/* ===== Intro Section ===== */
.intro-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
  padding: 24px 0 60px;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  
  /* 💡 변경된 부분: max-height 지정 및 padding 애니메이션 추가 */
  max-height: 800px; /* 콘텐츠가 충분히 들어갈 높이 */
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
              padding 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
              opacity 0.4s ease;
}

.intro-section.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.intro-bg-deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.intro-bg-1 {
  width: 300px;
  height: 300px;
  background: var(--color-orange-200);
  filter: blur(80px);
  top: -100px;
  left: -100px;
}

.intro-bg-2 {
  width: 250px;
  height: 250px;
  background: var(--color-amber-200);
  filter: blur(70px);
  bottom: -60px;
  right: -80px;
}

.intro-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.intro-emojis {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.intro-emoji {
  font-size: 48px;
}

.intro-emoji.bounce-main {
  font-size: 64px;
}

.intro-emoji.bounce-1 {
  animation: bounce 2s ease-in-out infinite;
}

.intro-emoji.bounce-2 {
  animation: bounce 2s ease-in-out infinite 0.5s;
}

.intro-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

@media (max-width: 480px) {
  .intro-title {
    font-size: 24px;
  }
  .intro-emoji {
    font-size: 40px;
  }
  .intro-emoji.bounce-main {
    font-size: 52px;
  }
}

.intro-title .accent {
  color: var(--color-accent);
}

.intro-subtitle {
  font-size: 16px;
  color: var(--color-primary-60);
  font-weight: 500;
  margin-bottom: 32px;
}

.intro-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.intro-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-orange-100);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

.intro-badge .material-symbols-outlined {
  color: var(--color-accent);
  font-size: 18px;
}

.scroll-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--color-primary-40);
  font-size: 14px;
}

.bounce-arrow {
  animation: bounceArrow 1.5s ease-in-out infinite;
}

/* ===== Test Main ===== */
.test-main {
  padding: 24px 0 40px;
  box-sizing: border-box;
}

.test-container {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  padding: 0 16px;
}

/* ===== Stage Header ===== */
.stage-header {
  margin-bottom: 24px;
  animation: fadeInUp 0.4s ease;
}

.stage-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  word-break: break-word;
  overflow-wrap: break-word;
}

@media (max-width: 480px) {
  .stage-title {
    font-size: 18px;
  }
}

.stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-full);
  margin-top: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
}

.stage-badge .material-symbols-outlined {
  font-size: 14px;
}

/* ===== Questions List ===== */
.questions-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== Question Card ===== */
.question-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-border);
  box-sizing: border-box;
  overflow: hidden;
  width: 100%;
  
  /* 💡 변경: 흐릿함이 풀릴 때 더 스르륵~ 부드럽게 풀리도록 애니메이션 시간 넉넉히 부여 */
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1); 
  animation: fadeInUp 0.4s ease both;
}

/* ⭐ 이 부분을 완전히 덮어씌워 주세요 */
.question-card.disabled {
  opacity: 0.25;            /* 투명도를 확 낮춰서 시선 분산 방지 */
  pointer-events: none;     /* 클릭 원천 차단 */
  filter: blur(4px);        /* 💡 핵심: 진짜 안경 벗은 것처럼 흐릿하게 블러 처리 */
  transform: scale(0.96);   /* 살짝 뒤로 물러나(작아져) 있는 느낌 부여 */
}

.question-card.answered {
  border-color: rgba(16, 185, 129, 0.25);
}

.question-card.active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md), 0 0 0 3px var(--color-accent-glow);
}

.question-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.question-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
}

.question-card.answered .question-number {
  background: var(--color-emerald);
}

.question-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.55;
  flex: 1;
}

/* ===== MBTI 스타일 Likert Scale ===== */
.likert-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 16px;
  box-sizing: border-box;
  padding: 0;
  width: 100%;
  overflow: hidden;
}

/* 양끝 텍스트 라벨 */
.likert-side-label {
  font-size: 10px;
  font-weight: 700;
  width: auto;
  min-width: 32px;
  max-width: 48px;
  text-align: center;
  line-height: 1.2;
  word-break: keep-all;
  flex-shrink: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}
.likert-side-label.color-negative { color: var(--color-accent); }
.likert-side-label.color-positive { color: var(--color-emerald); }

.likert-scale {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 0;
  position: relative;
  box-sizing: border-box;
  gap: 0;
}

/* 가운데 아주 연한 가이드선 */
.likert-scale::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: #F3F4F6;
  z-index: 0;
  transform: translateY(-50%);
}

.likert-option {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
  box-sizing: border-box;
}

/* 💡 기본 원 스타일 (숫자 텍스트 없음) */
.likert-circle {
  border-radius: 50%;
  background: #FFFFFF;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 1. 값에 따른 원의 크기 변화 (양끝 3이 가장 크고, 중앙 0이 가장 작음) */
.likert-option {
  width: 44px;
  height: 44px;
}

.likert-option[data-value="-3"] .likert-circle,
.likert-option[data-value="3"] .likert-circle { width: 42px; height: 42px; border: 3px solid; }

.likert-option[data-value="-2"] .likert-circle,
.likert-option[data-value="2"] .likert-circle { width: 32px; height: 32px; border: 2.5px solid; }

.likert-option[data-value="-1"] .likert-circle,
.likert-option[data-value="1"] .likert-circle { width: 22px; height: 22px; border: 2px solid; }

.likert-option[data-value="0"] .likert-circle { width: 16px; height: 16px; border: 2px solid #9CA3AF; }

/* 2. 테두리 색상: 왼쪽(부정) 주황색, 오른쪽(긍정) 초록색 */
.likert-option[data-value="-3"] .likert-circle,
.likert-option[data-value="-2"] .likert-circle,
.likert-option[data-value="-1"] .likert-circle { border-color: var(--color-accent); }

.likert-option[data-value="3"] .likert-circle,
.likert-option[data-value="2"] .likert-circle,
.likert-option[data-value="1"] .likert-circle { border-color: var(--color-emerald); }

/* 3. 선택된 상태 (색상 꽉 채우기 + 그림자 효과) */
.likert-option.selected[data-value="-3"] .likert-circle,
.likert-option.selected[data-value="-2"] .likert-circle,
.likert-option.selected[data-value="-1"] .likert-circle { 
  background: var(--color-accent); 
  transform: scale(1.15); 
  box-shadow: 0 4px 10px rgba(255, 107, 53, 0.35); 
}

.likert-option.selected[data-value="3"] .likert-circle,
.likert-option.selected[data-value="2"] .likert-circle,
.likert-option.selected[data-value="1"] .likert-circle { 
  background: var(--color-emerald); 
  transform: scale(1.15); 
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.35); 
}

.likert-option.selected[data-value="0"] .likert-circle { 
  background: #9CA3AF; 
  transform: scale(1.15); 
}

/* 모바일 화면 대응 */
@media (max-width: 480px) {
  .likert-wrap { 
    gap: 2px; 
    padding: 0;
  }
  
  .likert-side-label { 
    font-size: 9px;
    min-width: 28px;
    max-width: 36px;
  }

  .likert-option {
    width: 32px;
    height: 32px;
  }
  
  .likert-option[data-value="-3"] .likert-circle, 
  .likert-option[data-value="3"] .likert-circle { 
    width: 28px; 
    height: 28px; 
    border-width: 2.5px; 
  }
  
  .likert-option[data-value="-2"] .likert-circle, 
  .likert-option[data-value="2"] .likert-circle { 
    width: 22px; 
    height: 22px; 
    border-width: 2px; 
  }
  
  .likert-option[data-value="-1"] .likert-circle, 
  .likert-option[data-value="1"] .likert-circle { 
    width: 16px; 
    height: 16px; 
    border-width: 1.5px; 
  }
  
  .likert-option[data-value="0"] .likert-circle { 
    width: 12px; 
    height: 12px; 
    border-width: 1.5px; 
  }
}

/* 매우 작은 화면 (360px 이하) */
@media (max-width: 360px) {
  .likert-wrap { 
    gap: 1px;
  }
  
  .likert-side-label { 
    font-size: 8px;
    min-width: 24px;
    max-width: 30px;
  }

  .likert-option {
    width: 28px;
    height: 28px;
  }
  
  .likert-option[data-value="-3"] .likert-circle, 
  .likert-option[data-value="3"] .likert-circle { 
    width: 24px; 
    height: 24px; 
  }
  
  .likert-option[data-value="-2"] .likert-circle, 
  .likert-option[data-value="2"] .likert-circle { 
    width: 18px; 
    height: 18px; 
  }
  
  .likert-option[data-value="-1"] .likert-circle, 
  .likert-option[data-value="1"] .likert-circle { 
    width: 14px; 
    height: 14px; 
  }
  
  .likert-option[data-value="0"] .likert-circle { 
    width: 10px; 
    height: 10px; 
  }
}

/* ===== Stage Action Buttons ===== */
.stage-action {
  padding: 32px 0 24px;
  display: flex;
  justify-content: flex-end;
}

.stage2-submit {
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.btn-next, .btn-results {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  min-height: 48px; /* 터치 영역 확보 */
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent; /* 모바일 파란색 하이라이트 제거 */
  user-select: none;
}

.btn-next {
  background: var(--color-accent);
  color: white;
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-next:not(:disabled) {
  opacity: 1;
  cursor: pointer;
  background: var(--color-emerald);
  box-shadow: var(--shadow-lg);
}

.btn-next:not(:disabled):hover {
  background: var(--color-emerald-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-next:not(:disabled):hover .material-symbols-outlined {
  transform: translateX(4px);
}

.btn-next .material-symbols-outlined {
  transition: transform var(--transition-fast);
}

.btn-results {
  width: 100%;
  max-width: 360px;
  padding: 20px 40px;
  font-size: 18px;
  background: var(--color-accent);
  color: white;
  opacity: 0.5;
  cursor: not-allowed;
  border-radius: var(--radius-xl);
}

.btn-results:not(:disabled) {
  opacity: 1;
  cursor: pointer;
  background: var(--color-emerald);
  box-shadow: var(--shadow-lg);
}

.btn-results:not(:disabled):hover {
  background: var(--color-emerald-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ===== Pet Name Input ===== */
.pet-name-input-wrap {
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.pet-name-label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.pet-name-input {
  width: 100%;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-primary-20);
  background: var(--color-white);
  color: var(--color-primary);
  text-align: center;
  transition: all var(--transition-fast);
  font-family: var(--font-main);
}

.pet-name-input::placeholder {
  color: var(--color-primary-40);
  font-weight: 500;
}

.pet-name-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}


/* Loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(249, 251, 249, 0.95);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.loading-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--color-accent-glow);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-60);
  animation: pulse 1.5s ease-in-out infinite;
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
  .test-main {
    padding: 24px 80px 40px;
  }
  .question-card {
    padding: 28px 32px;
  }
  .intro-title {
    font-size: 44px;
  }
  .intro-emoji {
    font-size: 56px;
  }
  .intro-emoji.bounce-main {
    font-size: 80px;
  }
  .likert-option {
    padding: 8px 8px;
  }
  .likert-circle {
    width: 44px;
    height: 44px;
    font-size: 15px;
  }
  .likert-scale::before {
    max-width: 450px;
  }

}

@media (max-width: 360px) {
  .question-card {
    padding: 18px 16px;
  }
  .question-text {
    font-size: 14px;
  }
  .likert-circle {
    width: 34px;
    height: 34px;
    font-size: 12px;
    border-width: 2px;
  }
}