:root {
  --bg: #f3f6fa;
  --surface: #ffffff;
  --ink: #162033;
  --muted: #5d6a7c;
  --line: #cbd7e6;
  --accent: #0b63ce;
  --accent-soft: #e7f0ff;
  --green: #087f5b;
  --green-soft: #e6f6ef;
  --purple: #7048e8;
  --purple-soft: #f0ebff;
  --orange: #d9480f;
  --orange-soft: #fff1e8;
  --danger: #c92a2a;
  --shadow: 0 18px 42px rgba(30, 43, 68, .12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.35;
}

button {
  font: inherit;
}

a.tab-button {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.app-shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.topbar > div {
  flex: 0 0 178px;
}

.topbar h1,
.module-heading h2,
.card-pool h3,
.drop-panel h3,
.reflection-box h3,
.evidence-panel h3,
.map-card h3 {
  margin: 0;
  letter-spacing: 0;
}

.topbar h1 {
  font-size: 26px;
}

.topbar p,
.module-heading p,
.card-pool h3,
.drop-panel h3,
.feedback,
.reflection-box p,
.field-label {
  color: var(--muted);
}

.topbar p,
.module-heading p,
.feedback,
.reflection-box p {
  margin: 4px 0 0;
}

.module-tabs {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 8px;
}

.tab-button,
.primary-button,
.secondary-button,
.map-mode-button {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 13px;
  min-height: 42px;
  color: var(--ink);
  background: white;
  font-weight: 700;
  cursor: pointer;
}

.tab-button.active,
.primary-button,
.map-mode-button.active {
  border-color: var(--accent);
  color: white;
  background: var(--accent);
}

.secondary-button:hover,
.tab-button:hover,
.map-mode-button:hover {
  border-color: var(--accent);
}

.module {
  display: none;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.module.active {
  display: block;
}

.module-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.module-heading h2 {
  font-size: 24px;
}

.score-card {
  min-width: 98px;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.score-card span {
  display: block;
  font-size: 30px;
  line-height: 1;
}

.score-card small {
  color: var(--muted);
}

.activity-layout {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(340px, 1.05fr);
  gap: 16px;
}

.card-pool,
.drop-panel {
  min-width: 0;
}

.card-pool h3,
.drop-panel h3 {
  margin-bottom: 10px;
  font-size: 14px;
  text-transform: uppercase;
}

.draggable-grid,
.drop-grid {
  display: grid;
  gap: 12px;
}

.draggable-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.drag-card,
.drop-zone {
  border: 2px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.drag-card {
  min-height: 228px;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
  cursor: grab;
}

.drag-card:focus,
.drop-zone:focus,
.flash-card:focus,
.symptom-card:focus,
.check-zone:focus,
.laptop-study-row:focus,
.laptop-map-zone:focus,
.mini-check-button:focus,
.ticket-card:focus,
.stage-button:focus,
.topology-node:focus,
.map-mode-button:focus,
.mode-button:focus,
.course-module-button:focus,
.course-read-button:focus,
.course-start-button:focus,
.route-button:focus,
textarea:focus {
  outline: 3px solid rgba(11, 99, 206, .35);
  outline-offset: 2px;
}

.drag-card.selected,
.symptom-card.selected,
.ticket-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(11, 99, 206, .14);
}

.drag-card.placed {
  opacity: .45;
  cursor: default;
}

.drag-card img {
  width: 100%;
  height: 158px;
  object-fit: contain;
  padding: 10px;
  background: white;
}

.drag-card-footer {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border-top: 1px solid var(--line);
  font-weight: 700;
}

.asset-id {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.drop-zone {
  min-height: 154px;
  padding: 12px;
}

.drop-zone.over,
.drop-zone.selected-target {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.drop-zone.correct {
  border-color: var(--green);
  background: var(--green-soft);
}

.laptop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .36fr);
  gap: 18px;
  align-items: start;
}

.laptop-map-panel,
.laptop-side-panel {
  min-width: 0;
}

.laptop-side-panel {
  display: grid;
  gap: 14px;
}

.laptop-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.laptop-panel-head.compact {
  align-items: start;
}

.laptop-panel-head h3,
.laptop-panel-head p,
.laptop-stage-header h3,
.laptop-stage-header p,
.laptop-view-title span,
.laptop-view-title small,
.laptop-detail-panel h3,
.laptop-detail-panel p,
.laptop-match-list h3 {
  margin: 0;
}

.laptop-panel-head h3,
.laptop-match-list h3 {
  color: var(--muted);
  font-size: 14px;
  text-transform: uppercase;
}

.laptop-panel-head p {
  margin-top: 4px;
  color: var(--muted);
  font-weight: 700;
}

.laptop-mode-bar {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbff;
}

.mode-button {
  min-height: 36px;
  border: 0;
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.mode-button.active {
  color: white;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(11, 99, 206, .18);
}

.compact-button {
  min-height: 36px;
  padding: 8px 10px;
  font-size: 12px;
}

.compact-button.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.laptop-part-grid {
  display: grid;
  gap: 10px;
}

.laptop-study-list,
.laptop-answer-grid {
  display: grid;
  gap: 10px;
}

.laptop-study-row,
.laptop-answer-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 8px 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.laptop-study-row {
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.laptop-study-row:hover,
.laptop-study-row.active,
.laptop-study-row.course-focused {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 10px 22px rgba(30, 43, 68, .08);
  transform: translateY(-1px);
}

.answer-index {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  color: white;
  background: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.study-copy,
.answer-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.study-copy small,
.answer-copy small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.answer-input {
  grid-column: 1 / -1;
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
  font-weight: 800;
}

.answer-input:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(11, 99, 206, .2);
  outline-offset: 1px;
}

.mini-check-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent);
  background: white;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.mini-check-button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.answer-status {
  justify-self: end;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.laptop-answer-row.correct {
  border-color: rgba(8, 127, 91, .45);
  background: var(--green-soft);
}

.laptop-answer-row.correct .answer-index {
  background: var(--green);
}

.laptop-answer-row.wrong {
  border-color: rgba(176, 42, 42, .38);
  background: #fff5f5;
}

.laptop-answer-row.wrong .answer-index {
  background: #b02a2a;
}

.laptop-answer-row.pending {
  border-color: rgba(11, 99, 206, .28);
}

.laptop-zone-grid {
  display: grid;
  gap: 14px;
  overflow: visible;
  padding: 18px;
  border: 2px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.laptop-stage-header {
  text-align: center;
}

.laptop-stage-header h3 {
  color: var(--accent);
  font-size: 34px;
  line-height: 1;
  text-transform: uppercase;
}

.laptop-stage-header p {
  margin-top: 8px;
  color: var(--muted);
  font-weight: 700;
}

.laptop-view-grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 14px;
}

.laptop-view-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  box-shadow: 0 14px 32px rgba(30, 43, 68, .07);
}

.laptop-view-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  padding: 12px 14px 0;
  color: var(--accent);
  font-weight: 900;
  text-transform: uppercase;
}

.laptop-view-title small {
  color: var(--muted);
  font-size: 11px;
  text-align: right;
  text-transform: none;
}

.laptop-view-card img {
  display: block;
  width: 100%;
  height: auto;
}

.laptop-open-view img {
  max-height: 410px;
  object-fit: contain;
}

.laptop-external-view,
.laptop-internal-view-card {
  overflow: visible;
}

.laptop-internal-view-card {
  grid-row: span 2;
}

.laptop-art-wrap {
  position: relative;
}

.laptop-map-zone {
  position: absolute;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 999px;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, .95);
  box-shadow: 0 8px 18px rgba(30, 43, 68, .12);
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .16s ease;
  z-index: 2;
}

.laptop-map-zone.active,
.laptop-map-zone.hinted,
.laptop-map-zone.course-focused {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 5px rgba(11, 99, 206, .12), 0 14px 30px rgba(30, 43, 68, .12);
}

.laptop-map-zone.correct {
  border-color: var(--green);
  background: var(--green-soft);
}

.laptop-map-zone:hover {
  transform: translateY(-2px) scale(1.04);
}

.anchor-number {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  color: white;
  background: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.laptop-map-zone.correct .anchor-number {
  background: var(--green);
}

.hotspot-popup {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  display: grid;
  gap: 4px;
  width: min(230px, 44vw);
  padding: 10px 12px;
  border: 1px solid rgba(11, 99, 206, .22);
  border-radius: 10px;
  color: var(--ink);
  background: white;
  box-shadow: 0 18px 34px rgba(30, 43, 68, .16);
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(4px);
  transition: opacity .16s ease, transform .16s ease;
  z-index: 6;
}

.hotspot-popup strong {
  color: var(--accent);
  font-size: 13px;
}

.hotspot-popup small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.laptop-map-zone:hover .hotspot-popup,
.laptop-map-zone:focus .hotspot-popup,
.laptop-map-zone.hinted .hotspot-popup {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.anchor-usbc {
  left: 18%;
  top: 24%;
}

.anchor-hdmi {
  left: 18%;
  top: 70%;
}

.anchor-ram {
  right: 20%;
  top: 18%;
}

.anchor-ssd {
  left: 18%;
  top: 72%;
}

.anchor-wifi {
  right: 20%;
  top: 45%;
}

.map-note {
  margin: 0;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  background: white;
  font-size: 12px;
  font-weight: 800;
}

.laptop-detail-panel,
.laptop-match-list {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdff;
}

.laptop-detail-panel {
  display: grid;
  gap: 10px;
}

.laptop-detail-panel h3 {
  font-size: 21px;
}

.laptop-detail-panel p {
  color: var(--muted);
  font-weight: 700;
}

.laptop-detail-grid {
  display: grid;
  gap: 8px;
  margin: 0;
}

.laptop-detail-grid div {
  display: grid;
  gap: 2px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.laptop-detail-grid dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.laptop-detail-grid dd {
  margin: 0;
  font-weight: 800;
}

.laptop-guidance {
  padding: 10px;
  border-radius: 10px;
  color: var(--accent);
  background: var(--accent-soft);
}

.laptop-match-list ol {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.laptop-match-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 2px 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.laptop-match-list li span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 11px;
  font-weight: 900;
}

.laptop-match-list li.done {
  border-color: rgba(8, 127, 91, .45);
  background: var(--green-soft);
}

.laptop-match-list li.done span {
  color: white;
  background: var(--green);
}

.laptop-match-list li.active {
  border-color: rgba(11, 99, 206, .3);
  box-shadow: inset 3px 0 0 var(--accent);
}

.laptop-match-list li.wrong {
  border-color: rgba(176, 42, 42, .38);
  background: #fff5f5;
}

.laptop-match-list li.wrong span {
  color: white;
  background: #b02a2a;
}

.laptop-match-list strong,
.laptop-match-list small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.laptop-match-list small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.drop-zone h4 {
  margin: 0;
  font-size: 17px;
}

.drop-zone p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.drop-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 42px;
}

.placed-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 9px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}

.feedback-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.feedback.good {
  color: var(--green);
  font-weight: 700;
}

.feedback.bad {
  color: var(--danger);
  font-weight: 700;
}

.course-focus-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, .8fr) auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--accent);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
}

.course-focus-panel[hidden] {
  display: none;
}

.course-focus-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.course-focus-copy h3,
.course-focus-copy p {
  margin: 0;
}

.course-focus-copy h3 {
  font-size: 20px;
}

.course-focus-copy p {
  color: var(--muted);
}

.course-focus-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.course-focus-steps span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  max-width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.course-focus-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px;
}

.focus-action {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 13px;
}

.course-focused {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 4px rgba(11, 99, 206, .14);
}

.map-hero {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: 14px;
  align-items: stretch;
  margin-bottom: 16px;
}

.map-mode-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.map-mode-button {
  width: 100%;
  background: white;
}

.map-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.map-summary-grid article {
  display: grid;
  place-items: center;
  min-height: 84px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  text-align: center;
}

.map-summary-grid span {
  color: var(--accent);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}

.map-summary-grid p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.map-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.map-workspace {
  display: grid;
  gap: 14px;
}

.map-workspace.course-mode {
  grid-template-columns: minmax(0, 2.05fr) minmax(250px, .75fr);
  align-items: start;
}

.course-sequence-panel {
  position: sticky;
  top: 16px;
  display: grid;
  gap: 12px;
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
  background: #fbfdff;
}

.course-sequence-panel[hidden] {
  display: none;
}

.course-panel-header {
  display: grid;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.course-panel-header h3,
.course-module-group h4 {
  margin: 0;
}

.course-panel-header p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.course-module-list {
  display: grid;
  gap: 12px;
}

.course-module-group {
  display: grid;
  gap: 8px;
}

.course-module-group h4 {
  color: var(--accent);
  font-size: 14px;
}

.course-module-group ol {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 22px;
}

.course-module-group li {
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
}

.course-module-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 6px;
  align-items: start;
  margin-left: -2px;
}

.course-module-button {
  display: grid;
  gap: 2px;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 6px 8px;
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.course-module-button:hover,
.course-module-button.active,
.course-module-row.active .course-read-button,
.course-module-row.active .course-start-button {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.course-start-button {
  min-width: 70px;
}

.course-read-button,
.course-start-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 9px;
  color: var(--accent);
  background: white;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  text-decoration: none;
}

.course-read-button {
  display: inline-grid;
  place-items: center;
  min-width: 48px;
  color: var(--ink);
  font-weight: 800;
}

.course-read-button:hover,
.course-start-button:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.course-module-button span {
  font-size: 13px;
  font-weight: 900;
}

.course-module-button small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.map-card {
  display: grid;
  gap: 9px;
  min-width: 0;
  min-height: 260px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.map-card.built {
  border-top: 4px solid var(--green);
}

.map-card.planned {
  border-top: 4px solid var(--orange);
}

.map-card.highlighted {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(11, 99, 206, .15);
}

.map-card-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.map-thumb {
  display: grid;
  place-items: center;
  width: 62px;
  height: 46px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent);
  background: white;
  font-weight: 900;
}

.map-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.route-status {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 7px;
  border-radius: 999px;
  color: var(--muted);
  background: white;
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 900;
}

.map-card h3 {
  font-size: 17px;
  line-height: 1.2;
}

.map-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.map-bridge {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}

.map-bridge-item {
  min-width: 0;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.map-bridge-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.map-bridge-item span {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.map-bridge-item strong {
  display: block;
  font-size: 11px;
  line-height: 1.25;
}

.topic-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 9px;
  align-content: start;
}

.topic-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  max-width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.2;
}

.map-card-footer {
  display: grid;
  gap: 8px;
  align-items: end;
  margin-top: auto;
}

.map-card-footer small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.map-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.material-link {
  text-decoration: none;
}

.route-button {
  white-space: normal;
}

.symptom-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
}

.symptom-grid,
.check-grid {
  display: grid;
  gap: 12px;
}

.symptom-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.symptom-card,
.check-zone {
  border: 2px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.symptom-card {
  min-height: 184px;
  padding: 12px;
  text-align: left;
  cursor: pointer;
}

.symptom-card.placed {
  opacity: .45;
  cursor: default;
}

.clue-visual {
  display: grid;
  place-items: center;
  min-height: 82px;
  margin-bottom: 10px;
  border-radius: 7px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.clue-visual.network-clue {
  color: var(--accent);
  background: var(--accent-soft);
}

.clue-visual.display-clue {
  color: var(--green);
  background: var(--green-soft);
}

.clue-visual.security-clue {
  color: var(--orange);
  background: var(--orange-soft);
}

.clue-visual.os-clue {
  color: var(--purple);
  background: var(--purple-soft);
}

.clue-visual.software-clue {
  color: var(--danger);
  background: #fff5f5;
}

.symptom-card h4,
.check-zone h4,
.ticket-card h4 {
  margin: 0;
  font-size: 19px;
}

.symptom-card p,
.check-zone p,
.ticket-card p {
  margin: 5px 0 0;
  color: var(--muted);
}

.check-zone {
  min-height: 130px;
  padding: 13px;
  text-align: left;
  cursor: pointer;
}

.check-zone.correct {
  border-color: var(--green);
  background: var(--green-soft);
}

.check-zone.over {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.ticket-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.ticket-column {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  overflow: hidden;
}

.ticket-column header {
  padding: 11px;
  border-bottom: 1px solid var(--line);
  background: white;
}

.ticket-column h3 {
  margin: 0;
  font-size: 14px;
  text-transform: uppercase;
}

.ticket-list {
  display: grid;
  gap: 10px;
  min-height: 380px;
  padding: 10px;
  align-content: start;
}

.ticket-card {
  width: 100%;
  min-height: 138px;
  padding: 11px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: white;
  text-align: left;
  cursor: pointer;
}

.ticket-card.done {
  border-color: var(--green);
  background: var(--green-soft);
}

.ticket-id {
  display: inline-flex;
  margin-bottom: 7px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.stage-controls {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.stage-button {
  flex: 1;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.stage-button:hover {
  border-color: var(--accent);
}

.topology-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 16px;
}

.topology-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.topology-node {
  min-height: 154px;
  padding: 12px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: white;
  text-align: center;
  cursor: pointer;
}

.topology-node.current {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.topology-node.traced {
  border-color: var(--green);
  background: var(--green-soft);
}

.topology-node.decoy {
  opacity: .72;
}

.node-icon {
  display: grid;
  place-items: center;
  min-height: 66px;
  margin-bottom: 10px;
  border-radius: 7px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: .05em;
}

.topology-node.traced .node-icon {
  color: var(--green);
  background: var(--green-soft);
}

.topology-node h4,
.path-panel h3 {
  margin: 0;
}

.topology-node p {
  margin: 5px 0 0;
  color: var(--muted);
}

.path-panel {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.path-strip {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.path-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  font-weight: 800;
}

.path-step.done {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-soft);
}

.path-step.current {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.flash-wrap {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.flash-card {
  position: relative;
  width: min(100%, 620px);
  min-height: 440px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: white;
  cursor: pointer;
  transform-style: preserve-3d;
}

.flash-card.flipped .flash-front {
  display: none;
}

.flash-card:not(.flipped) .flash-back {
  display: none;
}

.flash-face {
  min-height: 440px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 12px;
  padding: 22px;
  text-align: center;
}

.flash-face img {
  width: min(100%, 430px);
  height: 240px;
  object-fit: contain;
}

.flash-face h3 {
  margin: 0;
  font-size: 30px;
}

.flash-face p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.asset-pill {
  justify-self: start;
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 800;
}

.flash-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px;
}

.progress-tile {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  text-align: center;
}

.progress-tile span {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 34px;
  font-weight: 800;
}

.progress-tile p {
  margin: 0;
  color: var(--muted);
}

.reflection-box {
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--orange-soft);
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(360px, 1.28fr);
  gap: 16px;
}

.evidence-panel {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.field-label {
  font-size: 13px;
  font-weight: 800;
}

textarea {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: var(--ink);
  background: white;
  font: 15px/1.45 Arial, Helvetica, sans-serif;
}

#evidence-summary {
  min-height: 340px;
  font-family: "Courier New", Consolas, monospace;
}

.evidence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

@media (max-width: 840px) {
  .topbar,
  .module-heading,
  .feedback-row {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar > div {
    flex: none;
  }

  .activity-layout,
  .laptop-layout,
  .progress-grid,
  .ticket-board,
  .topology-wrap,
  .topology-map,
  .evidence-layout,
  .map-hero,
  .map-workspace,
  .map-grid,
  .map-workspace.course-mode,
  .map-bridge,
  .course-focus-panel {
    grid-template-columns: 1fr;
  }

  .course-focus-actions {
    justify-content: stretch;
  }

  .course-focus-actions .focus-action {
    flex: 1 1 130px;
  }

  .course-sequence-panel {
    position: static;
    max-height: none;
  }

  .map-mode-bar,
  .map-summary-grid {
    grid-template-columns: 1fr;
  }

  .map-card-footer {
    grid-template-columns: 1fr;
  }

  .draggable-grid,
  .symptom-grid {
    grid-template-columns: 1fr;
  }

  .ticket-list {
    min-height: 120px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 14px;
  }

  .laptop-panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .laptop-mode-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .laptop-zone-grid {
    padding: 12px;
  }

  .laptop-stage-header h3 {
    font-size: 26px;
  }

  .laptop-view-grid {
    grid-template-columns: 1fr;
  }

  .laptop-internal-view-card {
    grid-row: auto;
  }

  .laptop-view-title {
    align-items: start;
    flex-direction: column;
  }

  .laptop-view-title small {
    text-align: left;
  }

  .laptop-map-zone {
    width: 30px;
    height: 30px;
  }

  .laptop-map-zone:hover {
    transform: translateY(-1px) scale(1.04);
  }

  .anchor-number {
    width: 23px;
    height: 23px;
    font-size: 11px;
  }

  .hotspot-popup {
    left: 50%;
    bottom: calc(100% + 8px);
    width: min(220px, 70vw);
    transform: translateX(-50%) translateY(4px);
  }

  .laptop-map-zone:hover .hotspot-popup,
  .laptop-map-zone:focus .hotspot-popup,
  .laptop-map-zone.hinted .hotspot-popup {
    transform: translateX(-50%) translateY(0);
  }

  .anchor-usbc,
  .anchor-hdmi {
    left: 18%;
  }

  .anchor-usbc {
    top: 23%;
  }

  .anchor-hdmi {
    top: 66%;
  }

  .anchor-ram {
    right: 18%;
    top: 14%;
  }

  .anchor-ssd {
    left: 18%;
    top: 72%;
  }

  .anchor-wifi {
    right: 18%;
    top: 43%;
  }
}

/* Landing page field-manual refresh */
:root {
  --bg: #f2f3f1;
  --surface: #fbfbfa;
  --ink: #171b21;
  --muted: #3d4654;
  --line: #c9cdc9;
  --accent: #0f5c9e;
  --accent-soft: #e8f1ff;
  --green: #1c6b45;
  --green-soft: #e9f4ee;
  --purple: #5b4a9e;
  --purple-soft: #eeeafa;
  --orange: #b4540a;
  --orange-soft: #fff1e4;
  --danger: #a23227;
  --shadow: none;
}

body {
  font-size: 14px;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background:
    linear-gradient(#e5e8e5 1px, transparent 1px),
    linear-gradient(90deg, #e5e8e5 1px, transparent 1px),
    var(--bg);
  background-size: 24px 24px;
}

.app-shell {
  width: min(100%, 1280px);
  padding: 6px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(210px, 250px) 1fr;
  align-items: start;
  gap: 12px;
  margin-bottom: 6px;
  padding: 9px 12px;
  border-color: #171b21;
  border-radius: 3px;
  background: #171b21;
}

.topbar > div {
  flex: none;
}

.topbar h1 {
  color: #fbfbfa;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
}

.topbar p {
  max-width: 230px;
  color: #d4d9df;
  font-size: 12px;
}

.module-tabs {
  justify-content: flex-end;
  gap: 4px;
}

.tab-button,
.primary-button,
.secondary-button,
.map-mode-button,
.route-button,
.material-link,
.course-read-button,
.course-start-button,
.course-module-button,
.mode-button,
.stage-button,
.mini-check-button {
  min-height: 32px;
  border-color: #9ea59e;
  border-radius: 3px;
  padding: 6px 9px;
  font-size: 12px;
  line-height: 1.15;
}

.tab-button {
  color: #f6f7f5;
  border-color: #49515a;
  background: #242a32;
}

.tab-button:hover {
  border-color: #9fb9d6;
  background: #2d3540;
}

.tab-button.active,
.primary-button,
.map-mode-button.active,
.route-button:hover,
.material-link:hover,
.course-start-button {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.module {
  padding: 10px 12px;
  border-radius: 3px;
  border-top: 3px solid #171b21;
  background: rgba(251, 251, 250, .98);
}

.module-heading {
  gap: 10px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom-style: dashed;
}

.module-heading h2 {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.1;
}

.module-heading p,
.feedback,
.reflection-box p {
  font-size: 12px;
}

.score-card {
  min-width: 76px;
  padding: 7px 8px;
  border: 1px solid #c4d3e6;
  border-radius: 3px;
  background: #e8f1ff;
}

.score-card span {
  font-size: 25px;
}

.score-card small,
.field-label,
.card-pool h3,
.drop-panel h3 {
  font-family: "Courier New", Consolas, monospace;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.map-hero {
  grid-template-columns: minmax(0, .95fr) minmax(270px, .75fr);
  gap: 6px;
  margin-bottom: 8px;
}

.map-mode-bar,
.map-summary-grid article,
.map-card,
.course-sequence-panel,
.course-group,
.course-focus-panel,
.card-pool,
.drop-panel,
.reflection-box,
.evidence-panel,
.progress-tile,
.drag-card,
.drop-zone,
.symptom-card,
.check-zone,
.ticket-column,
.topology-map,
.topology-detail,
.laptop-map-panel,
.laptop-side-panel,
.laptop-stage {
  border-radius: 3px;
  box-shadow: none;
}

.map-mode-bar {
  gap: 4px;
  padding: 6px;
  background: #f5f6f4;
}

.map-mode-button {
  background: #fbfbfa;
}

.map-summary-grid {
  gap: 6px;
}

.map-summary-grid article {
  min-height: 56px;
  padding: 7px 8px;
  background: #f5f6f4;
}

.map-summary-grid span {
  font-size: 25px;
}

.map-summary-grid p {
  margin-top: 2px;
  font-size: 11px;
}

.map-grid {
  gap: 6px;
}

.map-workspace {
  gap: 8px;
}

.map-workspace.course-mode {
  grid-template-columns: minmax(0, 2.2fr) minmax(250px, .72fr);
}

.map-card {
  min-height: 218px;
  gap: 6px;
  padding: 9px;
  border-color: #c4c9c4;
  background: #fbfbfa;
}

.map-card.built {
  border-top: 3px solid var(--green);
}

.map-card.planned {
  border-top: 3px solid var(--orange);
}

.map-card.highlighted {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(15, 92, 158, .16);
}

.map-card-top {
  gap: 6px;
}

.map-thumb {
  width: 48px;
  height: 36px;
  border-radius: 3px;
  background: #f5f6f4;
}

.map-thumb span {
  color: var(--accent);
  font-family: "Courier New", Consolas, monospace;
  font-size: 16px;
  font-weight: 800;
}

.route-status {
  min-height: 20px;
  border-radius: 999px;
  padding: 4px 7px;
  font-family: "Courier New", Consolas, monospace;
  font-size: 10px;
  letter-spacing: .05em;
}

.map-card h3 {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 800;
}

.map-card p,
.map-card-footer small,
.topic-strip span {
  font-size: 11.5px;
  line-height: 1.3;
}

.map-bridge {
  gap: 4px;
}

.map-bridge-item {
  padding: 5px;
  border-radius: 3px;
  background: #f8f9f7;
}

.map-bridge-item span {
  font-size: 9px;
}

.map-bridge-item strong {
  font-size: 10.5px;
}

.topic-strip {
  gap: 4px 6px;
}

.map-card-footer {
  gap: 6px;
}

.map-card-actions {
  gap: 4px;
}

.feedback-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top-style: dashed;
}

.activity-layout,
.evidence-layout,
.laptop-layout,
.topology-wrap {
  gap: 8px;
}

.card-pool,
.drop-panel,
.evidence-panel {
  padding: 10px;
  background: #fbfbfa;
}

.draggable-grid,
.drop-grid,
.symptom-grid,
.check-grid,
.progress-grid {
  gap: 8px;
}

.drag-card {
  min-height: 198px;
}

.drag-card img {
  height: 132px;
}

.drag-card-body,
.drop-zone,
.symptom-card,
.check-zone,
.ticket-card,
.progress-tile {
  padding: 10px;
}

.progress-tile span {
  font-size: 28px;
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .module-tabs {
    justify-content: flex-start;
  }

  .map-hero {
    grid-template-columns: 1fr;
  }

  .map-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 6px;
  }

  .topbar h1 {
    font-size: 21px;
  }

  .tab-button,
  .primary-button,
  .secondary-button,
  .map-mode-button,
  .route-button,
  .material-link {
    min-height: 34px;
  }

  .map-grid {
    grid-template-columns: 1fr;
  }
}