:root {
  --bg: #fafaf7;
  --card: #ffffff;
  --ink: #14110d;
  --ink-soft: #5e564b;
  --pencil: #b0a99e;
  --border: #e7e1d7;
  --peach: #fde9d8;
  --sun: #f0a04b;
  --sun-deep: #c47b2d;
  --child: #fde9d8;
  --tutor: #ffffff;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.brand-mark { font-size: 22px; }
.brand-text { letter-spacing: -0.3px; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 480px;
  margin: 40px auto;
}
.card h1 { margin: 0 0 12px; font-size: 22px; }
.muted { color: var(--ink-soft); }

.filters {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filters label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
  gap: 4px;
}
.filters select,
.filters input {
  font: inherit;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  min-width: 100px;
}

.btn,
.btn-secondary {
  font: inherit;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--sun);
  background: var(--sun);
  color: white;
}
.btn-secondary {
  background: var(--card);
  color: var(--ink-soft);
  border-color: var(--border);
}
.btn:hover { background: var(--sun-deep); border-color: var(--sun-deep); }
.btn-secondary:hover { background: var(--bg); }

.status { padding: 12px 0; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 14px;
}
.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: var(--bg);
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:hover td { background: var(--bg); }
.data-table code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--ink-soft);
}

.detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-top: 24px;
}
.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.detail-card h2 { margin: 0; font-size: 20px; }

.meta-block {
  background: var(--bg);
  padding: 12px;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
  margin: 0 0 24px 0;
}

.turn {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 8px;
  max-width: 80%;
}
.turn.child {
  background: var(--child);
  margin-left: auto;
  border-top-right-radius: 4px;
}
.turn.assistant {
  background: var(--tutor);
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
}
.turn.system {
  background: var(--bg);
  border: 1px dashed var(--pencil);
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 100%;
}
.turn-role {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.turn-meta {
  font-size: 11px;
  color: var(--pencil);
  margin-top: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ── Top + sub navigation ────────────────────────────────────────────── */

.topnav {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.navlink {
  background: transparent;
  border: 0;
  color: var(--ink-soft);
  font: inherit;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
}
.navlink:hover { background: var(--bg); }
.navlink.active {
  background: var(--peach);
  color: var(--sun-deep);
}

.subnav {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  padding-bottom: 8px;
}
.sublink {
  background: transparent;
  border: 0;
  color: var(--ink-soft);
  font: inherit;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.sublink:hover { background: var(--bg); }
.sublink.active {
  background: var(--sun);
  color: white;
}

/* ── Content panels ─────────────────────────────────────────────────── */

.content-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.content-panel h2 {
  margin: 0 0 8px;
  font-size: 18px;
}
.content-panel > p.muted {
  margin: 0 0 16px;
}

.filters label.checkbox {
  flex-direction: row;
  align-items: center;
  text-transform: none;
  letter-spacing: 0;
  font-size: 14px;
  color: var(--ink);
  gap: 6px;
}

/* Generate result */
.summary-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin: 12px 0;
  font-size: 14px;
}

.gen-report {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--pencil);
  border-radius: 8px;
  padding: 12px;
  margin: 8px 0;
  font-size: 14px;
}
.gen-report.decision-inserted_approved {
  border-left-color: #2f9b54;
}
.gen-report.decision-inserted_draft {
  border-left-color: var(--sun);
}
.gen-report.decision-rejected {
  border-left-color: #c4452d;
}
.gen-report.decision-dry_run {
  border-left-color: var(--pencil);
}
.gen-report-head {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
  font-size: 13px;
}
.gen-report-stem {
  font-size: 14px;
  margin: 6px 0;
}
.gen-report-rev {
  font-size: 13px;
  background: var(--bg);
  padding: 8px;
  border-radius: 4px;
  margin-top: 6px;
}
.gen-report-id {
  margin-top: 4px;
  font-size: 12px;
}

.badge {
  display: inline-block;
  background: var(--ink);
  color: white;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}
.badge-soft {
  background: var(--peach);
  color: var(--sun-deep);
}
.badge-retry {
  background: #e9f3ff;
  color: #1e6fc2;
}

.job-progress {
  background: var(--card);
  border: 1px solid var(--sun);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
}
.job-progress-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 14px;
}
.job-progress-bar {
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
  height: 8px;
  margin-bottom: 8px;
}
.job-progress-fill {
  background: var(--sun);
  height: 100%;
  transition: width 0.3s ease;
}
.job-progress-counts {
  font-size: 13px;
}

/* Drafts cards */
.draft-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin: 12px 0;
}
.draft-meta {
  font-size: 12px;
  margin-bottom: 8px;
}
.draft-stem {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}
.draft-choices {
  margin: 0 0 12px;
  padding-left: 24px;
}
.draft-choices li {
  margin-bottom: 4px;
}
.draft-explanation {
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 12px;
}
.draft-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Job cards (Jobs subtab) */
.job-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--pencil);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 10px 0;
}
.job-card.status-running { border-left-color: var(--sun); }
.job-card.status-completed { border-left-color: #2f9b54; }
.job-card.status-failed { border-left-color: #c4452d; }
.job-card.status-queued { border-left-color: var(--pencil); }
.job-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 13px;
}
.job-card-params {
  font-size: 13px;
  margin-bottom: 8px;
}
.job-card-counts {
  font-size: 13px;
  margin-top: 8px;
}
.job-card-error {
  font-size: 12px;
  background: #fdf3f2;
  border-left: 2px solid #c4452d;
  padding: 6px 10px;
  border-radius: 4px;
  margin-top: 6px;
}
.status-badge-running { background: var(--sun); color: white; }
.status-badge-completed { background: #2f9b54; color: white; }
.status-badge-failed { background: #c4452d; color: white; }
.status-badge-queued { background: var(--pencil); color: white; }
.status-badge-cancelled { background: var(--ink-soft); color: white; }

/* Flag cards */
.flag-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 10px 0;
}
.flag-meta {
  font-size: 12px;
  margin-bottom: 6px;
}
.flag-reason {
  font-size: 15px;
  margin-bottom: 6px;
}
.flag-note {
  font-style: italic;
  background: var(--bg);
  padding: 8px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 10px;
}
.flag-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Tutor Pack — curriculum review */
.tutor-pack-unit {
  margin: 24px 0;
  padding: 16px;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  background: #fafafa;
}
.tutor-pack-unit h3 {
  margin: 0 0 8px;
}
.tutor-pack-concept {
  margin: 12px 0;
  padding: 12px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  background: #fff;
}
.tutor-pack-concept-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.tutor-pack-concept-title {
  font-weight: 600;
  flex: 1;
}
.tutor-pack-concept-desc {
  margin: 4px 0 8px;
  font-size: 14px;
  color: #444;
}
.tutor-pack-concept-content {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #666;
  margin: 8px 0;
}
.tutor-pack-concept-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.tutor-pack-concept-content-panel {
  margin-top: 12px;
  padding: 14px 16px;
  background: #fafbfc;
  border: 1px solid #e1e4e8;
  border-radius: 6px;
}
.tutor-pack-content-blocks > details {
  margin: 10px 0;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 4px;
}
.tutor-pack-content-blocks > details > summary {
  cursor: pointer;
  font-size: 14px;
  padding: 4px 0;
}
.tutor-pack-content-blocks h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: #444;
}
.tutor-pack-stage,
.tutor-pack-item {
  padding: 10px 12px;
  margin: 8px 0;
  background: #fff;
  border-left: 3px solid #6c757d;
  border-radius: 0 4px 4px 0;
  font-size: 13px;
  line-height: 1.5;
}
.tutor-pack-item p,
.tutor-pack-stage p {
  margin: 4px 0;
}
.tutor-pack-stage-whiteboard,
.tutor-pack-stage-checkin {
  font-size: 12px;
  margin-top: 4px;
  padding: 4px 8px;
  background: #f6f8fa;
  border-radius: 3px;
}
.tutor-pack-stage-whiteboard-render {
  margin: 10px 0;
  background: #fdf9f2;
  border: 1px solid #e8e2d6;
  border-radius: 6px;
  padding: 8px;
  text-align: center;
}
.tutor-pack-stage-whiteboard-render svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}
.tutor-pack-stage-whiteboard-fallback summary {
  cursor: pointer;
}
.tutor-pack-stage-whiteboard-fallback pre {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  white-space: pre-wrap;
  word-break: break-word;
  background: #fff;
  padding: 6px;
  border-radius: 4px;
  margin-top: 4px;
}
.tutor-pack-stage-whiteboard code,
.tutor-pack-raw-json {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  white-space: pre-wrap;
  word-break: break-word;
}
.tutor-pack-item ul {
  margin: 4px 0 4px 18px;
  padding: 0;
}
.tutor-pack-item code {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  background: #f6f8fa;
  padding: 1px 4px;
  border-radius: 2px;
}
.tutor-pack-verdict {
  margin: 6px 0;
  padding: 8px 10px;
  background: #fafbfc;
  border-radius: 4px;
  font-size: 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.tutor-pack-verdict-rec {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  font-size: 11px;
}
.verdict-rec-approve { background: #d4edda; color: #155724; }
.verdict-rec-revise  { background: #fff3cd; color: #856404; }
.verdict-rec-reject  { background: #f8d7da; color: #721c24; }
.verdict-rec-unknown { background: #e2e3e5; color: #383d41; }
.verdict-pill {
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  cursor: help;
}
.verdict-pass { background: #d4edda; color: #155724; }
.verdict-warn { background: #fff3cd; color: #856404; }
.verdict-fail { background: #f8d7da; color: #721c24; }
.tutor-pack-verdict p {
  flex: 1 1 100%;
  margin: 4px 0 0;
}
#tutor-pack-bulkgen-panel {
  margin-top: 24px;
}
.badge-queued     { background: #e2e3e5; color: #383d41; padding: 2px 8px; border-radius: 4px; font-weight: 600; font-size: 11px; }
.badge-running    { background: #cce5ff; color: #004085; padding: 2px 8px; border-radius: 4px; font-weight: 600; font-size: 11px; }
.badge-completed  { background: #d4edda; color: #155724; padding: 2px 8px; border-radius: 4px; font-weight: 600; font-size: 11px; }
.badge-failed     { background: #f8d7da; color: #721c24; padding: 2px 8px; border-radius: 4px; font-weight: 600; font-size: 11px; }
.badge-cancelled  { background: #fff3cd; color: #856404; padding: 2px 8px; border-radius: 4px; font-weight: 600; font-size: 11px; }
.badge-draft,
.badge-approved,
.badge-rejected,
.badge-content-ready,
.badge-content-partial,
.badge-content-missing {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.badge-draft { background: #fff3cd; color: #856404; }
.badge-approved { background: #d4edda; color: #155724; }
.badge-rejected { background: #f8d7da; color: #721c24; }
.badge-content-ready { background: #cce5ff; color: #004085; }
.badge-content-partial { background: #fff3cd; color: #856404; }
.badge-content-missing { background: #e2e3e5; color: #383d41; }
.small { font-size: 12px; }