/* 按钮组 */
.btn-group { 
  display: flex; 
  flex-direction: column; 
  gap: 20px; 
  width: 100%; 
  max-width: 300px; 
  margin: 0 auto;
}

/* 主按钮 - 修复：inline-flex 确保垂直居中 + 统一高度 */
.btn-mystic {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* min-height: 90px; */
  background: linear-gradient(135deg, rgba(26,26,62,0.9), rgba(107,91,149,0.3));
  border: 1px solid var(--gold); color: var(--gold-light);
  padding: 18px 40px; font-size: 1.1rem;
  font-family: 'Noto Serif SC', serif; cursor: pointer;
  border-radius: 8px; position: relative; overflow: hidden;
  transition: all 0.3s ease; text-align: center; letter-spacing: 2px;
  box-shadow: 0 0 15px rgba(212,175,55,0.1);
}
.btn-mystic:hover, .btn-mystic:active {
  background: linear-gradient(135deg, rgba(212,175,55,0.15), rgba(107,91,149,0.2));
  box-shadow: 0 0 25px rgba(212,175,55,0.3);
  transform: translateY(-2px);
}
/* 修复：清除默认 margin-top，统一高度 */
.btn-small { 
  display: inline-flex;        /* 新增 */
  align-items: center;          /* 新增 */
  justify-content: center;      /* 新增 */
  padding: 12px 30px; 
  font-size: 0.95rem; 
  margin-top: 0; 
  min-height: 48px; 
}

/* 新增：组合选择器，优先级高于单独的 .btn-mystic */
.btn-mystic.btn-small {
  padding: 12px 30px;
  font-size: 0.95rem;
  min-height: 48px;
  letter-spacing: 1px;
}

/* AI大按钮 */
.btn-ai-big {
  display: block;
  width: 100%; max-width: 400px;
  background: linear-gradient(135deg, rgba(107,91,149,0.4), rgba(192,160,255,0.2));
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 24px 40px;
  font-size: 1.2rem;
  font-family: 'Noto Serif SC', serif;
  cursor: pointer;
  border-radius: 12px;
  text-align: center;
  letter-spacing: 3px;
  margin: 30px auto 15px;
  box-shadow: 0 0 20px rgba(192,160,255,0.15);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-ai-big::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(192,160,255,0.2), transparent);
  transition: left 0.5s;
}
.btn-ai-big:hover::before { left: 100%; }
.btn-ai-big:hover, .btn-ai-big:active {
  background: linear-gradient(135deg, rgba(107,91,149,0.6), rgba(192,160,255,0.3));
  box-shadow: 0 0 30px rgba(192,160,255,0.4);
  transform: translateY(-2px);
  border-color: var(--gold-light);
  color: var(--gold-light);
}
.btn-ai-big .btn-sub {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* 返回按钮 - 修复：统一尺寸与 btn-small 完全一致 */
.btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(212,175,55,0.3);
  color: var(--text-dim);
  padding: 12px 30px; 
  font-size: 0.95rem; 
  font-family: 'Noto Serif SC', serif;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s;
  min-height: 48px;
  letter-spacing: 1px;
  margin-top: 0;
}
.btn-back:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* 输入框 */
.question-input {
  width: 100%; min-height: 120px;
  background: rgba(26,26,62,0.6);
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: 12px; padding: 16px;
  color: var(--text); font-size: 1rem;
  font-family: 'Noto Serif SC', serif;
  resize: vertical; outline: none;
  transition: all 0.3s ease;
  line-height: 1.6;
}
.question-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(212,175,55,0.2);
  background: rgba(26,26,62,0.8);
}
.question-input::placeholder {
  color: rgba(160,156,192,0.5);
}
.question-hint {
  color: var(--text-dim); font-size: 0.85rem;
  margin-top: 15px; text-align: left;
  padding-left: 5px;
}

/* 问题展示 */
.user-question-box {
  width: 100%; max-width: 600px; margin: 0 auto 30px;
  background: rgba(26,26,62,0.5);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 12px; padding: 20px;
  text-align: center;
}
.question-label {
  color: var(--gold); font-family: 'Cinzel', serif;
  font-size: 0.9rem; margin-bottom: 8px; letter-spacing: 2px;
}
.question-text {
  color: var(--text); font-size: 1.1rem;
  font-style: italic; line-height: 1.6;
}

/* 卡牌组件 */
.card-slot {
  perspective: 1200px;
  width: var(--card-w); height: var(--card-h);
  position: relative;
}
.card-slot.empty::before {
  content: '';
  position: absolute; top:0; left:0; width:100%; height:100%;
  border: 2px dashed rgba(212,175,55,0.25);
  border-radius: 12px;
  background: rgba(26,26,62,0.3);
  box-shadow: inset 0 0 30px rgba(212,175,55,0.05);
}
.card-slot.empty::after {
  content: attr(data-pos);
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  color: rgba(212,175,55,0.35);
  font-family: 'Cinzel', serif;
  font-size: 1rem;
  letter-spacing: 2px;
  pointer-events: none;
}
.card-wrapper { 
  display: flex; 
  flex-direction: column; 
  align-items: center;
  transition: all 0.5s ease;
}
.position-label {
  text-align: center; color: var(--gold);
  font-family: 'Cinzel', serif; font-size: 1rem;
  margin-top: 18px; letter-spacing: 2px;
  min-height: 24px;
}
.card-3d {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-3d.flipped { transform: rotateY(180deg); }
.card-3d.reversed { transform: rotateY(180deg) rotate(180deg); }
.card-face-3d {
  position: absolute; width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}
.card-face-3d img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; display: block; }
.card-face-front { transform: rotateY(180deg); }
.reversed-tag {
  position: absolute; top: 10px; right: 10px;
  background: rgba(139,0,0,0.85); color: white;
  font-size: 0.75rem; padding: 3px 10px; border-radius: 4px;
  font-family: 'Cinzel', serif; z-index: 10;
}

/* 解读文本 */
.interpretation {
  background: rgba(26,26,62,0.6); border: 1px solid rgba(212,175,55,0.2);
  border-radius: 12px; padding: 25px; margin-top: 30px;
  backdrop-filter: blur(10px);
}
.interp-card { margin-bottom: 25px; padding-bottom: 25px; border-bottom: 1px solid rgba(212,175,55,0.1); }
.interp-card:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.interp-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.interp-name { font-family: 'Cinzel', serif; color: var(--gold-light); font-size: 1.1rem; font-weight: 600; }
.interp-position { color: var(--accent); font-size: 0.85rem; margin-left: auto; font-family: 'Cinzel', serif; }
.interp-meaning { color: var(--text); line-height: 1.8; font-size: 0.95rem; }
.interp-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.keyword {
  background: rgba(212,175,55,0.1); border: 1px solid rgba(212,175,55,0.2);
  color: var(--gold); padding: 3px 12px; border-radius: 20px;
  font-size: 0.8rem; font-family: 'Cinzel', serif;
}
.overall-summary {
  margin-top: 25px; padding: 20px;
  background: rgba(212,175,55,0.05); border-radius: 10px;
  border-left: 3px solid var(--gold);
}
.overall-title { color: var(--gold); font-family: 'Cinzel', serif; margin-bottom: 10px; font-size: 1.1rem; }

/* AI 摘要标签 */
.ai-card-summary {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; margin-bottom: 25px;
}
.ai-card-tag {
  background: rgba(212,175,55,0.1);
  border: 1px solid rgba(212,175,55,0.3);
  color: var(--gold);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-family: 'Cinzel', serif;
}

/* 手机端逆位标签 */
@media (max-width: 480px) {
  .reversed-tag { font-size: 0.6rem; padding: 2px 6px; top: 6px; right: 6px; }
  .position-label { font-size: 0.8rem; margin-top: 10px; letter-spacing: 1px; }

  
  /* 新增：手机端强制按钮大小完全一致 */
  .btn-mystic.btn-small,
  .btn-back, .btn-small {
    min-width: 140px;           /* 固定最小宽度 */
    padding: 10px 20px;         /* 手机端统一缩小 padding */
    font-size: 0.85rem;         /* 手机端统一缩小字号 */
    min-height: 44px;           /* 统一高度 */
    white-space: nowrap;        /* 禁止文字换行 */
  }
}