.development-section-notice {
  position: sticky;
  top: 10px;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  width: max-content;
  max-width: calc(100% - 24px);
  margin: 0 auto 14px;
  padding: .62rem 1rem;
  border: 1px solid #d89d20;
  border-radius: 999px;
  background: #fff4cf;
  color: #67420a;
  box-shadow: 0 8px 24px rgba(81, 53, 6, .14);
  font-size: .9rem;
  line-height: 1.2;
}

.development-section-notice span {
  font-size: 1.05rem;
}

.ministerial-board {
  position: relative;
}

/* Original vehicle pixels move as decoded DOM images. A canvas reconstructs
   the road and clears only completed trajectories; signs and fixed scenery remain. */
.ministerial-board .intersection-vehicle-layer .intersection-car {
  display: none !important;
}

.ministerial-motion-stage {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #fff;
  pointer-events: none;
}

.ministerial-motion-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.ministerial-motion-original { max-width: none !important; object-fit: fill !important; margin: 0 !important; padding: 0 !important; }
.ministerial-motion-object {
  position: absolute;
  z-index: 2;
  display: block;
  transform-origin: 50% 50%;
  will-change: left, top, transform;
}

.ministerial-motion-object.is-static {
  z-index: 1;
  will-change: auto;
}

.ministerial-motion-sprite {
  position: absolute;
  display: block;
  max-width: none;
}

.ministerial-board.ministerial-motion-active > img {
  opacity: 0;
}

.ministerial-board.crash .intersection-explosion {
  z-index: 5;
}

.manual-card-development-notice {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  max-width: calc(100% - 24px);
  margin: 0;
  padding: .42rem .68rem;
  font-size: .72rem;
  white-space: nowrap;
}

.manual-visual-home {
  width: min(1500px, 100%);
  margin: 0 auto;
}

.manual-visual-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.2rem;
  padding: clamp(1.35rem, 2.5vw, 2.35rem);
  border: 1px solid rgba(12, 43, 68, .11);
  border-radius: 28px;
  background:
    radial-gradient(circle at 92% 15%, rgba(216, 36, 47, .14), transparent 24rem),
    linear-gradient(135deg, #fff 0%, #f7fbff 100%);
  box-shadow: 0 18px 46px rgba(10, 40, 65, .08);
}

.manual-visual-hero h2 {
  max-width: 850px;
  margin: .15rem 0 .65rem;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: .98;
}

.manual-visual-hero p:last-child {
  max-width: 820px;
  margin: 0;
  color: #53616d;
  font-size: 1.02rem;
}

.manual-visual-toolbar {
  display: grid;
  grid-template-columns: minmax(180px, 250px) minmax(260px, 1fr) minmax(230px, 330px);
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 1rem;
}

.manual-visual-toolbar .field {
  margin: 0;
}

.manual-visual-toolbar .manual-progress {
  margin: 0;
}

.manual-visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 1rem;
}

.manual-visual-topic {
  position: relative;
  display: grid;
  grid-template-rows: 190px auto;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid #dbe4eb;
  border-radius: 24px;
  background: #fff;
  color: #102333;
  text-align: left;
  box-shadow: 0 12px 28px rgba(12, 43, 68, .08);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.manual-visual-topic:hover,
.manual-visual-topic:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(198, 27, 41, .45);
  box-shadow: 0 18px 36px rgba(12, 43, 68, .14);
  outline: none;
}

.manual-visual-topic.completed {
  border-color: rgba(13, 132, 89, .42);
}

.manual-topic-preview {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 190px;
  background: linear-gradient(145deg, #eef4f8, #fff);
}

.manual-topic-preview img {
  position: absolute;
  width: 46%;
  max-height: 76%;
  object-fit: contain;
  filter: drop-shadow(0 8px 9px rgba(16, 35, 51, .14));
  transform: translateX(calc((var(--preview-index) - 1) * 54%)) rotate(calc((var(--preview-index) - 1) * 5deg));
}

.manual-topic-preview img:only-child {
  width: 72%;
  max-height: 84%;
  transform: none;
}

.manual-topic-placeholder {
  font-size: 4rem;
  font-weight: 900;
  color: rgba(16, 35, 51, .13);
}

.manual-topic-copy {
  display: flex;
  flex-direction: column;
  min-height: 138px;
  padding: 1.05rem 1.15rem 1.2rem;
}

.manual-topic-copy small {
  color: #c61b29;
  font-size: .73rem;
  font-weight: 900;
  letter-spacing: .08em;
}

.manual-topic-copy b {
  margin: .32rem 0 .7rem;
  font-size: 1.1rem;
  line-height: 1.2;
}

.manual-topic-copy em {
  margin-top: auto;
  color: #63717d;
  font-size: .82rem;
  font-style: normal;
  font-weight: 700;
}

.manual-back-topics {
  margin: 0 0 .7rem;
  padding: .48rem .7rem;
  border: 1px solid #d7e0e7;
  border-radius: 10px;
  background: #f7fafc;
  color: #173b57;
  font-weight: 800;
  cursor: pointer;
}

.manual-back-topics:hover,
.manual-back-topics:focus-visible {
  border-color: #c61b29;
  color: #a71420;
  outline: none;
}

.manual-visual-atlas {
  margin: 1.2rem 0 1.6rem;
  padding: clamp(1rem, 2vw, 1.45rem);
  border: 1px solid #d8e3eb;
  border-radius: 24px;
  background: linear-gradient(145deg, #f2f8fc, #fff);
}

.manual-visual-atlas > header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .35rem 1rem;
  margin-bottom: 1rem;
}

.manual-visual-atlas > header > div {
  display: flex;
  align-items: center;
  gap: .65rem;
}

.manual-visual-atlas > header span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #173e5e;
  color: #fff;
}

.manual-visual-atlas > header h3,
.manual-visual-atlas > header p {
  margin: 0;
}

.manual-visual-atlas > header > b {
  min-width: 42px;
  padding: .38rem .65rem;
  border-radius: 999px;
  background: #c61b29;
  color: #fff;
  text-align: center;
}

.manual-visual-atlas > header p {
  grid-column: 1 / -1;
  max-width: 900px;
  color: #596b79;
  font-size: .92rem;
  line-height: 1.45;
}

.manual-atlas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: .75rem;
}

.manual-atlas-card {
  display: grid;
  grid-template-rows: 138px auto;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid #dce5eb;
  border-radius: 16px;
  background: #fff;
  color: #132d42;
  text-align: left;
  box-shadow: 0 6px 16px rgba(17, 49, 73, .07);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.manual-atlas-card:hover,
.manual-atlas-card:focus-visible {
  transform: translateY(-3px);
  border-color: #c61b29;
  box-shadow: 0 10px 22px rgba(17, 49, 73, .13);
  outline: none;
}

.manual-atlas-image {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: .65rem;
  background: #f7f8f7;
}

.manual-atlas-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .18s ease;
}

.manual-atlas-card:hover .manual-atlas-image img,
.manual-atlas-card:focus-visible .manual-atlas-image img {
  transform: scale(1.055);
}

.manual-atlas-image i {
  position: absolute;
  top: 7px;
  left: 7px;
  min-width: 26px;
  padding: 4px 6px;
  border-radius: 8px;
  background: rgba(16, 35, 51, .83);
  color: #fff;
  font-size: .72rem;
  font-style: normal;
  font-weight: 900;
  text-align: center;
}

.manual-atlas-copy {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-width: 0;
  padding: .72rem .8rem .8rem;
}

.manual-atlas-copy b {
  display: -webkit-box;
  overflow: hidden;
  font-size: .84rem;
  line-height: 1.3;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.manual-atlas-copy small {
  margin-top: auto;
  color: #71808b;
  font-size: .68rem;
  font-weight: 750;
}

.manual-zoom-figure {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  flex: 1 1 auto;
  min-height: 240px;
}

.manual-zoom-figure > img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.manual-zoom-figure > span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(13, 52, 80, .91);
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
  font-size: 1.3rem;
}

.manual-zoom-figure:focus-visible {
  border-radius: 12px;
  outline: 3px solid #c61b29;
  outline-offset: 3px;
}

body.manual-gallery-open {
  overflow: hidden;
}

.manual-image-gallery {
  position: fixed;
  inset: 0;
  z-index: 30000;
  display: grid;
  place-items: center;
  padding: clamp(.55rem, 2vw, 1.5rem);
}

.manual-gallery-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: rgba(4, 14, 23, .89);
  backdrop-filter: blur(7px);
}

.manual-image-gallery > section {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 54px;
  align-items: center;
  width: min(1180px, 100%);
  height: min(88dvh, 900px);
  padding: 1rem;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .42);
}

.manual-image-gallery figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-self: stretch;
  min-width: 0;
  min-height: 0;
  margin: 0;
}

.manual-image-gallery figure img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
}

.manual-image-gallery figcaption {
  display: grid;
  gap: .25rem;
  padding: .8rem 1rem .2rem;
  text-align: center;
}

.manual-image-gallery figcaption small {
  color: #667783;
}

.manual-gallery-close,
.manual-gallery-arrow {
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

.manual-gallery-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 44px;
  height: 44px;
  background: #c61b29;
  color: #fff;
  font-size: 1.7rem;
}

.manual-gallery-arrow {
  width: 46px;
  height: 46px;
  background: #173e5e;
  color: #fff;
  font-size: 2rem;
}

.manual-gallery-arrow:focus-visible,
.manual-gallery-close:focus-visible {
  outline: 3px solid #f2c94c;
  outline-offset: 3px;
}

.student-self-remove-button {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: .7rem;
  width: 100%;
  padding: .72rem;
  border: 1px solid rgba(174, 27, 42, .28);
  border-radius: 14px;
  background: #fff7f7;
  color: #761624;
  text-align: left;
  cursor: pointer;
  grid-column: 1 / -1 !important;
  min-width: 0;
  max-width: none;
  min-height: 58px;
  box-sizing: border-box;
}

.student-self-remove-button.hidden {
  display: none !important;
}

.student-self-remove-button:hover,
.student-self-remove-button:focus-visible {
  border-color: #ae1b2a;
  background: #fff0f1;
  outline: none;
}

.student-self-remove-button > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.student-self-remove-button b,
.student-self-remove-button small {
  display: block;
  overflow: hidden;
  max-width: 100%;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.student-self-remove-button small {
  margin-top: .12rem;
  color: #8b5c63;
}

.student-self-remove-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ae1b2a;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 850;
  line-height: 1;
}

.cloud-self-removal-dialog {
  position: fixed;
  inset: 0;
  z-index: 26000;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.cloud-self-removal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 18, 28, .72);
  backdrop-filter: blur(5px);
}

.cloud-self-removal-dialog > section {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  padding: clamp(1.4rem, 4vw, 2.35rem);
  border-radius: 26px;
  background: #fff;
  color: #162835;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .28);
  text-align: center;
}

.cloud-self-removal-dialog .cloud-dialog-close {
  position: absolute;
  top: .8rem;
  right: .8rem;
}

.cloud-self-removal-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: #fff0f1;
  color: #ae1b2a;
  font-size: 2rem;
  font-weight: 950;
}

.cloud-self-removal-dialog h2 {
  margin: .25rem 0 .8rem;
  font-size: clamp(1.7rem, 5vw, 2.35rem);
}

.cloud-self-removal-preserved {
  padding: .8rem;
  border-radius: 14px;
  background: #f2f7fa;
  color: #4d5c67;
  font-size: .92rem;
}

.cloud-self-removal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin-top: 1.25rem;
}

.cloud-self-removal-actions button {
  min-height: 48px;
  border-radius: 13px;
  font-weight: 850;
  cursor: pointer;
}

.cloud-self-removal-confirm {
  border: 0;
  background: #ae1b2a;
  color: #fff;
}

.cloud-self-removal-confirm:disabled {
  opacity: .6;
  cursor: wait;
}

.cloud-self-removal-message {
  display: block;
  min-height: 1.2em;
  margin-top: .8rem;
  color: #ae1b2a;
  font-weight: 750;
}

@media (max-width: 900px) {
  .manual-visual-hero {
    align-items: stretch;
    flex-direction: column;
  }

  .manual-visual-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .development-section-notice {
    top: 6px;
    width: calc(100% - 12px);
    border-radius: 14px;
    text-align: center;
  }

  .manual-visual-grid {
    grid-template-columns: 1fr;
  }

  .manual-visual-topic {
    grid-template-rows: 165px auto;
  }

  .manual-topic-preview {
    min-height: 165px;
  }

  .manual-visual-atlas {
    margin-inline: -.35rem;
    padding: .85rem;
    border-radius: 18px;
  }

  .manual-atlas-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .55rem;
  }

  .manual-atlas-card {
    grid-template-rows: 115px auto;
  }

  .manual-atlas-copy {
    padding: .58rem;
  }

  .manual-image-gallery > section {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    height: calc(100dvh - 1.1rem);
    padding: .55rem;
    border-radius: 18px;
  }

  .manual-gallery-arrow {
    width: 38px;
    height: 38px;
  }

  .cloud-self-removal-actions {
    grid-template-columns: 1fr;
  }
}

/* r81: photographic covers, labelled diagrams, illustrated lessons and lighting lab. */
.manual-topic-preview .manual-chapter-cover{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;transform:none!important;object-fit:contain!important;max-height:none!important;padding:14px}
.manual-topic-preview .manual-chapter-cover.is-photo{object-fit:cover!important;padding:0}
.manual-r81-lesson{margin:24px 0;border:1px solid #d9e3ea;border-radius:24px;overflow:hidden;background:#fff}
.manual-r81-pictures{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:3px;background:#edf4f8}
.manual-r81-pictures button{border:0;padding:0;position:relative;cursor:zoom-in;background:transparent;min-width:0}
.manual-r81-pictures img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block}
.manual-r81-pictures span{position:absolute;right:12px;bottom:12px;background:#fff;border-radius:50%;padding:5px 12px;color:#143957}
.manual-r81-explanation{padding:clamp(18px,3vw,36px)}
.manual-r81-explanation h3{font-size:clamp(24px,3vw,36px);margin:0 0 16px;color:#153d5b}
.manual-r81-explanation p{line-height:1.75;margin:12px 0}
.manual-concept-map{display:block;width:100%;border:0;padding:0;background:#eef4f8;border-radius:18px;cursor:zoom-in;margin:24px 0;overflow:hidden}
.manual-concept-map img{width:100%;height:auto;display:block}
.manual-r81-mistake{border-left:4px solid #c51b30;background:#fff3f5;padding:16px 22px;border-radius:0 14px 14px 0}
.manual-r81-mistake p{margin-bottom:0}
.manual-lights-launch{margin:20px}
#manualLightsDialog{position:fixed;inset:0;width:100vw;max-width:none;height:100dvh;max-height:none;border:0;padding:0;margin:0;background:#0a111d}
#manualLightsDialog::backdrop{background:#0a111d}
#manualLightsDialog iframe{border:0;width:100%;height:100%;display:block}
.manual-lights-close{position:absolute;right:12px;top:10px;z-index:3;border-radius:50%;background:#14283e;color:#fff;border:1px solid #66798e;width:38px;height:38px;font-size:25px}
.manual-lights-open{overflow:hidden}
@media(max-width:600px){.manual-r81-pictures{grid-template-columns:1fr}.manual-r81-mistake{padding:14px}}

/* r82: constrain the reader itself, not just the cards inside its old columns. */
#view-manual,
#view-manual .manual-shell,
#view-manual .manual-page,
#view-manual .manual-book-sheet,
#view-manual .manual-visual-home,
#view-manual .manual-r81-lesson,
#view-manual .manual-visual-atlas { min-width:0; max-width:100%; box-sizing:border-box; }
#view-manual :is(.manual-page-head,.manual-page-head>div,.manual-tools,.manual-toc,.manual-topics,.manual-figure-layout,.manual-signal-card,.manual-facts-scroll,.manual-detail-layout,.manual-atlas-image,.manual-atlas-copy) { min-width:0; max-width:100%; box-sizing:border-box; }
#view-manual :is(h2,h3,h4,p,b,small,button,a) { overflow-wrap:anywhere; }
#view-manual .manual-atlas-grid { grid-template-columns:repeat(auto-fill,minmax(min(155px,100%),1fr)); }
#view-manual .manual-r81-pictures { grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr)); }

/* r106: figure pages must retain their bottom navigation on wide screens,
   including when the installed styles.css predates this cumulative update. */
#view-manual .manual-page .manual-book-nav.bottom {
  display:grid;
  position:relative;
  pointer-events:auto;
  isolation:isolate;
  margin-bottom:max(16px, env(safe-area-inset-bottom));
}
#view-manual .manual-book-nav.bottom button {
  min-height:44px;
  touch-action:manipulation;
}
#view-manual .manual-book-nav.bottom button:focus-visible {
  outline:3px solid var(--red);
  outline-offset:3px;
}
/* Keep the fixed left sidebar and its grid track aligned in RTL manuals.
   Text and controls inside the main content retain right-to-left reading. */
html[dir="rtl"] .app-shell:has(#view-manual.active) { direction:ltr; }
html[dir="rtl"] .app-shell:has(#view-manual.active) > :is(.sidebar,.main-content) { direction:rtl; }
#view-manual .manual-rebuilt-pictures { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr)); gap:18px; }
#view-manual .manual-rebuilt-pictures figure { min-width:0; margin:0; padding:12px; border:1px solid var(--line); border-radius:16px; background:#fff; }
#view-manual .manual-rebuilt-pictures button { display:block; width:100%; padding:0; border:0; background:#fff; cursor:zoom-in; }
#view-manual .manual-rebuilt-pictures img { display:block; width:100%; height:auto; aspect-ratio:3/2; object-fit:contain; }
#view-manual .manual-rebuilt-pictures figcaption { padding:12px 4px 2px; color:var(--muted); font-size:14px; line-height:1.5; }
#view-manual .manual-atlas-image { width:100%; height:138px; }
#view-manual .manual-atlas-image img { display:block; min-width:0; min-height:0; width:100%; height:100%; max-width:100%; max-height:100%; object-fit:contain; }
#view-manual :is(.manual-concept-map img,.manual-r81-pictures img) { min-width:0; max-width:100%; height:auto; object-fit:contain; }
#view-manual .manual-lights-launch { max-width:calc(100% - 40px); white-space:normal; }
#manualLightsDialog { box-sizing:border-box; width:100%; height:100vh; height:100dvh; }
@media (max-width:900px) {
  #view-manual .manual-shell { display:grid; grid-template-columns:minmax(0,1fr); width:100%; gap:16px; }
  #view-manual .manual-column-resizer { display:none; }
  #view-manual .manual-toc { width:100%; }
  #view-manual :is(.field,input,select) { min-width:0; max-width:100%; box-sizing:border-box; }
  #view-manual :is(input,select) { width:100%; }
  #view-manual .manual-page { width:100%; padding:clamp(12px,3vw,24px); }
  #view-manual .manual-book-sheet { width:100%; padding:clamp(10px,2vw,20px); }
  #view-manual .manual-page-head { display:flex; flex-direction:column; align-items:stretch; }
  #view-manual .manual-tools { display:flex; flex-wrap:wrap; }
  #view-manual .manual-figure-layout { display:grid; grid-template-columns:minmax(0,1fr); gap:16px; }
  #view-manual .manual-facts-scroll { max-height:none; overflow:visible; }
  #view-manual .manual-signal-card { margin:0; }
  #view-manual .manual-callouts { grid-template-columns:minmax(0,1fr); }
  #view-manual .manual-book-nav { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:8px; }
  #view-manual .manual-book-position { grid-column:1/-1; grid-row:1; }
  #view-manual .manual-book-nav button { min-width:0; max-width:100%; white-space:normal; padding:10px; }
  #view-manual .manual-completion { flex-wrap:wrap; }
  #view-manual .manual-completion button { min-width:0; max-width:100%; white-space:normal; }
}
@media (max-width:600px) {
  #view-manual .manual-atlas-grid { grid-template-columns:minmax(0,1fr); }
  #view-manual .manual-atlas-card { grid-template-rows:160px auto; }
  #view-manual .manual-atlas-image { height:160px; }
  #view-manual .manual-visual-atlas { width:100%; margin-inline:0; padding:12px; }
  #view-manual .manual-visual-atlas > header { grid-template-columns:minmax(0,1fr) auto; }
  #view-manual .manual-r81-pictures { grid-template-columns:minmax(0,1fr); }
}


/* Credits for the open vector reconstructions used by the theory manual. */
.manual-commons-credits{font-size:.78rem;line-height:1.5;margin:8px 0 20px;color:#486173}.manual-commons-credits a{color:inherit;text-decoration:underline;text-underline-offset:3px}

.quiz-open-figure-credit{display:inline-block;font-size:.66rem;font-weight:400;line-height:1.4;color:#526778;margin:3px 0 3px 6px;text-decoration:underline;text-underline-offset:2px}

/* r83: once a visual topic is selected, the reader contains only that chapter. */
#view-manual .manual-shell.manual-chapter-only { display:block; width:100%; max-width:1250px; margin-inline:auto; }
#view-manual .manual-chapter-only > .manual-page { width:100%; max-width:100%; margin:0; }
#view-manual .manual-chapter-only .manual-page-head h2 { font-size:clamp(1.55rem,4.2vw,2.8rem); line-height:1.18; }

/* r84: the collision stays on the ministerial road, with original-sized vehicles. */
.ministerial-board.crash .intersection-explosion{display:none!important}
.intersection-crash-theatre{background:transparent}
.intersection-crash-theatre .crash-wreck{z-index:2;filter:drop-shadow(0 2px 2px #0005)}
.crash-effects{position:absolute;aspect-ratio:1;transform:translate(-50%,-50%);z-index:3;pointer-events:none}
.crash-smoke,.crash-flame,.crash-impact-ring{position:absolute;opacity:0;pointer-events:none}
.crash-smoke{left:calc(30% + var(--n)*6%);top:32%;width:32%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#7b8288,#46515aaa 60%,transparent 72%)}
.crash-impact .crash-smoke{animation:crash-smoke-rise 3.6s calc(var(--n)*.15s) both}
@keyframes crash-smoke-rise{0%{opacity:0;transform:scale(.3)}20%{opacity:.8}100%{opacity:0;transform:translate(var(--drift),-130%) scale(1.9)}}
.crash-flame{left:calc(29% + var(--n)*13%);top:36%;width:19%;height:36%;border-radius:80% 10% 60% 45%;background:radial-gradient(ellipse at 45% 75%,#fff7a0 5%,#ffbd29 30%,#ef6430 65%,#b7311a 90%);transform-origin:center bottom}
.crash-impact .crash-flame{animation:crash-flame-dance .6s calc(var(--n)*.1s) 5 alternate both}
@keyframes crash-flame-dance{from{opacity:.85;transform:scale(.7,.8) rotate(-8deg)}to{opacity:1;transform:scale(.85,1.1) rotate(7deg)}}
.crash-impact-ring{inset:22%;border:3px solid #ffce73;border-radius:50%}.crash-impact .crash-impact-ring{animation:crash-contact .5s ease-out both}
@keyframes crash-contact{0%{opacity:1;transform:scale(.3)}100%{opacity:0;transform:scale(1.6)}}
.crash-ambulance{position:absolute;z-index:4;filter:drop-shadow(0 3px 3px #0006);visibility:hidden}
.crash-ambulance svg{display:block;width:100%;height:auto}
.crash-impact .ambulance-beacon{animation:ambulance-blue .8s infinite alternate both}.crash-impact .beacon-right{animation-delay:.4s}
@keyframes ambulance-blue{from{fill:#1764d5;filter:drop-shadow(0 0 1px #1579ff)}to{fill:#dbf8ff;filter:drop-shadow(0 0 7px #0687ff) drop-shadow(0 0 13px #169dff)}}
.crash-complete .crash-flame,.crash-complete .crash-smoke,.crash-complete .crash-impact-ring{opacity:0;animation:none}
@media(prefers-reduced-motion:reduce){.crash-impact .crash-flame,.crash-impact .crash-smoke,.crash-impact .crash-impact-ring,.crash-impact .ambulance-beacon{animation:none}}

/* r86 direct selection of the original source cars, no replacement drawings. */
.intersection-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:14px 0}
.intersection-filters{display:flex;gap:6px;flex-wrap:wrap}.intersection-tools button{border:1px solid #b7c8d3;background:#fff;border-radius:12px;padding:10px 14px;min-height:44px;font-weight:700;color:#234b65}
.intersection-tools button[aria-pressed="true"]{background:#143959;color:#fff;border-color:#143959}
.intersection-touch-layer{position:absolute;inset:0;pointer-events:none;z-index:3}
.intersection-touch-vehicle{position:absolute;padding:0!important;margin:0;border:2px solid transparent!important;border-radius:9px;background:transparent!important;pointer-events:none;min-width:0;min-height:0;box-shadow:none!important;opacity:1!important}
.intersection-touch-vehicle[data-selected="true"]{border-color:#17704bb3!important}
.intersection-touch-vehicle:focus-visible{outline:3px solid #186ac0;outline-offset:3px}
.intersection-touch-vehicle>span{position:absolute;top:-12px;left:50%;transform:translateX(-50%);border-radius:10px;background:#174e39;color:white;padding:2px 6px;font-size:12px;white-space:nowrap;box-shadow:0 1px 4px #0003}
.ministerial-board.choosing{touch-action:manipulation;cursor:pointer}
.intersection-vehicle-buttons{display:flex!important;flex-wrap:wrap;gap:7px!important}
.intersection-vehicle-buttons button{display:flex!important;align-items:center;gap:5px!important;min-width:44px;min-height:44px;padding:5px 9px!important;border-radius:12px!important}
.intersection-vehicle-buttons button>span{width:29px!important;height:29px!important;font-size:16px!important}
.intersection-vehicle-buttons button>small{font-size:10px!important}
.intersection-order-box{padding:12px!important;margin:12px 0!important;min-height:0!important}
.intersection-controls{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.intersection-controls button{min-height:44px}.intersection-go{flex:1}
@media(max-width:700px){.intersection-board-card,.intersection-play-card{padding:12px!important}.intersection-play-card h3{font-size:16px!important;line-height:1.35}.intersection-vehicle-buttons button>small{display:none}.intersection-controls .intersection-go{flex-basis:100%;order:-1;min-height:48px}.intersection-touch-vehicle>span{font-size:10px;top:-10px}.intersection-phase-hint{font-size:12px}}

.intersection-board-card>.intersection-phase-hint{background:#fff5d9;color:#614614;border-left:4px solid #eeb543;padding:10px 12px;border-radius:8px;line-height:1.4;margin:8px 0 12px;font-size:14px}.intersection-phase-count{color:#186943;font-size:12px}.intersection-order-box>div>span{white-space:normal!important;flex-wrap:wrap}.intersection-order-box>div>span>small{font-size:11px;font-weight:500;letter-spacing:0;text-transform:none}

/* r87 perspective explorer is above floating chat and stays within the viewport. */
.intersection-pov-launch{display:block;margin:0 0 14px auto;min-height:44px;border:1px solid #bacdd7;border-radius:12px;padding:10px 18px;background:#173e56;color:#fff;font:700 16px system-ui;cursor:pointer}
#intersectionPOVDialog{padding:0;border:0;background:#0c1926;width:100vw;max-width:1400px;height:100dvh;max-height:100dvh;border-radius:0;color:#fff}#intersectionPOVDialog::backdrop{background:#071521ed}#intersectionPOVDialog iframe{display:block;border:0;width:100%;height:100%}.intersection-pov-open{overflow:hidden}

#intersectionPOVDialog .pov-close{position:absolute;right:14px;top:12px;z-index:2;border:1px solid #69879a;border-radius:12px;background:#1d3345;color:#fff;width:46px;height:46px;font:700 28px system-ui;cursor:pointer}

/* r96: show the original question figure in every completed-sheet row. */
#view-results .result-review-row{align-items:flex-start}
#view-results .result-review-content{flex:1;min-width:0}
#view-results .result-review-row>.favorite-button{flex-shrink:0}
#view-results .result-review-figure,.cloud-duel-comparison .cloud-duel-question-figure{display:block;box-sizing:border-box;width:360px;max-width:100%;margin:14px 0;padding:10px;background:#fff;border:1px solid #dbe4ed;border-radius:12px}
#view-results .result-review-figure>img,.cloud-duel-comparison .cloud-duel-question-figure>img{display:block;box-sizing:border-box;position:static;width:100%;max-width:100%;min-width:0;height:auto;min-height:0;max-height:360px;aspect-ratio:auto;object-fit:contain;margin:0;padding:0;background:#fff;border:0;border-radius:0;box-shadow:none}
#view-results .result-review-figure .quiz-open-figure-credit,.cloud-duel-comparison .cloud-duel-question-figure .quiz-open-figure-credit{display:block;margin-top:8px;overflow-wrap:anywhere}

/* r94: full-bleed advertising collage; artwork never sets the banner height. */
#view-home .hero-signs-banner{display:block;position:relative;isolation:isolate;overflow:hidden;width:100%;max-width:none;min-height:0;height:auto;padding:24px 32px;box-sizing:border-box}
#view-home .hero-signs-banner::before,#view-home .hero-signs-banner::after{display:none}
#view-home .hero-signs-banner .hero-copy{min-width:0;width:58%;max-width:none;position:relative;z-index:2}
#view-home .hero-signs-banner .hero-kicker{font-size:12px;line-height:1.2;padding:6px 10px}
#view-home .hero-signs-banner h2{max-width:none;margin:10px 0;font-size:clamp(26px,3vw,38px);line-height:1.08;text-wrap:balance}
#view-home .hero-signs-banner .hero-copy p{max-width:76ch;margin:0;font-size:15px;line-height:1.45}
#view-home .hero-road-collage{position:absolute;z-index:1;inset:0 0 0 auto;width:44%;height:100%;pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent,#000 16%);mask-image:linear-gradient(90deg,transparent,#000 16%)}
#view-home .hero-road-collage img{display:block;width:100%;height:100%;max-width:none;object-fit:cover;object-position:60% 50%;border:0;border-radius:0;box-shadow:none}
@media(max-width:760px){
  #view-home .hero-signs-banner{padding:20px 22px}
  #view-home .hero-signs-banner .hero-copy{width:100%}
  #view-home .hero-signs-banner .hero-intro{width:63%;min-height:116px}
  #view-home .hero-signs-banner .hero-kicker{font-size:10px}
  #view-home .hero-signs-banner h2{max-width:23ch;font-size:26px;line-height:1.08;margin:8px 0}
  #view-home .hero-signs-banner .hero-copy p{font-size:14px;line-height:1.4}
  #view-home .hero-road-collage{width:44%;height:138px;inset:0 0 auto auto;-webkit-mask-image:linear-gradient(90deg,transparent,#000 24%),linear-gradient(#000 80%,transparent);mask-image:linear-gradient(90deg,transparent,#000 24%),linear-gradient(#000 80%,transparent);-webkit-mask-composite:source-in;mask-composite:intersect}
  #view-home .hero-road-collage img{object-position:58% 50%}
}

/* R100: colori delle sole immagini verificate, senza filtri legacy. Incroci esclusi. */
img:is([src*="/data/figures/figura_0001.png"],
[src*="/data/figures/figura_0002.png"],
[src*="/data/figures/figura_0003.png"],
[src*="/data/figures/figura_0004.png"],
[src*="/data/figures/figura_0005.png"],
[src*="/data/figures/figura_0006.png"],
[src*="/data/figures/figura_0007.png"],
[src*="/data/figures/figura_0008.png"],
[src*="/data/figures/figura_0009.png"],
[src*="/data/figures/figura_0010.png"],
[src*="/data/figures/figura_0011.png"],
[src*="/data/figures/figura_0012.png"],
[src*="/data/figures/figura_0013.png"],
[src*="/data/figures/figura_0014.png"],
[src*="/data/figures/figura_0015.png"],
[src*="/data/figures/figura_0016.png"],
[src*="/data/figures/figura_0017.png"],
[src*="/data/figures/figura_0018.png"],
[src*="/data/figures/figura_0019.png"],
[src*="/data/figures/figura_0020.png"],
[src*="/data/figures/figura_0021.png"],
[src*="/data/figures/figura_0022.png"],
[src*="/data/figures/figura_0023.png"],
[src*="/data/figures/figura_0024.png"],
[src*="/data/figures/figura_0025.png"],
[src*="/data/figures/figura_0026.png"],
[src*="/data/figures/figura_0027.png"],
[src*="/data/figures/figura_0028.png"],
[src*="/data/figures/figura_0029.png"],
[src*="/data/figures/figura_0030.png"],
[src*="/data/figures/figura_0031.png"],
[src*="/data/figures/figura_0032.png"],
[src*="/data/figures/figura_0033.png"],
[src*="/data/figures/figura_0034.png"],
[src*="/data/figures/figura_0035.png"],
[src*="/data/figures/figura_0036.png"],
[src*="/data/figures/figura_0037.png"],
[src*="/data/figures/figura_0038.png"],
[src*="/data/figures/figura_0039.png"],
[src*="/data/figures/figura_0040.png"],
[src*="/data/figures/figura_0041.png"],
[src*="/data/figures/figura_0042.png"],
[src*="/data/figures/figura_0043.png"],
[src*="/data/figures/figura_0044.png"],
[src*="/data/figures/figura_0045.png"],
[src*="/data/figures/figura_0046.png"],
[src*="/data/figures/figura_0047.png"],
[src*="/data/figures/figura_0048.png"],
[src*="/data/figures/figura_0049.png"],
[src*="/data/figures/figura_0050.png"],
[src*="/data/figures/figura_0051.png"],
[src*="/data/figures/figura_0052.png"],
[src*="/data/figures/figura_0053.png"],
[src*="/data/figures/figura_0054.png"],
[src*="/data/figures/figura_0055.png"],
[src*="/data/figures/figura_0056.png"],
[src*="/data/figures/figura_0057.png"],
[src*="/data/figures/figura_0058.png"],
[src*="/data/figures/figura_0059.png"],
[src*="/data/figures/figura_0060.png"],
[src*="/data/figures/figura_0061.png"],
[src*="/data/figures/figura_0062.png"],
[src*="/data/figures/figura_0063.png"],
[src*="/data/figures/figura_0064.png"],
[src*="/data/figures/figura_0065.png"],
[src*="/data/figures/figura_0066.png"],
[src*="/data/figures/figura_0067.png"],
[src*="/data/figures/figura_0068.png"],
[src*="/data/figures/figura_0069.png"],
[src*="/data/figures/figura_0070.png"],
[src*="/data/figures/figura_0071.png"],
[src*="/data/figures/figura_0072.png"],
[src*="/data/figures/figura_0073.png"],
[src*="/data/figures/figura_0120.png"],
[src*="/data/figures/figura_0123.png"],
[src*="/data/figures/figura_0124.png"],
[src*="/data/figures/figura_0125.png"],
[src*="/data/figures/figura_0127.png"],
[src*="/data/figures/figura_0128.png"],
[src*="/data/figures/figura_0129.png"],
[src*="/data/figures/figura_0130.png"],
[src*="/data/figures/figura_0131.png"],
[src*="/data/figures/figura_0132.png"],
[src*="/data/figures/figura_0133.png"],
[src*="/data/figures/figura_0134.png"],
[src*="/data/figures/figura_0135.png"],
[src*="/data/figures/figura_0136.png"],
[src*="/data/figures/figura_0137.png"],
[src*="/data/figures/figura_0138.png"],
[src*="/data/figures/figura_0139.png"],
[src*="/data/figures/figura_0140.png"],
[src*="/data/figures/figura_0141.png"],
[src*="/data/figures/figura_0142.png"],
[src*="/data/figures/figura_0143.png"],
[src*="/data/figures/figura_0144.png"],
[src*="/data/figures/figura_0145.png"],
[src*="/data/figures/figura_0146.png"],
[src*="/data/figures/figura_0147.png"],
[src*="/data/figures/figura_0148.png"],
[src*="/data/figures/figura_0149.png"],
[src*="/data/figures/figura_0150.png"],
[src*="/data/figures/figura_0151.png"],
[src*="/data/figures/figura_0152.png"],
[src*="/data/figures/figura_0153.png"],
[src*="/data/figures/figura_0154.png"],
[src*="/data/figures/figura_0155.png"],
[src*="/data/figures/figura_0156.png"],
[src*="/data/figures/figura_0157.png"],
[src*="/data/figures/figura_0158.png"],
[src*="/data/figures/figura_0159.png"],
[src*="/data/figures/figura_0160.png"],
[src*="/data/figures/figura_0161.png"],
[src*="/data/figures/figura_0162.png"],
[src*="/data/figures/figura_0163.png"],
[src*="/data/figures/figura_0164.png"],
[src*="/data/figures/figura_0165.png"],
[src*="/data/figures/figura_0166.png"],
[src*="/data/figures/figura_0167.png"],
[src*="/data/figures/figura_0168.png"],
[src*="/data/figures/figura_0169.png"],
[src*="/data/figures/figura_0170.png"],
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[src*="/data/figures/figura_0172.png"],
[src*="/data/figures/figura_0173.png"],
[src*="/data/figures/figura_0174.png"],
[src*="/data/figures/figura_0175.png"],
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[src*="/data/figures/figura_0179.png"],
[src*="/data/figures/figura_0180.png"],
[src*="/data/figures/figura_0181.png"],
[src*="/data/figures/figura_0182.png"],
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[src*="/data/figures/figura_0188.png"],
[src*="/data/figures/figura_0189.png"],
[src*="/data/figures/figura_0190.png"],
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[src*="/data/figures/figura_0194.png"],
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[src*="/data/figures/figura_0197.png"],
[src*="/data/figures/figura_0198.png"],
[src*="/data/figures/figura_0199.png"],
[src*="/data/figures/figura_0200.png"],
[src*="/data/figures/figura_0201.png"],
[src*="/data/figures/figura_0202.png"],
[src*="/data/figures/figura_0203.png"],
[src*="/data/figures/figura_0204.png"],
[src*="/data/figures/figura_0205.png"],
[src*="/data/figures/figura_0206.png"],
[src*="/data/figures/figura_0207.png"],
[src*="/data/figures/figura_0208.png"],
[src*="/data/figures/figura_0209.png"],
[src*="/data/figures/figura_0210.png"],
[src*="/data/figures/figura_0211.png"],
[src*="/data/figures/figura_0212.png"],
[src*="/data/figures/figura_0213.png"],
[src*="/data/figures/figura_0214.png"],
[src*="/data/figures/figura_0215.png"],
[src*="/data/figures/figura_0216.png"],
[src*="/data/figures/figura_0217.png"],
[src*="/data/figures/figura_0218.png"],
[src*="/data/figures/figura_0219.png"],
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[src*="/data/figures/figura_0221.png"],
[src*="/data/figures/figura_0222.png"],
[src*="/data/figures/figura_0223.png"],
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/* Reviewed chapter tables: native, responsive and keyboard scrollable. */
#view-manual .manual-ready-table-scroll{max-width:100%;overflow-x:auto;margin:18px 0;border:1px solid var(--line);border-radius:12px}
#view-manual .manual-ready-table-scroll table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5}
#view-manual .manual-ready-table-scroll th,#view-manual .manual-ready-table-scroll td{padding:12px;text-align:start;border-bottom:1px solid var(--line);vertical-align:top}
#view-manual .manual-ready-table-scroll th{background:#edf3f8;color:#17273b}
#view-manual .manual-ready-table-scroll caption{padding:12px;font-weight:700;text-align:start}
#view-manual .manual-rebuilt-pictures img{aspect-ratio:auto;max-height:600px}

/* r108: the manual must scroll beyond the entire floating tools stack.
   Space is reserved on the reading view only, including iOS safe areas. */
#view-manual.active {
  --manual-floating-tools-clearance:320px;
  padding-bottom:calc(var(--manual-floating-tools-clearance) + env(safe-area-inset-bottom, 0px));
  scroll-padding-bottom:calc(var(--manual-floating-tools-clearance) + env(safe-area-inset-bottom, 0px));
}
#view-manual.active .manual-book-nav.bottom {
  scroll-margin-bottom:calc(var(--manual-floating-tools-clearance) + env(safe-area-inset-bottom, 0px));
}
#view-manual.active .manual-book-nav.bottom button {
  min-width:48px;
  min-height:48px;
}