Wallet Card

"use client";
// beui.dev/components/blocks/wallet-card

import { Bell, Eye, EyeOff } from "lucide-react";
import { useState } from "react";
import { ActionSwapText } from "@/components/motion/action-swap";
import { Button } from "@/components/motion/button";
import { cn } from "@/lib/utils";
import { AccountSwitcher } from "./account-switcher";
import { WalletActions } from "./actions";
import { BalanceDelta } from "./balance-delta";
import { SearchBar } from "./search-bar";
import type { WalletCardProps } from "./types";

export type { WalletAccount, WalletCardProps } from "./types";

/**
 * Composed wallet overview card: an account switcher whose trigger morphs open
 * into a full-width panel, a search icon that morphs into a search bar, a
 * rolling balance with a transient change indicator, and Send / Deposit
 * actions. Actions and search are plain callbacks — the resulting flow is left
 * to the consumer.
 */
export function WalletCard({
  accounts,
  accountId,
  defaultAccountId,
  onAccountChange,
  balance,
  balancePrefix = "$",
  defaultChange,
  defaultBalanceHidden = false,
  onSend,
  onDeposit,
  onSwap,
  onBuy,
  searchPlaceholder,
  searchRecent,
  onSearchChange,
  onSearchSubmit,
  hasNotifications = false,
  onNotifications,
  className,
}: WalletCardProps) {
  const accountControlled = accountId !== undefined;
  const [internalAccountId, setInternalAccountId] = useState(
    defaultAccountId ?? accounts[0]?.id,
  );
  const [balanceHidden, setBalanceHidden] = useState(defaultBalanceHidden);

  const shownBalance = `${balancePrefix}${balance.toLocaleString(undefined, {
    minimumFractionDigits: 2,
    maximumFractionDigits: 2,
  })}`;
  const maskedBalance = "*".repeat(7);
  const activeAccountId = accountControlled ? accountId : internalAccountId;
  const activeAccount =
    accounts.find((a) => a.id === activeAccountId) ?? accounts[0];

  const handleAccountChange = (id: string) => {
    if (!accountControlled) setInternalAccountId(id);
    onAccountChange?.(id);
  };

  return (
    <div
      className={cn(
        "relative w-full max-w-xs overflow-hidden rounded-4xl border border-border p-6",
        className,
      )}
    >
      {/* relative anchor so the switcher + search panels span the whole row */}
      <div className="relative flex items-center justify-between gap-2">
        <AccountSwitcher
          accounts={accounts}
          activeAccount={activeAccount}
          onSelect={handleAccountChange}
        />

        <div className="flex shrink-0 items-center gap-1">
          <SearchBar
            placeholder={searchPlaceholder}
            recent={searchRecent}
            onChange={onSearchChange}
            onSubmit={onSearchSubmit}
          />
          <Button
            variant="ghost"
            size="icon"
            onClick={onNotifications}
            aria-label="Notifications"
            className="relative"
          >
            <Bell className="h-4 w-4" />
            {hasNotifications ? (
              <span className="absolute top-1.5 right-1.5 flex h-2 w-2">
                <span className="absolute inline-flex h-full w-full animate-ping rounded-full bg-primary opacity-60" />
                <span className="relative inline-flex h-2 w-2 rounded-full bg-primary" />
              </span>
            ) : null}
          </Button>
        </div>
      </div>

      <div className="mt-8 flex flex-col items-center text-center">
        <div className="flex items-center gap-1.5">
          <p className="text-xs text-muted-foreground">Balance</p>
          <button
            type="button"
            onClick={() => setBalanceHidden((h) => !h)}
            aria-label={balanceHidden ? "Show balance" : "Hide balance"}
            aria-pressed={balanceHidden}
            className="text-muted-foreground outline-none transition-colors hover:text-foreground"
          >
            {balanceHidden ? (
              <EyeOff className="h-3.5 w-3.5" />
            ) : (
              <Eye className="h-3.5 w-3.5" />
            )}
          </button>
        </div>
        {/* One ActionSwapText swaps the number and the asterisk mask with a
            per-letter cascade — same baseline, no overlap or layout shift. */}
        <ActionSwapText
          value={balanceHidden ? "hidden" : shownBalance}
          animation="cascade"
          className="text-3xl font-semibold text-foreground"
        >
          {balanceHidden ? maskedBalance : shownBalance}
        </ActionSwapText>
        {balanceHidden ? (
          <div className="mt-2 flex h-7 items-center justify-center">
            <span className="translate-y-[3px] text-sm font-semibold text-muted-foreground leading-none tracking-[0.3em]">
              *****
            </span>
          </div>
        ) : (
          <BalanceDelta balance={balance} initialChange={defaultChange} />
        )}
      </div>

      <div className="mt-8">
        <WalletActions
          onSend={onSend}
          onDeposit={onDeposit}
          onSwap={onSwap}
          onBuy={onBuy}
        />
      </div>
    </div>
  );
}

"use client";

import { Check, ChevronDown } from "lucide-react";
import { AnimatePresence, motion, useReducedMotion } from "motion/react";
import { useCallback, useEffect, useId, useRef, useState } from "react";
import { useDismiss } from "@/lib/hooks/use-dismiss";
import { cn } from "@/lib/utils";
import { AccountAvatar } from "./account-avatar";
import { HEAD, ITEM, LIST, MORPH } from "./constants";
import { CopyButton } from "./copy-button";
import type { WalletAccount } from "./types";
import { truncateAddress } from "./utils";

/**
 * Account switcher whose trigger morphs into a panel that grows rightward to
 * full width (covering the header icons) and downward at the same time, via a
 * shared layoutId. Self-contained — not the generic MorphSelect.
 */
export function AccountSwitcher({
  accounts,
  activeAccount,
  onSelect,
}: {
  accounts: WalletAccount[];
  activeAccount: WalletAccount | undefined;
  onSelect: (id: string) => void;
}) {
  const reduce = useReducedMotion() ?? false;
  const layoutId = `${useId()}-account`;
  const rootRef = useRef<HTMLDivElement>(null);
  const [open, setOpen] = useState(false);
  // Hover only arms after the morph settles — otherwise the panel expands under
  // the cursor and flashes a phantom hover bg on whatever item it lands on.
  const [armed, setArmed] = useState(false);
  const close = useCallback(() => setOpen(false), []);

  useDismiss(open, close, rootRef);

  useEffect(() => {
    if (!open) {
      setArmed(false);
      return;
    }
    const t = window.setTimeout(() => setArmed(true), reduce ? 0 : 280);
    return () => window.clearTimeout(t);
  }, [open, reduce]);

  const morph = reduce ? { duration: 0 } : MORPH;

  return (
    // static (not relative) so the absolute trigger + panel anchor to the
    // header row and can span its full width, covering the icons.
    <div ref={rootRef} className="min-w-0">
      {/* in-flow sizer: reserves the widest possible trigger footprint (every
          account name stacked in one grid cell) so the header row width never
          changes — neither when the trigger leaves the flow nor when a shorter
          account name is selected. */}
      <div aria-hidden className={cn(HEAD, "pointer-events-none opacity-0")}>
        <AccountAvatar account={activeAccount ?? accounts[0]} />
        <span className="grid">
          {accounts.map((account) => (
            <span
              key={account.id}
              className="col-start-1 row-start-1 whitespace-nowrap text-sm font-medium"
            >
              {account.name}
            </span>
          ))}
        </span>
        <ChevronDown className="h-4 w-4" />
      </div>

      <AnimatePresence initial={false} mode="popLayout">
        {open ? null : (
          <motion.button
            key="trigger"
            layoutId={layoutId}
            type="button"
            aria-haspopup="listbox"
            aria-expanded={false}
            onClick={() => setOpen(true)}
            transition={morph}
            style={{ borderRadius: 16 }}
            className={cn(
              HEAD,
              // shifted left by the padding so the avatar sits flush with the
              // card content edge (aligned with the balance + buttons below).
              "absolute top-0 -left-2 z-20 max-w-full outline-none transition-colors hover:bg-muted/60",
            )}
          >
            {activeAccount ? (
              <>
                <AccountAvatar account={activeAccount} />
                <motion.span
                  layout="position"
                  className="truncate text-sm font-medium text-foreground"
                >
                  {activeAccount.name}
                </motion.span>
                <motion.span layout="position" className="text-muted-foreground">
                  <ChevronDown className="h-4 w-4" />
                </motion.span>
              </>
            ) : null}
          </motion.button>
        )}
      </AnimatePresence>

      <AnimatePresence initial={false} mode="popLayout">
        {open ? (
          <motion.div
            key="panel"
            layoutId={layoutId}
            role="listbox"
            transition={morph}
            style={{ borderRadius: 16 }}
            className="absolute top-0 -right-2 -left-2 z-30 overflow-hidden border border-border/30 bg-background backdrop-blur-md"
          >
            <button
              type="button"
              onClick={() => setOpen(false)}
              className={cn(HEAD, "w-full outline-none")}
            >
              {activeAccount ? <AccountAvatar account={activeAccount} /> : null}
              <motion.span
                layout="position"
                className="min-w-0 flex-1 truncate text-sm font-medium text-foreground"
              >
                {activeAccount?.name ?? "Select account"}
              </motion.span>
              <motion.span
                layout="position"
                animate={{ rotate: 180 }}
                transition={morph}
                className="text-muted-foreground"
              >
                <ChevronDown className="h-4 w-4" />
              </motion.span>
            </button>

            <motion.ul
              initial="hidden"
              animate="show"
              variants={reduce ? undefined : LIST}
              className={cn(
                "max-h-64 overflow-y-auto p-1.5",
                armed ? "" : "pointer-events-none",
              )}
            >
              {accounts.map((account) => {
                const selected = account.id === activeAccount?.id;
                return (
                  <motion.li
                    key={account.id}
                    variants={reduce ? undefined : ITEM}
                    className={cn(
                      "flex items-center rounded-xl pr-1 text-sm transition-colors",
                      selected
                        ? "bg-muted text-foreground"
                        : cn(
                            "text-muted-foreground",
                            armed && "hover:bg-muted hover:text-foreground",
                          ),
                    )}
                  >
                    <button
                      type="button"
                      role="option"
                      aria-selected={selected}
                      onClick={() => {
                        onSelect(account.id);
                        setOpen(false);
                      }}
                      className="flex min-w-0 flex-1 items-center gap-2.5 rounded-xl px-2 py-2 text-left outline-none"
                    >
                      <AccountAvatar account={account} />
                      <span className="flex min-w-0 flex-1 flex-col">
                        <span className="truncate font-medium">
                          {account.name}
                        </span>
                        <span className="truncate text-xs text-muted-foreground">
                          {truncateAddress(account.address)}
                        </span>
                      </span>
                      {selected ? (
                        <Check className="h-4 w-4 shrink-0 text-foreground" />
                      ) : null}
                    </button>
                    <CopyButton value={account.address} />
                  </motion.li>
                );
              })}
            </motion.ul>
          </motion.div>
        ) : null}
      </AnimatePresence>
    </div>
  );
}

"use client";

import { ArrowDownToLine, ArrowUp, CreditCard, Repeat } from "lucide-react";
import { motion, useReducedMotion } from "motion/react";
import type { ComponentType } from "react";
import { SPRING_PRESS } from "@/lib/ease";

type WalletAction = {
  key: string;
  label: string;
  icon: ComponentType<{ className?: string }>;
  onClick?: () => void;
};

/**
 * Row of primary wallet actions rendered icon-over-label, with a spring press.
 */
export function WalletActions({
  onSend,
  onDeposit,
  onSwap,
  onBuy,
}: {
  onSend?: () => void;
  onDeposit?: () => void;
  onSwap?: () => void;
  onBuy?: () => void;
}) {
  const reduce = useReducedMotion();

  const actions: WalletAction[] = [
    { key: "send", label: "Send", icon: ArrowUp, onClick: onSend },
    { key: "deposit", label: "Deposit", icon: ArrowDownToLine, onClick: onDeposit },
    { key: "swap", label: "Swap", icon: Repeat, onClick: onSwap },
    { key: "buy", label: "Buy", icon: CreditCard, onClick: onBuy },
  ];

  return (
    <div className="flex items-start justify-between gap-2">
      {actions.map(({ key, label, icon: Icon, onClick }) => (
        <motion.button
          key={key}
          type="button"
          onClick={onClick}
          whileTap={reduce ? undefined : { scale: 0.94 }}
          transition={SPRING_PRESS}
          className="flex flex-1 flex-col items-center gap-2 outline-none"
        >
          <span className="flex h-12 w-12 items-center justify-center rounded-full bg-muted text-foreground">
            <Icon className="h-5 w-5" />
          </span>
          <span className="text-xs font-medium text-muted-foreground">
            {label}
          </span>
        </motion.button>
      ))}
    </div>
  );
}

"use client";

import { TrendingDown, TrendingUp } from "lucide-react";
import { AnimatePresence, motion, useReducedMotion } from "motion/react";
import { useEffect, useRef, useState } from "react";
import { EASE_OUT } from "@/lib/ease";
import { cn } from "@/lib/utils";

/**
 * A transient change indicator for the balance: a tinted pill with a trend
 * arrow that pops in whenever the balance moves and persists until it moves
 * again.
 */
export function BalanceDelta({
  balance,
  initialChange,
}: {
  balance: number;
  initialChange?: number;
}) {
  const reduce = useReducedMotion();
  const prevRef = useRef(balance);
  const [delta, setDelta] = useState<{ id: number; amount: number } | null>(
    initialChange ? { id: 0, amount: initialChange } : null,
  );

  // Persist the last change until the balance moves again — don't auto-hide.
  useEffect(() => {
    const diff = balance - prevRef.current;
    prevRef.current = balance;
    if (diff === 0) return;
    setDelta({ id: Date.now(), amount: diff });
  }, [balance]);

  const up = (delta?.amount ?? 0) > 0;

  return (
    <div className="mt-2 flex h-7 items-center justify-center">
      <AnimatePresence mode="wait">
        {delta ? (
          <motion.span
            key={delta.id}
            initial={{ opacity: 0, y: reduce ? 0 : 6, scale: reduce ? 1 : 0.9 }}
            animate={{ opacity: 1, y: 0, scale: 1 }}
            exit={{ opacity: 0, y: reduce ? 0 : -6, scale: reduce ? 1 : 0.9 }}
            transition={{ duration: 0.2, ease: EASE_OUT }}
            className={cn(
              "inline-flex items-center gap-1 rounded-full px-2.5 py-1 text-xs font-semibold tabular-nums",
              up
                ? "bg-emerald-500/15 text-emerald-600 dark:text-emerald-400"
                : "bg-red-500/15 text-red-600 dark:text-red-400",
            )}
          >
            {up ? (
              <TrendingUp className="h-3.5 w-3.5" />
            ) : (
              <TrendingDown className="h-3.5 w-3.5" />
            )}
            {up ? "+" : "-"}$
            {Math.abs(delta.amount).toLocaleString(undefined, {
              minimumFractionDigits: 2,
              maximumFractionDigits: 2,
            })}
          </motion.span>
        ) : null}
      </AnimatePresence>
    </div>
  );
}

"use client";

import { History, Search } from "lucide-react";
import {
  AnimatePresence,
  motion,
  type Transition,
  useReducedMotion,
} from "motion/react";
import { useCallback, useEffect, useId, useRef, useState } from "react";
import { EASE_OUT } from "@/lib/ease";
import { useDismiss } from "@/lib/hooks/use-dismiss";
import { cn } from "@/lib/utils";
import { ITEM, LIST, MORPH } from "./constants";

/**
 * Search icon that morphs into a full-width search bar via a shared layoutId,
 * growing leftward across the header row. The recent-searches results render as
 * a SEPARATE dropdown below the bar — not part of the morphing element — so
 * filtering as you type resizes only the dropdown and never re-fires the morph
 * (which would scale-distort the input text). The in-flow slot keeps its width
 * whether open or closed so the header row (and card) never shifts.
 */
export function SearchBar({
  placeholder = "Search",
  recent = [],
  onChange,
  onSubmit,
}: {
  placeholder?: string;
  recent?: string[];
  onChange?: (value: string) => void;
  onSubmit?: (value: string) => void;
}) {
  const reduce = useReducedMotion() ?? false;
  const layoutId = `${useId()}-search`;
  const rootRef = useRef<HTMLDivElement>(null);
  const inputRef = useRef<HTMLInputElement>(null);
  const [open, setOpen] = useState(false);
  const [value, setValue] = useState("");
  // Hover arms after the dropdown reveals so it doesn't flash a phantom hover.
  const [armed, setArmed] = useState(false);
  const close = useCallback(() => setOpen(false), []);

  useDismiss(open, close, rootRef);

  useEffect(() => {
    if (open) inputRef.current?.focus();
  }, [open]);

  useEffect(() => {
    if (!open) {
      setArmed(false);
      return;
    }
    const t = window.setTimeout(() => setArmed(true), reduce ? 0 : 260);
    return () => window.clearTimeout(t);
  }, [open, reduce]);

  // The box keeps the bouncy morph (same feel as the account switcher)...
  const morph: Transition = reduce ? { duration: 0 } : MORPH;
  // ...but the leading icon + input travel across the row, so their own layout
  // uses a critically-damped spring — they glide to place without inheriting the
  // box's overshoot (which read as the icon jittering right-then-left).
  const glide: Transition = reduce
    ? { duration: 0 }
    : { type: "spring", duration: 0.5, bounce: 0 };

  const query = value.trim().toLowerCase();
  const filtered = query
    ? recent.filter((r) => r.toLowerCase().includes(query))
    : recent;

  const submit = (next: string) => {
    onSubmit?.(next);
    setOpen(false);
  };

  return (
    // static so the open bar + dropdown anchor to the header row (spanning its
    // width), while the slot below reserves the icon's footprint.
    <div ref={rootRef} className="shrink-0">
      {/* reserve the icon's width while open (the icon has left the flow) */}
      {open ? <div aria-hidden className="h-8 w-8" /> : null}

      <AnimatePresence initial={false} mode="popLayout">
        {open ? null : (
          <motion.button
            key="icon"
            layoutId={layoutId}
            type="button"
            aria-label="Search"
            onClick={() => setOpen(true)}
            transition={morph}
            style={{ borderRadius: 12 }}
            className="inline-flex h-8 w-8 items-center justify-center rounded-lg text-muted-foreground outline-none transition-colors hover:bg-muted hover:text-foreground"
          >
            <Search className="h-4 w-4" />
          </motion.button>
        )}
      </AnimatePresence>

      {/* one connected panel: input + results grow out of the trigger. The text
          nodes use layout="position" so when the panel resizes (filtering) they
          reposition without scaling — no re-morph distortion, still connected. */}
      <AnimatePresence initial={false} mode="popLayout">
        {open ? (
          <motion.div
            key="panel"
            layoutId={layoutId}
            transition={morph}
            style={{ borderRadius: 16 }}
            className="absolute top-0 -right-2 -left-2 z-40 overflow-hidden border border-border/30 bg-background backdrop-blur-md"
          >
            <div className="flex h-9 items-center gap-2 px-3">
              <motion.span
                layout="position"
                transition={glide}
                className="shrink-0"
              >
                <Search className="h-4 w-4 text-muted-foreground" />
              </motion.span>
              <motion.input
                ref={inputRef}
                layout="position"
                initial={reduce ? false : { opacity: 0 }}
                animate={{ opacity: 1 }}
                transition={{
                  opacity: { duration: 0.15, delay: 0.12, ease: EASE_OUT },
                  layout: glide,
                }}
                value={value}
                onChange={(e) => {
                  setValue(e.target.value);
                  onChange?.(e.target.value);
                }}
                onKeyDown={(e) => {
                  if (e.key === "Enter" && value.trim()) submit(value.trim());
                  if (e.key === "Escape") close();
                }}
                placeholder={placeholder}
                className="min-w-0 flex-1 bg-transparent text-sm outline-none placeholder:text-muted-foreground"
              />
            </div>

            <div className="h-px bg-border/40" />

            {filtered.length > 0 ? (
              <motion.ul
                initial="hidden"
                animate="show"
                variants={reduce ? undefined : LIST}
                className={cn(
                  "max-h-56 overflow-y-auto p-1.5",
                  armed ? "" : "pointer-events-none",
                )}
              >
                {filtered.map((term) => (
                  <motion.li
                    key={term}
                    layout="position"
                    variants={reduce ? undefined : ITEM}
                  >
                    <button
                      type="button"
                      onClick={() => {
                        setValue(term);
                        onChange?.(term);
                        submit(term);
                      }}
                      className={cn(
                        "flex w-full items-center gap-2.5 rounded-xl px-2.5 py-2 text-left text-sm text-muted-foreground outline-none transition-colors",
                        armed && "hover:bg-muted hover:text-foreground",
                      )}
                    >
                      <History className="h-4 w-4 shrink-0" />
                      <span className="min-w-0 flex-1 truncate">{term}</span>
                    </button>
                  </motion.li>
                ))}
              </motion.ul>
            ) : (
              <motion.div
                layout="position"
                className="flex flex-col items-center gap-1 px-4 py-8 text-center"
              >
                <Search className="h-5 w-5 text-muted-foreground/60" />
                <p className="text-sm text-muted-foreground">
                  {query ? "No matches" : "No recent searches"}
                </p>
              </motion.div>
            )}
          </motion.div>
        ) : null}
      </AnimatePresence>
    </div>
  );
}

import type { ReactNode } from "react";

export type WalletAccount = {
  id: string;
  name: string;
  address: string;
  avatar?: ReactNode;
};

export interface WalletCardProps {
  accounts: WalletAccount[];
  accountId?: string;
  defaultAccountId?: string;
  onAccountChange?: (id: string) => void;
  balance: number;
  balancePrefix?: string;
  /** Initial balance change shown in the pill before any live change. */
  defaultChange?: number;
  /** Start with the balance hidden behind dots. */
  defaultBalanceHidden?: boolean;
  onSend?: () => void;
  onDeposit?: () => void;
  onSwap?: () => void;
  onBuy?: () => void;
  searchPlaceholder?: string;
  /** Recent searches shown in the expanded search panel. */
  searchRecent?: string[];
  onSearchChange?: (value: string) => void;
  onSearchSubmit?: (value: string) => void;
  /** Show an unread pulse on the notifications bell. */
  hasNotifications?: boolean;
  onNotifications?: () => void;
  className?: string;
}

"use client";

import { AnimatePresence, type HTMLMotionProps, motion, useReducedMotion, type Variants } from "motion/react";
import type { ReactNode } from "react";
import { useState } from "react";
import { EASE_OUT, SPRING_PRESS, SPRING_SWAP } from "@/lib/ease";
import { cn } from "@/lib/utils";

export type ActionSwapItem = {
  id: string;
  label: ReactNode;
  icon?: ReactNode;
  ariaLabel?: string;
};

export type ActionSwapButtonVariant = "primary" | "secondary" | "outline" | "ghost";
export type ActionSwapButtonSize = "sm" | "md" | "lg" | "icon";
export type ActionSwapAnimation = "blur" | "roll" | "cascade";

/** Animations with a single-element variant set (cascade animates per letter). */
type CoreAnimation = "blur" | "roll";

export interface ActionSwapButtonProps extends Omit<
  HTMLMotionProps<"button">,
  "children" | "onChange"
> {
  items: ActionSwapItem[];
  value?: string;
  defaultValue?: string;
  onValueChange?: (value: string, item: ActionSwapItem) => void;
  variant?: ActionSwapButtonVariant;
  size?: ActionSwapButtonSize;
  animation?: ActionSwapAnimation;
  iconOnly?: boolean;
  cycle?: boolean;
}

export interface ActionSwapTextProps {
  value: string;
  children: ReactNode;
  animation?: ActionSwapAnimation;
  className?: string;
}

export interface ActionSwapIconProps {
  value: string;
  children: ReactNode;
  animation?: ActionSwapAnimation;
  className?: string;
}

const BLUR_TRANSITION = { duration: 0.2, ease: "easeInOut" } as const;
const ROLL_TRANSITION = SPRING_SWAP;
const ROLL_EXIT_TRANSITION = { duration: 0.14, ease: EASE_OUT } as const;
const SWAP_BLUR = "blur(8px)";
const ROLL_BLUR = "blur(3px)";

// Cascade rolls the label one letter at a time, left to right. The leaving
// and landing strings overlap as independent layers (no shared cells), so
// proportional glyph widths never jitter. Exits cascade at half the enter
// stagger so the tail of the old label lingers briefly.
const CASCADE_STAGGER = 0.025;

const CASCADE_LETTER_VARIANTS: Variants = {
  initial: { opacity: 0, y: "105%", filter: ROLL_BLUR },
  animate: (delay: number = 0) => ({
    opacity: 1,
    y: "0%",
    filter: "blur(0px)",
    transition: { ...SPRING_SWAP, delay },
  }),
  exit: (delay: number = 0) => ({
    opacity: 0,
    y: "-105%",
    filter: ROLL_BLUR,
    transition: { duration: 0.16, ease: EASE_OUT, delay: delay * 0.5 },
  }),
};

const TEXT_VARIANTS: Record<CoreAnimation, Variants> = {
  blur: {
    initial: { opacity: 0, scale: 0.94, filter: SWAP_BLUR },
    animate: {
      opacity: 1,
      scale: 1,
      filter: "blur(0px)",
      transition: BLUR_TRANSITION,
    },
    exit: {
      opacity: 0,
      scale: 0.94,
      filter: SWAP_BLUR,
      transition: BLUR_TRANSITION,
    },
  },
  roll: {
    initial: { opacity: 0, y: "90%", filter: ROLL_BLUR },
    animate: {
      opacity: 1,
      y: "0%",
      filter: "blur(0px)",
      transition: ROLL_TRANSITION,
    },
    exit: {
      opacity: 0,
      y: "-90%",
      filter: ROLL_BLUR,
      transition: ROLL_EXIT_TRANSITION,
    },
  },
};

const ICON_VARIANTS: Record<CoreAnimation, Variants> = {
  blur: {
    initial: { opacity: 0, scale: 0.25, filter: SWAP_BLUR },
    animate: {
      opacity: 1,
      scale: 1,
      filter: "blur(0px)",
      transition: BLUR_TRANSITION,
    },
    exit: {
      opacity: 0,
      scale: 0.25,
      filter: SWAP_BLUR,
      transition: BLUR_TRANSITION,
    },
  },
  roll: {
    initial: { opacity: 0, y: 12, filter: ROLL_BLUR },
    animate: {
      opacity: 1,
      y: 0,
      filter: "blur(0px)",
      transition: ROLL_TRANSITION,
    },
    exit: {
      opacity: 0,
      y: -12,
      filter: ROLL_BLUR,
      transition: ROLL_EXIT_TRANSITION,
    },
  },
};

const VARIANT_CLASS: Record<ActionSwapButtonVariant, string> = {
  primary: "bg-primary text-primary-foreground hover:bg-primary/90",
  secondary: "border border-border bg-card text-foreground hover:border-border",
  outline: "border border-border bg-transparent text-foreground hover:bg-muted/60",
  ghost: "text-muted-foreground hover:bg-muted/60 hover:text-foreground",
};

const SIZE_CLASS: Record<ActionSwapButtonSize, string> = {
  sm: "h-8 gap-1.5 rounded-full px-3 text-xs",
  md: "h-10 gap-2 rounded-full px-4 text-sm",
  lg: "h-12 gap-2.5 rounded-full px-5 text-base",
  icon: "h-10 w-10 rounded-full",
};

export function ActionSwapText({
  value,
  children,
  animation = "blur",
  className,
}: ActionSwapTextProps) {
  const reduce = useReducedMotion();

  // Cascade needs a plain string to split into letters; non-string content
  // and reduced motion fall back to the closest single-element animation.
  const label = typeof children === "string" ? children : null;
  const cascade = animation === "cascade" && label !== null && !reduce;
  const coreAnimation: CoreAnimation =
    animation === "cascade" ? "roll" : animation;

  return (
    <span
      className={cn(
        "relative -my-[0.08em] inline-block max-w-full whitespace-nowrap py-[0.08em] align-bottom",
        className,
      )}
      style={{
        clipPath: "inset(0 -999px)",
        WebkitClipPath: "inset(0 -999px)",
      }}
    >
      <span
        aria-hidden
        className="invisible inline-block whitespace-nowrap"
      >
        {cascade
          ? label.split("").map((char, index) => (
              <span
                // biome-ignore lint/suspicious/noArrayIndexKey: position is the slot identity.
                key={index}
                className="inline-block whitespace-pre"
              >
                {char}
              </span>
            ))
          : children}
      </span>
      {cascade ? (
        <>
          {/* Letters are decorative fragments; readers get the whole label. */}
          <span className="sr-only">{label}</span>
          <AnimatePresence initial={false}>
            <motion.span
              key={`cascade-${value}`}
              aria-hidden
              initial="initial"
              animate="animate"
              exit="exit"
              className="absolute left-0 top-[0.08em] inline-block whitespace-pre"
            >
              {label.split("").map((char, i) => (
                <motion.span
                  // biome-ignore lint/suspicious/noArrayIndexKey: position is the slot identity — the letter at a position is exactly what rolls.
                  key={i}
                  custom={i * CASCADE_STAGGER}
                  variants={CASCADE_LETTER_VARIANTS}
                  // Own states: a label that swaps away and straight back
                  // re-enters mid-exit, and only owned targets are restored.
                  initial="initial"
                  animate="animate"
                  exit="exit"
                  className="inline-block whitespace-pre will-change-[opacity,filter,transform]"
                >
                  {char}
                </motion.span>
              ))}
            </motion.span>
          </AnimatePresence>
        </>
      ) : (
        <AnimatePresence initial={false}>
          <motion.span
            key={`${animation}-${value}`}
            variants={TEXT_VARIANTS[coreAnimation]}
            initial={reduce ? false : "initial"}
            animate={reduce ? { opacity: 1, filter: "blur(0px)", scale: 1, y: 0 } : "animate"}
            exit={reduce ? undefined : "exit"}
            // Truncation lives on the layer that holds the text — the layer
            // moves as a whole, so clipping it never eats the roll.
            className="absolute left-0 top-[0.08em] inline-block max-w-full truncate will-change-[opacity,filter,transform]"
          >
            {children}
          </motion.span>
        </AnimatePresence>
      )}
    </span>
  );
}

export function ActionSwapIcon({
  value,
  children,
  animation = "blur",
  className,
}: ActionSwapIconProps) {
  const reduce = useReducedMotion();
  // Icons are single elements — cascade maps to its closest motion, roll.
  const coreAnimation: CoreAnimation =
    animation === "cascade" ? "roll" : animation;

  return (
    <span className={cn("relative inline-grid shrink-0 place-items-center overflow-hidden", className)}>
      <AnimatePresence mode="popLayout" initial={false}>
        <motion.span
          key={`${animation}-${value}`}
          aria-hidden
          variants={ICON_VARIANTS[coreAnimation]}
          initial={reduce ? false : "initial"}
          animate={reduce ? { opacity: 1, filter: "blur(0px)", scale: 1, y: 0 } : "animate"}
          exit={reduce ? undefined : "exit"}
          className="col-start-1 row-start-1 inline-flex items-center justify-center will-change-[opacity,filter,transform]"
        >
          {children}
        </motion.span>
      </AnimatePresence>
    </span>
  );
}

export function ActionSwapButton({
  items,
  value,
  defaultValue,
  onValueChange,
  variant = "secondary",
  size = "md",
  animation = "blur",
  iconOnly = size === "icon",
  cycle = true,
  className,
  disabled,
  onClick,
  ...rest
}: ActionSwapButtonProps) {
  const reduce = useReducedMotion();
  const [internalValue, setInternalValue] = useState(defaultValue ?? items[0]?.id);
  const currentValue = value ?? internalValue;
  const activeIndex = Math.max(0, items.findIndex((item) => item.id === currentValue));
  const activeItem = items[activeIndex] ?? items[0];
  const hasIcon = items.some((item) => item.icon);
  const nextItem = cycle && items.length > 0 ? items[(activeIndex + 1) % items.length] : undefined;

  if (!activeItem) return null;

  const accessibleLabel = activeItem.ariaLabel ?? (iconOnly && typeof activeItem.label === "string" ? activeItem.label : undefined);

  return (
    <motion.button
      type="button"
      disabled={disabled}
      whileTap={reduce || disabled ? undefined : { scale: 0.97 }}
      transition={SPRING_PRESS}
      className={cn(
        "inline-flex items-center justify-center overflow-hidden font-medium transition-colors",
        "disabled:pointer-events-none disabled:opacity-50",
        VARIANT_CLASS[variant],
        SIZE_CLASS[size],
        className,
      )}
      aria-label={accessibleLabel}
      onClick={(event) => {
        onClick?.(event);
        if (event.defaultPrevented || disabled || !cycle || !nextItem) return;
        if (value === undefined) setInternalValue(nextItem.id);
        onValueChange?.(nextItem.id, nextItem);
      }}
      {...rest}
    >
      {hasIcon ? (
        <ActionSwapIcon value={activeItem.id} animation={animation} className="h-4 w-4">
          {activeItem.icon ?? null}
        </ActionSwapIcon>
      ) : null}
      {!iconOnly ? (
        <ActionSwapText value={activeItem.id} animation={animation}>
          {activeItem.label}
        </ActionSwapText>
      ) : null}
    </motion.button>
  );
}

export type {
  ButtonLinkProps,
  ButtonProps,
  ButtonSize,
  ButtonVariant,
} from "./base";
export { Button, ButtonLink } from "./base";
export type { MagneticButtonProps } from "./magnetic";
export { MagneticButton } from "./magnetic";
export type { MetallicButtonProps } from "./metallic";
export { MetallicButton } from "./metallic";
export type { ButtonState, StatefulButtonProps } from "./stateful";
export { StatefulButton } from "./stateful";

import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs))
}

import { cn } from "@/lib/utils";
import type { WalletAccount } from "./types";
import { diceBearGlassUrl } from "./utils";

export function AccountAvatar({
  account,
  className,
}: {
  account: WalletAccount;
  className?: string;
}) {
  if (account.avatar) return <>{account.avatar}</>;
  return (
    // biome-ignore lint/performance/noImgElement: remote DiceBear SVG, no next/image benefit
    <img
      src={diceBearGlassUrl(account.id || account.address)}
      alt={account.name}
      className={cn("h-7 w-7 shrink-0 rounded-full bg-muted", className)}
    />
  );
}

import type { Transition, Variants } from "motion/react";

// Trigger box grows into the full-width panel and back — one shared surface.
export const MORPH: Transition = { type: "spring", duration: 0.5, bounce: 0.22 };

export const LIST: Variants = {
  hidden: {},
  show: { transition: { staggerChildren: 0.035, delayChildren: 0.12 } },
};

export const ITEM: Variants = {
  hidden: { opacity: 0, y: -6, filter: "blur(3px)" },
  show: { opacity: 1, y: 0, filter: "blur(0px)" },
};

// Shared padding for the account trigger + panel header so the avatar/name stay
// put as the box morphs — the panel reads as the trigger itself growing open.
export const HEAD = "flex items-center gap-2 px-2 py-1.5 text-left";

"use client";

import { Check, Copy } from "lucide-react";
import { useState } from "react";
import { ActionSwapIcon } from "@/components/motion/action-swap";
import { cn } from "@/lib/utils";

/**
 * Copies `value` to the clipboard and swaps the copy icon for a check via the
 * library's ActionSwapIcon. Stops click propagation so it can sit inside a
 * selectable row.
 */
export function CopyButton({
  value,
  className,
}: {
  value: string;
  className?: string;
}) {
  const [copied, setCopied] = useState(false);

  const copy = async () => {
    try {
      await navigator.clipboard.writeText(value);
    } catch {
      // clipboard may be unavailable (insecure context) — swap anyway
    }
    setCopied(true);
    window.setTimeout(() => setCopied(false), 1400);
  };

  return (
    <button
      type="button"
      aria-label={copied ? "Copied" : "Copy address"}
      onClick={(e) => {
        e.stopPropagation();
        copy();
      }}
      className={cn(
        "inline-flex h-7 w-7 shrink-0 items-center justify-center rounded-lg text-muted-foreground outline-none transition-colors hover:bg-muted hover:text-foreground",
        className,
      )}
    >
      <ActionSwapIcon
        value={copied ? "check" : "copy"}
        animation="cascade"
        className="h-3.5 w-3.5"
      >
        {copied ? (
          <Check className="h-3.5 w-3.5 text-emerald-500" />
        ) : (
          <Copy className="h-3.5 w-3.5" />
        )}
      </ActionSwapIcon>
    </button>
  );
}

export function diceBearGlassUrl(seed: string) {
  return `https://api.dicebear.com/9.x/glass/svg?seed=${encodeURIComponent(seed)}`;
}

export function truncateAddress(address: string) {
  return address.length > 12
    ? `${address.slice(0, 6)}…${address.slice(-4)}`
    : address;
}

"use client";

import { type RefObject, useEffect } from "react";

/**
 * What the dismissing gesture does to the control it landed on.
 *
 * `"pass-through"` is the platform norm (native popover light-dismiss): the
 * tap closes the overlay *and* activates whatever was under it. Use
 * `"consume"` where the open overlay sits over or beside controls that would
 * be costly to trigger by accident — the dismissal then swallows the
 * activation too, so the gesture only closes.
 */
export type DismissBehavior = "pass-through" | "consume";

export interface DismissOptions {
  /** Default `"pass-through"`. */
  behavior?: DismissBehavior;
  /** Dismiss on Escape as well. Default true. */
  escape?: boolean;
  /** Return true for an outside target that should *not* dismiss. Must be stable. */
  ignore?: (target: Element) => boolean;
}

/**
 * What every currently open dismiss scope counts as inside itself. A consumed
 * dismissal reads this to tell a stray gesture from one that belongs to an
 * overlay in front of it: overlays have no shared z-order to consult, but the
 * one the gesture landed in has said as much by registering it.
 */
const openScopes = new Set<(target: Element) => boolean>();

function claimedByAnotherScope(
  self: (target: Element) => boolean,
  target: Element,
) {
  for (const scope of openScopes) {
    if (scope !== self && scope(target)) return true;
  }
  return false;
}

// preventDefault on pointerdown does not suppress the click that follows, so
// consuming a gesture means swallowing that click itself. The swallower
// deliberately outlives the effect that installed it — the dismissal it
// belongs to has already unmounted or re-rendered by the time the click lands.
// It releases on that click, or on the next gesture if the pointer is dragged
// away and no click ever arrives, so it can never eat a later one. A keydown
// releases it too: a gesture that ends with neither a click nor a cancel would
// otherwise leave it armed, and the click Enter synthesizes on some focused
// control is not the one this dismissal was owed.
function consumeActivation(source: Event) {
  const swallow = (event: MouseEvent) => {
    event.preventDefault();
    event.stopPropagation();
    release();
  };
  const restart = (event: Event) => {
    if (event !== source) release();
  };
  const release = () => {
    window.removeEventListener("click", swallow, true);
    window.removeEventListener("pointerdown", restart, true);
    window.removeEventListener("pointercancel", restart, true);
    window.removeEventListener("keydown", release, true);
  };
  window.addEventListener("click", swallow, true);
  window.addEventListener("pointerdown", restart, true);
  window.addEventListener("pointercancel", restart, true);
  window.addEventListener("keydown", release, true);
}

/**
 * Close an open overlay on Escape or a pointerdown outside `ref`. Pass `null`
 * for `ref` when what counts as inside isn't one element, and say so with
 * `ignore` instead.
 *
 * The pointerdown listener is capture-phase: a bubble-phase one is blinded by
 * any handler in between that stops propagation, and an overlay cannot know
 * what it is layered over. `onDismiss` and `ignore` must be stable (wrap in
 * useCallback) so the listeners aren't re-bound every render while open.
 */
export function useDismiss(
  open: boolean,
  onDismiss: () => void,
  ref: RefObject<HTMLElement | SVGElement | null> | null,
  {
    behavior = "pass-through",
    escape: dismissOnEscape = true,
    ignore,
  }: DismissOptions = {},
) {
  useEffect(() => {
    if (!open) return;
    const inside = (target: Element) =>
      Boolean(ref?.current?.contains(target)) || Boolean(ignore?.(target));
    const onKey = (event: KeyboardEvent) => {
      if (dismissOnEscape && event.key === "Escape") onDismiss();
    };
    const onPointer = (event: PointerEvent) => {
      const target = event.target as Element | null;
      if (!target || inside(target)) return;
      // Outside this overlay, but inside one that is also open: the gesture is
      // that overlay's to answer, and swallowing its click from behind would
      // cost the user the control they actually aimed at.
      if (behavior === "consume" && !claimedByAnotherScope(inside, target)) {
        consumeActivation(event);
      }
      onDismiss();
    };
    openScopes.add(inside);
    window.addEventListener("keydown", onKey);
    window.addEventListener("pointerdown", onPointer, true);
    return () => {
      openScopes.delete(inside);
      window.removeEventListener("keydown", onKey);
      window.removeEventListener("pointerdown", onPointer, true);
    };
  }, [open, onDismiss, ref, behavior, dismissOnEscape, ignore]);
}

// Shared motion tokens. Easing curves mirror the CSS custom properties in
// globals.css; springs are the canonical physics used across components.
// Strong custom variants — defaults like `ease-in`/`ease-out` feel weak.

export const EASE_OUT = [0.16, 1, 0.3, 1] as const;
export const EASE_IN_OUT = [0.77, 0, 0.175, 1] as const;
export const EASE_DRAWER = [0.32, 0.72, 0, 1] as const;

/** CSS string form of EASE_OUT for inline style transitions. */
export const EASE_OUT_CSS = "cubic-bezier(0.16, 1, 0.3, 1)";

/** Press feedback on buttons and other tappable surfaces. */
export const SPRING_PRESS = {
  type: "spring",
  stiffness: 500,
  damping: 30,
  mass: 0.6,
} as const;

/** Content swaps — label/icon slots trading places inside a control. */
export const SPRING_SWAP = {
  type: "spring",
  stiffness: 460,
  damping: 30,
  mass: 0.55,
} as const;

/** Overlay panel entrances — modals and sheets summoned by pointer. */
export const SPRING_PANEL = {
  type: "spring",
  stiffness: 420,
  damping: 40,
  mass: 0.5,
} as const;

/** Shared-layout glides — pills, indicators and panels morphing between positions. */
export const SPRING_LAYOUT = {
  type: "spring",
  stiffness: 360,
  damping: 32,
  mass: 0.6,
} as const;

/** Cursor-follow physics for decorative mouse tracking (magnetic, tilt, dock). */
export const SPRING_MOUSE = {
  stiffness: 200,
  damping: 15,
  mass: 0.3,
} as const;

/** Dragged handles and fills (sliders) — critically damped `useSpring` config,
 * so the value follows the pointer butterily and never rebounds off an end. */
export const SPRING_GLIDE = {
  stiffness: 700,
  damping: 50,
  mass: 0.5,
} as const;

"use client";

import {
  AnimatePresence,
  type HTMLMotionProps,
  motion,
  useReducedMotion,
} from "motion/react";
import {
  forwardRef,
  type PointerEvent,
  type ReactNode,
  useCallback,
  useRef,
  useState,
} from "react";
import { EASE_OUT, SPRING_PRESS } from "@/lib/ease";
import { useHoverCapable } from "@/lib/hooks/use-hover-capable";
import { cn } from "@/lib/utils";

export type ButtonVariant = "primary" | "secondary" | "ghost" | "outline";
export type ButtonSize = "sm" | "md" | "lg" | "icon";

export interface ButtonProps extends Omit<
  HTMLMotionProps<"button">,
  "children"
> {
  variant?: ButtonVariant;
  size?: ButtonSize;
  pressScale?: number;
  /** Spawn a Material-style ripple from the press point. Off by default. */
  ripple?: boolean;
  children?: ReactNode;
}

export interface ButtonLinkProps extends Omit<
  HTMLMotionProps<"a">,
  "children"
> {
  variant?: ButtonVariant;
  size?: ButtonSize;
  pressScale?: number;
  children?: ReactNode;
}

type Ripple = { id: number; x: number; y: number; size: number };

const VARIANT_CLASS: Record<ButtonVariant, string> = {
  primary: "bg-primary text-primary-foreground hover:bg-primary/90",
  secondary: "border border-border bg-card text-foreground hover:border-border",
  ghost: "text-muted-foreground hover:text-foreground hover:bg-muted/60",
  outline:
    "border border-border bg-transparent text-foreground hover:bg-muted/60",
};

const SIZE_CLASS: Record<ButtonSize, string> = {
  sm: "h-8 px-3 text-xs gap-1.5 rounded-full",
  md: "h-10 px-5 text-sm gap-2 rounded-full",
  lg: "h-12 px-6 text-base gap-2 rounded-full",
  icon: "h-8 w-8 rounded-lg",
};

export const Button = forwardRef<HTMLButtonElement, ButtonProps>(
  function Button(
    {
      variant = "primary",
      size = "md",
      pressScale = 0.93,
      ripple = false,
      className,
      children,
      onPointerDown,
      ...rest
    },
    ref,
  ) {
    const reduce = useReducedMotion();
    const canHover = useHoverCapable();
    const [ripples, setRipples] = useState<Ripple[]>([]);
    const nextId = useRef(0);

    const handlePointerDown = useCallback(
      (event: PointerEvent<HTMLButtonElement>) => {
        if (ripple && !reduce) {
          const rect = event.currentTarget.getBoundingClientRect();
          const size = Math.max(rect.width, rect.height) * 2;
          const id = nextId.current++;
          setRipples((prev) => [
            ...prev,
            {
              id,
              x: event.clientX - rect.left,
              y: event.clientY - rect.top,
              size,
            },
          ]);
        }
        onPointerDown?.(event);
      },
      [ripple, reduce, onPointerDown],
    );

    return (
      <motion.button
        ref={ref}
        type="button"
        whileTap={reduce ? undefined : { scale: pressScale }}
        whileHover={reduce || !canHover ? undefined : { scale: 1.02 }}
        transition={SPRING_PRESS}
        onPointerDown={handlePointerDown}
        className={cn(
          "inline-flex items-center justify-center font-medium select-none",
          "transition-colors",
          "disabled:pointer-events-none disabled:opacity-50",
          ripple && "relative overflow-hidden",
          VARIANT_CLASS[variant],
          SIZE_CLASS[size],
          className,
        )}
        {...rest}
      >
        {ripple && !reduce ? (
          <span className="pointer-events-none absolute inset-0 overflow-hidden rounded-[inherit]">
            <AnimatePresence>
              {ripples.map((r) => (
                <motion.span
                  key={r.id}
                  className="absolute rounded-full bg-current"
                  style={{
                    left: r.x,
                    top: r.y,
                    width: r.size,
                    height: r.size,
                    x: "-50%",
                    y: "-50%",
                  }}
                  initial={{ scale: 0.05, opacity: 0.3 }}
                  animate={{ scale: 1, opacity: 0 }}
                  exit={{ opacity: 0 }}
                  transition={{ duration: 1.6, ease: EASE_OUT }}
                  onAnimationComplete={() =>
                    setRipples((prev) => prev.filter((x) => x.id !== r.id))
                  }
                />
              ))}
            </AnimatePresence>
          </span>
        ) : null}
        {children}
      </motion.button>
    );
  },
);

export const ButtonLink = forwardRef<HTMLAnchorElement, ButtonLinkProps>(
  function ButtonLink(
    {
      variant = "primary",
      size = "md",
      pressScale = 0.93,
      className,
      children,
      ...rest
    },
    ref,
  ) {
    const reduce = useReducedMotion();
    const canHover = useHoverCapable();

    return (
      <motion.a
        ref={ref}
        whileTap={reduce ? undefined : { scale: pressScale }}
        whileHover={reduce || !canHover ? undefined : { scale: 1.02 }}
        transition={SPRING_PRESS}
        className={cn(
          "inline-flex items-center justify-center font-medium select-none",
          "transition-colors",
          VARIANT_CLASS[variant],
          SIZE_CLASS[size],
          className,
        )}
        {...rest}
      >
        {children}
      </motion.a>
    );
  },
);

"use client";

import { forwardRef } from "react";
import { Magnetic } from "../magnetic";
import { Button, type ButtonProps } from "./base";

export interface MagneticButtonProps extends ButtonProps {
  /** Magnetic pull strength. Default 0.25. */
  strength?: number;
  /** Class applied to the magnetic wrapper. */
  magneticClassName?: string;
}

export const MagneticButton = forwardRef<HTMLButtonElement, MagneticButtonProps>(function MagneticButton(
  { strength = 0.25, magneticClassName, children, ...rest },
  ref,
) {
  return (
    <Magnetic strength={strength} className={magneticClassName}>
      <Button ref={ref} {...rest}>
        {children}
      </Button>
    </Magnetic>
  );
});

"use client";

import { motion, useReducedMotion } from "motion/react";
import { forwardRef, useState } from "react";
import { EASE_IN_OUT } from "@/lib/ease";
import { cn } from "@/lib/utils";
import { Button, type ButtonProps } from "./base";

export interface MetallicButtonProps extends Omit<
  ButtonProps,
  "ripple" | "variant"
> {
  /** Stops the traveling reflection while preserving the chrome rim. */
  paused?: boolean;
}

// The rim and highlight drift separately so the material stays quiet and reflective.
const SILVER_DRIFT = {
  duration: 8,
  ease: EASE_IN_OUT,
  repeat: Infinity,
};

const CHROME_SHIMMER = {
  duration: 2.4,
  ease: EASE_IN_OUT,
};

export const MetallicButton = forwardRef<
  HTMLButtonElement,
  MetallicButtonProps
>(function MetallicButton(
  {
    size = "md",
    paused = false,
    className,
    children,
    onHoverStart,
    onHoverEnd,
    ...rest
  },
  ref,
) {
  const reduce = useReducedMotion();
  const still = paused || Boolean(reduce);
  const [hovered, setHovered] = useState(false);

  return (
    <Button
      ref={ref}
      variant="ghost"
      size={size}
      onHoverStart={(event, info) => {
        setHovered(true);
        onHoverStart?.(event, info);
      }}
      onHoverEnd={(event, info) => {
        setHovered(false);
        onHoverEnd?.(event, info);
      }}
      className={cn(
        "group relative isolate overflow-hidden border-0 bg-transparent text-foreground",
        "hover:bg-transparent hover:text-foreground",
        "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
        "shadow-[0_8px_22px_rgba(0,0,0,0.16)]",
        size === "icon" && "rounded-full",
        className,
      )}
      {...rest}
    >
      <motion.span
        aria-hidden="true"
        className="pointer-events-none absolute inset-y-0 left-[-18%] z-0 w-[136%] rounded-[inherit] bg-[linear-gradient(105deg,#111_0%,#737373_14%,#fafafa_26%,#525252_38%,#0a0a0a_50%,#a3a3a3_64%,#fff_75%,#404040_87%,#111_100%)]"
        animate={still ? undefined : { x: ["0%", "13%", "0%"] }}
        transition={still ? undefined : SILVER_DRIFT}
      />

      <motion.span
        aria-hidden="true"
        className="pointer-events-none absolute inset-y-0 left-[-58%] z-[1] w-[52%] -skew-x-12 bg-[linear-gradient(90deg,transparent,rgba(255,255,255,0.5)_48%,transparent)] opacity-50 blur-[3px] mix-blend-screen"
        animate={still ? undefined : { x: hovered ? "310%" : "0%" }}
        transition={still ? undefined : CHROME_SHIMMER}
      />

      <span
        aria-hidden="true"
        className="pointer-events-none absolute inset-[2px] z-[2] rounded-[inherit] bg-background transition-colors group-hover:bg-muted/40"
      />

      <span
        aria-hidden="true"
        className="pointer-events-none absolute inset-[2px] z-[3] rounded-[inherit] shadow-[inset_0_1px_0_rgba(255,255,255,0.28),inset_0_-1px_0_rgba(0,0,0,0.16)]"
      />

      <span className="relative z-10 inline-flex items-center justify-center gap-2">
        {children}
      </span>
    </Button>
  );
});

"use client";

import { Check, Loader2, X } from "lucide-react";
import {
  AnimatePresence,
  motion,
  useReducedMotion,
  type Variants,
} from "motion/react";
import {
  forwardRef,
  type ReactNode,
  useLayoutEffect,
  useRef,
  useState,
} from "react";
import { EASE_OUT, SPRING_SWAP } from "@/lib/ease";
import { Button, type ButtonProps } from "./base";

export type ButtonState = "idle" | "loading" | "success" | "error";

export interface StatefulButtonProps extends Omit<ButtonProps, "children"> {
  state?: ButtonState;
  children: ReactNode;
  loadingText?: ReactNode;
  successText?: ReactNode;
  errorText?: ReactNode;
  icon?: ReactNode;
}

const CASCADE_STAGGER = 0.025;
const ROLL_BLUR = "blur(6px)";

const CASCADE_LETTER_VARIANTS: Variants = {
  initial: { opacity: 0, y: "105%", filter: ROLL_BLUR },
  animate: (delay: number = 0) => ({
    opacity: 1,
    y: "0%",
    filter: "blur(0px)",
    transition: { ...SPRING_SWAP, delay },
  }),
  exit: (delay: number = 0) => ({
    opacity: 0,
    y: "-105%",
    filter: ROLL_BLUR,
    transition: { duration: 0.16, ease: EASE_OUT, delay: delay * 0.5 },
  }),
};

const ICON_VARIANTS: Variants = {
  // Width collapses too, so the icon adds/removes its own space smoothly
  // instead of popping the row width in a single frame.
  initial: { opacity: 0, width: 0, scale: 0.7, filter: ROLL_BLUR },
  animate: {
    opacity: 1,
    width: "1.5rem",
    scale: 1,
    filter: "blur(0px)",
    transition: SPRING_SWAP,
  },
  exit: {
    opacity: 0,
    width: 0,
    scale: 0.7,
    filter: ROLL_BLUR,
    transition: { duration: 0.16, ease: EASE_OUT },
  },
};

function IconSlot({ keyId, children }: { keyId: string; children: ReactNode }) {
  const reduce = useReducedMotion();
  return (
    <motion.span
      key={keyId}
      variants={ICON_VARIANTS}
      initial={reduce ? { opacity: 0 } : "initial"}
      animate={reduce ? { opacity: 1 } : "animate"}
      exit={reduce ? { opacity: 0 } : "exit"}
      transition={reduce ? { duration: 0.15 } : undefined}
      className="inline-grid shrink-0 place-items-center overflow-hidden"
    >
      {children}
    </motion.span>
  );
}

function TextSlot({
  value,
  children,
}: {
  value: string;
  children: ReactNode;
}) {
  const reduce = useReducedMotion();
  const measureRef = useRef<HTMLSpanElement>(null);
  const [width, setWidth] = useState<number>();
  const label = typeof children === "string" ? children : null;
  const cascade = label !== null && !reduce;

  // Measure strings with the same per-letter layout as the cascade. Measuring
  // the whole string preserves kerning, which can make it narrower than the
  // inline-block letters and clip the final glyph during the width animation.
  useLayoutEffect(() => {
    const nextWidth = measureRef.current?.offsetWidth;
    if (!nextWidth) return;
    setWidth((current) => (current === nextWidth ? current : nextWidth));
  });

  return (
    <motion.span
      initial={false}
      animate={{ width }}
      transition={reduce ? { duration: 0 } : SPRING_SWAP}
      className="relative inline-block overflow-hidden whitespace-nowrap align-bottom"
    >
      <span
        ref={measureRef}
        aria-hidden
        className="invisible inline-block whitespace-nowrap"
      >
        {cascade
          ? label.split("").map((char, index) => (
              <span
                // biome-ignore lint/suspicious/noArrayIndexKey: position is the slot identity.
                key={index}
                className="inline-block whitespace-pre"
              >
                {char}
              </span>
            ))
          : children}
      </span>

      {cascade ? (
        <>
          <span className="sr-only">{label}</span>
          <AnimatePresence initial={false}>
            <motion.span
              key={`cascade-${value}`}
              aria-hidden
              initial="initial"
              animate="animate"
              exit="exit"
              className="absolute left-0 top-0 inline-block whitespace-pre"
            >
              {label.split("").map((char, index) => (
                <motion.span
                  // biome-ignore lint/suspicious/noArrayIndexKey: position is the slot identity.
                  key={index}
                  custom={index * CASCADE_STAGGER}
                  variants={CASCADE_LETTER_VARIANTS}
                  // Own states: a label that swaps away and straight back
                  // re-enters mid-exit, and only owned targets are restored.
                  initial="initial"
                  animate="animate"
                  exit="exit"
                  className="inline-block whitespace-pre will-change-[opacity,filter,transform]"
                >
                  {char}
                </motion.span>
              ))}
            </motion.span>
          </AnimatePresence>
        </>
      ) : (
        <AnimatePresence initial={false}>
          <motion.span
            key={`text-${value}`}
            initial={reduce ? { opacity: 0 } : { opacity: 0, y: 14, filter: ROLL_BLUR }}
            animate={reduce ? { opacity: 1 } : { opacity: 1, y: 0, filter: "blur(0px)" }}
            exit={reduce ? { opacity: 0 } : { opacity: 0, y: -14, filter: ROLL_BLUR }}
            transition={reduce ? { duration: 0.15 } : SPRING_SWAP}
            className="absolute left-0 top-0 inline-block will-change-[opacity,filter,transform]"
          >
            {children}
          </motion.span>
        </AnimatePresence>
      )}
    </motion.span>
  );
}

export const StatefulButton = forwardRef<HTMLButtonElement, StatefulButtonProps>(function StatefulButton(
  {
    state = "idle",
    children,
    loadingText = "Loading",
    successText = "Done",
    errorText = "Try again",
    icon,
    disabled,
    ...rest
  },
  ref,
) {
  const isBusy = state === "loading";
  const stateText =
    state === "loading"
      ? loadingText
      : state === "success"
        ? successText
        : state === "error"
        ? errorText
        : children;
  const textKey =
    typeof stateText === "string" ? `${state}-${stateText}` : state;

  return (
    <Button ref={ref} disabled={disabled || isBusy} aria-busy={isBusy} whileHover={undefined} {...rest}>
      <span
        aria-live="polite"
        className="relative inline-flex items-center justify-center overflow-hidden"
      >
        <AnimatePresence initial={false}>
          {state === "loading" ? (
            <IconSlot keyId="loading-icon">
              <Loader2 className="h-4 w-4 animate-spin" />
            </IconSlot>
          ) : null}
          {state === "success" ? (
            <IconSlot keyId="success-icon">
              <Check className="h-4 w-4" />
            </IconSlot>
          ) : null}
          {state === "error" ? (
            <IconSlot keyId="error-icon">
              <X className="h-4 w-4" />
            </IconSlot>
          ) : null}
        </AnimatePresence>

        <TextSlot value={textKey}>{stateText}</TextSlot>

        <AnimatePresence initial={false}>
          {state === "idle" && icon ? (
            <IconSlot keyId="idle-icon">{icon}</IconSlot>
          ) : null}
        </AnimatePresence>
      </span>
    </Button>
  );
});

"use client";

import { useEffect, useState } from "react";

/**
 * Returns true only on devices that have a true hover (mouse / trackpad).
 * Touch devices fire phantom `:hover` on tap that sticks until tap-elsewhere
 * — gate hover-only effects (scale lifts, magnetic pulls) behind this.
 */
export function useHoverCapable() {
  const [canHover, setCanHover] = useState(false);

  useEffect(() => {
    if (typeof window === "undefined" || !window.matchMedia) return;
    const mq = window.matchMedia("(hover: hover) and (pointer: fine)");
    const update = () => setCanHover(mq.matches);
    update();
    mq.addEventListener?.("change", update);
    return () => mq.removeEventListener?.("change", update);
  }, []);

  return canHover;
}

"use client";

import { motion, useMotionValue, useReducedMotion, useSpring } from "motion/react";
import { useRef, type ReactNode } from "react";
import { SPRING_MOUSE } from "@/lib/ease";
import { useHoverCapable } from "@/lib/hooks/use-hover-capable";
import { cn } from "@/lib/utils";

export interface MagneticProps {
  children: ReactNode;
  strength?: number;
  className?: string;
}

export function Magnetic({ children, strength = 0.35, className }: MagneticProps) {
  const ref = useRef<HTMLDivElement>(null);
  const reduce = useReducedMotion();
  const canHover = useHoverCapable();
  // Decorative cursor-follow: skip on touch (phantom hover) and reduced motion.
  const enabled = !reduce && canHover;
  const x = useMotionValue(0);
  const y = useMotionValue(0);
  const sx = useSpring(x, SPRING_MOUSE);
  const sy = useSpring(y, SPRING_MOUSE);

  const onMove = (e: React.MouseEvent<HTMLDivElement>) => {
    const el = ref.current;
    if (!el || !enabled) return;
    const rect = el.getBoundingClientRect();
    x.set((e.clientX - rect.left - rect.width / 2) * strength);
    y.set((e.clientY - rect.top - rect.height / 2) * strength);
  };

  const onLeave = () => {
    x.set(0);
    y.set(0);
  };

  return (
    <motion.div
      ref={ref}
      onMouseMove={onMove}
      onMouseLeave={onLeave}
      style={{ x: sx, y: sy }}
      className={cn("inline-block", className)}
    >
      {children}
    </motion.div>
  );
}