/* DeskBot Admin Dashboard Styles */

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

:root {
  --primary: #1e293b;
  --accent: #f97316;
  --surface: #ffffff;
  --text: #0f172a;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --success: #10b981;
  --error: #ef4444;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

code, pre {
  font-family: 'JetBrains Mono', monospace;
}

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

/* Sidebar */
.sidebar {
  width: 200px;
  background: var(--primary);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.nav-item:hover {
  color: white;
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: white;
  background: rgba(249, 115, 22, 0.2);
  border-left: 3px solid var(--accent);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}

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

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

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 200px;
  padding: 32px;
  max-width: 1200px;
}

#page-content {
  max-width: 1000px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

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

.back-link {
  display: block;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 8px;
}

.back-link:hover {
  text-decoration: underline;
}

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

.stat-card {
  background: var(--surface);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.conversations {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent);
}

.stat-icon.knowledge {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

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

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

/* Cards */
.card {
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

.card-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #ea580c;
}

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
}

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

/* Conversations List */
.conversations-list {
  display: flex;
  flex-direction: column;
}

.conversation-item {
  display: flex;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s;
}

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

.conversation-item:hover {
  background: var(--bg);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}

.conversation-avatar {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 14px;
  margin-right: 12px;
}

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

.conversation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.conversation-id {
  font-weight: 600;
  color: var(--text);
}

.conversation-date {
  font-size: 12px;
  color: var(--text-secondary);
}

.conversation-preview {
  color: var(--text-secondary);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}

.message-count {
  background: var(--bg);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Messages View */
.messages-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

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

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

.message-meta {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.message.user .message-meta {
  color: rgba(255, 255, 255, 0.7);
}

/* Knowledge List */
.knowledge-list {
  display: flex;
  flex-direction: column;
}

.knowledge-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

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

.knowledge-question {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  font-size: 15px;
}

.knowledge-answer {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.knowledge-actions {
  display: flex;
  gap: 8px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

/* Loading */
.loading {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

/* Embed Code Section */
.instructions {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 14px;
}

.instructions code {
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.code-block {
  background: var(--primary);
  border-radius: 8px;
  padding: 16px;
  position: relative;
  margin-bottom: 24px;
}

.code-block pre {
  color: #94a3b8;
  font-size: 13px;
  overflow-x: auto;
}

.code-block code {
  color: #f8fafc;
}

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.copy-btn.copied {
  background: var(--success);
}

.preview-section {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.preview-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.preview-section p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

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

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

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

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }

  .sidebar-header,
  .sidebar-footer {
    padding: 16px;
  }

  .logo span,
  .nav-item span,
  .status-badge span:not(.status-dot) {
    display: none;
  }

  .nav-item {
    justify-content: center;
    padding: 16px;
  }

  .main-content {
    margin-left: 60px;
    padding: 16px;
  }

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

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