:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-alt: #f1f4f8;
  --line: #d8dee8;
  --text: #18202f;
  --muted: #647086;
  --accent: #227c68;
  --accent-strong: #165f50;
  --accent-soft: #e8f4f0;
  --surface-subtle: #fbfcfe;
  --warn: #a45d13;
  --danger: #b3261e;
  --shadow: 0 12px 30px rgba(24, 32, 47, 0.08);
  --shadow-raised: 0 8px 20px rgba(24, 32, 47, 0.12);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --control-height: 38px;
  --sidebar-width: 224px;
  --sidebar-collapsed-width: 72px;
  --focus-ring: 0 0 0 3px rgba(34, 124, 104, 0.26);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[hidden] {
  display: none !important;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
}

button,
select,
input {
  font: inherit;
}

/* Keep ordinary form controls on the approved 38px desktop family. */
input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
textarea {
  min-height: var(--control-height);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0 10px;
  background: var(--surface);
  color: var(--text);
}

textarea {
  padding-block: 10px;
  resize: vertical;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  box-shadow: none;
}

button,
select {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  min-height: var(--control-height);
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
  padding: 0 14px;
}

button:disabled {
  cursor: not-allowed;
  color: var(--muted);
  background: var(--surface-alt);
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.brand-mark svg {
  width: 26px;
  height: 26px;
}

.brand-copy {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.brand-name {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.workspace-identity {
  display: grid;
  gap: 1px;
  margin-left: var(--space-3);
  padding-left: var(--space-4);
  border-left: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.15;
}

h2 {
  font-size: 16px;
}

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

.course-context-control {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.course-context-control select {
  min-width: 180px;
  min-height: var(--control-height);
  text-transform: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 13px;
}

.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: calc(100vh - 73px);
  transition: grid-template-columns 160ms ease;
}

.sidebar {
  min-width: 0;
  padding: var(--space-3);
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 34px;
  margin: 0 0 var(--space-3);
}

.sidebar-heading {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.sidebar-toggle {
  display: grid;
  width: var(--control-height);
  min-width: var(--control-height);
  min-height: var(--control-height);
  padding: 0;
  place-items: center;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.sidebar-toggle:hover,
.sidebar-toggle:focus-visible {
  border-color: var(--line);
  background: var(--surface-alt);
  color: var(--accent-strong);
}

.sidebar-toggle-icon {
  width: 20px;
  height: 20px;
  transition: transform 160ms ease;
}

.sidebar-toggle[data-state="collapsed"] .sidebar-toggle-icon {
  transform: rotate(180deg);
}

.app-shell.sidebar-collapsed .workspace {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.app-shell.sidebar-collapsed .sidebar {
  padding-inline: var(--space-2);
}

.app-shell.sidebar-collapsed .sidebar-header {
  justify-content: center;
}

.app-shell.sidebar-collapsed .sidebar-heading,
.app-shell.sidebar-collapsed .nav-group-label-text,
.app-shell.sidebar-collapsed .nav-item-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell.sidebar-collapsed .nav-item {
  justify-content: center;
  padding-inline: 0;
}

.app-shell.sidebar-collapsed .nav-group-label {
  min-height: var(--space-2);
  margin-inline: 0;
}

.nav-group {
  display: grid;
  gap: 0;
  margin-bottom: var(--space-5);
}

.nav-group:last-child {
  margin-bottom: 0;
}

.nav-group-label {
  margin: 4px 8px 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-width: 0;
  margin-bottom: var(--space-2);
  padding-inline: var(--space-3);
  text-align: left;
  border-radius: var(--radius-sm);
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}

.nav-item-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--muted);
}

.nav-item-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-item:hover .nav-item-icon,
.nav-item:focus-visible .nav-item-icon,
.nav-item.active .nav-item-icon {
  color: currentColor;
}

.nav-item.active {
  border-color: var(--accent);
  background: #e6f3ef;
  color: var(--accent-strong);
  font-weight: 700;
}

.nav-attention-count {
  margin-left: auto;
  min-width: 22px;
  border-radius: 999px;
  padding: 2px 6px;
  background: var(--warn);
  color: var(--surface);
  font-size: 11px;
  text-align: center;
}

.attention-action {
  border-color: #d7a76e;
  background: #fff7ea;
  color: var(--warn);
  font-weight: 700;
}

.empty-state strong,
.empty-state .student-email {
  display: block;
}

.content {
  min-width: 0;
  padding: var(--space-4);
}

.view-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  margin-bottom: 12px;
}

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

.context-heading {
  display: grid;
  gap: 4px;
}

.context-heading h1 {
  font-size: 22px;
}

.context-heading .panel-copy {
  max-width: 680px;
  margin: 0;
}

.active-context {
  display: grid;
  min-width: 230px;
  gap: 3px;
  padding: 12px 14px;
  border: 1px solid #9acfbf;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
}

.active-context-label {
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.active-context strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.active-context span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.workspace-scope {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: -2px 0 16px;
  padding: 12px 14px;
  border: 1px solid #9ed8c9;
  border-radius: 8px;
  background: #edf7f4;
}

.workspace-scope > div:first-child { display: grid; gap: 3px; }
.scope-switch { display: flex; gap: 8px; }
.scope-switch button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); }

.assessment-workspace-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: -2px 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
}

.assessment-workspace-controls > div:first-child { display: grid; gap: 3px; }
.assessment-workspace-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.assessment-workspace-actions button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); }

.assessment-inventory-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) minmax(160px, 1fr) minmax(180px, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.assessment-inventory-toolbar label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.assessment-inventory-toolbar input,
.assessment-inventory-toolbar select {
  width: 100%;
  min-height: 38px;
}

.assessment-inventory-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.4fr);
  gap: 16px;
  align-items: start;
}

.assessment-inventory-list {
  display: grid;
  max-height: 620px;
  overflow-y: auto;
  padding: 10px;
  gap: 8px;
}

.assessment-inventory-item {
  display: grid;
  width: 100%;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-alt);
  color: var(--text);
  text-align: left;
}

.assessment-inventory-item:hover,
.assessment-inventory-item:focus,
.assessment-inventory-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.assessment-inventory-item.active {
  box-shadow: inset 4px 0 0 var(--accent), var(--shadow);
}

.assessment-inventory-item-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.assessment-inventory-item-meta {
  color: var(--muted);
  font-size: 12px;
  text-transform: none;
}

.assessment-detail-panel {
  min-height: 300px;
}

.assessment-detail-panel .panel-header {
  background: var(--surface-subtle);
}

.assessment-detail-panel .safety-panel { margin: 0; }
.assessment-detail-panel .safety-actions { align-items: stretch; }
.assessment-detail-panel .safety-actions button { width: 100%; }
.assessment-class-progress { display: grid; gap: 4px; margin-top: 12px; color: var(--muted); font-size: 12px; }
.assessment-class-progress strong { color: var(--text); }

.view[hidden] {
  display: none;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(180px, 260px) 120px auto;
  align-items: end;
  gap: 12px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

select {
  width: 100%;
  border-radius: 6px;
  padding: 0 10px;
}

.toolbar-summary {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
}

.toolbar-summary strong {
  color: var(--text);
  font-size: 18px;
}

.save-cluster {
  justify-self: end;
  display: grid;
  gap: 4px;
}

#save-button {
  border-radius: 6px;
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 350px) minmax(0, 1fr);
  gap: 16px;
}

.analytics-layout {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 16px;
}

.analytics-scope-panel {
  margin-bottom: 16px;
  border-top: 3px solid var(--accent-strong);
}

.analytics-scope-controls {
  display: grid;
  grid-template-columns: minmax(190px, 240px) minmax(260px, 1fr) minmax(220px, 1fr);
  gap: 12px;
  align-items: start;
}

.analytics-scope-controls label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.analytics-scope-controls select[multiple] {
  min-height: 104px;
}

.analytics-scope-panel .panel-copy {
  margin: 12px 0 0;
}

.ao-radar-panel {
  margin-bottom: 16px;
  border-top: 3px solid var(--accent-strong);
}

.ao-radar-controls {
  max-width: 32rem;
}

.ao-radar-chart {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0 1.25rem;
}

.ao-radar-axis {
  display: grid;
  gap: 0.25rem;
}

.ao-radar-axis-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.ao-radar-axis small {
  color: var(--muted);
}

.ao-radar-axis.is-unavailable .bar-track {
  background: repeating-linear-gradient(135deg, #eef1f4, #eef1f4 6px, #e0e5ea 6px, #e0e5ea 12px);
}

.decision-context {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 16px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.decision-context h2,
.decision-context p {
  margin: 0 0 6px;
}

.decision-context-next {
  display: grid;
  align-content: center;
  gap: 6px;
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.export-action-cell {
  display: grid;
  gap: 6px;
  min-width: 150px;
}

.export-action-cell .secondary {
  border-color: var(--line);
  background: var(--surface-alt);
  color: var(--text);
}

.analytics-layout.lower {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.analytics-panel {
  margin-top: 16px;
}

.builder-layout {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 16px;
}

.builder-question-scroll {
  max-height: min(calc(100vh - 190px), 720px);
  overscroll-behavior: contain;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 16px;
}

.admin-provisioning {
  display: grid;
  min-width: 0;
  gap: 16px;
  margin-bottom: 16px;
}

.admin-provisioning > .panel,
.admin-layout > .panel {
  min-width: 0;
}

.admin-provisioning-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr)) auto;
  gap: 12px;
  align-items: end;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.admin-provisioning-form label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.admin-provisioning-form input,
.admin-provisioning-form select {
  min-height: 38px;
}

.admin-ai-next-step {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
}

.admin-ai-next-step-copy {
  min-width: 0;
}

.admin-ai-next-step h3 {
  margin: 3px 0 4px;
  font-size: 16px;
}

.admin-ai-next-step p {
  margin: 0;
  max-width: 64ch;
}

.admin-ai-next-step.is-pending {
  border-color: var(--accent);
}

.admin-ai-progress {
  flex: 0 0 auto;
  white-space: nowrap;
  font-weight: 700;
}

.admin-ai-actions {
  flex-wrap: wrap;
}

.admin-ai-actions button[hidden] {
  display: none;
}

.boundary-setup-panel { margin-bottom: 1rem; }
.boundary-form { display: grid; gap: .9rem; }
.boundary-form fieldset { display: flex; gap: 1rem; flex-wrap: wrap; border: 0; padding: 0; }
.boundary-form button { justify-self: start; }

.builder-form {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.admin-settings {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.builder-form input[type="file"],
.builder-form input[type="text"],
.builder-form input[type="number"],
.builder-form select,
.builder-form textarea,
.admin-settings input,
.admin-settings select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: var(--surface-alt);
  color: var(--text);
}

.builder-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.builder-source-text {
  text-transform: none;
}

.builder-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.builder-actions button {
  border-radius: 6px;
}

.builder-actions button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.builder-actions button {
  min-width: 0;
}

.builder-guardrail {
  margin: 16px 16px 0;
}

.extraction-progress-panel {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
}

.extraction-progress-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.extraction-progress-panel p {
  margin: 0;
}

.extraction-progress-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(34, 124, 104, 0.18);
}

.extraction-progress-bar span {
  display: block;
  width: 38%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  animation: extraction-progress 1.4s ease-in-out infinite;
}

@keyframes extraction-progress {
  0% { transform: translateX(-125%); }
  100% { transform: translateX(340%); }
}

@media (prefers-reduced-motion: reduce) {
  .extraction-progress-bar span {
    animation: none;
    transform: translateX(82%);
  }
}

.builder-import-controls {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-subtle);
}

.builder-import-controls label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.builder-import-preview {
  display: grid;
  gap: 16px;
  margin: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
}

.import-preview-section {
  display: grid;
  gap: 8px;
}

.import-preview-section h3 { margin: 0; }
.import-preview-section .data-table { background: var(--surface); }
.review-list { display: grid; gap: 8px; margin: 0; padding-left: 20px; }
.review-list li { display: grid; gap: 2px; }
.review-list li span { color: var(--muted); font-size: 12px; }

.syllabus-results {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: 0 8px 22px rgb(24 34 48 / 14%);
}

.syllabus-result {
  display: grid;
  width: 100%;
  gap: 3px;
  padding: 10px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: white;
  text-align: left;
}

.syllabus-result:last-child { border-bottom: 0; }
.syllabus-result:hover, .syllabus-result:focus { background: var(--accent-soft); }
.syllabus-result strong { color: var(--text); }
.syllabus-result span { color: var(--muted); font-size: 12px; text-transform: none; }
.field-detail { display: block; min-height: 18px; text-transform: none; font-weight: 500; }

.setup-review {
  display: grid;
  gap: 16px;
}

.setup-review-section {
  display: grid;
  gap: 10px;
}

.setup-review-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.setup-review-item {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: var(--surface-alt);
  overflow-wrap: anywhere;
}

.setup-review-item span {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-grid.compact-grid {
  grid-template-columns: repeat(4, minmax(110px, 1fr));
}

.previous-learning-panel .summary-grid.compact-grid {
  grid-template-columns: 1fr;
}

.previous-learning-card {
  display: grid;
  gap: 18px;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.previous-learning-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.previous-learning-card-header h3,
.previous-learning-components h4 {
  margin: 4px 0 0;
}

.previous-learning-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.previous-learning-facts div,
.previous-learning-provenance span {
  min-width: 0;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--surface-alt);
}

.previous-learning-facts dt,
.previous-learning-provenance strong {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.previous-learning-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 700;
}

.previous-learning-components ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.previous-learning-components li {
  display: grid;
  grid-template-columns: minmax(120px, 0.5fr) minmax(0, 2fr);
  gap: 16px;
  align-items: center;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
}

.previous-learning-components li > span {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  color: var(--muted);
}

.previous-learning-provenance {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  overflow-wrap: anywhere;
}

.course-setup-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.course-setup-header h2,
.course-setup-header p {
  margin-top: 0;
}

.course-setup-header h2 {
  margin-bottom: 6px;
}

.course-setup-header .panel-copy {
  margin-bottom: 0;
}

.course-setup-readiness {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 8px;
  min-width: 218px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.course-setup-readiness-dot {
  grid-row: span 2;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.course-setup-readiness.is-pending .course-setup-readiness-dot {
  background: var(--warn);
}

.course-setup-readiness strong {
  color: var(--accent-strong);
}

.course-setup-readiness.is-pending strong {
  color: var(--warn);
}

.course-setup-readiness small {
  grid-column: 2;
  color: var(--muted);
}

.course-setup-summary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.course-setup-safety {
  margin-bottom: 18px;
}

.course-setup-workspace {
  display: grid;
  grid-template-columns: minmax(190px, 220px) minmax(0, 1fr);
  min-width: 0;
  border: 0;
  border-radius: 0;
  background: var(--surface);
  box-shadow: none;
  overflow: hidden;
}

.course-setup-index {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 14px 0;
  border-right: 1px solid var(--line);
  background: var(--surface-subtle);
}

.course-setup-index-heading {
  padding: 4px 16px 10px;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.course-setup-index-item {
  display: grid;
  gap: 5px;
  justify-items: start;
  min-height: 76px;
  margin: 0;
  padding: 13px 16px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.course-setup-index-item:hover,
.course-setup-index-item:focus-visible,
.course-setup-index-item.is-active {
  background: var(--surface);
}

.course-setup-index-item.is-active {
  border-left-color: var(--accent);
}

.course-setup-index-label {
  font-weight: 800;
}

.course-setup-index-meta {
  color: var(--muted);
  font-size: 12px;
}

.course-setup-index-item.is-active .course-setup-index-meta {
  color: var(--accent-strong);
}

.course-setup-focus {
  min-width: 0;
  padding: 0;
}

.course-setup-section > .panel,
.course-setup-section .boundary-setup-panel {
  box-shadow: none;
}

.course-boundary-readiness {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 16px 16px;
}

.course-boundary-readiness > div {
  display: grid;
  gap: 3px;
  min-height: 68px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-subtle);
}

.course-boundary-readiness strong { font-size: 15px; }
.course-boundary-readiness small { color: var(--muted); }

.course-boundary-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px 16px;
}

.course-boundary-actions .roster-status {
  flex: 1;
  min-height: 0;
  padding: 0;
  border-bottom: 0;
}

.course-unit-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.course-unit-mode-toggle {
  display: grid;
  justify-items: start;
  gap: 5px;
  min-height: 68px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  text-align: left;
}

.course-unit-mode-toggle span {
  font-weight: 800;
}

.course-unit-mode-toggle small {
  color: var(--muted);
}

.course-unit-mode-toggle.is-active {
  border-color: var(--accent);
  background: #eef8f4;
  box-shadow: inset 3px 0 0 var(--accent);
}

.course-unit-mode-toggle.is-active small {
  color: var(--accent-strong);
}

.course-unit-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 14px;
  align-items: end;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.course-unit-toolbar label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.course-unit-toolbar input {
  min-height: 38px;
}

.course-unit-toolbar > .muted {
  padding-bottom: 10px;
}

.course-unit-add-panel[hidden] {
  display: none;
}

.course-unit-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr);
  min-width: 0;
}

.course-unit-inventory {
  min-width: 0;
  border-right: 1px solid var(--line);
}

.course-unit-inventory-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.course-unit-row-select {
  display: grid;
  justify-items: start;
  gap: 3px;
  width: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.course-unit-row-select small {
  color: var(--muted);
}

#course-units-table tr.is-selected td {
  background: #eef8f4;
}

#course-units-table tr.is-selected td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}

.course-unit-row-actions {
  white-space: nowrap;
}

.course-unit-row-actions button + button {
  margin-left: 6px;
}

.course-unit-editor {
  min-width: 0;
  padding: 18px;
  background: var(--surface);
}

.course-unit-editor-empty {
  display: grid;
  gap: 8px;
  min-height: 190px;
  align-content: center;
  color: var(--muted);
}

.course-unit-editor-empty strong {
  color: var(--text);
  font-size: 1.05rem;
}

.course-unit-edit-form {
  display: grid;
  gap: 14px;
}

.course-unit-editor-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.course-unit-editor-heading h3,
.course-unit-editor-heading p {
  margin-top: 0;
}

.course-unit-editor-heading h3 {
  margin-bottom: 5px;
}

.course-unit-edit-form > label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.course-unit-edit-form input,
.course-unit-edit-form select {
  min-height: 38px;
}

.course-unit-editor-actions {
  display: grid;
  gap: 8px;
}

.course-unit-editor-actions button {
  justify-self: stretch;
}

.course-unit-editor .reference-rollup-card {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.course-unit-editor .reference-rollup-card .rollup-form {
  grid-template-columns: 1fr;
  padding: 14px 0 0;
  border: 0;
  background: transparent;
}

.course-unit-editor .reference-rollup-card[hidden],
.course-unit-edit-form[hidden],
.course-unit-editor-empty[hidden] {
  display: none;
}

.reference-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 14px;
  align-items: end;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.reference-toolbar label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.reference-toolbar input { min-height: 38px; }
.reference-toolbar > .muted { padding-bottom: 10px; }

.reference-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr);
  min-width: 0;
}

.reference-inventory {
  min-width: 0;
  border-right: 1px solid var(--line);
}

.reference-inventory-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.reference-row-select {
  display: grid;
  justify-items: start;
  gap: 3px;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.reference-row-select small { color: var(--muted); }
#course-syllabus-table tr.is-selected td { background: #eef8f4; }
#course-syllabus-table tr.is-selected td:first-child { box-shadow: inset 3px 0 0 var(--accent); }

.reference-editor {
  min-width: 0;
  padding: 18px;
  background: var(--surface);
}

.reference-editor .empty-state {
  display: grid;
  gap: 8px;
  min-height: 190px;
  align-content: center;
  color: var(--muted);
}

.reference-editor .empty-state strong { color: var(--text); font-size: 1.05rem; }
.reference-editor-form { display: grid; gap: 14px; }

.reference-editor-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.reference-editor-heading h3,
.reference-editor-heading p { margin-top: 0; }
.reference-editor-heading h3 { margin-bottom: 5px; }

.reference-editor-form > label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-weight: 700;
}

.reference-editor-form input,
.reference-editor-form textarea { width: 100%; min-width: 0; }
.reference-editor-form input { min-height: 38px; }
.reference-editor-form textarea { resize: vertical; }

.reference-editor-actions {
  display: grid;
  gap: 8px;
}

.reference-editor-actions button { justify-self: stretch; }

.reference-editor-form[hidden],
.reference-editor .empty-state[hidden] { display: none; }

.safety-panel {
  margin-bottom: 16px;
}

.safety-panel-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.safety-panel h3,
.safety-panel p {
  margin: 0 0 8px;
}

.unit-grade-status-panel {
  margin-bottom: 16px;
}

.unit-grade-status-inner {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
}

.unit-grade-decision-guide {
  display: grid;
  gap: 5px;
  align-content: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.unit-grade-decision-guide strong {
  color: var(--text);
}

.unit-grade-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.unit-grade-toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
}

.unit-grade-toolbar-label,
.unit-grade-toolbar-group legend {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.unit-grade-toolbar-group legend {
  float: left;
  margin-right: 8px;
  padding: 0;
}

.unit-grade-class-group {
  flex-wrap: wrap;
}

.unit-grade-class-group select {
  min-width: 150px;
}

.unit-grade-count {
  white-space: nowrap;
}

.unit-view-modes,
.unit-type-filters {
  flex-wrap: wrap;
}

.unit-view-modes label,
.unit-type-filters label {
  white-space: nowrap;
}

.unit-focus-select {
  min-width: 0;
}

.unit-focus-select select {
  min-width: 150px;
}

.safety-actions {
  display: grid;
  align-content: start;
  gap: 8px;
}

.safety-actions button,
.row-action {
  border-radius: 6px;
}

.lock-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
}

.lock-pill.locked {
  border-color: #d7a76e;
  background: #fff7ea;
  color: var(--warn);
}

.lock-pill.open {
  border-color: #9acfbf;
  background: #eef8f4;
  color: var(--accent-strong);
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: 24px;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
}

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

.panel-actions button {
  border-radius: 6px;
}

.roster-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr)) auto;
  gap: 12px;
  align-items: end;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.roster-form label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; font-weight: 700; }
.roster-form input { min-height: var(--control-height); }

.class-roster-tools {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto auto;
  gap: 14px;
  align-items: end;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.class-roster-tools label:not(.inline-toggle) {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.class-roster-tools input[type="search"] {
  min-height: 38px;
}

.course-reference-form {
  grid-template-columns: minmax(110px, .7fr) minmax(220px, 2fr) minmax(130px, .8fr) minmax(80px, .5fr) auto;
}

.syllabus-reference-form {
  grid-template-columns: minmax(130px, .8fr) minmax(320px, 3fr) minmax(80px, .5fr) auto;
}

.course-reference-form select {
  min-height: var(--control-height);
}

.reference-form-note {
  margin: 0;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 13px;
}

.reference-import-card {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(130px, auto) auto;
  gap: 12px;
  align-items: center;
  margin: 16px;
  padding: 16px;
  border: 1px solid #9ed8c9;
  border-radius: 8px;
  background: #edf7f4;
}

.reference-import-card h3,
.reference-import-card p { margin: 0; }
.reference-import-card p { margin-top: 5px; color: var(--muted); font-size: 13px; }
.reference-import-card input[type="file"] { display: none; }
.file-picker-button { display: inline-flex; align-items: center; min-height: var(--control-height); padding: 0 14px; border: 1px solid var(--line); border-radius: 6px; background: white; color: var(--text); font-weight: 700; cursor: pointer; }
.reference-manual-heading { margin: 0; padding: 8px 16px; border-top: 1px solid var(--line); background: var(--surface-subtle); font-size: 14px; }
.syllabus-import-summary { display: grid; grid-template-columns: repeat(5, minmax(90px, 1fr)); gap: 10px; margin-bottom: 16px; }
.syllabus-import-summary div { padding: 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-subtle); }
.syllabus-import-summary strong { display: block; margin-top: 4px; font-size: 22px; }
.import-action { display: inline-flex; padding: 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 800; text-transform: capitalize; }
.import-action.create { color: #0b6654; background: #dff4ed; }
.import-action.update { color: #775000; background: #fff0c7; }
.import-action.unchanged { color: var(--muted); background: var(--surface-alt); }
.import-action.invalid { color: #a32118; background: #fee8e6; }

@media (max-width: 900px) {
  .view-context-header {
    flex-direction: column;
  }

  .active-context {
    width: 100%;
  }

  .change-diff-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .unit-type-filters {
    flex-wrap: wrap;
  }
  .reference-import-card { grid-template-columns: 1fr; }
  .syllabus-import-summary { grid-template-columns: repeat(2, minmax(90px, 1fr)); }
  .roster-actions-bar { align-items: stretch; flex-direction: column; padding-block: 12px; }
  .roster-actions-bar .panel-actions { flex-wrap: wrap; }
  .roster-filter-bar { grid-template-columns: 1fr; }
  .review-stage-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* RT5-14 daily grading workspace: grid first, detail on demand. */
.gradebook-score-workspace {
  display: block;
}

#gradebook-view > .toolbar {
  grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 1fr) minmax(260px, 1.6fr) auto minmax(150px, auto);
}

#gradebook-view .save-cluster {
  min-width: 150px;
}

.gradebook-score-workspace > .panel:first-child {
  display: none;
}

.gradebook-score-workspace > .grid-panel {
  min-width: 0;
}

.gradebook-score-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 14px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.gradebook-score-context h2 {
  margin: 0 0 3px;
  font-size: 18px;
}

.gradebook-context-states,
.gradebook-review-actions,
.assessment-picker-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gradebook-context-states {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.toolbar-label {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.gradebook-assessment-picker {
  min-width: 230px;
}

.assessment-picker-menu {
  position: relative;
}

.assessment-picker-menu summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
  min-height: var(--control-height);
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  list-style: none;
}

.assessment-picker-menu summary::-webkit-details-marker { display: none; }

.assessment-picker-popover {
  position: absolute;
  z-index: 20;
  top: calc(100% + 8px);
  left: 0;
  width: min(360px, calc(100vw - 32px));
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-raised);
}

.assessment-picker-search input { width: 100%; }
.assessment-picker-list {
  display: grid;
  max-height: 280px;
  margin: 8px 0;
  overflow: auto;
}

.assessment-picker-option {
  display: grid;
  gap: 2px;
  min-height: 52px;
  padding: 8px 10px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  text-align: left;
}

.assessment-picker-option.active { background: var(--accent-soft); color: var(--accent-strong); }
.assessment-picker-option small { color: var(--muted); }
.assessment-picker-nav { justify-content: space-between; }
.assessment-picker-nav button { min-height: 34px; padding-inline: 9px; }

.gradebook-student-review {
  margin-top: 14px;
  border-left: 3px solid var(--accent);
}

.gradebook-student-review-body { min-height: 84px; }
.gradebook-review-actions { justify-content: flex-end; margin-top: 14px; }
.gradebook-review-actions button { min-height: 38px; }
.gradebook-review-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 10px 0;
}
.gradebook-review-summary > div {
  display: grid;
  gap: 2px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
}
.gradebook-review-summary small { color: var(--muted); }
.gradebook-student-select {
  display: inline-grid;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  font-weight: 700;
}
.gradebook-student-select small { color: var(--muted); font-weight: 500; }
.gradebook-student-select:hover { color: var(--accent-strong); text-decoration: underline; }

#score-grid tbody tr.return-highlight td {
  background: var(--accent-soft);
  transition: background-color 1.2s ease;
}

#score-grid { min-width: max-content; }
#score-grid thead th { position: sticky; top: 0; z-index: 2; background: var(--surface-alt); }
#score-grid thead th:first-child,
#score-grid tbody td:first-child { position: sticky; left: 0; z-index: 3; background: var(--surface); }
#score-grid thead th:first-child { z-index: 4; background: var(--surface-alt); }
#score-grid .score-input { min-width: 66px; width: 66px; text-align: center; }

.unit-grade-toolbar { align-items: center; }
#unit-grades-save-confirmation { white-space: nowrap; }

@media (max-width: 900px) {
  #gradebook-view > .toolbar { grid-template-columns: 1fr; }
  .gradebook-score-context { align-items: flex-start; flex-direction: column; gap: 10px; padding: 14px; }
  .gradebook-context-states { justify-content: flex-start; }
  .gradebook-assessment-picker { min-width: 0; }
  .assessment-picker-menu summary { min-height: 44px; }
  .assessment-picker-popover { position: fixed; top: 132px; left: 64px; width: min(320px, calc(100vw - 76px)); }
  .gradebook-review-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gradebook-student-review { margin-top: 12px; }
  .gradebook-review-actions { justify-content: stretch; flex-wrap: wrap; }
  .gradebook-review-actions button { flex: 1 1 180px; }
}

button[data-save-course-unit]:disabled,
button[data-save-syllabus-item]:disabled {
  opacity: 1;
  color: var(--accent-strong);
  background: #edf7f4;
}

.reference-description-field {
  min-width: 260px;
}

.reference-table-input {
  width: 100%;
  min-width: 100px;
}
.reference-lock-note { display: block; margin-top: 5px; font-size: 11px; }
.roster-status { min-height: 18px; padding: 7px 16px; border-bottom: 1px solid var(--line); }

.class-inventory-panel,
.class-roster-panel {
  overflow: hidden;
}

.class-actions-bar,
.roster-actions-bar {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.class-actions-bar {
  border-top: 3px solid var(--accent);
  margin-bottom: 16px;
}

.class-actions-bar .panel-header,
.roster-actions-bar {
  min-height: 56px;
  padding: 0 16px;
}

.class-roster-panel {
  border-top: 3px solid var(--accent-strong);
  width: min(980px, 100%);
  margin: 16px 0 0 auto;
  box-shadow: -12px 8px 28px rgba(24, 32, 47, 0.08);
}

.class-roster-panel[hidden] { display: none; }

.roster-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 14px;
}

.roster-actions-bar > div:first-child { display: grid; gap: 3px; }
.roster-import-actions { flex-wrap: wrap; }
.roster-import-actions > .muted { white-space: nowrap; }

.roster-form-modal-content[hidden] { display: none; }

.roster-filter-bar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(170px, 220px) auto;
  gap: 12px;
  align-items: end;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.roster-filter-bar label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; font-weight: 700; }
.roster-filter-bar input, .roster-filter-bar select { min-height: 44px; }
.roster-import-include { width: 44px; height: 44px; margin: 0; }
.data-table input[type="checkbox"][data-rollover-student-id] { width: 44px; height: 44px; margin: 0; }

/* Keep the filter controls inside a narrow document; the roster table owns
   horizontal scrolling for its wide columns. This override intentionally
   follows the base roster rule so its min-widths remain effective. */
@media (max-width: 600px) {
  .roster-filter-bar {
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    width: 100%;
  }

  .roster-filter-bar > * {
    min-width: 0;
    max-width: 100%;
  }

  .roster-filter-bar input,
  .roster-filter-bar select {
    width: 100%;
    min-width: 0;
  }
}

.review-stage-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(90px, 1fr));
  gap: 6px;
  margin: 0 0 16px;
}

.review-stage {
  display: grid;
  gap: 3px;
  min-height: 48px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-subtle);
  color: var(--muted);
  font-size: 11px;
}

.review-stage strong { color: var(--text); font-size: 12px; }
.review-stage.complete { border-color: #9acfbf; background: #eef8f4; }
.review-stage.current { border-color: #b7c8e5; background: #f0f5ff; }
.review-stage.blocked { border-color: #d7a76e; background: #fff7ea; }
.review-stage-note { margin: -4px 0 16px; color: var(--muted); font-size: 13px; }

.class-section-heading {
  display: grid;
  gap: 2px;
}

.class-roster-panel:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.class-roster-teachers { margin: 0; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.class-roster-panel .panel-actions { align-items: center; }
.class-row-title .status-pill,
.class-row-title .status { display: inline-flex; align-items: center; gap: 4px; }
.class-row-title .status-pill svg,
.class-row-title .status svg { width: 14px; height: 14px; }

.class-section-heading.section-title-with-icon {
  grid-template-columns: 22px 1fr;
  column-gap: 8px;
}

.class-section-heading.section-title-with-icon .section-marker {
  grid-row: 1 / span 2;
}

.section-title-with-icon .section-marker {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  color: var(--accent-strong);
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
}

h2.section-title-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.classes-intro {
  margin: 0;
  padding: 0 16px 14px;
}

.class-row.selected-row td {
  background: #eef8f4;
}

.class-row.selected-row td:first-child {
  box-shadow: inset 4px 0 0 var(--accent);
}

.class-row-title {
  display: grid;
  gap: 5px;
}

.class-row-title .status {
  width: fit-content;
  border-radius: 999px;
  padding: 2px 7px;
  background: #dff4ed;
  font-size: 11px;
  text-transform: uppercase;
}

.class-row-title .current-status {
  color: var(--accent-strong);
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  min-height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 8px;
  color: var(--muted);
  background: var(--surface-alt);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.status-pill.status-success {
  border-color: #9acfbf;
  color: var(--accent-strong);
  background: #eef8f4;
}

.status-pill.status-progress {
  border-color: #b7c8e5;
  color: #365c91;
  background: #f0f5ff;
}

.status-pill.status-warning {
  border-color: #d7a76e;
  color: var(--warn);
  background: #fff7ea;
}

.status-pill.status-attention {
  border-color: #e4a39d;
  color: var(--danger);
  background: #fff1ef;
}

.status-pill.status-neutral {
  color: var(--muted);
  background: var(--surface-alt);
}

.class-rename-field {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.class-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.action-help {
  display: block;
  max-width: 220px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.student-details-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--accent-strong);
  font: inherit;
  font-weight: 700;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: transparent;
}

.student-details-button:hover,
.student-details-button:focus-visible {
  text-decoration-color: currentColor;
}

.student-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.student-detail-grid > div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-alt);
}

.detail-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.student-history-detail {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.student-history-detail h3 {
  margin-top: 0;
}

.student-history-detail p {
  margin: 5px 0;
  color: var(--muted);
}

.inline-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.inline-toggle input {
  width: 16px;
  height: 16px;
}

.inline-toggle select {
  min-height: var(--control-height);
  width: auto;
  min-width: 120px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.assessment-list {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.assessment-group {
  display: grid;
  gap: 8px;
}

.assessment-group h3 {
  margin: 10px 4px 0;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.assessment-filter,
.assessment-item {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: var(--surface-alt);
  text-align: left;
}

.assessment-filter {
  min-height: 38px;
  color: var(--muted);
  font-weight: 700;
}

.assessment-filter.active,
.assessment-item.active {
  border-color: var(--accent);
  background: #eef8f4;
  box-shadow: inset 3px 0 0 var(--accent);
}

.assessment-item strong {
  display: block;
  margin-bottom: 6px;
}

.assessment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.status {
  color: var(--accent-strong);
  font-weight: 700;
}

.status.unassigned {
  color: var(--warn);
}

.grid-panel {
  min-height: 480px;
}

.grid-scroll {
  max-width: 100%;
  overflow: auto;
  max-height: calc(100vh - 190px);
  contain: inline-size;
}

.grid-scroll.compact-scroll {
  max-height: 360px;
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.data-table {
  min-width: 720px;
}

.review-blocking-row td {
  background: #fff7ea;
  box-shadow: inset 0 3px 0 #d7a76e, inset 0 -3px 0 #d7a76e;
}

.review-blocking-row td:first-child {
  box-shadow: inset 4px 0 0 var(--warn), inset 0 3px 0 #d7a76e, inset 0 -3px 0 #d7a76e;
}

#unit-grades-table {
  border-collapse: separate;
  border-spacing: 0;
}

#unit-grades-view > .panel {
  overflow: hidden;
}

#unit-grades-table thead th {
  z-index: 3;
}

#unit-grades-table thead th:first-child {
  left: 0;
  z-index: 5;
  min-width: 190px;
  background: var(--surface-alt);
}

#unit-grades-table tbody td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--surface);
  box-shadow: 1px 0 0 var(--line);
}

#unit-grades-table tbody tr:hover td:first-child,
#unit-grades-table tbody tr:focus-within td:first-child {
  background: var(--surface-alt);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

td.numeric {
  text-align: right;
}

td.score-cell {
  width: 120px;
}

.score-input {
  width: 84px;
  min-height: var(--control-height);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 8px;
  text-align: right;
}

.score-input.invalid {
  border-color: var(--danger);
  background: #fff5f3;
}

.score-input.dirty {
  border-color: var(--accent);
  background: #eef8f4;
}

.score-input.invalid.dirty {
  border-color: var(--danger);
  background: #fff5f3;
}

.score-input.conflict,
.unit-final-grade-select.conflict {
  border-color: var(--warn);
  background: #fff8e6;
  box-shadow: 0 0 0 2px rgba(164, 93, 19, 0.16);
}

.readonly-score {
  display: inline-flex;
  min-width: 84px;
  min-height: var(--control-height);
  align-items: center;
  justify-content: flex-end;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-alt);
  color: var(--muted);
  padding: 0 8px;
}

.unit-grade-cell {
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  min-width: 128px;
  padding: 8px 10px;
  text-align: left;
}

.unit-grade-cell.open {
  border-color: var(--accent);
  border-width: 2px;
}

.unit-grade-cell.pending {
  border-color: var(--line-strong, var(--line));
  border-style: dashed;
}

.unit-grade-cell.review-required {
  border-color: var(--warn);
  border-width: 2px;
  background: #fff8e6;
}

.unit-grade-cell span {
  color: var(--muted);
  font-size: 0.82rem;
}

.unit-grade-cell .unit-grade-state {
  align-self: flex-start;
  min-height: 18px;
  color: var(--muted);
  font-weight: 700;
}

.unit-grade-state-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.unit-grade-state-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.unit-grade-state-legend svg { width: 15px; height: 15px; }

.unit-grade-cell .unit-grade-context {
  font-size: 0.76rem;
}

.unit-grade-cell .unit-grade-marker {
  font-size: 0.76rem;
  font-weight: 700;
}

.unit-grade-cell.open .unit-grade-marker { color: var(--accent); }
.unit-grade-cell.review-required .unit-grade-marker { color: #8a5a00; }

.student-cell {
  min-width: 190px;
  font-weight: 700;
}

.student-email {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.empty-state {
  padding: 18px;
  color: var(--muted);
}

.empty-state.compact {
  padding: 10px 0;
}

.modal {
  width: min(900px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.unit-review-modal {
  width: min(1280px, calc(100vw - 32px));
}

.unit-review-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  gap: 16px;
  align-items: start;
}

.unit-review-grid-scroll {
  max-height: calc(100vh - 260px);
}

.unit-review-table {
  min-width: 820px;
}

.unit-review-table th,
.unit-review-table td {
  white-space: nowrap;
}

.unit-review-table .selected-row td {
  background: #eef8f4;
}

.unit-review-header-button,
.unit-review-student-button {
  border: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: transparent;
}

.unit-review-header-button:hover,
.unit-review-header-button:focus-visible,
.unit-review-student-button:hover,
.unit-review-student-button:focus-visible {
  color: var(--accent-strong);
  text-decoration-color: currentColor;
}

.unit-final-grade-select {
  min-width: 112px;
}

.unit-final-grade-select.is-dirty {
  border-color: var(--accent);
  background: #eef8f4;
}

.unit-review-side {
  position: sticky;
  top: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px;
  background: var(--surface-alt);
}

.unit-review-side h3 {
  margin: 2px 0 14px;
}

.unit-review-metrics {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.unit-review-metrics div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.unit-review-metrics span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.unit-evidence-status {
  display: grid;
  gap: 7px;
  margin: 14px 0;
}

.unit-evidence-status div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.unit-evidence-status dt,
.unit-evidence-status dd {
  margin: 0;
}

.unit-evidence-status dt {
  color: var(--muted);
}

.unit-evidence-status dd {
  text-align: right;
}

.unit-review-table small {
  display: block;
  max-width: 190px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 400;
}

.unit-grade-review-status {
  display: inline-flex;
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.unit-grade-review-status.confirmed { color: var(--accent-strong); }
.unit-grade-review-status.review_required { color: #8a5a00; background: #fff8e6; }
.unit-grade-review-status { display: inline-flex; align-items: center; gap: 5px; }
.unit-grade-review-status svg,
.unit-grade-state svg { width: 15px; height: 15px; flex: 0 0 auto; }
.unit-grade-conflict { color: var(--warn); font-size: 11px; font-weight: 700; }

.compact-table {
  margin-top: 14px;
  font-size: 13px;
}

.modal::backdrop {
  background: rgba(24, 32, 47, 0.32);
}

.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.modal-header button,
.modal-footer button {
  border-radius: 6px;
}

.draft-transition-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.draft-transition-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.modal-body {
  padding: 16px;
}

.builder-package-modal .modal-body {
  max-height: calc(100vh - 132px);
  overflow: auto;
}

.builder-package-modal .setup-review .grid-scroll {
  max-height: min(46vh, 520px);
}

.review-callout {
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.review-callout.locked {
  border-color: #d7a76e;
  background: #fff7ea;
  color: var(--warn);
}

.review-callout.open {
  border-color: #9acfbf;
  background: #eef8f4;
  color: var(--accent-strong);
}

.unread-row td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}

.change-review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.change-review-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--surface-alt);
}

.change-review-card span,
.change-review-card strong {
  display: block;
}

.change-review-card span {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.change-review-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.change-review-card.change-primary,
.change-focus {
  border: 2px solid var(--accent);
  background: var(--accent-soft);
}

.change-diff-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.change-diff-row {
  display: grid;
  grid-template-columns: minmax(130px, 0.7fr) minmax(130px, 1fr) auto minmax(130px, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.diff-before {
  color: var(--muted);
  text-decoration: line-through;
}

.diff-after {
  color: var(--text);
  font-weight: 700;
}

.field-stack {
  display: grid;
  gap: 0.45rem;
  margin-top: 1rem;
  font-weight: 700;
}

.field-stack textarea {
  width: 100%;
  resize: vertical;
}

.unit-type-filters {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.unit-view-modes {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.unit-view-modes legend {
  float: left;
  margin-right: 0.35rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.unit-view-modes > label:not(.unit-focus-select) {
  min-height: var(--control-height);
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  font-weight: 700;
  white-space: nowrap;
}

.unit-view-modes > label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.unit-view-modes input { margin-right: 0.3rem; }

.unit-focus-select {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.unit-focus-select select:disabled {
  opacity: 0.6;
}

.unit-type-filters legend {
  float: left;
  margin-right: 0.35rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.unit-type-filters label,
.unit-type-filters button {
  min-height: var(--control-height);
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  font-weight: 700;
  white-space: nowrap;
}

.unit-type-filters label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.unit-type-filters input { margin-right: 0.3rem; }

.change-list,
.change-history {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.change-list li,
.change-history li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
}

.change-list li div,
.change-history li {
  min-width: 0;
}

.change-list li div span,
.change-history li span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.change-actions {
  margin: 18px -16px -16px;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.primary-action,
#shared-change-final-button {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--surface);
}

.confirmation-check {
  display: flex;
  max-width: 360px;
  align-items: flex-start;
  gap: 8px;
  text-transform: none;
}

.confirmation-check input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.review-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.assignment-review-controls,
.assignment-register-toolbar,
.assignment-sticky-footer,
.assignment-selection-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.assignment-review-controls {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.assignment-review-controls label {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr);
  align-items: center;
  gap: 10px;
  flex: 1;
  max-width: 420px;
  color: var(--muted);
  font-weight: 700;
}

.assignment-review-controls select {
  min-height: 38px;
}

.assignment-register-toolbar {
  margin-bottom: 10px;
}

.assignment-register-toolbar strong,
.assignment-register-toolbar .muted {
  display: block;
}

.assignment-register-actions,
.assignment-sticky-footer .panel-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.assignment-review-list-wrap {
  max-height: 46vh;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-alt);
}

.assignment-student-list,
.assignment-class-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.assignment-student-row,
.assignment-class-list li {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
}

.assignment-student-row:last-child,
.assignment-class-list li:last-child {
  border-bottom: 0;
}

.assignment-student-row label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  color: var(--text);
  font-weight: 600;
}

.assignment-student-row input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 1px;
}

.assignment-student-row.is-unavailable {
  color: var(--muted);
  background: #f4f6f8;
}

.assignment-student-reason,
.assignment-class-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.assignment-selection-summary {
  margin-top: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-alt);
  font-size: 13px;
}

.assignment-selection-summary.locked {
  color: var(--danger);
}

.assignment-sticky-footer {
  position: sticky;
  bottom: -16px;
  z-index: 1;
  margin: 12px -16px -16px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.assignment-class-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.assignment-all-classes {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.assignment-all-classes .section-heading {
  margin: 0;
  padding: 12px;
  background: var(--surface-alt);
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 12px;
}

.setup-grid input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--surface-alt);
  color: var(--text);
}

.schema-section {
  margin-top: 18px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.section-heading h3 {
  margin: 0;
  font-size: 14px;
}

.schema-table {
  min-width: 0;
}

.review-columns h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.student-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.student-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: var(--surface-alt);
}

.student-list li.is-unavailable {
  color: var(--muted);
  background: #f4f6f8;
}

.student-class-label {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.student-list button {
  border-radius: 6px;
}

.copy-preview {
  width: 100%;
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--surface-alt);
  color: var(--text);
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

.export-scope-control {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr);
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--muted);
  font-weight: 700;
}

.export-scope-control select {
  width: 100%;
}

.analytics-stack {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.bar-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.bar-row strong {
  color: var(--text);
  text-align: right;
}

.bar-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-alt);
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.error-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--danger);
  border-radius: 6px;
  padding: 12px;
  background: #fff5f3;
  color: var(--danger);
  font-weight: 700;
}

.error-banner-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 0 0 auto;
}

.auth-return-banner-success {
  border-color: var(--success, #2f7d5b);
  background: #edf8f1;
  color: var(--success, #2f7d5b);
}

@media (max-width: 640px) {
  .error-banner {
    align-items: stretch;
    flex-direction: column;
  }
}

.admin-workspace-state {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  background: var(--surface-alt);
  color: var(--text);
  font-weight: 700;
}

.admin-workspace-state.is-blocked {
  border-color: var(--warn);
}

.admin-workspace-state.is-error {
  border-color: var(--danger);
  background: #fff5f3;
  color: var(--danger);
}

#login-dialog::backdrop {
  background: rgb(24 34 48 / 55%);
}

#login-form {
  display: grid;
  gap: 16px;
}

.login-provider-action {
  display: block;
  text-align: center;
  text-decoration: none;
}

.login-divider {
  margin: -4px 0;
  text-align: center;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

#mode-pill.mode-admin {
  background: var(--warning-soft, #fff4d6);
  color: var(--ink, #24344a);
}

#login-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.error-text {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
  font-weight: 700;
}

.reference-rollup-card {
  margin: 0 20px 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-alt);
}

.reference-rollup-card h3,
.reference-rollup-card p {
  margin-top: 0;
}

.rollup-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 12px;
  align-items: end;
}

.rollup-form label,
.calculation-form-grid label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.rollup-members-field {
  grid-column: span 2;
}

.rollup-members-field select {
  min-height: 96px;
}

.calculation-form-grid {
  display: grid;
  gap: 18px;
}

.calculation-form-grid fieldset {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.calculation-form-grid fieldset > label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.calculation-input-row,
.calculation-boundary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 10px;
}

@media (max-width: 900px) {
  .app-shell.sidebar-collapsed .workspace {
    grid-template-columns: 1fr;
  }

  .workspace,
  .course-setup-workspace,
  .course-unit-workspace,
  .reference-workspace,
  .split,
  .analytics-layout,
  .analytics-layout.lower,
  .builder-layout,
  .admin-layout,
  .admin-provisioning-form,
  .builder-meta-grid,
  .setup-review-list,
  .safety-panel-inner,
  .decision-context,
  .review-columns,
  .setup-grid,
  .change-review-grid,
  .unit-review-layout,
  .toolbar,
  .summary-grid,
  .summary-grid.compact-grid {
    grid-template-columns: 1fr;
  }

  .previous-learning-facts,
  .previous-learning-provenance,
  .previous-learning-components li,
  .previous-learning-components li > span {
    grid-template-columns: 1fr;
  }

  .admin-ai-next-step {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-ai-progress {
    white-space: normal;
  }

  .workspace-scope,
  .assessment-workspace-controls { align-items: stretch; flex-direction: column; }
  .analytics-scope-controls { grid-template-columns: 1fr; }
  .decision-context-next { border-left: 0; border-top: 1px solid var(--line); padding: 12px 0 0; }
  .scope-switch button { flex: 1; }
  .assessment-workspace-actions button { flex: 1; }

  .assessment-inventory-toolbar,
  .assessment-inventory-layout { grid-template-columns: 1fr; }
  .assessment-inventory-list { max-height: 45vh; }

  .builder-actions { align-items: stretch; }
  .builder-actions button { flex: 1 1 180px; }
  .builder-question-scroll { max-height: min(58vh, 560px); }

  .assignment-review-controls,
  .assignment-register-toolbar,
  .assignment-sticky-footer { align-items: stretch; flex-direction: column; }
  .assignment-review-controls label { grid-template-columns: 1fr; max-width: none; }
  .assignment-register-actions,
  .assignment-sticky-footer .panel-actions { justify-content: stretch; }
  .assignment-register-actions button,
  .assignment-sticky-footer button { flex: 1; }

  .sidebar {
    display: flex;
    min-width: 0;
    max-width: 100%;
    padding: var(--space-2) var(--space-3);
    gap: 8px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar-header {
    display: none;
  }

  .app-shell.sidebar-collapsed .sidebar {
    padding: var(--space-2) var(--space-3);
  }

  .app-shell.sidebar-collapsed .nav-group-label-text,
  .app-shell.sidebar-collapsed .nav-item-label {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: nowrap;
    border: 0;
  }

  .app-shell.sidebar-collapsed .nav-item {
    justify-content: initial;
    padding-inline: 14px;
  }

  .nav-group {
    display: flex;
    flex: 0 0 auto;
    gap: 8px;
    margin-bottom: 0;
  }

  .nav-group-label {
    align-self: center;
    margin: 0 0 0 4px;
    white-space: nowrap;
  }

  .nav-item {
    width: auto;
    min-width: 120px;
    margin-bottom: 0;
  }

  #save-button {
    justify-self: stretch;
  }

  .save-cluster {
    justify-self: stretch;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    flex-wrap: wrap;
  }

  .topbar-actions > * {
    max-width: 100%;
  }

  .roster-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .class-roster-tools {
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
  }

  .class-roster-tools input,
  .class-roster-tools button {
    width: 100%;
    min-width: 0;
  }

  .student-detail-grid {
    grid-template-columns: 1fr;
  }

  .rollup-form {
    grid-template-columns: 1fr;
  }

  .rollup-members-field {
    grid-column: auto;
  }

  .roster-form label,
  .roster-form input,
  .roster-form button {
    width: 100%;
    min-width: 0;
  }

  .panel-header {
    align-items: flex-start;
    flex-wrap: wrap;
    padding-block: 10px;
  }

  .course-setup-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .course-setup-index-heading {
    grid-column: 1 / -1;
  }

  .course-setup-index-item {
    min-height: 70px;
    border-left: 0;
    border-bottom: 3px solid transparent;
  }

  .course-setup-index-item.is-active {
    border-bottom-color: var(--accent);
  }

  .course-unit-inventory {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .reference-inventory {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .course-unit-editor {
    padding: 14px;
  }

  .reference-editor { padding: 14px; }

  #unit-grades-view .unit-grade-toolbar {
    width: 100%;
    justify-content: flex-start;
  }

  #unit-grades-view .unit-grade-toolbar-group {
    flex: 1 1 260px;
    min-width: 0;
  }

  #unit-grades-view .unit-view-modes,
  #unit-grades-view .unit-type-filters {
    min-width: 0;
  }
}

@media (max-width: 600px) {
  .modal {
    max-width: calc(100vw - 24px);
  }

  #admin-reauth-dialog {
    width: calc(100vw - 24px);
  }

  #unit-grades-view .unit-grade-toolbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  #unit-grades-view .unit-grade-toolbar-group {
    width: 100%;
  }

  #unit-grades-view .unit-grade-class-group select,
  #unit-grades-view .unit-focus-select,
  #unit-grades-view .unit-focus-select select {
    width: 100%;
    min-width: 0;
  }

  .course-unit-mode-switch,
  .course-unit-toolbar,
  .reference-toolbar,
  .course-boundary-readiness {
    grid-template-columns: 1fr;
  }

  .course-unit-toolbar > .muted {
    padding-bottom: 0;
  }

  .reference-toolbar > .muted { padding-bottom: 0; }
  .course-boundary-actions { align-items: stretch; flex-direction: column; }

  .course-setup-header {
    flex-direction: column;
    gap: 12px;
  }

  .course-setup-readiness {
    width: 100%;
  }

  .course-setup-index {
    display: flex;
    grid-template-columns: none;
    gap: 8px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 8px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .course-setup-index-heading {
    flex: 0 0 auto;
    align-self: center;
    padding: 8px 4px 8px 0;
  }

  .course-setup-index-item {
    flex: 0 0 156px;
    min-height: 56px;
    min-width: 44px;
    padding: 10px 12px;
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: var(--radius-sm);
  }

  .course-setup-index-item.is-active {
    border-left-color: transparent;
    box-shadow: inset 0 -3px 0 var(--accent);
  }

  .course-setup-index-item:focus-visible { outline-offset: -3px; }

  .workspace-identity {
    margin-left: var(--space-2);
    padding-left: var(--space-3);
  }

  .builder-actions button { flex-basis: 100%; }
  .builder-actions,
  .modal-footer { align-items: stretch; }
  .modal-footer button { width: 100%; }
  .modal-footer .confirmation-check { flex-basis: 100%; max-width: none; }
  .builder-question-scroll { max-height: min(52vh, 460px); }
}

/* RT5-13 approved shell/auth and Admin local-workspace foundation. */
.lucide-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  vertical-align: -3px;
}

button,
.primary-action,
.secondary-action,
.account-system-menu summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.auth-surface {
  min-height: 100vh;
  background: var(--surface);
}

.auth-surface-inner {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(480px, 1fr);
  min-height: 100vh;
}

.auth-brand-panel {
  display: grid;
  align-content: space-between;
  min-width: 0;
  padding: clamp(36px, 5vw, 76px);
  background: var(--accent);
  color: #ffffff;
}

.auth-brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 460px;
}

.auth-brand-lockup .brand-mark {
  width: 48px;
  height: 48px;
}

.auth-brand-lockup .brand-mark .lucide-icon {
  width: 26px;
  height: 26px;
}

.auth-brand-lockup .brand-mark {
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.auth-brand-lockup .brand-name,
.auth-brand-message .eyebrow {
  color: #ffffff;
}

.auth-brand-subtitle {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.auth-brand-message {
  max-width: 600px;
  padding-block: clamp(52px, 12vh, 144px);
}

.auth-brand-message h2 {
  max-width: 620px;
  margin: 12px 0 22px;
  color: #ffffff;
  font-size: clamp(42px, 5.2vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.auth-login-panel {
  display: grid;
  place-items: center;
  min-width: 0;
  padding: clamp(36px, 7vw, 112px);
  background: var(--surface);
}

.auth-card {
  display: grid;
  gap: 20px;
  width: min(520px, 100%);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--surface);
  box-shadow: none;
}

.auth-card h1 { margin: 0; font-size: clamp(34px, 3.2vw, 50px); line-height: 1.08; letter-spacing: -0.035em; }
.auth-intro { margin: -8px 0 0; color: var(--muted); line-height: 1.5; }
.login-provider-action { min-height: 52px; box-shadow: var(--shadow-raised); }
.local-sign-in-block { display: grid; gap: 16px; }
.local-sign-in-block form { display: grid; gap: 14px; }
.local-sign-in-block label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 700; }
.local-sign-in-block input { width: 100%; }
.local-sign-in-block .error-text:empty { display: none; }
.login-divider { display: flex; align-items: center; gap: 12px; margin: 0; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.login-divider::before, .login-divider::after { content: ''; height: 1px; flex: 1; background: var(--line); }
.auth-footnote { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--muted); font-size: 12px; }

.account-system-menu { position: relative; }
.account-system-menu summary { min-height: var(--control-height); padding: 0 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--muted); cursor: pointer; list-style: none; font-size: 12px; font-weight: 700; }
.account-system-menu summary::-webkit-details-marker { display: none; }
.account-system-menu-body { position: absolute; z-index: 10; top: calc(100% + 8px); right: 0; display: grid; gap: 8px; min-width: 210px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: var(--shadow-raised); }
.account-system-menu-body .pill { justify-content: flex-start; }
.account-system-menu-body button { width: 100%; justify-content: flex-start; }
.topbar-sign-out { min-height: var(--control-height); white-space: nowrap; }

.admin-workspace-layout { display: grid; grid-template-columns: 244px minmax(0, 1fr); gap: 20px; align-items: start; }
.admin-local-index { position: sticky; top: 16px; display: grid; gap: 6px; padding: 14px 10px; border: 1px solid #c7d9d6; border-radius: 12px; background: #eef7f4; }
.admin-local-index-heading { margin: 0 8px 8px; color: var(--accent-strong); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.admin-local-index-item { display: grid; grid-template-columns: 20px minmax(0, 1fr); justify-content: start; align-items: start; gap: 10px; width: 100%; min-height: 64px; padding: 10px; border-color: transparent; background: transparent; color: var(--text); text-align: left; }
.admin-local-index-item span:nth-child(2) { display: grid; gap: 3px; }
.admin-local-index-item strong { font-size: 13px; }
.admin-local-index-item small { color: var(--muted); font-size: 11px; line-height: 1.35; }
.admin-local-index-item:hover, .admin-local-index-item:focus-visible { border-color: #9ed8c9; background: var(--surface); }
.admin-local-index-item.is-active { border-color: var(--accent); background: var(--surface); color: var(--accent-strong); box-shadow: 0 2px 0 var(--accent); }
.admin-local-index-item.is-active small { color: var(--muted); }
.admin-focus-workspace { min-width: 0; }
.admin-focus-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.admin-focus-heading h2 { margin-bottom: 4px; font-size: 22px; }
.admin-focus-heading .panel-copy { margin: 0; }
.admin-section-panel { display: grid; gap: 16px; }
.admin-section-panel[hidden] { display: none; }
.admin-section-panel > .panel { margin: 0; }
.admin-year-panel, .admin-course-panel { overflow: hidden; }
.admin-year-form { grid-template-columns: repeat(4, minmax(130px, 1fr)) auto; align-items: end; }
.admin-readiness-callout { display: flex; align-items: flex-start; gap: 12px; padding: 16px; border: 1px solid #b9d7d0; border-radius: 10px; background: #f0f8f5; color: var(--accent-strong); }
.admin-readiness-callout p { margin: 4px 0 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.status-cell { white-space: nowrap; font-weight: 700; }
.status-planned { color: #17639a; }
.status-active { color: var(--accent-strong); }
.status-closed { color: var(--muted); }
.admin-section-panel .admin-provisioning-form button { white-space: nowrap; }
.admin-create-container { display: grid; gap: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-alt); }
.admin-create-container summary { display: flex; align-items: center; gap: 10px; padding: 14px 16px; cursor: pointer; list-style: none; color: var(--accent-strong); }
.admin-create-container summary::-webkit-details-marker { display: none; }
.admin-create-container summary > span:last-child { display: grid; gap: 3px; }
.admin-create-container summary small { color: var(--muted); font-size: 12px; font-weight: 500; }
.admin-create-container[open] summary { border-bottom: 1px solid var(--line); }
.admin-create-container form { padding: 0 16px 16px; }
.admin-year-panel .status-cell,
.admin-course-panel .status-cell { display: inline-flex; align-items: center; gap: 6px; }
.admin-year-panel .status-cell .lucide-icon,
.admin-course-panel .status-cell .lucide-icon { width: 15px; height: 15px; }
.status-confirmed { color: var(--accent-strong); font-weight: 700; }
.status-attention { color: #8a5a00; font-weight: 700; }
.admin-course-panel .grid-scroll { overflow-x: auto; }
.admin-course-panel table { min-width: 980px; table-layout: auto; }
.admin-course-panel th,
.admin-course-panel td { vertical-align: top; }
.admin-course-panel td:nth-child(1) { min-width: 118px; }
.admin-course-panel td:nth-child(6),
.admin-course-panel td:nth-child(7) { min-width: 132px; overflow-wrap: anywhere; }
.admin-course-panel td:nth-child(6) { min-width: 145px; overflow-wrap: anywhere; }
.admin-course-action-cell { min-width: 112px; }
.admin-course-action { width: 100%; justify-content: center; white-space: normal; }

.admin-section-panel .builder-guardrail {
  display: grid;
  gap: 12px;
  margin: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-subtle);
}

.admin-section-panel .builder-guardrail p { margin: 0; }
.admin-section-panel .builder-guardrail label { display: grid; gap: 6px; }
.admin-section-panel .builder-guardrail input,
.admin-section-panel .builder-guardrail textarea { width: 100%; }
.admin-section-panel .builder-guardrail .panel-actions { justify-content: flex-end; flex-wrap: wrap; }

@media (max-width: 900px) {
  .auth-surface-inner { grid-template-columns: minmax(260px, .75fr) minmax(420px, 1.25fr); }
  .auth-brand-panel { padding: 32px; }
  .auth-brand-message h2 { font-size: clamp(38px, 5vw, 52px); }
  .auth-login-panel { padding: 48px 36px; }
  .admin-workspace-layout { grid-template-columns: 1fr; }
  .admin-local-index { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-local-index-heading { grid-column: 1 / -1; }
  .admin-year-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-year-form button { grid-column: 1 / -1; }
  .admin-focus-heading { flex-direction: column; }
}

@media (max-width: 680px) {
  .auth-surface-inner { grid-template-columns: 1fr; min-height: 100vh; }
  .auth-brand-panel { align-content: start; gap: 24px; padding: 24px 20px; }
  .auth-brand-message { display: none; }
  .auth-login-panel { place-items: start stretch; padding: 34px 20px 44px; }
  .auth-card { width: 100%; }
  .auth-card h1 { font-size: 24px; }
}

@media (max-width: 600px) {
  .data-table#unit-grades-table {
    min-width: 500px;
  }

  #unit-grades-table thead th:first-child,
  #unit-grades-table tbody td:first-child {
    position: static;
  }

  .admin-local-index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; }
  .admin-local-index-heading { grid-column: 1 / -1; }
  .admin-local-index-item { min-height: 56px; padding: 8px; }
  .admin-local-index-item strong { font-size: 12px; }
  .admin-local-index-item small { font-size: 10px; }
  .admin-year-form { grid-template-columns: 1fr; }
  .admin-year-form button { grid-column: auto; }
  .account-system-menu summary span:last-child { display: none; }
  .account-system-menu-body { position: fixed; top: 64px; right: 12px; }
  .admin-section-panel .builder-guardrail .panel-actions button { flex: 1 1 140px; }
}

@media (prefers-reduced-motion: reduce) {
  #score-grid tbody tr.return-highlight td { transition: none; }
}

@media (max-width: 900px) {
  /* Keep the global rail narrow while the page-local index reflows separately. */
  .app-shell.sidebar-collapsed .workspace { grid-template-columns: 52px minmax(0, 1fr); }
  .app-shell.sidebar-collapsed .sidebar { display: block; padding: 8px 4px; }
  .app-shell.sidebar-collapsed .sidebar-header { min-height: 34px; }
  .app-shell.sidebar-collapsed .sidebar-heading,
  .app-shell.sidebar-collapsed .sidebar-brand-copy,
  .app-shell.sidebar-collapsed .nav-group-label,
  .app-shell.sidebar-collapsed .nav-item span { display: none; }
  .app-shell.sidebar-collapsed .nav-group { display: grid; gap: 0; }
  .app-shell.sidebar-collapsed .nav-item { width: 100%; min-width: 0; max-width: 44px; min-height: 44px; padding: 10px 6px; justify-content: center; }
  .app-shell.sidebar-collapsed .content { padding: 12px; }
}

@media (max-width: 900px) {
  /* Narrow controls retain a 44px minimum touch target. */
  button,
  select,
  input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
  textarea,
  .account-system-menu summary,
  .file-picker-button {
    min-height: 44px;
  }

  /* Higher-specificity legacy selectors must not shrink interactive targets. */
  .inline-toggle select,
  .course-context-control select,
  .account-system-menu summary {
    min-height: 44px;
  }

  .account-system-menu summary {
    min-width: 44px;
  }

  .assessment-picker-nav button {
    min-height: 44px;
  }

  .sidebar-toggle {
    width: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .unit-view-modes > label:not(.unit-focus-select),
  .unit-type-filters label,
  .unit-type-filters button {
    min-height: 44px;
  }
}
.local-tabs {
  display: flex;
  gap: 0.35rem;
  margin: 0.75rem 0 1rem;
  border-bottom: 1px solid var(--border, #d9e2e5);
}

.local-tabs [role="tab"],
.local-tabs button {
  min-height: 2.75rem;
  padding: 0.55rem 0.85rem;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--ink-muted, #52656b);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.local-tabs [aria-selected="true"],
.local-tabs .is-active {
  border-bottom-color: var(--accent, #147d82);
  color: var(--ink, #17343a);
}

.history-authority-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0.75rem 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--border, #d9e2e5);
  border-radius: 0.5rem;
  color: var(--ink-muted, #52656b);
  font-size: 0.88rem;
}

.export-context-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.export-context-grid > div {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.export-context-grid small { color: var(--ink-muted, #52656b); }

.export-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.export-filter-bar label { display: grid; gap: 0.25rem; min-width: 12rem; }

#exports-table td small { display: block; margin-top: 0.2rem; }

.course-data-export-panel { margin-top: 1rem; }
.course-data-export-panel .panel-header { align-items: center; }
.export-matrix th,
.export-matrix td { white-space: nowrap; vertical-align: top; }
.export-matrix th small,
.export-matrix td small { display: block; margin-top: 0.2rem; white-space: normal; }

@media (max-width: 700px) {
  .export-context-grid { grid-template-columns: 1fr; }
  .export-filter-bar label { min-width: min(100%, 16rem); }
  .local-tabs { overflow-x: auto; }
  .local-tabs button { flex: 0 0 auto; }
}