03Card-style plan radio select

<main class="stage">
  <fieldset class="plans is-demo">
    <legend class="sr-only">Select a plan</legend>
    <label class="plan">
      <input type="radio" name="plan" class="plan__radio" checked>
      <span class="plan__icon" aria-hidden="true">🪶</span>
      <span class="plan__name">Basic</span>
      <span class="plan__price">₩0</span>
      <svg class="plan__badge" viewBox="0 0 20 20" aria-hidden="true"><circle cx="10" cy="10" r="10"/><path d="M5.5 10.5l3 3 6-6.5" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
    </label>
    <label class="plan">
      <input type="radio" name="plan" class="plan__radio">
      <span class="plan__icon" aria-hidden="true">🚀</span>
      <span class="plan__name">Pro</span>
      <span class="plan__price">₩9,900</span>
      <svg class="plan__badge" viewBox="0 0 20 20" aria-hidden="true"><circle cx="10" cy="10" r="10"/><path d="M5.5 10.5l3 3 6-6.5" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
    </label>
    <label class="plan">
      <input type="radio" name="plan" class="plan__radio">
      <span class="plan__icon" aria-hidden="true">👥</span>
      <span class="plan__name">Team</span>
      <span class="plan__price">₩29,900</span>
      <svg class="plan__badge" viewBox="0 0 20 20" aria-hidden="true"><circle cx="10" cy="10" r="10"/><path d="M5.5 10.5l3 3 6-6.5" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
    </label>
  </fieldset>
</main>

@use "../../../../site/static/demo-tokens" as *;

// ── 변수 3개 ──────────────────────────────
$duration: $dur-quick;
$easing: $ease-pop;
$color: $subject-blue;

@include stage($stage-ink);

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.plans { border: 0; margin: 0; padding: 0; display: flex; gap: $sp-2; }
.plan {
  position: relative; display: flex; flex-direction: column; align-items: center;
  gap: $sp-1; width: 72px; padding: $sp-2 $sp-1; border-radius: $r-card;
  border: 1px solid rgba($subject-cream, .18); background: rgba($subject-cream, .04);
  cursor: pointer; -webkit-tap-highlight-color: transparent;
  transition: transform $duration $easing, border-color $duration $easing, box-shadow $duration $easing;
}
.plan__radio { position: absolute; opacity: 0; width: 1px; height: 1px; }
.plan__icon { font-size: 20px; line-height: 1; }
.plan__name { font-size: 11px; font-weight: 700; color: $subject-cream; }
.plan__price { font-size: 10px; color: rgba($subject-cream, .55); }
.plan__badge {
  position: absolute; top: -8px; right: -8px; width: 20px; height: 20px;
  fill: $color; transform: scale(0); opacity: 0;
  transition: transform $duration $ease-pop, opacity $duration $easing;
}

.plan:has(.plan__radio:checked) {
  transform: translateY(-3px);
  border-color: $color;
  box-shadow: $shadow-raised;
}
.plan:has(.plan__radio:checked) .plan__badge { transform: scale(1); opacity: 1; }
.plan__radio:focus-visible ~ .plan__icon { outline: 2px solid $color; outline-offset: 4px; border-radius: $r-xs; }

@media (prefers-reduced-motion: reduce) {
  .plan, .plan__badge { transition: none; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.plans {
  border: 0;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 72px;
  padding: 8px 4px;
  border-radius: 16px;
  border: 1px solid rgba(255, 247, 230, 0.18);
  background: rgba(255, 247, 230, 0.04);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 220ms cubic-bezier(0.2, 1.4, 0.4, 1), border-color 220ms cubic-bezier(0.2, 1.4, 0.4, 1), box-shadow 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.plan__radio {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.plan__icon {
  font-size: 20px;
  line-height: 1;
}

.plan__name {
  font-size: 11px;
  font-weight: 700;
  color: #fff7e6;
}

.plan__price {
  font-size: 10px;
  color: rgba(255, 247, 230, 0.55);
}

.plan__badge {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  fill: #2f6df6;
  transform: scale(0);
  opacity: 0;
  transition: transform 220ms cubic-bezier(0.2, 1.4, 0.4, 1), opacity 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.plan:has(.plan__radio:checked) {
  transform: translateY(-3px);
  border-color: #2f6df6;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.plan:has(.plan__radio:checked) .plan__badge {
  transform: scale(1);
  opacity: 1;
}

.plan__radio:focus-visible ~ .plan__icon {
  outline: 2px solid #2f6df6;
  outline-offset: 4px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .plan, .plan__badge {
    transition: none;
  }
}

(function () {
  var box = document.querySelector('.plans');
  var radios = box.querySelectorAll('.plan__radio');
  var i = 0;
  var t = setInterval(function () { radios[i % radios.length].checked = true; i++; }, 700);
  function stop() { box.classList.remove('is-demo'); clearInterval(t); }
  box.addEventListener('pointerdown', stop);
  box.addEventListener('keydown', stop);
}());

import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./RadioCardPlanSelectGrid.module.scss";

type Plan = { id: string; icon: string; name: string; price: string };

export type RadioCardPlanSelectGridProps = {
  legend?: string;
  plans?: Plan[];
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--c"?: string };

const DEFAULT_PLANS: Plan[] = [
  { id: "basic", icon: "🪶", name: "Basic", price: "$0" },
  { id: "pro", icon: "🚀", name: "Pro", price: "$9" },
  { id: "team", icon: "👥", name: "Team", price: "$29" },
];

export default function RadioCardPlanSelectGrid({
  legend = "Select a plan",
  plans = DEFAULT_PLANS,
  duration = 220,
  easing = "cubic-bezier(.2,1.4,.4,1)",
  color = "#2f6df6",
}: RadioCardPlanSelectGridProps) {
  const [picked, setPicked] = useState(plans[0]?.id);
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--c": color };

  return (
    <fieldset className={styles.plans} style={vars}>
      <legend className={styles.srOnly}>{legend}</legend>
      {plans.map((p) => (
        <label key={p.id} className={styles.plan} data-on={picked === p.id}>
          <input type="radio" name="plan" className={styles.radio} checked={picked === p.id}
            onChange={() => setPicked(p.id)} />
          <span className={styles.icon} aria-hidden="true">{p.icon}</span>
          <span className={styles.name}>{p.name}</span>
          <span className={styles.price}>{p.price}</span>
          <svg className={styles.badge} viewBox="0 0 20 20" aria-hidden="true">
            <circle cx="10" cy="10" r="10" />
            <path d="M5.5 10.5l3 3 6-6.5" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" />
          </svg>
        </label>
      ))}
    </fieldset>
  );
}