/* Class hub and school feed. Loaded last so this feature follows one stable system. */

.class-hub,
.class-notice-detail {
  --class-accent: var(--campus-green, #0b6b4f);
  --class-accent-deep: var(--campus-green-deep, #07543f);
  --class-accent-soft: var(--campus-green-soft, #eaf4ef);
  --class-blue: var(--campus-blue, #2563eb);
  --class-blue-soft: var(--campus-blue-soft, #edf3ff);
  --class-ink: var(--campus-ink, #17212f);
  --class-muted: var(--campus-muted, #67746d);
  --class-line: var(--campus-line, #dce5df);
  --class-paper: #fff;
  min-width: 0;
}

.class-hub > *,
.class-notice-detail > *,
.home-class-summary > *,
.home-school-feed > * {
  min-width: 0;
}

.class-loading {
  display: flex;
  min-height: 180px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-top: 1px solid var(--class-line);
  color: var(--class-muted);
}

.class-group-navigation {
  display: grid;
  gap: 12px;
  border-block: 1px solid var(--class-line);
  padding: 14px 0;
}

.class-scope-tabs,
.class-notice-filters,
.school-feed-tabs {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 4px;
}

.class-scope-tabs button,
.class-notice-filters button,
.school-feed-tabs button {
  min-height: 36px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  padding: 6px 10px;
  color: var(--class-muted);
  font-size: 13px;
  font-weight: 760;
}

.class-scope-tabs button.active,
.class-notice-filters button.active,
.school-feed-tabs button.active {
  border-bottom-color: var(--class-accent);
  color: var(--class-accent-deep);
}

.class-group-list {
  display: grid;
  grid-auto-columns: minmax(150px, 190px);
  grid-auto-flow: column;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 1px 6px;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  scroll-snap-type: inline proximity;
}

.class-group-choice {
  display: grid;
  min-height: 72px;
  align-content: center;
  justify-items: start;
  gap: 2px;
  scroll-snap-align: start;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: var(--class-paper);
  padding: 10px 12px;
  color: var(--class-ink);
  text-align: left;
}

.class-group-choice span,
.class-group-choice small {
  color: var(--class-muted);
  font-size: 11px;
  font-weight: 700;
}

.class-group-choice strong {
  max-width: 100%;
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.class-group-choice.active {
  border-color: var(--class-accent);
  background: var(--class-accent-soft);
  box-shadow: inset 3px 0 0 var(--class-accent);
}

.class-summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  overflow: hidden;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: var(--class-paper);
}

.class-summary-strip > div {
  display: grid;
  min-height: 76px;
  align-content: center;
  gap: 4px;
  border-right: 1px solid var(--class-line);
  padding: 12px 16px;
}

.class-summary-strip span {
  color: var(--class-muted);
  font-size: 12px;
  font-weight: 650;
}

.class-summary-strip strong {
  overflow-wrap: anywhere;
  color: var(--class-ink);
  font-size: 17px;
}

.class-summary-strip > button {
  min-width: 124px;
  margin: 12px;
}

.teacher-class-summary {
  grid-template-columns: 1.4fr repeat(3, minmax(110px, 1fr));
}

.teacher-class-summary > div:last-child {
  border-right: 0;
}

.class-setup-panel,
.class-officer-panel,
.class-roster-panel,
.student-number-review-panel {
  overflow: hidden;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: var(--class-paper);
}

.class-setup-panel > summary,
.class-officer-panel > summary,
.class-roster-panel > summary,
.student-number-review-panel > summary {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  padding: 12px 16px;
  list-style: none;
}

.class-setup-panel > summary::-webkit-details-marker,
.class-officer-panel > summary::-webkit-details-marker,
.class-roster-panel > summary::-webkit-details-marker,
.student-number-review-panel > summary::-webkit-details-marker {
  display: none;
}

.class-setup-panel > summary > span,
.class-officer-panel > summary > span,
.class-roster-panel > summary > span,
.student-number-review-panel > summary > span {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.class-setup-panel > summary span span,
.class-officer-panel > summary span span,
.class-roster-panel > summary span span,
.student-number-review-panel > summary span span {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.class-setup-panel summary small,
.class-officer-panel summary small,
.class-roster-panel summary small,
.student-number-review-panel summary small {
  color: var(--class-muted);
  font-size: 12px;
  font-weight: 550;
}

.class-setup-panel[open] > summary,
.class-officer-panel[open] > summary,
.class-roster-panel[open] > summary,
.student-number-review-panel[open] > summary {
  border-bottom: 1px solid var(--class-line);
}

.class-setup-form,
.class-officer-panel form,
.student-number-panel form,
.private-notice-questions form {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.class-setup-form fieldset,
.class-target-fieldset {
  min-width: 0;
  margin: 0;
  border: 0;
  padding: 0;
}

.class-setup-form legend,
.class-target-fieldset legend {
  margin-bottom: 9px;
  color: var(--class-ink);
  font-size: 13px;
  font-weight: 800;
}

.class-subject-checks {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.class-subject-checks label,
.class-target-grid label {
  position: relative;
  min-width: 0;
}

.class-subject-checks input,
.class-target-grid input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.class-subject-checks span,
.class-target-grid label > span {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--class-line);
  border-radius: 7px;
  background: #fff;
  padding: 8px;
  color: var(--class-muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.class-subject-checks input:checked + span,
.class-target-grid input:checked + span {
  border-color: var(--class-accent);
  background: var(--class-accent-soft);
  color: var(--class-accent-deep);
}

.class-subject-checks input:focus-visible + span,
.class-target-grid input:focus-visible + span {
  outline: 3px solid var(--campus-focus, rgba(37, 99, 235, .22));
  outline-offset: 2px;
}

.class-toggle,
.class-final-confirm,
.class-renotify,
.signup-student-confirm {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: #f8faf8;
  padding: 12px 14px;
}

.class-toggle input,
.class-final-confirm input,
.class-renotify input,
.signup-student-confirm input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--class-accent);
}

.class-toggle > span,
.class-final-confirm > span,
.signup-student-confirm > span {
  display: grid;
  gap: 2px;
}

.class-toggle small,
.class-final-confirm small,
.signup-student-confirm small {
  color: var(--class-muted);
  font-size: 12px;
}

.teacher-homeroom-toggle {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: #f8faf8;
  padding: 13px 14px;
}

.teacher-homeroom-toggle input {
  width: 19px;
  height: 19px;
  margin: 1px 0 0;
  accent-color: var(--class-accent);
}

.teacher-homeroom-toggle > span {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.teacher-homeroom-toggle small {
  color: var(--class-muted);
  font-size: 12px;
}

.teacher-homeroom-selects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.teacher-homeroom-selects[hidden] {
  display: none;
}

.class-homeroom-fields,
.class-form-primary,
.class-date-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.class-form-primary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.class-homeroom-fields[hidden] {
  display: none;
}

.class-officer-panel form {
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  align-items: end;
}

.class-officer-panel .class-officer-search {
  grid-column: 1 / -1;
  max-width: 360px;
}

.class-officer-reminder,
.class-inline-notice {
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 4px solid var(--class-accent);
  background: var(--class-accent-soft);
  padding: 13px 16px;
  color: var(--class-accent-deep);
}

.class-officer-reminder span {
  display: grid;
  gap: 2px;
}

.class-officer-reminder small {
  font-size: 12px;
}

.class-notice-section,
.home-class-summary,
.home-school-feed {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--class-line);
  padding-top: 20px;
}

.class-notice-list,
.school-feed-list {
  display: grid;
  border-top: 1px solid var(--class-line);
}

.class-notice-row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) minmax(100px, auto);
  min-width: 0;
  gap: 14px;
  border-bottom: 1px solid var(--class-line);
  background: #fff;
  padding: 15px 4px;
  transition: background-color .15s ease;
}

.class-notice-row:hover {
  background: #f8faf8;
}

.class-notice-row.unread .class-notice-copy > strong {
  color: var(--class-blue);
}

.class-notice-row.important {
  box-shadow: inset 3px 0 0 #d99b16;
  padding-left: 12px;
}

.class-notice-state {
  display: flex;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 5px;
}

.class-notice-type,
.class-important-label,
.task-check,
.new-label,
.waiting-answer,
.school-feed-kind {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border: 1px solid var(--class-line);
  border-radius: 6px;
  background: #f8faf8;
  padding: 3px 7px;
  color: var(--class-muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
}

.class-important-label {
  border-color: #ebd28e;
  background: #fff7dc;
  color: #805b00;
}

.class-notice-type.type-performance,
.class-notice-type.type-exam,
.class-notice-type.type-assignment,
.class-notice-type.type-submission {
  border-color: #bed0f8;
  background: var(--class-blue-soft);
  color: #1d4ed8;
}

.class-notice-type.type-material,
.class-notice-type.type-schedule_change,
.class-notice-type.type-room_change,
.class-notice-type.type-makeup,
.class-notice-type.type-cancelled {
  border-color: #bcdccc;
  background: var(--class-accent-soft);
  color: var(--class-accent-deep);
}

.class-notice-copy {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.class-notice-copy > strong {
  overflow-wrap: anywhere;
  color: var(--class-ink);
  font-size: 15px;
}

.class-notice-copy > p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--class-muted);
  font-size: 13px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.class-notice-meta {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 5px 12px;
  color: var(--class-muted);
  font-size: 11px;
}

.class-notice-trailing {
  display: grid;
  min-width: 0;
  align-content: center;
  justify-items: end;
  gap: 6px;
  color: var(--class-muted);
  text-align: right;
}

.class-notice-trailing > .icon {
  width: 17px;
  height: 17px;
}

.task-check {
  gap: 4px;
}

.task-check.done {
  border-color: #bcdccc;
  background: var(--class-accent-soft);
  color: var(--class-accent-deep);
}

.class-notice-composer,
.elective-class-composer,
.student-number-panel {
  display: grid;
  gap: 16px;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: var(--class-paper);
  padding: 20px;
}

.class-notice-form,
.elective-class-form {
  display: grid;
  gap: 15px;
}

.student-number-review-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 14px;
}

.student-number-review-list > article {
  display: grid;
  min-width: 0;
  gap: 11px;
  border: 1px solid var(--class-line);
  border-radius: 8px;
  background: #f8faf9;
  padding: 14px;
}

.student-number-review-list header,
.student-number-review-list footer,
.student-number-review-list > article > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.student-number-review-list header small,
.student-number-review-list span small,
.student-number-review-list p {
  color: var(--class-muted);
  font-size: 12px;
}

.student-number-review-list span {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.student-number-review-list span strong {
  overflow-wrap: anywhere;
  font-size: 13px;
}

.student-number-review-list > article > div > .icon {
  width: 16px;
  flex: 0 0 16px;
}

.student-number-review-list p {
  margin: 0;
  line-height: 1.55;
}

.student-number-review-list footer {
  justify-content: flex-end;
}

.school-calendar-marks .notice,
.school-calendar-legend .notice {
  background: #2563eb;
}

.school-class-notice-day {
  display: grid;
  gap: 10px;
  border-bottom: 1px solid var(--campus-line, #dce5df);
  background: #f8fbff;
  padding: 16px 19px;
}

.school-class-notice-day h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--campus-ink, #17212f);
  font-size: 14px;
}

.school-class-notice-day h3 .icon {
  color: #2563eb;
}

.school-class-notice-day > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.school-class-notice-day button {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  border: 1px solid #dbe7fa;
  border-radius: 8px;
  background: #fff;
  padding: 12px 13px;
  color: var(--campus-text, #26332d);
  text-align: left;
}

.school-class-notice-day button > span {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.school-class-notice-day small,
.school-class-notice-day strong,
.school-class-notice-day em {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.school-class-notice-day small {
  color: #2563eb;
  font-size: 11px;
  font-weight: 800;
}

.school-class-notice-day strong {
  font-size: 13px;
}

.school-class-notice-day em {
  color: var(--campus-muted, #67746d);
  font-size: 11px;
  font-style: normal;
}

.class-target-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-height: 280px;
  gap: 6px;
  overflow-y: auto;
  padding: 3px;
}

.class-target-shortcuts {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.class-target-shortcuts button {
  min-height: 34px;
  border: 1px solid var(--class-line);
  border-radius: 7px;
  background: #fff;
  padding: 6px 10px;
  color: var(--class-muted);
  font-size: 12px;
  font-weight: 750;
}

.class-target-shortcuts button:hover,
.class-target-shortcuts button:focus-visible {
  border-color: var(--class-accent);
  color: var(--class-accent-deep);
}

.class-target-grid label > span {
  min-height: 54px;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  text-align: left;
}

.class-target-grid small {
  color: inherit;
  opacity: .76;
}

.class-audience-summary,
.class-form-help {
  margin: 8px 0 0;
  color: var(--class-muted);
  font-size: 12px;
}

.class-notice-options {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  border-block: 1px solid var(--class-line);
  padding: 12px 0;
}

.class-notice-options > label:not(:last-child),
.class-renotify {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}

.class-notice-options > label:last-child {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 8px;
}

.class-notice-options .select {
  width: auto;
  min-width: 140px;
}

.class-compose-actions,
.class-invite-actions,
.roster-preview-actions,
.class-notice-manage {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.class-document-picker {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 8px 12px;
  border: 1px dashed var(--class-line);
  padding: 12px;
}

.class-document-picker > span {
  color: var(--class-muted);
  font-size: 12px;
}

.class-document-list {
  display: grid;
  grid-column: 1 / -1;
}

.class-document-list > div,
.class-document-row,
.class-roster-list > div,
.roster-preview-list > div {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) minmax(80px, auto) auto;
  min-width: 0;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--class-line);
  padding: 10px 2px;
}

.class-document-list button {
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
}

.class-roster-list,
.roster-preview-list {
  max-height: 390px;
  overflow-y: auto;
  padding: 0 16px;
}

.class-roster-list small,
.roster-preview-list small {
  color: var(--class-muted);
  text-align: right;
}

.class-missing-numbers {
  margin: 0;
  border-bottom: 1px solid var(--class-line);
  background: #f8faf8;
  padding: 12px 16px;
  color: var(--class-muted);
  font-size: 12px;
}

.class-invite-actions {
  border-top: 1px solid var(--class-line);
  padding: 12px 16px;
}

.class-join-qr-panel {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--class-line);
  background: #f8faf8;
  padding: 18px;
}

.class-join-qr-panel img {
  display: block;
  width: 180px;
  height: 180px;
  border: 1px solid var(--class-line);
  background: #fff;
  padding: 8px;
}

.class-join-qr-panel > div {
  display: grid;
  min-width: 0;
  justify-items: start;
  gap: 7px;
}

.class-join-qr-panel strong {
  color: var(--class-ink);
  font-size: 18px;
}

.class-join-qr-panel p {
  max-width: 48ch;
  margin: 0 0 5px;
  color: var(--class-muted);
  font-size: 13px;
  line-height: 1.65;
}

.roster-preview {
  border: 1px solid var(--class-line);
  border-radius: 8px;
  overflow: hidden;
}

.roster-preview-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--class-line);
  background: #f8faf8;
}

.roster-preview-summary span {
  display: grid;
  gap: 2px;
  border-right: 1px solid var(--class-line);
  padding: 10px 12px;
  color: var(--class-muted);
  font-size: 11px;
}

.roster-preview-summary span:last-child {
  border-right: 0;
}

.roster-preview-summary strong {
  color: var(--class-ink);
  font-size: 17px;
}

.roster-preview-list .removed {
  color: #8a5b00;
}

.roster-preview-list .invalid {
  color: #a42c27;
}

.student-number-current,
.student-number-preview {
  display: grid;
  grid-template-columns: minmax(110px, .6fr) minmax(160px, 1fr) minmax(0, 1.5fr);
  align-items: center;
  gap: 12px;
  border-block: 1px solid var(--class-line);
  padding: 14px 2px;
}

.student-number-current span,
.student-number-preview span,
.student-number-current small,
.student-number-preview small {
  color: var(--class-muted);
  font-size: 12px;
}

.student-number-preview.available strong {
  color: var(--class-accent-deep);
}

.student-number-preview.unavailable strong {
  color: #a42c27;
}

.class-back-button {
  justify-self: start;
}

.class-notice-detail-head {
  display: grid;
  gap: 10px;
  border-bottom: 1px solid var(--class-line);
  padding: 8px 0 22px;
}

.class-notice-detail-head > div {
  display: flex;
  gap: 6px;
}

.class-notice-detail-head h1 {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--class-ink);
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.25;
  letter-spacing: 0;
}

.class-notice-detail-head p {
  margin: 0;
  color: var(--class-muted);
  font-size: 13px;
}

.class-notice-date-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block: 1px solid var(--class-line);
}

.class-notice-date-band > div {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
}

.class-notice-date-band > div + div {
  border-left: 1px solid var(--class-line);
}

.class-notice-date-band span {
  color: var(--class-muted);
  font-size: 11px;
}

.class-notice-content {
  min-height: 160px;
  overflow-wrap: anywhere;
  padding: 24px 2px;
  color: var(--class-ink);
  font-size: 16px;
  line-height: 1.75;
}

.class-notice-resources,
.private-notice-questions {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--class-line);
  padding-top: 18px;
}

.class-notice-resources h2 {
  margin: 0;
  font-size: 16px;
}

.class-notice-resources > a,
.class-document-row {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 10px;
  border: 0;
  border-bottom: 1px solid var(--class-line);
  background: transparent;
  padding: 12px 2px;
  color: var(--class-ink);
  text-align: left;
}

.class-document-row > span {
  display: grid;
  min-width: 0;
  flex: 1;
}

.class-document-row small {
  color: var(--class-muted);
}

.class-task-complete {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--class-blue);
  border-radius: 8px;
  background: var(--class-blue);
  color: #fff;
  font-weight: 800;
}

.class-task-complete.done {
  border-color: var(--class-accent);
  background: var(--class-accent-soft);
  color: var(--class-accent-deep);
}

.class-notice-manage {
  border-block: 1px solid var(--class-line);
  padding: 12px 0;
}

.class-notice-manage > span {
  margin-right: auto;
  color: var(--class-muted);
  font-size: 12px;
}

.private-question-list {
  display: grid;
  border-top: 1px solid var(--class-line);
}

.private-question-list > article {
  display: grid;
  gap: 8px;
  border-bottom: 1px solid var(--class-line);
  padding: 16px 2px;
}

.private-question-list article > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.private-question-list p {
  margin: 0;
  overflow-wrap: anywhere;
}

.private-question-list blockquote {
  margin: 0;
  border-left: 3px solid var(--class-accent);
  background: var(--class-accent-soft);
  padding: 12px 14px;
}

.home-class-summary,
.home-school-feed {
  margin-top: 4px;
}

.home-class-summary .class-notice-row {
  grid-template-columns: 90px minmax(0, 1fr) minmax(80px, auto);
}

.home-class-summary.loading {
  min-height: 72px;
  grid-template-columns: auto 1fr;
  align-items: center;
}

.home-class-empty {
  display: flex;
  width: 100%;
  min-height: 64px;
  align-items: center;
  gap: 10px;
  border: 0;
  border-bottom: 1px solid var(--class-line);
  background: transparent;
  color: var(--class-muted);
  text-align: left;
}

.home-class-empty .icon:last-child {
  margin-left: auto;
}

.school-feed-row {
  display: grid;
  min-width: 0;
  gap: 7px;
  border-bottom: 1px solid var(--class-line);
  background: #fff;
  padding: 16px 2px;
}

.school-feed-row > div,
.school-feed-row footer {
  display: flex;
  min-width: 0;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  color: var(--class-muted);
  font-size: 11px;
}

.school-feed-row > strong {
  overflow-wrap: anywhere;
  font-size: 16px;
}

.school-feed-row > p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--class-muted);
  font-size: 13px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.school-feed-row footer button {
  width: 36px;
  min-width: 36px;
  height: 36px;
  margin-left: auto;
  border: 0;
  background: transparent;
  color: var(--class-muted);
}

/* Student-number confirmation during signup. */
.signup-student-identity {
  display: grid;
  gap: 12px;
  border-block: 1px solid var(--campus-line, #dce5df);
  padding-block: 14px;
}

.signup-student-identity[hidden] {
  display: none;
}

.signup-identity-warning {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-left: 3px solid #d99b16;
  background: #fff9e8;
  padding: 11px 12px;
  color: #6f5208;
}

.signup-identity-warning p,
.signup-identity-warning span {
  display: grid;
  margin: 0;
}

.signup-identity-warning span {
  font-size: 12px;
}

.signup-identity-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.signup-student-number-preview {
  display: grid;
  grid-template-columns: minmax(96px, auto) minmax(100px, 1fr) minmax(210px, 2fr);
  align-items: center;
  gap: 10px;
  border: 1px solid var(--campus-line, #dce5df);
  border-radius: 8px;
  padding: 12px;
}

.signup-student-number-preview > span {
  color: var(--campus-muted, #67746d);
  font-size: 12px;
}

.signup-student-number-preview > strong {
  font-size: 18px;
}

.signup-student-number-preview dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.signup-student-number-preview dl > div {
  display: grid;
  gap: 1px;
  border-left: 1px solid var(--campus-line, #dce5df);
  padding-left: 10px;
}

.signup-student-number-preview dt {
  color: var(--campus-muted, #67746d);
  font-size: 10px;
}

.signup-student-number-preview dd {
  margin: 0;
  font-size: 13px;
  font-weight: 750;
}

@media (max-width: 900px) {
  .class-subject-checks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .class-target-shortcuts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .class-target-shortcuts button {
    width: 100%;
    padding-inline: 4px;
  }

  .class-summary-strip,
  .teacher-class-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .class-summary-strip > div:nth-child(2n) {
    border-right: 0;
  }

  .class-summary-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--class-line);
  }

  .class-summary-strip > button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .app-shell {
    padding-bottom: calc(60px + env(safe-area-inset-bottom));
  }

  .mobile-tabbar {
    left: 0;
    bottom: 0;
    grid-template-columns: repeat(var(--mobile-tab-count, 5), minmax(0, 1fr));
    width: 100%;
    min-height: calc(56px + env(safe-area-inset-bottom));
    transform: none;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
    padding: 2px 3px max(2px, env(safe-area-inset-bottom));
  }

  .mobile-tabbar button {
    grid-template-rows: 20px 12px;
    min-height: 52px;
    gap: 3px;
    border-radius: 7px;
    padding: 3px 1px;
    font-size: 9px;
  }

  .mobile-tabbar button .icon {
    width: 20px;
    min-width: 20px;
    height: 20px;
    min-height: 20px;
  }

  .class-hub > .workspace-head,
  .class-notice-detail > .workspace-head {
    margin-bottom: 0;
  }

  .class-group-navigation {
    margin-inline: -14px;
    padding-inline: 14px;
  }

  .class-scope-tabs,
  .class-notice-filters,
  .school-feed-tabs {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .class-scope-tabs::-webkit-scrollbar,
  .class-notice-filters::-webkit-scrollbar,
  .school-feed-tabs::-webkit-scrollbar {
    display: none;
  }

  .class-notice-section > .workspace-section-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .workspace-section-head > .class-notice-filters {
    display: flex;
    width: 100%;
  }

  .class-notice-filters button {
    flex: 1 1 0;
  }

  .class-group-list {
    grid-auto-columns: minmax(142px, 44vw);
  }

  .class-summary-strip,
  .teacher-class-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .class-summary-strip > div {
    min-height: 68px;
    padding: 10px 12px;
  }

  .class-summary-strip strong {
    font-size: 15px;
  }

  .class-summary-strip > button {
    width: auto;
    min-width: 0;
    margin: 9px;
  }

  .class-setup-panel > summary,
  .class-officer-panel > summary,
  .class-roster-panel > summary,
  .student-number-review-panel > summary {
    min-height: 58px;
    padding: 11px 12px;
  }

  .class-setup-form,
  .class-officer-panel form,
  .student-number-panel form,
  .private-notice-questions form {
    padding: 13px 12px;
  }

  .class-subject-checks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .student-number-review-list {
    grid-template-columns: minmax(0, 1fr);
    padding: 10px;
  }

  .school-class-notice-day {
    padding: 14px 16px;
  }

  .school-class-notice-day > div {
    grid-template-columns: minmax(0, 1fr);
  }

  .class-homeroom-fields,
  .class-form-primary,
  .class-date-fields,
  .class-officer-panel form,
  .teacher-homeroom-selects {
    grid-template-columns: minmax(0, 1fr);
  }

  .class-notice-section,
  .home-class-summary,
  .home-school-feed {
    padding-top: 16px;
  }

  .class-notice-row,
  .home-class-summary .class-notice-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px 10px;
    padding: 13px 2px;
  }

  .class-notice-row.important {
    padding-left: 9px;
  }

  .class-notice-state {
    grid-column: 1;
    grid-row: 1;
  }

  .class-notice-copy {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .class-notice-trailing {
    grid-column: 2;
    grid-row: 1;
    grid-auto-flow: column;
    align-items: center;
  }

  .class-notice-trailing > small:not(.new-label),
  .class-notice-copy > p {
    display: none;
  }

  .class-notice-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .class-notice-meta span:nth-child(2) {
    display: none;
  }

  .class-notice-composer,
  .elective-class-composer,
  .student-number-panel {
    gap: 13px;
    padding: 14px;
  }

  .class-target-grid {
    grid-template-columns: minmax(0, 1fr);
    max-height: 260px;
  }

  .class-notice-options {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .class-notice-options > label:last-child {
    margin-left: 0;
  }

  .class-notice-options .select {
    width: 100%;
  }

  .class-compose-actions > button {
    flex: 1;
  }

  .class-document-picker {
    grid-template-columns: minmax(0, 1fr);
  }

  .class-document-list {
    grid-column: 1;
  }

  .roster-preview-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .roster-preview-summary span:nth-child(2) {
    border-right: 0;
  }

  .roster-preview-summary span:nth-child(-n + 2) {
    border-bottom: 1px solid var(--class-line);
  }

  .class-roster-list > div,
  .roster-preview-list > div {
    grid-template-columns: minmax(78px, auto) minmax(0, 1fr);
  }

  .class-roster-list small,
  .roster-preview-list small {
    grid-column: 2;
    text-align: left;
  }

  .class-invite-actions {
    justify-content: stretch;
  }

  .class-invite-actions > button {
    flex: 1 1 140px;
  }

  .class-join-qr-panel {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    padding: 16px;
    text-align: center;
  }

  .class-join-qr-panel > div {
    justify-items: center;
  }

  .student-number-current,
  .student-number-preview {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .class-notice-detail-head h1 {
    font-size: 26px;
  }

  .class-notice-date-band {
    grid-template-columns: minmax(0, 1fr);
  }

  .class-notice-date-band > div + div {
    border-top: 1px solid var(--class-line);
    border-left: 0;
  }

  .class-notice-content {
    min-height: 120px;
    padding-block: 18px;
    font-size: 15px;
  }

  .signup-identity-fields,
  .signup-student-number-preview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .signup-student-number-preview > span,
  .signup-student-number-preview > strong {
    grid-column: 1 / -1;
  }

  .signup-student-number-preview dl {
    grid-column: 1 / -1;
  }
}

@media (max-width: 380px) {
  .class-subject-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .class-summary-strip,
  .teacher-class-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .class-summary-strip > div,
  .class-summary-strip > div:nth-child(2n) {
    border-right: 0;
    border-bottom: 1px solid var(--class-line);
  }

  .class-summary-strip > button {
    grid-column: 1;
  }

  .mobile-tabbar button > span {
    font-size: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .class-group-list {
    scroll-behavior: auto;
  }

  .class-notice-row {
    transition: none;
  }
}