:root {
  --bg-top: #f7f8ff;
  --bg-bottom: #dfe7ff;
  --panel: rgba(255, 255, 255, 0.92);
  --primary: #2480f0;
  --primary-dark: #0b58be;
  --danger: #ff6d5e;
  --text: #141414;
  --subtle: #667085;
  --chat-left: #646464;
  --chat-right: #2b86f3;
  --line: rgba(20, 20, 20, 0.08);
  --shadow: 0 22px 55px rgba(74, 91, 135, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    "Pretendard",
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    "Malgun Gothic",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.9), transparent 30%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  display: grid;
  place-items: center;
  padding: 20px;
}

.app-shell {
  width: min(100%, 760px);
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 32px 28px 28px;
}

.panel.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

.mission-tag,
.quiz-count,
.score-label {
  margin: 0;
  font-family:
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.mission-tag {
  display: inline-block;
  background: #eaf2ff;
  color: var(--primary-dark);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 1rem;
}

h1,
h2 {
  font-family:
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  font-weight: 800;
  line-height: 1.2;
  margin: 18px 0 12px;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.3rem);
}

h2 {
  font-size: clamp(1.7rem, 3.8vw, 2.5rem);
}

.intro-copy,
.score-value {
  font-size: 1.15rem;
  line-height: 1.7;
}

.name-form {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.name-form label {
  font-family:
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
}

.name-form input {
  border: 2px solid #c7d6f8;
  border-radius: 18px;
  padding: 18px 18px;
  font-size: 1.2rem;
  font-family: inherit;
}

.name-form button,
.next-button,
.restart-button {
  border: 0;
  cursor: pointer;
  font-family:
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  font-weight: 800;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

.name-form button,
.next-button,
.restart-button {
  margin-top: 10px;
  background: linear-gradient(135deg, #2b86f3, #165fc8);
  color: #fff;
  border-radius: 20px;
  padding: 18px 20px;
  font-size: 1.2rem;
  box-shadow: 0 14px 28px rgba(36, 128, 240, 0.25);
}

.name-form button:hover,
.next-button:hover,
.restart-button:hover,
.interaction-target:hover {
  transform: translateY(-1px);
}

.quiz-header {
  text-align: center;
  margin-bottom: 18px;
}

/* 인트로 패널을 문제 화면과 유사한 카드 레이아웃으로 맞춤 */
.intro-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.intro-panel h1 {
  margin-top: 6px;
  margin-bottom: 6px;
}

.intro-panel .name-form {
  width: min(100%, 560px);
  background: linear-gradient(180deg, #f5f8ff, #edf3ff);
  border: 1px solid #d9e5ff;
  border-radius: 24px;
  padding: 18px;
  box-shadow: 0 10px 20px rgba(44, 90, 160, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.intro-panel .name-form label {
  align-self: center;
  text-align: center;
  width: 100%;
  font-size: 1.05rem;
}

.intro-panel .name-form input {
  width: 100%;
  text-align: center;
  /* 플레이스홀더와 커서 위치 정렬: 좌우 패딩을 제거하고 가운데 정렬 유지 */
  padding-left: 0;
  padding-right: 0;
  padding-top: 18px;
  padding-bottom: 18px;
  caret-color: var(--text);
}

.intro-panel .name-form input::placeholder {
  text-align: center;
  color: #99a0b8;
}

/* 일관된 커서와 플레이스홀더 정렬을 위한 고정 높이 및 라인 높이 */
.intro-panel .name-form input {
  box-sizing: border-box;
  height: 56px;
  line-height: 56px;
  font-size: 1.15rem;
}

/* 벤더별 플레이스홀더 정렬 호환성 */
.intro-panel .name-form input::-webkit-input-placeholder { text-align: center; }
.intro-panel .name-form input:-moz-placeholder { text-align: center; }
.intro-panel .name-form input::-moz-placeholder { text-align: center; }
.intro-panel .name-form input:-ms-input-placeholder { text-align: center; }
.intro-panel .name-form input::placeholder { text-align: center; }

@media (max-width: 640px) {
  .intro-panel .name-form input {
    height: 48px;
    line-height: 48px;
    font-size: 1rem;
  }
}

.intro-panel .name-form button {
  width: 100%;
}

.quiz-prompt {
  margin-top: 8px;
  font-size: 1.6rem;
  line-height: 1.4;
}

.phone-frame {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: #fff;
  display: flex;
  flex-direction: column;
  /* 외곽 프레임을 고정하고 내부(.chat-area)만 스크롤되도록 고정 높이 지정 */
  height: 68vh;
  max-height: 760px;
  min-height: 420px;
}

.phone-topbar {
  background: #e9ebf0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
}

.dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 15px;
  height: 15px;
  border-radius: 50%;
}

.red {
  background: #ff705e;
}

.yellow {
  background: #ffbd3e;
}

.green {
  background: #67c654;
}

.phone-number {
  flex: 1;
  text-align: center;
  margin: 0;
  font-family:
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
}

.chat-area {
  /* phone-frame 내부에서만 스크롤되도록 설정 */
  flex: 1 1 auto;
  padding: 18px 16px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.message-block {
  margin-bottom: 14px;
}

.message-block.system {
  display: flex;
  justify-content: center;
}

.bubble {
  max-width: 78%;
  border-radius: 30px;
  padding: 18px 20px;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  white-space: pre-line;
  box-shadow: 0 10px 18px rgba(30, 30, 30, 0.08);
}

.incoming .bubble {
  background: var(--chat-left);
  border-top-left-radius: 12px;
}

.outgoing {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.outgoing .bubble {
  background: var(--chat-right);
  border-top-right-radius: 12px;
}

.fake-link {
  border: 0;
  padding: 0;
  background: transparent;
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}

.fake-link.clicked,
.fake-link:disabled {
  cursor: default;
  opacity: 0.7;
}

.system .bubble {
  max-width: 92%;
  background: #fff1f6;
  color: #b03b73;
  border: 1px solid #ffc4de;
  border-radius: 20px;
  font-size: 1rem;
  text-align: center;
  box-shadow: 0 10px 20px rgba(225, 110, 162, 0.14);
}

.time {
  margin-top: 4px;
  color: #b6b6b6;
  font-size: 0.95rem;
  padding: 0 4px;
}

.interaction-box {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.link-choice-box {
  width: min(100%, 88%);
  margin-top: 8px;
  padding-left: 10px;
}

.link-choice-arrow {
  color: #7d8fb2;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.link-choice-list {
  display: grid;
  gap: 10px;
}

.link-choice-button {
  width: 100%;
  border: 2px solid #d8e3fb;
  background: #ffffff;
  border-radius: 18px;
  padding: 14px 16px;
  text-align: left;
  color: #2b456f;
  font: inherit;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.45;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(44, 90, 160, 0.08);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.link-choice-button:hover {
  transform: translateY(-1px);
}

.link-choice-button.safe {
  border-color: #bcd5ff;
}

.link-choice-button.risky {
  border-color: #ffd4cb;
}

.link-choice-button:disabled {
  cursor: default;
  transform: none;
  opacity: 0.72;
}

.interaction-card {
  width: min(100%, 84%);
  background: linear-gradient(180deg, #f5f8ff, #edf3ff);
  border: 1px solid #d9e5ff;
  border-radius: 24px;
  padding: 16px 16px 14px;
  box-shadow: 0 10px 20px rgba(44, 90, 160, 0.08);
}

.interaction-title {
  margin: 0 0 8px;
  font-weight: 800;
  font-size: 1.1rem;
  color: #183b72;
}

.interaction-copy {
  margin: 0 0 10px;
  color: #4b628d;
  line-height: 1.55;
  font-size: 1.02rem;
}

.interaction-targets {
  display: grid;
  gap: 10px;
}

.interaction-target {
  width: 100%;
  border: 2px solid #c8dafd;
  background: #ffffff;
  border-radius: 22px;
  padding: 18px 18px;
  text-align: left;
  font: inherit;
  font-weight: 700;
  color: #294265;
  cursor: pointer;
  transition:
    transform 0.22s ease,
    background 0.22s ease,
    border-color 0.22s ease,
    opacity 0.22s ease,
    box-shadow 0.22s ease;
  box-shadow: 0 8px 18px rgba(44, 90, 160, 0.08);
  min-height: 88px;
  font-size: 1.1rem;
  line-height: 1.5;
}

.interaction-target.correct {
  background: linear-gradient(180deg, #eefaf0, #e4f6e7);
  border-color: #7ed392;
  color: #236a37;
  box-shadow: 0 10px 22px rgba(80, 163, 105, 0.16);
}

.interaction-target.wrong {
  background: linear-gradient(180deg, #fff5f1, #ffede7);
  border-color: #ffb0a1;
  color: #a3483e;
  box-shadow: 0 10px 22px rgba(214, 106, 83, 0.14);
}

.interaction-target:disabled {
  cursor: default;
  transform: none;
  opacity: 0.7;
}

.interaction-status {
  min-height: 54px;
  margin-top: 10px;
  padding: 14px 16px;
  font-weight: 700;
  color: #214d91;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #d9e5ff;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 0.24s ease,
    transform 0.24s ease;
}

.interaction-status.visible {
  opacity: 1;
  transform: translateY(0);
}

.credential-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d9e5ff;
}

.credential-form label {
  font-size: 0.95rem;
  font-weight: 800;
  color: #32507f;
}

.credential-form input {
  width: 100%;
  border: 2px solid #c8dafd;
  border-radius: 14px;
  padding: 14px 12px;
  font: inherit;
  font-size: 1rem;
}

.credential-form input.prefilled {
  background: #f7f9ff;
  color: #5a6d8f;
}

.credential-form button {
  border: 0;
  border-radius: 16px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #2b86f3, #165fc8);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.next-button,
.restart-button {
  width: 100%;
  margin-top: 18px;
}

.score-card {
  margin: 16px 0 22px;
  background: linear-gradient(135deg, #eef5ff, #dceaff);
  border-radius: 22px;
  padding: 18px;
  text-align: center;
}

/* 결과 패널: 미션 태그, 제목, 요약을 중앙 정렬 */
#resultPanel {
  text-align: center;
}

#resultPanel .mission-tag {
  display: inline-block;
  margin: 0 auto 8px;
}

#resultPanel h2 {
  margin-top: 8px;
  margin-bottom: 12px;
  text-align: center;
}

#resultPanel .result-summary {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  max-width: 640px;
}

.score-value {
  margin: 8px 0 0;
  font-family:
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  font-weight: 800;
  font-size: 2rem;
  color: var(--primary-dark);
}

.result-summary,
.lesson-heading {
  font-weight: 700;
}

.result-summary {
  margin: 0 0 14px;
  line-height: 1.6;
  color: #35517f;
  font-size: 1.05rem;
}

.lesson-heading {
  margin: 0 0 8px;
  color: #183b72;
}

.safety-list {
  margin: 0 0 18px;
  padding-left: 24px;
  line-height: 1.9;
  font-size: 1.12rem;
  font-weight: 700;
}

/* 결과 패널(마지막 페이지) 교훈 영역 가독성 향상 */
.final-lessons {
  max-width: 760px;
  margin: 12px auto 8px;
  padding: 18px 20px;
  text-align: left;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.4));
  border-radius: 18px;
}

.final-lessons .lesson-heading {
  display: block;
  font-size: 1.45rem;
  font-weight: 900;
  color: #183b72;
  margin: 6px 0 10px;
}

/* 제목을 중앙 정렬하여 상단 태그/제목/요약이 가운데에 오도록 조정 */
.final-lessons .lesson-heading {
  text-align: center;
}

.final-lessons .lesson-copy {
  display: block;
  font-size: 1.06rem;
  line-height: 1.9;
  color: #15263f;
  font-weight: 800;
  margin: 10px 0;
  padding: 6px 8px;
}

/* 모바일에서 글자 크기/간격 조정 */
@media (max-width: 640px) {
  .final-lessons { padding: 14px 12px; }
  .final-lessons .lesson-heading { font-size: 1.2rem; }
  .final-lessons .lesson-copy { font-size: 1rem; line-height: 1.7; }
}

/* final-pledges 번호 및 강조 스타일 */
.final-pledges {
  list-style: none;
  padding-left: 0;
  margin: 8px 0 0;
}

.final-pledges li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin: 10px 0;
}

.pledge-number {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--primary-dark);
  width: 36px;
  text-align: right;
  margin-right: 6px;
}

.pledge-content strong {
  display: block;
  font-size: 1.08rem;
  font-weight: 900;
  margin-bottom: 6px;
}

.pledge-content {
  flex: 1 1 auto;
}

.pledge-content p {
  margin: 0;
  font-size: 1.02rem;
  color: #15263f;
  font-weight: 700;
  line-height: 1.6;
}

/* 문제별 즉시 표시되는 결과 박스 — lesson(인터랙션 카드) 스타일에 맞춤 */
.result-box {
  width: min(100%, 84%);
  margin: 12px auto;
  padding: 16px 16px 14px;
  border-radius: 24px;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 10px 20px rgba(44, 90, 160, 0.08);
}

.result-box.correct {
  /* 연두색(정답) — 기존 interaction-target.correct 톤과 유사 */
  background: linear-gradient(180deg, #eefaf0, #e4f6e7);
  border: 1px solid #7ed392;
  color: #236a37;
}

.result-box.wrong {
  /* 핑크 톤(오답) — 기존 interaction-target.wrong과 유사한 톤 */
  background: linear-gradient(180deg, #fff5f1, #ffede7);
  border: 1px solid #ffb0a1;
  color: #a3483e;
}

@media (max-width: 820px) {
  .app-shell {
    width: min(100%, 680px);
  }
}

@media (max-width: 640px) {
  body {
    padding: 12px;
  }

  .panel {
    padding: 22px 16px 18px;
    border-radius: 24px;
  }

  .chat-area {
    min-height: 410px;
    padding: 16px 12px 12px;
  }

  .bubble {
    max-width: 86%;
    padding: 15px 16px;
    font-size: 1rem;
  }

  .interaction-target {
    min-height: 72px;
    font-size: 1rem;
    padding: 14px 15px;
  }

  .interaction-card {
    width: 100%;
    padding: 14px;
  }

  .link-choice-box {
    width: 100%;
    padding-left: 0;
  }

  .name-form input,
  .name-form button,
  .next-button,
  .restart-button {
    font-size: 1.05rem;
  }
}

@media (max-width: 560px) {
  body {
    padding: 12px;
  }

  .panel {
    padding: 20px 14px 18px;
    border-radius: 24px;
  }

  .phone-number {
    font-size: 1.2rem;
  }

  .chat-area {
    min-height: 390px;
    padding: 14px 10px 12px;
  }

  .bubble {
    max-width: 85%;
    font-size: 0.95rem;
  }
}