06Delayed show on hover

<main class="stage">
  <div class="tip-wrap">
    <button class="save-btn" type="button" aria-describedby="tip06">Save</button>
    <span class="tooltip is-demo" role="tooltip" id="tip06">Changes save automatically</span>
  </div>
</main>

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

$duration: $dur-loop;                              // 숨김→표시→숨김 한 주기 (지연 포함)
$easing: $ease-out;
$color: $subject-ink;                              // 버튼 색 (노란 무대라 먹색)

@include stage($stage-yellow);

.tip-wrap { position: relative; }

.save-btn {
  border: 0;
  border-radius: $r-control;
  padding: 12px 26px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  font-family: inherit;
  color: $stage-yellow;
  background: $color;
  cursor: pointer;
}

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform-origin: bottom center; // 규칙8: 버튼 쪽 아래변 축 — 흔들림의 회전 중심
  transform: translateX(-50%) scale(.85);
  opacity: 0;
  background: $stage-ink;
  color: $stage-yellow;
  padding: 8px 14px;
  border-radius: $r-control;
  font-size: clamp(12px, 3.4vw, 14px);
  max-width: clamp(140px, 42vw, 220px);
  white-space: nowrap;                              // 한글은 글자마다 줄바꿈 후보라, 없으면 세로로 한 글자씩 쪼개진다
  text-align: center;
  pointer-events: none;
}

// 마우스를 올려도 곧바로 뜨지 않는다 — 25%(≈500ms) 까지 숨겨 두고, 뜬 뒤엔 길게 유지한다
// 지연 뒤 등장에 스프링 한 겹 — 스케일 .85 → 1.12 오버슛 → 감쇠 반동, 회전은 아래변 축으로 2.4° → -1.4° → .5° 감쇠
@keyframes delay-loop {
  0%, 20%  { opacity: 0; transform: translateX(-50%) scale(.85) rotate(0deg); }
  28%      { opacity: 1; transform: translateX(-50%) scale(1.12) rotate(2.4deg); }
  37%      { opacity: 1; transform: translateX(-50%) scale(.95) rotate(-1.4deg); }
  45%      { opacity: 1; transform: translateX(-50%) scale(1.02) rotate(.5deg); }
  51%, 80% { opacity: 1; transform: translateX(-50%) scale(1) rotate(0deg); }
  100%     { opacity: 0; transform: translateX(-50%) scale(.85) rotate(0deg); }
}

.tooltip.is-demo {
  animation: delay-loop $duration $easing infinite;
}

@media (prefers-reduced-motion: reduce) {
  .tooltip.is-demo { animation: none; opacity: 1; transform: translateX(-50%) scale(1) rotate(0deg); }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.tip-wrap {
  position: relative;
}

.save-btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 26px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  font-family: inherit;
  color: #ffd23f;
  background: #17141a;
  cursor: pointer;
}

.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform-origin: bottom center;
  transform: translateX(-50%) scale(0.85);
  opacity: 0;
  background: #17141a;
  color: #ffd23f;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: clamp(12px, 3.4vw, 14px);
  max-width: clamp(140px, 42vw, 220px);
  white-space: nowrap;
  text-align: center;
  pointer-events: none;
}

@keyframes delay-loop {
  0%, 20% {
    opacity: 0;
    transform: translateX(-50%) scale(0.85) rotate(0deg);
  }
  28% {
    opacity: 1;
    transform: translateX(-50%) scale(1.12) rotate(2.4deg);
  }
  37% {
    opacity: 1;
    transform: translateX(-50%) scale(0.95) rotate(-1.4deg);
  }
  45% {
    opacity: 1;
    transform: translateX(-50%) scale(1.02) rotate(0.5deg);
  }
  51%, 80% {
    opacity: 1;
    transform: translateX(-50%) scale(1) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) scale(0.85) rotate(0deg);
  }
}
.tooltip.is-demo {
  animation: delay-loop 2s ease-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .tooltip.is-demo {
    animation: none;
    opacity: 1;
    transform: translateX(-50%) scale(1) rotate(0deg);
  }
}

import { useRef, useState } from "react";
import type { CSSProperties, ReactNode } from "react";
import styles from "./DelayTooltip.module.scss";

export type DelayTooltipProps = {
  label: ReactNode;
  text: string;
  /** 호버 후 뜨기까지 기다리는 시간 (기본 400ms) */
  delay?: number;
  duration?: number;
  easing?: string;
  color?: string;
};

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

export default function DelayTooltip({
  label,
  text,
  delay = 400,
  duration = 160,
  easing = "ease-out",
  color = "#17141a",
}: DelayTooltipProps) {
  const [open, setOpen] = useState(false);
  const timer = useRef<ReturnType<typeof setTimeout> | null>(null);
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  const start = () => {
    timer.current = setTimeout(() => setOpen(true), delay);
  };
  const cancel = () => {
    if (timer.current) clearTimeout(timer.current);
    setOpen(false);
  };

  return (
    <span className={styles.wrap} style={vars}>
      <button
        type="button"
        className={styles.btn}
        aria-describedby="delay-tooltip"
        onMouseEnter={start}
        onMouseLeave={cancel}
        onFocus={start}
        onBlur={cancel}
      >
        {label}
      </button>
      <span id="delay-tooltip" role="tooltip" className={styles.tooltip} data-open={open}>
        {text}
      </span>
    </span>
  );
}