:root {
  color-scheme: dark;
  --paper: #eef8ff;
  --muted: rgba(228, 242, 255, 0.62);
  --line: rgba(222, 242, 255, 0.22);
  --cyan: #8ff4ff;
  --orange: #ff7a2a;
  --pink: #ff4fb7;
  --panel: rgba(7, 12, 24, 0.78);
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #101827;
}

body {
  color: var(--paper);
  font-family:
    "Arial Narrow", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input,
a {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.stage {
  position: relative;
  width: 100vw;
  height: 100svh;
  isolation: isolate;
  overflow: hidden;
  background: #13243b;
}

.wallpaper-extension,
.wallpaper-fallback,
.wallpaper-canvas,
.particle-canvas,
.color-wash,
.grain,
.spectrum-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.wallpaper-extension {
  z-index: -8;
  display: none;
  object-fit: cover;
}

.wallpaper-fallback {
  z-index: -7;
  object-fit: cover;
  object-position: center;
  transform: scale(1.015);
}

.wallpaper-canvas {
  z-index: -6;
  opacity: 0;
  transition: opacity 700ms ease;
}

.wallpaper-canvas.is-ready {
  opacity: 1;
}

.particle-canvas {
  z-index: -4;
  pointer-events: none;
}

.color-wash {
  z-index: -5;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 19, 38, 0.26) 0%, transparent 24%, transparent 64%, rgba(9, 5, 20, 0.1) 100%),
    linear-gradient(0deg, rgba(3, 8, 18, 0.34) 0%, transparent 30%, rgba(2, 10, 24, 0.05) 100%);
}

.grain {
  z-index: 20;
  opacity: 0.055;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.site-header {
  position: absolute;
  z-index: 4;
  top: max(24px, env(safe-area-inset-top));
  left: max(28px, env(safe-area-inset-left));
  display: flex;
  align-items: flex-start;
  gap: 36px;
}

.site-mark {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  color: var(--paper);
  text-decoration: none;
  line-height: 1;
  filter: drop-shadow(0 3px 20px rgba(7, 19, 36, 0.3));
}

.site-mark__k {
  font-size: 1.38rem;
  font-weight: 900;
  letter-spacing: -0.1em;
}

.site-mark__number {
  margin-left: 0.36rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.32em;
}

.site-clock {
  display: grid;
  grid-template-columns: auto auto;
  gap: 1px 12px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.62rem;
  line-height: 1.35;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.site-clock time {
  grid-row: 1 / span 2;
  color: var(--paper);
  font-size: 1.28rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.site-clock__zone {
  opacity: 0.7;
}

.hero {
  position: absolute;
  z-index: 2;
  top: 20%;
  left: max(4vw, env(safe-area-inset-left));
  width: min(34vw, 520px);
  pointer-events: none;
  text-shadow: 0 5px 36px rgba(7, 20, 38, 0.35);
}

.hero-rule {
  width: 42px;
  height: 2px;
  margin-bottom: 16px;
  background: var(--paper);
  box-shadow: 50px 0 0 rgba(238, 248, 255, 0.32);
}

.hero-index {
  margin: 0 0 4px;
  color: rgba(240, 249, 255, 0.82);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.42em;
}

.hero h1 {
  display: flex;
  align-items: baseline;
  margin: 0;
  color: transparent;
  font-size: clamp(4.8rem, 10vw, 10.5rem);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -0.075em;
  -webkit-text-stroke: 1px rgba(242, 250, 255, 0.68);
}

.hero h1 span:last-child {
  margin-left: 0.08em;
  font-size: 0.36em;
  letter-spacing: 0.12em;
  -webkit-text-stroke-color: rgba(242, 250, 255, 0.88);
}

.telemetry {
  position: absolute;
  z-index: 4;
  top: max(26px, env(safe-area-inset-top));
  right: 78px;
  display: grid;
  gap: 8px;
  width: min(520px, 46vw);
  color: rgba(236, 248, 255, 0.7);
  filter: drop-shadow(0 2px 14px rgba(2, 8, 20, 0.35));
  pointer-events: none;
}

.telemetry__machine {
  display: grid;
  grid-template-columns: 100px repeat(4, minmax(62px, 1fr));
  align-items: center;
  gap: 12px;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid rgba(231, 247, 255, 0.14);
  background:
    linear-gradient(90deg, rgba(14, 26, 45, 0.24), rgba(5, 11, 23, 0.38)),
    rgba(5, 11, 23, 0.24);
  box-shadow: 0 8px 28px rgba(3, 8, 18, 0.12);
  backdrop-filter: blur(12px) saturate(125%);
}

.telemetry__machine header {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.48rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.telemetry__machine header i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.telemetry__machine.is-offline header i {
  background: rgba(236, 248, 255, 0.3);
  box-shadow: none;
}

.telemetry__metric {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px;
  align-items: baseline;
  min-width: 0;
  padding-bottom: 5px;
  font-size: 0.44rem;
  letter-spacing: 0.08em;
}

.telemetry__metric span {
  opacity: 0.82;
}

.telemetry__metric strong {
  overflow: hidden;
  color: rgba(247, 252, 255, 0.93);
  font-size: 0.55rem;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  text-align: right;
  text-overflow: clip;
  white-space: nowrap;
}

.telemetry__metric i {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  overflow: hidden;
  background: rgba(235, 248, 255, 0.12);
}

.telemetry__metric i::after {
  display: block;
  width: var(--value, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  content: "";
  transition: width 800ms var(--ease);
}

.audio-player {
  position: absolute;
  z-index: 6;
  bottom: max(30px, calc(env(safe-area-inset-bottom) + 16px));
  left: max(28px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: 72px minmax(230px, 360px) 32px 76px;
  align-items: center;
  gap: 12px;
  width: min(620px, calc(100vw - 110px));
  padding: 11px 14px 11px 11px;
  border: 1px solid rgba(226, 244, 255, 0.2);
  background: rgba(5, 13, 26, 0.42);
  box-shadow: 0 18px 60px rgba(2, 7, 18, 0.16);
  backdrop-filter: blur(18px) saturate(125%);
  transition:
    background 300ms ease,
    border-color 300ms ease;
}

.audio-player.is-playing {
  border-color: rgba(143, 244, 255, 0.38);
  background: rgba(5, 13, 26, 0.58);
}

.audio-player__toggle,
.audio-player__next,
.audio-player__volume-button {
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  color: var(--paper);
  background: transparent;
  cursor: pointer;
}

.audio-player__controls {
  display: flex;
  align-items: center;
}

.audio-player__toggle {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(231, 247, 255, 0.54);
  border-radius: 50%;
  transition:
    color 200ms ease,
    border-color 200ms ease,
    transform 200ms ease;
}

.audio-player__toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: scale(1.04);
}

.audio-player__toggle svg,
.audio-player__next svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.audio-player__toggle .icon-pause,
.audio-player.is-playing .audio-player__toggle .icon-play {
  display: none;
}

.audio-player.is-playing .audio-player__toggle .icon-pause {
  display: block;
}

.audio-player__next {
  width: 30px;
  height: 32px;
  color: rgba(238, 248, 255, 0.58);
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.audio-player__next:hover {
  color: var(--cyan);
  transform: translateX(2px);
}

.audio-player__body {
  min-width: 0;
}

.audio-player__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
}

.audio-player__heading > div {
  display: grid;
  min-width: 0;
}

.audio-player__eyebrow,
.audio-player__artist,
.audio-player__time {
  color: var(--muted);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-transform: uppercase;
}

.audio-player__heading strong {
  overflow: hidden;
  color: var(--paper);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audio-player__artist {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audio-player__time {
  flex: none;
  padding-bottom: 1px;
  color: rgba(235, 248, 255, 0.76);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.audio-player__progress,
.audio-player__volume {
  height: 14px;
  margin: 3px 0 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.audio-player__progress {
  width: 100%;
}

.audio-player__progress::-webkit-slider-runnable-track,
.audio-player__volume::-webkit-slider-runnable-track {
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--paper) 0 var(--value, 0%),
    rgba(232, 246, 255, 0.24) var(--value, 0%) 100%
  );
}

.audio-player__progress::-moz-range-track,
.audio-player__volume::-moz-range-track {
  height: 1px;
  background: rgba(232, 246, 255, 0.24);
}

.audio-player__progress::-moz-range-progress,
.audio-player__volume::-moz-range-progress {
  height: 1px;
  background: var(--paper);
}

.audio-player__progress::-webkit-slider-thumb,
.audio-player__volume::-webkit-slider-thumb {
  width: 7px;
  height: 7px;
  margin-top: -3px;
  appearance: none;
  border: 0;
  border-radius: 50%;
  background: var(--paper);
}

.audio-player__progress::-moz-range-thumb,
.audio-player__volume::-moz-range-thumb {
  width: 7px;
  height: 7px;
  border: 0;
  border-radius: 50%;
  background: var(--paper);
}

.audio-player__volume-button {
  width: 32px;
  height: 32px;
  color: rgba(238, 248, 255, 0.8);
}

.audio-player__volume-button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.audio-player__volume-button.is-muted {
  color: rgba(238, 248, 255, 0.34);
}

.audio-player__volume {
  width: 76px;
  --value: 55%;
}

.spectrum-canvas {
  z-index: 1;
  top: auto;
  bottom: 0;
  height: min(15vh, 150px);
  pointer-events: none;
  opacity: 0.55;
  mix-blend-mode: screen;
  mask-image: linear-gradient(to top, black, transparent);
}

.domain-dock {
  position: absolute;
  z-index: 12;
  inset: 0 0 0 auto;
  width: 48px;
  pointer-events: none;
}

.domain-dock__toggle {
  position: absolute;
  z-index: 3;
  top: max(24px, env(safe-area-inset-top));
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 48px;
  height: 146px;
  padding: 12px 0;
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--paper);
  background: rgba(3, 9, 20, 0.18);
  backdrop-filter: blur(10px);
  cursor: pointer;
  pointer-events: auto;
  transition: background 220ms ease;
}

.domain-dock__toggle:hover {
  background: rgba(3, 9, 20, 0.48);
}

.domain-dock__count {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.domain-dock__label {
  color: var(--muted);
  font-size: 0.48rem;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
}

.domain-dock__cross {
  position: relative;
  width: 13px;
  height: 13px;
  margin-top: auto;
}

.domain-dock__cross::before,
.domain-dock__cross::after {
  position: absolute;
  top: 6px;
  left: 1px;
  width: 11px;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 350ms var(--ease);
}

.domain-dock__cross::after {
  transform: rotate(90deg);
}

.domain-dock.is-open .domain-dock__cross::after {
  transform: rotate(0deg);
}

.domain-dock__rail {
  position: absolute;
  top: 54%;
  right: 0;
  display: grid;
  gap: 10px;
  width: 48px;
  place-items: end center;
}

.domain-dock__rail span {
  display: block;
  width: 2px;
  height: 42px;
  background: rgba(236, 248, 255, 0.66);
}

.domain-dock__rail span:nth-child(2) {
  height: 24px;
  background: var(--cyan);
}

.domain-dock__rail span:nth-child(3) {
  height: 56px;
  background: var(--orange);
}

.domain-dock__rail span:nth-child(4) {
  height: 18px;
  background: var(--pink);
}

.domain-panel {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: min(420px, calc(100vw - 24px));
  height: 100svh;
  padding: max(28px, env(safe-area-inset-top)) 68px max(22px, env(safe-area-inset-bottom)) 30px;
  background:
    linear-gradient(140deg, rgba(16, 28, 49, 0.66), transparent 45%),
    var(--panel);
  box-shadow: -30px 0 100px rgba(3, 7, 16, 0.28);
  backdrop-filter: blur(34px) saturate(140%);
  transform: translateX(100%);
  transition: transform 480ms var(--ease);
  pointer-events: auto;
}

.domain-dock.is-open .domain-panel {
  transform: translateX(0);
}

.domain-panel__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.domain-panel__header > div {
  display: grid;
  gap: 3px;
}

.domain-panel__header span,
.domain-panel__footer {
  color: var(--muted);
  font-size: 0.56rem;
  letter-spacing: 0.18em;
}

.domain-panel__header strong {
  font-size: 1.05rem;
  letter-spacing: 0.09em;
}

.domain-panel__groups {
  flex: 1;
  overflow: auto;
  padding: 18px 5px 18px 0;
  scrollbar-color: rgba(235, 248, 255, 0.3) transparent;
  scrollbar-width: thin;
}

.domain-group + .domain-group {
  margin-top: 22px;
}

.domain-group__heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.52rem;
  font-weight: 500;
  letter-spacing: 0.2em;
}

.domain-group__heading::before {
  display: block;
  width: 3px;
  height: 3px;
  background: var(--group-color);
  box-shadow: 0 0 10px var(--group-color);
  content: "";
}

.domain-group__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px 16px;
}

.domain-link {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  min-height: 43px;
  color: var(--paper);
  text-decoration: none;
}

.domain-link::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--group-color), transparent);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: left;
  transition:
    opacity 180ms ease,
    transform 260ms var(--ease);
}

.domain-link:hover::after,
.domain-link:focus-visible::after {
  opacity: 0.75;
  transform: scaleX(1);
}

.domain-link__index {
  color: var(--group-color);
  font-size: 0.5rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.domain-link__text {
  display: grid;
  min-width: 0;
}

.domain-link__text strong {
  overflow: hidden;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.domain-link__text span {
  overflow: hidden;
  color: rgba(226, 243, 255, 0.42);
  font-size: 0.47rem;
  letter-spacing: 0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.domain-link__arrow {
  color: rgba(233, 248, 255, 0.35);
  font-size: 0.72rem;
  transform: translateX(-3px);
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.domain-link:hover .domain-link__arrow {
  color: var(--group-color);
  transform: translateX(0);
}

.domain-panel__footer {
  display: flex;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.motion-toggle {
  position: absolute;
  z-index: 5;
  right: 72px;
  bottom: max(30px, calc(env(safe-area-inset-bottom) + 18px));
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border: 0;
  color: rgba(236, 249, 255, 0.58);
  background: transparent;
  font-size: 0.5rem;
  letter-spacing: 0.16em;
  cursor: pointer;
}

.motion-toggle span:first-child {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.motion-toggle.is-paused span:first-child {
  background: rgba(236, 249, 255, 0.35);
  box-shadow: none;
}

@media (max-width: 760px) {
  .stage {
    background: #1f141b;
  }

  .site-header {
    top: max(18px, env(safe-area-inset-top));
    left: max(18px, env(safe-area-inset-left));
    gap: 18px;
  }

  .site-clock {
    display: none;
  }

  .hero {
    top: 16%;
    left: max(18px, env(safe-area-inset-left));
    width: 70vw;
  }

  .hero h1 {
    font-size: clamp(4.2rem, 23vw, 7.2rem);
  }

  .wallpaper-fallback {
    top: 12%;
    height: 88%;
    object-fit: cover;
    object-position: 46% center;
    filter: none;
    transform: none;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.2) 7%, #000 22%);
    mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.2) 7%, #000 22%);
  }

  .wallpaper-canvas {
    transition: none;
  }

  .wallpaper-extension {
    display: none;
  }

  .audio-player {
    bottom: max(18px, calc(env(safe-area-inset-bottom) + 10px));
    left: max(14px, env(safe-area-inset-left));
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 10px;
    width: calc(100vw - 74px);
    padding: 9px;
  }

  .audio-player__heading {
    align-items: center;
  }

  .audio-player__artist,
  .audio-player__time,
  .audio-player__volume,
  .audio-player__volume-button {
    display: none;
  }

  .telemetry {
    top: max(60px, calc(env(safe-area-inset-top) + 48px));
    right: 62px;
    left: max(18px, env(safe-area-inset-left));
    gap: 4px;
    width: auto;
  }

  .telemetry__machine {
    grid-template-columns: 76px repeat(3, minmax(50px, 1fr));
    gap: 8px;
    min-height: 24px;
    padding: 5px 7px;
  }

  .telemetry__machine .telemetry__metric:last-child {
    display: none;
  }

  .domain-panel {
    top: auto;
    bottom: 0;
    width: 100vw;
    max-width: none;
    height: min(76svh, 720px);
    padding: 24px 22px max(20px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    transform: translateY(103%);
  }

  .domain-dock.is-open .domain-panel {
    transform: translateY(0);
  }

  .domain-dock__toggle {
    top: max(18px, env(safe-area-inset-top));
  }

  .domain-dock__rail {
    display: none;
  }

  .domain-panel__groups {
    padding-right: 0;
  }

  .motion-toggle {
    display: none;
  }
}

@media (max-width: 420px) {
  .domain-group__links {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .domain-group + .domain-group {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}