/* La ilustración conserva su textura; el SVG aporta color, foco y selección. */
#cord-svg.illustrated-map {
  max-height: 490px;
}
.illustrated-map .tract-shape {
  fill: var(--tract-color);
  fill-opacity: .32;
  stroke: var(--tract-color);
  stroke-opacity: .5;
  stroke-width: 2;
}
.illustrated-map .tract-shape.selected {
  fill-opacity: .58;
  stroke-opacity: 1;
  stroke-width: 5;
}
.illustrated-map .tract-shape:hover {
  fill-opacity: .65;
  stroke-opacity: 1;
  stroke-width: 5;
}
.illustrated-map .tract-shape:focus-visible {
  stroke: #183f43;
  stroke-width: 7;
  stroke-opacity: 1;
}
.illustrated-map .tract-shape.muted {
  fill-opacity: 0;
  stroke-opacity: 0;
}
.illustrated-map.filtering .atlas-base-image {
  opacity: .55;
}
.illustrated-map.filtering .tract-shape:not(.muted) {
  fill-opacity: .62;
  stroke-opacity: .8;
}
.illustrated-map .map-orientation {
  font-size: 25px;
  letter-spacing: 5px;
}
.illustrated-map .tract-symbol {
  font-size: 28px;
  fill: #294b45;
  font-weight: 650;
}
.illustrated-map .anatomy-label {
  font-size: 22px;
  fill: #6d7264;
}
.map-symbol-background {
  fill: #fffefa;
  fill-opacity: .85;
}
.map-labels {
  pointer-events: none;
}
.canal-marker {
  fill: #fffefa;
  stroke: #7f8979;
  stroke-width: 2;
}
.anatomy-plate-link {
  display: block;
  border: 0;
  border-top: 1px solid var(--line);
  padding: 14px 20px;
  width: 100%;
  background: #f5f6ee;
  color: var(--teal);
  text-align: left;
  font-size: 11px;
  line-height: 1.6;
}

/* Galería: miniaturas, lámina y claves de lectura sin texto incrustado. */
.plates-page {
  display: grid;
  grid-template-columns: 235px minmax(360px, 1fr) 285px;
  gap: 18px;
  align-items: start;
}
.plate-selector,
.plate-notes {
  padding: 20px;
}
.plate-selector > p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
  margin: 10px 0 20px;
}
#plate-options {
  display: grid;
  gap: 8px;
}
#plate-options button {
  border: 1px solid var(--line);
  background: #fffefa;
  padding: 10px;
  border-radius: 10px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  line-height: 1.5;
}
#plate-options button.active {
  border-color: #9bb5a5;
  background: #eaf0e7;
}
#plate-options button:hover {
  border-color: #89a998;
}
#plate-options img {
  width: 65px;
  height: 68px;
  object-fit: contain;
  background: white;
  border-radius: 5px;
  flex-shrink: 0;
}
#plate-options span {
  display: block;
}
#plate-options small {
  display: block;
  font-size: 9px;
  margin-bottom: 3px;
  letter-spacing: 1px;
  color: var(--muted);
}
#plate-fullsize {
  font-size: 10px;
  text-decoration: none;
}
.plate-viewer figure {
  margin: 0;
}
.plate-image-frame {
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  margin: 0 15px;
  border-radius: 9px;
  overflow: hidden;
}
#plate-image {
  width: 100%;
  height: auto;
  max-height: 670px;
  object-fit: contain;
  display: block;
}
#plate-image.portrait-plate {
  max-width: 440px;
}
.plate-viewer figcaption {
  margin: 20px 24px 24px;
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
.plate-viewer figcaption h2 {
  font-family: Georgia, serif;
  font-size: 25px;
  font-weight: 400;
}
.plate-viewer figcaption p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 0;
}
.plate-note {
  border-bottom: 1px solid var(--line);
  padding: 15px 0;
}
.plate-note h3 {
  font-size: 12px;
  font-weight: 650;
  margin: 0 0 6px;
}
.plate-note p {
  font-size: 11px;
  color: #54635b;
  line-height: 1.8;
  margin: 0;
}
.plate-caution {
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted);
  margin: 20px 0 0;
}
.plate-notes .primary-button {
  width: 100%;
}
@media (max-width: 1150px) {
  .plates-page {
    grid-template-columns: 210px minmax(340px, 1fr);
  }
  .plate-notes {
    grid-column: 1 / -1;
  }
  #plate-notes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 25px;
  }
  .plate-notes .primary-button {
    width: auto;
  }
}
@media (max-width: 760px) {
  .main-nav {
    gap: 15px;
  }
  .nav-btn {
    font-size: 11px;
  }
  #cord-svg.illustrated-map {
    max-height: none;
  }
  .map-direction {
    font-size: 8px;
    max-width: 108px;
    text-align: right;
  }
  .plates-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .plate-selector,
  .plate-notes {
    padding: 18px;
  }
  .plate-selector > p {
    margin-bottom: 14px;
  }
  #plate-options {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  #plate-options button {
    padding: 8px;
    gap: 7px;
    font-size: 10px;
  }
  #plate-options img {
    width: 45px;
    height: 47px;
  }
  .plate-image-frame {
    min-height: 230px;
    margin: 0 10px;
  }
  #plate-image {
    max-height: 650px;
  }
  .plate-viewer figcaption {
    margin: 17px 18px 20px;
  }
  .plate-viewer figcaption h2 {
    font-size: 24px;
  }
  #plate-notes {
    display: block;
  }
}
@media print {
  .plates-page,
  .anatomy-plate-link {
    display: none !important;
  }
}
/* La lámina y el modelo comparten fichas; sus controles se muestran por separado. */
[data-model-only][hidden], .bone-art[hidden] { display: none; }
.bone-presentation-tabs {
  display: flex;
  gap: 4px;
  margin: 0 12px 12px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.bone-presentation-tabs button {
  flex: 1;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  padding: 9px 3px;
}
.bone-presentation-tabs button.active { background: var(--teal-pale); color: var(--teal); }
.bone-art { margin: 0 12px 16px; }
.bone-art-image { position: relative; overflow: hidden; border-radius: 10px; background: #fffefa; }
.bone-art img { display: block; width: 100%; height: auto; }
.bone-art figcaption { margin: 10px 6px 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
.bone-pin {
  position: absolute;
  left: var(--pin-x);
  top: var(--pin-y);
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  padding: 0;
}
.bone-pin::after {
  content: '';
  display: block;
  margin: auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  border: 2px solid #fff;
  box-shadow: 0 0 0 4px #ffffff70;
}
.bone-pin:hover::after, .bone-pin[aria-pressed="true"]::after { box-shadow: 0 0 0 5px #42776b50; }
.bone-pin:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* Visor de estudio con sombras suaves y una ampliación accesible. */
.spine-viewport { height: 410px; background: radial-gradient(ellipse at 42% 35%, #435b63, #1a2c32 85%); }
.model-tools { padding: 12px 18px 6px; }
.model-tools button { width: 100%; font-size: 11px; }
.model-tools p { font-size: 9px; line-height: 1.7; color: var(--muted); margin: 10px 0; }
.model-tools a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.model-dialog { width: min(920px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); padding: 20px; border: 1px solid var(--line); border-radius: 16px; color: var(--ink); background: #fafaf5; overflow: auto; }
.model-dialog::backdrop { background: #13272acc; backdrop-filter: blur(4px); }
.model-dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.model-dialog-heading h2 { margin: 5px 0 0; font-size: 22px; }
.model-dialog .spine-viewport { margin: 0; height: min(58dvh, 520px); min-height: 240px; }
.model-dialog .view-buttons { max-width: 440px; margin-inline: auto; }
.model-dialog .bone-controls { max-width: 500px; margin-inline: auto; border: 0; }
.model-dialog .model-tools { padding: 0 20px; }
.model-dialog .model-tools button { display: none; }
.model-dialog .structure-description { padding: 10px 16px; margin: 0; border-top: 1px solid var(--line); }
@media (max-width: 760px) {
  .spine-viewport { height: 380px; }
  .model-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); padding: 12px; }
  .model-dialog-heading h2 { font-size: 17px; }
  .model-dialog-heading button { font-size: 10px; padding: 8px; }
  .model-dialog .spine-viewport { height: 44dvh; }
}