:root {
  --bg: #02070b;
  --bg-deep: #010305;
  --panel: rgba(3, 14, 20, 0.78);
  --panel-soft: rgba(3, 12, 18, 0.56);
  --cyan: #35d9f2;
  --cyan-soft: #8eefff;
  --cyan-dim: rgba(53, 217, 242, 0.25);
  --red: #ff2945;
  --red-soft: #ff687d;
  --green: #1fe6a8;
  --text: #d9e7ec;
  --muted: #78909a;
  --line: rgba(53, 217, 242, 0.32);
  --line-soft: rgba(53, 217, 242, 0.12);
  --danger-line: rgba(255, 41, 69, 0.34);
}

* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; }
html { background: var(--bg-deep); }
body {
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 44%, rgba(2, 35, 47, 0.34), transparent 36%),
    linear-gradient(135deg, #02070b 0%, #010306 42%, #031017 100%);
  color: var(--text);
  font-family: Consolas, "IBM Plex Mono", "Courier New", monospace;
  letter-spacing: 0.015em;
}

button, input { font: inherit; }
[data-key] { cursor: pointer; outline: none; }
[data-key]:focus-visible { color: #fff; text-shadow: 0 0 12px var(--red); }

#matrix,
.screen-grid,
.screen-noise,
.screen-scan,
.screen-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

#matrix { z-index: 0; opacity: 0.2; }
.screen-grid {
  z-index: 1;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(53, 217, 242, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 217, 242, 0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 83%);
}
.screen-noise {
  z-index: 4;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  animation: noiseShift 0.34s steps(2) infinite;
}
.screen-scan {
  z-index: 5;
  opacity: 0.38;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,0.018) 4px);
}
.screen-scan::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 16vh;
  top: -20vh;
  background: linear-gradient(180deg, transparent, rgba(53, 217, 242, 0.035), transparent);
  animation: scanSweep 9s linear infinite;
}
.screen-vignette {
  z-index: 6;
  box-shadow: inset 0 0 15vw rgba(0, 0, 0, 0.96);
  background: radial-gradient(ellipse at 50% 45%, transparent 24%, rgba(0,0,0,0.16) 57%, rgba(0,0,0,0.72) 100%);
}

.command-deck {
  position: relative;
  z-index: 3;
  width: 100vw;
  height: 100vh;
  padding: clamp(10px, 1vw, 20px);
  display: grid;
  grid-template-columns: minmax(250px, 19%) minmax(0, 1fr) minmax(250px, 19%);
  grid-template-rows: 48px minmax(0, 1fr) 130px 22px;
  gap: clamp(8px, 0.75vw, 14px);
}

.deck-header {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-width: 0;
  padding: 0 10px 8px;
  border-bottom: 1px solid var(--line-soft);
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  font-size: clamp(9px, 0.62vw, 12px);
}
.identity { display: flex; align-items: center; gap: 10px; min-width: 0; }
.identity-emblem {
  position: relative;
  width: 25px;
  height: 25px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 18px rgba(53, 217, 242, 0.16);
}
.identity-emblem::before,
.identity-emblem::after,
.identity-emblem i {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--cyan);
}
.identity-emblem::before { transform: translate(-4px, 3px); }
.identity-emblem::after { transform: translate(4px, -3px); }
.identity-emblem i { transform: rotate(45deg); width: 4px; height: 4px; background: var(--red); border-color: var(--red); }
.identity-name {
  color: #f2fbff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(17px, 1.15vw, 24px);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.identity-name b { font-weight: inherit; }
.identity-zero { color: var(--red); }
.identity-divider { width: 1px; height: 18px; background: var(--line); margin-left: 2px; }
.identity-caption { color: var(--muted); letter-spacing: 0.16em; white-space: nowrap; }
.header-alert {
  color: var(--red-soft);
  letter-spacing: 0.13em;
  white-space: nowrap;
}
.pulse-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 12px var(--red);
  animation: pulse 1.8s ease-in-out infinite;
}
.header-meta { justify-self: end; display: flex; gap: 18px; color: var(--muted); white-space: nowrap; }
.header-meta b { color: var(--cyan-soft); font-weight: 500; }

.left-rail,
.right-rail {
  display: grid;
  gap: 10px;
  min-height: 0;
}
.left-rail { grid-column: 1; grid-row: 2; grid-template-rows: 0.9fr 0.88fr 1.18fr; }
.right-rail { grid-column: 3; grid-row: 2; grid-template-rows: 0.72fr 0.92fr 1.36fr; }

.hud-panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 11px 12px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(5, 19, 26, 0.78), rgba(2, 9, 14, 0.7)),
    repeating-linear-gradient(90deg, transparent 0 14px, rgba(53,217,242,0.012) 15px);
  box-shadow:
    inset 0 0 28px rgba(0, 200, 230, 0.025),
    0 8px 30px rgba(0,0,0,0.15);
  backdrop-filter: blur(2px);
}
.hud-panel::before,
.hud-panel::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  pointer-events: none;
}
.hud-panel::before { left: -1px; top: -1px; border-left: 2px solid var(--cyan); border-top: 2px solid var(--cyan); }
.hud-panel::after { right: -1px; bottom: -1px; border-right: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); }
.hud-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  padding-bottom: 7px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  color: #a6c4ce;
  font-size: clamp(8px, 0.58vw, 11px);
  letter-spacing: 0.06em;
}
.hud-title small { color: var(--muted); font-size: 0.86em; }
.hud-title small.live { color: var(--green); }
.danger { color: var(--red-soft) !important; }

.protocol-progress,
.scan-track,
.inject-track {
  height: 8px;
  border: 1px solid rgba(255, 41, 69, 0.38);
  background: rgba(255, 41, 69, 0.05);
  overflow: hidden;
}
.protocol-progress i,
.scan-track i,
.inject-track i {
  display: block;
  height: 100%;
  background: repeating-linear-gradient(90deg, var(--red) 0 8px, transparent 8px 11px);
  filter: drop-shadow(0 0 6px rgba(255, 41, 69, 0.45));
}
.protocol-progress i { width: 72%; transition: width 0.7s ease; }
.protocol-percent { display: flex; justify-content: space-between; margin: 5px 0 10px; color: var(--muted); font-size: 10px; }
.protocol-percent b { color: var(--red-soft); font-weight: 500; }
.data-list { display: grid; gap: 5px; margin: 0; }
.data-list div { display: grid; grid-template-columns: 45% minmax(0,1fr); gap: 7px; font-size: clamp(8px, 0.58vw, 11px); }
.data-list dt { color: var(--muted); }
.data-list dd { margin: 0; color: #b7ced6; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.compact-list { gap: 7px; }

.packet-stream,
.terminal-copy,
.scramble-data,
.system-log {
  margin: 0;
  height: calc(100% - 27px);
  overflow: hidden;
  white-space: pre-wrap;
  color: #92aab3;
  font-size: clamp(8px, 0.58vw, 11px);
  line-height: 1.5;
}
.packet-stream { color: var(--red-soft); }
.terminal-copy { color: #a4bdc6; }
.scramble-data { color: #82a1ad; }
.scramble-loop { position: absolute; left: 12px; bottom: 8px; color: var(--red-soft); font-size: 10px; }

.radar-wrap { display: grid; grid-template-columns: 46% 1fr; align-items: center; height: calc(100% - 57px); }
.radar {
  position: relative;
  width: min(110px, 9vw);
  aspect-ratio: 1;
  justify-self: center;
  border: 1px solid rgba(53,217,242,0.55);
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 25%, rgba(53,217,242,0.25) 26% 27%, transparent 28% 49%, rgba(53,217,242,0.18) 50% 51%, transparent 52%),
    linear-gradient(90deg, transparent 49.5%, rgba(53,217,242,0.14) 50%, transparent 50.5%),
    linear-gradient(transparent 49.5%, rgba(53,217,242,0.14) 50%, transparent 50.5%);
}
.radar i {
  position: absolute;
  inset: 50% 50% auto auto;
  width: 44%;
  height: 1px;
  transform-origin: 0 0;
  background: linear-gradient(90deg, var(--cyan), transparent);
  box-shadow: 0 0 8px var(--cyan);
  animation: radarSweep 4s linear infinite;
}
.radar span { position: absolute; left: 36%; top: 27%; width: 4px; height: 4px; border-radius: 50%; background: var(--red); box-shadow: 0 0 8px var(--red); }
.radar b { position: absolute; left: 66%; top: 62%; width: 3px; height: 3px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.node-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 7px; font-size: clamp(8px, 0.55vw, 10px); }
.node-list li { display: flex; justify-content: space-between; gap: 8px; color: #71909a; }
.node-list li b { color: #8ca3aa; font-weight: 400; }
.node-list li.active span,
.node-list li.active b { color: var(--green); }
.scan-label { position: absolute; left: 12px; bottom: 19px; font-size: 9px; color: var(--red-soft); }
.scan-track { position: absolute; left: 12px; right: 12px; bottom: 9px; height: 5px; }
.scan-track i { width: 100%; animation: scanPulse 2.6s ease-in-out infinite; }

.hero-stage {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}
.hero-stage::before {
  content: "";
  position: absolute;
  inset: 6% 5%;
  background:
    radial-gradient(circle at center, rgba(53,217,242,0.06), transparent 48%),
    repeating-linear-gradient(90deg, transparent 0 53px, rgba(53,217,242,0.025) 54px),
    repeating-linear-gradient(0deg, transparent 0 29px, rgba(53,217,242,0.018) 30px);
  mask-image: radial-gradient(ellipse at center, #000 22%, transparent 74%);
}
.binary-curtain {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  opacity: 0.18;
  color: var(--cyan);
  font-size: 10px;
  line-height: 1.55;
  white-space: pre;
  text-align: center;
  mask-image: radial-gradient(ellipse at center, #000 10%, transparent 72%);
}
.hero-orbit {
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 48%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(53,217,242,0.2);
  box-shadow: inset 0 0 35px rgba(53,217,242,0.02);
}
.hero-orbit::before,
.hero-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.hero-orbit::before { inset: 8%; border: 1px dashed rgba(255,41,69,0.2); }
.hero-orbit::after { inset: 18%; border: 1px solid rgba(53,217,242,0.08); }
.orbit-one { width: min(48vw, 680px); aspect-ratio: 1; animation: orbitRotate 22s linear infinite; }
.orbit-two { width: min(38vw, 540px); aspect-ratio: 1; border-color: rgba(255,41,69,0.18); animation: orbitRotateReverse 15s linear infinite; }
.orbit-three { width: min(28vw, 395px); aspect-ratio: 1; border-style: dashed; animation: orbitRotate 9s linear infinite; }

.hood-silhouette {
  position: absolute;
  left: 50%;
  top: 47%;
  z-index: 1;
  width: min(29vw, 410px);
  height: min(55vh, 510px);
  transform: translate(-50%, -50%);
  opacity: 0.72;
  filter: drop-shadow(0 0 24px rgba(53,217,242,0.09));
}
.hood-silhouette::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0, 75% 11%, 90% 38%, 100% 83%, 79% 100%, 21% 100%, 0 83%, 10% 38%, 25% 11%);
  background:
    radial-gradient(ellipse at 50% 42%, #000 0 22%, rgba(0,2,3,0.98) 23% 35%, rgba(4,15,20,0.98) 36% 50%, rgba(1,7,11,0.9) 51% 64%, transparent 65%),
    linear-gradient(90deg, transparent, rgba(53,217,242,0.07), transparent);
  border: 1px solid rgba(53,217,242,0.24);
}
.hood-silhouette::after {
  content: "";
  position: absolute;
  left: 24%;
  right: 24%;
  top: 22%;
  height: 42%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, #000 0 50%, transparent 70%);
  box-shadow: 0 0 44px #000;
}
.hood-silhouette i,
.hood-silhouette span {
  position: absolute;
  z-index: 2;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,41,69,0.5), transparent);
}
.hood-silhouette i { left: 15%; right: 15%; top: 55%; }
.hood-silhouette span { left: 25%; right: 25%; top: 66%; opacity: 0.35; }

.hero-coordinates {
  position: absolute;
  z-index: 2;
  color: rgba(117,155,166,0.62);
  font-size: 9px;
  letter-spacing: 0.22em;
}
.hero-coordinates.top { top: 7%; }
.hero-coordinates b { color: var(--red); font-weight: 400; }
.hero-brand {
  position: relative;
  z-index: 3;
  margin-top: -2vh;
  color: #edfaff;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(60px, 7.2vw, 132px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.88;
  text-shadow:
    -2px 0 rgba(53,217,242,0.55),
    2px 0 rgba(255,41,69,0.45),
    0 0 28px rgba(209,246,255,0.12);
  animation: refinedGlitch 6s steps(1) infinite;
}
.hero-brand span { display: inline-block; }
.hero-brand .zero {
  color: var(--red);
  text-shadow: 0 0 24px rgba(255,41,69,0.66), -1px 0 rgba(53,217,242,0.3);
}
.hero-rule {
  position: relative;
  z-index: 3;
  width: min(560px, 74%);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 13px;
  margin-top: 2.2vh;
  color: var(--red-soft);
  font-size: clamp(10px, 0.78vw, 14px);
  letter-spacing: 0.22em;
  white-space: nowrap;
}
.hero-rule i { height: 1px; background: linear-gradient(90deg, transparent, var(--danger-line)); }
.hero-rule i:last-child { background: linear-gradient(90deg, var(--danger-line), transparent); }
.hero-slogan {
  position: relative;
  z-index: 3;
  margin: 1.4vh 0 0;
  color: #f5fcff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(20px, 2.05vw, 38px);
  font-weight: 300;
  letter-spacing: 0.29em;
  text-align: center;
  text-shadow: 0 0 20px rgba(53,217,242,0.18);
}
.hero-subline {
  position: relative;
  z-index: 3;
  margin: 1vh 0 0;
  color: var(--cyan);
  font-size: clamp(9px, 0.72vw, 13px);
  letter-spacing: 0.2em;
}
.hero-footprint {
  position: absolute;
  z-index: 3;
  left: 10%;
  right: 10%;
  bottom: 5%;
  display: flex;
  justify-content: space-between;
  color: rgba(118,148,158,0.74);
  font-size: 9px;
  letter-spacing: 0.11em;
}
.hero-footprint b { color: #b6d8e1; font-weight: 400; }

.password-blocks { display: inline-flex; gap: 3px; }
.password-blocks i { width: 7px; height: 7px; background: var(--red); box-shadow: 0 0 5px rgba(255,41,69,0.3); }
.brute-panel canvas { width: 100%; height: 52px; margin-top: 4px; }

.inject-panel { grid-column: 1; grid-row: 3; }
.log-panel { grid-column: 2; grid-row: 3; }
.connection-panel { grid-column: 3; grid-row: 3; }
.inject-panel p { margin: 3px 0 12px; color: #77939d; font-size: 10px; }
.inject-panel p b { color: var(--red-soft); font-weight: 400; }
.inject-track { height: 9px; }
.inject-track i { width: 58%; transition: width 0.5s ease; }
.inject-status { margin-top: 7px; display: flex; justify-content: space-between; color: var(--muted); font-size: 9px; letter-spacing: 0.08em; }
.inject-status b { color: var(--red-soft); font-weight: 500; }
.log-panel .system-log { height: 65px; color: var(--red-soft); line-height: 1.42; }
.signal-line { position: absolute; left: 12px; right: 12px; bottom: 5px; height: 38px; opacity: 0.64; }
.signal-line canvas { width: 100%; height: 100%; }
.connection-row { display: grid; grid-template-columns: 42% 1fr auto; gap: 7px; align-items: center; margin: 8px 0; color: #78949e; font-size: 9px; }
.connection-row > div { height: 6px; background: rgba(53,217,242,0.08); overflow: hidden; }
.connection-row i { display: block; height: 100%; width: var(--w); background: repeating-linear-gradient(90deg, rgba(255,41,69,0.8) 0 7px, transparent 7px 9px); }
.connection-row b { color: #b9d0d8; font-weight: 400; }
.connection-note { margin-top: 10px; color: var(--muted); font-size: 9px; letter-spacing: 0.08em; }
.connection-note b { color: var(--red-soft); font-weight: 400; }

.deck-footer {
  grid-column: 1 / -1;
  grid-row: 4;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 8px;
  color: rgba(111,141,151,0.56);
  font-size: 8px;
  letter-spacing: 0.22em;
}
.footer-mark { color: rgba(132,176,189,0.62); }
.coordinates { justify-self: end; }
.coordinates b { color: var(--red); font-weight: 400; }

@keyframes noiseShift { 50% { transform: translate(1px, -1px); } }
@keyframes scanSweep { to { transform: translateY(140vh); } }
@keyframes pulse { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }
@keyframes radarSweep { to { transform: rotate(360deg); } }
@keyframes scanPulse { 0%,100% { opacity: 0.45; } 50% { opacity: 1; } }
@keyframes orbitRotate { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes orbitRotateReverse { to { transform: translate(-50%, -50%) rotate(-360deg); } }
@keyframes refinedGlitch {
  0%, 91%, 100% { transform: translate(0); filter: none; }
  92% { transform: translate(-2px, 0); filter: contrast(1.2); }
  93% { transform: translate(3px, -1px); }
  94% { transform: translate(-1px, 1px); }
  95% { transform: translate(0); }
}

@media (max-width: 1180px) {
  .command-deck { grid-template-columns: minmax(220px, 22%) minmax(0,1fr) minmax(220px,22%); }
  .identity-caption { display: none; }
  .header-meta span:first-child { display: none; }
  .hero-brand { font-size: 7.6vw; }
  .hero-slogan { font-size: 2.15vw; }
}

@media (max-width: 860px) {
  body { overflow: auto; }
  .command-deck {
    min-height: 100svh;
    height: auto;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 48px minmax(500px, 65svh) auto auto auto;
  }
  .deck-header { grid-column: 1/-1; grid-template-columns: 1fr auto; }
  .header-alert { display: none; }
  .header-meta span:not(:last-child) { display: none; }
  .hero-stage { grid-column: 1/-1; grid-row: 2; }
  .left-rail { grid-column: 1; grid-row: 3; }
  .right-rail { grid-column: 2; grid-row: 3; }
  .inject-panel { grid-column: 1; grid-row: 4; }
  .connection-panel { grid-column: 2; grid-row: 4; }
  .log-panel { grid-column: 1/-1; grid-row: 5; min-height: 140px; }
  .deck-footer { grid-row: 6; }
  .hero-brand { font-size: 13vw; }
  .hero-slogan { font-size: 3.8vw; }
}

@media (max-width: 600px) {
  .command-deck { display: block; padding: 10px; }
  .deck-header { display: flex; justify-content: space-between; height: 48px; }
  .identity-divider, .identity-caption, .header-meta { display: none; }
  .hero-stage { min-height: 70svh; margin-bottom: 10px; }
  .hero-brand { font-size: 16vw; }
  .hero-slogan { font-size: 5vw; letter-spacing: 0.18em; }
  .hero-rule { width: 90%; font-size: 8px; }
  .hero-footprint { left: 4%; right: 4%; font-size: 7px; }
  .hero-footprint span:nth-child(2) { display: none; }
  .left-rail, .right-rail, .inject-panel, .log-panel, .connection-panel { display: none; }
  .deck-footer { display: flex; justify-content: center; height: 20px; }
  .deck-footer > span:not(.footer-mark) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}

/* Hidden gateway glyph: visually identical to the surrounding slogan. */
#accessGlyph {
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-shadow: inherit;
  cursor: default;
  user-select: none;
}