/* =========================================================
   TMM READER 0.1 — Shell + Media + Segment Reader
   ========================================================= */

:root {
  --reader-header-h: 62px;
  --reader-media-w: 318px;
  --reader-content-max: 950px;
  --reader-rail-w: 54px;
  --reader-gap: 22px;
}

html, body { min-height: 100%; }
body.reader-page {
  margin: 0;
  color: var(--tmm-ink, #172033);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
}

.reader-page #toolbar.reader-toolbar {
  height: var(--reader-header-h);
  min-height: var(--reader-header-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 0 18px;
  box-sizing: border-box;
  border-bottom: 1px solid var(--tmm-border, rgba(148,163,184,.28));
  background: color-mix(in oklab, var(--tmm-surface, #fff) 92%, transparent);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 2000;
}

.reader-brand-wrap { min-width: 118px; }
.reader-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  line-height: .88;
}
.reader-brand-mark { width: 28px; height: 28px; display: block; }
.reader-brand-name { font-weight: 800; font-size: 13px; letter-spacing: -.02em; }
.reader-toolbar .tab-bar { justify-self: start; }
.reader-nav-pill { min-height: 38px; }
.reader-nav-right { display: flex; align-items: center; gap: 10px; min-width: 0; }
.reader-source-file {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--tmm-muted, #64748b);
  font-size: 12px;
}

.reader-app {
  height: calc(100vh - var(--reader-header-h));
  box-sizing: border-box;
  overflow: hidden;
}

.reader-empty-state {
  min-height: 70vh;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  gap: 12px;
  padding: 48px 24px;
}
.reader-empty-state[hidden] { display: none; }
.reader-empty-icon { font-size: 42px; }
.reader-empty-state h1 { margin: 0; font-size: clamp(28px, 4vw, 42px); }
.reader-empty-state p { max-width: 620px; margin: 0; color: var(--tmm-muted, #64748b); line-height: 1.65; }
.reader-primary-link {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 18px; border-radius: 12px;
  background: var(--tmm-theme-accent-ink, #2563eb); color: white; text-decoration: none; font-weight: 700;
}

.reader-workspace {
  height: 100%;
  display: grid;
  grid-template-columns: var(--reader-media-w) minmax(0, 1fr);
  gap: 0;
}
.reader-workspace[hidden] { display: none; }

.reader-media-column {
  overflow-y: auto;
  padding: 22px 18px 32px;
  box-sizing: border-box;
  border-right: 1px solid var(--tmm-border, rgba(148,163,184,.26));
  background: color-mix(in oklab, var(--tmm-surface, #fff) 76%, transparent);
  scrollbar-width: thin;
}

.reader-side-heading, .reader-section-heading, .reader-stream-toolbar {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.reader-side-heading { margin-bottom: 14px; }
.reader-side-heading h1 {
  margin: 4px 0 0;
  max-width: 210px;
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: -.02em;
}
.reader-kicker {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
  color: var(--tmm-muted, #64748b);
}
.reader-status-pill, .reader-time-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 26px; padding: 0 9px; border-radius: 999px;
  border: 1px solid var(--tmm-border, #d7dee8);
  background: color-mix(in oklab, var(--tmm-surface, #fff) 88%, transparent);
  color: var(--tmm-muted, #64748b);
  font-size: 11px; font-weight: 700; white-space: nowrap;
}

.reader-video-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 16px;
  background: #111827;
  border: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 82%, #111827 18%);
  box-shadow: 0 12px 30px rgba(15,23,42,.12);
}
.reader-video-poster, .reader-youtube-player, .reader-youtube-player iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}
.reader-video-poster {
  display: grid; place-items: center;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  background-size: cover; background-position: center;
}
.reader-video-poster-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(2,6,23,.42), rgba(2,6,23,.08)); }
.reader-big-play {
  position: relative; z-index: 1;
  width: 58px; height: 58px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,.94); color: #0f172a; font-size: 22px; cursor: pointer;
  box-shadow: 0 10px 28px rgba(0,0,0,.24);
}
.reader-video-message {
  position: absolute; z-index: 2; left: 14px; right: 14px; bottom: 14px;
  border-radius: 10px; padding: 9px 10px; background: rgba(15,23,42,.82); color: white;
  font-size: 11px; line-height: 1.45;
}

.reader-current-meta {
  display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
  padding: 13px 2px 11px;
}
.reader-current-meta > div:first-child { min-width: 0; display: grid; gap: 2px; }
.reader-current-meta strong { font-size: 14px; }
.reader-current-meta span { color: var(--tmm-muted, #64748b); font-size: 11px; }
.reader-current-position { display: grid; justify-items: end; gap: 2px; white-space: nowrap; }

.reader-media-actions { display: grid; grid-template-columns: 1.2fr .8fr .9fr; gap: 7px; }
.reader-action-btn, .reader-ghost-btn {
  appearance: none; border: 1px solid var(--tmm-border, #d7dee8);
  background: color-mix(in oklab, var(--tmm-surface, #fff) 90%, transparent);
  color: var(--tmm-ink, #172033); border-radius: 10px; cursor: pointer;
  min-height: 38px; padding: 0 9px; font: inherit; font-size: 11px; font-weight: 700;
  display: inline-flex; gap: 6px; align-items: center; justify-content: center;
}
.reader-action-btn:hover, .reader-ghost-btn:hover { background: var(--tmm-surface-soft, #f1f5f9); }
.reader-action-btn--primary { border-color: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 44%, var(--tmm-border, #d7dee8)); color: var(--tmm-theme-accent-ink, #1d4ed8); }
.reader-action-btn--toggle[aria-pressed="true"] {
  background: var(--tmm-theme-accent-soft, #edf3ff);
  border-color: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 48%, var(--tmm-border, #d7dee8));
  color: var(--tmm-theme-accent-ink, #1d4ed8);
}
.reader-action-btn:disabled { opacity: .45; cursor: not-allowed; }
.reader-playback-hint { margin: 8px 2px 0; color: var(--tmm-muted, #64748b); font-size: 11px; }
.reader-playback-hint.is-continuous { color: #166534; font-weight: 650; }

.reader-follow-row { margin: 13px 0 0; padding-top: 12px; border-top: 1px solid var(--tmm-border, rgba(148,163,184,.22)); }
.reader-switch { display: flex; align-items: center; gap: 9px; cursor: pointer; font-size: 12px; font-weight: 650; }
.reader-switch input { position: absolute; opacity: 0; pointer-events: none; }
.reader-switch-track { width: 32px; height: 18px; border-radius: 999px; background: #cbd5e1; padding: 2px; box-sizing: border-box; transition: .16s ease; }
.reader-switch-track span { display: block; width: 14px; height: 14px; border-radius: 50%; background: white; transition: transform .16s ease; box-shadow: 0 1px 3px rgba(15,23,42,.2); }
.reader-switch input:checked + .reader-switch-track { background: var(--tmm-theme-accent-ink, #2563eb); }
.reader-switch input:checked + .reader-switch-track span { transform: translateX(14px); }

.reader-timeline-card {
  margin-top: 18px;
  border: 1px solid var(--tmm-border, #d7dee8);
  background: color-mix(in oklab, var(--tmm-surface, #fff) 74%, transparent);
  border-radius: 14px;
  padding: 12px;
}
.reader-section-heading strong { display: block; font-size: 12px; }
.reader-section-heading > div > span { display: block; margin-top: 3px; color: var(--tmm-muted, #64748b); font-size: 10px; line-height: 1.35; }
.reader-local-timeline { position: relative; min-height: 84px; margin-top: 12px; overflow: hidden; }
.reader-timeline-axis { position: absolute; left: 0; right: 0; top: 36px; height: 1px; background: var(--tmm-border, #d7dee8); }
.reader-timeline-now { position: absolute; top: 7px; bottom: 4px; width: 1px; background: var(--tmm-theme-accent-ink, #2563eb); z-index: 4; }
.reader-timeline-block {
  position: absolute; top: 22px; height: 28px; min-width: 4px; border: 0; border-radius: 7px;
  opacity: .72; cursor: pointer; padding: 0; transition: opacity .12s ease, transform .12s ease;
}
.reader-timeline-block:hover, .reader-timeline-block.is-current { opacity: 1; transform: translateY(-2px); }
.reader-timeline-speaker {
  position: absolute; top: 57px; font-size: 9px; font-weight: 700; color: var(--tmm-muted, #64748b);
  max-width: 88px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.reader-timeline-empty { display: grid; place-items: center; min-height: 72px; color: var(--tmm-muted, #64748b); font-size: 11px; text-align: center; }

.reader-main-column { min-width: 0; height: 100%; overflow: hidden; display: flex; flex-direction: column; }
.reader-stream-toolbar {
  min-height: 66px;
  box-sizing: border-box;
  padding: 13px 24px 12px;
  align-items: center;
  border-bottom: 1px solid var(--tmm-border, rgba(148,163,184,.22));
  background: color-mix(in oklab, var(--tmm-surface, #fff) 78%, transparent);
  backdrop-filter: blur(14px);
  z-index: 20;
}
.reader-stream-heading > div { margin-top: 3px; color: var(--tmm-muted, #64748b); font-size: 12px; }
.reader-stream-heading strong { color: var(--tmm-ink, #172033); }
.reader-stream-controls { display: flex; align-items: center; gap: 9px; }
.reader-inline-switch {
  display: inline-flex; align-items: center; padding: 3px; border-radius: 10px;
  background: var(--tmm-surface-soft, #f1f5f9); border: 1px solid var(--tmm-border, #d7dee8);
}
.reader-inline-switch button {
  border: 0; background: transparent; color: var(--tmm-muted, #64748b); border-radius: 7px;
  min-height: 30px; padding: 0 10px; cursor: pointer; font-size: 11px; font-weight: 750;
}
.reader-inline-switch button.is-active { background: var(--tmm-surface, #fff); color: var(--tmm-ink, #172033); box-shadow: 0 1px 4px rgba(15,23,42,.08); }
.reader-ghost-btn { min-height: 36px; }

.reader-stage {
  flex: 1;
  overflow-y: auto;
  position: relative;
  display: grid;
  grid-template-columns: var(--reader-rail-w) minmax(0, var(--reader-content-max)) var(--reader-rail-w);
  justify-content: center;
  column-gap: 14px;
  padding: 24px 30px 100px;
  box-sizing: border-box;
  scrollbar-width: thin;
  scroll-behavior: smooth;
}
.reader-future-rail { position: relative; align-self: stretch; min-height: 100%; pointer-events: none; }
.reader-future-rail::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 1px;
  background: color-mix(in oklab, var(--tmm-border, #d7dee8) 64%, transparent);
}
.reader-future-rail--macro::after { right: 8px; }
.reader-future-rail--relations::after { left: 8px; }
.reader-future-rail > span {
  position: sticky; top: 8px; display: inline-flex; min-width: 28px; min-height: 22px; align-items: center; justify-content: center;
  border: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 65%, transparent);
  background: color-mix(in oklab, var(--tmm-surface, #fff) 72%, transparent);
  color: color-mix(in oklab, var(--tmm-muted, #64748b) 64%, transparent);
  border-radius: 999px; font-size: 9px; font-weight: 800; letter-spacing: .04em;
}
.reader-future-rail--macro > span { float: right; }
.reader-future-rail--relations > span { float: left; }

.reader-segments { min-width: 0; }
.reader-segment {
  position: relative;
  margin: 0 0 18px;
  border: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 76%, transparent);
  border-radius: 18px;
  background: color-mix(in oklab, var(--tmm-surface, #fff) 78%, transparent);
  box-shadow: 0 6px 18px rgba(15,23,42,.035);
  transition: border-color .14s ease, box-shadow .14s ease, background .14s ease, transform .14s ease;
  overflow: clip;
}
.reader-segment:hover { border-color: var(--tmm-border-strong, #cbd5e1); }
.reader-segment.is-current {
  border-color: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 45%, var(--tmm-border, #d7dee8));
  background: color-mix(in oklab, var(--tmm-theme-accent-soft, #edf3ff) 52%, var(--tmm-surface, #fff));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 9%, transparent), 0 12px 28px rgba(15,23,42,.06);
}
.reader-segment-header {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 18px 9px;
}
.reader-segment-identity { min-width: 0; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.reader-segment-id {
  display: inline-flex; align-items: center; justify-content: center; min-height: 26px; padding: 0 9px;
  border-radius: 999px; background: color-mix(in oklab, var(--tmm-theme-accent-soft, #edf3ff) 74%, var(--tmm-surface, #fff));
  border: 1px solid color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 34%, var(--tmm-border, #d7dee8));
  color: var(--tmm-theme-accent-ink, #1d4ed8); font-size: 11px; font-weight: 800;
}
.reader-segment-speaker { font-size: 15px; font-weight: 800; letter-spacing: -.01em; }
.reader-segment-role { color: var(--tmm-muted, #64748b); font-size: 11px; }
.reader-segment-actions { display: flex; align-items: center; gap: 8px; }
.reader-segment-time { color: var(--tmm-muted, #64748b); font-size: 10px; white-space: nowrap; }
.reader-segment-play {
  appearance: none; border: 1px solid var(--tmm-border, #d7dee8); background: color-mix(in oklab, var(--tmm-surface, #fff) 86%, transparent);
  color: var(--tmm-ink, #172033); border-radius: 999px; cursor: pointer; min-height: 30px; padding: 0 10px;
  font-size: 10px; font-weight: 750;
}
.reader-segment-play:hover { background: var(--tmm-surface-soft, #f1f5f9); }
.reader-segment-play:disabled { opacity: .4; cursor: not-allowed; }
.reader-segment-body { padding: 6px 18px 17px; }
.reader-segment-text {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(19px, 1.6vw, 25px);
  line-height: 1.48;
  letter-spacing: -.012em;
  text-wrap: pretty;
}
.reader-segment-translation {
  display: none;
  margin-top: 13px;
  padding: 12px 14px 0 17px;
  border-top: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 70%, transparent);
  color: var(--tmm-muted, #64748b);
  font-size: 14px;
  line-height: 1.55;
}
.reader-page.is-bilingual .reader-segment-translation { display: flex; gap: 9px; align-items: flex-start; }
.reader-lang-pill {
  flex: 0 0 auto; display: inline-flex; min-width: 28px; min-height: 21px; align-items: center; justify-content: center;
  border: 1px solid var(--tmm-border, #d7dee8); border-radius: 999px; background: color-mix(in oklab, var(--tmm-surface, #fff) 86%, transparent);
  color: var(--tmm-muted, #64748b); font-size: 9px; font-weight: 800;
}
.reader-segment-footer {
  display: flex; align-items: center; gap: 7px; flex-wrap: wrap;
  margin-top: 14px; color: var(--tmm-muted, #64748b); font-size: 10px;
}
.reader-meta-chip {
  display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 80%, transparent);
  background: color-mix(in oklab, var(--tmm-surface, #fff) 78%, transparent);
}
.reader-no-translation { font-style: italic; opacity: .72; }

@media (max-width: 1120px) {
  :root { --reader-media-w: 286px; --reader-rail-w: 38px; }
  .reader-stage { padding-inline: 18px; column-gap: 8px; }
  .reader-source-file { display: none; }
  .reader-media-actions { grid-template-columns: 1fr 1fr; }
  .reader-action-btn--primary { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  body.reader-page { overflow: auto; }
  .reader-app { height: auto; overflow: visible; }
  .reader-workspace { display: block; height: auto; }
  .reader-media-column { position: relative; border-right: 0; border-bottom: 1px solid var(--tmm-border, #d7dee8); max-height: none; overflow: visible; }
  .reader-main-column { height: auto; overflow: visible; }
  .reader-stage { max-height: none; overflow: visible; grid-template-columns: 20px minmax(0,1fr) 20px; padding-inline: 10px; }
  .reader-future-rail > span { display: none; }
  .reader-toolbar { grid-template-columns: auto 1fr auto !important; }
  .reader-brand-name { display: none; }
  .reader-brand-wrap { min-width: 34px; }
}

/* =========================================================
   TMM READER 0.2 — Annotation layer + Annotation-style R# renderer
   ========================================================= */

:root {
  --reader-macro-rail-w: 54px;
  --reader-relation-rail-w: 176px;
}

.reader-stage {
  grid-template-columns: var(--reader-macro-rail-w) minmax(0, var(--reader-content-max)) var(--reader-relation-rail-w);
}

.reader-layer-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-wrap: wrap;
}

.reader-control-label {
  color: var(--tmm-muted, #64748b);
  font-size: 10px;
  font-weight: 750;
  white-space: nowrap;
}

.reader-layer-toggle,
.reader-relation-filter {
  min-height: 32px;
  border: 1px solid var(--tmm-border, #d7dee8);
  background: color-mix(in oklab, var(--tmm-surface, #fff) 88%, transparent);
  color: var(--tmm-muted, #64748b);
  border-radius: 9px;
  font: inherit;
  font-size: 10px;
  font-weight: 750;
}

.reader-layer-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 9px;
  cursor: pointer;
}

.reader-layer-toggle:hover,
.reader-relation-filter:hover {
  border-color: var(--tmm-border-strong, #cbd5e1);
  color: var(--tmm-ink, #172033);
}

.reader-layer-toggle.is-active {
  background: var(--tmm-theme-accent-soft, #edf3ff);
  border-color: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 34%, var(--tmm-border, #d7dee8));
  color: var(--tmm-theme-accent-ink, #1d4ed8);
}

.reader-layer-toggle:disabled { opacity: .45; cursor: not-allowed; }

.reader-relation-filter-wrap {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.reader-relation-filter {
  max-width: 142px;
  padding: 0 27px 0 9px;
  cursor: pointer;
}

.reader-annotations {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 74%, transparent);
}

.reader-annotations[hidden],
.reader-hide-annotations .reader-annotations { display: none !important; }

.reader-annotation {
  position: relative;
  margin-left: calc(18px + (var(--reader-hierarchy-depth, 0) * 27px));
  border-left: 2px solid color-mix(in oklab, var(--tmm-border-strong, #cbd5e1) 78%, transparent);
  border-radius: 0 12px 12px 0;
  background: color-mix(in oklab, var(--tmm-surface-soft, #f1f5f9) 48%, transparent);
  padding: 9px 18px 9px 11px;
  transition: background .12s ease, border-color .12s ease, box-shadow .12s ease, opacity .12s ease;
}

.reader-annotation:hover,
.reader-annotation.is-hovered {
  background: color-mix(in oklab, var(--tmm-theme-accent-soft, #edf3ff) 38%, var(--tmm-surface, #fff));
  border-left-color: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 48%, var(--tmm-border-strong, #cbd5e1));
}

.reader-annotation.is-focused,
.reader-annotation.is-relation-endpoint {
  background: color-mix(in oklab, var(--tmm-theme-accent-soft, #edf3ff) 52%, var(--tmm-surface, #fff));
  border-left-color: var(--tmm-theme-accent-ink, #2563eb);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 13%, transparent);
}

/* Reader 0.4B — annotation/tag hierarchy (subtagLinks).
   Only the left edge is indented; the right relation port stays aligned in the
   discourse-relation corridor, so hierarchy never distorts R# geometry. */
.reader-annotation.is-hierarchy-child {
  background: color-mix(in oklab, var(--tmm-surface-soft, #f1f5f9) 42%, transparent);
}

.reader-annotation.is-hierarchy-child::before {
  content: "";
  position: absolute;
  left: -15px;
  top: -9px;
  width: 12px;
  height: 24px;
  border-left: 1px solid color-mix(in oklab, var(--tmm-border-strong, #cbd5e1) 72%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--tmm-border-strong, #cbd5e1) 72%, transparent);
  border-radius: 0 0 0 7px;
  pointer-events: none;
}

.reader-hierarchy-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  flex: 0 0 14px;
  color: color-mix(in oklab, var(--tmm-muted, #64748b) 76%, transparent);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  transform: translateY(-1px);
}


.reader-annotation-head {
  min-height: 27px;
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  position: relative;
  padding-right: 12px;
}

.reader-annotation-id {
  color: var(--tmm-muted, #64748b);
  font-size: 10px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.reader-tag {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 0 9px;
  border-radius: 5px;
  background: var(--reader-tag-color, #dbeafe);
  color: #173047;
  box-shadow: inset 0 0 0 1px rgba(15,23,42,.07);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.15;
}

.reader-tag-en,
.reader-general-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 25px;
  border: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 82%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--tmm-surface, #fff) 80%, transparent);
  color: var(--tmm-muted, #64748b);
  padding: 0 8px;
  font-size: 9.5px;
  font-weight: 650;
}

.reader-general-tag > span:first-child {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--tmm-surface-soft, #f1f5f9);
  font-size: 8px;
  font-weight: 900;
}

.reader-ann-port {
  position: absolute;
  right: -24px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 1.8px solid #87a1bd;
  background: var(--tmm-surface, #fff);
  z-index: 8;
  transition: border-color .12s ease, box-shadow .12s ease, transform .12s ease;
}

.reader-annotation.is-focused .reader-ann-port,
.reader-annotation.is-relation-endpoint .reader-ann-port {
  border-color: var(--tmm-theme-accent-ink, #2563eb);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 13%, transparent);
  transform: translateY(-50%) scale(1.08);
}

.reader-annotation-content {
  margin-top: 6px;
  color: var(--tmm-ink, #172033);
  font-size: 12px;
  line-height: 1.45;
}

.reader-annotation-translation {
  display: none;
  gap: 7px;
  align-items: flex-start;
  margin-top: 6px;
  color: var(--tmm-muted, #64748b);
  font-size: 11px;
  line-height: 1.45;
}

.reader-page.is-bilingual .reader-annotation-translation { display: flex; }

.reader-annotation-span {
  border-radius: 3px;
  transition: background-color .1s ease, box-shadow .1s ease;
}

.reader-annotation-span.is-hovered {
  background: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 12%, transparent);
}

.reader-annotation-span.is-focused,
.reader-annotation-span.is-relation-endpoint {
  background: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 16%, transparent);
  box-shadow: inset 0 -2px 0 color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 42%, transparent);
}

.reader-relation-layer {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 7;
}

.reader-relation-group {
  pointer-events: none;
  opacity: .72;
  transition: opacity .12s ease;
}

.reader-relation-group.is-active { opacity: 1; }
.reader-relation-group.is-dimmed { opacity: .17; }

.reader-relation-path {
  fill: none;
  stroke-width: 1.65;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .83;
}

.reader-relation-group.is-active .reader-relation-path { stroke-width: 2.35; opacity: 1; }

.reader-relation-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 14;
  pointer-events: stroke;
  cursor: pointer;
}

.reader-relation-source-dot { opacity: .72; }

.reader-relation-label {
  pointer-events: all;
  cursor: pointer;
  opacity: .94;
  transition: opacity .12s ease;
}

/* TMM READER 0.6A2 — relation label collision management. */
.reader-relation-label.is-active { opacity: 1; }
.reader-relation-label.is-dimmed { opacity: .17; }
.reader-relation-label.is-crowded rect {
  fill: var(--tmm-surface, #fff);
  filter: drop-shadow(0 1px 3px rgba(15,23,42,.10));
}

.reader-relation-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 97%, transparent);
  stroke: color-mix(in oklab, currentColor 24%, var(--tmm-border, #d7dee8));
  stroke-width: 1;
  filter: drop-shadow(0 1px 2px rgba(15,23,42,.07));
}

.reader-relation-label text {
  font-family: Inter, system-ui, sans-serif;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.reader-relation-group.is-active .reader-relation-label rect,
.reader-relation-label.is-active rect {
  stroke-width: 1.4;
  fill: var(--tmm-surface, #fff);
}

.reader-hide-relations .reader-relation-layer { display: none; }

@media (max-width: 1320px) {
  :root { --reader-relation-rail-w: 142px; }
  .reader-stream-toolbar { padding-inline: 16px; }
  .reader-stream-controls { flex-wrap: wrap; justify-content: flex-end; }
}

@media (max-width: 1120px) {
  :root { --reader-macro-rail-w: 38px; --reader-relation-rail-w: 116px; }
  .reader-relation-label text { font-size: 8.5px; }
}

@media (max-width: 900px) {
  :root { --reader-macro-rail-w: 0px; --reader-relation-rail-w: 0px; }
  .reader-stage { grid-template-columns: minmax(0, 1fr); }
  .reader-future-rail, .reader-relation-layer { display: none !important; }
  .reader-segments { grid-column: 1; }
  .reader-ann-port { display: none; }
}

/* =========================================================
   TMM READER 0.3 — Macrostructure gutter M#
   Chronological macrostructure lanes on the left side of the reader.
   Containment and M↔M discourse relations arrive in Reader 0.4.
   ========================================================= */

:root {
  --reader-macro-rail-w: 118px;
}

.reader-macro-filter { max-width: 132px; }

.reader-macro-layer {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 8;
}

.reader-macro-group {
  pointer-events: none;
  opacity: .58;
  transition: opacity .12s ease;
}

.reader-macro-group.is-active { opacity: 1; }
.reader-macro-group.is-dimmed { opacity: .13; }

.reader-macro-spine,
.reader-macro-branch {
  fill: none;
  stroke-width: 1.55;
  vector-effect: non-scaling-stroke;
}

.reader-macro-spine.is-gap {
  stroke-dasharray: 2.5 5.5;
  opacity: .56;
}

.reader-macro-spine--single { stroke-linecap: round; }
.reader-macro-branch { opacity: .68; }
.reader-macro-member-dot { opacity: .82; }

.reader-macro-label {
  pointer-events: all;
  cursor: pointer;
}

.reader-macro-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 94%, transparent);
  stroke: color-mix(in oklab, currentColor 32%, var(--tmm-border, #d7dee8));
  stroke-width: 1;
  filter: drop-shadow(0 1px 2px rgba(15,23,42,.07));
}

.reader-macro-label text {
  font-family: Inter, system-ui, sans-serif;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: -.01em;
}

.reader-macro-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 14;
  pointer-events: stroke;
  cursor: pointer;
}

.reader-macro-group.is-active .reader-macro-spine,
.reader-macro-group.is-active .reader-macro-branch {
  stroke-width: 2.2;
}

.reader-macro-group.is-active .reader-macro-label rect { stroke-width: 1.5; }

.reader-annotation.is-macro-member {
  background: color-mix(in oklab, var(--tmm-theme-accent-soft, #edf3ff) 38%, var(--tmm-surface, #fff));
  box-shadow: inset 3px 0 0 color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 36%, transparent);
}

.reader-annotation-span.is-macro-member {
  background: color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 10%, transparent);
  box-shadow: inset 0 -1px 0 color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 28%, transparent);
}

.reader-hide-macros .reader-macro-layer { display: none; }

.reader-future-rail--macro {
  color: var(--tmm-muted, #64748b);
}

@media (max-width: 1320px) {
  :root { --reader-macro-rail-w: 96px; }
}

@media (max-width: 1120px) {
  :root { --reader-macro-rail-w: 76px; }
  .reader-macro-label text { font-size: 8.5px; }
}

@media (max-width: 900px) {
  :root { --reader-macro-rail-w: 0px; }
  .reader-macro-layer { display: none !important; }
}

/* =========================================================
   TMM READER 0.4 — Macro containment + M↔M discourse relations
   Parent macrostructures occupy outer lanes; containment is shown
   geometrically, while discourse relations use a separate soft rail.
   ========================================================= */

:root {
  --reader-macro-rail-w: 178px;
}

.reader-layer-toggle--macro-rel > span:first-child {
  font-size: 9px;
  letter-spacing: -.03em;
}

.reader-macro-relation-filter { max-width: 124px; }

.reader-macro-relation-layer {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 6;
}

.reader-macro-relation-group,
.reader-macro-containment-group {
  pointer-events: none;
  opacity: .52;
  transition: opacity .12s ease;
}

.reader-macro-relation-group.is-active,
.reader-macro-containment-group.is-active { opacity: 1; }

.reader-macro-relation-group.is-dimmed,
.reader-macro-containment-group.is-dimmed { opacity: .10; }

.reader-macro-relation-path {
  fill: none;
  stroke-width: 2.15;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  opacity: .76;
}

.reader-macro-relation-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 15;
  pointer-events: stroke;
  cursor: pointer;
}

.reader-macro-relation-label {
  pointer-events: all;
  cursor: pointer;
}

.reader-macro-relation-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 95%, transparent);
  stroke-width: 1;
  filter: drop-shadow(0 1px 2px rgba(15,23,42,.07));
}

.reader-macro-relation-label text {
  font-family: Inter, system-ui, sans-serif;
  font-size: 8.2px;
  font-weight: 780;
  letter-spacing: -.012em;
}

.reader-macro-relation-group.is-active .reader-macro-relation-path {
  stroke-width: 3;
  opacity: .95;
}

.reader-macro-relation-group.is-active .reader-macro-relation-label rect {
  stroke-width: 1.5;
}

.reader-macro-containment-link {
  fill: none;
  stroke-width: 1.25;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: .58;
}

.reader-macro-containment-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 12;
  pointer-events: stroke;
  cursor: pointer;
}

.reader-macro-containment-group.is-active .reader-macro-containment-link {
  stroke-width: 2;
  opacity: .95;
}

.reader-macro-group[data-containment-rank="1"] .reader-macro-label rect,
.reader-macro-group[data-containment-rank="2"] .reader-macro-label rect,
.reader-macro-group[data-containment-rank="3"] .reader-macro-label rect {
  stroke-dasharray: 0;
}

.reader-hide-macro-relations .reader-macro-relation-layer { display: none; }

@media (max-width: 1320px) {
  :root { --reader-macro-rail-w: 150px; }
}

@media (max-width: 1120px) {
  :root { --reader-macro-rail-w: 118px; }
  .reader-macro-relation-label text { font-size: 7.8px; }
}

@media (max-width: 900px) {
  :root { --reader-macro-rail-w: 0px; }
  .reader-macro-relation-layer { display: none !important; }
}


@media (max-width: 900px) {
  .reader-annotation {
    margin-left: calc(12px + (var(--reader-hierarchy-depth, 0) * 20px));
  }
}

/* =========================================================
   TMM READER 0.6B — Macro hierarchy geometry + density
   Containment organizes lane bands; direct membership stays explicit,
   inherited membership is carried by the hierarchy itself.
   ========================================================= */

.reader-macro-group.is-hierarchy-context {
  opacity: .82;
}

.reader-macro-group[data-containment-rank="1"] .reader-macro-spine,
.reader-macro-group[data-containment-rank="2"] .reader-macro-spine,
.reader-macro-group[data-containment-rank="3"] .reader-macro-spine,
.reader-macro-group[data-containment-rank="4"] .reader-macro-spine {
  stroke-width: 1.75;
}

.reader-macro-containment-link {
  opacity: .72;
}

.reader-macro-containment-link--end {
  opacity: .48;
}

.reader-macro-containment-group.is-active .reader-macro-containment-link--end {
  opacity: .86;
}

.reader-macro-continuation-label {
  opacity: .92;
}

.reader-macro-continuation-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 96%, transparent);
  stroke: color-mix(in oklab, currentColor 24%, var(--tmm-border, #d7dee8));
  stroke-width: 1;
  filter: drop-shadow(0 1px 2px rgba(15,23,42,.06));
}

.reader-macro-continuation-label text {
  font-size: 8.5px;
  font-weight: 820;
  fill: currentColor;
}

.reader-macro-group.is-active .reader-macro-continuation-label rect {
  stroke-width: 1.4;
}

@media (min-width: 1321px) {
  :root { --reader-macro-rail-w: 188px; }
}


/* =========================================================
   TMM READER 0.6B1 — Containment legibility polish
   Stronger hierarchy spacing, visible parent→child brackets and
   readable viewport continuation badges.
   ========================================================= */

.reader-macro-containment-link {
  stroke-width: 2.15;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .92;
  filter: drop-shadow(0 1px 1px rgba(72, 53, 24, .08));
}

.reader-macro-containment-link--start {
  opacity: 1;
}

.reader-macro-containment-link--end {
  opacity: .70;
}

.reader-macro-containment-node {
  fill: var(--tmm-surface, #fffaf0);
  stroke-width: 1.8;
  opacity: .98;
}

.reader-macro-containment-group.is-active .reader-macro-containment-link,
.reader-macro-containment-group.is-active .reader-macro-containment-node {
  stroke-width: 2.6;
  opacity: 1;
}

.reader-macro-continuation-label {
  opacity: 1;
}

.reader-macro-continuation-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 99%, currentColor 1%);
  stroke: color-mix(in oklab, currentColor 56%, var(--tmm-border, #d7dee8));
  stroke-width: 1.25;
  filter: drop-shadow(0 2px 4px rgba(15,23,42,.10));
}

.reader-macro-continuation-label text {
  font-size: 9.5px;
  font-weight: 860;
  letter-spacing: .01em;
  fill: currentColor;
}

@media (min-width: 1321px) {
  :root { --reader-macro-rail-w: 208px; }
}

@media (min-width: 1121px) and (max-width: 1320px) {
  :root { --reader-macro-rail-w: 166px; }
}


/* =========================================================
   TMM READER 0.6B2 — Explicit containment brackets
   A three-sided bracket between parent and child lanes makes
   nesting visible without hover, tooltip or colour decoding.
   ========================================================= */

.reader-macro-containment-group {
  opacity: .98;
}

.reader-macro-containment-bracket,
.reader-macro-containment-tooth {
  fill: none;
  stroke-width: 2.45;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  opacity: .96;
  filter: drop-shadow(0 1px 1px rgba(72, 53, 24, .10));
}

.reader-macro-containment-bracket {
  stroke-width: 2.7;
}

.reader-macro-containment-tooth {
  opacity: .9;
}

.reader-macro-containment-node {
  fill: var(--tmm-surface, #fff);
  stroke-width: 2;
}

.reader-macro-containment-glyph {
  pointer-events: none;
  opacity: .9;
}

.reader-macro-containment-glyph rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 94%, currentColor 6%);
  stroke: color-mix(in oklab, currentColor 48%, var(--tmm-border, #d7dee8));
  stroke-width: .8;
}

.reader-macro-containment-glyph text {
  font-family: Inter, system-ui, sans-serif;
  font-size: 9px;
  font-weight: 850;
  fill: currentColor;
}

.reader-macro-containment-group.is-active .reader-macro-containment-bracket,
.reader-macro-containment-group.is-active .reader-macro-containment-tooth {
  stroke-width: 3.2;
  opacity: 1;
}

.reader-macro-containment-group.is-dimmed {
  opacity: .16;
}

@media (min-width: 1321px) {
  :root { --reader-macro-rail-w: 224px; }
}

@media (min-width: 1121px) and (max-width: 1320px) {
  :root { --reader-macro-rail-w: 176px; }
}


/* =========================================================
   TMM READER 0.6C — Performance + stability
   Keep the long reader stable without changing its visual language.
   Geometry is cached in JS; these rules prevent browser scroll anchoring
   from fighting the Reader's explicit segment-anchor restoration.
   ========================================================= */
.reader-stage {
  scrollbar-gutter: stable;
  overscroll-behavior-y: contain;
  overflow-anchor: none;
}
.reader-segments,
.reader-segment {
  overflow-anchor: none;
}

/* =========================================================
   TMM READER 0.8A — Shell + Left Panel Cleanup
   Compact Reader tab, native-looking video surface, scalable
   speaker timeline legend, grouped stream controls, no x-scroll.
   ========================================================= */

/* 0.8A.1 — Reader identity pill: keep it visually aligned with the
   rest of TMM instead of reading as a large hero control. */
.reader-page #toolbar .reader-nav-pill {
  min-height: 34px;
  height: 34px;
  padding: 0 13px;
  gap: 7px;
  font-size: 14px;
  line-height: 1;
  box-shadow: 0 1px 4px rgba(15,23,42,.045);
}
.reader-page #toolbar .reader-nav-pill .tab-icon {
  font-size: 13px;
  line-height: 1;
}

/* 0.8A.2 — The poster itself is the click target.  No custom circular
   play button is layered over YouTube's own player controls. */
.reader-video-poster[hidden],
.reader-youtube-player[hidden] { display: none !important; }
.reader-video-poster.is-playable { cursor: pointer; }
.reader-video-poster.is-playable:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 55%, transparent);
  outline-offset: -3px;
}
.reader-video-poster-overlay {
  background: linear-gradient(to top, rgba(2,6,23,.26), rgba(2,6,23,.015));
  pointer-events: none;
}
.reader-big-play { display: none !important; }

/* 0.8A.3 — Speaker timeline: geometry stays in one uncluttered track;
   speaker names live in a wrapping legend below it. */
.reader-local-timeline {
  min-height: 0;
  margin-top: 11px;
  overflow: visible;
}
.reader-timeline-track {
  position: relative;
  height: 58px;
  overflow: hidden;
}
.reader-timeline-axis {
  top: 29px;
}
.reader-timeline-now {
  top: 4px;
  bottom: 4px;
}
.reader-timeline-block {
  top: 15px;
  height: 28px;
}
.reader-timeline-speaker { display: none !important; }
.reader-timeline-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 10px;
  padding-top: 8px;
  margin-top: 3px;
  border-top: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 62%, transparent);
}
.reader-timeline-legend-item {
  min-width: 0;
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--tmm-muted, #64748b);
  font-size: 9px;
  font-weight: 650;
  line-height: 1.25;
}
.reader-timeline-legend-item i {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--tmm-border, #d7dee8) 58%, transparent);
}
.reader-timeline-legend-item > span {
  display: block;
  max-width: 118px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.reader-timeline-legend-item.is-current {
  color: var(--tmm-ink, #172033);
  font-weight: 800;
}
.reader-timeline-legend-item.is-current i {
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--tmm-surface, #fff) 88%, transparent),
              0 0 0 3px color-mix(in oklab, var(--tmm-theme-accent-ink, #2563eb) 32%, transparent);
}

/* 0.8A.7 — Stream controls are now three functional clusters rather
   than one uninterrupted run of equally weighted pills. */
.reader-stream-toolbar {
  min-height: 78px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 9px 20px 10px;
}
.reader-stream-heading {
  align-self: center;
  min-width: 104px;
}
.reader-stream-controls {
  min-width: 0;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: 11px;
}
.reader-control-group {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 4px;
}
.reader-control-group + .reader-control-group {
  padding-left: 11px;
  border-left: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 68%, transparent);
}
.reader-control-group-title {
  color: color-mix(in oklab, var(--tmm-muted, #64748b) 88%, var(--tmm-ink, #172033));
  font-size: 8.5px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
  white-space: nowrap;
}
.reader-control-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.reader-layer-controls {
  flex-wrap: nowrap;
}
.reader-filter-controls { gap: 7px; }
.reader-view-controls { gap: 7px; }
.reader-relation-filter-wrap {
  display: grid;
  align-items: center;
  gap: 2px;
}
.reader-relation-filter-wrap .reader-control-label {
  padding-left: 2px;
  font-size: 8px;
  line-height: 1;
}
.reader-layer-toggle,
.reader-relation-filter {
  min-height: 30px;
}
.reader-layer-toggle {
  padding-inline: 8px;
}
.reader-relation-filter {
  max-width: 126px;
  min-width: 104px;
}
.reader-macro-filter { max-width: 124px; }
.reader-macro-relation-filter { max-width: 118px; }
.reader-inline-switch button { min-height: 28px; }
.reader-ghost-btn { min-height: 34px; }

/* 0.8A.11 — overflow-y:auto otherwise computes overflow-x:auto in
   browsers. The media rail is intentionally a vertical-only panel. */
.reader-media-column {
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
}
.reader-media-column > * { max-width: 100%; box-sizing: border-box; }
.reader-timeline-card,
.reader-video-shell,
.reader-media-actions,
.reader-current-meta,
.reader-follow-row { min-width: 0; }

@media (max-width: 1500px) {
  .reader-stream-toolbar { align-items: start; }
  .reader-stream-controls { flex-wrap: wrap; row-gap: 8px; }
  .reader-control-group--layers { flex: 0 1 auto; }
  .reader-control-group--filters { flex: 1 1 430px; }
  .reader-control-group--view { flex: 0 1 auto; }
}

@media (max-width: 1180px) {
  .reader-stream-toolbar {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .reader-stream-heading { display: none; }
  .reader-stream-controls { justify-content: flex-start; }
  .reader-control-group:first-child { padding-left: 0; }
}

@media (max-width: 820px) {
  .reader-stream-controls { display: grid; grid-template-columns: 1fr; width: 100%; }
  .reader-control-group + .reader-control-group {
    padding-left: 0;
    padding-top: 7px;
    border-left: 0;
    border-top: 1px solid color-mix(in oklab, var(--tmm-border, #d7dee8) 68%, transparent);
  }
  .reader-control-row { flex-wrap: wrap; }
  .reader-media-column { overflow-x: hidden !important; }
}


/* ================================================================
   TMM READER 0.8B — Segment Presentation Polish
   - current transcript carries the presentation focus
   - annotation labels/content are legible from presentation distance
   - per-segment media-sync badges are removed in markup
   ================================================================ */
.reader-segment.is-current .reader-segment-text {
  font-weight: 700;
}
.reader-tag {
  min-height: 30px;
  padding-inline: 10px;
  font-size: 12.5px;
  line-height: 1.18;
}
.reader-tag-en,
.reader-general-tag {
  min-height: 27px;
  padding-inline: 9px;
  font-size: 10.5px;
}
.reader-annotation-id {
  font-size: 11px;
}
.reader-annotation-content {
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.5;
}
.reader-annotation-translation {
  font-size: 12px;
  line-height: 1.5;
}

/* ================================================================
   TMM READER 0.8B1 — Warm transcript highlight restore
   Keep the presentation-weight change from 0.8B, but restore the
   warm brown/beige transcript highlighting used before 0.8B.
   This highlight is deliberately independent from the current UI
   accent so switching theme cannot turn transcript spans violet/blue.
   ================================================================ */
.reader-annotation-span.is-hovered {
  background: color-mix(in oklab, #7a5a2f 13%, transparent);
}
.reader-annotation-span.is-focused,
.reader-annotation-span.is-relation-endpoint {
  background: color-mix(in oklab, #7a5a2f 17%, transparent);
  box-shadow: inset 0 -2px 0 color-mix(in oklab, #7a5a2f 42%, transparent);
}
.reader-annotation-span.is-macro-member {
  background: color-mix(in oklab, #7a5a2f 11%, transparent);
}

/* ================================================================
   TMM READER 0.8C — Macro Readability Polish
   - macro names are readable on hover and stay pinned after click
   - M↔M relation badges are presentation-legible
   - compact M/R rail markers no longer use the legacy hash shorthand
   ================================================================ */
.reader-macro-id-label {
  transition: opacity .12s ease;
}

.reader-macro-name-label {
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s ease;
}

.reader-macro-name-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 97%, currentColor 3%);
  stroke: color-mix(in oklab, currentColor 48%, var(--tmm-border, #d7dee8));
  stroke-width: 1.15;
  filter: drop-shadow(0 2px 5px rgba(15,23,42,.10));
}

.reader-macro-name-label text {
  font-family: Inter, system-ui, sans-serif;
  font-size: 11.5px;
  font-weight: 820;
  letter-spacing: -.012em;
}

.reader-macro-group.is-direct-active .reader-macro-name-label {
  opacity: 1;
  pointer-events: all;
}

.reader-macro-group.is-direct-active .reader-macro-id-label {
  opacity: 0;
}

.reader-macro-group.is-pinned .reader-macro-name-label rect {
  stroke-width: 1.7;
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 93%, currentColor 7%);
}

.reader-macro-relation-label text {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: -.008em;
}

.reader-macro-relation-label rect {
  fill: color-mix(in oklab, var(--tmm-surface, #fff) 97%, transparent);
  stroke-width: 1.15;
  filter: drop-shadow(0 1px 3px rgba(15,23,42,.09));
}

.reader-macro-relation-group.is-active .reader-macro-relation-label rect {
  stroke-width: 1.8;
}

@media (max-width: 1120px) and (min-width: 901px) {
  .reader-macro-name-label text { font-size: 10.5px; }
  .reader-macro-relation-label text { font-size: 9.5px; }
}

/* ================================================================
   TMM READER 0.8B2 — Large-screen Typography
   Scale only the primary reading hierarchy on desktop/presentation
   displays. Laptop/tablet typography remains exactly as in 0.8B/0.8C.
   ================================================================ */
@media (min-width: 1500px) {
  .reader-segment-text {
    font-size: clamp(26px, 1.55vw, 30px);
    line-height: 1.42;
  }

  .reader-segment-translation {
    font-size: clamp(14.5px, .82vw, 16px);
    line-height: 1.5;
  }

  .reader-tag {
    min-height: 33px;
    padding-inline: 11px;
    font-size: clamp(14.5px, .9vw, 17px);
    line-height: 1.16;
  }

  .reader-tag-en,
  .reader-general-tag {
    min-height: 29px;
    padding-inline: 10px;
    font-size: clamp(11px, .7vw, 13px);
  }

  .reader-annotation-id {
    font-size: 11.5px;
  }

  .reader-annotation-content {
    font-size: clamp(14.5px, .84vw, 16px);
    line-height: 1.48;
  }

  .reader-annotation-translation {
    font-size: clamp(12.5px, .74vw, 14px);
    line-height: 1.48;
  }
}


/* ================================================================
   TMM READER 0.8D1 — Horizontal canvas containment
   Prevent structural SVG overlays from creating a horizontal scroll
   area on the desktop Reader. Segment/card geometry is intentionally
   unchanged; the <=900px responsive layout keeps its existing rules.
   ================================================================ */
@media (min-width: 901px) {
  .reader-stage {
    overflow-x: hidden;
  }
}