/* ============= AI CANVAS STYLES ============= */

/* Split-screen Layout */
.ai-canvas-container {
  display: flex;
  height: calc(100vh - 120px);
  gap: 16px;
  padding: 0;
  overflow: hidden;
}

.ai-canvas-left {
  width: 35%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.ai-canvas-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Chat Panel */
.ai-canvas-chat-panel {
  flex: 1.5;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  min-height: 0;
}

.ai-canvas-chat-header {
  padding: 12px 16px;
  background: var(--panel-elev);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-canvas-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ai-canvas-chat-input-area {
  padding: 12px 16px;
  background: var(--panel-elev);
  border-top: 1px solid var(--line);
  display: flex;
  gap: 8px;
  align-items: center;
}

.ai-canvas-input {
  flex: 1;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
}

.ai-canvas-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(122, 183, 255, 0.1);
}

.ai-canvas-input::placeholder {
  color: var(--ink-muted);
}

/* Quick Actions */
.ai-canvas-quick-actions {
  padding: 6px 16px 8px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  background: var(--panel);
}

/* Database Explorer */
.ai-canvas-db-explorer {
  height: 280px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ai-canvas-db-header {
  padding: 12px 16px;
  background: var(--panel-elev);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.ai-canvas-db-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.ai-canvas-db-collapsed .ai-canvas-db-content {
  display: none;
}

.db-category {
  margin-bottom: 8px;
}

.db-category-header {
  padding: 8px 12px;
  background: var(--panel-elev);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  transition: all 0.2s;
}

.db-category-header:hover {
  background: var(--bg);
}

.db-category-icon {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.db-category-toggle {
  margin-left: auto;
  width: 14px;
  height: 14px;
  color: var(--ink-muted);
  transition: transform 0.2s;
}

.db-category.collapsed .db-category-toggle {
  transform: rotate(-90deg);
}

.db-fields {
  padding: 4px 0 4px 32px;
  display: none;
}

.db-category:not(.collapsed) .db-fields {
  display: block;
}

.db-field {
  padding: 6px 12px;
  margin: 2px 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  color: var(--ink);
  cursor: grab;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.db-field:hover {
  background: var(--panel-elev);
  border-color: var(--accent);
  transform: translateX(2px);
}

.db-field:active {
  cursor: grabbing;
}

.db-field-name {
  font-weight: 600;
  color: var(--accent);
}

.db-field-type {
  font-size: 10px;
  color: var(--ink-muted);
  background: var(--panel-elev);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: auto;
}

/* Agent Activity Feed */
.ai-canvas-agent-activity {
  height: 200px;
  overflow-y: auto;
  padding: 12px;
}

.agent-activity-item {
  animation: slideIn 0.3s ease;
}

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

/* Canvas Area */
.ai-canvas-workspace {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ai-canvas-toolbar {
  padding: 12px 16px;
  background: var(--panel-elev);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-canvas-area {
  flex: 1;
  position: relative;
  overflow: auto;
  background: var(--bg);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Canvas Panels */
.ai-canvas-panel {
  transition: box-shadow 0.2s;
}

.ai-canvas-panel:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2) !important;
}

.ai-canvas-panel-header {
  position: relative;
}

.ai-canvas-panel-header:hover {
  background: var(--bg);
}

.panel-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  transition: all 0.2s;
}

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

.panel-btn-delete:hover {
  border-color: var(--bad);
  color: var(--bad);
  background: rgba(255, 68, 68, 0.1);
}

.ai-canvas-panel-content::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.ai-canvas-panel-content::-webkit-scrollbar-track {
  background: var(--bg);
}

.ai-canvas-panel-content::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

.ai-canvas-panel-content::-webkit-scrollbar-thumb:hover {
  background: var(--ink-muted);
}

.ai-canvas-panel-resize:hover {
  opacity: 1 !important;
}

/* Template Picker Modal */
.ai-canvas-template-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

.ai-canvas-template-content {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  width: 90%;
  max-width: 900px;
  max-height: 80vh;
  overflow: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.ai-canvas-template-header {
  padding: 24px;
  background: var(--panel-elev);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-canvas-template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 24px;
}

.template-card {
  background: var(--panel-elev);
  border: 2px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.template-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(122, 183, 255, 0.2);
  transform: translateY(-2px);
}

.template-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 12px;
  margin-bottom: 12px;
}

.template-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.template-card-description {
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.6;
}

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

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes panelFadeOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

/* Thinking Dots Animation */
.thinking-dots {
  display: inline-flex;
  gap: 2px;
}

.thinking-dots span {
  animation: blink 1.4s infinite both;
}

.thinking-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.thinking-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0%, 80%, 100% {
    opacity: 0.3;
  }
  40% {
    opacity: 1;
  }
}

/* Voice Button States */
.ai-canvas-voice-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  background: var(--panel-elev);
  border: 1px solid var(--line);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

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

.ai-canvas-voice-btn.listening {
  background: var(--bad);
  border-color: var(--bad);
  color: white;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.7);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 68, 68, 0);
  }
}

/* Scrollbar Styling */
.ai-canvas-chat-messages::-webkit-scrollbar,
.ai-canvas-db-content::-webkit-scrollbar,
.ai-canvas-area::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.ai-canvas-chat-messages::-webkit-scrollbar-track,
.ai-canvas-db-content::-webkit-scrollbar-track,
.ai-canvas-area::-webkit-scrollbar-track {
  background: var(--bg);
}

.ai-canvas-chat-messages::-webkit-scrollbar-thumb,
.ai-canvas-db-content::-webkit-scrollbar-thumb,
.ai-canvas-area::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

.ai-canvas-chat-messages::-webkit-scrollbar-thumb:hover,
.ai-canvas-db-content::-webkit-scrollbar-thumb:hover,
.ai-canvas-area::-webkit-scrollbar-thumb:hover {
  background: var(--ink-muted);
}

/* Empty State */
.ai-canvas-empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  max-width: 500px;
  padding: 40px;
}

.ai-canvas-empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  opacity: 0.3;
}

.ai-canvas-empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.ai-canvas-empty-description {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 1200px) {
  .ai-canvas-container {
    flex-direction: column;
  }
  
  .ai-canvas-left {
    width: 100%;
    height: 400px;
    flex-direction: row;
  }
  
  .ai-canvas-chat-panel {
    width: 60%;
  }
  
  .ai-canvas-db-explorer {
    width: 40%;
    height: auto;
  }
}