/* ===== 基础变量 ===== */
:root {
  --primary: #1677ff;
  --primary-light: #e6f4ff;
  --primary-dark: #0958d9;
  --header-bg: #1677ff;
  --text-primary: #1f1f1f;
  --text-secondary: #666;
  --text-muted: #999;
  --border: #e8e8e8;
  --bg-page: #f5f7fa;
  --bg-card: #fff;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
  --ai-gradient: linear-gradient(135deg, #e6f4ff 0%, #f0f5ff 50%, #fff 100%);
  --agent-red: #ff4d4f;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ===== 顶部导航 ===== */
.site-header {
  background: var(--header-bg);
  color: #fff;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-cn {
  font-size: 14px;
  font-weight: 600;
}

.logo-en {
  font-size: 10px;
  opacity: 0.85;
}

.company-name {
  font-size: 16px;
  font-weight: 500;
  margin-left: 8px;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.4);
}

.digital-human-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  text-decoration: none;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 14px;
  transition: background 0.2s;
}

.digital-human-link:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ===== 主内容 ===== */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* ===== 搜索筛选面板（可收起） ===== */
.search-panel {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}

.search-compact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
}

.search-compact-input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-compact-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.12);
}

.search-compact .btn-primary {
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 14px;
}

.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.filter-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-toggle .toggle-arrow {
  transition: transform 0.2s;
}

.search-panel:not(.collapsed) .filter-toggle .toggle-arrow {
  transform: rotate(180deg);
}

.search-panel:not(.collapsed) .filter-toggle {
  background: var(--primary-light);
  color: var(--primary);
  border-color: #91caff;
}

.filter-advanced {
  max-height: 600px;
  padding: 8px 28px 20px;
  border-top: 1px dashed var(--border);
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.2s;
  overflow: hidden;
}

.search-panel.collapsed .filter-advanced {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  border-top: none;
}

.filter-row-actions {
  justify-content: flex-end;
}

.filter-row {
  display: flex;
  align-items: center;
  margin-top: 14px;
  flex-wrap: wrap;
  gap: 12px;
}

.filter-row:first-child {
  margin-top: 14px;
}

.filter-label {
  width: 80px;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-secondary);
  text-align: right;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 4px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.date-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.date-input,
.text-input {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.date-input:focus,
.text-input:focus {
  border-color: var(--primary);
}

.text-input {
  width: 200px;
}

.keyword-input {
  width: 280px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 20px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-default {
  background: #fff;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-default:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== 搜索结果区 ===== */
.results-header {
  text-align: center;
  margin-bottom: 24px;
}

.results-divider {
  display: inline-block;
  padding: 0 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.results-divider::before,
.results-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 120px;
  height: 1px;
  background: var(--border);
}

.results-divider::before {
  right: 100%;
}

.results-divider::after {
  left: 100%;
}

.results-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}

.results-stats {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 16px 0 20px;
}

.results-stats strong {
  color: var(--text-primary);
}

/* ===== AI 优先展示区 ===== */
.ai-priority-zone {
  margin-bottom: 8px;
}

.ai-priority-card {
  background: linear-gradient(180deg, #f0f7ff 0%, #fafcff 100%);
  border: 1px solid #b3d4ff;
  border-radius: var(--radius-lg);
  padding: 20px 24px 12px;
  box-shadow: 0 2px 12px rgba(22, 119, 255, 0.08);
}

.ai-priority-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.ai-priority-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.ai-sparkle {
  flex-shrink: 0;
}

.ai-priority-subtitle {
  flex: 1;
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 200px;
}

.goto-digital-human {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: 16px;
  background: rgba(22, 119, 255, 0.08);
  transition: background 0.2s;
  margin-left: auto;
}

.goto-digital-human:hover {
  background: rgba(22, 119, 255, 0.15);
}

/* AI 优先推荐：文件卡片（横向紧凑） */
.ai-recommend-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.ai-file-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.ai-file-card:hover {
  border-color: #91caff;
  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.08);
}

.ai-file-ext-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 22px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
  margin-top: 1px;
}

.ai-file-ext-badge.pdf { background: #ff4d4f; }
.ai-file-ext-badge.docx { background: #1677ff; }
.ai-file-ext-badge.doc { background: #1677ff; }

.ai-file-main {
  flex: 1;
  min-width: 0;
}

.ai-file-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.ai-file-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 1px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

.ai-file-tag.agent-tag {
  color: #ff4d4f;
  background: #fff1f0;
}

.ai-file-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.ai-file-card:hover .ai-file-title {
  color: var(--primary);
}

.ai-file-filename {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.ai-file-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

.ai-file-meta .meta-sep {
  color: #e8e8e8;
}

.ai-file-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  flex-shrink: 0;
}

.ai-file-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ai-file-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.2s;
}

.ai-file-btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.ai-file-btn.primary:hover {
  background: var(--primary-dark);
}

.ai-file-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* AI 思考中 */
.ai-thinking {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

.thinking-dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}

.thinking-dots span {
  width: 5px;
  height: 5px;
  background: var(--primary);
  border-radius: 50%;
  animation: thinkingPulse 1.2s infinite ease-in-out both;
}

.thinking-dots span:nth-child(1) { animation-delay: -0.24s; }
.thinking-dots span:nth-child(2) { animation-delay: -0.12s; }

@keyframes thinkingPulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

.ai-brief {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 4px 0 8px;
}

/* 展开/收起 */
.ai-expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding: 10px;
  margin-top: 4px;
  border: none;
  border-top: 1px dashed #c8ddf5;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
}

.ai-expand-btn:hover {
  color: var(--primary);
}

.ai-expand-btn.expanded .expand-icon {
  transform: rotate(180deg);
}

.expand-icon {
  transition: transform 0.2s;
}

.ai-detail {
  padding-top: 4px;
}

/* AI 内容区 */
.ai-greeting {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.ai-section {
  margin-bottom: 20px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.section-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  padding-left: 24px;
}

.key-points {
  padding-left: 44px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.key-points li {
  margin-bottom: 12px;
}

.key-points li strong {
  color: var(--text-primary);
}

.key-points ul {
  margin-top: 6px;
  padding-left: 20px;
}

.key-points ul li {
  margin-bottom: 4px;
  list-style: disc;
}

.ai-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed #91caff;
}

.ai-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border: 1px solid var(--primary);
  border-radius: 16px;
  background: #fff;
  color: var(--primary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.ai-action-btn:hover {
  background: var(--primary-light);
}

/* ===== 传统搜索结果 ===== */
.traditional-results {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.result-list {
  list-style: none;
}

.result-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s;
}

.result-item:last-child {
  border-bottom: none;
}

.result-item:hover {
  background: #fafafa;
  margin: 0 -16px;
  padding: 16px;
  border-radius: var(--radius);
}

.result-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.result-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.result-title:hover {
  color: var(--primary);
}

.result-meta {
  font-size: 13px;
  color: var(--text-muted);
}

.result-snippet {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
  line-height: 1.6;
}

.result-snippet mark {
  background: #fff566;
  padding: 0 2px;
}

.result-title a {
  color: inherit;
  text-decoration: none;
}

.result-title a:hover {
  color: var(--primary);
}

.result-filename {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

.page-size {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
}

.page-controls {
  display: flex;
  gap: 4px;
}

.page-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
}

.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-input {
  width: 40px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
  font-size: 13px;
}

/* ===== 侧边栏 ===== */
.results-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.sidebar-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* 智能体卡片 */
.agent-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.agent-card {
  display: flex;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  color: inherit;
}

.agent-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.12);
  transform: translateY(-1px);
}

.agent-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.agent-icon.blue { background: #e6f4ff; }
.agent-icon.purple { background: #f9f0ff; }
.agent-icon.green { background: #f6ffed; }
.agent-icon.orange { background: #fff7e6; }

.agent-info {
  flex: 1;
  min-width: 0;
}

.agent-name {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.agent-desc {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-dept {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.view-all-agents {
  display: block;
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
}

.view-all-agents:hover {
  text-decoration: underline;
}

/* 反馈 */
.feedback-question {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.feedback-btns {
  display: flex;
  gap: 8px;
}

.feedback-btn {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.feedback-btn:hover {
  border-color: var(--primary);
}

.feedback-btn.selected {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== AI 追问条（位于搜索结果上方） ===== */
.ai-ask-bar {
  margin-bottom: 16px;
}

.ai-ask-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(90deg, #e6f4ff 0%, #f0f5ff 60%, #fff 100%);
  border: 1px solid #91caff;
  border-radius: 28px;
  padding: 6px 6px 6px 18px;
  box-shadow: 0 2px 12px rgba(22, 119, 255, 0.08);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ai-ask-inner:focus-within {
  border-color: var(--primary);
  box-shadow: 0 4px 18px rgba(22, 119, 255, 0.15);
}

.ai-ask-icon {
  display: flex;
  align-items: center;
}

.ai-ask-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  font-family: inherit;
  padding: 8px 0;
  min-width: 0;
}

.ai-ask-input::placeholder {
  color: var(--text-muted);
}

.ai-ask-send {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}

.ai-ask-send:hover {
  background: var(--primary-dark);
}

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .results-layout {
    grid-template-columns: 1fr;
  }

  .results-sidebar {
    order: -1;
  }

  .filter-label {
    width: 100%;
    text-align: left;
  }

  .ai-priority-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .goto-digital-human {
    margin-left: 0;
  }

  .ai-file-row {
    gap: 6px;
  }

  .ai-file-title,
  .ai-file-filename {
    max-width: 100%;
    white-space: normal;
  }

  .ai-file-meta {
    margin-left: 0;
    width: 100%;
  }

  .ai-file-actions {
    width: 100%;
  }

  .ai-file-desc {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
}