* {
  box-sizing: border-box;
}

:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --line: #dce4ef;
  --text: #152033;
  --muted: #637083;
  --blue: #1769e0;
  --blue-strong: #155fc9;
  --blue-soft: #eaf2ff;
  --line-soft: #e7edf6;
  --green: #16a34a;
  --teal: #0891b2;
  --orange: #ea8a10;
  --pink: #db2777;
  --red: #dc2626;
  --shadow: 0 14px 34px rgba(21, 32, 51, 0.07);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #f7faff 0%, var(--bg) 280px),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
select,
textarea {
  font: inherit;
}

button {
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  cursor: progress;
  opacity: 0.68;
}

[hidden] {
  display: none !important;
}

.entry-shell {
  display: grid;
  align-content: center;
  min-height: 100vh;
  padding: 48px;
}

.entry-hero {
  max-width: 960px;
  margin-bottom: 28px;
}

.entry-hero h1 {
  margin: 0 0 16px;
  font-size: 44px;
  line-height: 1.12;
}

.entry-hero p {
  max-width: 860px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.entry-card {
  min-height: 280px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.entry-card span,
.entry-card p,
.entry-card li {
  color: var(--muted);
}

.entry-card .entry-sequence {
  color: #305b9a;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.entry-card strong {
  display: block;
  margin: 14px 0;
  font-size: 28px;
}

.entry-card.student {
  border-top: 5px solid var(--blue);
}

.entry-card.teacher {
  border-top: 5px solid var(--orange);
}

.entry-card.parent {
  border-top: 5px solid var(--pink);
}

.entry-card.admin {
  border-top: 5px solid var(--green);
}

.entry-card.principal {
  border-top: 5px solid #7451e8;
}

.entry-card.foreign-teacher {
  border-top: 5px solid #0f9e9a;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 0.18s ease;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 76px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  background: #0f1726;
  color: #eef4ff;
  overflow: hidden;
}

.sidebar-toggle {
  display: grid;
  width: 34px;
  height: 34px;
  min-height: 34px;
  place-items: center;
  margin: 0 0 14px auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #d8e2f3;
  font-size: 22px;
  line-height: 1;
}

.sidebar-toggle:hover {
  background: #22314a;
  color: #ffffff;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 0 6px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand-mark {
  flex: 0 0 auto;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--blue);
  font-weight: 900;
}

.brand strong,
.brand small,
.tenant-card span,
.tenant-card small {
  display: block;
}

.brand small,
.tenant-card span,
.tenant-card small {
  color: #aebbd0;
}

.nav {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.nav-item,
.admin-nav-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 14px;
  border: 1px solid transparent;
  background: transparent;
  color: #d8e2f3;
  text-align: left;
  text-decoration: none;
}

.nav-item.active,
.nav-item:hover,
.admin-nav-link:hover {
  border-color: rgba(96, 165, 250, 0.22);
  background: #22314a;
  color: #fff;
}

.teacher-sidebar-menu {
  display: none;
  gap: 8px;
  margin: -2px 0 10px 14px;
  padding: 8px 0 2px 12px;
  border-left: 2px solid rgba(96, 165, 250, 0.42);
}

.nav-item[data-view="teacher"].active + .teacher-sidebar-menu {
  display: grid;
}

.teacher-sidebar-menu button {
  display: flex;
  align-items: center;
  min-height: 38px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #aebbd0;
  text-align: left;
  font-size: 14px;
  font-weight: 800;
}

.teacher-sidebar-menu button.active,
.teacher-sidebar-menu button:hover {
  border-color: rgba(96, 165, 250, 0.34);
  background: #1d2a42;
  color: #ffffff;
}

.teacher-sidebar-section {
  margin: 8px 0 0;
  color: #7f8ca4;
  font-size: 12px;
  font-weight: 900;
}

.teacher-sidebar-menu button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.tenant-card {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.tenant-card strong {
  display: block;
  margin: 8px 0 4px;
}

.teacher-status-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.teacher-status-list p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  color: #c9d6ea;
  font-size: 13px;
}

.teacher-status-list b {
  color: #ffffff;
}

.sidebar-collapsed .sidebar {
  padding: 18px 10px;
}

.sidebar-collapsed .sidebar-toggle {
  margin-right: auto;
  margin-left: auto;
}

.sidebar-collapsed .brand {
  justify-content: center;
  padding: 0 0 18px;
}

.sidebar-collapsed .brand div,
.sidebar-collapsed .teacher-sidebar-section {
  display: none;
}

.sidebar-collapsed .brand-mark {
  width: 42px;
  height: 42px;
}

.sidebar-collapsed .nav {
  gap: 10px;
  margin-top: 18px;
}

.sidebar-collapsed .nav-item,
.sidebar-collapsed .admin-nav-link,
.sidebar-collapsed .teacher-sidebar-menu button {
  justify-content: center;
  width: 46px;
  min-height: 42px;
  padding: 0;
  font-size: 0;
}

.sidebar-collapsed .nav-item::before,
.sidebar-collapsed .admin-nav-link::before,
.sidebar-collapsed .teacher-sidebar-menu button::before {
  content: attr(data-short);
  font-size: 15px;
  font-weight: 900;
}

.sidebar-collapsed .teacher-sidebar-menu {
  margin: 0;
  padding: 0;
  border-left: 0;
  place-items: center;
}

.sidebar-collapsed .tenant-card {
  display: grid;
  place-items: center;
  padding: 10px 0;
}

.sidebar-collapsed .tenant-card span,
.sidebar-collapsed .tenant-card small,
.sidebar-collapsed .teacher-status-list {
  display: none;
}

.sidebar-collapsed .tenant-card strong {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin: 0;
  border-radius: 999px;
  background: #22314a;
  color: #ffffff;
  font-size: 0;
}

.sidebar-collapsed .tenant-card strong::before {
  content: "Ms";
  font-size: 14px;
}

.workspace {
  min-width: 0;
  padding: 30px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 32px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 8px;
}

.service-status {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 160px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.04);
}

.service-status span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--green);
}

.service-status.is-busy span {
  background: var(--orange);
}

.service-status.is-error span {
  background: var(--red);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

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

.panel,
.metric-card,
.band-grid article,
.skill-task-grid article,
.timeline-grid article,
.recommendation-grid article,
.practice-card,
.teacher-insight-grid article {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  margin-bottom: 18px;
  padding: 24px;
}

.hero-panel h2 {
  max-width: 860px;
  font-size: 28px;
  line-height: 1.25;
}

.hero-panel,
.teacher-notice-panel {
  grid-column: 1 / -1;
}

.hero-panel p {
  max-width: 880px;
  color: var(--muted);
  line-height: 1.75;
}

.teacher-notice-panel {
  margin-bottom: 0;
}

.notice-scroll-list {
  display: grid;
  gap: 8px;
  max-height: 118px;
  overflow-y: auto;
  padding-right: 6px;
}

.notice-row {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
  color: #334155;
  text-align: left;
  line-height: 1.55;
  cursor: pointer;
}

.notice-row:hover {
  border-color: #93c5fd;
  background: #eff6ff;
}

.metric-card {
  display: grid;
  align-content: center;
  min-height: 150px;
  padding: 20px;
}

.metric-card span,
.metric-card small,
.panel-header span,
.detail-list span,
.band-grid span,
.skill-task-grid span,
.recommendation-grid span {
  color: var(--muted);
}

.metric-card strong {
  margin-top: 8px;
  font-size: 34px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.panel-header h2 {
  margin: 0 0 4px;
  letter-spacing: 0;
}

.primary-action {
  padding: 0 18px;
  background: var(--blue);
  color: white;
  box-shadow: 0 8px 18px rgba(23, 105, 224, 0.18);
}

.primary-action:hover {
  background: var(--blue-strong);
}

.secondary-action {
  padding: 0 16px;
  border: 1px solid var(--line-soft);
  background: #f8fafc;
  color: var(--text);
}

.ghost-action {
  margin-top: 10px;
  border-color: #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
}

.band-grid,
.skill-task-grid,
.timeline-grid,
.recommendation-grid,
.engagement-grid,
.badge-grid,
.effort-strip,
.teacher-insight-grid,
.two-column {
  display: grid;
  gap: 14px;
}

.band-grid,
.skill-task-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.timeline-grid,
.recommendation-grid,
.engagement-grid,
.badge-grid,
.teacher-insight-grid,
.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.effort-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.badge-medal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

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

.score-split-card {
  padding: 20px;
  border: 1px solid #dbe7f6;
  border-radius: 8px;
  background: #f8fbff;
}

.score-split-card span,
.score-split-card strong,
.score-split-card small {
  display: block;
}

.score-split-card span {
  color: #52627a;
  font-size: 14px;
}

.score-split-card strong {
  margin: 8px 0;
  color: #0f172a;
  font-size: 42px;
  line-height: 1;
}

.score-split-card p {
  margin: 0 0 12px;
  color: #334155;
}

.score-split-card small {
  padding: 12px;
  border-radius: 8px;
  background: #ffffff;
  color: #0f766e;
  line-height: 1.5;
}

.preview-score {
  border-left: 5px solid #2563eb;
}

.mastery-score {
  border-left: 5px solid #14b8a6;
}

.band-grid article,
.skill-task-grid article,
.timeline-grid article,
.recommendation-grid article,
.engagement-grid article,
.badge-grid article,
.effort-strip article,
.badge-medal-grid article,
.practice-card,
.teacher-insight-grid article {
  padding: 16px;
}

.badge-medal-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  text-align: center;
}

.medal-ring {
  display: grid;
  width: 86px;
  height: 86px;
  margin: 0 auto 12px;
  place-items: center;
  border: 8px solid #bfdbfe;
  border-top-color: var(--blue);
  border-radius: 999px;
  background: #fff;
  color: var(--blue);
  font-size: 20px;
  font-weight: 900;
}

.badge-medal-grid strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.band-grid strong {
  display: block;
  margin: 10px 0;
  font-size: 34px;
}

.band-grid b {
  display: block;
  height: 8px;
  margin: 12px 0 10px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
}

.band-grid p,
.ability-notes p,
.skill-task-grid p,
.timeline-grid p,
.recommendation-grid p,
.engagement-grid p,
.badge-grid p,
.badge-medal-grid p,
.effort-strip p,
.practice-card p,
.teacher-insight-grid p,
.list-item p,
.feedback p,
.report-view p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.ability-radar-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: stretch;
}

.ability-radar-card {
  margin: 0;
  padding: 18px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #f8fbff;
  box-shadow: var(--shadow);
}

.ability-radar-card svg {
  display: block;
  width: 100%;
  height: auto;
}

.radar-grid {
  fill: none;
  stroke: #cbd5e1;
  stroke-width: 1.6;
}

.radar-grid.middle {
  stroke: #dbeafe;
}

.radar-grid.inner {
  stroke: #e2e8f0;
}

.radar-axis {
  stroke: #dbeafe;
  stroke-width: 1.4;
}

.radar-shape {
  fill: rgba(37, 99, 235, 0.2);
  stroke: #2563eb;
  stroke-width: 3;
}

.radar-point {
  fill: #14b8a6;
  stroke: #fff;
  stroke-width: 2;
}

.radar-center {
  fill: #1d4ed8;
  stroke: #eff6ff;
  stroke-width: 6;
}

.radar-label {
  fill: #334155;
  font-size: 14px;
  font-weight: 800;
}

.radar-label.top,
.radar-label.bottom,
.radar-center-label,
.radar-center-score {
  text-anchor: middle;
}

.radar-label.right {
  text-anchor: end;
}

.radar-label.left {
  text-anchor: start;
}

.radar-center-label {
  fill: #bfdbfe;
  font-size: 13px;
  font-weight: 800;
}

.radar-center-score {
  fill: #fff;
  font-size: 34px;
  font-weight: 900;
}

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

.ability-notes article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.ability-notes span,
.ability-notes strong {
  display: block;
}

.ability-notes span {
  color: var(--muted);
  font-weight: 800;
}

.ability-notes strong {
  margin-top: 6px;
  font-size: 26px;
}

.ability-notes p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.recommendation-grid .priority {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.recommendation-grid small {
  display: block;
  margin-top: 12px;
  color: #334155;
  font-weight: 800;
}

.engagement-grid article,
.badge-grid article,
.effort-strip article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.engagement-grid .celebrate,
.effort-strip article:first-child {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.engagement-grid span,
.effort-strip span {
  color: var(--muted);
  font-weight: 800;
}

.engagement-grid strong,
.effort-strip strong {
  display: block;
  margin: 8px 0;
  font-size: 22px;
}

.badge-grid article {
  border-top: 4px solid var(--orange);
}

.list-stack,
.question-list,
.notice-list {
  display: grid;
  gap: 12px;
}

.with-top {
  margin-top: 18px;
}

.with-bottom {
  margin-bottom: 18px;
}

.compact-input {
  margin: 12px 0;
}

.compact-input textarea {
  min-height: 110px;
}

.list-item,
.question-list article,
.notice-list p {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.list-item h3 {
  margin-bottom: 6px;
  font-size: 17px;
}

.status-pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-size: 13px;
  font-weight: 900;
}

.status-pill.submitted {
  background: #fef3c7;
  color: #92400e;
}

.status-pill.completed {
  background: #dcfce7;
  color: #166534;
}

.learning-panel {
  max-width: 980px;
}

.text-input {
  display: grid;
  gap: 8px;
  color: #334155;
  font-weight: 800;
}

.file-input {
  display: grid;
  gap: 8px;
  color: #334155;
  font-weight: 800;
}

.file-input input {
  width: 100%;
  padding: 12px;
  border: 1px dashed #94a3b8;
  border-radius: 6px;
  background: #f8fafc;
}

textarea {
  width: 100%;
  min-height: 160px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  line-height: 1.7;
  resize: vertical;
}

.feedback {
  margin-top: 16px;
}

.feedback-card {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #f8fafc;
}

#teacher-material-feedback {
  min-height: 190px;
  max-height: 520px;
  overflow: auto;
  margin-top: 14px;
}

#teacher-material-feedback.photo-upload-feedback {
  min-height: 260px;
}

#teacher-material-feedback.parsing,
#teacher-material-feedback.success,
#teacher-material-feedback.warning {
  min-height: 220px;
}

.feedback-card h3 {
  margin: 0 0 8px;
}

.feedback-card p {
  margin: 0;
  color: #475569;
  line-height: 1.6;
}

.feedback-card.success {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.feedback-card.warning {
  border-color: #fde68a;
  background: #fffbeb;
}

.feedback-card.parsing {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.mini-score-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.mini-score-grid span {
  display: block;
  padding: 10px;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.mini-score-grid strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 20px;
}

.small-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.detail-list p {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.report-view {
  display: grid;
  gap: 16px;
}

.report-summary {
  padding: 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, #e0f2fe, #fce7f3);
}

.score-highlight {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  gap: 14px;
  align-items: center;
  padding: 20px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #eff6ff;
  box-shadow: var(--shadow);
}

.effort-highlight {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(4, minmax(110px, auto));
  gap: 14px;
  align-items: center;
  padding: 18px;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  background: #f0fdf4;
  box-shadow: var(--shadow);
}

.effort-highlight h3 {
  margin-bottom: 4px;
  font-size: 21px;
}

.effort-highlight p {
  margin: 0;
  color: var(--muted);
}

.effort-mini {
  min-width: 110px;
  padding: 12px;
  border-radius: 8px;
  background: #fff;
  text-align: center;
}

.effort-mini span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.effort-mini strong {
  display: block;
  margin-top: 4px;
  font-size: 24px;
}

.score-highlight h3 {
  margin-bottom: 4px;
  font-size: 22px;
}

.score-highlight p {
  margin: 0;
  color: var(--muted);
}

.score-chip {
  min-width: 104px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #fff;
  text-align: center;
}

.score-chip span,
.score-delta span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.score-chip strong,
.score-delta strong {
  display: block;
  margin-top: 4px;
  font-size: 30px;
  line-height: 1;
}

.score-delta {
  min-width: 120px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #dcfce7;
  color: #166534;
  text-align: center;
}

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

.report-grid div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.report-grid span,
.report-grid strong {
  display: block;
}

.report-grid strong {
  margin-top: 8px;
  font-size: 24px;
}

.teacher-insight-grid ol {
  margin: 8px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

.teacher-source-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr);
  gap: 16px;
  align-items: start;
  margin-top: 4px;
}

.teacher-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

.teacher-module-menu {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.teacher-module-menu button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #f8fafc;
  color: #475569;
  text-align: left;
  font-weight: 900;
}

.teacher-module-menu button.active {
  border-color: var(--blue);
  background: #eff6ff;
  color: #1d4ed8;
}

.sidebar .teacher-sidebar-menu {
  position: static;
  display: none;
  gap: 8px;
  margin: -2px 0 10px 14px;
  padding: 8px 0 2px 12px;
  border: 0;
  border-left: 2px solid rgba(96, 165, 250, 0.42);
  border-radius: 0;
  background: transparent;
}

.sidebar .nav-item[data-view="teacher"].active + .teacher-sidebar-menu {
  display: grid;
}

.sidebar .teacher-sidebar-menu button {
  min-height: 38px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #aebbd0;
  text-align: left;
  font-size: 14px;
  font-weight: 800;
}

.sidebar .teacher-sidebar-menu button.active,
.sidebar .teacher-sidebar-menu button:hover {
  border-color: rgba(96, 165, 250, 0.34);
  background: #1d2a42;
  color: #ffffff;
}

.teacher-module-content {
  min-width: 0;
}

.teacher-module {
  display: none;
}

.teacher-module.active {
  display: block;
}

.source-picker,
.upload-source,
.teacher-material-grid article {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #f8fafc;
}

.source-picker-primary {
  background: #ffffff;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.05);
}

.source-picker-secondary {
  background: #f8fafc;
}

.source-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.source-badge.personal {
  background: #dcfce7;
  color: #166534;
}

.teacher-workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.teacher-workflow-steps article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #f8fafc;
  color: #64748b;
}

.teacher-workflow-steps article span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 999px;
  background: #e2e8f0;
  color: #64748b;
  font-weight: 900;
}

.teacher-workflow-steps article.done {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}

.teacher-workflow-steps article.done span {
  background: #16a34a;
  color: #ffffff;
}

.teacher-workflow-steps article.done span::before {
  content: "✓";
}

.teacher-workflow-steps article.done span {
  font-size: 0;
}

.teacher-workflow-steps article.done span::before {
  font-size: 15px;
}

.teacher-workflow-steps article.active {
  border-color: #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
  box-shadow: inset 3px 0 0 var(--blue);
}

.teacher-workflow-steps article.active span {
  background: var(--blue);
  color: #ffffff;
}

.teacher-workflow-steps strong,
.teacher-workflow-steps small {
  display: block;
}

.teacher-workflow-steps strong {
  color: #0f172a;
  font-size: 15px;
}

.teacher-workflow-steps small {
  margin-top: 3px;
  color: inherit;
  font-size: 12px;
  font-weight: 800;
}

.current-material-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 16px;
  padding: 12px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #f8fbff;
}

.current-material-summary > div {
  min-width: 0;
  padding: 10px;
  border-radius: 8px;
  background: #ffffff;
}

.current-material-summary span,
.current-material-summary strong {
  display: block;
}

.current-material-summary span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.current-material-summary strong {
  margin-top: 5px;
  overflow-wrap: anywhere;
  color: #0f172a;
  font-size: 14px;
}

.teacher-import-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.teacher-import-steps article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #f8fafc;
}

.teacher-import-steps article.active {
  border-color: #bfdbfe;
  background: var(--blue-soft);
  box-shadow: inset 3px 0 0 var(--blue);
}

.teacher-import-steps span {
  display: grid;
  width: 28px;
  height: 28px;
  grid-row: span 2;
  place-items: center;
  border-radius: 999px;
  background: var(--blue);
  color: #ffffff;
  font-weight: 900;
}

.teacher-import-steps strong {
  font-size: 15px;
}

.teacher-import-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.source-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.teacher-source-tabs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.source-tabs button {
  display: grid;
  place-items: center;
  gap: 2px;
  min-height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  color: #475569;
}

.source-tabs button span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.source-tabs button.active {
  border-color: var(--blue);
  background: #eff6ff;
  color: #1d4ed8;
}

.upload-source p {
  color: var(--muted);
  line-height: 1.65;
}

.library-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.library-panel-heading > div {
  min-width: 0;
}

.library-panel-heading h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.teacher-analyze-action {
  min-width: 138px;
}

.teacher-analyze-control {
  display: flex;
  flex-wrap: wrap;
  justify-items: end;
  justify-content: flex-end;
  gap: 8px;
  min-width: 138px;
}

.teacher-reparse-action {
  min-width: 96px;
}

.library-panel-heading span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.library-panel-heading .primary-action {
  min-height: 38px;
  padding: 0 14px;
  white-space: nowrap;
}

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

.upload-entry-card {
  display: grid;
  gap: 6px;
  min-height: 104px;
  align-content: center;
  padding: 14px;
  border: 1px solid #d8e2ef;
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  text-align: left;
  transition: border-color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
}

.upload-entry-card:hover {
  border-color: var(--blue);
  background: #eff6ff;
  transform: translateY(-1px);
}

.upload-entry-card.is-photo-panel-expanded,
.upload-entry-card.is-photo-panel-collapsed {
  border-color: var(--blue);
  background: #eff6ff;
}

.upload-entry-card.is-photo-panel-collapsed span::after {
  content: "，已收起";
}

.upload-entry-card.is-photo-panel-expanded span::after {
  content: "，已展开";
}

.upload-entry-card strong {
  font-size: 18px;
}

.upload-entry-card span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.upload-entry-card input {
  margin-top: 8px;
  width: 100%;
}

.primary-upload-entry {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.personal-selected-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(4, auto);
  gap: 8px;
  align-items: center;
  margin-top: 12px;
  padding: 10px;
  border: 1px solid #d8e2ef;
  border-radius: 8px;
  background: #ffffff;
}

.personal-selected-actions > div {
  min-width: 0;
}

.personal-selected-actions span,
.personal-selected-actions strong {
  display: block;
}

.personal-selected-actions span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.personal-selected-actions strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
}

.personal-selected-actions button {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #f8fafc;
  color: #334155;
  font-size: 12px;
  font-weight: 900;
}

.personal-selected-actions .danger-action {
  border-color: #fecaca;
  background: #fff7f7;
  color: #b91c1c;
}

.source-picker-secondary > .text-input {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
}

.teacher-library-note,
.teacher-mobile-upload-note {
  display: grid;
  gap: 8px;
  margin: 14px 0;
  padding: 14px;
  border-radius: 8px;
  line-height: 1.55;
}

.teacher-library-note {
  border: 1px solid #fde68a;
  background: #fffbeb;
  color: #92400e;
}

.teacher-mobile-upload-note {
  border: 1px solid #c7d2fe;
  background: #eef2ff;
  color: #3730a3;
}

.teacher-library-note p,
.teacher-mobile-upload-note p {
  margin: 0;
  color: inherit;
}

.material-meta-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.material-directory {
  max-height: 430px;
  margin: 12px 0;
  overflow: auto;
  padding: 0;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
}

.material-native-select {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.cloud-explorer {
  display: grid;
  gap: 10px;
  min-height: 330px;
  padding: 12px;
  background: #ffffff;
}

.cloud-explorer-toolbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.cloud-explorer-up {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #d8e2ef;
  border-radius: 6px;
  background: #f8fafc;
  color: #334155;
  font-weight: 900;
}

.cloud-explorer-up:disabled {
  opacity: 0.45;
}

.cloud-explorer-path {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border: 1px solid #d8e2ef;
  border-radius: 6px;
  background: #f8fafc;
  overflow-x: auto;
}

.cloud-explorer-path button {
  border: 0;
  background: transparent;
  color: #1d4ed8;
  font-weight: 900;
  white-space: nowrap;
}

.cloud-explorer-path span {
  color: #94a3b8;
  font-weight: 900;
}

.cloud-explorer-count {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.cloud-explorer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  min-height: 260px;
}

.cloud-explorer-list {
  overflow: auto;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
}

.personal-file-card-list {
  display: grid;
  gap: 8px;
  max-height: 220px;
  overflow: auto;
  margin: 12px 0;
}

.personal-file-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 60px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  text-align: left;
}

.personal-file-card:hover,
.personal-file-card.active {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.personal-file-card.active {
  box-shadow: inset 3px 0 0 var(--blue);
}

.personal-file-card strong,
.personal-file-card small {
  display: block;
}

.personal-file-card strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.personal-file-card small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.personal-file-card em {
  padding: 4px 7px;
  border-radius: 999px;
  background: #e2e8f0;
  color: #475569;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e2e8f0;
  color: #475569;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.status-badge.parsed {
  background: #dcfce7;
  color: #166534;
}

.status-badge.mixed {
  background: #e0f2fe;
  color: #075985;
}

.status-badge.processing {
  background: #dbeafe;
  color: #1d4ed8;
}

.status-badge.failed {
  background: #fee2e2;
  color: #b91c1c;
}

.status-badge.idle {
  background: #e2e8f0;
  color: #475569;
}

.analysis-result-card {
  background: #ffffff;
}

.teacher-analysis-panel {
  margin-top: 16px;
}

.analysis-result-header {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #f8fbff;
}

.analysis-result-header h3 {
  margin: 10px 0 6px;
  color: #0f172a;
  font-size: 22px;
}

.analysis-result-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.analysis-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.analysis-meta-grid p {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
}

.analysis-meta-grid span,
.analysis-meta-grid strong {
  display: block;
}

.analysis-meta-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.analysis-meta-grid strong {
  margin-top: 5px;
  overflow-wrap: anywhere;
  color: #0f172a;
  font-size: 13px;
}

.analysis-structured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.analysis-section {
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
}

.analysis-section.wide {
  grid-column: span 3;
}

.analysis-section h4 {
  margin: 0 0 10px;
  color: #0f172a;
  font-size: 16px;
}

.analysis-bullet-list {
  margin: 0;
  padding-left: 18px;
  color: #334155;
  line-height: 1.7;
}

.analysis-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.analysis-tag-list span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 13px;
  font-weight: 900;
}

.analysis-sentence-list {
  display: grid;
  gap: 8px;
}

.analysis-sentence-list article {
  padding: 10px 12px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
  color: #0f172a;
  font-weight: 900;
}

.analysis-activity-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.analysis-activity-flow article {
  display: grid;
  gap: 6px;
  align-content: start;
  min-height: 130px;
  padding: 12px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
}

.analysis-activity-flow span {
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 900;
}

.analysis-activity-flow strong {
  color: #0f172a;
}

.analysis-activity-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.analysis-result-grid {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.analysis-result-grid section {
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #f8fafc;
}

.analysis-result-grid strong {
  display: block;
  margin-bottom: 6px;
}

.analysis-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.analysis-next-actions button {
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 13px;
  padding: 0 12px;
}

.analysis-next-actions .primary-action {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.analysis-next-actions.compact {
  margin-top: 12px;
}

.cloud-explorer-row {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 60px;
  padding: 10px 12px;
  border: 0;
  border-bottom: 1px solid #e2e8f0;
  background: transparent;
  color: #0f172a;
  text-align: left;
}

.cloud-explorer-row:last-child {
  border-bottom: 0;
}

.cloud-explorer-row:hover,
.cloud-explorer-row.active {
  background: #dbeafe;
}

.cloud-explorer-row.active {
  box-shadow: inset 3px 0 0 var(--blue);
}

.cloud-explorer-row.folder:hover {
  background: #eef2ff;
}

.cloud-file-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 6px;
  background: #ffffff;
  font-size: 20px;
}

.cloud-file-select {
  display: grid;
  grid-template-columns: 18px 34px;
  gap: 8px;
  align-items: center;
}

.cloud-file-checkbox {
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #ffffff;
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.cloud-explorer-row.active .cloud-file-checkbox {
  border-color: var(--blue);
  background: var(--blue);
}

.cloud-explorer-row strong,
.cloud-explorer-row small {
  display: block;
}

.cloud-explorer-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cloud-explorer-row small {
  margin-top: 3px;
  color: var(--muted);
  font-weight: 700;
}

.cloud-explorer-row em {
  padding: 4px 7px;
  border-radius: 6px;
  background: #ffffff;
  color: #64748b;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
}

.material-browser {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 14px;
  min-height: 440px;
  padding: 14px;
}

.material-browser-sidebar {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 10px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #ffffff;
}

.material-browser-sidebar button {
  min-height: 38px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #334155;
  text-align: left;
  font-size: 14px;
  font-weight: 900;
}

.material-browser-sidebar button.active,
.material-browser-sidebar button:hover {
  background: #2563eb;
  color: #ffffff;
}

.material-browser-main {
  min-width: 0;
  padding: 10px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #ffffff;
}

.material-browser-toolbar,
.material-grade-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.material-type-tabs,
.material-grade-row {
  justify-content: flex-start;
}

.material-type-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.material-type-tabs button,
.material-grade-row button,
.material-search-button {
  min-height: 34px;
  padding: 7px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #f8fafc;
  color: #475569;
  font-size: 13px;
  font-weight: 900;
}

.material-type-tabs button.active,
.material-grade-row button.active {
  border-color: #bfdbfe;
  background: #e0f2fe;
  color: #0369a1;
}

.material-search-button {
  width: 38px;
  padding: 0;
  background: #ffffff;
  color: #0f172a;
  font-size: 20px;
  line-height: 1;
}

.material-grade-row {
  margin-top: 10px;
}

.material-series-title {
  display: flex;
  gap: 8px;
  align-items: baseline;
  justify-content: space-between;
  margin: 14px 0 10px;
  color: #0f172a;
}

.material-series-title strong {
  font-size: 17px;
}

.material-series-title span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.material-book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}

.material-book-card {
  display: grid;
  gap: 8px;
  min-height: 188px;
  padding: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a;
  text-align: center;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.material-book-card.active,
.material-book-card:hover {
  border-color: var(--blue);
  background: #eff6ff;
}

.material-book-cover {
  display: grid;
  align-content: space-between;
  min-height: 112px;
  padding: 10px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: linear-gradient(160deg, #e0f2fe 0%, #ffffff 46%, #fee2e2 100%);
}

.material-book-cover span {
  color: #0f172a;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.25;
}

.material-book-cover b {
  justify-self: end;
  width: fit-content;
  padding: 4px 7px;
  border-radius: 6px;
  background: #2563eb;
  color: #ffffff;
  font-size: 12px;
}

.material-book-card strong {
  min-height: 34px;
  color: #0f172a;
  font-size: 14px;
  line-height: 1.2;
}

.material-book-card small {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.material-directory-browser {
  grid-template-columns: minmax(0, 1fr);
  min-height: 440px;
}

.material-directory-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
}

.material-directory-head strong,
.material-directory-head span {
  display: block;
}

.material-directory-head strong {
  color: #0f172a;
  font-size: 18px;
}

.material-directory-head span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.material-directory-count {
  min-width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1 !important;
}

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

.material-folder-group {
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #ffffff;
  overflow: hidden;
}

.material-folder-title {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid #e2e8f0;
  background: #eff6ff;
}

.material-folder-title > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: #2563eb;
  color: #ffffff;
  font-size: 16px;
}

.material-folder-title strong,
.material-folder-title small {
  display: block;
}

.material-folder-title strong {
  color: #0f172a;
  font-size: 16px;
}

.material-folder-title small {
  margin-top: 3px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.material-folder-title b {
  color: #1d4ed8;
  font-size: 12px;
  white-space: nowrap;
}

.material-level-toggle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 0;
  border-bottom: 1px solid #e2e8f0;
  border-radius: 0;
  background: #f8fafc;
  color: #0f172a;
  text-align: left;
}

.material-level-toggle:hover {
  background: #f1f5f9;
}

.material-level-toggle span {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 6px;
  background: #dbeafe;
  color: #1d4ed8;
  font-weight: 900;
}

.material-level-toggle strong {
  font-size: 15px;
}

.material-level-toggle small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.material-file-list {
  display: grid;
  gap: 8px;
  padding: 10px;
}

.material-file-list.collapsed {
  display: none;
}

.material-file-list button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: 8px 10px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a;
  text-align: left;
}

.material-file-list button.active,
.material-file-list button:hover {
  border-color: var(--blue);
  background: #eff6ff;
}

.material-file-list button > span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: #f1f5f9;
  color: #475569;
  font-size: 12px;
  font-weight: 900;
}

.material-file-list strong,
.material-file-list small {
  display: block;
}

.material-file-list strong {
  color: #0f172a;
  font-size: 14px;
}

.material-file-list small {
  margin-top: 3px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.material-file-list em {
  padding: 4px 7px;
  border-radius: 6px;
  background: #2563eb;
  color: #ffffff;
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
}

.empty-directory {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.material-meta-panel div {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.035);
}

.material-meta-panel span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.material-meta-panel strong {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
}

.cloud-file-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.cloud-primary-actions {
  grid-template-columns: 1fr;
}

.cloud-file-actions button {
  min-height: 36px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #ffffff;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.cloud-file-actions button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.cloud-file-actions .primary-action {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.cloud-file-actions .primary-action:hover {
  background: var(--blue-strong);
  color: #ffffff;
}

.cloud-file-actions .danger-action {
  border-color: #fecaca;
  background: #fff7f7;
  color: #b91c1c;
}

.cloud-file-actions .danger-action:hover {
  border-color: #ef4444;
  color: #991b1b;
}

.photo-upload-link {
  display: block;
  padding: 12px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #ffffff;
  color: #1d4ed8;
  font-weight: 800;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.photo-upload-inline-panel {
  display: grid;
  gap: 12px;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #f8fbff;
  color: #0f172a;
}

.photo-upload-inline-panel[hidden] {
  display: none;
}

.photo-upload-inline-panel.success {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.photo-upload-inline-panel h3,
.photo-upload-inline-panel p {
  margin: 0;
}

.photo-upload-inline-panel p {
  color: #527365;
  line-height: 1.6;
}

.photo-upload-feedback {
  gap: 12px;
}

.photo-upload-feedback-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 900;
  text-align: left;
}

.photo-upload-feedback-header span:first-child {
  color: #14532d;
  font-size: 18px;
}

.photo-collapse-state {
  flex: 0 0 auto;
  padding: 4px 10px;
  border-radius: 999px;
  background: #dcfce7;
  color: #166534;
  font-size: 13px;
  font-weight: 900;
}

.photo-collapse-hint {
  margin: 0;
  color: #527365;
  font-size: 14px;
}

.photo-upload-collapsible {
  display: grid;
  gap: 12px;
}

.photo-upload-feedback.is-collapsed .photo-upload-collapsible {
  display: none;
}

.photo-upload-feedback.is-collapsed .photo-collapse-state {
  background: #e2e8f0;
  color: #475569;
}

.photo-qr-panel {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 16px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #ffffff;
}

.photo-qr-frame {
  display: grid;
  place-items: center;
  width: 244px;
  min-height: 244px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fafc;
}

.photo-qr-frame img {
  display: block;
  width: 220px;
  height: 220px;
}

.photo-qr-copy {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.photo-qr-copy strong {
  color: #0f172a;
  font-size: 18px;
}

.photo-qr-copy span {
  color: var(--muted);
  line-height: 1.55;
}

.photo-session-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 720px) {
  .photo-qr-panel {
    grid-template-columns: 1fr;
  }

  .photo-qr-frame {
    width: 100%;
  }
}

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

.teacher-material-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.generation-option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.generation-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  min-height: 116px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.generation-option:has(input:checked) {
  border-color: var(--blue);
  background: #eff6ff;
}

.generation-option input {
  margin-top: 4px;
}

.generation-option strong,
.generation-option small {
  display: block;
}

.generation-option strong {
  margin-bottom: 8px;
  color: var(--text);
}

.generation-option small {
  color: var(--muted);
  line-height: 1.5;
}

.teacher-draft-list {
  display: grid;
  gap: 16px;
  margin-top: 14px;
}

.teacher-draft-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.draft-card-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.draft-card-head h3,
.draft-card-head p {
  margin: 0;
}

.draft-card-head p {
  color: var(--muted);
  line-height: 1.5;
}

.editable-question-list article {
  outline: none;
}

.editable-question-list article:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.teacher-preview-shell {
  display: grid;
  gap: 12px;
}

.preview-edit-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px dashed #93c5fd;
  border-radius: 8px;
  background: #f8fbff;
}

.preview-edit-panel[hidden] {
  display: none;
}

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

.preview-edit-heading strong {
  display: block;
  color: var(--text);
}

.preview-edit-heading p {
  margin: 4px 0 0;
  color: var(--muted);
}

.preview-edit-step {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.preview-edit-step summary {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 900;
}

.preview-edit-step summary span {
  padding: 5px 8px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-size: 12px;
}

.preview-edit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--line);
}

.preview-edit-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.preview-edit-grid label.wide {
  grid-column: 1 / -1;
}

.preview-edit-grid input,
.preview-edit-grid textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  background: #fff;
}

.preview-edit-grid textarea {
  min-height: 72px;
  resize: vertical;
}

.preview-edit-grid small {
  color: var(--muted);
  font-weight: 600;
}

.teacher-preview-heading,
.preview-activity-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.teacher-preview-heading {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.teacher-preview-heading strong,
.preview-activity-head strong {
  display: block;
  color: var(--text);
}

.teacher-preview-heading p,
.preview-activity-head p {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.teacher-preview-heading > span,
.preview-activity-head > span {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-size: 12px;
  font-weight: 900;
}

.teacher-preview-activity {
  display: grid;
  gap: 12px;
}

.preview-match-board {
  display: grid;
  gap: 12px;
}

.preview-picture-grid,
.preview-word-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.preview-word-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.preview-word-grid button,
.preview-picture-card,
.preview-word-chip,
.preview-choice-list button,
.preview-line-list div,
.preview-dialogue-box div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.preview-word-grid button,
.preview-picture-card,
.preview-word-chip,
.preview-choice-list button {
  padding: 12px;
  text-align: left;
  cursor: pointer;
}

.preview-word-grid button,
.preview-picture-card {
  display: grid;
  gap: 8px;
  min-height: 156px;
}

.preview-picture-card.selected {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.preview-picture-card.matched,
.preview-word-chip.matched {
  border-color: #22c55e;
  background: #ecfdf5;
  color: #166534;
}

.preview-picture-card.mismatch,
.preview-word-chip.mismatch {
  border-color: #f97316;
  background: #fff7ed;
}

.preview-word-chip {
  min-width: 164px;
  min-height: 64px;
  padding: 16px 20px;
  text-align: center;
  font-size: 18px;
  line-height: 1.2;
}

.preview-word-chip strong {
  display: block;
  text-align: center;
  font-size: 18px;
  line-height: 1.2;
}

.preview-word-grid img,
.preview-picture-card img,
.preview-image-placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
  background: #eef4ff;
}

.preview-image-placeholder {
  display: grid;
  place-items: center;
  padding: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.preview-choice-list button.selected,
.preview-choice-list button:focus {
  border-color: var(--blue);
  background: #eff6ff;
  color: #1d4ed8;
}

.preview-word-grid span,
.preview-line-list span,
.preview-dialogue-box span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.preview-listening-box,
.preview-line-list,
.preview-dialogue-box {
  display: grid;
  gap: 10px;
}

.preview-dialogue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preview-choice-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.preview-choice-list button.selected {
  border-color: #2563eb;
  background: #eff6ff;
}

.preview-choice-list button.correct {
  border-color: #22c55e;
  background: #ecfdf5;
}

.preview-choice-list button.incorrect {
  border-color: #f59e0b;
  background: #fffbeb;
}

.preview-line-list div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
}

.preview-line-list span {
  grid-column: 1 / -1;
}

.preview-dialogue-box div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 12px;
}

.preview-dialogue-box div span {
  grid-column: 1 / -1;
}

.preview-dialogue-box .preview-dialogue-topics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 0;
}

.preview-dialogue-topics button {
  display: grid;
  gap: 4px;
  min-height: 74px;
  padding: 10px 12px;
  border: 1px solid #dbe4f0;
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a;
  text-align: left;
}

.preview-dialogue-topics button.active {
  border-color: #2563eb;
  background: #eff6ff;
}

.preview-dialogue-topics button span {
  font-size: 12px;
  font-weight: 800;
  color: #64748b;
}

.preview-dialogue-topics button strong {
  font-size: 14px;
  line-height: 1.35;
}

.preview-dialogue-box .ai {
  background: #f8fafc;
}

.preview-dialogue-box .student {
  margin-left: 8%;
  border-color: #bfdbfe;
  background: #eff6ff;
}

.preview-live-feedback:empty {
  display: none;
}

.preview-grading-panel {
  padding: 10px 12px;
  border: 1px dashed #bfdbfe;
  border-radius: 8px;
  background: #f8fbff;
}

.preview-grading-panel summary {
  cursor: pointer;
  color: #075985;
  font-weight: 900;
}

.preview-grading-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}

.preview-grading-panel span {
  display: inline-block;
  margin: 4px 6px 0 0;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-weight: 800;
}

.draft-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.teacher-draft-card:has(.teacher-preview-shell) [data-teacher-draft-action="download-pdf"] {
  display: none;
}

.teacher-draft-card:has(.teacher-preview-shell):not(.preview-editing) [data-teacher-draft-action="save"] {
  display: none;
}

.draft-feedback {
  margin-top: 12px;
}

.teacher-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.teacher-chip-row span {
  padding: 8px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 900;
}

pre {
  max-width: 100%;
  overflow: auto;
}

.admin-import-body {
  margin: 0;
  min-height: 100vh;
  background: #f6f8fb;
  color: #152033;
}

.admin-import-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-import-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px;
  border-right: 1px solid #dce4ef;
  background: #ffffff;
}

.admin-import-brand {
  margin-bottom: 22px;
}

.admin-import-nav {
  display: grid;
  gap: 8px;
}

.admin-import-nav a {
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #334155;
  font-weight: 900;
  text-decoration: none;
}

.admin-import-nav a.active,
.admin-import-nav a:hover {
  border-color: #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
}

.admin-import-note {
  display: grid;
  gap: 8px;
  margin-top: 22px;
  padding: 14px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
}

.admin-import-note span {
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 900;
}

.admin-import-note p {
  margin: 0;
  color: #475569;
  line-height: 1.6;
}

.admin-import-workspace {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 24px;
}

.admin-import-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border: 1px solid #dce4ef;
  border-radius: 8px;
  background: #ffffff;
}

.admin-import-topbar h1 {
  margin: 4px 0 8px;
  font-size: 30px;
  letter-spacing: 0;
}

.admin-import-topbar p {
  max-width: 820px;
  margin: 0;
  color: #64748b;
  line-height: 1.6;
}

.admin-import-panel {
  border-radius: 8px;
}

.admin-import-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.admin-import-form-grid label {
  display: grid;
  gap: 7px;
}

.admin-import-form-grid span {
  color: #64748b;
  font-size: 12px;
  font-weight: 900;
}

.admin-import-form-grid input {
  width: 100%;
  min-height: 42px;
  padding: 0 11px;
  border: 1px solid #dce4ef;
  border-radius: 8px;
  background: #ffffff;
  color: #152033;
  font: inherit;
  font-weight: 800;
}

.admin-inbox-drop {
  display: grid;
  gap: 8px;
  place-items: center;
  min-height: 150px;
  padding: 20px;
  border: 1px dashed #93c5fd;
  border-radius: 8px;
  background: #f8fbff;
  text-align: center;
  cursor: pointer;
}

.admin-inbox-drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.admin-inbox-drop strong {
  color: #1d4ed8;
  font-size: 20px;
}

.admin-inbox-drop.dragging {
  border-color: #2563eb;
  background: #eff6ff;
}

.admin-inbox-drop span {
  color: #64748b;
}

.admin-import-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.admin-inbox-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.admin-inbox-list article,
.admin-review-list article {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid #dce4ef;
  border-radius: 8px;
  background: #ffffff;
}

.admin-inbox-list strong {
  overflow-wrap: anywhere;
}

.admin-inbox-list span,
.admin-review-list p {
  margin: 0;
  color: #64748b;
  line-height: 1.5;
}

.admin-empty-state {
  margin: 0;
  padding: 14px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  color: #64748b;
  background: #f8fafc;
}

.admin-import-results {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.8fr);
  gap: 16px;
}

.admin-package-tree,
.admin-review-list {
  display: grid;
  gap: 12px;
}

.admin-package-node {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid #dce4ef;
  border-radius: 8px;
  background: #ffffff;
}

.admin-package-node header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-package-node header strong {
  overflow-wrap: anywhere;
}

.admin-package-node header span {
  padding: 5px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.admin-package-role {
  display: grid;
  gap: 6px;
  padding: 10px;
  border-left: 3px solid #bfdbfe;
  background: #f8fbff;
}

.admin-package-role > span {
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 900;
}

.admin-package-role p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  color: #334155;
}

.admin-package-role b {
  overflow-wrap: anywhere;
}

.admin-package-role em {
  padding: 3px 7px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
}

.admin-review-list article.warning {
  border-color: #fde68a;
  background: #fffbeb;
}

.admin-review-list article.info {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.admin-publish-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.admin-publish-grid article {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid #dce4ef;
  border-radius: 8px;
  background: #f8fafc;
}

.admin-publish-grid span {
  color: #64748b;
  font-size: 12px;
  font-weight: 900;
}

.admin-publish-grid strong {
  color: #0f172a;
  font-size: 18px;
}

.admin-publish-grid p {
  margin: 0;
  color: #64748b;
  line-height: 1.5;
}

.admin-draft-json {
  margin-top: 12px;
  padding: 14px;
  border: 1px solid #dce4ef;
  border-radius: 8px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 12px;
}

@media (max-width: 1100px) {
  .admin-import-shell,
  .admin-import-results,
  .admin-import-form-grid,
  .admin-inbox-list,
  .admin-publish-grid {
    grid-template-columns: 1fr;
  }

  .admin-import-sidebar {
    position: static;
    height: auto;
  }

  .admin-import-topbar {
    display: grid;
  }
}

@media (max-width: 1100px) {
  .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dashboard-grid,
  .band-grid,
  .ability-radar-layout,
  .ability-notes,
  .skill-task-grid,
  .timeline-grid,
  .recommendation-grid,
  .engagement-grid,
  .badge-grid,
  .badge-medal-grid,
  .effort-strip,
  .teacher-insight-grid,
  .generation-option-grid,
  .two-column,
    .score-highlight,
    .effort-highlight,
    .report-grid,
  .mini-score-grid,
  .teacher-import-steps,
  .teacher-workflow-steps,
  .current-material-summary,
  .teacher-workbench,
  .teacher-source-layout,
  .teacher-material-grid,
  .analysis-meta-grid,
  .analysis-structured-grid,
  .analysis-activity-flow {
    grid-template-columns: 1fr;
  }

  .analysis-section.wide {
    grid-column: auto;
  }

  .personal-selected-actions {
    grid-template-columns: 1fr 1fr;
  }

  .personal-selected-actions > div {
    grid-column: 1 / -1;
  }

  .teacher-module-menu {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .teacher-module-menu button {
    text-align: center;
  }

  .sidebar .teacher-sidebar-menu {
    grid-template-columns: 1fr;
  }

  .sidebar .teacher-sidebar-menu button {
    text-align: left;
  }

  .cloud-file-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .upload-entry-grid {
    grid-template-columns: 1fr;
  }

  .material-browser {
    grid-template-columns: 1fr;
  }

  .cloud-explorer-main {
    grid-template-columns: 1fr;
  }

  .material-browser-sidebar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .material-browser-sidebar button {
    text-align: center;
  }
}

@media (max-width: 820px) {
  .app-shell,
  .app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .sidebar-collapsed .sidebar {
    padding: 18px;
  }

  .sidebar-collapsed .brand div,
  .sidebar-collapsed .teacher-sidebar-section,
  .sidebar-collapsed .tenant-card span,
  .sidebar-collapsed .tenant-card small,
  .sidebar-collapsed .teacher-status-list {
    display: block;
  }

  .sidebar-collapsed .nav-item,
  .sidebar-collapsed .teacher-sidebar-menu button {
    justify-content: flex-start;
    width: auto;
    min-height: 38px;
    padding: 9px 12px;
    font-size: 14px;
  }

  .sidebar-collapsed .nav-item::before,
  .sidebar-collapsed .teacher-sidebar-menu button::before,
  .sidebar-collapsed .tenant-card strong::before {
    content: none;
  }

  .sidebar-collapsed .tenant-card strong {
    display: block;
    width: auto;
    height: auto;
    margin: 8px 0 4px;
    background: transparent;
    font-size: inherit;
  }

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

  .workspace,
  .entry-shell {
    padding: 18px;
  }

  .entry-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-header,
  .list-item {
    align-items: stretch;
    flex-direction: column;
  }

  .teacher-analyze-control {
    justify-items: stretch;
    min-width: 0;
    width: 100%;
  }

  .material-browser {
    padding: 10px;
  }

  .material-browser-sidebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .material-series-title {
    display: grid;
  }

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

  .teacher-workflow-steps {
    grid-template-columns: 1fr;
  }

  .current-material-summary {
    grid-template-columns: 1fr;
  }

  .analysis-next-actions button {
    width: 100%;
  }
}