/* APP SHELL */
#shell {
  height: 100vh;
  width: 100vw;
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w, 290px);
  grid-template-areas: "stage side";
  gap: 2px;
  padding: 2px;
  background: var(--concrete-raised);
  overflow: hidden;
}

.panel {
  background: var(--concrete);
  position: relative;
  overflow: hidden;
  min-width: 0;
}

/* SIDEBAR */
#sidebar {
  --sb-gold-hi: #e6c988;
  --sb-gold: #c9a768;
  --sb-gold-deep: #8a682c;
  --sb-blue: var(--lapis);
  --sb-blue-bright: #2f86cf;
  --sb-blue-glow: rgba(16, 91, 163, 0.4);

  grid-area: side;
  display: flex;
  flex-direction: column;
  height: 100%;
  background:
    radial-gradient(
      ellipse at 50% -12%,
      rgba(201, 167, 104, 0.09) 0%,
      transparent 45%
    ),
    linear-gradient(180deg, #14120d 0%, #0d0e12 22%, #0d0e12 100%);
  border-left: 3px solid var(--ochre-dim);
  box-shadow:
    inset 10px 0 26px rgba(0, 0, 0, 0.55),
    -14px 0 34px rgba(0, 0, 0, 0.4);
  position: relative;
  z-index: 100;
  pointer-events: auto;
  overflow: hidden;
}

#sidebar::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(201, 167, 104, 0.55) 12%,
    rgba(201, 167, 104, 0.55) 88%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 2;
}

#center-register {
  grid-area: stage;
}

/* BRAND / HEADER ROW */
#brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: linear-gradient(180deg, #181a24 0%, #13161f 100%);
  border-bottom: 2px solid var(--sb-gold);
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.6),
    0 6px 18px rgba(0, 0, 0, 0.35);
  user-select: none;
  position: relative;
  z-index: 105;
  cursor: pointer;
  pointer-events: auto;
}

#brand-row:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--scan-teal);
}

#brand-row::before {
  content: "";
  position: absolute;
  top: -30px;
  left: 4px;
  width: 100px;
  height: 100px;
  background: radial-gradient(
    circle,
    rgba(201, 167, 104, 0.16) 0%,
    transparent 68%
  );
  pointer-events: none;
}

#brand-logo {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  cursor: pointer;
  filter: drop-shadow(0 0 6px rgba(201, 167, 104, 0.3));
  transition: transform var(--t-fast) ease;
  position: relative;
  z-index: 1;
}

#brand-logo:hover {
  transform: scale(1.08) rotate(4deg);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 9, 8, 0.7);
  border: 1px solid var(--sb-gold-deep);
  color: var(--sb-gold-hi);
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  padding: 4px 8px;
  border-radius: 2px;
  cursor: pointer;
  transition:
    color var(--t-fast) linear,
    background var(--t-fast) linear,
    border-color var(--t-fast) linear,
    box-shadow var(--t-fast) linear;
  flex-shrink: 0;
  text-transform: uppercase;
}

.back-btn .arrow {
  display: inline-block;
  transition: transform var(--t-fast) linear;
}

.back-label-mobile {
  display: none;
}

.back-btn:hover,
.back-btn:focus-visible {
  border-color: var(--sb-blue-bright);
  color: #bfe0ff;
  background: rgba(16, 91, 163, 0.28);
  box-shadow: 0 0 8px var(--sb-blue-glow);
  outline: none;
}

.back-btn:hover .arrow {
  transform: translateX(3px);
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex-shrink: 0;
}

.logo-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-display);
  letter-spacing: var(--ls-wide);
  line-height: var(--lh-tight);
  text-transform: uppercase;
  background: linear-gradient(
    180deg,
    #f0dcae 0%,
    var(--sb-gold) 55%,
    var(--sb-gold-deep) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.6));
  white-space: nowrap;
}

/* SIDEBAR BLURB */
#sidebar-blurb {
  padding: 18px 22px 6px 22px;
}

#sidebar-blurb p {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--sb-gold-deep);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--lh-loose);
  letter-spacing: var(--ls-tight);
  color: var(--text-secondary);
}

/* NAV LIST */
#nav-list {
  display: flex;
  flex-direction: column;
  padding: 6px 0;
}

.nav-item--archive {
  margin-top: 6px;
  border-top: 1px solid rgba(138, 104, 44, 0.35);
}

.nav-item--archive .n-label {
  color: var(--bone-dim);
}

.nav-item--archive.is-active .n-label,
.nav-item--archive:hover .n-label,
.nav-item--archive:focus-visible .n-label {
  color: var(--bone);
}

.nav-item {
  padding: 14px 18px 14px 22px;
  margin: 0 8px;
  border-bottom: 1px solid rgba(138, 104, 44, 0.22);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-left: 3px solid transparent;
  position: relative;
  transition:
    background var(--t-fast) linear,
    opacity var(--t-fast) linear,
    border-color var(--t-fast) linear,
    box-shadow var(--t-fast) linear;
}

.nav-item::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--sb-blue-bright);
  border-right: 1px solid var(--sb-blue-bright);
  opacity: 0;
  transition: opacity var(--t-fast) linear;
}

.nav-item:hover::after,
.nav-item:focus-visible::after,
.nav-item.is-active::after {
  opacity: 0.85;
}

.nav-item .n-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-md);
  letter-spacing: var(--ls-normal);
  color: var(--text-primary);
  white-space: nowrap;
}

.nav-item .n-idx {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--sb-gold);
}

.nav-item .n-sub {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  color: var(--text-muted);
  text-transform: uppercase;
  padding-left: 26px;
}

/* ACTIVE TRACK STATE */
.nav-item.is-active {
  background: linear-gradient(
    90deg,
    rgba(16, 91, 163, 0.16) 0%,
    rgba(16, 91, 163, 0.04) 70%
  );
  border-left: 4px solid var(--sb-blue-bright);
  box-shadow: inset 3px 0 14px var(--sb-blue-glow);
}

.nav-item.is-active .n-label {
  text-shadow: 0 0 12px rgba(47, 134, 207, 0.4);
}

.nav-item.is-dulled {
  opacity: 0.85;
  filter: none;
}

.nav-item.is-dulled .n-label {
  color: #8a94a6;
  transition: color var(--t-fast) linear;
}

.nav-item.is-dulled:hover,
.nav-item.is-dulled:focus-visible {
  background: rgba(201, 167, 104, 0.09);
  border-left: 3px solid var(--sb-gold);
  box-shadow: inset 3px 0 10px rgba(201, 167, 104, 0.16);
}

.nav-item:focus-visible {
  outline: none;
  border-left-color: var(--scan-teal);
  background: rgba(43, 184, 176, 0.12);
  box-shadow: inset 0 0 0 1px var(--scan-teal);
}

.nav-item.is-dulled:hover .n-label,
.nav-item.is-dulled:focus-visible .n-label {
  color: var(--bone);
}

/* METADATA BLOCK */
#operator-fields {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  flex: 1;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.14) 100%);
}

.field-row {
  position: relative;
  padding: 6px 0 6px 14px;
  border-left: 3px solid var(--sb-gold-deep);
}

.field-row::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 6px;
  width: 6px;
  height: 6px;
  background: var(--sb-gold);
  transform: rotate(45deg);
  box-shadow: 0 0 6px rgba(201, 167, 104, 0.5);
}

.field-row .flabel {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-label);
  color: var(--sb-gold-hi);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.field-row .fvalue {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-primary);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
  word-break: break-all;
}

a.field-row .fvalue,
.field-row a.fvalue {
  text-decoration: none;
}

.field-row .flink {
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition:
    color var(--t-fast) linear,
    border-color var(--t-fast) linear;
}

.field-row .flink:hover,
.field-row .flink:focus-visible {
  color: var(--sb-blue-bright);
  border-bottom-color: var(--sb-blue-bright);
  outline: none;
}

/* SIDEBAR FOOTER */
#sidebar-foot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  background: linear-gradient(180deg, #0d0e12 0%, #111319 100%);
  border-top: 2px solid var(--sb-gold);
  box-shadow: 0 -6px 18px rgba(0, 0, 0, 0.35);
  margin-top: auto;
}

#sidebar-foot button {
  background: linear-gradient(
    180deg,
    var(--sb-gold-hi) 0%,
    var(--sb-gold) 45%,
    var(--sb-gold-deep) 100%
  );
  color: var(--void);
  border: 1px solid var(--sb-gold-deep);
  border-radius: 2px;
  padding: 10px 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 244, 222, 0.4),
    0 2px 6px rgba(0, 0, 0, 0.35);
  transition:
    background var(--t-fast) linear,
    border-color var(--t-fast) linear,
    color var(--t-fast) linear,
    transform var(--t-fast) linear;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sidebar-foot button:hover,
#sidebar-foot button:focus-visible {
  background: linear-gradient(
    180deg,
    #5aa3e0 0%,
    var(--sb-blue-bright) 60%,
    var(--sb-blue) 100%
  );
  border-color: var(--sb-blue);
  color: #f4f8ff;
  transform: translateY(-1px);
  outline: none;
}

#sidebar-foot button span.short {
  display: none !important;
}

#sidebar-foot button span.full {
  display: inline-block !important;
}

/* COLLAPSED SIDEBAR */
#shell.sidebar-collapsed {
  --sidebar-w: 76px;
}

#shell.sidebar-collapsed .back-btn,
#shell.sidebar-collapsed .logo-title,
#shell.sidebar-collapsed #sidebar-blurb,
#shell.sidebar-collapsed #operator-fields,
#shell.sidebar-collapsed .n-sub {
  display: none !important;
}

#shell.sidebar-collapsed #brand-row {
  justify-content: center;
  padding: 20px 8px;
}

#shell.sidebar-collapsed #brand-row::before {
  display: none;
}

#shell.sidebar-collapsed #nav-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: none;
}

#shell.sidebar-collapsed #nav-list::-webkit-scrollbar {
  display: none;
}

#shell.sidebar-collapsed .nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 4px;
  flex-shrink: 0;
  min-height: 46px;
  overflow: visible;
}

#shell.sidebar-collapsed .nav-item .n-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

#shell.sidebar-collapsed .nav-item .n-idx {
  display: none;
}

#shell.sidebar-collapsed #sidebar-foot {
  flex-shrink: 0;
  padding: 8px 6px 12px 6px;
  gap: 4px;
}

#shell.sidebar-collapsed #sidebar-foot button span.full {
  display: none !important;
}

#shell.sidebar-collapsed #sidebar-foot button span.short {
  display: inline-block !important;
}

#shell.sidebar-collapsed #sidebar-foot button {
  padding: 8px 2px;
  font-size: var(--text-2xs);
  letter-spacing: 0.08em;
}

/* CENTER REGISTER */
#center-register {
  position: relative;
  height: 100%;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

#register-scroll {
  height: 100%;
  width: 100%;
  overflow-y: hidden;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--ochre-dim) transparent;
}

#register-scroll.scroll-unlocked {
  overflow-y: auto;
}

.register-view {
  width: 100%;
}

#view-stage {
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

#scan-bay {
  flex: 4;
  position: relative;
  background: radial-gradient(ellipse at 50% 38%, #11141d 0%, var(--void) 74%);
  min-height: 0;
  width: 100%;
  overflow: hidden;
}

#scan-bay canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.bay-hud {
  position: absolute;
  inset: 20px 24px;
  pointer-events: none;
}

.bay-hud .corner-tag {
  position: absolute;
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--text-gold-dim);
  text-transform: uppercase;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.85);
}

.bay-hud .corner-tag.tl {
  top: 0;
  left: 0;
}
.bay-hud .corner-tag.tr {
  top: 0;
  right: 0;
}
.bay-hud .corner-tag.bl {
  bottom: 0;
  left: 0;
}
.bay-hud .corner-tag.br {
  bottom: 0;
  right: 0;
}

.bay-designation {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: var(--ls-wide);
  color: var(--text-primary);
  text-align: center;
  text-shadow: 0 0 18px rgba(43, 184, 176, 0.3);
  pointer-events: none;
  line-height: var(--lh-tight);
  text-transform: uppercase;
}

.bay-designation .sub {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  color: var(--text-accent);
  margin-top: 4px;
  text-transform: uppercase;
}

/* LOWER PROJECT PANEL */
#content-strip {
  flex: 0 0 auto;
  max-height: 38vh;
  background: linear-gradient(180deg, #1c2333 0%, #151b28 100%);
  border-top: 2px solid rgba(209, 161, 76, 0.45);
  padding: 14px 20px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
  position: relative;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
}

#content-strip::before,
#content-strip::after {
  content: "";
  position: absolute;
  top: 6px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--ochre);
  pointer-events: none;
}

#content-strip::before {
  left: 8px;
  border-left: 2px solid var(--ochre);
}

#content-strip::after {
  right: 8px;
  border-right: 2px solid var(--ochre);
}

.strip-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  color: #b7ae9d;
  text-transform: uppercase;
  padding-left: 4px;
}

#project-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-row {
  background: linear-gradient(90deg, #262d3f 0%, #1e2535 100%);
  border-left: 4px solid var(--ochre);
  padding: 18px 20px;
  min-height: 88px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition:
    border-color var(--t-fast) linear,
    background var(--t-fast) linear,
    transform var(--t-fast) ease,
    box-shadow var(--t-fast) linear;
}

.project-row:hover {
  border-color: var(--scan-teal);
  background: linear-gradient(90deg, #303952 0%, #263044 100%);
  transform: translateX(3px);
}

.project-row:focus-visible {
  outline: none;
  border-color: var(--scan-teal);
  background: linear-gradient(90deg, #303952 0%, #263044 100%);
  box-shadow: 0 0 0 2px var(--scan-teal);
}

.project-row .p-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.project-row .p-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  letter-spacing: var(--ls-normal);
  color: #f2ead8;
  line-height: var(--lh-tight);
  text-transform: uppercase;
}

.project-row .p-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--ls-tight);
  color: #cfc5b3;
  line-height: var(--lh-snug);
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-row .p-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  width: auto;
  min-width: 130px;
  text-align: right;
  flex-shrink: 0;
}

.project-row .p-track {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--sb-blue-bright, var(--lapis));
  text-transform: uppercase;
  border: 1px solid rgba(16, 91, 163, 0.4);
  border-radius: 2px;
  padding: 2px 6px;
  white-space: nowrap;
}

.project-row .p-proof {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--text-muted);
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  padding: 2px 6px;
  white-space: nowrap;
}

.project-row .p-proof--live {
  color: var(--scan-teal);
  border-color: rgba(43, 184, 176, 0.45);
}

.project-row .p-proof--video {
  color: var(--sb-gold, var(--ochre));
  border-color: rgba(198, 138, 46, 0.45);
}

.project-row .p-open {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--scan-teal);
  opacity: 0.7;
  white-space: nowrap;
  transition: opacity var(--t-fast) linear;
}

.project-row:hover .p-open,
.project-row:focus-visible .p-open {
  opacity: 1;
}

.project-row .p-status {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: #b4ab9a;
  text-transform: uppercase;
  white-space: nowrap;
}

.project-row .p-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--scan-teal);
  box-shadow: 0 0 5px var(--scan-teal);
  flex-shrink: 0;
}

/* PROJECT DETAIL PANEL */
#project-detail {
  display: none;
  position: fixed;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 50% 0%,
      rgba(70, 90, 120, 0.22) 0%,
      transparent 55%
    ),
    linear-gradient(180deg, #171b27 0%, #10131b 100%);
  flex-direction: column;
  z-index: 300;
}

/* Hide list + bay home slot while detail covers — prevents flash of leftover UI */
#view-stage.is-detail-open > #scan-bay,
#view-stage.is-detail-open > #content-strip {
  visibility: hidden;
  pointer-events: none;
}

.detail-back {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  margin: 20px 0 0 28px;
  padding: 7px 14px;
  background: #243044;
  border: 1px solid rgba(209, 161, 76, 0.55);
  color: #e4dccb;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  z-index: 2;
  transition:
    border-color var(--t-fast) linear,
    color var(--t-fast) linear,
    box-shadow var(--t-fast) linear;
}

.detail-back:hover {
  border-color: var(--scan-teal);
  color: var(--bone);
}

.detail-back:focus-visible {
  outline: none;
  border-color: var(--scan-teal);
  color: var(--bone);
  box-shadow: 0 0 0 2px var(--scan-teal);
}

.detail-back .arrow {
  font-size: 11px;
  transform: translateY(-0.5px);
}

#detail-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
  scroll-snap-type: none;
  -webkit-overflow-scrolling: touch;
}

.detail-page {
  min-height: auto;
  box-sizing: border-box;
  padding: 24px 48px 36px 48px;
}

.detail-page-1 {
  display: grid;
  grid-template-columns: minmax(320px, 1.35fr) minmax(280px, 0.9fr);
  grid-template-rows: minmax(320px, 1fr) auto;
  column-gap: 40px;
  row-gap: 22px;
  align-content: stretch;
  min-height: calc(100vh - 120px);
}

.detail-info-col {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 8px;
  min-width: 0;
}

.detail-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  color: var(--text-accent);
  text-transform: uppercase;
}

.detail-title-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.detail-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  letter-spacing: var(--ls-normal);
  color: var(--text-primary);
  margin: 0;
  line-height: var(--lh-tight);
  text-transform: uppercase;
}

.detail-status {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: #d4c7a8;
  text-transform: uppercase;
  border: 1px solid rgba(209, 161, 76, 0.55);
  border-radius: 2px;
  padding: 4px 10px;
  white-space: nowrap;
}

.detail-skills-label {
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  color: #b7ae9d;
  text-transform: uppercase;
  margin-top: 4px;
}

.detail-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.detail-tool-pill {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: #7eb6ef;
  text-transform: uppercase;
  border: 1px solid rgba(80, 150, 220, 0.55);
  border-radius: 2px;
  padding: 5px 10px;
  white-space: nowrap;
  background: rgba(16, 91, 163, 0.12);
}

.detail-desc {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.15vw, 1.05rem);
  line-height: var(--lh-body);
  color: #ddd3c1;
  margin: 6px 0 0 0;
  max-width: none;
  letter-spacing: var(--ls-tight);
  flex: 1;
}

/* TV CHASSIS */
.detail-tv {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-self: stretch;
  min-height: 360px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
    linear-gradient(155deg, #2a2016 0%, #4a3722 40%, #1c140c 100%);
  border: 2px solid #5a432b;
  border-radius: 20px;
  padding: 18px;
  position: relative;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.75),
    inset 0 1px 1px rgba(255, 230, 180, 0.25),
    inset 0 -2px 8px rgba(0, 0, 0, 0.8);
}

.tv-screw {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, #8a682c 30%, #2a1f13 90%);
  border: 1px solid #c9a768;
  position: absolute;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
}
.tv-screw.top-left {
  top: 8px;
  left: 8px;
}
.tv-screw.top-right {
  top: 8px;
  right: 8px;
}

.detail-tv-screen {
  flex: 1;
  min-height: 280px;
  background: radial-gradient(ellipse at 50% 40%, #1a2a34 0%, #0b1218 70%);
  border: 4px solid #2a1f16;
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  transform: translateZ(0);
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  box-shadow:
    inset 0 0 28px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(201, 167, 104, 0.22);
}

.detail-tv-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.18) 50%);
  background-size: 100% 4px;
  z-index: 2;
  opacity: 0.35;
}

.detail-tv-screen #scan-bay {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  flex: none;
  background: radial-gradient(
    ellipse at 50% 42%,
    #243348 0%,
    #121925 60%,
    #0d121a 100%
  );
}

.detail-tv-screen #scan-bay .bay-designation,
.detail-tv-screen #scan-bay .bay-hud {
  display: none;
}

.detail-tv-panel {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
}

.tv-knob {
  border-radius: 50%;
  border: 2px solid #c9a768;
  background: radial-gradient(circle at 35% 30%, #8a682c, #1a120b 80%);
  box-shadow:
    0 2px 5px rgba(0, 0, 0, 0.6),
    inset 0 1px 2px rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.tv-knob:hover {
  transform: rotate(15deg);
}

.tv-knob--lg {
  width: 22px;
  height: 22px;
}
.tv-knob--sm {
  width: 14px;
  height: 14px;
}

.tv-vents {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.tv-vents i {
  display: block;
  width: 3px;
  height: 18px;
  background: #140d09;
  border-right: 1px solid rgba(201, 167, 104, 0.2);
  border-radius: 1px;
}

.tv-led {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-left: auto;
  background: #00ff88;
  box-shadow:
    0 0 6px 1px #00ff88,
    0 0 12px 3px rgba(0, 255, 136, 0.5);
  animation: tv-led-pulse 2s ease-in-out infinite;
}

@keyframes tv-led-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.92);
  }
}

/* DEMO STRIP */
.detail-demo-wrap {
  grid-column: 1 / span 2;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--ls-eyebrow);
  color: var(--text-gold);
  text-transform: uppercase;
}

.detail-demo {
  min-height: 120px;
  padding: 18px 20px;
  background: #1f2738;
  border: 1px dashed rgba(209, 161, 76, 0.45);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-demo-placeholder {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  color: var(--text-muted);
  text-transform: uppercase;
}

.detail-proof-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  width: 100%;
}

.detail-proof-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(209, 161, 76, 0.4);
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  color: #e6dcc9;
  background: rgba(255, 255, 255, 0.05);
  transition:
    color var(--t-fast) linear,
    border-color var(--t-fast) linear,
    background var(--t-fast) linear;
}

.detail-proof-link:hover,
.detail-proof-link:focus-visible {
  color: var(--sb-blue-bright, var(--lapis));
  border-color: var(--sb-blue-bright, var(--lapis));
  background: rgba(16, 91, 163, 0.12);
  outline: none;
}

.detail-proof-link.is-primary {
  color: var(--sb-gold, var(--ochre));
  border-color: var(--sb-gold, var(--ochre));
  background: rgba(198, 138, 46, 0.08);
}

.detail-proof-link.is-primary:hover,
.detail-proof-link.is-primary:focus-visible {
  color: var(--sb-blue-bright, var(--lapis));
  border-color: var(--sb-blue-bright, var(--lapis));
}

/* PAGE 2: ENGINEERING NOTES */
.detail-page-2 {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid rgba(143, 134, 116, 0.28);
  padding-top: 48px;
  padding-bottom: 48px;
  min-height: 42vh;
}

.detail-more {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  line-height: 1.75;
  color: #ddd3c1;
  margin: 0;
  max-width: none;
  width: 100%;
  letter-spacing: var(--ls-tight);
  column-count: 2;
  column-gap: 48px;
}

@media (max-width: 900px) {
  .detail-page-1 {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    min-height: 0;
  }

  .detail-more {
    column-count: 1;
  }

  .detail-tv {
    grid-column: 1;
    grid-row: 2;
  }

  .detail-demo-wrap {
    grid-column: 1;
    grid-row: 3;
  }
}

/* DOC VIEWS */
.register-doc {
  min-height: 100%;
  display: flex;
  align-items: flex-start;
  background:
    radial-gradient(
      ellipse at 50% 0%,
      rgba(201, 167, 104, 0.07) 0%,
      transparent 58%
    ),
    var(--void);
  border-top: 2px solid var(--ochre-dim);
}

/* Secret vault overlays — not in About/Contact scroll */
.secret-doc-page {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 12;
  overflow-y: auto;
  background:
    radial-gradient(
      ellipse at 50% 0%,
      rgba(201, 167, 104, 0.07) 0%,
      transparent 58%
    ),
    var(--void);
  border-top: 2px solid var(--ochre-dim);
}

.secret-doc-page.is-open {
  display: block;
}

.doc-inner {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 72px 48px 88px;
}

.doc-layout {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.doc-header {
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(138, 104, 44, 0.28);
}

.doc-lead {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  color: var(--text-muted);
  text-transform: uppercase;
}

.doc-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.75fr);
  gap: 48px;
  align-items: start;
}

.doc-prose {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.doc-prose--contact {
  max-width: 62ch;
}

.doc-eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  color: var(--sb-blue-bright, var(--lapis));
  margin-bottom: 10px;
  text-transform: uppercase;
}

.doc-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3vw, var(--text-2xl));
  letter-spacing: var(--ls-normal);
  margin: 0;
  line-height: var(--lh-tight);
  text-transform: none;
  background: linear-gradient(
    180deg,
    #f0dcae 0%,
    var(--sb-gold, var(--ochre)) 55%,
    var(--sb-gold-deep, var(--ochre-dim)) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.doc-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-loose);
  color: var(--text-primary);
  max-width: 62ch;
  margin: 0 0 20px 0;
  letter-spacing: var(--ls-tight);
  min-height: 1.65em;
}

.doc-type-line.is-typing::after {
  content: "▌";
  display: inline;
  margin-left: 2px;
  color: var(--text-accent);
  animation: doc-cursor-blink 0.85s step-end infinite;
}

.doc-type-line.is-complete::after {
  content: none;
}

.doc-typing-done .doc-type-line--accent {
  color: var(--text-accent);
}

@keyframes doc-cursor-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.doc-aside {
  padding: 22px 22px 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(138, 104, 44, 0.28);
  border-left: 3px solid var(--sb-gold, var(--ochre));
  border-radius: 2px;
}

.doc-aside-label {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-gold-hi);
}

.doc-facts {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.doc-reveal-block {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 520ms var(--snap),
    transform 520ms var(--snap);
  pointer-events: none;
}

.doc-reveal-block.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.doc-footnote {
  margin-top: 28px;
  margin-bottom: 0;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

.doc-fact {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(138, 104, 44, 0.18);
}

.doc-fact:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.doc-fact-k {
  width: 110px;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--sb-gold-hi, var(--ochre));
}

.doc-fact-v {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-primary);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
}

.doc-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .doc-inner {
    padding: 48px 24px 64px;
  }

  .doc-layout-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .doc-aside {
    order: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .doc-reveal-block {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .doc-type-line.is-typing::after {
    content: none;
  }
}

/* SLIDE-IN ANIMATION */
.doc-link-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: var(--sb-gold, var(--ochre));
  transition: fill var(--t-fast) linear;
}

.doc-link:hover .doc-link-icon,
.doc-link:focus-visible .doc-link-icon {
  fill: var(--sb-blue-bright, var(--lapis));
}

.doc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex: 1 1 280px;
  min-height: 72px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(138, 104, 44, 0.32);
  border-left: 3px solid var(--sb-gold, var(--ochre));
  border-radius: 2px;
  text-decoration: none;
  transition:
    border-color var(--t-fast) linear,
    background var(--t-fast) linear,
    transform var(--t-fast) linear;
}

.doc-link-label {
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-link:hover,
.doc-link:focus-visible {
  border-color: var(--sb-blue-bright, var(--lapis));
  border-left-color: var(--sb-blue-bright, var(--lapis));
  background: rgba(16, 91, 163, 0.1);
  transform: translateX(3px);
  outline: none;
}

.doc-link-k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-primary);
  flex-shrink: 0;
}

.doc-link-v {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  word-break: break-all;
  text-align: right;
}

/* SLIDE-IN ANIMATION */
#sidebar,
#center-register {
  transform: translateX(16px);
  opacity: 0;
  transition:
    transform 620ms var(--snap),
    opacity 420ms linear;
}

#shell.booted #sidebar,
#shell.booted #center-register {
  transform: translateX(0);
  opacity: 1;
}

/* ---- SCENE LOAD ERROR FALLBACK ---- */
/* Shown in #hero-bay / #scan-bay when THREE.js fails to load (CDN
   blocked) or WebGL is unavailable, instead of leaving those containers
   silently blank with no explanation. */
.scene-load-error {
  width: 100%;
  height: 100%;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bone-dim);
  background: radial-gradient(ellipse at 50% 38%, #11141d 0%, var(--void) 74%);
}