CRM Kontaktansicht

'use client';

import { useEffect, useId, useLayoutEffect, useMemo, useRef, useState } from 'react';
import { cn, type Locale, prefersReducedMotion, useLocale, useTexts } from '@/lib/kit';
import { Avatar } from '@/components/ui/avatar';
import { Button } from '@/components/ui/button';
import { Icon, type IconName } from '@/components/ui/icon';
import { useScrollFade } from '@/components/ui/motion';
import { Sidebar, type SidebarProps } from '@/components/ui/sidebar';

export type CrmContactVariant = 'profile' | 'timeline' | 'deals' | 'notes' | 'list-detail';

export type CrmActivityType = 'email' | 'call' | 'meeting' | 'note';

export interface CrmField {
  label: string;
  value: string;
  /** mailto:, tel: or a web address */
  href?: string;
}

export interface CrmPerson {
  id: string;
  name: string;
  role?: string;
  company?: string;
  email?: string;
  phone?: string;
  location?: string;
  /** Who looks after the contact */
  owner?: string;
  status?: 'lead' | 'customer' | 'inactive';
  tags?: string[];
  /** More fields, e.g. industry, website, customer number */
  fields?: CrmField[];
  /** Revenue so far, in the currency of the block */
  revenue?: number;
  /** ISO date and time of the last contact */
  lastContact?: string;
  /** ISO date and time of the next appointment */
  nextMeeting?: string;
}

export interface CrmActivity {
  id: string;
  type: CrmActivityType;
  title: string;
  body?: string;
  /** ISO date and time */
  time: string;
  author?: string;
  /** Calls and meetings, in minutes */
  minutes?: number;
  /** list-detail: the contact it belongs to */
  contactId?: string;
}

export interface CrmStage {
  id: string;
  label: string;
  /** Default chance to win in this stage, 0 to 100 */
  probability: number;
}

export interface CrmDeal {
  id: string;
  name: string;
  value: number;
  /** Stage id */
  stage: string;
  /** 0 to 100, defaults to the stage */
  probability?: number;
  /** ISO date of the expected close */
  close?: string;
  owner?: string;
  lost?: boolean;
  contactId?: string;
}

export interface CrmNote {
  id: string;
  /** Plain text, mentions written as @Name */
  body: string;
  author: string;
  /** ISO date and time */
  time: string;
  pinned?: boolean;
  contactId?: string;
}

export interface CrmContactProps {
  variant?: CrmContactVariant;
  /** The app frame. Leave it out (or null) for a standalone screen. */
  sidebar?: Omit<SidebarProps, 'children'> | null;
  title?: string;
  subtitle?: string;
  /** ISO date and time that counts as now */
  now?: string;
  /** ISO currency code, e.g. EUR or USD */
  currency?: string;
  /** The person on screen (all variants but list-detail) */
  contact?: CrmPerson;
  /** list-detail: everybody in the list */
  contacts?: CrmPerson[];
  activities?: CrmActivity[];
  deals?: CrmDeal[];
  /** The pipeline in order. The last stage counts as won. */
  stages?: CrmStage[];
  notes?: CrmNote[];
  /** Name of the person using the app, author of new entries */
  me?: string;
  /** People you can mention in notes with @ */
  people?: string[];
  /** Called on add, edit, stage change, pin and delete. Without it the block simulates the request. */
  onAction?: (action: string, data: Record<string, unknown>) => void | Promise<void>;
  labels?: Partial<(typeof TEXTS)['en']>;
  className?: string;
}

const TEXTS = {
  en: {
    email: 'Email',
    call: 'Call',
    meeting: 'Meeting',
    note: 'Note',
    emails: 'Emails',
    calls: 'Calls',
    meetings: 'Meetings',
    notesTab: 'Notes',
    all: 'All',
    history: 'History',
    deals: 'Deals',
    details: 'Details',
    showDetails: 'Show details',
    hideDetails: 'Hide details',
    sendEmail: 'Write email',
    callNow: 'Call',
    schedule: 'Book meeting',
    scheduled: 'Meeting request sent to {name}.',
    lead: 'Lead',
    customer: 'Customer',
    inactive: 'Inactive',
    owner: 'Owner',
    location: 'Location',
    phone: 'Phone',
    mail: 'Email',
    revenue: 'Revenue so far',
    openPipeline: 'Open deals',
    lastContact: 'Last contact',
    nextMeeting: 'Next meeting',
    none: 'None planned',
    contactSheet: 'Contact',
    tabs: 'Contact sections',
    composer: 'New entry',
    entryType: 'Type of entry',
    placeholderNote: 'What did you agree on?',
    placeholderCall: 'What did you talk about?',
    placeholderEmail: 'Subject and short summary of the email',
    placeholderMeeting: 'Topic and outcome of the meeting',
    add: 'Add entry',
    adding: 'Adding…',
    added: 'Entry added to the history.',
    shortcut: 'Ctrl and Enter adds the entry',
    filter: 'Show',
    today: 'Today',
    yesterday: 'Yesterday',
    minutes: '{n} min',
    more: 'Read more',
    less: 'Show less',
    empty: 'Nothing here yet. Your first entry starts the history.',
    inNumbers: 'Contact in numbers',
    pipeline: 'Pipeline',
    weighted: 'Weighted',
    won: 'Won',
    winRate: 'Win rate',
    stage: 'Stage of {name}',
    stageNow: '{name} is now in {stage}.',
    nextStage: 'Next stage',
    prevStage: 'Previous stage',
    chance: 'Chance {p}',
    closes: 'Closes {date}',
    markLost: 'Mark as lost',
    reopen: 'Reopen deal',
    lostNow: '{name} is marked as lost.',
    reopened: '{name} is open again.',
    lostTag: 'Lost',
    wonTag: 'Won',
    newDeal: 'New deal',
    dealName: 'Deal name',
    dealValue: 'Value',
    dealStage: 'Stage',
    createDeal: 'Create deal',
    dealCreated: 'Deal {name} created.',
    nameNeeded: 'Give the deal a name.',
    valueNeeded: 'Enter a value above zero.',
    noDeals: 'No deals yet. Create the first one below.',
    notes: 'Notes',
    pinned: 'Pinned',
    others: 'More notes',
    writeNote: 'Write a note, type @ to mention someone',
    saveNote: 'Save note',
    noteSaved: 'Note saved.',
    pin: 'Pin note',
    unpin: 'Unpin note',
    edit: 'Edit note',
    del: 'Delete note',
    deleted: 'Note deleted.',
    undo: 'Undo',
    restored: 'Note restored.',
    save: 'Save changes',
    cancel: 'Cancel',
    edited: 'Note updated.',
    mentions: 'Mentions',
    mentionsOf: 'Notes mentioning {name}',
    allNotes: 'All notes',
    suggestions: 'People to mention',
    noNotes: 'No note matches. Write the first one above.',
    searchNotes: 'Search notes',
    contacts: 'Contacts',
    search: 'Search contacts',
    noMatch: 'No contact matches. Try a company or a city.',
    back: 'Back to contacts',
    recent: 'Recent activity',
    openDeals: 'Open deals',
    count: '{n} contacts',
    nDeals: '{n} open',
    ago: 'Last contact {when}',
    noContact: 'Pick a contact to see the details.',
  },
  de: {
    email: 'E-Mail',
    call: 'Anruf',
    meeting: 'Termin',
    note: 'Notiz',
    emails: 'E-Mails',
    calls: 'Anrufe',
    meetings: 'Termine',
    notesTab: 'Notizen',
    all: 'Alle',
    history: 'Verlauf',
    deals: 'Deals',
    details: 'Details',
    showDetails: 'Details zeigen',
    hideDetails: 'Details ausblenden',
    sendEmail: 'E-Mail schreiben',
    callNow: 'Anrufen',
    schedule: 'Termin buchen',
    scheduled: 'Terminanfrage an {name} gesendet.',
    lead: 'Lead',
    customer: 'Kunde',
    inactive: 'Inaktiv',
    owner: 'Betreut von',
    location: 'Ort',
    phone: 'Telefon',
    mail: 'E-Mail',
    revenue: 'Umsatz bisher',
    openPipeline: 'Offene Deals',
    lastContact: 'Letzter Kontakt',
    nextMeeting: 'Nächster Termin',
    none: 'Noch keiner geplant',
    contactSheet: 'Kontakt',
    tabs: 'Bereiche des Kontakts',
    composer: 'Neuer Eintrag',
    entryType: 'Art des Eintrags',
    placeholderNote: 'Was habt ihr vereinbart?',
    placeholderCall: 'Worüber habt ihr gesprochen?',
    placeholderEmail: 'Betreff und kurze Zusammenfassung der E-Mail',
    placeholderMeeting: 'Thema und Ergebnis des Termins',
    add: 'Eintrag hinzufügen',
    adding: 'Wird hinzugefügt…',
    added: 'Eintrag im Verlauf gespeichert.',
    shortcut: 'Strg und Enter fügt den Eintrag hinzu',
    filter: 'Zeigen',
    today: 'Heute',
    yesterday: 'Gestern',
    minutes: '{n} Min.',
    more: 'Weiterlesen',
    less: 'Weniger zeigen',
    empty: 'Hier steht noch nichts. Dein erster Eintrag beginnt den Verlauf.',
    inNumbers: 'Kontakt in Zahlen',
    pipeline: 'Pipeline',
    weighted: 'Gewichtet',
    won: 'Gewonnen',
    winRate: 'Abschlussquote',
    stage: 'Phase von {name}',
    stageNow: '{name} ist jetzt in {stage}.',
    nextStage: 'Nächste Phase',
    prevStage: 'Vorige Phase',
    chance: 'Chance {p}',
    closes: 'Abschluss {date}',
    markLost: 'Als verloren markieren',
    reopen: 'Deal wieder öffnen',
    lostNow: '{name} ist als verloren markiert.',
    reopened: '{name} ist wieder offen.',
    lostTag: 'Verloren',
    wonTag: 'Gewonnen',
    newDeal: 'Neuer Deal',
    dealName: 'Name des Deals',
    dealValue: 'Wert',
    dealStage: 'Phase',
    createDeal: 'Deal anlegen',
    dealCreated: 'Deal {name} angelegt.',
    nameNeeded: 'Gib dem Deal einen Namen.',
    valueNeeded: 'Trag einen Wert über null ein.',
    noDeals: 'Noch keine Deals. Leg unten den ersten an.',
    notes: 'Notizen',
    pinned: 'Angeheftet',
    others: 'Weitere Notizen',
    writeNote: 'Notiz schreiben, mit @ jemanden erwähnen',
    saveNote: 'Notiz speichern',
    noteSaved: 'Notiz gespeichert.',
    pin: 'Notiz anheften',
    unpin: 'Notiz lösen',
    edit: 'Notiz bearbeiten',
    del: 'Notiz löschen',
    deleted: 'Notiz gelöscht.',
    undo: 'Rückgängig',
    restored: 'Notiz wiederhergestellt.',
    save: 'Änderungen speichern',
    cancel: 'Abbrechen',
    edited: 'Notiz aktualisiert.',
    mentions: 'Erwähnungen',
    mentionsOf: 'Notizen, die {name} erwähnen',
    allNotes: 'Alle Notizen',
    suggestions: 'Personen zum Erwähnen',
    noNotes: 'Keine Notiz passt. Schreib oben die erste.',
    searchNotes: 'Notizen durchsuchen',
    contacts: 'Kontakte',
    search: 'Kontakte suchen',
    noMatch: 'Kein Kontakt passt. Versuch es mit Firma oder Ort.',
    back: 'Zurück zu den Kontakten',
    recent: 'Letzte Aktivität',
    openDeals: 'Offene Deals',
    count: '{n} Kontakte',
    nDeals: '{n} offen',
    ago: 'Letzter Kontakt {when}',
    noContact: 'Wähle einen Kontakt, um die Details zu sehen.',
  },
};

type Texts = (typeof TEXTS)['en'];

const fill = (s: string, v: Record<string, string | number>) => s.replace(/\{(\w+)\}/g, (_, k) => String(v[k] ?? ''));

/* ------------------------------------------------------------------ */
/* Motion                                                              */
/* ------------------------------------------------------------------ */
/*
 * An area waits until it scrolls in (data-crmc=wait), then plays. Children
 * take crmc-up, crmc-pop or crmc-grow with --crmc-d as delay. crmc-in, crmc-fly
 * and crmc-flash run once when something new appears. The server renders the
 * end state, without JavaScript nothing waits longer than 2.5 s, with reduced
 * motion nothing moves.
 */
const useIso = typeof window === 'undefined' ? useEffect : useLayoutEffect;
const EASE = 'cubic-bezier(0.2, 0.7, 0.2, 1)';
const FX: [string, string, number][] = [
  ['up', 'opacity:0;transform:translateY(10px)', 600],
  ['pop', 'opacity:0;transform:scale(.94)', 450],
  ['grow', 'transform:scaleX(0)', 900],
];
const CSS =
  FX.map(([k, v]) => `@keyframes crmc-${k}{from{${v}}}@keyframes crmc-${k}-h{from{${v}}}`).join('') +
  '@keyframes crmc-fly{from{opacity:0;transform:translateX(16px)}}@keyframes crmc-flash{from{background-color:color-mix(in oklab,var(--primary) 12%,transparent)}}.crmc-grow{transform-origin:left}' +
  '@media (prefers-reduced-motion:no-preference){' +
  FX.map(([k, , d]) => `[data-crmc=play] .crmc-${k}{animation:crmc-${k} ${d}ms var(--ease-kit) var(--crmc-d,0ms) both}[data-crmc=wait] .crmc-${k}{animation:crmc-${k}-h 0s 1s both paused}`).join('') +
  '.crmc-in{animation:crmc-up .45s var(--ease-kit) var(--crmc-d,0ms) both}.crmc-fly{animation:crmc-fly .45s var(--ease-kit) var(--crmc-d,0ms) both}.crmc-flash{animation:crmc-flash 1.8s ease-out both}' +
  '}@media (scripting:enabled) and (prefers-reduced-motion:no-preference){' +
  FX.map(([k]) => `[data-crmc-scope]:not([data-crmc]) .crmc-${k}{animation:crmc-${k}-h 0s 2.5s both}`).join('') +
  '}';

function Style() {
  return (
    <style href="kitb5-crm-contact" precedence="default">
      {CSS}
    </style>
  );
}

function useEnter<T extends HTMLElement>() {
  const ref = useRef<T>(null);
  const [state, setState] = useState<'wait' | 'play' | undefined>(undefined);
  useEffect(() => {
    const el = ref.current;
    if (!el || prefersReducedMotion() || el.getBoundingClientRect().top < window.innerHeight * 0.92) return setState('play');
    setState('wait');
    const io = new IntersectionObserver(
      ([e]) => {
        if (!e?.isIntersecting) return;
        setState('play');
        io.disconnect();
      },
      { rootMargin: '0px 0px -8% 0px' },
    );
    io.observe(el);
    return () => io.disconnect();
  }, []);
  return [ref, { 'data-crmc-scope': '', 'data-crmc': state }] as const;
}

type Box = { x: number; y: number; w: number; h: number };
const boxOf = (el: Element, root: HTMLElement): Box => {
  const r = el.getBoundingClientRect();
  const b = root.getBoundingClientRect();
  return { x: r.left - b.left + root.scrollLeft, y: r.top - b.top + root.scrollTop, w: r.width, h: r.height };
};

/** The marker [data-glide] inside the active item glides over from the one before */
function useGlide<T extends HTMLElement>(key: unknown) {
  const ref = useRef<T>(null);
  const before = useRef<Box | null>(null);
  if (typeof window !== 'undefined' && ref.current) {
    const m = ref.current.querySelector('[data-glide]');
    before.current = m ? boxOf(m, ref.current) : null;
  }
  useIso(() => {
    const root = ref.current;
    const m = root?.querySelector<HTMLElement>('[data-glide]');
    const a = before.current;
    if (!root || !m || !a || prefersReducedMotion()) return;
    const b = boxOf(m, root);
    if (!b.w || !b.h || (Math.abs(a.x - b.x) < 1 && Math.abs(a.y - b.y) < 1 && Math.abs(a.w - b.w) < 1)) return;
    m.animate([{ transformOrigin: '0 0', transform: `translate(${a.x - b.x}px, ${a.y - b.y}px) scale(${a.w / b.w}, ${a.h / b.h})` }, { transformOrigin: '0 0', transform: 'none' }], { duration: 420, easing: EASE });
  }, [key]);
  return ref;
}

/* ------------------------------------------------------------------ */
/* Helpers                                                             */
/* ------------------------------------------------------------------ */

const MIN = 60000;
const toMs = (iso: string) => Date.parse(iso.length <= 10 ? iso + 'T00:00:00Z' : iso + (iso.endsWith('Z') ? '' : 'Z'));
const tagOf = (l: Locale) => (l === 'de' ? 'de-DE' : 'en-US');
const wait = (ms: number) => new Promise((r) => setTimeout(r, ms));
async function run(onAction: CrmContactProps['onAction'], action: string, data: Record<string, unknown>, ms = 600) {
  if (onAction) await onAction(action, data);
  else await wait(prefersReducedMotion() ? 0 : ms);
}

type Fmt = ReturnType<typeof makeFmt>;
function makeFmt(locale: Locale, currency: string, now: string) {
  const tag = tagOf(locale);
  const money0 = new Intl.NumberFormat(tag, { style: 'currency', currency, maximumFractionDigits: 0 });
  const num = new Intl.NumberFormat(tag);
  const pct = (n: number) => (locale === 'de' ? `${num.format(Math.round(n))} %` : `${num.format(Math.round(n))}%`);
  const date = (iso: string, o: Intl.DateTimeFormatOptions) => new Intl.DateTimeFormat(tag, { timeZone: 'UTC', ...o }).format(new Date(toMs(iso)));
  const time = (iso: string) => date(iso, { hour: locale === 'de' ? '2-digit' : 'numeric', minute: '2-digit' });
  const rtf = new Intl.RelativeTimeFormat(tag, { numeric: 'auto' });
  const ago = (iso: string) => {
    const d = Math.round((toMs(iso) - toMs(now)) / MIN);
    const a = Math.abs(d);
    if (a < 60) return rtf.format(d, 'minute');
    if (a < 1440) return rtf.format(Math.round(d / 60), 'hour');
    if (a < 1440 * 45) return rtf.format(Math.round(d / 1440), 'day');
    return rtf.format(Math.round(d / 43200), 'month');
  };
  const dayKey = (iso: string) => Math.floor(toMs(iso) / 86400000);
  return { money: (n: number) => money0.format(n), num: (n: number) => num.format(n), pct, date, time, ago, dayKey };
}

type P = Omit<CrmContactProps, 'variant' | 'sidebar' | 'labels' | 'className'> & { t: Texts; now: string; locale: Locale; f: Fmt; me: string };

const TYPE: Record<CrmActivityType, { icon: IconName; tone: string }> = {
  email: { icon: 'mail', tone: 'bg-[color-mix(in_oklab,var(--primary)_13%,var(--card))] text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))]' },
  call: { icon: 'phone', tone: 'bg-[color-mix(in_oklab,var(--success)_16%,var(--card))] text-success-foreground' },
  meeting: { icon: 'calendar', tone: 'bg-[color-mix(in_oklab,var(--warning)_20%,var(--card))] text-warning-foreground' },
  note: { icon: 'edit', tone: 'bg-[color-mix(in_oklab,var(--foreground)_8%,var(--card))] text-muted-foreground' },
};

const focusRing = 'outline-none focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-solid focus-visible:outline-[color-mix(in_oklab,var(--primary)_70%,transparent)]';
const field =
  'h-11 w-full min-w-0 rounded-lg border border-input bg-background px-3 text-base text-foreground shadow-[var(--shadow-sm)] outline-none transition-[border-color,box-shadow] duration-300 placeholder:text-subtle-foreground hover:border-border-strong focus:border-[color-mix(in_oklab,var(--primary)_60%,var(--border-strong))] focus:shadow-[0_0_0_3px_color-mix(in_oklab,var(--primary)_16%,transparent)] aria-[invalid=true]:border-destructive sm:h-9 sm:text-[13px]';
const area =
  'block w-full min-w-0 resize-none rounded-lg border border-input bg-background px-3 py-2.5 text-base leading-relaxed text-foreground shadow-[var(--shadow-sm)] outline-none transition-[border-color,box-shadow] duration-300 placeholder:text-subtle-foreground hover:border-border-strong focus:border-[color-mix(in_oklab,var(--primary)_60%,var(--border-strong))] focus:shadow-[0_0_0_3px_color-mix(in_oklab,var(--primary)_16%,transparent)] sm:text-[13.5px]';
const iconBtn = cn('grid size-11 shrink-0 cursor-pointer place-items-center rounded-md text-muted-foreground transition-colors hover:bg-accent hover:text-foreground sm:size-9', focusRing);

function Header({ title, subtitle, children }: { title?: string; subtitle?: React.ReactNode; children?: React.ReactNode }) {
  if (!title && !subtitle && !children) return null;
  return (
    <div className="mb-6 flex flex-col gap-4 sm:flex-row sm:items-end sm:justify-between">
      <div className="min-w-0">
        {subtitle && <p className="text-[13px] text-muted-foreground">{subtitle}</p>}
        {title && <h1 className="mt-0.5 text-balance text-[clamp(1.5rem,1.2rem+1vw,1.875rem)] font-semibold tracking-[-0.035em] text-foreground">{title}</h1>}
      </div>
      {children && <div className="flex flex-wrap items-center gap-2">{children}</div>}
    </div>
  );
}

function Main({ children, className }: { children: React.ReactNode; className?: string }) {
  return <main className={cn('mx-auto w-full max-w-[80rem] flex-1 p-4 sm:p-6 lg:p-8', className)}>{children}</main>;
}

const cardCls = 'rounded-xl border border-border bg-card shadow-[var(--highlight),var(--shadow-sm)]';

function Live({ text }: { text: string }) {
  return (
    <p role="status" aria-live="polite" className="sr-only">
      {text}
    </p>
  );
}

/** Chips as a radiogroup with arrow keys, scrolls sideways on phones */
function Chips<T extends string>({ options, value, onChange, label, className }: { options: { value: T; label: string; count?: number; icon?: IconName }[]; value: T; onChange: (v: T) => void; label: string; className?: string }) {
  const [row, fade] = useScrollFade<HTMLDivElement>();
  const onKey = (e: React.KeyboardEvent, i: number) => {
    const dir = e.key === 'ArrowRight' || e.key === 'ArrowDown' ? 1 : e.key === 'ArrowLeft' || e.key === 'ArrowUp' ? -1 : 0;
    const to = e.key === 'Home' ? 0 : e.key === 'End' ? options.length - 1 : dir ? (i + dir + options.length) % options.length : -1;
    if (to < 0) return;
    e.preventDefault();
    onChange(options[to].value);
    const el = row.current?.querySelectorAll<HTMLButtonElement>('[role=radio]')[to];
    el?.focus();
    el?.scrollIntoView({ block: 'nearest', inline: 'nearest' });
  };
  return (
    <div ref={row} role="radiogroup" aria-label={label} className={cn('kit-no-scrollbar -mx-4 flex gap-2 overflow-x-auto px-4 py-1 sm:mx-0 sm:flex-wrap sm:overflow-visible sm:px-0', fade, className)}>
      {options.map((o, i) => {
        const on = o.value === value;
        return (
          <button
            key={o.value}
            type="button"
            role="radio"
            aria-checked={on}
            tabIndex={on ? 0 : -1}
            onClick={() => onChange(o.value)}
            onKeyDown={(e) => onKey(e, i)}
            className={cn(
              'inline-flex h-11 shrink-0 cursor-pointer items-center gap-1.5 rounded-lg border px-3.5 text-[13px] font-medium transition-[background-color,border-color,color] duration-200 sm:h-9',
              focusRing,
              on ? 'border-transparent bg-foreground text-background' : 'border-border bg-card text-muted-foreground hover:border-border-strong hover:text-foreground',
            )}
          >
            {o.icon && <Icon name={o.icon} size={14} />}
            {o.label}
            {o.count !== undefined && <span className={cn('text-[12px] tabular-nums', on ? 'text-[color-mix(in_oklab,var(--background)_70%,transparent)]' : 'text-subtle-foreground')}>{o.count}</span>}
          </button>
        );
      })}
    </div>
  );
}

/** Tabs after the APG pattern: arrow keys, Home and End, automatic activation */
function Tabs<T extends string>({ id, tabs, value, onChange, label, className }: { id: string; tabs: { value: T; label: string; count?: number }[]; value: T; onChange: (v: T) => void; label: string; className?: string }) {
  const ref = useGlide<HTMLDivElement>(value);
  const go = (i: number) => {
    const n = (i + tabs.length) % tabs.length;
    onChange(tabs[n].value);
    document.getElementById(`${id}-tab-${tabs[n].value}`)?.focus();
  };
  return (
    <div ref={ref} role="tablist" aria-label={label} className={cn('relative flex border-b border-border', className)}>
      {tabs.map((x, i) => {
        const on = x.value === value;
        return (
          <button
            key={x.value}
            id={`${id}-tab-${x.value}`}
            type="button"
            role="tab"
            aria-selected={on}
            aria-controls={`${id}-panel-${x.value}`}
            tabIndex={on ? 0 : -1}
            onClick={() => onChange(x.value)}
            onKeyDown={(e) => {
              if (e.key === 'ArrowRight') (e.preventDefault(), go(i + 1));
              if (e.key === 'ArrowLeft') (e.preventDefault(), go(i - 1));
              if (e.key === 'Home') (e.preventDefault(), go(0));
              if (e.key === 'End') (e.preventDefault(), go(tabs.length - 1));
            }}
            className={cn('relative inline-flex h-12 flex-1 cursor-pointer items-center justify-center gap-1.5 px-3 text-[13.5px] font-medium outline-none transition-colors sm:flex-none sm:justify-start sm:px-4', 'focus-visible:bg-[color-mix(in_oklab,var(--primary)_8%,transparent)] focus-visible:outline-2 focus-visible:-outline-offset-2 focus-visible:outline-solid focus-visible:outline-[color-mix(in_oklab,var(--primary)_70%,transparent)]', on ? 'text-foreground' : 'text-muted-foreground hover:text-foreground')}
          >
            {x.label}
            {x.count !== undefined && <span className="rounded-full bg-muted px-1.5 text-[11.5px] tabular-nums text-muted-foreground">{x.count}</span>}
            {on && <span data-glide aria-hidden className="absolute inset-x-2 -bottom-px h-0.5 rounded-full bg-primary" />}
          </button>
        );
      })}
    </div>
  );
}

function StatusBadge({ status, t }: { status?: CrmPerson['status']; t: Texts }) {
  if (!status) return null;
  return (
    <span
      className={cn(
        'inline-flex h-6 items-center gap-1.5 rounded-md px-2 text-[12px] font-medium',
        status === 'customer' ? 'bg-[color-mix(in_oklab,var(--success)_14%,transparent)] text-success-foreground' : status === 'lead' ? 'bg-[color-mix(in_oklab,var(--primary)_12%,transparent)] text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))]' : 'bg-muted text-muted-foreground',
      )}
    >
      <span className={cn('size-1.5 rounded-full', status === 'customer' ? 'bg-success' : status === 'lead' ? 'bg-primary' : 'bg-subtle-foreground')} />
      {t[status]}
    </span>
  );
}

/** Mail, call and meeting as three real actions */
function QuickActions({ c, t, onMeeting, className }: { c: CrmPerson; t: Texts; onMeeting: () => void; className?: string }) {
  const item = cn('group flex min-h-11 cursor-pointer flex-col items-center justify-center gap-1 rounded-lg border border-border bg-surface px-2 py-2.5 text-[12.5px] font-medium text-foreground transition-[border-color,background-color,translate] duration-300 hover:-translate-y-0.5 hover:border-border-strong hover:bg-card', focusRing);
  const ic = 'text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))] transition-transform duration-300 group-hover:scale-110';
  return (
    <div className={cn('grid grid-cols-3 gap-2', className)}>
      <a href={c.email ? `mailto:${c.email}` : undefined} className={item}>
        <Icon name="mail" size={16} className={ic} />
        {t.sendEmail}
      </a>
      <a href={c.phone ? `tel:${c.phone.replace(/[^\d+]/g, '')}` : undefined} className={item}>
        <Icon name="phone" size={16} className={ic} />
        {t.callNow}
      </a>
      <button type="button" onClick={onMeeting} className={item}>
        <Icon name="calendar-check" size={16} className={ic} />
        {t.schedule}
      </button>
    </div>
  );
}

function detailRows(c: CrmPerson, t: Texts, f: Fmt): CrmField[] {
  const rows: CrmField[] = [];
  if (c.email) rows.push({ label: t.mail, value: c.email, href: `mailto:${c.email}` });
  if (c.phone) rows.push({ label: t.phone, value: c.phone, href: `tel:${c.phone.replace(/[^\d+]/g, '')}` });
  if (c.location) rows.push({ label: t.location, value: c.location });
  if (c.owner) rows.push({ label: t.owner, value: c.owner });
  if (c.revenue !== undefined) rows.push({ label: t.revenue, value: f.money(c.revenue) });
  return [...rows, ...(c.fields ?? [])];
}

function Fields({ rows, className }: { rows: CrmField[]; className?: string }) {
  return (
    <dl className={cn('grid gap-0', className)}>
      {rows.map((r) => (
        <div key={r.label} className="grid grid-cols-[minmax(0,7.5rem)_minmax(0,1fr)] items-baseline gap-3 border-b border-border py-2.5 last:border-b-0">
          <dt className="truncate text-[12.5px] text-muted-foreground">{r.label}</dt>
          <dd className={cn('min-w-0 text-[13.5px] text-foreground', r.href ? 'break-all' : 'truncate')}>
            {r.href ? (
              <a href={r.href} className={cn('cursor-pointer rounded-sm underline decoration-border-strong underline-offset-4 transition-colors hover:decoration-primary', focusRing)}>
                {r.value}
              </a>
            ) : (
              r.value
            )}
          </dd>
        </div>
      ))}
    </dl>
  );
}

/** Head of a contact: avatar, name, role at company, status and tags */
function PersonHead({ c, t, size = 'xl', center }: { c: CrmPerson; t: Texts; size?: 'lg' | 'xl'; center?: boolean }) {
  return (
    <div className={cn('flex min-w-0 gap-4', center ? 'flex-col items-center text-center sm:flex-row sm:items-center sm:text-left' : 'items-center')}>
      <Avatar name={c.name} size={size} />
      <div className="min-w-0">
        <h2 className="truncate text-[19px] font-semibold tracking-[-0.02em] text-foreground">{c.name}</h2>
        <p className="mt-0.5 truncate text-[13.5px] text-muted-foreground">{[c.role, c.company].filter(Boolean).join(' · ')}</p>
        <div className={cn('mt-2 flex flex-wrap items-center gap-1.5', center && 'justify-center sm:justify-start')}>
          <StatusBadge status={c.status} t={t} />
          {c.tags?.map((x) => (
            <span key={x} className="inline-flex h-6 items-center rounded-md border border-border px-2 text-[12px] text-muted-foreground">
              {x}
            </span>
          ))}
        </div>
      </div>
    </div>
  );
}

function ActivityRow({ a, t, f, compact, fresh }: { a: CrmActivity; t: Texts; f: Fmt; compact?: boolean; fresh?: boolean }) {
  const [open, setOpen] = useState(false);
  const id = useId();
  const long = !compact && (a.body?.length ?? 0) > 150;
  const ty = TYPE[a.type];
  return (
    <li className={cn('relative grid grid-cols-[2.25rem_minmax(0,1fr)] gap-3 rounded-lg py-3', fresh && 'crmc-in crmc-flash')}>
      <span className={cn('relative z-[1] grid size-9 place-items-center rounded-full ring-4 ring-card', ty.tone)}>
        <Icon name={ty.icon} size={15} />
      </span>
      <div className="min-w-0 pt-0.5">
        <p className="flex flex-wrap items-baseline gap-x-2 gap-y-0.5">
          <span className="text-[14px] font-medium text-foreground">{a.title}</span>
          <span className="text-[12.5px] tabular-nums text-subtle-foreground">
            {[t[a.type], a.author, f.time(a.time), a.minutes ? fill(t.minutes, { n: a.minutes }) : ''].filter(Boolean).join(' · ')}
          </span>
        </p>
        {a.body && (
          <div id={id} className={cn('mt-1 text-pretty text-[13.5px] leading-relaxed text-muted-foreground', (compact || (long && !open)) && 'line-clamp-2')}>
            {a.body}
          </div>
        )}
        {long && (
          <button type="button" aria-expanded={open} aria-controls={id} onClick={() => setOpen(!open)} className={cn('mt-1 inline-flex min-h-11 cursor-pointer items-center gap-1 rounded-sm text-[12.5px] font-medium text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))] hover:underline sm:min-h-0', focusRing)}>
            {open ? t.less : t.more}
            <Icon name="chevron-down" size={13} className={cn('transition-transform duration-300', open && 'rotate-180')} />
          </button>
        )}
      </div>
    </li>
  );
}

/** Activities grouped by day on one vertical line */
function ActivityList({ items, t, f, now, compact, freshId }: { items: CrmActivity[]; t: Texts; f: Fmt; now: string; compact?: boolean; freshId?: string }) {
  const today = f.dayKey(now);
  const groups = useMemo(() => {
    const out: { key: number; items: CrmActivity[] }[] = [];
    [...items].sort((a, b) => toMs(b.time) - toMs(a.time)).forEach((a) => {
      const k = f.dayKey(a.time);
      const g = out.find((x) => x.key === k);
      if (g) g.items.push(a);
      else out.push({ key: k, items: [a] });
    });
    return out;
  }, [items, f]);
  if (!items.length) return <p className="rounded-xl border border-dashed border-border px-4 py-10 text-center text-[13.5px] text-muted-foreground">{t.empty}</p>;
  return (
    <div className="grid gap-4">
      {groups.map((g) => (
        <section key={g.key} aria-label={g.key === today ? t.today : g.key === today - 1 ? t.yesterday : f.date(g.items[0].time, { weekday: 'long', day: 'numeric', month: 'long' })}>
          <h3 className="py-1 text-[12px] font-semibold uppercase tracking-[0.06em] text-subtle-foreground">
            {g.key === today ? t.today : g.key === today - 1 ? t.yesterday : f.date(g.items[0].time, { weekday: 'long', day: 'numeric', month: 'long' })}
          </h3>
          <ol className="relative">
            <span aria-hidden className="absolute bottom-5 start-[17.5px] top-5 w-px bg-border" />
            {g.items.map((a) => (
              <ActivityRow key={a.id} a={a} t={t} f={f} compact={compact} fresh={a.id === freshId} />
            ))}
          </ol>
        </section>
      ))}
    </div>
  );
}

const stageOf = (stages: CrmStage[], id: string) => Math.max(0, stages.findIndex((s) => s.id === id));
const probOf = (d: CrmDeal, stages: CrmStage[]) => (d.lost ? 0 : (d.probability ?? stages.find((s) => s.id === d.stage)?.probability ?? 0));

function DealRow({ d, stages, t, f }: { d: CrmDeal; stages: CrmStage[]; t: Texts; f: Fmt }) {
  const i = stageOf(stages, d.stage);
  const p = probOf(d, stages);
  const won = i === stages.length - 1 && !d.lost;
  return (
    <li className="grid gap-2 rounded-lg border border-border bg-surface p-3.5 transition-[border-color,translate] duration-300 hover:-translate-y-0.5 hover:border-border-strong">
      <div className="flex items-baseline justify-between gap-3">
        <span className="min-w-0 truncate text-[14px] font-medium text-foreground">{d.name}</span>
        <span className="shrink-0 text-[14px] font-semibold tabular-nums text-foreground">{f.money(d.value)}</span>
      </div>
      <div className="flex gap-1" aria-hidden>
        {stages.map((s, k) => (
          <span key={s.id} className={cn('h-1.5 flex-1 rounded-full', d.lost ? 'bg-track' : k <= i ? (won ? 'bg-success' : 'bg-primary') : 'bg-track')} />
        ))}
      </div>
      <p className="flex flex-wrap justify-between gap-x-3 text-[12.5px] text-muted-foreground">
        <span>{d.lost ? t.lostTag : stages[i]?.label}</span>
        <span className="tabular-nums">{[fill(t.chance, { p: f.pct(p) }), d.close ? fill(t.closes, { date: f.date(d.close, { day: 'numeric', month: 'short' }) }) : ''].filter(Boolean).join(' · ')}</span>
      </p>
    </li>
  );
}

function Mentioned({ text, people }: { text: string; people: string[] }) {
  const parts = useMemo(() => {
    if (!people.length) return [text];
    const names = [...people].sort((a, b) => b.length - a.length).map((n) => n.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'));
    return text.split(new RegExp(`(@(?:${names.join('|')}))`, 'g'));
  }, [text, people]);
  return (
    <>
      {parts.map((p, i) =>
        p.startsWith('@') && people.includes(p.slice(1)) ? (
          <span key={i} className="rounded bg-[color-mix(in_oklab,var(--primary)_12%,transparent)] px-1 font-medium text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))]">
            {p}
          </span>
        ) : (
          <span key={i}>{p}</span>
        ),
      )}
    </>
  );
}

/* ------------------------------------------------------------------ */
/* profile                                                             */
/* ------------------------------------------------------------------ */

function Profile({ t, f, title, subtitle, contact, activities = [], deals = [], stages = [], notes = [], people = [], now, onAction }: P) {
  const id = useId();
  const [tab, setTab] = useState<'history' | 'deals' | 'notes'>('history');
  const [details, setDetails] = useState(false);
  const [msg, setMsg] = useState('');
  const [scope, enter] = useEnter<HTMLDivElement>();
  if (!contact) return null;
  const c = contact;
  const open = deals.filter((d) => !d.lost && stageOf(stages, d.stage) < stages.length - 1);
  const openSum = open.reduce((s, d) => s + d.value, 0);
  const sorted = [...notes].sort((a, b) => Number(!!b.pinned) - Number(!!a.pinned) || toMs(b.time) - toMs(a.time));
  const tiles = [
    { label: t.openPipeline, value: f.money(openSum), note: fill(t.nDeals, { n: open.length }) },
    { label: t.lastContact, value: c.lastContact ? f.ago(c.lastContact) : t.none, note: c.lastContact ? f.date(c.lastContact, { day: 'numeric', month: 'short' }) : '' },
    { label: t.nextMeeting, value: c.nextMeeting ? f.date(c.nextMeeting, { weekday: 'short', day: 'numeric', month: 'short' }) : t.none, note: c.nextMeeting ? f.time(c.nextMeeting) : '' },
  ];
  return (
    <Main>
      <Header title={title} subtitle={subtitle} />
      <div ref={scope} {...enter} className="grid grid-cols-[minmax(0,1fr)] gap-5 lg:grid-cols-[22rem_minmax(0,1fr)] lg:items-start">
        <section aria-label={t.contactSheet} className={cn(cardCls, 'crmc-up p-4 sm:p-5 lg:sticky lg:top-6')}>
          <PersonHead c={c} t={t} center />
          <QuickActions
            c={c}
            t={t}
            className="mt-5"
            onMeeting={async () => {
              await run(onAction, 'schedule', { id: c.id });
              setMsg(fill(t.scheduled, { name: c.name }));
            }}
          />
          {/* Phones and tablets: details fold away under a button. Desktop: always open. */}
          <span aria-hidden className="mt-4 block h-px bg-border lg:hidden" />
          <button type="button" aria-expanded={details} aria-controls={`${id}-details`} onClick={() => setDetails(!details)} className={cn('mt-1 flex h-11 w-full cursor-pointer items-center justify-between rounded-md px-1 text-[13.5px] font-medium text-foreground lg:hidden', focusRing)}>
            {details ? t.hideDetails : t.showDetails}
            <Icon name="chevron-down" size={16} className={cn('text-muted-foreground transition-transform duration-300', details && 'rotate-180')} />
          </button>
          <div id={`${id}-details`} className={cn('mt-2 lg:mt-5 lg:block lg:border-t lg:border-border lg:pt-2', details ? 'block crmc-in' : 'hidden')}>
            <h3 className="sr-only">{t.details}</h3>
            <Fields rows={detailRows(c, t, f)} />
          </div>
        </section>
        <div className="grid min-w-0 gap-5">
          <ul className="grid grid-cols-[minmax(0,1fr)] gap-px overflow-hidden rounded-xl border border-border bg-border sm:grid-cols-3">
            {tiles.map((x, i) => (
              <li key={x.label} className="bg-card px-4 py-3.5 sm:px-5 sm:py-4">
                <div className="crmc-up flex items-baseline justify-between gap-3 sm:block" style={{ '--crmc-d': `${80 + i * 70}ms` } as React.CSSProperties}>
                  <p className="text-[12.5px] text-muted-foreground">{x.label}</p>
                  <p className="text-right sm:mt-1 sm:text-left">
                    <span className="text-[17px] font-semibold tracking-[-0.02em] tabular-nums text-foreground sm:text-[20px]">{x.value}</span>
                    {x.note && <span className="ms-2 text-[12.5px] tabular-nums text-subtle-foreground sm:ms-0 sm:block">{x.note}</span>}
                  </p>
                </div>
              </li>
            ))}
          </ul>
          <section className={cn(cardCls, 'crmc-up min-w-0 overflow-hidden [--crmc-d:160ms]')}>
            <Tabs
              id={id}
              label={t.tabs}
              value={tab}
              onChange={setTab}
              className="px-1 sm:px-3"
              tabs={[
                { value: 'history', label: t.history, count: activities.length },
                { value: 'deals', label: t.deals, count: deals.length },
                { value: 'notes', label: t.notesTab, count: notes.length },
              ]}
            />
            <div role="tabpanel" id={`${id}-panel-${tab}`} aria-labelledby={`${id}-tab-${tab}`} tabIndex={0} className={cn('p-4 sm:p-5', 'outline-none focus-visible:shadow-[inset_0_0_0_2px_color-mix(in_oklab,var(--primary)_50%,transparent)]')}>
              <div key={tab} className="crmc-in">
                {tab === 'history' && <ActivityList items={activities.slice(0, 6)} t={t} f={f} now={now} compact />}
                {tab === 'deals' &&
                  (deals.length ? (
                    <ul className="grid gap-2.5">
                      {deals.map((d) => (
                        <DealRow key={d.id} d={d} stages={stages} t={t} f={f} />
                      ))}
                    </ul>
                  ) : (
                    <p className="py-8 text-center text-[13.5px] text-muted-foreground">{t.noDeals}</p>
                  ))}
                {tab === 'notes' && (
                  <ul className="grid gap-2.5">
                    {sorted.map((n) => (
                      <li key={n.id} className="rounded-lg border border-border bg-surface p-3.5">
                        <p className="flex items-center gap-2 text-[12.5px] text-subtle-foreground">
                          {n.pinned && <Icon name="pin" size={13} className="text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))]" />}
                          <span className="font-medium text-muted-foreground">{n.author}</span>
                          <span className="tabular-nums">{f.ago(n.time)}</span>
                        </p>
                        <p className="mt-1.5 text-pretty text-[13.5px] leading-relaxed text-foreground">
                          <Mentioned text={n.body} people={people} />
                        </p>
                      </li>
                    ))}
                  </ul>
                )}
              </div>
            </div>
          </section>
        </div>
      </div>
      <Live text={msg} />
    </Main>
  );
}

/* ------------------------------------------------------------------ */
/* timeline                                                            */
/* ------------------------------------------------------------------ */

function Timeline({ t, f, title, subtitle, contact, activities = [], now, me, onAction }: P) {
  const id = useId();
  const [items, setItems] = useState(activities);
  const [filter, setFilter] = useState<'all' | CrmActivityType>('all');
  const [kind, setKind] = useState<CrmActivityType>('note');
  const [text, setText] = useState('');
  const [busy, setBusy] = useState(false);
  const [fresh, setFresh] = useState('');
  const [msg, setMsg] = useState('');
  const [scope, enter] = useEnter<HTMLDivElement>();
  const counts = (k: CrmActivityType) => items.filter((a) => a.type === k).length;
  const shown = items.filter((a) => filter === 'all' || a.type === filter);
  const kinds: CrmActivityType[] = ['note', 'call', 'email', 'meeting'];
  const ph = { note: t.placeholderNote, call: t.placeholderCall, email: t.placeholderEmail, meeting: t.placeholderMeeting };
  const add = async () => {
    const body = text.trim();
    if (!body || busy) return;
    setBusy(true);
    const lines = body.split('\n');
    const a: CrmActivity = { id: `a${Date.now()}`, type: kind, title: lines[0].slice(0, 80), body: lines.slice(1).join('\n').trim() || (lines[0].length > 80 ? body : undefined), time: now, author: me };
    await run(onAction, 'add-activity', { activity: a });
    setItems((l) => [a, ...l]);
    setFresh(a.id);
    setText('');
    setBusy(false);
    if (filter !== 'all' && filter !== kind) setFilter('all');
    setMsg(t.added);
  };
  const total = Math.max(1, items.length);
  const stats = kinds.map((k) => ({ k, n: counts(k) }));
  const kindRef = useGlide<HTMLDivElement>(kind);
  return (
    <Main>
      <Header title={title} subtitle={subtitle} />
      <div ref={scope} {...enter} className="grid grid-cols-[minmax(0,1fr)] gap-5 lg:grid-cols-[minmax(0,1fr)_19rem] lg:items-start">
        <div className="grid min-w-0 gap-5">
          {/* Composer */}
          <section aria-labelledby={`${id}-c`} className={cn(cardCls, 'crmc-up p-4 sm:p-5')}>
            <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
              <h2 id={`${id}-c`} className="text-[14px] font-semibold text-foreground">
                {t.composer}
              </h2>
              <div
                ref={kindRef}
                role="radiogroup"
                aria-label={t.entryType}
                className="relative grid grid-cols-4 rounded-lg bg-muted p-1 sm:inline-grid"
                onKeyDown={(e) => {
                  const dir = e.key === 'ArrowRight' || e.key === 'ArrowDown' ? 1 : e.key === 'ArrowLeft' || e.key === 'ArrowUp' ? -1 : 0;
                  if (!dir) return;
                  e.preventDefault();
                  const n = kinds[(kinds.indexOf(kind) + dir + kinds.length) % kinds.length];
                  setKind(n);
                  kindRef.current?.querySelector<HTMLButtonElement>(`[data-k=${n}]`)?.focus();
                }}
              >
                {kinds.map((k) => (
                  <button key={k} data-k={k} type="button" role="radio" title={t[k]} aria-checked={kind === k} tabIndex={kind === k ? 0 : -1} onClick={() => setKind(k)} className={cn('relative inline-flex h-11 cursor-pointer items-center justify-center gap-1.5 rounded-md px-2.5 text-[13px] font-medium transition-colors sm:h-8', focusRing, kind === k ? 'text-foreground' : 'text-muted-foreground hover:text-foreground')}>
                    {kind === k && <span data-glide aria-hidden className="absolute inset-0 rounded-md bg-background shadow-[var(--shadow-sm)] ring-1 ring-border" />}
                    <Icon name={TYPE[k].icon} size={14} className="relative" />
                    <span className="relative max-sm:sr-only lg:max-xl:sr-only">{t[k]}</span>
                  </button>
                ))}
              </div>
            </div>
            <label htmlFor={`${id}-text`} className="sr-only">
              {ph[kind]}
            </label>
            <textarea
              id={`${id}-text`}
              rows={3}
              value={text}
              placeholder={ph[kind]}
              onChange={(e) => setText(e.target.value)}
              onKeyDown={(e) => {
                if (e.key === 'Enter' && (e.ctrlKey || e.metaKey)) (e.preventDefault(), void add());
              }}
              aria-describedby={`${id}-hint`}
              className={cn(area, 'mt-3')}
            />
            <div className="mt-3 flex flex-col-reverse gap-2 sm:flex-row sm:items-center sm:justify-between">
              <p id={`${id}-hint`} className="text-[12.5px] text-subtle-foreground max-sm:hidden">
                {t.shortcut}
              </p>
              <Button size="sm" iconLeft={busy ? 'loader' : 'plus'} disabled={!text.trim() || busy} onClick={() => void add()} className="max-sm:w-full">
                {busy ? t.adding : t.add}
              </Button>
            </div>
          </section>
          {/* Phones and tablets: the numbers as one row above the history */}
          <ul aria-label={t.inNumbers} className="crmc-up grid grid-cols-4 gap-px overflow-hidden rounded-xl border border-border bg-border [--crmc-d:60ms] lg:hidden">
            {stats.map(({ k, n }) => (
              <li key={k} className="flex flex-col items-center gap-1 bg-card px-1 py-3">
                <Icon name={TYPE[k].icon} size={15} className="text-muted-foreground" />
                <span className="text-[16px] font-semibold tabular-nums text-foreground">{n}</span>
                <span className="w-full truncate text-center text-[11.5px] text-muted-foreground">{t[`${k}s` as 'emails'] ?? t[k]}</span>
              </li>
            ))}
          </ul>
          <section aria-label={t.history} className={cn(cardCls, 'crmc-up min-w-0 p-4 [--crmc-d:120ms] sm:p-5')}>
            <Chips
              label={t.filter}
              value={filter}
              onChange={setFilter}
              options={[
                { value: 'all', label: t.all, count: items.length },
                { value: 'email', label: t.emails, count: counts('email') },
                { value: 'call', label: t.calls, count: counts('call') },
                { value: 'meeting', label: t.meetings, count: counts('meeting') },
                { value: 'note', label: t.notesTab, count: counts('note') },
              ]}
            />
            <div key={filter} className="crmc-in mt-4">
              <ActivityList items={shown} t={t} f={f} now={now} freshId={fresh} />
            </div>
          </section>
        </div>
        {/* Desktop: the contact and the numbers next to the history */}
        <aside className="hidden gap-5 lg:sticky lg:top-6 lg:grid">
          {contact && (
            <section aria-label={t.contactSheet} className={cn(cardCls, 'crmc-up p-5 [--crmc-d:80ms]')}>
              <PersonHead c={contact} t={t} size="lg" />
              <dl className="mt-4 grid gap-2 border-t border-border pt-4 text-[13px]">
                <div className="flex justify-between gap-3">
                  <dt className="text-muted-foreground">{t.lastContact}</dt>
                  <dd className="tabular-nums text-foreground">{contact.lastContact ? f.ago(contact.lastContact) : t.none}</dd>
                </div>
                <div className="flex justify-between gap-3">
                  <dt className="text-muted-foreground">{t.nextMeeting}</dt>
                  <dd className="text-right tabular-nums text-foreground">{contact.nextMeeting ? `${f.date(contact.nextMeeting, { weekday: 'short', day: 'numeric', month: 'short' })}, ${f.time(contact.nextMeeting)}` : t.none}</dd>
                </div>
              </dl>
            </section>
          )}
          <section className={cn(cardCls, 'crmc-up p-5 [--crmc-d:160ms]')}>
            <h2 className="text-[13px] font-semibold text-foreground">{t.inNumbers}</h2>
            <ul className="mt-4 grid gap-3.5">
              {stats.map(({ k, n }, i) => (
                <li key={k} className="grid gap-1.5">
                  <p className="flex items-center justify-between text-[13px]">
                    <span className="inline-flex items-center gap-2 text-muted-foreground">
                      <Icon name={TYPE[k].icon} size={14} />
                      {t[`${k}s` as 'emails'] ?? t[k]}
                    </span>
                    <span className="font-medium tabular-nums text-foreground">{n}</span>
                  </p>
                  <span className="block h-1.5 overflow-hidden rounded-full bg-track">
                    <span className="crmc-grow block h-full rounded-full bg-primary transition-[width] duration-500" style={{ width: `${Math.round((n / total) * 100)}%`, '--crmc-d': `${200 + i * 80}ms` } as React.CSSProperties} />
                  </span>
                </li>
              ))}
            </ul>
          </section>
        </aside>
      </div>
      <Live text={msg} />
    </Main>
  );
}

/* ------------------------------------------------------------------ */
/* deals                                                               */
/* ------------------------------------------------------------------ */

function Ladder({ d, stages, t, onChange }: { d: CrmDeal; stages: CrmStage[]; t: Texts; onChange: (stage: string) => void }) {
  const ref = useRef<HTMLDivElement>(null);
  const i = stageOf(stages, d.stage);
  const won = i === stages.length - 1;
  const go = (n: number) => {
    const k = Math.max(0, Math.min(stages.length - 1, n));
    onChange(stages[k].id);
    ref.current?.querySelectorAll<HTMLButtonElement>('[role=radio]')[k]?.focus();
  };
  return (
    <>
      {/* Tablet and desktop: every stage is a step you can pick */}
      <div ref={ref} role="radiogroup" aria-label={fill(t.stage, { name: d.name })} aria-disabled={d.lost || undefined} className="hidden grid-flow-col gap-1 sm:grid sm:auto-cols-fr">
        {stages.map((s, k) => {
          const on = k === i;
          const done = k <= i && !d.lost;
          return (
            <button
              key={s.id}
              type="button"
              role="radio"
              aria-checked={on}
              tabIndex={on ? 0 : -1}
              disabled={d.lost}
              onClick={() => go(k)}
              onKeyDown={(e) => {
                const dir = e.key === 'ArrowRight' || e.key === 'ArrowDown' ? 1 : e.key === 'ArrowLeft' || e.key === 'ArrowUp' ? -1 : 0;
                if (dir) (e.preventDefault(), go(k + dir));
                if (e.key === 'Home') (e.preventDefault(), go(0));
                if (e.key === 'End') (e.preventDefault(), go(stages.length - 1));
              }}
              className={cn('group relative min-w-0 cursor-pointer pt-3 text-left disabled:cursor-not-allowed', focusRing, 'rounded-sm')}
            >
              <span className={cn('absolute inset-x-0 top-0 h-1.5 rounded-full transition-[background-color] duration-500', done ? (won ? 'bg-success' : 'bg-primary') : 'bg-track group-hover:bg-[color-mix(in_oklab,var(--foreground)_22%,transparent)]')} />
              <span className={cn('block truncate text-[12px] transition-colors', on ? 'font-semibold text-foreground' : 'text-muted-foreground group-hover:text-foreground')}>{s.label}</span>
            </button>
          );
        })}
      </div>
      {/* Phones: the bar to read, one step back or on as buttons */}
      <div className="grid gap-2 sm:hidden">
        <div className="flex gap-1" aria-hidden>
          {stages.map((s, k) => (
            <span key={s.id} className={cn('h-1.5 flex-1 rounded-full transition-colors duration-500', k <= i && !d.lost ? (won ? 'bg-success' : 'bg-primary') : 'bg-track')} />
          ))}
        </div>
        <div className="flex items-center justify-between gap-2">
          <button type="button" aria-label={t.prevStage} disabled={d.lost || i === 0} onClick={() => go(i - 1)} className={cn(iconBtn, 'border border-border disabled:opacity-40')}>
            <Icon name="chevron-left" size={16} />
          </button>
          <span className="min-w-0 truncate text-center text-[13px] font-medium text-foreground" aria-live="polite">
            {d.lost ? t.lostTag : stages[i]?.label}
          </span>
          <button type="button" aria-label={t.nextStage} disabled={d.lost || won} onClick={() => go(i + 1)} className={cn(iconBtn, 'border border-border disabled:opacity-40')}>
            <Icon name="chevron-right" size={16} />
          </button>
        </div>
      </div>
    </>
  );
}

function Deals({ t, f, title, subtitle, deals = [], stages = [], me, onAction }: P) {
  const id = useId();
  const [items, setItems] = useState(deals);
  const [msg, setMsg] = useState('');
  const [form, setForm] = useState({ name: '', value: '', stage: stages[0]?.id ?? '' });
  const [tried, setTried] = useState(false);
  const [fresh, setFresh] = useState('');
  const [scope, enter] = useEnter<HTMLDivElement>();
  const last = stages.length - 1;
  const isWon = (d: CrmDeal) => !d.lost && stageOf(stages, d.stage) === last;
  const open = items.filter((d) => !d.lost && !isWon(d));
  const pipeline = open.reduce((s, d) => s + d.value, 0);
  const weighted = open.reduce((s, d) => s + (d.value * probOf(d, stages)) / 100, 0);
  const wonSum = items.filter(isWon).reduce((s, d) => s + d.value, 0);
  const closed = items.filter((d) => d.lost || isWon(d)).length;
  const rate = closed ? (items.filter(isWon).length / closed) * 100 : 0;
  const update = (d: CrmDeal, patch: Partial<CrmDeal>, text: string) => {
    setItems((l) => l.map((x) => (x.id === d.id ? { ...x, ...patch } : x)));
    setMsg(text);
    void run(onAction, 'update-deal', { id: d.id, ...patch });
  };
  const num = Number(form.value.replace(/[^\d,.-]/g, '').replace(/[.,](?=\d{3}(\D|$))/g, '').replace(',', '.'));
  const errName = tried && !form.name.trim();
  const errValue = tried && !(num > 0);
  const create = async () => {
    setTried(true);
    if (!form.name.trim() || !(num > 0)) {
      requestAnimationFrame(() => document.getElementById(!form.name.trim() ? `${id}-dn` : `${id}-dv`)?.focus());
      return;
    }
    const d: CrmDeal = { id: `d${Date.now()}`, name: form.name.trim(), value: num, stage: form.stage, owner: me };
    await run(onAction, 'create-deal', { deal: d });
    setItems((l) => [...l, d]);
    setFresh(d.id);
    setForm({ name: '', value: '', stage: stages[0]?.id ?? '' });
    setTried(false);
    setMsg(fill(t.dealCreated, { name: d.name }));
  };
  const tiles = [
    { label: t.pipeline, value: f.money(pipeline) },
    { label: t.weighted, value: f.money(Math.round(weighted)) },
    { label: t.won, value: f.money(wonSum) },
    { label: t.winRate, value: f.pct(rate) },
  ];
  return (
    <Main>
      <Header title={title} subtitle={subtitle} />
      <div ref={scope} {...enter} className="grid gap-5">
        <ul className="grid grid-cols-2 gap-px overflow-hidden rounded-xl border border-border bg-border lg:grid-cols-4">
          {tiles.map((x, i) => (
            <li key={x.label} className="bg-card px-4 py-3.5 sm:px-5 sm:py-4">
              <div className="crmc-up" style={{ '--crmc-d': `${i * 70}ms` } as React.CSSProperties}>
                <p className="text-[12.5px] text-muted-foreground">{x.label}</p>
                <p key={x.value} className="crmc-in mt-1 text-[18px] font-semibold tracking-[-0.02em] tabular-nums text-foreground sm:text-[22px]">
                  {x.value}
                </p>
              </div>
            </li>
          ))}
        </ul>
        {items.length ? (
          <ul className="grid gap-3">
            {items.map((d, i) => {
              const p = probOf(d, stages);
              const won = isWon(d);
              return (
                <li key={d.id} className={cn(cardCls, 'crmc-up p-4 transition-[border-color,box-shadow,opacity] duration-300 hover:border-border-strong hover:shadow-[var(--highlight),var(--shadow-md)] sm:p-5', d.lost && 'opacity-70', d.id === fresh && 'crmc-in crmc-flash')} style={{ '--crmc-d': `${120 + i * 70}ms` } as React.CSSProperties}>
                  <div className="grid grid-cols-[minmax(0,1fr)_auto] gap-x-4 gap-y-1">
                    <h2 className="flex min-w-0 flex-wrap items-center gap-2 text-[15px] font-semibold text-foreground">
                      <span className="min-w-0 truncate">{d.name}</span>
                      {won && <span className="inline-flex h-5 items-center gap-1 rounded bg-[color-mix(in_oklab,var(--success)_14%,transparent)] px-1.5 text-[11px] font-semibold text-success-foreground"><Icon name="trophy" size={11} />{t.wonTag}</span>}
                      {d.lost && <span className="inline-flex h-5 items-center rounded bg-muted px-1.5 text-[11px] font-semibold text-muted-foreground">{t.lostTag}</span>}
                    </h2>
                    <p className="row-span-2 text-right">
                      <span className="block text-[18px] font-semibold tracking-[-0.02em] tabular-nums text-foreground sm:text-[20px]">{f.money(d.value)}</span>
                      <span className="block text-[12.5px] tabular-nums text-muted-foreground">
                        {t.weighted} {f.money(Math.round((d.value * p) / 100))}
                      </span>
                    </p>
                    <p className="text-[12.5px] tabular-nums text-muted-foreground">{[d.owner, d.close ? fill(t.closes, { date: f.date(d.close, { day: 'numeric', month: 'short', year: 'numeric' }) }) : ''].filter(Boolean).join(' · ')}</p>
                  </div>
                  <div className="mt-4">
                    <Ladder d={d} stages={stages} t={t} onChange={(s) => update(d, { stage: s, probability: stages.find((x) => x.id === s)?.probability }, fill(t.stageNow, { name: d.name, stage: stages.find((x) => x.id === s)?.label ?? s }))} />
                  </div>
                  <div className="mt-4 flex flex-wrap items-center justify-between gap-3 border-t border-border pt-3">
                    <p className="flex min-w-0 flex-1 items-center gap-3 text-[12.5px] text-muted-foreground">
                      <span className="shrink-0 tabular-nums">{fill(t.chance, { p: f.pct(p) })}</span>
                      <span className="block h-1.5 w-full max-w-40 overflow-hidden rounded-full bg-track">
                        <span className={cn('block h-full rounded-full transition-[width] duration-500', won ? 'bg-success' : 'bg-primary')} style={{ width: `${p}%` }} />
                      </span>
                    </p>
                    {!won && (
                      <Button size="sm" variant="ghost" iconLeft={d.lost ? 'rotate-ccw' : 'x-circle'} onClick={() => update(d, { lost: !d.lost }, fill(d.lost ? t.reopened : t.lostNow, { name: d.name }))}>
                        {d.lost ? t.reopen : t.markLost}
                      </Button>
                    )}
                  </div>
                </li>
              );
            })}
          </ul>
        ) : (
          <p className="rounded-xl border border-dashed border-border px-4 py-10 text-center text-[13.5px] text-muted-foreground">{t.noDeals}</p>
        )}
        <form
          noValidate
          aria-labelledby={`${id}-new`}
          onSubmit={(e) => {
            e.preventDefault();
            void create();
          }}
          className={cn(cardCls, 'crmc-up border-dashed p-4 sm:p-5')}
        >
          <h2 id={`${id}-new`} className="text-[14px] font-semibold text-foreground">
            {t.newDeal}
          </h2>
          <div className="mt-3 grid grid-cols-[minmax(0,1fr)] gap-3 sm:grid-cols-2 lg:grid-cols-[minmax(0,1.6fr)_minmax(0,1fr)_minmax(0,1fr)_auto] lg:items-start">
            <label className="grid gap-1.5 text-[12.5px] font-medium text-muted-foreground">
              {t.dealName}
              <input id={`${id}-dn`} value={form.name} aria-invalid={errName} aria-describedby={errName ? `${id}-en` : undefined} onChange={(e) => setForm({ ...form, name: e.target.value })} className={field} />
              {errName && <span id={`${id}-en`} className="text-[12.5px] font-normal text-destructive">{t.nameNeeded}</span>}
            </label>
            <label className="grid gap-1.5 text-[12.5px] font-medium text-muted-foreground">
              {t.dealValue}
              <input id={`${id}-dv`} inputMode="decimal" value={form.value} aria-invalid={errValue} aria-describedby={errValue ? `${id}-ev` : undefined} onChange={(e) => setForm({ ...form, value: e.target.value })} onBlur={() => num > 0 && setForm((x) => ({ ...x, value: f.num(num) }))} className={cn(field, 'tabular-nums')} />
              {errValue && <span id={`${id}-ev`} className="text-[12.5px] font-normal text-destructive">{t.valueNeeded}</span>}
            </label>
            <label className="grid gap-1.5 text-[12.5px] font-medium text-muted-foreground">
              {t.dealStage}
              <span className="relative block">
                <select value={form.stage} onChange={(e) => setForm({ ...form, stage: e.target.value })} className={cn(field, 'cursor-pointer appearance-none pe-8')}>
                  {stages.slice(0, -1).map((s) => (
                    <option key={s.id} value={s.id}>
                      {s.label}
                    </option>
                  ))}
                </select>
                <Icon name="chevrons-up-down" size={14} className="pointer-events-none absolute end-2.5 top-1/2 -translate-y-1/2 text-subtle-foreground" />
              </span>
            </label>
            <Button type="submit" size="sm" iconLeft="plus" className="sm:col-span-2 lg:col-span-1 lg:mt-[1.4rem]">
              {t.createDeal}
            </Button>
          </div>
        </form>
      </div>
      <Live text={msg} />
    </Main>
  );
}

/* ------------------------------------------------------------------ */
/* notes                                                               */
/* ------------------------------------------------------------------ */

/** Textarea with @ mentions after the APG combobox pattern */
function MentionBox({ id, value, onChange, people, label, t, rows = 3, onSubmit, onEscape, autoFocus }: { id: string; value: string; onChange: (v: string) => void; people: string[]; label: string; t: Texts; rows?: number; onSubmit?: () => void; onEscape?: () => void; autoFocus?: boolean }) {
  const ref = useRef<HTMLTextAreaElement>(null);
  const [query, setQuery] = useState<string | null>(null);
  const [active, setActive] = useState(0);
  const list = query === null ? [] : people.filter((p) => p.toLowerCase().includes(query.toLowerCase())).slice(0, 5);
  const open = list.length > 0;
  useEffect(() => {
    if (autoFocus) ref.current?.focus();
  }, [autoFocus]);
  const sense = (el: HTMLTextAreaElement) => {
    const before = el.value.slice(0, el.selectionStart ?? el.value.length);
    const m = /(?:^|\s)@([\p{L}]*(?: [\p{L}]*)?)$/u.exec(before);
    setQuery(m ? m[1] : null);
    setActive(0);
  };
  const pick = (name: string) => {
    const el = ref.current;
    if (!el) return;
    const at = el.selectionStart ?? value.length;
    const before = value.slice(0, at).replace(/@([\p{L}]*(?: [\p{L}]*)?)$/u, `@${name} `);
    const next = before + value.slice(at);
    onChange(next);
    setQuery(null);
    requestAnimationFrame(() => {
      el.focus();
      el.setSelectionRange(before.length, before.length);
    });
  };
  return (
    <div className="relative">
      <label htmlFor={id} className="sr-only">
        {label}
      </label>
      <textarea
        ref={ref}
        id={id}
        rows={rows}
        value={value}
        placeholder={label}
        role="combobox"
        aria-autocomplete="list"
        aria-expanded={open}
        aria-controls={`${id}-list`}
        aria-activedescendant={open ? `${id}-o${active}` : undefined}
        onChange={(e) => {
          onChange(e.target.value);
          sense(e.target);
        }}
        onClick={(e) => sense(e.currentTarget)}
        onBlur={() => setTimeout(() => setQuery(null), 120)}
        onKeyDown={(e) => {
          if (open && (e.key === 'ArrowDown' || e.key === 'ArrowUp')) {
            e.preventDefault();
            setActive((a) => (a + (e.key === 'ArrowDown' ? 1 : -1) + list.length) % list.length);
            return;
          }
          if (open && (e.key === 'Enter' || e.key === 'Tab')) {
            e.preventDefault();
            pick(list[active]);
            return;
          }
          if (e.key === 'Escape') {
            if (open) {
              e.preventDefault();
              setQuery(null);
            } else onEscape?.();
            return;
          }
          if (e.key === 'Enter' && (e.ctrlKey || e.metaKey)) {
            e.preventDefault();
            onSubmit?.();
          }
        }}
        className={area}
      />
      <ul id={`${id}-list`} role="listbox" aria-label={t.suggestions} className={cn('absolute inset-x-0 top-full z-20 mt-1.5 max-w-xs overflow-hidden rounded-lg border border-border bg-card p-1 shadow-[var(--shadow-lg)]', open ? 'crmc-in' : 'invisible hidden')}>
        {list.map((p, i) => (
          <li
            key={p}
            id={`${id}-o${i}`}
            role="option"
            aria-selected={i === active}
            onMouseDown={(e) => {
              e.preventDefault();
              pick(p);
            }}
            onMouseEnter={() => setActive(i)}
            className={cn('flex min-h-11 cursor-pointer items-center gap-2.5 rounded-md px-2 text-[13.5px] text-foreground sm:min-h-9', i === active && 'bg-accent')}
          >
            <Avatar name={p} size="xs" />
            {p}
          </li>
        ))}
      </ul>
    </div>
  );
}

function Notes({ t, f, title, subtitle, notes = [], people = [], me, now, onAction }: P) {
  const id = useId();
  const [items, setItems] = useState(notes);
  const [draft, setDraft] = useState('');
  const [editing, setEditing] = useState<string | null>(null);
  const [editText, setEditText] = useState('');
  const [who, setWho] = useState<string>('all');
  const [q, setQ] = useState('');
  const [msg, setMsg] = useState('');
  const [removed, setRemoved] = useState<{ note: CrmNote; at: number } | null>(null);
  const [fresh, setFresh] = useState('');
  const [scope, enter] = useEnter<HTMLDivElement>();
  const mentionsOf = (n: CrmNote) => people.filter((p) => n.body.includes(`@${p}`));
  const shown = items.filter((n) => (who === 'all' || mentionsOf(n).includes(who)) && (!q || n.body.toLowerCase().includes(q.toLowerCase()) || n.author.toLowerCase().includes(q.toLowerCase())));
  const pinned = shown.filter((n) => n.pinned).sort((a, b) => toMs(b.time) - toMs(a.time));
  const rest = shown.filter((n) => !n.pinned).sort((a, b) => toMs(b.time) - toMs(a.time));
  const counts = people.map((p) => ({ p, n: items.filter((x) => mentionsOf(x).includes(p)).length })).filter((x) => x.n > 0);
  const save = async () => {
    const body = draft.trim();
    if (!body) return;
    const n: CrmNote = { id: `n${Date.now()}`, body, author: me, time: now };
    await run(onAction, 'add-note', { note: n }, 300);
    setItems((l) => [n, ...l]);
    setFresh(n.id);
    setDraft('');
    setMsg(t.noteSaved);
  };
  const toggle = (n: CrmNote) => {
    setItems((l) => l.map((x) => (x.id === n.id ? { ...x, pinned: !x.pinned } : x)));
    setFresh(n.id);
    setMsg(n.pinned ? t.unpin : t.pin);
    void run(onAction, 'pin-note', { id: n.id, pinned: !n.pinned });
  };
  const remove = (n: CrmNote) => {
    setRemoved({ note: n, at: items.indexOf(n) });
    setItems((l) => l.filter((x) => x.id !== n.id));
    setMsg(t.deleted);
    void run(onAction, 'delete-note', { id: n.id });
    requestAnimationFrame(() => document.getElementById(`${id}-undo`)?.focus());
  };
  const commit = (n: CrmNote) => {
    const body = editText.trim();
    if (!body) return;
    setItems((l) => l.map((x) => (x.id === n.id ? { ...x, body } : x)));
    setEditing(null);
    setFresh(n.id);
    setMsg(t.edited);
    void run(onAction, 'edit-note', { id: n.id, body });
    requestAnimationFrame(() => document.getElementById(`${id}-e-${n.id}`)?.focus());
  };
  const card = (n: CrmNote) => (
    <li key={n.id} className={cn('group rounded-xl border bg-card p-4 shadow-[var(--highlight),var(--shadow-sm)] transition-[border-color,translate,box-shadow] duration-300 hover:-translate-y-0.5 hover:shadow-[var(--highlight),var(--shadow-md)] sm:p-5', n.pinned ? 'border-[color-mix(in_oklab,var(--primary)_35%,var(--border))]' : 'border-border hover:border-border-strong', n.id === fresh && 'crmc-in')}>
      <div className="grid grid-cols-[auto_minmax(0,1fr)_auto] items-start gap-x-3">
        <Avatar name={n.author} size="sm" />
        <p className="flex min-w-0 flex-wrap items-baseline gap-x-2 pt-1 text-[13px] max-sm:flex-col">
          <span className="font-medium text-foreground">{n.author}</span>
          <time dateTime={n.time} className="tabular-nums text-subtle-foreground">
            {f.date(n.time, { day: 'numeric', month: 'short' })}, {f.time(n.time)}
          </time>
        </p>
        {editing !== n.id ? (
          <div role="group" aria-label={t.notes} className="-me-2 -mt-2 flex shrink-0 opacity-100 transition-opacity duration-200 sm:opacity-60 sm:group-focus-within:opacity-100 sm:group-hover:opacity-100">
            <button type="button" aria-label={n.pinned ? t.unpin : t.pin} aria-pressed={!!n.pinned} onClick={() => toggle(n)} className={cn(iconBtn, n.pinned && 'text-[color-mix(in_oklab,var(--primary)_80%,var(--foreground))]')}>
              <Icon name="pin" size={15} />
            </button>
            <button type="button" id={`${id}-e-${n.id}`} aria-label={t.edit} onClick={() => (setEditing(n.id), setEditText(n.body))} className={iconBtn}>
              <Icon name="edit" size={15} />
            </button>
            <button type="button" aria-label={t.del} onClick={() => remove(n)} className={cn(iconBtn, 'hover:text-destructive')}>
              <Icon name="trash" size={15} />
            </button>
          </div>
        ) : (
          <span />
        )}
        <div className="col-span-3 min-w-0 sm:col-span-2 sm:col-start-2">
          {editing === n.id ? (
            <div className="mt-3 grid gap-2 sm:mt-1.5">
              <MentionBox id={`${id}-edit-${n.id}`} value={editText} onChange={setEditText} people={people} label={t.edit} t={t} onSubmit={() => commit(n)} onEscape={() => setEditing(null)} autoFocus />
              <div className="flex flex-wrap gap-2">
                <Button size="sm" iconLeft="check" disabled={!editText.trim()} onClick={() => commit(n)}>
                  {t.save}
                </Button>
                <Button size="sm" variant="ghost" onClick={() => (setEditing(null), requestAnimationFrame(() => document.getElementById(`${id}-e-${n.id}`)?.focus()))}>
                  {t.cancel}
                </Button>
              </div>
            </div>
          ) : (
            <p className="mt-3 whitespace-pre-line text-pretty text-[14px] leading-relaxed text-foreground sm:mt-1">
              <Mentioned text={n.body} people={people} />
            </p>
          )}
        </div>
      </div>
    </li>
  );
  return (
    <Main>
      <Header title={title} subtitle={subtitle} />
      <div ref={scope} {...enter} className="grid grid-cols-[minmax(0,1fr)] gap-5 lg:grid-cols-[minmax(0,1fr)_18rem] lg:items-start">
        <div className="grid min-w-0 gap-5">
          <form
            onSubmit={(e) => {
              e.preventDefault();
              void save();
            }}
            className={cn(cardCls, 'crmc-up p-4 sm:p-5')}
          >
            <MentionBox id={`${id}-new`} value={draft} onChange={setDraft} people={people} label={t.writeNote} t={t} onSubmit={() => void save()} />
            <div className="mt-3 flex flex-col-reverse gap-2 sm:flex-row sm:items-center sm:justify-between">
              <p className="text-[12.5px] text-subtle-foreground max-sm:hidden">{t.shortcut}</p>
              <Button type="submit" size="sm" iconLeft="check" disabled={!draft.trim()} className="max-sm:w-full">
                {t.saveNote}
              </Button>
            </div>
          </form>
          {removed && (
            <p className="crmc-in flex items-center justify-between gap-3 rounded-lg border border-border bg-surface px-4 py-2 text-[13.5px] text-foreground">
              {t.deleted}
              <Button
                id={`${id}-undo`}
                size="sm"
                variant="ghost"
                iconLeft="undo"
                onClick={() => {
                  setItems((l) => [...l.slice(0, removed.at), removed.note, ...l.slice(removed.at)]);
                  setFresh(removed.note.id);
                  setRemoved(null);
                  setMsg(t.restored);
                }}
              >
                {t.undo}
              </Button>
            </p>
          )}
          {/* Phones and tablets: the mention filter as chips above the notes */}
          <label className="relative block lg:hidden">
            <span className="sr-only">{t.searchNotes}</span>
            <Icon name="search" size={15} className="pointer-events-none absolute start-3 top-1/2 -translate-y-1/2 text-subtle-foreground" />
            <input type="search" value={q} onChange={(e) => setQ(e.target.value)} placeholder={t.searchNotes} className={cn(field, 'ps-9')} />
          </label>
          {counts.length > 0 && <Chips className="-mt-2 lg:hidden" label={t.mentions} value={who} onChange={setWho} options={[{ value: 'all', label: t.allNotes, count: items.length }, ...counts.map((x) => ({ value: x.p, label: `@${x.p}`, count: x.n }))]} />}
          <div key={who + q} className="grid gap-5">
            {pinned.length > 0 && (
              <section aria-labelledby={`${id}-p`} className="crmc-up">
                <h2 id={`${id}-p`} className="mb-2.5 flex items-center gap-2 text-[12px] font-semibold uppercase tracking-[0.06em] text-subtle-foreground">
                  <Icon name="pin" size={13} />
                  {t.pinned}
                </h2>
                <ul className="grid gap-3">{pinned.map(card)}</ul>
              </section>
            )}
            {rest.length > 0 && (
              <section aria-labelledby={`${id}-r`} className="crmc-up [--crmc-d:100ms]">
                <h2 id={`${id}-r`} className="mb-2.5 text-[12px] font-semibold uppercase tracking-[0.06em] text-subtle-foreground">
                  {pinned.length ? t.others : t.notes}
                </h2>
                <ul className="grid gap-3">{rest.map(card)}</ul>
              </section>
            )}
            {!shown.length && <p className="rounded-xl border border-dashed border-border px-4 py-10 text-center text-[13.5px] text-muted-foreground">{t.noNotes}</p>}
          </div>
        </div>
        {/* Desktop: search and the mention filter beside the notes */}
        <aside className="hidden gap-5 lg:sticky lg:top-6 lg:grid">
          <label className="crmc-up relative block">
            <span className="sr-only">{t.searchNotes}</span>
            <Icon name="search" size={15} className="pointer-events-none absolute start-3 top-1/2 -translate-y-1/2 text-subtle-foreground" />
            <input type="search" value={q} onChange={(e) => setQ(e.target.value)} placeholder={t.searchNotes} className={cn(field, 'ps-9')} />
          </label>
          {counts.length > 0 && (
            <section className={cn(cardCls, 'crmc-up p-2 [--crmc-d:100ms]')}>
              <h2 className="px-3 pb-1 pt-2 text-[12px] font-semibold uppercase tracking-[0.06em] text-subtle-foreground">{t.mentions}</h2>
              <ul className="grid">
                {[{ p: 'all', n: items.length }, ...counts].map((x) => (
                  <li key={x.p}>
                    <button type="button" aria-pressed={who === x.p} aria-label={x.p === 'all' ? t.allNotes : fill(t.mentionsOf, { name: x.p })} onClick={() => setWho(x.p)} className={cn('flex h-10 w-full cursor-pointer items-center gap-2.5 rounded-md px-3 text-left text-[13.5px] transition-colors', focusRing, who === x.p ? 'bg-accent font-medium text-foreground' : 'text-muted-foreground hover:bg-accent hover:text-foreground')}>
                      {x.p === 'all' ? <Icon name="list" size={15} className="mx-[4px]" /> : <Avatar name={x.p} size="xs" />}
                      <span className="min-w-0 flex-1 truncate">{x.p === 'all' ? t.allNotes : x.p}</span>
                      <span className="text-[12px] tabular-nums text-subtle-foreground">{x.n}</span>
                    </button>
                  </li>
                ))}
              </ul>
            </section>
          )}
        </aside>
      </div>
      <Live text={msg} />
    </Main>
  );
}

/* ------------------------------------------------------------------ */
/* list-detail                                                         */
/* ------------------------------------------------------------------ */

function ListDetail({ t, f, title, subtitle, contacts = [], activities = [], deals = [], stages = [], now, onAction }: P) {
  const id = useId();
  const [q, setQ] = useState('');
  const [seg, setSeg] = useState<'all' | 'customer' | 'lead'>('all');
  const [sel, setSel] = useState(contacts[0]?.id ?? '');
  // Phones show the list or the detail, never both
  const [phoneDetail, setPhoneDetail] = useState(false);
  const [msg, setMsg] = useState('');
  const listRef = useRef<HTMLUListElement>(null);
  const [scope, enter] = useEnter<HTMLDivElement>();
  const shown = contacts.filter((c) => (seg === 'all' || c.status === seg) && (!q || [c.name, c.company, c.location, c.role].filter(Boolean).join(' ').toLowerCase().includes(q.toLowerCase())));
  const c = contacts.find((x) => x.id === sel);
  const choose = (cid: string, open = false) => {
    setSel(cid);
    if (open) {
      setPhoneDetail(true);
      requestAnimationFrame(() => document.getElementById(`${id}-head`)?.focus());
    }
  };
  const onKey = (e: React.KeyboardEvent) => {
    const i = shown.findIndex((x) => x.id === sel);
    let n = -1;
    if (e.key === 'ArrowDown') n = Math.min(shown.length - 1, i + 1);
    if (e.key === 'ArrowUp') n = Math.max(0, i - 1);
    if (e.key === 'Home') n = 0;
    if (e.key === 'End') n = shown.length - 1;
    if (e.key === 'Enter' || e.key === ' ') {
      e.preventDefault();
      if (sel) choose(sel, true);
      return;
    }
    if (n < 0 || !shown[n]) return;
    e.preventDefault();
    setSel(shown[n].id);
    listRef.current?.querySelector<HTMLElement>(`[data-id="${shown[n].id}"]`)?.scrollIntoView({ block: 'nearest' });
  };
  const acts = c ? activities.filter((a) => a.contactId === c.id).sort((a, b) => toMs(b.time) - toMs(a.time)).slice(0, 3) : [];
  const own = c ? deals.filter((d) => d.contactId === c.id && !d.lost && stageOf(stages, d.stage) < stages.length - 1) : [];
  return (
    <Main className="lg:p-6">
      <Header title={title} subtitle={subtitle} />
      <div ref={scope} {...enter} className={cn(cardCls, 'crmc-up grid min-h-[38rem] grid-cols-[minmax(0,1fr)] overflow-hidden sm:grid-cols-[17rem_minmax(0,1fr)] lg:grid-cols-[21rem_minmax(0,1fr)]')}>
        {/* The list */}
        <section aria-label={t.contacts} className={cn('min-w-0 flex-col border-border sm:flex sm:border-e', phoneDetail ? 'hidden' : 'flex')}>
          <div className="grid gap-3 border-b border-border p-3 sm:p-4">
            <label className="relative block">
              <span className="sr-only">{t.search}</span>
              <Icon name="search" size={15} className="pointer-events-none absolute start-3 top-1/2 -translate-y-1/2 text-subtle-foreground" />
              <input type="search" value={q} onChange={(e) => setQ(e.target.value)} placeholder={t.search} className={cn(field, 'ps-9')} />
            </label>
            <Chips
              label={t.filter}
              value={seg}
              onChange={setSeg}
              options={[
                { value: 'all', label: t.all, count: contacts.length },
                { value: 'customer', label: t.customer, count: contacts.filter((x) => x.status === 'customer').length },
                { value: 'lead', label: t.lead, count: contacts.filter((x) => x.status === 'lead').length },
              ]}
              className="-mx-3 px-3 sm:-mx-4 sm:flex-nowrap sm:overflow-x-auto sm:px-4"
            />
          </div>
          <p className="sr-only" aria-live="polite">
            {fill(t.count, { n: shown.length })}
          </p>
          {shown.length ? (
            <ul ref={listRef} role="listbox" aria-label={t.contacts} aria-activedescendant={sel ? `${id}-o-${sel}` : undefined} tabIndex={0} onKeyDown={onKey} className="relative min-h-0 flex-1 overflow-y-auto p-1.5 outline-none focus-visible:shadow-[inset_0_0_0_2px_color-mix(in_oklab,var(--primary)_50%,transparent)] sm:max-h-[34rem]">
              {shown.map((x, i) => {
                const on = x.id === sel;
                return (
                  <li key={x.id} id={`${id}-o-${x.id}`} data-id={x.id} role="option" aria-selected={on} onClick={() => choose(x.id, true)} className={cn('crmc-fly group flex min-h-14 cursor-pointer items-center gap-3 rounded-lg px-2.5 py-2 transition-colors', on ? 'bg-[color-mix(in_oklab,var(--primary)_9%,var(--card))]' : 'hover:bg-accent')} style={{ '--crmc-d': `${i * 40}ms` } as React.CSSProperties}>
                    <Avatar name={x.name} size="md" />
                    <span className="min-w-0 flex-1">
                      <span className="flex items-center gap-2">
                        <span className={cn('truncate text-[14px] text-foreground', on ? 'font-semibold' : 'font-medium')}>{x.name}</span>
                        <span aria-hidden className={cn('size-1.5 shrink-0 rounded-full', x.status === 'customer' ? 'bg-success' : x.status === 'lead' ? 'bg-primary' : 'bg-subtle-foreground')} />
                      </span>
                      <span className="block truncate text-[12.5px] text-muted-foreground">{x.company}</span>
                    </span>
                    <span className="shrink-0 text-[12px] tabular-nums text-subtle-foreground">{x.lastContact ? f.ago(x.lastContact) : ''}</span>
                    <Icon name="chevron-right" size={15} className="shrink-0 text-subtle-foreground transition-transform group-hover:translate-x-0.5 sm:hidden" />
                  </li>
                );
              })}
            </ul>
          ) : (
            <p className="px-6 py-12 text-center text-[13.5px] text-muted-foreground">{t.noMatch}</p>
          )}
        </section>
        {/* The detail */}
        <section aria-labelledby={`${id}-head`} className={cn('min-w-0 flex-col bg-surface sm:flex', phoneDetail ? 'flex' : 'hidden')}>
          {c ? (
            <div key={c.id} className="crmc-in flex flex-col gap-5 p-4 sm:p-6">
              <button type="button" onClick={() => (setPhoneDetail(false), requestAnimationFrame(() => listRef.current?.focus()))} className={cn('-ms-2 inline-flex h-11 cursor-pointer items-center gap-1.5 self-start rounded-md px-2 text-[13.5px] font-medium text-muted-foreground hover:text-foreground sm:hidden', focusRing)}>
                <Icon name="arrow-left" size={16} />
                {t.back}
              </button>
              <div className="flex flex-col gap-4 xl:flex-row xl:items-start xl:justify-between">
                <div id={`${id}-head`} tabIndex={-1} className="rounded-md outline-none">
                  <PersonHead c={c} t={t} size="lg" />
                </div>
                <QuickActions
                  c={c}
                  t={t}
                  className="xl:w-[22rem]"
                  onMeeting={async () => {
                    await run(onAction, 'schedule', { id: c.id });
                    setMsg(fill(t.scheduled, { name: c.name }));
                  }}
                />
              </div>
              <div className="grid grid-cols-[minmax(0,1fr)] gap-5 xl:grid-cols-2">
                <section className={cn(cardCls, 'px-4 py-1.5')}>
                  <h3 className="sr-only">{t.details}</h3>
                  <Fields rows={detailRows(c, t, f)} />
                </section>
                <div className="grid content-start gap-5">
                  <section className={cn(cardCls, 'p-4')}>
                    <h3 className="flex items-center justify-between text-[13px] font-semibold text-foreground">
                      {t.openDeals}
                      <span className="tabular-nums text-muted-foreground">{f.money(own.reduce((s, d) => s + d.value, 0))}</span>
                    </h3>
                    {own.length ? (
                      <ul className="mt-3 grid gap-2">
                        {own.map((d) => (
                          <DealRow key={d.id} d={d} stages={stages} t={t} f={f} />
                        ))}
                      </ul>
                    ) : (
                      <p className="mt-2 text-[13px] text-muted-foreground">{t.noDeals}</p>
                    )}
                  </section>
                </div>
              </div>
              <section className={cn(cardCls, 'p-4')}>
                <h3 className="text-[13px] font-semibold text-foreground">{t.recent}</h3>
                <div className="mt-2">
                  <ActivityList items={acts} t={t} f={f} now={now} compact />
                </div>
              </section>
            </div>
          ) : (
            <p className="m-auto px-6 py-16 text-center text-[13.5px] text-muted-foreground">{t.noContact}</p>
          )}
        </section>
      </div>
      <Live text={msg} />
    </Main>
  );
}

/* ------------------------------------------------------------------ */
/* CrmContact                                                          */
/* ------------------------------------------------------------------ */

/**
 * A contact in a CRM: the profile with tabs, the history with filters and
 * new entries, the deals with their stage as a ladder, notes with mentions,
 * and a contact list with the detail next to it.
 *   <CrmContact variant="profile" contact={…} activities={…} deals={…} stages={…} notes={…} />
 */
export function CrmContact({ variant = 'profile', sidebar, labels, className, now = '2026-10-23T10:30', currency = 'EUR', me = 'Lena Hoffmann', ...props }: CrmContactProps) {
  const t = useTexts(TEXTS, labels);
  const locale = useLocale();
  const f = useMemo(() => makeFmt(locale, currency, now), [locale, currency, now]);
  const p: P = { ...props, t, now, locale, f, me, currency };
  const body = (() => {
    switch (variant) {
      case 'timeline':
        return <Timeline {...p} />;
      case 'deals':
        return <Deals {...p} />;
      case 'notes':
        return <Notes {...p} />;
      case 'list-detail':
        return <ListDetail {...p} />;
      default:
        return <Profile {...p} />;
    }
  })();
  if (!sidebar)
    return (
      <div className={cn('min-h-dvh bg-background', className)}>
        <Style />
        {body}
      </div>
    );
  return (
    <Sidebar mobile="drawer" {...sidebar} className={className}>
      <Style />
      {body}
    </Sidebar>
  );
}