:root {
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f2e;
  --bg-tertiary: #242b3d;
  --bg-card: #1e2433;
  --border-color: #2d3548;
  --text-primary: #f0f2f5;
  --text-secondary: #8b95a5;
  --text-muted: #5c6370;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-bg: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.page { min-height: 100vh; }

/* ===== 登录页面 ===== */
.login-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.login-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-bg);
  overflow: hidden;
}

.visual-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, var(--accent-glow) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
  animation: pulse 8s ease-in-out infinite;
}

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

.visual-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px;
}

.logo-large {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px var(--accent-glow);
}

.logo-large .mdi { font-size: 48px; color: white; }

.visual-content h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.visual-content > p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.visual-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}

.feature .mdi {
  font-size: 22px;
  color: var(--accent);
}

.login-form-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--bg-secondary);
}

.login-box {
  width: 100%;
  max-width: 400px;
}

.login-header {
  margin-bottom: 32px;
}

.login-header h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.login-header p {
  color: var(--text-secondary);
}

.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-field label .mdi { font-size: 18px; }

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.btn-login {
  width: 100%;
  padding: 16px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-login .mdi { font-size: 20px; }

.error-msg {
  color: var(--danger);
  font-size: 14px;
  margin-top: 16px;
  text-align: center;
}

.login-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ===== 主布局 ===== */
#main-page {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* ===== 侧边栏 ===== */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
}

.logo .mdi {
  font-size: 28px;
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.nav-item .mdi { font-size: 22px; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar .mdi { font-size: 20px; color: white; }

.user-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.user-info span:first-child {
  font-weight: 600;
  font-size: 14px;
}

.user-role {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-icon {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

/* ===== 主内容区 ===== */
.main-content {
  padding: 32px;
  background: var(--bg-primary);
  overflow-y: auto;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

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

.btn-back {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-back:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.btn-back .mdi { font-size: 22px; }

.header-left h1 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 26px;
  font-weight: 700;
}

.header-left h1 .mdi {
  font-size: 28px;
  color: var(--accent);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--accent-glow);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--accent);
}

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

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.btn-danger:hover {
  background: var(--danger);
  color: white;
}

.btn-block { width: 100%; justify-content: center; }

.btn-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.btn-icon-danger:hover {
  background: var(--danger);
  border-color: var(--danger);
}

.btn-icon .mdi { font-size: 18px; }

/* ===== 卡片 ===== */
.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-width: 280px;
}

.search-box .mdi {
  font-size: 20px;
  color: var(--text-muted);
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
}

.select-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-width: 220px;
}

.select-wrapper .mdi {
  font-size: 20px;
  color: var(--accent);
}

.select-wrapper select {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
}

.select-wrapper select option {
  background: var(--bg-secondary);
}

.action-group {
  display: flex;
  gap: 12px;
}

/* ===== 数据网格 ===== */
.data-grid {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.grid-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.grid-item:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.item-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
}

.item-icon .mdi {
  font-size: 22px;
  color: var(--accent);
}

.item-info { flex: 1; }

.item-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.item-info h3 .mdi {
  font-size: 20px;
  color: var(--accent);
}

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

.item-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
}

.item-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.item-actions {
  display: flex;
  gap: 10px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .mdi {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* ===== 对话测试 ===== */
.chat-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  height: calc(100vh - 180px);
}

.chat-sidebar-panel,
.chat-main-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header,
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.panel-header .mdi,
.chat-header .mdi {
  font-size: 22px;
  color: var(--accent);
}

.panel-header h3,
.chat-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.panel-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-results {
  flex: 1;
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
}

.results-header {
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#search-results {
  padding: 0 20px 20px;
}

.search-result {
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border-left: 3px solid var(--accent);
}

.result-item {
  padding: 14px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 3px solid var(--accent);
}

.result-content {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-score {
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
  margin-left: 12px;
  white-space: nowrap;
}

.search-result-text {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-score {
  font-size: 12px;
  color: var(--success);
  font-weight: 600;
}

.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.chat-welcome {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.chat-welcome .mdi {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.message {
  max-width: 80%;
  margin-bottom: 16px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.message.user {
  margin-left: auto;
}

.message-content {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.6;
}

.message-bubble {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.6;
}

.message.user .message-content,
.message.user .message-bubble {
  background: var(--gradient-primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.assistant .message-content,
.message.assistant .message-bubble {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

.message-bubble.error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

.chat-input-area {
  display: flex;
  gap: 12px;
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.chat-input-area textarea {
  flex: 1;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  resize: none;
  outline: none;
  transition: var(--transition);
}

.chat-input-area textarea:focus {
  border-color: var(--accent);
}

.btn-send {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-send:hover {
  transform: scale(1.05);
}

.btn-send .mdi { font-size: 22px; }

/* ===== 用户管理 ===== */
.user-item {
  flex-wrap: wrap;
}

.user-datasets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.user-datasets .tag {
  padding: 4px 10px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 12px;
  color: var(--accent);
}

/* ===== 模态框 ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(90vh - 80px);
}

.modal-body .form-field {
  margin-bottom: 20px;
}

.modal-body .form-field textarea {
  min-height: 400px;
  resize: vertical;
}

.modal-body .form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

/* ===== 数据列表 ===== */
.data-list {
  max-height: 400px;
  overflow-y: auto;
}

.data-list-page {
  padding: 24px;
}

.data-item {
  padding: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.data-item:hover {
  border-color: var(--accent);
}

.data-item-content {
  flex: 1;
  min-width: 0;
}

.data-item-text {
  white-space: pre-wrap;
  line-height: 1.6;
}

.data-item-q {
  font-weight: 500;
  margin-bottom: 10px;
  white-space: pre-wrap;
  line-height: 1.6;
}

.data-item-q strong,
.data-item-a strong {
  color: var(--accent);
  margin-right: 8px;
}

.data-item-a {
  color: var(--text-secondary);
  font-size: 14px;
  white-space: pre-wrap;
  line-height: 1.6;
}

.data-item-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.grid-item.clickable {
  cursor: pointer;
}

.grid-item.clickable:hover {
  transform: translateY(-2px);
}

/* ===== Toast ===== */
#toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toastIn 0.3s ease;
  min-width: 280px;
}

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

.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-error { border-left: 4px solid var(--danger); }
.toast.toast-info { border-left: 4px solid var(--accent); }
.toast.toast-success .mdi { color: var(--success); }
.toast.toast-error .mdi { color: var(--danger); }
.toast.toast-info .mdi { color: var(--accent); }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.success .mdi { color: var(--success); }
.toast.error .mdi { color: var(--danger); }
.toast .mdi { font-size: 22px; }

.toast.show { opacity: 1; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .login-container { grid-template-columns: 1fr; }
  .login-visual { display: none; }
  #main-page { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: -260px;
    z-index: 100;
    transition: var(--transition);
  }
  .sidebar.open { left: 0; }
  .chat-layout { grid-template-columns: 1fr; }
  .chat-sidebar-panel { display: none; }
}