08Newsletter signup embed widget

<main class="stage is-demo">
  <form class="ncard" novalidate>
    <span class="ncard__icon" aria-hidden="true">
      <svg class="ic-mail" viewBox="0 0 256 256" width="22" height="22"><g fill="currentColor"><path d="m224 56l-96 88l-96-88Z" opacity=".2"/><path d="M224 48H32a8 8 0 0 0-8 8v136a16 16 0 0 0 16 16h176a16 16 0 0 0 16-16V56a8 8 0 0 0-8-8m-20.57 16L128 133.15L52.57 64ZM216 192H40V74.19l82.59 75.71a8 8 0 0 0 10.82 0L216 74.19z"/></g></svg>
      <svg class="ic-sent" viewBox="0 0 256 256" width="22" height="22" hidden><g fill="currentColor"><path d="m223.69 42.18l-58.22 192a8 8 0 0 1-14.92 1.25L108 148l-87.42-42.55a8 8 0 0 1 1.25-14.92l192-58.22a8 8 0 0 1 9.86 9.87" opacity=".2"/><path d="M227.32 28.68a16 16 0 0 0-15.66-4.08h-.15L19.57 82.84a16 16 0 0 0-2.49 29.8L102 154l41.3 84.87a15.86 15.86 0 0 0 14.44 9.13q.69 0 1.38-.06a15.88 15.88 0 0 0 14-11.51l58.2-191.94v-.15a16 16 0 0 0-4-15.66"/></g></svg>
    </span>
    <p class="ncard__title">Get an email every time a new demo drops</p>
    <div class="ncard__row">
      <label class="ncard__label" for="ncard-email-234-08">Email</label>
      <input class="ncard__input" id="ncard-email-234-08" type="email" placeholder="[email protected]" required>
      <button class="ncard__btn" type="submit">Subscribe</button>
    </div>
    <p class="ncard__msg" role="status"></p>
  </form>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;   // 2s — 편지 아이콘이 떠올랐다 가라앉는 한 주기
$easing: $ease-spring;
$color: $subject-lilac;

@include stage($stage-orange);

.ncard {
  width: 272px;
  box-sizing: border-box;
  padding: $sp-4;
  border-radius: $r-card;
  text-align: center;
  background: linear-gradient(160deg, #fff, $subject-cream 120%);
  box-shadow: $shadow-raised;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.ncard__icon {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  margin: 0 auto $sp-2;
  border-radius: 50%;
  background: rgba($color, .16);
  color: $color;
}

.ncard__title { margin: 0 0 $sp-3; font-size: 13px; font-weight: 700; color: #3a2f1f; }

.ncard__row { display: flex; flex-wrap: wrap; gap: $sp-2; justify-content: center; }
.ncard__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

.ncard__input {
  flex: 1 1 140px;
  min-width: 0;
  border: 1px solid #e7ddc8;
  border-radius: $r-pill;
  padding: $sp-2 $sp-3;
  font-size: 12px;
  font-family: inherit;
}
.ncard__input:focus { outline: 2px solid $color; outline-offset: 2px; }
.ncard__input:disabled { background: #f4efe4; color: #9c8f74; }

.ncard__btn {
  flex: 0 0 auto;
  border: 0;
  border-radius: $r-pill;
  background: $color;
  color: $subject-ink;   // 파스텔 면 위 흰 글자는 2.20:1 — 잉크로 8.28:1
  padding: $sp-2 $sp-4;
  font-size: 12px; font-weight: 700;
  cursor: pointer;
}
.ncard__btn:hover { filter: brightness(1.06); }
.ncard__btn:disabled { cursor: default; filter: none; opacity: .8; }

.ncard__msg { min-height: 16px; margin: $sp-2 0 0; font-size: 11px; }
.ncard__msg.is-error { color: $error; }
.ncard__msg.is-ok { color: #50a26e; }

// 자동 재생 루프 — 편지가 살짝 떠올랐다 가라앉는다
.stage.is-demo .ncard__icon { animation: ncard-float $duration $easing infinite; }

@keyframes ncard-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .ncard__icon { animation: none; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.ncard {
  width: 272px;
  box-sizing: border-box;
  padding: 16px;
  border-radius: 16px;
  text-align: center;
  background: linear-gradient(160deg, #fff, #fff7e6 120%);
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.ncard__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: rgba(185, 160, 255, 0.16);
  color: #b9a0ff;
}

.ncard__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: #3a2f1f;
}

.ncard__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.ncard__label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.ncard__input {
  flex: 1 1 140px;
  min-width: 0;
  border: 1px solid #e7ddc8;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  font-family: inherit;
}

.ncard__input:focus {
  outline: 2px solid #b9a0ff;
  outline-offset: 2px;
}

.ncard__input:disabled {
  background: #f4efe4;
  color: #9c8f74;
}

.ncard__btn {
  flex: 0 0 auto;
  border: 0;
  border-radius: 999px;
  background: #b9a0ff;
  color: #17141a;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.ncard__btn:hover {
  filter: brightness(1.06);
}

.ncard__btn:disabled {
  cursor: default;
  filter: none;
  opacity: 0.8;
}

.ncard__msg {
  min-height: 16px;
  margin: 8px 0 0;
  font-size: 11px;
}

.ncard__msg.is-error {
  color: #c2361a;
}

.ncard__msg.is-ok {
  color: #50a26e;
}

.stage.is-demo .ncard__icon {
  animation: ncard-float 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes ncard-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .ncard__icon {
    animation: none;
  }
}

// 실제 동작: Email 형식을 검사해 통과하면 Done 상태로 바뀐다 (실제 전송은 없는 데모).
var form = document.querySelector('.ncard');
var input = document.querySelector('.ncard__input');
var btn = document.querySelector('.ncard__btn');
var msg = document.querySelector('.ncard__msg');
var mail = document.querySelector('.ic-mail');
var sent = document.querySelector('.ic-sent');
form.addEventListener('submit', function (e) {
  e.preventDefault();
  var ok = /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(input.value);
  if (!ok) { msg.textContent = 'Check the email format'; msg.className = 'ncard__msg is-error'; return; }
  input.disabled = true;
  btn.disabled = true;
  btn.textContent = 'Done';
  mail.hidden = true;
  sent.hidden = false;
  msg.textContent = 'Subscribed — a confirmation email is on its way';
  msg.className = 'ncard__msg is-ok';
});

import { useState } from "react";
import type { ChangeEvent, CSSProperties } from "react";
import styles from "./NewsletterSignup.module.scss";

export type NewsletterSignupProps = {
  duration?: number;
  easing?: string;
  color?: string;
};

export default function NewsletterSignup({ duration = 2000, easing = "cubic-bezier(.2,.8,.2,1)", color = "#b9a0ff" }: NewsletterSignupProps) {
  const vars: CSSProperties = { "--duration": `${duration}ms`, "--easing": easing, "--color": color } as CSSProperties;
  const [email, setEmail] = useState("");
  const [status, setStatus] = useState<"idle" | "error" | "ok">("idle");

  function onSubmit(e: { preventDefault: () => void }) {
    e.preventDefault();
    const ok = /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email);
    setStatus(ok ? "ok" : "error");
  }

  return (
    <form className={styles.card} style={vars} onSubmit={onSubmit} noValidate>
      <span className={styles.icon} aria-hidden="true">
        {status === "ok" ? (
          <svg viewBox="0 0 256 256" width="22" height="22"><g fill="currentColor">
            <path opacity=".2" d="m223.69 42.18l-58.22 192a8 8 0 0 1-14.92 1.25L108 148l-87.42-42.55a8 8 0 0 1 1.25-14.92l192-58.22a8 8 0 0 1 9.86 9.87" />
            <path d="M227.32 28.68a16 16 0 0 0-15.66-4.08h-.15L19.57 82.84a16 16 0 0 0-2.49 29.8L102 154l41.3 84.87a15.86 15.86 0 0 0 14.44 9.13q.69 0 1.38-.06a15.88 15.88 0 0 0 14-11.51l58.2-191.94v-.15a16 16 0 0 0-4-15.66" />
          </g></svg>
        ) : (
          <svg viewBox="0 0 256 256" width="22" height="22"><g fill="currentColor">
            <path opacity=".2" d="m224 56l-96 88l-96-88Z" />
            <path d="M224 48H32a8 8 0 0 0-8 8v136a16 16 0 0 0 16 16h176a16 16 0 0 0 16-16V56a8 8 0 0 0-8-8m-20.57 16L128 133.15L52.57 64ZM216 192H40V74.19l82.59 75.71a8 8 0 0 0 10.82 0L216 74.19z" />
          </g></svg>
        )}
      </span>
      <p className={styles.title}>새 데모가 나올 때마다 메일로</p>
      <div className={styles.row}>
        <label className={styles.srOnly} htmlFor="ncard-email-react">이메일</label>
        <input
          className={styles.input} id="ncard-email-react" type="email" placeholder="[email protected]"
          value={email} disabled={status === "ok"} onChange={(e: ChangeEvent<HTMLInputElement>) => setEmail(e.target.value)} required
        />
        <button className={styles.btn} type="submit" disabled={status === "ok"}>{status === "ok" ? "완료" : "구독"}</button>
      </div>
      <p className={`${styles.msg} ${status === "error" ? styles.msgError : status === "ok" ? styles.msgOk : ""}`} role="status">
        {status === "error" ? "이메일 형식을 확인해 주세요" : status === "ok" ? "구독 완료 — 확인 메일을 보냈어요" : ""}
      </p>
    </form>
  );
}