/**
 * 增强搜索功能样式
 */

/* 搜索建议容器 */
.search-suggestions-container {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  max-height: 400px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
  margin-top: 5px;
  border: 1px solid #e1e8ed;
}

/* 建议区块 */
.suggestions-section {
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
}

.suggestions-section:last-child {
  border-bottom: none;
}

/* 建议标题 */
.suggestions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #657786;
  background: #f8f9fa;
}

.clear-history-btn {
  background: none;
  border: none;
  color: #1da1f2;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.clear-history-btn:hover {
  background: #e1e8ed;
}

/* 建议列表 */
.suggestions-list {
  display: flex;
  flex-direction: column;
}

/* 建议项 */
.suggestion-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  text-decoration: none;
  color: #14171a;
  transition: all 0.2s ease;
  cursor: pointer;
}

.suggestion-item:hover {
  background: #f8f9fa;
}

.suggestion-item.active {
  background: #e1e8ed;
}

/* 建议图标 */
.suggestion-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e1e8ed;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.suggestion-icon i {
  font-size: 0.9rem;
  color: #657786;
}

.history-item .suggestion-icon {
  background: #fff4e6;
}

.history-item .suggestion-icon i {
  color: #fa8c16;
}

.popular-item .suggestion-icon {
  background: #fff1f0;
}

.popular-item .suggestion-icon i {
  color: #f5222d;
}

/* 建议内容 */
.suggestion-content {
  flex: 1;
  min-width: 0;
}

.suggestion-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: #14171a;
  margin-bottom: 4px;
  line-height: 1.4;
}

.suggestion-title mark {
  background: #fff4e6;
  color: #fa8c16;
  padding: 2px 4px;
  border-radius: 3px;
}

.suggestion-description {
  font-size: 0.85rem;
  color: #657786;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 搜索结果 */
.search-results {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
}

.results-count {
  font-size: 0.9rem;
  color: #657786;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e1e8ed;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-item {
  display: block;
  padding: 16px;
  background: white;
  border-radius: 8px;
  text-decoration: none;
  color: #14171a;
  border: 1px solid #e1e8ed;
  transition: all 0.3s ease;
}

.result-item:hover {
  border-color: #1da1f2;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.result-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1da1f2;
  margin-bottom: 8px;
}

.result-description {
  font-size: 0.9rem;
  color: #657786;
  line-height: 1.5;
  margin-bottom: 8px;
}

.result-category {
  display: inline-block;
  padding: 4px 12px;
  background: #e1e8ed;
  color: #657786;
  border-radius: 12px;
  font-size: 0.75rem;
}

.no-results {
  text-align: center;
  padding: 40px 20px;
  color: #657786;
  font-size: 1rem;
}

/* 搜索输入框增强 */
#search-input,
.search-input {
  position: relative;
}

#search-input:focus,
.search-input:focus {
  outline: none;
}

#search-input::placeholder,
.search-input::placeholder {
  color: #aab8c2;
}

/* 键盘快捷键提示 */
.keyboard-shortcut {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 4px;
  pointer-events: none;
}

.keyboard-shortcut kbd {
  display: inline-block;
  padding: 4px 8px;
  background: #e1e8ed;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: monospace;
  color: #657786;
  border: 1px solid #d1d8dd;
}

/* 滚动条样式 */
.search-suggestions-container::-webkit-scrollbar {
  width: 6px;
}

.search-suggestions-container::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.search-suggestions-container::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

.search-suggestions-container::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .search-suggestions-container {
    max-height: 300px;
  }

  .suggestion-item {
    padding: 10px 12px;
  }

  .suggestion-icon {
    width: 28px;
    height: 28px;
  }

  .suggestion-icon i {
    font-size: 0.8rem;
  }

  .suggestion-title {
    font-size: 0.9rem;
  }

  .suggestion-description {
    font-size: 0.8rem;
  }

  .keyboard-shortcut {
    display: none;
  }
}

/* 暗色模式适配 */
.dark-mode .search-suggestions-container {
  background: #1f2937;
  border-color: #374151;
}

.dark-mode .suggestions-header {
  background: #374151;
  color: #d1d5db;
}

.dark-mode .suggestion-item {
  color: #f3f4f6;
}

.dark-mode .suggestion-item:hover,
.dark-mode .suggestion-item.active {
  background: #374151;
}

.dark-mode .suggestion-icon {
  background: #374151;
}

.dark-mode .suggestion-icon i {
  color: #9ca3af;
}

.dark-mode .suggestion-title {
  color: #f3f4f6;
}

.dark-mode .suggestion-title mark {
  background: #4b5563;
  color: #fbbf24;
}

.dark-mode .suggestion-description {
  color: #9ca3af;
}

.dark-mode .result-item {
  background: #1f2937;
  border-color: #374151;
}

.dark-mode .result-item:hover {
  border-color: #3b82f6;
}

.dark-mode .result-title {
  color: #3b82f6;
}

.dark-mode .result-description {
  color: #9ca3af;
}

.dark-mode .result-category {
  background: #374151;
  color: #d1d5db;
}

.dark-mode .results-count {
  color: #9ca3af;
  border-color: #374151;
}

.dark-mode .no-results {
  color: #9ca3af;
}

.dark-mode .keyboard-shortcut kbd {
  background: #374151;
  color: #d1d5db;
  border-color: #4b5563;
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-suggestions-container {
  animation: fadeIn 0.2s ease-out;
}

.suggestion-item {
  animation: fadeIn 0.2s ease-out;
}

/* 无障碍支持 */
.suggestion-item:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* 打印样式 */
@media print {
  .search-suggestions-container {
    display: none !important;
  }
}