.signal-mode-page {
  min-height: 100vh;
  overflow: hidden;
  background: #020712;
}

.signal-scene {
  --signal-stage: 0;
  --signal-progress: 0%;
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  isolation: isolate;
  color: var(--text);
  overflow: hidden;
}

.signal-bg,
.signal-bg::before,
.signal-bg::after,
.signal-scan-grid {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.signal-bg {
  z-index: -4;
  background:
    radial-gradient(circle at 50% 42%, rgba(85, 183, 255, 0.18), transparent 30rem),
    radial-gradient(circle at 88% 12%, rgba(132, 117, 255, 0.12), transparent 25rem),
    radial-gradient(circle at 8% 86%, rgba(55, 220, 183, 0.08), transparent 24rem),
    linear-gradient(180deg, #020712 0%, #06101d 54%, #020712 100%);
}

.signal-bg::before {
  z-index: -3;
  opacity: 0.28;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(85, 183, 255, 0.09) 50%, transparent 50.2%),
    linear-gradient(0deg, transparent 49.8%, rgba(85, 183, 255, 0.07) 50%, transparent 50.2%);
  background-size: 160px 160px;
}

.signal-bg::after {
  z-index: -2;
  opacity: 0.17;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 7px);
}

.signal-scan-grid {
  z-index: -1;
  opacity: 0.22;
  background: linear-gradient(90deg, transparent, rgba(85, 183, 255, 0.12), transparent);
  transform: translateX(-100%);
  animation: signal-scan 9s linear infinite;
}

.signal-topbar {
  width: calc(100% - 24px);
  min-height: 58px;
  margin: 10px auto 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 9px;
  background: rgba(2, 7, 18, 0.8);
  backdrop-filter: blur(16px);
}

.signal-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
}

.signal-brand img {
  filter: drop-shadow(0 0 12px rgba(85, 183, 255, 0.35));
}

.signal-brand span {
  display: grid;
  line-height: 1.05;
}

.signal-brand small {
  color: var(--blue-2);
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.signal-run-state {
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-live-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #67e8c1;
  box-shadow: 0 0 12px rgba(103, 232, 193, 0.72);
  animation: signal-live 1.6s ease-in-out infinite;
}

.signal-mode-page.is-paused .signal-live-dot,
.signal-mode-page.is-complete .signal-live-dot {
  background: #9bd8ff;
  animation: none;
}

.signal-run-divider {
  width: 1px;
  height: 1rem;
  background: rgba(155, 216, 255, 0.2);
}

.signal-control-trigger,
.signal-controls button,
.signal-controls a {
  min-height: 36px;
  border: 1px solid rgba(155, 216, 255, 0.24);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  padding: 0.45rem 0.65rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
}

.signal-control-trigger {
  display: none;
}

.signal-console {
  width: calc(100% - 24px);
  min-height: 0;
  margin: 10px auto;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: clamp(0.65rem, 1vw, 1rem);
  padding: clamp(0.8rem, 1.4vw, 1.25rem);
  border: 1px solid rgba(155, 216, 255, 0.17);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(7, 17, 31, 0.86), rgba(2, 8, 16, 0.78));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 30px 100px rgba(0, 0, 0, 0.26);
  overflow: auto;
}

.signal-console-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 1.5rem;
  align-items: end;
}

.signal-console-head h1 {
  margin: 0.1rem 0 0;
  font-size: clamp(1.8rem, 3vw, 3.4rem);
}

.signal-console-head > p {
  justify-self: end;
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  text-align: right;
}

.signal-stage-track {
  position: relative;
  padding-top: 1.15rem;
}

.signal-route {
  position: absolute;
  left: calc(100% / 14);
  right: calc(100% / 14);
  top: 0.42rem;
  height: 2px;
  background: rgba(155, 216, 255, 0.15);
  overflow: visible;
}

.signal-route span {
  display: block;
  width: var(--signal-progress);
  height: 100%;
  background: linear-gradient(90deg, #55b7ff, #67e8c1);
  box-shadow: 0 0 14px rgba(85, 183, 255, 0.62);
  transition: width 520ms ease;
}

.signal-route i {
  position: absolute;
  left: var(--signal-progress);
  top: 50%;
  width: 11px;
  height: 11px;
  border: 2px solid #d7f3ff;
  border-radius: 50%;
  background: #55b7ff;
  box-shadow: 0 0 18px rgba(85, 183, 255, 0.85);
  transform: translate(-50%, -50%);
  transition: left 520ms ease;
}

.signal-stages {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-stage {
  width: 100%;
  min-height: 94px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0.35rem 0.5rem;
  align-items: start;
  border: 1px solid rgba(155, 216, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  padding: 0.55rem;
  font: inherit;
  text-align: left;
  transition: border-color 220ms ease, background 220ms ease, transform 220ms ease, opacity 220ms ease;
}

.signal-stage:hover,
.signal-stage:focus-visible {
  border-color: rgba(155, 216, 255, 0.5);
}

.signal-stage-index {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border: 1px solid rgba(155, 216, 255, 0.2);
  border-radius: 50%;
  color: var(--blue-2);
  font-size: 0.66rem;
  font-weight: 900;
}

.signal-stage-copy {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.signal-stage-copy strong {
  font-size: clamp(0.72rem, 0.8vw, 0.87rem);
  line-height: 1.15;
}

.signal-stage-copy small {
  color: var(--muted);
  font-size: 0.66rem;
  line-height: 1.2;
}

.signal-stage-state {
  grid-column: 1 / -1;
  color: rgba(155, 216, 255, 0.58);
  font-size: 0.61rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-stage.is-complete {
  border-color: rgba(103, 232, 193, 0.26);
  background: rgba(103, 232, 193, 0.045);
}

.signal-stage.is-complete .signal-stage-index {
  border-color: rgba(103, 232, 193, 0.42);
  color: #67e8c1;
}

.signal-stage.is-active {
  z-index: 2;
  border-color: #55b7ff;
  background: rgba(85, 183, 255, 0.13);
  box-shadow: 0 0 0 1px rgba(85, 183, 255, 0.12), 0 0 30px rgba(85, 183, 255, 0.08);
  transform: translateY(-3px);
}

.signal-stage.is-active .signal-stage-state {
  color: #d7f3ff;
}

.signal-operation-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(250px, 0.82fr) minmax(340px, 1.15fr) minmax(250px, 0.82fr);
  gap: clamp(0.65rem, 1vw, 1rem);
  align-items: stretch;
}

.signal-card,
.signal-core-card {
  min-width: 0;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.028);
}

.signal-card {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: clamp(0.75rem, 1.2vw, 1rem);
}

.signal-card-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  color: var(--blue-2);
  font-size: 0.71rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-card-badge {
  border: 1px solid rgba(155, 216, 255, 0.2);
  border-radius: 999px;
  padding: 0.18rem 0.45rem;
  color: var(--muted);
  font-size: 0.58rem;
}

.signal-packet-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}

.signal-packet-list div {
  display: grid;
  grid-template-columns: minmax(80px, 0.42fr) minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.52rem 0;
  border-top: 1px solid rgba(155, 216, 255, 0.1);
}

.signal-packet-list dt {
  color: var(--muted);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.signal-packet-list dd {
  color: var(--text);
  font-size: 0.78rem;
  text-align: right;
}

.signal-card-foot {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.signal-core-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, 0.8fr) minmax(0, 1fr);
  place-items: center;
  gap: 1rem;
  padding: clamp(0.8rem, 1.5vw, 1.25rem);
  overflow: hidden;
}

.signal-core-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background: radial-gradient(circle at 32% 50%, rgba(85, 183, 255, 0.16), transparent 40%);
  pointer-events: none;
}

.signal-core-visual {
  position: relative;
  width: min(18vw, 220px);
  min-width: 150px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.signal-core-visual img {
  width: 68%;
  filter: drop-shadow(0 0 24px rgba(85, 183, 255, 0.46));
  animation: signal-core-breathe 3.2s ease-in-out infinite;
}

.signal-orbit,
.signal-core-pulse {
  position: absolute;
  border-radius: 50%;
}

.signal-orbit {
  inset: 4%;
  border: 1px solid rgba(85, 183, 255, 0.2);
  animation: signal-orbit 13s linear infinite;
}

.signal-orbit::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9bd8ff;
  box-shadow: 0 0 12px rgba(155, 216, 255, 0.78);
}

.signal-orbit-b {
  inset: 17%;
  animation-direction: reverse;
  animation-duration: 8s;
}

.signal-core-pulse {
  inset: 29%;
  border: 1px solid rgba(85, 183, 255, 0.52);
  animation: signal-core-pulse 2.1s ease-out infinite;
}

.signal-core-copy {
  position: relative;
  z-index: 1;
}

.signal-core-copy h2 {
  margin: 0.25rem 0 0.55rem;
  font-size: clamp(1.45rem, 2.2vw, 2.45rem);
}

.signal-core-copy p:last-child {
  margin: 0;
  color: var(--muted);
}

.signal-receipt-card {
  position: relative;
  overflow: hidden;
}

.signal-receipt-seal {
  justify-self: end;
  width: 86px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 2px solid rgba(155, 216, 255, 0.18);
  border-radius: 50%;
  color: rgba(155, 216, 255, 0.42);
  font-size: 0.58rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  transform: rotate(-8deg);
  transition: color 350ms ease, border-color 350ms ease, box-shadow 350ms ease;
}

.signal-receipt-card.is-sealed .signal-receipt-seal {
  border-color: rgba(103, 232, 193, 0.72);
  color: #67e8c1;
  box-shadow: 0 0 26px rgba(103, 232, 193, 0.14);
}

.signal-telemetry {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(155, 216, 255, 0.13);
  border-radius: 8px;
  background: rgba(155, 216, 255, 0.12);
  overflow: hidden;
}

.signal-telemetry div {
  min-width: 0;
  display: grid;
  gap: 0.2rem;
  padding: 0.55rem 0.65rem;
  background: rgba(2, 8, 16, 0.92);
}

.signal-telemetry span {
  color: var(--muted);
  font-size: 0.61rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-telemetry strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.74rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-controls {
  width: min(980px, calc(100% - 24px));
  margin: 0 auto 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(2, 7, 18, 0.84);
  backdrop-filter: blur(14px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.signal-controls.is-idle:not(:focus-within) {
  opacity: 0.12;
  transform: translateY(3px);
}

.signal-controls button[aria-pressed="true"],
.signal-controls button:hover,
.signal-controls a:hover {
  border-color: #55b7ff;
  background: rgba(85, 183, 255, 0.13);
}

.signal-mode-page.is-paused .signal-scan-grid,
.signal-mode-page.is-paused .signal-live-dot,
.signal-mode-page.is-paused .signal-core-visual img,
.signal-mode-page.is-paused .signal-orbit,
.signal-mode-page.is-paused .signal-core-pulse,
.signal-mode-page.reduced-preview .signal-scan-grid,
.signal-mode-page.reduced-preview .signal-live-dot,
.signal-mode-page.reduced-preview .signal-core-visual img,
.signal-mode-page.reduced-preview .signal-orbit,
.signal-mode-page.reduced-preview .signal-core-pulse {
  animation-play-state: paused;
}

.signal-mode-page.no-scanlines .signal-bg::after,
.signal-mode-page.no-scanlines .signal-scan-grid {
  display: none;
}

.signal-mode-page.is-kiosk .signal-control-trigger,
.signal-mode-page.is-kiosk .signal-controls {
  opacity: 0;
  pointer-events: none;
}

.signal-mode-page.is-kiosk .signal-topbar {
  grid-template-columns: auto minmax(0, 1fr);
}

.signal-mode-page.is-kiosk .signal-run-state {
  justify-self: end;
}

@keyframes signal-scan {
  to { transform: translateX(100%); }
}

@keyframes signal-live {
  0%, 100% { opacity: 0.45; transform: scale(0.86); }
  50% { opacity: 1; transform: scale(1.12); }
}

@keyframes signal-core-breathe {
  0%, 100% { transform: scale(0.98); }
  50% { transform: scale(1.025); }
}

@keyframes signal-orbit {
  to { transform: rotate(360deg); }
}

@keyframes signal-core-pulse {
  0% { transform: scale(0.72); opacity: 0.8; }
  100% { transform: scale(1.75); opacity: 0; }
}

@media (max-width: 1100px) {
  .signal-console {
    overflow-y: auto;
  }

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

  .signal-route {
    display: none;
  }

  .signal-operation-grid {
    grid-template-columns: minmax(220px, 0.85fr) minmax(340px, 1.15fr);
  }

  .signal-receipt-card {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .signal-receipt-card .signal-card-head {
    grid-column: 1 / -1;
  }

  .signal-telemetry {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .signal-mode-page {
    overflow: auto;
  }

  .signal-scene {
    min-height: 100dvh;
    overflow: visible;
  }

  .signal-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .signal-run-state {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    flex-wrap: wrap;
    justify-content: start;
  }

  .signal-control-trigger {
    display: inline-grid;
    place-items: center;
  }

  .signal-console {
    overflow: visible;
  }

  .signal-console-head {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .signal-console-head > p {
    justify-self: start;
    text-align: left;
  }

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

  .signal-stage {
    min-height: 82px;
  }

  .signal-operation-grid,
  .signal-core-card {
    grid-template-columns: 1fr;
  }

  .signal-core-visual {
    width: 170px;
  }

  .signal-receipt-card {
    grid-template-columns: 1fr;
  }

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

  .signal-controls {
    position: fixed;
    z-index: 20;
    left: 12px;
    right: 12px;
    bottom: 10px;
    width: auto;
    max-height: 42vh;
    overflow: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
  }

  .signal-controls.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .signal-controls.is-idle {
    opacity: 0;
  }
}

@media (max-width: 480px) {
  .signal-topbar,
  .signal-console {
    width: calc(100% - 14px);
  }

  .signal-stages {
    grid-template-columns: 1fr;
  }

  .signal-stage {
    min-height: 68px;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto;
    align-items: center;
  }

  .signal-stage-state {
    grid-column: auto;
  }

  .signal-telemetry {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signal-scan-grid,
  .signal-live-dot,
  .signal-core-visual img,
  .signal-orbit,
  .signal-core-pulse {
    animation: none !important;
  }

  .signal-route span,
  .signal-route i,
  .signal-stage {
    transition: none !important;
  }
}