/* 
 * Neural Visualizer - Oldskool Wireframe Design
 * Dark theme with green accent wireframe aesthetic
 */

/* ============================================================================
   Container & Scene
   ============================================================================ */

.container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 500px;
  background: var(--bg-primary);
  overflow: hidden;
}

.scene {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

/* ============================================================================
   Top Toolbar
   ============================================================================ */

.topToolbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: linear-gradient(180deg, var(--bg-primary) 0%, transparent 100%);
  z-index: 20;
  border-bottom: 1px dashed var(--border-dim);
}

.modelInfo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.modelIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--border-primary);
  color: var(--accent-primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.15s ease;
}

.modelIcon:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
}

.modelName {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.savedBadge {
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.toolbarActions {
  display: flex;
  gap: var(--space-sm);
}

.toolbarBtn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--border-secondary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.toolbarBtn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-dim);
}

.toolbarBtn:active {
  transform: scale(0.98);
}

.toolbarBtn .icon {
  font-size: 12px;
  opacity: 0.8;
}

.uploadBtn {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.uploadBtn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* ============================================================================
   Loading State
   ============================================================================ */

.loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  color: var(--text-primary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-secondary);
  border-top-color: var(--accent-primary);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================================
   Error State
   ============================================================================ */

.error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  border: 1px solid var(--error);
  text-align: center;
  max-width: 400px;
}

.errorIcon {
  font-size: 11px;
  font-weight: 600;
  color: var(--error);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.error h3 {
  margin: 0;
  color: var(--error);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.error p {
  margin: 0;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1.6;
}

/* ============================================================================
   Empty State
   ============================================================================ */

.empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.emptyIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  border: 1px dashed var(--border-primary);
  position: relative;
}

.emptyIcon::before {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  border: 1px solid var(--accent-primary);
  animation: pulse-glow 2s ease-in-out infinite;
}

.emptyIcon::after {
  content: 'NN';
  color: var(--accent-primary);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 4px;
}

.empty h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.empty p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.supportedFormats {
  margin-top: var(--space-sm);
  padding: var(--space-md);
  border: 1px dashed var(--border-secondary);
}

.supportedFormats span {
  color: var(--text-primary);
  font-size: 11px;
  letter-spacing: 0.5px;
}

.savedModelsBtn {
  margin-top: var(--space-lg);
  padding: 12px 24px;
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.savedModelsBtn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* ============================================================================
   Stats Bar
   ============================================================================ */

.statsBar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
  border-top: 1px dashed var(--border-dim);
  z-index: 10;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.statLabel {
  font-size: 9px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.statValue {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.5px;
}

/* ============================================================================
   Camera Controls Panel
   ============================================================================ */

.cameraControls {
  position: absolute;
  bottom: 60px;
  right: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  z-index: 10;
}

.controlTitle {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px dashed var(--border-dim);
}

.viewButtons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xs);
}

.viewBtn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--border-secondary);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.viewBtn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-dim);
}

.viewBtn:active {
  transform: scale(0.95);
}

.viewBtn .icon {
  font-size: 14px;
  line-height: 1;
}

.resetBtn {
  width: 100%;
  padding: 8px 12px;
  margin-top: var(--space-xs);
  background: transparent;
  border: 1px dashed var(--border-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.resetBtn:hover {
  border-style: solid;
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ============================================================================
   Controls Panel
   ============================================================================ */

.controls {
  position: absolute;
  top: 60px;
  left: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  min-width: 150px;
  z-index: 10;
}

.toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  color: var(--text-primary);
  font-size: 11px;
  transition: color 0.15s ease;
}

.toggle:hover {
  color: var(--accent-primary);
}

.toggle span {
  user-select: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.navigationSection {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--border-dim);
}

.navHint {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  border: 1px dashed var(--border-dim);
  font-size: 10px;
  color: var(--text-primary);
  line-height: 1.6;
}

.navIcon {
  font-size: 12px;
  flex-shrink: 0;
  color: var(--text-tertiary);
}

.navHint strong {
  color: var(--text-primary);
}

.shortcutsSection {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--border-dim);
}

.shortcut {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 10px;
  color: var(--text-primary);
  margin: 4px 0;
}

.shortcut kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  padding: 2px 6px;
  background: transparent;
  border: 1px solid var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--accent-primary);
}

/* ============================================================================
   Detail Panel
   ============================================================================ */

.detailPanel {
  position: absolute;
  top: 60px;
  right: var(--space-md);
  width: 280px;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  color: var(--text-primary);
  z-index: 15;
  animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.closeBtn {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-secondary);
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.closeBtn:hover {
  border-color: var(--error);
  color: var(--error);
}

.detailTitle {
  margin: 0 0 var(--space-sm) 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  word-break: break-word;
  padding-right: var(--space-xl);
}

.detailBadge {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--accent-primary);
  font-size: 9px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-md);
  color: var(--accent-primary);
}

.detailBadge[data-category="convolution"] {
  border-color: #4A90D9;
  color: #4A90D9;
}

.detailBadge[data-category="pooling"] {
  border-color: #E57373;
  color: #E57373;
}

.detailBadge[data-category="linear"] {
  border-color: #7CB342;
  color: #7CB342;
}

.detailBadge[data-category="normalization"] {
  border-color: #FFB74D;
  color: #FFB74D;
}

.detailBadge[data-category="activation"] {
  border-color: #BA68C8;
  color: #BA68C8;
}

.detailBadge[data-category="dropout"] {
  border-color: #78909C;
  color: #78909C;
}

.detailBadge[data-category="attention"] {
  border-color: #4FC3F7;
  color: #4FC3F7;
}

.detailBadge[data-category="recurrent"] {
  border-color: #FF8A65;
  color: #FF8A65;
}

.detailBadge[data-category="embedding"] {
  border-color: #AED581;
  color: #AED581;
}

.detailBadge[data-category="input"],
.detailBadge[data-category="output"] {
  border-color: #90CAF9;
  color: #90CAF9;
}

.detailSection {
  margin-bottom: var(--space-md);
}

.detailLabel {
  font-size: 9px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.detailValue {
  font-size: 12px;
  color: var(--text-primary);
}

.configTable {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.configRow {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: 1px dashed var(--border-dim);
}

.configKey {
  font-size: 10px;
  color: var(--text-primary);
  flex-shrink: 0;
}

.configValue {
  font-size: 10px;
  color: var(--accent-primary);
  text-align: right;
  word-break: break-all;
}

/* ============================================================================
   Responsive
   ============================================================================ */

@media (max-width: 768px) {
  .statsBar {
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    flex-wrap: wrap;
  }
  
  .stat {
    min-width: 60px;
  }
  
  .toolbarActions {
    flex-wrap: wrap;
  }
  
  .modelName {
    max-width: 120px;
  }
  
  .controls {
    display: none;
  }
  
  .cameraControls {
    bottom: 50px;
    right: var(--space-sm);
  }
}