.section-save {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.section-save output {
  margin: 0;
  color: var(--green);
  font-size: 13px;
}

.section-save button {
  background: var(--blue);
}

.section-save button:hover {
  background: var(--accent-strong-hover);
}

.camera-card-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.bulk-camera-dialog form > label {
  display: block;
  margin-top: 18px;
}

.bulk-camera-dialog textarea {
  min-height: 160px;
  resize: vertical;
}

.bulk-camera-dialog output {
  display: block;
  min-height: 20px;
  margin-top: 12px;
  color: var(--green);
}

.camera-card.collapsed > :not(.camera-card-head) {
  display: none;
}

.camera-card.collapsed {
  padding-top: 14px;
  padding-bottom: 14px;
}

.camera-quality {
  margin: 18px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--ok-border);
  border-radius: 5px;
  background: var(--ok-bg);
  color: var(--text);
  font-size: 14px;
}

.camera-quality p,
.camera-quality ul {
  margin: 7px 0 0;
}

.camera-quality ul {
  padding-left: 20px;
}

.camera-quality.warning {
  border-color: var(--warn-border);
  background: var(--warn-bg);
}

.camera-quality.poor {
  border-color: var(--bad-border);
  background: var(--bad-bg);
}

.preview-camera:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

.training-workspace {
  margin-top: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 22px;
}

.training-head,
.training-list-head,
.training-toolbar,
.training-reference-card,
.training-zone-list article,
.training-sample-list article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.training-head h3,
.training-head p,
.training-zone-form h4,
.training-reference-card h4,
.training-zone-list h4,
.training-sample-list h4 {
  margin: 0;
}

.training-head .muted,
.training-reference-card .muted {
  margin: 8px 0 0;
}

.training-progress {
  flex: 0 0 auto;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 13px;
}

.training-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(290px, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.training-guide {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--blue);
  background: var(--accent-soft);
  border-radius: 5px;
}

.training-guide h4 {
  margin: 0;
}

.training-guide ol {
  margin: 14px 0 0;
  padding-left: 21px;
  color: var(--muted);
  line-height: 1.5;
}

.training-guide li + li {
  margin-top: 8px;
}

.training-canvas-card,
.training-zone-form,
.training-zone-list,
.training-reference-card,
.training-sample-list {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 16px;
}

.training-toolbar {
  align-items: end;
}

.training-toolbar label {
  flex: 1;
  margin: 0;
}

.training-hint {
  min-height: 40px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.training-canvas-wrap {
  margin-top: 12px;
  min-height: 260px;
  display: grid;
  place-items: center;
  background: var(--canvas);
  border: 1px dashed var(--line-strong);
  overflow: auto;
}

#trainingCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  cursor: crosshair;
}

.training-zone-form .muted {
  font-size: 13px;
  line-height: 1.45;
}

.training-zone-list,
.training-reference-card,
.training-sample-list {
  margin-top: 16px;
}

.training-zone-list article,
.training-sample-list article {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.training-zone-list article:first-of-type,
.training-sample-list article:first-of-type {
  margin-top: 10px;
}

.training-zone-list article p,
.training-sample-list article p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.reference-actions {
  width: min(620px, 100%);
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto auto;
  align-items: end;
  gap: 10px;
}

.reference-actions label {
  margin: 0;
}

.reference-actions output {
  grid-column: 1 / -1;
  margin: 0;
}

.training-sample-list article {
  justify-content: flex-start;
}

.training-sample-list img {
  width: 112px;
  height: 66px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
}

.training-sample-card {
  border-top: 1px solid var(--line);
}

.training-sample-card summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
}

.training-sample-card summary::-webkit-details-marker {
  display: none;
}

.training-sample-card summary img {
  flex: 0 0 auto;
}

.sample-edit-hint {
  margin-left: auto;
  color: var(--cyan);
  font-size: 13px;
}

.training-sample-card form {
  padding: 0 0 14px 124px;
}

.training-sample-card textarea {
  min-height: 82px;
}

.snapshot-dialog {
  width: min(1100px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 20px;
}

.snapshot-dialog::backdrop {
  background: rgba(0, 0, 0, .74);
}

.snapshot-dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.snapshot-dialog img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 170px);
  margin: 14px auto 0;
  border: 1px solid var(--line);
  border-radius: 4px;
}

@media (max-width: 760px) {
  .section-save {
    align-items: flex-start;
    flex-direction: column;
  }

  .camera-card-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .training-head,
  .training-toolbar,
  .training-reference-card,
  .training-zone-list article {
    align-items: flex-start;
    flex-direction: column;
  }

  .training-grid,
  .reference-actions {
    grid-template-columns: 1fr;
  }

  .training-sample-card form {
    padding-left: 0;
  }
}

.training-assessment-card,
.history-card {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 22px;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.training-assessment-card h4,
.history-card h3 {
  margin: 0 0 6px;
}

.training-assessment-card .reference-actions {
  min-width: min(100%, 430px);
}

.history-list {
  display: grid;
  gap: 12px;
}

.history-card {
  margin-top: 0;
}

.history-card > div {
  min-width: 0;
}

.history-card .secondary {
  flex: 0 0 auto;
}

.assessment-confidence {
  display: inline-block;
  margin-top: 8px;
  color: var(--cyan);
  font-size: 14px;
}

.history-review {
  display: grid;
  gap: 10px;
  min-width: min(100%, 330px);
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.history-review summary {
  color: var(--cyan);
  cursor: pointer;
  font-weight: 700;
}

.history-review form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.history-review label {
  font-size: 14px;
}

.history-review textarea {
  min-height: 74px;
}

.history-review output {
  font-size: 13px;
}

@media (max-width: 760px) {
  .training-assessment-card,
  .history-card {
    flex-direction: column;
  }
}