https://www.aicss.dev/components/

changes.vue

<template>
  <div class="diff">
    <div class="diff-head">
      <span class="diff-file-wrap">
        <svg class="diff-icon" viewBox="0 0 24 24" width="15" height="15" aria-hidden="true">
          <path d="M17.25 6.75 22.5 12l-5.25 5.25m-10.5 0L1.5 12l5.25-5.25m7.5-3-4.5 16.5" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
        </svg>
        <span class="diff-file">{{ file }}</span>
      </span>
      <span class="diff-stat">
        <span class="add">+{{ added }}</span>
        <span class="del">-{{ removed }}</span>
      </span>
    </div>
    <div class="diff-body">
      <div v-for="(r, i) in rows" :key="i" :class="['diff-row', r.type]">
        <span class="ln old">{{ r.old ?? "" }}</span>
        <span class="ln new">{{ r.cur ?? "" }}</span>
        <span class="sign">{{ r.type === "add" ? "+" : r.type === "del" ? "-" : "" }}</span>
        <code>{{ r.text }}</code>
      </div>
    </div>
  </div>
</template>

<script setup>
import { computed } from "vue";

const ROWS = [
  { old: 12, cur: 12, type: "ctx", text: "export function getToken() {" },
  { old: 13, cur: null, type: "del", text: "  return localStorage.token;" },
  { old: null, cur: 13, type: "add", text: '  const t = cookies.get("session");' },
  { old: null, cur: 14, type: "add", text: '  if (!t) throw new Error("no session");' },
  { old: null, cur: 15, type: "add", text: "  return t;" },
  { old: 14, cur: 16, type: "ctx", text: "}" },
];

const props = defineProps({
  file: { type: String, default: "src/auth.ts" },
  rows: { type: Array, default: () => ROWS },
});
const added = computed(() => props.rows.filter((r) => r.type === "add").length);
const removed = computed(() => props.rows.filter((r) => r.type === "del").length);
</script>

<style scoped>
.diff { border-radius: 12px; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.02), 0 0 0 0.5px rgba(0,0,0,0.08); padding: 12px 16px 16px; overflow: hidden; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.diff-head {
  display: flex; align-items: center; gap: 8px;
  margin: -12px -16px 0; padding: 10px 12px 10px 16px;
  background: transparent; border-bottom: 0.5px solid #e6e8ec; font-size: 12.5px;
}
.diff-file-wrap { display: inline-flex; align-items: center; gap: 7px; }
.diff-icon { display: block; width: 15px; height: 15px; color: #a1a1a1; flex: none; }
.diff-file { color: #1a1a1a; line-height: 1; }
.diff-stat { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 12px; line-height: 1; }
.diff-stat .add { color: #15a06a; }
.diff-stat .del { color: #dc2626; }
.diff-body {
  position: relative;
  margin: 0 -16px -16px; overflow: hidden;
  padding: 4px 0; font-size: 12.5px; line-height: 20px;
}
/* full-height gutter divider at the line-number edge (32px + 32px), unaffected
   by the body padding; z-index keeps it above the tinted add/del rows */
.diff-body::before { content: ""; position: absolute; top: 0; bottom: 0; left: 64px; width: 0.5px; background: #e6e8eb; z-index: 1; }
.diff-row {
  position: relative;
  display: grid; grid-template-columns: 32px 32px 18px 1fr; align-items: stretch;
}
.diff-row .ln, .diff-row .sign { user-select: none; color: #a1a1a1; font-size: 11px; }
.diff-row .ln { text-align: right; padding: 0 7px; }
.diff-row .sign { text-align: center; }
.diff-row code { white-space: pre; padding: 0 12px 0 8px; color: #a1a1a1; }
/* left accent bar: solid green for additions, red hatch for deletions */
.diff-row.add::before, .diff-row.del::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 3px;
}
.diff-row.add::before { background: #15a06a; }
.diff-row.del::before {
  background: repeating-linear-gradient(45deg, #dc2626 0, #dc2626 1.5px, transparent 1.5px, transparent 3px);
}
.diff-row.add { background: rgba(26, 127, 55, 0.09); }
.diff-row.add .sign, .diff-row.add .new { color: #15a06a; }
.diff-row.add code { color: #1a1a1a; }
.diff-row.del { background: rgba(207, 34, 46, 0.09); }
.diff-row.del .sign, .diff-row.del .old { color: #dc2626; }
.diff-row.del code { color: #1a1a1a; }
@media (prefers-color-scheme: dark) {
  .diff { background: #1a1a1a; box-shadow: 0 1px 2px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.3), 0 0 0 0.5px rgba(255,255,255,0.12); }
  .diff-head { border-bottom-color: #303030; }
  .diff-file { color: #f5f5f5; }
  .diff-stat .add { color: #34d399; }
  .diff-stat .del { color: #f87171; }
  .diff-body::before { background: #303030; }
  .diff-row.add { background: rgba(63, 185, 80, 0.15); }
  .diff-row.add::before { background: #34d399; }
  .diff-row.add .sign, .diff-row.add .new { color: #34d399; }
  .diff-row.add code { color: #f5f5f5; }
  .diff-row.del { background: rgba(248, 81, 73, 0.15); }
  .diff-row.del::before { background: repeating-linear-gradient(45deg, #f87171 0, #f87171 1.5px, transparent 1.5px, transparent 3px); }
  .diff-row.del .sign, .diff-row.del .old { color: #f87171; }
  .diff-row.del code { color: #f5f5f5; }
}
</style>

citations.vue

<template>
  <div class="cite-prose">
    <p>
      <template v-for="(p, i) in segments" :key="i">
        <span v-if="p.mark" class="cite-tip"><a class="cite-mark" :href="p.url" target="_blank" rel="noreferrer">{{ p.value }}</a><span class="cite-tip-box" role="tooltip">{{ p.label }}</span></span><span v-else>{{ p.value }}</span>
      </template>
    </p>
    <div class="cite-footer">
      <a v-for="r in refs" :key="r.n" class="cite-ref" :href="r.url" target="_blank" rel="noreferrer">
        <span class="cite-mark">{{ r.n }}</span>
        <span class="cite-ref-label">{{ r.label }}</span>
        <span class="cite-sep">·</span>
        <span class="cite-ref-host">{{ r.host }}</span>
        <span class="cite-arrow" aria-hidden="true">
          <svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M4.5 10.5 12 3m0 0 7.5 7.5M12 3v18" /></svg>
        </span>
      </a>
    </div>
  </div>
</template>

<script setup>
import { computed } from "vue";
const props = defineProps({
  text: {
    type: String,
    default: "Transformers scale well with data and compute[1], though attention is quadratic in sequence length[2].",
  },
  refs: {
    type: Array,
    default: () => [
      { n: 1, label: "Attention Is All You Need", host: "arxiv.org", url: "https://arxiv.org/abs/1706.03762" },
      { n: 2, label: "Efficient Transformers: A Survey", host: "arxiv.org", url: "https://arxiv.org/abs/2009.06732" },
    ],
  },
});
const segments = computed(() =>
  props.text.split(/(\[\d+\])/g).map((value) => {
    const m = value.match(/^\[(\d+)\]$/);
    if (!m) return { mark: false, value };
    const r = props.refs.find((x) => x.n === Number(m[1]));
    return { mark: true, value: m[1], url: r?.url, label: r?.label };
  })
);
</script>

<style scoped>
.cite-prose { font-size: 14px; line-height: 19px; color: #1a1a1a; }
.cite-prose p { margin: 0; }
.cite-mark { display: inline-flex; align-items: center; justify-content: center; width: 12px; height: 12px; flex: none; border-radius: 4px; background: #f4f5f7; color: #a1a1a1; font-size: 9px; font-weight: 600; line-height: 1; vertical-align: 5.5px; margin: 0 2px; }
a.cite-mark { cursor: pointer; text-decoration: none; transition: color 0.15s, background 0.15s; }
a.cite-mark:hover { color: #1a1a1a; background: #e6e8ec; }
.cite-tip { position: relative; display: inline; }
.cite-tip-box { position: absolute; left: 50%; bottom: calc(100% + 6px); transform: translateX(-50%) translateY(1px); font-size: 10px; line-height: 1; font-weight: 500; color: rgba(255, 255, 255, 0.9); background: rgba(29, 29, 29, 0.6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); padding: 4px 5px; border-radius: 6px; white-space: nowrap; pointer-events: none; opacity: 0; filter: blur(2px); transition: opacity 0.15s ease, transform 0.15s ease, filter 0.15s ease; z-index: 1000; }
.cite-tip:hover .cite-tip-box, .cite-tip:focus-within .cite-tip-box { opacity: 1; filter: blur(0); transform: translateX(-50%) translateY(0); }
.cite-footer { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; padding-top: 10px; border-top: 1px solid #e6e8ec; }
.cite-ref { display: flex; align-items: center; gap: 6px; font-size: 12px; line-height: 18px; color: #a1a1a1; min-width: 0; text-decoration: none; cursor: pointer; }
.cite-ref .cite-mark { margin: 0; }
.cite-ref-label { color: #1a1a1a; font-weight: 450; flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cite-sep { color: #a1a1a1; flex: none; }
.cite-ref-host { color: #a1a1a1; flex: none; white-space: nowrap; transition: color 0.16s; }
.cite-arrow { display: inline-flex; flex: none; margin-left: -2px; color: #a1a1a1; opacity: 0; transform: rotate(45deg) translate(0, 2px); transition: opacity 0.16s, transform 0.22s; pointer-events: none; }
.cite-ref:hover .cite-arrow { opacity: 1; transform: rotate(45deg) translate(0, 0); }
.cite-ref:hover .cite-ref-host { color: #1a1a1a; }
@media (prefers-color-scheme: dark) {
  .cite-prose { color: #f5f5f5; }
  .cite-mark { background: #424242; }
  a.cite-mark:hover { color: #f5f5f5; background: #525252; }
  .cite-footer { border-top-color: #303030; }
  .cite-sep { color: #737373; }
  .cite-arrow { color: #737373; }
  .cite-ref-label { color: #f5f5f5; }
  .cite-ref:hover .cite-ref-host { color: #f5f5f5; }
}
</style>

code.vue

<template>
  <div class="cb">
    <div class="cb-head">
      <span class="cb-file">
        <svg class="cb-icon" viewBox="0 0 24 24" width="15" height="15" aria-hidden="true"><path d="m8 6-6 6 6 6M16 6l6 6-6 6" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" /></svg>
        <span class="cb-lang">{{ lang }}</span>
      </span>
      <button class="cb-copy" @click="copy" :aria-label="copied ? 'Copied' : 'Copy code'">
        <svg v-if="copied" viewBox="0 0 24 24" width="13" height="13" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m4.5 12.75 6 6 9-13.5" /></svg>
        <svg v-else viewBox="0 0 24 24" width="13" height="13" fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="9" y="9" width="11" height="11" rx="2.5" /><path d="M5 15a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h8a2 2 0 0 1 2 2" /></svg>
        <span>{{ copied ? 'Copied' : 'Copy' }}</span>
      </button>
    </div>
    <div class="cb-body">
      <div class="cb-row" v-for="(line, i) in lines" :key="i">
        <span class="cb-ln">{{ i + 1 }}</span>
        <code class="cb-code">{{ line || '\u00A0' }}</code>
      </div>
    </div>
  </div>
</template>

<script setup>
import { computed, ref } from "vue";
const props = defineProps({ lang: String, code: String });
const copied = ref(false);
const lines = computed(() => (props.code ?? "").split("\n"));
function copy() {
  navigator.clipboard.writeText(props.code);
  copied.value = true;
  setTimeout(() => (copied.value = false), 1200);
}
</script>

<style scoped>
.cb { border-radius: 12px; background: #fff; box-shadow: 0 0 0 1px #e6e8ec; padding: 12px 16px 16px; overflow: hidden; }
.cb-head { display: flex; align-items: center; gap: 8px; margin: -12px -16px 0; padding: 10px 12px 10px 16px; background: transparent; border-bottom: 0.5px solid #e6e8ec; }
.cb-file { display: inline-flex; align-items: center; gap: 7px; }
.cb-icon { display: block; width: 15px; height: 15px; color: #a1a1a1; flex: none; }
.cb-lang { font-family: ui-monospace, monospace; font-size: 12.5px; line-height: 1; color: #1a1a1a; }
.cb-copy { margin-left: auto; margin-top: -7px; margin-bottom: -7px; display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: #a1a1a1; border: 0; background: none; padding: 3px 3px 3px 7px; border-radius: 7px; cursor: pointer; }
.cb-copy:hover { color: #1a1a1a; background: #f4f5f7; }
.cb-body { position: relative; margin: 0 -16px -16px; padding: 10px 0; font-family: ui-monospace, monospace; font-size: 12.5px; line-height: 20px; }
.cb-body::before { content: ""; position: absolute; top: 0; bottom: 0; left: 32px; width: 0.5px; background: #e6e8ec; }
.cb-row { display: grid; grid-template-columns: 32px 1fr; }
.cb-ln { user-select: none; text-align: right; padding: 0 7px; color: #a1a1a1; font-size: 11px; }
.cb-code { white-space: pre; padding: 0 12px 0 8px; color: #1a1a1a; overflow-x: auto; scrollbar-width: none; }
.cb-code::-webkit-scrollbar { display: none; }
@media (prefers-color-scheme: dark) {
  .cb { background: #1a1a1a; box-shadow: 0 0 0 1px #303030; }
  .cb-head { border-bottom-color: #303030; }
  .cb-lang { color: #f5f5f5; }
  .cb-copy:hover { color: #f5f5f5; background: #242424; }
  .cb-body::before { background: #303030; }
  .cb-code { color: #f5f5f5; }
}
</style>

comparision-table.vue

<template>
  <div class="tbl">
    <div class="tbl-head">
      <div class="tbl-cell">Feature</div>
      <div v-for="p in plans" :key="p" class="tbl-cell">{{ p }}</div>
    </div>
    <div class="tbl-body">
      <div v-for="f in features" :key="f.label" class="tbl-row">
        <div class="tbl-cell"><span class="tbl-cell-text">{{ f.label }}</span></div>
        <div v-for="(v, i) in f.values" :key="i" class="tbl-cell">
          <span v-if="v" class="yes">✓</span><span v-else class="no">—</span>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
defineProps({
  plans: { type: Array, default: () => ["Personal", "Enterprise"] },
  features: {
    type: Array,
    default: () => [
      { label: "Unlimited projects", values: [true, true] },
      { label: "All components", values: [true, true] },
      { label: "Team-wide usage", values: [false, true] },
      { label: "Priority support", values: [false, true] },
    ],
  },
});
</script>

<style scoped>
.tbl { width: 100%; display: flex; flex-direction: column; border: 1px solid #e6e8ec; border-radius: 12px; overflow: hidden; background: #fafafa; font-size: 13px; }
.tbl-head { display: flex; color: #a1a1a1; font-weight: 500; }
.tbl-head .tbl-cell { padding-top: 7px; padding-bottom: 7px; }
.tbl-body { display: flex; flex-direction: column; background: #fff; border: 1px solid #e6e8ec; border-radius: 12px 12px 0 0; margin: 0 -1px -1px; }
.tbl-row { display: flex; }
.tbl-row:not(:last-child) { border-bottom: 1px solid #e6e8ec; }
.tbl-cell { flex: 1 1 0; min-width: 0; padding: 9px 12px; display: flex; align-items: center; color: #1a1a1a; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tbl-cell:not(:last-child) { border-right: 1px solid #e6e8ec; }
/* text-overflow:ellipsis has no effect on a flex container's raw text, so the
   label lives in this shrinkable child instead. */
.tbl-cell-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yes { color: #15a06a; }
.no { color: #a1a1a1; }
@media (prefers-color-scheme: dark) {
  .tbl { background: #242424; border-color: transparent; box-shadow: 0 0 0 0.5px rgba(255,255,255,0.12); }
  .tbl-body { background: #1a1a1a; border-color: #303030; }
  .tbl-row:not(:last-child) { border-bottom-color: #303030; }
  .tbl-cell { color: #f5f5f5; }
  .tbl-cell:not(:last-child) { border-right-color: #303030; }
  .yes { color: #34d399; }
}
</style>

Orb.vue

/** Preview variant: S1 — trimmed to this variant's family + styles. */
<script setup lang="ts">
import { computed } from "vue";

/** The stage the geometry is tuned on; --orb-k scales it to `size`. */
const STAGE = 28;

/** Default rendered size — 20×20 indicator box. */
const SIZE = 20;

type LatticeVariant = "S1";
type OrbVariant = LatticeVariant;

const ORB_TASKS: Record<OrbVariant, string> = {
  S1: "Thinking",
};

const N = 3; // lattice is N×N
const PITCH = 6; // centre-to-centre spacing in stage px; the dot size is CSS
const MID = (N - 1) / 2;

/** Clockwise walk of the lattice perimeter — the track `orbit` runs on. */
const RING: [number, number][] = (() => {
  const ring: [number, number][] = [];
  for (let x = 0; x < N; x++) ring.push([x, 0]);
  for (let y = 1; y < N; y++) ring.push([N - 1, y]);
  for (let x = N - 2; x >= 0; x--) ring.push([x, N - 1]);
  for (let y = N - 2; y >= 1; y--) ring.push([0, y]);
  return ring;
})();

const RING_INDEX = new Map(RING.map(([x, y], i) => [x + "," + y, i]));

/**
 * Per-cell `animation-delay` in ms. Negative values seed a cell partway
 * into its cycle, which is what turns 8 identical animations into one
 * comet travelling the ring.
 */
function cellDelay(v: LatticeVariant, x: number, y: number): number {
  const dx = x - MID;
  const dy = y - MID;
  const ring = Math.max(Math.abs(dx), Math.abs(dy));
  switch (v) {
    // Radiates from the centre on a round wavefront. Centre leads a beat
    // early so the next swell doesn't sit behind the outer fade.
    case "S1":
      return Math.hypot(dx, dy) * 700 - (dx === 0 && dy === 0 ? 180 : 0);
    // A broad band crosses the grid on the diagonal. The spread is close to
    // the wave duration, which both widens the band and makes the sweep
    // continuous — the far corner restarts as the near one does.
    case "S2":
      return ((x + y) / (2 * (N - 1))) * 1500;
    // One head with a decaying tail, running the perimeter clockwise.
    case "S3": {
      const i = RING_INDEX.get(x + "," + y);
      if (i === undefined) return 0;
      return -(((RING.length - i) % RING.length) / RING.length) * 1700;
    }
    // A soft column travels left to right.
    case "S4":
      return (x / (N - 1)) * 1100;
    // Like S3 but scrambled order — the pulse jumps pseudo-randomly.
    case "S5": {
      const i = RING_INDEX.get(x + "," + y);
      if (i === undefined) return 0;
      const scrambled = (i * 3) % RING.length;
      return -(scrambled / RING.length) * 1700;
    }
  }
}

/**
 * `settle` gathers each cell from a position rotated one way around the
 * centre and releases it to the mirror rotation, so the cycle keeps swirling
 * the same way instead of rewinding to where it came from.
 */
const SWIRL = 1.05; // radians of rotation at each end, ~60°
const SPREAD = 1.6; // outward push, on top of the rotation

/** Offset from a cell's own grid slot to its swirled position, in stage px. */
function swirl(x: number, y: number, angle: number): [number, number] {
  const dx = x - MID;
  const dy = y - MID;
  const cos = Math.cos(angle);
  const sin = Math.sin(angle);
  return [
    ((dx * cos - dy * sin) * SPREAD - dx) * PITCH,
    ((dx * sin + dy * cos) * SPREAD - dy) * PITCH,
  ];
}

interface Cell {
  key: string;
  left: number;
  top: number;
  delay: number;
  /** Where `settle` gathers this cell from, and releases it to. */
  ax: number;
  ay: number;
  bx: number;
  by: number;
  /** Sits out the choreography (interior cells during `orbit`). */
  still: boolean;
  /** Centre cell — the static frame under reduced motion. */
  mid: boolean;
}

/** The 9 lattice cells, with position, phase and swirl vectors. */
function latticeCells(v: LatticeVariant): Cell[] {
  const cells: Cell[] = [];
  for (let y = 0; y < N; y++) {
    for (let x = 0; x < N; x++) {
      const [ax, ay] = swirl(x, y, -SWIRL);
      const [bx, by] = swirl(x, y, SWIRL);
      cells.push({
        key: x + "," + y,
        left: x * PITCH,
        top: y * PITCH,
        delay: cellDelay(v, x, y),
        ax,
        ay,
        bx,
        by,
        still: (v === "S3" || v === "S5") && !RING_INDEX.has(x + "," + y),
        mid: x === MID && y === MID,
      });
    }
  }
  return cells;
}

const props = withDefaults(
  defineProps<{
    variant?: OrbVariant;
    /** Rendered edge length in px. The 28px geometry scales to fit. */
    size?: number;
    /** Accessible label, and the status text when `pill` is set. */
    label?: string;
    /** Wraps the orb and its label in a status pill. */
    pill?: boolean;
  }>(),
  { variant: "S1", size: SIZE, label: undefined, pill: false },
);

const cells = computed(() => latticeCells(props.variant));
const text = computed(() => props.label ?? ORB_TASKS[props.variant] + "…");
</script>

<template>
  <span class="root" :data-pill="pill ? '' : null">
    <!-- In pill form the visible label already carries the meaning, so the
         glyph steps out of the accessibility tree. -->
    <span
      class="glyph"
      :role="pill ? null : 'img'"
      :aria-label="pill ? null : text"
      :aria-hidden="pill ? 'true' : null"
      :style="{
        width: size + 'px',
        height: size + 'px',
        '--orb-k': size / STAGE,
      }"
    >
      <span class="lattice" :data-variant="variant">
        <span
          v-for="c in cells"
          :key="c.key"
          class="cell"
          :data-still="c.still ? '' : null"
          :data-mid="c.mid ? '' : null"
          :style="{
            left: c.left + 'px',
            top: c.top + 'px',
            animationDelay: c.delay + 'ms',
            '--orb-ax': c.ax + 'px',
            '--orb-ay': c.ay + 'px',
            '--orb-bx': c.bx + 'px',
            '--orb-by': c.by + 'px',
          }"
        />
      </span>
    </span>
    <span v-if="pill" class="pill-label">{{ text }}</span>
  </span>
</template>

<style scoped>
/* The inline pill form — same component, wrapped. */
.root[data-pill] {
  gap: 7px;
  height: 30px;
  padding: 0 11px 0 5px;
  border-radius: 999px;
  background: #ffffff;
  /* A hairline ring rather than a border, so it can't affect layout, plus
     a tight contact shadow and a wider ambient one. */
  box-shadow:
    0 0 0 0.5px rgba(0, 0, 0, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.05),
    0 2px 4px rgba(0, 0, 0, 0.02);
}

.pill-label {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 11.5px;
  font-weight: 425;
  line-height: 1;
  color: #a1a1a1;
  white-space: nowrap;
}

.glyph {
  position: relative;
  display: block;
  flex: none;
  width: 20px;
  height: 20px;
  overflow: hidden;
  contain: strict;
}

@media (prefers-color-scheme: dark) {
  .root {
    color: #f5f5f5;
  }
  .root[data-pill] {
    background: #1a1a1a;
    box-shadow:
      0 0 0 0.5px rgba(255, 255, 255, 0.12),
      0 1px 2px rgba(0, 0, 0, 0.4),
      0 2px 4px rgba(0, 0, 0, 0.3);
  }
  .pill-label {
    color: #a3a3a3;
  }
}

/* --- Lattice: discrete dots on a fixed 3×3 grid ------------------- */

.lattice {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  transform-origin: 0 0;
  /* Three 3px dots on a 6px pitch measure 15px, so the grid is offset to sit
     centred on the 28px stage. It deliberately does not fill the stage: that
     is what keeps its visual weight level with the Lens circles. */
  transform: scale(var(--orb-k, 1)) translate(6.5px, 6.5px);
  /* Resting ink of an unlit cell — the grid stays legible between beats.
     --orb-dim is for cells sitting a choreography out entirely. */
  --orb-rest: 0.14;
  --orb-dim: 0.07;
}

@media (prefers-color-scheme: dark) {
  /* Light ink on a dark surface reads dimmer at the same alpha. */
  .lattice {
    --orb-rest: 0.2;
    --orb-dim: 0.1;
  }
}

.cell {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: var(--orb-rest);
}

/* One wave shape drives all three sweeps. What separates them is the pair of
   duration and per-cell stagger: the stagger sets how fast the wavefront
   travels, the duration how many cells it holds lit at once — which is to
   say, how wide the band reads. */
.lattice[data-variant="S1"] .cell {
  animation: orb-wave 1.7s var(--orb-ease-in-out) infinite both;
}

/* Swells and subsides on the same symmetric curve, so there is no flash and
   no hard edge — the cell rises out of its resting ink and sinks back into
   it. The long tail after 56% is the gap between beats. */
@keyframes orb-wave {
  0% {
    opacity: var(--orb-rest);
    transform: scale(1);
    animation-timing-function: cubic-bezier(0.66, 0, 0.34, 1);
  }
  28% {
    opacity: 1;
    transform: scale(1.18);
    animation-timing-function: cubic-bezier(0.66, 0, 0.34, 1);
  }
  56% {
    opacity: var(--orb-rest);
    transform: scale(1);
  }
  100% {
    opacity: var(--orb-rest);
    transform: scale(1);
  }
}

</style>

<!-- Usage:
       <Orb variant="S1" />
       <Orb variant="S1" label="…" pill />
-->

search.vue

<template>
  <div class="ws" :data-state="done ? 'done' : 'loading'">
    <div class="ws-row">
      <span v-html="searchSvg" />

      <span class="ws-label">
        <span class="ws-shimmer" :class="{ 'is-done': done }">
          Searching <span class="ws-quote">“{{ QUERY }}”</span>
        </span>
        <button type="button" class="ws-chevron" :aria-expanded="open" @click="open = !open" v-html="caretSvg" />
      </span>
    </div>

    <div class="ws-collapsible" :class="{ 'is-collapsed': !open }">
      <div class="ws-collapsible-inner">
        <div class="ws-results">
          <span class="ws-rail" />
          <ul class="ws-list">
            <li v-for="(site, i) in SITES" :key="site.url" class="ws-site" :data-state="states[i]">
              <span class="ws-bullet">
                <span class="ws-dots" v-html="dotsSvg" />
                <span class="ws-globe" v-html="globeSvg" />
                <span class="ws-check" v-html="checkSvg" />
              </span>
              <span class="ws-title">{{ site.title }}</span>
              <span class="ws-sep">·</span>
              <span class="ws-url">{{ site.url }}</span>
              <span class="ws-arrow" v-html="arrowSvg" />
            </li>
          </ul>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted, onUnmounted } from "vue";

const QUERY = "JWT auth vulnerabilities and middleware security best practices";
const SITES = [
  { title: "JWT verification best practices", url: "auth0.com/blog/jwt-security-best-practices", discover: 600, finish: 2400 },
  { title: "Node.js authentication security guide", url: "owasp.org/www-project-nodejs-goat", discover: 1600, finish: 4000 },
  { title: "JWT attacks · Web Security Academy", url: "portswigger.net/web-security/jwt", discover: 2800, finish: 5600 },
];

const M = {
  L: "M6.057 11.565 C2.081 11.565 0.371 8.159 0.371 5.964 C0.371 3.642 2.152 0.329 6.05 0.329",
  ML: "M6.012 11.55 C4.575 10.496 3.333 8.116 3.321 5.964 C3.307 3.399 4.974 0.977 6.012 0.329",
  MR: "M6.012 11.55 C7.211 10.781 8.715 8.287 8.715 5.964 C8.715 3.399 7.24 1.233 6.012 0.329",
  R: "M6.012 11.55 C9.677 11.55 11.65 8.487 11.65 5.964 C11.65 3.499 9.748 0.329 6.012 0.329",
};
const VALS = [M.L, M.ML, M.MR, M.R, M.L].join(";");
const meridian = (b) =>
  '<path d="' + M.L + '" opacity="0">' +
  '<animate attributeName="d" dur="7.2s" begin="' + b + '" repeatCount="indefinite" calcMode="spline" keyTimes="0;0.25;0.5;0.75;1" keySplines="0.42 0 0.58 1;0.42 0 0.58 1;0.42 0 0.58 1;0.42 0 0.58 1" values="' + VALS + '"/>' +
  '<animate attributeName="opacity" dur="7.2s" begin="' + b + '" repeatCount="indefinite" calcMode="linear" keyTimes="0;0.05;0.7;0.75;1" values="0;0.9;0.9;0;0"/>' +
  '</path>';
const globeSvg =
  '<svg viewBox="0 0 12 12" width="12" height="12" fill="none" stroke="currentColor" stroke-width="0.85" stroke-linecap="round" style="overflow:visible">' +
  '<circle cx="6" cy="6" r="5.7" opacity="0.9"/><line x1="0.3" y1="6" x2="11.7" y2="6" opacity="0.9"/>' +
  ["0s", "-1.2s", "-2.4s", "-3.6s", "-4.8s", "-6s"].map(meridian).join("") +
  '</svg>';
const searchSvg = '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z"/></svg>';
const caretSvg = '<svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="m4.5 15.75 7.5-7.5 7.5 7.5"/></svg>';
const arrowSvg = '<svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M4.5 10.5 12 3m0 0 7.5 7.5M12 3v18"/></svg>';
const dotsSvg = '<svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor"><circle cx="12" cy="12" r="9" stroke-width="1.8" stroke-dasharray="1.8 3.6" stroke-linecap="round"/></svg>';
const checkSvg = '<svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><path d="M9 12.75 11.25 15 15 9.75M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z"/></svg>';

const states = ref(SITES.map(() => "pending"));
const done = ref(false);
const open = ref(true);
let timers = [];

function run() {
  states.value = SITES.map(() => "pending");
  done.value = false;
  const last = Math.max(...SITES.map((s) => s.finish));
  SITES.forEach((site, i) => {
    timers.push(setTimeout(() => (states.value[i] = "loading"), site.discover));
    timers.push(setTimeout(() => (states.value[i] = "done"), site.finish));
  });
  timers.push(setTimeout(() => (done.value = true), last + 800));
  timers.push(setTimeout(run, last + 800 + 2800));
}

onMounted(run);
onUnmounted(() => timers.forEach(clearTimeout));
</script>

<style scoped>
.ws {
  --c-text: #0b0d12;
  --c-muted: #a1a1a1;
  --c-subtle: #a1a1a1;
  --c-border: #e6e8ec;
  --c-border-strong: #d4d7dd;
  --c-surface-2: #f4f5f7;
  --c-success: #15a06a;
  --c-success-soft: rgba(21, 160, 106, 0.16);
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font: 13px/1.4 system-ui, -apple-system, sans-serif;
  color: var(--c-text);
}
@media (prefers-color-scheme: dark) {
  .ws {
    --c-text: #f2f4f8;
    --c-muted: #9aa4b4;
    --c-subtle: #6b7484;
    --c-border: #232834;
    --c-border-strong: #2f3645;
    --c-surface-2: #161a22;
    --c-success: #34d399;
    --c-success-soft: rgba(52, 211, 153, 0.16);
  }
}
.ws-row { display: flex; align-items: center; gap: 6px; min-height: 20px; }
.ws-row > svg { flex: none; color: var(--c-muted); margin-left: -1px; }
.ws-label { display: inline-flex; align-items: center; gap: 4px; font-weight: 550; color: var(--c-text); white-space: nowrap; min-width: 0; }
.ws-quote { overflow: hidden; text-overflow: ellipsis; }
.ws-shimmer { overflow: hidden; text-overflow: ellipsis; background: linear-gradient(90deg, color-mix(in srgb, var(--c-text) 45%, transparent) 0%, var(--c-text) 44%, color-mix(in srgb, var(--c-text) 45%, transparent) 80%); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; animation: ws-shimmer 2.7s linear infinite; }
.ws-shimmer.is-done { animation: none; background: none; -webkit-text-fill-color: var(--c-text); color: var(--c-text); }
.ws-chevron { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; border: none; background: none; color: var(--c-subtle); cursor: pointer; border-radius: 4px; transition: color 0.16s var(--ease), transform 0.28s var(--ease); }
.ws-chevron:hover { color: var(--c-muted); }
.ws-chevron[aria-expanded="false"] { transform: rotate(180deg); }
.ws-collapsible { display: grid; grid-template-rows: 1fr; opacity: 1; transition: grid-template-rows 0.32s var(--ease), opacity 0.22s var(--ease); }
.ws-collapsible.is-collapsed { grid-template-rows: 0fr; opacity: 0; pointer-events: none; }
.ws-collapsible-inner { min-height: 0; overflow: hidden; }
.ws-results { position: relative; display: flex; gap: 6px; align-items: stretch; }
.ws-rail { flex: none; width: 1px; align-self: stretch; border-left: 1px solid var(--c-border); margin-left: 5.5px; }
.ws-list { flex: 1; list-style: none; margin: 0; padding: 4px 0 2px 6px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ws-site { display: flex; align-items: center; gap: 6px; font-size: 12px; line-height: 18px; color: var(--c-muted); min-width: 0; opacity: 0; transform: translateY(4px); animation: ws-enter 0.34s var(--ease) forwards; }
.ws-site[data-state="done"] { cursor: pointer; }
.ws-bullet { position: relative; width: 12px; height: 12px; flex: none; display: inline-flex; align-items: center; justify-content: center; }
.ws-dots { position: absolute; inset: 0; display: inline-flex; align-items: center; justify-content: center; color: var(--c-subtle); opacity: 1; transition: opacity 0.32s var(--ease); pointer-events: none; }
.ws-dots svg, .ws-check svg { flex: none; }
.ws-site[data-state="loading"] .ws-dots, .ws-site[data-state="done"] .ws-dots { opacity: 0; }
.ws-globe { position: absolute; inset: 0; display: inline-flex; align-items: center; justify-content: center; color: var(--c-subtle); opacity: 0; transform: scale(0.88); transition: opacity 0.32s var(--ease), transform 0.36s var(--ease); }
.ws-site[data-state="loading"] .ws-globe { opacity: 1; transform: scale(1); }
.ws-site[data-state="done"] .ws-globe { opacity: 0; transform: scale(0.775); transition: opacity 0.22s var(--ease), transform 0.26s var(--ease); }
.ws-check { display: inline-flex; align-items: center; justify-content: center; color: var(--c-success); opacity: 0; transform: scale(1.175); transition: opacity 0.24s var(--ease) 0.06s, transform 0.28s var(--ease) 0.06s; }
.ws-site[data-state="done"] .ws-check { opacity: 1; transform: scale(1); }
.ws-title { color: var(--c-text); font-weight: 450; white-space: nowrap; flex: none; }
.ws-site[data-state="pending"] .ws-title { color: var(--c-muted); }
.ws-site[data-state="loading"] .ws-title { background: linear-gradient(90deg, color-mix(in srgb, var(--c-text) 50%, transparent) 0%, var(--c-text) 44%, color-mix(in srgb, var(--c-text) 50%, transparent) 80%); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; animation: ws-shimmer 2.7s linear infinite; }
.ws-sep { color: var(--c-subtle); flex: none; }
.ws-url { color: var(--c-muted); flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color 0.16s var(--ease); }
.ws-arrow { display: inline-flex; flex: none; color: var(--c-subtle); margin-left: -2px; opacity: 0; transform: rotate(45deg) translate(0, 2px); transition: opacity 0.16s var(--ease), transform 0.22s var(--ease); }
.ws-site[data-state="done"]:hover .ws-arrow { opacity: 1; transform: rotate(45deg) translate(0, 0); }
.ws-site[data-state="done"]:hover .ws-url { color: var(--c-text); }
@keyframes ws-shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes ws-enter { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .ws-shimmer, .ws-site[data-state="loading"] .ws-title { animation: none; background: none; -webkit-text-fill-color: var(--c-text); color: var(--c-text); }
  .ws-site { animation: none; opacity: 1; transform: none; }
}
</style>

table.date.vue

<template>
  <div class="tbl">
    <div class="tbl-head">
      <div v-for="h in head" :key="h" class="tbl-cell">{{ h }}</div>
    </div>
    <div class="tbl-body">
      <div v-for="r in rows" :key="r.model" class="tbl-row">
        <div class="tbl-cell">
          <span class="model-cell">
            <span class="model-icon" :style="{ background: brandOf(r.model).bg }">
              <svg viewBox="0 0 24 24" width="9" height="9" fill="currentColor" aria-hidden="true">
                <path :d="brandOf(r.model).glyph" />
              </svg>
            </span>
            <span class="tbl-cell-text">{{ r.model }}</span>
          </span>
        </div>
        <div class="tbl-cell">{{ r.context }}</div>
        <div class="tbl-cell">{{ r.price }}</div>
      </div>
    </div>
  </div>
</template>

<script setup>
const OPENAI = "M22.2819 9.8211a5.9847 5.9847 0 0 0-.5157-4.9108 6.0462 6.0462 0 0 0-6.5098-2.9A6.0651 6.0651 0 0 0 4.9807 4.1818a5.9847 5.9847 0 0 0-3.9977 2.9 6.0462 6.0462 0 0 0 .7427 7.0966 5.98 5.98 0 0 0 .511 4.9107 6.051 6.051 0 0 0 6.5146 2.9001A5.9847 5.9847 0 0 0 13.2599 24a6.0557 6.0557 0 0 0 5.7718-4.2058 5.9894 5.9894 0 0 0 3.9977-2.9001 6.0557 6.0557 0 0 0-.7475-7.0729zm-9.022 12.6081a4.4755 4.4755 0 0 1-2.8764-1.0408l.1419-.0804 4.7783-2.7582a.7948.7948 0 0 0 .3927-.6813v-6.7369l2.02 1.1686a.071.071 0 0 1 .038.052v5.5826a4.504 4.504 0 0 1-4.4945 4.4944zm-9.6607-4.1254a4.4708 4.4708 0 0 1-.5346-3.0137l.142.0852 4.783 2.7582a.7712.7712 0 0 0 .7806 0l5.8428-3.3685v2.3324a.0804.0804 0 0 1-.0332.0615L9.74 19.9502a4.4992 4.4992 0 0 1-6.1408-1.6464zM2.3408 7.8956a4.485 4.485 0 0 1 2.3655-1.9728V11.6a.7664.7664 0 0 0 .3879.6765l5.8144 3.3543-2.0201 1.1685a.0757.0757 0 0 1-.071 0l-4.8303-2.7865A4.504 4.504 0 0 1 2.3408 7.872zm16.5963 3.8558L13.1038 8.364 15.1192 7.2a.0757.0757 0 0 1 .071 0l4.8303 2.7913a4.4944 4.4944 0 0 1-.6765 8.1042v-5.6772a.79.79 0 0 0-.407-.667zm2.0107-3.0231l-.142-.0852-4.7735-2.7818a.7759.7759 0 0 0-.7854 0L9.409 9.2297V6.8974a.0662.0662 0 0 1 .0284-.0615l4.8303-2.7866a4.4992 4.4992 0 0 1 6.6802 4.66zM8.3065 12.863l-2.02-1.1638a.0804.0804 0 0 1-.038-.0567V6.0742a4.4992 4.4992 0 0 1 7.3757-3.4537l-.142.0805L8.704 5.459a.7948.7948 0 0 0-.3927.6813zm1.0976-2.3654l2.602-1.4998 2.6069 1.4998v2.9994l-2.5974 1.4997-2.6067-1.4997Z";
const ANTHROPIC = "M17.3041 3.541h-3.6718l6.696 16.918H24Zm-10.6082 0L0 20.459h3.7442l1.3693-3.5527h7.0052l1.3693 3.5528h3.7442L10.5363 3.5409Zm-.3712 10.2232 2.2914-5.9456 2.2914 5.9456Z";
const META = "M6.915 4.03c-1.968 0-3.683 1.28-4.871 3.113C.704 9.208 0 11.883 0 14.449c0 .706.07 1.369.21 1.973a6.624 6.624 0 0 0 .265.86 5.297 5.297 0 0 0 .371.761c.696 1.159 1.818 1.927 3.593 1.927 1.497 0 2.633-.671 3.965-2.444.76-1.012 1.144-1.626 2.663-4.32l.756-1.339.186-.325c.061.1.121.196.183.3l2.152 3.595c.724 1.21 1.665 2.556 2.47 3.314 1.046.987 1.992 1.22 3.06 1.22 1.075 0 1.876-.355 2.455-.843a3.743 3.743 0 0 0 .81-.973c.542-.939.861-2.127.861-3.745 0-2.72-.681-5.357-2.084-7.45-1.282-1.912-2.957-2.93-4.716-2.93-1.047 0-2.088.467-3.053 1.308-.652.57-1.257 1.29-1.82 2.05-.69-.875-1.335-1.547-1.958-2.056-1.182-.966-2.315-1.303-3.454-1.303zm10.16 2.053c1.147 0 2.188.758 2.992 1.999 1.132 1.748 1.647 4.195 1.647 6.4 0 1.548-.368 2.9-1.839 2.9-.58 0-1.027-.23-1.664-1.004-.496-.601-1.343-1.878-2.832-4.358l-.617-1.028a44.908 44.908 0 0 0-1.255-1.98c.07-.109.141-.224.211-.327 1.12-1.667 2.118-2.602 3.358-2.602zm-10.201.553c1.265 0 2.058.791 2.675 1.446.307.327.737.871 1.234 1.579l-1.02 1.566c-.757 1.163-1.882 3.017-2.837 4.338-1.191 1.649-1.81 1.817-2.486 1.817-.524 0-1.038-.237-1.383-.794-.263-.426-.464-1.13-.464-2.046 0-2.221.63-4.535 1.66-6.088.454-.687.964-1.226 1.533-1.533a2.264 2.264 0 0 1 1.088-.285z";

const head = ["Model", "Context", "$/1M in"];
const rows = [
  { model: "gpt-4o", context: "128k", price: "$5.00" },
  { model: "claude-3.5", context: "200k", price: "$3.00" },
  { model: "llama-3.1", context: "128k", price: "$0.90" },
];
function brandOf(model) {
  if (model.startsWith("gpt")) return { bg: "#10a37f", glyph: OPENAI };
  if (model.startsWith("claude")) return { bg: "#d97757", glyph: ANTHROPIC };
  return { bg: "#0866ff", glyph: META };
}
</script>

<style scoped>
.tbl { width: 100%; display: flex; flex-direction: column; border: 1px solid #e6e8ec; border-radius: 12px; overflow: hidden; background: #fafafa; font-size: 13px; }
.tbl-head { display: flex; color: #a1a1a1; font-weight: 500; }
.tbl-head .tbl-cell { padding-top: 7px; padding-bottom: 7px; }
.tbl-body { display: flex; flex-direction: column; background: #fff; border: 1px solid #e6e8ec; border-radius: 12px 12px 0 0; margin: 0 -1px -1px; }
.tbl-row { display: flex; }
.tbl-row:not(:last-child) { border-bottom: 1px solid #e6e8ec; }
.tbl-cell { flex: 1 1 0; min-width: 0; padding: 9px 12px; display: flex; align-items: center; color: #1a1a1a; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tbl-cell:not(:last-child) { border-right: 1px solid #e6e8ec; }
/* text-overflow:ellipsis has no effect on a flex container's raw text, so the
   label lives in this shrinkable child instead. */
.tbl-cell-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.model-cell { display: flex; min-width: 0; align-items: center; gap: 6px; }
.model-icon { width: 14px; height: 14px; flex: none; border-radius: 2px; display: inline-flex; align-items: center; justify-content: center; color: #fff; box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.18); }
@media (prefers-color-scheme: dark) {
  .tbl { background: #242424; border-color: transparent; box-shadow: 0 0 0 0.5px rgba(255,255,255,0.12); }
  .tbl-body { background: #1a1a1a; border-color: #303030; }
  .tbl-row:not(:last-child) { border-bottom-color: #303030; }
  .tbl-cell { color: #f5f5f5; }
  .tbl-cell:not(:last-child) { border-right-color: #303030; }
}
</style>

task.vue

<template>
  <div class="todo">
    <button
      type="button"
      class="todo-head"
      :aria-expanded="!collapsed"
      aria-label="Toggle to-dos"
      @click="collapsed = !collapsed"
    >
      <span class="todo-head-icon">
        <svg v-if="allDone" class="todo-head-check" viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
          <path fill-rule="evenodd" clip-rule="evenodd" d="M2.25 12c0-5.385 4.365-9.75 9.75-9.75s9.75 4.365 9.75 9.75-4.365 9.75-9.75 9.75S2.25 17.385 2.25 12Zm13.36-1.814a.75.75 0 1 0-1.22-.872l-3.236 4.53L9.53 12.22a.75.75 0 0 0-1.06 1.06l2.25 2.25a.75.75 0 0 0 1.14-.094l3.75-5.25Z" fill="currentColor" />
        </svg>
        <span v-else-if="running" class="todo-head-pie" :style="{ '--todo-pie': pct + '%' }" aria-hidden="true">
          <svg class="todo-head-pie-ring" viewBox="0 0 24 24">
            <circle cx="12" cy="12" r="10.5" fill="none" stroke="currentColor" stroke-width="2.2" stroke-dasharray="2.2 4.4" stroke-linecap="round" />
          </svg>
        </span>
        <svg v-else class="todo-list-icon" viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
          <path d="M8.25 6.75h12M8.25 12h12m-12 5.25h12M3.75 6.75h.007v.008H3.75V6.75Zm.375 0a.375.375 0 1 1-.75 0 .375.375 0 0 1 .75 0ZM3.75 12h.007v.008H3.75V12Zm.375 0a.375.375 0 1 1-.75 0 .375.375 0 0 1 .75 0Zm-.375 5.25h.007v.008H3.75v-.008Zm.375 0a.375.375 0 1 1-.75 0 .375.375 0 0 1 .75 0Z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" />
        </svg>
        <svg class="todo-chevron" viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
          <path d="m19.5 8.25-7.5 7.5-7.5-7.5" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
        </svg>
      </span>
      <span class="todo-title">To-dos</span>
      <span class="todo-count">
        <span class="roll-count" :aria-label="done + '/' + n">
          <span class="roll-digit">
            <span v-if="roll" class="roll-inner" :class="{ on: rollUp }">
              <span>{{ roll.from }}</span>
              <span>{{ roll.to }}</span>
            </span>
            <template v-else>{{ done }}</template>
          </span>
          <span class="roll-static">/{{ n }}</span>
        </span>
      </span>
    </button>

    <div class="todo-collapsible" :class="{ 'is-collapsed': collapsed }">
      <div class="todo-inner">
        <ul class="todo-list">
          <li v-for="(label, i) in LABELS" :key="i" :class="['todo-item', itemClass(i)]" :style="{ '--i': i }">
            <span class="todo-icon-wrap">
              <svg class="todo-icon" :class="{ on: !isDone(i) && !isActive(i) }" viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
                <circle cx="12" cy="12" r="9" fill="none" stroke="currentColor" stroke-width="1.8" stroke-dasharray="1.8 3.6" stroke-linecap="round" />
              </svg>
              <svg class="todo-icon strong" :class="{ on: isActive(i) }" viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
                <path d="m12.75 15 3-3m0 0-3-3m3 3h-7.5M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" />
              </svg>
              <svg class="todo-icon" :class="{ on: isDone(i) }" viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
                <path d="M9 12.75 11.25 15 15 9.75M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" />
              </svg>
            </span>
            <span class="todo-label" :data-label="label">{{ label }}</span>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script setup>
import { computed, onMounted, onUnmounted, ref, watch } from "vue";

const LABELS = [
  "Scaffold the project structure",
  "Build the component registry",
  "Implement entitlement gating",
  "Wire up Stripe checkout",
  "Polish the landing page",
];
const START_DELAY = 700;
const STEP_MS = 2250; // how long each task stays "working"

const collapsed = ref(false);
const current = ref(-1); // -1 = not started, 0..n-1 = working, n = all done
const n = LABELS.length;

const started = computed(() => current.value >= 0);
const allDone = computed(() => current.value >= n);
const running = computed(() => started.value && !allDone.value);
const pct = computed(() => Math.round((Math.min(Math.max(current.value, 0), n) / n) * 100));
const done = computed(() => Math.min(Math.max(current.value, 0), n));

// roll the numerator up whenever the completed count changes
const roll = ref(null);
const rollUp = ref(false);
let rollTimer;
watch(done, (val, old) => {
  roll.value = { from: String(old), to: String(val) };
  rollUp.value = false;
  requestAnimationFrame(() => requestAnimationFrame(() => (rollUp.value = true)));
  clearTimeout(rollTimer);
  rollTimer = setTimeout(() => (roll.value = null), 380);
});
const isDone = (i) => started.value && i < current.value;
const isActive = (i) => started.value && i === current.value && !allDone.value;
const itemClass = (i) => (isDone(i) ? "done" : isActive(i) ? "active" : "");

let timers = [];
onMounted(() => {
  if (window.matchMedia?.("(prefers-reduced-motion: reduce)").matches) {
    current.value = n;
    return;
  }
  timers.push(setTimeout(() => (current.value = 0), START_DELAY));
  for (let i = 0; i < n; i++) {
    timers.push(setTimeout(() => (current.value = i + 1), START_DELAY + (i + 1) * STEP_MS));
  }
});
onUnmounted(() => timers.forEach(clearTimeout));
</script>

<style scoped>
.todo { font-size: 13px; color: #1a1a1a; background: #fff; border-radius: 8px; padding: 6px 12px 12px; box-shadow: 0 0 0 1px #e6e8ec; }
.todo-head {
  display: flex; width: 100%; align-items: center; gap: 8px;
  padding: 0; border: 0; background: transparent; cursor: pointer;
  color: #1a1a1a; font-size: 13px; min-height: 22px;
}
.todo-head-icon { position: relative; width: 16px; height: 16px; flex: none; color: #a1a1a1; }
.todo-list-icon, .todo-chevron, .todo-head-check { position: absolute; inset: 0; margin: auto; transition: opacity 140ms ease; }
.todo-list-icon, .todo-chevron { width: 13px; height: 13px; }
/* the solid check reads smaller than an outlined glyph, so render it full-size */
.todo-head-check { width: 16px; height: 16px; color: #15a06a; }
.todo-chevron { opacity: 0; transition: opacity 140ms ease, transform 220ms ease; }
.todo-head[aria-expanded="false"] .todo-chevron { transform: rotate(-90deg); }
.todo-head:hover .todo-list-icon, .todo-head:hover .todo-head-pie, .todo-head:hover .todo-head-check { opacity: 0; }
.todo-head:hover .todo-chevron { opacity: 1; }
.todo-title { font-weight: 500; }
.todo-count { margin-left: auto; color: #a1a1a1; font-variant-numeric: tabular-nums; }
.roll-count { display: inline-flex; align-items: baseline; }
.roll-digit { display: inline-block; overflow: hidden; height: 1em; line-height: 1em; }
.roll-inner { display: flex; flex-direction: column; transition: transform 350ms cubic-bezier(0.4, 0, 0.2, 1); }
.roll-inner span { height: 1em; line-height: 1em; }
.roll-inner.on { transform: translateY(-1em); }
.roll-static { display: inline-block; height: 1em; line-height: 1em; }
.todo-collapsible {
  display: grid; grid-template-rows: 1fr; opacity: 1;
  transition: grid-template-rows 280ms ease, opacity 200ms ease;
}
.todo-collapsible.is-collapsed { grid-template-rows: 0fr; opacity: 0; pointer-events: none; }
.todo-inner { min-height: 0; overflow: hidden; }
.todo-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 10px 0 0; }
.todo-item {
  display: flex; align-items: flex-start; gap: 9px; line-height: 18px; color: #a1a1a1;
  animation: todo-item-in 360ms ease backwards;
  animation-delay: calc(var(--i, 0) * 50ms);
}
@keyframes todo-item-in {
  from { opacity: 0; transform: translateY(-7px); }
  to { opacity: 1; transform: translateY(0); }
}
.todo-icon-wrap { position: relative; width: 16px; height: 16px; flex: none; margin-top: 1px; }
.todo-icon {
  position: absolute; inset: 0; width: 16px; height: 16px; color: #a1a1a1;
  opacity: 0; transition: opacity 320ms ease;
}
.todo-icon.on { opacity: 1; }
.todo-icon.strong { color: #1a1a1a; }
.todo-label {
  position: relative; font-weight: 400; color: #a1a1a1;
  transition: color 360ms ease;
}
.todo-label::before {
  content: attr(data-label);
  position: absolute; inset: 0;
  background: linear-gradient(90deg, #1a1a1a 0%, #1a1a1a 30%, rgba(26, 26, 26, 0.45) 45%, rgba(26, 26, 26, 0.45) 55%, #1a1a1a 70%, #1a1a1a 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  opacity: 0; transition: opacity 360ms ease; pointer-events: none;
}
.todo-item.active .todo-label { color: transparent; }
.todo-item.active .todo-label::before {
  opacity: 1;
  animation: todo-shine 2.25s cubic-bezier(0.25, 0.1, 0.25, 1) infinite;
}
.todo-item.done .todo-label { color: #a1a1a1; text-decoration: line-through; }
@keyframes todo-shine {
  0%, 18% { background-position: 100% 0; }
  82%, 100% { background-position: 0% 0; }
}
@property --todo-pie {
  syntax: "<percentage>";
  inherits: true;
  initial-value: 0%;
}
.todo-head-pie {
  position: absolute; inset: 0; margin: auto; width: 13px; height: 13px; border-radius: 50%;
  color: #1a1a1a;
  transition: opacity 140ms ease, --todo-pie 400ms ease;
}
/* dotted outline matching the pending item circles */
.todo-head-pie-ring { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; color: #a1a1a1; }
.todo-head-pie::after {
  content: ""; position: absolute; inset: 2.6px; border-radius: 50%;
  background: conic-gradient(currentColor var(--todo-pie, 0%), transparent 0);
}
@media (prefers-reduced-motion: reduce) {
  .todo-item { animation: none; }
  .todo-icon, .todo-label, .todo-label::before { transition: none; }
  .todo-item.active .todo-label::before { animation: none; }
}
@media (prefers-color-scheme: dark) {
  .todo { color: #f5f5f5; background: #1a1a1a; box-shadow: 0 0 0 1px #303030; }
  .todo-head { color: #f5f5f5; }
  .todo-head-check { color: #34d399; }
  .todo-head-icon { color: #737373; }
  .todo-count { color: #737373; }
  .todo-head-pie-ring { color: #737373; }
  .todo-item { color: #737373; }
  .todo-icon { color: #737373; }
  .todo-label { color: #737373; }
  .todo-head-pie { color: #f5f5f5; }
  .todo-icon.strong { color: #f5f5f5; }
  .todo-label::before { background: linear-gradient(90deg, #f5f5f5 0%, #f5f5f5 30%, rgba(245, 245, 245, 0.45) 45%, rgba(245, 245, 245, 0.45) 55%, #f5f5f5 70%, #f5f5f5 100%); background-size: 300% 100%; -webkit-background-clip: text; background-clip: text; }
}
</style>

text.s.vue

<template>
  <p class="prose">{{ shown }}<span :class="shown.length < (text?.length ?? 0) ? 'caret caret-steady' : 'caret'" /></p>
</template>

<script setup>
import { ref, onMounted } from "vue";
const props = defineProps({ text: String });
const shown = ref("");
onMounted(() => {
  let i = 0;
  const id = setInterval(() => {
    i += 2;
    shown.value = props.text.slice(0, i);
    if (i >= props.text.length) clearInterval(id);
  }, 9);
});
</script>

<style scoped>
.prose { font-size: 14px; line-height: 19px; color: #1a1a1a; }
.caret { display: inline-block; width: 8px; height: 1.05em; margin-left: 2px; background: #0b0d12; vertical-align: text-bottom; animation: caret-blink 1s step-end infinite; }
/* solid while streaming, blink only once idle (matches the live component) */
.caret-steady { animation: none; opacity: 1; }
@keyframes caret-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .caret { animation: none; } }
@media (prefers-color-scheme: dark) {
  .prose { color: #f5f5f5; }
  .caret { background: #f5f5f5; }
}
</style>

text.vue

<template>
  <div class="prose"><slot /></div>
</template>

<style scoped>
.prose { font-size: 14px; line-height: 19px; color: #1a1a1a; }
.prose :deep(p) { margin-bottom: 10px; }
.prose :deep(p):last-child { margin-bottom: 0; }
.prose :deep(code) { font-family: ui-monospace, monospace; font-size: 12.5px; color: inherit; background: #f4f5f7; padding: 3px 5px 1px; border-radius: 5px; }
@media (prefers-color-scheme: dark) {
  .prose { color: #f5f5f5; }
  .prose :deep(code) { background: #171717; }
}
</style>

thinking-reason.vue

<template>
  <div class="tr">
    <button
      type="button"
      class="tr-header"
      :class="{ 'is-clickable': done }"
      :aria-expanded="expanded"
      aria-label="Toggle thought"
      @click="done && toggle()"
    >
      <span v-if="done" class="tr-label">
        <span class="tr-verb">Thought</span> for {{ ELAPSED_S }}s
      </span>
      <span v-else class="tr-label tr-shimmer">Thinking…</span>
      <svg v-if="done" class="tr-chevron" viewBox="0 0 24 24" width="12" height="12" aria-hidden="true">
        <path d="m4.5 15.75 7.5-7.5 7.5 7.5" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
      </svg>
    </button>

    <div class="tr-collapsible" :class="{ 'is-collapsed': !expanded }">
      <div class="tr-inner">
        <div
          ref="viewportRef"
          class="tr-viewport"
          :class="{ 'is-scroll': scrollable }"
          :style="{ height: `${viewH}px`, maskImage: mask, WebkitMaskImage: mask }"
          @scroll="onScroll"
        >
          <div class="tr-stream" :style="{ transform: `translateY(${translate}px)` }">
            <p v-for="(line, i) in SENTENCES.slice(0, count)" :key="i" class="tr-sentence">{{ line }}</p>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, reactive, computed, onMounted, onUnmounted } from "vue";

const SENTENCES = [
  "Reading the request and the current selection, then locating the jwt.verify call inside the auth middleware.",
  "The verify call sets no algorithms allowlist, so a token signed with 'none' or a weak cipher could be accepted.",
  "Tracing where the signing secret is loaded from and confirming it is never logged or sent back to the client.",
  "Planning to pin the algorithm to HS256 and to validate the issuer and audience claims on every incoming request.",
  "Scanning the existing tests around the middleware so the fix stays covered and nothing downstream regresses.",
  "Drafting the patch with a focused regression test that rejects tampered, expired, and unsigned tokens.",
];

// Per-sentence reveal cadence (ms). Sums to ~5s of "thinking".
const DELAYS = [700, 900, 800, 850, 800, 900];
const THINK_MS = DELAYS.reduce((a, b) => a + b, 0);
const ELAPSED_S = Math.max(1, Math.round(THINK_MS / 1000));
const COLLAPSE_BEAT = 360;

// Geometry — keep in sync with the CSS below.
const SENT_H = 40; // 2 lines × 20px
const GAP = 4;
const MAX_H = 180; // viewport grows with content up to this, then scrolls
const FADE = 16; // top/bottom fade once the viewport is capped

const phase = ref("thinking");
const revealed = ref(0);
const open = ref(false);
const fade = reactive({ top: false, bottom: true });
const viewportRef = ref(null);

const done = computed(() => phase.value === "done");
const expanded = computed(() => (done.value ? open.value : true));
const count = computed(() => (done.value ? SENTENCES.length : revealed.value));
const contentH = computed(() => (count.value > 0 ? count.value * SENT_H + (count.value - 1) * GAP : 0));
const capped = computed(() => contentH.value > MAX_H);
const viewH = computed(() => (capped.value ? MAX_H : contentH.value));
const scrollable = computed(() => done.value && open.value);
const translate = computed(() => (scrollable.value ? 0 : capped.value ? MAX_H - FADE - contentH.value : 0));
const showTop = computed(() => (scrollable.value ? fade.top : capped.value));
const showBottom = computed(() => (scrollable.value ? fade.bottom : capped.value));
const mask = computed(() =>
  capped.value
    ? `linear-gradient(to bottom, transparent 0, #000 ${showTop.value ? FADE : 0}px, #000 calc(100% - ${showBottom.value ? FADE : 0}px), transparent 100%)`
    : "none"
);

function onScroll() {
  const el = viewportRef.value;
  if (!el) return;
  fade.top = el.scrollTop > 1;
  fade.bottom = el.scrollTop + el.clientHeight < el.scrollHeight - 1;
}

function toggle() {
  const next = !open.value;
  if (next) {
    fade.top = false;
    fade.bottom = true;
    if (viewportRef.value) viewportRef.value.scrollTop = 0;
  }
  open.value = next;
}

let timers = [];

onMounted(() => {
  if (window.matchMedia?.("(prefers-reduced-motion: reduce)").matches) {
    revealed.value = SENTENCES.length;
    phase.value = "done";
    return;
  }
  const at = (ms, fn) => timers.push(setTimeout(fn, ms));
  let t = 0;
  DELAYS.forEach((d, i) => {
    t += d;
    at(t, () => (revealed.value = i + 1));
  });
  at(THINK_MS + COLLAPSE_BEAT, () => (phase.value = "done"));
});

onUnmounted(() => timers.forEach(clearTimeout));
</script>

<style scoped>
.tr {
  display: flex;
  flex-direction: column;
  width: 360px;
  max-width: 100%;
  /* anchor the header: header (20) + viewport margin (6) + max viewport (180) */
  min-height: 206px;
  font-family: "Inter", system-ui, sans-serif;
  /* soft fade-in on (re)mount */
  animation: tr-block-in 320ms cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes tr-block-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.tr-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  min-height: 20px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: default;
}
.tr-header.is-clickable { cursor: pointer; }
.tr-label {
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  /* softer than "Thought" so "for Ns" matches the dark-mode hierarchy */
  color: color-mix(in srgb, #a1a1a1 68%, transparent);
  letter-spacing: -0.005em;
}
.tr-verb { color: #a1a1a1; }
.tr-chevron {
  color: #a1a1a1;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
  /* base path is an up caret; collapsed summary points down */
  transform: rotate(180deg);
}
.tr-header[aria-expanded="true"] .tr-chevron { transform: rotate(0deg); }
.tr-header.is-clickable:hover .tr-chevron { color: #a1a1a1; }
.tr-collapsible {
  display: grid;
  grid-template-rows: 1fr;
  opacity: 1;
  transition: grid-template-rows 320ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 220ms ease;
}
.tr-collapsible.is-collapsed {
  grid-template-rows: 0fr;
  opacity: 0;
  pointer-events: none;
}
.tr-inner { min-height: 0; overflow: hidden; }
/* viewport: grows with the content, then caps at MAX_H. While thinking
   the stream auto-scrolls behind a soft fade; once unfolded by the user
   it becomes natively scrollable and the fades follow the scroll position. */
.tr-viewport {
  margin-top: 6px;
  overflow: hidden;
  transition: height 360ms cubic-bezier(0.22, 1, 0.36, 1);
}
.tr-viewport.is-scroll {
  overflow-y: auto;
  scrollbar-width: none;
}
.tr-viewport.is-scroll::-webkit-scrollbar { display: none; }
.tr-stream {
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 560ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.tr-sentence {
  margin: 0;
  height: 40px;
  line-height: 20px;
  font-size: 13px;
  font-weight: 425;
  color: #a1a1a1;
  letter-spacing: -0.005em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  animation: tr-sentence-in 420ms cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes tr-sentence-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* label-shine: a soft brightness valley sweeps through the text */
.tr-shimmer {
  color: transparent;
  -webkit-text-fill-color: transparent;
  background: linear-gradient(
    90deg,
    #a1a1a1 0%, #a1a1a1 30%,
    rgba(161, 161, 161, 0.45) 45%, rgba(161, 161, 161, 0.45) 55%,
    #a1a1a1 70%, #a1a1a1 100%
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: tr-shine 2.25s cubic-bezier(0.25, 0.1, 0.25, 1) infinite;
}
@keyframes tr-shine {
  0%, 18% { background-position: 100% 0; }
  82%, 100% { background-position: 0% 0; }
}
@media (prefers-color-scheme: dark) {
  .tr-label { color: #737373; }
  .tr-verb { color: #a3a3a3; }
  .tr-chevron { color: #737373; }
  .tr-sentence { color: #737373; }
  .tr-header.is-clickable:hover .tr-chevron { color: #a3a3a3; }
}
</style>

thinking.vue

<template>
  <span class="shimmer">Thinking</span>
</template>

<style scoped>
.shimmer {
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  color: transparent;
  -webkit-text-fill-color: transparent;
  background: linear-gradient(
    90deg,
    #a1a1a1 0%, #a1a1a1 30%,
    rgba(161, 161, 161, 0.45) 45%, rgba(161, 161, 161, 0.45) 55%,
    #a1a1a1 70%, #a1a1a1 100%
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: label-shine 2.25s cubic-bezier(0.25, 0.1, 0.25, 1) infinite;
}
@keyframes label-shine {
  0%, 18% { background-position: 100% 0; }
  82%, 100% { background-position: 0% 0; }
}
@media (prefers-color-scheme: dark) {
  .shimmer { background: linear-gradient(90deg, #a1a1a1 0%, #a1a1a1 30%, rgba(161, 161, 161, 0.45) 45%, rgba(161, 161, 161, 0.45) 55%, #a1a1a1 70%, #a1a1a1 100%); background-size: 300% 100%; -webkit-background-clip: text; background-clip: text; }
}
</style>