/**
 * 時段選擇器佈局修復
 * 版本: 1.0
 * 日期: 2025-11-07
 * 
 * 修復問題:
 * 1. 「已選擇」顯示在時段按鈕上方
 * 2. 「清空選擇」按鈕在右側
 * 3. 桌面端時段按鈕 3 列顯示
 */

/* ========================================
   時段頭部 - 已選擇 + 清空按鈕
   ======================================== */

.timeslot-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding: 16px 20px !important;
  background: #f8f9fa !important;
  border-radius: 12px !important;
  margin-bottom: 20px !important;
  border: 1px solid #e9ecef !important;
  gap: 16px !important;
  flex-wrap: nowrap !important;
}

/* 已選擇時間顯示 */
.selected-range-display {
  font-size: 15px !important;
  color: #212529 !important;
  font-weight: 600 !important;
  margin: 0 !important;
  flex: 1 !important;
  min-width: 0 !important;
}

.selected-range-display strong {
  color: #d32f2f !important;
  font-size: 16px !important;
  font-weight: 700 !important;
}

/* 清空選擇按鈕 */
.clear-selection-btn {
  background: white !important;
  border: 2px solid #d32f2f !important;
  color: #d32f2f !important;
  padding: 8px 20px !important;
  border-radius: 8px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: all 0.25s ease !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}

.clear-selection-btn:hover {
  background: #d32f2f !important;
  color: white !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.25) !important;
}

.clear-selection-btn:active {
  transform: translateY(0) !important;
}

/* ========================================
   時段網格 - 3 列佈局
   ======================================== */

.time-slots-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)) !important;
  gap: 12px !important;
  width: 100% !important;
}

/* ========================================
   時段按鈕
   ======================================== */

.time-slot-btn {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 16px 12px !important;
  background: #f8f9fa !important;
  border: 2px solid #e9ecef !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  transition: all 0.25s ease !important;
  min-height: 85px !important;
  width: 100% !important;
}

/* Hover 效果已移除 - 避免滑鼠懸停時按鈕變白色 */

.time-slot-btn.selected {
  background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%) !important;
  border-color: #d32f2f !important;
  color: white !important;
  box-shadow: 0 4px 16px rgba(211, 47, 47, 0.3) !important;
}

.time-slot-btn.booked,
.time-slot-btn:disabled {
  background: #f8f9fa !important;
  border-color: #e9ecef !important;
  color: #adb5bd !important;
  cursor: not-allowed !important;
  opacity: 0.5 !important;
}

/* Booked/disabled hover 效果已移除 */

.time-slot-time {
  font-size: 16px !important;
  font-weight: 700 !important;
  margin-bottom: 6px !important;
  line-height: 1.2 !important;
}

.time-slot-price {
  font-size: 14px !important;
  font-weight: 600 !important;
  opacity: 0.85 !important;
}

.time-slot-btn.selected .time-slot-time,
.time-slot-btn.selected .time-slot-price {
  color: white !important;
}

/* ========================================
   響應式設計 - 平板
   ======================================== */

@media (max-width: 1024px) {
  .time-slots-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 10px !important;
  }
  
  .time-slot-btn {
    min-height: 80px !important;
    padding: 14px 10px !important;
  }
  
  .time-slot-time {
    font-size: 15px !important;
  }
  
  .time-slot-price {
    font-size: 13px !important;
  }
}

/* ========================================
   響應式設計 - 手機
   ======================================== */

@media (max-width: 768px) {
  .timeslot-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    padding: 16px !important;
  }
  
  .selected-range-display {
    text-align: left !important;
    font-size: 14px !important;
  }
  
  .selected-range-display strong {
    font-size: 15px !important;
  }
  
  .clear-selection-btn {
    width: 100% !important;
    padding: 10px 16px !important;
    text-align: center !important;
  }
  
  .time-slots-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 10px !important;
  }
  
  .time-slot-btn {
    min-height: 75px !important;
    padding: 14px 10px !important;
  }
  
  .time-slot-time {
    font-size: 15px !important;
  }
  
  .time-slot-price {
    font-size: 13px !important;
  }
}

/* ========================================
   響應式設計 - 小屏幕
   ======================================== */

@media (max-width: 480px) {
  .timeslot-header {
    padding: 14px !important;
  }
  
  .selected-range-display {
    font-size: 13px !important;
  }
  
  .selected-range-display strong {
    font-size: 14px !important;
  }
  
  .clear-selection-btn {
    padding: 8px 14px !important;
    font-size: 13px !important;
  }
  
  .time-slots-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
  }
  
  .time-slot-btn {
    min-height: 70px !important;
    padding: 12px 8px !important;
  }
  
  .time-slot-time {
    font-size: 14px !important;
  }
  
  .time-slot-price {
    font-size: 12px !important;
  }
}

/* ========================================
   桌面端 - 確保 3 列
   ======================================== */

@media (min-width: 1025px) {
  .time-slots-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
    gap: 12px !important;
  }
  
  .time-slot-btn {
    min-height: 90px !important;
    padding: 16px 12px !important;
  }
  
  .time-slot-time {
    font-size: 17px !important;
  }
  
  .time-slot-price {
    font-size: 15px !important;
  }
}

@media (min-width: 1200px) {
  .time-slots-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important;
    gap: 14px !important;
  }
  
  .time-slot-btn {
    min-height: 95px !important;
    padding: 18px 14px !important;
  }
  
  .time-slot-time {
    font-size: 18px !important;
  }
  
  .time-slot-price {
    font-size: 16px !important;
  }
}

/* ========================================
   可訪問性
   ======================================== */

.time-slot-btn:focus-visible {
  outline: 3px solid #d32f2f !important;
  outline-offset: 2px !important;
}

.clear-selection-btn:focus-visible {
  outline: 3px solid #d32f2f !important;
  outline-offset: 2px !important;
}

@media (prefers-reduced-motion: reduce) {
  .time-slot-btn,
  .clear-selection-btn {
    transition: none !important;
  }
  
  .time-slot-btn:hover,
  .clear-selection-btn:hover {
    transform: none !important;
  }
}

/* ========================================
   確保頭部顯示在按鈕上方
   ======================================== */

.time-slots-container {
  display: flex !important;
  flex-direction: column !important;
  width: 100% !important;
}

.time-slots-container .timeslot-header {
  order: 1 !important;
  margin-bottom: 20px !important;
}

.time-slots-container .time-slots-grid {
  order: 2 !important;
}

/* ========================================
   次日時段標籤
   ======================================== */

.next-day-label {
  grid-column: 1 / -1 !important;
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%) !important;
  border-left: 4px solid #ff9800 !important;
  color: #e65100 !important;
  font-weight: 700 !important;
  padding: 12px 16px !important;
  border-radius: 8px !important;
  margin-top: 8px !important;
  box-shadow: 0 2px 4px rgba(255, 152, 0, 0.1) !important;
}

.time-slot-btn.next-day {
  border: 2px solid #ff9800 !important;
  background: #fff8e1 !important;
}

.time-slot-btn.next-day.selected {
  background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%) !important;
  border-color: #ff9800 !important;
  color: white !important;
}