/* Additional styles for electronics.html */
.elec-hero .front-card {
  max-width: 900px;
}

.elec-slide h2,
.elec-vertical h2,
.elec-quiz h2 {
  font-size: 1.45em;
  margin-bottom: 0.45rem;
}

.elec-intro {
  max-width: 950px;
  margin: 0 auto 0.8rem;
  font-size: 0.62em;
  line-height: 1.25;
}

.elec-grid-2,
.elec-grid-3,
.elec-grid-4,
.component-grid,
.sensor-grid,
.doc-grid {
  display: grid;
  gap: 0.8rem;
  max-width: 1050px;
  margin: 0 auto;
}

.elec-grid-2 { grid-template-columns: 1fr 1fr; }
.elec-grid-3 { grid-template-columns: repeat(3, 1fr); }
.elec-grid-4 { grid-template-columns: repeat(4, 1fr); }
.component-grid { grid-template-columns: repeat(3, 1fr); }
.sensor-grid { grid-template-columns: repeat(3, 1fr); }
.doc-grid { grid-template-columns: repeat(2, 1fr); }

.elec-card,
.component-card,
.sensor-card,
.doc-card,
.path-card {
  background: var(--light);
  border-left: 10px solid var(--red);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  text-align: left;
}

.elec-card.dark,
.component-card.dark {
  background: var(--black);
  color: var(--white);
}

.elec-card.dark h3,
.elec-card.dark p,
.elec-card.dark li,
.component-card.dark h3,
.component-card.dark p,
.component-card.dark li {
  color: var(--white);
}

.elec-card h3,
.component-card h3,
.sensor-card h3,
.doc-card h3,
.path-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.72em;
}

.elec-card p,
.component-card p,
.sensor-card p,
.doc-card p,
.path-card p {
  margin: 0;
  font-size: 0.45em;
  line-height: 1.25;
}

.elec-card li,
.component-card li,
.sensor-card li,
.doc-card li,
.path-card li {
  font-size: 0.5em;
  line-height: 1.22;
  margin-bottom: 0.16rem;
}

.elec-callout {
  max-width: 950px;
  margin: 0.8rem auto 0;
  padding: 0.6rem 0.8rem;
  background: var(--white);
  border-left: 10px solid var(--red);
  border-radius: 8px;
}

.elec-callout p {
  margin: 0;
  font-size: 0.56em;
  line-height: 1.25;
}

.elec-mini {
  font-family: "Droid Sans", Arial, sans-serif;
  font-size: 0.42em;
  color: var(--gray);
}

.power-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  align-items: center;
  max-width: 1050px;
  margin: 0.8rem auto 0;
}

.power-node {
  background: var(--white);
  border: 3px solid var(--black);
  border-left: 10px solid var(--red);
  border-radius: 8px;
  padding: 0.6rem 0.5rem;
  min-height: 92px;
  text-align: center;
  font-family: "Droid Sans", Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.48em;
  font-weight: 700;
}

.power-arrow {
  text-align: center;
  font-size: 1.1em;
  color: var(--red);
  font-family: "Droid Sans", Arial, sans-serif;
  font-weight: 700;
}

.can-chain {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  justify-content: center;
  margin: 0.7rem auto;
  max-width: 1050px;
  flex-wrap: wrap;
}

.can-device {
  background: var(--white);
  border: 3px solid var(--black);
  border-top: 8px solid var(--red);
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  font-family: "Droid Sans", Arial, sans-serif;
  font-size: 0.44em;
  font-weight: 700;
  min-width: 120px;
  text-align: center;
}

.can-wire {
  font-size: 0.75em;
  color: var(--gray);
  font-weight: 700;
}

.sort-bank,
.sort-targets,
.troubleshooting-sort {
  max-width: 1050px;
  margin: 0 auto;
}

.sort-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.45rem;
  background: var(--light);
  border: 3px dashed var(--gray);
  border-radius: 8px;
  min-height: 86px;
}

.sort-chip,
.trouble-card {
  background: var(--white);
  border: 2px solid var(--red);
  border-radius: 7px;
  padding: 0.35rem 0.5rem;
  font-size: 0.42em;
  line-height: 1.15;
  font-weight: 700;
  color: #222222;
  cursor: grab;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.sort-chip.dragging,
.trouble-card.dragging { opacity: 0.45; }
.sort-chip.correct,
.trouble-card.correct { border-color: #2e7d32; background: #e6f4ea; }
.sort-chip.incorrect,
.trouble-card.incorrect { border-color: #b00020; background: #fdecea; }

.sort-targets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-top: 0.7rem;
}

.sort-zone {
  min-height: 210px;
  background: var(--light);
  border-left: 10px solid var(--red);
  border-radius: 8px;
  padding: 0.55rem;
}

.sort-zone h3 {
  font-size: 0.68em;
  text-align: center;
  margin: 0 0 0.4rem;
}

.sort-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 150px;
}

.sort-bank.drag-over,
.sort-zone.drag-over,
.troubleshooting-sort.drag-over {
  outline: 4px solid var(--red);
  outline-offset: 2px;
}

.activity-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 0.55rem;
}

.activity-feedback {
  min-width: 240px;
  margin: 0;
  font-size: 0.46em;
  font-weight: 700;
}

.troubleshooting-sort {
  display: grid;
  gap: 0.35rem;
  background: var(--light);
  border: 3px dashed var(--gray);
  border-radius: 8px;
  padding: 0.5rem;
}

.trouble-card {
  font-size: 0.44em;
}

.documentation-table {
  width: 100%;
  max-width: 950px;
  margin: 0.5rem auto;
  border-collapse: collapse;
  font-size: 0.42em;
  font-family: "Droid Sans", Arial, sans-serif;
}

.documentation-table th,
.documentation-table td {
  border: 2px solid #cccccc;
  padding: 0.35rem;
  text-align: left;
}

.documentation-table th {
  background: var(--black);
  color: var(--white);
}

.documentation-table tr:nth-child(even) {
  background: var(--light);
}

.battery-list {
  columns: 2;
  column-gap: 2rem;
}

.battery-list li {
  break-inside: avoid;
}

@media (max-width: 900px) {
  .elec-grid-3,
  .elec-grid-4,
  .component-grid,
  .sensor-grid,
  .doc-grid,
  .power-flow {
    grid-template-columns: 1fr;
  }

  .elec-grid-2,
  .sort-targets {
    grid-template-columns: 1fr;
  }
}
.wiring-structure-slide h2 {
  font-size: 1.45em;
  margin-bottom: 0.35rem;
}

.wiring-structure-intro {
  max-width: 1200px;
  margin: 0 auto 0.2rem;
  font-size: 0.2em;
  line-height: 1;
  text-align: center;
}

.wiring-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.2rem;
  max-width: 2000px;
  margin: 0 auto;
  align-items: start;
}

.wiring-layout-card {
  margin: 0;
  background: #f4f4f4;
  border-left: 8px solid #980000;
  border-radius: 8px;
  padding: 0.45rem;
}

.wiring-layout-card img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  display: block;
}

.wiring-layout-card figcaption {
  font-size: 0.38em;
  line-height: 1.15;
  margin-top: 0.3rem;
  text-align: center;
}

.wiring-structure-callout {
  max-width: 1000px;
  margin: 0.6rem auto 0;
  padding: 0.55rem 0.8rem;
  background: #ffffff;
  border-left: 8px solid #980000;
  border-radius: 8px;
}

.wiring-structure-callout p {
  margin: 0;
  font-size: 0.5em;
}
.image-focus-slide {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.35rem;
}

.image-focus-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem;
  align-items: center;
  max-width: 1150px;
  margin: 0 auto;
}

.image-focus-header .tag {
  margin-bottom: 0;
  white-space: nowrap;
}

.wiring-layout-main {
  width: 100%;
  height: 530px;
  max-height: calc(100vh - 145px);
  object-fit: contain;
  display: block;
  margin: 0 auto;
  background: #ffffff;
}

.component-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  max-width: 1100px;
  margin: 0.8rem auto 0;
}

.component-card {
  min-height: 145px;
  padding: 1rem 1.1rem;
  border-radius: 10px;
}

.component-card h3 {
  font-size: 2em;
  margin: 0 0 0.45rem;
}

.component-card p {
  font-size: 1em;
  line-height: 1.25;
  margin: 0;
}

.component-card:hover,
.component-card:focus {
  outline: 4px solid var(--red);
  outline-offset: 3px;
  transform: translateY(-2px);
}

.component-card.viewed {
  border-left-color: var(--gray);
  opacity: 0.85;
}

.component-card.viewed h3::after {
  content: " ✓";
  color: var(--gray);
  font-weight: bold;
}

.component-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1.5rem;
}

.component-modal.open {
  display: flex;
}

.component-modal-panel {
  position: relative;
  width: min(1000px, 95vw);
  max-height: 88vh;
  overflow: auto;
  background: #ffffff;
  border-left: 14px solid #980000;
  border-radius: 10px;
  padding: 1.2rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.component-modal-close {
  position: absolute;
  top: 0.4rem;
  right: 0.6rem;
  background: #980000;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 2rem;
  line-height: 1;
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
}

.component-modal-content {
  display: grid;
  grid-template-columns: 1fr 42%;
  gap: 1.2rem;
  align-items: start;
}

.component-modal-content h2 {
  margin-top: 0;
  font-family: "Droid Sans", Arial, sans-serif;
}

.component-modal-content p,
.component-modal-content li {
  font-size: 1rem;
  line-height: 1.35;
}

.component-modal-content img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: #f3f3f3;
  border-radius: 8px;
}

@media (max-width: 800px) {
  .component-modal-content {
    grid-template-columns: 1fr;
  }
}

.reveal .poster-img {
  max-width:100%;
  max-height:520px;
  display:block;
  margin:.2em auto;
  border:1px solid #ddd;
}
.awg-vertical-slide {
  height: 100%;
}

.awg-vertical-slide .tag {
  margin-bottom: 0.25rem;
}

.awg-image-wrap {
  background: #ffffff;
  border-left: 10px solid var(--red);
  border-radius: 8px;
  padding: 0.25rem;
  max-width: 1120px;
  margin: 0 auto 0.45rem;
}

.awg-main-image {
  width: 100%;
  height: 345px;
  object-fit: contain;
  display: block;
}

.awg-text-panel {
  background: #f4f4f4;
  border-left: 10px solid var(--red);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  max-width: 1120px;
  margin: 0 auto;
}

.awg-text-panel h2 {
  font-size: 0.78em;
  margin: 0 0 0.2rem;
}

.awg-text-panel p {
  font-size: 0.43em;
  line-height: 1.18;
  margin: 0;
}

.awg-rule-box {
  background: #ffffff;
  border-left: 8px solid var(--gray);
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  margin: 0.35rem 0;
  font-size: 0.43em;
  line-height: 1.15;
}

.awg-type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
}

.awg-type-grid h3 {
  font-size: 0.55em;
  margin: 0 0 0.15rem;
}

.awg-type-grid p {
  font-size: 0.36em;
  line-height: 1.15;
}

.awg-note {
  margin-top: 0.35rem;
  opacity: 0.8;
}
.wire-materials-slide h2 {
  font-size: 1.35em;
  margin-bottom: 0.3rem;
}

.wire-materials-intro {
  max-width: 1050px;
  margin: 0 auto 0.55rem;
  font-size: 0.54em;
  line-height: 1.2;
}

.wire-materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  max-width: 1100px;
  margin: 0 auto;
}

.wire-material-card {
  background: #f4f4f4;
  border-left: 9px solid var(--red);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
  min-height: 245px;
}

.wire-material-card h3 {
  margin: 0 0 0.25rem;
  font-size: 0.68em;
}

.wire-material-card p,
.wire-material-card li {
  font-size: 0.4em;
  line-height: 1.18;
}

.wire-material-card ul {
  margin-top: 0.25rem;
}

.wire-material-card.conductor {
  border-left-color: #000000;
}

.wire-material-card.strand {
  border-left-color: var(--red);
}

.wire-material-card.insulation {
  border-left-color: var(--gray);
}

.wire-importance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  max-width: 1100px;
  margin: 0.65rem auto 0;
}

.importance-box {
  background: #ffffff;
  border-left: 9px solid var(--red);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
}

.importance-box.gray {
  border-left-color: var(--gray);
}

.importance-box h3 {
  margin: 0 0 0.25rem;
  font-size: 0.62em;
}

.importance-box li {
  font-size: 0.38em;
  line-height: 1.16;
}
.wire-materials-slide ul {
  margin-left: 0.1em;
  padding-left: 0.5em;
}

.wire-materials-slide li {
  text-align: left;
  padding-left: 0;
}
.connector-slide h2 {
  font-size: 1.4em;
  margin-bottom: 0.35rem;
}

.connector-slide {
  height: 100%;
}

.connector-slide .tag {
  margin-bottom: 0.2rem;
}

.connector-intro {
  max-width: 1050px;
  margin: 0 auto 0.35rem;
  font-size: 0.48em;
  line-height: 1.15;
}

.connector-grid {
  display: grid;
  gap: 0.55rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}

.connector-grid.three-up {
  grid-template-columns: repeat(3, 1fr);
}

.connector-grid.two-up {
  grid-template-columns: repeat(2, 1fr);
}

.connector-card {
  background: #f4f4f4;
  border-left: 9px solid var(--red);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  text-align: left;
  min-width: 0;
}

.connector-card img {
  width: 100%;
  height: 155px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  display: block;
  margin-bottom: 0.25rem;
}

.connector-card h3 {
  margin: 0 0 0.2rem;
  font-size: 0.62em;
}

.connector-card p,
.connector-card li {
  font-size: 0.36em;
  line-height: 1.12;
}

.connector-card p {
  margin: 0 0 0.25rem;
}

.connector-card ul {
  margin: 0.15rem 0 0;
  padding-left: 0.85em;
}

.connector-callout {
  max-width: 1100px;
  margin: 0.45rem auto 0;
  padding: 0.42rem 0.65rem;
  background: #ffffff;
  border-left: 9px solid var(--gray);
  border-radius: 8px;
}

.connector-callout p {
  margin: 0;
  font-size: 0.38em;
  line-height: 1.15;
}

.strip-crimp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}

.diagram-card {
  background: #f4f4f4;
  border-left: 9px solid var(--red);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  text-align: left;
  min-width: 0;
}

.diagram-card h3 {
  margin: 0 0 0.2rem;
  font-size: 0.62em;
}

.diagram-card img {
  width: 100%;
  height: 155px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  display: block;
  margin-bottom: 0.25rem;
}

.diagram-card ul {
  margin: 0.15rem 0 0;
  padding-left: 0.85em;
}

.diagram-card li {
  font-size: 0.36em;
  line-height: 1.12;
}

.diagram-svg {
  width: 100%;
  height: 220px;
  display: block;
  background: #ffffff;
  border-radius: 6px;
  margin-bottom: 0.3rem;
}

@media (max-width: 900px) {
  .connector-grid.two-up,
  .strip-crimp-layout {
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
  }

  .connector-grid.three-up {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
  }

  .connector-card,
  .diagram-card {
    padding: 0.32rem 0.38rem;
  }

  .connector-card img,
  .diagram-card img {
    height: 125px;
  }

  .connector-card h3,
  .diagram-card h3 {
    font-size: 0.52em;
  }

  .connector-card p,
  .connector-card li,
  .diagram-card li {
    font-size: 0.3em;
    line-height: 1.08;
  }

  .connector-intro {
    font-size: 0.38em;
    margin-bottom: 0.25rem;
  }

  .connector-callout {
    margin-top: 0.3rem;
    padding: 0.3rem 0.45rem;
  }

  .connector-callout p {
    font-size: 0.3em;
    line-height: 1.1;
  }
}

/* Connector slide fix: keep these slides side-by-side on narrower browser windows and scale content down instead of stacking. */
.strip-crimp-slide .diagram-card img {
  height: 145px;
}

@media (max-width: 900px) {
  .strip-crimp-slide .diagram-card img {
    height: 115px;
  }
}
@media (min-width: 1200px) {
  .connector-grid.two-up,
  .strip-crimp-layout {
    max-width: 1250px;
    gap: 0.9rem;
  }

  .connector-card,
  .diagram-card {
    padding: 0.7rem 0.85rem;
  }

  .connector-card img,
  .diagram-card img {
    height: 210px;
  }

  .connector-card h3,
  .diagram-card h3 {
    font-size: 0.78em;
  }

  .connector-card p,
  .connector-card li,
  .diagram-card li {
    font-size: 0.46em;
    line-height: 1.18;
  }

  .connector-intro {
    font-size: 0.58em;
    max-width: 1150px;
  }

  .connector-callout {
    max-width: 1250px;
    padding: 0.65rem 0.85rem;
  }

  .connector-callout p {
    font-size: 0.5em;
  }
}

  .doanddont li {
    font-size: 0.3em;
    line-height: 1.08;
  }

  .wire-slide h2 {
  font-size: 1.4em;
  margin-bottom: 0.3rem;
}

.wire-intro {
  max-width: 1100px;
  margin: 0 auto 0.45rem;
  font-size: 0.52em;
  line-height: 1.2;
}

.wire-grid {
  display: grid;
  gap: 0.6rem;
  max-width: 1120px;
  margin: 0 auto;
}

.wire-grid.five-up {
  grid-template-columns: repeat(5, 1fr);
}

.wire-grid.three-up {
  grid-template-columns: repeat(3, 1fr);
}

.wire-grid.two-up,
.wire-grid.final-two-up {
  grid-template-columns: 1fr 1fr;
}

.wire-grid.small-top {
  margin-top: 0.5rem;
}

.wire-card,
.wire-panel,
.slack-box {
  background: #f4f4f4;
  border-left: 8px solid var(--red);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  text-align: left;
  min-width: 0;
}

.wire-card img {
  width: 100%;
  height: 125px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  display: block;
  margin-bottom: 0.25rem;
}

.wire-card h3,
.wire-panel h3,
.slack-box h3 {
  margin: 0 0 0.2rem;
  font-size: 0.68em;
}

.wire-card p,
.wire-panel p,
.wire-panel li,
.wire-card li {
  font-size: 0.4em;
  line-height: 1.18;
}

.wire-panel ul,
.checklist-panel ul {
  margin: 0.15rem 0 0;
  padding-left: 0.95em;
}

.wire-panel li,
.checklist-panel li {
  text-align: left;
  padding-left: 0;
}

.callout.wire-callout {
  max-width: 1120px;
  margin: 0.55rem auto 0;
  padding: 0.5rem 0.7rem;
  background: #ffffff;
  border-left: 8px solid var(--gray);
  border-radius: 8px;
}

.callout.wire-callout p {
  margin: 0;
  font-size: 0.46em;
  line-height: 1.18;
}

.mini-card img {
  height: 100px;
}

.slack-diagram-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  max-width: 1120px;
  margin: 0.55rem auto 0;
}

.slack-box.bad {
  border-left-color: #c40000;
}

.slack-box.good {
  border-left-color: #0a7a2f;
}

.slack-box.warn {
  border-left-color: #d68a00;
}

.slack-diagram {
  width: 100%;
  height: 140px;
  display: block;
  background: #ffffff;
  border-radius: 6px;
  margin-top: 0.2rem;
}

.final-wire-slide .checklist-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.robot-example-image {
  width: 100%;
  height: 380px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 8px;
  display: block;
  margin: 0.2rem 0 0.3rem;
}

.robot-caption {
  font-size: 0.4em;
  line-height: 1.18;
  margin: 0;
}

.robot-example-panel {
  border-left-color: var(--gray);
}

.checklist-panel {
  border-left-color: var(--red);
}

@media (max-width: 1100px) {
  .wire-grid.five-up {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.35rem;
  }

  .wire-card,
  .wire-panel,
  .slack-box {
    padding: 0.35rem 0.4rem;
  }

  .wire-card img {
    height: 95px;
  }

  .wire-card h3,
  .wire-panel h3,
  .slack-box h3 {
    font-size: 0.56em;
  }

  .wire-card p,
  .wire-panel p,
  .wire-panel li,
  .wire-card li,
  .robot-caption {
    font-size: 0.33em;
    line-height: 1.1;
  }

  .robot-example-image {
    height: 280px;
  }

  .slack-diagram {
    height: 115px;
  }

  .callout.wire-callout p {
    font-size: 0.36em;
  }
}
.component-match-slide {
  height: 100%;
}

.component-match-slide .tag {
  margin-bottom: 0.2rem;
}

.match-intro {
  font-size: 0.38em;
  line-height: 1.1;
  margin: 0 auto 0.25rem;
  max-width: 1100px;
}

.match-layout {
  display: grid;
  grid-template-columns: 25% 1fr;
  gap: 0.45rem;
  max-width: 1160px;
  margin: 0 auto;
  align-items: start;
}

.match-bank-panel,
.definition-grid-panel {
  background: #f4f4f4;
  border-left: 8px solid var(--red);
  border-radius: 8px;
  padding: 0.35rem;
  text-align: left;
}

.match-bank-panel h3,
.definition-grid-panel h3 {
  margin: 0 0 0.18rem;
  font-size: 0.5em;
}

.match-bank {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.22rem;
  min-height: 0;
  align-content: start;
}

.match-card {
  background: #ffffff;
  border: 2px solid #cccccc;
  border-radius: 7px;
  padding: 0.12rem;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 150px;
  min-width: 0;
}

.match-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.definition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.28rem;
}

.definition-box {
  background: #ffffff;
  border: 2px solid #222222;
  border-radius: 8px;
  padding: 0;
  min-height: 0;
}

.drop-slot {
  position: relative;
  height: 128px;
  border: 2px dashed #bbbbbb;
  border-radius: 6px;
  background: #fafafa;
  overflow: hidden;
}

.definition-text {
  position: absolute;
  left: 0.18rem;
  right: 0.18rem;
  bottom: 0.18rem;
  min-height: 34px;
  margin: 0;
  padding: 0.18rem;
  background: rgba(255, 255, 255, 0.92);
  border-top: 2px solid #dddddd;
  border-radius: 4px;
  font-size: 0.22em;
  line-height: 1.05;
  text-align: center;
  z-index: 2;
}

.drop-slot {
  position: relative;
  height: 135px;
  border: 2px dashed #bbbbbb;
  border-radius: 6px;
  background: #fafafa;
  overflow: hidden;
}

/* Smaller definition text at the bottom */
.definition-text {
  position: absolute;
  left: 0.12rem;
  right: 0.12rem;
  bottom: 0.12rem;
  margin: 0;
  padding: 0.08rem 0.12rem;
  background: rgba(255, 255, 255, 0.94);
  border-top: 1px solid #dddddd;
  border-radius: 4px;
  font-size: 0.14em;
  line-height: 0.95;
  text-align: center;
  z-index: 2;
}

/* Make dropped image area larger */
.drop-slot .match-card {
  position: absolute;
  top: 0.08rem;
  left: 0.08rem;
  right: 0.08rem;
  bottom: 26px;
  width: auto;
  height: auto;
  border: none;
  background: transparent;
  padding: 0;
  z-index: 1;
}

.drop-slot .match-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.match-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.28rem;
}

.match-check-btn,
.match-reset-btn {
  font-size: 0.34em;
  padding: 0.24rem 0.5rem;
  border: none;
  border-radius: 999px;
  background: var(--red);
  color: #ffffff;
  cursor: pointer;
}

.match-reset-btn {
  background: var(--gray);
}

.match-feedback {
  font-size: 0.34em;
  min-width: 220px;
  text-align: left;
}

@media (max-width: 1100px) {
  .match-layout {
    grid-template-columns: 24% 1fr;
    gap: 0.3rem;
  }

  .match-bank-panel,
  .definition-grid-panel {
    padding: 0.22rem;
  }

  .match-card {
    height: 72px;
    padding: 0.05rem;
  }

  .drop-slot {
    height: 112px;
  }

  .drop-slot .match-card {
    top: 0.05rem;
    left: 0.05rem;
    right: 0.05rem;
    bottom: 22px;
  }

  .definition-text {
    font-size: 0.15em;
    line-height: 0.9;
    padding: 0.05rem 0.08rem;
  }

  .match-bank-panel h3,
  .definition-grid-panel h3 {
    font-size: 0.38em;
  }

  .match-intro,
  .match-feedback,
  .match-check-btn,
  .match-reset-btn {
    font-size: 0.26em;
  }

  .match-controls {
    margin-top: 0.15rem;
  }
}

.drop-slot.filled .definition-text {
  display: none;
}
/* Smaller text for the wiring sort activity */
.wire-sort-slide .sort-chip {
  font-size: 0.34em;
  line-height: 1.05;
  padding: 0.18rem 0.35rem;
  min-height: 0;
}

/* Make the top bank take less vertical space */
.wire-sort-slide .sort-bank {
  min-height: 95px;
  max-height: 155px;
  overflow-y: auto;
  padding: 0.35rem;
  gap: 0.25rem;
  align-content: start;
}

/* Make the target areas a little more compact too */
.wire-sort-slide .sort-targets {
  gap: 0.5rem;
  margin-top: 0.45rem;
}

.wire-sort-slide .sort-zone {
  min-height: 250px;
  padding: 0.45rem;
}

.wire-sort-slide .sort-zone h3 {
  font-size: 0.58em;
  margin-bottom: 0.25rem;
}

.wire-sort-slide .sort-list {
  gap: 0.2rem;
}

/* Smaller bottom controls */
.wire-sort-slide .activity-controls {
  margin-top: 0.35rem;
}

.wire-sort-slide .quiz-button {
  font-size: 0.34em;
  padding: 0.24rem 0.55rem;
}

.wire-sort-slide .activity-feedback {
  font-size: 0.34em;
}

.sensor-click-slide {
  height: 100%;
}

.sensor-click-intro {
  max-width: 1050px;
  margin: 0 auto 0.45rem;
  font-size: 0.42em;
  line-height: 1.15;
  text-align: center;
}

.sensor-click-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
  max-width: 1120px;
  margin: 0 auto;
}

.sensor-click-card {
  min-height: 215px;
  padding: 0.45rem 0.5rem;
  border-radius: 9px;
  background: #f4f4f4;
  border: none;
  border-left: 9px solid var(--red);
  color: #000000;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.sensor-click-card img {
  width: 100%;
  height: 105px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  display: block;
  margin-bottom: 0.3rem;
}

.sensor-click-card h3 {
  font-size: 2.5em;
  margin: 0 0 0.18rem;
}

.sensor-click-card p {
  font-size: 1em;
  line-height: 1.12;
  margin: 0;
}

.sensor-click-card:hover,
.sensor-click-card:focus {
  outline: 4px solid var(--red);
  outline-offset: 3px;
  transform: translateY(-2px);
}

.sensor-click-card.viewed {
  border-left-color: var(--gray);
  opacity: 0.86;
}

.sensor-click-card.viewed h3::after {
  content: " ✓";
  color: var(--gray);
  font-weight: bold;
}

.sensor-note {
  margin-top: 0.4rem;
  font-size: 0.34em;
  line-height: 1.12;
}

@media (max-width: 1100px) {
  .sensor-click-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.35rem;
  }

  .sensor-click-card {
    min-height: 175px;
    padding: 0.32rem 0.38rem;
  }

  .sensor-click-card img {
    height: 82px;
  }

  .sensor-click-card h3 {
    font-size: 0.46em;
  }

  .sensor-click-card p,
  .sensor-click-intro,
  .sensor-note {
    font-size: 0.28em;
  }
}
.label-doc-slide .elec-card,
.label-doc-slide .doc-card,
.label-doc-slide .panel,
.label-example-card {
  padding: 0.55rem 0.65rem;
}

.label-doc-intro {
  max-width: 1000px;
  margin: 0 auto 0.55rem;
  font-size: 0.54em;
  line-height: 1.18;
}

.label-example-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 0.25rem;
  max-width: 1600px;
  margin: 0 auto;
}

.label-example-card {
  background: #f4f4f4;
  border-left: 9px solid var(--red);
  border-radius: 8px;
  text-align: left;
}

.label-example-card h3 {
  font-size: 0.68em;
  margin: 0 0 0.25rem;
  text-align: center;
}

.label-example-card ul {
  margin: 0.15rem 0 0;
  padding-left: 2em;

}
.label-example-card li {
  font-size: 0.7em;
  line-height: 1.4;
  text-align: left;
  padding-left: 2;
}

.label-code {
  background: #ffffff;
  border-left: 7px solid var(--gray);
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  font-family: monospace;
  font-size: 0.42em;
  margin: 0 0 0.35rem;
}

/* Maximize image width */
.label-example-card img {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 470px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 6px;
}

.compact-doc-table {
  font-size: 0.34em;
}

.documentation-table-wrap {
  max-width: 1100px;
  margin: 0 auto;
}

.label-process-strip {
  margin-bottom: 0.7rem;
}

.reveal img.max-width-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}