04System-log list

<main class="stage">
  <div class="loglist is-demo">
    <ul class="loglist__rows">
      <li class="loglist__row"><span class="loglist__ts">00:01</span><span class="loglist__text">User authentication verified</span><span class="loglist__ok">OK</span></li>
      <li class="loglist__row"><span class="loglist__ts">00:02</span><span class="loglist__text">Location data synced</span><span class="loglist__ok">OK</span></li>
      <li class="loglist__row"><span class="loglist__ts">00:03</span><span class="loglist__text">Anomaly pattern scan</span><span class="loglist__ok">OK</span></li>
      <li class="loglist__row"><span class="loglist__ts">00:04</span><span class="loglist__text">Backup server connected</span><span class="loglist__ok">OK</span></li>
    </ul>
    <p class="loglist__cursorline">READY <span class="loglist__cursor" aria-hidden="true"></span></p>
  </div>
</main>

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

$duration: $dur-loop;     // 스캔 바가 줄 4개를 순서대로 내려가는 한 주기
$easing: $ease-spring;    // 스캔 바가 밝아지는 곡선
$color: $stage-yellow;    // 호박색 터미널 강조색

@include stage($stage-paper);

.loglist {
  box-sizing: border-box;
  width: clamp(240px, 84vw, 360px);
  padding: $sp-4;
  border-radius: $r-card;
  background: $subject-ink;
  box-shadow: 0 0 0 1px rgba($color, .4), 0 0 24px rgba($color, .16);
  // 320px 폰 체크: 로그 4줄 + 커서줄이 129·130 형제 값 그대로면 200px 높이를 넘는다
  // (131-04 실측: scrollHeight 223px vs innerHeight 200px). padding·행간을 한 단계씩 좁힌다.
}

.loglist__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: $sp-1;
}

.loglist__row {
  position: relative;
  display: flex;
  align-items: center;
  gap: $sp-3;
  padding: $sp-1 $sp-3;
  border-radius: $r-xs;
  animation: rowScan $duration $easing infinite;
}
.loglist__row:nth-child(1) { animation-delay: 0s; }
.loglist__row:nth-child(2) { animation-delay: -.5s; }
.loglist__row:nth-child(3) { animation-delay: -1s; }
.loglist__row:nth-child(4) { animation-delay: -1.5s; }
@keyframes rowScan {
  0%, 100% { box-shadow: inset 0 0 0 1px rgba($color, 0), inset 0 0 0 0 rgba($color, 0); }
  5%       { box-shadow: inset 0 0 0 1px rgba($color, .5), inset 0 0 16px 0 rgba($color, .18); }
  15%      { box-shadow: inset 0 0 0 1px rgba($color, 0), inset 0 0 0 0 rgba($color, 0); }
}

.loglist__ts {
  flex: none;
  color: rgba($color, .7);
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
}
.loglist__text {
  flex: 1 1 auto;
  min-width: 0;
  color: $subject-cream;
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12px);
  line-height: 1.3;
  font-family: inherit;
}
.loglist__ok {
  flex: none;
  opacity: 0;
  color: $color;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .06em;
  animation: rowOk $duration $easing infinite;
}
.loglist__row:nth-child(1) .loglist__ok { animation-delay: 0s; }
.loglist__row:nth-child(2) .loglist__ok { animation-delay: -.5s; }
.loglist__row:nth-child(3) .loglist__ok { animation-delay: -1s; }
.loglist__row:nth-child(4) .loglist__ok { animation-delay: -1.5s; }
@keyframes rowOk {
  0%, 8%    { opacity: 0; }
  14%, 100% { opacity: 1; }
}

.loglist__cursorline {
  margin: $sp-2 0 0;
  color: rgba($color, .7);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: .04em;
}
.loglist__cursor {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: $color;
  vertical-align: -1px;
  animation: blink $dur-loop steps(1) infinite;
}
@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: .2; }
}

@media (prefers-reduced-motion: reduce) {
  .loglist__row, .loglist__ok, .loglist__cursor {
    animation: none !important;
  }
  .loglist__row { box-shadow: inset 0 0 0 1px rgba($color, 0); }
  .loglist__ok { opacity: 1; }
  .loglist__cursor { opacity: 1; }
}

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

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

.loglist {
  box-sizing: border-box;
  width: clamp(240px, 84vw, 360px);
  padding: 16px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
}

.loglist__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.loglist__row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  animation: rowScan 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.loglist__row:nth-child(1) {
  animation-delay: 0s;
}

.loglist__row:nth-child(2) {
  animation-delay: -0.5s;
}

.loglist__row:nth-child(3) {
  animation-delay: -1s;
}

.loglist__row:nth-child(4) {
  animation-delay: -1.5s;
}

@keyframes rowScan {
  0%, 100% {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0), inset 0 0 0 0 rgba(255, 210, 63, 0);
  }
  5% {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0.5), inset 0 0 16px 0 rgba(255, 210, 63, 0.18);
  }
  15% {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0), inset 0 0 0 0 rgba(255, 210, 63, 0);
  }
}
.loglist__ts {
  flex: none;
  color: rgba(255, 210, 63, 0.7);
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
}

.loglist__text {
  flex: 1 1 auto;
  min-width: 0;
  color: #fff7e6;
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12px);
  line-height: 1.3;
  font-family: inherit;
}

.loglist__ok {
  flex: none;
  opacity: 0;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.06em;
  animation: rowOk 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.loglist__row:nth-child(1) .loglist__ok {
  animation-delay: 0s;
}

.loglist__row:nth-child(2) .loglist__ok {
  animation-delay: -0.5s;
}

.loglist__row:nth-child(3) .loglist__ok {
  animation-delay: -1s;
}

.loglist__row:nth-child(4) .loglist__ok {
  animation-delay: -1.5s;
}

@keyframes rowOk {
  0%, 8% {
    opacity: 0;
  }
  14%, 100% {
    opacity: 1;
  }
}
.loglist__cursorline {
  margin: 8px 0 0;
  color: rgba(255, 210, 63, 0.7);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
}

.loglist__cursor {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: #ffd23f;
  vertical-align: -1px;
  animation: blink 2s steps(1) infinite;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0.2;
  }
}
@media (prefers-reduced-motion: reduce) {
  .loglist__row, .loglist__ok, .loglist__cursor {
    animation: none !important;
  }
  .loglist__row {
    box-shadow: inset 0 0 0 1px rgba(255, 210, 63, 0);
  }
  .loglist__ok {
    opacity: 1;
  }
  .loglist__cursor {
    opacity: 1;
  }
}

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

export type FeatureListHudRow = { ts: string; text: string };

export type FeatureListHudProps = {
  rows?: FeatureListHudRow[];
  ok?: string;
  ready?: string;
  duration?: number;
  easing?: string;
  color?: string;
};

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

const defaultRows: FeatureListHudRow[] = [
  { ts: "00:01", text: "사용자 인증 확인" },
  { ts: "00:02", text: "위치 데이터 동기화" },
  { ts: "00:03", text: "이상 패턴 스캔" },
  { ts: "00:04", text: "백업 서버 연결" },
];

export default function FeatureListHud({
  rows = defaultRows,
  ok = "OK",
  ready = "READY",
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ffd23f",
}: FeatureListHudProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.list} style={vars}>
      <ul className={styles.rows}>
        {rows.map((row) => (
          <li key={row.ts} className={styles.row}>
            <span className={styles.ts}>{row.ts}</span>
            <span className={styles.text}>{row.text}</span>
            <span className={styles.ok}>{ok}</span>
          </li>
        ))}
      </ul>
      <p className={styles.cursorline}>
        {ready} <span className={styles.cursor} aria-hidden="true" />
      </p>
    </div>
  );
}