/* ==========================================================================
   SenzFusion redesign — css/overview.css
   Design Spec 2.0.0 (Binance.US schema applied to SenzFusion).
   Page-only styles for overview.html. Tokens only (with fallbacks while
   css/tokens.css is being rewritten). Loads after tokens.css + base.css.
   ========================================================================== */

body[data-page="overview"] {
  --ov-accent: var(--accent, #F0B90B);
  --ov-accent-2: #F8D12F;
  --ov-ink: var(--c-ink, #1E2026);
  --ov-ink-muted: var(--c-ink-muted, #707A8A);
  --ov-border: var(--border, #EAECEF);
  --ov-surface: var(--c-surface, #FFFFFF);
  --ov-surface-warm: var(--surface-warm, #FAFAFA);
  --ov-night: var(--c-night, #222126);
  --ov-panel: var(--c-panel, #2B2F36);
  --ov-on-dark: var(--c-on-dark, #FFFFFF);
  --ov-on-dark-muted: var(--c-on-dark-muted, #ADAFB2);
  --ov-line-dark: rgba(255, 255, 255, 0.12);
  --ov-tint-dark: rgba(255, 255, 255, 0.04);
  --ov-imu: var(--c-imu, #848E9C);
  --ov-radar: var(--c-radar, #0ECB81);
  --ov-thermal: var(--c-thermal, #F6465D);
  --ov-est: var(--c-estimate, #1EAEDB);
  --ov-fix: var(--accent, #F0B90B);
  --ov-focus: #1EAEDB;
  --ov-fast: var(--motion-fast, 150ms);
  --ov-base: var(--motion-base, 200ms);
  --ov-ease: var(--ease-standard, cubic-bezier(0.2, 0, 0, 1));
  --ov-radius-sm: var(--radius-sm, 6px);
  --ov-radius-md: var(--radius-md, 8px);
  --ov-radius-lg: var(--radius-lg, 12px);
  --ov-pill: var(--radius-pill, 999px);
  --ov-shadow: var(--elev-raised, 0 3px 5px 0 rgba(32, 32, 37, 0.05));
  --ov-rail-w: 200px;
  --ov-mono: var(--font-mono, "IBM Plex Mono", ui-monospace, monospace);
}

.ov-mono { font-family: var(--ov-mono); font-variant-numeric: tabular-nums; }

/* ==========================================================================
   Hero
   ========================================================================== */
.ov-hero {
  padding-block: var(--space-12, 48px) var(--space-10, 40px);
  background: var(--ov-surface);
}
.ov-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-8, 32px);
  align-items: center;
}
.ov-hero-copy > * { margin: 0; }
.ov-speed {
  font-family: var(--ov-mono);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ov-ink-muted);
  margin-bottom: var(--space-4, 16px) !important;
}
.ov-speed-line { display: block; }
.ov-hero .h-display {
  font-size: clamp(36px, 5.5vw, 60px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ov-ink);
}
.ov-hero .lede {
  margin-top: var(--space-4, 16px);
  max-width: 34ch;
  color: var(--ov-ink-muted);
}
.ov-hero-actions {
  --od-gap: 12px;
  margin-top: var(--space-8, 32px);
}
.ov-hero-stage {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  padding: var(--space-6, 24px);
  border-radius: 24px;
  overflow: hidden;
  background: var(--ov-surface-warm);
  isolation: isolate;
}
.ov-hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse 62% 54% at 50% 56%, #F0B90B 0%, #F8D12F 30%, rgba(248, 209, 47, 0) 72%);
  opacity: 0.72;
}
.ov-hero-contours {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  stroke: rgba(30, 32, 38, 0.12);
}
.ov-hero-profile { stroke: rgba(30, 32, 38, 0.22); }
.ov-hero-img {
  position: relative;
  width: 100%;
  max-width: 640px;
  height: auto;
}
.ov-hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: var(--space-8, 32px) 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ov-ink);
}
.ov-hero-note .dot {
  --dot: var(--ov-accent);
  width: 10px;
  height: 10px;
  box-shadow: 0 0 0 1px rgba(30, 32, 38, 0.35);
}

@media (min-width: 1024px) {
  .ov-hero { padding-block: 72px 56px; }
  .ov-hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: var(--space-12, 48px);
  }
}

/* ==========================================================================
   Chapter navigation — horizontal chip rail (<1200), sticky left rail (>=1200)
   ========================================================================== */
.ov-chapters {
  background: var(--ov-surface);
  padding-block: var(--space-2, 8px) var(--space-6, 24px);
}
.ov-chapter-list {
  --od-gap: 8px;
  --od-rail-pad: var(--page-pad, 16px);
  list-style: none;
  margin: 0;
  padding-block: 4px;
}
.ov-chapter-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-pill);
  background: var(--ov-surface);
  color: var(--ov-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--ov-fast) var(--ov-ease), border-color var(--ov-fast) var(--ov-ease);
}
.ov-chapter-num {
  font-family: var(--ov-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ov-ink-muted);
}
.ov-chapter-link[aria-current] {
  background: var(--ov-accent);
  border-color: var(--ov-accent);
}
.ov-chapter-link[aria-current] .ov-chapter-num { color: var(--ov-ink); }
.ov-chapter-link:focus-visible {
  outline: 2px solid var(--ov-focus);
  outline-offset: 2px;
}
@media (hover: hover) {
  .ov-chapter-link:not([aria-current]):hover { background: var(--ov-surface-warm); border-color: var(--ov-ink-muted); }
}

@media (min-width: 1200px) {
  .ov-body { position: relative; }
  .ov-chapters {
    position: absolute;
    top: 0;
    bottom: 0;
    left: max(var(--page-pad, 32px), calc(50% - var(--content-max, 1200px) / 2 + var(--page-pad, 32px)));
    z-index: 5;
    width: var(--ov-rail-w);
    padding: var(--section-pad, 80px) 0 var(--space-8, 32px);
    background: none;
    pointer-events: none;
  }
  .ov-chapter-list {
    position: sticky;
    top: calc(var(--header-h, 64px) + 24px);
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 8px;
    border: 1px solid var(--ov-border);
    border-radius: var(--ov-radius-lg);
    background: var(--ov-surface);
    box-shadow: var(--ov-shadow);
    pointer-events: auto;
    scroll-snap-type: none;
  }
  .ov-chapter-list > li { margin: 0 !important; }
  .ov-chapter-link {
    display: flex;
    align-items: flex-start;
    width: 100%;
    min-height: 36px;
    padding: 7px 10px;
    border: 0;
    border-radius: var(--ov-radius-md);
    font-size: 13px;
    white-space: normal;
  }
  .ov-chapter-num { padding-top: 1px; }
  .ov-chapter > .wrap {
    padding-inline-start: calc(var(--page-pad, 32px) + var(--ov-rail-w) + 40px);
  }
}

/* ==========================================================================
   Chapters — shared explainer chrome
   ========================================================================== */
.ov-chapter .section-head { margin-bottom: var(--space-8, 32px); }
.ov-chapter .section-head .eyebrow { margin: 0 0 var(--space-2, 8px); }
.ov-chapter .section-head .h-section { margin: 0; }
.ov-chapter .section-head-aside { display: grid; gap: var(--space-4, 16px); justify-items: start; }

.ov-explainer { margin: 0; }
.ov-explainer + .concept-tag,
.ov-chainnote + .concept-tag,
.ov-pcav + .concept-tag,
.ov-mission-fine + .concept-tag { margin-top: var(--space-4, 16px); }
.ov-explainer .panel-body > svg { display: block; width: 100%; height: auto; }

.ov-readout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
  margin: var(--space-4, 16px) 0 0;
  font-family: var(--ov-mono);
}
.ov-readout > div { min-width: 0; padding-top: 8px; border-top: 1px solid var(--ov-line-dark); }
.ov-readout dt { font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-readout dd {
  margin: 2px 0 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--ov-on-dark);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.ov-readout dd.is-warn { color: var(--ov-thermal); }
@media (min-width: 768px) {
  .ov-readout { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .ov-readout-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.ov-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: var(--space-4, 16px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ov-on-dark-muted);
}
.ov-legend li { display: inline-flex; align-items: center; gap: 8px; }
.ov-legend-muted { font-family: var(--ov-mono); font-size: 12px; }
.ov-sw {
  flex: none;
  display: inline-block;
  width: 22px;
  height: 0;
  border-top: 2px solid var(--ov-on-dark);
}
.ov-sw-true { border-top: 2px solid var(--ov-on-dark); }
.ov-sw-est { border-top: 2px dashed var(--ov-est); }
.ov-sw-env { height: 10px; border: 0; border-radius: 2px; background: rgba(30, 174, 219, 0.3); }
.ov-sw-radar { border-top: 3px dotted var(--ov-radar); }
.ov-sw-fix,
.ov-sw-token { width: 10px; height: 10px; margin-inline: 6px; border: 0; background: var(--ov-fix); transform: rotate(45deg); }
.ov-sw-route { border-top: 2px dashed var(--ov-on-dark-muted); }
.ov-sw-ghost { width: 14px; height: 12px; border: 2px solid var(--ov-est); border-radius: 2px; background: transparent; }
.ov-sw-lock { width: 16px; height: 12px; border: 2px solid var(--ov-fix); border-radius: 2px; background: rgba(240, 185, 11, 0.12); }
.ov-sw-imu { border-top: 2px solid var(--ov-imu); }
.ov-sw-fb { border-top: 2px dashed var(--ov-est); }
.ov-sw-fixline { border-top: 4px solid var(--ov-fix); }
.ov-sw-cross { border-top: 2px dotted var(--ov-imu); }
.ov-sw-uwb { border-top: 2px dashed var(--ov-radar); }

.ov-foot-actions { --od-gap: 8px; }
.ov-foot-note { font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-ctl { gap: 8px; }
.ov-ctl[aria-pressed="true"] { border-color: var(--ov-accent); }
.ov-ctl:disabled { opacity: 0.45; cursor: not-allowed; }

/* data dots (always paired with text) */
.ov-dot {
  flex: none;
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
}
.ov-dot.is-gnss { background: var(--ov-est); }
.ov-dot.is-jet { background: var(--ov-fix); box-shadow: 0 0 0 1px rgba(30, 32, 38, 0.45); }
.ov-dot.is-off { background: transparent; box-shadow: inset 0 0 0 2px currentColor; }
.ov-dot.is-ok { background: var(--ov-radar); }

/* flow pulses (sensors-in wires) */
.ov-wire {
  --c: var(--ov-fix);
  position: relative;
  flex: 1 1 auto;
  min-width: 24px;
  height: 2px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}
.ov-wire.is-static {
  background: repeating-linear-gradient(90deg, var(--ov-imu) 0 4px, transparent 4px 8px);
}
.ov-pulse {
  position: absolute;
  top: -3px;
  left: 0;
  width: 100%;
  height: 8px;
  animation: ov-pulse calc(var(--d, 0.6s) * 2.2 + 0.8s) linear infinite;
  animation-delay: calc(var(--d, 0.6s) * -1);
  will-change: transform;
}
.ov-pulse::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c);
}
@keyframes ov-pulse {
  from { transform: translateX(-8px); }
  to { transform: translateX(100%); }
}

/* lane runners (odometry strip) */
.ov-lane-run i {
  position: absolute;
  inset: 0;
  animation: ov-lane var(--dur, 2.4s) linear infinite;
  animation-delay: calc(var(--dur, 2.4s) * var(--k, 0) / -4);
  will-change: transform;
}
.ov-lane-run.is-reverse i { animation-direction: reverse; }
.ov-lane-run i::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c, var(--ov-est));
}
@keyframes ov-lane {
  from { transform: translateX(-10px); }
  to { transform: translateX(100%); }
}

.is-offscreen .ov-pulse,
.is-offscreen .ov-lane-run i { animation-play-state: paused; }

.ov-reduced .ov-pulse,
.ov-reduced .ov-lane-run i { animation: none; }
.ov-reduced .ov-pulse { transform: translateX(46%); }
.ov-reduced .ov-lane-run i { transform: translateX(calc(var(--k, 0) * 24%)); }

@media (prefers-reduced-motion: reduce) {
  .ov-pulse,
  .ov-lane-run i { animation: none; }
  .ov-pulse { transform: translateX(46%); }
  .ov-lane-run i { transform: translateX(calc(var(--k, 0) * 24%)); }
  body[data-page="overview"] .ov-chapter-link,
  body[data-page="overview"] .ov-ch-b,
  body[data-page="overview"] .ov-ch-p,
  body[data-page="overview"] .ov-ch-fbt,
  body[data-page="overview"] .ov-sw-token,
  body[data-page="overview"] .ov-part rect { transition: none; }
}

/* ==========================================================================
   01 Position fix (FlightSim)
   ========================================================================== */
.ov-fl-terrain-fill { fill: rgba(255, 255, 255, 0.05); }
.ov-fl-terrain { fill: none; stroke: var(--ov-imu); stroke-width: 1.5; }
.ov-fl-samples-old { fill: var(--ov-radar); opacity: 0.35; }
.ov-fl-samples { fill: var(--ov-radar); }
.ov-fl-envelope { fill: var(--ov-est); fill-opacity: 0.18; }
.ov-fl-true { stroke: var(--ov-on-dark); stroke-width: 2; }
.ov-fl-est { fill: none; stroke: var(--ov-est); stroke-width: 2; stroke-dasharray: 6 4; }
.ov-fl-fix { fill: var(--ov-fix); }
.ov-fl-fix-ring { fill: none; stroke: var(--ov-fix); stroke-width: 1.5; opacity: 0.6; }
.ov-fl-beam { stroke: var(--ov-radar); stroke-width: 1.5; stroke-dasharray: 3 3; }
.ov-fl-ghost { fill: none; stroke: var(--ov-est); stroke-width: 2; stroke-linejoin: round; }
.ov-fl-plane { fill: var(--ov-on-dark); }

/* ==========================================================================
   02 Waypoint navigation (MatchSim)
   ========================================================================== */
.ov-wp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6, 24px);
}
@media (min-width: 1024px) {
  .ov-wp-grid { grid-template-columns: minmax(0, 1.6fr) minmax(250px, 1fr); }
}
.ov-wp-figure { position: relative; padding-top: 24px; }
.ov-wp-labels { position: absolute; top: 0; left: 0; right: 0; height: 20px; }
.ov-wp-labels span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-family: var(--ov-mono);
  font-size: 12px;
  line-height: 20px;
  color: var(--ov-on-dark-muted);
  white-space: nowrap;
}
.ov-wp-labels span.is-done { color: var(--ov-fix); }
.ov-wp-svg { display: block; width: 100%; height: auto; }
.ov-wp-under {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
  font-family: var(--ov-mono);
  font-size: 12px;
  color: var(--ov-on-dark-muted);
}
.ov-wp-mapcap { text-align: center; }
.ov-wp-terrain-fill { fill: rgba(255, 255, 255, 0.05); }
.ov-wp-terrain { fill: none; stroke: var(--ov-imu); stroke-width: 1.5; }
.ov-wp-profile-old { fill: none; stroke: var(--ov-radar); stroke-width: 3; opacity: 0.35; stroke-linecap: round; }
.ov-wp-profile { fill: none; stroke: var(--ov-radar); stroke-width: 3.5; stroke-linecap: round; }
.ov-wp-route { stroke: var(--ov-on-dark-muted); stroke-width: 2; stroke-dasharray: 7 5; }
.ov-wp-mark { fill: var(--ov-panel); stroke: var(--ov-on-dark-muted); stroke-width: 2; }
.ov-wp-mark.is-done { fill: var(--ov-fix); stroke: var(--ov-fix); }
.ov-wp-lock { fill: rgba(240, 185, 11, 0.1); stroke: var(--ov-fix); stroke-width: 2; }
.ov-wp-lock.is-pending { fill: none; stroke-dasharray: 5 4; }
.ov-wp-lock.is-old { opacity: 0.45; }
.ov-wp-beam { stroke: var(--ov-radar); stroke-width: 1.5; stroke-dasharray: 3 3; }
.ov-wp-ghost { fill: none; stroke: var(--ov-est); stroke-width: 2; stroke-linejoin: round; }
.ov-wp-plane { fill: var(--ov-on-dark); }

.ov-wp-scrub { display: grid; gap: 8px; margin-top: var(--space-6, 24px); }
.ov-wp-scrub-label {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ov-on-dark);
}
.ov-wp-scrub-label .ov-mono { font-weight: 500; color: var(--ov-on-dark-muted); }
.ov-wp-scrub .range { width: 100%; }

.ov-wp-evidence {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: var(--space-4, 16px);
  border: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-radius-md);
  background: var(--ov-tint-dark);
}
.ov-wp-evidence-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 12px;
  font-family: var(--ov-mono);
  font-size: 12px;
  color: var(--ov-on-dark-muted);
}
.ov-wp-h { margin: 0; font-size: 16px; font-weight: 600; color: var(--ov-on-dark); }
.ov-wp-result { display: grid; gap: 4px; }
.ov-wp-result-label { font-family: var(--ov-mono); font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-wp-result b {
  font-size: 20px;
  font-weight: 600;
  color: var(--ov-on-dark);
  font-variant-numeric: tabular-nums;
}
.ov-wp-result.is-accepted b { color: var(--ov-radar); }
.ov-wp-result p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--ov-on-dark-muted); }
.ov-wp-process { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.ov-wp-process li {
  display: grid;
  gap: 2px;
  padding: 10px 10px;
  border-top: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-radius-sm);
  font-size: 13px;
  line-height: 1.45;
  color: var(--ov-on-dark-muted);
  transition: background-color var(--ov-fast) var(--ov-ease);
}
.ov-wp-process b { font-size: 14px; font-weight: 600; color: var(--ov-on-dark); }
.ov-wp-step-k { font-family: var(--ov-mono); font-size: 12px; }
.ov-wp-process li.is-active { background: rgba(240, 185, 11, 0.1); border-top-color: transparent; }
.ov-wp-process li.is-active .ov-wp-step-k { color: var(--ov-fix); }
.ov-wp-next { justify-self: start; }

/* ==========================================================================
   03 Sensors in (CoreSim)
   ========================================================================== */
.ov-core {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6, 24px);
}
@media (min-width: 1024px) {
  .ov-core { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--space-5, 20px); }
}
.ov-col-head {
  margin: 0 0 12px;
  font-family: var(--ov-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ov-on-dark-muted);
}
.ov-core-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.ov-sensor { --c: var(--ov-imu); display: flex; align-items: center; gap: 10px; }
.ov-c-imu { --c: var(--ov-imu); }
.ov-c-radar { --c: var(--ov-radar); }
.ov-c-thermal { --c: var(--ov-thermal); }
.ov-sensor .ov-wire { --c: inherit; }
.ov-sensor-name,
.ov-output-card {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-radius-md);
  background: var(--ov-tint-dark);
}
.ov-sensor-name { flex: 0 1 72%; }
.ov-sensor-name b,
.ov-output-card b { font-size: 14px; font-weight: 600; color: var(--ov-on-dark); }
.ov-sensor-name b::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--c);
  vertical-align: 1px;
}
.ov-sensor-gps .ov-sensor-name b::before { background: transparent; box-shadow: inset 0 0 0 2px var(--ov-imu); }
.ov-sensor-name span,
.ov-output-card span { font-family: var(--ov-mono); font-size: 12px; color: var(--ov-on-dark-muted); }
[data-core][data-mode="1"] [data-core-imgr] { opacity: 0.55; }
[data-core][data-mode="1"] [data-core-imgr] .ov-pulse { display: none; }

.ov-core-box {
  padding: 14px;
  border: 1px solid rgba(240, 185, 11, 0.45);
  border-radius: var(--ov-radius-md);
  background: rgba(240, 185, 11, 0.06);
}
.ov-core-name { display: grid; gap: 2px; padding-bottom: 10px; }
.ov-core-name b { font-size: 17px; font-weight: 700; color: var(--ov-on-dark); }
.ov-core-name span { font-size: 13px; color: var(--ov-on-dark-muted); }
.ov-core-steps { margin: 0; padding: 0; list-style: none; }
.ov-core-steps li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--ov-line-dark);
}
.ov-step-n { font-family: var(--ov-mono); font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-step-t { display: grid; gap: 1px; min-width: 0; }
.ov-step-t b { font-size: 14px; font-weight: 600; color: var(--ov-on-dark); }
.ov-step-t span { font-size: 13px; line-height: 1.4; color: var(--ov-on-dark-muted); }
.ov-chip {
  padding: 2px 8px;
  border: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-pill);
  font-family: var(--ov-mono);
  font-size: 12px;
  font-style: normal;
  color: var(--ov-on-dark);
}
.ov-chip.is-fpga { border-color: rgba(240, 185, 11, 0.7); background: rgba(240, 185, 11, 0.14); }
.ov-chip.is-arm { border-color: var(--ov-est); }
.ov-core-health {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 0;
  font-family: var(--ov-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--ov-on-dark-muted);
}
.ov-output { display: flex; align-items: center; gap: 10px; }
.ov-output .ov-wire { --c: var(--ov-est); flex: 0 0 32px; }
.ov-output-card { flex: 1 1 auto; }
.ov-output.is-primary .ov-output-card { border-color: var(--ov-est); }

/* ==========================================================================
   04 Filter (ChainSim)
   ========================================================================== */
.ov-chain-scroll {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border-radius: var(--ov-radius-md);
  scrollbar-width: thin;
}
.ov-chain-scroll:focus-visible { outline: 2px solid var(--ov-focus); outline-offset: 2px; }
.panel-body .ov-chain-svg { display: block; width: 100%; min-width: 880px; height: auto; }
.ov-ch-zone { fill: rgba(240, 185, 11, 0.05); stroke: rgba(240, 185, 11, 0.35); stroke-dasharray: 4 4; }
.ov-ch-zone-arm { fill: rgba(30, 174, 219, 0.06); stroke: rgba(30, 174, 219, 0.45); }
.ov-ch-zone-t { fill: var(--ov-on-dark-muted); font-family: var(--ov-mono); font-size: 13px; font-weight: 500; }
.ov-ch-b,
.ov-ch-p,
.ov-ch-fbt { transition: opacity var(--ov-fast) var(--ov-ease); }
.ov-ch-b rect { fill: #363A43; stroke: rgba(255, 255, 255, 0.2); stroke-width: 1; }
.ov-ch-src rect { fill: #1F2126; }
.ov-ch-core rect { fill: rgba(240, 185, 11, 0.16); stroke: var(--ov-fix); stroke-width: 1.5; }
.ov-ch-match rect { stroke: var(--ov-radar); stroke-width: 1.5; }
.ov-ch-b text { fill: var(--ov-on-dark); font-size: 14px; font-weight: 600; text-anchor: middle; }
.ov-ch-b .ov-ch-sub { fill: var(--ov-on-dark-muted); font-family: var(--ov-mono); font-size: 13px; font-weight: 400; }
.ov-ch-p { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.ov-ch-radar { stroke: var(--ov-radar); }
.ov-ch-imu { stroke: var(--ov-imu); stroke-dasharray: 10 5; }
.ov-ch-fix { stroke: var(--ov-fix); stroke-width: 4; }
.ov-ch-fb { stroke: var(--ov-est); stroke-dasharray: 5 4; }
.ov-ch-fbt { fill: var(--ov-est); font-family: var(--ov-mono); font-size: 13px; }
[data-chain]:not([data-step="0"]) .ov-ch-b:not(.is-on),
[data-chain]:not([data-step="0"]) .ov-ch-p:not(.is-on),
[data-chain]:not([data-step="0"]) .ov-ch-fbt:not(.is-on) { opacity: 0.22; }
.ov-chain-caption {
  display: grid;
  gap: 4px;
  margin-top: var(--space-4, 16px);
  padding: 14px 16px;
  border: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-radius-md);
  background: var(--ov-tint-dark);
}
.ov-chain-k { font-family: var(--ov-mono); font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-chain-caption b { font-size: 16px; font-weight: 600; color: var(--ov-on-dark); }
.ov-chain-caption span:last-child { font-size: 14px; line-height: 1.5; color: var(--ov-on-dark-muted); }
.ov-chainnote { margin: var(--space-4, 16px) 0 0; max-width: 72ch; font-size: 15px; line-height: 1.55; color: var(--fg-muted, var(--ov-ink-muted)); }
.ov-chainnote b { color: var(--fg, var(--ov-ink)); }

/* ==========================================================================
   05 On board (BoardView)
   ========================================================================== */
.ov-board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6, 24px);
}
@media (min-width: 1024px) {
  .ov-board-grid { grid-template-columns: minmax(0, 1.5fr) minmax(270px, 1fr); align-items: start; }
}
.ov-board-svg { display: block; width: 100%; height: auto; }
.ov-pcb { fill: #23262C; stroke: rgba(255, 255, 255, 0.2); stroke-width: 0.4; }
.ov-pcb-deco circle { fill: none; stroke: rgba(255, 255, 255, 0.22); stroke-width: 0.5; }
.ov-pcb-deco path { fill: none; stroke: rgba(240, 185, 11, 0.22); stroke-width: 0.5; }
.ov-cables path { fill: none; stroke: #5E6673; stroke-width: 0.8; }
.ov-part { cursor: pointer; outline: none; }
.ov-part rect,
.ov-part circle {
  fill: #3A3F47;
  stroke: var(--ov-imu);
  stroke-width: 0.35;
  transition: fill var(--ov-fast) var(--ov-ease), stroke var(--ov-fast) var(--ov-ease);
}
.ov-part .ov-part-detail { fill: none; stroke: #5E6673; }
@media (hover: hover) {
  .ov-part:hover rect { stroke: var(--ov-on-dark); }
}
.ov-part[aria-pressed="true"] rect { fill: rgba(240, 185, 11, 0.3); stroke: var(--ov-fix); stroke-width: 0.7; }
.ov-part:focus-visible rect { stroke: var(--ov-focus); stroke-width: 1; }
[data-board][data-ph="1"] .ov-ph2,
[data-board][data-ph="2"] .ov-ph1 { display: none; }

.ov-board-side { display: grid; gap: var(--space-4, 16px); align-content: start; }
.ov-board-detail {
  display: grid;
  gap: 6px;
  padding: var(--space-4, 16px);
  border: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-radius-md);
  background: var(--ov-tint-dark);
}
.ov-board-refs { font-family: var(--ov-mono); font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-board-name { margin: 0; font-size: 18px; font-weight: 700; color: var(--ov-on-dark); }
.ov-board-jobs { display: grid; gap: 10px; margin: 4px 0 0; }
.ov-board-jobs dt { font-family: var(--ov-mono); font-size: 12px; color: var(--ov-on-dark-muted); }
.ov-board-jobs dd { margin: 2px 0 0; font-size: 14px; line-height: 1.5; color: var(--ov-on-dark); }
.ov-board-jobs dd.is-na { color: var(--ov-on-dark-muted); }
.ov-board-parts { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.ov-part-btn {
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--ov-pill);
  background: transparent;
  color: var(--ov-on-dark);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--ov-fast) var(--ov-ease), border-color var(--ov-fast) var(--ov-ease);
}
.ov-part-btn[aria-pressed="true"] { border-color: var(--ov-fix); background: var(--ov-fix); color: var(--ov-ink); }
.ov-part-btn:focus-visible { outline: 2px solid var(--ov-focus); outline-offset: 2px; }
@media (hover: hover) {
  .ov-part-btn:not([aria-pressed="true"]):hover { border-color: var(--ov-on-dark); }
}
@media (pointer: coarse) {
  .ov-part-btn { min-height: 44px; }
}
.ov-board-budget { font-family: var(--ov-mono); color: var(--ov-on-dark); }

/* ==========================================================================
   06 Rollout
   ========================================================================== */
.ov-roles { margin: 0; padding: 0; list-style: none; }
.ov-role { height: 100%; box-shadow: var(--ov-shadow); }
.ov-role > * { margin: 0; }
.ov-role .eyebrow { margin-bottom: var(--space-2, 8px); }
.ov-role .h-item { margin-bottom: var(--space-2, 8px); }
.ov-role p:last-child { color: var(--fg-muted, var(--ov-ink-muted)); }

.ov-rollhead { display: grid; gap: 4px; margin: var(--space-12, 48px) 0 var(--space-6, 24px); }
.ov-rollhead-title { margin: 0; font-size: 20px; font-weight: 700; line-height: 1.3; }
.ov-rollhead p { margin: 0; color: var(--fg-muted, var(--ov-ink-muted)); }

.ov-roll { display: grid; margin: 0; padding: 0; list-style: none; }
.ov-roll-step { position: relative; padding: 0 0 var(--space-8, 32px) 40px; }
.ov-roll-step::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 0;
  left: 10px;
  width: 2px;
  background: var(--ov-border);
}
.ov-roll-step::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 1px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ov-surface);
  box-shadow: inset 0 0 0 2px var(--ov-ink);
}
.ov-roll-step:last-child { padding-bottom: 0; }
.ov-roll-step:last-child::before { display: none; }
.ov-roll-step:last-child::after { background: var(--ov-fix); }
.ov-roll-step > * { margin: 0; }
.ov-roll-k { display: block; font-family: var(--ov-mono); font-size: 12px; color: var(--fg-muted, var(--ov-ink-muted)); }
.ov-roll-step .h-item { margin: 4px 0 6px; }
.ov-roll-step > p { font-size: 15px; line-height: 1.5; color: var(--fg-muted, var(--ov-ink-muted)); }
.ov-who { display: grid; gap: 8px; margin-top: var(--space-4, 16px) !important; }
.ov-who > div { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ov-who dt { min-width: 64px; font-family: var(--ov-mono); font-size: 12px; color: var(--fg-muted, var(--ov-ink-muted)); }
.ov-who dd {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 3px 12px 3px 10px;
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-pill);
  background: var(--ov-surface);
  font-size: 14px;
  font-weight: 600;
  color: var(--ov-ink);
}
@media (min-width: 1024px) {
  .ov-roll { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6, 24px); }
  .ov-roll-step { padding: 40px 0 0; }
  .ov-roll-step::before {
    top: 10px;
    bottom: auto;
    left: 28px;
    right: calc(-1 * var(--space-6, 24px));
    width: auto;
    height: 2px;
  }
  .ov-roll-step::after { top: 0; left: 0; }
}

/* ==========================================================================
   07 Swarm (SwarmSim)
   ========================================================================== */
.panel-body .ov-swarm-svg { display: block; width: 100%; max-width: 680px; height: auto; margin-inline: auto; }
.ov-sw-guided circle { fill: var(--ov-imu); }
.ov-sw-guided text { fill: var(--ov-on-dark-muted); font-family: var(--ov-mono); font-size: 15px; text-anchor: middle; }
.ov-sw-nav circle { fill: #3A3F47; stroke: var(--ov-on-dark-muted); stroke-width: 2; }
.ov-sw-nav-t { fill: var(--ov-on-dark); font-size: 15px; font-weight: 700; text-anchor: middle; }
.ov-sw-role { fill: var(--ov-on-dark-muted); font-family: var(--ov-mono); font-size: 14px; text-anchor: middle; }
[data-swarm][data-active="0"] [data-swarm-nav="0"] circle,
[data-swarm][data-active="1"] [data-swarm-nav="1"] circle { fill: rgba(240, 185, 11, 0.3); stroke: var(--ov-fix); }
.ov-sw-uwb-l { stroke: var(--ov-radar); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0.75; }
.ov-sw-ref-l { fill: none; stroke: var(--ov-est); stroke-width: 1.6; }
.ov-sw-cross-l { fill: none; stroke: var(--ov-imu); stroke-width: 1.2; stroke-dasharray: 1 3; stroke-linecap: round; }
.ov-sw-token { fill: var(--ov-fix); transition: transform var(--ov-base) var(--ov-ease); }
.ov-pcav { margin: var(--space-6, 24px) 0 0; padding: 0; list-style: none; }
.ov-pcav li {
  padding-top: 12px;
  border-top: 1px solid var(--line, var(--ov-line-dark));
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-muted, var(--ov-on-dark-muted));
}
.ov-pcav b { color: var(--fg, var(--ov-on-dark)); }

/* ==========================================================================
   08 Swarm stack (StackArt + OdoFlow)
   ========================================================================== */
.ov-stack {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px 12px;
}
.ov-stack-spine {
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: 4px;
}
.ov-spine-line { flex: 1 1 auto; width: 0; border-left: 1px dashed var(--ov-imu); }
.ov-spine-arrow { width: 0; height: 0; border-inline: 5px solid transparent; }
.ov-spine-arrow.is-up { border-bottom: 8px solid var(--ov-imu); }
.ov-spine-arrow.is-down { border-top: 8px solid var(--ov-imu); }
.ov-stack-bands { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.ov-band {
  display: grid;
  gap: 8px 24px;
  padding: 14px 16px;
  border: 1px solid var(--ov-line-dark);
  border-radius: var(--ov-radius-md);
  background: var(--ov-tint-dark);
}
.ov-band.is-nav { border-color: rgba(240, 185, 11, 0.6); background: rgba(240, 185, 11, 0.1); }
@media (min-width: 1024px) {
  .ov-band { grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); align-items: center; }
}
.ov-band-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.ov-band-head h3 { margin: 0; font-size: 16px; font-weight: 700; color: var(--ov-on-dark); }
.ov-band-tag { font-family: var(--ov-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ov-fix); }
.ov-band ul { display: grid; gap: 4px; margin: 6px 0 0; padding: 0; list-style: none; }
.ov-band li { font-size: 14px; line-height: 1.45; color: var(--ov-on-dark-muted); overflow-wrap: anywhere; }
.ov-band-ex { margin: 0; font-size: 13px; line-height: 1.5; color: var(--ov-on-dark-muted); }
.ov-band-ex span { font-family: var(--ov-mono); color: var(--ov-on-dark); }
.ov-stack-base {
  grid-column: 2;
  display: grid;
  gap: 2px;
  padding: 10px 14px;
  border-radius: var(--ov-radius-md);
  background: var(--ov-on-dark);
  color: var(--ov-ink);
  text-align: center;
}
.ov-stack-base b { font-family: var(--ov-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.06em; }
.ov-stack-base span { font-size: 12px; color: var(--ov-ink-muted); }

.ov-odo { margin-top: var(--space-8, 32px); padding-top: var(--space-6, 24px); border-top: 1px solid var(--ov-line-dark); }
.ov-odo-head { display: grid; gap: 4px; margin-bottom: var(--space-4, 16px); }
.ov-odo-head h3 { margin: 0; font-size: 16px; font-weight: 700; color: var(--ov-on-dark); }
.ov-odo-head span { font-family: var(--ov-mono); font-size: 12px; line-height: 1.5; color: var(--ov-on-dark-muted); }
.ov-odo-lanes { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.ov-lane { display: grid; gap: 6px; }
.ov-lane.is-active { --c: var(--ov-est); --dur: 1.2s; }
.ov-lane.is-standby { --c: var(--ov-imu); --dur: 2.4s; }
.ov-lane.is-guided { --c: var(--ov-radar); --dur: 2.4s; }
@media (min-width: 768px) {
  .ov-lane { grid-template-columns: 210px minmax(0, 1fr); align-items: center; gap: 16px; }
}
.ov-lane-label { font-size: 14px; color: var(--ov-on-dark-muted); }
.ov-lane-label b { font-weight: 600; color: var(--ov-on-dark); }
.ov-lane-track {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ov-mono);
  font-size: 12px;
  color: var(--ov-on-dark-muted);
}
.ov-lane-end { flex: none; }
.ov-lane-run {
  position: relative;
  flex: 1 1 auto;
  min-width: 60px;
  height: 10px;
  overflow: hidden;
  background: linear-gradient(to bottom, transparent 4px, rgba(255, 255, 255, 0.18) 4px, rgba(255, 255, 255, 0.18) 6px, transparent 6px);
}
.ov-odo-total { margin: var(--space-4, 16px) 0 0; font-family: var(--ov-mono); font-size: 13px; color: var(--ov-on-dark); }

/* ==========================================================================
   09 Mission
   ========================================================================== */
.ov-mission { margin: 0; padding: 0; list-style: none; }
.ov-mcard { display: flex; flex-direction: column; height: 100%; box-shadow: var(--ov-shadow); }
.ov-mcard > * { margin: 0; }
.ov-mcard .card-media img { aspect-ratio: 1024 / 683; }
.ov-mcard .eyebrow { margin-bottom: var(--space-2, 8px); }
.ov-mcard .h-item { margin-bottom: var(--space-2, 8px); }
.ov-mcard-body { flex: 1 1 auto; font-size: 15px; line-height: 1.55; color: var(--fg-muted, var(--ov-on-dark-muted)); }
.ov-mcard-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  margin-top: var(--space-5, 20px) !important;
}
.ov-mcard-meta .chip { gap: 8px; }
.ov-mcard-owner { font-family: var(--ov-mono); font-size: 12px; color: var(--fg-muted, var(--ov-on-dark-muted)); }
.ov-mission-fine { margin: var(--space-6, 24px) 0 0; max-width: 72ch; }

/* ==========================================================================
   Small screens
   ========================================================================== */
@media (max-width: 767px) {
  .ov-sensor-name { flex-basis: 78%; }
  .ov-output .ov-wire { flex-basis: 20px; }
  .ov-chain-caption { padding: 12px; }
  .ov-stack { grid-template-columns: 14px minmax(0, 1fr); gap: 8px; }
  .ov-band { padding: 12px; }
}