AI Memory Timeline

import type { CSSProperties } from "react"

import { MemoryTimeline } from "@/components/ui/memory-timeline"

const fonts =
  "@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT@0,9..144,300..600,0..100;1,9..144,300..600,0..100&family=Geist:wght@400..600&family=Geist+Mono:wght@400..500&display=swap');"

const settings = {
  background: "#f7f5f0",
  card: "#ffffff",
  text: "#141a2e",
  muted: "#4a5166",
  primary: "#a8803a",
}

// Midnight by day as theme tokens: warm paper, night-blue ink, deep gold with white text on it,
// Fraunces for headings, Geist for text, Geist Mono for figures. The component itself only reads the tokens.
function day(s: typeof settings) {
  const t: Record<string, string> = {
    background: s.background,
    foreground: s.text,
    card: s.card,
    primary: s.primary,
    "muted-foreground": s.muted,
  }
  return {
    ...Object.fromEntries(Object.entries(t).flatMap(([k, v]) => [[`--${k}`, v], [`--color-${k}`, v]])),
    "--font-display": "Fraunces, ui-serif, Georgia, serif",
    "--font-sans": "Geist, ui-sans-serif, system-ui, sans-serif",
    "--font-mono": "'Geist Mono', ui-monospace, Menlo, monospace",
  } as CSSProperties
}

export default function Demo(props: Partial<typeof settings>) {
  const s = { ...settings, ...props }
  return (
    <div
      className="flex min-h-svh w-full items-center justify-center px-5 py-12"
      style={{ ...day(s), fontFamily: "Geist, ui-sans-serif, system-ui, sans-serif", background: s.background, color: s.text } as CSSProperties}
    >
      <style>{fonts}</style>
      <div
        className="w-full max-w-[520px] rounded-[28px] p-8 md:p-10"
        style={{ background: s.card, boxShadow: "inset 0 0 0 1px rgb(20 26 46 / 0.07), 0 1px 2px rgb(20 26 46 / 0.05), 0 16px 32px -20px rgb(20 26 46 / 0.22)" }}
      >
        <p className="text-[14px] font-medium" style={{ color: "#8a6a2e" }}>
          Context
        </p>
        <h3 className="mt-3 text-[26px] leading-[32px] font-semibold tracking-[-0.025em] text-balance">
          <span>Context that carries over.</span> <span style={{ color: s.muted }}>Every meeting picks up where the last one ended.</span>
        </h3>
        <MemoryTimeline
          className="mt-10"
          entries={[
            { when: "Mon", text: "[Acme] wants the pilot to start in [March]" },
            { when: "Tue", text: "[Legal] asked for the data processing terms" },
            { when: "Wed", text: "[Priya] at [Acme] owns the rollout" },
          ]}
          current={{ when: "Today", text: "Call with [Priya]: confirm [March] and send the [Legal] terms" }}
        />
      </div>
    </div>
  )
}