/* ==========================================================================
   MILITARY TERMINAL THEME -- SwarmGNC
   ========================================================================== */

:root {
  --bg-primary:   #0d1117;
  --bg-card:      #161b22;
  --bg-canvas:    #0a0e14;
  --border:       #21262d;
  --border-light: #30363d;

  --green:        #3fb950;
  --green-dim:    #2ea043;
  --green-bright: #56d364;
  --amber:        #d29922;
  --amber-dim:    #bb8009;
  --red:          #f85149;
  --blue:         #1f6feb;

  --fg:           #c9d1d9;
  --fg-dim:       #8b949e;
  --fg-muted:     #484f58;

  --terminal:     #39d353;
  --card-bg:      #161b22;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg-primary);
  color: var(--fg);
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  line-height: 1.7;
  padding-left: 0;
  min-height: 100vh;
  font-size: 14px;
  transition: padding-left 0.25s ease;
}
body.sidebar-open { padding-left: 240px; }

h1 { color: var(--green); font-size: 1.6em; margin-top: 0; }
h2 { color: var(--amber); font-size: 1.25em; margin: 2em 0 0.8em; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
h3 { color: var(--green); font-size: 1.05em; margin: 1.5em 0 0.5em; }
h4 { color: var(--fg); font-size: 0.95em; margin: 1.2em 0 0.4em; }
p { margin-bottom: 1em; font-size: 0.9em; color: var(--fg-dim); }
a { color: var(--green); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green-bright); }
code { background: rgba(0,0,0,0.3); padding: 2px 6px; border-radius: 4px; color: var(--amber); font-size: 0.9em; }
pre code { background: none; padding: 0; }
ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.3rem; font-size: 0.9em; color: var(--fg-dim); }
strong { color: var(--fg); }
img { max-width: 100%; border-radius: 4px; border: 1px solid var(--border); }

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 240px;
  height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(-240px);
  transition: transform 0.25s ease;
}
.sidebar.open { transform: translateX(0); }

.sidebar-toggle {
  display: block;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 4px;
  font-family: inherit;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand a {
  color: var(--green);
  font-size: 0.78em;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.sidebar-brand a:hover { color: var(--green-bright); }

.sidebar-nav {
  flex: 1;
  padding: 16px 0 24px;
  overflow-y: auto;
}

.nav-section { margin-bottom: 20px; }

.nav-heading {
  padding: 4px 20px;
  font-size: 0.55em;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 2px;
}

.nav-item {
  display: block;
  padding: 6px 20px 6px 28px;
  font-size: 0.75em;
  color: var(--fg-dim);
  text-decoration: none;
  transition: all 0.15s;
  border-left: 2px solid transparent;
}

.nav-item:hover {
  color: var(--green);
  background: rgba(63, 185, 80, 0.05);
  border-left-color: var(--green);
}

.nav-item.active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(63, 185, 80, 0.08);
}

/* --- Main container --- */
.main-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2.5rem 30px 4rem;
}

/* --- Hero --- */
.hero {
  text-align: center;
  padding: 2rem 0 1.5rem;
}

.hero h1 {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--terminal);
  margin: 0;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  max-width: 680px;
  margin: 0.75rem auto 0;
  font-size: 0.8em;
  color: var(--fg-dim);
  line-height: 1.7;
}

.hero .status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 4px 14px;
  border: 1px solid var(--green-dim);
  border-radius: 4px;
  font-size: 0.65em;
  color: var(--green);
  background: rgba(63, 185, 80, 0.06);
}

.hero .status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* --- Card grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 1.5rem 0;
}

.card-grid .card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 0 6px 6px 0;
  padding: 18px 20px;
  transition: all 0.2s;
  cursor: default;
}

.card-grid .card:hover {
  border-color: var(--border-light);
  border-left-color: var(--green-bright);
  background: #1a1f2e;
}

.card-grid .card h3 {
  color: var(--fg);
  font-size: 0.85em;
  margin: 0 0 6px;
}

.card-grid .card p {
  font-size: 0.75em;
  color: var(--fg-dim);
  margin: 4px 0;
}

.card-grid .card .tag {
  display: inline-block;
  font-size: 0.6em;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
  border: 1px solid var(--green-dim);
  color: var(--green);
}

.card-grid .card .arrow {
  color: var(--green);
  font-size: 0.72em;
  margin-top: 8px;
  display: inline-block;
  transition: color 0.2s;
}

.card-grid .card:hover .arrow { color: var(--green-bright); }

.card-grid .card.mod-theory { border-left-color: var(--amber); }
.card-grid .card.mod-theory .tag { border-color: var(--amber-dim); color: var(--amber); }
.card-grid .card.mod-sim { border-left-color: var(--terminal); }
.card-grid .card.mod-sim .tag { border-color: var(--terminal); color: var(--terminal); }
.card-grid .card.mod-method { border-left-color: var(--blue); }
.card-grid .card.mod-method .tag { border-color: var(--blue); color: var(--blue); }

/* --- Section intro paragraph --- */
.section-intro {
  font-size: 0.82em;
  color: var(--fg-dim);
  line-height: 1.8;
  margin: 1.5rem 0;
  padding: 0 2px;
}
.section-intro strong {
  color: var(--green);
}

/* --- GitHub link button in hero --- */
.github-link {
  display: inline-block;
  margin-top: 14px;
  padding: 8px 20px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  color: var(--fg-dim);
  font-size: 0.72em;
  transition: all 0.2s;
  text-decoration: none;
  font-family: inherit;
}
.github-link:hover {
  color: var(--green-bright);
  border-color: var(--green);
  background: rgba(63, 185, 80, 0.06);
}

/* --- Key results section --- */
.key-results { margin: 1.5rem 0; }
.key-results h2 {
  color: var(--green);
  font-size: 1.05em;
  margin: 0 0 0.8em;
  border: none;
  padding: 0;
}
.key-results ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.key-results li {
  position: relative;
  padding: 0.35em 0 0.35em 1.4em;
  color: var(--fg-dim);
  font-size: 0.82em;
  line-height: 1.6;
  margin: 0;
}
.key-results li::before {
  content: '\25B8';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.85em;
}
.key-results li strong { color: var(--fg); }

/* --- Chart caption --- */
.chart-caption {
  font-size: 0.72em;
  color: var(--fg-muted);
  margin: 0.3em 0 1.5em;
  font-style: italic;
  line-height: 1.5;
}

/* --- Design decision callout --- */
.callout.design-note {
  border-left-color: var(--blue);
  font-size: 0.75em;
}
.callout.design-note::before {
  content: '\26A1';
  margin-right: 6px;
  font-style: normal;
}

/* --- Stats --- */
.stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  flex: 1;
  min-width: 100px;
  text-align: center;
  transition: all 0.2s;
}

.stat:hover { border-color: var(--border-light); }

.stat .num {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--terminal);
  display: block;
}

.stat .lbl {
  font-size: 0.65em;
  color: var(--fg-dim);
  margin-top: 4px;
}

/* --- Callout --- */
.callout {
  background: var(--bg-card);
  border-left: 3px solid var(--amber);
  border-radius: 0 6px 6px 0;
  padding: 14px 18px;
  margin: 1.25rem 0;
  font-size: 0.78em;
  color: var(--fg-dim);
}

.callout strong { color: var(--fg); }
.callout.green { border-left-color: var(--green); }
.callout.red { border-left-color: var(--red); }

/* --- Equation box --- */
.eq-box {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 0 6px 6px 0;
  padding: 16px 20px;
  margin: 1.25rem 0;
  overflow-x: auto;
}

.eq-box .label {
  text-align: right;
  font-size: 0.65em;
  color: var(--fg-muted);
  margin-top: 8px;
}

/* --- Tables --- */
.main-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.85em;
}

.main-content th, .main-content td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.main-content th {
  background: var(--bg-card);
  color: var(--green);
  font-weight: 600;
}

.main-content td { color: var(--fg-dim); }
.main-content tr:hover td { background: rgba(63, 185, 80, 0.03); }

/* --- Section header (comment-style) --- */
.section-header {
  font-size: 1.1em;
  font-weight: 700;
  color: var(--amber);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}
.section-header.green { color: var(--green); }

/* --- Code blocks --- */
.main-content pre {
  background: rgba(0,0,0,0.25) !important;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.72em;
  padding: 16px !important;
  overflow-x: auto;
}

.main-content :not(pre) > code {
  background: rgba(0,0,0,0.3);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--amber);
  font-size: 0.85em;
  border: 1px solid var(--border);
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: 1.5rem 20px;
  border-top: 1px solid var(--border);
  font-size: 0.65em;
  color: var(--fg-muted);
}

.site-footer a { color: var(--fg-muted); }
.site-footer a:hover { color: var(--green); }

/* --- Simulation page specific --- */
.sim-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 16px;
  margin: 1rem 0;
}

.sim-viewport {
  position: relative;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  height: 550px;
}

.sim-viewport canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.sim-hud {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  pointer-events: none;
}

.sim-hud-line {
  font-size: 0.6em;
  color: var(--terminal);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
  text-shadow: 0 0 4px rgba(57, 211, 53, 0.3);
}

.sim-hud-line .label { color: var(--fg-muted); }
.sim-hud-line .value { color: var(--green); }

.sim-hud-line .warn { color: var(--amber); }
.sim-hud-line .danger { color: var(--red); }

.sim-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
}

.sim-controls button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 5px 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.72em;
  border-radius: 4px;
  transition: all 0.15s;
}

.sim-controls button:hover { border-color: var(--green); color: var(--green); }

.sim-controls input[type="range"] {
  flex: 1;
  accent-color: var(--green);
  height: 4px;
  cursor: pointer;
}

.sim-controls .time-display {
  font-size: 0.65em;
  color: var(--fg-dim);
  min-width: 80px;
  text-align: center;
}

.sim-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  flex: 1;
}

.chart-container .chart-title {
  font-size: 0.65em;
  color: var(--fg-muted);
  margin-bottom: 6px;
  padding-left: 4px;
}

.chart-container .js-plotly-plot {
  width: 100% !important;
  height: 100% !important;
}

.chart-row {
  display: flex;
  gap: 14px;
  margin: 1.5rem 0;
}

.chart-row.two-col .chart-container {
  flex: 1;
  min-width: 0;
}

.chart-row img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

@media (max-width: 720px) {
  .chart-row.two-col {
    flex-direction: column;
  }
}

/* --- Responsive --- */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 1.5rem 0;
}

.metrics-grid .chart-container {
  min-height: 300px;
}

@media (max-width: 900px) {
  body.sidebar-open { padding-left: 0; }
  .sim-layout { grid-template-columns: 1fr; }
  .sim-viewport { height: 400px; }
}

@media (max-width: 720px) {
  .main-content { padding: 1.5rem 16px 3rem; }
  .stats { gap: 8px; }
  .stat { min-width: 80px; padding: 10px 14px; }
  .stat .num { font-size: 1.1em; }
  .sim-viewport { height: 300px; }
}

/* --- Divider --- */
.divider { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }

/* --- Image row --- */
.img-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 1.5rem 0;
}

.img-row figure { margin: 0; }
.img-row figcaption {
  font-size: 0.72em;
  color: var(--fg-muted);
  margin-top: 4px;
  text-align: center;
}

/* --- Module table --- */
.module-table {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 1rem 0;
}

.module-row {
  display: grid;
  grid-template-columns: 140px 1fr 100px;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.78em;
  align-items: center;
}

.module-row .mod-name { color: var(--green); font-weight: 600; }
.module-row .mod-desc { color: var(--fg-dim); }
.module-row .mod-file { color: var(--fg-muted); font-size: 0.85em; text-align: right; }

/* --- Chart grid (simulation page) --- */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 1.5rem 0;
}

@media (max-width: 720px) {
  .chart-grid { grid-template-columns: 1fr; }
}

/* --- Video element --- */
.sim-viewport video {
  width: 100%;
  height: 100%;
  display: block;
  background: var(--bg-canvas);
  cursor: pointer;
}

.sim-viewport video::-webkit-media-controls-panel {
  background: rgba(13, 17, 23, 0.85);
}

.sim-viewport video::-webkit-media-controls-current-time-display,
.sim-viewport video::-webkit-media-controls-time-remaining-display {
  color: var(--terminal);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

/* --- Image gallery for GIFs --- */
.main-content .img-row.single {
  grid-template-columns: 1fr;
  max-width: 800px;
  margin: 1.5rem auto;
}

.main-content .img-row.single img {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-canvas);
}

.main-content .img-row.single figcaption {
  font-size: 0.72em;
  color: var(--fg-muted);
  margin-top: 6px;
  text-align: center;
}

/* Results table for trajectory comparison */
.results-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78em;
  color: var(--fg-muted);
  margin: 1.2em 0;
}
.results-table th {
  background: var(--bg-canvas);
  color: var(--green);
  font-weight: 500;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}
.results-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.results-table tr:hover td {
  background: var(--bg-canvas);
}
.results-table .col-gain {
  font-weight: 700;
  color: var(--fg);
}
.results-table .col-gates {
  white-space: nowrap;
}
.results-table .col-worst {
  color: var(--red);
}

/* Enhancement notes list */
.enhance-list {
  list-style: none;
  padding: 0;
  margin: 1em 0;
}
.enhance-list li {
  padding: 0.4em 0 0.4em 1.5em;
  position: relative;
  color: var(--fg-muted);
  font-size: 0.85em;
  line-height: 1.5;
}
.enhance-list li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* --- Sidebar hierarchy --- */
.nav-subheading {
  padding: 12px 20px 2px 24px;
  font-size: 0.55em;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: default;
  opacity: 0.7;
}

.nav-nested {
  padding-left: 38px !important;
  font-size: 0.7em !important;
}

/* --- Scroll anchor offset --- */
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
[id] { scroll-margin-top: 28px; }

/* --- Table of Contents --- */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 0 6px 6px 0;
  padding: 16px 20px;
  margin: 1.5rem 0 2rem;
}

.toc-heading {
  font-size: 0.65em;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  font-weight: 600;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc > ul > li {
  margin-bottom: 4px;
}

.toc ul ul {
  padding-left: 1.2rem;
  margin-top: 2px;
}

.toc li {
  font-size: 0.78em;
  line-height: 1.6;
  color: var(--fg-dim);
}

.toc li a {
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.15s;
}

.toc li a:hover {
  color: var(--green);
}

.toc ul ul li {
  font-size: 0.72em;
}

/* --- Teaser cards --- */
.teaser-card {
  display: flex;
  gap: 24px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 2rem 0;
  transition: border-color 0.2s;
}

.teaser-card:hover { border-color: var(--border-light); }

.teaser-card .teaser-img {
  width: 45%;
  min-width: 200px;
  border-radius: 4px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.teaser-card .teaser-text { flex: 1; }

.teaser-card .teaser-text h3 {
  margin: 0 0 6px;
  color: var(--fg);
  font-size: 1em;
}

.teaser-card .teaser-text p {
  margin: 0 0 10px;
  font-size: 0.82em;
  color: var(--fg-dim);
  line-height: 1.6;
}

.teaser-link {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid var(--green-dim);
  border-radius: 4px;
  color: var(--green);
  font-size: 0.75em;
  transition: all 0.2s;
  text-decoration: none;
  font-family: inherit;
  cursor: pointer;
}

.teaser-link:hover {
  background: rgba(63, 185, 80, 0.1);
  color: var(--green-bright);
  border-color: var(--green);
}

@media (max-width: 720px) {
  .teaser-card { flex-direction: column; text-align: center; }
  .teaser-card .teaser-img { width: 100%; min-width: 0; }
}

/* --- 2D Player gain chips --- */
.player-gain-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px 0;
}

.player-gain-chip {
  padding: 4px 10px;
  border: 1.5px solid transparent;
  border-radius: 4px;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: #c9d1d9;
  cursor: pointer;
  transition: all 0.15s;
  background: transparent;
  min-width: 32px;
  text-align: center;
}

.player-gain-chip:hover {
  filter: brightness(1.3);
  border-color: rgba(255,255,255,0.3);
}

.player-check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 2px 0;
}

.player-check-row label {
  font-size: 10px;
  color: #8b949e;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.player-check-row input[type="checkbox"] {
  accent-color: #3fb950;
  width: 12px;
  height: 12px;
}

/* ==========================================================================
   FLIGHT SOFTWARE & COMPLIANCE PAGE CLASSES
   ========================================================================== */

.bg-dark { background: var(--bg-primary); }
.text-light { color: var(--fg); }
.font-sans { font-family: 'JetBrains Mono', monospace; }

.layout-container { display: flex; min-height: 100vh; }

.brand { padding: 1em; border-bottom: 1px solid var(--border); }
.brand-text { color: var(--green); font-size: 1.2em; font-weight: 700; }
.brand-sub { color: var(--fg-dim); font-size: 0.75em; display: block; }

.nav-menu { padding: 0.5em 0; }
.nav-group { margin-bottom: 1em; }
.nav-group h4 { color: var(--amber); font-size: 0.8em; text-transform: uppercase; padding: 0.5em 1em; margin: 0; }
.nav-group a { display: block; padding: 0.3em 1em; color: var(--fg-dim); font-size: 0.85em; transition: all 0.2s; }
.nav-group a:hover, .nav-group a.active { color: var(--green); background: rgba(63,185,80,0.08); }

.content-header { padding: 1.5em 2em; border-bottom: 1px solid var(--border); }
.content-header h1 { font-size: 1.5em; }
.content-header p { color: var(--fg-dim); }

.card-section { padding: 2em; }
.card-section h2 { color: var(--amber); border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }

.diagram-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5em; margin: 1.5em 0; }
.diagram-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; padding: 1em; text-align: center; }
.diagram-card h3 { color: var(--green); font-size: 0.9em; margin-bottom: 0.5em; }
.diagram-img { width: 100%; height: auto; border-radius: 4px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.75em; font-weight: 600; }
.badge-success { background: rgba(63,185,80,0.15); color: var(--green); border: 1px solid rgba(63,185,80,0.3); }

.metrics-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1em; margin: 1.5em 0; }
.metric-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; padding: 1em; text-align: center; }
.metric-card .value { color: var(--green); font-size: 1.8em; font-weight: 700; }
.metric-card .label { color: var(--fg-dim); font-size: 0.75em; margin-top: 0.3em; }

.compliance-table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 0.85em; }
.compliance-table th { background: var(--bg-card); color: var(--amber); padding: 0.6em 1em; text-align: left; border: 1px solid var(--border); }
.compliance-table td { padding: 0.6em 1em; border: 1px solid var(--border); color: var(--fg-dim); }

.footer { padding: 1.5em 2em; border-top: 1px solid var(--border); color: var(--fg-muted); font-size: 0.8em; text-align: center; }

/* Syntax highlighting */
.kw { color: #ff7b72; }
.cmt { color: #8b949e; font-style: italic; }
.str { color: #a5d6ff; }
.num { color: #79c0ff; }
.fn { color: #d2a8ff; }
.typ { color: #79c0ff; }
.punct { color: #c9d1d9; }

/* Responsive metrics grid */
@media (max-width: 900px) {
  .metrics-summary-grid { grid-template-columns: repeat(2, 1fr); }
  .diagram-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .metrics-summary-grid { grid-template-columns: 1fr; }
}