.button {
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 8px 13px;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}
.button:not(:disabled):active {
  transform: translateY(1px);
}
.button-primary {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.button-primary:hover:not(:disabled),
.button-accent:hover:not(:disabled) {
  background: var(--color-accent-strong);
}
.button-secondary {
  color: var(--color-accent-strong);
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}
.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled) {
  background: var(--color-accent-faint);
  border-color: var(--color-accent);
}
.button-quiet {
  color: var(--color-text-secondary);
  background: transparent;
  border-color: transparent;
}
.button-accent {
  color: #fff;
  background: var(--color-accent);
  box-shadow: 0 5px 14px rgb(11 113 104 / 18%);
}
.button-danger-quiet {
  color: var(--color-danger);
  background: transparent;
  border-color: transparent;
}
.button-danger-quiet:hover:not(:disabled) {
  background: var(--color-danger-soft);
  border-color: #e8b9bb;
}
.results-drawer-toggle.button,
.results-close.icon-button {
  display: none;
}
.button-block {
  width: 100%;
}
.button-grow {
  flex: 1;
}
.button-large {
  min-height: 46px;
}
.button-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-button {
  width: var(--control-height);
  height: var(--control-height);
  min-height: var(--control-height);
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background: transparent;
  font-size: 20px;
}
.icon-button:hover:not(:disabled) {
  background: var(--color-surface-soft);
}

.progress-badge,
.count-badge {
  min-width: 46px;
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  font: 650 12px/1 var(--font-mono);
  text-align: center;
}

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

.batch-panel {
  flex: 0 0 auto;
  margin: 0 0 var(--space-4);
  padding: var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}
.batch-heading,
.batch-meta,
.batch-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.batch-heading > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.batch-heading strong {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.batch-heading .icon-button {
  width: 30px;
  height: 30px;
  min-height: 30px;
}
.batch-progress {
  height: 6px;
  margin-top: var(--space-2);
  overflow: hidden;
  border-radius: 999px;
  background: var(--color-border);
}
.batch-progress span {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--color-success);
  transition: width var(--transition-normal);
}
.batch-meta {
  margin: 5px 0 var(--space-2);
  color: var(--color-text-muted);
  font: 11px/1.4 var(--font-mono);
}
.batch-panel .helper-text {
  margin: 5px 0 var(--space-2);
}
.batch-queue {
  max-height: 174px;
  margin: var(--space-2) 0;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  list-style: none;
}
.batch-queue li + li {
  border-top: 1px solid var(--color-border);
}
.batch-queue button {
  width: 100%;
  min-height: 34px;
  display: grid;
  grid-template-columns: 10px 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
  border: 0;
  color: var(--color-text-secondary);
  background: transparent;
  text-align: left;
}
.batch-queue button::before {
  content: "";
  width: 7px;
  height: 7px;
  justify-self: center;
  border-radius: 50%;
  background: var(--color-text-muted);
}
.batch-queue button:hover,
.batch-queue button.is-current {
  background: var(--color-accent-faint);
}
.batch-queue button.is-current {
  box-shadow: inset 3px 0 var(--color-accent);
}
.batch-queue button[data-status="loading"]::before,
.batch-queue button[data-status="scale"]::before,
.batch-queue button[data-status="analyzing"]::before {
  background: var(--color-highlight);
}
.batch-queue button[data-status="review"]::before {
  background: var(--color-accent);
}
.batch-queue button[data-status="saved"]::before {
  background: var(--color-success);
}
.batch-queue button[data-status="error"]::before {
  background: var(--color-danger);
}
.batch-queue .batch-file-name {
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.batch-queue small {
  color: var(--color-text-muted);
  font-size: 10px;
}
.batch-navigation {
  margin-bottom: var(--space-2);
}
.batch-navigation .button {
  min-height: 32px;
  padding: 5px 7px;
  font-size: 11px;
}
.batch-panel > .button + .button {
  margin-top: var(--space-2);
}
.batch-panel .inline-status {
  margin-top: var(--space-2);
}

.workflow-list {
  flex: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}
.workflow-step {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: var(--space-3);
  padding-bottom: var(--space-4);
}
.workflow-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: -2px;
  width: 1px;
  background: var(--color-border);
}
.step-rail span {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-text-muted);
  background: var(--color-surface);
  font: 650 12px/1 var(--font-mono);
}
.workflow-step.is-active .step-rail span {
  color: #fff;
  border-color: var(--color-accent);
  background: var(--color-accent);
}
.workflow-step.is-complete .step-rail span {
  color: var(--color-success);
  border-color: #8fcaa4;
  background: var(--color-success-soft);
}
.workflow-step.is-complete .step-rail span::after {
  content: "✓";
}
.workflow-step.is-complete .step-rail span {
  font-size: 0;
}
.workflow-step.is-complete .step-rail span::after {
  font-size: 13px;
}
.workflow-step.is-locked .step-rail span {
  border-style: dashed;
}
.step-content {
  min-width: 0;
  padding: 3px 0 var(--space-2);
}
.step-title-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-2);
}
.step-kicker {
  color: var(--color-text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.step-state {
  flex: none;
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 12px;
}
.workflow-step.is-active .step-state {
  color: var(--color-accent-strong);
  font-weight: 650;
}
.step-description {
  margin: 7px 0 var(--space-3);
  font-size: 12px;
}

.file-summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}
.file-thumb {
  width: 38px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
  font: 700 12px/1 var(--font-mono);
}
.file-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.file-copy strong,
.file-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-copy strong {
  font-size: 12px;
}
.file-copy small {
  color: var(--color-text-muted);
  font-size: 12px;
}

.scale-grid,
.preprocess-grid {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}
.calibration-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}
.calibration-method {
  min-width: 0;
  min-height: 58px;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 9px 10px;
  text-align: left;
}
.calibration-method span {
  color: var(--color-accent-strong);
  font-weight: 700;
}
.calibration-method small {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 500;
}
.calibration-method.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent-faint);
  box-shadow: inset 0 0 0 1px var(--color-accent);
}
.calibration-hint {
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.5;
}
.scale-ratio-preview {
  min-height: 28px;
  display: flex;
  align-items: center;
  margin: calc(var(--space-2) * -1) 0 var(--space-2);
  color: var(--color-text-muted);
  font: 600 12px/1.4 var(--font-mono);
}
.scale-ratio-preview.is-ready {
  color: var(--color-accent-strong);
}
.scale-grid {
  grid-template-columns: 1fr 1fr;
}
.preprocess-grid {
  grid-template-columns: repeat(3, 1fr);
}
.field {
  min-width: 0;
  display: grid;
  gap: 5px;
  color: var(--color-text-secondary);
  font-size: 12px;
}
.input-with-unit {
  position: relative;
  display: block;
}
.input-with-unit input {
  padding-right: 32px;
}
.input-with-unit b {
  position: absolute;
  right: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font: 600 12px/1 var(--font-mono);
}
.range-field {
  display: grid;
  gap: 6px;
}
.range-field > span {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-secondary);
  font-size: 12px;
}
.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 40px;
  color: var(--color-text-secondary);
}
.helper-text {
  display: block;
  color: var(--color-text-muted);
  font-size: 12px;
}

.inline-status {
  margin-top: var(--space-2);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background: var(--color-surface-soft);
  font-size: 12px;
}
.inline-status.is-success {
  color: var(--color-success);
  background: var(--color-success-soft);
}
.inline-status.is-warning {
  color: #8b4208;
  background: var(--color-highlight-soft);
}
.inline-status.is-error {
  color: var(--color-danger);
  background: var(--color-danger-soft);
}

.advanced-settings {
  margin-top: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}
.advanced-settings summary {
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  color: var(--color-text-secondary);
  font-weight: 650;
}
.advanced-body {
  display: grid;
  gap: var(--space-2);
  padding: 0 10px 10px;
}
.privacy-note {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-accent-faint);
}
.privacy-note > span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid #98c8c1;
  border-radius: 50%;
  color: var(--color-accent-strong);
  font-weight: 700;
}
.privacy-note p {
  margin: 0;
  font-size: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}
.metric-grid article {
  min-width: 0;
  padding: 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
}
.metric-grid span {
  display: block;
  color: var(--color-text-muted);
  font-size: 12px;
}
.metric-grid strong {
  display: inline-block;
  margin-top: 4px;
  font: 700 18px/1.2 var(--font-mono);
}
.metric-grid small {
  margin-left: 3px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.result-guidance {
  display: flex;
  gap: var(--space-3);
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}
.guidance-mark {
  flex: none;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-text-muted);
  background: var(--color-surface);
  font: 700 12px/1 var(--font-mono);
}
.result-guidance p {
  margin: 0;
  font-size: 12px;
}
.result-guidance.is-success {
  border-color: #a8d4b7;
  background: var(--color-success-soft);
}
.result-guidance.is-success .guidance-mark {
  color: var(--color-success);
}
.result-guidance.is-warning {
  border-color: #e8c498;
  background: var(--color-highlight-soft);
}
.result-guidance.is-warning .guidance-mark {
  color: #8b4208;
}
.result-guidance.is-error {
  border-color: #e8b9bb;
  background: var(--color-danger-soft);
}

.results-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--color-border);
}
.result-tab {
  min-height: 40px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  background: transparent;
  font-weight: 650;
}
.result-tab.is-active {
  color: var(--color-accent-strong);
  border-bottom-color: var(--color-accent);
}
.result-view {
  min-height: 0;
  padding-top: var(--space-2);
}
.table-wrap {
  min-height: 150px;
  overflow: auto;
}
#results-table th,
#results-table td {
  padding: 9px 7px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
#results-table th:first-child,
#results-table td:first-child {
  width: 34px;
}
#results-table th:last-child,
#results-table td:last-child {
  width: 42px;
  text-align: right;
}
#results-table tbody tr {
  transition: background var(--transition-fast);
}
#results-table tbody tr[data-measurement-id] {
  cursor: pointer;
}
#results-table tbody tr:hover,
#results-table tbody tr.is-selected {
  background: var(--color-accent-faint);
}
#diameter-sort-header button {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-weight: inherit;
}
.method-label {
  display: block;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-secondary);
  font-size: 12px;
}
.qc-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  font-size: 12px;
}
.qc-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-highlight);
}
.qc-pill.is-included::before {
  background: var(--color-success);
}
.delete-row {
  width: 32px;
  height: 32px;
  min-height: 32px;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-danger);
  background: transparent;
  font-size: 18px;
}
.delete-row:hover {
  background: var(--color-danger-soft);
}
.empty-row td {
  padding: 30px 10px !important;
  color: var(--color-text-muted);
  text-align: center !important;
}

.pagination {
  display: grid;
  grid-template-columns: 1fr auto 36px 36px;
  align-items: center;
  gap: var(--space-1);
  padding-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: 12px;
}
.pagination label {
  display: flex;
  align-items: center;
  gap: 5px;
}
.pagination select {
  width: 64px;
  min-height: 32px;
  padding: 4px 6px;
}
.pagination .icon-button {
  width: 34px;
  height: 34px;
  min-height: 34px;
}

.chart-card {
  padding: var(--space-2) 0;
}
.chart-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  color: var(--color-text-secondary);
}
.chart-heading > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chart-heading span {
  color: var(--color-text-muted);
  font-size: 12px;
}
.chart-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.chart-controls label {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--color-text-muted);
  font-size: 11px;
}
.chart-controls select,
.chart-controls input {
  width: 100%;
  min-height: 34px;
  padding: 5px 8px;
  color: var(--color-text);
  font-size: 12px;
}
.chart-controls .input-with-unit b {
  font-size: 11px;
}
.chart-plot {
  position: relative;
  margin-top: var(--space-2);
}
#chart-canvas {
  width: 100%;
  height: 250px;
  display: block;
  border-radius: var(--radius-sm);
  outline: none;
}
#chart-canvas:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent-soft);
}
.chart-tooltip {
  position: absolute;
  z-index: 2;
  max-width: 180px;
  padding: 7px 9px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  font-size: 11px;
  line-height: 1.45;
  pointer-events: none;
  transform: translate(-50%, -100%);
}
.chart-tooltip strong,
.chart-tooltip span {
  display: block;
}
.chart-tooltip span {
  color: var(--color-text-muted);
}
.chart-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: var(--space-2) 0 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-border);
}
.chart-summary[hidden] {
  display: none;
}
.chart-summary div {
  min-width: 0;
  padding: 7px 9px;
  background: var(--color-surface-soft);
}
.chart-summary dt {
  color: var(--color-text-muted);
  font-size: 10px;
}
.chart-summary dd {
  margin: 2px 0 0;
  overflow: hidden;
  color: var(--color-text-secondary);
  font: 600 11px/1.35 var(--font-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}
#chart-caption {
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.55;
}
.chart-bin-details {
  margin-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}
.chart-bin-details summary {
  padding: var(--space-2) 0;
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.chart-bin-table-wrap {
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.chart-bin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.chart-bin-table th,
.chart-bin-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--color-border);
  text-align: right;
}
.chart-bin-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--color-text-muted);
  background: var(--color-surface-soft);
  font-weight: 600;
}
.chart-bin-table th:first-child,
.chart-bin-table td:first-child {
  text-align: left;
  font-family: var(--font-mono);
}
.chart-bin-table tbody tr:last-child td {
  border-bottom: 0;
}
.chart-bin-table tbody tr.is-active td {
  background: var(--color-accent-soft);
}
.results-actions {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-3);
}
.heading-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: var(--color-overlay);
}
.modal {
  width: min(680px, 100%);
  max-height: min(760px, calc(100dvh - 32px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}
.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
}
.modal-header {
  border-bottom: 1px solid var(--color-border);
}
.modal-footer {
  justify-content: flex-end;
  border-top: 1px solid var(--color-border);
}
.modal-body {
  overflow: auto;
  padding: var(--space-5);
}
.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}
.report-grid article {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}
.report-grid span {
  display: block;
  color: var(--color-text-muted);
  font-size: 12px;
}
.report-grid strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
}
.report-table {
  margin-top: var(--space-4);
}
.report-table th,
.report-table td {
  padding: 9px;
  border-bottom: 1px solid var(--color-border);
}
.report-export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.manifest-block {
  margin-top: var(--space-4);
  padding: var(--space-3);
  overflow: auto;
  border-radius: var(--radius-md);
  color: #dce7e3;
  background: #18211e;
  font: 12px/1.55 var(--font-mono);
  white-space: pre-wrap;
}

.toast-region {
  position: fixed;
  z-index: var(--z-toast);
  right: var(--space-4);
  bottom: var(--space-4);
  width: min(360px, calc(100vw - 32px));
  display: grid;
  gap: var(--space-2);
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: start;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid #a8d4b7;
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-success-soft);
  box-shadow: var(--shadow-md);
  animation: toast-in var(--transition-normal);
}
.toast.is-warning {
  border-color: #e8c498;
  background: var(--color-highlight-soft);
}
.toast.is-error {
  border-color: #e8b9bb;
  background: var(--color-danger-soft);
}
.toast.is-leaving {
  opacity: 0;
  transform: translateY(5px);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
}