/* Foundation: design tokens, reset, and document defaults. */
:root {
  --ink: #242b38;
  --ink-soft: #4f5b60;
  --canvas: #e8e4db;
  --paper: #f7f3ea;
  --paper-bright: #fbf9f3;
  --line: #c6c0b3;
  --line-strong: #7d8279;
  --accent: #b53e32;
  --accent-deep: #8f2f28;
  --correction-pale: #f1d8d0;
  --sage: #718a83;
  --sage-pale: #d6dfd8;
  --yellow: #d9ba57;
  --danger: #8f2f28;
  --focus: #1c5e87;
  --type-section-size: 1.375rem;
  --type-subsection-size: 1.125rem;
  --type-label-size: .9375rem;
  --type-metadata-size: .875rem;
  --type-count-size: 1.125rem;
  --type-heading-leading: 1.4;
  --type-support-leading: 1.5;
  --register-row-padding-block: .75rem;
  --register-row-padding-inline: 1rem;
  --register-row-gap: .75rem;
  --register-title-size: 1.125rem;
  --control-height: 2.75rem;
  --control-padding-block: 0.65rem;
  --control-padding-inline: 0.9rem;
  color-scheme: light;
  font-family: "Noto Sans TC", "Source Han Sans TC", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

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

html {
  background: var(--canvas);
  color: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  letter-spacing: 0.005em;
}

button,
input {
  font: inherit;
  outline-offset: 4px;
}

select,
textarea {
  font: inherit;
  outline-offset: 4px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper-bright);
  color: var(--ink);
}

/* Shared field spacing; choice controls and button inputs keep native sizing. */
input:not([type="checkbox"], [type="radio"], [type="hidden"], [type="button"], [type="submit"], [type="reset"], [type="image"], [type="range"], [type="color"]),
select,
textarea {
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
}

a {
  outline-offset: 4px;
}

:focus-visible {
  outline: 3px solid var(--focus);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Authentication and account entry. */
.auth-layout {
  display: grid;
  min-height: 100vh;
}

.auth-intro {
  display: flex;
  min-height: 42vh;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 5vw, 4.5rem);
  background: var(--ink);
  color: var(--paper-bright);
}

.auth-panel {
  display: grid;
  align-items: center;
  padding: clamp(1.5rem, 5vw, 4.5rem);
  background: var(--paper);
}

.wordmark {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.auth-intro-copy {
  max-width: 40rem;
}

.auth-note {
  margin: 0;
  font-size: 0.82rem;
  color: #9eaca8;
}

.auth-panel-inner {
  margin-inline: auto;
  width: min(100%, 30rem);
}

.muted {
  line-height: 1.65;
  color: var(--ink-soft);
}

.support-copy {
  line-height: 1.65;
  margin: 2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid #dfe3dd;
  font-size: 0.82rem;
  color: var(--ink-soft);
  border-top-color: var(--line);
}

/* Persistent application shell and global navigation. */
.workspace-page {
  background: var(--canvas);
}

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

.app-sidebar {
  display: none;
  background: var(--ink);
  border-right: 1px solid #394450;
  color: var(--paper-bright);
}

.app-mobile-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  height: 4.5rem;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  color: white;
  background: var(--ink);
  border-bottom: 1px solid #394450;
}

.workspace-brand {
  display: flex;
  align-items: center;
  font-weight: 800;
  text-decoration: none;
  gap: 0.8rem;
  color: inherit;
  letter-spacing: 0;
}

.app-account {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.55rem;
  height: 2.55rem;
  background: var(--accent);
  color: var(--paper-bright);
  font-family: inherit;
  font-size: 1.5rem;
  line-height: 1;
}

.app-navigation {
  display: grid;
  align-content: start;
  border-top: 1px solid #43505a;
  border-bottom: 1px solid #43505a;
  gap: 0;
}

.app-navigation-link {
  text-decoration: none;
  position: relative;
  display: flex;
  min-height: 3rem;
  align-items: center;
  padding: 0.8rem 0.75rem 0.8rem 1.75rem;
  color: #c4ceca;
  font-size: 0.84rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  transition: background-color 180ms ease, color 180ms ease;
}

.app-navigation-link:hover {
  background: #303b47;
  color: var(--paper-bright);
}

.app-navigation-link.is-current {
  background: transparent;
  color: var(--paper-bright);
  font-weight: 750;
}

.user-email {
  display: none;
  font-size: 0.82rem;
  color: #b7c2be;
}

.account-profile-link {
  font-size: 0.82rem;
  font-weight: 750;
  text-underline-offset: 0.2rem;
  color: #b7c2be;
}

.account-profile-link:hover {
  color: var(--paper-bright);
}

.app-account form {
  margin: 0;
}

.app-mobile-menu {
  position: relative;
}

.app-mobile-menu summary {
  position: relative;
  z-index: 2;
  padding: 0.6rem 0.75rem;
  border: 1px solid #80908b;
  cursor: pointer;
  list-style: none;
  color: var(--paper-bright);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
}

.app-mobile-menu summary::-webkit-details-marker {
  display: none;
}

.app-mobile-menu-close,
.app-mobile-menu[open] .app-mobile-menu-label {
  display: none;
}

.app-mobile-menu[open] .app-mobile-menu-close {
  display: inline;
}

.app-mobile-menu-panel {
  position: fixed;
  z-index: 1;
  top: 4.5rem;
  inset-inline: 0;
  display: flex;
  height: calc(100vh - 4.5rem);
  height: calc(100dvh - 4.5rem);
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  background: var(--ink);
}

.app-mobile-menu[open] {
  z-index: 30;
}

@media (max-width: 53.99rem) {
  html:has(.app-mobile-menu[open]),
  body:has(.app-mobile-menu[open]) {
    overflow: hidden;
  }
}

.app-mobile-menu-panel .app-navigation {
  flex-shrink: 0;
  border: 0;
}

.app-mobile-menu-panel .app-account {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  flex-shrink: 0;
  gap: 0;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid #43505a;
}

.app-mobile-menu-panel .user-email {
  display: block;
  padding: 0.5rem 0.75rem 0.5rem 1.75rem;
  overflow-wrap: anywhere;
  white-space: normal;
}

.app-mobile-menu-panel .account-profile-link,
.app-mobile-menu-panel .text-action {
  display: flex;
  width: 100%;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.75rem 0.75rem 0.75rem 1.75rem;
  color: #c4ceca;
  font-size: 0.84rem;
  font-weight: 650;
  text-align: left;
  text-decoration: none;
}

.app-mobile-menu-panel .account-profile-link:hover,
.app-mobile-menu-panel .text-action:hover {
  background: #303b47;
  color: var(--paper-bright);
}

.text-action {
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  color: #d6dfda;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
}

.workspace-main {
  margin: 0 auto;
  width: min(100% - 2rem, 88rem);
  --workspace-padding: clamp(1.25rem, 4vw, 3.5rem);
  padding-block: var(--workspace-padding);
}

.workspace-page-header {
  position: sticky;
  z-index: 15;
  top: 4.5rem;
  display: flex;
  min-width: 0;
  align-items: center;
  margin: calc(-1 * var(--workspace-padding)) 0 2rem;
  min-height: 3.4rem;
  padding: 0.45rem 0;
  background: var(--canvas);
  border-bottom: 1px solid var(--line);
  backdrop-filter: none;
}

.breadcrumbs {
  min-width: 0;
  width: 100%;
}

.breadcrumbs ol {
  display: flex;
  min-width: 0;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.breadcrumbs li {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs li + li::before {
  color: var(--accent);
  content: "/";
}

.breadcrumbs a {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  text-underline-offset: 0.2rem;
  white-space: nowrap;
  color: var(--ink-soft);
}

.breadcrumbs [aria-current="page"] {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
}

.breadcrumbs li.breadcrumbs-current {
  flex: 0 1 auto;
  max-width: min(50vw, 40rem);
}

/* Shared page headings, contextual actions, and controls. */

.workspace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  border: 1px solid var(--accent-deep);
  background: var(--accent-deep);
  color: var(--paper-bright);
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  text-decoration: none;
}

.danger-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--danger);
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  color: var(--danger);
}

.danger-link:hover {
  border-color: var(--danger);
  background: #f1d8d0;
}

/* Dashboard queues, activity, and course registers. */
.course-list,
.notice-center,
.authoring-queue {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.section-studio {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  min-width: 0;
}

.student-assignment-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.student-assignment-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  min-height: var(--control-height);
  padding: 1.25rem 0.25rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.student-assignment-details {
  display: grid;
  flex: 1 1 24rem;
  min-width: 0;
  gap: 0.55rem;
}

.student-assignment-title {
  font-size: var(--register-title-size);
  font-weight: 500;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.student-assignment-deadline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.55rem;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-variant-numeric: tabular-nums;
}

.student-assignment-action {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.student-assignment-link:hover,
.student-assignment-link:focus-visible,
.student-assignment-link:active {
  background: var(--paper);
}

.student-assignment-empty {
  padding-block: 1.25rem;
  color: var(--ink-soft);
}

.authoring-work-list {
  display: grid;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 0;
  gap: 0;
}

.authoring-work-item {
  min-width: 0;
  border-left: 0;
  text-decoration: none;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.5fr) 1.25rem;
  grid-template-rows: auto;
  column-gap: 1rem;
  row-gap: 0.55rem;
  align-items: baseline;
  padding: var(--register-row-padding-block) var(--register-row-padding-inline);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  transition: background-color 180ms ease, transform 180ms ease;
}

.authoring-work-item:hover {
  transform: translateX(0.25rem);
  background: var(--paper);
}

.authoring-work-item-heading {
  display: contents;
}

.authoring-work-item-heading h3 {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: inherit;
  font-weight: 500;
  margin: 0;
  font-size: var(--register-title-size);
  line-height: 1.5;
}

.authoring-work-item-heading .course-card-term {
  margin: 0;
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.authoring-work-item::after {
  width: 0.65rem;
  height: 0.65rem;
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  border-top: 2px solid var(--accent-deep);
  border-right: 2px solid var(--accent-deep);
  content: "";
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.notice-list {
  display: grid;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 0;
  gap: 0;
  background: transparent;
}

.activity-feed {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.activity-history {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.activity-list {
  display: grid;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 0;
  gap: 0;
  background: transparent;
}

.activity-item {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.activity-item:last-child {
  border-bottom: 0;
}

.activity-item-title {
  margin: 0;
  overflow-wrap: anywhere;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  align-items: baseline;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.55;
}

.activity-item-meta,
.activity-item-summary {
  margin: 0;
  overflow-wrap: anywhere;
  line-height: var(--type-support-leading);
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.activity-item-target {
  font-weight: 800;
  text-underline-offset: 0.2rem;
  color: var(--accent-deep);
}

.activity-item-email {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.activity-empty-state {
  margin-top: 1rem;
}

.notice-card {
  min-width: 0;
  margin: 0;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  border-left: 0;
  background: transparent;
}

.notice-card h3 {
  overflow-wrap: anywhere;
  font-family: inherit;
  margin: 0.5rem 0 0;
  font-size: 1.22rem;
  font-weight: 500;
}

.notice-card > p:not(.record-label) {
  margin: 0.55rem 0 0.8rem;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
  font-size: 0.82rem;
  line-height: 1.65;
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  min-width: 0;
  align-items: center;
  padding-bottom: 0.75rem;
}

.section-heading-row::after {
  order: 1;
  min-width: 1.5rem;
  flex: 1 1 auto;
  border-top: 1px solid var(--line-strong);
  content: "";
}

.section-heading-row > :first-child {
  order: 0;
}

.section-heading-row > :last-child {
  order: 2;
}

.section-heading-row h2 {
  font-family: inherit;
  font-size: var(--type-section-size);
  font-weight: 500;
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  line-height: var(--type-heading-leading);
  letter-spacing: 0;
}

.section-count {
  font-family: inherit;
  margin: 0;
  color: var(--ink);
  font-size: var(--type-count-size);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  letter-spacing: 0;
  line-height: var(--type-support-leading);
  white-space: nowrap;
}

.section-heading-actions {
  flex-wrap: wrap;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.course-grid {
  display: grid;
  gap: 0;
  margin-top: 1rem;
}

.course-card {
  min-width: 0;
  text-decoration: none;
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 12rem) minmax(0, 1fr) minmax(0, 0.85fr) auto;
  gap: 0.75rem 1rem;
  align-items: center;
  padding: 1.2rem 0.25rem;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  transition: background-color 180ms ease, transform 180ms ease;
}

.course-card span {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.course-card strong {
  font-family: inherit;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: var(--register-title-size);
  font-weight: 500;
  line-height: 1.25;
}

.course-metrics {
  grid-column: 2 / 5;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.course-metrics div {
  display: flex;
  gap: 0.35rem;
  align-items: baseline;
}

.course-metrics span {
  line-height: var(--type-support-leading);
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-weight: 500;
}

.course-metrics strong {
  color: var(--ink);
  font-family: inherit;
  font-size: var(--type-count-size);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  line-height: var(--type-support-leading);
  letter-spacing: 0;
}

.course-card-status {
  grid-column: 2;
  width: fit-content;
  padding: 0;
  background: transparent;
  color: var(--accent-deep);
  font-size: 0.7rem;
  font-weight: 800;
}

.course-empty-state {
  margin-top: 1rem;
  padding: 0.5rem 0 0.75rem;
  border: 0;
  background: transparent;
}

.course-empty-state h3 {
  font-family: inherit;
  margin: 0;
  font-size: 1.35rem;
  font-weight: 500;
}

.course-empty-state p {
  line-height: 1.6;
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
}

/* Course and assignment reading surfaces. */

.assignment-summary {
  min-width: 0;
  border-width: 2px 1px 1px;
  border-style: solid;
  border-color: var(--ink) var(--line) var(--line);
  border-radius: 0;
  background: var(--paper);
  padding: clamp(1.25rem, 4vw, 2.4rem);
}

.assignment-rubric {
  min-width: 0;
  margin-top: 1rem;
  border-width: 2px 1px 1px;
  border-style: solid;
  border-color: var(--ink) var(--line) var(--line);
  border-radius: 0;
  background: var(--paper);
  padding: clamp(1.25rem, 4vw, 2.4rem);
}

.assignment-history {
  min-width: 0;
  border-width: 2px 1px 1px;
  border-style: solid;
  border-color: var(--ink) var(--line) var(--line);
  border-radius: 0;
  background: var(--paper);
  padding: clamp(1.25rem, 4vw, 2.4rem);
}

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

.assignment-history-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem 0;
  border-top: 1px solid #d8ddd8;
  border-bottom-color: var(--line);
}

.assignment-history-list p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.assignment-history-list time {
  font-size: 0.76rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.assignment-description {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  overflow-wrap: anywhere;
  color: var(--ink);
  line-height: 1.8;
}

.assignment-description > :first-child {
  margin-top: 0;
}

.assignment-description > :last-child {
  margin-bottom: 0;
}

.assignment-attachments {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #ccd5d0;
  border-color: var(--line);
}

.assignment-attachments h2,
.attachment-management h2 {
  margin: 0;
  font-family: inherit;
  font-size: 1.45rem;
  font-weight: 500;
}

.assignment-attachments ul,
.attachment-list {
  display: grid;
  gap: 0.65rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
}

.assignment-attachments li,
.attachment-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 0.8rem;
  background: var(--canvas);
}

.assignment-attachments a,
.attachment-list strong {
  overflow-wrap: anywhere;
}

.assignment-attachments span,
.attachment-list span {
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.attachment-management {
  width: 100%;
  margin-top: 1rem;
}

.attachment-list li > div {
  display: grid;
  min-width: 0;
  gap: 0.2rem;
}

.attachment-list form {
  display: grid;
  width: min(100%, 22rem);
  gap: 0.45rem;
  margin: 0;
}

.attachment-list form label {
  font-size: var(--type-label-size);
  font-weight: 600;
  line-height: var(--type-support-leading);
  letter-spacing: 0;
}

.attachment-list form textarea {
  width: 100%;
  min-width: 0;
}

.attachment-list .danger-link {
  min-height: 2.75rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--danger);
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
}

.published-schedule-editor {
  width: 100%;
}

.withdrawal-panel form,
.withdrawal-panel .field {
  margin-top: 1.25rem;
}

.withdrawal-panel textarea {
  width: 100%;
  min-width: 0;
}

.assignment-facts {
  display: grid;
  gap: 0;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  border-top: 1px solid #ccd5d0;
  border-top-color: var(--line-strong);
  border-bottom-color: var(--line-strong);
}

.assignment-fact {
  min-width: 0;
  padding: 1rem 0;
  border-color: var(--line);
}

.assignment-fact + .assignment-fact {
  border-top: 1px solid #dce2de;
}

.assignment-fact dt {
  margin-bottom: 0.35rem;
  font-weight: 800;
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
}

.assignment-fact dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 800;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.assignment-deadline-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.rubric-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.assignment-deadline-list li {
  display: grid;
  gap: 0.15rem;
}

.assignment-deadline-list span {
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 600;
}

.assignment-rubric-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
}

.assignment-rubric-heading h2 {
  margin: 0.25rem 0 0;
  font-family: inherit;
  font-size: var(--type-section-size);
  font-weight: 500;
  line-height: var(--type-heading-leading);
  letter-spacing: 0;
}

.assignment-rubric-heading p {
  margin: 0.25rem 0 0;
}

.assignment-rubric-heading > p {
  color: var(--accent-deep);
  font-family: inherit;
  font-size: var(--type-count-size);
  white-space: nowrap;
  line-height: var(--type-support-leading);
  font-weight: 400;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.rubric-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  border-top: 1px solid #d8ddd8;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.rubric-row > div {
  min-width: 0;
}

.rubric-row strong {
  overflow-wrap: anywhere;
  font-size: 0.96rem;
}

.rubric-row p {
  overflow-wrap: anywhere;
  margin: 0.3rem 0 0;
  line-height: var(--type-support-leading);
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.rubric-row > span {
  white-space: nowrap;
  color: var(--accent-deep);
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

/* Authoring forms and publication workflow. */
.editor-panel {
  width: min(100%, 48rem);
  border-width: 2px 1px 1px;
  border-style: solid;
  border-color: var(--ink) var(--line) var(--line);
  border-radius: 0;
  background: var(--paper);
  padding: clamp(1.1rem, 4vw, 2.25rem);
}

.section-fields {
  overflow: hidden;
  min-width: 0;
  margin: 0.75rem 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
}

.section-fields-header {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--sage-pale);
}

.section-fields-header h2 {
  margin: 0;
  font-family: inherit;
  font-size: var(--type-section-size);
  font-weight: 500;
  line-height: var(--type-heading-leading);
  letter-spacing: 0;
}

.section-fields-header p {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.section-fields-body {
  padding: 1rem 1.1rem 1.1rem;
}

.dynamic-section-list {
  display: grid;
  gap: 0.7rem;
}

.section-form-row {
  display: grid;
  min-width: 0;
  gap: 0.55rem;
  padding: 0.85rem;
  border-color: var(--line);
  border-radius: 0;
  background: var(--paper);
}

.section-form-row .field {
  min-width: 0;
}

.add-section-action {
  width: fit-content;
  border: 0;
  background: transparent;
  cursor: pointer;
  margin-top: 0.85rem;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  color: var(--ink);
}

.remove-section-action {
  width: fit-content;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--danger);
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.add-section-action span {
  display: inline-grid;
  width: 1.7rem;
  height: 1.7rem;
  margin-right: 0.35rem;
  place-items: center;
  background: var(--ink);
  color: white;
}

.section-layout {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.assignment-editor {
  margin-top: 2rem;
}

.assignment-editor-grid,
.criterion-list {
  display: grid;
  gap: 1rem;
}

.assignment-editor .editor-panel {
  width: 100%;
}

.assignment-editor h2,
.rubric-heading-row p {
  margin-top: 0;
}

.assignment-editor .field {
  min-width: 0;
  align-content: start;
  margin-top: 1rem;
  gap: 0.4rem;
}

.assignment-editor label {
  display: block;
  margin-bottom: 0;
  font-weight: 600;
  color: var(--ink);
  font-size: var(--type-label-size);
  letter-spacing: 0;
  line-height: var(--type-support-leading);
}

.assignment-editor input:not([type="checkbox"]),
.assignment-editor textarea {
  width: 100%;
  min-width: 0;
}

.field-help {
  margin: 0.45rem 0 0;
  font-size: var(--type-metadata-size);
  color: var(--ink-soft);
  line-height: var(--type-support-leading);
}

.rubric-heading-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.25rem;
}

.criterion-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-end;
}

.rubric-total {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  white-space: nowrap;
  text-align: right;
}

.rubric-total strong {
  color: var(--accent-deep);
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  font-size: var(--type-count-size);
  line-height: var(--type-support-leading);
  letter-spacing: 0;
}

.rubric-total span {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.criterion-row {
  overflow: hidden;
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
}

.criterion-card-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--sage-pale);
}

.criterion-card-header h3 {
  margin: 0;
  color: var(--ink);
  font-family: inherit;
  font-size: var(--type-subsection-size);
  font-weight: 600;
  line-height: var(--type-heading-leading);
}

.criterion-fields {
  display: grid;
  gap: 0.75rem;
  padding: 0 1rem 1rem;
}

.assignment-editor .criterion-field-points {
  width: 6rem;
  align-self: start;
}

.criterion-field-points input {
  font-variant-numeric: tabular-nums;
}

.criterion-controls .text-action {
  color: var(--ink-soft);
  min-width: var(--control-height);
  min-height: var(--control-height);
}

.criterion-controls .danger-action {
  color: var(--danger);
}

.criterion-controls .text-action:not(:disabled):hover {
  text-decoration: underline;
  text-underline-offset: .2em;
}

.criterion-controls button:disabled {
  opacity: 0.35;
}

.add-criterion-action {
  width: 100%;
  margin-top: 1rem;
  border: 2px dashed var(--line-strong);
  background: transparent;
  cursor: pointer;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  color: var(--ink);
}

.markdown-content {
  overflow-wrap: anywhere;
  color: var(--ink);
  line-height: 1.8;
}

.publication-form {
  margin-top: 2rem;
  width: 100%;
}

.publication-preview {
  margin-top: 2rem;
  padding: clamp(1.1rem, 4vw, 2rem);
  border-width: 2px 1px 1px;
  border-style: solid;
  border-color: var(--ink) var(--line) var(--line);
  border-radius: 0;
  background: var(--paper);
}

.publication-reading-column .error-summary {
  margin-top: 1.25rem;
}

.publication-bulk-actions {
  display: grid;
  gap: 0.85rem;
  border-color: var(--line);
  border-radius: 0;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--sage-pale);
}

.select-all-row {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  cursor: pointer;
  font-weight: 800;
}

.bulk-deadline-action {
  display: grid;
  gap: 0.65rem;
}

.bulk-deadline-action .field {
  min-width: 0;
  margin: 0;
}

.bulk-deadline-action input {
  width: 100%;
  min-width: 0;
}

.bulk-deadline-action .secondary-action {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  min-height: 2.75rem;
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
}

.bulk-deadline-action .secondary-action:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.bulk-action-status {
  min-height: 1.2em;
  margin: 0;
  font-size: var(--type-metadata-size);
  font-weight: 800;
  color: var(--ink-soft);
  line-height: var(--type-support-leading);
}

.deadline-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0;
}

.deadline-row {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border-color: var(--line);
  border-radius: 0;
  background: var(--paper);
}

.deadline-section {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  cursor: pointer;
}

.deadline-row .field {
  min-width: 0;
  margin: 0;
}

.deadline-row input[type="datetime-local"] {
  width: 100%;
  min-width: 0;
}

.publication-preview-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.publication-preview-heading h2 {
  margin: 0.25rem 0 0;
  font-family: inherit;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 500;
}

.publication-preview-heading p {
  margin: 0.25rem 0 0;
}

.publication-preview-heading > p {
  font-size: 1.25rem;
  white-space: nowrap;
  color: var(--accent-deep);
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.publication-preview-facts {
  grid-template-columns: minmax(0, 1fr);
}

.publication-preview-facts .assignment-fact {
  padding-inline: 0;
  border-left: 0;
}

.publication-preview-description {
  margin-top: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #d8ddd8;
}

.publication-preview-description h3 {
  margin: 0 0 0.75rem;
  font-family: inherit;
  font-size: 1.2rem;
}

.publication-preview-description .markdown-content > :first-child {
  margin-top: 0;
}

.publication-preview-description .markdown-content > :last-child {
  margin-bottom: 0;
}

.publication-preview-rubric {
  margin-top: 1rem;
}

.publication-confirmation {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid #ccd5d0;
}

.publication-confirmation .primary-action {
  width: auto;
  min-width: 9rem;
  margin: 0;
}

/* Section, roster, and enrollment registers. */
.section-list {
  min-width: 0;
  background: var(--paper);
  border-top: 0;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.section-row {
  display: grid;
  gap: var(--register-row-gap);
  min-width: 0;
  padding: var(--register-row-padding-block) var(--register-row-padding-inline);
  border-bottom: 1px solid var(--line);
}

.section-identity {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.8rem;
}

.section-actions {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
}

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

.section-identity strong {
  overflow-wrap: anywhere;
  font-size: 0.95rem;
}

.section-identity span:last-child {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.section-index {
  flex-shrink: 0;
  font-family: inherit;
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 800;
}

.section-actions form {
  margin: 0;
}

.section-row-tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.55rem;
  margin-inline-start: auto;
}

.section-action-menu {
  position: relative;
  flex: 0 0 auto;
}

.section-action-menu-trigger {
  display: grid;
  place-items: center;
  width: var(--control-height);
  min-height: var(--control-height);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.section-action-menu-trigger::-webkit-details-marker {
  display: none;
}

.section-action-menu-trigger:hover,
.section-action-menu[open] > summary {
  background: var(--sage-pale);
}

.section-action-menu-panel {
  position: absolute;
  z-index: 20;
  inset-inline-end: 0;
  top: calc(100% + 0.35rem);
  width: 12rem;
  max-width: calc(100vw - 2rem);
  padding: 0.35rem;
  border: 1px solid var(--line-strong);
  background: var(--paper-bright);
}

.section-action-menu-group + .section-action-menu-group {
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

.section-action-menu .section-menu-action {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: var(--control-height);
  margin: 0;
  padding: 0.65rem 0.75rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.35;
  text-align: start;
  text-decoration: none;
  cursor: pointer;
}

.section-action-menu .danger-action {
  color: var(--danger);
}

.section-action-menu .section-menu-action:hover {
  background: var(--sage-pale);
}

.join-code-status {
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.join-code-current {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.35rem;
  width: 22rem;
  padding-inline-start: 0.65rem;
  border: 1px solid var(--line-strong);
  background: var(--paper-bright);
  min-width: 0;
  max-width: 100%;
}

.join-code-current .join-code-copy {
  flex: 0 0 auto;
  width: 4.5rem;
  min-width: var(--control-height);
  min-height: var(--control-height);
  margin: 0;
  padding: 0.3rem;
  font-size: var(--type-metadata-size);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.join-code-copy svg {
  display: block;
  margin-inline: auto;
}

.join-code-current .join-code-copy:hover {
  border-color: var(--line-strong);
  background: var(--paper-bright);
  color: var(--ink);
}

.join-code-bulk-layout {
  display: grid;
  gap: 1.5rem;
}

.join-code-bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.join-code-bulk-actions .primary-action {
  margin-top: 0;
}

.join-code-bulk-layout .secondary-action {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.join-code-bulk-layout .secondary-action:hover {
  border-color: var(--ink);
  background: var(--paper-bright);
}

.join-code-share > label {
  display: block;
  margin-bottom: 0.75rem;
}

.join-code-share textarea {
  width: 100%;
  min-width: 0;
}

.join-code-share {
  min-width: 0;
  overflow-wrap: anywhere;
  scroll-margin-top: 7rem;
}

.join-code-bulk-layout .activation-choice span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.join-code-value {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  user-select: all;
}

.section-action-button {
  display: inline-flex;
  width: auto;
  min-width: 7rem;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
}

.section-action-button.danger-action {
  border-color: #d9a59e;
  color: var(--danger);
}

.empty-workspace {
  display: grid;
  gap: 1rem;
  margin-top: clamp(3rem, 8vw, 7rem);
  padding: clamp(1.25rem, 4vw, 2.5rem) 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid #bdc7c0;
}

.roster-list {
  margin-top: 1rem;
  margin-bottom: 0;
  padding: 0;
  background: var(--paper);
  list-style: none;
  border-top: 0;
}

.roster-row {
  display: grid;
  min-width: 0;
  gap: var(--register-row-gap);
  padding: var(--register-row-padding-block) var(--register-row-padding-inline);
  border-bottom: 1px solid var(--line);
}

.roster-student {
  display: grid;
  min-width: 0;
  gap: 0.25rem;
}

.roster-student strong {
  overflow-wrap: anywhere;
  font-size: 0.95rem;
}

.roster-student span {
  overflow-wrap: anywhere;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.profile-email {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0.9rem 1rem;
  background: var(--sage-pale);
}

.profile-email span {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
}

.profile-email strong {
  overflow-wrap: anywhere;
  font-size: 0.95rem;
}

.roster-transfer-form {
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
}

.roster-actions {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
}

.roster-remove-form {
  margin: 0;
}

.roster-transfer-form label {
  color: var(--ink-soft);
  font-size: var(--type-label-size);
  font-weight: 600;
  line-height: var(--type-support-leading);
  letter-spacing: 0;
}

.roster-transfer-form select {
  min-width: 0;
  max-width: 100%;
  border: 1px solid #b8c4be;
  background: white;
}

.success-summary,
.error-summary {
  margin-top: 1.25rem;
  border: 1px solid var(--sage);
  background: var(--paper);
  color: var(--ink);
  padding: 0.75rem 0.9rem;
}

.profile-feedback {
  width: min(100%, 48rem);
}

.roster-empty {
  margin: 0;
  padding: 1rem;
  background: var(--paper);
  color: var(--ink-soft);
}

.empty-workspace h2,
.empty-workspace h3 {
  margin: 0.4rem 0;
  font-family: inherit;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 500;
}

.empty-workspace p:last-child {
  max-width: 40rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.empty-number {
  margin: 0;
  color: var(--accent-deep);
  font-family: inherit;
  font-size: 1.5rem;
}

.stacked-form {
  display: grid;
  gap: 1.2rem;
  margin-top: 2rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-weight: 600;
  color: var(--ink);
  font-size: var(--type-label-size);
  letter-spacing: 0;
  line-height: var(--type-support-leading);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border-width: 0 0 2px;
  border-style: solid;
  border-color: #b8c4be;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
}

.primary-action {
  margin-top: 0.5rem;
  cursor: pointer;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  border: 1px solid var(--accent-deep);
  background: var(--accent-deep);
  color: var(--paper-bright);
}

.primary-action:hover {
  background: var(--ink);
  border-color: var(--ink);
}

/* Credentials, join codes, and account recovery. */
.join-code-display {
  width: fit-content;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: clamp(1.2rem, 4vw, 2rem);
  letter-spacing: 0.08em;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--yellow);
  color: var(--ink);
}

.activation-link-display {
  padding: 1rem;
  overflow-wrap: anywhere;
  font-family: inherit;
  font-size: 0.82rem;
  line-height: 1.6;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--yellow);
  color: var(--ink);
}

.ta-activation-form {
  gap: 0;
}

.activation-scope-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
}

.activation-scope-heading h2 {
  margin: 0.35rem 0 0;
  font-family: inherit;
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 500;
}

.activation-scope-heading > p {
  margin: 0 0 0.2rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
  white-space: nowrap;
}

.activation-choice {
  display: flex;
  min-height: 4rem;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1rem;
  border: 1px solid #cbd3ce;
  background: transparent;
  cursor: pointer;
}

.activation-choice:hover {
  border-color: var(--line-strong);
  background: var(--paper-bright);
}

.activation-choice:has(input:checked) {
  border-color: var(--accent-deep);
  background: var(--sage-pale);
}

.activation-choice input {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  margin: 0;
  accent-color: var(--accent-deep);
}

.activation-choice span {
  display: grid;
  min-width: 0;
  gap: 0.15rem;
}

.activation-choice strong {
  font-size: 0.92rem;
}

.activation-choice small {
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.45;
}

.activation-choice-all {
  margin-top: 1.25rem;
  background: var(--paper);
}

.activation-choice-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.15rem 0;
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 800;
}

.activation-choice-divider::before,
.activation-choice-divider::after {
  height: 1px;
  flex: 1;
  background: #d8ddd8;
  content: "";
}

.activation-choice-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.activation-form-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #d8ddd8;
}

.activation-form-footer p {
  max-width: 30rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.55;
}

.activation-form-footer .primary-action {
  width: auto;
  min-width: 10.5rem;
  margin: 0;
  padding-inline: 1.25rem;
}

.join-code-reveal {
  display: grid;
  max-width: 52rem;
  gap: 1.25rem;
  margin-top: clamp(3rem, 10vw, 8rem);
  padding: clamp(1.5rem, 5vw, 3.5rem);
  background: var(--paper);
}

.join-code-reveal h1,
.join-code-reveal p {
  margin: 0;
}

.join-code-reveal .primary-link {
  width: fit-content;
  margin-top: 0.5rem;
}

.reset-link-reveal,
.reset-link-redeem {
  margin-top: clamp(2rem, 5vw, 4rem);
}

.reset-link-reveal .activation-link-display {
  margin: 0;
}

.reset-link-redeem .stacked-form {
  max-width: 34rem;
}

.form-status:empty {
  display: none;
}

.error-summary {
  border-color: var(--danger);
}

.field input[aria-invalid="true"] {
  border-color: var(--danger);
}

.field-error {
  color: var(--danger);
  margin: 0;
  font-size: 0.82rem;
}

.archived-notice {
  margin: 1.25rem 0 0;
  font-weight: 750;
  border-width: 1px;
  border-style: solid;
  border-color: var(--accent);
  background: var(--paper);
  color: var(--ink);
  padding: 0.75rem 0.9rem;
  font-size: 0.82rem;
}

.error-summary p {
  margin: 0;
}

.error-summary ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.error-summary a {
  color: inherit;
  font-weight: 750;
}

/* Browser-native surfaces and global interaction states. */
::selection {
  background: var(--ink);
  color: var(--paper-bright);
}

.workspace-brand-copy {
  font-size: 0.94rem;
  letter-spacing: 0.03em;
}

.app-navigation-link::before {
  position: absolute;
  left: 0.35rem;
  width: 1.15rem;
  height: 1px;
  background: #80908b;
  content: "";
  transform: scaleX(0.565);
  transform-origin: left center;
  transition: transform 180ms ease, background-color 180ms ease;
}

.app-navigation-link:hover::before {
  background: #c4ceca;
  transform: scaleX(0.78);
}

.app-navigation-link.is-current::before {
  background: var(--yellow);
  transform: scaleX(1);
}

.app-sidebar .app-account {
  border-top-color: #43505a;
}

.app-sidebar .text-action:hover {
  color: var(--paper-bright);
}

.breadcrumbs a:hover {
  color: var(--accent-deep);
}

.workspace-main h2 {
  font-family: inherit;
  letter-spacing: 0;
  font-size: var(--type-section-size);
  font-weight: 500;
  line-height: var(--type-heading-leading);
}

.workspace-main h3 {
  font-family: inherit;
  letter-spacing: -0.03em;
  font-weight: 500;
}

.record-label {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: var(--type-support-leading);
  margin: 0;
  overflow-wrap: anywhere;
}

.course-card-term {
  line-height: var(--type-support-leading);
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-weight: 500;
  letter-spacing: 0;
}

.course-card-index {
  letter-spacing: 0.03em;
  line-height: 1.45;
  color: var(--accent-deep);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  font-weight: 600;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.dashboard-primary {
  min-width: 0;
}

.dashboard-secondary {
  min-width: 0;
  padding-left: clamp(1rem, 3vw, 2rem);
  border-left: 1px solid var(--line-strong);
}

.dashboard-secondary h2 {
  font-size: var(--type-section-size);
  letter-spacing: 0;
  line-height: var(--type-heading-leading);
  font-weight: 500;
}

.dashboard-primary > :first-child,
.dashboard-secondary > :first-child {
  margin-top: 2.5rem;
}

.section-heading-row > div {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.9rem;
}

.secondary-action,
button:not(.text-action) {
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border-radius: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.primary-link:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.secondary-link:hover {
  border-color: var(--ink);
  background: var(--paper-bright);
}

.course-register {
  border-top: 0;
  grid-template-columns: minmax(0, 1fr);
}

.authoring-work-item:hover::after,
.authoring-work-item:focus-visible::after {
  transform: translateX(0.2rem) rotate(45deg);
}

.workspace-home-page .course-register .course-card {
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.5fr) 1.25rem;
  grid-template-rows: auto auto auto;
  column-gap: 1rem;
  row-gap: 0.55rem;
  align-items: baseline;
  padding: var(--register-row-padding-block) var(--register-row-padding-inline);
  background: var(--paper);
}

.workspace-home-page .course-register .course-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-width: 0;
  grid-column: 1;
  grid-row: 1 / span 3;
  align-self: center;
}

.workspace-home-page .course-register .course-card .course-card-term {
  grid-column: 1;
  grid-row: 1;
}

.workspace-home-page .course-register .course-card > strong {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-size: var(--register-title-size);
  line-height: 1.5;
}

.workspace-home-page .course-register .course-card .course-card-role {
  grid-column: 1;
  grid-row: 2;
}

.workspace-home-page .course-register .course-card::after {
  width: 0.65rem;
  height: 0.65rem;
  align-self: center;
  border-top: 2px solid var(--accent-deep);
  border-right: 2px solid var(--accent-deep);
  content: "";
  grid-column: 3;
  grid-row: 1 / span 3;
  justify-self: end;
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.workspace-home-page .course-register .course-card:hover::after,
.workspace-home-page .course-register .course-card:focus-visible::after {
  transform: translateX(0.2rem) rotate(45deg);
}

.course-card:hover {
  transform: translateX(0.25rem);
  background: var(--paper);
}

.workspace-home-page .course-register .course-card:hover,
.workspace-home-page .course-register .course-card:focus-visible {
  background: var(--paper-bright);
}

.course-card-archived {
  background: var(--paper);
  color: var(--ink);
}

.workspace-home-page .course-list-archived .course-card .course-card-status {
  grid-column: 1;
  grid-row: 1;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
}

.workspace-home-page .course-list-archived .course-card .course-card-term {
  grid-column: 1;
  grid-row: 2;
}

.workspace-home-page .course-list-archived .course-card > strong {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-size: var(--register-title-size);
  line-height: 1.5;
}

.workspace-home-page .course-list-archived .course-card .course-card-role {
  grid-column: 1;
  grid-row: 3;
}

.workspace-home-page .authoring-work-item:hover,
.workspace-home-page .authoring-work-item:focus-visible {
  background: var(--paper-bright);
}

.course-card-role {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-weight: 500;
  line-height: var(--type-support-leading);
}

.workspace-home-page .course-register .course-metrics {
  grid-column: 1;
  grid-row: 3;
}

.course-grid:not(.course-register) .course-card {
  grid-template-columns: max-content minmax(0, 1fr) auto;
  min-height: var(--control-height);
  padding-block: var(--register-row-padding-block);
}

.course-grid:not(.course-register) .course-card > span:first-child {
  grid-column: 1;
}

.course-grid:not(.course-register) .course-card > strong {
  font-size: var(--register-title-size);
  line-height: 1.5;
  grid-column: 2;
}

.course-list-archived {
  padding-top: 1rem;
  border-top: 0;
}

.notice-card .secondary-link {
  min-height: auto;
  padding: 0;
  border: 0;
  color: var(--accent-deep);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  justify-content: flex-start;
}

.notice-card .secondary-link:hover {
  background: transparent;
  text-decoration: underline;
}

.section-identity > div > span {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.section-action-button:hover {
  border-color: var(--ink);
  background: var(--paper);
}

.danger-action {
  border-color: var(--danger);
  color: var(--danger);
}

.stacked-form .field {
  margin-top: 1.25rem;
}

.stacked-form label {
  color: var(--ink);
  font-size: var(--type-label-size);
  letter-spacing: 0;
  line-height: var(--type-support-leading);
  font-weight: 600;
}

input:not([type="checkbox"]) {
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper-bright);
  color: var(--ink);
}

.assignment-editor .field input:not([type="checkbox"]):not([type="hidden"]),
.assignment-editor .field select,
.assignment-editor .field textarea,
.attachment-management textarea {
  border: 1px solid var(--line-strong);
  background: var(--paper-bright);
  color: var(--ink);
}

.assignment-editor textarea,
.attachment-management textarea {
  resize: vertical;
}

.assignment-editor .field [aria-invalid="true"] {
  border-color: var(--danger);
}

input:not([type="checkbox"]):focus,
select:focus,
textarea:focus {
  border-color: var(--ink);
}

input::placeholder,
textarea::placeholder {
  color: #6d7776;
  opacity: 1;
}

input[type="checkbox"] {
  accent-color: var(--accent-deep);
}

.add-criterion-action:hover {
  background: var(--sage-pale);
}

.auth-page {
  background: var(--canvas);
}

.auth-intro .wordmark {
  color: var(--paper-bright);
  font-size: 0.92rem;
  letter-spacing: 0.12em;
}

/* Responsive composition: progressively enhance the mobile shell. */
@media (min-width: 40rem) {

  .assignment-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .assignment-fact {
    padding: 1rem;
  }

  .assignment-fact:first-child {
    padding-left: 0;
  }

  .assignment-fact + .assignment-fact {
    border-top: 0;
    border-left: 1px solid #dce2de;
  }
}

@media (min-width: 48rem) {
  .bulk-deadline-action {
    grid-template-columns: minmax(16rem, 1fr) auto;
    align-items: end;
  }

  .bulk-deadline-action .secondary-action {
    width: auto;
  }

  .deadline-row {
    grid-template-columns: minmax(10rem, 0.75fr) minmax(16rem, 1.25fr);
    align-items: end;
  }
}

@media (min-width: 54rem) {
  .workspace-page-header {
    top: 0;
  }

  .app-mobile-header {
    display: none;
  }

  .app-sidebar {
    position: fixed;
    z-index: 20;
    inset: 0 auto 0 0;
    display: flex;
    width: 15rem;
    flex-direction: column;
    padding: 1.25rem 1rem;
  }

  .app-sidebar .app-navigation {
    flex: 1;
    margin-top: 3rem;
  }

  .app-sidebar .app-account {
    display: grid;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid rgb(255 255 255 / 15%);
  }

  .app-sidebar .user-email {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .app-sidebar ~ .workspace-main {
    width: min(calc(100% - 19rem), 88rem);
    margin-right: auto;
    margin-left: max(18rem, calc(50% - 35.5rem));
  }

  .auth-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(26rem, 0.75fr);
  }

  .auth-intro {
    min-height: 100vh;
  }

  .user-email {
    display: inline;
  }

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

  .section-row {
    grid-template-columns: minmax(12rem, 1fr) minmax(0, auto);
    align-items: center;
  }

  .section-actions {
    justify-content: flex-end;
  }

  .roster-row {
    grid-template-columns: minmax(12rem, 1fr) minmax(0, auto);
    align-items: center;
  }

  .section-form-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .empty-workspace {
    grid-template-columns: 6rem minmax(0, 1fr);
  }
}

@media (min-width: 70rem) {
  .assignment-editor-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .published-schedule-editor {
    grid-column: 1 / -1;
  }

  .criterion-fields {
    grid-template-columns: minmax(0, 1fr) 6rem;
  }

  .criterion-field-title {
    grid-column: 1 / -1;
  }

  .criterion-field-description {
    grid-column: 1;
  }

  .criterion-field-points {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (min-width: 54rem) and (max-width: 71.99rem) {

  .dashboard-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .dashboard-secondary {
    padding-top: 1rem;
    padding-left: 0;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .dashboard-primary > :first-child,
  .dashboard-secondary > :first-child {
    margin-top: 2rem;
  }

  .section-row,
  .roster-row {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--register-row-gap);
    align-items: start;
  }

  .section-actions,
  .roster-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 53.99rem) {
  .workspace-page-header {
    min-height: 3.25rem;
    padding: 0.45rem clamp(0.15rem, 1vw, 0.75rem);
    overflow: hidden;
    top: 4.5rem;
    margin-bottom: 1.5rem;
  }

  .breadcrumbs ol {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0.6rem;
    scrollbar-width: none;
  }

  .breadcrumbs ol::-webkit-scrollbar {
    display: none;
  }

  .breadcrumbs li {
    flex: 0 0 auto;
    gap: 0.55rem;
  }

  .breadcrumbs a,
  .breadcrumbs [aria-current="page"] {
    overflow: visible;
    text-overflow: clip;
  }

  .breadcrumbs li.breadcrumbs-parent {
    max-width: none;
  }

  .breadcrumbs li.breadcrumbs-current {
    flex: 0 0 auto;
    max-width: none;
  }

  .workspace-main {
    width: min(100% - 1.5rem, 88rem);
  }

  .dashboard-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .dashboard-secondary {
    padding-top: 1rem;
    padding-left: 0;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .dashboard-primary > :first-child,
  .dashboard-secondary > :first-child {
    margin-top: 2rem;
  }

  .section-heading-row {
    align-items: center;
  }

  .section-heading-row > div {
    flex-wrap: wrap;
    gap: 0.25rem 0.65rem;
  }

  .course-card {
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    gap: 0.45rem 0.75rem;
    align-items: baseline;
  }

  .workspace-home-page .course-register .course-card {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto auto auto;
    gap: 0.55rem 0.8rem;
    padding: var(--register-row-padding-block) var(--register-row-padding-inline);
  }

  .workspace-home-page .course-register .course-card-details {
    display: contents;
  }

  .authoring-work-item {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    gap: 0.55rem 0.8rem;
    padding: var(--register-row-padding-block) var(--register-row-padding-inline);
  }

  .authoring-work-item-heading .course-card-term,
  .authoring-work-item-heading h3 {
    grid-column: 1;
  }

  .authoring-work-item-heading .course-card-term {
    grid-row: 1;
  }

  .authoring-work-item-heading h3 {
    grid-row: 2;
    align-self: start;
  }

  .authoring-work-item::after {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
  }

  .workspace-home-page .course-register .course-card .course-card-term {
    grid-column: 1;
    grid-row: 1;
  }

  .workspace-home-page .course-register .course-card > strong {
    grid-column: 1;
    grid-row: 2;
  }

  .workspace-home-page .course-register .course-card .course-card-role {
    grid-column: 1;
    grid-row: 3;
  }

  .workspace-home-page .course-register .course-card .course-metrics {
    grid-column: 1 / -1;
    grid-row: 4;
  }

  .workspace-home-page .course-register .course-card::after {
    grid-column: 2;
    grid-row: 2 / span 2;
  }

  .workspace-home-page .course-list-archived .course-card .course-card-term {
    grid-column: 1;
    grid-row: 2;
  }

  .workspace-home-page .course-list-archived .course-card > strong {
    grid-column: 1;
    grid-row: 3;
  }

  .workspace-home-page .course-list-archived .course-card .course-card-role {
    grid-column: 1;
    grid-row: 4;
  }

  .workspace-home-page .course-list-archived .course-card::after {
    grid-column: 2;
    grid-row: 3 / span 2;
  }

  .course-grid:not(.course-register) .course-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .course-grid:not(.course-register) .course-card > strong {
    grid-column: 1;
  }

  .course-card-index {
    grid-row: 1 / span 2;
  }

  .course-card-term {
    grid-column: 2;
  }

  .course-card strong {
    grid-column: 2;
    grid-row: 2;
  }

  .course-card-role {
    grid-column: 2;
    grid-row: 3;
  }

  .course-metrics {
    grid-column: 2 / -1;
    grid-row: 4;
    gap: 0.7rem;
  }

  .course-card-status {
    grid-column: 2;
  }

  .section-row,
  .roster-row {
    gap: var(--register-row-gap);
  }

  .section-actions,
  .roster-actions {
    justify-content: flex-start;
  }

  .section-action-button {
    min-height: 2.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Submission collection inherits the shared register and form controls. */
.submission-assignment {
  font-size: 1rem;
}

.submission-deadline {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.submission-form {
  display: grid;
  gap: 1.5rem;
}

.submission-upload-field {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.submission-field-label {
  font-size: var(--type-label-size);
  font-weight: 600;
  line-height: var(--type-support-leading);
  letter-spacing: 0;
}

.submission-upload-field .field-help {
  margin: 0;
}

.submission-form input[type="file"] {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin-block: 0.35rem;
  border: 1px solid var(--line-strong);
  background: var(--paper-bright);
  font-size: 0.95rem;
}

input[type="file"]::file-selector-button {
  margin-inline-end: 0.75rem;
  min-height: var(--control-height);
  padding: var(--control-padding-block) var(--control-padding-inline);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
  border-color: var(--ink);
  background: var(--canvas);
}

.submission-actions .primary-action {
  margin-top: 0;
}

.submission-replacement-notice {
  margin-block: 1.5rem;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.75;
}

.submission-replacement-notice strong {
  font-weight: 600;
}

.submission-warning {
  padding: 1rem;
  background: var(--paper-bright);
  color: var(--accent-deep);
  border-block: 1px solid var(--line-strong);
}

.file-picker:not([hidden]) {
  display: grid;
  gap: 0.75rem;
}

.file-picker .file-drop-zone {
  display: grid;
  width: 100%;
  min-height: 11rem;
  align-content: center;
  color: var(--ink);
  cursor: pointer;
  justify-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  border: 1px dashed var(--line-strong);
  background: var(--paper-bright);
  text-align: center;
}

.file-picker .file-drop-zone:hover,
.file-picker .file-drop-zone.is-dragging {
  border-color: var(--focus);
  background: var(--sage-pale);
}

.file-selected-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.file-selected-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper-bright);
}

.file-selected-list li + li {
  margin-top: 0.5rem;
}

.file-upload-icon {
  width: 2rem;
  height: 2rem;
  color: var(--ink-soft);
}

.file-selected-list li > span {
  display: grid;
  min-width: 0;
  overflow-wrap: anywhere;
}

.file-selected-list .secondary-link {
  cursor: pointer;
  flex-shrink: 0;
  min-height: var(--control-height);
}

.submission-result-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.submission-success-icon {
  flex: 0 0 2.5rem;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.45rem;
  background: var(--sage-pale);
  color: var(--ink);
}

.submission-result-assignment {
  font-size: 1.05rem;
  font-weight: 500;
}

.submission-result-course {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.submission-result-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem 2rem;
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.submission-result-facts dt {
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.submission-result-facts dd {
  margin: 0;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.submission-result-facts dd span {
  display: block;
  margin-top: 0.2rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 400;
}

.submission-result .submission-result-note {
  margin-top: 1rem;
}

.submission-result-files {
  margin-top: 1.75rem;
}

.submission-result-files-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
}

.workspace-main .submission-result-files-heading h2 {
  margin: 0;
  font-size: 1.2rem;
}

.submission-result-files-heading > span,
.submission-files-count {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.submission-current-heading {
  align-items: center;
}

.submission-current-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  flex: 1;
  min-width: 0;
}

.submission-result-files ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.submission-result-files li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.submission-result-files li > div {
  display: grid;
  min-width: 0;
  gap: 0.25rem;
  overflow-wrap: anywhere;
}

.submission-result-files strong {
  font-size: 0.95rem;
  font-weight: 500;
}

.submission-result-files .field-help {
  margin: 0;
}

.submission-result-files .secondary-link {
  flex-shrink: 0;
}

.submission-result-footer {
  margin-top: 1.5rem;
}

@media (min-width: 40rem) {
  .submission-result-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Retained attempts share a compact register; files live in each receipt. */
.submission-history-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.submission-history-list > li {
  display: block;
  padding: 0;
  border: 0;
}

.submission-history-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.submission-history-link:hover {
  background: var(--paper-bright);
}

.submission-history-link time {
  font-weight: 500;
}

.submission-history-meta,
.submission-history-open {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.submission-history-meta {
  color: var(--ink-soft);
}

.submission-history-open svg {
  width: 1rem;
  height: 1rem;
}

@media (max-width: 44rem) {
  .submission-history-link {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.35rem 0.75rem;
  }

  .submission-history-meta {
    grid-column: 1;
  }

  .submission-history-open {
    grid-column: 2;
    grid-row: 1 / 3;
  }
}

.collection-views {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  border-bottom: 1px solid var(--line-strong);
}

.collection-views a {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-height);
  padding-block: .75rem;
  margin-bottom: -1px;
  border-bottom: 3px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.collection-views a:hover {
  color: var(--ink);
  border-bottom-color: var(--line-strong);
}

.collection-views [aria-current="page"] {
  border-bottom-color: var(--ink);
  color: var(--ink);
  font-weight: 600;
}

.collection-scope-help {
  color: var(--ink-soft);
  margin-block: 0 .75rem;
}

.collection-scope-help summary {
  width: fit-content;
  padding-block: .65rem;
  min-height: var(--control-height);
  cursor: pointer;
  text-underline-offset: .2em;
}

.collection-scope-help summary:hover {
  color: var(--ink);
}

.collection-scope-help p,
.collection-scope-help li {
  word-break: normal;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.collection-scope-help p {
  margin-block: .5rem;
}

.collection-scope-help ul {
  margin-block: .75rem;
  padding-left: 1.5rem;
}

.collection-summary {
  margin-block: .75rem 0;
}

.collection-counts {
  display: grid;
  grid-template-columns: repeat(4, max-content);
  gap: .75rem 2.5rem;
  margin: 0;
  padding-block: .75rem;
  border-bottom: 1px solid var(--line);
}

.collection-counts div {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  min-width: 0;
  gap: .25rem .5rem;
}

.collection-counts dt {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: var(--type-support-leading);
}

.collection-counts dd {
  margin: 0;
  font-size: var(--type-count-size);
  font-variant-numeric: tabular-nums;
  line-height: var(--type-support-leading);
  font-weight: 400;
  letter-spacing: 0;
}

.collection-filters {
  display: grid;
  gap: .75rem;
  padding: .75rem;
  margin-block: 0 1.5rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.collection-filter-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: .75rem;
}

.collection-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1rem;
}

.collection-filters div {
  min-width: 0;
}

.collection-filters label {
  display: block;
  margin-bottom: .25rem;
  color: var(--ink-soft);
  font-size: var(--type-label-size);
  line-height: var(--type-support-leading);
  font-weight: 600;
  letter-spacing: 0;
}

.collection-filters input,
.collection-filters select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper-bright);
  color: var(--ink);
}

.collection-filter-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.collection-apply {
  margin: 0;
  cursor: pointer;
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper-bright);
}

.collection-apply:hover {
  background: var(--ink-soft);
  border-color: var(--ink-soft);
  color: var(--paper-bright);
}

.collection-clear {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-height);
  color: var(--ink-soft);
  text-underline-offset: .2em;
}

.collection-clear:hover {
  color: var(--ink);
}

.collection-results-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem 1.5rem;
}

.collection-results-heading h2,
.collection-results-heading p {
  margin: 0;
}

.collection-results-heading h2 {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  font-size: var(--type-section-size);
  font-weight: 500;
  line-height: var(--type-heading-leading);
  letter-spacing: 0;
}

.collection-results-heading h2 span {
  color: var(--ink-soft);
  font-size: var(--type-count-size);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  line-height: var(--type-support-leading);
  letter-spacing: 0;
}

.collection-table-scroll {
  width: 100%;
  max-width: 100%;
  margin-block: .75rem 1.5rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid var(--line);
}

.collection-table {
  width: 100%;
  min-width: 60rem;
  table-layout: fixed;
  border-collapse: collapse;
  text-align: left;
  background: var(--paper-bright);
}

.collection-column-student { width: 18%; }
.collection-column-course { width: 20%; }
.collection-column-time { width: 9rem; }
.collection-column-status,
.collection-column-action { width: 6rem; }

.collection-table th,
.collection-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  overflow-wrap: anywhere;
}

.collection-table thead th {
  background: var(--paper);
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-weight: 600;
  line-height: var(--type-support-leading);
}

.collection-table tbody th {
  font-weight: 500;
}

.collection-table tbody tr:nth-child(even) {
  background: var(--paper);
}

.collection-table tbody tr:hover,
.collection-table tbody tr:focus-within {
  background: var(--sage-pale);
}

.collection-table tbody tr:last-child > * {
  border-bottom: 0;
}

.collection-cell-secondary {
  display: block;
  margin-top: .25rem;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  font-weight: 400;
  line-height: var(--type-support-leading);
}

.collection-cell-time {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.collection-status {
  display: inline-block;
  white-space: nowrap;
  font-size: .9rem;
}

.collection-status--late {
  color: var(--accent-deep);
  font-weight: 600;
}

.collection-status--missing {
  color: var(--ink-soft);
}

.collection-row-action {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-height);
  color: var(--ink);
  white-space: nowrap;
  font-size: .9rem;
  text-underline-offset: .2em;
}

.collection-row-action:hover {
  color: var(--accent-deep);
}

@media (max-width: 48rem) {
  .collection-search-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .collection-filter-actions {
    justify-content: flex-end;
  }
}

@media (max-width: 40rem) {
  .collection-counts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collection-views {
    gap: 1rem;
  }
}

/* The temporary selection must remain rendered for legacy clipboard copying. */
.join-code-copy-buffer {
  position: fixed;
  inset: 0 auto auto 0;
  width: 1px;
  height: 1px;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}


/* Grading overview: scope and state, workflow actions, then the Student register. */
.grading-overview-context {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: .75rem;
}

.grading-overview-scope,
.grading-overview-state {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  display: grid;
  align-content: start;
  gap: .75rem;
}

.grading-overview-scope {
  flex: 1 1 28rem;
  background: var(--paper-bright);
}

.grading-overview-state {
  flex: 1 1 24rem;
  background: var(--sage-pale);
  color: var(--ink);
  gap: .5rem;
}

.grading-overview-scope > p,
.grading-overview-state > p {
  margin: 0;
}

.grading-overview-selector {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.grading-overview-selector select {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 100%;
}

.grading-overview-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .75rem 1.5rem;
  width: 100%;
}

.grading-overview-links .secondary-link {
  padding-inline: 0;
  border-color: transparent;
  background: transparent;
  text-decoration: underline;
  text-underline-offset: .2em;
}

.grading-overview-links .secondary-link:hover {
  color: var(--accent-deep);
}

.grading-overview-totals {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem 2.5rem;
}

.grading-overview-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .75rem;
}

.grading-summary-label {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  margin-inline-end: .25rem;
}

.grading-overview-summary .collection-counts {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  padding: 0;
  border: 0;
  margin: 0;
}

.grading-overview-progress {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem 1.5rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.grading-overview-progress p {
  margin: 0;
}

.grading-overview-count-help summary {
  display: list-item;
  min-height: var(--control-height);
  align-content: center;
  cursor: pointer;
}

.grading-overview-count-help p {
  padding-bottom: .75rem;
  max-width: 40ch;
}

.grading-overview-table { min-width: 64rem; }
.grading-mobile-label { display: none; }

.grading-overview-column-student { width: auto; }
.grading-overview-column-status { width: 10rem; }
.grading-overview-column-time { width: 12rem; }
.grading-overview-column-result { width: 10rem; }
.grading-overview-column-action { width: 15rem; }

.grading-overview-table th,
.grading-overview-table td {
  vertical-align: middle;
}

.grading-overview-table td > p {
  margin: 0;
}

.grading-counted-score {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.grading-row-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
}

.grading-row-actions > a {
  flex-shrink: 0;
}

.grading-overview-table td > .collection-cell-secondary:first-child {
  margin-top: 0;
}

@media (max-width: 40rem) {
  .grading-overview-summary .collection-counts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }
}

/* Selected-attempt assessment: evidence first, then the scoring worksheet. */
.assessment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 1.5rem;
}

.assessment-layout > *,
.assessment-form fieldset,
.assessment-criterion > * {
  min-width: 0;
}

.assessment-layout p,
.assessment-layout h2,
.assessment-layout dt,
.assessment-layout dd,
.assessment-layout a,
.assessment-layout summary {
  overflow-wrap: anywhere;
}

.assessment-evidence {
  padding: 1.25rem;
  background: var(--sage-pale);
  border: 1px solid var(--line);
}

.assessment-evidence h2,
.assessment-comments h2,
.assessment-history h2 {
  margin: 0 0 .75rem;
  font-size: 1.125rem;
}

.assessment-version-picker {
  display: grid;
  gap: .5rem;
}

.assessment-version-picker label,
.assessment-form label {
  font-size: var(--type-label-size);
  font-weight: 600;
}

.assessment-version-picker select {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.assessment-version-picker button {
  justify-self: start;
}

.assessment-facts {
  display: grid;
  gap: .75rem;
  margin: 1.5rem 0;
}

.assessment-facts dt,
.assessment-files li > span {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.assessment-facts dd {
  margin: .25rem 0 0;
  font-variant-numeric: tabular-nums;
}

.assessment-files {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.assessment-files h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
}

.assessment-files h2 span {
  font-size: var(--type-metadata-size);
  font-weight: 400;
  color: var(--ink-soft);
}

.assessment-files ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.assessment-files li {
  display: grid;
  padding-bottom: .75rem;
}

.assessment-files a {
  white-space: normal;
}

.assessment-help {
  margin-top: .75rem;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.assessment-layout summary {
  min-height: var(--control-height);
  align-content: center;
  cursor: pointer;
}

.assessment-form {
  padding: 1.25rem;
  background: var(--paper-bright);
  border: 1px solid var(--line);
}

.assessment-form fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.assessment-form legend {
  padding: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.assessment-instructions,
.assessment-edit-meta,
.assessment-history-heading p {
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.assessment-instructions {
  margin: .5rem 0 1.25rem;
}

.assessment-criterion {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 8rem;
  gap: .25rem 1.5rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--line);
}

.assessment-criterion h2 {
  margin: 0 0 .5rem;
  font-size: 1.125rem;
}

.assessment-criterion-body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
}

.assessment-form label {
  display: block;
  margin-bottom: .5rem;
}

.assessment-form textarea,
.assessment-score input[type="number"] {
  display: block;
  width: 100%;
  max-width: 100%;
}

.assessment-score input {
  font-variant-numeric: tabular-nums;
}

.assessment-feedback {
  grid-column: 1 / -1;
  font-size: var(--type-metadata-size);
}

.assessment-feedback summary {
  color: var(--ink-soft);
}

.assessment-feedback label {
  margin-top: .5rem;
}

.assessment-comments {
  padding-block: 1.25rem;
  border-top: 1px solid var(--line);
}

.assessment-comment-fields {
  display: grid;
  gap: 1.25rem;
}

.assessment-save-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.assessment-save-bar p {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.assessment-save-bar .workspace-actions {
  margin: 0;
}

.assessment-notice {
  margin: 0 0 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.assessment-notice-published {
  border-color: var(--sage);
  background: var(--sage-pale);
}

.assessment-notice-readonly {
  background: var(--canvas);
}

.assessment-notice-withdrawn,
.assessment-notice-error {
  border-color: var(--accent-deep);
  background: var(--correction-pale);
}

.assessment-notice-error {
  color: var(--accent-deep);
}

.assessment-notice p {
  margin: 0;
}

.assessment-notice > a {
  display: inline-block;
  margin-top: .75rem;
}

.assessment-publication-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1rem;
}

.assessment-publication-status > .primary-link {
  display: inline-flex;
  margin: 0;
}

.assessment-edit-meta {
  margin: .75rem 0 0;
  line-height: 1.6;
}

.assessment-help p {
  margin: .5rem 0 0;
  line-height: 1.75;
}

.assessment-history {
  margin-top: 2rem;
}

.assessment-history-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding-bottom: 1.25rem;
}

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

.assessment-history-heading h2 {
  margin-bottom: .5rem;
}

.assessment-history-heading p {
  margin: 0;
  line-height: 1.6;
}

.assessment-history-heading .assessment-release-actions {
  margin: 0;
}

.assessment-form fieldset:disabled .assessment-criteria {
  margin-top: 1.25rem;
}

.assessment-history details {
  border-top: 1px solid var(--line);
}

.assessment-history summary {
  padding-block: 1rem;
  line-height: 1.6;
}

.assessment-history summary:hover {
  color: var(--accent-deep);
}

.assessment-history-meta {
  display: block;
  margin-top: .25rem;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.assessment-history-content {
  padding: .25rem 0 1.25rem;
  line-height: 1.75;
}

.assessment-history-content dl {
  margin: 0;
}

.assessment-history-content dt:first-child {
  margin-top: 0;
}

.assessment-history-content h3 {
  margin: 1.25rem 0 .5rem;
  font-size: var(--type-subsection-size);
  font-weight: 500;
}

.assessment-history-content p {
  margin: 0;
}

.assessment-history-content dt {
  margin-top: .75rem;
  font-weight: 600;
}

.assessment-history-content dd {
  margin: .25rem 0 0;
  color: var(--ink-soft);
}

@media (min-width: 72rem) {
  .assessment-layout {
    grid-template-columns: minmax(15rem, 18rem) minmax(0, 1fr);
  }
}

@media (max-width: 40rem) {
  .assessment-criterion {
    grid-template-columns: minmax(0, 1fr);
    gap: .75rem;
  }

  .assessment-score {
    max-width: 8rem;
  }

  .assessment-evidence,
  .assessment-form {
    padding: 1rem;
  }

  .assessment-save-bar .workspace-actions,
  .assessment-history-heading .assessment-release-actions {
    width: 100%;
  }

  .assessment-save-bar .workspace-actions > *,
  .assessment-release-actions > * {
    flex: 1;
    text-align: center;
  }
}

/* Grade publication: scoped selection, Student register, then exact-result review. */
.grade-publication-content {
  min-width: 0;
  padding-bottom: 2rem;
}

.grade-publication-scope {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.grade-publication-scope fieldset {
  flex: 1 1 20rem;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.grade-publication-scope legend {
  margin-bottom: .75rem;
  padding: 0;
  font-size: var(--type-label-size);
  font-weight: 600;
}

.grade-publication-sections {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
}

.grade-publication-sections label {
  display: flex;
  align-items: center;
  gap: .625rem;
  min-height: var(--control-height);
  margin: 0;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.grade-publication-sections input[type="checkbox"] {
  flex: 0 0 auto;
  width: 1.125rem;
  height: 1.125rem;
  min-height: 0;
  margin: 0;
  accent-color: var(--ink);
}

.grade-publication-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.grade-publication-heading::after {
  content: "";
  flex: 1;
  align-self: center;
  border-top: 1px solid var(--line);
}

.grade-publication-heading h2 {
  margin: 0;
  font-size: var(--type-section-size);
  font-weight: 500;
  line-height: var(--type-heading-leading);
}

.grade-publication-heading > span {
  order: 1;
  color: var(--ink-soft);
  font-size: var(--type-count-size);
  font-variant-numeric: tabular-nums;
}

.grade-publication-help {
  max-width: 65ch;
  margin: .75rem 0 1.25rem;
  color: var(--ink-soft);
  line-height: 1.75;
}

.grade-publication-register {
  border-top: 2px solid var(--ink);
  background: var(--paper-bright);
}

.grade-publication-choice {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) minmax(0, 2fr);
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-top: 0;
}

.grade-publication-identity,
.grade-publication-select { min-width: 0; }

.grade-publication-student {
  display: block;
  margin: 0;
  font-size: var(--register-title-size);
  font-weight: 500;
  overflow-wrap: anywhere;
}

.grade-publication-meta {
  display: block;
  margin-top: .375rem;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.grade-publication-select select {
  width: 100%;
  min-width: 0;
  min-height: var(--control-height);
}

.grade-publication-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding-block: 1.25rem;
}

.grade-publication-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--type-metadata-size);
}

.grade-publication-empty,
.grade-publication-message {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.grade-publication-empty h3,
.grade-publication-message h2 {
  margin: 0;
  font-size: var(--type-section-size);
  font-weight: 500;
}

.grade-publication-empty p,
.grade-publication-message p {
  max-width: 55ch;
  margin: .75rem 0 1.5rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.grade-publication-preview { margin-bottom: 0; }
.grade-publication-preview .collection-table { min-width: 38rem; }
.grade-publication-preview .collection-table td,
.grade-publication-preview .collection-table th { padding: 1.25rem 1.5rem; }
.grade-publication-preview .grade-publication-proposed { background: var(--paper); }
.grade-publication-score { display: block; font-size: 1.375rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.grade-publication-version { display: block; margin-top: .5rem; font-size: var(--type-label-size); }

@media (max-width: 48rem) {
  .grade-publication-scope { padding: 1rem; }
  .grade-publication-choice { grid-template-columns: 1fr; gap: .75rem; padding: 1rem; }
  .grade-publication-heading { flex-wrap: wrap; gap: .5rem .75rem; }
  .grade-publication-heading > span { font-size: 1rem; }
  .grade-publication-footer { align-items: stretch; }
  .grade-publication-footer > p { flex-basis: 100%; }
  .grade-publication-footer > .primary-link { width: 100%; }
  .grade-publication-footer .workspace-actions { width: 100%; }
  .grade-publication-footer .workspace-actions > * { flex: 1; text-align: center; }
}

.grading-selection-column { width: 4rem; }
.grading-overview-table .grading-selection-cell {
  width: 4rem;
  padding: .5rem;
  text-align: center;
}
.grading-selection-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  cursor: pointer;
}
.grading-selection-label[hidden],
.grading-selection-actions [hidden] { display: none; }
.grading-selection-label input {
  appearance: none;
  display: grid;
  place-content: center;
  width: 1.125rem;
  height: 1.125rem;
  margin: 0;
  border: 1px solid var(--ink-soft);
  border-radius: 0;
  background: var(--paper-bright);
  color: var(--paper-bright);
  cursor: pointer;
}
.grading-selection-label input::before {
  content: "";
  width: .625rem;
  height: .625rem;
  background: currentColor;
  clip-path: polygon(14% 44%, 0 59%, 39% 100%, 100% 18%, 83% 5%, 37% 70%);
  visibility: hidden;
}
.grading-selection-label input:checked,
.grading-selection-label input:indeterminate {
  border-color: var(--accent-deep);
  background: var(--accent-deep);
}
.grading-selection-label input:checked::before,
.grading-selection-label input:indeterminate::before { visibility: visible; }
.grading-selection-label input:indeterminate::before {
  height: .125rem;
  clip-path: none;
}
.grading-selection-label input:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.grading-selection-label input:disabled { opacity: .5; cursor: not-allowed; }
@media (forced-colors: active) {
  .grading-selection-label input {
    appearance: auto;
    background: Canvas;
    color: CanvasText;
  }
  .grading-selection-label input::before { display: none; }
}
.grading-selection-actions { flex-wrap: wrap; margin-block: 1rem; }
.grading-selection-actions button:disabled { opacity: .5; cursor: not-allowed; }


@media (max-width: 48rem) {
  .grading-overview-scroll { overflow: visible; }
  .grading-overview-table {
    display: block;
    min-width: 0;
  }
  .grading-overview-table colgroup { display: none; }
  .grading-overview-table thead,
  .grading-overview-table tbody { display: block; }
  .grading-overview-table thead tr { display: block; }
  .grading-overview-table thead th:not(.grading-selection-cell) {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .grading-overview-table thead .grading-selection-cell {
    display: block;
    width: auto;
    padding: .5rem 1rem;
    text-align: left;
  }
  .grading-overview-table thead .grading-selection-label { gap: .75rem; }
  .grading-overview-table tbody tr {
    display: grid;
    grid-template-columns: 2.75rem minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "select student status"
      ". time result"
      ". action action";
    align-items: start;
    gap: .75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--line);
  }
  .grading-overview-table tbody tr:last-child { border-bottom: 0; }
  .grading-overview-table tbody th,
  .grading-overview-table tbody td {
    display: block;
    min-width: 0;
    padding: 0;
    border: 0;
  }
  .grading-overview-table tbody .grading-selection-cell {
    grid-area: select;
    width: auto;
    padding: 0;
    text-align: left;
  }
  .grading-overview-table tbody .grading-selection-label { justify-content: flex-start; }
  .grading-overview-table .grading-action-cell > .grading-mobile-label { display: none; }
  .grading-student-cell { grid-area: student; }
  .grading-time-cell { grid-area: time; }
  .grading-status-cell { grid-area: status; }
  .grading-result-cell { grid-area: result; }
  .grading-action-cell { grid-area: action; }
  .grading-overview-table tbody tr:not(:has(.grading-selection-cell)) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "student status" "time result" "action action";
  }
  .grading-mobile-label {
    display: block;
    color: var(--ink-soft);
    font-size: var(--type-metadata-size);
    margin-bottom: .25rem;
  }
  .grading-selection-label .grading-mobile-label { margin: 0; }
  .grading-overview-table .collection-cell-time { white-space: normal; }
  .grading-row-actions > a { min-height: 2.75rem; display: inline-flex; align-items: center; }
  .grading-selection-actions > [data-selection-action] { flex: 1 1 10rem; }
}

@media (max-width: 26rem) {
  .grading-overview-table tbody tr {
    grid-template-columns: 2.75rem minmax(0, 1fr);
    grid-template-areas: "select student" ". status" ". time" ". result" ". action";
    gap: .5rem .75rem;
  }
  .grading-overview-table tbody tr:not(:has(.grading-selection-cell)) {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "student" "status" "time" "result" "action";
  }
  .grading-status-cell .grading-mobile-label { display: none; }
  .grading-overview-table .grading-action-cell { padding-top: .25rem; }
}

.grading-history-values {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.grading-history-values dd { margin-inline-start: 0; }