:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-soft: #e8eef6;
  --surface-muted: #f8fafc;
  --surface-raised: #ffffff;
  --nav-bg: #fbfcfe;
  --button-bg: #ffffff;
  --button-text: #243449;
  --active-bg: #e8f2ff;
  --active-soft: #e6f6f2;
  --code-bg: #101827;
  --code-text: #f8fafc;
  --success-bg: #f0fdf4;
  --success-text: #14532d;
  --info-bg: #eef6ff;
  --info-text: #123a6f;
  --warning-bg: #fff7ed;
  --warning-text: #9a3412;
  --danger-bg: #fef2f2;
  --danger-text: #991b1b;
  --ink: #17202a;
  --text: #17202a;
  --muted: #334155;
  --line: #c8d3df;
  --accent: #1f6feb;
  --accent-dark: #174ea6;
  --green: #16834a;
  --amber: #b25b00;
  --red: #b42318;
  --shadow: 0 12px 28px rgba(21, 32, 45, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d1117;
    --surface: #151b23;
    --surface-soft: #1f2937;
    --surface-muted: #111827;
    --surface-raised: #1b2430;
    --nav-bg: #101722;
    --button-bg: #1f2937;
    --button-text: #e5edf6;
    --active-bg: #14345f;
    --active-soft: #123d39;
    --code-bg: #050a12;
    --code-text: #edf5ff;
    --success-bg: #10281a;
    --success-text: #8ee4a8;
    --info-bg: #10253f;
    --info-text: #b7d7ff;
    --warning-bg: #351e0b;
    --warning-text: #ffd19a;
    --danger-bg: #3a1414;
    --danger-text: #ffb4b4;
    --ink: #e5edf6;
    --text: #e5edf6;
    --muted: #b6c2cf;
    --line: #344255;
    --accent: #6aa7ff;
    --accent-dark: #9ec7ff;
    --green: #5fd18b;
    --amber: #f2a550;
    --red: #ff8a80;
    --shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1117;
  --surface: #151b23;
  --surface-soft: #1f2937;
  --surface-muted: #111827;
  --surface-raised: #1b2430;
  --nav-bg: #101722;
  --button-bg: #1f2937;
  --button-text: #e5edf6;
  --active-bg: #14345f;
  --active-soft: #123d39;
  --code-bg: #050a12;
  --code-text: #edf5ff;
  --success-bg: #10281a;
  --success-text: #8ee4a8;
  --info-bg: #10253f;
  --info-text: #b7d7ff;
  --warning-bg: #351e0b;
  --warning-text: #ffd19a;
  --danger-bg: #3a1414;
  --danger-text: #ffb4b4;
  --ink: #e5edf6;
  --text: #e5edf6;
  --muted: #b6c2cf;
  --line: #344255;
  --accent: #6aa7ff;
  --accent-dark: #9ec7ff;
  --green: #5fd18b;
  --amber: #f2a550;
  --red: #ff8a80;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
}

body.image-modal-open {
  overflow: hidden;
}

img:not(.image-modal-img) {
  cursor: zoom-in;
}

a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input {
  font: inherit;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 24px;
  align-items: end;
  padding: 26px 32px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.eyebrow {
  margin: 0 0 8px;
  color: #0e7490;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.22;
}

.summary,
.section-meta {
  color: var(--muted);
}

.summary {
  margin: 10px 0 0;
  font-size: 15px;
}

.topbar-actions,
.header-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.header-tools {
  justify-content: flex-start;
  margin-bottom: 18px;
}

.header-tools [data-theme-toggle] {
  margin-left: auto;
}

.display-tools {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.header-tools .display-tools {
  margin-left: auto;
}

.display-tools [data-theme-toggle] {
  margin-left: 0;
}

.theme-toggle,
.topbar-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--button-bg);
  color: var(--button-text);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.theme-toggle {
  gap: 8px;
}

.theme-toggle:hover,
.topbar-link:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  text-decoration: none;
}

.theme-toggle-mark {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 999px;
  background: transparent;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-mark {
  background: currentColor;
  box-shadow: inset -4px 0 0 var(--button-bg);
}

.status-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.status-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

#progressText {
  display: block;
  margin-top: 4px;
  font-size: 26px;
}

.progress-track {
  height: 8px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #d6dfeb;
}

#progressBar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #0e7490, var(--green));
  transition: width 160ms ease;
}

.course-top-nav,
.quick-path {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--nav-bg);
}

.course-child-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 32px 12px 46px;
  border-bottom: 1px solid var(--line);
  background: var(--nav-bg);
}

.detail-header .course-top-nav {
  margin-top: 18px;
  padding: 0;
  border-bottom: 0;
  background: transparent;
}

.detail-header .course-child-nav {
  margin-top: 8px;
  padding: 8px 0 0 14px;
  border-left: 3px solid var(--line);
  border-top: 0;
  border-bottom: 0;
  background: transparent;
}

.course-child-label {
  flex: 0 0 auto;
  margin-right: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.course-top-nav a,
.quick-path button,
.quick-path a,
.print-button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--button-bg);
  color: var(--button-text);
  font-weight: 850;
  cursor: pointer;
}

.course-top-nav a,
.quick-path button,
.quick-path a {
  flex: 0 0 auto;
  padding: 8px 12px;
  font-size: 13px;
}

.course-child-nav a {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.course-top-nav a:hover,
.course-child-nav a:hover,
.quick-path button:hover,
.quick-path a:hover,
.print-button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  text-decoration: none;
}

.course-top-nav a[aria-current="page"] {
  border-color: var(--accent);
  background: var(--active-soft);
  color: var(--accent-dark);
}

.course-child-nav a[aria-current="page"] {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line));
  background: var(--active-soft);
  color: var(--accent-dark);
}

.workspace {
  display: grid;
  grid-template-columns: 276px minmax(0, 1fr) 292px;
  gap: 20px;
  padding: 20px 24px 32px;
}

.sidebar {
  position: sticky;
  top: 16px;
  align-self: start;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

#navList {
  display: grid;
  gap: 10px;
}

.nav-group {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.nav-group-title {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 12px;
  font-weight: 900;
}

.nav-item {
  width: 100%;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 11px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.nav-item:last-child {
  border-bottom: 0;
}

.nav-item:hover,
.nav-item.active {
  background: var(--active-bg);
}

.nav-item.active {
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-code {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 32px;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
}

.nav-item.active .nav-code {
  background: var(--accent);
  color: #fff;
}

.nav-title,
.nav-meta {
  display: block;
  min-width: 0;
}

.nav-title {
  display: -webkit-box;
  overflow: hidden;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.nav-meta {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.content-panel,
.rail-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.content-panel {
  overflow: hidden;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.section-head h2 {
  font-size: 26px;
  line-height: 1.25;
}

.section-meta {
  margin: 8px 0 0;
}

.print-button {
  align-self: start;
  padding: 8px 12px;
}

.visual-stage {
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background: #f9fbfd;
}

.journey-map,
.split-steps,
.template-card,
.timeline-visual,
.ops-board {
  display: grid;
  gap: 12px;
}

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

.journey-map div,
.template-card div,
.timeline-visual div,
.ops-board div,
.split-steps > div {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.journey-map span,
.timeline-visual span {
  display: block;
  color: #0e7490;
  font-size: 12px;
  font-weight: 900;
}

.journey-map strong,
.template-card b,
.timeline-visual strong,
.ops-board strong {
  display: block;
  margin-top: 5px;
  font-size: 16px;
}

.journey-map small,
.template-card span,
.timeline-visual small,
.ops-board span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.overview-compact h3 {
  margin-bottom: 14px;
}

.overview-journey-map {
  grid-template-columns: repeat(4, minmax(140px, 1fr));
}

.overview-journey-map .overview-flow-card {
  border-left: 4px solid #0e7490;
}

.overview-journey-map .overview-flow-red {
  border-left-color: #dc2626;
}

.overview-journey-map .overview-flow-blue {
  border-left-color: #2563eb;
}

.learning-path-block h3 {
  margin-bottom: 14px;
}

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

.learning-path-card {
  min-width: 0;
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid #0e7490;
  border-radius: 8px;
  background: #fff;
}

.learning-path-red {
  border-left-color: #dc2626;
}

.learning-path-blue {
  border-left-color: #2563eb;
}

.learning-path-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.learning-path-head span {
  color: #0e7490;
  font-size: 12px;
  font-weight: 900;
}

.learning-path-goal {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
}

.learning-path-card strong {
  font-size: 17px;
  line-height: 1.35;
}

.learning-path-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.learning-path-meta {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.learning-path-card b {
  display: block;
  color: var(--ink);
  font-size: 12px;
  font-weight: 950;
}

.learning-path-meta span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.learning-path-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.learning-path-links a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.mission-chain-block h3 {
  margin-bottom: 14px;
}

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

.mission-chain-card {
  min-width: 0;
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
  background: #fff;
}

.mission-chain-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mission-chain-head span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 28px;
  border-radius: 999px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 13px;
  font-weight: 900;
}

.mission-chain-head em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.mission-chain-card strong {
  font-size: 16px;
}

.mission-chain-missions {
  margin: -2px 0 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.mission-chain-card dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.mission-chain-card dl div {
  display: grid;
  gap: 3px;
}

.mission-chain-card dt {
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.mission-chain-card dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.mission-chain-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.mission-chain-links a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.shared-board-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, auto);
  gap: 18px;
  align-items: center;
  border-left: 5px solid var(--accent);
}

.shared-board-block > div {
  min-width: 0;
}

.shared-board-block span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.shared-board-block h3 {
  margin-top: 4px;
}

.shared-board-block p {
  margin: 8px 0;
  color: var(--muted);
  line-height: 1.65;
}

.shared-board-block ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.shared-board-block li {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 850;
}

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

.shared-board-actions a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 13px;
  font-weight: 950;
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
}

.version-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 38px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--button-bg);
}

.version-switcher span {
  padding: 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.version-switcher a {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.version-switcher a[aria-current="page"] {
  background: var(--code-bg);
  color: var(--code-text);
  border-color: var(--code-bg);
}

.command-explain {
  border-top: 1px solid var(--line);
  background: var(--surface-muted);
}

.command-explain summary {
  min-height: 36px;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
  cursor: pointer;
}

.command-explain dl {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0 12px 12px;
}

.command-explain dl div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.command-explain dt {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.command-explain dd {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.mission-shell .detail-main {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.mission-block {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.mission-block li {
  overflow-wrap: anywhere;
}

.mission-block h2 {
  margin-bottom: 12px;
}

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

.mission-board-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mission-board-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.mission-board-card strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.35;
}

.mission-board-card p,
.mission-board-card li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.mission-board-card ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
}

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

.mission-discovery-block .mission-board-card:nth-child(2) {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
}

.mission-discovery-block .mission-board-card:nth-child(3) {
  border-color: color-mix(in srgb, var(--success-text) 28%, var(--line));
}

.mission-board-links,
.mission-sheet-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mission-board-links a,
.mission-sheet-links a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--button-bg);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.mission-sheet-links {
  display: grid;
}

.mission-sheet-links p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

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

.mission-artifact-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.mission-artifact-index {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-artifact-card h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.mission-artifact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.mission-artifact-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.mission-artifact-fields span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--button-text);
  font-size: 11px;
  font-weight: 900;
}

.mission-section-note {
  max-width: 920px;
  margin: -4px 0 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.6;
}

.mission-cve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.mission-cve-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--surface-muted);
}

.mission-cve-head {
  display: grid;
  gap: 6px;
}

.mission-cve-head span {
  width: fit-content;
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-cve-head strong {
  font-size: 17px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.mission-cve-card dl {
  display: grid;
  gap: 7px;
  margin: 0;
}

.mission-cve-card dl div {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
}

.mission-cve-card dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.mission-cve-card dd {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.mission-cve-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.mission-cve-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mission-cve-links a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
  text-decoration: none;
}

.mission-response-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.mission-response-card,
.mission-step-response,
.mission-next-use {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.mission-response-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mission-response-head span {
  display: inline-flex;
  min-width: 32px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-response-card p,
.mission-next-use p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.mission-response-card p b,
.mission-next-use b,
.mission-step-response b {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.mission-response-card pre,
.mission-step-response pre {
  margin: 0;
  padding: 12px;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 12px;
  line-height: 1.55;
}

.mission-next-theory {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border: 1px solid #9dc4ef;
  border-radius: 10px;
  background: #eef7ff;
}

.mission-next-theory div {
  min-width: 0;
}

.mission-next-theory span {
  display: inline-flex;
  margin-bottom: 6px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-next-theory h2 {
  margin: 0;
  color: #123a6f;
  font-size: 20px;
  line-height: 1.35;
}

.mission-next-theory p {
  margin: 6px 0 0;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
}

.mission-next-theory a {
  flex: 0 0 auto;
  padding: 10px 13px;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 950;
  text-decoration: none;
}

.board-layout {
  display: grid;
  gap: 18px;
  padding: 24px 28px 40px;
}

.board-panel {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.board-guide-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.board-guide-panel span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.board-guide-panel h2 {
  margin: 4px 0 8px;
}

.board-guide-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

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

.board-structure-panel article {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.board-structure-panel span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.board-structure-panel h2 {
  margin: 0;
  font-size: 18px;
}

.board-structure-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.board-action-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.board-action-row a,
.board-action-row button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 13px;
  font-weight: 950;
  text-decoration: none;
  cursor: pointer;
}

.mission-board-app {
  display: grid;
  gap: 18px;
}

.board-runtime-panel,
.board-mission-head,
.board-progress-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.board-runtime-panel span[data-board-status] {
  width: fit-content;
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
}

.board-runtime-panel span[data-status="ok"] {
  background: var(--success-bg);
  color: var(--success-text);
}

.board-runtime-panel span[data-status="saving"] {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.board-runtime-panel span[data-status="error"] {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.board-runtime-panel h2,
.board-summary-panel h2,
.board-mission-panel h2,
.board-roster-group h2 {
  margin: 6px 0;
}

.board-runtime-panel p,
.board-progress-head p,
.board-mission-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.mission-board-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mission-board-tabs button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--button-bg);
  color: var(--button-text);
  font-size: 13px;
  font-weight: 950;
  cursor: pointer;
}

.mission-board-tabs button[aria-selected="true"] {
  background: var(--active-bg);
  color: var(--accent-dark);
  border-color: var(--accent);
}

.mission-board-content {
  min-width: 0;
}

.board-summary-panel,
.board-mission-panel,
.board-roster-grid {
  display: grid;
  gap: 18px;
}

.board-progress-bar,
.board-progress-list i {
  display: block;
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: var(--surface-muted);
}

.board-progress-bar {
  min-width: 240px;
}

.board-progress-bar i,
.board-progress-list u {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.board-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.board-progress-group {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.board-progress-group h3 {
  margin-bottom: 12px;
}

.board-progress-list {
  display: grid;
  gap: 8px;
}

.board-progress-list button {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.board-progress-list span {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.board-progress-list em {
  color: var(--button-text);
  font-size: 12px;
  font-style: normal;
  font-weight: 950;
}

.board-progress-list i {
  grid-column: 1 / -1;
  height: 7px;
}

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

.board-roster-group {
  display: grid;
  gap: 12px;
}

.board-roster-list {
  display: grid;
  gap: 8px;
}

.board-roster-list label,
.board-record-card label,
.board-identity-grid label,
.board-student-fields label {
  display: grid;
  gap: 6px;
}

.board-roster-list label {
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
}

.board-roster-list span,
.board-record-card label span,
.board-mission-select span,
.board-identity-grid label span,
.board-student-fields label span,
.board-student-head span,
.board-my-progress span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.board-roster-list input,
.board-record-card input,
.board-record-card textarea,
.board-record-card select,
.board-mission-select select,
.board-identity-grid input,
.board-identity-grid select,
.board-student-fields input,
.board-student-fields textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.board-roster-list input,
.board-record-card input,
.board-record-card select,
.board-mission-select select,
.board-identity-grid input,
.board-identity-grid select,
.board-student-fields input {
  min-height: 38px;
  padding: 8px 10px;
}

.board-record-card textarea,
.board-student-fields textarea {
  padding: 10px;
  resize: vertical;
}

.board-mission-select {
  display: grid;
  gap: 6px;
  min-width: 260px;
}

.board-identity-panel,
.board-student-panel {
  display: grid;
  gap: 16px;
}

.board-identity-grid {
  display: grid;
  grid-template-columns: 160px 160px minmax(240px, 1fr);
  gap: 12px;
  align-items: end;
}

.board-evidence-card {
  display: grid;
  gap: 12px;
}

.board-check-head {
  display: grid;
  grid-template-columns: auto 78px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

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

.board-evidence-grid label {
  display: grid;
  gap: 6px;
}

.board-evidence-grid span,
.board-actor-note {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.board-evidence-grid textarea {
  width: 100%;
  min-width: 0;
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  padding: 9px 10px;
  font: inherit;
  resize: vertical;
}

.board-actor-note {
  margin: 0;
}

.board-identity-grid-compact {
  grid-template-columns: repeat(2, minmax(150px, 220px));
}

.board-my-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 16px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.board-my-progress strong {
  display: block;
  margin-top: 4px;
  font-size: 28px;
  line-height: 1;
}

.board-my-progress p,
.board-student-head p,
.board-student-card-body > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.board-student-head h2 {
  margin: 4px 0;
}

.board-student-mission-grid {
  display: grid;
  gap: 12px;
}

.board-check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
}

.board-check-card {
  display: grid;
  grid-template-columns: 22px 44px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.board-check-card input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.board-check-card span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.board-check-card strong {
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.35;
}

.board-check-card em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 950;
}

.board-check-card:has(input:checked) {
  border-color: var(--accent);
  background: var(--active-bg);
}

.board-student-mission-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.board-student-mission-card summary {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 64px;
  gap: 10px;
  align-items: center;
  min-height: 56px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

.board-student-mission-card summary::-webkit-details-marker {
  display: none;
}

.board-student-mission-card summary span {
  display: inline-flex;
  width: 36px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.board-student-mission-card summary strong {
  overflow-wrap: anywhere;
}

.board-student-mission-card summary em {
  justify-self: end;
  color: var(--button-text);
  font-size: 12px;
  font-style: normal;
  font-weight: 950;
}

.board-student-card-body {
  display: grid;
  gap: 14px;
  padding: 0 14px 16px;
}

.board-clue-strip-compact {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

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

.board-student-fields label:nth-child(2) {
  grid-row: span 2;
}

.board-student-fields textarea {
  min-height: 118px;
}

.board-mission-completion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.board-mission-completion-grid article {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.board-mission-completion-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.board-mission-completion-grid strong {
  font-size: 14px;
  line-height: 1.35;
}

.board-mission-completion-grid p {
  margin: 0;
  color: var(--button-text);
  font-weight: 950;
}

.board-mission-completion-grid i {
  display: block;
  overflow: hidden;
  height: 7px;
  border-radius: 999px;
  background: var(--surface-muted);
}

.board-mission-completion-grid u {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

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

.board-clue-strip article {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.board-clue-strip span {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.board-clue-strip strong {
  display: block;
  margin-bottom: 6px;
}

.board-clue-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.board-record-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.board-record-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.board-record-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 108px;
  gap: 10px;
  align-items: center;
}

.board-record-title strong {
  overflow-wrap: anywhere;
}

.mission-step-grid {
  display: grid;
  gap: 18px;
}

.mission-brief {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mission-brief-kicker {
  margin: 0;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 950;
}

.mission-brief h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.18;
}

.mission-brief > p:not(.mission-brief-kicker) {
  max-width: 860px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.mission-brief-list,
.mission-record-body dl {
  display: grid;
  gap: 0;
  margin: 4px 0 0;
  border-top: 1px solid var(--line);
}

.mission-brief-list div,
.mission-record-body dl div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.mission-brief-list dt,
.mission-record-body dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.mission-brief-list dd,
.mission-record-body dd {
  min-width: 0;
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.mission-record-block {
  display: grid;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.mission-record-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.mission-record-head span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-record-head h2 {
  margin: 0;
  font-size: 22px;
}

.mission-record-head a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--button-bg);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
  text-decoration: none;
}

.mission-record-body {
  display: grid;
  gap: 14px;
}

.mission-board-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  min-width: 0;
}

.mission-status-pill,
.mission-status-scope {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
  line-height: 1.35;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.mission-status-scope {
  gap: 6px;
}

.mission-status-scope b {
  color: var(--muted);
  font-size: 11px;
}

.mission-status-scope span {
  color: var(--button-text);
}

.mission-board-status[data-status="ok"] .mission-status-pill {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: color-mix(in srgb, var(--success-text) 36%, var(--line));
}

.mission-board-status[data-status="saving"] .mission-status-pill {
  background: var(--info-bg);
  color: var(--info-text);
  border-color: color-mix(in srgb, var(--info-text) 32%, var(--line));
}

.mission-board-status[data-status="error"] .mission-status-pill {
  background: var(--danger-bg);
  color: var(--danger-text);
  border-color: color-mix(in srgb, var(--danger-text) 32%, var(--line));
}

.mission-record-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mission-record-fields li {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 950;
}

.mission-quick-map {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mission-quick-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.mission-quick-head span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 950;
}

.mission-quick-head strong {
  overflow-wrap: anywhere;
  font-size: 20px;
}

.mission-quick-head em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
}

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

.mission-quick-grid article {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.mission-quick-grid span {
  width: fit-content;
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 12px;
  font-weight: 950;
}

.mission-quick-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.mission-flow-nav {
  position: sticky;
  top: 10px;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.mission-slide-controls {
  display: grid;
  grid-template-columns: minmax(170px, 0.8fr) minmax(0, 1.5fr) auto;
  align-items: center;
}

.mission-slide-status {
  display: grid;
  gap: 4px;
}

.mission-slide-status span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.mission-slide-status strong {
  color: var(--ink);
  font-size: 14px;
}

.mission-slide-buttons,
.mission-slide-nav-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mission-slide-nav-buttons {
  justify-content: flex-end;
}

.mission-slide-nav-buttons button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.mission-slide {
  display: none !important;
  min-height: min(620px, calc(100vh - 170px));
}

.mission-slide.active {
  display: block !important;
}

.mission-brief.mission-slide.active,
.mission-record-block.mission-slide.active,
.mission-next-theory.mission-slide.active {
  display: grid !important;
}

.mission-block,
.mission-board-block,
.mission-record-block,
.mission-brief {
  scroll-margin-top: 82px;
}

.mission-flow-nav button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 13px;
  font-weight: 950;
  font-family: inherit;
  cursor: pointer;
}

.mission-flow-nav button:hover,
.mission-flow-nav button[aria-current] {
  border-color: var(--accent);
  background: var(--active-bg);
  color: var(--accent-dark);
}

.mission-complete-widget {
  gap: 16px;
}

.mission-complete-selectors {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 220px));
  gap: 12px;
}

.mission-complete-selectors label {
  display: grid;
  gap: 6px;
}

.mission-complete-selectors span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.mission-complete-selectors select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 8px 10px;
  font: inherit;
  font-weight: 850;
}

.mission-complete-check {
  display: grid;
  grid-template-columns: 22px 48px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  cursor: pointer;
}

.mission-complete-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.mission-complete-check span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-complete-check strong {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.mission-complete-check em,
[data-mission-board-status] {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 950;
}

.mission-complete-check:has(input:checked) {
  border-color: var(--accent);
  background: var(--active-bg);
}

[data-mission-board-status] {
  width: fit-content;
  margin: 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--surface-muted);
}

[data-mission-board-status][data-status="ok"] {
  background: var(--success-bg);
  color: var(--success-text);
}

[data-mission-board-status][data-status="saving"] {
  background: var(--warning-bg);
  color: var(--warning-text);
}

[data-mission-board-status][data-status="error"] {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.mission-flag-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.mission-flag-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.mission-flag-head {
  display: grid;
  gap: 6px;
}

.mission-flag-head span {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
}

.mission-flag-head strong {
  font-size: 16px;
}

.mission-step-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--surface);
}

.mission-step-3 {
  border-left-color: var(--amber);
}

.mission-step-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.mission-step-head span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 12px;
  font-weight: 900;
}

.mission-step-head strong {
  min-width: 0;
  font-size: 18px;
  overflow-wrap: anywhere;
}

.mission-step-goal {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

.mission-timebox {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.mission-command-list {
  margin: 0;
}

.mission-command-pack {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.mission-command-pack summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 46px;
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
}

.mission-command-pack summary::-webkit-details-marker {
  display: none;
}

.mission-command-pack summary span {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.mission-command-pack summary strong {
  overflow-wrap: anywhere;
}

.mission-command-pack[open] {
  padding-bottom: 12px;
}

.mission-command-pack[open] .mission-command-list {
  padding: 0 12px;
}

.mission-evidence,
.mission-solution {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 8px;
  background: var(--surface);
}

.mission-evidence b,
.mission-solution b {
  color: var(--ink);
}

.mission-template {
  margin: 0;
  padding: 14px;
  border-radius: 8px;
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--code-text);
}

.split-steps {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.split-steps h3 {
  font-size: 18px;
}

.split-steps ol {
  margin: 12px 0 0;
  padding-left: 22px;
}

.split-steps li + li {
  margin-top: 6px;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  align-items: center;
}

.pipeline div {
  padding: 18px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-align: center;
  font-weight: 900;
}

.pipeline span {
  display: none;
}

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

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

.topology-visual {
  position: relative;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 49%, #dfe7f0 49%, #dfe7f0 51%, transparent 51%),
    linear-gradient(0deg, transparent 49%, #dfe7f0 49%, #dfe7f0 51%, transparent 51%),
    #fff;
}

.node {
  position: absolute;
  display: grid;
  place-items: center;
  width: 132px;
  min-height: 54px;
  border: 2px solid var(--accent);
  border-radius: 8px;
  background: #eef6ff;
  color: #123a6f;
  font-weight: 950;
}

.node.internet { left: 6%; top: 38%; }
.node.web { left: 36%; top: 14%; }
.node.host { right: 8%; top: 38%; }
.node.log { left: 36%; bottom: 14%; border-color: var(--green); background: #ecfdf3; color: #0f5b33; }

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

.section-body {
  display: grid;
  gap: 16px;
  padding: 22px 24px 28px;
}

.lesson-block {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.lesson-block h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.lesson-block p {
  margin: 0;
  line-height: 1.65;
}

.instructor-profile {
  border-color: #9db9d8;
  background: #f7fbff;
}

.instructor-profile-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.instructor-profile-header h3 {
  margin-bottom: 6px;
  font-size: 28px;
  line-height: 1.15;
}

.instructor-kicker {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
}

.instructor-profile-header > span {
  flex: 0 0 auto;
  padding: 5px 9px;
  border: 1px solid #c8d3df;
  border-radius: 999px;
  color: #334155;
  background: #ffffff;
  font-size: 12px;
  font-weight: 900;
}

.instructor-role {
  color: #0f3f72;
  font-size: 18px;
  font-weight: 950;
}

.instructor-company {
  margin-top: 4px !important;
  color: #334155;
  font-size: 14px;
  font-weight: 850;
}

.instructor-contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.instructor-contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid #bfd0e2;
  border-radius: 999px;
  background: #ffffff;
  color: #173b69;
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.instructor-contact-chip:hover {
  border-color: #6b9ad0;
  text-decoration: none;
}

.contact-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  color: currentColor;
}

.contact-icon svg {
  display: block;
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.instructor-profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 18px;
  align-items: start;
}

.instructor-cv-main {
  display: grid;
  gap: 14px;
}

.instructor-headline {
  color: #0f3f72;
  font-size: 15px;
  font-weight: 950;
}

.instructor-summary {
  display: grid;
  gap: 6px;
}

.instructor-summary p {
  color: #243449;
  font-weight: 750;
}

.instructor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.instructor-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid #bfd0e2;
  border-radius: 999px;
  background: #ffffff;
  color: #174ea6;
  font-size: 12px;
  font-weight: 950;
}

.instructor-product {
  padding: 12px;
  border: 1px solid #bfd0e2;
  border-radius: 8px;
  background: #ffffff;
  color: #26384d;
  font-size: 13px;
  font-weight: 800;
}

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

.instructor-experience-card {
  display: grid;
  gap: 6px;
  min-height: 128px;
  padding: 13px;
  border: 1px solid #c8d3df;
  border-radius: 8px;
  background: #ffffff;
}

.instructor-experience-card span {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  color: #123a6f;
  background: #e8f2ff;
  font-size: 12px;
  font-weight: 950;
}

.instructor-experience-card strong {
  color: #17202a;
  font-weight: 900;
  line-height: 1.35;
}

.instructor-experience-card p {
  color: #334155;
  font-size: 13px;
  line-height: 1.55;
}

.instructor-experience-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.instructor-experience-keywords em {
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 850;
}

.instructor-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.instructor-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid #bfd0e2;
  border-radius: 8px;
  background: #ffffff;
  font-size: 13px;
}

.link-group {
  display: grid;
  gap: 7px;
}

.link-group + .link-group {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.link-group-title {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
}

.instructor-media {
  display: grid;
  gap: 10px;
}

.instructor-media figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid #c8d3df;
  border-radius: 8px;
  background: #ffffff;
}

.instructor-media img {
  display: block;
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  background: #ffffff;
}

.instructor-media figcaption {
  padding: 8px 10px;
  border-top: 1px solid #d8e3ee;
  color: #334155;
  font-size: 12px;
  font-weight: 850;
}

.survey-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  gap: 18px;
  align-items: center;
  border-color: #9db9d8;
  background: #f8fbff;
}

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

.survey-copy > span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.survey-copy h3 {
  margin-bottom: 0;
  font-size: 22px;
}

.survey-copy p {
  color: #334155;
  font-weight: 800;
}

.survey-link {
  width: fit-content;
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 950;
}

.survey-link:hover {
  text-decoration: none;
}

.survey-qr {
  margin: 0;
  overflow: hidden;
  border: 1px solid #c8d3df;
  border-radius: 8px;
  background: #ffffff;
}

.survey-qr img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #ffffff;
}

.survey-qr figcaption {
  padding: 8px;
  border-top: 1px solid #d8e3ee;
  color: #334155;
  font-size: 12px;
  font-weight: 850;
  text-align: center;
}

.talk-list {
  display: grid;
  gap: 10px;
}

.talk-list p {
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

.flow-table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.flow-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.flow-row:last-child {
  border-bottom: 0;
}

.flow-row span,
.flow-row strong {
  padding: 11px 12px;
}

.flow-row span {
  background: var(--surface-soft);
  color: #334155;
  font-weight: 900;
}

.flow-row strong {
  font-weight: 750;
}

.lab-steps,
.pattern-list {
  margin: 0;
  padding-left: 22px;
}

.lab-steps li + li,
.pattern-list li + li,
.close-block li + li {
  margin-top: 8px;
}

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

.procedure-command-list {
  display: grid;
  gap: 14px;
}

.procedure-command-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.procedure-command-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.procedure-command-head span {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.procedure-command-head strong {
  min-width: 0;
  color: var(--ink);
  font-size: 15px;
  overflow-wrap: anywhere;
}

.procedure-command-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.command-item {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
}

.command-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.terminal-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border: 1px solid #1f2937;
  border-radius: 999px;
  color: #ffffff;
  background: #1f2937;
  font-size: 12px;
  font-weight: 950;
  line-height: 1.2;
}

.surface-badge-kali {
  border-color: #166534;
  background: #166534;
}

.surface-badge-windows {
  border-color: #1d4ed8;
  background: #1d4ed8;
}

.surface-badge-local {
  border-color: #be123c;
  background: #be123c;
}

.surface-badge-macos {
  border-color: #475569;
  background: #475569;
}

.surface-badge-oracle {
  border-color: #9a3412;
  background: #9a3412;
}

.surface-badge-browser {
  border-color: #0f766e;
  background: #0f766e;
}

.command-surface-kali {
  border-left: 5px solid #166534;
}

.command-surface-windows {
  border-left: 5px solid #1d4ed8;
}

.command-surface-local {
  border-left: 5px solid #be123c;
}

.command-surface-macos {
  border-left: 5px solid #475569;
}

.command-surface-oracle {
  border-left: 5px solid #9a3412;
}

.command-surface-browser {
  border-left: 5px solid #0f766e;
}

.command-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 76px;
  gap: 8px;
  align-items: stretch;
}

.command-code-row pre {
  min-width: 0;
  margin: 0;
  overflow-x: auto;
  padding: 12px;
  border-radius: 6px;
  background: #101827;
  color: #f8fafc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.copy-button {
  min-height: 44px;
  border: 1px solid #93a4b8;
  border-radius: 6px;
  background: #ffffff;
  color: #17202a;
  font-size: 12px;
  font-weight: 950;
  cursor: pointer;
}

.copy-button:hover,
.copy-button.copied {
  border-color: var(--accent);
  background: #eaf3ff;
  color: var(--accent-dark);
}

.copy-button.copy-failed {
  border-color: #d97706;
  background: #fff7ed;
  color: #9a3412;
}

.command-note,
.command-result {
  margin: 0;
  color: #26384d;
  font-size: 13px;
  line-height: 1.55;
}

.command-result {
  color: #14532d;
}

.command-note strong,
.command-result strong {
  margin-right: 6px;
}

.copy-line {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #bfccd9;
  border-radius: 6px;
  background: #17202a;
  color: #f8fafc;
  text-align: left;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  cursor: pointer;
  white-space: normal;
  word-break: break-word;
}

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

.download-row a,
.link-stack a {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.right-rail {
  display: grid;
  gap: 14px;
  align-self: start;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.rail-section {
  padding: 16px;
}

.rail-section h2 {
  margin-bottom: 12px;
  font-size: 16px;
}

.deliverable-list {
  display: grid;
  gap: 8px;
}

.deliverable-list div {
  padding: 10px;
  border-left: 3px solid var(--green);
  background: #f0fdf4;
  color: #14532d;
  font-size: 13px;
  font-weight: 800;
}

.check-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid #eef2f6;
  font-size: 13px;
  font-weight: 750;
}

.check-row:last-child {
  border-bottom: 0;
}

.check-row input {
  margin-top: 2px;
}

.link-stack {
  display: grid;
  gap: 8px;
}

.lecture-link-groups {
  display: grid;
  gap: 14px;
}

.lecture-link-group {
  display: grid;
  gap: 8px;
}

.lecture-link-group h3 {
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 950;
}

.scope-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.empty-state {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--surface);
}

.content-panel,
.rail-section,
.lesson-block,
.detail-rail section,
.detail-summary,
.detail-module,
.setup-step-status,
.setup-step-buttons,
.walkthrough-mini-block,
.instructor-experience-card,
.survey-block,
.instructor-media figure,
.survey-qr,
.question-card,
.empty-state {
  background: var(--surface);
  color: var(--ink);
}

.download-row a,
.link-stack a,
.toc-list a,
.toc-list button,
.mobile-toc-list button,
.walkthrough-card,
.transition-block,
.context-block,
.prompt-block,
.expected-block,
.pitfall-block,
.pattern-block {
  background: var(--surface-muted);
  color: var(--button-text);
}

.toc-list button.active,
.mobile-toc-list button.active,
.copy-button.copied,
.course-top-nav a[aria-current="page"] {
  background: var(--active-bg);
  color: var(--accent-dark);
}

.detail-summary p,
.setup-step-carousel-head p,
.walkthrough-description,
.walkthrough-mini-block ul,
.command-note,
.question-card p,
.instructor-summary p,
.instructor-product,
.instructor-experience-card p,
.instructor-company,
.instructor-media figcaption,
.survey-copy p,
.survey-qr figcaption {
  color: var(--muted);
}

.command-item,
.walkthrough-image,
.walkthrough-image figcaption,
.instructor-profile,
.survey-block {
  background: var(--surface-raised);
  color: var(--ink);
}

.command-code-row pre,
.copy-line {
  background: var(--code-bg);
  color: var(--code-text);
}

.deliverable-list div,
.node.log {
  background: var(--success-bg);
  color: var(--success-text);
}

.node,
.instructor-experience-card span {
  background: var(--info-bg);
  color: var(--info-text);
}

.copy-button.copy-failed,
.pitfall-block {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.instructor-profile-header > span,
.instructor-links a {
  background: var(--surface-raised);
  color: var(--ink);
}

@media (max-width: 1160px) {
  .workspace {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .right-rail {
    grid-column: 1 / -1;
    position: static;
    max-height: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .topbar,
  .workspace {
    grid-template-columns: 1fr;
  }

  .topbar {
    padding: 22px 18px;
  }

  .course-top-nav,
  .course-child-nav,
  .quick-path {
    padding: 10px 18px;
  }

  .workspace {
    padding: 16px;
  }

  .sidebar,
  .right-rail {
    position: static;
    max-height: none;
  }

  .content-panel {
    order: 1;
  }

  .right-rail {
    order: 2;
  }

  .sidebar {
    order: 3;
  }

  .right-rail,
  .split-steps,
  .pipeline,
  .instructor-profile-grid,
  .instructor-experience,
  .survey-block {
    grid-template-columns: 1fr;
  }

  .instructor-profile-header {
    display: grid;
  }

  .instructor-profile-header > span {
    justify-self: start;
  }

  .journey-map,
  .template-card,
  .timeline-visual,
  .ops-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    display: block;
  }

  .print-button {
    margin-top: 12px;
  }

  .flow-row {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .command-code-row {
    grid-template-columns: 1fr;
  }

  .command-explain dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .copy-button {
    min-height: 44px;
  }
}

@media print {
  .sidebar,
  .right-rail,
  .course-top-nav,
  .quick-path,
  .print-button {
    display: none;
  }

  .topbar,
  .workspace {
    display: block;
    padding: 0;
  }

  .content-panel {
    box-shadow: none;
    border: 0;
  }
}

.detail-shell {
  min-height: 100vh;
}

.detail-header {
  padding: 30px 36px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.detail-header h1 {
  max-width: 1080px;
  font-size: 34px;
}

.detail-subtitle {
  max-width: 980px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.detail-page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.detail-page-nav a,
.mobile-toc-list a,
.mobile-toc-list button {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.mobile-toc-list {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.mobile-toc-list a,
.mobile-toc-list button {
  flex: 1 1 180px;
  min-width: 0;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
  white-space: normal;
}

.mobile-toc-list button,
.toc-list button {
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.detail-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
  padding: 24px 28px 40px;
}

.detail-rail {
  min-width: 0;
  position: sticky;
  top: 16px;
  align-self: start;
  display: grid;
  gap: 14px;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.detail-rail section,
.detail-summary,
.detail-module {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.detail-rail section {
  padding: 16px;
}

.detail-rail li {
  overflow-wrap: anywhere;
}

.detail-rail h2 {
  margin-bottom: 12px;
  font-size: 16px;
}

.toc-list {
  display: grid;
  gap: 8px;
}

.toc-list a,
.toc-list button {
  display: block;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-left: 3px solid var(--accent);
  background: #f8fafc;
  color: #243449;
  font-size: 13px;
  font-weight: 800;
}

.toc-list .toc-mission-link,
.mobile-toc-list .toc-mission-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  border-left-color: var(--line);
  background: var(--surface);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 850;
  line-height: 1.35;
}

.toc-list .toc-mission-link {
  margin-left: 12px;
  width: calc(100% - 12px);
  padding: 8px 9px;
}

.mobile-toc-list .toc-mission-link {
  flex-basis: 170px;
}

.toc-list .toc-mission-link span,
.mobile-toc-list .toc-mission-link span {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  justify-content: center;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--active-bg);
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 950;
}

.toc-list .toc-mission-link b,
.mobile-toc-list .toc-mission-link b {
  min-width: 0;
  color: inherit;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.toc-list .toc-mission-link:hover,
.mobile-toc-list .toc-mission-link:hover {
  border-left-color: var(--accent);
  background: var(--active-bg);
  color: var(--accent-dark);
}

.toc-list button.active,
.mobile-toc-list button.active {
  border-color: var(--accent);
  background: #e8f2ff;
  color: var(--accent-dark);
}

.detail-main {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.detail-summary {
  display: grid;
  gap: 10px;
  padding: 20px;
  border-left: 4px solid var(--accent);
}

.detail-summary p {
  margin: 0;
  color: #243449;
  line-height: 1.7;
}

.detail-flow-action {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid #9dc4ef;
  border-radius: 10px;
  background: #eef7ff;
}

.detail-flow-action div {
  min-width: 0;
}

.detail-flow-action span {
  display: inline-flex;
  margin-bottom: 6px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.detail-flow-action h3 {
  margin: 0;
  color: #123a6f;
  font-size: 18px;
}

.detail-flow-action p {
  margin: 6px 0 0;
  color: #334155;
  line-height: 1.55;
}

.detail-flow-action a {
  flex: 0 0 auto;
  padding: 10px 13px;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 950;
  text-decoration: none;
}

.presentation-page .detail-summary {
  display: none;
}

.presentation-page .detail-layout {
  gap: 18px;
  padding-top: 18px;
}

.presentation-page .detail-header {
  padding-bottom: 20px;
}

#detailSections {
  display: grid;
  gap: 18px;
}

.presentation-controls {
  position: sticky;
  top: 12px;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(240px, 1.5fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.presentation-status {
  display: grid;
  gap: 5px;
}

.presentation-status span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.presentation-status strong {
  color: var(--ink);
  font-size: 15px;
}

.presentation-step-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.presentation-step-buttons button,
.presentation-nav-buttons button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
  color: #243449;
  cursor: pointer;
  font-family: inherit;
  font-weight: 950;
}

.presentation-step-buttons button {
  width: 42px;
}

.presentation-step-buttons button.active,
.presentation-nav-buttons button:not(:disabled):hover {
  border-color: var(--accent);
  background: #e8f2ff;
  color: var(--accent-dark);
}

.presentation-nav-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.presentation-nav-buttons button {
  padding: 0 14px;
}

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

.presentation-slide {
  display: none;
  min-height: min(680px, calc(100vh - 150px));
  scroll-margin-top: 104px;
}

.presentation-slide.active {
  display: block;
}

.presentation-slide .lecture-points p {
  font-size: 17px;
}

.presentation-slide .detail-subblock {
  padding-top: 12px;
}

.presentation-slide .context-block,
.presentation-slide .prompt-block,
.presentation-slide .expected-block,
.presentation-slide .pitfall-block,
.presentation-slide .pattern-block,
.presentation-slide .transition-block {
  margin-top: 10px;
}

.presentation-slide .command-item {
  padding: 10px 12px;
}

.presentation-slide .command-note,
.presentation-slide .command-result {
  font-size: 12px;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  place-items: center;
  padding: 28px;
  background: rgba(8, 17, 28, 0.78);
}

.image-modal.active {
  display: grid;
}

.image-modal-panel {
  position: relative;
  display: grid;
  gap: 12px;
  width: min(1180px, 96vw);
  max-height: 92vh;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.image-modal-img {
  display: block;
  max-width: 100%;
  max-height: calc(92vh - 104px);
  margin: 0 auto;
  object-fit: contain;
  background: #f8fafc;
}

.image-modal-caption {
  margin: 0;
  color: #243449;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
}

.image-modal-close {
  justify-self: end;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
  color: #243449;
  cursor: pointer;
  font-family: inherit;
  font-weight: 950;
}

.image-modal-close:hover,
.image-modal-close:focus {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.day-plan {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.day-plan-head {
  display: grid;
  gap: 6px;
}

.day-plan-head p:last-child {
  margin: 0;
  color: #334155;
  line-height: 1.6;
}

.day-plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.day-plan-slot {
  display: grid;
  gap: 6px;
  min-height: 118px;
  padding: 14px;
  border: 1px solid #b8c5d4;
  border-radius: 8px;
  background: #f8fafc;
}

.day-plan-slot span {
  color: #0f4f69;
  font-size: 12px;
  font-weight: 950;
}

.day-plan-slot strong {
  color: #17202a;
  font-size: 15px;
  line-height: 1.4;
}

.day-plan-slot p {
  margin: 0;
  color: #334155;
  font-size: 13px;
  line-height: 1.5;
}

.day-plan-slot.plan-lab {
  border-left: 5px solid #166534;
  background: #f0fdf4;
}

.day-plan-slot.plan-break {
  min-height: 72px;
  border-style: dashed;
  background: #fff7ed;
}

.detail-module {
  overflow: hidden;
}

.module-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.module-index span {
  color: #334155;
  font-size: 12px;
  font-weight: 900;
}

.theory-block {
  border-left-color: #0f766e;
  background: #f0fdfa;
}

.interview-block {
  border-left-color: #7c2d12;
  background: #fff7ed;
}

.section-action-block {
  border-left: 4px solid var(--accent);
  background: #f7fbff;
}

.section-action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.section-action-card {
  display: grid;
  gap: 6px;
  padding: 13px;
  border: 1px solid #bfd0e2;
  border-radius: 8px;
  background: #ffffff;
  color: #173b69;
  text-decoration: none;
}

.section-action-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.section-action-card span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.section-action-card strong {
  color: #17202a;
  line-height: 1.35;
}

.section-action-card em {
  color: #334155;
  font-size: 13px;
  font-style: normal;
  line-height: 1.45;
}

.section-action-card small {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.section-action-card small b {
  color: var(--accent-dark);
  font-weight: 950;
}

.install-matrix,
.day-install-guide {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.install-matrix-head {
  display: grid;
  gap: 6px;
}

.install-matrix-head p:last-child {
  margin: 0;
  color: #334155;
  line-height: 1.6;
}

.install-card-grid {
  display: grid;
  gap: 12px;
}

.install-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.install-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.install-card-title span {
  display: inline-flex;
  min-width: 58px;
  justify-content: center;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.install-card-title strong {
  font-size: 16px;
}

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

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

.install-columns div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.install-columns h3 {
  margin: 0 0 8px;
  font-size: 13px;
}

.install-columns ul {
  margin: 0;
  padding-left: 18px;
  color: #334155;
  line-height: 1.55;
}

.install-card .detail-subblock {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.install-card .step-list li {
  background: #ffffff;
}

.install-command-list {
  display: grid;
  gap: 12px;
}

.setup-selector {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.setup-selector-title {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.setup-choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.setup-choice {
  position: relative;
  min-height: 84px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.setup-choice strong,
.setup-choice span {
  display: block;
}

.setup-choice strong {
  margin-bottom: 6px;
  font-size: 15px;
}

.setup-choice span {
  color: var(--muted);
  line-height: 1.45;
}

.setup-choice.active {
  border-color: var(--accent);
  background: #eef6ff;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.setup-selected {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-size: 11px;
  font-style: normal;
  font-weight: 950;
}

.jump-to-lab {
  display: inline-flex;
  margin-top: 14px;
  padding: 10px 13px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: #eef6ff;
  color: var(--accent-dark);
  font-weight: 950;
}

.module-topline {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.detail-module h2 {
  padding: 18px 18px 0;
  font-size: 24px;
  line-height: 1.3;
}

.lecture-points {
  display: grid;
  gap: 10px;
  padding: 16px 18px 0;
}

.lecture-points p {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--green);
  line-height: 1.65;
}

.detail-subblock {
  padding: 16px 18px 0;
}

.detail-subblock:last-child {
  padding-bottom: 18px;
}

.detail-subblock h3,
.compare-grid h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.detail-subblock ul,
.compare-grid ul {
  margin: 0;
  padding-left: 22px;
}

.detail-subblock li + li,
.compare-grid li + li {
  margin-top: 7px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  padding: 16px 18px 0;
}

.compare-grid article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.feature-panel-block {
  padding-top: 16px;
}

.feature-panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.feature-panel-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 100%;
  padding: 16px;
  border: 1px solid #b8c7dc;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.feature-panel-card span {
  width: fit-content;
  padding: 4px 9px;
  border-radius: 999px;
  background: #0f766e;
  color: #ffffff;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
}

.feature-panel-card h4 {
  margin: 0;
  color: #101827;
  font-size: 18px;
  line-height: 1.35;
}

.feature-panel-card p {
  margin: 0;
  color: #334155;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.55;
}

.feature-panel-card ul {
  margin: 0;
  padding-left: 18px;
}

.feature-panel-card li {
  color: #1f2937;
  font-size: 14px;
  line-height: 1.55;
}

.feature-panel-card li + li {
  margin-top: 5px;
}

.feature-panel-result {
  display: block;
  margin-top: 2px;
  padding: 9px 10px;
  border-radius: 8px;
  background: #eef6ff;
  color: #0f3b66;
  font-size: 13px;
  line-height: 1.45;
}

.feature-panel-card[data-variant="warning"] {
  border-color: #f0c78d;
  background: #fffaf0;
}

.feature-panel-card[data-variant="warning"] span {
  background: #b45309;
}

.feature-panel-card[data-variant="warning"] .feature-panel-result {
  background: #fff1d6;
  color: #7c2d12;
}

.feature-panel-card[data-variant="result"] {
  border-color: #9ec7b7;
  background: #f5fffb;
}

.feature-panel-card[data-variant="result"] span {
  background: #047857;
}

.feature-panel-card[data-variant="result"] .feature-panel-result {
  background: #e7fbf2;
  color: #065f46;
}

.tool-link-list {
  display: grid;
  gap: 12px;
}

.tool-guide-card {
  border: 1px solid #c9ddf5;
  border-radius: 8px;
  background: #f4f9ff;
  color: var(--text);
  overflow: hidden;
}

.tool-guide-card summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.tool-guide-card summary::-webkit-details-marker {
  display: none;
}

.tool-guide-card summary::after {
  content: "+";
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid #bdd4ef;
  border-radius: 999px;
  background: #ffffff;
  color: var(--accent-dark);
  font-weight: 950;
}

.tool-guide-card[open] summary::after {
  content: "-";
}

.tool-guide-card summary span {
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: #dbeafe;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.tool-guide-card summary strong {
  font-size: 15px;
  line-height: 1.35;
}

.tool-guide-card summary em {
  grid-column: 1 / -1;
  font-style: normal;
}

.tool-guide-body {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
}

.tool-guide-body p,
.tool-guide-card em {
  margin: 0;
  color: #334155;
  line-height: 1.5;
}

.tool-guide-mini-block {
  margin: 0;
  padding: 12px;
  border: 1px solid #d7e5f7;
  border-radius: 8px;
  background: #ffffff;
}

.tool-guide-mini-block h3,
.tool-guide-example h4 {
  margin: 0 0 8px;
  color: #123225;
  font-size: 13px;
}

.tool-guide-mini-block ul {
  margin: 0;
  padding-left: 18px;
}

.tool-guide-mini-block li {
  margin: 4px 0;
  color: #334155;
}

.tool-guide-example {
  padding: 8px 10px;
  border: 1px solid #d7e5f7;
  border-radius: 6px;
  background: #ffffff;
}

.tool-guide-example code {
  display: block;
  color: #123225;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.tool-guide-doc-link {
  width: fit-content;
  padding: 9px 12px;
  border: 1px solid #9bbfe9;
  border-radius: 8px;
  background: #ffffff;
  color: var(--accent-dark);
  font-weight: 900;
}

.scan-diagram-grid {
  display: grid;
  gap: 14px;
}

.scan-diagram-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.scan-diagram-title {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.scan-diagram-title span {
  min-width: 56px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--text);
  color: #ffffff;
  font-size: 12px;
  font-weight: 950;
  text-align: center;
}

.scan-diagram-title strong {
  font-size: 16px;
}

.scan-diagram-flow {
  display: grid;
  grid-template-columns: minmax(120px, 0.75fr) minmax(220px, 1.5fr) minmax(120px, 0.75fr);
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #d6e2ef;
  border-radius: 8px;
  background: #ffffff;
}

.scan-endpoint {
  display: grid;
  gap: 5px;
  justify-items: center;
  min-height: 96px;
  padding: 14px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
  text-align: center;
}

.scan-endpoint span {
  color: #64748b;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scan-endpoint strong {
  color: #0f172a;
  font-size: 14px;
  line-height: 1.35;
}

.scan-endpoint.client {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.scan-endpoint.server {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.scan-arrows {
  display: grid;
  gap: 8px;
}

.scan-arrow-row {
  position: relative;
  display: flex;
  justify-content: center;
  min-height: 34px;
  padding: 7px 40px;
  border-radius: 999px;
  background: #e7f0fb;
  color: #172033;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.35;
  text-align: center;
}

.scan-arrow-row::before,
.scan-arrow-row::after {
  position: absolute;
  top: 50%;
  content: "";
  transform: translateY(-50%);
}

.scan-arrow-row::before {
  left: 12px;
  right: 22px;
  height: 2px;
  background: #2563eb;
}

.scan-arrow-row::after {
  right: 10px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid #2563eb;
}

.scan-arrow-row.reverse::before {
  left: 22px;
  right: 12px;
  background: #16a34a;
}

.scan-arrow-row.reverse::after {
  right: auto;
  left: 10px;
  border-right: 9px solid #16a34a;
  border-left: 0;
}

.scan-arrow-row span {
  position: relative;
  z-index: 1;
  padding: 0 8px;
  border-radius: 999px;
  background: #e7f0fb;
}

.scan-arrow-row.reverse span {
  background: #edf8f1;
}

.scan-arrow-row.reverse {
  background: #edf8f1;
}

.scan-arrow-row.muted {
  background: #f1f5f9;
  color: #64748b;
}

.scan-arrow-row.muted::before {
  background: #94a3b8;
}

.scan-arrow-row.muted::after {
  border-right-color: #94a3b8;
  border-left-color: #94a3b8;
}

.scan-diagram-card > p {
  margin: 0;
  color: #334155;
  line-height: 1.55;
}

.terminal-example-grid {
  display: grid;
  gap: 14px;
}

.terminal-example-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.terminal-example-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.terminal-example-head span {
  padding: 5px 9px;
  border-radius: 999px;
  background: #0f172a;
  color: #ffffff;
  font-size: 12px;
  font-weight: 950;
}

.terminal-example-head strong {
  font-size: 16px;
}

.terminal-window {
  overflow: hidden;
  border: 1px solid #0f172a;
  border-radius: 8px;
  background: #07111f;
  color: #d7f7e4;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.18);
}

.terminal-window-bar {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 9px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: #111827;
}

.terminal-window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #ef4444;
}

.terminal-window-bar span:nth-child(2) {
  background: #f59e0b;
}

.terminal-window-bar span:nth-child(3) {
  background: #22c55e;
}

.terminal-window-bar strong {
  margin-left: 6px;
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 850;
}

.terminal-window pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  white-space: pre-wrap;
}

.terminal-window code {
  color: #d7f7e4;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  line-height: 1.58;
}

.terminal-prompt {
  color: #7dd3fc;
  font-weight: 950;
}

.terminal-analysis {
  padding: 12px;
  border: 1px solid #c9ddf5;
  border-radius: 8px;
  background: #ffffff;
}

.terminal-analysis h4 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 950;
}

.terminal-analysis ul {
  margin: 0;
  padding-left: 18px;
  color: #26384d;
  line-height: 1.55;
}

.terminal-analysis li + li {
  margin-top: 6px;
}

.student-output-block {
  display: grid;
  gap: 12px;
}

.student-output-description {
  margin: 0;
  color: #334155;
  line-height: 1.65;
}

.student-output-files {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.student-output-files article {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid #c9ddf5;
  border-radius: 8px;
  background: #ffffff;
}

.student-output-files span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.student-output-files code {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  background: #0f172a;
  color: #d7f7e4;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.student-output-files p {
  margin: 0;
  color: #334155;
  line-height: 1.5;
}

.student-output-summary {
  padding: 12px;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  background: #f0fdf4;
}

.student-output-summary h4 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 950;
}

.student-output-summary ul {
  margin: 0;
  padding-left: 18px;
  color: #17352b;
  line-height: 1.55;
}

.data-table-note {
  margin: -2px 0 12px;
  color: #475569;
  line-height: 1.6;
}

.data-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.55;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: #0f172a;
  text-align: left;
}

.data-table th {
  background: #e8f3ee;
  color: #102018;
  font-weight: 900;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:nth-child(even) td {
  background: #f8fafc;
}

.data-table td:first-child {
  font-weight: 900;
  color: #123225;
}

.numbered-list {
  list-style: decimal;
}

.step-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.step-list span {
  display: inline-flex;
  justify-content: center;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.step-list p {
  margin: 0;
  line-height: 1.55;
}

.walkthrough-block {
  padding-top: 18px;
}

.setup-step-carousel {
  display: grid;
  gap: 14px;
}

.setup-step-carousel-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, auto);
  gap: 14px;
  align-items: end;
}

.setup-step-carousel-head h3 {
  margin-bottom: 4px;
}

.setup-step-carousel-head p {
  margin: 0;
  color: #475569;
  line-height: 1.55;
}

.setup-step-status {
  display: grid;
  gap: 5px;
  justify-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.setup-step-status span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.setup-step-status strong {
  color: var(--ink);
  font-size: 14px;
  text-align: right;
}

.setup-step-buttons {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.setup-step-nav {
  justify-content: space-between;
}

.setup-card-list {
  min-height: 620px;
}

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

.walkthrough-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: stretch;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.walkthrough-image {
  display: grid;
  align-content: start;
  margin: 0;
  overflow: hidden;
  border: 1px solid #b8c5d4;
  border-radius: 8px;
  background: #ffffff;
}

.walkthrough-image img {
  display: block;
  width: 100%;
  height: auto;
  background: #f5f7fa;
}

.walkthrough-image figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: #26384d;
  background: #ffffff;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.5;
}

.walkthrough-body {
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
}

.walkthrough-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.walkthrough-heading span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--text);
  color: #ffffff;
  font-size: 12px;
  font-weight: 950;
  white-space: nowrap;
}

.walkthrough-heading strong {
  min-width: 0;
  font-size: 18px;
  line-height: 1.35;
}

.walkthrough-description {
  margin: 0;
  color: #334155;
  line-height: 1.65;
}

.walkthrough-mini-block {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.walkthrough-mini-block h4 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 950;
}

.walkthrough-mini-block ul {
  margin: 0;
  padding-left: 18px;
  color: #26384d;
  line-height: 1.55;
}

.walkthrough-mini-block li + li {
  margin-top: 6px;
}

.walkthrough-mini-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.walkthrough-mini-links a {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.walkthrough-command-block {
  padding: 0;
  border: 0;
  background: transparent;
}

.walkthrough-command-block h4 {
  margin-bottom: 8px;
}

.walkthrough-command-list {
  display: grid;
  gap: 10px;
}

.evidence-list li::marker,
.check-list li::marker {
  color: var(--accent);
}

.context-block,
.prompt-block,
.expected-block,
.pitfall-block,
.pattern-block,
.transition-block {
  margin: 12px 18px 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.prompt-block {
  border-left: 4px solid var(--accent);
}

.question-block h3 {
  color: var(--accent-dark);
  letter-spacing: 0.02em;
}

.question-list {
  display: grid;
  gap: 10px;
}

.question-card {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid #c9ddf5;
  border-radius: 8px;
  background: #f3f8ff;
}

.question-card span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 950;
}

.question-card p {
  margin: 0;
  color: #17202a;
  font-weight: 750;
  line-height: 1.55;
}

.expected-block {
  border-left: 4px solid var(--green);
}

.pitfall-block {
  border-left: 4px solid #d97706;
}

.pattern-block {
  border-left: 4px solid #475569;
}

.transition-block {
  background: #f8fafc;
}

.lab-day {
  max-width: 980px;
  margin: 10px 0 0;
  color: #0f4f69;
  font-size: 14px;
  font-weight: 900;
}

.lab-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
  padding: 24px 28px 40px;
}

.lab-step-card {
  display: grid;
  gap: 14px;
  overflow: hidden;
  padding: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.lab-step-card .module-topline,
.lab-step-card h2,
.lab-step-card .lab-theory,
.lab-step-card > .detail-subblock,
.lab-step-grid {
  margin-left: 18px;
  margin-right: 18px;
}

.lab-step-card .module-topline {
  margin-top: 18px;
}

.lab-step-card h2 {
  font-size: 24px;
  line-height: 1.3;
}

.lab-theory {
  margin-top: 0;
  padding: 14px;
  border-left: 4px solid #0f766e;
  border-radius: 8px;
  background: #f0fdfa;
  color: #243449;
  line-height: 1.7;
}

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

.lab-step-card .detail-subblock {
  box-shadow: none;
}

@media (max-width: 900px) {
  .detail-header {
    padding: 24px 18px 20px;
  }

  .detail-header h1 {
    font-size: 28px;
  }

  .mobile-toc-list {
    display: flex;
  }

  .detail-layout {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .lab-layout {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .detail-main {
    order: 1;
  }

  .detail-rail {
    position: static;
    order: 2;
    max-height: none;
  }

  .compare-grid,
  .install-columns,
  .lab-step-grid,
  .walkthrough-card,
  .setup-choice-grid,
  .scan-diagram-flow,
  .presentation-controls,
  .mission-quick-grid,
  .mission-quick-head,
  .mission-brief-list div,
  .mission-cve-card dl div,
  .mission-record-body dl div,
  .mission-record-head {
    grid-template-columns: 1fr;
  }

  .mission-flow-nav {
    position: static;
  }

  .mission-slide-controls {
    grid-template-columns: 1fr;
  }

  .mission-slide-nav-buttons button {
    flex: 1;
  }

  .mission-complete-selectors,
  .mission-complete-check {
    grid-template-columns: 1fr;
  }

  .mission-complete-check em {
    justify-self: start;
  }

  .shared-board-block {
    grid-template-columns: 1fr;
  }

  .mission-artifact-grid {
    grid-template-columns: 1fr;
  }

  .mission-cve-card dl div {
    gap: 3px;
  }

  .board-layout {
    padding: 16px;
  }

  .board-guide-panel {
    grid-template-columns: 1fr;
  }

  .board-structure-panel {
    grid-template-columns: 1fr;
  }

  .board-runtime-panel,
  .board-mission-head,
  .board-progress-head,
  .board-summary-grid,
  .board-roster-grid,
  .board-clue-strip,
  .board-identity-grid,
  .board-my-progress,
  .board-student-fields,
  .board-check-grid {
    grid-template-columns: 1fr;
  }

  .board-check-card {
    grid-template-columns: 22px 42px minmax(0, 1fr);
  }

  .board-check-card em {
    grid-column: 3;
  }

  .board-progress-bar,
  .board-mission-select {
    min-width: 0;
    width: 100%;
  }

  .shared-board-actions {
    justify-content: flex-start;
  }

  .mission-next-theory {
    flex-direction: column;
    align-items: stretch;
  }

  .mission-next-theory a {
    text-align: center;
  }

  .board-action-row {
    justify-content: flex-start;
  }

  .scan-arrow-row,
  .scan-arrow-row.reverse {
    border-radius: 8px;
  }

  .presentation-nav-buttons {
    justify-content: stretch;
  }

  .presentation-nav-buttons button {
    flex: 1;
  }

  .command-code-row {
    grid-template-columns: 1fr;
  }

  .copy-button {
    min-height: 44px;
  }

}

@media (max-width: 1100px) {
  .mission-chain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .journey-map,
  .learning-path-grid,
  .mission-chain-grid,
  .mission-board-block,
  .template-card,
  .timeline-visual,
  .ops-board {
    grid-template-columns: 1fr;
  }

  .learning-path-meta {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .context-block,
  .prompt-block,
  .expected-block,
  .pitfall-block,
  .pattern-block,
  .transition-block {
    margin-left: 14px;
    margin-right: 14px;
  }
}

.section-head,
.visual-stage,
.journey-map > div,
.learning-path-card,
.mission-chain-card,
.template-card > div,
.timeline-visual > div,
.ops-board > div,
.mission-artifact-fields span,
.mission-cve-card,
.detail-header,
.detail-rail section,
.detail-summary,
.detail-flow-action,
.detail-module,
.presentation-controls,
.day-plan,
.install-matrix,
.day-install-guide,
.setup-selector,
.image-modal-panel,
.lab-step-card,
.instructor-experience-card,
.survey-block,
.survey-qr,
.mission-brief,
.mission-record-block,
.mission-quick-map,
.mission-command-pack,
.board-check-card,
.board-student-mission-card,
.board-mission-completion-grid article {
  background: var(--surface);
  color: var(--ink);
}

.back-link,
.detail-page-nav a,
.mobile-toc-list a,
.mobile-toc-list button,
.toc-list a,
.toc-list button,
.presentation-step-buttons button,
.presentation-nav-buttons button,
.day-plan-slot,
.install-card,
.install-columns div,
.install-card .step-list li,
.setup-choice,
.compare-grid article,
.tool-guide-mini-block,
.tool-guide-example,
.tool-guide-doc-link,
.section-action-card,
.scan-diagram-card,
.scan-diagram-flow,
.scan-endpoint,
.terminal-example-card,
.copy-button,
.instructor-tags span,
.instructor-product,
.instructor-contact-chip,
.learning-path-links a,
.mission-board-links a,
.mission-sheet-links a,
.mission-record-head a,
.mission-record-fields li,
.mission-cve-links a,
.mission-status-pill,
.mission-status-scope,
.command-explain,
.shared-board-block li,
.mission-artifact-card,
.mission-response-card,
.mission-step-response,
.mission-next-use,
.mission-quick-grid article,
.mission-flow-nav,
.mission-flow-nav button,
.board-structure-panel article,
.board-progress-group,
.board-clue-strip article,
.board-my-progress,
.survey-qr figcaption {
  background: var(--surface-muted);
  color: var(--button-text);
}

.toc-list button.active,
.mobile-toc-list button.active,
.presentation-step-buttons button.active,
.presentation-nav-buttons button:not(:disabled):hover,
.setup-choice.active {
  background: var(--active-bg);
  color: var(--accent-dark);
}

.day-plan-head p:last-child,
.day-plan-slot p,
.module-index span,
.install-matrix-head p:last-child,
.install-columns ul,
.tool-guide-body p,
.tool-guide-card em,
.tool-guide-mini-block li,
.scan-diagram-card > p,
.image-modal-caption {
  color: var(--muted);
}

.link-group-title {
  color: var(--muted);
}

.instructor-summary p,
.instructor-product,
.instructor-experience-card p,
.survey-copy p,
.mission-board-card span,
.mission-board-card p,
.mission-board-card li,
.mission-artifact-card p,
.mission-cve-card p,
.mission-response-card p,
.mission-next-use p,
.mission-quick-head em,
.mission-quick-grid p,
.mission-sheet-links p,
.mission-status-scope b,
.command-explain dd,
.shared-board-block p,
.board-structure-panel p,
.board-runtime-panel p,
.board-progress-head p,
.board-mission-head p,
.board-progress-list span,
.board-clue-strip p,
.board-roster-list span,
.board-record-card label span,
.board-mission-select span,
.board-identity-grid label span,
.board-student-fields label span,
.board-student-head span,
.board-student-head p,
.board-student-card-body > p,
.board-my-progress span,
.board-my-progress p,
.board-mission-completion-grid span,
.board-check-card em,
.survey-qr figcaption {
  color: var(--muted);
}

.lab-theory,
.theory-block,
.tool-guide-card,
.section-action-block,
.setup-choice.active,
.jump-to-lab,
.scan-endpoint.client {
  background: var(--info-bg);
  color: var(--info-text);
}

.interview-block,
.day-plan-slot.plan-break {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.day-plan-slot.plan-lab,
.scan-endpoint.server {
  background: var(--success-bg);
  color: var(--success-text);
}

.tool-guide-card summary::after,
.image-modal-img,
.image-modal-close {
  background: var(--surface-raised);
  color: var(--button-text);
}

.survey-link {
  background: var(--active-bg);
  color: var(--accent-dark);
}

.day-plan-slot strong,
.scan-endpoint strong,
.tool-guide-mini-block h3,
.tool-guide-example h4,
.tool-guide-example code,
.section-action-card strong,
.question-card p,
.instructor-experience-card strong {
  color: var(--ink);
}

.scan-arrow-row,
.scan-arrow-row span {
  background: var(--active-bg);
  color: var(--ink);
}

.scan-arrow-row.reverse,
.scan-arrow-row.reverse span {
  background: var(--success-bg);
  color: var(--success-text);
}

.scan-arrow-row.muted {
  background: var(--surface-soft);
  color: var(--muted);
}

:root[data-theme="dark"] .section-head,
:root[data-theme="dark"] .visual-stage,
:root[data-theme="dark"] .journey-map > div,
:root[data-theme="dark"] .learning-path-card,
:root[data-theme="dark"] .mission-chain-card,
:root[data-theme="dark"] .mission-board-card,
:root[data-theme="dark"] .shared-board-block,
:root[data-theme="dark"] .board-panel,
:root[data-theme="dark"] .board-structure-panel article,
:root[data-theme="dark"] .board-progress-group,
:root[data-theme="dark"] .board-progress-list button,
:root[data-theme="dark"] .board-record-card,
:root[data-theme="dark"] .board-clue-strip article,
:root[data-theme="dark"] .template-card > div,
:root[data-theme="dark"] .timeline-visual > div,
:root[data-theme="dark"] .ops-board > div,
:root[data-theme="dark"] .detail-header,
:root[data-theme="dark"] .detail-rail section,
:root[data-theme="dark"] .detail-summary,
:root[data-theme="dark"] .detail-flow-action,
:root[data-theme="dark"] .detail-module,
:root[data-theme="dark"] .presentation-controls,
:root[data-theme="dark"] .day-plan,
:root[data-theme="dark"] .install-matrix,
:root[data-theme="dark"] .day-install-guide,
:root[data-theme="dark"] .setup-selector,
:root[data-theme="dark"] .image-modal-panel,
:root[data-theme="dark"] .lab-step-card,
:root[data-theme="dark"] .instructor-experience-card,
:root[data-theme="dark"] .survey-block,
:root[data-theme="dark"] .survey-qr,
:root[data-theme="dark"] .mission-brief,
:root[data-theme="dark"] .mission-record-block,
:root[data-theme="dark"] .mission-cve-card,
:root[data-theme="dark"] .mission-next-theory {
  background: var(--surface);
  color: var(--ink);
}

:root[data-theme="dark"] .mission-next-theory h2,
:root[data-theme="dark"] .mission-next-theory p {
  color: var(--ink);
}

:root[data-theme="dark"] .back-link,
:root[data-theme="dark"] .detail-page-nav a,
:root[data-theme="dark"] .mobile-toc-list a,
:root[data-theme="dark"] .mobile-toc-list button,
:root[data-theme="dark"] .toc-list a,
:root[data-theme="dark"] .toc-list button,
:root[data-theme="dark"] .presentation-step-buttons button,
:root[data-theme="dark"] .presentation-nav-buttons button,
:root[data-theme="dark"] .day-plan-slot,
:root[data-theme="dark"] .install-card,
:root[data-theme="dark"] .install-columns div,
:root[data-theme="dark"] .install-card .step-list li,
:root[data-theme="dark"] .setup-choice,
:root[data-theme="dark"] .compare-grid article,
:root[data-theme="dark"] .feature-panel-card,
:root[data-theme="dark"] .tool-guide-mini-block,
:root[data-theme="dark"] .tool-guide-example,
:root[data-theme="dark"] .tool-guide-doc-link,
:root[data-theme="dark"] .section-action-card,
:root[data-theme="dark"] .scan-diagram-card,
:root[data-theme="dark"] .scan-diagram-flow,
:root[data-theme="dark"] .scan-endpoint,
:root[data-theme="dark"] .terminal-example-card,
:root[data-theme="dark"] .copy-button,
:root[data-theme="dark"] .context-block,
:root[data-theme="dark"] .prompt-block,
:root[data-theme="dark"] .expected-block,
:root[data-theme="dark"] .pitfall-block,
:root[data-theme="dark"] .pattern-block,
:root[data-theme="dark"] .transition-block,
:root[data-theme="dark"] .question-card,
:root[data-theme="dark"] .setup-step-status,
:root[data-theme="dark"] .setup-step-buttons,
:root[data-theme="dark"] .walkthrough-card,
:root[data-theme="dark"] .walkthrough-image,
:root[data-theme="dark"] .walkthrough-image figcaption,
:root[data-theme="dark"] .walkthrough-mini-block,
:root[data-theme="dark"] .instructor-tags span,
:root[data-theme="dark"] .instructor-product,
:root[data-theme="dark"] .instructor-contact-chip,
:root[data-theme="dark"] .learning-path-links a,
:root[data-theme="dark"] .mission-chain-links a,
:root[data-theme="dark"] .survey-qr figcaption {
  background: var(--surface-muted);
  color: var(--button-text);
}

:root[data-theme="dark"] .feature-panel-card {
  border-color: #334155;
  box-shadow: none;
}

:root[data-theme="dark"] .feature-panel-card h4,
:root[data-theme="dark"] .feature-panel-card p,
:root[data-theme="dark"] .feature-panel-card li {
  color: var(--ink);
}

:root[data-theme="dark"] .feature-panel-result {
  background: #0f2743;
  color: #dbeafe;
}

:root[data-theme="dark"] .feature-panel-card[data-variant="warning"] {
  border-color: #854d0e;
  background: #2c1f0d;
}

:root[data-theme="dark"] .feature-panel-card[data-variant="warning"] .feature-panel-result {
  background: #3a260d;
  color: #fed7aa;
}

:root[data-theme="dark"] .feature-panel-card[data-variant="result"] {
  border-color: #166534;
  background: #0c241a;
}

:root[data-theme="dark"] .feature-panel-card[data-variant="result"] .feature-panel-result {
  background: #0f2f22;
  color: #bbf7d0;
}

:root[data-theme="dark"] .data-table-scroll {
  border-color: #334155;
  background: var(--surface-muted);
}

:root[data-theme="dark"] .data-table th {
  background: #17352b;
  color: #d1fae5;
}

:root[data-theme="dark"] .data-table td {
  border-color: #334155;
  color: var(--ink);
}

:root[data-theme="dark"] .data-table td:first-child {
  color: #bbf7d0;
}

:root[data-theme="dark"] .data-table tbody tr:nth-child(even) td {
  background: #111c2d;
}

:root[data-theme="dark"] .data-table-note {
  color: var(--muted-strong);
}

:root[data-theme="dark"] .toc-list button.active,
:root[data-theme="dark"] .mobile-toc-list button.active,
:root[data-theme="dark"] .presentation-step-buttons button.active,
:root[data-theme="dark"] .presentation-nav-buttons button:not(:disabled):hover,
:root[data-theme="dark"] .setup-choice.active {
  background: var(--active-bg);
  color: var(--accent-dark);
}

:root[data-theme="dark"] .lab-theory,
:root[data-theme="dark"] .theory-block,
:root[data-theme="dark"] .tool-guide-card,
:root[data-theme="dark"] .section-action-block,
:root[data-theme="dark"] .jump-to-lab,
:root[data-theme="dark"] .scan-endpoint.client {
  background: var(--info-bg);
  color: var(--info-text);
}

:root[data-theme="dark"] .interview-block,
:root[data-theme="dark"] .day-plan-slot.plan-break {
  background: var(--warning-bg);
  color: var(--warning-text);
}

:root[data-theme="dark"] .day-plan-slot.plan-lab,
:root[data-theme="dark"] .scan-endpoint.server {
  background: var(--success-bg);
  color: var(--success-text);
}

:root[data-theme="dark"] .walkthrough-heading span,
:root[data-theme="dark"] .install-card-title span,
:root[data-theme="dark"] .scan-diagram-title span,
:root[data-theme="dark"] .tool-guide-card summary span,
:root[data-theme="dark"] .terminal-example-head span {
  background: var(--surface-soft);
  color: var(--ink);
}

:root[data-theme="dark"] .instructor-experience-card span,
:root[data-theme="dark"] .survey-link {
  background: var(--active-bg);
  color: var(--accent-dark);
}

:root[data-theme="dark"] .day-plan-head p:last-child,
:root[data-theme="dark"] .day-plan-slot p,
:root[data-theme="dark"] .module-index span,
:root[data-theme="dark"] .install-matrix-head p:last-child,
:root[data-theme="dark"] .install-columns ul,
:root[data-theme="dark"] .tool-guide-body p,
:root[data-theme="dark"] .tool-guide-card em,
:root[data-theme="dark"] .tool-guide-mini-block li,
:root[data-theme="dark"] .scan-diagram-card > p,
:root[data-theme="dark"] .image-modal-caption,
:root[data-theme="dark"] .walkthrough-description,
:root[data-theme="dark"] .walkthrough-mini-block ul,
:root[data-theme="dark"] .instructor-summary p,
:root[data-theme="dark"] .instructor-product,
:root[data-theme="dark"] .instructor-experience-card p,
:root[data-theme="dark"] .survey-copy p,
:root[data-theme="dark"] .survey-qr figcaption {
  color: var(--muted);
}