:root {
  --bg: #000000;
  --green: #4AE290;
  --green-dim: #2A7F50;
  --green-faint: #143E27;
  --red: #E53E3E;
  --amber: #F5A623;
  --gray: #4a4a4a;

  --font-display: "VT323", "IBM Plex Mono", "JetBrains Mono", ui-monospace, monospace;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --max-width: 720px;
  --pad: 20px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

::selection { background: var(--green); color: var(--bg); }

a { color: var(--green); }

/* ------------------------------------------------------------------
   Ambient overlays (scanlines + noise + vignette)
------------------------------------------------------------------ */

.scanlines,
.noise,
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

.scanlines {
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: multiply;
  animation: scanline-drift 8s linear infinite;
  opacity: 0.6;
}

@keyframes scanline-drift {
  0%   { background-position: 0 0; }
  100% { background-position: 0 8px; }
}

.noise {
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.29  0 0 0 0 0.89  0 0 0 0 0.56  0 0 0 0.7 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 160px 160px;
  animation: noise-shift 1.4s steps(6) infinite;
}

@keyframes noise-shift {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-4%, 3%); }
  40%  { transform: translate(3%, -4%); }
  60%  { transform: translate(-2%, 2%); }
  80%  { transform: translate(4%, -1%); }
  100% { transform: translate(0, 0); }
}

.vignette {
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.65) 100%);
}

/* ------------------------------------------------------------------
   Top bar
------------------------------------------------------------------ */

.topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--green-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-dim);
}

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

.topbar__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
  animation: pulse 1.6s ease-in-out infinite;
}

.dot[data-state="terminated"] {
  background: var(--gray);
  box-shadow: none;
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: 0.35; transform: scale(0.85); }
}

/* ------------------------------------------------------------------
   Ambient telemetry
------------------------------------------------------------------ */

.ambient {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  padding: 12px var(--pad);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green-dim);
  border-bottom: 1px solid var(--green-faint);
}

.ambient__row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.ambient__label { color: var(--green-dim); }
.ambient__value { color: var(--green); }

.ambient__bar {
  display: inline-block;
  font-family: var(--font-mono);
  white-space: pre;
  letter-spacing: 0;
  color: var(--green);
}

/* ------------------------------------------------------------------
   Terminal / transmission
------------------------------------------------------------------ */

.terminal {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 36px var(--pad) 60px;
}

.transmission {
  position: relative;
}

.transmission__stamp {
  position: absolute;
  top: -6px;
  right: -8px;
  transform: rotate(-8deg);
  border: 3px solid var(--red);
  color: var(--red);
  font-family: var(--font-display);
  font-size: clamp(20px, 4vw, 32px);
  letter-spacing: 0.08em;
  padding: 4px 14px;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.4);
  text-shadow: 0 0 6px rgba(229, 62, 62, 0.45);
  z-index: 2;
  pointer-events: none;
}

.transmission__header {
  font-family: var(--font-display);
  font-weight: normal;
  font-size: clamp(22px, 4.5vw, 32px);
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  color: var(--green);
  text-shadow: 0 0 8px rgba(74, 226, 144, 0.35);
  text-transform: uppercase;
  word-wrap: break-word;
}

.transmission__body {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.4;
  letter-spacing: 0.03em;
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--green);
  text-shadow: 0 0 6px rgba(74, 226, 144, 0.3);
  min-height: 4em;
}

.cursor {
  display: inline-block;
  margin-left: 1px;
  color: var(--green);
  animation: blink 1.05s steps(1) infinite;
}

.cursor[data-hidden="true"] { display: none; }

.cursor[data-paused="true"] {
  animation: blink-slow 2.5s steps(1) infinite;
}

@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes blink-slow {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ------------------------------------------------------------------
   Boot / signal acquisition pre-roll
------------------------------------------------------------------ */

.boot-seq {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--green-dim);
  text-shadow: 0 0 6px rgba(74, 226, 144, 0.25);
  min-height: 4em;
  margin: 0 0 18px;
  transition: opacity 0.2s ease;
}

.boot-seq[hidden] { display: none; }

.boot-seq__line {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.transmission[data-hidden="true"],
.rations[data-hidden="true"] {
  opacity: 0;
  pointer-events: none;
}

.transmission,
.rations {
  transition: opacity 0.25s ease;
}

/* ------------------------------------------------------------------
   Rations log
------------------------------------------------------------------ */

.rations {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px dashed var(--green-faint);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--green-dim);
}

.rations__title {
  color: var(--green-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.rations__rule {
  color: var(--green-faint);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  white-space: pre;
}

.rations__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rations__row {
  display: grid;
  grid-template-columns: minmax(0, 11ch) 1fr auto;
  gap: 10px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--green-dim);
  white-space: nowrap;
}

.rations__row[data-key="chicken"] {
  grid-template-columns: minmax(0, 18ch) 1fr auto;
}

.rations__label {
  color: var(--green-dim);
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rations__bar {
  font-family: var(--font-mono);
  white-space: pre;
  letter-spacing: 0;
  color: var(--green);
  text-shadow: 0 0 4px rgba(74, 226, 144, 0.25);
  overflow: hidden;
}

.rations__pct {
  color: var(--green);
  font-variant-numeric: tabular-nums;
  min-width: 4ch;
  text-align: right;
}

.rations__row[data-state="critical"] .rations__bar,
.rations__row[data-state="critical"] .rations__pct {
  color: var(--amber);
  text-shadow: 0 0 6px rgba(245, 166, 35, 0.4);
}

.rations__row[data-state="glitch"] .rations__bar,
.rations__row[data-state="glitch"] .rations__pct {
  color: var(--red);
  text-shadow: 0 0 6px rgba(229, 62, 62, 0.4);
  animation: rations-glitch 0.18s steps(2) infinite;
}

@keyframes rations-glitch {
  0%   { transform: translateX(0);   opacity: 1; }
  50%  { transform: translateX(-1px); opacity: 0.85; }
  100% { transform: translateX(1px); opacity: 1; }
}

@media (max-width: 600px) {
  .rations { font-size: 12px; }
  .rations__row { grid-template-columns: minmax(0, 9ch) 1fr auto; gap: 6px; }
  .rations__row[data-key="chicken"] { grid-template-columns: minmax(0, 14ch) 1fr auto; }
  .rations__row { font-size: 12px; }
}

/* ------------------------------------------------------------------
   Countdown
------------------------------------------------------------------ */

.countdown {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px dashed var(--green-faint);
  text-align: center;
}

.countdown__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.countdown__value {
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 56px);
  letter-spacing: 0.1em;
  color: var(--green);
  text-shadow: 0 0 10px rgba(74, 226, 144, 0.5);
  font-variant-numeric: tabular-nums;
}

.countdown[data-state="terminated"] .countdown__value {
  color: var(--gray);
  text-shadow: none;
}

/* ------------------------------------------------------------------
   Signal log
------------------------------------------------------------------ */

.signal-log {
  margin-top: 56px;
  border-top: 1px solid var(--green-faint);
  padding-top: 20px;
}

.signal-log__toggle {
  background: none;
  border: none;
  color: var(--green-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 8px 0;
  width: 100%;
  text-align: left;
}

.signal-log__toggle:hover,
.signal-log__toggle:focus-visible {
  color: var(--green);
  outline: none;
}

.signal-log__caret {
  display: inline-block;
  transition: transform 0.18s ease;
}

.signal-log[data-open="true"] .signal-log__caret {
  transform: rotate(90deg);
}

.signal-log__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signal-log__list[hidden] { display: none; }

.signal-log__item {
  display: block;
}

.signal-log__btn {
  display: block;
  width: 100%;
  background: none;
  border: 1px solid var(--green-faint);
  color: var(--green-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  padding: 10px 12px;
  cursor: pointer;
  transition: color 0.12s ease, border-color 0.12s ease;
}

.signal-log__btn:hover,
.signal-log__btn:focus-visible {
  color: var(--green);
  border-color: var(--green-dim);
  outline: none;
}

.signal-log__btn[data-active="true"] {
  color: var(--green);
  border-color: var(--green);
}

/* ------------------------------------------------------------------
   Footer
------------------------------------------------------------------ */

.footbar {
  position: relative;
  z-index: 1;
  padding: 24px var(--pad);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-faint);
  text-align: center;
  border-top: 1px solid var(--green-faint);
}

/* ------------------------------------------------------------------
   Mobile
------------------------------------------------------------------ */

@media (max-width: 600px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    font-size: 11px;
  }

  .ambient {
    padding: 10px var(--pad);
    gap: 12px 18px;
    font-size: 11px;
  }

  .terminal { padding: 24px var(--pad) 40px; }

  .countdown { margin-top: 36px; }

  .signal-log { margin-top: 40px; }
}

/* ------------------------------------------------------------------
   Reduced motion
------------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  .scanlines,
  .noise { animation: none; }

  .cursor { animation: none; opacity: 1; }

  .rations__row[data-state="glitch"] .rations__bar,
  .rations__row[data-state="glitch"] .rations__pct { animation: none; }

  .boot-seq, .transmission, .rations { transition: none; }
}