PEAK-22:feat:added-slider-component

src/components/slider/Example.tsx

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+import { useState } from "react";
+import { Slider } from "./Slider";
+
+export function SliderExamples() {
+  const [continuousValue, setContinuousValue] = useState(50);
+  const [discreteValue, setDiscreteValue] = useState(5);
+  const [intensityValue, setIntensityValue] = useState(7);
+  const [weightValue, setWeightValue] = useState(70);
+
+  return (
+    <div
+      style={{
+        width: "50%",
+        display: "flex",
+        flexDirection: "column",
+        gap: "2rem",
+      }}
+    >
+      {/* Example 1: Basic Continuous Slider */}
+      <section>
+        <Slider
+          min={0}
+          max={100}
+          value={continuousValue}
+          onChange={setContinuousValue}
+          label="Medium"
+          type="continuous"
+        />
+        <p className={`caption`}>Selected: {continuousValue.toFixed(1)}</p>
+      </section>
+
+      {/* Example 2: Discrete Slider */}
+      <section>
+        <Slider
+          min={0}
+          max={10}
+          value={discreteValue}
+          onChange={setDiscreteValue}
+          label="Medium"
+          type="discrete"
+          step={1}
+        />
+        <p className={`caption`}>Selected: {discreteValue}</p>
+      </section>
+
+      {/* Example 3: Small Size */}
+      <section>
+        <Slider
+          min={1}
+          max={10}
+          value={intensityValue}
+          onChange={setIntensityValue}
+          label="Small"
+          type="discrete"
+          step={1}
+          size="small"
+        />
+      </section>
+
+      {/* Example 4: Large Size */}
+      <section>
+        <Slider
+          min={0}
+          max={100}
+          value={weightValue}
+          onChange={setWeightValue}
+          label="Large"
+          type="discrete"
+          step={10}
+          size="large"
+        />
+      </section>
+    </div>
+  );
+}
+
+/**
+ * COMMON USE CASES IN PEAKFIT:
+ *
+ * 1. Workout Intensity Selection
+ *    - 1-10 scale for perceived exertion
+ *
+ * 2. Rep/Set Ranges
+ *    - Set target reps for exercises
+ *
+ * 3. Weight Selection
+ *    - Choose working weight for exercises
+ *
+ * 4. Rest Time
+ *    - Set rest periods between sets
+ *
+ * 5. Progress Tracking
+ *    - Visual representation of goal completion
+ *
+ * 6. Nutrition Macros
+ *    - Adjust protein/carb/fat ratios
+ */
+
+export default SliderExamples;

src/components/slider/Slider.module.css

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+/* Slider.module.css - Uses PeakFit Theme System */
+
+.container {
+  width: 100%;
+  -webkit-touch-callout: none; /* iOS Safari */
+  -webkit-user-select: none; /* Safari */
+  -khtml-user-select: none; /* Konqueror HTML */
+  -moz-user-select: none; /* Old versions of Firefox */
+  -ms-user-select: none; /* Internet Explorer/Edge */
+  user-select: none; /* Non-prefixed version, currently
+                                  supported by Chrome, Edge, Opera and Firefox */
+}
+
+.label {
+  display: block;
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+}
+
+.sliderWrapper {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.value {
+  font-family: var(--font-ui);
+  font-size: 0.875rem;
+  font-weight: 500;
+  color: var(--text-secondary);
+  min-width: 2.5rem;
+  text-align: center;
+}
+
+.minValue {
+  text-align: right;
+}
+
+.maxValue {
+  text-align: left;
+}
+
+/* ===============================
+   Slider Track
+   =============================== */
+.sliderTrack {
+  position: relative;
+  flex: 1;
+  background: var(--surface-tertiary);
+  border: 1px solid var(--border-default);
+  width: 100px;
+  border-radius: 100px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+/* Sizes */
+.sliderTrack.small {
+  height: 8px;
+}
+
+.sliderTrack.medium {
+  height: 12px;
+}
+
+.sliderTrack.large {
+  height: 16px;
+}
+
+.sliderTrack:hover {
+  background: var(--surface-hover);
+}
+
+.sliderTrack.disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.sliderTrack.disabled:hover {
+  background: var(--surface-tertiary);
+}
+
+/* ===============================
+   Filled Track
+   =============================== */
+.sliderFill {
+  position: absolute;
+  top: 0;
+  left: 0;
+  height: 100%;
+  background: var(--gradient-primary);
+  border-radius: 100px;
+  pointer-events: none;
+  /* No transition - instant response */
+}
+
+/* ===============================
+   Thumb
+   =============================== */
+.thumb {
+  position: absolute;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  background: var(--surface-primary);
+  border: 3px solid var(--primary-500);
+  border-radius: 50%;
+  box-shadow: var(--shadow-md);
+  transition: all 0.2s ease;
+  z-index: 2;
+}
+
+/* Thumb sizes based on track size */
+.small .thumb {
+  width: 18px;
+  height: 18px;
+}
+
+.medium .thumb {
+  width: 22px;
+  height: 22px;
+}
+
+.large .thumb {
+  width: 26px;
+  height: 26px;
+}
+
+.thumb:hover {
+  transform: translate(-50%, -50%) scale(1.1);
+  box-shadow: var(--shadow-glow-primary);
+}
+
+/* Disable the width transition while dragging */
+.sliderFill.dragging {
+  transition: none; 
+}
+
+/* Update your existing .thumb.dragging class */
+.thumb.dragging {
+  transform: translate(-50%, -50%) scale(1.15);
+  box-shadow: var(--shadow-glow-primary);
+  /* Override 'transition: all' so 'left' updates instantly, 
+     but keep the smooth scale and glow effect */
+  transition: transform 0.2s ease, box-shadow 0.2s ease; 
+}
+
+.disabled .thumb {
+  cursor: not-allowed;
+}
+
+.disabled .thumb:hover {
+  transform: translate(-50%, -50%);
+  box-shadow: var(--shadow-md);
+}
+
+/* ===============================
+   Tooltip
+   =============================== */
+.tooltip {
+  position: absolute;
+  bottom: calc(100% + 12px);
+  left: 50%;
+  transform: translateX(-50%);
+  padding: 0.375rem 0.75rem;
+  background: var(--surface-secondary);
+  border: 1px solid var(--border-strong);
+  border-radius: 8px;
+  color: var(--text-primary);
+  font-family: var(--font-ui);
+  font-size: 0.875rem;
+  font-weight: 600;
+  white-space: nowrap;
+  box-shadow: var(--shadow-lg);
+  pointer-events: none;
+  animation: tooltipFadeIn 0.2s ease-out;
+  z-index: 10;
+}
+
+.tooltip::after {
+  content: "";
+  position: absolute;
+  top: 100%;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 0;
+  height: 0;
+  border-left: 6px solid transparent;
+  border-right: 6px solid transparent;
+  border-top: 6px solid var(--surface-secondary);
+}
+
+@keyframes tooltipFadeIn {
+  from {
+    opacity: 0;
+    transform: translateX(-50%) translateY(-4px);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(-50%) translateY(0);
+  }
+}
+
+/* ===============================
+   Discrete Steps
+   =============================== */
+.stepsContainer {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.stepsSubContainer {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  width: 98%;
+  height: 100%;
+}
+
+.stepMarker {
+  width: 4px;
+  height: 4px;
+  background: var(--surface-hover);
+  border-radius: 50%;
+  transition: all 0.2s ease;
+  background: var(--primary-400);
+}
+
+.stepMarker.active {
+  background: var(--primary-100);
+}
+
+/* Hide step markers on small size for cleaner look */
+.small .stepMarker {
+  width: 3px;
+  height: 3px;
+}
+
+/* ===============================
+   Responsive
+   =============================== */
+@media (max-width: 640px) {
+  .sliderWrapper {
+    gap: 0.75rem;
+  }
+
+  .value {
+    font-size: 0.75rem;
+    min-width: 2rem;
+  }
+
+  .tooltip {
+    font-size: 0.75rem;
+    padding: 0.25rem 0.5rem;
+  }
+}