@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;600;700&display=swap");

:root {
  color-scheme: dark;
  --academy-bg-base: #070711;
  --academy-bg-shell: #0b0d18;
  --academy-bg-panel: rgba(13, 17, 31, 0.92);
  --academy-bg-panel-strong: #111827;
  --academy-bg-elevated: #151426;
  --academy-accent-primary: #00ff88;
  --academy-accent-secondary: #22d3ee;
  --academy-accent-magenta: #d8b45f;
  --academy-accent-warning: #f59e0b;
  --academy-accent-error: #fb7185;
  --academy-text-main: #eafff6;
  --academy-text-muted: #91a7a0;
  --academy-text-soft: #5f746d;
  --academy-border: rgba(0, 255, 136, 0.22);
  --academy-border-hot: rgba(0, 255, 136, 0.48);
  --academy-border-cyan: rgba(34, 211, 238, 0.32);
  --academy-shadow-panel: 0 18px 60px rgba(0, 0, 0, 0.45);
  --academy-shadow-glow: 0 0 28px rgba(0, 255, 136, 0.14);
  --academy-brand-bg: rgba(255, 255, 255, 0.028);
  --academy-brand-glow: rgba(0, 255, 136, 0.11);
  --academy-brand-wash: rgba(216, 180, 95, 0.08);
  --academy-brand-shadow: 0 18px 36px rgba(0, 0, 0, 0.28), 0 0 26px rgba(0, 255, 136, 0.08);
  --academy-font-display: "Chakra Petch", "Space Grotesk", "JetBrains Mono", Inter, ui-sans-serif, system-ui, sans-serif;
  --academy-font-body: "Sora", "Avenir Next", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --academy-font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Compatibility aliases for the existing Academy renderer. */
  --ink: var(--academy-text-main);
  --muted: var(--academy-text-muted);
  --dim: var(--academy-text-soft);
  --line: var(--academy-border);
  --line-strong: var(--academy-border-hot);
  --panel: var(--academy-bg-panel);
  --panel-raised: var(--academy-bg-panel-strong);
  --soft: var(--academy-bg-base);
  --accent: var(--academy-accent-primary);
  --accent-2: var(--academy-accent-secondary);
  --accent-soft: rgba(0, 255, 136, 0.12);
  --warning: var(--academy-accent-warning);
  --danger: var(--academy-accent-error);
  --info: var(--academy-accent-secondary);
  --shadow: var(--academy-shadow-panel), var(--academy-shadow-glow);
}

:root[data-theme="light"] {
  color-scheme: light;
  --academy-bg-base: #f3f7fb;
  --academy-bg-shell: #e9f0f7;
  --academy-bg-panel: rgba(255, 255, 255, 0.96);
  --academy-bg-panel-strong: #f4f8fb;
  --academy-bg-elevated: #ffffff;
  --academy-accent-primary: #087f5b;
  --academy-accent-secondary: #0e7490;
  --academy-accent-magenta: #a21caf;
  --academy-accent-warning: #a16207;
  --academy-accent-error: #be123c;
  --academy-text-main: #07111d;
  --academy-text-muted: #475569;
  --academy-text-soft: #718096;
  --academy-border: rgba(15, 23, 42, 0.12);
  --academy-border-hot: rgba(8, 127, 91, 0.34);
  --academy-border-cyan: rgba(14, 116, 144, 0.26);
  --academy-shadow-panel: 0 14px 34px rgba(15, 23, 42, 0.08);
  --academy-shadow-glow: 0 0 0 rgba(0, 0, 0, 0);
  --academy-brand-bg: rgba(255, 255, 255, 0.78);
  --academy-brand-glow: rgba(8, 127, 91, 0.08);
  --academy-brand-wash: rgba(14, 116, 144, 0.06);
  --academy-brand-shadow: 0 16px 30px rgba(15, 23, 42, 0.1);
  --ink: var(--academy-text-main);
  --muted: var(--academy-text-muted);
  --dim: var(--academy-text-soft);
  --line: var(--academy-border);
  --line-strong: var(--academy-border-hot);
  --panel: var(--academy-bg-panel);
  --panel-raised: var(--academy-bg-panel-strong);
  --soft: var(--academy-bg-base);
  --accent: var(--academy-accent-primary);
  --accent-2: var(--academy-accent-secondary);
  --accent-soft: rgba(0, 143, 90, 0.1);
  --warning: var(--academy-accent-warning);
  --danger: var(--academy-accent-error);
  --info: var(--academy-accent-secondary);
  --shadow: var(--academy-shadow-panel), var(--academy-shadow-glow);
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--academy-font-body);
  background:
    radial-gradient(circle at 16% 0%, rgba(216, 180, 95, 0.12), transparent 26rem),
    radial-gradient(circle at 82% 8%, rgba(34, 211, 238, 0.13), transparent 28rem),
    radial-gradient(circle at 50% 110%, rgba(0, 255, 136, 0.13), transparent 32rem),
    linear-gradient(rgba(0, 255, 136, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    var(--academy-bg-base);
  background-size: auto, auto, auto, 42px 42px, 42px 42px, auto;
  color: var(--academy-text-main);
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 16% 0%, rgba(162, 28, 175, 0.08), transparent 25rem),
    radial-gradient(circle at 82% 8%, rgba(14, 116, 144, 0.09), transparent 28rem),
    radial-gradient(circle at 50% 110%, rgba(8, 127, 91, 0.08), transparent 32rem),
    linear-gradient(rgba(8, 127, 91, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 116, 144, 0.024) 1px, transparent 1px),
    var(--academy-bg-base);
  background-size: auto, auto, auto, 42px 42px, 42px 42px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 44%),
    repeating-linear-gradient(180deg, rgba(234, 255, 246, 0.018) 0 1px, transparent 1px 4px);
  opacity: 0.6;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

code,
.command-list code,
.brand-mark,
.eyebrow,
.kicker,
.mini-title,
.nav-number,
.pill,
.status-chip,
.theme-toggle,
.progress-top,
.sidebar-status {
  font-family: var(--academy-font-mono);
}

#app {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  border-right: 1px solid var(--academy-border);
  background:
    linear-gradient(180deg, rgba(13, 17, 31, 0.96), rgba(7, 7, 17, 0.92)),
    var(--academy-bg-shell);
  box-shadow: 14px 0 42px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
  padding: 18px 14px;
}

:root[data-theme="light"] .sidebar,
:root[data-theme="light"] .topbar {
  background: rgba(248, 255, 252, 0.86);
}

.brand {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid var(--academy-border);
  background:
    radial-gradient(circle at 18% 18%, var(--academy-brand-glow), transparent 42%),
    radial-gradient(circle at 82% 80%, var(--academy-brand-wash), transparent 46%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.055), transparent 48%),
    var(--academy-brand-bg);
  box-shadow: var(--academy-brand-shadow);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  overflow: hidden;
  isolation: isolate;
}

.brand::before,
.brand::after {
  display: none;
}

.brand-mark {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.12);
  color: var(--academy-accent-primary);
  font-weight: 900;
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.18);
}

:root[data-theme="light"] .brand-mark {
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1);
}

.brand-title {
  position: relative;
  z-index: 1;
  font-family: var(--academy-font-display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-subtitle,
.source-note,
.nav-item small,
.section-heading span,
.eyebrow,
.kicker,
dd,
.outcomes,
.panel p,
.info-card p,
.workflow-card,
.learning-card,
.screen-copy {
  color: var(--academy-text-muted);
}

.brand .brand-subtitle {
  position: relative;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.sidebar-status {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.sidebar-status div,
.kpi-strip div {
  border: 1px solid var(--academy-border);
  background: rgba(255, 255, 255, 0.025);
  padding: 10px;
  min-width: 0;
}

.sidebar-status span,
.kpi-strip span {
  display: block;
  color: var(--academy-text-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-status strong,
.kpi-strip strong {
  display: block;
  color: var(--academy-accent-primary);
  font-size: 14px;
  margin-top: 4px;
}

.language-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--academy-border);
  background: rgba(255, 255, 255, 0.026);
  color: var(--academy-text-muted);
  padding: 9px 10px;
  font-family: var(--academy-font-mono);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.mark-button,
.footer-nav button,
.icon-button,
.theme-toggle {
  border: 1px solid var(--academy-border);
  background: rgba(255, 255, 255, 0.026);
  color: var(--academy-text-muted);
  padding: 9px 10px;
  font-size: 12px;
  font-weight: 900;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, color 160ms ease, background 160ms ease;
}

.mark-button,
.footer-nav button:hover:not(:disabled),
.icon-button:hover,
.theme-toggle:hover {
  color: var(--academy-accent-primary);
  border-color: var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.1);
  box-shadow: 0 0 22px rgba(0, 255, 136, 0.12);
}

:root[data-theme="light"] .mark-button,
:root[data-theme="light"] .footer-nav button:hover:not(:disabled),
:root[data-theme="light"] .icon-button:hover,
:root[data-theme="light"] .theme-toggle:hover {
  background: rgba(8, 127, 91, 0.08);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.language-switch:focus-within,
.language-switch:hover {
  color: var(--academy-accent-primary);
  border-color: var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.1);
}

.language-switch select {
  min-width: 76px;
  border: 0;
  outline: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.progress-block,
.outcomes,
.panel,
.callout,
.hero-panel,
.info-card,
.workflow-card,
.entity-card,
.journey-card,
.screen-card,
.learning-card {
  position: relative;
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.045), transparent 42%),
    linear-gradient(180deg, var(--academy-bg-panel), rgba(17, 24, 39, 0.86));
  border: 1px solid var(--academy-border);
  box-shadow: var(--academy-shadow-panel), var(--academy-shadow-glow);
  overflow: hidden;
}

:root[data-theme="light"] .progress-block,
:root[data-theme="light"] .outcomes,
:root[data-theme="light"] .panel,
:root[data-theme="light"] .callout,
:root[data-theme="light"] .hero-panel,
:root[data-theme="light"] .info-card,
:root[data-theme="light"] .workflow-card,
:root[data-theme="light"] .entity-card,
:root[data-theme="light"] .journey-card,
:root[data-theme="light"] .screen-card,
:root[data-theme="light"] .learning-card {
  background:
    linear-gradient(135deg, rgba(8, 127, 91, 0.045), transparent 45%),
    linear-gradient(180deg, var(--academy-bg-panel), var(--academy-bg-panel-strong));
  box-shadow: var(--academy-shadow-panel);
}

.progress-block::before,
.panel::before,
.hero-panel::before,
.info-card::before,
.workflow-card::before,
.entity-card::before,
.journey-card::before,
.screen-card::before,
.learning-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--academy-accent-primary), var(--academy-accent-secondary), var(--academy-accent-magenta));
  opacity: 0.9;
}

.progress-block::after,
.panel::after,
.hero-panel::after,
.info-card::after,
.workflow-card::after,
.entity-card::after,
.journey-card::after,
.screen-card::after,
.learning-card::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 10px;
  width: 18px;
  height: 18px;
  border-top: 1px solid var(--academy-border-hot);
  border-right: 1px solid var(--academy-border-hot);
  pointer-events: none;
}

.progress-block {
  padding: 13px;
  margin-bottom: 14px;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 10px;
}

.progress-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-track div {
  height: 100%;
  background: linear-gradient(90deg, var(--academy-accent-primary), var(--academy-accent-secondary));
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.32);
}

:root[data-theme="light"] .progress-track div {
  box-shadow: none;
}

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

.nav-item {
  width: 100%;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 10px;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  padding: 10px;
  color: var(--academy-text-main);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.nav-item:hover,
.nav-item.active {
  transform: translateX(2px);
  background: linear-gradient(90deg, rgba(0, 255, 136, 0.12), rgba(34, 211, 238, 0.04));
  border-color: var(--academy-border-hot);
}

:root[data-theme="light"] .nav-item:hover,
:root[data-theme="light"] .nav-item.active {
  background: linear-gradient(90deg, rgba(8, 127, 91, 0.08), rgba(14, 116, 144, 0.04));
}

.nav-item.done .nav-number,
.nav-item.active .nav-number {
  background: rgba(0, 255, 136, 0.12);
  color: var(--academy-accent-primary);
  border-color: var(--academy-border-hot);
}

.nav-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--academy-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--academy-accent-secondary);
  font-size: 11px;
  font-weight: 900;
}

.nav-item strong,
.nav-item small {
  display: block;
}

.nav-item strong {
  font-size: 13px;
}

.nav-item small {
  margin-top: 2px;
  line-height: 1.25;
  font-size: 10px;
  text-transform: uppercase;
}

.source-note {
  margin-top: 16px;
  font-size: 11px;
  line-height: 1.45;
}

.content {
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 26px;
  border-bottom: 1px solid var(--academy-border);
  background: rgba(11, 13, 24, 0.78);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.1);
  color: var(--academy-accent-primary);
  font-size: 11px;
  font-weight: 900;
}

.status-chip.alt {
  border-color: var(--academy-border-cyan);
  background: rgba(34, 211, 238, 0.08);
  color: var(--academy-accent-secondary);
}

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

h1 {
  margin-bottom: 0;
  font-family: var(--academy-font-display);
  font-size: clamp(20px, 2.35vw, 29px);
  line-height: 1.08;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow,
.kicker,
.mini-title {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  font-weight: 900;
  color: var(--academy-accent-secondary);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 9px;
}

.theme-toggle-track {
  width: 32px;
  height: 17px;
  border: 1px solid var(--academy-border-hot);
  border-radius: 999px;
  background: rgba(0, 255, 136, 0.1);
  padding: 2px;
}

.theme-toggle-thumb {
  display: block;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--academy-accent-primary);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.24);
  transform: translateX(14px);
  transition: transform 160ms ease;
}

:root[data-theme="light"] .theme-toggle-thumb {
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.12);
}

:root[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(0);
}

.mobile-menu {
  display: none;
}

.lesson {
  max-width: 1420px;
  margin: 0 auto;
  padding: 24px 26px 54px;
}

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

.kpi-strip div {
  min-height: 92px;
  background:
    linear-gradient(135deg, rgba(216, 180, 95, 0.08), transparent 45%),
    rgba(255, 255, 255, 0.025);
}

.kpi-strip strong {
  font-size: clamp(21px, 2.2vw, 30px);
}

.kpi-strip small {
  display: block;
  color: var(--academy-text-muted);
  font-size: 12px;
  margin-top: 4px;
}

.lesson-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.lesson-intro h2 {
  font-family: var(--academy-font-body);
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.75;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 500;
  color: var(--academy-text-muted);
  margin-bottom: 0;
  max-width: 760px;
}

.outcomes {
  padding: 18px;
}

.check-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  margin-top: 11px;
  font-size: 14px;
  line-height: 1.4;
}

.check-row span {
  color: var(--academy-accent-primary);
  font-weight: 900;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 20px;
  padding: 24px;
  margin-bottom: 18px;
}

.hero-panel h2 {
  font-family: var(--academy-font-display);
  font-size: clamp(24px, 3.1vw, 38px);
  line-height: 1.12;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-panel p {
  color: var(--academy-text-muted);
  font-size: 15px;
  line-height: 1.72;
}

.hero-flow {
  display: grid;
  gap: 10px;
}

.hero-flow span {
  display: block;
  padding: 13px 14px;
  border: 1px solid var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.1);
  color: var(--academy-accent-primary);
  font-weight: 900;
}

.panel,
.callout {
  padding: 20px;
  margin-bottom: 18px;
}

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

.section-heading h3 {
  margin-bottom: 0;
  font-family: var(--academy-font-display);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.timeline-item {
  border-left: 2px solid var(--academy-accent-primary);
  padding-left: 12px;
}

.timeline-dot,
.run-number {
  display: grid;
  place-items: center;
  background: rgba(0, 255, 136, 0.11);
  color: var(--academy-accent-primary);
  border: 1px solid var(--academy-border-hot);
  font-family: var(--academy-font-mono);
  font-weight: 900;
}

.timeline-dot {
  width: 56px;
  height: 32px;
  font-size: 11px;
  margin-bottom: 10px;
}

.timeline-item h4 {
  font-size: 14px;
  line-height: 1.25;
  margin-bottom: 8px;
}

.timeline-item p,
.journey-card p,
.entity-card p {
  font-size: 13.5px;
  line-height: 1.58;
}

.callout {
  border-left: 4px solid var(--academy-accent-warning);
}

.callout strong {
  color: var(--academy-accent-warning);
}

.callout p {
  margin: 8px 0 0;
  line-height: 1.55;
}

.journey-grid,
.cards-grid,
.entity-list,
.workflow-list,
.learning-list {
  display: grid;
  gap: 14px;
}

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

.journey-card,
.entity-card {
  padding: 16px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

.journey-card summary,
.entity-card summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.journey-card small,
code {
  font-family: var(--academy-font-mono);
  font-size: 12px;
  color: var(--academy-accent-secondary);
  overflow-wrap: anywhere;
}

dl {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  gap: 8px 12px;
  margin-bottom: 0;
  font-size: 13px;
}

dt {
  font-weight: 900;
  color: var(--academy-text-main);
}

dd {
  margin: 0;
}

.flow-diagram {
  display: grid;
  grid-template-columns: repeat(6, minmax(110px, 1fr));
  gap: 8px;
  align-items: stretch;
}

.flow-node,
.table-box,
.azure-flow div,
.source-grid div,
.trouble-grid div,
.run-step,
.mockup {
  border: 1px solid var(--academy-border);
  background:
    repeating-linear-gradient(180deg, rgba(234, 255, 246, 0.02) 0 1px, transparent 1px 4px),
    rgba(7, 7, 17, 0.42);
}

:root[data-theme="light"] .flow-node,
:root[data-theme="light"] .table-box,
:root[data-theme="light"] .azure-flow div,
:root[data-theme="light"] .source-grid div,
:root[data-theme="light"] .trouble-grid div,
:root[data-theme="light"] .run-step,
:root[data-theme="light"] .mockup {
  background:
    repeating-linear-gradient(180deg, rgba(0, 143, 90, 0.035) 0 1px, transparent 1px 4px),
    rgba(255, 255, 255, 0.68);
}

.flow-node,
.table-box,
.azure-flow div {
  padding: 14px;
  min-height: 92px;
}

.flow-node strong,
.flow-node small,
.table-box strong,
.table-box span {
  display: block;
}

.flow-node strong,
.table-box strong {
  color: var(--academy-accent-primary);
}

.flow-node small,
.table-box span,
.azure-flow small {
  color: var(--academy-text-muted);
  margin-top: 6px;
}

.connector {
  display: none;
}

.component-map-panel {
  overflow: hidden;
}

.component-radar {
  position: relative;
  min-height: 580px;
  border: 1px solid var(--academy-border);
  background:
    radial-gradient(circle at center, rgba(0, 255, 136, 0.12), transparent 8rem),
    radial-gradient(circle at center, transparent 0 8rem, rgba(34, 211, 238, 0.08) 8.1rem 8.2rem, transparent 8.3rem 13.5rem, rgba(0, 255, 136, 0.08) 13.6rem 13.7rem, transparent 13.8rem),
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(34, 211, 238, 0.14) 50%, transparent calc(50% + 1px)),
    linear-gradient(180deg, transparent calc(50% - 1px), rgba(0, 255, 136, 0.14) 50%, transparent calc(50% + 1px)),
    repeating-linear-gradient(180deg, rgba(234, 255, 246, 0.018) 0 1px, transparent 1px 5px),
    rgba(7, 7, 17, 0.4);
  margin-top: 10px;
  overflow: hidden;
}

.radar-links {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.radar-links line {
  stroke: var(--academy-border-hot);
  stroke-width: 1.4;
  stroke-dasharray: 6 7;
  opacity: 0.62;
  filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.18));
}

:root[data-theme="light"] .component-radar {
  background:
    radial-gradient(circle at center, rgba(8, 127, 91, 0.08), transparent 8rem),
    radial-gradient(circle at center, transparent 0 8rem, rgba(14, 116, 144, 0.08) 8.1rem 8.2rem, transparent 8.3rem 13.5rem, rgba(8, 127, 91, 0.075) 13.6rem 13.7rem, transparent 13.8rem),
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(14, 116, 144, 0.11) 50%, transparent calc(50% + 1px)),
    linear-gradient(180deg, transparent calc(50% - 1px), rgba(8, 127, 91, 0.1) 50%, transparent calc(50% + 1px)),
    repeating-linear-gradient(180deg, rgba(8, 127, 91, 0.024) 0 1px, transparent 1px 5px),
    rgba(255, 255, 255, 0.72);
}

.component-radar::before,
.component-radar::after {
  content: "";
  position: absolute;
  inset: 58px;
  border: 1px dashed var(--academy-border-cyan);
  opacity: 0.42;
  pointer-events: none;
}

.component-radar::after {
  inset: 122px;
  border-color: var(--academy-border-hot);
  opacity: 0.34;
}

.radar-core {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  width: min(240px, 42%);
  min-height: 150px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  text-align: center;
  border: 1px solid var(--academy-border-hot);
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.16), rgba(34, 211, 238, 0.08)),
    rgba(13, 17, 31, 0.88);
  box-shadow: var(--academy-shadow-panel), 0 0 34px rgba(0, 255, 136, 0.16);
  padding: 20px;
}

:root[data-theme="light"] .radar-core {
  background:
    linear-gradient(135deg, rgba(8, 127, 91, 0.09), rgba(14, 116, 144, 0.06)),
    rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.1);
}

.radar-core span,
.radar-node span,
.map-hint {
  font-family: var(--academy-font-mono);
}

.radar-core span,
.radar-node span {
  color: var(--academy-accent-secondary);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.radar-core strong {
  color: var(--academy-accent-primary);
  font-family: var(--academy-font-display);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.radar-core small {
  color: var(--academy-text-muted);
  font-size: 12.5px;
  line-height: 1.45;
}

.radar-node {
  position: absolute;
  left: var(--node-x);
  top: var(--node-y);
  z-index: 3;
  width: 174px;
  min-height: 112px;
  border: 1px solid var(--academy-border);
  background:
    repeating-linear-gradient(180deg, rgba(234, 255, 246, 0.02) 0 1px, transparent 1px 4px),
    rgba(13, 17, 31, 0.88);
  color: var(--academy-text-main);
  padding: 12px;
  text-align: left;
  touch-action: none;
  user-select: none;
  transform: translate(-50%, -50%);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

:root[data-theme="light"] .radar-node {
  background:
    repeating-linear-gradient(180deg, rgba(8, 127, 91, 0.026) 0 1px, transparent 1px 4px),
    rgba(255, 255, 255, 0.9);
}

.radar-node strong,
.radar-node code {
  display: block;
}

.radar-node strong {
  margin: 7px 0;
  color: var(--academy-text-main);
  font-family: var(--academy-font-display);
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.radar-node code {
  color: var(--academy-accent-secondary);
  font-size: 10.5px;
}

.radar-node::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 20px;
  height: 20px;
  border-top: 1px solid var(--academy-border-hot);
  border-right: 1px solid var(--academy-border-hot);
}

.radar-node::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  z-index: 10;
  width: min(280px, 76vw);
  transform: translateX(-50%) translateY(-4px);
  border: 1px solid var(--academy-border-hot);
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.08), rgba(34, 211, 238, 0.06)),
    rgba(5, 8, 16, 0.98);
  color: var(--academy-text-main);
  box-shadow: var(--academy-shadow-panel), 0 0 26px rgba(0, 255, 136, 0.14);
  padding: 11px 12px;
  font-size: 12.5px;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

:root[data-theme="light"] .radar-node::after {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
}

.radar-node:hover,
.radar-node:focus-visible {
  z-index: 12;
  transform: translate(-50%, -52%) scale(1.02);
  border-color: var(--academy-border-hot);
  outline: none;
  box-shadow: var(--academy-shadow-panel), 0 0 26px rgba(0, 255, 136, 0.18);
}

.radar-node.dragging {
  z-index: 20;
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.03);
  border-color: var(--academy-accent-primary);
  box-shadow: var(--academy-shadow-panel), 0 0 30px rgba(0, 255, 136, 0.26);
}

.radar-node.dragging::after {
  opacity: 0;
}

:root[data-theme="light"] .radar-node:hover,
:root[data-theme="light"] .radar-node:focus-visible {
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.11);
}

.radar-node:hover::after,
.radar-node:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.radar-node.pos-6::after,
.radar-node.pos-7::after,
.radar-node.pos-8::after,
.radar-node.pos-9::after {
  top: auto;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
}

.radar-node.pos-6:hover::after,
.radar-node.pos-6:focus-visible::after,
.radar-node.pos-7:hover::after,
.radar-node.pos-7:focus-visible::after,
.radar-node.pos-8:hover::after,
.radar-node.pos-8:focus-visible::after,
.radar-node.pos-9:hover::after,
.radar-node.pos-9:focus-visible::after {
  transform: translateX(-50%) translateY(0);
}

.radar-node.pos-1::after,
.radar-node.pos-4::after,
.radar-node.pos-6::after {
  left: 0;
  transform: translateY(-4px);
}

.radar-node.pos-1:hover::after,
.radar-node.pos-1:focus-visible::after,
.radar-node.pos-4:hover::after,
.radar-node.pos-4:focus-visible::after,
.radar-node.pos-6:hover::after,
.radar-node.pos-6:focus-visible::after {
  transform: translateY(0);
}

.radar-node.pos-3::after,
.radar-node.pos-5::after,
.radar-node.pos-9::after {
  left: auto;
  right: 0;
  transform: translateY(-4px);
}

.radar-node.pos-3:hover::after,
.radar-node.pos-3:focus-visible::after,
.radar-node.pos-5:hover::after,
.radar-node.pos-5:focus-visible::after,
.radar-node.pos-9:hover::after,
.radar-node.pos-9:focus-visible::after {
  transform: translateY(0);
}

.radar-node.tone-cyan {
  border-color: var(--academy-border-cyan);
}

.radar-node.tone-magenta {
  border-color: rgba(255, 61, 242, 0.34);
}

.radar-node.tone-amber {
  border-color: rgba(245, 158, 11, 0.42);
}

.radar-node.tone-green,
.radar-node.tone-primary {
  border-color: var(--academy-border-hot);
}

.radar-node.pos-1,
.radar-node.pos-2,
.radar-node.pos-3,
.radar-node.pos-4,
.radar-node.pos-5,
.radar-node.pos-6,
.radar-node.pos-7,
.radar-node.pos-8,
.radar-node.pos-9,
.radar-node.pos-10 {
  right: auto;
  bottom: auto;
}

.map-hint {
  margin: 12px 0 0;
  color: var(--academy-text-muted);
  font-size: 11.5px;
  line-height: 1.5;
}

.skeleton-panel,
.database-blueprint-panel {
  overflow: hidden;
}

.skeleton-map {
  position: relative;
  display: grid;
  gap: 14px;
}

.skeleton-map::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 44px;
  bottom: 44px;
  width: 2px;
  background: linear-gradient(180deg, var(--academy-accent-secondary), var(--academy-accent-primary), var(--academy-accent-magenta));
  opacity: 0.42;
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.2);
}

:root[data-theme="light"] .skeleton-map::before {
  opacity: 0.28;
  box-shadow: none;
}

.skeleton-layer {
  position: relative;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--academy-border);
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.065), transparent 34%),
    rgba(7, 7, 17, 0.34);
}

:root[data-theme="light"] .skeleton-layer {
  background:
    linear-gradient(135deg, rgba(8, 127, 91, 0.055), transparent 36%),
    rgba(255, 255, 255, 0.72);
}

.skeleton-layer::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%) rotate(45deg);
  border: 1px solid var(--academy-border-hot);
  background: var(--academy-bg-panel);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.18);
}

:root[data-theme="light"] .skeleton-layer::before {
  box-shadow: none;
}

.skeleton-layer.cyan {
  border-color: var(--academy-border-cyan);
}

.skeleton-layer.magenta {
  border-color: rgba(255, 61, 242, 0.28);
}

.skeleton-layer.amber {
  border-color: rgba(245, 158, 11, 0.34);
}

.layer-header {
  padding-left: 34px;
  align-self: center;
}

.layer-header span,
.db-table-title span,
.insight-card span {
  display: block;
  margin-bottom: 8px;
  font-family: var(--academy-font-mono);
  font-size: 10px;
  font-weight: 900;
  color: var(--academy-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.layer-header strong,
.db-table-title strong {
  display: block;
  color: var(--academy-text-main);
  font-family: var(--academy-font-display);
  font-size: 14px;
  line-height: 1.25;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.layer-nodes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.skeleton-node,
.db-table,
.insight-card {
  position: relative;
  border: 1px solid var(--academy-border);
  background:
    repeating-linear-gradient(180deg, rgba(234, 255, 246, 0.018) 0 1px, transparent 1px 4px),
    rgba(13, 17, 31, 0.62);
  padding: 13px;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

:root[data-theme="light"] .skeleton-node,
:root[data-theme="light"] .db-table,
:root[data-theme="light"] .insight-card {
  background:
    repeating-linear-gradient(180deg, rgba(8, 127, 91, 0.025) 0 1px, transparent 1px 4px),
    rgba(255, 255, 255, 0.78);
}

.skeleton-node::after,
.db-table::after,
.insight-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 22px;
  height: 22px;
  border-top: 1px solid var(--academy-border-hot);
  border-right: 1px solid var(--academy-border-hot);
}

.skeleton-node:hover,
.db-table:hover,
.insight-card:hover {
  transform: translateY(-2px);
  border-color: var(--academy-border-hot);
  box-shadow: var(--academy-shadow-panel), 0 0 24px rgba(0, 255, 136, 0.12);
}

:root[data-theme="light"] .skeleton-node:hover,
:root[data-theme="light"] .db-table:hover,
:root[data-theme="light"] .insight-card:hover {
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.09);
}

.skeleton-node strong {
  display: block;
  color: var(--academy-accent-primary);
  font-size: 13px;
  line-height: 1.25;
  margin-bottom: 7px;
}

.skeleton-node small {
  display: block;
  color: var(--academy-text-muted);
  font-size: 12.5px;
  line-height: 1.45;
  min-height: 52px;
}

.skeleton-node code {
  display: block;
  margin-top: 10px;
  color: var(--academy-accent-secondary);
}

.database-blueprint {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.db-table {
  min-height: 100%;
}

.db-table.primary {
  grid-column: span 3;
  border-color: var(--academy-border-hot);
}

.db-table.history,
.db-table.risk,
.db-table.audit {
  grid-column: span 2;
}

.db-table.risk {
  border-color: rgba(245, 158, 11, 0.34);
}

.db-table.audit {
  border-color: rgba(255, 61, 242, 0.28);
}

.db-table ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin: 12px 0;
  list-style: none;
}

.db-table li {
  border: 1px solid var(--academy-border);
  background: rgba(255, 255, 255, 0.035);
  color: var(--academy-accent-secondary);
  font-family: var(--academy-font-mono);
  font-size: 10.5px;
  padding: 5px 7px;
}

:root[data-theme="light"] .db-table li {
  background: rgba(8, 127, 91, 0.055);
}

.db-table p,
.insight-card p {
  color: var(--academy-text-muted);
  font-size: 13px;
  line-height: 1.56;
  margin: 0;
}

.relationship-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--academy-border);
}

.relationship-rail span {
  border: 1px solid var(--academy-border-cyan);
  color: var(--academy-accent-secondary);
  background: rgba(34, 211, 238, 0.07);
  font-family: var(--academy-font-mono);
  font-size: 11px;
  font-weight: 900;
  padding: 7px 9px;
}

.skeleton-insights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.insight-card {
  padding: 16px;
}

.insight-card h3 {
  color: var(--academy-text-main);
  font-family: var(--academy-font-display);
  font-size: 15px;
  line-height: 1.25;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.info-card,
.workflow-card,
.learning-card {
  padding: 18px;
}

.info-card:hover,
.workflow-card:hover,
.learning-card:hover,
.journey-card:hover,
.entity-card:hover,
.screen-card:hover {
  border-color: var(--academy-border-hot);
  box-shadow: var(--academy-shadow-panel), 0 0 34px rgba(0, 255, 136, 0.16);
}

:root[data-theme="light"] .info-card:hover,
:root[data-theme="light"] .workflow-card:hover,
:root[data-theme="light"] .learning-card:hover,
:root[data-theme="light"] .journey-card:hover,
:root[data-theme="light"] .entity-card:hover,
:root[data-theme="light"] .screen-card:hover {
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.11);
}

.info-card h3,
.workflow-card h3,
.learning-card h3,
.screen-copy h3 {
  font-family: var(--academy-font-display);
  font-size: 15px;
  line-height: 1.25;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.info-card p,
.workflow-card,
.learning-card,
.screen-copy,
.number-list,
dd {
  font-size: 13.5px;
  line-height: 1.62;
}

.schema-map {
  display: grid;
  grid-template-columns: 1fr 90px 1fr;
  gap: 14px;
  align-items: center;
}

.table-box.primary {
  border-color: var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.08);
}

.relation {
  text-align: center;
  color: var(--academy-accent-magenta);
  font-family: var(--academy-font-mono);
  font-size: 12px;
  font-weight: 900;
}

.schema-children {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.field-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.pill {
  border: 1px solid var(--academy-border);
  background: rgba(255, 255, 255, 0.035);
  padding: 6px 10px;
  color: var(--academy-accent-primary);
  font-size: 11px;
  font-weight: 900;
}

.workflow-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.number-list {
  margin: 0;
  padding-left: 22px;
  line-height: 1.7;
}

.number-list.compact {
  font-size: 14px;
}

.failure {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(245, 158, 11, 0.28);
  background: rgba(245, 158, 11, 0.1);
  color: var(--academy-accent-warning);
  font-size: 14px;
}

.screen-list {
  display: grid;
  gap: 16px;
}

.screen-card {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
  padding: 16px;
}

.mockup {
  padding: 14px;
  min-height: 190px;
}

.mockup-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.mockup-bar span {
  width: 10px;
  height: 10px;
  background: var(--academy-accent-secondary);
  opacity: 0.7;
}

.mockup-bar span:nth-child(2) {
  background: var(--academy-accent-primary);
}

.mockup-bar span:nth-child(3) {
  background: var(--academy-accent-magenta);
}

.mockup-title {
  border: 1px solid var(--academy-border-hot);
  background: rgba(0, 255, 136, 0.1);
  padding: 14px;
  font-weight: 900;
  color: var(--academy-accent-primary);
}

.mockup-lines {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.mockup-lines i {
  display: block;
  height: 16px;
  background: rgba(145, 167, 160, 0.16);
}

.mockup-lines i:nth-child(2) {
  width: 82%;
}

.mockup-lines i:nth-child(3) {
  width: 64%;
}

.azure-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.azure-flow div {
  font-weight: 900;
}

.azure-flow .wide {
  grid-column: 1 / -1;
  border-color: var(--academy-border-cyan);
  background: rgba(34, 211, 238, 0.08);
}

.learning-card ul {
  margin: 12px 0;
  padding-left: 20px;
  line-height: 1.6;
}

.run-steps {
  display: grid;
  gap: 14px;
}

.run-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
}

.run-number {
  width: 36px;
  height: 36px;
}

.run-step h4 {
  margin-bottom: 6px;
}

.run-step p {
  line-height: 1.5;
  margin-bottom: 12px;
}

.command-list {
  display: grid;
  gap: 7px;
  margin: 12px 0;
}

.command-list code {
  display: block;
  padding: 10px 12px;
  background:
    repeating-linear-gradient(180deg, rgba(234, 255, 246, 0.025) 0 1px, transparent 1px 4px),
    rgba(0, 0, 0, 0.38);
  color: var(--academy-text-main);
  border: 1px solid var(--academy-border);
  overflow-x: auto;
}

.check-note {
  border-left: 4px solid var(--academy-accent-primary);
  background: rgba(0, 255, 136, 0.08);
  padding: 10px 12px;
  color: var(--academy-text-main);
  font-size: 14px;
  line-height: 1.45;
}

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

.trouble-grid div,
.source-grid div {
  padding: 14px;
}

.trouble-grid p {
  margin: 8px 0 0;
  line-height: 1.45;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-row a {
  color: var(--academy-accent-primary);
  font-weight: 900;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.source-grid strong,
.source-grid code {
  display: block;
}

.quiz details {
  border-top: 1px solid var(--academy-border);
  padding: 14px 0;
}

.quiz details:last-child {
  padding-bottom: 0;
}

.quiz p {
  margin: 10px 0 0;
}

.footer-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.footer-nav button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

@media (max-width: 1120px) {
  #app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(88vw, 340px);
    transform: translateX(-105%);
    transition: transform 180ms ease;
    z-index: 20;
  }

  body.nav-open .sidebar {
    transform: translateX(0);
  }

  .content {
    height: 100vh;
  }

  .mobile-menu {
    display: inline-grid;
    place-items: center;
  }

  .lesson-intro,
  .hero-panel,
  .screen-card {
    grid-template-columns: 1fr;
  }

  .timeline,
  .journey-grid,
  .cards-grid,
  .schema-children,
  .source-grid,
  .azure-flow,
  .trouble-grid,
  .kpi-strip {
    grid-template-columns: 1fr;
  }

  .flow-diagram,
  .schema-map,
  .skeleton-layer,
  .layer-nodes,
  .database-blueprint,
  .skeleton-insights {
    grid-template-columns: 1fr;
  }

  .component-radar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    min-height: 0;
    padding: 12px;
  }

  .component-radar::before,
  .component-radar::after,
  .radar-links {
    display: none;
  }

  .radar-core,
  .radar-node,
  .radar-node.pos-1,
  .radar-node.pos-2,
  .radar-node.pos-3,
  .radar-node.pos-4,
  .radar-node.pos-5,
  .radar-node.pos-6,
  .radar-node.pos-7,
  .radar-node.pos-8,
  .radar-node.pos-9 {
    position: relative;
    inset: auto;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    width: auto;
    min-height: 0;
    transform: none;
  }

  .radar-core {
    grid-column: 1 / -1;
  }

  .radar-node:hover,
  .radar-node:focus-visible {
    transform: translateY(-2px);
  }

  .radar-node::after {
    position: static;
    display: block;
    width: auto;
    transform: none;
    opacity: 1;
    margin-top: 10px;
    box-shadow: none;
  }

  .radar-node:hover::after,
  .radar-node:focus-visible::after {
    transform: none;
  }

  .skeleton-map::before {
    left: 24px;
  }

  .skeleton-layer {
    padding-left: 14px;
  }

  .db-table.primary,
  .db-table.history,
  .db-table.risk,
  .db-table.audit {
    grid-column: auto;
  }

  .relation {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 14px 16px;
    align-items: stretch;
    flex-direction: column;
  }

  .topbar h1 {
    font-size: 22px;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .mark-button {
    padding: 8px 10px;
    font-size: 12px;
  }

  .lesson {
    padding: 18px 16px 46px;
  }

  .lesson-intro h2 {
    font-size: 23px;
  }

  .hero-panel h2 {
    font-size: 23px;
  }

  dl {
    grid-template-columns: 1fr;
  }

  .workflow-head,
  .section-heading,
  .footer-nav {
    align-items: stretch;
    flex-direction: column;
  }

  .component-radar {
    grid-template-columns: 1fr;
  }
}