.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.hero-card {
  padding: 18px;
}

.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 18px;
}

.hero-progress {
  display: grid;
  place-items: center;
}

.ring {
  --p: 65;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle closest-side, white 69%, transparent 70% 100%),
    conic-gradient(var(--primary) calc(var(--p) * 1%), #e7edf6 0);
}

.ring strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.ring span {
  color: var(--muted);
  font-size: 12px;
}

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

.quick-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.quick-chip {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  font-weight: 800;
  text-align: left;
}

.quick-chip:hover {
  border-color: var(--primary-mid);
  background: #fbfdff;
}

.quick-chip span {
  color: var(--primary);
}

.panel {
  padding: 16px;
  margin-bottom: 14px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.panel-header p {
  margin: 0;
  font-size: 12px;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  background: #eef2f7;
  border-radius: 8px;
}

.segment {
  height: 32px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
}

.segment.is-active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  background: #fff;
}

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

th {
  color: #46536a;
  background: #f3f6fb;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: 0;
}

tr.click-row:hover {
  background: #fbfdff;
}

.student-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  flex: 0 0 auto;
}

.avatar.blue {
  background: #2563eb;
}

.avatar.green {
  background: #16a34a;
}

.avatar.amber {
  background: #f59e0b;
}

.avatar.red {
  background: #ef4444;
}

.avatar.cyan {
  background: #06b6d4;
}

.avatar.violet {
  background: #7c3aed;
}

.small-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 120px;
}

.small-progress .progress-track {
  width: 76px;
  height: 6px;
}

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

.tag.attention {
  color: var(--red);
  background: var(--red-weak);
}

.tag.praise {
  color: var(--green);
  background: var(--green-weak);
}

.tag.info {
  color: var(--primary);
  background: var(--primary-weak);
}

.tag.neutral {
  color: var(--muted);
  background: #eef2f7;
}

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

.action-btn {
  min-height: 28px;
  padding: 0 8px;
  color: var(--primary);
  font-weight: 700;
  background: #fff;
  font-size: 12px;
}

.action-btn.warn {
  color: var(--amber);
  border-color: #f7d99d;
}

.action-btn.good {
  color: var(--green);
  border-color: #bfe7cc;
}

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

.task-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.task-card-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.task-type {
  color: var(--primary);
  background: var(--primary-weak);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 800;
}

.task-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.mini-metric {
  padding: 8px;
  border-radius: 8px;
  background: var(--surface-soft);
}

.mini-metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.mini-metric strong {
  font-size: 16px;
}

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

.stack-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stack-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.stack-item.active {
  border-color: var(--primary-mid);
  background: #fbfdff;
}

.item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.item-title {
  font-weight: 800;
}

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

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

.mistake-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.mistake-question {
  font-weight: 800;
  line-height: 1.55;
}

.review-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 12px;
}

.donut-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

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

.distribution-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.timeline-time {
  color: var(--muted);
  font-size: 12px;
}

.timeline-title {
  font-weight: 800;
}

.popover {
  position: fixed;
  z-index: 50;
  /* top/left 由 JS 动态设置，跟随胶囊位置 */
}

.popover-card {
  width: min(420px, calc(100vw - 56px));
  max-height: calc(100vh - 100px);
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 8px 40px rgba(16, 18, 25, 0.14);
  padding: 4px;
}

.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}

.popover-header strong {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
}

.popover-list {
  display: grid;
  gap: 2px;
  padding: 4px 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(15, 23, 42, 0.42);
  display: flex;
  justify-content: flex-end;
}

.drawer {
  width: min(520px, 100vw);
  height: 100vh;
  overflow: auto;
  background: var(--bg);
  box-shadow: -20px 0 50px rgba(15, 23, 42, 0.22);
}

.drawer-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 16px 24px;
  background: #f6f8ff;
  border-bottom: 0;
}

.drawer-header h2 {
  margin: 0;
  color: #1f2433;
  font-size: 20px;
  font-weight: 600;
}

.drawer-content {
  padding: 0 24px 24px;
}

.drawer-section {
  padding: 18px 20px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.drawer-section h3 {
  margin: 0 0 12px;
  color: #1f2433;
  font-size: 16px;
  font-weight: 600;
}

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

.student-summary-card {
  background: #eef3ff;
  border-color: #dfe8ff;
}

.student-detail-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-detail-main {
  min-width: 0;
  flex: 1;
}

.teacher-student-metrics {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(31, 36, 51, 0.08);
}

.teacher-student-metrics .metric {
  background: transparent;
  border-radius: 0;
  text-align: left;
}

.teacher-student-metrics .metric:not(:last-child) {
  border-right: 1px solid rgba(31, 36, 51, 0.08);
}

.teacher-student-metrics .value {
  color: #1f2433;
  font-size: 22px;
  font-weight: 800;
}

.teacher-student-metrics .label {
  margin-top: 2px;
  color: #777d98;
  font-size: 12px;
}

.learning-record-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.learning-record-card {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
}

.learning-record-index {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: #f2f4f9;
  color: #646b8a;
  font-size: 12px;
  font-weight: 800;
}

.learning-record-body {
  min-height: 74px;
  border: 1px solid #e1e5f2;
  border-radius: 12px;
  background: #f7f9ff;
  padding: 12px 14px;
}

.learning-record-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #1f2433;
  font-size: 14px;
  font-weight: 600;
}

.learning-record-title span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.learning-record-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 8px;
  color: #777d98;
  font-size: 12px;
}

.record-detail-link {
  margin-left: auto;
  color: #4a4ffd;
}

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

.drawer-mini-card {
  min-height: 62px;
  border: 1px solid #e1e5f2;
  border-radius: 10px;
  background: #fff;
}

.drawer-mini-card strong {
  display: block;
  color: #1f2433;
  font-size: 20px;
}

.drawer-mini-card span {
  color: #777d98;
  font-size: 12px;
}

.evaluate-box textarea {
  width: 100%;
  height: 112px;
  resize: none;
  border: 1px solid #dfe5f2;
  border-radius: 10px;
  color: #4b536b;
  padding: 10px 12px;
  outline: none;
}

.evaluate-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  color: #9aa1b8;
  font-size: 12px;
}

.textarea-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 100;
  transform: translateX(-50%) translateY(16px);
  opacity: 0;
  pointer-events: none;
  min-width: 260px;
  max-width: calc(100vw - 40px);
  padding: 12px 14px;
  border-radius: 8px;
  background: #122033;
  color: #fff;
  box-shadow: var(--shadow);
  text-align: center;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.highlight {
  outline: 3px solid rgba(37, 99, 235, 0.18);
}

.teacher-detail {
  color: #202335;
}

.teacher-detail.is-finished #learningSection,
.teacher-detail.is-finished #taskSection,
.teacher-detail:not(.is-finished) #reviewSection {
  display: none;
}

.teacher-block {
  margin-bottom: 20px;
}

.teacher-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.teacher-section-title h2 {
  margin: 0;
  font-size: 18px;
}

.teacher-section-title.with-actions {
  justify-content: space-between;
}

.teacher-section-title.with-actions > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.teacher-section-icon {
  color: #4d5875;
  font-size: 18px;
  font-weight: 900;
}

.teacher-section-sub {
  color: #7a86a6;
}

.teacher-live-meta,
.teacher-report-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: 14px;
  margin-bottom: 20px;
}

.teacher-live-card,
.teacher-report-card,
.teacher-goal-list {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}

.goal-pill-large {
  width: fit-content;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  padding: 0 12px;
  border: 1px solid var(--primary-mid);
  border-radius: 8px;
  color: var(--primary);
  background: var(--primary-weak);
  font-size: 16px;
  font-weight: 800;
}

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

.goal-line {
  display: grid;
  gap: 8px;
}

.goal-line-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  color: #5a647f;
}

.goal-index {
  color: var(--primary);
  border: 1px solid #aebfff;
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 12px;
  font-weight: 800;
}

.teacher-tab-shell {
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.teacher-tabs {
  height: 52px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  background: #eef4ff;
}

.teacher-tab {
  position: relative;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #6d7895;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 900;
}

.teacher-tab.is-active {
  background: #fff;
  color: #4d5875;
  border-radius: 8px 8px 0 0;
}

.tab-line {
  width: 4px;
  height: 18px;
  border-radius: 999px;
}

.tab-line.realtime {
  background: #48db4d;
}

.tab-line.attention {
  background: #ff9b2f;
}

.tab-line.praise {
  background: #6d72ff;
}

.tab-extra {
  color: #8995b2;
  font-size: 13px;
  font-weight: 700;
}

.tab-count {
  min-width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #ff5757;
  font-size: 13px;
}

.teacher-tab-content {
  padding: 16px;
  background: #fff;
  border-radius: 0 0 10px 10px;
}

.teacher-table-wrap {
  overflow: auto;
}

.teacher-status-table {
  min-width: 1180px;
  border-collapse: collapse;
}

.teacher-status-table th {
  height: 48px;
  background: #f1f4fb;
  color: #4e5874;
  font-size: 13px;
}

.teacher-status-table td {
  height: 64px;
  background: #fff;
  font-size: 14px;
}

.teacher-status-table tr.is-attention td,
.teacher-status-table tr:nth-child(-n + 2) td {
  background: #fffaf3;
}

.teacher-signal-table {
  display: grid;
  gap: 0;
}

.signal-head,
.signal-row {
  display: grid;
  grid-template-columns: 28% minmax(0, 1fr) 260px;
  gap: 18px;
  align-items: center;
}

.signal-head {
  min-height: 46px;
  padding: 0 20px;
  color: #4e5874;
  background: #fff4e5;
  font-size: 14px;
  font-weight: 900;
}

.teacher-tab-content .teacher-signal-table .signal-row {
  min-height: 86px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}

.signal-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.signal-tags p {
  flex-basis: 100%;
  margin: 2px 0 0;
  color: #7a86a6;
  font-size: 13px;
}

.teacher-pill {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 8px;
  font-weight: 800;
}

.teacher-pill.orange {
  color: var(--amber);
  background: var(--amber-weak);
}

.teacher-pill.green {
  color: #16a34a;
  background: #e8f9e6;
}

.student-single-surface {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
}

.teacher-student-card,
.teacher-student-metrics {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

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

.teacher-student-metrics span {
  color: #7a86a6;
}

.teacher-student-metrics strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.teacher-task-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fff;
}

.interaction-surface {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(340px, 1fr);
  gap: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.course-preview {
  min-height: 360px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #f7f9ff;
}

.course-preview-label {
  margin-bottom: 12px;
  color: #7a86a6;
  font-size: 13px;
  font-weight: 800;
}

.course-preview-panel {
  min-height: 302px;
  padding: 22px;
  border: 1px solid #dfe6f5;
  border-radius: 10px;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.course-preview-kicker {
  width: fit-content;
  margin-bottom: 12px;
  padding: 3px 8px;
  border-radius: 8px;
  color: var(--primary);
  background: var(--primary-weak);
  font-size: 12px;
  font-weight: 800;
}

.course-preview-panel h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.course-preview-panel p {
  max-width: 520px;
  color: #6f7c96;
}

.course-preview-lines {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.course-preview-lines span {
  height: 10px;
  border-radius: 999px;
  background: #e8eef8;
}

.course-preview-lines span:nth-child(1) {
  width: 88%;
}

.course-preview-lines span:nth-child(2) {
  width: 72%;
}

.course-preview-lines span:nth-child(3) {
  width: 54%;
}

.interaction-feed {
  padding: 16px;
}

.feed-tabs {
  display: grid;
  grid-template-columns: auto auto minmax(120px, 1fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.feed-tab {
  border: 0;
  background: transparent;
  color: #97a2bf;
  font-size: 15px;
  font-weight: 900;
}

.feed-tab.active {
  color: var(--primary);
  border-bottom: 3px solid var(--primary);
}

.feed-select {
  justify-self: end;
  max-width: 150px;
}

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

.comment-feed {
  margin-top: 12px;
}

.teacher-message-card {
  position: relative;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.teacher-message-card.active {
  border-color: #aebfff;
  box-shadow: 0 0 0 2px rgba(88, 120, 255, 0.08);
}

.message-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.message-top span,
.message-source {
  color: #7a86a6;
  font-size: 13px;
}

.message-link {
  margin-top: 10px;
  border: 0;
  background: transparent;
  color: var(--primary);
  font-weight: 900;
}

.teacher-mistake-list {
  display: grid;
  gap: 14px;
}

.teacher-mistake-card {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.teacher-mistake-card .mistake-status {
  position: absolute;
  top: 0;
  right: 0;
  padding: 5px 10px;
  border-radius: 0 10px 0 8px;
  color: #5b68ff;
  background: #eef2ff;
  font-weight: 800;
}

.teacher-mistake-card .mistake-status.handled {
  color: var(--muted);
  background: #eef2f7;
}

.mistake-tags,
.mistake-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.mistake-foot {
  color: #4e5874;
}

.mistake-foot strong,
.red-text {
  color: var(--red);
}

.green-text {
  color: var(--green);
}

.teacher-report-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.teacher-report-head h2 {
  margin: 0;
  font-size: 24px;
}

.teacher-report-head p,
.report-total {
  color: #7a86a6;
  font-size: 15px;
}

.report-total strong {
  font-size: 22px;
  color: #4e5874;
}

.teacher-report-summary {
  grid-template-columns: 0.9fr 1.9fr;
}

.teacher-report-card {
  min-height: 220px;
}

.teacher-report-card h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.teacher-report-card h3 span {
  color: #7a86a6;
  font-weight: 700;
}

.teacher-donut-row {
  grid-template-columns: 180px minmax(0, 1fr);
}

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

.bucket {
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #202335;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 900;
}

.bucket.green {
  border-left: 5px solid #45d84a;
}

.bucket.blue {
  border-left: 5px solid #2388ff;
}

.bucket.red {
  color: var(--red);
  border-left: 5px solid #e4e8f2;
}

.bucket.amber {
  border-left: 5px solid #ff941a;
}

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

.care-column {
  padding: 18px;
  border-radius: 14px;
  background: #fff;
}

.care-column-head,
.care-person {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.care-column-head h3 {
  font-size: 20px;
}

.link-button {
  border: 0;
  background: transparent;
  color: #7a86a6;
  font-weight: 800;
}

.care-person {
  width: 100%;
  min-height: 78px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  text-align: left;
}

.care-person > div {
  flex: 1;
}

.care-person p {
  margin: 4px 0 0;
  color: #7a86a6;
}

.care-avatar.neutral {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #5b68ff;
  font-weight: 900;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 14px 18px;
  }

  .nav-group {
    flex-direction: row;
    align-items: center;
  }

  .nav-heading,
  .user-profile {
    display: none;
  }

  .detail-hero,
  .two-column,
  .review-grid,
  .teacher-live-meta,
  .teacher-report-summary,
  .interaction-surface,
  .teacher-care-summary,
  .student-single-surface {
    grid-template-columns: 1fr;
  }

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

  .task-grid,
  .mistake-list,
  .drawer-mini-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .main {
    padding: 16px;
  }

  .sidebar {
    overflow-x: auto;
  }

  .page-header,
  .detail-header,
  .panel-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .quick-nav,
  .hero-meta-grid,
  .teacher-tabs,
  .completion-buckets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .drawer {
    width: 100vw;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 22px;
  }

  .quick-nav,
  .hero-meta-grid,
  .task-metrics,
  .drawer-metrics,
  .drawer-mini-grid,
  .teacher-tabs,
  .completion-buckets,
  .teacher-student-metrics {
    grid-template-columns: 1fr;
  }

  .teacher-student-metrics .metric:not(:last-child) {
    border-right: 0;
    border-bottom: 1px solid rgba(31, 36, 51, 0.08);
  }

  .nav-item {
    white-space: nowrap;
  }

  .teacher-tab-content {
    padding: 16px;
  }

  .signal-head,
  .signal-row {
    grid-template-columns: 1fr;
  }
}