button,
.pill-button,
.segment-toggle,
.action-button,
.icon-button,
.wizard-nav-button,
.modal-close,
.toolbar-button,
.bottom-nav-button {
  appearance: none;
  border: 1px solid var(--color-border);
  background: white;
  color: var(--color-text);
  border-radius: 14px;
  padding: 11px 14px;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

button:hover,
.pill-button:hover,
.segment-toggle:hover,
.action-button:hover,
.icon-button:hover,
.wizard-nav-button:hover,
.modal-close:hover,
.toolbar-button:hover,
.bottom-nav-button:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary-soft-2);
  box-shadow: 0 8px 24px rgba(15,23,42,0.06);
}

.sidebar button {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  min-height: 46px;
  border-radius: 16px;
  background: transparent;
}

.sidebar button.active,
.action-button.primary,
.segment-toggle.active,
.wizard-tab.active,
.toolbar-button.active,
.bottom-nav-button.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.icon-button {
  width: 42px;
  height: 42px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-button.small {
  width: 34px;
  height: 34px;
  border-radius: 12px;
}

.action-button.secondary,
.pill-button,
.segment-toggle,
.wizard-nav-button,
.modal-close {
  background: rgba(255,255,255,.86);
}

.action-button.ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.action-button.outline {
  border-color: rgba(192,57,43,.18);
  color: var(--color-primary);
}

.action-button.danger {
  color: var(--color-danger);
  border-color: #F0B5BE;
  background: white;
}

button:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
  background: #ECEFF4;
  color: var(--color-muted);
  border-color: var(--color-border);
}

.segment-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px;
  background: rgba(255,255,255,.82);
}

.segment-toggle {
  min-width: 104px;
  border-radius: 999px;
}

.segment-toggle.compact {
  min-width: auto;
  padding-inline: 14px;
}

.list { display: grid; gap: 14px; }

.list-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 6px 26px rgba(15, 23, 42, 0.04);
}

.list-item-heading {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stat-card,
.student-stat-card {
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,.88);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.04);
  display: grid;
  gap: 8px;
}

.stat-card strong,
.student-stat-card strong {
  font-size: 2rem;
  line-height: 1;
}

.teacher-quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.teacher-quick-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,.9);
  display: grid;
  gap: 10px;
}

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

.dashboard-list-item {
  display: grid;
  gap: 6px;
  border-radius: var(--radius-md);
  padding: 14px;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--color-border);
}

.progress-meter {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #EEF1F7;
  overflow: hidden;
}

.progress-meter > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-primary);
}

.avatar-pill,
.student-avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1rem;
  overflow: hidden;
}

.auth-toggle-row {
  display: inline-flex;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.7);
  gap: 6px;
}

.auth-toggle-row button {
  min-width: 120px;
  border-radius: 999px;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.auth-toggle-row button.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-primary);
}

.bottom-nav-button {
  flex: 1;
  height: 100%;
  border-radius: 18px;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 6px 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.bottom-nav-button-icon {
  font-size: 1.2rem;
}

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

.auth-feature-item {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
}

.kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 28px;
  padding: 0 8px;
  border-radius: 10px;
  background: rgba(32,48,64,.08);
  border: 1px solid rgba(32,48,64,.08);
  font-size: 0.74rem;
  font-weight: 800;
}


.sidebar button,
.action-button,
.pill-button,
.segment-toggle,
.icon-button,
.wizard-nav-button,
.toolbar-button,
.modal-close,
.bottom-nav-button {
  position: relative;
  font-weight: 500;
}

button:hover,
.pill-button:hover,
.segment-toggle:hover,
.action-button:hover,
.icon-button:hover,
.wizard-nav-button:hover,
.modal-close:hover,
.toolbar-button:hover,
.bottom-nav-button:hover {
  transform: translateY(-1px);
}

.sidebar button {
  font-weight: 500;
}

.sidebar button.active,
.action-button.primary,
.segment-toggle.active,
.wizard-tab.active,
.toolbar-button.active,
.bottom-nav-button.active {
  color: #fff;
}

.bell-button {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: rgba(255,255,255,.92);
}

.bell-button.has-unread {
  background: rgba(255,255,255,.94);
  color: var(--color-primary);
}

.bell-button.is-empty {
  background: rgba(255,255,255,.94);
  color: var(--color-primary);
}

.teacher-home-hero.clean-hero-banner {
  overflow: hidden;
}

.dashboard-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
  gap: 18px;
  align-items: start;
}

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

.dashboard-metric-card {
  border-radius: 22px;
  padding: 18px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(10px);
  display: grid;
  gap: 6px;
  color: #fff;
}

.dashboard-metric-card .section-title,
.dashboard-metric-card .meta {
  color: rgba(255,255,255,0.82);
}

.dashboard-metric-card strong {
  font-size: 2rem;
  line-height: 1;
  color: #fff;
}

.dashboard-panel-card {
  padding: 20px;
}

.dashboard-panel-header h3 {
  margin-bottom: 4px;
}

.dashboard-panel-stats {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.readable-stat-card {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,254,.96));
}

.readable-stat-card strong,
.readable-stat-card .section-title {
  color: var(--color-text);
}

.notification-link-button {
  min-width: 98px;
}

.student-item {
  cursor: grab;
  min-height: 72px;
}

.student-item-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.student-item-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.drag-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-text-soft);
  border: 1px dashed var(--color-border-strong);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.student-item.dragging {
  opacity: 0.75;
  transform: rotate(1deg) scale(0.99);
  box-shadow: var(--shadow-primary);
}

.stats-card-grid,
.dashboard-panel-stats {
  align-items: stretch;
}

.assignment-settings-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: rgba(255,255,255,.86);
}
.assignment-selection-policy,
.assignment-ai-feedback-panel,
.assignment-ai-feedback-options {
  display: grid;
  gap: 10px;
}
.assignment-ai-feedback-panel {
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 1fr);
  align-items: start;
}
.assignment-ai-feedback-options {
  padding: 12px;
  border-radius: 18px;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--color-border);
}
.assignment-ai-feedback-options.is-disabled {
  opacity: .55;
}
.feedback-controls-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 12px;
  align-items: end;
}
.feedback-overview-grid,
.teacher-grading-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}
.feedback-column {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: rgba(255,255,255,.9);
}
.feedback-column-submitted {
  background: rgba(236, 248, 242, .9);
}
.feedback-student-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 16px;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--color-border);
}
.feedback-row-actions {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.teacher-grading-panel,
.student-result-panel,
.student-writing-panel {
  display: grid;
  gap: 16px;
}
.grading-total-input {
  width: 90px;
  margin-left: 8px;
}
.grading-score-list {
  display: grid;
  gap: 12px;
}
.grading-score-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 110px minmax(220px, 2fr);
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(255,255,255,.92);
}
.readonly-assignment-content,
.student-assignment-prompt-body {
  max-height: 340px;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255,255,255,.92);
}
@media (max-width: 900px) {
  .assignment-ai-feedback-panel,
  .feedback-controls-grid,
  .feedback-overview-grid,
  .teacher-grading-grid,
  .grading-score-row {
    grid-template-columns: 1fr;
  }
}

.assignment-publication-stats {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: rgba(255,255,255,.88);
}

.grade-distribution-chart {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.grade-distribution-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 42px;
  gap: 10px;
  align-items: center;
  font-size: .9rem;
}

.grade-distribution-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(15,23,42,.08);
  overflow: hidden;
}

.grade-distribution-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-primary);
}

.feedback-overview-shell {
  margin-top: 16px;
}

.feedback-pagination {
  margin-top: 4px;
  justify-content: space-between;
}

/* V58 feedback and assignment workflow additions */
.feedback-assignment-browser {
  margin-top: 16px;
}
.feedback-assignment-list {
  display: grid;
  gap: 12px;
  max-height: 420px;
  overflow: auto;
  padding-right: 4px;
}
.feedback-assignment-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, .28);
  border-radius: 18px;
  background: rgba(255, 255, 255, .92);
}
.feedback-assignment-subpage-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.feedback-student-row {
  align-items: flex-start;
  min-height: auto;
  height: auto;
}
.feedback-column-submitted {
  align-self: stretch;
}
.feedback-annotation-panel {
  display: grid;
  gap: 14px;
}
.feedback-annotation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.feedback-annotation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 14px;
  align-items: start;
}
.feedback-annotated-document,
.annotated-submission-text {
  white-space: pre-wrap;
  line-height: 1.7;
}
.feedback-annotated-document {
  min-height: 180px;
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 18px;
  background: rgba(255, 255, 255, .9);
}
.feedback-comment-rail {
  display: grid;
  gap: 10px;
}
.feedback-comment-list {
  display: grid;
  gap: 10px;
}
.feedback-comment-card {
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, .24);
  border-left-width: 5px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 10px 24px rgba(15, 23, 42, .06);
}
.feedback-comment-card textarea,
.feedback-comment-card input {
  width: 100%;
  margin-top: 6px;
}
.feedback-comment-topline,
.feedback-annotation-legend,
.feedback-legend-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.feedback-comment-topline {
  justify-content: space-between;
}
.feedback-comment-quote {
  color: var(--color-muted);
  font-size: .9rem;
}
.feedback-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 5px;
  display: inline-block;
}
.submission-highlight {
  border-radius: 4px;
  padding: 1px 3px;
}
.rubric-hl-0 { background: rgba(254, 240, 138, .55); }
.rubric-hl-1 { background: rgba(191, 219, 254, .55); }
.rubric-hl-2 { background: rgba(187, 247, 208, .55); }
.rubric-hl-3 { background: rgba(233, 213, 255, .55); }
.rubric-hl-4 { background: rgba(254, 205, 211, .55); }
.rubric-hl-5 { background: rgba(199, 210, 254, .55); }
.rubric-hl-6 { background: rgba(153, 246, 228, .55); }
.rubric-hl-7 { background: rgba(253, 230, 138, .55); }
.rubric-hl-border-0 { border-left-color: rgba(234, 179, 8, .8); }
.rubric-hl-border-1 { border-left-color: rgba(59, 130, 246, .8); }
.rubric-hl-border-2 { border-left-color: rgba(34, 197, 94, .8); }
.rubric-hl-border-3 { border-left-color: rgba(168, 85, 247, .8); }
.rubric-hl-border-4 { border-left-color: rgba(244, 63, 94, .8); }
.rubric-hl-border-5 { border-left-color: rgba(99, 102, 241, .8); }
.rubric-hl-border-6 { border-left-color: rgba(20, 184, 166, .8); }
.rubric-hl-border-7 { border-left-color: rgba(245, 158, 11, .8); }
.assignment-settings-panel {
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 20px;
  background: rgba(255, 255, 255, .74);
}
.assignment-core-toggle-grid,
.assignment-ai-feedback-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.assignment-core-toggle-grid .charla-switch:first-child {
  grid-column: 1 / -1;
}
.assignment-ai-feedback-options {
  margin-top: 12px;
}
.assignment-ai-feedback-options.hidden {
  display: none;
}
@media (max-width: 900px) {
  .feedback-annotation-layout,
  .assignment-core-toggle-grid,
  .assignment-ai-feedback-options {
    grid-template-columns: 1fr;
  }
}

/* V59 feedback portal and annotation refinements */
.feedback-open-assignment-card {
  width: 100%;
  padding: 16px 18px;
  margin: 14px 0 16px;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 14px 34px rgba(15, 23, 42, .05);
}
.feedback-column {
  align-content: start;
}
.feedback-column-submitted .empty-state.compact {
  align-self: start;
  min-height: 0;
  padding: 14px;
  margin-top: 6px;
}
.feedback-student-row {
  align-self: start;
}
.feedback-comment-card.hidden {
  display: none;
}
.submission-highlight {
  cursor: pointer;
  transition: box-shadow .15s ease, transform .15s ease;
}
.submission-highlight:hover {
  box-shadow: 0 0 0 2px rgba(15, 23, 42, .12);
}
.feedback-comment-close {
  border: 0;
  background: rgba(15, 23, 42, .06);
  color: var(--color-text);
  width: 26px;
  height: 26px;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
}
.feedback-comment-criterion {
  width: auto;
  min-width: 160px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .85rem;
  font-weight: 800;
}
.feedback-multi-toggle {
  max-width: 320px;
}
.feedback-comment-card .compact {
  padding: 6px 10px;
}
.grade-histogram {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 8px 12px;
  margin: 18px 0;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, .25);
  border-radius: 18px;
  background: rgba(255,255,255,.92);
}
.grade-histogram-y {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-align: center;
  font-size: .78rem;
  color: var(--color-muted);
  grid-row: 1 / span 2;
}
.grade-histogram-plot {
  height: 170px;
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 5px;
  align-items: end;
  border-left: 1px solid rgba(15, 23, 42, .14);
  border-bottom: 1px solid rgba(15, 23, 42, .14);
  padding: 8px 8px 0;
}
.grade-histogram-bar {
  min-height: 4px;
  border-radius: 5px 5px 0 0;
  background: var(--color-primary);
  position: relative;
}
.grade-histogram-bar.student-score-bucket {
  box-shadow: 0 0 0 3px rgba(245, 158, 11, .28), 0 0 22px rgba(245, 158, 11, .72);
  outline: 2px solid rgba(245, 158, 11, .72);
  transform: translateY(-2px);
}
.grade-histogram-bar.student-score-bucket::after {
  content: 'You';
  position: absolute;
  left: 50%;
  bottom: calc(100% + 18px);
  transform: translateX(-50%);
  font-size: .68rem;
  font-weight: 900;
  color: #92400e;
  white-space: nowrap;
}
.grade-histogram-bar span {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .7rem;
  color: var(--color-muted);
}
.grade-histogram-axis {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 5px;
  text-align: center;
  font-size: .78rem;
  color: var(--color-muted);
}
.grade-histogram-x {
  grid-column: 2;
  text-align: center;
  font-size: .78rem;
  color: var(--color-muted);
  font-weight: 700;
}

/* V60 grading and annotation refinements */
.feedback-comment-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  font-size: 1rem;
}
.feedback-conflict-popover {
  border: 1px solid rgba(176, 42, 31, .22);
  background: rgba(255, 247, 245, .98);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 18px 38px rgba(176, 42, 31, .12);
  max-width: 560px;
}
.feedback-conflict-popover.hidden {
  display: none;
}
.teacher-grading-actionbar {
  display: flex;
  justify-content: flex-end;
}
.teacher-grading-context-card {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, .26);
  border-radius: 22px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 16px 36px rgba(15,23,42,.05);
}
.grading-score-row {
  grid-template-columns: 1fr;
}
.grading-score-heading,
.grading-final-score-card {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.rubric-level-select-label {
  display: grid;
  gap: 6px;
  max-width: 360px;
}
.grading-final-score-card {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 18px;
  background: rgba(248, 250, 252, .82);
}

/* V60 -> V61 feedback and grading refinements */
.teacher-grading-context-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.teacher-grading-context-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.feedback-comment-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
}
.feedback-comment-topline .feedback-comment-close {
  flex: 0 0 auto;
}
.feedback-conflict-popover {
  position: relative;
  z-index: 5;
  max-width: 520px;
  margin: 10px 0;
  border: 1px solid rgba(178, 51, 36, .25);
  border-radius: 18px;
  background: #fff7f5;
  box-shadow: 0 18px 40px rgba(124, 45, 18, .16);
  padding: 16px;
}
.annotation-general-feedback {
  margin-top: 18px;
}
.attempt-history-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.attempt-score-summary {
  min-width: 220px;
  flex: 0 0 260px;
}
.attempt-pagination {
  flex: 1 1 360px;
  justify-content: flex-end;
}
.student-editor-ribbon .toolbar-button,
.student-editor-ribbon .ribbon-select-field {
  min-height: 48px;
}
.student-editor-ribbon .ribbon-group-note {
  min-width: 280px;
}
.student-editor-ribbon.is-collapsed .editor-ribbon-panels {
  display: none;
}
@media (max-width: 760px) {
  .teacher-grading-context-card,
  .attempt-history-bottom-row {
    align-items: stretch;
  }
  .teacher-grading-context-actions,
  .attempt-pagination {
    justify-content: flex-start;
  }
}

/* V62 reusable editor and annotation placement refinements */
.feedback-comment-card {
  transition: margin-top .18s ease, box-shadow .18s ease;
}
.feedback-comment-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  flex: 0 0 26px;
  padding: 0;
}
.reusable-assignment-editor .editor-workspace {
  border-top: 1px solid rgba(148, 163, 184, .22);
}
.reusable-assignment-editor .editor-canvas {
  min-height: 340px;
  width: 100%;
  outline: none;
}
.reusable-assignment-editor .editor-canvas.student-editor-zoomed {
  font-size: 1.18rem;
}

.editor-color-picker-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid rgba(148, 163, 184, .28);
  border-radius: 12px;
  background: rgba(255,255,255,.82);
  font-size: .76rem;
  font-weight: 800;
  color: var(--color-muted);
}
.editor-color-picker-label input[type='color'] {
  width: 32px;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}


/* Shared assignment settings controls */
.assignment-core-toggle-grid,
.assignment-ai-feedback-options {
  grid-template-columns: 1fr;
}
.assignment-core-toggle-grid .charla-switch:first-child {
  grid-column: auto;
}
.assignment-core-toggle-grid .charla-switch,
.assignment-ai-feedback-options .charla-switch {
  width: 100%;
  min-height: 58px;
}
.has-app-tooltip {
  position: relative;
}
.has-app-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 16px;
  bottom: calc(100% + 10px);
  z-index: 80;
  width: min(340px, calc(100vw - 40px));
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(15, 23, 42, .96);
  color: white;
  font-size: .82rem;
  line-height: 1.35;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .22);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
}
.has-app-tooltip:hover::after,
.has-app-tooltip:has(:focus-visible)::after {
  opacity: 1;
  transform: translateY(0);
}
.publish-progress {
  min-width: min(360px, 100%);
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.publish-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: .86rem;
  color: var(--color-muted);
}
.feedback-comment-card.is-active {
  box-shadow: 0 18px 38px rgba(15, 23, 42, .12);
}
.submission-highlight.is-active {
  box-shadow: 0 0 0 3px rgba(15, 23, 42, .16);
}

.assignment-core-toggle-grid {
  grid-template-columns: 1fr;
}
.assignment-ai-feedback-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.has-app-tooltip::after {
  width: min(480px, calc(100vw - 40px));
}
@media (max-width: 900px) {
  .assignment-ai-feedback-options {
    grid-template-columns: 1fr;
  }
}


/* Advanced rubric review table */
.advanced-grading-table {
  display: grid;
  gap: 10px;
}
.advanced-grading-row {
  display: grid;
  grid-template-columns: minmax(90px, .8fr) minmax(180px, 1.4fr) minmax(100px, .7fr) minmax(70px, .5fr) minmax(100px, .7fr) minmax(96px, .7fr) minmax(220px, 1.6fr);
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(255,255,255,.94);
}
.advanced-grading-head {
  color: var(--color-muted);
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(248,250,252,.96);
}
.compact-field {
  display: grid;
  gap: 5px;
  font-size: .8rem;
  color: var(--color-muted);
  font-weight: 800;
}
.compact-field input {
  min-height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0 10px;
  font: inherit;
}
.advanced-grading-row textarea {
  min-height: 78px;
}
@media (max-width: 1120px) {
  .advanced-grading-row {
    grid-template-columns: 1fr;
  }
}
.modal-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}