{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"liquidity-heatmap","type":"registry:component","title":"Liquidity Heatmap","description":"Animated liquidity bands across price and time, with a price trace and depth tooltips.","author":"Saurabh <saurabh10102@gmail.com>","dependencies":["clsx","motion","tailwind-merge"],"registryDependencies":[],"files":[{"path":"components/charts/liquidity-heatmap.tsx","type":"registry:component","target":"@components/charts/liquidity-heatmap.tsx","content":"\"use client\";\n// beui.dev/charts/liquidity-heatmap\n\nimport { createContext, useContext, useId, useMemo, useRef, useState, type ReactNode } from \"react\";\nimport { motion, useReducedMotion } from \"motion/react\";\nimport { NumberTicker } from \"@/components/motion/number-ticker\";\nimport { Tooltip } from \"@/components/motion/tooltip\";\nimport { EASE_OUT } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\nimport {\n  buildLiquidityHeatmap,\n  pricePosition,\n  type LiquiditySnapshot,\n} from \"./liquidity-heatmap/model\";\n\nconst formatPrice = (value: number) => value.toLocaleString(\"en-US\", { maximumFractionDigits: 2 });\nconst formatSize = (value: number) =>\n  value.toLocaleString(\"en-US\", { notation: \"compact\", maximumFractionDigits: 1 });\nconst colors = [\"#17233b\", \"#254f80\", \"#217c90\", \"#27af98\", \"#97d56b\", \"#f4df76\"];\nfunction heatColor(value: number, max: number) {\n  return colors[\n    Math.min(colors.length - 1, Math.floor((max > 0 ? value / max : 0) * colors.length))\n  ];\n}\ninterface LiquidityHeatmapProps {\n  /** Time-ordered snapshots; use consistent price buckets and stable IDs. */\n  snapshots: readonly LiquiditySnapshot[];\n  /** Fixed intensity ceiling keeps colors comparable across live updates. */\n  maxSize?: number;\n  unit?: string;\n  label?: string;\n  formatPrice?: (price: number) => string;\n  formatSize?: (size: number) => string;\n  children?: ReactNode;\n  className?: string;\n}\nconst Context = createContext<\n  | (ReturnType<typeof buildLiquidityHeatmap> & {\n      ceiling: number;\n      unit: string;\n      formatPrice: (value: number) => string;\n      formatSize: (value: number) => string;\n    })\n  | null\n>(null);\nexport function useLiquidityHeatmap() {\n  const value = useContext(Context);\n  if (!value) throw new Error(\"Liquidity heatmap parts must be inside LiquidityHeatmap\");\n  return value;\n}\nexport function LiquidityHeatmap({\n  snapshots,\n  maxSize,\n  unit = \"units\",\n  label = \"Liquidity heatmap\",\n  formatPrice: priceFormatter = formatPrice,\n  formatSize: sizeFormatter = formatSize,\n  children,\n  className,\n}: LiquidityHeatmapProps) {\n  const model = useMemo(() => buildLiquidityHeatmap(snapshots), [snapshots]);\n  const ceiling =\n    maxSize !== undefined && Number.isFinite(maxSize) && maxSize > 0 ? maxSize : model.maximum;\n  return (\n    <Context.Provider\n      value={{ ...model, ceiling, unit, formatPrice: priceFormatter, formatSize: sizeFormatter }}\n    >\n      <section aria-label={label} className={cn(\"w-full space-y-4\", className)}>\n        {children ?? (\n          <>\n            <LiquidityHeatmapPlot />\n            <LiquidityHeatmapLegend />\n          </>\n        )}\n      </section>\n    </Context.Provider>\n  );\n}\n\nexport function LiquidityHeatmapPlot({ className }: { className?: string }) {\n  const { columns, prices, ceiling, unit, formatPrice, formatSize } = useLiquidityHeatmap();\n  const reduced = useReducedMotion();\n  const root = useRef<HTMLDivElement>(null);\n  const anchor = useRef<HTMLButtonElement>(null);\n  const tooltipId = useId();\n  const [active, setActive] = useState<string | null>(null);\n  const [cursor, setCursor] = useState<string | null>(null);\n  const keys = prices.flatMap((price) =>\n    columns.map((column) => JSON.stringify([column.id, price])),\n  );\n  const validCursor = cursor !== null && keys.includes(cursor) ? cursor : keys[0];\n  if (cursor !== null && !keys.includes(cursor)) setCursor(null);\n  if (active !== null && !keys.includes(active)) setActive(null);\n  const activeIndex = active === null ? -1 : keys.indexOf(active);\n  const row = Math.floor(activeIndex / columns.length);\n  const col = activeIndex % columns.length;\n  const selected = activeIndex >= 0 ? columns[col] : null;\n  const size = selected?.levels.get(prices[row]);\n  let connected = false;\n  const path = columns\n    .map((column, index) => {\n      const y = column.price === undefined ? null : pricePosition(column.price, prices);\n      if (y === null) {\n        connected = false;\n        return \"\";\n      }\n      const command = connected ? \"L\" : \"M\";\n      connected = true;\n      return `${command}${index + 0.5},${y}`;\n    })\n    .join(\" \");\n  if (!prices.length || !columns.length)\n    return (\n      <p className={cn(\"py-16 text-center text-sm text-muted-foreground\", className)}>\n        No liquidity data\n      </p>\n    );\n  return (\n    <div className={cn(\"overflow-x-auto\", className)} ref={root}>\n      <div\n        className=\"relative\"\n        style={{ minWidth: Math.max(480, columns.length * 24), paddingRight: 72 }}\n      >\n        <div className=\"relative\">\n          <table\n            aria-label=\"Liquidity by price and time\"\n            className=\"w-full table-fixed border-separate border-spacing-[2px]\"\n          >\n            <thead className=\"sr-only\">\n              <tr>\n                {columns.map((column) => (\n                  <th key={column.id} scope=\"col\">\n                    {column.label}\n                  </th>\n                ))}\n              </tr>\n            </thead>\n            <tbody>\n              {prices.map((price, rowIndex) => (\n                <tr key={price}>\n                  {columns.map((column, columnIndex) => {\n                    const value = column.levels.get(price);\n                    const key = JSON.stringify([column.id, price]);\n                    const index = rowIndex * columns.length + columnIndex;\n                    return (\n                      <td key={column.id} className=\"p-0\">\n                        <button\n                          type=\"button\"\n                          data-cell={index}\n                          tabIndex={key === validCursor ? 0 : -1}\n                          aria-label={`${column.label}, ${formatPrice(price)}: ${value === undefined ? \"No data\" : `${formatSize(value)} ${unit}`}`}\n                          aria-describedby={key === active ? tooltipId : undefined}\n                          className=\"relative block h-6 w-full rounded-[2px] bg-muted/30 outline-none focus-visible:ring-2 focus-visible:ring-foreground focus-visible:z-10\"\n                          onPointerEnter={(event) => {\n                            if (event.pointerType !== \"touch\") {\n                              anchor.current = event.currentTarget;\n                              setActive(key);\n                            }\n                          }}\n                          onPointerLeave={() => setActive(null)}\n                          onFocus={(event) => {\n                            anchor.current = event.currentTarget;\n                            setCursor(key);\n                            setActive(key);\n                          }}\n                          onBlur={() => setActive(null)}\n                          onClick={(event) => {\n                            anchor.current = event.currentTarget;\n                            setActive(key);\n                          }}\n                          onKeyDown={(event) => {\n                            if (event.key === \"Escape\") {\n                              setActive(null);\n                              return;\n                            }\n                            const offsets: Record<string, number> = {\n                              ArrowRight: 1,\n                              ArrowLeft: -1,\n                              ArrowDown: columns.length,\n                              ArrowUp: -columns.length,\n                              Home: -columnIndex,\n                              End: columns.length - 1 - columnIndex,\n                            };\n                            if (!(event.key in offsets)) return;\n                            event.preventDefault();\n                            const next = Math.max(\n                              0,\n                              Math.min(keys.length - 1, index + offsets[event.key]),\n                            );\n                            root.current\n                              ?.querySelector<HTMLButtonElement>(`[data-cell=\"${next}\"]`)\n                              ?.focus();\n                          }}\n                        >\n                          <motion.span\n                            aria-hidden=\"true\"\n                            className=\"pointer-events-none absolute inset-0 rounded-[2px]\"\n                            initial={false}\n                            animate={{\n                              opacity: value === undefined ? 0 : 1,\n                              backgroundColor: heatColor(value ?? 0, ceiling),\n                            }}\n                            transition={{ duration: 0.28, ease: EASE_OUT }}\n                          />\n                          {key === active && (\n                            <span\n                              aria-hidden=\"true\"\n                              className=\"pointer-events-none absolute inset-0 rounded-[2px] ring-1 ring-inset ring-white\"\n                            />\n                          )}\n                        </button>\n                      </td>\n                    );\n                  })}\n                </tr>\n              ))}\n            </tbody>\n          </table>\n          <div\n            aria-hidden=\"true\"\n            className=\"absolute -right-[72px] top-0 bottom-0 flex w-16 flex-col justify-around text-right font-mono text-[10px] tabular-nums text-muted-foreground\"\n          >\n            {prices.map((price) => (\n              <span key={price}>{formatPrice(price)}</span>\n            ))}\n          </div>\n          {/* Remount only when trace topology changes; numeric coordinates otherwise interpolate together. */}\n          <svg\n            key={columns\n              .map(\n                (column) =>\n                  `${column.id}:${column.price !== undefined && pricePosition(column.price, prices) !== null}`,\n              )\n              .join(\"|\")}\n            aria-hidden=\"true\"\n            className=\"pointer-events-none absolute inset-0 h-full w-full overflow-visible\"\n            viewBox={`0 0 ${columns.length} ${prices.length}`}\n            preserveAspectRatio=\"none\"\n          >\n            <motion.path\n              initial={false}\n              animate={{ d: path }}\n              transition={{ duration: reduced ? 0 : 0.28, ease: EASE_OUT }}\n              fill=\"none\"\n              stroke=\"black\"\n              strokeOpacity=\"0.35\"\n              strokeWidth=\"4\"\n              vectorEffect=\"non-scaling-stroke\"\n            />\n            <motion.path\n              initial={false}\n              animate={{ d: path }}\n              transition={{ duration: reduced ? 0 : 0.28, ease: EASE_OUT }}\n              fill=\"none\"\n              stroke=\"white\"\n              strokeOpacity=\"0.9\"\n              strokeWidth=\"1.5\"\n              strokeLinejoin=\"round\"\n              vectorEffect=\"non-scaling-stroke\"\n            />\n          </svg>\n        </div>\n        <div\n          aria-hidden=\"true\"\n          className=\"mt-3 flex justify-between font-mono text-[10px] text-muted-foreground\"\n        >\n          {columns\n            .filter(\n              (_, index) =>\n                index % Math.max(1, Math.ceil(columns.length / 5)) === 0 ||\n                index === columns.length - 1,\n            )\n            .map((column) => (\n              <span key={column.id}>{column.label}</span>\n            ))}\n        </div>\n      </div>\n      <Tooltip\n        key={active ?? \"closed\"}\n        id={tooltipId}\n        open={selected !== null}\n        anchorRef={anchor}\n        onOpenChange={(open) => {\n          if (!open) setActive(null);\n        }}\n        content={\n          selected && (\n            <span className=\"flex flex-col gap-1 font-mono text-xs\">\n              <span className=\"text-muted-foreground\">\n                {selected.label} · {formatPrice(prices[row])}\n              </span>\n              <span className=\"inline-flex items-center tabular-nums\">\n                {size === undefined ? \"No data\" : (\n                  <NumberTicker\n                    value={size}\n                    // Format the original amount so fractional liquidity is preserved.\n                    format={() => formatSize(size)}\n                    suffix={` ${unit}`}\n                    duration={0.35}\n                    startOnView={false}\n                  />\n                )}\n              </span>\n              {selected.price !== undefined && Number.isFinite(selected.price) && (\n                <span className=\"text-muted-foreground\">Market {formatPrice(selected.price)}</span>\n              )}\n            </span>\n          )\n        }\n      />\n    </div>\n  );\n}\n\nexport function LiquidityHeatmapLegend({ className }: { className?: string }) {\n  const { ceiling, formatSize, unit } = useLiquidityHeatmap();\n  return (\n    <div\n      className={cn(\n        \"flex flex-wrap items-center justify-between gap-3 text-[10px] text-muted-foreground\",\n        className,\n      )}\n    >\n      <span>Resting liquidity · {unit}</span>\n      <span className=\"flex items-center gap-2\">\n        <span>0</span>\n        <span aria-hidden=\"true\" className=\"flex gap-0.5\">\n          {colors.map((color) => (\n            <span\n              key={color}\n              className=\"h-2 w-5 rounded-[1px]\"\n              style={{ backgroundColor: color }}\n            />\n          ))}\n        </span>\n        <span>{formatSize(ceiling)}+</span>\n      </span>\n    </div>\n  );\n}\nexport type { LiquiditySnapshot, LiquidityHeatmapProps };\n"},{"path":"components/charts/liquidity-heatmap/model.ts","type":"registry:component","target":"@components/charts/liquidity-heatmap/model.ts","content":"export interface LiquiditySnapshot {\n  /** Stable identity, usually an ISO timestamp. */\n  id: string;\n  label: string;\n  levels: readonly { price: number; size: number }[];\n  price?: number;\n}\n\n/** Invalid observations are omitted; zero size is distinct from missing data. */\nexport function buildLiquidityHeatmap(snapshots: readonly LiquiditySnapshot[]) {\n  const seen = new Set<string>();\n  const columns = snapshots\n    .filter((snapshot) => {\n      if (seen.has(snapshot.id)) return false;\n      seen.add(snapshot.id);\n      return true;\n    })\n    .map((snapshot) => {\n      const levels = new Map<number, number>();\n      for (const { price, size } of snapshot.levels) {\n        if (!Number.isFinite(price) || price <= 0 || !Number.isFinite(size) || size < 0) continue;\n        const total = (levels.get(price) ?? 0) + size;\n        if (Number.isFinite(total)) levels.set(price, total);\n      }\n      return { ...snapshot, levels };\n    });\n  const prices = [...new Set(columns.flatMap((column) => [...column.levels.keys()]))].sort(\n    (a, b) => b - a,\n  );\n  let maximum = 0;\n  for (const column of columns)\n    for (const size of column.levels.values()) maximum = Math.max(maximum, size);\n  return { columns, prices, maximum };\n}\n\n/** Price levels are discrete bands; interpolate the trace between their centers. */\nexport function pricePosition(price: number, prices: readonly number[]) {\n  if (\n    !Number.isFinite(price) ||\n    !prices.length ||\n    price > prices[0] ||\n    price < prices[prices.length - 1]\n  )\n    return null;\n  for (let index = 0; index < prices.length - 1; index++) {\n    if (price <= prices[index] && price >= prices[index + 1]) {\n      return index + 0.5 + (prices[index] - price) / (prices[index] - prices[index + 1]);\n    }\n  }\n  return prices.length - 0.5;\n}\n"},{"path":"components/motion/number-ticker.tsx","type":"registry:component","target":"@components/motion/number-ticker.tsx","content":"\"use client\";\n\nimport { animate, motion, useInView, useReducedMotion } from \"motion/react\";\nimport { useEffect, useMemo, useRef, useState } from \"react\";\nimport { EASE_OUT } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\n\nexport interface NumberTickerProps {\n  value: number;\n  /** Digits to pad to (left). */\n  pad?: number;\n  /** Per-digit roll duration in seconds. */\n  duration?: number;\n  /** Stagger between digits. */\n  stagger?: number;\n  /** Render only after the element enters the viewport. */\n  startOnView?: boolean;\n  prefix?: string;\n  suffix?: string;\n  /** Add a small blur during digit rolls. */\n  blur?: boolean;\n  className?: string;\n  digitClassName?: string;\n  /** Insert locale group separators (commas). Server-component safe. */\n  locale?: boolean;\n  /** Custom formatter. Client-only — server components must use `locale` instead. */\n  format?: (value: number) => string;\n}\n\nconst DIGIT_HEIGHT_EM = 1.1;\nconst DIGITS = Array.from({ length: 10 }, (_, n) => n);\n\nexport function NumberTicker({\n  value,\n  pad,\n  duration = 0.9,\n  stagger = 0.04,\n  startOnView = true,\n  prefix,\n  suffix,\n  blur = false,\n  className,\n  digitClassName,\n  locale,\n  format,\n}: NumberTickerProps) {\n  const containerRef = useRef<HTMLSpanElement>(null);\n  const inView = useInView(containerRef, { once: true, amount: 0.6 });\n  const [armed, setArmed] = useState(!startOnView);\n\n  useEffect(() => {\n    if (startOnView && inView) setArmed(true);\n  }, [startOnView, inView]);\n\n  const text = useMemo(() => {\n    const rounded = Math.round(value);\n    const formatted = format\n      ? format(rounded)\n      : locale\n        ? rounded.toLocaleString()\n        : rounded.toString();\n    return pad ? formatted.padStart(pad, \"0\") : formatted;\n  }, [value, pad, format, locale]);\n  const glyphs = useMemo(() => {\n    const chars = text.split(\"\");\n    // Key by place value (position from the right): a changing digit keeps its\n    // identity and rolls to the new value instead of remounting and replaying\n    // from 0. Growing numbers add glyphs on the left without re-keying the\n    // ones, tens, hundreds already on screen.\n    return chars.map((char, i) => ({ char, id: `g-${chars.length - 1 - i}` }));\n  }, [text]);\n  const readableText = `${prefix ?? \"\"}${text}${suffix ?? \"\"}`;\n\n  // Stagger is an entrance flourish. Once the reveal has played, value\n  // changes roll every digit immediately — a per-digit delay on live updates\n  // reads as lag.\n  const [entered, setEntered] = useState(false);\n  useEffect(() => {\n    if (!armed || entered) return;\n    const total = (duration + glyphs.length * stagger) * 1000;\n    const t = window.setTimeout(() => setEntered(true), total);\n    return () => window.clearTimeout(t);\n  }, [armed, entered, duration, stagger, glyphs.length]);\n\n  return (\n    <span\n      ref={containerRef}\n      className={cn(\"inline-flex items-center tabular-nums\", className)}\n    >\n      <span className=\"sr-only\">{readableText}</span>\n      <span aria-hidden=\"true\" className=\"inline-flex items-center\">\n        {prefix ? <span>{prefix}</span> : null}\n        {glyphs.map(({ char, id }, i) => {\n          const isDigit = /\\d/.test(char);\n          if (!isDigit) {\n            return (\n              <span key={id} className=\"inline-block\">\n                {char}\n              </span>\n            );\n          }\n          const digit = Number(char);\n          return (\n            <Digit\n              key={id}\n              digit={armed ? digit : 0}\n              delay={entered ? 0 : i * stagger}\n              duration={duration}\n              blur={blur}\n              className={digitClassName}\n            />\n          );\n        })}\n        {suffix ? <span>{suffix}</span> : null}\n      </span>\n    </span>\n  );\n}\n\nfunction Digit({\n  digit,\n  delay,\n  duration,\n  blur,\n  className,\n}: {\n  digit: number;\n  delay: number;\n  duration: number;\n  blur: boolean;\n  className?: string;\n}) {\n  const reduce = useReducedMotion();\n  const columnRef = useRef<HTMLSpanElement>(null);\n\n  useEffect(() => {\n    if (reduce || !blur || !columnRef.current || !Number.isFinite(digit)) {\n      return;\n    }\n\n    const node = columnRef.current;\n    const controls = animate(\n      node,\n      { filter: [\"blur(10px)\", \"blur(0px)\"] },\n      {\n        duration: Math.min(duration * 0.75, 0.32),\n        delay,\n        ease: EASE_OUT,\n      },\n    );\n\n    return () => {\n      controls.stop();\n      node.style.filter = \"blur(0px)\";\n    };\n  }, [blur, delay, digit, duration, reduce]);\n\n  return (\n    <span\n      className={cn(\"relative inline-block overflow-hidden\", className)}\n      style={{ height: `${DIGIT_HEIGHT_EM}em`, width: \"1ch\" }}\n    >\n      <motion.span\n        ref={columnRef}\n        initial={{ y: 0 }}\n        animate={{ y: `-${digit * DIGIT_HEIGHT_EM}em` }}\n        transition={\n          reduce\n            ? { duration: 0 }\n            : { duration, delay, ease: EASE_OUT }\n        }\n        className=\"absolute inset-x-0 top-0 flex flex-col items-center will-change-[transform,filter]\"\n      >\n        {DIGITS.map((n) => (\n          <span\n            key={n}\n            className=\"flex h-[1.1em] items-center justify-center leading-none\"\n          >\n            {n}\n          </span>\n        ))}\n      </motion.span>\n    </span>\n  );\n}\n"},{"path":"components/motion/tooltip.tsx","type":"registry:component","target":"@components/motion/tooltip.tsx","content":"\"use client\";\n\nimport { AnimatePresence } from \"motion/react\";\nimport {\n  cloneElement,\n  isValidElement,\n  type PointerEvent,\n  type ReactElement,\n  type ReactNode,\n  type RefObject,\n  useCallback,\n  useEffect,\n  useId,\n  useLayoutEffect,\n  useRef,\n  useState,\n} from \"react\";\nimport { createPortal } from \"react-dom\";\nimport { TooltipSurface } from \"@/components/motion/tooltip-surface\";\nimport { useDismiss } from \"@/lib/hooks/use-dismiss\";\nimport { useHoverGesture } from \"@/lib/hooks/use-hover-gesture\";\nimport { useTapGesture } from \"@/lib/hooks/use-tap-gesture\";\nimport { cn } from \"@/lib/utils\";\n\ntype Side = \"top\" | \"right\" | \"bottom\" | \"left\";\n\nexport interface TooltipProps {\n  content: ReactNode;\n  children?: ReactElement;\n  /** Existing trigger for controlled integrations such as chart cells. */\n  anchorRef?: RefObject<HTMLElement | SVGElement | null>;\n  /** Point within the anchor, as fractions of its rendered width and height. */\n  anchorPoint?: { x: number; y: number };\n  open?: boolean;\n  onOpenChange?: (open: boolean) => void;\n  id?: string;\n  side?: Side;\n  /** Delay before showing (ms). Default 120. */\n  delay?: number;\n  className?: string;\n  /** Classes for the outer wrapper span. Use to fix baseline / fill parent. */\n  wrapperClassName?: string;\n}\n\n// Gap between trigger and tooltip, in px.\nconst GAP = 8;\n\n// Centering transform for the fixed-positioned anchor point, per side.\nconst anchorTransform: Record<Side, string> = {\n  top: \"translate(-50%, -100%)\",\n  bottom: \"translate(-50%, 0)\",\n  left: \"translate(-100%, -50%)\",\n  right: \"translate(0, -50%)\",\n};\n\nconst transformOrigin: Record<Side, string> = {\n  top: \"center bottom\",\n  bottom: \"center top\",\n  left: \"right center\",\n  right: \"left center\",\n};\n\n// Once any tooltip has just closed, neighbouring tooltips open without the\n// initial delay — moving along a toolbar feels instant after the first one.\nconst WARM_WINDOW_MS = 300;\nlet lastHiddenAt = 0;\n\nexport function Tooltip({\n  content,\n  children,\n  side = \"top\",\n  delay = 120,\n  className,\n  wrapperClassName,\n  anchorRef: externalAnchorRef,\n  anchorPoint,\n  open: controlledOpen,\n  onOpenChange,\n  id: providedId,\n}: TooltipProps) {\n  const [internalOpen, setInternalOpen] = useState(false);\n  const open = controlledOpen ?? internalOpen;\n  const setOpen = useCallback(\n    (next: boolean) => {\n      if (controlledOpen === undefined) setInternalOpen(next);\n      onOpenChange?.(next);\n    },\n    [controlledOpen, onOpenChange],\n  );\n  const [coords, setCoords] = useState<{ top: number; left: number } | null>(null);\n  const generatedId = useId();\n  const id = providedId ?? generatedId;\n  const timer = useRef<ReturnType<typeof setTimeout> | null>(null);\n  const wrapperRef = useRef<HTMLSpanElement>(null);\n  const anchorRef = externalAnchorRef ?? wrapperRef;\n  const hover = useHoverGesture();\n  const surfaceRef = useRef<HTMLSpanElement>(null);\n\n  // Anchor point in viewport coords, on the edge of the trigger facing `side`.\n  // Position:fixed means these viewport coords place the tooltip directly, so\n  // it escapes every ancestor's stacking context and overflow.\n  const place = useCallback(() => {\n    const el = anchorRef.current;\n    if (!el) return;\n    const r = el.getBoundingClientRect();\n    const cx = r.left + r.width * (anchorPoint?.x ?? 0.5);\n    const cy = r.top + r.height * (anchorPoint?.y ?? 0.5);\n    const point: Record<Side, { top: number; left: number }> = {\n      top: { top: (anchorPoint ? cy : r.top) - GAP, left: cx },\n      bottom: { top: (anchorPoint ? cy : r.bottom) + GAP, left: cx },\n      left: { top: cy, left: (anchorPoint ? cx : r.left) - GAP },\n      right: { top: cy, left: (anchorPoint ? cx : r.right) + GAP },\n    };\n    const next = point[side];\n    const width = surfaceRef.current?.offsetWidth ?? 0;\n    const height = surfaceRef.current?.offsetHeight ?? 0;\n    const dx = side === \"left\" ? width : side === \"right\" ? 0 : width / 2;\n    const dy = side === \"top\" ? height : side === \"bottom\" ? 0 : height / 2;\n    next.left = Math.max(GAP + dx, Math.min(next.left, window.innerWidth - GAP - width + dx));\n    next.top = Math.max(GAP + dy, Math.min(next.top, window.innerHeight - GAP - height + dy));\n    setCoords(previous => previous?.top === next.top && previous.left === next.left ? previous : next);\n  }, [side, anchorRef, anchorPoint]);\n\n  const positioned = coords !== null;\n  useLayoutEffect(() => {\n    if (!open) return;\n    place();\n    const observer = new ResizeObserver(place);\n    if (anchorRef.current) observer.observe(anchorRef.current);\n    if (positioned && surfaceRef.current) observer.observe(surfaceRef.current);\n    return () => observer.disconnect();\n  }, [open, place, anchorRef, positioned]);\n\n  const show = useCallback(() => {\n    if (timer.current) clearTimeout(timer.current);\n    const warm = Date.now() - lastHiddenAt < WARM_WINDOW_MS;\n    timer.current = setTimeout(\n      () => {\n        place();\n        setOpen(true);\n      },\n      warm ? 0 : delay,\n    );\n  }, [delay, place, setOpen]);\n\n  const hide = useCallback(() => {\n    if (timer.current) {\n      clearTimeout(timer.current);\n      timer.current = null;\n    }\n    if (open) lastHiddenAt = Date.now();\n    setOpen(false);\n  }, [open, setOpen]);\n\n  // A finger never hovers, and Safari does not focus a button on tap either, so\n  // the label is only reachable if the tap itself opens the tooltip. A click\n  // carries no pointerType, so the pointerdown that preceded it is what says\n  // whether this was a tap; keyboard activation arrives with no pointerdown at\n  // all, and focus has already shown the label there.\n  const tap = useTapGesture<boolean>();\n\n  const toggleOnTap = useCallback(() => {\n    const gesture = tap.take();\n    if (!gesture || gesture.pointerType === \"mouse\") return;\n    if (gesture.state) {\n      hide();\n      return;\n    }\n    if (timer.current) clearTimeout(timer.current);\n    place();\n    setOpen(true);\n  }, [hide, place, tap, setOpen]);\n\n  // ...and closed again by the next tap that lands somewhere else. The label\n  // covers nothing interactive, so that tap passes through to what it hit.\n  useDismiss(open, hide, anchorRef);\n\n  // Keep the tooltip pinned to the trigger while it's open and the page scrolls\n  // or resizes (fixed coords are viewport-relative).\n  useEffect(() => {\n    if (!open) return;\n    const onMove = () => place();\n    window.addEventListener(\"scroll\", onMove, true);\n    window.addEventListener(\"resize\", onMove);\n    return () => {\n      window.removeEventListener(\"scroll\", onMove, true);\n      window.removeEventListener(\"resize\", onMove);\n    };\n  }, [open, place]);\n\n  useEffect(\n    () => () => {\n      if (timer.current) clearTimeout(timer.current);\n    },\n    [],\n  );\n\n  if (!externalAnchorRef && !isValidElement(children)) return children;\n\n  // The label describes the trigger, so it has to name the trigger itself.\n  // Everything else the tooltip needs is read off the anchor below instead of\n  // cloned on: a handler written onto the child is the child's handler as far\n  // as that child can tell, and a component that owns its activation —\n  // hard-wiring onClick and spreading the rest of its props over it, as\n  // ThemeToggle does — then runs the tooltip's instead of its own. Composing\n  // with `props.onClick` cannot save it either, because a component element's\n  // props hold nothing the component does internally.\n  const trigger = isValidElement(children)\n    ? cloneElement(children as ReactElement<Record<string, unknown>>, {\n        \"aria-describedby\": id,\n      })\n    : null;\n\n  return (\n    <>\n      {!externalAnchorRef ? (\n        // biome-ignore lint/a11y/noStaticElementInteractions: This wrapper observes bubbling trigger events without replacing the control's handlers.\n        <span\n          ref={wrapperRef}\n          className={cn(\"relative inline-flex align-middle\", wrapperClassName)}\n          // Pointer events, not the mouse pair: a tap fires compatibility\n          // mouseenter/mouseleave that carry no pointerType, which raced the tap\n          // path into opening and closing the same label.\n          onPointerEnter={(event: PointerEvent) => {\n            if (hover.enter(event)) show();\n          }}\n          onPointerLeave={(event: PointerEvent) => {\n            if (hover.leave(event)) hide();\n          }}\n          onFocus={show}\n          onBlur={hide}\n          onPointerDown={(event: PointerEvent) => tap.start(event, open)}\n          // A gesture the platform took away sends no click, and a key press\n          // starts an activation that never had a pointer behind it. Either way\n          // the record has to go, or the next click reads a finger that has long\n          // since lifted.\n          onPointerCancel={tap.drop}\n          onKeyDown={tap.drop}\n          onClick={toggleOnTap}\n        >\n          {trigger}\n        </span>\n      ) : null}\n      {typeof document !== \"undefined\"\n        ? createPortal(\n            <AnimatePresence>\n              {open && coords ? (\n                <span\n                  className=\"pointer-events-none fixed z-[9999]\"\n                  style={{\n                    top: coords.top,\n                    left: coords.left,\n                    transform: anchorTransform[side],\n                  }}\n                >\n                  <TooltipSurface\n                    ref={surfaceRef}\n                    id={id}\n                    side={side}\n                    style={{ transformOrigin: transformOrigin[side], maxWidth: \"calc(100vw - 16px)\", whiteSpace: \"normal\" }}\n                    className={className}\n                  >\n                    {content}\n                  </TooltipSurface>\n                </span>\n              ) : null}\n            </AnimatePresence>,\n            document.body,\n          )\n        : null}\n    </>\n  );\n}\n"},{"path":"lib/ease.ts","type":"registry:lib","target":"@lib/ease.ts","content":"// Shared motion tokens. Easing curves mirror the CSS custom properties in\n// globals.css; springs are the canonical physics used across components.\n// Strong custom variants — defaults like `ease-in`/`ease-out` feel weak.\n\nexport const EASE_OUT = [0.16, 1, 0.3, 1] as const;\nexport const EASE_IN_OUT = [0.77, 0, 0.175, 1] as const;\nexport const EASE_DRAWER = [0.32, 0.72, 0, 1] as const;\n\n/** CSS string form of EASE_OUT for inline style transitions. */\nexport const EASE_OUT_CSS = \"cubic-bezier(0.16, 1, 0.3, 1)\";\n\n/** Press feedback on buttons and other tappable surfaces. */\nexport const SPRING_PRESS = {\n  type: \"spring\",\n  stiffness: 500,\n  damping: 30,\n  mass: 0.6,\n} as const;\n\n/** Content swaps — label/icon slots trading places inside a control. */\nexport const SPRING_SWAP = {\n  type: \"spring\",\n  stiffness: 460,\n  damping: 30,\n  mass: 0.55,\n} as const;\n\n/** Overlay panel entrances — modals and sheets summoned by pointer. */\nexport const SPRING_PANEL = {\n  type: \"spring\",\n  stiffness: 420,\n  damping: 40,\n  mass: 0.5,\n} as const;\n\n/** Shared-layout glides — pills, indicators and panels morphing between positions. */\nexport const SPRING_LAYOUT = {\n  type: \"spring\",\n  stiffness: 360,\n  damping: 32,\n  mass: 0.6,\n} as const;\n\n/** Cursor-follow physics for decorative mouse tracking (magnetic, tilt, dock). */\nexport const SPRING_MOUSE = {\n  stiffness: 200,\n  damping: 15,\n  mass: 0.3,\n} as const;\n\n/** Dragged handles and fills (sliders) — critically damped `useSpring` config,\n * so the value follows the pointer butterily and never rebounds off an end. */\nexport const SPRING_GLIDE = {\n  stiffness: 700,\n  damping: 50,\n  mass: 0.5,\n} as const;\n"},{"path":"lib/utils.ts","type":"registry:lib","target":"@lib/utils.ts","content":"import { clsx, type ClassValue } from \"clsx\"\nimport { twMerge } from \"tailwind-merge\"\n\nexport function cn(...inputs: ClassValue[]) {\n  return twMerge(clsx(inputs))\n}\n"},{"path":"components/motion/tooltip-surface.tsx","type":"registry:component","target":"@components/motion/tooltip-surface.tsx","content":"\"use client\";\n\nimport { motion, useReducedMotion, type Variants } from \"motion/react\";\nimport { useMemo, type ComponentProps, type ReactNode, type Ref } from \"react\";\nimport { EASE_OUT } from \"@/lib/ease\";\nimport { cn } from \"@/lib/utils\";\n\ntype Side = \"top\" | \"right\" | \"bottom\" | \"left\";\n\n// Offset is in the direction *away* from the trigger — content originates near\n// the trigger and rises into resting position.\nconst offsetFrom: Record<Side, { x?: number; y?: number }> = {\n  top: { y: 8 },\n  bottom: { y: -8 },\n  left: { x: 8 },\n  right: { x: -8 },\n};\n\n// Small tooltip surfaces need the lighter spawn used by the original Tooltip.\nconst TOOLTIP_SPRING = { type: \"spring\", stiffness: 380, damping: 30, mass: 0.7 } as const;\n\nfunction buildVariants(side: Side): Variants {\n  const o = offsetFrom[side];\n  return {\n    initial: {\n      opacity: 0,\n      scale: 0.9,\n      filter: \"blur(5px)\",\n      x: o.x ?? 0,\n      y: o.y ?? 0,\n    },\n    animate: {\n      opacity: 1,\n      scale: 1,\n      filter: \"blur(0px)\",\n      x: 0,\n      y: 0,\n      transition: {\n        ...TOOLTIP_SPRING,\n        opacity: { duration: 0.14, ease: EASE_OUT },\n        filter: { duration: 0.18, ease: EASE_OUT },\n      },\n    },\n    exit: {\n      opacity: 0,\n      scale: 0.94,\n      filter: \"blur(3px)\",\n      x: (o.x ?? 0) * 0.6,\n      y: (o.y ?? 0) * 0.6,\n      transition: { duration: 0.12, ease: EASE_OUT },\n    },\n  };\n}\n\nconst REDUCED_VARIANTS: Variants = {\n  initial: { opacity: 0 },\n  animate: { opacity: 1, transition: { duration: 0.14, ease: EASE_OUT } },\n  exit: { opacity: 0, transition: { duration: 0.1, ease: EASE_OUT } },\n};\n\n/** The shared visual surface for trigger tooltips and chart readouts. Positioning belongs to the caller. */\nexport function TooltipSurface({\n  children,\n  side = \"top\",\n  className,\n  ref,\n  ...props\n}: Omit<ComponentProps<typeof motion.span>, \"children\"> & {\n  children?: ReactNode;\n  side?: Side;\n  ref?: Ref<HTMLSpanElement>;\n}) {\n  const reduce = useReducedMotion();\n  const variants = useMemo(() => reduce ? REDUCED_VARIANTS : buildVariants(side), [reduce, side]);\n  return (\n    <motion.span\n      ref={ref}\n      role=\"tooltip\"\n      variants={variants}\n      initial=\"initial\"\n      animate=\"animate\"\n      exit=\"exit\"\n      className={cn(\n        \"block whitespace-nowrap rounded-lg border border-border bg-background px-2.5 py-1 text-xs font-medium text-foreground shadow-lg\",\n        className,\n      )}\n      {...props}\n    >\n      {children}\n    </motion.span>\n  );\n}\n"},{"path":"lib/hooks/use-dismiss.ts","type":"registry:hook","target":"@lib/hooks/use-dismiss.ts","content":"\"use client\";\n\nimport { type RefObject, useEffect } from \"react\";\n\n/**\n * What the dismissing gesture does to the control it landed on.\n *\n * `\"pass-through\"` is the platform norm (native popover light-dismiss): the\n * tap closes the overlay *and* activates whatever was under it. Use\n * `\"consume\"` where the open overlay sits over or beside controls that would\n * be costly to trigger by accident — the dismissal then swallows the\n * activation too, so the gesture only closes.\n */\nexport type DismissBehavior = \"pass-through\" | \"consume\";\n\nexport interface DismissOptions {\n  /** Default `\"pass-through\"`. */\n  behavior?: DismissBehavior;\n  /** Dismiss on Escape as well. Default true. */\n  escape?: boolean;\n  /** Return true for an outside target that should *not* dismiss. Must be stable. */\n  ignore?: (target: Element) => boolean;\n}\n\n/**\n * What every currently open dismiss scope counts as inside itself. A consumed\n * dismissal reads this to tell a stray gesture from one that belongs to an\n * overlay in front of it: overlays have no shared z-order to consult, but the\n * one the gesture landed in has said as much by registering it.\n */\nconst openScopes = new Set<(target: Element) => boolean>();\n\nfunction claimedByAnotherScope(\n  self: (target: Element) => boolean,\n  target: Element,\n) {\n  for (const scope of openScopes) {\n    if (scope !== self && scope(target)) return true;\n  }\n  return false;\n}\n\n// preventDefault on pointerdown does not suppress the click that follows, so\n// consuming a gesture means swallowing that click itself. The swallower\n// deliberately outlives the effect that installed it — the dismissal it\n// belongs to has already unmounted or re-rendered by the time the click lands.\n// It releases on that click, or on the next gesture if the pointer is dragged\n// away and no click ever arrives, so it can never eat a later one. A keydown\n// releases it too: a gesture that ends with neither a click nor a cancel would\n// otherwise leave it armed, and the click Enter synthesizes on some focused\n// control is not the one this dismissal was owed.\nfunction consumeActivation(source: Event) {\n  const swallow = (event: MouseEvent) => {\n    event.preventDefault();\n    event.stopPropagation();\n    release();\n  };\n  const restart = (event: Event) => {\n    if (event !== source) release();\n  };\n  const release = () => {\n    window.removeEventListener(\"click\", swallow, true);\n    window.removeEventListener(\"pointerdown\", restart, true);\n    window.removeEventListener(\"pointercancel\", restart, true);\n    window.removeEventListener(\"keydown\", release, true);\n  };\n  window.addEventListener(\"click\", swallow, true);\n  window.addEventListener(\"pointerdown\", restart, true);\n  window.addEventListener(\"pointercancel\", restart, true);\n  window.addEventListener(\"keydown\", release, true);\n}\n\n/**\n * Close an open overlay on Escape or a pointerdown outside `ref`. Pass `null`\n * for `ref` when what counts as inside isn't one element, and say so with\n * `ignore` instead.\n *\n * The pointerdown listener is capture-phase: a bubble-phase one is blinded by\n * any handler in between that stops propagation, and an overlay cannot know\n * what it is layered over. `onDismiss` and `ignore` must be stable (wrap in\n * useCallback) so the listeners aren't re-bound every render while open.\n */\nexport function useDismiss(\n  open: boolean,\n  onDismiss: () => void,\n  ref: RefObject<HTMLElement | SVGElement | null> | null,\n  {\n    behavior = \"pass-through\",\n    escape: dismissOnEscape = true,\n    ignore,\n  }: DismissOptions = {},\n) {\n  useEffect(() => {\n    if (!open) return;\n    const inside = (target: Element) =>\n      Boolean(ref?.current?.contains(target)) || Boolean(ignore?.(target));\n    const onKey = (event: KeyboardEvent) => {\n      if (dismissOnEscape && event.key === \"Escape\") onDismiss();\n    };\n    const onPointer = (event: PointerEvent) => {\n      const target = event.target as Element | null;\n      if (!target || inside(target)) return;\n      // Outside this overlay, but inside one that is also open: the gesture is\n      // that overlay's to answer, and swallowing its click from behind would\n      // cost the user the control they actually aimed at.\n      if (behavior === \"consume\" && !claimedByAnotherScope(inside, target)) {\n        consumeActivation(event);\n      }\n      onDismiss();\n    };\n    openScopes.add(inside);\n    window.addEventListener(\"keydown\", onKey);\n    window.addEventListener(\"pointerdown\", onPointer, true);\n    return () => {\n      openScopes.delete(inside);\n      window.removeEventListener(\"keydown\", onKey);\n      window.removeEventListener(\"pointerdown\", onPointer, true);\n    };\n  }, [open, onDismiss, ref, behavior, dismissOnEscape, ignore]);\n}\n"},{"path":"lib/hooks/use-hover-gesture.ts","type":"registry:hook","target":"@lib/hooks/use-hover-gesture.ts","content":"\"use client\";\n\nimport { useMemo, useRef } from \"react\";\nimport { isHoveringPointer } from \"@/lib/touch\";\n\ninterface BoundaryEvent {\n  pointerId: number;\n  pointerType: string;\n  buttons: number;\n}\n\nexport interface HoverGesture {\n  /** True when this enter starts a hover: the pointer arrived resting, not pressing. */\n  enter: (event: BoundaryEvent) => boolean;\n  /** True when this leave ends a hover that entered as one. */\n  leave: (event: BoundaryEvent) => boolean;\n}\n\n/**\n * Pairs a surface's enter with its leave, per pointer.\n *\n * `isHoveringPointer` answers the question the *enter* asks — is this pointer\n * resting on the surface or pressing it — and both boundary cases go wrong if\n * the leave is asked the same question again:\n *\n * - A pen with no hover never rests. It arrives in contact, taps, and the spec\n *   then requires its boundary events after `pointerup`, so the leave carries\n *   `buttons: 0` and reads as a mouse gliding off. Hover teardown then undid\n *   the tap — the panel the pen had just opened closed under it.\n * - A mouse pressed on the surface and dragged off leaves with `buttons: 1`.\n *   Skipping teardown there strands the surface open: the release happens\n *   outside, and no second leave ever comes.\n *\n * So the state a hover holds is released by the pointer that took it, whatever\n * the buttons say at the boundary, and a pointer that arrived in contact never\n * took it in the first place. Contact is the exception tracked here, not\n * hover: a leave from a pointer this surface never saw enter — mounted under\n * the cursor, say — still counts, since the alternative is state with no way\n * out.\n */\nexport function useHoverGesture(): HoverGesture {\n  const contact = useRef(new Set<number>());\n\n  return useMemo(\n    () => ({\n      enter: (event) => {\n        if (isHoveringPointer(event)) {\n          contact.current.delete(event.pointerId);\n          return true;\n        }\n        contact.current.add(event.pointerId);\n        return false;\n      },\n      leave: (event) => {\n        const arrivedInContact = contact.current.delete(event.pointerId);\n        return !arrivedInContact && event.pointerType !== \"touch\";\n      },\n    }),\n    [],\n  );\n}\n"},{"path":"lib/hooks/use-tap-gesture.ts","type":"registry:hook","target":"@lib/hooks/use-tap-gesture.ts","content":"\"use client\";\n\nimport { useMemo, useRef } from \"react\";\n\n/** What a pointerdown recorded, read back by the click that ends its gesture. */\nexport interface TapRecord<S> {\n  /** Which input started the gesture. */\n  pointerType: string;\n  /** What the surface was showing when it started. */\n  state: S;\n}\n\nexport interface TapGesture<S> {\n  /** Record the gesture a pointerdown starts, with the state it starts in. */\n  start: (event: { pointerType: string }, state: S) => void;\n  /** Read the record and clear it. `null` when no pointer is behind this click. */\n  take: () => TapRecord<S> | null;\n  /** Drop the record: this gesture will never spend it on a click. */\n  drop: () => void;\n}\n\n/**\n * The pointer gesture behind a click, recorded where the click cannot report\n * it. A `click` carries no `pointerType` in the engines that matter, so the\n * `pointerdown` before it is the only thing that says which input activated\n * the control — and whether one did at all, since keyboard activation\n * synthesizes a click with no pointer behind it.\n *\n * State goes in with the record because a click reports that no better: a\n * browser that focuses a control on contact can open the very panel the tap\n * was meant to open, and reading \"is it open\" at click time then undoes it.\n * What the gesture started against is what it acts on.\n *\n * The record is spent by one click and dropped by everything else, because a\n * record that outlives its gesture is worse than none:\n *\n * - A scroll or an OS gesture takes the touch away — `pointercancel`, no click\n *   ever — and the finger would sit in the record until some later click.\n * - That later click is often `Enter` on a keyboard, which arrives with no\n *   pointerdown of its own and would inherit the abandoned finger. A keydown\n *   is the start of a keyboard activation and never part of a tap, so it drops\n *   the record too.\n *\n * Both ends have to be wired by the surface: `drop` on `onPointerCancel` and\n * on `onKeyDown`.\n */\nexport function useTapGesture<S>(): TapGesture<S> {\n  const record = useRef<TapRecord<S> | null>(null);\n\n  return useMemo(\n    () => ({\n      start: (event, state) => {\n        record.current = { pointerType: event.pointerType, state };\n      },\n      take: () => {\n        const spent = record.current;\n        record.current = null;\n        return spent;\n      },\n      drop: () => {\n        record.current = null;\n      },\n    }),\n    [],\n  );\n}\n"},{"path":"lib/touch.ts","type":"registry:lib","target":"@lib/touch.ts","content":"// Shared touch primitives. iOS and iPadOS run their own gestures on top of the\n// page — the long-press selection callout and the selection it drags in with\n// it — and they win: once the platform claims a touch it cancels ours\n// mid-gesture, so a press-and-hold or a drag simply dies. Surfaces that own\n// their gesture have to opt out.\n//\n// What the two classes below cover, precisely:\n// - `-webkit-touch-callout: none` stops iOS's long-press callout. WebKit-only:\n//   it is not a property other engines have, so it is inert everywhere else.\n// - `user-select: none` stops the long-press selection on every engine,\n//   Android included, and stops a drag from painting a selection under the\n//   cursor. It is inherited, so it reaches every descendant — which is why the\n//   two classes differ only in whether they apply it unconditionally.\n// What neither covers:\n// - Chrome for Android's long-press menu on a link or an image. No CSS\n//   suppresses it; a gesture surface that wraps one needs its own\n//   `onContextMenu` with `preventDefault()`.\n// - The native drag of an `<img>` or `<a>` descendant. `-webkit-user-drag` is\n//   not inherited and plain divs and buttons are not drag sources, so setting\n//   it on the surface does nothing — the child itself needs `draggable={false}`.\n\n/**\n * Classes for a surface that *is* the control: a thumb, a drum, a stage, a\n * handle, a hold button. Selection is suppressed on every input, because a\n * drag that highlights the control's own label is wrong on a mouse too.\n * Compose with `touch-none` when the surface also owns the scroll axis — leave\n * it off when the page must still scroll from there.\n */\nexport const TOUCH_GESTURE_CLASS = \"select-none [-webkit-touch-callout:none]\";\n\n/**\n * The same opt-out for a gesture surface that wraps content the consumer owns:\n * a scroller, a context-menu trigger, a sheet header, a list row. Selection is\n * suppressed only where the platform runs its own press gestures — a coarse\n * pointer — so a mouse user can still select and copy that content. If the\n * gesture itself would paint a selection under the cursor, add `select-none`\n * for the duration of the gesture rather than reaching for\n * `TOUCH_GESTURE_CLASS`.\n *\n * `pointer: coarse` describes the *primary* pointer and nothing else, so a\n * hybrid machine reads it wrong in both directions: a tablet with a mouse\n * plugged in keeps touch as primary and loses mouse selection, and a laptop\n * with a touchscreen keeps the mouse as primary and leaves selection live\n * under a finger. No media query can answer per interaction — the query is\n * about the device, and the question is about the gesture in progress. The\n * default stays here because it is right on the machines that are one thing or\n * the other, and losing a selection is a nuisance; where the miss costs a\n * *gesture* instead, the surface pairs it with `holdSelection` on the press.\n */\nexport const TOUCH_GESTURE_CONTENT_CLASS =\n  \"[-webkit-touch-callout:none] pointer-coarse:select-none\";\n\n/**\n * Suppress selection on `element` for as long as a gesture is running on it,\n * whatever the primary pointer of the machine happens to be. Returns the\n * release. Inline, so it wins over the class above and is gone again the\n * moment the gesture ends.\n *\n * For the press gestures a native selection would otherwise steal — a\n * long-press that opens a menu. Elsewhere prefer the classes: a surface that\n * takes selection away for the whole session is a surface whose text nobody\n * can copy.\n */\nexport function holdSelection(element: HTMLElement) {\n  element.style.setProperty(\"user-select\", \"none\");\n  element.style.setProperty(\"-webkit-user-select\", \"none\");\n  return () => {\n    element.style.removeProperty(\"user-select\");\n    element.style.removeProperty(\"-webkit-user-select\");\n  };\n}\n\n/**\n * Pointer capture, best effort. WebKit throws `NotFoundError` when the pointer\n * is already gone by the time the handler runs — routine on iOS, where the\n * system can claim the touch first — and an uncaught throw takes the rest of\n * the handler, the gesture included, down with it. Touch pointers carry\n * implicit capture anyway, so losing it is never fatal.\n */\nexport function capturePointer(element: Element, pointerId: number) {\n  try {\n    element.setPointerCapture(pointerId);\n  } catch {\n    // Pointer is no longer active — implicit capture still applies on touch.\n  }\n}\n\n/** Release a capture taken with `capturePointer`, ignoring a stale pointer. */\nexport function releasePointer(element: Element, pointerId: number) {\n  try {\n    if (element.hasPointerCapture(pointerId)) {\n      element.releasePointerCapture(pointerId);\n    }\n  } catch {\n    // Capture was already dropped by the browser.\n  }\n}\n\n/**\n * Whether this event came from a pointer that is *hovering*: not a touch, and\n * not currently pressed. Which input the user is holding right now is not\n * something a device capability can answer — a touchscreen laptop hovers and\n * taps, and iPadOS reports a fine hovering pointer for a finger — so both\n * paths stay live and each handler branches on the event it was given.\n *\n * A pen resting on the glass is making contact, not hovering: `buttons` is the\n * tell, and it sends a pen tap down the same route a finger takes.\n *\n * This answers what an *enter* asks. A leave is the other half of a pair and\n * has to be read against the enter that started it — `useHoverGesture` in\n * `lib/hooks/use-hover-gesture` does that, and hover surfaces should use it\n * rather than asking this question twice.\n */\nexport const isHoveringPointer = (event: {\n  pointerType: string;\n  buttons: number;\n}) => event.pointerType !== \"touch\" && event.buttons === 0;\n"}]}