/* ═══════════════════════════════════════════════════════
   品品 V2 — Knowledge Management Styles
   Upload, List, Detail, Review components
   ═══════════════════════════════════════════════════════ */

/* ── Upload Page ────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--brand-border);
  border-radius: var(--r-lg);
  padding: var(--s-3xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--fast) var(--ease);
  background: var(--brand-bg);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--brand);
  background: rgba(99, 102, 241, 0.2);
}
.upload-zone.has-image {
  padding: var(--s-md);
  min-height: auto;
}
.upload-zone img {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--r-md);
  object-fit: contain;
}
.upload-zone .upload-hint {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: var(--s-sm);
}
.upload-zone .upload-icon {
  font-size: 48px;
  margin-bottom: var(--s-md);
}

.upload-progress {
  margin-top: var(--s-lg);
}
.upload-progress .progress-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--s-sm);
}
.upload-progress .progress-fill {
  height: 100%;
  background: var(--brand);
  border-radius: 3px;
  transition: width var(--normal) var(--ease);
}
.upload-progress .progress-text {
  color: var(--text-muted);
  font-size: 12px;
}

.upload-result {
  margin-top: var(--s-lg);
  padding: var(--s-lg);
  background: var(--bg-secondary);
  border-radius: var(--r-lg);
}

/* ── List Page ──────────────────────────────────────── */
.knowledge-filter-bar {
  display: flex;
  gap: var(--s-sm);
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--s-lg);
}
.knowledge-filter-bar select,
.knowledge-filter-bar input {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--r-sm);
  padding: var(--s-xs) var(--s-sm);
  font-size: 13px;
  outline: none;
  min-width: 110px;
}
.knowledge-filter-bar select:focus,
.knowledge-filter-bar input:focus {
  border-color: var(--brand);
}
.knowledge-filter-bar .search-input {
  min-width: 180px;
  flex: 1;
}

.knowledge-stats {
  display: flex;
  gap: var(--s-sm);
  flex-wrap: wrap;
  margin-bottom: var(--s-lg);
}
.stat-card {
  flex: 1;
  min-width: 100px;
  background: var(--bg-secondary);
  border-radius: var(--r-md);
  padding: var(--s-md);
  text-align: center;
}
.stat-card .stat-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--brand-light);
}
.stat-card .stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.knowledge-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.knowledge-table th {
  text-align: left;
  padding: var(--s-sm) var(--s-md);
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--bg-tertiary);
  white-space: nowrap;
}
.knowledge-table td {
  padding: var(--s-sm) var(--s-md);
  border-bottom: 1px solid var(--bg-tertiary);
  vertical-align: middle;
}
.knowledge-table tr:hover td {
  background: var(--brand-bg);
}
.knowledge-table tr.selected td {
  background: rgba(99, 102, 241, 0.2);
}
.knowledge-table .clickable {
  cursor: pointer;
  color: var(--brand-light);
}
.knowledge-table .clickable:hover {
  text-decoration: underline;
}

/* Layer badges */
.layer-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.layer-badge.business_capability { background: rgba(99,102,241,0.2); color: #818cf8; }
.layer-badge.domain_knowledge { background: rgba(52,211,153,0.15); color: #34d399; }
.layer-badge.sop { background: rgba(251,191,36,0.15); color: #fbbf24; }
.layer-badge.rules { background: rgba(248,113,113,0.15); color: #f87171; }
.layer-badge.agent_workflow { background: rgba(6,182,212,0.15); color: #06b6d4; }
.layer-badge.enterprise_ai_os { background: rgba(139,92,246,0.15); color: #a78bfa; }

/* Type badges */
.type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* Status badges */
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.status-badge.draft { background: var(--bg-tertiary); color: var(--text-muted); }
.status-badge.extracted { background: var(--info-bg); color: var(--info); }
.status-badge.classified { background: var(--warning-bg); color: var(--warning); }
.status-badge.pending_review_1 { background: rgba(251,191,36,0.2); color: #fbbf24; }
.status-badge.pending_review_2 { background: rgba(251,191,36,0.2); color: #fbbf24; }
.status-badge.approved { background: var(--success-bg); color: var(--success); }
.status-badge.rejected { background: var(--danger-bg); color: var(--danger); }
.status-badge.published { background: var(--success-bg); color: var(--success); }

/* Maturity badges */
.maturity-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}
.maturity-badge.L1_draft { background: var(--bg-tertiary); color: var(--text-muted); }
.maturity-badge.L2_validated { background: var(--info-bg); color: var(--info); }
.maturity-badge.L3_standardized { background: var(--success-bg); color: var(--success); }
.maturity-badge.L4_enterprise { background: var(--warning-bg); color: var(--warning); }
.maturity-badge.L5_agent_ready { background: rgba(139,92,246,0.2); color: #a78bfa; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--s-sm);
  margin-top: var(--s-lg);
  padding: var(--s-md) 0;
}
.pagination button {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--r-sm);
  padding: var(--s-xs) var(--s-md);
  cursor: pointer;
  font-size: 13px;
}
.pagination button:hover:not(:disabled) {
  background: var(--bg-tertiary);
}
.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pagination .page-info {
  color: var(--text-muted);
  font-size: 13px;
}

/* ── Detail Page ────────────────────────────────────── */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--s-lg);
  gap: var(--s-md);
}
.detail-header .detail-title-section {
  flex: 1;
}
.detail-header .detail-title-section h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-xs);
}
.detail-header .detail-actions {
  display: flex;
  gap: var(--s-sm);
  flex-shrink: 0;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--s-sm);
  margin-bottom: var(--s-lg);
}
.detail-meta-item {
  background: var(--bg-secondary);
  border-radius: var(--r-sm);
  padding: var(--s-sm) var(--s-md);
}
.detail-meta-item .meta-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.detail-meta-item .meta-value {
  font-size: 13px;
  color: var(--text-primary);
}

.detail-content {
  background: var(--bg-secondary);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
  margin-bottom: var(--s-lg);
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.7;
  max-height: 500px;
  overflow-y: auto;
}

.detail-sub-tabs {
  margin-bottom: var(--s-md);
}
.detail-sub-tabs .sub-tab {
  display: inline-block;
  padding: var(--s-xs) var(--s-md);
  cursor: pointer;
  color: var(--text-muted);
  border-radius: var(--r-sm);
  font-size: 13px;
  margin-right: var(--s-xs);
}
.detail-sub-tabs .sub-tab.active {
  background: var(--brand-bg);
  color: var(--brand-light);
}

.detail-steps-table,
.detail-rules-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.detail-steps-table th,
.detail-rules-table th {
  text-align: left;
  padding: var(--s-sm);
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--bg-tertiary);
}
.detail-steps-table td,
.detail-rules-table td {
  padding: var(--s-sm);
  border-bottom: 1px solid var(--bg-tertiary);
  vertical-align: top;
}

/* ── Review Page ────────────────────────────────────── */
.review-card {
  background: var(--bg-secondary);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
  margin-bottom: var(--s-md);
  border-left: 3px solid var(--brand);
}
.review-card .review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--s-sm);
}
.review-card .review-header h3 {
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  color: var(--brand-light);
}
.review-card .review-header h3:hover {
  text-decoration: underline;
}

.review-actions {
  display: flex;
  gap: var(--s-sm);
  margin-top: var(--s-md);
}
.review-actions textarea {
  flex: 1;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--r-sm);
  padding: var(--s-sm);
  font-size: 13px;
  resize: vertical;
  min-height: 60px;
}
.review-actions textarea:focus {
  border-color: var(--brand);
  outline: none;
}

/* ── Graph ──────────────────────────────────────────── */
.graph-container {
  width: 100%;
  height: 400px;
  background: var(--bg-primary);
  border-radius: var(--r-lg);
  margin-bottom: var(--s-lg);
}

/* ── Knowledge Page Layout ──────────────────────────── */
.knowledge-page .page-subtitle {
  display: flex;
  gap: var(--s-sm);
  flex-wrap: wrap;
}
.knowledge-page .page-subtitle .nav-btn {
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--s-xs) var(--s-sm);
  border-radius: var(--r-sm);
  font-size: 13px;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
}
.knowledge-page .page-subtitle .nav-btn.active {
  background: var(--brand-bg);
  color: var(--brand-light);
  border-color: var(--brand-border);
}
.knowledge-page .page-subtitle .nav-btn:hover {
  background: var(--bg-tertiary);
}

/* Ensure knowledge pages have a scrollable container */
.knowledge-page {
  flex: 1;
  overflow-y: auto;
  scroll-behavior: smooth;
}

/* Indeterminate progress for async upload processing */
@keyframes progress-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}