:root {
  --bg: #0a0e0f;
  --bg-elev: #12181a;
  --bg-panel: #161d20;
  --bezel: #232c30;
  --bezel-hi: #2f3a3f;
  --ink: #d8dee1;
  --ink-dim: #8a969b;
  --ink-mute: #5a6367;
  --amber: #ffb020;
  --amber-glow: rgba(255, 176, 32, 0.55);
  --green: #2ee06a;
  --green-glow: rgba(46, 224, 106, 0.55);
  --red: #ff4a3d;
  --red-glow: rgba(255, 74, 61, 0.55);
  --blue: #4ab6ff;
  --blue-glow: rgba(74, 182, 255, 0.55);
  --rail: #1a2124;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --display: 'Archivo', var(--sans);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, rgba(74, 182, 255, 0.04), transparent 60%),
    radial-gradient(ellipse at bottom, rgba(255, 176, 32, 0.03), transparent 60%),
    var(--bg);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.panel {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 96px;
}

.masthead {
  border: 1px solid var(--bezel);
  border-radius: 10px;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-elev));
  padding: 22px 24px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.masthead::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,0.015) 0 2px,
      transparent 2px 4px
    );
  pointer-events: none;
}
.masthead h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
}
.masthead .sub {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.mast-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.mast-nav {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  align-items: center;
}
.mast-nav a {
  padding: 7px 12px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  text-decoration: none;
  border: 1px solid transparent;
}
.mast-nav a:hover { color: var(--ink); text-decoration: none; }
.mast-nav a.active {
  color: var(--ink);
  border-color: var(--bezel);
  background: rgba(255,255,255,0.03);
}

.tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-elev);
  padding: 4px;
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: 1;
  min-width: 110px;
  padding: 10px 14px;
  background: transparent;
  color: var(--ink-dim);
  border: none;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] {
  background: var(--bezel);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--bezel-hi);
}

.section { display: none; }
.section[data-active="true"] { display: block; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 12px;
  padding: 0 4px;
}
.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}
.section-head .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.section-sub {
  margin: -6px 4px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.subhead {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 24px 4px 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rail);
}
.subhead:first-child { margin-top: 0; }

.panel-diagram {
  margin: 0 0 18px;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top, rgba(74, 182, 255, 0.04), transparent 60%),
    linear-gradient(180deg, #12181a, #0a0e0f);
  padding: 10px;
}
.panel-diagram svg {
  display: block;
  width: 100%;
  height: auto;
}
.panel-diagram-cap {
  padding: 8px 10px 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  text-align: center;
}

.banner {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 0 0 18px;
  background: var(--bg-panel);
  position: relative;
}
.banner .led {
  margin-top: 6px;
  width: 14px;
  height: 14px;
}
.banner-body { flex: 1; }
.banner-title {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 6px;
  color: var(--ink);
}
.banner-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-dim);
}
.banner-danger {
  border-color: rgba(255, 74, 61, 0.45);
  background:
    linear-gradient(180deg, rgba(255, 74, 61, 0.06), rgba(255, 74, 61, 0.02)),
    var(--bg-panel);
}
.banner-danger .banner-title { color: var(--red); }
.banner-warning {
  border-color: rgba(255, 176, 32, 0.45);
  background:
    linear-gradient(180deg, rgba(255, 176, 32, 0.06), rgba(255, 176, 32, 0.02)),
    var(--bg-panel);
}
.banner-warning .banner-title { color: var(--amber); }
.banner-verify {
  border-color: rgba(46, 224, 106, 0.4);
  background:
    linear-gradient(180deg, rgba(46, 224, 106, 0.05), rgba(46, 224, 106, 0.02)),
    var(--bg-panel);
}
.banner-verify .banner-title { color: var(--green); }
.banner-info {
  border-color: rgba(255, 176, 32, 0.28);
}
.banner-info .banner-title { color: var(--amber); }

.legend-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 6px 4px;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
}
.legend-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  font-size: 14px;
  border-top: 1px solid var(--rail);
  color: var(--ink-dim);
}
.legend-list li:first-child { border-top: none; }
.legend-list li strong {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  min-width: 60px;
}

.steps.no-index .step-index { display: none; }
.steps.no-index .step { gap: 12px; }

.spec-group {
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
  overflow: hidden;
  margin-bottom: 16px;
}
.spec-group h3 {
  margin: 0;
  padding: 12px 16px;
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--bg-elev);
  border-bottom: 1px solid var(--bezel);
}
.spec-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--rail);
  font-size: 14px;
}
.spec-row:first-of-type { border-top: none; }
.spec-row .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.spec-row .v { color: var(--ink); }
.spec-row .n { color: var(--ink-dim); font-size: 13px; }
@media (max-width: 640px) {
  .spec-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 14px; }
  .spec-row .n { font-size: 12.5px; }
}

.vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.vendor {
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
  padding: 14px 16px;
}
.vendor .cat {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.vendor .name {
  font-family: var(--display);
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}
.vendor .line {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-dim);
  margin-top: 3px;
}
.vendor a { color: var(--blue); }

.doc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
}
.doc-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--rail);
  font-size: 14px;
}
.doc-list li:first-child { border-top: none; }
.doc-list .doc-title { color: var(--ink); }
.doc-list .doc-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.doc-list .pending {
  color: var(--amber);
  border: 1px solid rgba(255, 176, 32, 0.35);
  background: rgba(255, 176, 32, 0.04);
  border-radius: 3px;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kb-search {
  display: flex;
  gap: 8px;
  margin: 4px 0 16px;
}
.kb-search input {
  flex: 1;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 15px;
  background: var(--bg-panel);
  border: 1px solid var(--bezel);
  border-radius: 6px;
  color: var(--ink);
  outline: none;
}
.kb-search input:focus { border-color: var(--blue); }
.kb-search .clear {
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--bezel);
  color: var(--ink-dim);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}
.kb-search .clear:hover { color: var(--ink); }

.kb-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kb-card {
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
  padding: 16px 18px;
}
.kb-card .q {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 15px;
  color: var(--ink);
  line-height: 1.4;
}
.kb-card .a {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-dim);
}
.kb-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.kb-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border: 1px solid var(--bezel);
  border-radius: 3px;
  padding: 3px 8px;
  background: var(--bg-elev);
}
.kb-meter {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.kb-empty {
  padding: 30px 16px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px dashed var(--bezel);
  border-radius: 8px;
}

.manual-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 4px 0 12px;
  padding: 12px 14px;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
}
.manual-toolbar .hint {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.manual-toolbar .open-btn {
  padding: 9px 14px;
  background: var(--bezel);
  color: var(--ink);
  border: 1px solid var(--bezel-hi);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}
.manual-toolbar .open-btn:hover { background: var(--bezel-hi); text-decoration: none; }

.manual-frame {
  width: 100%;
  height: 80vh;
  min-height: 500px;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
  display: block;
}
.manual-fallback {
  margin-top: 12px;
  padding: 14px 16px;
  border: 1px dashed var(--bezel);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.5;
}
.manual-fallback strong { color: var(--ink); }

.bay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 0 0 20px;
}
.bay {
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}
.bay.pass-through {
  border-color: rgba(255, 176, 32, 0.35);
  background:
    linear-gradient(180deg, rgba(255, 176, 32, 0.04), rgba(255, 176, 32, 0.01)),
    var(--bg-panel);
}
.bay-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.bay-label {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.bay-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid rgba(255, 176, 32, 0.35);
  background: rgba(255, 176, 32, 0.05);
  border-radius: 3px;
  padding: 3px 7px;
  white-space: nowrap;
}
.bay-contents {
  padding: 10px 0;
  border-top: 1px solid var(--rail);
  border-bottom: 1px solid var(--rail);
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.5;
  min-height: 48px;
}
.bay-contents.empty {
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.bay-contents .primary {
  display: block;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.bay-contents ul {
  margin: 0;
  padding-left: 16px;
}
.bay-contents li {
  margin-bottom: 3px;
  line-height: 1.45;
}
.bay-contents .sub {
  display: block;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 8px;
  margin-bottom: 4px;
}
.bay-photo {
  margin-top: 12px;
  height: 140px;
  border: 1px dashed var(--bezel);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: var(--bg-elev);
  overflow: hidden;
}
.bay-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.bay-chip {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding: 3px 10px;
  background: var(--bezel);
  border: 1px solid var(--bezel-hi);
  border-radius: 4px;
  text-decoration: none;
  min-width: 40px;
  text-align: center;
}
.bay-chip:hover { background: var(--bezel-hi); text-decoration: none; }
.legend-list li .bay-chip { min-width: 44px; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--bezel);
  border-radius: 8px;
  background: var(--bg-panel);
  overflow: hidden;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-top: 1px solid var(--rail);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}
.step:first-child { border-top: none; }
.step:hover { background: rgba(255,255,255,0.02); }
.step[data-checked="true"] { background: rgba(46, 224, 106, 0.04); }
.step[data-checked="true"] .step-body { color: var(--ink-mute); text-decoration: line-through; text-decoration-color: rgba(255,255,255,0.15); }

.step-index {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  min-width: 26px;
  padding-top: 4px;
  letter-spacing: 0.06em;
}
.step-body { flex: 1; font-size: 15px; line-height: 1.45; }
.step-body .note {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
}

.led {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
  background: #1c2427;
  box-shadow:
    inset 0 0 0 1px rgba(0,0,0,0.5),
    inset 0 1px 2px rgba(0,0,0,0.6);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.led.amber { background: var(--amber); box-shadow: 0 0 8px var(--amber-glow), inset 0 0 4px rgba(255,255,255,0.35); }
.led.green { background: var(--green); box-shadow: 0 0 10px var(--green-glow), inset 0 0 4px rgba(255,255,255,0.35); }
.led.red   { background: var(--red);   box-shadow: 0 0 10px var(--red-glow),   inset 0 0 4px rgba(255,255,255,0.35); }
.led.blue  { background: var(--blue);  box-shadow: 0 0 10px var(--blue-glow),  inset 0 0 4px rgba(255,255,255,0.35); }

.step[data-checked="true"] .led.amber { background: var(--green); box-shadow: 0 0 10px var(--green-glow), inset 0 0 4px rgba(255,255,255,0.35); }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 14px 4px 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.legend-item { display: inline-flex; align-items: center; gap: 8px; }

.footer {
  margin-top: 40px;
  padding: 14px 4px;
  border-top: 1px solid var(--rail);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.reset-btn {
  background: transparent;
  border: 1px solid var(--bezel);
  color: var(--ink-dim);
  padding: 6px 12px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.reset-btn:hover { color: var(--ink); border-color: var(--bezel-hi); }

@media (max-width: 520px) {
  .panel { padding: 16px 12px 80px; }
  .masthead { padding: 16px 18px; }
  .masthead h1 { font-size: 18px; }
  .step { padding: 12px 14px; gap: 12px; }
  .step-body { font-size: 14.5px; }
}