/* Teacher pages · shared with theory layout */

.lesson-card--static {
  cursor: default;
}

.lesson-card--static:hover {
  background: var(--color-bg-white, #FEFEFD);
  border-color: var(--color-border);
}

.teacher-step-n {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-chrome, var(--color-primary));
  background: color-mix(in srgb, var(--color-chrome, var(--color-primary)) 12%, white);
}

.teacher-page-body {
  padding: 0 0 72px;
}

.teacher-page-body > .container {
  max-width: 960px;
}

.teacher-page-body > .container.teacher-assign-container,
.theory-overview > .container.teacher-assign-container {
  max-width: 1180px;
}

/* Assign / check content shell */
.teacher-hub {
  max-width: 960px;
  margin: 0 auto;
  padding: 8px 20px 72px;
}

.teacher-hub-eyebrow {
  display: none; /* 改用 theory-hero，保留类名避免旧引用报错 */
}

.teacher-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.teacher-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-button, 14px);
  background: var(--color-primary);
  color: #fff !important;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
}

.teacher-btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff !important;
}

.teacher-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-button, 14px);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white, #fff);
  color: var(--color-text-primary) !important;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

/* 旧 hub 步骤样式保留兼容（hub 页已改用 lesson-card） */
.teacher-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

@media (max-width: 720px) {
  .teacher-steps {
    grid-template-columns: 1fr;
  }
}

.teacher-step {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 16px;
}

.teacher-step .n {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: color-mix(in srgb, var(--color-chrome, var(--color-primary)) 12%, white);
  color: var(--color-chrome, var(--color-primary));
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 10px;
}

.teacher-step h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.teacher-step p {
  font-size: 13px;
  color: var(--color-text-tertiary);
  line-height: 1.45;
}


/* Assign workspace — Layout A: wide · compose|share · accordion list */
.teacher-assign-shell {
  max-width: none;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.assign-compose-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 900px) {
  .assign-compose-grid {
    grid-template-columns: 1fr;
  }
}

.assign-lead {
  margin: -4px 0 12px;
  font-size: 13px;
  line-height: 1.5;
}

.assign-compose-panel,
.assign-share-panel,
.assign-list-panel {
  margin: 0;
}

.assign-share-empty {
  padding: 28px 8px;
  text-align: center;
}

.assign-preview-strip {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--color-bg-secondary, #f9f8f7);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.assign-preview-strip--ok {
  background: rgba(52, 168, 83, 0.12);
  color: #1e7a3a;
}

.assign-preview-strip .dot {
  color: var(--color-text-light, #9aa0a8);
  font-weight: 400;
}

.assign-preset-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.assign-preset-card {
  text-align: left;
  border: 1px solid var(--color-border, #e6e2dc);
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.assign-preset-card strong {
  font-size: 13px;
  color: var(--color-text-primary);
}

.assign-preset-card .muted {
  font-size: 11px;
  line-height: 1.35;
}

.assign-preset-card.is-on {
  border-color: var(--color-primary, #2f5d50);
  box-shadow: inset 0 0 0 1px var(--color-primary, #2f5d50);
  background: rgba(47, 93, 80, 0.06);
}

.assign-banner {
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.45;
  margin: 0 0 10px;
}

.assign-banner--ok {
  background: rgba(52, 168, 83, 0.12);
  color: #1e7a3a;
  font-weight: 600;
}

.assign-banner--policy {
  background: var(--color-bg-secondary, #f4f2ee);
  color: var(--color-text-primary);
}

.assign-steps {
  margin: 0 0 12px;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-text-primary);
}

.assign-faq-panel {
  margin-top: 16px;
}

.assign-faq-item {
  border: 1px solid var(--color-border, #e6e2dc);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: #fff;
}

.assign-faq-item summary {
  cursor: pointer;
  font-weight: 650;
  font-size: 14px;
}

.assign-faq-item p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.assign-latest-chip {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  color: #1e7a3a;
  background: rgba(52, 168, 83, 0.12);
  vertical-align: middle;
}

.assign-report-row.is-latest,
.reports-list-item.is-latest {
  border-color: rgba(52, 168, 83, 0.55);
}

.reports-list-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.reports-list-item .meta {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.assign-share-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
  margin-top: 4px;
}

@media (max-width: 560px) {
  .assign-share-meta {
    grid-template-columns: 1fr;
  }
}

.assign-acc-detail-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
}

@media (max-width: 720px) {
  .assign-acc-detail-grid {
    grid-template-columns: 1fr;
  }
}

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

.assign-list-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  margin-bottom: 10px;
}

.assign-list-toolbar .teacher-input {
  flex: 1 1 180px;
  min-width: 140px;
}

.assign-check-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  cursor: pointer;
}

.assign-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.assign-filter-chip {
  height: 30px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary, #f9f8f7);
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.assign-filter-chip.is-on {
  background: color-mix(in srgb, var(--color-primary) 12%, white);
  border-color: color-mix(in srgb, var(--color-primary) 35%, white);
  color: var(--color-primary);
}

.assign-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.assign-acc-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card, 16px);
  background: var(--color-bg-secondary, #f9f8f7);
  overflow: hidden;
}

.assign-acc-item.is-open {
  background: var(--color-bg-white, #fefefd);
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
}

.assign-acc-toggle {
  display: flex;
  width: 100%;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.assign-acc-toggle:active {
  transform: scale(0.995);
}

.assign-acc-main {
  min-width: 0;
  flex: 1;
}

.assign-acc-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.assign-acc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.assign-acc-sub {
  font-size: 12px;
  line-height: 1.4;
}

.assign-acc-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.assign-card-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.assign-acc-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text-tertiary);
  border-bottom: 2px solid var(--color-text-tertiary);
  transform: rotate(45deg);
  transition: transform 160ms ease-out;
  margin-top: 2px;
}

.assign-acc-item.is-open .assign-acc-chevron {
  transform: rotate(-135deg);
  margin-top: 6px;
}

.assign-acc-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--color-border-light, #edebea);
}

.assign-acc-actions {
  flex-wrap: wrap;
}

.assign-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  word-break: break-all;
  font-weight: 500 !important;
}

.teacher-btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-button, 14px);
  border: 1px solid color-mix(in srgb, var(--color-incorrect, #c43c3c) 35%, var(--color-border));
  background: color-mix(in srgb, var(--color-incorrect, #c43c3c) 8%, white);
  color: var(--color-incorrect, #c43c3c) !important;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

.teacher-btn-danger:hover {
  background: color-mix(in srgb, var(--color-incorrect, #c43c3c) 14%, white);
}

.assign-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-ok, #0a6b45) 12%, white);
  color: var(--color-ok, #0a6b45);
  font-size: 11px;
  font-weight: 700;
}

.assign-badge--warn {
  background: color-mix(in srgb, #c43c3c 12%, white);
  color: var(--color-incorrect, #c43c3c);
}

.assign-detail-empty-title,
.assign-empty-block .assign-detail-empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.assign-empty-block {
  padding: 20px 8px 8px;
  text-align: center;
}

.assign-empty-hint {
  margin: 8px 4px;
  font-size: 13px;
}

.assign-section-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  margin: 14px 0 8px;
}

.assign-reports {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.assign-report-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--color-border-light, #edebea);
  background: var(--color-bg-secondary, #f9f8f7);
  text-decoration: none !important;
  color: inherit;
  transition: background 140ms ease-out, border-color 140ms ease-out;
}

.assign-report-row:hover {
  background: var(--color-bg-white, #fff);
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
}

.assign-report-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.assign-report-main strong {
  font-size: 14px;
}

.assign-report-score {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
}

/* Legacy dual-pane / tabs unused */
.assign-view-tabs,
.assign-workspace {
  display: none !important;
}

.teacher-assign-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.teacher-panel {
  background: var(--color-bg-white, #FEFEFD);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card, 16px);
  padding: 18px;
}

.teacher-panel-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.teacher-field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  margin: 14px 0 8px;
}

.teacher-field-label:first-child {
  margin-top: 0;
}

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

.seg-btn {
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 8px;
}

.seg-btn.on {
  background: color-mix(in srgb, var(--color-primary) 12%, white);
  border-color: color-mix(in srgb, var(--color-primary) 35%, white);
  color: var(--color-primary);
}

.teacher-input {
  width: 100%;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 0 12px;
  font-size: 14px;
}

.teacher-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--color-bg-secondary);
  border-radius: 10px;
}

.teacher-toggle .t {
  font-size: 14px;
  font-weight: 650;
}

.teacher-toggle .s {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.challenge-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.challenge-fields.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.challenge-fields label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  display: block;
  margin-bottom: 6px;
}

.assign-link-box {
  background: var(--color-bg-secondary);
  border: 1px dashed color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  word-break: break-all;
  line-height: 1.4;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--color-text-secondary);
  margin: 10px 0 14px;
  min-height: 48px;
}

.assign-code-box {
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-bg-secondary, #f9f8f7));
  border: 1px solid color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
  border-radius: 14px;
  padding: 18px 16px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.28em;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--color-text-primary);
  margin: 4px 0 0;
  user-select: all;
}

.assign-qr-wrap {
  margin: 12px 0 4px;
  text-align: center;
}

.assign-qr {
  display: inline-block;
  width: 160px;
  height: 160px;
  border-radius: 12px;
  border: 1px solid var(--color-border-light, #e5e7eb);
  background: #fff;
}

/* legacy mine list (kept for any leftover markup) */
.assign-mine-head {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.assign-mine-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow: auto;
}

.assign-mine-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--color-border-light, #e5e7eb);
  background: var(--color-bg-secondary, #f8fafc);
  cursor: pointer;
  font: inherit;
}

.assign-mine-item:hover {
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
}

.assign-mine-item strong {
  letter-spacing: 0.12em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.teacher-faq {
  padding: 8px 4px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.teacher-faq details {
  border: 1px solid var(--color-border-light, #e5e7eb);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--color-bg-white, #fff);
}

.teacher-faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-primary);
}

.teacher-faq details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.assign-summary-kv {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 6px 10px;
  font-size: 13px;
  margin-bottom: 12px;
}

.assign-summary-kv .k {
  color: var(--color-text-tertiary);
}

.assign-summary-kv .v {
  font-weight: 600;
}

.assign-flash {
  margin-top: 10px;
  font-size: 13px;
  color: #0A6B45;
  font-weight: 600;
}

.teacher-login-gate {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* Check */
.teacher-check-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.check-mode-tabs {
  display: flex;
  gap: 6px;
  margin-top: 18px;
}

.check-mode-tab {
  height: 34px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.check-mode-tab.is-active {
  background: var(--color-primary);
  border-color: transparent;
  color: #fff;
}

.check-input-row {
  display: flex;
  gap: 8px;
  margin: 16px 0 20px;
}

.check-input-row input {
  flex: 1;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 0 12px;
  font-size: 13px;
}

.reports-list-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 16px;
}

.reports-list-head {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text-secondary);
}

.reports-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 8px;
  border: 0;
  border-top: 1px solid var(--color-border-light);
  background: transparent;
  cursor: pointer;
  font: inherit;
}

.reports-list-item:first-of-type {
  border-top: 0;
}

.reports-list-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

.reports-list-item .name {
  flex: 1;
  font-weight: 700;
  font-size: 14px;
}

.reports-list-item .meta {
  font-size: 12px;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.reports-list-item .pct {
  font-size: 14px;
  font-weight: 800;
  color: #0A6B45;
  min-width: 44px;
  text-align: right;
}

.reports-list-empty {
  font-size: 13px;
  color: var(--color-text-tertiary);
  padding: 8px 4px;
}

.report-badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.report-badge.ok {
  background: rgba(10, 107, 69, 0.12);
  color: #0A6B45;
}

.report-badge.bad {
  background: rgba(220, 38, 38, 0.12);
  color: #dc2626;
}

.report-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.report-signed {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin: 6px 0 16px;
}

.report-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 12px;
}

.report-pct {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #0A6B45;
}

.report-pct span {
  font-size: 18px;
  color: var(--color-text-tertiary);
  font-weight: 600;
}

.report-kv {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 6px 8px;
  font-size: 13px;
  margin-top: 12px;
}

.report-kv .k {
  color: var(--color-text-tertiary);
}

.report-kv .v {
  font-weight: 600;
}

.report-section-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.report-mistake {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 14px;
}

.report-mistake:last-child {
  border-bottom: none;
}

.report-mistake .n {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: rgba(255, 90, 94, 0.15);
  color: #c2410c;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.report-mistake .d {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.report-mistake-card {
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  background: var(--color-bg-secondary);
}

.report-mistake-head {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.report-mistake-head .n {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: rgba(255, 90, 94, 0.15);
  color: #c2410c;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.report-mistake-head .d {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.report-ans-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 650;
}

.report-ans-row .bad {
  color: #c2410c;
}

.report-ans-row .ok {
  color: #0A6B45;
}

.report-filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 0 0 14px;
}

.report-filter-tab {
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border, #e5e2df);
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary, #6e747f);
  cursor: pointer;
}

.report-filter-tab.is-active {
  background: var(--color-primary, #315eb4);
  border-color: transparent;
  color: #fff;
}

.report-result-pill {
  display: inline-flex;
  margin: 4px 0 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.report-result-pill.ok {
  background: rgba(10, 107, 69, 0.1);
  color: #0A6B45;
}

.report-result-pill.bad {
  background: rgba(194, 65, 12, 0.1);
  color: #c2410c;
}

.report-mistake-card.is-correct {
  border-color: rgba(10, 107, 69, 0.18);
}

.report-mistake-card.is-wrong {
  border-color: rgba(194, 65, 12, 0.16);
}

.report-mistake-head .n.ok {
  background: rgba(10, 107, 69, 0.12);
  color: #0A6B45;
}

.assign-draft-banner {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(49, 94, 180, 0.08);
  color: var(--color-primary, #315eb4);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.report-staff {
  width: 100%;
  box-sizing: border-box;
  min-height: 110px;
  max-height: 240px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--color-border-light);
  display: block;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 8px 10px;
  color: var(--color-text-tertiary);
  font-size: 12px;
  text-align: center;
}

.report-staff.is-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.report-staff > svg {
  display: block !important;
  margin: 0 auto !important;
  width: 100% !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: 220px !important;
  transform: none !important;
}

@media (max-width: 640px) {
  .report-staff {
    max-height: 200px;
    padding: 6px 8px;
  }

  .report-staff > svg {
    max-height: 180px !important;
  }

  .teacher-check-wrap {
    padding: 24px 14px 56px;
  }
}

.report-no-staff {
  font-size: 12px;
  margin: 0;
}

.report-staff-fallback {
  padding: 12px;
  text-align: center;
  font-size: 14px;
  font-weight: 650;
}

.report-warn {
  margin-top: 10px;
  font-size: 13px;
  color: #9a3412;
}

/* -------------------------------------------------------------------------- */
/* Report viewer · mobile / App embed（不影响桌面 Web 默认浏览）                */
/* -------------------------------------------------------------------------- */

/* 窄屏手机浏览器打开 /r：去掉站点导航与页脚，报告本身占满 */
@media (max-width: 768px) {
  body.page-assignment-report > .header,
  body.page-assignment-report > .footer,
  body.page-assignment-report .report-page-nav {
    display: none !important;
  }

  body.page-assignment-report {
    background: #f7f6f5;
  }

  body.page-assignment-report .teacher-check-wrap.report-viewer-main {
    max-width: none;
    margin: 0;
    padding: 14px 14px calc(20px + env(safe-area-inset-bottom, 0px));
  }

  body.page-assignment-report .report-title {
    font-size: 22px;
  }

  body.page-assignment-report .report-pct {
    font-size: 40px;
  }

  body.page-assignment-report .report-card {
    padding: 14px;
    border-radius: 14px;
  }

  body.page-assignment-report .report-kv {
    grid-template-columns: 72px 1fr;
    row-gap: 8px;
    font-size: 13px;
  }

  body.page-assignment-report .report-mistake-card {
    padding: 12px;
  }
}

/* App SFSafari / 内嵌：任意宽度（含 iPad）隐藏站点壳，仅保留报告 */
body.report-viewer--embed > .header,
body.report-viewer--embed > .footer,
body.report-viewer--embed .report-page-nav {
  display: none !important;
}

body.report-viewer--embed {
  background: #f7f6f5;
}

body.report-viewer--embed .teacher-check-wrap.report-viewer-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 16px calc(24px + env(safe-area-inset-bottom, 0px));
}

body.report-viewer--embed .report-title {
  font-size: 24px;
}

body.report-viewer--embed .report-card {
  border-radius: 14px;
}

.muted {
  color: var(--color-text-tertiary);
  font-size: 13px;
}

/* Landing */
.assignment-landing {
  max-width: 480px;
  margin: 0 auto;
  padding: 36px 20px 64px;
}

.landing-pill {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.assignment-landing h1 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.landing-meta {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  overflow: hidden;
  margin: 16px 0 20px;
}

.landing-meta .row {
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 14px;
}

.landing-meta .row:last-child {
  border-bottom: none;
}

.landing-meta .k {
  color: var(--color-text-tertiary);
}

.landing-meta .v {
  font-weight: 650;
}

.landing-howto {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.landing-howto ol {
  padding-left: 18px;
  margin-top: 8px;
  line-height: 1.55;
}

/* Practice assignment chrome */
.assignment-mode-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(37, 99, 235, 0.08);
  border-bottom: 1px solid var(--color-border-light);
  font-size: 12.5px;
  font-weight: 650;
  color: #1d4ed8;
}

.assignment-mode-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #1d4ed8;
  flex-shrink: 0;
}

.assignment-mode-text {
  flex: 1;
  min-width: 0;
}

.assignment-mode-exit {
  font-size: 12px;
  font-weight: 650;
  color: #c2410c;
  padding: 4px 8px;
}

.assignment-complete-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 10000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.assignment-complete-sheet {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px 16px 0 0;
  padding: 12px 20px 28px;
}

.assignment-complete-grab {
  width: 36px;
  height: 5px;
  border-radius: 3px;
  background: rgba(60, 60, 67, 0.18);
  margin: 0 auto 14px;
}

.assignment-complete-sheet h3 {
  text-align: center;
  font-size: 17px;
  font-weight: 750;
}

.assignment-complete-score {
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  margin: 8px 0 4px;
}

.assignment-complete-hint {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-tertiary);
  margin-bottom: 14px;
}

.assignment-complete-label {
  font-size: 12px;
  font-weight: 650;
  color: var(--color-text-tertiary);
  display: block;
  margin-bottom: 6px;
}

.assignment-complete-input {
  width: 100%;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 0 12px;
  font-size: 16px;
  margin-bottom: 12px;
}

.assignment-complete-error {
  font-size: 13px;
  margin-bottom: 10px;
  color: #dc2626;
}

.assignment-complete-primary {
  width: 100%;
  height: 48px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}

.assignment-complete-ghost {
  width: 100%;
  height: 40px;
  margin-top: 6px;
  color: var(--color-primary);
  font-weight: 650;
  font-size: 14px;
}

.teacher-error {
  color: #dc2626;
  font-size: 14px;
}