:root {
  color-scheme: dark;
  --background: #050510;
  --background-deep: #020208;
  --surface: #090a18;
  --surface-bright: #0c1022;
  --ink: #eef4ff;
  --muted: #77819c;
  --muted-bright: #a9b7d0;
  --violet: #a66cff;
  --violet-hot: #d3a8ff;
  --blue: #3a86ff;
  --cyan: #56e6ff;
  --green: #73ffbd;
  --amber: #ffcf71;
  --line: rgba(125, 151, 204, 0.2);
  --scanner-x: 34%;
  --header-height: 78px;
  --footer-height: 78px;
  --card-width: 400px;
  --card-height: 250px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--background);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ink);
  font-size: 14px;
}

button {
  font: inherit;
}

button:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.ambient-canvas,
.digital-grid,
.screen-noise {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.ambient-canvas {
  z-index: 0;
}

.digital-grid {
  z-index: 1;
  background-image:
    linear-gradient(rgba(85, 108, 168, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 108, 168, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(85, 108, 168, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 108, 168, 0.025) 1px, transparent 1px);
  background-position: center;
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  mask-image: linear-gradient(to bottom, transparent 0, #000 16%, #000 86%, transparent 100%);
}

.screen-noise {
  z-index: 8;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(174, 206, 255, 0.018) 4px
  );
  mix-blend-mode: screen;
}

.scanner-app {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: var(--header-height) minmax(0, 1fr) var(--footer-height);
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
}

.system-header,
.telemetry-bar {
  position: relative;
  z-index: 12;
  display: flex;
  align-items: center;
  padding-inline: clamp(18px, 3vw, 52px);
  background: rgba(5, 5, 16, 0.82);
  backdrop-filter: blur(18px);
}

.system-header {
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.system-header::after,
.telemetry-bar::before {
  position: absolute;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(86, 230, 255, 0.36), transparent);
}

.system-header::after {
  bottom: -1px;
}

.telemetry-bar::before {
  top: -1px;
}

.brand-lockup,
.system-actions,
.system-readouts,
.telemetry-values,
.active-asset {
  display: flex;
  align-items: center;
}

.brand-lockup {
  flex: 0 0 auto;
  gap: 13px;
}

.brand-mark {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 7px);
  grid-template-rows: repeat(2, 7px);
  gap: 5px;
  width: 38px;
  height: 38px;
  place-content: center;
  border: 1px solid rgba(86, 230, 255, 0.4);
  background: #080b1a;
  box-shadow: inset 0 0 18px rgba(58, 134, 255, 0.13);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  border-color: var(--violet-hot);
}

.brand-mark::before {
  top: -3px;
  left: -3px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.brand-mark::after {
  right: -3px;
  bottom: -3px;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.brand-mark i {
  display: block;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 8px rgba(86, 230, 255, 0.55);
}

.brand-mark i:nth-child(2),
.brand-mark i:nth-child(3) {
  background: rgba(133, 112, 226, 0.34);
  box-shadow: none;
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-copy h1 {
  margin: 0;
  font-size: 13px;
  font-weight: 720;
  line-height: 1.2;
  letter-spacing: 0;
}

.brand-copy small,
.active-asset span,
.progress-heading span,
.telemetry-values small {
  color: var(--muted);
  font: 600 9px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0;
}

.system-readouts {
  justify-content: center;
  gap: clamp(18px, 3vw, 48px);
  min-width: 0;
  color: var(--muted-bright);
  font: 500 9px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: nowrap;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: statusPulse 2.2s ease-in-out infinite;
}

.system-actions {
  flex: 0 0 auto;
  gap: 9px;
}

.icon-button {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(125, 151, 204, 0.28);
  border-radius: 5px;
  background: rgba(11, 13, 30, 0.86);
  color: var(--muted-bright);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.icon-button:hover {
  border-color: rgba(86, 230, 255, 0.58);
  color: var(--cyan);
  box-shadow: inset 0 0 14px rgba(86, 230, 255, 0.08);
}

.icon-button::after {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  width: max-content;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #090b19;
  color: var(--ink);
  content: attr(data-tooltip);
  font: 500 10px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  pointer-events: none;
  visibility: hidden;
}

.icon-button:hover::after {
  visibility: visible;
}

.icon-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.play-icon {
  display: none;
}

.icon-button[aria-pressed="true"] .pause-icon {
  display: none;
}

.icon-button[aria-pressed="true"] .play-icon {
  display: block;
}

.scan-stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(4, 4, 13, 0.5), transparent 18%, transparent 80%, rgba(4, 4, 13, 0.64)),
    radial-gradient(circle at var(--scanner-x) 50%, rgba(102, 72, 219, 0.09), transparent 31%);
}

.scan-stage::before,
.scan-stage::after {
  position: absolute;
  z-index: 1;
  top: 50%;
  width: 36px;
  height: 1px;
  content: "";
  background: var(--line);
}

.scan-stage::before {
  left: 0;
}

.scan-stage::after {
  right: 0;
}

.rail-line {
  position: absolute;
  z-index: 1;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(102, 127, 186, 0.22) 12%, rgba(102, 127, 186, 0.22) 88%, transparent);
}

.rail-line::before,
.rail-line::after {
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  content: "";
  border: 1px solid rgba(86, 230, 255, 0.44);
  transform: rotate(45deg);
}

.rail-line::before {
  left: 7%;
}

.rail-line::after {
  right: 7%;
}

.rail-line-top {
  top: calc(50% - 162px);
}

.rail-line-bottom {
  top: calc(50% + 162px);
}

.card-track {
  position: absolute;
  z-index: 4;
  inset: 0;
  overflow: hidden;
  contain: strict;
}

.card-wrapper {
  position: absolute;
  top: 50%;
  left: 0;
  width: var(--card-width);
  height: var(--card-height);
  overflow: hidden;
  border-radius: 15px;
  background: #07101b;
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.46),
    0 0 0 1px rgba(191, 210, 255, 0.18),
    0 0 30px rgba(48, 108, 255, 0.07);
  will-change: transform;
}

.card-wrapper[data-scan-state="scanning"] {
  box-shadow:
    0 24px 54px rgba(0, 0, 0, 0.52),
    0 0 0 1px rgba(141, 111, 255, 0.54),
    0 0 38px rgba(72, 129, 255, 0.2);
}

.card-wrapper canvas,
.card-edge,
.scan-contact {
  position: absolute;
  inset: 0;
  display: block;
  width: var(--card-width);
  height: var(--card-height);
  pointer-events: none;
}

.card-wrapper canvas {
  border-radius: 15px;
}

.original-layer {
  z-index: 1;
}

.code-layer {
  z-index: 2;
}

.card-edge {
  z-index: 3;
  border: 1px solid rgba(214, 227, 255, 0.22);
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(4, 8, 18, 0.6);
}

.scan-contact {
  z-index: 4;
  left: var(--split-x, 0px);
  right: auto;
  width: 1px;
  height: 100%;
  background: #f1eaff;
  box-shadow:
    0 0 4px #fff,
    0 0 12px var(--violet-hot),
    0 0 24px var(--blue);
  visibility: hidden;
}

.card-wrapper[data-scan-state="scanning"] .scan-contact {
  visibility: visible;
}

.scanner-canvas {
  position: absolute;
  z-index: 7;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.scanner-assembly {
  position: absolute;
  z-index: 8;
  top: 0;
  bottom: 0;
  left: var(--scanner-x);
  width: 0;
  pointer-events: none;
}

.scanner-beam {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--violet) 8%, #eef3ff 50%, var(--blue) 92%, transparent);
  box-shadow:
    0 0 5px #fff,
    0 0 12px var(--violet-hot),
    0 0 30px var(--blue),
    0 0 62px rgba(74, 76, 255, 0.72);
  animation: beamFlicker 1.4s steps(2, end) infinite;
}

.scanner-beam::before {
  position: absolute;
  inset: 0 auto 0 -18px;
  width: 38px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(159, 102, 255, 0.12), rgba(65, 142, 255, 0.18), transparent);
}

.scanner-sweep {
  position: absolute;
  top: 8%;
  left: -26px;
  width: 52px;
  height: 38px;
  border-top: 1px solid rgba(224, 238, 255, 0.92);
  border-bottom: 1px solid rgba(86, 230, 255, 0.4);
  background: linear-gradient(to bottom, rgba(164, 103, 255, 0.04), rgba(86, 230, 255, 0.25), transparent);
  filter: drop-shadow(0 0 12px var(--violet));
  animation: verticalSweep 3.6s cubic-bezier(0.44, 0, 0.56, 1) infinite alternate;
}

.scanner-index {
  position: absolute;
  top: 17px;
  left: 11px;
  color: var(--violet-hot);
  font: 600 9px/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.scanner-cap {
  position: absolute;
  left: -6px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--violet-hot);
  background: var(--background);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(166, 108, 255, 0.8);
}

.scanner-cap-top {
  top: 22px;
}

.scanner-cap-bottom {
  bottom: 22px;
}

.scanner-bracket {
  position: absolute;
  top: calc(50% - 144px);
  width: 14px;
  height: 288px;
  border-top: 1px solid rgba(86, 230, 255, 0.45);
  border-bottom: 1px solid rgba(86, 230, 255, 0.45);
}

.scanner-bracket-left {
  right: 17px;
  border-left: 1px solid rgba(86, 230, 255, 0.45);
}

.scanner-bracket-right {
  left: 17px;
  border-right: 1px solid rgba(86, 230, 255, 0.45);
}

.scanner-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(166, 108, 255, 0.23);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.scanner-ring::before,
.scanner-ring::after {
  position: absolute;
  content: "";
  background: rgba(86, 230, 255, 0.42);
}

.scanner-ring::before {
  top: 50%;
  right: -6px;
  left: -6px;
  height: 1px;
}

.scanner-ring::after {
  top: -6px;
  bottom: -6px;
  left: 50%;
  width: 1px;
}

.scanner-ring-a {
  width: 82px;
  height: 82px;
  animation: ringSpin 9s linear infinite;
}

.scanner-ring-b {
  width: 118px;
  height: 118px;
  border-style: dashed;
  animation: ringSpinReverse 14s linear infinite;
}

.loading-state {
  position: absolute;
  z-index: 14;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  background: rgba(5, 5, 16, 0.92);
  color: var(--muted-bright);
  font: 600 10px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.loading-state[hidden] {
  display: none;
}

.loader-glyph {
  display: flex;
  align-items: end;
  gap: 5px;
  height: 27px;
}

.loader-glyph i {
  display: block;
  width: 3px;
  height: 13px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(86, 230, 255, 0.7);
  animation: loaderBars 800ms ease-in-out infinite alternate;
}

.loader-glyph i:nth-child(2) {
  height: 24px;
  animation-delay: 120ms;
}

.loader-glyph i:nth-child(3) {
  height: 18px;
  animation-delay: 240ms;
}

.loading-state > span:last-child {
  color: var(--cyan);
}

.telemetry-bar {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(280px, 1.4fr) minmax(260px, 0.8fr);
  gap: clamp(24px, 5vw, 80px);
  border-top: 1px solid var(--line);
}

.active-asset {
  align-items: flex-start;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.active-asset strong,
.progress-heading strong,
.telemetry-values strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 560;
  letter-spacing: 0;
}

.active-asset strong {
  width: 100%;
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scan-progress {
  min-width: 0;
}

.progress-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 9px;
}

.progress-heading strong {
  color: var(--cyan);
  font-size: 11px;
}

.progress-track {
  position: relative;
  display: block;
  height: 3px;
  overflow: hidden;
  background: rgba(104, 125, 176, 0.2);
}

.progress-track::after {
  position: absolute;
  inset: 0;
  content: "";
  background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(5, 5, 16, 0.74) 18px 20px);
}

.progress-track i {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--violet));
  box-shadow: 0 0 12px var(--cyan);
  transform: scaleX(0.5);
  transform-origin: left center;
  will-change: transform;
}

.telemetry-values {
  justify-content: flex-end;
  gap: clamp(22px, 3vw, 46px);
}

.telemetry-values > span {
  display: grid;
  gap: 5px;
}

.telemetry-values strong {
  color: var(--muted-bright);
  font-size: 10px;
  white-space: nowrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.noscript-message {
  position: fixed;
  z-index: 100;
  inset: 50% auto auto 50%;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  transform: translate(-50%, -50%);
}

@keyframes verticalSweep {
  0% {
    top: 8%;
  }
  100% {
    top: calc(92% - 38px);
  }
}

@keyframes beamFlicker {
  0%,
  100% {
    filter: brightness(1);
  }
  38% {
    filter: brightness(1.55);
  }
  46% {
    filter: brightness(0.82);
  }
  62% {
    filter: brightness(1.32);
  }
}

@keyframes ringSpin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes ringSpinReverse {
  to {
    transform: translate(-50%, -50%) rotate(-360deg);
  }
}

@keyframes loaderBars {
  to {
    height: 5px;
    background: var(--violet);
  }
}

@keyframes statusPulse {
  50% {
    box-shadow: 0 0 4px var(--green);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
    --footer-height: 72px;
  }

  .system-readouts span:not(:first-child) {
    display: none;
  }

  .telemetry-bar {
    grid-template-columns: minmax(130px, 0.72fr) minmax(220px, 1.28fr);
    gap: 24px;
  }

  .telemetry-values {
    display: none;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 62px;
    --footer-height: 70px;
  }

  .system-header,
  .telemetry-bar {
    padding-inline: 14px;
  }

  .system-header {
    gap: 10px;
  }

  .brand-lockup {
    gap: 9px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    grid-template-columns: repeat(2, 6px);
    grid-template-rows: repeat(2, 6px);
    gap: 4px;
  }

  .brand-copy h1 {
    font-size: 11px;
  }

  .brand-copy small,
  .system-readouts {
    display: none;
  }

  .icon-button {
    width: 34px;
    height: 34px;
  }

  .rail-line-top {
    top: calc(50% - 148px);
  }

  .rail-line-bottom {
    top: calc(50% + 148px);
  }

  .scanner-bracket {
    top: calc(50% - 137px);
    height: 274px;
  }

  .telemetry-bar {
    grid-template-columns: minmax(104px, 0.65fr) minmax(150px, 1.35fr);
    gap: 18px;
  }

  .active-asset strong {
    font-size: 9px;
  }

  .progress-heading span {
    max-width: 12ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scanner-ring,
  .status-dot,
  .loader-glyph i {
    animation: none;
  }

  .scanner-sweep {
    animation-duration: 8s;
  }
}