/* ==============================================================================
   NeuroFramework 3D-sMRI: Research Workstation Stylesheet (Modern Light Theme)
   ============================================================================== */

:root {
  /* Color System */
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-viewport: #090d16;
  --border-subtle: #e2e8f0;
  --border-focus: #cbd5e1;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Accent Colors */
  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-primary-subtle: #eff6ff;

  --accent-teal: #0d9488;
  --accent-teal-subtle: #f0fdfa;

  --plane-axial: #0284c7;
  --plane-axial-subtle: #f0f9ff;
  --plane-coronal: #0d9488;
  --plane-coronal-subtle: #f0fdfa;
  --plane-sagittal: #6366f1;
  --plane-sagittal-subtle: #eef2ff;

  --status-asd: #dc2626;
  --status-asd-subtle: #fef2f2;
  --status-control: #059669;
  --status-control-subtle: #ecfdf5;
  --status-amber: #d97706;
  --status-amber-subtle: #fffbeb;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows & Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.03);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

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

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   Top Navigation Header
   -------------------------------------------------------------------------- */
.app-header {
  height: 64px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-left, .header-center, .header-right {
  display: flex;
  align-items: center;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 26px;
  line-height: 1;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-tech {
  font-size: 11px;
  font-weight: 700;
  background-color: var(--accent-primary-subtle);
  color: var(--accent-primary);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid #bfdbfe;
}

.badge-preview {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: #fef3c7;
  color: #92400e;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid #fde68a;
}

.brand-subtitle {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.disclaimer-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.system-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  margin-right: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--status-control);
}

.status-dot.pulsing {
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.15); }
}

.device-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  background-color: var(--text-primary);
  color: #fff;
  padding: 2px 5px;
  border-radius: 4px;
  font-weight: 700;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-focus);
}

.btn-github-app {
  display: flex;
  align-items: center;
  gap: 7px;
  background-color: #0f172a;
  color: #ffffff !important;
  border: 1px solid #1e293b;
  border-radius: var(--radius-sm);
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s ease;
  margin-left: 6px;
}

.btn-github-app:hover {
  background-color: #1e293b;
  color: #ffffff !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.btn-github-app svg {
  flex-shrink: 0;
}

/* Comparison cards for Specs Modal */
.preview-architecture-box {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
}

.specs-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}

.comparison-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.comp-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  align-self: flex-start;
}

.comp-badge.web {
  background-color: #dbeafe;
  color: #1e40af;
}

.comp-badge.full {
  background-color: #dcfce7;
  color: #15803d;
}

.comparison-card ul {
  padding-left: 16px;
  margin: 0 0 12px 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--text-secondary);
  flex-grow: 1;
}

.comparison-card li {
  margin-bottom: 4px;
}

.btn-comp-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background-color: #0f172a;
  color: #ffffff !important;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 600;
  text-decoration: none;
  margin-top: auto;
  transition: all 0.15s ease;
}

.btn-comp-link:hover {
  background-color: #1e293b;
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Workstation Main Layout
   -------------------------------------------------------------------------- */
.workstation-container {
  flex: 1;
  display: grid;
  grid-template-columns: 26% 48% 26%;
  gap: 20px;
  padding: 20px;
  max-width: 1720px;
  margin: 0 auto;
  width: 100%;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.panel-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-soft {
  font-size: 11px;
  font-weight: 600;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 9999px;
}

.badge-status {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.badge-status.active {
  background-color: var(--accent-primary-subtle);
  color: var(--accent-primary);
}

.badge-status.complete {
  background-color: var(--status-control-subtle);
  color: var(--status-control);
}

/* --------------------------------------------------------------------------
   Research Cohort Selection
   -------------------------------------------------------------------------- */
.demo-section {
  margin-top: 4px;
}

.input-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.demo-control-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-sans);
  font-weight: 500;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* --------------------------------------------------------------------------
   Original / Raw Input MRI Card (Center Panel Top)
   -------------------------------------------------------------------------- */
.raw-mri-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.raw-mri-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.raw-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.raw-card-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.raw-card-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-primary);
  background-color: var(--accent-primary-subtle);
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.raw-card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.raw-card-meta-tags {
  display: flex;
  align-items: center;
  gap: 8px;
}

.raw-meta-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: 4px;
}

.raw-meta-pill.highlight {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
  font-weight: 600;
}

.raw-card-content {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 18px;
  align-items: center;
}

.raw-img-frame {
  background-color: #0b0f19;
  border-radius: var(--radius-md);
  width: 190px;
  height: 190px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #1e293b;
  position: relative;
  box-shadow: inset 0 0 16px rgba(0, 0, 0, 0.7);
  flex-shrink: 0;
}

.raw-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.raw-empty-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px;
  text-align: center;
  color: var(--text-muted);
}

.raw-placeholder-icon {
  font-size: 28px;
  margin-bottom: 6px;
  opacity: 0.7;
}

.raw-placeholder-title {
  font-size: 12px;
  font-weight: 700;
  color: #cbd5e1;
  margin-bottom: 4px;
}

.raw-placeholder-desc {
  font-size: 10px;
  line-height: 1.4;
  color: #94a3b8;
}

.raw-card-details {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.raw-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 18px;
}

.raw-detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background-color: #f8fafc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.raw-detail-lbl {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.raw-detail-val {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.raw-detail-val.status-intact {
  color: #d97706;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #fff;
  padding: 10px 16px;
  font-size: 13px;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-primary-hover);
  transform: translateY(-1px);
}

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

.btn-secondary {
  background-color: var(--bg-subtle);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-subtle);
  color: var(--text-primary);
  padding: 9px 14px;
  font-size: 13px;
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--bg-subtle);
  border-color: var(--border-focus);
}

.btn-outline:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.full-width {
  width: 100%;
}

/* Collapsible Form */
.collapsible-section {
  margin-top: 14px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.collapsible-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  padding: 6px 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}

.collapsible-header:hover {
  color: var(--text-primary);
}

.collapsible-content {
  display: none;
  padding-top: 8px;
}

.collapsible-content.expanded {
  display: block;
}

.helper-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font-sans);
}

/* --------------------------------------------------------------------------
   Processing Pipeline Stepper
   -------------------------------------------------------------------------- */
.pipeline-stepper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  position: relative;
  transition: all 0.2s ease;
}

.step-marker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.step-content {
  flex: 1;
}

.step-title {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.step-desc {
  display: block;
  font-size: 10px;
  color: var(--text-light);
}

.step-item.active .step-marker {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.step-item.active .step-title {
  color: var(--accent-primary);
}

.step-item.complete .step-marker {
  background-color: var(--status-control);
  border-color: var(--status-control);
  color: #fff;
}

.step-item.complete .step-marker::after {
  content: '✓';
}

.step-item.complete .step-marker {
  font-size: 0;
}

.step-item.complete .step-title {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Center Viewport Stage (Radiological Workstation)
   -------------------------------------------------------------------------- */
.viewport-stage-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stage-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.stage-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.resolution-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-left: 8px;
}

.standard-grayscale-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background-color: #f1f5f9;
  border: 1px solid var(--border-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-left: 6px;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Toggle Switch */
.toggle-control {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.toggle-control input {
  display: none;
}

.toggle-slider {
  width: 36px;
  height: 20px;
  background-color: #cbd5e1;
  border-radius: 9999px;
  position: relative;
  transition: background-color 0.2s ease;
}

.toggle-slider::after {
  content: '';
  width: 16px;
  height: 16px;
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.2s ease;
}

.toggle-control input:checked + .toggle-slider {
  background-color: var(--status-amber);
}

.toggle-control input:checked + .toggle-slider::after {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* 3-Plane Viewports Grid */
.viewports-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.viewport-box {
  background-color: #fafbfc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s ease;
}

.viewport-box:hover {
  border-color: #94a3b8;
}

.viewport-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plane-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.badge-axial {
  background-color: var(--plane-axial-subtle);
  color: var(--plane-axial);
  border: 1px solid #bae6fd;
}

.badge-coronal {
  background-color: var(--plane-coronal-subtle);
  color: var(--plane-coronal);
  border: 1px solid #99f6e4;
}

.badge-sagittal {
  background-color: var(--plane-sagittal-subtle);
  color: var(--plane-sagittal);
  border: 1px solid #c7d2fe;
}

.plane-subtitle {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 4px;
}

.slice-counter {
  font-family: var(--font-mono);
  font-size: 11px;
}

.counter-value {
  font-weight: 700;
  color: var(--text-primary);
}

.counter-total {
  color: var(--text-muted);
}

.canvas-wrapper {
  background-color: var(--bg-viewport);
  border-radius: var(--radius-sm);
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

.canvas-wrapper canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.attention-layer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  opacity: 0.88;
  mix-blend-mode: screen;
}

.empty-state-notice {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #64748b;
  font-size: 11px;
  font-weight: 500;
}

.empty-state-notice.hidden {
  display: none;
}

.slider-control-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-step {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  color: var(--text-secondary);
}

.btn-step:hover:not(:disabled) {
  background-color: var(--bg-subtle);
  border-color: var(--border-focus);
}

.slice-slider {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: #e2e8f0;
  border-radius: 9999px;
  outline: none;
  cursor: pointer;
}

.slice-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid #fff;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.slice-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slice-slider.slider-axial::-webkit-slider-thumb { background: var(--plane-axial); }
.slice-slider.slider-coronal::-webkit-slider-thumb { background: var(--plane-coronal); }
.slice-slider.slider-sagittal::-webkit-slider-thumb { background: var(--plane-sagittal); }

.attention-callout {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: #92400e;
}

/* --------------------------------------------------------------------------
   Right Analytics Panel
   -------------------------------------------------------------------------- */
.radial-meter-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
}

.svg-ring-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
}

.radial-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: #e2e8f0;
  stroke-width: 12;
}

.ring-progress {
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 427.26;
  stroke-dashoffset: 427.26;
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s ease;
}

.ring-center-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ring-percent {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.ring-caption {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.classification-badge-wrap {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.prediction-pill-lg {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 9999px;
  transition: all 0.3s ease;
}

.prediction-pill-lg.neutral {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
}

.prediction-pill-lg.asd {
  background-color: var(--status-asd-subtle);
  color: var(--status-asd);
  border: 1px solid #fecaca;
}

.prediction-pill-lg.control {
  background-color: var(--status-control-subtle);
  color: var(--status-control);
  border: 1px solid #a7f3d0;
}

.runtime-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-light);
}

.divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 14px 0;
}

/* Multi-View Feature Section */
.stream-analysis-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sub-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.norm-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 4px;
}

.section-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.stream-bar-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stream-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.stream-norm-val {
  font-family: var(--font-mono);
}

.progress-track {
  height: 6px;
  background-color: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fill-axial { background-color: var(--plane-axial); }
.fill-coronal { background-color: var(--plane-coronal); }
.fill-sagittal { background-color: var(--plane-sagittal); }

/* QC Checklist */
.qc-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.qc-item {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease;
}

.qc-icon {
  font-family: var(--font-mono);
  font-size: 13px;
}

.qc-item.passed {
  color: var(--status-control);
  font-weight: 600;
}

.qc-item.passed .qc-icon::after {
  content: '✓';
}

.qc-item.passed .qc-icon {
  font-size: 0;
}

/* --------------------------------------------------------------------------
   Medical-Grade Clinical AI Report Modal
   -------------------------------------------------------------------------- */
.report-window {
  max-width: 900px;
  width: 95%;
  background-color: #ffffff;
}

.report-modal-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.report-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.report-logo {
  font-size: 26px;
}

.modal-subtitle {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.report-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Printable Medical Report Sheet */
.medical-report-sheet {
  padding: 30px;
  background-color: #ffffff;
  color: #0f172a;
  font-family: var(--font-sans);
}

.report-institution-block {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.inst-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: #0f172a;
}

.inst-sub {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: #475569;
  margin-top: 2px;
}

.inst-right {
  text-align: right;
  font-size: 11px;
  font-family: var(--font-mono);
  color: #475569;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.report-sec-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 800;
  color: #dc2626;
  background-color: #fee2e2;
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 4px;
  align-self: flex-end;
}

.report-divider-bold {
  border: none;
  border-top: 2px solid #0f172a;
  margin: 12px 0 16px 0;
}

.report-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background-color: #f8fafc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 18px;
}

.meta-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.meta-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.meta-val {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.report-section {
  margin-bottom: 18px;
}

.report-sec-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4px;
  margin-bottom: 10px;
}

.report-callout-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  background-color: #fafbfc;
}

.report-callout-box.asd-active {
  border-color: #fca5a5;
  background-color: #fef2f2;
}

.report-callout-box.control-active {
  border-color: #a7f3d0;
  background-color: #ecfdf5;
}

.finding-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.finding-class {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-top: 2px;
}

.finding-note {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.callout-right {
  text-align: right;
}

.score-large {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.score-lbl {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

.report-snapshots-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.snap-card {
  background-color: #fafbfc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.snap-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
}

.snap-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #0b0f19;
  border-radius: 4px;
  object-fit: contain;
}

.snap-caption {
  font-size: 9px;
  color: var(--text-muted);
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.report-table th, .report-table td {
  padding: 7px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.report-table th {
  background-color: #f8fafc;
  font-weight: 700;
  color: var(--text-secondary);
}

.report-qc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.qc-tag-box {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  color: #166534;
}

.report-paragraph {
  font-size: 12px;
  line-height: 1.6;
  color: #334155;
}

.report-footer-block {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.signoff-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signoff-line {
  color: #94a3b8;
  font-family: var(--font-mono);
}

.signoff-name {
  font-size: 12px;
  font-weight: 700;
  color: #0f172a;
}

.signoff-inst {
  font-size: 10px;
  color: #64748b;
}

.legal-box {
  font-size: 9px;
  color: #64748b;
  line-height: 1.4;
}

.legal-box strong {
  color: #334155;
}

/* --------------------------------------------------------------------------
   Print Stylesheet: Strict 1-Page Medical Grade Clinical Dossier
   -------------------------------------------------------------------------- */
@page {
  size: A4 portrait;
  margin: 6mm 10mm;
}

@media print {
  html, body {
    height: 100% !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #ffffff !important;
    font-size: 10.5px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Completely hide all non-report elements from print flow to avoid trailing pages */
  body > *:not(#modal-report) {
    display: none !important;
  }

  #modal-report {
    position: static !important;
    display: block !important;
    width: 100% !important;
    height: auto !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    background: transparent !important;
    backdrop-filter: none !important;
  }

  .report-window {
    width: 100% !important;
    max-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    max-height: none !important;
  }

  .medical-report-sheet {
    padding: 0 !important;
    margin: 0 !important;
    page-break-after: avoid !important;
    break-after: avoid !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  .report-section {
    margin-bottom: 7px !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  .report-sec-title {
    font-size: 10px !important;
    margin-bottom: 3px !important;
    padding-bottom: 2px !important;
  }

  .report-institution-block {
    margin-bottom: 4px !important;
    padding-bottom: 4px !important;
  }

  .inst-name {
    font-size: 11px !important;
  }

  .inst-sub {
    font-size: 8.5px !important;
  }

  .report-id-text, .report-date-text {
    font-size: 9px !important;
  }

  .report-sec-badge {
    font-size: 7.5px !important;
    padding: 1px 4px !important;
  }

  .report-divider-bold {
    margin: 3px 0 6px 0 !important;
  }

  .report-meta-grid {
    gap: 4px !important;
    margin-bottom: 6px !important;
  }

  .meta-box {
    padding: 3px 6px !important;
  }

  .meta-box .meta-label {
    font-size: 8px !important;
  }

  .meta-box .meta-val {
    font-size: 10px !important;
  }

  .report-callout-box {
    padding: 6px 12px !important;
  }

  .finding-class {
    font-size: 14px !important;
  }

  .score-large {
    font-size: 20px !important;
  }

  .finding-note {
    font-size: 9px !important;
    margin-top: 1px !important;
  }

  .report-snapshots-row {
    gap: 6px !important;
  }

  .snap-card {
    padding: 2px 4px !important;
    gap: 1px !important;
  }

  .snap-tag {
    font-size: 8.5px !important;
  }

  .snap-img {
    max-height: 75px !important;
    width: auto !important;
    margin: 0 auto !important;
    aspect-ratio: auto !important;
  }

  .snap-caption {
    font-size: 7.5px !important;
  }

  .report-table th, .report-table td {
    padding: 2px 5px !important;
    font-size: 9px !important;
  }

  .qc-tag-box {
    padding: 2px 5px !important;
    font-size: 8.5px !important;
  }

  .report-paragraph {
    font-size: 9px !important;
    line-height: 1.3 !important;
  }

  .report-footer-block {
    margin-top: 6px !important;
    padding-top: 4px !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  .signoff-name {
    font-size: 9.5px !important;
  }

  .signoff-inst {
    font-size: 8px !important;
  }

  .legal-box {
    font-size: 7.5px !important;
    line-height: 1.2 !important;
  }

  .no-print {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   Modal Window
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal-window {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
}

.btn-modal-close {
  background: transparent;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.modal-section h4 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 6px;
}

.specs-table th, .specs-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table th {
  background-color: var(--bg-subtle);
  font-weight: 600;
  color: var(--text-primary);
}

.hidden {
  display: none !important;
}

/* ==============================================================================
   Responsive Design System: Mobile, Tablet & Desktop Optimization
   ============================================================================== */

/* 1. Laptops and Intermediate Desktops (<= 1280px) */
@media (max-width: 1280px) {
  .workstation-container {
    grid-template-columns: 280px 1fr;
    gap: 16px;
    padding: 16px;
  }

  .panel-right {
    grid-column: span 2;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .panel-right .panel-card:last-child {
    grid-column: span 2;
  }
}

/* 2. Tablets Landscape & Medium Screens (<= 1024px) */
@media (max-width: 1024px) {
  .app-header {
    padding: 0 16px;
  }

  .header-center {
    display: none;
  }

  .workstation-container {
    grid-template-columns: 1fr;
    max-width: 820px;
    margin: 0 auto;
  }

  .panel-right {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .raw-card-content {
    grid-template-columns: 180px 1fr;
    gap: 16px;
  }

  .raw-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3. Tablets Portrait & Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  .app-header {
    height: auto;
    min-height: 56px;
    padding: 10px 12px;
    gap: 8px;
    flex-wrap: wrap;
  }

  .header-left {
    flex: 1 1 auto;
  }

  .app-logo {
    gap: 8px;
  }

  .logo-icon {
    font-size: 20px;
  }

  .brand-title {
    font-size: 14.5px;
    line-height: 1.2;
  }

  .brand-subtitle {
    display: none;
  }

  .badge-tech,
  .badge-preview {
    font-size: 9px;
    padding: 2px 6px;
  }

  .header-center {
    display: none;
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-left: auto;
  }

  .system-status-pill {
    padding: 4px 8px;
    margin-right: 0;
    gap: 6px;
  }

  .system-status-pill .status-label {
    display: none;
  }

  .device-tag {
    font-size: 9px;
    padding: 2px 5px;
  }

  .btn-icon {
    padding: 5px 8px;
    font-size: 11.5px;
  }

  .btn-github-app {
    padding: 5px 9px;
    font-size: 11.5px;
    margin-left: 0;
    gap: 5px;
  }

  /* Workstation Main Container */
  .workstation-container {
    display: flex;
    flex-direction: column;
    padding: 12px;
    gap: 14px;
    width: 100%;
    max-width: 100%;
  }

  .panel {
    gap: 14px;
    width: 100%;
  }

  .panel-card {
    padding: 14px;
    border-radius: var(--radius-md);
  }

  /* Research Cohort Selector */
  .demo-control-row {
    flex-direction: column;
    gap: 8px;
  }

  .form-select,
  .form-input {
    font-size: 16px; /* Prevents auto-zoom on iOS mobile browsers */
    padding: 10px 12px;
    min-height: 44px;
  }

  .btn-primary {
    min-height: 44px;
    font-size: 14px;
    font-weight: 700;
    width: 100%;
    justify-content: center;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  /* Raw MRI Inspection Frame */
  .raw-mri-card {
    padding: 14px;
    border-radius: var(--radius-md);
  }

  .raw-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 8px;
  }

  .raw-card-title-group {
    flex-wrap: wrap;
    gap: 6px;
  }

  .raw-card-meta-tags {
    flex-wrap: wrap;
    gap: 6px;
  }

  .raw-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    width: 100%;
  }

  .raw-img-frame {
    width: 100%;
    max-width: 220px;
    height: auto;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
  }

  .raw-card-details {
    width: 100%;
  }

  .raw-detail-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
  }

  .raw-detail-item {
    padding: 6px 10px;
  }

  /* Center Orthogonal Viewport Stage */
  .viewport-stage-card {
    padding: 14px;
    gap: 14px;
    border-radius: var(--radius-md);
  }

  .stage-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 10px;
  }

  .toolbar-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
  }

  .stage-title {
    font-size: 14px;
  }

  .resolution-pill,
  .standard-grayscale-tag {
    margin-left: 0;
    font-size: 10px;
  }

  .toolbar-controls {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 4px;
    border-top: 1px solid var(--border-subtle);
  }

  /* Single-Column Stack for Orthogonal Viewports on Phones */
  .viewports-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }

  .viewport-box {
    padding: 12px;
    width: 100%;
    border-radius: var(--radius-md);
  }

  .canvas-wrapper {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1 / 1;
    height: auto;
    margin: 0 auto;
    border-radius: var(--radius-sm);
  }

  .slider-control-bar {
    gap: 10px;
    padding-top: 4px;
    width: 100%;
  }

  .btn-step {
    width: 38px;
    height: 38px;
    min-width: 38px;
    font-size: 14px;
    border-radius: var(--radius-sm);
  }

  .slice-slider {
    height: 8px;
  }

  .slice-slider::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
  }

  .attention-callout {
    font-size: 11.5px;
    padding: 10px 12px;
    gap: 8px;
    flex-direction: column;
    align-items: flex-start;
  }

  /* Right Analytics Panel */
  .svg-ring-wrapper {
    width: 130px;
    height: 130px;
  }

  .ring-percent {
    font-size: 24px;
  }

  .prediction-pill-lg {
    font-size: 13px;
    padding: 6px 16px;
  }

  #btn-export-dossier {
    min-height: 44px;
    font-size: 13px;
    font-weight: 700;
    width: 100%;
  }

  /* Modals on Mobile */
  .modal-window {
    width: 95%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    margin: 10px;
  }

  .modal-header {
    padding: 14px 16px;
  }

  .modal-body {
    padding: 16px;
    gap: 14px;
  }

  .specs-comparison-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .report-window {
    width: 96%;
    max-height: 92vh;
    border-radius: var(--radius-md);
  }

  .medical-report-sheet {
    padding: 16px 12px;
  }

  .report-institution-block {
    flex-direction: column;
    gap: 8px;
  }

  .inst-right {
    text-align: left;
    align-items: flex-start;
  }

  .report-sec-badge {
    align-self: flex-start;
  }

  .report-meta-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 10px;
  }

  .report-callout-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
  }

  .callout-right {
    text-align: left;
  }

  .score-large {
    font-size: 26px;
  }

  .report-snapshots-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .snap-card {
    max-width: 260px;
    margin: 0 auto;
    width: 100%;
  }

  .report-qc-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .report-footer-block {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .specs-table,
  .report-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }
}

/* 4. Compact Phones (<= 480px) */
@media (max-width: 480px) {
  .app-header {
    padding: 8px 10px;
  }

  .brand-title {
    font-size: 13.5px;
  }

  .btn-github-app span {
    font-size: 10.5px;
  }

  .workstation-container {
    padding: 8px;
    gap: 10px;
  }

  .panel-card {
    padding: 12px 10px;
  }

  .raw-detail-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .raw-img-frame {
    max-width: 200px;
  }

  .canvas-wrapper {
    max-width: 280px;
  }

  .btn-step {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .report-meta-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* 5. Ultra-Compact Phones (<= 360px) */
@media (max-width: 360px) {
  .brand-title {
    font-size: 12.5px;
  }

  .badge-tech,
  .badge-preview {
    display: none;
  }

  .canvas-wrapper {
    max-width: 240px;
  }

  .btn-step {
    width: 32px;
    height: 32px;
    min-width: 32px;
    font-size: 12px;
  }
}