/* ========================================
   AI 行业公域知识库 - Stylesheet
   Light Theme, Professional Dashboard
   ======================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-light: #eef2ff;
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;
  --color-info: #0ea5e9;
  --color-info-light: #e0f2fe;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  --sidebar-width: 240px;
  --header-height: 60px;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ========================================
   Layout
   ======================================== */

.app-container {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-logo {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  gap: 10px;
}

.sidebar-logo .logo-icon {
  font-size: 22px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 14px;
  transition: all var(--transition-fast);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: inherit;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item .nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-divider {
  height: 1px;
  background: var(--color-border);
  margin: 8px 12px;
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Header --- */
.header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-success);
  font-weight: 500;
}

.header-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

/* --- Page Container --- */
.page-container {
  padding: 24px;
  flex: 1;
}

.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.page-subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
}

/* Stats Card */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--transition-fast);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.blue { background: var(--color-primary-light); color: var(--color-primary); }
.stat-icon.green { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.orange { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon.red { background: var(--color-danger-light); color: var(--color-danger); }
.stat-icon.purple { background: #f3e8ff; color: #7c3aed; }

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

.stat-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.stat-change {
  font-size: 12px;
  margin-top: 4px;
}

.stat-change.up { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: all var(--transition-fast);
  line-height: 1.5;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-success {
  background: var(--color-success);
  color: var(--color-text-inverse);
  border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
  background: #15803d;
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-inverse);
  border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

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

.btn-warning:hover:not(:disabled) {
  background: #d97706;
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 10px 24px;
  font-size: 15px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
}

.btn-group {
  display: flex;
  gap: 8px;
}

/* ========================================
   Forms
   ======================================== */

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

.form-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

/* --- Search / Filter bar --- */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar .form-input,
.toolbar .form-select {
  width: auto;
  min-width: 160px;
}

.toolbar .search-input {
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

/* ========================================
   Badges
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: #92400e; }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-info { background: var(--color-info-light); color: #0369a1; }
.badge-neutral { background: var(--color-bg); color: var(--color-text-secondary); }

/* Source badges */
.badge-source-douyin { background: #111; color: #fff; }
.badge-source-wechat { background: #07c160; color: #fff; }
.badge-source-xiaohongshu { background: #ff2442; color: #fff; }
.badge-source-manual { background: var(--color-primary-light); color: var(--color-primary); }

/* Status badges */
.badge-status-pending { background: var(--color-warning-light); color: #92400e; }
.badge-status-assessed { background: var(--color-info-light); color: #0369a1; }
.badge-status-approved { background: var(--color-success-light); color: var(--color-success); }
.badge-status-ingested { background: var(--color-primary-light); color: var(--color-primary); }
.badge-status-rejected { background: var(--color-danger-light); color: var(--color-danger); }

/* ========================================
   Tables
   ======================================== */

.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: var(--color-bg);
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

tbody td {
  padding: 12px 14px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--color-bg);
}

tbody tr.clickable {
  cursor: pointer;
}

/* ========================================
   Modals
   ======================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
  padding: 20px;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.2s ease;
}

.modal-lg {
  max-width: 800px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  min-width: 280px;
  max-width: 420px;
  animation: slideInRight 0.3s ease;
}

.toast-success { border-left: 4px solid var(--color-success); }
.toast-error { border-left: 4px solid var(--color-danger); }
.toast-warning { border-left: 4px solid var(--color-warning); }
.toast-info { border-left: 4px solid var(--color-info); }

.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-danger); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-message { flex: 1; color: var(--color-text); }

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 16px;
  padding: 2px;
}

/* ========================================
   Loading & Empty States
   ======================================== */

.spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  flex-direction: column;
  gap: 12px;
}

.spinner-icon {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

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

/* ========================================
   Bar Chart
   ======================================== */

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bar-label {
  width: 80px;
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: right;
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 28px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  transition: width 0.5s ease;
  display: flex;
  align-items: center;
  padding-left: 10px;
  min-width: 40px;
}

.bar-fill.blue { background: var(--color-primary); }
.bar-fill.green { background: var(--color-success); }
.bar-fill.orange { background: var(--color-warning); }
.bar-fill.red { background: var(--color-danger); }

.bar-value {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

/* ========================================
   Pagination
   ======================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 16px;
}

.pagination button {
  min-width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

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

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0 8px;
}

/* ========================================
   Tags
   ======================================== */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ========================================
   Chat / Q&A Panel
   ======================================== */

.chat-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  height: 400px;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
}

.chat-message.user {
  align-self: flex-end;
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-message.assistant {
  align-self: flex-start;
  background: var(--color-bg);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
}

.chat-input-area {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
}

.chat-input-area .form-input {
  flex: 1;
}

/* ========================================
   Pipeline Log
   ======================================== */

.log-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-item {
  display: flex;
  gap: 12px;
  padding: 10px 14px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: 13px;
  border-left: 3px solid transparent;
}

.log-item.level-info { border-left-color: var(--color-info); }
.log-item.level-warning { border-left-color: var(--color-warning); }
.log-item.level-error { border-left-color: var(--color-danger); }
.log-item.level-success { border-left-color: var(--color-success); }

.log-time {
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.log-level {
  font-weight: 600;
  flex-shrink: 0;
  min-width: 50px;
  text-transform: uppercase;
  font-size: 11px;
}

.log-item.level-info .log-level { color: var(--color-info); }
.log-item.level-warning .log-level { color: var(--color-warning); }
.log-item.level-error .log-level { color: var(--color-danger); }
.log-item.level-success .log-level { color: var(--color-success); }

.log-msg { flex: 1; color: var(--color-text); }

/* ========================================
   Detail sections
   ======================================== */

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

.detail-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border-light);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.detail-item { }

.detail-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.detail-value {
  font-size: 14px;
  color: var(--color-text);
}

.detail-content {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  max-height: 300px;
  overflow-y: auto;
}

/* ========================================
   Checkbox
   ======================================== */

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ========================================
   Score
   ======================================== */

.score {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: 14px;
}

.score-high { color: var(--color-success); }
.score-mid { color: var(--color-warning); }
.score-low { color: var(--color-danger); }

/* ========================================
   Misc Utils
   ======================================== */

.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 12px; }
.text-bold { font-weight: 600; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .header {
    padding: 0 16px;
  }

  .page-container {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
  }

  .toolbar .search-input {
    max-width: 100%;
  }

  .modal {
    max-width: 95vw;
  }

  .header-status,
  .header-time {
    display: none;
  }

  .mobile-menu-toggle {
    display: block !important;
  }
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ========================================
   Knowledge card list
   ======================================== */

.knowledge-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.knowledge-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.knowledge-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.knowledge-checkbox {
  flex-shrink: 0;
}

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

.knowledge-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

.knowledge-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ========================================
   Approval card
   ======================================== */

.approval-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  transition: all var(--transition-fast);
}

.approval-card:hover {
  box-shadow: var(--shadow-md);
}

.approval-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.approval-title {
  font-size: 16px;
  font-weight: 600;
}

.approval-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.approval-field { }

.approval-field-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.approval-field-value {
  font-size: 14px;
  color: var(--color-text);
}

.approval-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

/* ========================================
   Tenant card
   ======================================== */

.tenant-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
}

.tenant-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.tenant-name {
  font-size: 16px;
  font-weight: 600;
}

.tenant-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.tag-input-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 38px;
  background: var(--color-surface);
  cursor: text;
}

.tag-input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.tag-input-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.tag-input-tag .tag-remove {
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  opacity: 0.6;
}

.tag-input-tag .tag-remove:hover {
  opacity: 1;
}

.tag-input-wrapper input {
  border: none;
  outline: none;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text);
  min-width: 100px;
  flex: 1;
  background: transparent;
}

/* Export card checkbox */
.export-select-all {
  padding: 10px 0;
  margin-bottom: 12px;
}

/* ========================================
   Auth Screen — 登录 / 注册
   ======================================== */
.auth-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #0ea5e9 100%);
  z-index: 1000;
  padding: 20px;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.35);
  padding: 36px 32px;
}
.auth-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.auth-logo {
  font-size: 30px;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light);
  border-radius: 14px;
}
.auth-title { font-size: 22px; font-weight: 700; color: var(--color-text); }
.auth-sub { font-size: 13px; color: var(--color-text-secondary); margin-top: 2px; }
.auth-tabs {
  display: flex;
  background: var(--color-bg);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 22px;
}
.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.auth-tab.active {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
}
.auth-form { display: block; }
.auth-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: 14px 0 6px;
}
.auth-input {
  width: 100%;
  padding: 11px 13px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  outline: none;
  font-family: inherit;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}
.auth-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.auth-submit {
  width: 100%;
  margin-top: 22px;
  padding: 12px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.15s;
  letter-spacing: 2px;
}
.auth-submit:hover { background: var(--color-primary-hover); }
.auth-error {
  color: var(--color-danger);
  font-size: 13px;
  margin-top: 12px;
  min-height: 18px;
}
.auth-hint {
  margin-top: 18px;
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
}
.auth-hint b { color: var(--color-text-secondary); }

/* ========================================
   Sidebar User Block
   ======================================== */
.sidebar-user {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--color-border);
}
.user-avatar {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light);
  border-radius: 50%;
  font-size: 18px;
  flex-shrink: 0;
}
.user-meta { display: flex; flex-direction: column; line-height: 1.3; overflow: hidden; }
.user-name { font-size: 14px; font-weight: 600; color: var(--color-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 12px; color: var(--color-text-muted); }
.user-logout {
  margin-left: auto;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: all 0.15s;
}
.user-logout:hover { background: var(--color-danger-light); color: var(--color-danger); }