/* ── Teaching Session Viewer · visual redesign (overview strip, recording timeline,
      Briefing v2, data flowchart, Timeline tab, Data view, mindmap polish) ──
   Paired with js/crm/teaching-session-visuals.js. Everything is scoped to the viewer modal. */

#crm-teaching-session-modal {
  --tsv-brand: #177a44;
  --tsv-brand-soft: #ecfdf5;
  --tsv-ink: #0f172a;
  --tsv-text: #334155;
  --tsv-muted: #64748b;
  --tsv-line: #e2e8f0;
  --tsv-line-soft: #f1f5f9;
  --tsv-topic: #0ea5e9;
  --tsv-mastered: #16a34a;
  --tsv-partial: #d97706;
  --tsv-practice: #dc2626;
  --tsv-next: #4f46e5;
  --tsv-live: #0284c7;
  --tsv-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

#crm-teaching-session-modal .tsv-icon { flex-shrink: 0; vertical-align: -3px; }

/* ── Layout: content column fills the modal; diagram panes take the remaining height ── */
#crm-teaching-session-modal .crm-session-viewer-content {
  display: flex;
  flex-direction: column;
  padding: 20px 24px;
}
#crm-teaching-session-modal .teaching-session-view-pane { flex: 0 0 auto; }
#crm-teaching-session-modal #teaching-session-view-mindmap,
#crm-teaching-session-modal #teaching-session-view-flowchart {
  flex: 1 1 auto;
  min-height: 0;
  display: flex !important;
  flex-direction: column;
}
#crm-teaching-session-modal #teaching-session-view-mindmap[style*="display: none"],
#crm-teaching-session-modal #teaching-session-view-flowchart[style*="display: none"] { display: none !important; }
#crm-teaching-session-modal #teaching-session-view-mindmap .crm-diagram-stage {
  flex: 1 1 0;
  height: auto;
  min-height: 340px;
  max-height: none;
}
#crm-teaching-session-modal .crm-diagram-stage {
  background:
    radial-gradient(circle, rgba(148, 163, 184, 0.2) 1px, transparent 1.2px) 0 0 / 24px 24px,
    var(--tsv-mesh);
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: 22px;
  box-shadow: inset 0 1px 0 #fff;
}

/* Tabs: more room, quieter "Data" entry lives in the ⋯ menu */
#crm-teaching-session-modal .crm-session-viewer-nav { padding: 8px 24px; position: relative; z-index: 6; }
#crm-teaching-session-modal .crm-session-viewer-nav .crm-tab-btn { display: inline-flex; align-items: center; gap: 6px; }
#crm-teaching-session-modal .tsv-more { position: relative; }
#crm-teaching-session-modal .tsv-more-btn {
  width: 34px; height: 32px; border-radius: 10px; border: 1px solid transparent;
  background: transparent; color: var(--tsv-muted); font-size: 18px; line-height: 1; cursor: pointer;
}
#crm-teaching-session-modal .tsv-more-btn:hover,
#crm-teaching-session-modal .tsv-more-btn[aria-expanded="true"],
#crm-teaching-session-modal .tsv-more:has(.crm-tab-btn.active) .tsv-more-btn {
  background: var(--tsv-line-soft); border-color: var(--tsv-line); color: var(--tsv-ink);
}
#crm-teaching-session-modal .tsv-more-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40; min-width: 210px;
  background: #fff; border: 1px solid var(--tsv-line); border-radius: 12px; padding: 6px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
}
#crm-teaching-session-modal .tsv-more-menu .crm-tab-btn {
  display: flex; width: 100%; justify-content: flex-start; opacity: 1; font-size: 13px;
  color: var(--tsv-text); border-radius: 8px; padding: 8px 10px;
}
#crm-teaching-session-modal .tsv-more-menu .crm-tab-btn.active {
  background: var(--tsv-brand-soft); color: var(--tsv-brand); border-color: transparent; box-shadow: none;
}

/* Footer buttons match the rest of the viewer */
#crm-teaching-session-modal .crm-session-viewer-footer button {
  font-size: 13px; font-weight: 600; padding: 8px 16px; border-radius: 10px; font-family: inherit;
}

/* ── Overview strip ── */
#crm-teaching-session-modal .tsv-overview {
  display: flex;
  align-items: stretch;
  gap: 4px;
  padding: 6px 20px;
  border-bottom: 1px solid var(--tsv-line);
  background: linear-gradient(180deg, #ffffff 0%, #fafcfb 100%);
  flex-shrink: 0;
}
#crm-teaching-session-modal .tsv-overview[hidden] { display: none; }
#crm-teaching-session-modal .tsv-ov-stat {
  display: flex; align-items: center; gap: 9px; min-width: 0; flex: 0 1 auto;
  padding: 6px 12px 6px 6px; border: 1px solid transparent; border-radius: 12px;
  background: transparent; text-align: left; cursor: pointer; font-family: inherit;
  transition: background 0.2s var(--tsv-ease), border-color 0.2s var(--tsv-ease);
}
#crm-teaching-session-modal .tsv-ov-stat + .tsv-ov-stat { position: relative; }
#crm-teaching-session-modal .tsv-ov-stat:hover:not(.is-static) { background: #fff; border-color: var(--tsv-line); }
#crm-teaching-session-modal .tsv-ov-stat.is-static { cursor: default; }
#crm-teaching-session-modal .tsv-ov-icon {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
}
#crm-teaching-session-modal .tsv-ov-icon.is-topic { background: #e0f2fe; color: #0369a1; }
#crm-teaching-session-modal .tsv-ov-icon.is-problem { background: #fff1f2; color: #be123c; }
#crm-teaching-session-modal .tsv-ov-icon.is-next { background: #eef2ff; color: var(--tsv-next); }
#crm-teaching-session-modal .tsv-ov-icon.is-time { background: var(--tsv-line-soft); color: var(--tsv-muted); }
#crm-teaching-session-modal .tsv-ov-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
#crm-teaching-session-modal .tsv-ov-text strong { font-size: 16px; font-weight: 700; color: var(--tsv-ink); font-variant-numeric: tabular-nums; }
#crm-teaching-session-modal .tsv-ov-text small { font-size: 11.5px; color: var(--tsv-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#crm-teaching-session-modal .tsv-donut { width: 32px; height: 32px; }
#crm-teaching-session-modal .tsv-donut circle { fill: none; stroke-width: 6; }
#crm-teaching-session-modal .tsv-donut-track { stroke: var(--tsv-line-soft); }
#crm-teaching-session-modal .tsv-donut-seg { transition: stroke-dasharray 0.6s var(--tsv-ease); }
#crm-teaching-session-modal .tsv-donut-seg.is-mastered { stroke: var(--tsv-mastered); }
#crm-teaching-session-modal .tsv-donut-seg.is-partial { stroke: #f59e0b; }
#crm-teaching-session-modal .tsv-donut-seg.is-practice { stroke: #ef4444; }
#crm-teaching-session-modal .tsv-ov-readiness {
  margin-left: auto; display: flex; align-items: center; gap: 8px; white-space: nowrap; flex-shrink: 0;
  padding: 4px 0 4px 12px; line-height: 1.25;
}
#crm-teaching-session-modal .tsv-ov-readiness small { font-size: 11px; color: var(--tsv-muted); }
#crm-teaching-session-modal .tsv-ov-readiness strong {
  font-size: 13px; padding: 4px 12px; border-radius: 999px;
  background: var(--tsv-line-soft); color: var(--tsv-text);
}
#crm-teaching-session-modal .tsv-ov-readiness.tone-good strong { background: #dcfce7; color: #166534; }
#crm-teaching-session-modal .tsv-ov-readiness.tone-weak strong { background: #fee2e2; color: #991b1b; }

/* ── Recording player with lesson markers ── */
#crm-teaching-session-modal .crm-session-docked-audio.has-tsv-player { padding: 10px 24px; }
#crm-teaching-session-modal .crm-session-docked-audio.has-tsv-player .crm-docked-audio-info,
#crm-teaching-session-modal .crm-session-docked-audio.has-tsv-player audio { display: none; }
#crm-teaching-session-modal .tsv-player { display: flex; align-items: center; gap: 10px; width: 100%; }
#crm-teaching-session-modal .tsv-play {
  width: 38px; height: 38px; border-radius: 50%; border: none; flex-shrink: 0;
  display: grid; place-items: center; background: var(--tsv-brand); color: #fff; cursor: pointer;
  box-shadow: 0 4px 12px rgba(23, 122, 68, 0.28);
  transition: transform 0.15s var(--tsv-ease), background 0.15s;
}
#crm-teaching-session-modal .tsv-play:hover { transform: scale(1.06); background: #156d3e; }
#crm-teaching-session-modal .tsv-play .tsv-icon { width: 18px; height: 18px; }
#crm-teaching-session-modal .tsv-skip {
  position: relative; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  border: none; background: transparent; color: var(--tsv-muted); cursor: pointer;
}
#crm-teaching-session-modal .tsv-skip:hover { background: var(--tsv-line-soft); color: var(--tsv-ink); }
#crm-teaching-session-modal .tsv-skip .tsv-icon { width: 22px; height: 22px; }
#crm-teaching-session-modal .tsv-skip span { position: absolute; font-size: 8px; font-weight: 700; top: 12px; }
#crm-teaching-session-modal .tsv-time {
  font-size: 12.5px; color: var(--tsv-muted); font-variant-numeric: tabular-nums; white-space: nowrap; min-width: 92px;
}
#crm-teaching-session-modal .tsv-time b { color: var(--tsv-ink); font-weight: 600; margin-right: 3px; }
#crm-teaching-session-modal .tsv-track {
  position: relative; flex: 1; height: 30px; cursor: pointer; outline: none; border-radius: 8px;
}
#crm-teaching-session-modal .tsv-track:focus-visible { box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.4); }
#crm-teaching-session-modal .tsv-track-rail {
  position: absolute; left: 0; right: 0; top: 50%; height: 6px; transform: translateY(-50%);
  background: #e8edf3; border-radius: 999px; overflow: hidden;
}
#crm-teaching-session-modal .tsv-track-fill {
  height: 100%; width: 0; border-radius: inherit;
  background: linear-gradient(90deg, #22c55e, var(--tsv-brand));
}
#crm-teaching-session-modal .tsv-track-thumb {
  position: absolute; top: 50%; left: 0; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--tsv-brand); transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.25); pointer-events: none; z-index: 3;
}
#crm-teaching-session-modal .tsv-track-markers { position: absolute; inset: 0; }
#crm-teaching-session-modal .tsv-marker {
  position: absolute; top: 50%; padding: 0; border: 2px solid #fff; cursor: pointer; z-index: 2;
  transform: translate(-50%, -50%); transition: transform 0.15s var(--tsv-ease);
}
#crm-teaching-session-modal .tsv-marker.is-topic {
  width: 4px; height: 20px; border-radius: 2px; border-width: 0; background: var(--tsv-topic); opacity: 0.85;
}
#crm-teaching-session-modal .tsv-marker.is-problem { width: 11px; height: 11px; border-radius: 50%; }
#crm-teaching-session-modal .tsv-marker.outcome-practice { background: #ef4444; }
#crm-teaching-session-modal .tsv-marker.outcome-partial { background: #f59e0b; }
#crm-teaching-session-modal .tsv-marker.outcome-mastered { background: #22c55e; }
#crm-teaching-session-modal .tsv-marker:hover,
#crm-teaching-session-modal .tsv-marker.is-live { transform: translate(-50%, -50%) scale(1.45); }
#crm-teaching-session-modal .tsv-track-tip {
  position: absolute; bottom: calc(100% + 6px); transform: translateX(-50%); z-index: 5;
  background: var(--tsv-ink); color: #fff; font-size: 12px; padding: 5px 9px; border-radius: 8px;
  white-space: nowrap; max-width: 360px; overflow: hidden; text-overflow: ellipsis; pointer-events: none;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.25);
}
#crm-teaching-session-modal .tsv-track-tip b { font-variant-numeric: tabular-nums; margin-right: 4px; }
#crm-teaching-session-modal .tsv-speed {
  min-width: 48px; height: 30px; border-radius: 8px; border: 1px solid var(--tsv-line); background: #fff;
  color: var(--tsv-text); font-size: 12px; font-weight: 600; cursor: pointer; font-family: inherit;
}
#crm-teaching-session-modal .tsv-speed:hover { border-color: #cbd5e1; color: var(--tsv-ink); }

/* ── Shared bits ── */
#crm-teaching-session-modal .tsv-time-btn {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px 2px 6px; border-radius: 999px;
  border: 1px solid #bae6fd; background: #f0f9ff; color: #0369a1; font-size: 12px; font-weight: 600;
  font-variant-numeric: tabular-nums; cursor: pointer; white-space: nowrap; font-family: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
#crm-teaching-session-modal .tsv-time-btn .tsv-icon { width: 12px; height: 12px; }
#crm-teaching-session-modal .tsv-time-btn:hover { background: #e0f2fe; border-color: #7dd3fc; }
#crm-teaching-session-modal .tsv-time-btn.is-playing { background: var(--tsv-live); border-color: var(--tsv-live); color: #fff; }
#crm-teaching-session-modal .tsv-outcome {
  display: inline-flex; align-items: center; padding: 2px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; white-space: nowrap;
}
#crm-teaching-session-modal .tsv-outcome.outcome-mastered { background: #dcfce7; color: #166534; }
#crm-teaching-session-modal .tsv-outcome.outcome-partial { background: #fef3c7; color: #92400e; }
#crm-teaching-session-modal .tsv-outcome.outcome-practice { background: #fee2e2; color: #991b1b; }
#crm-teaching-session-modal .tsv-sev-pill {
  display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600;
  color: var(--tsv-muted); white-space: nowrap;
}
#crm-teaching-session-modal .tsv-sev-pill::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #94a3b8; }
#crm-teaching-session-modal .tsv-sev-pill.sev-critical { color: #b91c1c; }
#crm-teaching-session-modal .tsv-sev-pill.sev-critical::before { background: #ef4444; }
#crm-teaching-session-modal .tsv-sev-pill.sev-warning { color: #b45309; }
#crm-teaching-session-modal .tsv-sev-pill.sev-warning::before { background: #f59e0b; }
#crm-teaching-session-modal .tsv-empty { color: var(--tsv-muted); text-align: center; padding: 32px; }

#crm-teaching-session-modal .is-live { --tsv-live-ring: 0 0 0 2px rgba(2, 132, 199, 0.55), 0 6px 18px rgba(2, 132, 199, 0.18); }
@keyframes tsvFlash {
  0% { box-shadow: 0 0 0 0 rgba(23, 122, 68, 0.45); }
  100% { box-shadow: 0 0 0 14px rgba(23, 122, 68, 0); }
}
#crm-teaching-session-modal .tsv-flash { animation: tsvFlash 0.9s ease-out; }

/* ── Briefing v2 ── */
#crm-teaching-session-modal #teaching-session-report-html { max-width: none; }
#crm-teaching-session-modal .tsv-briefing { max-width: 1120px; margin: 0 auto; color: var(--tsv-text); }
#crm-teaching-session-modal .tsv-hero { padding: 4px 0 20px; border-bottom: 1px solid var(--tsv-line); margin-bottom: 22px; }
#crm-teaching-session-modal .tsv-hero-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
#crm-teaching-session-modal .tsv-hero .crm-briefing-topic {
  margin: 0; font-size: 24px; line-height: 1.25; font-weight: 700; color: var(--tsv-ink); text-align: left; letter-spacing: -0.01em;
}
#crm-teaching-session-modal .tsv-readiness {
  flex-shrink: 0; padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700;
  background: var(--tsv-line-soft); color: var(--tsv-text);
}
#crm-teaching-session-modal .tsv-readiness.tone-good { background: #dcfce7; color: #166534; }
#crm-teaching-session-modal .tsv-readiness.tone-weak { background: #fee2e2; color: #991b1b; }
#crm-teaching-session-modal .tsv-hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; font-size: 13px; color: var(--tsv-muted);
}
#crm-teaching-session-modal .tsv-dot-sep { color: #cbd5e1; }
#crm-teaching-session-modal .tsv-recap {
  margin: 16px 0 0; padding: 2px 0 2px 16px; border-left: 3px solid var(--tsv-brand);
  font-size: 15px; line-height: 1.65; color: var(--tsv-ink);
}
#crm-teaching-session-modal .tsv-recap span {
  display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--tsv-brand); margin-bottom: 2px;
}
#crm-teaching-session-modal .tsv-briefing-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start;
}
#crm-teaching-session-modal .tsv-briefing-grid.no-aside { grid-template-columns: minmax(0, 1fr); }
#crm-teaching-session-modal .tsv-section { margin-bottom: 30px; scroll-margin-top: 12px; }
#crm-teaching-session-modal .tsv-section-head {
  display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px;
}
#crm-teaching-session-modal .tsv-section-head h3,
#crm-teaching-session-modal .tsv-briefing-aside h3 {
  display: flex; align-items: center; gap: 8px; margin: 0; font-size: 16px; font-weight: 700; color: var(--tsv-ink);
}
#crm-teaching-session-modal .tsv-count { font-size: 12.5px; color: var(--tsv-muted); }

/* Topics as a stepper */
#crm-teaching-session-modal .tsv-topic-list { list-style: none; margin: 0; padding: 0; }
#crm-teaching-session-modal .tsv-topic {
  position: relative; display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 14px;
  padding: 0 0 18px; border-radius: 12px;
}
#crm-teaching-session-modal .tsv-topic:not(:last-child)::before {
  content: ''; position: absolute; left: 14px; top: 30px; bottom: 0; width: 2px; background: var(--tsv-line);
}
#crm-teaching-session-modal .tsv-topic-num {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; z-index: 1;
  background: #e0f2fe; color: #0369a1; font-size: 13px; font-weight: 700;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
#crm-teaching-session-modal .tsv-topic.is-live .tsv-topic-num { background: var(--tsv-live); color: #fff; box-shadow: 0 0 0 5px rgba(2, 132, 199, 0.15); }
#crm-teaching-session-modal .tsv-topic-body { min-width: 0; padding-top: 3px; }
#crm-teaching-session-modal .tsv-topic-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
#crm-teaching-session-modal .tsv-topic-title { font-size: 15px; color: var(--tsv-ink); }
#crm-teaching-session-modal .tsv-topic .crm-knowledge-rule { margin: 6px 0 0; font-size: 14px; line-height: 1.6; }
#crm-teaching-session-modal .tsv-examples { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
#crm-teaching-session-modal .tsv-example {
  font-size: 13px; padding: 3px 10px; border-radius: 8px; background: #f8fafc; color: var(--tsv-ink);
  border: 1px dashed #cbd5e1; font-style: italic;
}
#crm-teaching-session-modal .tsv-related { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; font-size: 12px; color: var(--tsv-muted); }
#crm-teaching-session-modal .tsv-related-link {
  border: none; background: none; padding: 0 0 0 14px; position: relative; cursor: pointer;
  font-size: 12.5px; font-weight: 600; color: var(--tsv-text); font-family: inherit;
  text-decoration: underline dotted #94a3b8; text-underline-offset: 3px;
}
#crm-teaching-session-modal .tsv-related-link::before {
  content: ''; position: absolute; left: 3px; top: 50%; width: 7px; height: 7px; border-radius: 50%; transform: translateY(-50%);
  background: #ef4444;
}
#crm-teaching-session-modal .tsv-related-link.outcome-partial::before { background: #f59e0b; }
#crm-teaching-session-modal .tsv-related-link.outcome-mastered::before { background: #22c55e; }
#crm-teaching-session-modal .tsv-related-link:hover { color: var(--tsv-ink); text-decoration-color: currentColor; }

/* Problems */
#crm-teaching-session-modal .tsv-filters { position: static; display: flex; gap: 6px; margin-bottom: 12px; padding: 0; background: none; border: none; box-shadow: none; backdrop-filter: none; }
#crm-teaching-session-modal .tsv-problem-list { display: flex; flex-direction: column; gap: 10px; }
#crm-teaching-session-modal .tsv-problem {
  border: 1px solid var(--tsv-line); border-left: 4px solid #cbd5e1; border-radius: 12px; background: #fff;
  transition: box-shadow 0.2s var(--tsv-ease), border-color 0.2s;
  scroll-margin: 24px;
}
#crm-teaching-session-modal .tsv-problem.sev-critical { border-left-color: #ef4444; }
#crm-teaching-session-modal .tsv-problem.sev-warning { border-left-color: #f59e0b; }
#crm-teaching-session-modal .tsv-problem:hover { box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06); }
#crm-teaching-session-modal .tsv-problem.is-live,
#crm-teaching-session-modal .tsv-topic.is-live .tsv-topic-body { box-shadow: var(--tsv-live-ring); border-radius: 12px; }
#crm-teaching-session-modal .tsv-problem-summary {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px; cursor: pointer; list-style: none;
}
#crm-teaching-session-modal .tsv-problem-summary::-webkit-details-marker { display: none; }
#crm-teaching-session-modal .tsv-problem-title { flex: 1; min-width: 0; font-size: 14.5px; color: var(--tsv-ink); text-align: left; }
#crm-teaching-session-modal .tsv-chevron { color: #94a3b8; font-size: 18px; transition: transform 0.2s var(--tsv-ease); }
#crm-teaching-session-modal .tsv-problem[open] .tsv-chevron { transform: rotate(90deg); }
#crm-teaching-session-modal .tsv-problem-body { padding: 0 14px 14px; }
#crm-teaching-session-modal .tsv-compare {
  display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 10px; align-items: stretch;
}
#crm-teaching-session-modal .tsv-compare:not(:has(.is-before)),
#crm-teaching-session-modal .tsv-compare:not(:has(.is-after)) { grid-template-columns: minmax(0, 1fr); }
#crm-teaching-session-modal .tsv-compare-side { padding: 10px 12px; border-radius: 10px; }
#crm-teaching-session-modal .tsv-compare-side small {
  display: block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 3px;
}
#crm-teaching-session-modal .tsv-compare-side p { margin: 0; font-size: 14px; line-height: 1.55; }
#crm-teaching-session-modal .tsv-compare-side.is-before { background: #fef2f2; color: #7f1d1d; }
#crm-teaching-session-modal .tsv-compare-side.is-before small { color: #b91c1c; }
#crm-teaching-session-modal .tsv-compare-side.is-before p { font-style: italic; }
#crm-teaching-session-modal .tsv-compare-side.is-after { background: #f0fdf4; color: #14532d; }
#crm-teaching-session-modal .tsv-compare-side.is-after small { color: #15803d; }
#crm-teaching-session-modal .tsv-compare-arrow { align-self: center; color: #94a3b8; }
#crm-teaching-session-modal .tsv-evidence {
  display: flex; gap: 8px; align-items: flex-start; margin: 10px 0 0; font-size: 13px; color: var(--tsv-muted);
}
#crm-teaching-session-modal .crm-problems-list[data-active-filter="critical"] .tsv-problem:not([data-severity="critical"]),
#crm-teaching-session-modal .crm-problems-list[data-active-filter="practice"] .tsv-problem:not([data-outcome="practice"]) { display: none; }

/* Next-lesson side panel */
#crm-teaching-session-modal .tsv-briefing-aside {
  position: sticky; top: 0; padding: 18px; border-radius: 16px;
  background: linear-gradient(180deg, #f5f7ff 0%, #fbfbff 100%); border: 1px solid #e0e7ff;
  scroll-margin-top: 12px;
}
#crm-teaching-session-modal .tsv-briefing-aside h3 { color: #312e81; margin-bottom: 14px; }
#crm-teaching-session-modal .tsv-next-block + .tsv-next-block { margin-top: 16px; padding-top: 16px; border-top: 1px solid #e0e7ff; }
#crm-teaching-session-modal .tsv-next-block h4 {
  margin: 0 0 8px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #4338ca;
}
#crm-teaching-session-modal .tsv-next-list { margin: 0; padding-left: 18px; font-size: 13.5px; line-height: 1.55; color: var(--tsv-ink); }
#crm-teaching-session-modal .tsv-next-list li + li { margin-top: 4px; }
#crm-teaching-session-modal .tsv-hw-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
#crm-teaching-session-modal .tsv-hw-tools label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--tsv-muted); white-space: nowrap; }
#crm-teaching-session-modal .tsv-hw-tools input { height: 28px; padding: 2px 6px; font-size: 12px; width: 128px; }
#crm-teaching-session-modal .tsv-hw-tools .crm-btn-create-all-tasks { padding: 4px 10px; font-size: 12px; white-space: nowrap; }
#crm-teaching-session-modal .tsv-hw-list { display: flex; flex-direction: column; gap: 6px; }
#crm-teaching-session-modal .tsv-hw-item {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 8px;
  padding: 8px 10px; border-radius: 10px; background: #fff; border: 1px solid #e0e7ff;
}
#crm-teaching-session-modal .tsv-hw-item .crm-checklist-text { margin: 0; font-size: 13px; line-height: 1.5; color: var(--tsv-ink); }
#crm-teaching-session-modal .tsv-hw-item .crm-btn-create-task { padding: 2px 8px; font-size: 11px; font-weight: 600; white-space: nowrap; flex-shrink: 0; }
#crm-teaching-session-modal .tsv-hw-item.is-created { background: #f0fdf4; border-color: #bbf7d0; }
#crm-teaching-session-modal .tsv-hw-done { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; color: #166534; white-space: nowrap; }
#crm-teaching-session-modal .tsv-hw-done .tsv-icon { width: 13px; height: 13px; }

/* ── Soft studio surfaces, badges and motion (shared by Flowchart, Timeline, Mindmap) ── */
#crm-teaching-session-modal {
  --tsv-mesh:
    radial-gradient(70% 90% at 0% 0%, rgba(16, 185, 129, 0.09), transparent 60%),
    radial-gradient(55% 80% at 100% 0%, rgba(99, 102, 241, 0.08), transparent 62%),
    radial-gradient(70% 70% at 60% 120%, rgba(14, 165, 233, 0.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
  --tsv-card-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 10px 28px -14px rgba(15, 23, 42, 0.22);
  --tsv-card-shadow-hover: 0 2px 4px rgba(15, 23, 42, 0.05), 0 18px 40px -16px rgba(15, 23, 42, 0.3);
  --tsv-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes tsvRise { from { opacity: 0; transform: translateY(10px) scale(0.985); } to { opacity: 1; transform: none; } }
@keyframes tsvFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes tsvDraw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes tsvTravel { from { stroke-dashoffset: 1.1; } to { stroke-dashoffset: 0; } }
@keyframes tsvReveal { from { clip-path: inset(0 100% 0 0 round 12px); } to { clip-path: inset(0 0 0 0 round 12px); } }
@keyframes tsvPop { 0% { scale: 0; } 70% { scale: 1.18; } 100% { scale: 1; } }
@keyframes tsvHalo { 0%, 100% { box-shadow: 0 0 0 0 var(--halo), 0 2px 6px rgba(15, 23, 42, 0.2); } 50% { box-shadow: 0 0 0 7px transparent, 0 2px 6px rgba(15, 23, 42, 0.2); } }
@keyframes tsvBreathe { 0%, 100% { opacity: 0.55; } 50% { opacity: 1; } }

#crm-teaching-session-modal .tsv-badge {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 9px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--b1), var(--b2));
  box-shadow: 0 6px 14px -6px var(--b2), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
#crm-teaching-session-modal .tsv-badge .tsv-icon { width: 14px; height: 14px; vertical-align: 0; }
#crm-teaching-session-modal .tsv-badge.tone-topic { --b1: #38bdf8; --b2: #0284c7; }
#crm-teaching-session-modal .tsv-badge.tone-slate { --b1: #94a3b8; --b2: #475569; }
#crm-teaching-session-modal .tsv-badge.tone-fix,
#crm-teaching-session-modal .tsv-badge.tone-mastered { --b1: #34d399; --b2: #059669; }
#crm-teaching-session-modal .tsv-badge.tone-partial,
#crm-teaching-session-modal .tsv-badge.tone-sev-warning { --b1: #fbbf24; --b2: #d97706; }
#crm-teaching-session-modal .tsv-badge.tone-practice { --b1: #f87171; --b2: #dc2626; }
#crm-teaching-session-modal .tsv-badge.tone-sev-critical { --b1: #fb7185; --b2: #e11d48; }
#crm-teaching-session-modal .tsv-badge.tone-sev-minor { --b1: #cbd5e1; --b2: #64748b; }
#crm-teaching-session-modal .tsv-badge.tone-next { --b1: #818cf8; --b2: #4f46e5; }

/* ── Flowchart (data-driven) ── */
#crm-teaching-session-modal #teaching-session-flowchart-container.has-tsv-flow { display: block; height: auto; overflow: visible; cursor: default; user-select: text; }
#crm-teaching-session-modal #teaching-session-view-flowchart.has-tsv-flow .crm-diagram-stage {
  background: transparent; border: none; height: auto; min-height: 0; max-height: none; overflow: visible;
}
#crm-teaching-session-modal #teaching-session-view-flowchart.has-tsv-flow .crm-diagram-toolbar { display: none; }
#crm-teaching-session-modal .tsv-flow {
  padding: 16px 20px 22px; border-radius: 22px; background: var(--tsv-mesh);
  border: 1px solid rgba(226, 232, 240, 0.85); box-shadow: inset 0 1px 0 #fff;
}
#crm-teaching-session-modal .tsv-flow-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap;
}
#crm-teaching-session-modal .tsv-seg {
  display: inline-flex; padding: 4px; gap: 2px; border-radius: 12px;
  background: rgba(241, 245, 249, 0.8); border: 1px solid rgba(226, 232, 240, 0.9); backdrop-filter: blur(8px);
}
#crm-teaching-session-modal .tsv-seg button {
  border: none; background: transparent; padding: 6px 14px; border-radius: 9px; font-size: 12.5px; font-weight: 600;
  color: var(--tsv-muted); cursor: pointer; font-family: inherit; transition: background 0.2s, color 0.2s, box-shadow 0.25s var(--tsv-ease);
}
#crm-teaching-session-modal .tsv-seg button:hover:not(.is-active) { color: var(--tsv-ink); }
#crm-teaching-session-modal .tsv-seg button.is-active {
  background: #fff; color: var(--tsv-ink); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 12px -4px rgba(15, 23, 42, 0.18);
}
#crm-teaching-session-modal .tsv-hint { font-size: 12px; color: var(--tsv-muted); }
#crm-teaching-session-modal .tsv-flow-canvas { position: relative; overflow-x: auto; padding: 2px 2px 8px; }
#crm-teaching-session-modal .tsv-flow-links { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; z-index: 0; }
#crm-teaching-session-modal .tsv-flow-link {
  fill: none; stroke-width: 2.5; stroke-linecap: round; opacity: 0.8;
  transition: opacity 0.25s, stroke-width 0.25s var(--tsv-ease);
}
#crm-teaching-session-modal .tsv-flow-link.is-carry { stroke-dasharray: 0.02 0.025; opacity: 0.7; }
#crm-teaching-session-modal .tsv-flow-links.is-drawing .tsv-flow-link:not(.is-carry) {
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: tsvDraw 0.7s var(--tsv-ease) forwards; animation-delay: calc(0.25s + var(--step, 0) * 0.16s);
}
#crm-teaching-session-modal .tsv-flow-links.is-drawing .tsv-flow-link.is-carry,
#crm-teaching-session-modal .tsv-flow-links.is-drawing .tsv-flow-port { opacity: 0; animation: tsvFadeIn 0.5s ease-out 0.85s forwards; }
#crm-teaching-session-modal .tsv-flow-pulse {
  fill: none; stroke-width: 3.5; stroke-linecap: round; stroke-dasharray: 0.1 1; opacity: 0;
  filter: drop-shadow(0 0 4px currentColor); transition: opacity 0.25s;
  animation: tsvTravel 1.6s linear infinite;
}
#crm-teaching-session-modal .tsv-flow-pulse.is-carry { opacity: 0.7; animation-duration: 2.4s; }
#crm-teaching-session-modal .tsv-flow-port { stroke-width: 2; transition: opacity 0.25s; }

#crm-teaching-session-modal .tsv-flow-grid {
  position: relative; z-index: 1; display: grid; gap: 14px 34px; min-width: 900px;
  grid-template-columns: minmax(150px, 0.9fr) minmax(190px, 1.25fr) minmax(170px, 1.1fr) minmax(140px, 0.85fr) minmax(190px, 1fr);
  align-items: center;
}
#crm-teaching-session-modal .tsv-flow-grid.no-next { grid-template-columns: minmax(150px, 0.9fr) minmax(190px, 1.25fr) minmax(170px, 1.1fr) minmax(140px, 0.85fr); min-width: 700px; }
#crm-teaching-session-modal .tsv-flow-col-head {
  grid-row: 1; align-self: end; display: flex; align-items: center; gap: 8px; padding-bottom: 8px; position: relative;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--tsv-muted);
  animation: tsvFadeIn 0.5s ease-out both;
}
#crm-teaching-session-modal .tsv-flow-col-head span {
  width: 20px; height: 20px; border-radius: 7px; display: grid; place-items: center; font-size: 10.5px; letter-spacing: 0;
  background: #fff; color: var(--tsv-ink); border: 1px solid var(--tsv-line); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
#crm-teaching-session-modal .tsv-flow-col-head::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.45), rgba(148, 163, 184, 0));
}

#crm-teaching-session-modal .tsv-flow-node {
  --acc: #cbd5e1;
  position: relative; display: flex; flex-direction: column; gap: 7px; padding: 12px 14px 13px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.9); border: 1px solid rgba(226, 232, 240, 0.95);
  font-size: 13px; line-height: 1.5; color: var(--tsv-text); cursor: pointer; outline: none;
  box-shadow: var(--tsv-card-shadow); backdrop-filter: blur(6px);
  animation: tsvRise 0.55s var(--tsv-ease) both; animation-delay: calc(var(--i, 0) * 55ms);
  transition: opacity 0.25s, transform 0.3s var(--tsv-ease), box-shadow 0.3s var(--tsv-ease), border-color 0.25s;
}
#crm-teaching-session-modal .tsv-flow-node::before {
  content: ''; position: absolute; top: -1px; left: 16px; right: 16px; height: 3px; border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--acc), transparent); opacity: 0.9;
}
#crm-teaching-session-modal .tsv-flow-node:focus-visible { box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.35), var(--tsv-card-shadow); }
#crm-teaching-session-modal .tsv-flow-node strong { color: var(--tsv-ink); font-size: 13.5px; line-height: 1.4; }
#crm-teaching-session-modal .tsv-flow-node p { margin: 0; }
#crm-teaching-session-modal .tsv-flow-head { display: flex; align-items: center; gap: 8px; min-width: 0; }
#crm-teaching-session-modal .tsv-flow-node q {
  display: block; quotes: none; font-style: italic; color: #9f1239; font-size: 12.5px; line-height: 1.45;
  padding: 6px 10px; border-radius: 10px; background: linear-gradient(135deg, #fff1f2, #fff7f7);
}
#crm-teaching-session-modal .tsv-flow-node q::before { content: '“'; }
#crm-teaching-session-modal .tsv-flow-node q::after { content: '”'; }
#crm-teaching-session-modal .tsv-flow-node.kind-topic { --acc: #0ea5e9; align-self: stretch; justify-content: center; }
#crm-teaching-session-modal .tsv-flow-node.kind-other { --acc: #94a3b8; align-self: stretch; justify-content: center; }
#crm-teaching-session-modal .tsv-flow-node.kind-problem[data-severity="critical"] { --acc: #f43f5e; }
#crm-teaching-session-modal .tsv-flow-node.kind-problem[data-severity="warning"] { --acc: #f59e0b; }
#crm-teaching-session-modal .tsv-flow-node.kind-fix { --acc: #10b981; }
#crm-teaching-session-modal .tsv-flow-node.kind-fix p { color: var(--tsv-ink); font-size: 13px; }
#crm-teaching-session-modal .tsv-flow-node.kind-outcome strong { font-size: 14px; }
#crm-teaching-session-modal .tsv-flow-node.outcome-mastered { --acc: #10b981; background: linear-gradient(140deg, rgba(236, 253, 245, 0.95), rgba(255, 255, 255, 0.92) 70%); border-color: #bbf7d0; }
#crm-teaching-session-modal .tsv-flow-node.outcome-mastered strong { color: #047857; }
#crm-teaching-session-modal .tsv-flow-node.outcome-partial { --acc: #f59e0b; background: linear-gradient(140deg, rgba(255, 251, 235, 0.95), rgba(255, 255, 255, 0.92) 70%); border-color: #fde68a; }
#crm-teaching-session-modal .tsv-flow-node.outcome-partial strong { color: #b45309; }
#crm-teaching-session-modal .tsv-flow-node.outcome-practice { --acc: #ef4444; background: linear-gradient(140deg, rgba(254, 242, 242, 0.95), rgba(255, 255, 255, 0.92) 70%); border-color: #fecaca; }
#crm-teaching-session-modal .tsv-flow-node.outcome-practice strong { color: #b91c1c; }
#crm-teaching-session-modal .tsv-flow-node.kind-next {
  --acc: #6366f1; align-self: center; gap: 10px; padding: 14px 16px 16px; cursor: default; color: #312e81;
  background: linear-gradient(160deg, rgba(238, 242, 255, 0.98), rgba(255, 255, 255, 0.94) 65%); border-color: #c7d2fe;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 18px 40px -18px rgba(79, 70, 229, 0.45);
}
#crm-teaching-session-modal .tsv-next-head { display: flex; align-items: center; gap: 9px; }
#crm-teaching-session-modal .tsv-flow-node.kind-next strong { color: #312e81; font-size: 14.5px; }
#crm-teaching-session-modal .tsv-next-group { padding-top: 8px; border-top: 1px solid rgba(199, 210, 254, 0.7); }
#crm-teaching-session-modal .tsv-flow-node.kind-next .tsv-flow-kicker { color: #4f46e5; opacity: 1; }
#crm-teaching-session-modal .tsv-flow-node.kind-next ul { margin: 4px 0 0; padding: 0; list-style: none; }
#crm-teaching-session-modal .tsv-flow-node.kind-next li { position: relative; padding-left: 14px; font-size: 12.5px; line-height: 1.5; color: var(--tsv-ink); }
#crm-teaching-session-modal .tsv-flow-node.kind-next li::before {
  content: ''; position: absolute; left: 2px; top: 0.6em; width: 5px; height: 5px; border-radius: 50%; background: #818cf8;
}
#crm-teaching-session-modal .tsv-flow-tag { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: #0369a1; }
#crm-teaching-session-modal .tsv-flow-kicker {
  display: inline-flex; align-items: center; gap: 5px; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: #047857;
}
#crm-teaching-session-modal .tsv-flow-time {
  display: inline-flex; align-items: center; gap: 4px; align-self: flex-start; padding: 2px 9px 2px 7px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; color: #0369a1; font-variant-numeric: tabular-nums;
  background: rgba(224, 242, 254, 0.75); border: 1px solid rgba(186, 230, 253, 0.9); transition: background 0.2s;
}
#crm-teaching-session-modal .tsv-flow-time .tsv-icon { width: 10px; height: 10px; vertical-align: 0; }
#crm-teaching-session-modal .tsv-flow-node:hover .tsv-flow-time { background: #e0f2fe; }
#crm-teaching-session-modal .tsv-flow-none {
  display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #047857; padding: 10px 14px; border-radius: 12px;
  background: rgba(236, 253, 245, 0.6); border: 1px dashed #a7f3d0; animation: tsvRise 0.5s var(--tsv-ease) both;
  animation-delay: calc(var(--i, 0) * 55ms);
}
#crm-teaching-session-modal .tsv-flow-node:hover { transform: translateY(-2px); box-shadow: var(--tsv-card-shadow-hover); }
#crm-teaching-session-modal .tsv-flow-node.is-pinned { box-shadow: 0 0 0 2px var(--acc), var(--tsv-card-shadow-hover); }
#crm-teaching-session-modal .tsv-flow-node.is-live { box-shadow: var(--tsv-live-ring); }
#crm-teaching-session-modal .tsv-flow.is-tracing [data-chains]:not(.is-traced) { opacity: 0.18; }
#crm-teaching-session-modal .tsv-flow.is-tracing .tsv-flow-node.is-traced { box-shadow: 0 0 0 1.5px var(--acc), var(--tsv-card-shadow-hover); }
#crm-teaching-session-modal .tsv-flow.is-tracing .tsv-flow-link.is-traced { opacity: 1; stroke-width: 3; }
#crm-teaching-session-modal .tsv-flow.is-tracing .tsv-flow-pulse.is-traced { opacity: 0.9; }
#crm-teaching-session-modal .tsv-flow [data-chains].is-filtered-out { opacity: 0.14; filter: saturate(0.4); }

/* ── Timeline tab ── */
#crm-teaching-session-modal .tsv-tl { max-width: 1120px; margin: 0 auto; }
#crm-teaching-session-modal .tsv-tl-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
#crm-teaching-session-modal .tsv-tl-head h3 { margin: 0; font-size: 19px; color: var(--tsv-ink); letter-spacing: -0.01em; }
#crm-teaching-session-modal .tsv-tl-head p { margin: 4px 0 0; font-size: 13px; color: var(--tsv-muted); }
#crm-teaching-session-modal .tsv-tl-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 12px; color: var(--tsv-text); }
#crm-teaching-session-modal .tsv-tl-legend span {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 8px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.85); border: 1px solid var(--tsv-line);
}
#crm-teaching-session-modal .tsv-tl-legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
#crm-teaching-session-modal .tsv-tl-legend i.is-topic { border-radius: 3px; width: 14px; background: linear-gradient(90deg, #38bdf8, #0284c7); }
#crm-teaching-session-modal .tsv-tl-legend i.is-practice { background: #ef4444; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18); }
#crm-teaching-session-modal .tsv-tl-legend i.is-partial { background: #f59e0b; box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18); }
#crm-teaching-session-modal .tsv-tl-legend i.is-mastered { background: #10b981; box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18); }
#crm-teaching-session-modal .tsv-follow { display: inline-flex; align-items: center; gap: 6px; margin-left: 6px; cursor: pointer; color: var(--tsv-text); font-weight: 500; }
#crm-teaching-session-modal .tsv-follow input { accent-color: var(--tsv-brand); }
#crm-teaching-session-modal .tsv-tl-chart {
  display: grid; grid-template-columns: 108px minmax(0, 1fr); grid-template-rows: 24px 54px 46px; row-gap: 8px;
  padding: 16px 20px 18px; border-radius: 22px; margin-bottom: 22px;
  background: var(--tsv-mesh); border: 1px solid rgba(226, 232, 240, 0.85); box-shadow: inset 0 1px 0 #fff, var(--tsv-card-shadow);
  animation: tsvFadeIn 0.4s ease-out both;
}
#crm-teaching-session-modal .tsv-tl-lane-label {
  grid-column: 1; display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; color: var(--tsv-muted);
}
#crm-teaching-session-modal .tsv-tl-axis,
#crm-teaching-session-modal .tsv-tl-track,
#crm-teaching-session-modal .tsv-tl-overlay { grid-column: 2; position: relative; }
#crm-teaching-session-modal .tsv-tl-axis { cursor: pointer; }
#crm-teaching-session-modal .tsv-tl-axis span {
  position: absolute; bottom: 4px; transform: translateX(-50%); font-size: 10.5px; font-weight: 500; color: #94a3b8; font-variant-numeric: tabular-nums;
}
#crm-teaching-session-modal .tsv-tl-axis span::after {
  content: ''; position: absolute; left: 50%; top: calc(100% + 3px); width: 1px; height: 5px; background: #cbd5e1;
}
#crm-teaching-session-modal .tsv-tl-axis span:first-child { transform: none; }
#crm-teaching-session-modal .tsv-tl-axis span:first-child::after { left: 0; }
#crm-teaching-session-modal .tsv-tl-track {
  cursor: pointer; border-radius: 14px; background:
    repeating-linear-gradient(90deg, transparent 0 calc(10% - 1px), rgba(203, 213, 225, 0.35) calc(10% - 1px) 10%),
    rgba(241, 245, 249, 0.55);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}
#crm-teaching-session-modal .tsv-tl-track.is-points::before {
  content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 2px; transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.1), rgba(148, 163, 184, 0.4), rgba(148, 163, 184, 0.1));
}
#crm-teaching-session-modal .tsv-tl-seg {
  --g1: #38bdf8; --g2: #0284c7;
  position: absolute; top: 5px; bottom: 5px; border: none; border-radius: 12px; padding: 0 12px; cursor: pointer;
  color: #fff; font-size: 12.5px; font-weight: 600; text-align: left; overflow: hidden; font-family: inherit;
  background: linear-gradient(135deg, var(--g1), var(--g2));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 8px 18px -10px var(--g2);
  text-shadow: 0 1px 1px rgba(15, 23, 42, 0.2);
  animation: tsvReveal 0.8s var(--tsv-ease) both; animation-delay: calc(0.1s + var(--i, 0) * 0.12s);
  transition: filter 0.2s, transform 0.25s var(--tsv-ease), box-shadow 0.25s;
}
#crm-teaching-session-modal .tsv-tl-seg::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 55%);
}
#crm-teaching-session-modal .tsv-tl-seg + .tsv-tl-seg { border-left: 2px solid rgba(255, 255, 255, 0.9); }
#crm-teaching-session-modal .tsv-tl-seg span { position: relative; z-index: 1; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#crm-teaching-session-modal .tsv-tl-seg.tone-1 { --g1: #2dd4bf; --g2: #0d9488; }
#crm-teaching-session-modal .tsv-tl-seg.tone-2 { --g1: #818cf8; --g2: #4f46e5; }
#crm-teaching-session-modal .tsv-tl-seg.tone-3 { --g1: #22d3ee; --g2: #0891b2; }
#crm-teaching-session-modal .tsv-tl-seg.tone-4 { --g1: #c084fc; --g2: #7c3aed; }
#crm-teaching-session-modal .tsv-tl-seg.tone-5 { --g1: #34d399; --g2: #059669; }
#crm-teaching-session-modal .tsv-tl-seg:hover { filter: brightness(1.06) saturate(1.05); transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 14px 24px -12px var(--g2); }
#crm-teaching-session-modal .tsv-tl-seg.is-live { box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.9), 0 0 0 5px rgba(2, 132, 199, 0.45), 0 12px 24px -10px var(--g2); }
#crm-teaching-session-modal .tsv-tl-dot {
  --c: #ef4444; --halo: rgba(239, 68, 68, 0.45);
  position: absolute; top: 50%; width: 16px; height: 16px; border-radius: 50%; padding: 0; cursor: pointer; z-index: 1;
  transform: translate(-50%, -50%); background: #fff; border: 4px solid var(--c);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c) 18%, transparent), 0 2px 6px rgba(15, 23, 42, 0.2);
  animation: tsvPop 0.5s var(--tsv-spring) both; animation-delay: calc(0.45s + var(--i, 0) * 0.09s);
  transition: scale 0.2s var(--tsv-spring);
}
#crm-teaching-session-modal .tsv-tl-dot.outcome-partial { --c: #f59e0b; --halo: rgba(245, 158, 11, 0.45); }
#crm-teaching-session-modal .tsv-tl-dot.outcome-mastered { --c: #10b981; --halo: rgba(16, 185, 129, 0.45); }
#crm-teaching-session-modal .tsv-tl-dot.outcome-practice {
  animation: tsvPop 0.5s var(--tsv-spring) both, tsvHalo 2.4s ease-in-out 1.2s infinite;
  animation-delay: calc(0.45s + var(--i, 0) * 0.09s), 1.2s;
}
#crm-teaching-session-modal .tsv-tl-dot.sev-critical { width: 20px; height: 20px; }
#crm-teaching-session-modal .tsv-tl-dot:hover,
#crm-teaching-session-modal .tsv-tl-dot.is-live { scale: 1.3; }
#crm-teaching-session-modal .tsv-tl-overlay { pointer-events: none; }
#crm-teaching-session-modal .tsv-tl-playhead {
  position: absolute; top: -2px; bottom: -6px; width: 2px; transform: translateX(-1px); border-radius: 2px;
  background: linear-gradient(180deg, var(--tsv-live), rgba(2, 132, 199, 0.15));
  box-shadow: 0 0 12px rgba(2, 132, 199, 0.55);
}
#crm-teaching-session-modal .tsv-tl-playhead::before {
  content: ''; position: absolute; top: -5px; left: 50%; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--tsv-live); transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.18), 0 0 14px rgba(2, 132, 199, 0.5);
}
#crm-teaching-session-modal .tsv-tl-hover { position: absolute; top: 0; bottom: 0; width: 0; border-left: 1px dashed rgba(15, 23, 42, 0.35); }
#crm-teaching-session-modal .tsv-tl-hover span {
  position: absolute; top: -24px; left: 0; transform: translateX(-50%); background: var(--tsv-ink); color: #fff;
  font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 7px; font-variant-numeric: tabular-nums; white-space: nowrap;
  box-shadow: 0 6px 14px -4px rgba(15, 23, 42, 0.45);
}
#crm-teaching-session-modal .tsv-tl-list { list-style: none; margin: 0; padding: 0; position: relative; }
#crm-teaching-session-modal .tsv-tl-list::before {
  content: ''; position: absolute; left: 106px; top: 18px; bottom: 18px; width: 2px; border-radius: 2px;
  background: linear-gradient(180deg, #7dd3fc, #c4b5fd 50%, #6ee7b7); opacity: 0.6;
}
#crm-teaching-session-modal .tsv-tl-item {
  position: relative; display: grid; grid-template-columns: 82px 32px minmax(0, 1fr) auto; gap: 12px; align-items: start;
  margin-bottom: 4px; padding: 12px 14px 12px 0; border-radius: 16px; border: 1px solid transparent;
  animation: tsvRise 0.5s var(--tsv-ease) both; animation-delay: calc(0.15s + var(--i, 0) * 60ms);
  transition: background 0.25s, box-shadow 0.25s var(--tsv-ease), border-color 0.25s;
}
#crm-teaching-session-modal .tsv-tl-item:hover { background: rgba(255, 255, 255, 0.95); border-color: var(--tsv-line); box-shadow: var(--tsv-card-shadow); }
#crm-teaching-session-modal .tsv-tl-item.is-live {
  background: linear-gradient(90deg, rgba(224, 242, 254, 0.85), rgba(255, 255, 255, 0.95) 60%); border-color: #bae6fd;
  box-shadow: 0 10px 28px -16px rgba(2, 132, 199, 0.55);
}
#crm-teaching-session-modal .tsv-tl-time {
  justify-self: end; margin-top: 3px; display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px 3px 7px; border-radius: 999px;
  border: 1px solid var(--tsv-line); background: #fff; font-size: 12px; font-weight: 600; color: var(--tsv-text);
  font-variant-numeric: tabular-nums; cursor: pointer; font-family: inherit; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
#crm-teaching-session-modal .tsv-tl-time .tsv-icon { width: 10px; height: 10px; color: var(--tsv-live); vertical-align: 0; }
#crm-teaching-session-modal .tsv-tl-time:hover:not(:disabled) { border-color: #7dd3fc; background: #f0f9ff; color: #0369a1; }
#crm-teaching-session-modal .tsv-tl-time:disabled { cursor: default; opacity: 0.7; }
#crm-teaching-session-modal .tsv-tl-time.is-none { border: none; background: none; box-shadow: none; color: #cbd5e1; }
#crm-teaching-session-modal .tsv-tl-kind {
  --b1: #38bdf8; --b2: #0284c7;
  position: relative; z-index: 1; width: 32px; height: 32px; border-radius: 11px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--b1), var(--b2));
  box-shadow: 0 0 0 4px #fff, 0 8px 16px -8px var(--b2), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
#crm-teaching-session-modal .tsv-tl-kind .tsv-icon { vertical-align: 0; }
#crm-teaching-session-modal .tsv-tl-item.kind-problem .tsv-tl-kind { --b1: #f87171; --b2: #dc2626; }
#crm-teaching-session-modal .tsv-tl-item.kind-problem.outcome-partial .tsv-tl-kind { --b1: #fbbf24; --b2: #d97706; }
#crm-teaching-session-modal .tsv-tl-item.kind-problem.outcome-mastered .tsv-tl-kind { --b1: #34d399; --b2: #059669; }
#crm-teaching-session-modal .tsv-tl-item.is-live .tsv-tl-kind { box-shadow: 0 0 0 4px #fff, 0 0 0 7px rgba(2, 132, 199, 0.25), 0 8px 16px -8px var(--b2); }
#crm-teaching-session-modal .tsv-tl-text { min-width: 0; padding-top: 5px; }
#crm-teaching-session-modal .tsv-tl-text strong { display: block; font-size: 14.5px; color: var(--tsv-ink); line-height: 1.4; }
#crm-teaching-session-modal .tsv-tl-text em {
  font-style: normal; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: #0369a1;
  padding: 2px 7px; margin-right: 6px; border-radius: 6px; background: #e0f2fe; vertical-align: 1px;
}
#crm-teaching-session-modal .tsv-tl-text q {
  display: inline-block; quotes: none; margin-top: 6px; padding: 4px 10px; border-radius: 10px;
  font-size: 13px; font-style: italic; color: #9f1239; background: linear-gradient(135deg, #fff1f2, #fff7f7);
}
#crm-teaching-session-modal .tsv-tl-text q::before { content: '“'; }
#crm-teaching-session-modal .tsv-tl-text q::after { content: '”'; }
#crm-teaching-session-modal .tsv-tl-text p { margin: 6px 0 0; font-size: 13px; color: var(--tsv-muted); line-height: 1.55; }
#crm-teaching-session-modal .tsv-tl-text p b { color: #047857; font-weight: 600; }
#crm-teaching-session-modal .tsv-tl-item .tsv-outcome { margin-top: 6px; }
#crm-teaching-session-modal .tsv-tl-subhead { margin: 24px 0 8px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--tsv-muted); }

@media (prefers-reduced-motion: reduce) {
  #crm-teaching-session-modal .tsv-flow-node,
  #crm-teaching-session-modal .tsv-flow-none,
  #crm-teaching-session-modal .tsv-flow-col-head,
  #crm-teaching-session-modal .tsv-flow-links.is-drawing *,
  #crm-teaching-session-modal .tsv-flow-pulse,
  #crm-teaching-session-modal .tsv-tl-chart,
  #crm-teaching-session-modal .tsv-tl-seg,
  #crm-teaching-session-modal .tsv-tl-dot,
  #crm-teaching-session-modal .tsv-tl-item,
  #crm-teaching-session-modal svg.crm-ts-mm-svg * { animation: none !important; }
  #crm-teaching-session-modal .tsv-flow-links.is-drawing .tsv-flow-link { stroke-dasharray: none; }
  #crm-teaching-session-modal .tsv-flow-links.is-drawing .tsv-flow-link.is-carry { stroke-dasharray: 0.02 0.025; opacity: 0.7; }
  #crm-teaching-session-modal .tsv-flow-links.is-drawing .tsv-flow-port { opacity: 1; }
}

/* ── Data view ── */
#crm-teaching-session-modal #teaching-session-view-json.has-tsv-data .teaching-session-json-code { display: none; }
#crm-teaching-session-modal .tsv-data-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px;
}
#crm-teaching-session-modal .tsv-data-bar p { margin: 0; font-size: 13px; color: var(--tsv-muted); }
#crm-teaching-session-modal .tsv-data-bar div { display: flex; gap: 6px; }
#crm-teaching-session-modal .tsv-data-bar button { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; font-size: 12px; }
#crm-teaching-session-modal .tsv-json-tree {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; line-height: 1.7;
  padding: 14px 16px; border-radius: 12px; background: #fbfcfe; border: 1px solid var(--tsv-line); overflow-x: auto;
}
#crm-teaching-session-modal .tsv-json-branch > summary { cursor: pointer; list-style: none; }
#crm-teaching-session-modal .tsv-json-branch > summary::-webkit-details-marker { display: none; }
#crm-teaching-session-modal .tsv-json-branch > summary::before { content: '▸'; display: inline-block; width: 14px; color: #94a3b8; transition: transform 0.15s; }
#crm-teaching-session-modal .tsv-json-branch[open] > summary::before { transform: rotate(90deg); }
#crm-teaching-session-modal .tsv-json-children { padding-left: 18px; border-left: 1px dashed #e2e8f0; margin-left: 6px; }
#crm-teaching-session-modal .tsv-json-leaf { padding-left: 14px; white-space: pre-wrap; word-break: break-word; }
#crm-teaching-session-modal .tsv-json-key { color: #6d28d9; }
#crm-teaching-session-modal .tsv-json-colon { color: #94a3b8; }
#crm-teaching-session-modal .tsv-json-meta { color: #94a3b8; font-size: 11.5px; }
#crm-teaching-session-modal .tsv-json-val.is-string { color: #047857; }
#crm-teaching-session-modal .tsv-json-val.is-number { color: #b45309; }
#crm-teaching-session-modal .tsv-json-val.is-boolean,
#crm-teaching-session-modal .tsv-json-val.is-null { color: #2563eb; }

/* ── Mindmap polish ── */
@keyframes tsvGrow { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
@keyframes tsvFade { from { opacity: 0.35; } to { opacity: 1; } }
#crm-teaching-session-modal svg.crm-ts-mm-svg.is-fresh { animation: tsvGrow 0.45s var(--tsv-ease); transform-origin: center; }
#crm-teaching-session-modal svg.crm-ts-mm-svg.is-regrown { animation: tsvFade 0.3s ease-out; }
#crm-teaching-session-modal svg.crm-ts-mm-svg g.mindmap-node.is-live > path.node-bkg,
#crm-teaching-session-modal svg.crm-ts-mm-svg g.mindmap-node.is-live > circle.label-container {
  stroke: var(--tsv-live) !important; stroke-width: 4px !important; filter: drop-shadow(0 0 10px rgba(2, 132, 199, 0.55));
}
#crm-teaching-session-modal .crm-ts-mm-legend {
  position: absolute; left: 14px; bottom: 12px; z-index: 15; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px;
  max-width: calc(100% - 28px); padding: 7px 12px; border-radius: 12px; font-size: 11.5px; color: var(--tsv-text);
  background: rgba(255, 255, 255, 0.92); border: 1px solid var(--tsv-line); backdrop-filter: blur(10px);
  pointer-events: none;
}
#crm-teaching-session-modal .crm-ts-mm-legend-item { display: inline-flex; align-items: center; gap: 5px; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i { width: 11px; height: 11px; border-radius: 4px; display: inline-block; border: 2px solid transparent; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-root { background: #177a44; border-radius: 50%; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-concept { background: #fff; border-color: #10b981; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-problem { background: #fff7ed; border-color: #fdba74; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-mastered { background: #ecfdf5; border-color: #10b981; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-partial { background: #fffbeb; border-color: #f59e0b; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-practice { background: #fef2f2; border-color: #ef4444; }
#crm-teaching-session-modal .crm-ts-mm-legend-item i.is-next { background: #4f46e5; }
#crm-teaching-session-modal .crm-ts-mm-legend-hint { color: var(--tsv-muted); padding-left: 10px; border-left: 1px solid var(--tsv-line); }

/* Hover card: light, readable, no code font */
#crm-teaching-session-modal .crm-ts-mm-tooltip {
  background: #fff !important; color: var(--tsv-text) !important; border: 1px solid var(--tsv-line) !important;
  border-radius: 12px !important; box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16) !important;
  padding: 10px 12px !important; max-width: 300px; font-size: 13px; z-index: 30;
}
#crm-teaching-session-modal .crm-ts-mm-tip-kind { color: var(--tsv-muted) !important; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
#crm-teaching-session-modal .crm-ts-mm-tip-text { color: var(--tsv-ink) !important; font-weight: 600; font-size: 13.5px; margin-top: 4px; line-height: 1.45; }
#crm-teaching-session-modal .crm-ts-mm-tip-time { font-family: inherit !important; color: #0369a1 !important; font-size: 12px; margin-top: 6px; font-weight: 600; }
#crm-teaching-session-modal .crm-ts-mm-tip-solution { color: #166534 !important; background: #f0fdf4; border-radius: 8px; padding: 6px 8px; margin-top: 6px; font-size: 12.5px; }

/* Side panel */
#crm-teaching-session-modal .crm-ts-mm-detail-panel {
  border-radius: 16px; border: 1px solid var(--tsv-line); box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
}
#crm-teaching-session-modal .crm-ts-mm-quote { background: #fef2f2; color: #7f1d1d; border-left-color: #ef4444; font-style: italic; border-radius: 8px; }
#crm-teaching-session-modal .crm-ts-mm-solution { background: #f0fdf4; color: #14532d; border-radius: 8px; }