/* PA (Personal Assistant) — Full-page chat workspace */

.pa-container {
  display: flex;
  height: calc(100vh - 60px); /* Below nav */
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg-primary, #fff);
}

/* Chat area — left side */
.pa-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-right: 1px solid var(--border-color, #e2e8f0);
}

.pa-chat-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card-bg, #fff);
}

.pa-chat-header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary, #1e293b);
}

.pa-status {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-weight: 500;
}

.pa-status.connected {
  background: var(--success-bg, #dcfce7);
  color: var(--success-text, #166534);
}

.pa-status.disconnected {
  background: var(--error-bg, #fee2e2);
  color: var(--error-text, #991b1b);
}

.pa-status.connecting {
  background: var(--warning-bg, #fef3c7);
  color: var(--warning-text, #92400e);
}

/* Messages area */
.pa-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pa-message {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.pa-message.user {
  align-self: flex-end;
  background: var(--primary, #14b8a6);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
}

.pa-message.assistant {
  align-self: flex-start;
  background: var(--card-bg-alt, #f1f5f9);
  color: var(--text-primary, #1e293b);
  border-bottom-left-radius: 0.25rem;
}

.pa-message.system {
  align-self: center;
  background: transparent;
  color: var(--text-secondary, #64748b);
  font-size: 0.8rem;
  text-align: center;
  padding: 0.5rem;
}

.pa-message.assistant p {
  margin: 0 0 0.5rem;
}

.pa-message.assistant p:last-child {
  margin-bottom: 0;
}

.pa-message.assistant ul,
.pa-message.assistant ol {
  margin: 0.25rem 0;
  padding-left: 1.25rem;
}

.pa-message.assistant code {
  background: rgba(0, 0, 0, 0.06);
  padding: 0.1rem 0.3rem;
  border-radius: 0.25rem;
  font-size: 0.85em;
}

.pa-message.assistant strong {
  font-weight: 600;
}

/* Streaming indicator */
.pa-message.streaming::after {
  content: '▌';
  animation: pa-blink 0.8s infinite;
  color: var(--primary, #14b8a6);
}

@keyframes pa-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Progress indicator */
.pa-progress {
  font-size: 0.8rem;
  color: var(--text-secondary, #64748b);
  font-style: italic;
  padding: 0.25rem 0;
}

/* Sources */
.pa-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color, #e2e8f0);
}

.pa-source-tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.25rem;
  color: var(--text-secondary, #64748b);
}

/* Navigation suggestions */
.pa-nav-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.pa-nav-link {
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  background: var(--primary-light, #ccfbf1);
  color: var(--primary-dark, #0f766e);
  border-radius: 0.375rem;
  text-decoration: none;
  border: 1px solid var(--primary, #14b8a6);
  transition: background 0.15s;
}

.pa-nav-link:hover {
  background: var(--primary, #14b8a6);
  color: #fff;
}

/* Input bar */
.pa-input-bar {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-color, #e2e8f0);
  background: var(--card-bg, #fff);
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.pa-input-bar textarea {
  flex: 1;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  line-height: 1.4;
  background: var(--bg-primary, #fff);
  color: var(--text-primary, #1e293b);
}

.pa-input-bar textarea:focus {
  outline: none;
  border-color: var(--primary, #14b8a6);
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.15);
}

.pa-send-btn {
  padding: 0.5rem 1rem;
  background: var(--primary, #14b8a6);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.pa-send-btn:hover:not(:disabled) {
  background: var(--primary-dark, #0f766e);
}

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

/* Sidebar — right side */
.pa-sidebar {
  width: 280px;
  flex-shrink: 0;
  padding: 1rem;
  overflow-y: auto;
  background: var(--bg-secondary, #f8fafc);
}

.pa-sidebar h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.5rem;
}

.pa-sidebar-section {
  margin-bottom: 1.25rem;
}

/* Quick action cards in sidebar */
.pa-quick-actions {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.pa-quick-action {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--text-primary, #1e293b);
  font-size: 0.85rem;
  transition: border-color 0.15s, background 0.15s;
}

.pa-quick-action:hover {
  border-color: var(--primary, #14b8a6);
  background: var(--primary-light, #ccfbf1);
}

.pa-quick-action-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Suggested queries */
.pa-suggestions {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.pa-suggestion {
  padding: 0.4rem 0.6rem;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.375rem;
  font-size: 0.8rem;
  color: var(--text-primary, #1e293b);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s;
}

.pa-suggestion:hover {
  border-color: var(--primary, #14b8a6);
}

/* Mobile: hide sidebar, full-width chat */
@media (max-width: 768px) {
  .pa-container {
    flex-direction: column;
    height: calc(100vh - 60px);
  }

  .pa-sidebar {
    display: none;
    width: 100%;
    max-height: 40vh;
    border-right: none;
    border-top: 1px solid var(--border-color, #e2e8f0);
  }

  .pa-sidebar.show {
    display: block;
  }

  .pa-chat {
    border-right: none;
  }

  .pa-message {
    max-width: 92%;
  }

  .pa-sidebar-toggle {
    display: inline-flex;
  }
}

@media (min-width: 769px) {
  .pa-sidebar-toggle {
    display: none;
  }
}

.pa-sidebar-toggle {
  background: none;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 0.375rem;
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text-secondary, #64748b);
  margin-left: auto;
}