
+      applyAccessibilityStep('min', direction);
+    },
+    [applyAccessibilityStep],
+  );
+
+  const onAccessibilityActionMax = useCallback(
+    (event: AccessibilityActionEvent) => {
+      const direction = event.nativeEvent.actionName === 'increment' ? 1 : -1;
+      applyAccessibilityStep('max', direction);
+    },
+    [applyAccessibilityStep],
+  );
+
+  const trackTop = (sliderSizes.minTouchSize - sliderSizes.trackHeight) / 2;
+  const thumbTop = (sliderSizes.minTouchSize - sliderSizes.thumbSize) / 2;
+
+  return (
+    <View style={[styles.root, disabled && styles.disabled]}>
+      {(label || formatPair) ? (
+        <View style={styles.headerRow}>
+          <Text style={styles.headerLabel}>{label ?? ''}</Text>
+          <Text style={styles.headerValue}>
+            {formatPair(normalizedRange[0], normalizedRange[1])}
+          </Text>
+        </View>
+      ) : null}
+
+      <GestureDetector gesture={gesture}>
+        <View onLayout={onTrackLayout} style={styles.railContainer}>
+          <SliderTrack style={[styles.track, { top: trackTop }]}>
+            <SliderFill style={[styles.fillBase, fillStyle]} />
+          </SliderTrack>
+
+          {visualTicks.length > 0 ? (
+            <View pointerEvents="none" style={styles.ticksRow}>
+              {visualTicks.map((tick) => (
+                <View key={tick.key} style={[styles.tickMark, { left: tick.left }]} />
+              ))}
+            </View>
+          ) : null}
+
+          <Animated.View
+            style={[styles.thumbPosition, { top: thumbTop, left: -sliderSizes.thumbRadius }, minThumbStyle]}
+            accessible
+            accessibilityRole="adjustable"
+            accessibilityLabel="Prix minimum"
+            accessibilityActions={accessibilityActions as never}
+            onAccessibilityAction={onAccessibilityActionMin}
+            accessibilityValue={{
+              min,
+              max,
+              now: normalizedRange[0],
+              text: formatSingle(normalizedRange[0]),
+            }}
+          >
+            <SliderThumb />
+          </Animated.View>
+
+          <Animated.View
+            style={[styles.thumbPosition, { top: thumbTop, left: -sliderSizes.thumbRadius }, maxThumbStyle]}
+            accessible
+            accessibilityRole="adjustable"
+            accessibilityLabel="Prix maximum"
+            accessibilityActions={accessibilityActions as never}
+            onAccessibilityAction={onAccessibilityActionMax}
+            accessibilityValue={{
+              min,
+              max,
+              now: normalizedRange[1],
+              text: formatSingle(normalizedRange[1]),
+            }}
+          >
+            <SliderThumb />
+          </Animated.View>
+        </View>
+      </GestureDetector>
+
+      {showBounds ? (
+        <View style={styles.boundsRow}>
+          <Text style={styles.boundsText}>{formatSingle(min)}</Text>
+          <Text style={styles.boundsText}>{formatSingle(max)}</Text>
+        </View>
+      ) : null}
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  root: {
+    gap: spacing[8],
+  },
+  disabled: {
+    opacity: 0.45,
+  },
+  headerRow: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'space-between',
+    gap: spacing[8],
+  },
+  headerLabel: {
+    ...typography.overlineSm,
+    color: colors.textSecondary,
+    flexShrink: 1,
+  },
+  headerValue: {
+    ...typography.cardTitle,
+    color: colors.textPrimary,
+  },
+  railContainer: {
+    minHeight: sliderSizes.minTouchSize,
+    justifyContent: 'center',
+  },
+  track: {
+    position: 'absolute',
+    left: 0,
+    right: 0,
+  },
+  fillBase: {
+    position: 'absolute',
+  },
+  thumbPosition: {
+    position: 'absolute',
+  },
+  ticksRow: {
+    position: 'absolute',
+    left: 0,
+    right: 0,
+    top: sliderSizes.minTouchSize - sliderMetrics.trackHeight,
+    height: spacing[12],
+  },
+  tickMark: {
+    position: 'absolute',
+    width: spacing[2],
+    height: spacing[6],
+    borderRadius: spacing[2],
+    marginLeft: -spacing[2] / 2,
+    backgroundColor: colors.inputBorder,
+  },
+  boundsRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+  },
+  boundsText: {
+    ...typography.metadataSm,
+    fontFamily: typography.overlineSm.fontFamily,
+    color: colors.textSecondary,
+  },
+});
+
+export default RangeSlider;
diff --git a/src/components/ui/Slider.tsx b/src/components/ui/Slider.tsx
new file mode 100644
index 0000000..adafcf9
--- /dev/null
+++ b/src/components/ui/Slider.tsx
@@ -0,0 +1,415 @@
+import * as Haptics from 'expo-haptics';
+import { useCallback, useEffect, useMemo, useRef } from 'react';
+import {
+    LayoutChangeEvent,
+    StyleSheet,
+    Text,
+    View,
+    type AccessibilityActionEvent
+} from 'react-native';
+import { Gesture, GestureDetector } from 'react-native-gesture-handler';
+import Animated, {
+    runOnJS,
+    useAnimatedStyle,
+    useSharedValue,
+    withSpring,
+} from 'react-native-reanimated';
+
+import { colors } from '@/theme/colors';
+import { sliderMetrics, sliderMotion, spacing } from '@/theme/spacing';
+import { typography } from '@/theme/typography';
+
+import { SliderFill, SliderThumb, SliderTrack, sliderSizes } from './sliderParts';
+
+export type SliderProps = {
+  value: number;
+  onChange: (v: number) => void;
+  onChangeEnd?: (v: number) => void;
+  min?: number;
+  max?: number;
+  step?: number;
+  label?: string;
+  formatValue?: (v: number) => string;
+  showBounds?: boolean;
+  ticks?: number[];
+  disabled?: boolean;
+  haptics?: boolean;
+};
+
+const accessibilityActions = [{ name: 'increment' }, { name: 'decrement' }] as const;
+
+function clamp(value: number, min: number, max: number): number {
+  'worklet';
+  return Math.min(max, Math.max(min, value));
+}
+
+function safeStep(step: number): number {
+  return Number.isFinite(step) && step > 0 ? step : 1;
+}
+
+function quantize(value: number, min: number, max: number, step: number): number {
+  'worklet';
+  const q = Math.round((value - min) / step) * step + min;
+  return clamp(q, min, max);
+}
+
+function valueToX(value: number, min: number, max: number, trackWidth: number): number {
+  'worklet';
+  if (trackWidth <= 0 || max <= min) {
+    return 0;
+  }
+
+  const ratio = (value - min) / (max - min);
+  return clamp(ratio, 0, 1) * trackWidth;
+}
+
+function xToValue(x: number, min: number, max: number, step: number, trackWidth: number): number {
+  'worklet';
+  if (trackWidth <= 0 || max <= min) {
+    return min;
+  }
+
+  const clampedX = clamp(x, 0, trackWidth);
+  const raw = min + (clampedX / trackWidth) * (max - min);
+  return quantize(raw, min, max, step);
+}
+
+export function Slider({
+  value,
+  onChange,
+  onChangeEnd,
+  min = 0,
+  max = 100,
+  step = 1,
+  label,
+  formatValue,
+  showBounds = false,
+  ticks,
+  disabled = false,
+  haptics = true,
+}: SliderProps) {
+  const normalizedStep = safeStep(step);
+  const format = formatValue ?? ((v: number) => String(v));
+  const normalizedValue = useMemo(
+    () => quantize(value, min, max, normalizedStep),
+    [max, min, normalizedStep, value],
+  );
+
+  const trackWidth = useSharedValue(0);
+  const thumbX = useSharedValue(0);
+  const currentValue = useSharedValue(normalizedValue);
+  const startX = useSharedValue(0);
+  const thumbScale = useSharedValue(1);
+  const isDragging = useSharedValue(false);
+
+  const lastReportedRef = useRef(normalizedValue);
+
+  const emitHaptic = useCallback(() => {
+    Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light).catch(() => undefined);
+  }, []);
+
+  const emitChange = useCallback(
+    (next: number) => {
+      if (lastReportedRef.current === next) {
+        return;
+      }
+
+      lastReportedRef.current = next;
+      onChange(next);
+      if (haptics) {
+        emitHaptic();
+      }
+    },
+    [emitHaptic, haptics, onChange],
+  );
+
+  const emitChangeEnd = useCallback(
+    (next: number) => {
+      onChangeEnd?.(next);
+    },
+    [onChangeEnd],
+  );
+
+  const syncFromProp = useCallback(() => {
+    if (trackWidth.value <= 0 || isDragging.value) {
+      currentValue.value = normalizedValue;
+      return;
+    }
+
+    const x = valueToX(normalizedValue, min, max, trackWidth.value);
+    currentValue.value = normalizedValue;
+    thumbX.value = withSpring(x, {
+      damping: sliderMotion.springDamping,
+      stiffness: sliderMotion.springStiffness,
+      mass: sliderMotion.springMass,
+    });
+  }, [currentValue, isDragging, max, min, normalizedValue, thumbX, trackWidth]);
+
+  useEffect(() => {
+    lastReportedRef.current = normalizedValue;
+    syncFromProp();
+  }, [normalizedValue, syncFromProp]);
+
+  const onTrackLayout = useCallback(
+    (event: LayoutChangeEvent) => {
+      const nextWidth = event.nativeEvent.layout.width;
+      trackWidth.value = nextWidth;
+      currentValue.value = normalizedValue;
+      thumbX.value = valueToX(normalizedValue, min, max, nextWidth);
+    },
+    [currentValue, max, min, normalizedValue, thumbX, trackWidth],
+  );
+
+  const panGesture = Gesture.Pan()
+    .enabled(!disabled)
+    .hitSlop({
+      left: sliderSizes.thumbHitSlop,
+      right: sliderSizes.thumbHitSlop,
+      top: sliderSizes.thumbHitSlop,
+      bottom: sliderSizes.thumbHitSlop,
+    })
+    .onStart((event) => {
+      if (trackWidth.value <= 0) {
+        return;
+      }
+
+      const centerX = thumbX.value;
+      const distance = Math.abs(event.x - centerX);
+      const draggableRadius = sliderSizes.thumbSize / 2 + sliderSizes.thumbHitSlop;
+
+      if (distance > draggableRadius) {
+        isDragging.value = false;
+        return;
+      }
+
+      isDragging.value = true;
+      startX.value = thumbX.value;
+      thumbScale.value = withSpring(sliderMotion.activeScale, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+    })
+    .onUpdate((event) => {
+      if (!isDragging.value || trackWidth.value <= 0) {
+        return;
+      }
+
+      const rawX = clamp(startX.value + event.translationX, 0, trackWidth.value);
+      const nextValue = xToValue(rawX, min, max, normalizedStep, trackWidth.value);
+      const snappedX = valueToX(nextValue, min, max, trackWidth.value);
+
+      if (nextValue !== currentValue.value) {
+        currentValue.value = nextValue;
+        thumbX.value = snappedX;
+        runOnJS(emitChange)(nextValue);
+      }
+    })
+    .onEnd(() => {
+      if (!isDragging.value) {
+        return;
+      }
+
+      isDragging.value = false;
+      thumbScale.value = withSpring(1, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+      runOnJS(emitChangeEnd)(currentValue.value);
+    })
+    .onFinalize(() => {
+      isDragging.value = false;
+      thumbScale.value = withSpring(1, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+    });
+
+  const tapGesture = Gesture.Tap()
+    .enabled(!disabled)
+    .onStart((event) => {
+      if (trackWidth.value <= 0) {
+        return;
+      }
+
+      const nextValue = xToValue(event.x, min, max, normalizedStep, trackWidth.value);
+      const snappedX = valueToX(nextValue, min, max, trackWidth.value);
+
+      currentValue.value = nextValue;
+      thumbX.value = withSpring(snappedX, {
+        damping: sliderMotion.springDamping,
+        stiffness: sliderMotion.springStiffness,
+        mass: sliderMotion.springMass,
+      });
+
+      runOnJS(emitChange)(nextValue);
+      runOnJS(emitChangeEnd)(nextValue);
+    });
+
+  const gesture = Gesture.Race(panGesture, tapGesture);
+
+  const fillStyle = useAnimatedStyle(() => ({
+    width: thumbX.value,
+  }));
+
+  const thumbStyle = useAnimatedStyle(() => ({
+    transform: [{ translateX: thumbX.value }, { scale: thumbScale.value }],
+  }));
+
+  const visualTicks = useMemo(() => {
+    if (!ticks || ticks.length === 0 || max <= min) {
+      return [];
+    }
+
+    return ticks
+      .map((tickValue) => {
+        const ratio = (tickValue - min) / (max - min);
+        const clampedRatio = Math.min(1, Math.max(0, ratio));
+        return { key: String(tickValue), left: `${clampedRatio * 100}%` };
+      });
+  }, [max, min, ticks]);
+
+  const handleAccessibilityAction = useCallback(
+    (event: AccessibilityActionEvent) => {
+      const direction = event.nativeEvent.actionName === 'increment' ? 1 : -1;
+      const next = quantize(
+        normalizedValue + direction * normalizedStep,
+        min,
+        max,
+        normalizedStep,
+      );
+
+      if (next === normalizedValue) {
+        return;
+      }
+
+      onChange(next);
+      onChangeEnd?.(next);
+      if (haptics) {
+        emitHaptic();
+      }
+    },
+    [emitHaptic, haptics, max, min, normalizedStep, normalizedValue, onChange, onChangeEnd],
+  );
+
+  const trackTop = (sliderSizes.minTouchSize - sliderSizes.trackHeight) / 2;
+  const thumbTop = (sliderSizes.minTouchSize - sliderSizes.thumbSize) / 2;
+
+  return (
+    <View style={[styles.root, disabled && styles.disabled]}>
+      {(label || format) ? (
+        <View style={styles.headerRow}>
+          <Text style={styles.headerLabel}>{label ?? ''}</Text>
+          <Text style={styles.headerValue}>{format(normalizedValue)}</Text>
+        </View>
+      ) : null}
+
+      <GestureDetector gesture={gesture}>
+        <View
+          onLayout={onTrackLayout}
+          style={styles.railContainer}
+          accessible
+          accessibilityRole="adjustable"
+          accessibilityLabel={label ?? 'Curseur'}
+          accessibilityActions={accessibilityActions as never}
+          onAccessibilityAction={handleAccessibilityAction}
+          accessibilityValue={{
+            min,
+            max,
+            now: normalizedValue,
+            text: format(normalizedValue),
+          }}
+        >
+          <SliderTrack style={[styles.track, { top: trackTop }]}>
+            <SliderFill style={fillStyle} />
+          </SliderTrack>
+
+          {visualTicks.length > 0 ? (
+            <View pointerEvents="none" style={styles.ticksRow}>
+              {visualTicks.map((tick) => (
+                <View key={tick.key} style={[styles.tickMark, { left: tick.left }]} />
+              ))}
+            </View>
+          ) : null}
+
+          <Animated.View style={[styles.thumbPosition, { top: thumbTop }, thumbStyle]}>
+            <SliderThumb />
+          </Animated.View>
+        </View>
+      </GestureDetector>
+
+      {showBounds ? (
+        <View style={styles.boundsRow}>
+          <Text style={styles.boundsText}>{format(min)}</Text>
+          <Text style={styles.boundsText}>{format(max)}</Text>
+        </View>
+      ) : null}
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  root: {
+    gap: spacing[8],
+  },
+  disabled: {
+    opacity: 0.45,
+  },
+  headerRow: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'space-between',
+    gap: spacing[8],
+  },
+  headerLabel: {
+    ...typography.overlineSm,
+    color: colors.textSecondary,
+    flexShrink: 1,
+  },
+  headerValue: {
+    ...typography.cardTitle,
+    color: colors.textPrimary,
+  },
+  railContainer: {
+    minHeight: sliderSizes.minTouchSize,
+    justifyContent: 'center',
+  },
+  track: {
+    position: 'absolute',
+    left: 0,
+    right: 0,
+  },
+  thumbPosition: {
+    position: 'absolute',
+    left: -sliderSizes.thumbRadius,
+  },
+  ticksRow: {
+    position: 'absolute',
+    left: 0,
+    right: 0,
+    top: sliderSizes.minTouchSize - sliderMetrics.trackHeight,
+    height: spacing[12],
+  },
+  tickMark: {
+    position: 'absolute',
+    width: spacing[2],
+    height: spacing[6],
+    borderRadius: spacing[2],
+    marginLeft: -spacing[2] / 2,
+    backgroundColor: colors.inputBorder,
+  },
+  boundsRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+  },
+  boundsText: {
+    ...typography.metadataSm,
+    fontFamily: typography.overlineSm.fontFamily,
+    color: colors.textSecondary,
+  },
+});
+
+export default Slider;
diff --git a/src/components/ui/index.ts b/src/components/ui/index.ts
new file mode 100644
index 0000000..c5a8480
--- /dev/null
+++ b/src/components/ui/index.ts
@@ -0,0 +1,8 @@
+export { Header } from './Header';
+export { RangeSlider } from './RangeSlider';
+export { Screen } from './Screen';
+export { Slider } from './Slider';
+
+export type { RangeSliderProps } from './RangeSlider';
+export type { SliderProps } from './Slider';
+
diff --git a/src/components/ui/sliderParts.tsx b/src/components/ui/sliderParts.tsx
new file mode 100644
index 0000000..06ab6a7
--- /dev/null
+++ b/src/components/ui/sliderParts.tsx
@@ -0,0 +1,80 @@
+import { LinearGradient } from 'expo-linear-gradient';
+import { StyleSheet, View, type StyleProp, type ViewStyle } from 'react-native';
+import Animated from 'react-native-reanimated';
+
+import { colors, gradientDirection, gradients } from '@/theme/colors';
+import { borderRadius, sliderMetrics, sliderShadow } from '@/theme/spacing';
+
+export const sliderSizes = {
+  trackHeight: sliderMetrics.trackHeight,
+  thumbSize: sliderMetrics.thumbSize,
+  thumbRadius: sliderMetrics.thumbSize / 2,
+  thumbBorderWidth: sliderMetrics.thumbBorderWidth,
+  minTouchSize: sliderMetrics.minTouchSize,
+  trackRadius: borderRadius.chip,
+  thumbHitSlop: (sliderMetrics.minTouchSize - sliderMetrics.thumbSize) / 2,
+} as const;
+
+type SliderTrackProps = {
+  style?: StyleProp<ViewStyle>;
+  children?: React.ReactNode;
+};
+
+export function SliderTrack({ style, children }: SliderTrackProps) {
+  return <View style={[styles.track, style]}>{children}</View>;
+}
+
+type SliderFillProps = {
+  style?: StyleProp<ViewStyle>;
+};
+
+export function SliderFill({ style }: SliderFillProps) {
+  return (
+    <Animated.View pointerEvents="none" style={[styles.fillMask, style]}>
+      <LinearGradient
+        colors={gradients.signature}
+        start={gradientDirection.start}
+        end={gradientDirection.end}
+        style={styles.fillGradient}
+      />
+    </Animated.View>
+  );
+}
+
+type SliderThumbProps = {
+  style?: StyleProp<ViewStyle>;
+};
+
+export function SliderThumb({ style }: SliderThumbProps) {
+  return <Animated.View pointerEvents="none" style={[styles.thumb, style]} />;
+}
+
+const styles = StyleSheet.create({
+  track: {
+    height: sliderSizes.trackHeight,
+    borderRadius: sliderSizes.trackRadius,
+    backgroundColor: colors.surfaceElevated,
+    overflow: 'hidden',
+  },
+  fillMask: {
+    height: sliderSizes.trackHeight,
+    borderRadius: sliderSizes.trackRadius,
+    overflow: 'hidden',
+  },
+  fillGradient: {
+    flex: 1,
+  },
+  thumb: {
+    width: sliderSizes.thumbSize,
+    height: sliderSizes.thumbSize,
+    borderRadius: sliderSizes.thumbRadius,
+    borderWidth: sliderSizes.thumbBorderWidth,
+    borderColor: colors.primary,
+    backgroundColor: colors.onPrimary,
+    shadowColor: colors.primary,
+    shadowOffset: { width: 0, height: 0 },
+    shadowOpacity: sliderShadow.opacity,
+    shadowRadius: sliderShadow.radius,
+    elevation: sliderShadow.elevation,
+  },
+});
diff --git a/src/theme/spacing.ts b/src/theme/spacing.ts
index 71aabb5..39087b3 100644
--- a/src/theme/spacing.ts
+++ b/src/theme/spacing.ts
@@ -1,10 +1,15 @@
 export const spacing = {
+  2: 2,
   4: 4,
+  6: 6,
   8: 8,
   12: 12,
   16: 16,
+  20: 20,
   24: 24,
+  26: 26,
   32: 32,
+  44: 44,
 } as const;
 
 export const space = spacing;
@@ -15,4 +20,25 @@ export const borderRadius = {
   chip: 9999,
 } as const;
 
+export const sliderMetrics = {
+  trackHeight: spacing[6],
+  thumbSize: spacing[26],
+  thumbBorderWidth: 3,
+  minTouchSize: spacing[44],
+  closeThumbThresholdPx: spacing[24],
+} as const;
+
+export const sliderMotion = {
+  activeScale: 1.18,
+  springDamping: 20,
+  springStiffness: 240,
+  springMass: 0.4,
+} as const;
+
+export const sliderShadow = {
+  opacity: 0.55,
+  radius: 12,
+  elevation: 6,
+} as const;
+
 export default spacing;