/* ============================================
   DentaCare v4 — AI Asistent Module
   ============================================ */

.dc-ai-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--dc-space-3);
  height: calc(100vh - 56px - 40px - 60px);
  min-height: 540px;
}

@media (max-width: 968px) {
  .dc-ai-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .dc-ai-sidebar { display: none; }
}

/* === SIDEBAR === */
.dc-ai-sidebar {
  background: var(--dc-bg-surface);
  border: 1px solid var(--dc-border-subtle);
  border-radius: var(--dc-radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dc-ai-sidebar-header {
  padding: var(--dc-space-3) var(--dc-space-4);
  border-bottom: 1px solid var(--dc-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dc-ai-sidebar-title {
  font-size: var(--dc-text-sm);
  font-weight: var(--dc-weight-semibold);
  color: var(--dc-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dc-ai-sidebar-new {
  width: 26px;
  height: 26px;
  border-radius: var(--dc-radius-md);
  border: 1px solid var(--dc-border-default);
  background: var(--dc-bg-surface);
  color: var(--dc-brand-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dc-transition-fast);
}

.dc-ai-sidebar-new:hover {
  background: var(--dc-brand-50);
}

.dc-ai-conversations {
  flex: 1;
  overflow-y: auto;
  padding: var(--dc-space-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dc-ai-conv {
  padding: 10px 12px;
  border-radius: var(--dc-radius-md);
  cursor: pointer;
  transition: background var(--dc-transition-fast);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dc-ai-conv:hover {
  background: var(--dc-bg-hover);
}

.dc-ai-conv.is-active {
  background: var(--dc-brand-50);
  border-left: 2px solid var(--dc-brand-600);
  padding-left: 10px;
}

.dc-ai-conv-title {
  font-size: var(--dc-text-base);
  font-weight: var(--dc-weight-medium);
  color: var(--dc-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dc-ai-conv-meta {
  font-size: 10px;
  color: var(--dc-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dc-ai-conv-empty {
  padding: var(--dc-space-6) var(--dc-space-3);
  text-align: center;
  color: var(--dc-text-tertiary);
  font-size: var(--dc-text-sm);
}

/* === CHAT MAIN === */
.dc-ai-main {
  background: var(--dc-bg-surface);
  border: 1px solid var(--dc-border-subtle);
  border-radius: var(--dc-radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Top bar with patient selector + status */
.dc-ai-topbar {
  padding: var(--dc-space-3) var(--dc-space-4);
  border-bottom: 1px solid var(--dc-border-subtle);
  display: flex;
  align-items: center;
  gap: var(--dc-space-3);
  flex-wrap: wrap;
}

.dc-ai-patient-pick {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.dc-ai-patient-input {
  width: 100%;
  padding: 6px 10px 6px 32px;
  font-size: var(--dc-text-sm);
  background: var(--dc-bg-muted);
  border: 1px solid transparent;
  border-radius: var(--dc-radius-md);
}

.dc-ai-patient-input:focus {
  outline: none;
  background: var(--dc-bg-surface);
  border-color: var(--dc-border-focus);
  box-shadow: var(--dc-focus-ring);
}

.dc-ai-patient-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dc-text-tertiary);
  pointer-events: none;
}

.dc-ai-patient-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--dc-bg-surface);
  border: 1px solid var(--dc-border-subtle);
  border-radius: var(--dc-radius-md);
  box-shadow: var(--dc-shadow-lg);
  max-height: 240px;
  overflow-y: auto;
  z-index: 10;
}

.dc-ai-patient-result {
  padding: 8px 12px;
  cursor: pointer;
  transition: background var(--dc-transition-fast);
}

.dc-ai-patient-result:hover {
  background: var(--dc-bg-hover);
}

.dc-ai-patient-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  background: var(--dc-brand-50);
  border: 1px solid var(--dc-brand-200);
  border-radius: 999px;
  font-size: var(--dc-text-sm);
  color: var(--dc-brand-700);
  cursor: pointer;
}

.dc-ai-patient-pill-clear {
  background: transparent;
  border: none;
  color: var(--dc-brand-700);
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
  opacity: 0.7;
}

.dc-ai-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--dc-text-xs);
  color: var(--dc-text-tertiary);
  padding: 4px 8px;
  background: var(--dc-bg-muted);
  border-radius: 999px;
}

/* === QUICK ACTIONS === */
.dc-ai-quick-actions {
  padding: var(--dc-space-3) var(--dc-space-4);
  border-bottom: 1px solid var(--dc-border-subtle);
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.dc-ai-quick-action {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--dc-bg-surface);
  border: 1px solid var(--dc-border-default);
  border-radius: var(--dc-radius-md);
  color: var(--dc-text-primary);
  cursor: pointer;
  font-size: var(--dc-text-sm);
  font-weight: var(--dc-weight-medium);
  white-space: nowrap;
  transition: all var(--dc-transition-fast);
  flex-shrink: 0;
}

.dc-ai-quick-action:hover:not(:disabled) {
  background: var(--dc-bg-hover);
  border-color: var(--dc-brand-500);
}

.dc-ai-quick-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dc-ai-quick-action svg {
  width: 14px;
  height: 14px;
  color: var(--dc-brand-600);
}

/* === MESSAGES === */
.dc-ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--dc-space-4) var(--dc-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--dc-space-4);
}

.dc-ai-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: var(--dc-space-6);
}

.dc-ai-empty-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--dc-brand-600), var(--dc-brand-700));
  border-radius: var(--dc-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dc-text-inverse);
  margin-bottom: var(--dc-space-3);
  box-shadow: var(--dc-shadow-lg);
}

.dc-ai-empty-title {
  font-size: var(--dc-text-lg);
  font-weight: var(--dc-weight-semibold);
  color: var(--dc-text-primary);
  margin-bottom: 4px;
}

.dc-ai-empty-subtitle {
  font-size: var(--dc-text-sm);
  color: var(--dc-text-secondary);
  max-width: 380px;
  line-height: var(--dc-leading-relaxed);
}

.dc-ai-suggestions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--dc-space-2);
  margin-top: var(--dc-space-4);
  max-width: 480px;
}

@media (max-width: 640px) {
  .dc-ai-suggestions { grid-template-columns: 1fr; }
}

.dc-ai-suggestion {
  padding: 10px 12px;
  background: var(--dc-bg-muted);
  border: 1px solid var(--dc-border-subtle);
  border-radius: var(--dc-radius-md);
  font-size: var(--dc-text-sm);
  color: var(--dc-text-secondary);
  cursor: pointer;
  text-align: left;
  transition: all var(--dc-transition-fast);
}

.dc-ai-suggestion:hover {
  background: var(--dc-bg-hover);
  border-color: var(--dc-brand-500);
  color: var(--dc-text-primary);
}

/* Message */
.dc-ai-msg {
  display: flex;
  gap: 10px;
  max-width: 100%;
}

.dc-ai-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--dc-radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: var(--dc-weight-semibold);
  color: var(--dc-text-inverse);
}

.dc-ai-msg--user .dc-ai-msg-avatar {
  background: var(--dc-neutral-700);
}

.dc-ai-msg--assistant .dc-ai-msg-avatar {
  background: linear-gradient(135deg, var(--dc-brand-600), var(--dc-brand-700));
}

.dc-ai-msg-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dc-ai-msg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--dc-text-xs);
}

.dc-ai-msg-author {
  font-weight: var(--dc-weight-semibold);
  color: var(--dc-text-primary);
}

.dc-ai-msg-time {
  color: var(--dc-text-tertiary);
}

.dc-ai-msg-content {
  font-size: var(--dc-text-base);
  color: var(--dc-text-primary);
  line-height: var(--dc-leading-relaxed);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.dc-ai-msg-content h3 {
  font-size: var(--dc-text-md);
  font-weight: var(--dc-weight-semibold);
  margin: 12px 0 6px;
  color: var(--dc-text-primary);
}

.dc-ai-msg-content ul, .dc-ai-msg-content ol {
  margin: 6px 0 6px 18px;
}

.dc-ai-msg-content li { margin: 2px 0; }

.dc-ai-msg-content strong {
  color: var(--dc-text-primary);
  font-weight: var(--dc-weight-semibold);
}

.dc-ai-msg-content code {
  font-family: var(--dc-font-mono);
  font-size: 12px;
  background: var(--dc-bg-muted);
  padding: 1px 5px;
  border-radius: 3px;
}

.dc-ai-msg-content .dc-allergy-warn {
  background: var(--dc-danger-50);
  border-left: 3px solid var(--dc-danger-600);
  padding: 8px 12px;
  border-radius: var(--dc-radius-sm);
  margin: 8px 0;
  font-size: var(--dc-text-sm);
  color: var(--dc-danger-700);
}

.dc-ai-msg-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  opacity: 0;
  transition: opacity var(--dc-transition-fast);
}

.dc-ai-msg:hover .dc-ai-msg-actions {
  opacity: 1;
}

.dc-ai-msg-action {
  padding: 4px 8px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--dc-border-default);
  border-radius: var(--dc-radius-sm);
  color: var(--dc-text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--dc-transition-fast);
}

.dc-ai-msg-action:hover {
  background: var(--dc-bg-hover);
  color: var(--dc-text-primary);
}

/* Streaming indicator */
.dc-ai-typing {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 16px;
}

.dc-ai-typing-dot {
  width: 6px;
  height: 6px;
  background: var(--dc-brand-500);
  border-radius: 50%;
  animation: dc-typing 1.4s ease-in-out infinite;
}

.dc-ai-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.dc-ai-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dc-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.dc-ai-msg-content::after {
  content: '▊';
  display: none;
  color: var(--dc-brand-500);
  margin-left: 2px;
  animation: dc-cursor 1s ease-in-out infinite;
}

.dc-ai-msg.is-streaming .dc-ai-msg-content::after {
  display: inline;
}

@keyframes dc-cursor {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* === COMPOSER === */
.dc-ai-composer {
  border-top: 1px solid var(--dc-border-subtle);
  padding: var(--dc-space-3) var(--dc-space-4);
  background: var(--dc-bg-surface);
}

.dc-ai-composer-wrap {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--dc-bg-muted);
  border: 1px solid var(--dc-border-default);
  border-radius: var(--dc-radius-lg);
  padding: 8px 8px 8px 12px;
  transition: border-color var(--dc-transition-fast);
}

.dc-ai-composer-wrap:focus-within {
  border-color: var(--dc-brand-500);
  background: var(--dc-bg-surface);
  box-shadow: var(--dc-focus-ring);
}

.dc-ai-composer-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: var(--dc-text-base);
  font-family: inherit;
  color: var(--dc-text-primary);
  resize: none;
  max-height: 200px;
  min-height: 22px;
  line-height: var(--dc-leading-normal);
  padding: 4px 0;
}

.dc-ai-composer-input:focus { outline: none; }

.dc-ai-composer-send {
  width: 32px;
  height: 32px;
  border-radius: var(--dc-radius-md);
  background: var(--dc-brand-600);
  color: var(--dc-text-inverse);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dc-transition-fast);
  flex-shrink: 0;
}

.dc-ai-composer-send:hover:not(:disabled) {
  background: var(--dc-brand-700);
}

.dc-ai-composer-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.dc-ai-composer-hint {
  margin-top: 6px;
  font-size: 10px;
  color: var(--dc-text-tertiary);
  text-align: center;
}