/* CephaloTrain AI Studio - Medical Imaging & Local AI Workbench Styles */
:root {
  --bg-primary: #070b14;
  --bg-secondary: #0f1626;
  --bg-tertiary: #162035;
  --bg-card: rgba(18, 26, 45, 0.85);
  --border-color: rgba(100, 130, 180, 0.2);
  --border-highlight: rgba(0, 242, 254, 0.45);
  --text-primary: #f0f6fc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-green: #10b981;
  --accent-emerald: #38ef7d;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Top Header Bar */
.top-navbar {
  height: 62px;
  background: linear-gradient(90deg, #0b1120 0%, #111a2e 100%);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
  z-index: 20;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: #050811;
  box-shadow: 0 0 18px rgba(0, 242, 254, 0.35);
}

.brand-title h1 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
  background: rgba(0, 242, 254, 0.14);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.brand-subtitle {
  font-size: 11.5px;
  color: var(--text-secondary);
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 6px;
  background: rgba(7, 11, 20, 0.65);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-tab.active {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.18), rgba(79, 172, 254, 0.18));
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.35);
  box-shadow: 0 2px 10px rgba(0, 242, 254, 0.12);
}

/* Hardware & Status Telemetry Strip */
.status-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hw-chip {
  font-size: 11.5px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.status-dot.warn {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}

/* Main Workspace Container */
.workspace-container {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.tab-pane {
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.tab-pane.active {
  display: flex;
}

/* Split Layout */
.sidebar-left {
  width: 330px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.center-stage {
  flex: 1;
  background: #05080f;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.sidebar-right {
  width: 370px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.panel-header {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(22, 32, 53, 0.55);
}

.panel-header h2 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-primary);
}

.panel-body {
  padding: 14px;
  overflow-y: auto;
  flex: 1;
}

/* Buttons & Inputs */
.btn {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.18s ease;
}

.btn:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
}

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

.btn-primary {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
  border-color: rgba(0, 242, 254, 0.5);
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.12);
  box-shadow: 0 0 14px rgba(0, 198, 255, 0.35);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border-color: rgba(56, 239, 125, 0.5);
  color: #fff;
}

.btn-purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  border-color: rgba(139, 92, 246, 0.5);
  color: #fff;
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.4);
  color: #fda4af;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11.5px;
}

.input-control, .select-control {
  width: 100%;
  padding: 8px 11px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12.5px;
}

.input-control:focus, .select-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

/* Dataset Item List Cards */
.dataset-filters {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(7, 11, 20, 0.4);
}

.filter-btn {
  flex: 1;
  padding: 5px 8px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
}

.filter-btn.active {
  background: rgba(0, 242, 254, 0.16);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.dataset-card {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: rgba(22, 32, 53, 0.45);
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.dataset-card:hover {
  border-color: rgba(0, 242, 254, 0.4);
  background: rgba(22, 32, 53, 0.8);
}

.dataset-card.active {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  box-shadow: inset 0 0 0 1px rgba(0, 242, 254, 0.25);
}

.dataset-thumb {
  width: 64px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  background: #000;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.dataset-meta {
  flex: 1;
  min-width: 0;
}

.dataset-title {
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.dataset-badges {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.split-tag {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 4px;
}

.split-train { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.split-val   { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.split-test  { background: rgba(139, 92, 246, 0.2); color: #c4b5fd; border: 1px solid rgba(139, 92, 246, 0.4); }
.split-aug   { background: rgba(0, 242, 254, 0.15); color: #67e8f9; border: 1px solid rgba(0, 242, 254, 0.35); }

/* Canvas Toolbar & Viewport */
.canvas-toolbar {
  height: 48px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  gap: 10px;
  flex-shrink: 0;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.canvas-viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(circle at center, #0d1526 0%, #05080f 100%);
}

canvas.xray-canvas {
  max-width: 96%;
  max-height: 94%;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.75);
  border: 1px solid var(--border-color);
  cursor: crosshair;
}

/* Landmark Grid List */
.landmark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.lm-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 20, 0.55);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 11.5px;
}

.lm-item:hover {
  border-color: var(--accent-cyan);
}

.lm-item.active {
  background: rgba(0, 242, 254, 0.16);
  border-color: var(--accent-cyan);
}

.lm-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.lm-coords {
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 10.5px;
  color: var(--text-secondary);
}

/* Clinical Metrics Table */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.metric-box {
  background: rgba(7, 11, 20, 0.65);
  border: 1px solid var(--border-color);
  padding: 9px 11px;
  border-radius: var(--radius-sm);
}

.metric-label {
  font-size: 11px;
  color: var(--text-secondary);
}

.metric-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-top: 2px;
}

.metric-sub {
  font-size: 10.5px;
  color: var(--text-muted);
}

/* Training Studio Layout */
.training-dashboard {
  display: grid;
  grid-template-columns: 380px 1fr 380px;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.form-group {
  margin-bottom: 13px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.progress-bar-outer {
  width: 100%;
  height: 12px;
  background: var(--bg-primary);
  border-radius: 99px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar-inner {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald));
  width: 0%;
  transition: width 0.25s ease;
}

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 14px;
}

.chart-card h3 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.kpi-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
}

.kpi-card .kpi-num {
  font-size: 21px;
  font-weight: 800;
  color: var(--accent-cyan);
}

.kpi-card .kpi-title {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* Comparison Table in Test Lab */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}

.data-table th, .data-table td {
  padding: 6px 8px;
  border-bottom: 1px solid rgba(100, 130, 180, 0.14);
  text-align: left;
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 600;
  background: rgba(7, 11, 20, 0.5);
  position: sticky;
  top: 0;
}

.pass-badge {
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
}

.pass-ok { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.pass-warn { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }

.code-viewer {
  background: #05080f;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 11.5px;
  color: #cbd5e1;
  white-space: pre-wrap;
  max-height: 320px;
  overflow-y: auto;
  line-height: 1.45;
}

.toast-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #111c33;
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.65);
  z-index: 9999;
  font-size: 13px;
  display: none;
}