/* 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 */
  }
}

/* ===== 备案信息（不浮动，固定在页面最底部） ===== */
.beian-footer {
  width: 100%;
  margin-top: 20px;
  padding: 10px 20px;
  background: rgba(10, 10, 26, 0.85);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.beian-footer a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s ease;
}
.beian-footer a:hover {
  color: var(--gold);
}
.beian-divider {
  color: rgba(212, 175, 55, 0.3);
}
.beian-police-logo {
  width: 16px;
  height: 16px;
  object-fit: contain;
  opacity: 0.7;
}

/* ===== 卡牌范围选择器 ===== */
.deck-range-group {
  width: 100%;
  max-width: 500px;
  margin: 25px auto 0;
  padding: 20px;
  background: rgba(26, 26, 62, 0.5);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.deck-range-title {
  font-family: 'Cinzel', serif;
  color: var(--gold);
  font-size: 1rem;
  text-align: center;
  letter-spacing: 2px;
  margin-bottom: 5px;
}
.deck-range-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(26,26,62,0.9), rgba(107,91,149,0.3));
  border: 1px solid var(--gold);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--gold-light);
  font-family: 'Noto Serif SC', serif;
  font-size: 1rem;
  letter-spacing: 1px;
  box-shadow: 0 0 15px rgba(212,175,55,0.1);
}
.deck-range-option:hover {
  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);
}
.deck-range-option input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.deck-range-option input[type="radio"]:checked {
  background: var(--gold);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}
.deck-range-option input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: var(--dark);
  border-radius: 50%;
}
.deck-range-label {
  cursor: pointer;
  user-select: none;
}

/* 手机端适配 */
@media (max-width: 480px) {
  .beian-footer {
    padding: 8px 10px;
    font-size: 0.65rem;
    gap: 6px;
  }
  .beian-police-logo {
    width: 14px;
    height: 14px;
  }
  .deck-range-group {
    padding: 15px;
    gap: 10px;
  }
  .deck-range-option {
    padding: 12px 14px;
    font-size: 0.9rem;
  }
  .deck-range-title {
    font-size: 0.9rem;
  }
}

/* ===== 用户状态栏（左上角：头像 + 昵称 + 次数徽章） ===== */
.user-bar {
  position: fixed;
  top: calc(10px + env(safe-area-inset-top, 0px));
  left: 12px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 5px 5px;
  background: rgba(21, 21, 43, 0.75);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 14px rgba(212, 175, 55, 0.15);
  max-width: calc(100vw - 24px);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
}
.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.user-avatar.guest span {
  color: var(--gold);
  font-size: 1.05rem;
  line-height: 1;
}

.user-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  min-width: 0;
}
.user-meta.no-count {
  justify-content: center;
}

.user-name {
  font-size: 0.85rem;
  color: var(--text);
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
  line-height: 1.3;
}

.ai-count-badge {
  font-size: 0.7rem;
  color: var(--gold-light);
  letter-spacing: 0.5px;
  white-space: nowrap;
  line-height: 1.3;
}
.ai-count-badge.disabled {
  color: var(--text-dim);
}
.ai-count-badge.zero {
  color: #e57373;
}

/* 手机端适配 */
@media (max-width: 480px) {
  .user-bar {
    top: calc(8px + env(safe-area-inset-top, 0px));
    left: 8px;
    padding: 4px 10px 4px 4px;
    gap: 6px;
  }
  .user-avatar {
    width: 30px;
    height: 30px;
  }
  .user-name {
    font-size: 0.78rem;
    max-width: 110px;
  }
  .ai-count-badge {
    font-size: 0.62rem;
  }
}