/* ============================================================
   塔羅占卜 — 深紫金主題樣式
   ============================================================ */

/* ── 色彩系統 ── */
:root {
  --color-bg:           #0a0814;
  --color-surface:      #150f28;
  --color-surface-alt:  #1e1538;
  --color-border:       #2d2150;
  --color-text:         #e8e0f0;
  --color-text-muted:   #8b7aaa;
  --color-accent:       #c9a44a;
  --color-accent-hover: #a8873a;
  --color-accent-glow:  rgba(201, 164, 74, 0.35);
  --color-reversed:     #8b4daa;
  --color-success:      #4ecdc4;
  --color-warning:      #f0a030;
  --color-error:        #e94560;

  --color-ad-bg:        #150f28;
  --color-ad-border:    #2d2150;

  --font-serif:  'Noto Serif TC', 'Georgia', serif;
  --font-sans:   'Noto Sans TC', 'Inter', system-ui, sans-serif;
  --font-display: 'Cinzel Decorative', 'Cinzel', serif;
  --font-card:   'Cinzel', serif;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 20px; --space-6: 24px;
  --space-8: 32px; --space-10: 40px;

  --radius-sm: 4px; --radius: 8px; --radius-lg: 12px; --radius-xl: 16px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 30px var(--color-accent-glow);
}

/* ── 基底 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

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

/* ── 粒子背景 ── */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── 語系切換器 ── */
.lang-switcher {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 50;
  font-family: var(--font-sans);
}
.lang-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
}
.lang-trigger:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
}
.lang-icon {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
}
.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: none;
  flex-direction: column;
  min-width: 130px;
  overflow: hidden;
}
.lang-dropdown.show {
  display: flex;
  animation: fadeIn 0.2s ease;
}
.lang-option {
  background: none;
  border: none;
  color: var(--color-text);
  padding: 10px 16px;
  text-align: left;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s ease, color 0.2s ease;
  font-family: var(--font-sans);
}
.lang-option:hover {
  background: var(--color-surface-alt);
  color: var(--color-accent);
}
.lang-option.active {
  color: var(--color-accent);
  font-weight: 600;
  background: rgba(201, 164, 74, 0.05);
}

/* ── 畫面切換 ── */
.screen {
  display: none;
  position: relative;
  z-index: 1;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fadeIn 0.5s ease-out;
}
.screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 通用元件 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.3s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-gold {
  background: linear-gradient(135deg, #c9a44a, #d4af37, #a8873a);
  color: #0a0814;
  box-shadow: 0 4px 16px rgba(201, 164, 74, 0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #d4af37, #e0c060, #c9a44a);
  box-shadow: 0 6px 24px rgba(201, 164, 74, 0.5);
}

.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

.input {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow);
}
.input::placeholder { color: var(--color-text-muted); }
/* 隱藏 number 輸入框的上下箭頭 */
.input[type="number"]::-webkit-inner-spin-button,
.input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none; margin: 0;
}
.input[type="number"] { -moz-appearance: textfield; }

.input-group { margin-bottom: var(--space-5); }
.input-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  letter-spacing: 1px;
}

.error-text {
  color: var(--color-error);
  font-size: 0.8rem;
  min-height: 1.2em;
  margin-bottom: var(--space-3);
}

.screen-hint {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  text-align: center;
  letter-spacing: 2px;
}

/* ── 光暈脈動 ── */
.glow-pulse {
  animation: glowPulse 2.5s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(201, 164, 74, 0.3); }
  50%      { box-shadow: 0 4px 32px rgba(201, 164, 74, 0.6), 0 0 60px rgba(201, 164, 74, 0.2); }
}

/* ════════════════════════════════════════
   封面頁
   ════════════════════════════════════════ */
.cover-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.cover-card-stack {
  position: relative;
  width: 120px;
  height: 180px;
  margin-bottom: var(--space-4);
}
.cover-card {
  position: absolute;
  width: 100px;
  height: 150px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1e1538, #2d2150);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-glow);
}
.cover-card.c1 { top: 0; left: 10px; transform: rotate(-8deg); }
.cover-card.c2 { top: 5px; left: 15px; transform: rotate(-2deg); z-index: 1; }
.cover-card.c3 { top: 10px; left: 20px; transform: rotate(5deg); z-index: 2; }

/* 牌面裝飾紋路 */
.cover-card::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(201, 164, 74, 0.3);
  border-radius: var(--radius);
}

.cover-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  background: linear-gradient(135deg, #e0c060, #c9a44a, #d4af37);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 6px;
}

.cover-subtitle {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text-muted);
  letter-spacing: 3px;
}

/* ════════════════════════════════════════
   個人資訊頁
   ════════════════════════════════════════ */
.info-container {
  width: 100%;
  max-width: 420px;
}

.mystic-frame {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow), 0 0 40px rgba(45, 33, 80, 0.5);
  position: relative;
}
.mystic-frame::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(201,164,74,0.2), transparent, rgba(139,77,170,0.2));
  z-index: -1;
  padding: 1px;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.info-hint {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.8;
  margin-bottom: var(--space-6);
  letter-spacing: 1px;
}

/* ════════════════════════════════════════
   主題選擇頁
   ════════════════════════════════════════ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 480px;
  width: 100%;
}

.topic-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}
.topic-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.topic-card svg {
  width: 32px; height: 32px;
  color: var(--color-accent);
}
.topic-card .topic-label {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text);
}
.topic-card .topic-desc {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* ════════════════════════════════════════
   牌陣選擇頁
   ════════════════════════════════════════ */
.spread-grid {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
  max-width: 560px;
}

.spread-card {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}
.spread-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.spread-card .spread-label {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.spread-card .spread-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.spread-card .spread-count {
  display: inline-block;
  margin-top: var(--space-4);
  padding: 4px 16px;
  background: rgba(201, 164, 74, 0.15);
  border: 1px solid rgba(201, 164, 74, 0.3);
  border-radius: 20px;
  font-family: var(--font-card);
  font-size: 0.8rem;
  color: var(--color-accent);
}

/* ════════════════════════════════════════
   洗牌動畫
   ════════════════════════════════════════ */
.shuffle-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.shuffle-cards {
  position: relative;
  width: 240px;
  height: 300px;
}

.shuffle-card {
  position: absolute;
  width: 80px;
  height: 120px;
  background: linear-gradient(135deg, #1e1538, #2d2150);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.shuffle-card::after {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(201, 164, 74, 0.25);
  border-radius: 4px;
}

.shuffle-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  text-align: center;
  letter-spacing: 2px;
  animation: textPulse 2s ease-in-out infinite;
  min-height: 2em;
}
@keyframes textPulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}

/* ════════════════════════════════════════
   抽牌頁
   ════════════════════════════════════════ */
.draw-field {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 600px;
  padding: var(--space-4);
}

.draw-card {
  width: 70px;
  height: 105px;
  background: linear-gradient(135deg, #1e1538, #2d2150);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}
.draw-card::after {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(201, 164, 74, 0.15);
  border-radius: 4px;
  transition: border-color 0.3s;
}
.draw-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}
.draw-card:hover::after {
  border-color: rgba(201, 164, 74, 0.4);
}
.draw-card.selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-glow), 0 0 40px rgba(201, 164, 74, 0.15);
  transform: translateY(-12px) scale(1.05);
  pointer-events: none;
}

/* 三抽即時預覽區 */
.draw-preview {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  min-height: 140px;
}
.draw-preview-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: 0;
  transition: opacity 0.6s ease;
}
.draw-preview-slot.revealed {
  opacity: 1;
}
.draw-preview-slot .preview-label {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 2px;
}
.draw-preview-slot .tarot-card-container {
  width: 80px;
  height: 120px;
}
/* 霧化：抽牌中模糊 */
.draw-preview-slot .tarot-card-container {
  filter: blur(6px) brightness(0.7);
  transition: filter 0.8s ease;
}
.draw-preview-slot.cleared .tarot-card-container {
  filter: blur(0) brightness(1);
}

/* ════════════════════════════════════════
   結果頁
   ════════════════════════════════════════ */
.result-content {
  width: 100%;
  max-width: 600px;
  text-align: center;
}

.result-header {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  letter-spacing: 2px;
}

/* 單牌結果——放大 + 光暈 + 居中 */
.result-card-single {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto var(--space-6);
}
.result-card-single .tarot-card-container {
  width: 200px;
  height: 300px;
}
.result-card-single .card-face {
  border-width: 3px;
  box-shadow: 0 0 40px var(--color-accent-glow), 0 0 80px rgba(201,164,74,0.12);
}
.result-card-single .card-front {
  padding: 8px;
  background: linear-gradient(135deg, #0a0814, #150f28);
}

/* 三牌陣結果 */
.result-three-cards {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.result-card-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.result-position-label {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 2px;
}

/* 3D 翻牌 */
.tarot-card-container {
  perspective: 800px;
  width: 160px;
  height: 240px;
}
.tarot-card {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}
.tarot-card.flipped {
  transform: rotateY(180deg);
}
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-glow);
}
.card-back {
  background: linear-gradient(135deg, #1e1538, #2d2150);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-back::after {
  content: '';
  width: 80%;
  height: 80%;
  border: 1px solid rgba(201, 164, 74, 0.3);
  border-radius: var(--radius);
}
.card-front {
  transform: rotateY(180deg);
  background: var(--color-bg);
  padding: 6px;
}
.card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: calc(var(--radius-lg) - 4px);
}

/* 逆位旋轉 */
.tarot-card-container.reversed .card-front img {
  transform: rotate(180deg);
}

/* 牌名區 */
.result-card-info {
  text-align: center;
  margin-top: var(--space-4);
}
.result-card-number {
  font-family: var(--font-card);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 3px;
}
.result-card-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-text);
  margin: var(--space-2) 0;
}
.result-card-name-en {
  font-family: var(--font-card);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 2px;
}
.result-orientation {
  display: inline-block;
  margin-top: var(--space-2);
  padding: 2px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
}
.result-orientation.upright {
  background: rgba(201, 164, 74, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(201, 164, 74, 0.3);
}
.result-orientation.reversed-label {
  background: rgba(139, 77, 170, 0.15);
  color: var(--color-reversed);
  border: 1px solid rgba(139, 77, 170, 0.3);
}

/* 關鍵字 badge */
.keyword-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-4) 0;
}
.keyword-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  background: rgba(201, 164, 74, 0.1);
  border: 1px solid rgba(201, 164, 74, 0.2);
  color: var(--color-accent);
}

/* 解讀文字 */
.result-reading {
  text-align: left;
  margin: var(--space-6) 0;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.result-reading-text {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
}

/* 三牌陣位置標題 */
.reading-position-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

/* 綜合解讀 */
.result-synthesis {
  margin-top: var(--space-6);
  padding: var(--space-6);
  background: linear-gradient(135deg, rgba(201,164,74,0.05), rgba(139,77,170,0.05));
  border: 1px solid rgba(201, 164, 74, 0.2);
  border-radius: var(--radius-lg);
}
.synthesis-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: var(--space-4);
  letter-spacing: 3px;
}
.synthesis-text {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

/* 分享按鈕 */
.share-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: var(--space-6) 0 var(--space-4);
  max-width: 600px;
  width: 100%;
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  transition: all 0.2s ease;
  min-width: 72px;
}
.share-btn svg { width: 24px; height: 24px; }
.share-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }
.share-btn--line:hover  { border-color: #06C755; color: #06C755; }
.share-btn--fb:hover    { border-color: #1877F2; color: #1877F2; }
.share-btn--threads:hover { border-color: #e8e0f0; color: #e8e0f0; background: rgba(255,255,255,0.08); }
.share-btn--copy:hover  { border-color: var(--color-accent); color: var(--color-accent); }

/* 操作按鈕 */
.result-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

/* ════════════════════════════════════════
   V2 浮動廣告橫幅
   ════════════════════════════════════════ */
.quiz-ad-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.quiz-ad-banner.visible {
  transform: translateY(0);
}
.quiz-ad-close {
  position: absolute;
  top: 4px;
  right: 8px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
}

/* ════════════════════════════════════════
   廣告板位基底
   ════════════════════════════════════════ */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  background: var(--color-ad-bg);
  border: 1px dashed var(--color-ad-border);
  border-radius: var(--radius);
  position: relative;
}
.ad-slot.ad-loaded {
  border-style: solid;
  background: transparent;
  min-height: auto;
}
.ad-slot::before {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  opacity: 0.4;
}
.ad-slot.ad-loaded::before { display: none; }
.ad-slot--result { margin-top: var(--space-4); max-width: 600px; width: 100%; }

/* ════════════════════════════════════════
   RWD
   ════════════════════════════════════════ */
@media (max-width: 768px) {
  .cover-title { font-size: 2rem; letter-spacing: 4px; }

  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .spread-grid { flex-direction: column; align-items: center; }
  .spread-card { max-width: 100%; }

  .draw-card { width: 55px; height: 82px; }

  .tarot-card-container { width: 130px; height: 195px; }

  .result-three-cards { gap: var(--space-3); }

  .result-reading { padding: var(--space-4); }

  .screen { padding: var(--space-4); }
}

@media (max-width: 430px) {
  .cover-title { font-size: 1.6rem; }
  .tarot-card-container { width: 110px; height: 165px; }
  .draw-card { width: 48px; height: 72px; }
}