:root {
  color-scheme: dark;
  --void: #090710;
  --void-deep: #050409;
  --panel: #100d18;
  --line: #292235;
  --line-hot: #51405f;
  --ink: #f5eff9;
  --muted: #9c90a6;
  --pink: #ff4f9a;
  --pink-soft: rgba(255, 79, 154, 0.15);
  --cyan: #62efff;
  --acid: #a8ff60;
  --danger: #ff5d69;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--void);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 74% 12%, rgba(255, 79, 154, 0.1), transparent 28rem),
    radial-gradient(circle at 12% 70%, rgba(98, 239, 255, 0.07), transparent 32rem),
    var(--void);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  opacity: 0.17;
  background-image: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(255, 255, 255, 0.018) 4px);
}

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

button {
  min-height: 44px;
  border: 1px solid var(--line-hot);
  border-radius: 0;
  color: var(--muted);
  background: rgba(9, 7, 16, 0.88);
  font: 700 0.67rem/1.1 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease, transform 120ms ease;
}

button:hover {
  color: var(--ink);
  border-color: var(--pink);
}

button:active,
button.is-held {
  color: var(--void-deep);
  background: var(--pink);
  transform: translateY(1px);
}

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

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

[hidden] {
  display: none !important;
}

.panic-page {
  padding: clamp(1rem, 3vw, 2rem);
}

.panic-back {
  position: fixed;
  top: 1.4rem;
  left: 1.4rem;
  z-index: 20;
  min-height: 44px;
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.7rem;
  text-decoration: none;
  transition: color 120ms ease, transform 120ms ease;
}

.panic-back:hover {
  color: var(--cyan);
  transform: translateX(-0.2rem);
}

.panic-shell {
  width: min(70rem, 100%);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vh, 6rem) 0 2rem;
}

.panic-header {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1.7rem;
}

.panic-kicker {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.65rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.panic-kicker span {
  color: var(--pink);
}

.panic-header h1 {
  margin: 0;
  font-size: clamp(2.7rem, 7.4vw, 5.8rem);
  font-weight: 900;
  line-height: 0.84;
  letter-spacing: -0.095em;
}

.panic-header h1 span {
  color: var(--pink);
  text-shadow: 0 0 1.5rem rgba(255, 79, 154, 0.28);
}

.panic-premise {
  max-width: 33ch;
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.65;
  text-align: right;
}

.panic-telemetry {
  display: grid;
  grid-template-columns: 0.85fr 1.1fr 0.75fr 0.75fr 1.2fr;
  gap: 0;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: rgba(10, 8, 15, 0.8);
}

.panic-telemetry p {
  min-width: 0;
  margin: 0;
  padding: 0.62rem 0.8rem;
  border-right: 1px solid var(--line);
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  justify-content: space-between;
}

.panic-telemetry p:last-child {
  border-right: 0;
}

.panic-telemetry span {
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.panic-telemetry strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-overflow: clip;
  white-space: nowrap;
}

#health-readout {
  color: var(--pink);
  letter-spacing: 0.12em;
}

.arena-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--void-deep);
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.35);
}

#game-canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  background: var(--void-deep);
  touch-action: none;
}

.game-overlay,
.upgrade-panel {
  position: absolute;
  inset: 0;
  z-index: 4;
  padding: clamp(1rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(rgba(6, 4, 10, 0.86), rgba(6, 4, 10, 0.93)),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(98, 239, 255, 0.08) 40px),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(98, 239, 255, 0.08) 40px);
  text-align: center;
  backdrop-filter: blur(4px);
}

.game-overlay.is-transparent {
  background: rgba(6, 4, 10, 0.8);
}

.overlay-code {
  margin: 0 0 0.8rem;
  color: var(--pink);
  font-size: clamp(0.55rem, 1.6vw, 0.7rem);
  letter-spacing: 0.18em;
}

.game-overlay h2,
.upgrade-panel h2 {
  margin: 0;
  font-size: clamp(1.45rem, 4.8vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.game-overlay > p:not(.overlay-code) {
  max-width: 46ch;
  margin: 1rem 0 1.3rem;
  color: var(--muted);
  font-size: clamp(0.62rem, 1.8vw, 0.78rem);
  line-height: 1.6;
}

.panic-primary {
  min-height: 50px;
  padding: 0.9rem 1.2rem;
  color: var(--void-deep);
  border-color: var(--pink);
  background: var(--pink);
}

.panic-primary:hover {
  color: var(--void-deep);
  border-color: var(--cyan);
  background: var(--cyan);
}

.upgrade-panel {
  justify-content: center;
}

.upgrade-options {
  width: min(52rem, 100%);
  margin-top: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.upgrade-option {
  min-height: 8.2rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: flex-start;
  justify-content: space-between;
  text-align: left;
}

.upgrade-option strong {
  color: var(--ink);
  font-size: clamp(0.68rem, 2vw, 0.82rem);
}

.upgrade-option span {
  color: var(--muted);
  font-size: clamp(0.56rem, 1.4vw, 0.68rem);
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
}

.upgrade-option small {
  color: var(--acid);
  font: inherit;
  font-size: 0.55rem;
}

.meter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 2px;
}

.xp-meter,
.pulse-meter {
  height: 4px;
  overflow: hidden;
  background: var(--line);
}

.xp-meter i,
.pulse-meter i {
  display: block;
  width: 0;
  height: 100%;
  transition: width 100ms linear;
}

.xp-meter i {
  background: var(--acid);
  box-shadow: 0 0 0.65rem rgba(168, 255, 96, 0.65);
}

.pulse-meter i {
  background: var(--cyan);
  box-shadow: 0 0 0.65rem rgba(98, 239, 255, 0.65);
}

.control-deck {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

.steer-pad,
.panic-actions {
  display: flex;
  gap: 0.45rem;
}

.steer-pad button {
  width: 50px;
  padding: 0;
  color: var(--ink);
  font-size: 1rem;
}

.panic-actions button {
  padding: 0.6rem 0.8rem;
}

.pulse-action {
  min-width: 7.8rem;
  border-color: rgba(98, 239, 255, 0.65);
  color: var(--cyan);
}

.pulse-action span,
.pulse-action small {
  display: block;
}

.pulse-action small {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
}

.panic-rules {
  margin-top: 2.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.6;
}

.panic-rules h2 {
  margin: 0 0 0.65rem;
  color: var(--pink);
  font-size: 0.59rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panic-rules > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
}

.panic-rules p {
  margin: 0.15rem 0;
}

.panic-rules strong {
  color: var(--ink);
  font-weight: 600;
}

.rules-note {
  color: #766c7e;
}

kbd {
  min-width: 1.5rem;
  padding: 0.12rem 0.28rem;
  border: 1px solid var(--line-hot);
  color: var(--ink);
  font: inherit;
  text-align: center;
}

.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;
}

@media (max-width: 48rem) {
  .panic-page {
    padding: 0.85rem;
  }

  .panic-back {
    position: absolute;
    top: 0.7rem;
    left: 0.85rem;
  }

  .panic-shell {
    padding-top: 3.8rem;
  }

  .panic-header {
    display: block;
    margin-bottom: 1.2rem;
  }

  .panic-header h1 {
    font-size: clamp(2.55rem, 13vw, 4.5rem);
  }

  .panic-premise {
    margin-top: 0.9rem;
    text-align: left;
  }

  .panic-telemetry {
    grid-template-columns: repeat(5, 1fr);
  }

  .panic-telemetry p {
    padding: 0.5rem 0.2rem;
    display: block;
    text-align: center;
  }

  .panic-telemetry span,
  .panic-telemetry strong {
    display: block;
  }

  .panic-telemetry strong {
    margin-top: 0.22rem;
    font-size: 0.61rem;
  }

  .upgrade-options {
    gap: 0.35rem;
  }

  .upgrade-option {
    min-height: 6.8rem;
    padding: 0.58rem;
  }

  .control-deck {
    display: block;
  }

  .steer-pad,
  .panic-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .steer-pad button,
  .panic-actions button {
    width: 100%;
  }

  .panic-actions {
    margin-top: 0.45rem;
  }

  .pulse-action {
    min-width: 0;
  }

  .panic-rules {
    margin-top: 1.5rem;
  }

  .panic-rules > div {
    display: block;
  }
}

@media (max-width: 25rem) {
  .panic-page {
    padding-inline: 0.55rem;
  }

  .panic-header h1 {
    font-size: 2.45rem;
  }

  .panic-telemetry p {
    padding-inline: 0.05rem;
  }

  .panic-telemetry span {
    font-size: 0.49rem;
  }

  .panic-telemetry strong {
    font-size: 0.55rem;
  }

  .game-overlay,
  .upgrade-panel {
    padding: 0.7rem;
  }

  .game-overlay h2,
  .upgrade-panel h2 {
    font-size: 1.25rem;
  }

  .game-overlay > p:not(.overlay-code) {
    margin: 0.55rem 0 0.7rem;
    line-height: 1.35;
  }

  .panic-primary {
    min-height: 44px;
    padding: 0.55rem 0.7rem;
  }

  .upgrade-options {
    margin-top: 0.65rem;
  }

  .upgrade-option {
    min-height: 5.5rem;
    padding: 0.42rem;
  }

  .upgrade-option span {
    line-height: 1.25;
  }
}

@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;
  }
}