/* ============================================
   时段卡片选择样式
   ============================================ */
.slot-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.slot-card-item {
  padding: 12px 14px;
  background: #F9FAFB;
  border: 2px solid #E5E7EB;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.slot-card-item:hover {
  border-color: #FF6B9D;
  background: #FFF5F8;
}

.slot-card-item.selected {
  border-color: #FF6B9D;
  background: linear-gradient(135deg, #FF6B9D, #A78BFA);
  color: white;
}

.slot-card-item.selected .slot-card-time,
.slot-card-item.selected .slot-card-remaining {
  color: rgba(255,255,255,0.9);
}

.slot-card-name {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.slot-card-time {
  font-size: 0.75rem;
  color: #6B7280;
}

.slot-card-remaining {
  font-size: 0.7rem;
  color: #10B981;
  margin-top: 4px;
}

.slot-card-item.selected .slot-card-remaining {
  color: rgba(255,255,255,0.85);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .slot-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
  }
  .slot-card-item {
    padding: 10px;
  }
  .slot-card-name {
    font-size: 0.8rem;
  }
  .slot-card-time {
    font-size: 0.7rem;
  }
}

/* ============================================
   点歌预定功能样式
   ============================================ */
.reservation-container {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #E5E7EB;
  margin-top: 16px;
}

.reservation-header {
  display: flex;
  border-bottom: 1px solid #E5E7EB;
}

.btn-reservation-tab {
  flex: 1;
  padding: 12px;
  background: #F9FAFB;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: #6B7280;
  transition: all 0.2s;
}

.btn-reservation-tab.active {
  background: white;
  color: #FF6B9D;
  border-bottom: 2px solid #FF6B9D;
}

.reservation-content {
  padding: 16px;
  max-height: 400px;
  overflow-y: auto;
}

.reservation-date-group {
  margin-bottom: 16px;
}

.reservation-date-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #374151;
  margin-bottom: 8px;
  padding-left: 4px;
  border-left: 3px solid #FF6B9D;
}

.reservation-slot-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: #F9FAFB;
  border-radius: 8px;
  margin-bottom: 8px;
  border: 1px solid #E5E7EB;
}

.reservation-slot-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reservation-slot-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: #111827;
}

.reservation-slot-time {
  font-size: 0.75rem;
  color: #6B7280;
}

.reservation-slot-status {
  font-size: 0.7rem;
  color: #10B981;
}

.reservation-slot-status.full {
  color: #EF4444;
}

.btn-reserve {
  padding: 6px 12px;
  background: #FF6B9D;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-reserve:hover {
  background: #E5558A;
}

.btn-reserve:disabled {
  background: #D1D5DB;
  cursor: not-allowed;
}

.btn-cancel {
  padding: 6px 12px;
  background: white;
  color: #EF4444;
  border: 1px solid #EF4444;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-cancel:hover {
  background: #FEF2F2;
}

.reservation-empty {
  text-align: center;
  padding: 40px 0;
  color: #9CA3AF;
}

/* 我的预定卡片样式 */
.my-reservation-card {
  background: #F9FAFB;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
  border: 1px solid #E5E7EB;
  transition: all 0.2s;
}

.my-reservation-card:hover {
  border-color: #FF6B9D;
  box-shadow: 0 2px 8px rgba(255, 107, 157, 0.1);
}

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

.my-reservation-slot {
  font-weight: 700;
  font-size: 1rem;
  color: #111827;
}

.my-reservation-date {
  font-size: 0.8rem;
  color: #6B7280;
  background: #E5E7EB;
  padding: 3px 8px;
  border-radius: 4px;
}

.my-reservation-song {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: white;
  border-radius: 6px;
  margin-bottom: 6px;
}

.my-reservation-song .song-name {
  font-size: 0.9rem;
  color: #374151;
}

.song-status-tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.song-status-tag.pending {
  background: #FEF3C7;
  color: #D97706;
}

.song-status-tag.approved {
  background: #D1FAE5;
  color: #059669;
}

.song-status-tag.rejected {
  background: #FEE2E2;
  color: #DC2626;
}

.song-status-tag.played {
  background: #E0E7FF;
  color: #4F46E5;
}

.song-to {
  font-size: 0.8rem;
  color: #9CA3AF;
  margin-bottom: 8px;
}

.my-reservation-no-song {
  font-size: 0.85rem;
  color: #9CA3AF;
  padding: 8px;
  background: white;
  border-radius: 6px;
  text-align: center;
  border: 1px dashed #D1D5DB;
}

.my-reservation-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .reservation-slot-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .btn-reserve, .btn-cancel {
    width: 100%;
    text-align: center;
  }
}

/* ============================================
   我的点歌记录样式 - 全新美化设计
   ============================================ */
#mySongsSection {
  position: relative;
}

#mySongsSection::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(135deg, rgba(255,107,157,0.06), rgba(167,139,250,0.06));
  border-radius: 16px;
  z-index: 0;
}

#mySongsList {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
  position: relative;
  z-index: 1;
}

.my-song-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: linear-gradient(135deg, #ffffff 0%, #fdfbff 100%);
  border: 1px solid rgba(255, 107, 157, 0.1);
  border-radius: 16px;
  padding: 18px 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(255, 107, 157, 0.04);
}

/* 左侧装饰条 */
.my-song-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #FF6B9D, #A78BFA);
  border-radius: 4px 0 0 4px;
  opacity: 0;
  transition: opacity 0.3s;
}

.my-song-item:hover {
  border-color: rgba(255, 107, 157, 0.25);
  box-shadow: 0 8px 30px rgba(255, 107, 157, 0.12), 0 2px 8px rgba(167, 139, 250, 0.08);
  transform: translateY(-2px) scale(1.005);
}

.my-song-item:hover::before {
  opacity: 1;
}

.my-song-main {
  flex: 1;
  min-width: 0;
}

/* 歌曲名 + 图标 */
.my-song-title {
  font-size: 1rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.my-song-title::before {
  content: '🎵';
  font-size: 1.05rem;
  flex-shrink: 0;
}

/* 元信息行 */
.my-song-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.my-song-date {
  font-size: 0.78rem;
  color: #6B7280;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: #F3F4F6;
  border-radius: 6px;
}

/* 状态徽章 */
.my-song-status {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

/* 状态徽章带小圆点动画 */
.my-song-status::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  top: 50%;
  left: 8px;
  transform: translateY(-50%);
  animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* 收信人/祝福语 */
.my-song-recipient {
  font-size: 0.82rem;
  color: #FF6B9D;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(255, 107, 157, 0.06);
  border-radius: 8px;
  max-width: fit-content;
}

.my-song-msg {
  font-size: 0.8rem;
  color: #9CA3AF;
  margin-top: 6px;
  font-style: italic;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background: linear-gradient(135deg, #f8f9fa, #fff);
  border: 1px dashed #E5E7EB;
  border-radius: 8px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 撤回按钮 */
.my-song-cancel {
  flex-shrink: 0;
  padding: 8px 18px;
  background: linear-gradient(135deg, #ffffff, #fef2f2);
  color: #EF4444;
  border: 1.5px solid #FECACA;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.my-song-cancel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #EF4444, #F87171);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
}

.my-song-cancel span,
.my-song-cancel::before {
  position: relative;
  z-index: 1;
}

.my-song-cancel:hover {
  border-color: #EF4444;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.25);
  transform: scale(1.03);
  color: white;
}

.my-song-cancel:hover::after {
  opacity: 1;
}

.my-song-cancel:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

@media (max-width: 480px) {
  .my-song-item {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: 14px;
  }

  .my-song-item::before {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: 3px;
    border-radius: 14px 14px 0 0;
  }

  .my-song-cancel {
    width: 100%;
    text-align: center;
    margin-top: 10px;
    padding: 11px;
  }

  .my-song-meta {
    flex-wrap: wrap;
  }
}