/* ===== 기본 리셋 + 변수 ===== */
:root {
  --color-bg: #0a0a1a;
  --color-surface: #12122a;
  --color-border: #2a2a4a;
  --color-text: #e8e8f0;
  --color-text-dim: #8888aa;
  --color-saju: #ff6b35;
  --color-saju-glow: rgba(255, 107, 53, 0.3);
  --color-tarot: #7b5ea7;
  --color-tarot-glow: rgba(123, 94, 167, 0.3);
  --color-accent: #ffd700;
  --color-primary: #4a90d9;
  --color-error: #ff4757;
  --color-success: #2ed573;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --font: 'Segoe UI', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== 섹션 관리 (SPA) ===== */
.section {
  display: none;
  min-height: 100vh;
  padding: 20px;
}

.section.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 공통 버튼 ===== */
.btn-primary {
  background: linear-gradient(135deg, var(--color-saju), var(--color-tarot));
  color: #fff;
  border: none;
  padding: 16px 40px;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
  max-width: 320px;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 107, 53, 0.4);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
  max-width: 320px;
}

.btn-secondary:hover {
  background: var(--color-surface);
}

.btn-glow {
  animation: glow-pulse 2s infinite;
}

.btn-text {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-text:hover {
  border-color: var(--color-text-dim);
}

/* ===== Section 1: 인트로 ===== */
.intro-container {
  text-align: center;
  max-width: 480px;
}

.intro-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
}

.intro-side {
  text-align: center;
}

.intro-icon {
  font-size: 3rem;
  margin-bottom: 8px;
}

.intro-label {
  font-size: 1.4rem;
  font-weight: 700;
}

.intro-saju .intro-label {
  color: var(--color-saju);
}

.intro-tarot .intro-label {
  color: var(--color-tarot);
}

.intro-sub {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 4px;
}

.intro-vs-badge {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent);
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.intro-title {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--color-saju), var(--color-accent), var(--color-tarot));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-desc {
  color: var(--color-text-dim);
  line-height: 1.6;
  margin-bottom: 40px;
  font-size: 1rem;
}

/* ===== Section 2: 입력 ===== */
.input-container {
  max-width: 440px;
  width: 100%;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 28px;
  text-align: center;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.required {
  color: var(--color-saju);
  font-size: 0.8rem;
  font-weight: 400;
}

.optional {
  color: var(--color-text-dim);
  font-size: 0.8rem;
  font-weight: 400;
}

.date-inputs, .time-inputs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.form-select {
  flex: 1;
  padding: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  appearance: none;
  cursor: pointer;
}

.form-select:focus {
  border-color: var(--color-primary);
  outline: none;
}

.gender-buttons {
  display: flex;
  gap: 12px;
}

.btn-gender {
  flex: 1;
  padding: 14px;
  background: var(--color-surface);
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-gender.selected {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(74, 144, 217, 0.1);
}

.form-divider {
  text-align: center;
  position: relative;
  margin: 28px 0;
}

.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.form-divider span {
  position: relative;
  background: var(--color-bg);
  padding: 0 16px;
  color: var(--color-text-dim);
  font-size: 0.85rem;
}

.error-message {
  color: var(--color-error);
  font-size: 0.85rem;
  text-align: center;
  margin-bottom: 12px;
  min-height: 20px;
}

/* ===== Section 3: 배틀 ===== */
.battle-container {
  max-width: 900px;
  width: 100%;
}

.round-header {
  text-align: center;
  margin-bottom: 24px;
}

.round-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-saju), var(--color-tarot));
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  padding: 8px 24px;
  border-radius: 20px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.round-topic {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
}

.round-progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background 0.3s;
}

.progress-dot.active {
  background: var(--color-accent);
}

.progress-dot.done {
  background: var(--color-success);
}

/* 로딩 */
.battle-loading {
  text-align: center;
  padding: 60px 0;
}

/* 에러 UI */
.battle-error {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 0;
  text-align: center;
}

.battle-error .error-icon {
  font-size: 3rem;
}

.battle-error .error-message {
  font-size: 1rem;
  color: var(--color-error);
  margin-bottom: 0;
}

.battle-error .btn-primary {
  width: auto;
  padding: 12px 32px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

.loading-text {
  color: var(--color-text-dim);
  font-size: 0.95rem;
}

/* 로딩 캐릭터 멘트 */
.loading-character {
  margin-top: 20px;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.loading-char-name {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.loading-char-name.saju {
  color: var(--color-saju, #e8910c);
}

.loading-char-name.tarot {
  color: var(--color-tarot, #9b59b6);
}

.loading-char-msg {
  font-size: 0.95rem;
  color: var(--color-text);
  opacity: 0;
  transition: opacity 0.5s ease;
  text-align: center;
  padding: 0 20px;
  line-height: 1.5;
}

.loading-char-msg.fade-in {
  opacity: 1;
}

.loading-char-msg.fade-out {
  opacity: 0;
}

/* 배틀 패널 */
.battle-panels {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.battle-panel {
  flex: 1;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.panel-saju {
  border-top: 3px solid var(--color-saju);
}

/* 사주 명식표 */
.saju-chart {
  margin-bottom: 12px;
}

.saju-table {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 8px;
  border: 1px solid var(--color-saju);
}

.saju-row {
  display: flex;
  gap: 2px;
}

.saju-cell {
  flex: 1;
  text-align: center;
  padding: 2px;
  border-radius: 4px;
}

.saju-cell-tengod {
  font-size: 0.65rem;
  color: var(--color-text-dim);
  padding: 2px 0;
}

.saju-cell-hanja {
  padding: 6px 2px;
}

.hanja-big {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
  display: block;
}

.hanja-empty {
  opacity: 0.3;
}

.saju-cell-label {
  font-size: 0.6rem;
  color: var(--color-text-dim);
  padding: 2px 0;
}

/* 오행별 색상 */
.el-wood { background: rgba(76, 175, 80, 0.2); color: #81c784; }
.el-fire { background: rgba(244, 67, 54, 0.2); color: #ef9a9a; }
.el-earth { background: rgba(255, 193, 7, 0.2); color: #ffd54f; }
.el-metal { background: rgba(224, 224, 224, 0.2); color: #e0e0e0; }
.el-water { background: rgba(33, 150, 243, 0.2); color: #90caf9; }

/* 오행 분포 바 */
.saju-element-bar {
  display: flex;
  height: 20px;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
  gap: 1px;
}

.el-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  min-width: 20px;
}

/* 모바일 명식표 */
@media (max-width: 600px) {
  .hanja-big {
    font-size: 1.4rem;
  }
  .saju-table {
    padding: 6px;
  }
}

.panel-tarot {
  border-top: 3px solid var(--color-tarot);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-weight: 700;
  font-size: 1.1rem;
}

.panel-body {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text);
}

.panel-cards {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.tarot-card-mini {
  background: var(--color-tarot-glow);
  border: 1px solid var(--color-tarot);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.75rem;
  color: var(--color-text);
}

.tarot-card-mini.reversed {
  opacity: 0.7;
  font-style: italic;
}

.battle-vs-divider {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  padding: 0 4px;
  color: var(--color-accent);
}

/* 투표 */
.battle-vote {
  text-align: center;
}

.vote-question {
  font-size: 1.05rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.vote-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-vote {
  flex: 1;
  max-width: 180px;
  padding: 16px 24px;
  font-size: 1.1rem;
  font-weight: 700;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-vote-saju:hover {
  border-color: var(--color-saju);
  box-shadow: 0 0 20px var(--color-saju-glow);
}

.btn-vote-tarot:hover {
  border-color: var(--color-tarot);
  box-shadow: 0 0 20px var(--color-tarot-glow);
}

.btn-vote.selected {
  transform: scale(1.05);
}

.btn-vote-saju.selected {
  border-color: var(--color-saju);
  background: rgba(255, 107, 53, 0.15);
}

.btn-vote-tarot.selected {
  border-color: var(--color-tarot);
  background: rgba(123, 94, 167, 0.15);
}

/* ===== Section 4: 결과 ===== */
.result-container {
  max-width: 480px;
  width: 100%;
  text-align: center;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--color-border);
}

.result-crown {
  font-size: 3rem;
  margin-bottom: 8px;
}

.result-title {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--color-accent);
}

.result-winner {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 8px;
}

.result-score {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.result-rounds {
  margin-bottom: 24px;
}

.result-round-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.result-round-item:last-child {
  border-bottom: none;
}

/* 공유 결과 — 사용자 정보 */
.shared-info-box {
  text-align: center;
  margin-bottom: 16px;
  padding: 12px 20px;
  background: var(--color-surface);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.shared-info-birth {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
}

.shared-info-question {
  font-size: 0.9rem;
  color: var(--color-accent);
  font-style: italic;
  margin: 6px 0 0;
}

/* 공유 결과 — 라운드 확장 */
.shared-round-expanded {
  flex-direction: column;
  align-items: stretch;
  padding: 16px;
}

.shared-round-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.shared-round-header .round-label {
  font-weight: 700;
  font-size: 0.95rem;
}

.shared-round-header .round-vote {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

/* 공유 결과 — CTA */
.shared-cta {
  text-align: center;
  margin-top: 20px;
  padding: 20px;
}

.shared-cta-text {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  margin-bottom: 12px;
}

.shared-cta .btn-primary {
  width: auto;
  padding: 12px 40px;
}

/* 공유 결과 해석 박스 */
.result-round-item:has(.shared-reading) {
  flex-wrap: wrap;
  gap: 8px;
}

.shared-reading {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  background: var(--color-surface);
  border-left: 3px solid var(--color-border);
  margin-top: 4px;
}

.shared-reading-saju {
  border-left-color: var(--color-saju, #e8910c);
}

.shared-reading-tarot {
  border-left-color: var(--color-tarot, #9b59b6);
}

.shared-reading-title {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-dim);
}

.shared-reading-text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text);
  margin: 2px 0;
}

.round-winner-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.round-winner-badge.saju {
  background: var(--color-saju-glow);
  color: var(--color-saju);
}

.round-winner-badge.tarot {
  background: var(--color-tarot-glow);
  color: var(--color-tarot);
}

.result-message {
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 28px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.result-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* ===== 공유 오버레이 ===== */
.share-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.share-modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 400px;
  width: 100%;
  position: relative;
}

.share-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--color-text-dim);
  font-size: 1.5rem;
  cursor: pointer;
}

.share-modal h3 {
  text-align: center;
  margin-bottom: 20px;
}

.share-preview {
  margin-bottom: 20px;
  text-align: center;
}

.share-preview img {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

.share-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-share-option {
  padding: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.btn-share-option:hover {
  background: var(--color-border);
}

/* ===== 반응형 ===== */
@media (max-width: 600px) {
  .battle-panels {
    flex-direction: column;
  }

  .battle-vs-divider {
    justify-content: center;
    padding: 8px 0;
  }

  .intro-vs {
    gap: 12px;
  }

  .intro-icon {
    font-size: 2.4rem;
  }

  .intro-title {
    font-size: 1.8rem;
  }

  .vote-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-vote {
    max-width: 100%;
  }
}

/* ===== 동적 콘텐츠 스타일 ===== */

/* 리딩 텍스트 */
.reading-text {
  margin-bottom: 8px;
  line-height: 1.7;
  color: var(--color-text);
  font-size: 0.92rem;
}

/* 타로 카드 아이템 */
.tarot-card-item {
  background: var(--color-tarot-glow);
  border: 1px solid var(--color-tarot);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: center;
  flex: 0 0 auto;
}

.tarot-card-img {
  width: 120px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.tarot-card-img.reversed {
  transform: rotate(180deg);
}

/* 모바일: 한 줄에 2장 */
@media (max-width: 600px) {
  .tarot-card-item {
    flex: 0 0 calc(50% - 6px);
    padding: 6px 4px;
    box-sizing: border-box;
  }
  .tarot-card-img {
    width: 100%;
    max-width: 100px;
  }
}

.card-position {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}

.card-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.card-name.reversed {
  font-style: italic;
  opacity: 0.85;
}

.card-direction {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  margin-top: 2px;
}

@media (max-width: 600px) {
  .card-position { font-size: 0.6rem; }
  .card-name { font-size: 0.75rem; }
  .card-direction { font-size: 0.6rem; }
}

/* 결과: 승자 */
.winner-icon {
  font-size: 3rem;
  margin-bottom: 8px;
}

.winner-name {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-accent);
}

/* 결과: 점수 */
.score-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.score-saju { color: var(--color-saju); }
.score-tarot { color: var(--color-tarot); }
.score-vs { color: var(--color-text-dim); font-size: 1.2rem; }

.score-detail {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

/* 결과: 라운드 요약 */
.round-label {
  font-weight: 600;
  color: var(--color-text);
}

.round-vote {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

/* 결과: AI 메시지 */
.message-box {
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.message-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.message-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text);
}

/* ===== U1: 양력/음력 토글 ===== */
.calendar-toggle {
  display: flex;
  gap: 8px;
}

.btn-calendar {
  flex: 1;
  padding: 12px;
  background: var(--color-surface);
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-calendar.selected {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(74, 144, 217, 0.1);
}

.btn-calendar:hover:not(.selected) {
  border-color: var(--color-text-dim);
}

.leap-month-wrap {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.leap-month-wrap label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.leap-month-wrap input[type="checkbox"] {
  accent-color: var(--color-primary);
}

/* ===== U2: 자유 질문 입력 ===== */
.form-input {
  width: 100%;
  padding: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font);
}

.form-input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-dim);
  opacity: 0.6;
}

.form-hint {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--color-text-dim);
  opacity: 0.7;
}

/* ===== 유틸리티 ===== */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 15px rgba(255, 107, 53, 0.3); }
  50% { box-shadow: 0 0 30px rgba(255, 107, 53, 0.6), 0 0 15px rgba(123, 94, 167, 0.4); }
}