:root {
  --bg: #eef4f8;
  --surface: #ffffff;
  --surface-soft: #f6f9fc;
  --surface-tint: #e8f3ff;
  --ink: #111827;
  --muted: #607080;
  --subtle: #83909c;
  --line: #dbe4e7;
  --line-strong: #c7d4d8;
  --teal: #0a66c2;
  --teal-dark: #004182;
  --teal-ink: #073b63;
  --teal-soft: #e8f3ff;
  --blue: #0a66c2;
  --blue-soft: #e8f3ff;
  --amber: #c7632c;
  --amber-soft: #fff0e6;
  --green: #0a66c2;
  --green-soft: #e8f3ff;
  --red: #b94747;
  --red-soft: #fae7e7;
  --shadow: 0 18px 45px rgba(15, 35, 50, 0.08);
  --shadow-soft: 0 8px 24px rgba(15, 35, 50, 0.06);
  --radius: 8px;
  --sidebar: #06294a;
  --sidebar-2: #073b70;
  --sidebar-line: rgba(255, 255, 255, 0.14);
  --sidebar-text: #f4faff;
  --sidebar-muted: #bbd5ed;
  --motion-smooth: cubic-bezier(0.2, 0.82, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(0, 109, 104, 0.04), rgba(35, 103, 162, 0.02) 320px),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: var(--teal);
}

button,
select,
input {
  font: inherit;
}

button,
a,
select,
input,
summary {
  outline-color: var(--teal);
}

@keyframes pageSlideIn {
  from {
    opacity: 0;
    transform: translateX(18px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes contentSlideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.app-shell {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px 18px;
  overflow-y: auto;
  color: var(--sidebar-text);
  background:
    linear-gradient(180deg, rgba(0, 100, 105, 0.94), rgba(0, 48, 54, 0.98)),
    var(--sidebar);
  border-right: 1px solid rgba(0, 0, 0, 0.08);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 2px 4px 10px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.brand-mark svg {
  width: 29px;
  height: 29px;
  fill: currentColor;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 18px;
  line-height: 1.08;
}

.brand span {
  margin-top: 4px;
  color: var(--sidebar-muted);
  font-size: 13px;
}

.primary-nav {
  display: grid;
  gap: 7px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 43px;
  padding: 9px 11px;
  color: var(--sidebar-text);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 650;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  box-shadow: inset 3px 0 0 #8ce9e0;
}

.nav-icon,
.mini-icon {
  width: 25px;
  height: 25px;
  display: inline-grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 850;
  line-height: 1;
  flex: 0 0 auto;
}

.nav-link .nav-icon {
  color: #e9ffff;
  opacity: 0.92;
}

.helper-card {
  margin-top: auto;
  padding: 16px;
  border: 1px solid var(--sidebar-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.helper-card strong {
  display: block;
  margin-top: 10px;
}

.helper-card p {
  margin: 8px 0 0;
  color: var(--sidebar-muted);
  font-size: 13px;
  line-height: 1.48;
}

.main {
  min-width: 0;
  padding: 30px 34px 44px;
}

.topbar,
.progress-band,
.panel,
.module-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 24px 26px;
  margin-bottom: 16px;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 7px;
  color: #111827;
  font-size: 30px;
  line-height: 1.08;
}

h2 {
  margin-bottom: 7px;
  font-size: 22px;
  line-height: 1.18;
}

h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.25;
}

h4 {
  color: #25313a;
}

.topbar p,
.section-title p,
.panel-intro,
.panel p,
.module-card p,
.recipe-card p,
.agent-card p {
  color: var(--muted);
  line-height: 1.52;
}

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

.primary-button,
.ghost-button,
.source-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 15px;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 750;
}

.primary-button {
  color: #ffffff;
  background: var(--teal);
  border: 1px solid var(--teal);
  box-shadow: 0 8px 18px rgba(0, 109, 104, 0.18);
}

.primary-button:hover {
  background: var(--teal-dark);
}

.ghost-button,
.source-link {
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
}

.ghost-button:hover,
.source-link:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.progress-band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 20px 22px;
  margin-bottom: 18px;
}

.ring {
  --progress: 0%;
  position: relative;
  width: 90px;
  height: 90px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--teal) var(--progress), #e5ecef 0);
}

.ring::after {
  content: "";
  position: absolute;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--line);
}

.ring span {
  position: relative;
  z-index: 1;
  font-size: 19px;
  font-weight: 850;
}

.progress-copy strong {
  display: block;
  font-size: 18px;
}

.progress-copy p {
  margin: 6px 0 12px;
}

.progress-track {
  height: 9px;
  overflow: hidden;
  background: #e6edef;
  border-radius: 999px;
}

.progress-track span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--amber));
  border-radius: inherit;
  transition: width 0.25s ease;
}

.course-page[hidden] {
  display: none !important;
}

.course-page:not([hidden]) {
  animation: pageSlideIn 0.38s cubic-bezier(0.2, 0.82, 0.2, 1) both;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 18px;
  margin-bottom: 18px;
}

.panel,
.module-section {
  padding: 22px;
}

.wide {
  grid-column: 1 / -1;
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.section-title.compact {
  margin-top: 28px;
  padding-top: 4px;
}

.section-title.tight {
  margin-bottom: 12px;
}

.compact-title {
  margin-top: 24px;
  margin-bottom: 12px;
}

.journey-map,
.vscode-layout-map,
.claude-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 12px;
  align-items: stretch;
  margin-bottom: 18px;
}

.map-step,
.vscode-layout-map article,
.claude-flow article {
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.map-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 8px;
  font-weight: 850;
}

.map-step strong,
.vscode-layout-map strong,
.claude-flow strong {
  display: block;
}

.map-step p,
.vscode-layout-map p,
.claude-flow p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.map-line {
  display: none;
}

.field-label {
  display: block;
  margin: 14px 0 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

select,
input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

input::placeholder {
  color: #95a1aa;
}

.recommendation {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid #b8deda;
  border-radius: var(--radius);
  background: var(--teal-soft);
}

.recommendation.amber {
  border-color: #ebd3a8;
  background: var(--amber-soft);
}

.recommendation strong {
  display: block;
  margin-bottom: 5px;
}

.module-section {
  margin-bottom: 18px;
}

.module-list,
.term-stack,
.safety-list,
.setup-list,
.sim-steps,
.accordion-group,
.deploy-step-list,
.quiz-card {
  display: grid;
  gap: 10px;
}

.module-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 15px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.module-card:hover,
.agent-card:hover,
.recipe-card:hover,
.command-card:hover,
.compare-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.module-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 8px;
  font-weight: 850;
}

.module-card h3 {
  margin-bottom: 4px;
}

.module-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.45;
}

.status-toggle {
  min-width: 112px;
  min-height: 36px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
}

.status-toggle.complete {
  color: #ffffff;
  background: var(--green);
  border-color: var(--green);
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.term-stack div,
.safety-list div,
.setup-item,
.deploy-step,
.learning-accordion {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.term-stack div,
.safety-list div {
  padding: 14px;
}

.term-stack strong,
.term-stack span,
.safety-list strong,
.safety-list span {
  display: block;
}

.term-stack span,
.safety-list span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.sim-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 13px;
  text-align: left;
  cursor: pointer;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.sim-step.done {
  border-color: #b7d2ee;
  background: var(--green-soft);
}

.sim-step.current {
  border-color: var(--teal);
  box-shadow: inset 0 0 0 1px var(--teal);
}

.sim-step span:first-child {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-tint);
  color: var(--teal);
  font-weight: 850;
}

.sim-step small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.terminal-card {
  min-height: 94px;
  margin-top: 12px;
  padding: 14px;
  color: #d7fff8;
  background: #111827;
  border-radius: var(--radius);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.comparison-grid,
.microsoft-grid,
.recipe-grid,
.agent-grid,
.flip-grid,
.command-grid {
  display: grid;
  gap: 14px;
}

.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.microsoft-grid,
.flip-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.recipe-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.command-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compare-card,
.recipe-card,
.agent-card,
.command-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.compare-card.featured {
  border-color: #a8d9d5;
  background: linear-gradient(180deg, #ffffff, #f1fbfa);
}

.compare-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  border-radius: 9px;
  color: var(--teal);
  background: var(--teal-soft);
  font-weight: 900;
}

code {
  display: inline-block;
  max-width: 100%;
  padding: 6px 8px;
  color: #25313a;
  background: #f0f4f5;
  border: 1px solid #e0e8ea;
  border-radius: 7px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  white-space: normal;
}

.lesson-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.lesson-tab {
  min-height: 38px;
  padding: 0 13px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
}

.lesson-tab.active,
.lesson-tab:hover {
  color: #ffffff;
  background: var(--teal);
  border-color: var(--teal);
}

.microsoft-course,
.github-course,
.vscode-lesson,
.claude-lesson,
.deploy-guide {
  margin-bottom: 18px;
}

.lesson-main {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f9fbfc);
}

.lesson-heading {
  margin-bottom: 14px;
}

.lesson-heading h3 {
  margin-top: 10px;
  font-size: 22px;
}

.rookie-callout {
  padding: 14px;
  margin-bottom: 16px;
  border: 1px solid #bad3ed;
  border-radius: var(--radius);
  background: var(--teal-soft);
}

.rookie-callout strong {
  display: block;
  margin-bottom: 5px;
  color: var(--teal-dark);
}

.rookie-callout p {
  margin: 0;
  color: #263d56;
}

.lesson-columns,
.lesson-example,
.microsoft-workshop,
.vscode-scenario-grid,
.claude-tools-grid,
.github-checklist,
.deploy-choice-grid {
  display: grid;
  gap: 14px;
}

.lesson-columns {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  margin-bottom: 14px;
}

.lesson-example {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 14px;
}

.microsoft-workshop,
.vscode-scenario-grid,
.claude-tools-grid,
.deploy-choice-grid {
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  margin-bottom: 18px;
}

.github-concepts {
  margin-bottom: 18px;
}

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

.lesson-columns > div,
.lesson-example > div,
.builder-panel,
.blueprint-card,
.guided-path {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.lesson-columns h4,
.blueprint-card h4,
.deploy-step-body h4 {
  margin: 6px 0 8px;
  font-size: 14px;
}

.lesson-columns ul,
.lesson-columns ol,
.blueprint-card ul,
.guided-path ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.lesson-columns li + li,
.blueprint-card li + li,
.guided-path li + li {
  margin-top: 6px;
}

.lesson-example strong {
  display: block;
  margin-bottom: 5px;
}

.builder-panel p,
.blueprint-card p,
.guided-path p {
  color: var(--muted);
  line-height: 1.52;
}

.blueprint-card {
  display: grid;
  gap: 11px;
}

.blueprint-card code {
  width: 100%;
}

.blueprint-notes {
  display: grid;
  gap: 8px;
}

.blueprint-notes p {
  margin: 0;
  padding: 10px;
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.tag-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--muted);
  background: #eef3f4;
  font-size: 12px;
  font-weight: 750;
}

.tag.low {
  color: #267342;
  background: var(--green-soft);
}

.tag.medium {
  color: var(--amber);
  background: var(--amber-soft);
}

.tag.high {
  color: var(--red);
  background: var(--red-soft);
}

.filter-row {
  display: grid;
  grid-template-columns: 180px 180px minmax(220px, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.agent-card {
  display: grid;
  gap: 10px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.agent-meta {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.small-action {
  justify-self: start;
  min-height: 34px;
  padding: 0 11px;
  font-size: 13px;
}

.flip-card {
  position: relative;
  min-height: 178px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  perspective: 900px;
}

.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  padding: 16px;
  text-align: left;
  border-radius: var(--radius);
  backface-visibility: hidden;
  transition: transform 0.25s ease;
}

.flip-front {
  background: #ffffff;
}

.flip-back {
  color: #ffffff;
  background: var(--teal);
  transform: rotateY(180deg);
}

.flip-card.flipped .flip-front {
  transform: rotateY(180deg);
}

.flip-card.flipped .flip-back {
  transform: rotateY(360deg);
}

.flip-card strong,
.flip-card em,
.flip-card small {
  display: block;
  font-style: normal;
}

.flip-card strong {
  font-size: 17px;
}

.flip-card em {
  color: var(--muted);
  line-height: 1.45;
}

.flip-back em {
  color: #fff0e6;
}

.flip-card small {
  color: var(--teal);
  font-weight: 850;
}

.flip-back small {
  color: #d9fffb;
}

.guided-path {
  display: grid;
  grid-template-columns: minmax(230px, 0.55fr) minmax(0, 1fr);
  gap: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbfc);
}

.learning-accordion,
.deploy-step,
.setup-item {
  overflow: hidden;
}

.learning-accordion summary,
.deploy-step summary,
.setup-item summary {
  cursor: pointer;
  list-style: none;
}

.learning-accordion summary::-webkit-details-marker,
.deploy-step summary::-webkit-details-marker,
.setup-item summary::-webkit-details-marker {
  display: none;
}

.learning-accordion summary {
  padding: 14px 16px;
  font-weight: 850;
}

.learning-accordion p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--muted);
  line-height: 1.56;
}

.setup-item {
  display: block;
  padding: 0;
}

.setup-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.setup-item summary::after {
  content: "Open";
  justify-self: end;
  padding: 5px 9px;
  color: var(--muted);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.setup-item[open] summary::after {
  content: "Close";
  color: var(--teal);
  background: var(--teal-soft);
  border-color: #bad3ed;
}

.setup-item strong,
.setup-item em {
  display: block;
}

.setup-item em {
  margin-top: 4px;
  color: var(--muted);
  font-style: normal;
  line-height: 1.4;
}

.setup-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.setup-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0 14px 14px;
}

.setup-detail-grid section {
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.setup-detail-grid h4 {
  margin: 0 0 7px;
  font-size: 14px;
}

.setup-detail-grid ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.setup-detail-grid li + li {
  margin-top: 5px;
}

.setup-watch {
  grid-column: 1 / -1;
  background: var(--amber-soft) !important;
  border-color: #ecd3a2 !important;
}

.deploy-step summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.deploy-step summary strong,
.deploy-step summary em {
  display: block;
}

.deploy-step summary em {
  margin-top: 4px;
  color: var(--muted);
  font-style: normal;
  line-height: 1.4;
}

.deploy-step-body {
  display: grid;
  gap: 10px;
  padding: 0 14px 14px;
}

.deploy-step-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.command-stack,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recipe-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recipe-card .primary-button {
  margin-top: auto;
}

.button-row .primary-button {
  margin-top: 0;
}

.glossary-list {
  display: grid;
  gap: 9px;
  max-height: 480px;
  padding-right: 4px;
  margin-top: 12px;
  overflow: auto;
}

.glossary-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.glossary-item strong {
  display: block;
}

.glossary-item span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.quiz-question {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.quiz-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.quiz-options button {
  min-height: 36px;
  padding: 0 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.quiz-options button.correct {
  background: var(--green-soft);
  border-color: #b7d2ee;
}

.quiz-options button.wrong {
  background: var(--red-soft);
  border-color: #e4b2b2;
}

.section-pager {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
  margin-top: 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section-pager span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.section-pager button:first-child {
  justify-self: start;
}

.section-pager button:last-child {
  justify-self: end;
}

.section-pager button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.sources {
  box-shadow: none;
}

.sources ul {
  margin-bottom: 0;
  line-height: 1.8;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(17, 24, 39, 0.46);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  position: relative;
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  padding: 26px;
  overflow: auto;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 28px 90px rgba(17, 24, 39, 0.28);
}

.modal h2 {
  padding-right: 96px;
  font-size: 24px;
}

.modal p {
  color: var(--muted);
  line-height: 1.65;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  min-height: 34px;
  padding: 0 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media (max-width: 1180px) {
  .dashboard-grid,
  .comparison-grid,
  .microsoft-grid,
  .flip-grid,
  .recipe-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .wide {
    grid-column: 1 / -1;
  }

  .journey-map,
  .vscode-layout-map,
  .claude-flow,
  .command-grid {
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .main {
    padding: 18px;
  }

  .topbar,
  .progress-band,
  .split-section {
    grid-template-columns: 1fr;
  }

  .dashboard-grid,
  .comparison-grid,
  .microsoft-grid,
  .lesson-columns,
  .lesson-example,
  .flip-grid,
  .microsoft-workshop,
  .guided-path,
  .setup-detail-grid,
  .vscode-layout-map,
  .vscode-scenario-grid,
  .claude-flow,
  .claude-tools-grid,
  .github-checklist,
  .deploy-choice-grid,
  .command-grid,
  .recipe-grid,
  .agent-grid,
  .journey-map,
  .filter-row {
    grid-template-columns: 1fr;
  }

  .progress-band {
    justify-items: start;
  }

  .section-pager {
    grid-template-columns: 1fr;
  }

  .section-pager button,
  .section-pager button:first-child,
  .section-pager button:last-child {
    width: 100%;
    justify-self: stretch;
  }

  .section-pager span {
    text-align: center;
  }

  .module-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .module-card .status-toggle {
    grid-column: 1 / -1;
    width: 100%;
  }
}

/* 2026 learning cockpit redesign.
   This layer keeps the existing content and behavior, then gives the app a
   calmer, more deliberate academy interface. */
:root {
  --bg: #eef4f8;
  --bg-grid: rgba(10, 102, 194, 0.055);
  --surface: #ffffff;
  --surface-soft: #f6f9fc;
  --surface-tint: #e8f3ff;
  --ink: #101820;
  --ink-soft: #26353d;
  --muted: #5c6b73;
  --subtle: #829198;
  --line: #d4e0e8;
  --line-strong: #b7c8d6;
  --teal: #0a66c2;
  --teal-dark: #004182;
  --teal-ink: #073b63;
  --teal-soft: #e8f3ff;
  --blue: #0a66c2;
  --blue-soft: #e8f3ff;
  --amber: #c7632c;
  --amber-soft: #fff0e6;
  --green: #0a66c2;
  --green-soft: #e8f3ff;
  --red: #b94747;
  --red-soft: #fae7e7;
  --shadow: 0 22px 56px rgba(10, 49, 85, 0.11);
  --shadow-soft: 0 10px 28px rgba(10, 49, 85, 0.075);
  --shadow-tight: 0 4px 12px rgba(10, 49, 85, 0.09);
  --radius: 8px;
  --sidebar: #06294a;
  --sidebar-2: #073b70;
  --sidebar-line: rgba(255, 255, 255, 0.14);
  --sidebar-text: #f4faff;
  --sidebar-muted: #bbd5ed;
}

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  background:
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px) 0 0 / 58px 58px,
    linear-gradient(180deg, rgba(45, 99, 135, 0.05), transparent 360px),
    var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "SF Pro Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  text-rendering: geometricPrecision;
}

::selection {
  color: #ffffff;
  background: var(--teal);
}

a {
  color: var(--teal);
  text-underline-offset: 3px;
}

button,
select,
input,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(10, 102, 194, 0.28);
  outline-offset: 2px;
}

.app-shell {
  grid-template-columns: 304px minmax(0, 1fr);
  background: transparent;
}

.sidebar {
  isolation: isolate;
  position: sticky;
  top: 0;
  height: 100vh;
  gap: 20px;
  padding: 26px 20px;
  background:
    linear-gradient(180deg, rgba(8, 73, 132, 0.96), rgba(5, 31, 58, 0.99)),
    var(--sidebar);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 18px 0 46px rgba(7, 32, 36, 0.15);
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(180deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.28));
}

.brand {
  gap: 13px;
  padding: 0 2px 15px;
  border-bottom: 1px solid var(--sidebar-line);
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  color: var(--teal-dark);
  background: linear-gradient(180deg, #fff3ea, #ffd6bd);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.7),
    0 10px 24px rgba(0, 0, 0, 0.18);
}

.brand-mark svg {
  width: 30px;
  height: 30px;
}

.brand strong {
  max-width: 190px;
  color: #ffffff;
  font-size: 20px;
  font-weight: 850;
  line-height: 1.12;
}

.brand span {
  color: var(--sidebar-muted);
  font-size: 12px;
  font-weight: 650;
  text-transform: uppercase;
}

.primary-nav {
  gap: 6px;
}

.nav-link {
  position: relative;
  min-height: 46px;
  padding: 9px 11px;
  border-radius: var(--radius);
  color: rgba(245, 255, 255, 0.9);
  border-color: transparent;
  font-size: 14px;
  font-weight: 750;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease;
}

.nav-link:hover {
  transform: translateX(2px);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  color: #ffffff;
  background: linear-gradient(90deg, rgba(10, 102, 194, 0.96), rgba(0, 65, 130, 0.78));
  border-color: rgba(255, 214, 189, 0.44);
  box-shadow:
    inset 3px 0 0 #ffb17d,
    0 12px 22px rgba(0, 0, 0, 0.16);
}

.nav-icon {
  width: 27px;
  height: 27px;
  color: #dffffb;
  border-color: rgba(225, 255, 251, 0.68);
  background: rgba(0, 0, 0, 0.13);
  font-size: 10px;
}

.nav-link.active .nav-icon {
  color: var(--teal-dark);
  background: #fff0e6;
  border-color: #fff0e6;
}

.helper-card {
  padding: 17px;
  border-color: rgba(213, 255, 249, 0.18);
  background: rgba(255, 255, 255, 0.075);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.helper-card .mini-icon {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.helper-card strong {
  color: #ffffff;
}

.main {
  height: 100vh;
  overflow-y: auto;
  padding: 28px clamp(24px, 3vw, 46px) 42px;
  scroll-padding-top: 24px;
}

.main::-webkit-scrollbar,
.sidebar::-webkit-scrollbar,
.glossary-list::-webkit-scrollbar,
.modal::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.main::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb,
.glossary-list::-webkit-scrollbar-thumb,
.modal::-webkit-scrollbar-thumb {
  background: rgba(10, 102, 194, 0.3);
  border: 3px solid transparent;
  border-radius: 999px;
  background-clip: content-box;
}

.topbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 4px 2px 18px;
  margin-bottom: 12px;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.topbar h1 {
  margin-bottom: 6px;
  color: #08121b;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 850;
  line-height: 1.05;
}

.topbar p {
  max-width: 820px;
  color: var(--muted);
  font-size: 16px;
}

.top-actions {
  align-self: center;
}

.progress-band {
  position: relative;
  overflow: hidden;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 24px;
  padding: 20px 22px;
  margin-bottom: 22px;
  border-color: #cbd9d5;
  box-shadow: var(--shadow);
}

.progress-band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), #2f80d4, var(--amber));
}

.ring {
  width: 92px;
  height: 92px;
  background: conic-gradient(var(--teal) var(--progress), #e1e9e7 0);
  box-shadow: inset 0 0 0 1px rgba(10, 102, 194, 0.14);
}

.ring::after {
  width: 68px;
  height: 68px;
  background: #ffffff;
}

.ring span {
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
}

.progress-copy strong {
  color: var(--ink);
  font-size: 18px;
  font-weight: 850;
}

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

.progress-track {
  height: 10px;
  background: #e5ecea;
  box-shadow: inset 0 0 0 1px rgba(11, 39, 40, 0.035);
}

.progress-track span {
  background: linear-gradient(90deg, var(--blue), #2f80d4, var(--amber));
}

.panel,
.module-section {
  position: relative;
  overflow: hidden;
  padding: 24px;
  background: rgba(255, 255, 255, 0.96);
  border-color: #d1dedb;
  box-shadow: var(--shadow-soft);
}

.panel::before,
.module-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, rgba(10, 102, 194, 0.74), rgba(199, 99, 44, 0.56), transparent 72%);
}

.module-section,
.split-section,
.dashboard-grid {
  margin-bottom: 20px;
}

.section-title {
  align-items: center;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.section-title.tight,
.compact-title {
  padding-bottom: 0;
  border-bottom: 0;
}

.section-title h2 {
  color: #101820;
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 850;
}

.section-title h3 {
  font-size: 18px;
  font-weight: 850;
}

.section-title p,
.panel-intro,
.panel p,
.module-card p,
.recipe-card p,
.agent-card p,
.builder-panel p,
.blueprint-card p,
.guided-path p {
  color: var(--muted);
  line-height: 1.6;
}

.dashboard-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr) minmax(280px, 0.85fr);
  gap: 20px;
}

.journey-map,
.vscode-layout-map,
.claude-flow {
  gap: 12px;
  margin-bottom: 0;
}

.map-step,
.vscode-layout-map article,
.claude-flow article,
.compare-card,
.recipe-card,
.agent-card,
.command-card,
.term-stack div,
.safety-list div,
.glossary-item,
.quiz-question {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 250, 0.98));
  border-color: var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.85);
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.map-step:hover,
.vscode-layout-map article:hover,
.claude-flow article:hover,
.compare-card:hover,
.recipe-card:hover,
.agent-card:hover,
.command-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-tight);
}

.map-icon,
.module-number,
.compare-icon {
  border-radius: var(--radius);
  color: var(--teal-dark);
  background: linear-gradient(180deg, #ffffff, var(--teal-soft));
  border: 1px solid #c6dcf2;
}

.map-step strong,
.vscode-layout-map strong,
.claude-flow strong,
.term-stack strong,
.safety-list strong {
  color: var(--ink);
  font-weight: 850;
}

.primary-button,
.ghost-button,
.source-link,
.status-toggle,
.lesson-tab,
.small-action,
.quiz-options button {
  min-height: 40px;
  border-radius: var(--radius);
  font-weight: 800;
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease,
    color 0.16s ease;
}

.primary-button {
  color: #ffffff;
  background: linear-gradient(180deg, #0a66c2, var(--teal-dark));
  border-color: #07569f;
  box-shadow: 0 10px 22px rgba(10, 102, 194, 0.24);
}

.primary-button:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #1675d4, #00376f);
  box-shadow: 0 14px 28px rgba(10, 102, 194, 0.28);
}

.ghost-button,
.source-link,
.status-toggle,
.quiz-options button {
  color: var(--ink);
  background: #ffffff;
  border-color: #cfdbe6;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

.ghost-button:hover,
.source-link:hover,
.status-toggle:hover,
.quiz-options button:hover {
  transform: translateY(-1px);
  color: var(--teal-dark);
  border-color: #aebfba;
  background: #f8fbfa;
}

.status-toggle.complete {
  color: #ffffff;
  background: linear-gradient(180deg, #0a66c2, var(--teal-dark));
  border-color: var(--green);
}

.field-label {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

select,
input {
  min-height: 44px;
  color: var(--ink);
  background: #ffffff;
  border-color: #cddbd8;
  box-shadow: inset 0 1px 2px rgba(20, 40, 48, 0.035);
}

select:hover,
input:hover {
  border-color: var(--line-strong);
}

select:focus,
input:focus {
  border-color: var(--teal);
  box-shadow:
    inset 0 1px 2px rgba(20, 40, 48, 0.035),
    0 0 0 3px rgba(10, 102, 194, 0.13);
}

.recommendation,
.rookie-callout {
  border-color: #bad3ed;
  background:
    linear-gradient(180deg, rgba(232, 243, 255, 0.94), rgba(214, 233, 252, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.recommendation.amber,
.setup-watch {
  border-color: #edcf93 !important;
  background:
    linear-gradient(180deg, #fff9eb, var(--amber-soft)) !important;
}

.module-card {
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 17px;
  background: #ffffff;
  border-color: var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

.module-card:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-tight);
}

.module-card h3 {
  color: var(--ink);
  font-weight: 850;
}

.split-section {
  grid-template-columns: minmax(310px, 0.82fr) minmax(0, 1.18fr);
  gap: 20px;
}

.sim-step {
  min-height: 58px;
  background: #ffffff;
  border-color: #d2dfdc;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.86);
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease;
}

.sim-step:hover {
  transform: translateX(2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-tight);
}

.sim-step.current {
  border-color: var(--teal);
  background: linear-gradient(180deg, #ffffff, #eef6ff);
  box-shadow:
    inset 3px 0 0 var(--teal),
    var(--shadow-tight);
}

.sim-step.done {
  border-color: #b7d2ee;
  background: linear-gradient(180deg, #ffffff, var(--green-soft));
}

.terminal-card {
  color: #eff7ff;
  background:
    linear-gradient(180deg, #152129, #0e171d);
  border: 1px solid #263946;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.comparison-grid,
.agent-grid,
.recipe-grid,
.flip-grid,
.command-grid {
  gap: 16px;
}

.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.agent-grid {
  grid-template-columns: repeat(2, minmax(320px, 1fr));
}

.recipe-grid {
  grid-template-columns: repeat(3, minmax(240px, 1fr));
}

.command-grid,
.flip-grid {
  grid-template-columns: repeat(4, minmax(210px, 1fr));
}

.compare-card.featured {
  border-color: #b8d4ef;
  background:
    linear-gradient(180deg, #ffffff, #eef6ff);
  box-shadow: 0 12px 30px rgba(10, 102, 194, 0.09);
}

.compare-card code,
.command-card code,
.blueprint-card code,
.deploy-step-body code {
  color: #17242c;
  background: #f3f7fb;
  border-color: #dce8f3;
}

.lesson-tabs {
  width: fit-content;
  max-width: 100%;
  gap: 4px;
  padding: 5px;
  overflow-x: auto;
  background: #edf4fb;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.lesson-tab {
  flex: 0 0 auto;
  min-height: 38px;
  color: var(--ink-soft);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.lesson-tab:hover {
  transform: translateY(-1px);
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.72);
  border-color: transparent;
}

.lesson-tab.active {
  color: #ffffff;
  background: linear-gradient(180deg, #0a66c2, var(--teal-dark));
  border-color: var(--teal-dark);
  box-shadow: 0 8px 16px rgba(10, 102, 194, 0.2);
}

.lesson-main {
  padding: 22px;
  background:
    linear-gradient(180deg, #ffffff, #f8fbfd);
  border-color: #cfdbe6;
  box-shadow: var(--shadow-soft);
  animation: contentSlideUp 0.32s cubic-bezier(0.2, 0.82, 0.2, 1) both;
}

.lesson-heading {
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.lesson-heading h3 {
  color: var(--ink);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 850;
}

.lesson-heading p {
  max-width: 980px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.62;
}

.lesson-columns,
.lesson-example {
  gap: 14px;
}

.lesson-columns > div,
.lesson-example > div,
.builder-panel,
.blueprint-card,
.guided-path {
  border-color: #d1dde8;
  background:
    linear-gradient(180deg, #ffffff, #f9fbfd);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

.builder-panel,
.blueprint-card {
  position: relative;
}

.blueprint-card {
  border-left: 4px solid var(--teal);
}

.blueprint-card h3,
.builder-panel h3,
.guided-path h3 {
  color: var(--ink);
  font-weight: 850;
}

.blueprint-notes p {
  border: 1px solid var(--line);
  background: #f7fafd;
}

.tag {
  min-height: 26px;
  color: #496372;
  background: #edf4fb;
  border: 1px solid #d8e4ee;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.tag.low {
  color: var(--teal-dark);
  background: var(--green-soft);
  border-color: #b7d2ee;
}

.tag.medium {
  color: var(--amber);
  background: var(--amber-soft);
  border-color: #edd19b;
}

.tag.high {
  color: var(--red);
  background: var(--red-soft);
  border-color: #e6b8b8;
}

.filter-row {
  grid-template-columns: minmax(150px, 190px) minmax(150px, 190px) minmax(260px, 1fr);
  gap: 12px;
  padding: 12px;
  background: #f5f8fc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.agent-card,
.recipe-card,
.command-card {
  min-height: 100%;
}

.agent-card {
  gap: 12px;
}

.card-top {
  align-items: center;
}

.agent-meta {
  gap: 8px;
}

.agent-meta span {
  padding: 8px 10px;
  background: #f7fafd;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.flip-card {
  min-height: 194px;
  border-color: #cfdbe6;
  box-shadow: var(--shadow-tight);
}

.flip-front,
.flip-back {
  padding: 18px;
}

.flip-front {
  background:
    linear-gradient(180deg, #ffffff, #f5f9fd);
}

.flip-back {
  color: #ffffff;
  background:
    linear-gradient(180deg, #0a66c2, #004182);
}

.flip-card:hover .flip-front {
  border-color: var(--teal);
}

.flip-card strong {
  color: var(--ink);
  font-weight: 850;
}

.flip-back strong {
  color: #ffffff;
}

.flip-card small {
  color: var(--teal-dark);
  font-weight: 900;
}

.flip-back small {
  color: #fff0e6;
}

.guided-path {
  grid-template-columns: minmax(250px, 0.48fr) minmax(0, 1fr);
  background:
    linear-gradient(180deg, #ffffff, #f8fbfd);
}

.guided-path ol,
.lesson-columns ul,
.lesson-columns ol,
.blueprint-card ul {
  color: var(--muted);
}

.guided-path li::marker,
.lesson-columns li::marker,
.blueprint-card li::marker,
.setup-detail-grid li::marker {
  color: var(--teal);
  font-weight: 850;
}

.accordion-group {
  gap: 10px;
}

.learning-accordion,
.deploy-step,
.setup-item {
  border-color: #d1dde8;
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.88);
}

.learning-accordion[open],
.deploy-step[open],
.setup-item[open] {
  border-color: #b7d2ee;
  background: linear-gradient(180deg, #ffffff, #f4f9ff);
}

.learning-accordion summary,
.deploy-step summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px;
}

.deploy-step summary {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.learning-accordion summary::after,
.deploy-step summary::after {
  content: "+";
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--teal-dark);
  background: var(--teal-soft);
  border: 1px solid #c6dcf2;
  border-radius: var(--radius);
  font-weight: 900;
  transition:
    transform 0.22s var(--motion-smooth),
    background 0.22s ease,
    border-color 0.22s ease;
}

.learning-accordion[open] summary::after,
.deploy-step[open] summary::after {
  content: "-";
  transform: rotate(180deg);
}

.learning-accordion summary {
  color: var(--ink);
  font-weight: 850;
}

.learning-accordion p {
  padding: 0 16px 18px;
  color: var(--muted);
}

.learning-accordion[open] p,
.deploy-step[open] .deploy-step-body,
.setup-item[open] .setup-detail-grid {
  animation: contentSlideUp 0.28s cubic-bezier(0.2, 0.82, 0.2, 1) both;
}

.setup-item summary {
  grid-template-columns: auto minmax(0, 1fr) auto;
  padding: 16px;
}

.setup-item summary::after {
  color: var(--teal-dark);
  background: var(--teal-soft);
  border-color: #c6dcf2;
}

.setup-detail-grid {
  gap: 12px;
  padding: 0 16px 16px;
}

.setup-detail-grid section {
  background: #fbfdff;
  border-color: #d6e2ec;
}

.deploy-choice-grid,
.microsoft-workshop,
.vscode-scenario-grid,
.claude-tools-grid {
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 18px;
}

.deploy-guide {
  margin-top: 4px;
}

.deploy-step-list {
  gap: 8px;
}

.deploy-step summary strong,
.setup-item strong {
  color: var(--ink);
  font-weight: 850;
}

.deploy-step summary em,
.setup-item em {
  color: var(--muted);
  font-size: 13px;
}

.deploy-step-body {
  padding: 0 16px 16px 62px;
}

.command-stack code {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
}

.command-card {
  display: grid;
  gap: 9px;
}

.command-card strong {
  color: var(--ink);
  font-weight: 850;
}

.copy-prompt {
  width: fit-content;
}

.glossary-list {
  max-height: min(52vh, 520px);
}

.glossary-item {
  background: #ffffff;
}

.quiz-card {
  gap: 14px;
}

.quiz-options button.correct {
  color: var(--teal-dark);
  background: var(--green-soft);
  border-color: #b7d2ee;
}

.quiz-options button.wrong {
  color: #7d2f2f;
  background: var(--red-soft);
  border-color: #e4b2b2;
}

.section-pager {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  padding: 16px;
  margin-top: 20px;
  background:
    linear-gradient(180deg, #ffffff, #f7fafd);
  border-color: #cddbe7;
  box-shadow: var(--shadow-tight);
}

.section-pager span {
  color: var(--muted);
  text-transform: uppercase;
}

.sources ul {
  padding-left: 20px;
  color: var(--muted);
}

.sources li + li {
  margin-top: 4px;
}

.modal-backdrop {
  background:
    rgba(10, 20, 26, 0.56);
  backdrop-filter: blur(5px);
}

.modal {
  width: min(860px, 100%);
  padding: 28px;
  border-color: #cbd9e5;
  background:
    linear-gradient(180deg, #ffffff, #f8fbfd);
  box-shadow: 0 30px 90px rgba(9, 26, 31, 0.34);
}

.modal h2 {
  color: var(--ink);
  font-weight: 850;
}

.modal-close {
  min-height: 36px;
  color: var(--ink);
  background: #ffffff;
  border-color: var(--line);
}

@media (max-width: 1240px) {
  .dashboard-grid,
  .comparison-grid,
  .recipe-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .command-grid,
  .flip-grid {
    grid-template-columns: repeat(3, minmax(190px, 1fr));
  }

  .journey-map,
  .vscode-layout-map,
  .claude-flow {
    grid-template-columns: repeat(3, minmax(160px, 1fr));
  }
}

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

  .sidebar {
    position: static;
    height: auto;
    padding: 18px;
  }

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

  .helper-card {
    margin-top: 0;
  }

  .main {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    padding: 20px;
  }

  .topbar,
  .progress-band,
  .split-section,
  .dashboard-grid,
  .comparison-grid,
  .lesson-columns,
  .lesson-example,
  .guided-path,
  .setup-detail-grid,
  .deploy-choice-grid,
  .microsoft-workshop,
  .vscode-scenario-grid,
  .claude-tools-grid,
  .agent-grid,
  .recipe-grid,
  .filter-row {
    grid-template-columns: 1fr;
  }

  .progress-band {
    justify-items: start;
  }

  .deploy-step-body {
    padding-left: 16px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 14px;
  }

  .primary-nav {
    grid-template-columns: 1fr;
  }

  .main {
    padding: 16px;
  }

  .topbar,
  .section-title {
    align-items: stretch;
  }

  .topbar,
  .section-title,
  .module-card,
  .setup-item summary,
  .section-pager {
    grid-template-columns: 1fr;
  }

  .top-actions,
  .section-title {
    flex-direction: column;
  }

  .progress-band,
  .panel,
  .module-section,
  .lesson-main {
    padding: 18px;
  }

  .journey-map,
  .vscode-layout-map,
  .claude-flow,
  .command-grid,
  .flip-grid {
    grid-template-columns: 1fr;
  }

  .lesson-tabs {
    width: 100%;
  }

  .lesson-tab {
    flex: 1 0 auto;
  }

  .section-pager button,
  .section-pager button:first-child,
  .section-pager button:last-child {
    width: 100%;
    justify-self: stretch;
  }

  .section-pager span {
    text-align: center;
  }

  .modal {
    max-height: calc(100vh - 24px);
    padding: 22px;
  }

  .modal h2 {
    padding-right: 0;
  }

  .modal-close {
    position: static;
    margin-bottom: 12px;
  }
}

/* Claude Foundations imported course */
#claude-foundations {
  --navy: #0a66c2;
  --navy-dark: #06294a;
  --navy-mid: #004182;
  --navy-light: #6ea8df;
  --amber-bg: #fff0e6;
  --amber-border: #ffd1b7;
  --amber-dark: #8d421e;
  --emerald: #0a66c2;
  --emerald-bg: #e8f3ff;
  --emerald-border: #bad3ed;
  --emerald-dark: #004182;
  --rose: #b94747;
  --rose-bg: #fae7e7;
  --rose-border: #e6b8b8;
  --rose-dark: #7d2f2f;
  --indigo: #0a66c2;
  --indigo-bg: #e8f3ff;
  --indigo-border: #bad3ed;
  --indigo-dark: #004182;
  --violet: #c7632c;
  --slate-50: #f8fbfd;
  --slate-100: #eef4f8;
  --slate-200: #d4e0e8;
  --slate-300: #b7c8d6;
  --slate-400: #829198;
  --slate-500: #5c6b73;
  --slate-600: #40515c;
  --slate-700: #26353d;
  --text: var(--ink);
  --white: #ffffff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.foundation-intro {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.foundation-intro article {
  min-height: 150px;
  padding: 16px;
  background: linear-gradient(180deg, #ffffff, #f8fbfd);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.foundation-intro strong {
  display: block;
  color: var(--ink);
  font-weight: 850;
}

.foundation-intro p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.anatomy-intro {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.anatomy-intro article {
  min-height: 150px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 240, 230, 0.48), rgba(232, 243, 255, 0.58)),
    #ffffff;
  border: 1px solid #cfdbe6;
  border-radius: var(--radius);
}

.anatomy-intro strong {
  display: block;
  color: var(--ink);
  font-weight: 850;
}

.anatomy-intro p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.anatomy-lesson {
  margin-bottom: 18px;
}

.anatomy-main {
  overflow: hidden;
}

.anatomy-lesson-columns {
  align-items: stretch;
}

.folder-tree {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 16px;
  margin: 0;
  overflow-x: auto;
  color: #edf6ff;
  background:
    linear-gradient(180deg, #0c253d, #071827);
  border: 1px solid #15395a;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.58;
  white-space: pre;
}

.folder-tree.compact {
  font-size: 12px;
  line-height: 1.5;
}

.anatomy-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.anatomy-detail-grid article,
.anatomy-safety-grid details {
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.anatomy-detail-grid h4 {
  margin: 0 0 6px;
  color: var(--teal-dark);
  font-size: 14px;
}

.anatomy-detail-grid p,
.anatomy-safety-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.anatomy-bottom-row {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 12px;
}

.anatomy-watch,
.prompt-strip {
  padding: 14px;
  border-radius: var(--radius);
}

.anatomy-watch {
  background: var(--amber-soft);
  border: 1px solid #f2caa7;
}

.anatomy-watch strong,
.prompt-strip strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 900;
}

.anatomy-watch p {
  margin: 0;
  color: #654125;
  line-height: 1.56;
}

.prompt-strip {
  display: grid;
  gap: 10px;
  background: var(--blue-soft);
  border: 1px solid #bad3ed;
}

.prompt-strip code {
  width: 100%;
  color: #12324f;
  background: #ffffff;
  border-color: #cfdbe6;
}

.anatomy-lab {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 18px;
  margin-bottom: 18px;
  padding: 14px;
  background:
    linear-gradient(135deg, rgba(232, 243, 255, 0.76), rgba(255, 240, 230, 0.52)),
    #ffffff;
  border: 1px solid #cfdbe6;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

#app-anatomy .anatomy-builder-panel,
#app-anatomy .anatomy-result-card {
  min-width: 0;
  padding: 18px;
  border-color: #c7d8e8;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: none;
}

#app-anatomy .anatomy-builder-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 4px solid var(--amber);
}

#app-anatomy .anatomy-result-card {
  border-left: 4px solid var(--blue);
}

.anatomy-lab-tag {
  width: fit-content;
  margin-bottom: 10px;
  color: #23485e;
  background: #ddeef8;
  border-color: #c4deef;
}

#app-anatomy .anatomy-builder-panel h3,
.anatomy-result-head h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.18;
}

#app-anatomy .anatomy-builder-panel p {
  max-width: 520px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.62;
}

#app-anatomy .anatomy-builder-panel .field-label {
  margin-top: 22px;
  margin-bottom: 8px;
  color: var(--teal-dark);
  letter-spacing: 0.04em;
}

.anatomy-select-wrap {
  position: relative;
}

.anatomy-select-wrap::after {
  content: "";
  position: absolute;
  right: 15px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--teal-dark);
  border-bottom: 2px solid var(--teal-dark);
  pointer-events: none;
  transform: translateY(-65%) rotate(45deg);
}

#app-anatomy .anatomy-select-wrap select {
  min-height: 52px;
  padding: 0 44px 0 16px;
  appearance: none;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff, #f8fbfd);
  border: 1px solid #b9cfe3;
  border-radius: 8px;
  box-shadow: inset 0 1px 2px rgba(10, 49, 85, 0.04);
  font-size: 15px;
}

#app-anatomy .anatomy-select-wrap select:hover {
  border-color: var(--blue);
}

#app-anatomy .anatomy-select-wrap select:focus,
#app-anatomy .anatomy-select-wrap select:focus-visible {
  outline: 0;
  border-color: var(--blue);
  box-shadow:
    inset 0 1px 2px rgba(10, 49, 85, 0.04),
    0 0 0 3px rgba(10, 102, 194, 0.16);
}

.anatomy-result-head {
  display: grid;
  gap: 10px;
}

.anatomy-result-head .tag {
  width: fit-content;
}

.anatomy-result-copy {
  display: grid;
  gap: 8px;
}

.anatomy-result-copy p {
  margin: 0;
  padding: 10px 12px;
  color: #46596a;
  background: #f7fafd;
  border: 1px solid #e1ebf3;
  border-radius: var(--radius);
  line-height: 1.55;
}

#app-anatomy .anatomy-result-card .folder-tree {
  margin: 2px 0;
}

#app-anatomy .anatomy-result-card .anatomy-watch {
  margin-top: 0;
}

.anatomy-safety-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.anatomy-safety-grid summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 850;
}

.anatomy-safety-grid p {
  margin-top: 10px;
}

.foundation-course-shell {
  display: grid;
  grid-template-columns: minmax(230px, 280px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.foundation-course-nav {
  position: sticky;
  top: 18px;
  min-width: 0;
  max-height: calc(100vh - 140px);
  padding: 10px;
  overflow-y: auto;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(232, 243, 255, 0.82), rgba(255, 240, 230, 0.42)),
    #ffffff;
  border: 1px solid #cfdbe6;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.foundation-nav-kicker {
  padding: 8px 10px 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.foundation-tabs {
  display: grid;
  gap: 6px;
  max-width: 100%;
}

.foundation-tab {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 48px;
  justify-content: flex-start;
  gap: 10px;
  padding: 9px 10px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid transparent;
  text-align: left;
  white-space: normal;
}

.foundation-tab:hover {
  color: var(--navy-dark);
  background: #ffffff;
  border-color: #bad3ed;
  box-shadow: var(--shadow-tight);
}

.foundation-tab.active {
  color: #ffffff;
  background: linear-gradient(180deg, #0a66c2, var(--navy-dark));
  border-color: var(--navy-dark);
  box-shadow: 0 12px 24px rgba(10, 102, 194, 0.22);
}

.foundation-tab strong {
  min-width: 0;
  font-size: 13px;
  font-weight: 850;
  line-height: 1.24;
}

.foundation-tab span {
  width: 22px;
  height: 22px;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  background: var(--blue-soft);
  color: currentColor;
  font-size: 11px;
}

.foundation-tab.active span {
  color: var(--teal-dark);
  background: #fff0e6;
}

.foundation-lesson {
  min-width: 0;
}

#claude-foundations .foundation-chapter {
  padding: 24px;
  background: linear-gradient(180deg, #ffffff, #f8fbfd);
  border: 1px solid #cfdbe6;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

#claude-foundations .ch-badge {
  display: inline-flex;
  width: fit-content;
  min-height: 28px;
  align-items: center;
  padding: 0 12px;
  margin-bottom: 12px;
  color: var(--amber-dark);
  background: var(--amber-bg);
  border: 1px solid var(--amber-border);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

#claude-foundations .ch-title {
  margin: 0 0 8px;
  color: var(--navy-dark);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.12;
}

#claude-foundations .ch-hook {
  max-width: 880px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

#claude-foundations .card,
#claude-foundations .prompt-card,
#claude-foundations .desk-demo,
#claude-foundations .model-sel,
#claude-foundations .reveal-card,
#claude-foundations .checklist,
#claude-foundations .tab-wrap,
#claude-foundations .recap-card,
#claude-foundations .dt-answer {
  border-radius: var(--radius);
}

#claude-foundations .card {
  padding: 18px;
  margin-bottom: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

#claude-foundations .card h3 {
  margin: 0 0 8px;
  color: var(--navy-dark);
  font-size: 17px;
  font-weight: 850;
}

#claude-foundations .card p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.68;
}

#claude-foundations .card p:last-child {
  margin-bottom: 0;
}

#claude-foundations .card-amber,
#claude-foundations .callout {
  background: var(--amber-bg);
  border-color: var(--amber-border);
}

#claude-foundations .card-emerald,
#claude-foundations .card-indigo,
#claude-foundations .card-navy {
  background: var(--blue-soft);
  border-color: var(--indigo-border);
}

#claude-foundations .card-rose {
  background: var(--rose-bg);
  border-color: var(--rose-border);
}

#claude-foundations .g2,
#claude-foundations .g3,
#claude-foundations .res-grid,
#claude-foundations .idea-grid,
#claude-foundations .model-tabs,
#claude-foundations .desk-slots,
#claude-foundations .flip-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
}

#claude-foundations .g2,
#claude-foundations .res-grid,
#claude-foundations .idea-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

#claude-foundations .g3,
#claude-foundations .flip-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#claude-foundations .sec-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 26px 0 14px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

#claude-foundations .sec-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

#claude-foundations .pills,
#claude-foundations .flip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

#claude-foundations .pill,
#claude-foundations .flip-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

#claude-foundations .pill-amber {
  color: var(--amber-dark);
  background: var(--amber-bg);
}

#claude-foundations .pill-green,
#claude-foundations .pill-emerald,
#claude-foundations .pill-indigo {
  color: var(--navy-dark);
  background: var(--blue-soft);
}

#claude-foundations .prompt-card {
  overflow: hidden;
  margin-bottom: 18px;
  background: var(--navy-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#claude-foundations .pc-head,
#claude-foundations .pc-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-color: rgba(255, 255, 255, 0.09);
}

#claude-foundations .pc-head {
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

#claude-foundations .pc-foot {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

#claude-foundations .pc-title {
  color: #ffb17d;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

#claude-foundations .pc-use,
#claude-foundations .pc-context {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.45;
}

#claude-foundations .pc-body {
  display: block;
  max-height: 420px;
  padding: 16px;
  margin: 0;
  overflow: auto;
  color: #d8e9ff;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
}

#claude-foundations .copy-btn,
#claude-foundations .desk-btn,
#claude-foundations .desk-reset,
#claude-foundations .dtree-btn,
#claude-foundations .dt-reset,
#claude-foundations .tab-btn {
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
}

#claude-foundations .copy-btn,
#claude-foundations .desk-btn {
  min-height: 36px;
  padding: 0 13px;
  color: var(--navy-dark);
  background: #ffb17d;
  border: 1px solid #ffb17d;
  font-size: 12px;
  font-weight: 900;
}

#claude-foundations .desk-reset,
#claude-foundations .dt-reset {
  min-height: 34px;
  padding: 0 12px;
  color: var(--navy-dark);
  background: #ffffff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 800;
}

#claude-foundations .tbl {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 14px;
}

#claude-foundations .tbl th {
  padding: 10px 12px;
  color: #ffffff;
  background: var(--navy-dark);
  text-align: left;
}

#claude-foundations .tbl td {
  padding: 10px 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

#claude-foundations .steps {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0 0 16px;
  list-style: none;
}

#claude-foundations .step {
  display: flex;
  gap: 12px;
}

#claude-foundations .step-n {
  width: 32px;
  height: 32px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: #ffffff;
  background: var(--navy);
  border-radius: 50%;
  font-weight: 900;
}

#claude-foundations .step-t {
  color: var(--navy-dark);
  font-weight: 850;
}

#claude-foundations .step-d {
  color: var(--muted);
  font-size: 14px;
}

#claude-foundations .callout {
  padding: 14px 16px;
  margin-bottom: 16px;
  color: #70401d;
  border-left: 4px solid var(--amber);
}

#claude-foundations .term {
  color: var(--blue);
  font-weight: 850;
  border-bottom: 1px dotted rgba(10, 102, 194, 0.5);
  cursor: pointer;
}

#claude-foundations .flip-card {
  height: 250px;
  padding: 0;
  border: 0;
  background: transparent;
  perspective: 1000px;
  box-shadow: none;
  cursor: pointer;
}

#claude-foundations .flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.35s ease;
}

#claude-foundations .flip-card.flipped .flip-inner {
  transform: rotateY(180deg);
}

#claude-foundations .flip-front,
#claude-foundations .flip-back {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  overflow: hidden;
  border-radius: var(--radius);
  backface-visibility: hidden;
}

#claude-foundations .flip-front {
  background: #ffffff;
  border: 1px solid var(--line);
}

#claude-foundations .flip-back {
  color: #ffffff;
  background: linear-gradient(180deg, var(--blue), var(--navy-dark));
  transform: rotateY(180deg);
}

#claude-foundations .flip-name {
  color: var(--navy-dark);
  font-weight: 900;
}

#claude-foundations .flip-desc,
#claude-foundations .flip-back p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.48;
}

#claude-foundations .flip-back p,
#claude-foundations .flip-back-title {
  color: #ffffff;
}

#claude-foundations .desk-demo,
#claude-foundations .model-sel,
#claude-foundations .checklist,
#claude-foundations .tab-wrap {
  padding: 18px;
  margin-bottom: 16px;
  background: #f8fbfd;
  border: 1px solid var(--line);
}

#claude-foundations .desk-track {
  height: 8px;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--line);
  border-radius: 999px;
}

#claude-foundations .desk-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blue), var(--amber), var(--rose));
  border-radius: inherit;
  transition: width 0.25s ease;
}

#claude-foundations .desk-slots {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

#claude-foundations .desk-slot {
  min-height: 52px;
  display: grid;
  place-items: center;
  padding: 6px;
  color: var(--subtle);
  background: #ffffff;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

#claude-foundations .desk-slot.filled {
  color: #ffffff;
  background: var(--blue);
  border-color: var(--blue);
}

#claude-foundations .desk-slot.overflow {
  background: var(--rose-dark);
  border-color: var(--rose-dark);
}

#claude-foundations .desk-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

#claude-foundations .desk-warning {
  display: none;
  margin-top: 12px;
  padding: 11px 13px;
  color: var(--rose-dark);
  background: var(--rose-bg);
  border: 1px solid var(--rose-border);
  border-radius: var(--radius);
  font-weight: 800;
}

#claude-foundations .model-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#claude-foundations .model-tab {
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
}

#claude-foundations .model-tab.active {
  color: #ffffff;
  background: var(--navy-dark);
  border-color: var(--navy-dark);
}

#claude-foundations .mt-emoji,
#claude-foundations .mt-name,
#claude-foundations .mt-sub {
  display: block;
}

#claude-foundations .mt-name {
  color: var(--navy-dark);
  font-weight: 900;
}

#claude-foundations .model-tab.active .mt-name,
#claude-foundations .model-tab.active .mt-sub {
  color: #ffffff;
}

#claude-foundations .mt-sub {
  color: var(--subtle);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

#claude-foundations .model-detail {
  padding: 14px;
  color: var(--muted);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  line-height: 1.62;
}

#claude-foundations .reveal-card,
#claude-foundations .recap-card {
  padding: 15px;
  margin-bottom: 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  cursor: pointer;
}

#claude-foundations .reveal-card.open,
#claude-foundations .recap-card.open {
  background: var(--blue-soft);
  border-color: var(--indigo-border);
}

#claude-foundations .reveal-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
  font-weight: 850;
}

#claude-foundations .reveal-icon {
  color: var(--subtle);
  transition: transform 0.2s ease;
}

#claude-foundations .reveal-card.open .reveal-icon,
#claude-foundations .recap-card.open .reveal-icon {
  transform: rotate(90deg);
}

#claude-foundations .reveal-a {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--muted);
  line-height: 1.6;
  transition: max-height 0.25s ease, opacity 0.2s ease, margin 0.2s ease;
}

#claude-foundations .reveal-card.open .reveal-a,
#claude-foundations .recap-card.open .reveal-a {
  max-height: 900px;
  margin-top: 12px;
  opacity: 1;
}

#claude-foundations .check-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  margin-bottom: 8px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

#claude-foundations .check-item.done {
  background: var(--blue-soft);
  border-color: var(--indigo-border);
}

#claude-foundations .check-box {
  width: 22px;
  height: 22px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: transparent;
  border: 2px solid var(--line-strong);
  border-radius: 6px;
}

#claude-foundations .check-item.done .check-box {
  color: #ffffff;
  background: var(--blue);
  border-color: var(--blue);
}

#claude-foundations .check-title {
  color: var(--navy-dark);
  font-weight: 850;
}

#claude-foundations .check-desc {
  color: var(--muted);
  font-size: 13px;
}

#claude-foundations .cl-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

#claude-foundations .cl-count {
  color: var(--subtle);
  font-size: 12px;
  font-weight: 850;
}

#claude-foundations .tab-btns {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 14px;
  background: var(--line);
  border-radius: var(--radius);
}

#claude-foundations .tab-btn {
  flex: 1;
  min-height: 36px;
  color: var(--muted);
  background: transparent;
  border: 0;
  font-weight: 850;
}

#claude-foundations .tab-btn.active {
  color: var(--navy-dark);
  background: #ffffff;
  box-shadow: var(--shadow-tight);
}

#claude-foundations .tab-pane {
  display: none;
}

#claude-foundations .tab-pane.active {
  display: block;
}

#claude-foundations .idea-item,
#claude-foundations .res-card {
  padding: 12px;
  color: inherit;
  text-decoration: none;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

#claude-foundations .idea-item strong,
#claude-foundations .res-title {
  display: block;
  color: var(--navy-dark);
  font-weight: 850;
}

#claude-foundations .idea-item span,
#claude-foundations .res-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

#claude-foundations .res-card {
  display: flex;
  gap: 12px;
}

#claude-foundations .recap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 12px;
}

#claude-foundations .res-icon {
  width: 38px;
  height: 38px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  background: var(--amber-bg);
  border-radius: var(--radius);
}

#claude-foundations .dtree-btn {
  min-height: 46px;
  padding: 12px 14px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  font-weight: 800;
  text-align: left;
}

#claude-foundations .dtree-btn:hover {
  color: var(--navy-dark);
  border-color: var(--amber);
  background: var(--amber-bg);
}

#claude-foundations .dt-answer {
  display: none;
  padding: 16px;
  margin-top: 10px;
  background: var(--blue-soft);
  border: 1px solid var(--indigo-border);
}

#claude-foundations .dt-tool {
  color: var(--navy-dark);
  font-size: 18px;
  font-weight: 900;
}

#claude-foundations .dt-why {
  margin: 6px 0 12px;
  color: var(--muted);
  line-height: 1.6;
}

#claude-foundations code {
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid var(--indigo-border);
}

@media (max-width: 1180px) {
  .anatomy-intro,
  .anatomy-safety-grid,
  .foundation-intro,
  #claude-foundations .g3,
  #claude-foundations .flip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .anatomy-intro,
  .anatomy-detail-grid,
  .anatomy-bottom-row,
  .anatomy-lab,
  .anatomy-safety-grid,
  .foundation-course-shell,
  .foundation-intro,
  #claude-foundations .g2,
  #claude-foundations .g3,
  #claude-foundations .res-grid,
  #claude-foundations .idea-grid,
  #claude-foundations .model-tabs,
  #claude-foundations .desk-slots,
  #claude-foundations .flip-grid,
  #claude-foundations .recap-grid,
  #claude-foundations [style*="grid-template-columns:1fr 1fr"],
  #claude-foundations [style*="grid-template-columns:repeat(3,1fr)"] {
    grid-template-columns: 1fr;
  }

  #claude-foundations .foundation-chapter {
    padding: 18px;
  }

  #claude-foundations .pc-head,
  #claude-foundations .pc-foot,
  #claude-foundations .cl-head,
  #claude-foundations .tab-btns {
    flex-direction: column;
    align-items: stretch;
  }

  #claude-foundations .flip-card {
    height: 230px;
  }

  .foundation-course-nav {
    position: static;
    max-height: none;
  }

  .anatomy-lab {
    padding: 10px;
  }

  #app-anatomy .anatomy-builder-panel,
  #app-anatomy .anatomy-result-card {
    padding: 14px;
  }

  #app-anatomy .anatomy-select-wrap select {
    min-height: 48px;
    font-size: 14px;
  }

  .folder-tree {
    white-space: pre-wrap;
  }
}