/* ============================================
   Report review workspace
   Uses the shared QLHT color, radius and typography tokens
   ============================================ */

body.report-review-open { overflow: hidden; }

.report-review-overlay {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.46);
  backdrop-filter: blur(7px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.report-review-overlay.open { opacity: 1; visibility: visible; }

.report-review-dialog {
  width: min(1240px, 98vw);
  height: min(900px, 94vh);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.24);
  transform: translateY(16px) scale(0.985);
  transition: transform 0.25s var(--ease-out);
}

.report-review-overlay.open .report-review-dialog { transform: translateY(0) scale(1); }

.report-review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--card-border);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-alt));
  min-width: 0;
}

.report-review-heading { display: flex; align-items: center; gap: 12px; min-width: 0; }
.report-review-heading-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  box-shadow: 0 5px 14px rgba(66, 133, 244, 0.24);
}
.report-review-heading h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.18rem;
  line-height: 1.25;
}
.report-review-heading p { margin: 3px 0 0; color: var(--text-tertiary); font-size: 0.78rem; }
.report-review-close {
  border: none !important;
  border-radius: 9px !important;
  background: var(--danger) !important;
  color: #fff !important;
}

.report-review-body { display: grid; grid-template-columns: 244px minmax(0, 1fr); min-height: 0; }
.report-review-body.single { grid-template-columns: minmax(0, 1fr); }
.report-review-sidebar {
  min-height: 0;
  overflow: hidden;
  border-right: 1px solid var(--card-border);
  background: var(--bg-card-alt);
}
.report-review-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 15px 10px;
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.report-review-sidebar-head strong {
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--accent-bg);
  font-size: 0.7rem;
}
.report-review-student-list { height: calc(100% - 43px); overflow: auto; padding: 0 8px 12px; }
.report-review-student {
  width: 100%;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  margin: 3px 0;
  padding: 10px 9px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-secondary);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: all var(--t-fast);
}
.report-review-student:hover { background: var(--bg-hover); color: var(--text-primary); }
.report-review-student.active {
  border-color: rgba(66, 133, 244, 0.18);
  color: var(--accent-dark);
  background: var(--accent-bg);
  box-shadow: inset 3px 0 0 var(--accent);
}
.report-review-student-order {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  color: var(--text-tertiary);
  background: var(--bg-card);
  font-size: 0.72rem;
  font-weight: 700;
}
.report-review-student-copy { min-width: 0; }
.report-review-student-copy > strong {
  display: block;
  overflow: hidden;
  color: inherit;
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.report-review-status {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 3px;
  color: var(--text-tertiary);
  font-size: 0.67rem;
  font-weight: 600;
}
.report-review-status .material-symbols-rounded { font-size: 13px; }
.report-review-status.reviewed { color: var(--success); }
.report-review-status.edited { color: var(--accent-dark); }
.report-review-status.unreviewed, .report-review-status.stale { color: var(--warning); }
.report-review-status.error { color: var(--danger); }
.report-review-status.loading .material-symbols-rounded { animation: report-review-spin 0.9s linear infinite; }
.report-review-status.large {
  flex: 0 0 auto;
  margin: 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-hover);
  font-size: 0.72rem;
}
.report-review-status.large.reviewed { background: var(--success-bg); }
.report-review-status.large.edited { background: var(--accent-bg); }
.report-review-status.large.unreviewed, .report-review-status.large.stale { background: var(--warning-bg); }
.report-review-status.large.error { background: var(--danger-bg); }

.report-review-main { min-width: 0; overflow: auto; padding: 18px 20px 24px; background: var(--bg-primary); }
.report-review-student-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.report-review-eyebrow { color: var(--accent-dark); font-size: 0.67rem; font-weight: 700; letter-spacing: 0.09em; }
.report-review-student-header h3 {
  margin: 2px 0 1px;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
}
.report-review-student-header p { color: var(--text-tertiary); font-size: 0.75rem; }

.report-review-alert {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid;
  border-radius: 10px;
  font-size: 0.75rem;
}
.report-review-alert > .material-symbols-rounded { font-size: 19px; }
.report-review-alert strong { display: block; margin-bottom: 2px; }
.report-review-alert p { margin: 0; line-height: 1.45; }
.report-review-alert.warning { color: #92400e; border-color: rgba(217, 119, 6, 0.2); background: var(--warning-bg); }
.report-review-alert.danger { color: #991b1b; border-color: rgba(220, 38, 38, 0.18); background: var(--danger-bg); }

.report-review-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 14px 0; }
.report-review-summary-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--card-border);
  border-radius: 11px;
  background: var(--bg-card);
  box-shadow: var(--card-shadow);
}
.report-review-summary-card > .material-symbols-rounded {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 9px;
  color: var(--accent-dark);
  background: var(--accent-bg);
  font-size: 19px;
}
.report-review-summary-card div { display: grid; grid-template-columns: auto auto; align-items: baseline; column-gap: 6px; }
.report-review-summary-card small { grid-column: 1 / -1; color: var(--text-tertiary); font-size: 0.67rem; }
.report-review-summary-card strong { color: var(--text-primary); font-size: 0.98rem; }
.report-review-summary-card em { color: var(--success); font-size: 0.68rem; font-style: normal; font-weight: 700; }

.report-review-columns { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr); gap: 14px; align-items: stretch; }
.report-review-panel {
  min-width: 0;
  border: 1px solid var(--card-border);
  border-radius: 13px;
  background: var(--bg-card);
  box-shadow: var(--card-shadow);
}
.report-review-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--card-border);
}
.report-review-panel-title > div { display: flex; align-items: center; gap: 8px; }
.report-review-panel-title > div > .material-symbols-rounded { color: var(--accent); font-size: 20px; }
.report-review-panel-title h4 { margin: 0; color: var(--text-primary); font-size: 0.82rem; }
.report-review-panel-title p { margin: 1px 0 0; color: var(--text-tertiary); font-size: 0.67rem; }
.report-review-grade-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--accent-dark);
  font-size: 0.69rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}
.report-review-grade-link .material-symbols-rounded { font-size: 13px; }
.report-review-table-wrap { max-height: 315px; overflow: auto; }
.report-review-results table { width: 100%; border-collapse: collapse; font-size: 0.73rem; }
.report-review-results th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 8px 10px;
  color: var(--text-tertiary);
  background: var(--bg-card-alt);
  text-align: left;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.report-review-results td { padding: 9px 10px; border-top: 1px solid var(--card-border); color: var(--text-secondary); }
.report-review-results td:first-child { min-width: 145px; }
.report-review-results td strong { display: block; color: var(--text-primary); font-size: 0.75rem; }
.report-review-results td small { display: block; margin-top: 2px; color: var(--text-tertiary); font-size: 0.64rem; line-height: 1.35; }
.report-review-results .report-review-score { color: var(--success); font-weight: 700; white-space: nowrap; }
.report-review-empty { padding: 28px !important; text-align: center; color: var(--text-tertiary) !important; }
.report-review-homework-preview { border-top: 1px solid var(--card-border); background: var(--bg-card-alt); }
.report-review-homework-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 13px;
  border-bottom: 1px solid var(--card-border);
  background: var(--bg-card);
}
.report-review-homework-heading > div { display: flex; align-items: center; gap: 8px; min-width: 0; }
.report-review-homework-heading > div > .material-symbols-rounded { color: var(--accent); font-size: 19px; }
.report-review-homework-heading h5 { margin: 0; color: var(--text-primary); font-size: 0.76rem; }
.report-review-homework-heading p { margin: 1px 0 0; color: var(--text-tertiary); font-size: 0.63rem; }
.report-review-homework-count {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--accent-bg);
  font-size: 0.63rem;
  font-weight: 700;
}
.report-review-homework-content { display: grid; gap: 9px; padding: 10px; }
.report-review-homework-entry {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--bg-card);
}
.report-review-homework-date {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}
.report-review-homework-date .material-symbols-rounded { margin-top: 1px; font-size: 14px; }
.report-review-homework-issues { display: grid; gap: 8px; min-width: 0; }
.report-review-homework-issue {
  min-width: 0;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--card-border);
  color: var(--text-secondary);
  font-size: 0.71rem;
  line-height: 1.55;
}
.report-review-homework-issue:last-child { padding-bottom: 0; border-bottom: 0; }
.report-review-homework-problem { overflow-x: auto; color: var(--text-primary); font-weight: 500; }
.report-review-homework-solution {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  padding: 7px 8px;
  border-radius: 8px;
  color: var(--text-secondary);
  background: var(--success-bg);
}
.report-review-homework-solution > .material-symbols-rounded { flex: 0 0 auto; color: var(--success); font-size: 15px; }
.report-review-homework-solution strong { display: block; margin-bottom: 1px; color: var(--success); font-size: 0.64rem; }
.report-review-homework-solution p { margin: 0; overflow-x: auto; }
.report-review-homework-preview .katex { font-size: 0.96em; }

.report-review-editor { display: flex; flex-direction: column; }
.report-review-editor-actions { display: flex; gap: 7px; padding: 10px 12px 0; }
.report-review-editor-actions .btn-xs { padding: 6px 9px; font-size: 0.7rem; }
.report-review-editor-actions button:disabled,
.report-review-footer button:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.report-review-textarea-wrap { position: relative; flex: 1; padding: 10px 12px 0; }
.report-review-textarea-wrap textarea {
  width: 100%;
  min-height: 245px;
  height: 100%;
  padding: 12px 13px;
  resize: vertical;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  outline: none;
  color: var(--text-primary);
  background: var(--bg-card);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.81rem;
  line-height: 1.62;
  transition: all var(--t-fast);
}
.report-review-textarea-wrap textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.report-review-textarea-wrap.loading textarea { color: transparent; background: var(--bg-card-alt); }
.report-review-ai-loading {
  position: absolute;
  inset: 10px 12px 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--accent-dark);
  text-align: center;
}
.report-review-ai-loading .material-symbols-rounded { font-size: 28px; }
.report-review-ai-loading strong { font-size: 0.8rem; }
.report-review-ai-loading small { color: var(--text-tertiary); font-size: 0.68rem; }
.report-review-editor-meta { display: flex; justify-content: space-between; padding: 7px 13px 2px; color: var(--text-tertiary); font-size: 0.67rem; }
.report-review-save-state { display: inline-flex; align-items: center; gap: 3px; color: var(--success); }
.report-review-save-state.error { color: var(--danger); }
.report-review-save-state .material-symbols-rounded { font-size: 13px; }
.report-review-tip { display: flex; gap: 6px; margin: 8px 12px 12px; padding: 8px 9px; border-radius: 8px; color: var(--text-tertiary); background: var(--bg-card-alt); font-size: 0.67rem; line-height: 1.4; }
.report-review-tip .material-symbols-rounded { flex: 0 0 auto; color: var(--warning); font-size: 16px; }

.report-review-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  border-top: 1px solid var(--card-border);
  background: var(--bg-card);
  min-width: 0;
}
.report-review-footer-left, .report-review-footer-actions { display: flex; align-items: center; gap: 8px; }
.report-review-footer .btn-secondary, .report-review-footer .btn-primary { min-height: 36px; padding: 8px 12px; font-size: 0.76rem; }
.report-review-approve { color: var(--success); border-color: rgba(5, 150, 105, 0.2); background: var(--success-bg); }

@keyframes report-review-spin { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  .report-review-columns { grid-template-columns: 1fr; }
  .report-review-textarea-wrap textarea { min-height: 210px; }
}

@media (max-width: 768px) {
  .report-review-overlay { padding: 0; align-items: stretch; }
  .report-review-dialog { width: 100%; max-width: 100vw; height: 100dvh; max-height: none; border: 0; border-radius: 0; }
  .report-review-header { padding: 12px 13px; }
  .report-review-heading { min-width: 0; }
  .report-review-heading > div { min-width: 0; flex: 1 1 auto; }
  .report-review-close { flex: 0 0 auto; }
  .report-review-heading-icon { width: 36px; height: 36px; flex-basis: 36px; border-radius: 10px; font-size: 20px; }
  .report-review-heading h2 { font-size: 0.96rem; }
  .report-review-heading p { max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.69rem; }
  .report-review-body { display: flex; flex-direction: column; }
  .report-review-sidebar { flex: 0 0 auto; border-right: 0; border-bottom: 1px solid var(--card-border); }
  .report-review-sidebar-head { padding: 8px 11px 5px; }
  .report-review-student-list { display: flex; gap: 6px; height: auto; padding: 0 9px 8px; overflow-x: auto; }
  .report-review-student { width: 168px; flex: 0 0 168px; margin: 0; padding: 7px 8px; }
  .report-review-student.active { box-shadow: inset 0 -3px 0 var(--accent); }
  .report-review-main { width: 100%; max-width: 100vw; padding: 13px 11px 20px; overflow-x: hidden; }
  .report-review-summary { gap: 6px; }
  .report-review-summary-card { padding: 8px; gap: 6px; }
  .report-review-summary-card > .material-symbols-rounded { width: 29px; height: 29px; flex-basis: 29px; font-size: 17px; }
  .report-review-summary-card strong { font-size: 0.82rem; }
  .report-review-summary-card em { display: none; }
  .report-review-panel-title { padding: 11px; }
  .report-review-columns, .report-review-panel { width: 100%; max-width: 100%; min-width: 0; }
  .report-review-table-wrap { width: 100%; max-height: 250px; overflow-x: auto; }
  .report-review-results table { min-width: 520px; }
  .report-review-homework-entry { grid-template-columns: 1fr; gap: 6px; }
  .report-review-homework-date { align-items: center; }
  .report-review-textarea-wrap textarea { min-height: 230px; }
  .report-review-footer { width: 100%; max-width: 100vw; align-items: stretch; padding: 9px 10px; overflow: hidden; }
  .report-review-footer-left { display: none; }
  .report-review-footer-actions { width: 100%; min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .report-review-footer-actions button { min-width: 0; white-space: normal; }
  .report-review-footer-actions .btn-primary:last-child { grid-column: 1 / -1; justify-content: center; }
  .report-review-footer-actions button { justify-content: center; }
}

@media (max-width: 430px) {
  .report-review-status.large { padding: 5px 7px; font-size: 0.65rem; }
  .report-review-student-header h3 { font-size: 1.06rem; }
  .report-review-summary-card small { font-size: 0.6rem; }
  .report-review-grade-link { font-size: 0; }
  .report-review-grade-link .material-symbols-rounded { font-size: 17px; }
  .report-review-editor-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .report-review-editor-actions button { min-width: 0; justify-content: center; white-space: normal; }
}