/* ============================================================
   IRIBHM Microscopy Platform — Finish & Tools UI
   ============================================================ */

body.modal-open {
  overflow: hidden;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.toolbar-cluster {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 10px;
  border-left: 1px solid var(--border-subtle);
}

.toolbar-cluster:first-child {
  border-left: none;
  padding-left: 0;
}

.toolbar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tool-chip {
  min-width: 36px;
}

.tool-chip.active,
.btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn[disabled],
.tool-chip[disabled] {
  opacity: 0.42;
  cursor: not-allowed;
  filter: grayscale(0.35);
}

.advanced-clip-details {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-base);
  padding: var(--space-2) var(--space-3);
}

.advanced-clip-details summary {
  cursor: pointer;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
}

body[data-active-tool="measure"] canvas,
body[data-active-tool="measure"] #tracking-canvas {
  cursor: crosshair;
}

body.presentation-mode .viewer-sidebar,
body.presentation-mode .viewer-header {
  display: none !important;
}

body.presentation-mode .viewer-layout {
  background: #000;
}

.scientific-panel {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 15;
  width: min(360px, calc(100vw - 32px));
  background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(16px);
  display: none;
}

#volume-tools-panel {
  width: min(620px, calc(100vw - 32px));
}

.scientific-panel.visible {
  display: block;
}

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

.scientific-panel-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.segmented {
  display: flex;
  gap: 2px;
  padding: 2px;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.segmented button {
  flex: 1;
  height: 30px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.segmented button.active {
  background: var(--bg-active);
  color: var(--color-primary);
}

.plane-nudge {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-2);
}

.plane-position {
  font-family: var(--font-mono);
  color: var(--text-primary);
  min-width: 64px;
  text-align: center;
}

.slice-studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  gap: var(--space-2);
}

.slice-studio-grid label {
  display: grid;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.slice-studio-grid select,
.slice-studio-grid input {
  min-height: 32px;
  padding: 4px 8px;
  color: var(--text-primary);
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.slice-studio-grid input[type="range"] {
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.slice-oblique-controls {
  display: none;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
}

.slice-oblique-controls.visible {
  display: grid;
}

.slice-gizmo {
  position: relative;
  width: 88px;
  height: 88px;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--bg-base), var(--bg-surface));
  cursor: default;
}

.slice-gizmo-ring {
  position: absolute;
  inset: 7px;
  border: 1px dashed color-mix(in srgb, var(--color-primary) 46%, var(--border-light));
  border-radius: 50%;
  pointer-events: none;
}

.slice-gizmo-cross::before,
.slice-gizmo-cross::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 10px;
  width: 1px;
  height: 68px;
  background: var(--border-light);
  transform-origin: center;
}

.slice-gizmo-cross::after {
  transform: rotate(90deg);
}

.slice-gizmo-handle {
  position: absolute;
  left: 50%;
  top: 14%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 24%, transparent);
  border: 0;
  cursor: grab;
}

.slice-gizmo-handle:active {
  cursor: grabbing;
}

.slice-gizmo-center,
.slice-gizmo-roll {
  position: absolute;
  border: 0;
  background: none;
  padding: 0;
}

.slice-gizmo-center {
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg-surface) 76%, var(--color-primary));
  box-shadow: 0 0 0 1px var(--border-light), 0 0 0 5px rgba(0, 0, 0, 0.15);
  cursor: ns-resize;
}

.slice-gizmo-roll {
  left: 50%;
  top: 8px;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--color-accent, #ffb454);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent, #ffb454) 28%, transparent);
  cursor: alias;
}

.slice-angle-readout {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.slice-angle-actions,
.slice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.slice-render-status {
  min-height: 18px;
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.slice-canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 220px;
  max-height: 44vh;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: #000;
}

.slice-canvas-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.mini-histogram {
  height: 34px;
  display: grid;
  grid-template-columns: repeat(32, 1fr);
  align-items: end;
  gap: 1px;
  margin: var(--space-2) 0;
}

.mini-histogram span {
  display: block;
  min-height: 2px;
  background: currentColor;
  opacity: 0.75;
  border-radius: 2px 2px 0 0;
}

.channel-actions,
.chart-actions,
.export-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.dataset-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.availability-badge {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 2px 6px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: var(--bg-base);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
}

.dataset-card-actions {
  flex-wrap: wrap;
}

.dataset-card-actions .btn {
  flex: 1;
  justify-content: center;
}

.tracking-inspector {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.tracking-tool-stack,
.tracking-science-box {
  display: grid;
  gap: var(--space-2);
}

.tool-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.tool-toggle span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tool-toggle svg,
.tracking-tool-actions svg {
  width: 14px;
  height: 14px;
}

.tracking-tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tracking-science-box {
  max-height: 180px;
  overflow: auto;
  padding: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-base);
}

.lineage-node,
.neighbor-row {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: var(--space-2);
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.lineage-node:last-child,
.neighbor-row:last-child {
  border-bottom: 0;
}

.lineage-node strong,
.neighbor-row strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.measurement-row {
  display: grid;
  grid-template-columns: minmax(0, 92px) 1fr auto;
  gap: var(--space-2);
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.measurement-row:last-child {
  border-bottom: 0;
}

.measurement-row strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.metric-tile {
  padding: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-base);
}

.metric-tile small {
  display: block;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.metric-tile strong {
  font-family: var(--font-mono);
}

.export-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.72);
}

.export-modal-overlay.active {
  display: flex;
}

.export-modal {
  width: min(980px, 96vw);
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.export-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.export-modal-header h2 {
  margin: 0;
}

.export-modal-header p {
  margin: var(--space-1) 0 0;
  color: var(--text-muted);
}

.export-modal-body {
  overflow: auto;
  padding: var(--space-5);
}

.download-category {
  margin-top: var(--space-5);
}

.download-category h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
}

.download-list {
  display: grid;
  gap: var(--space-2);
}

.download-item {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  background: var(--bg-base);
}

.download-item:hover {
  border-color: var(--color-primary);
  background: var(--bg-hover);
}

.download-item.is-directory {
  cursor: default;
  opacity: 0.72;
}

.download-item.is-bundle {
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--border-subtle));
}

.download-format {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.download-main strong,
.download-main small {
  display: block;
}

.download-main small {
  margin-top: 2px;
  color: var(--text-muted);
}

.download-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.download-warning {
  padding: 2px 6px;
  color: #fff;
  background: var(--color-error);
  border-radius: var(--radius-sm);
}

.download-empty {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.app-toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  z-index: 10000;
  transform: translateX(-50%) translateY(16px);
  opacity: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.app-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.about-hero {
  padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-10);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.about-grid,
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.about-card,
.tool-roadmap-card {
  padding: var(--space-5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
}

.about-card h3,
.tool-roadmap-card h3 {
  margin-bottom: var(--space-2);
}

.about-card p,
.tool-roadmap-card p {
  color: var(--text-secondary);
}

@media (max-width: 720px) {
  .viewer-toolbar {
    gap: 4px;
  }

  .toolbar-cluster {
    border-left: none;
    padding-left: 0;
  }

  .toolbar-label {
    display: none;
  }

  .viewer-toolbar .btn:not(.btn-icon) span {
    display: none;
  }

  .download-item {
    grid-template-columns: 1fr;
  }
}

/* ── Annotation Toolbar ──────────────────────────────────── */

.annotation-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-2) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-2);
}

.annotation-toolbar .toolbar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: var(--space-1);
}

.annotation-toolbar .btn.active {
  background: var(--bg-active);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── Render/Export Bar ────────────────────────────────────── */

.render-export-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-2);
}

.render-export-bar select {
  min-height: 30px;
  font-size: var(--text-xs);
  padding: 2px 24px 2px 8px;
}

.render-export-bar .btn-primary {
  min-width: 100px;
}

/* ── Direct Touch Gizmo (Volume Viewer) ──────────────────── */

body[data-active-tool="cut"] #webgl-canvas {
  cursor: grab;
}

body[data-active-tool="cut"] #webgl-canvas:active {
  cursor: grabbing;
}

/* ── Oblique Controls ────────────────────────────────────── */
.slice-oblique-controls {
  display: none;
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-3);
}

.slice-oblique-controls.visible {
  display: grid;
}

.slice-gizmo {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--border-light) 70%, transparent);
  background: radial-gradient(circle at 50% 45%, rgba(255,255,255,0.12), rgba(0,0,0,0.04) 48%, rgba(0,0,0,0.18));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.slice-gizmo-ring {
  position: absolute;
  inset: 4px;
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.3;
}

.slice-gizmo-cross {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--text-primary);
  border-radius: 50%;
}

.slice-angle-readout {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.slice-angle-actions {
  display: flex;
  gap: var(--space-2);
  grid-column: 1 / -1;
}

.slice-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}