:root {
  --bg: #0a0c0a;
  --bg2: #12160f;
  --ink: #e8f0e0;
  --muted: #8a9880;
  --accent: #7dff6a;
  --accent2: #c9ff5c;
  --danger: #ff5c5c;
  --card: #151a12;
  --card-border: #2a3624;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(60% 40% at 20% -10%, #1a2a12 0%, transparent 60%),
              radial-gradient(50% 35% at 100% 100%, #10200e 0%, transparent 55%),
              var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 44px 20px 64px;
}

header { text-align: center; margin-bottom: 24px; }

h1 {
  font-size: clamp(30px, 6vw, 44px);
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

h1 .goo { color: var(--accent); }

.tagline {
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto 10px;
}

.tagline .rep { color: var(--accent2); }

.brief {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0 auto;
  max-width: 520px;
}

.brief a { color: var(--accent2); }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 24px 0 16px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 6px;
  text-align: center;
}

.stat-n {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent2);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-top: 2px;
}

.alarm {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 0.72rem;
}
.alarm-label { color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.alarm-bar { flex: 1; height: 8px; background: #1c2417; border-radius: 999px; overflow: hidden; }
.alarm-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), #ffd15c); transition: width 0.15s ease, background 0.3s ease; }
.alarm-fill.hot { background: linear-gradient(90deg, #ffd15c, var(--danger)); }
.alarm-pct { color: var(--ink); font-variant-numeric: tabular-nums; min-width: 3ch; text-align: right; }

.controls {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px;
  margin: 0 0 14px;
}
.ctrl-help { font-size: 0.72rem; color: var(--muted); text-align: center; margin: 0 0 10px; }
.pad { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.limb { text-align: center; }
.limb-label { display: block; font-size: 0.68rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.limb-bar { position: relative; height: 14px; background: #1c2417; border-radius: 999px; overflow: hidden; margin-bottom: 8px; }
.limb-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0%; background: var(--accent2); }
.limb-band { position: absolute; top: 0; bottom: 0; background: rgba(125, 255, 106, 0.18); border-left: 1px dashed var(--accent); border-right: 1px dashed var(--accent); }
.limb-keys { display: flex; gap: 6px; justify-content: center; }
.key {
  flex: 1;
  max-width: 64px;
  background: var(--bg2);
  border: 1px solid var(--card-border);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 4px;
  font-family: inherit;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
  touch-action: none;
}
.key small { display: block; font-weight: 400; font-size: 0.55rem; color: var(--muted); text-transform: lowercase; margin-top: 2px; }
.key.active, .key:active { background: var(--accent); color: #0a0c0a; border-color: var(--accent); }
.key.active small, .key:active small { color: #0a0c0a; opacity: 0.7; }

.hold-bar { height: 10px; background: #1c2417; border-radius: 999px; overflow: hidden; margin: 12px 0 6px; }
.hold-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent2)); }

.grab-status { text-align: center; font-size: 0.76rem; color: var(--muted); min-height: 1.3em; margin: 0; }

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.module {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.72rem;
  color: var(--muted);
}

.module .m-name { display: block; font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.module .m-progress { font-variant-numeric: tabular-nums; }
.module.built {
  border-color: var(--accent);
  color: var(--accent);
}
.module.built .m-name { color: var(--accent); }
.module.built .m-name::before { content: "✔ "; }

.btn.cascade {
  display: block;
  width: 100%;
  margin: 0 0 20px;
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  background: var(--card);
  border: 1.5px solid var(--card-border);
  color: var(--muted);
  border-radius: 12px;
  cursor: not-allowed;
  transition: all 0.2s ease;
}
.btn.cascade:not(:disabled) {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #0a0c0a;
  border-color: transparent;
  cursor: pointer;
  box-shadow: 0 0 24px rgba(125, 255, 106, 0.35);
  animation: pulse 1.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 16px rgba(125, 255, 106, 0.3); }
  50% { box-shadow: 0 0 32px rgba(125, 255, 106, 0.55); }
}

.facility {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin: 8px 0 14px;
  min-height: 60px;
}

.node {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 8px;
  text-align: center;
  cursor: pointer;
  font-size: 0.78rem;
  line-height: 1.3;
  transition: transform 0.12s ease, border-color 0.12s ease, opacity 0.25s ease;
}

.node:hover { transform: translateY(-2px); border-color: var(--accent); }
.node:active { transform: translateY(0); }

.node .icon { display: block; font-size: 1.3rem; margin-bottom: 4px; }
.node .yield { display: block; font-size: 0.65rem; color: var(--muted); margin-top: 3px; }

.node.taken { opacity: 0; transform: scale(0.75); }
.node.new { animation: pop 0.25s ease; }
.node.targeting { border-color: var(--accent2); box-shadow: 0 0 0 2px rgba(201, 255, 92, 0.25); }
.node.locked { pointer-events: none; opacity: 0.5; }

@keyframes pop {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}

.flavor {
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  min-height: 1.4em;
  margin: 0 0 24px;
}

.ending {
  text-align: center;
  background: var(--card);
  border: 1.5px solid var(--accent);
  border-radius: 16px;
  padding: 28px 20px;
  margin-bottom: 24px;
}

.ending h2 {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  color: var(--accent2);
  margin: 0 0 8px;
  word-break: break-all;
}

.ending.purged { border-color: var(--danger); }
.ending.purged h2 { color: var(--danger); }
.ending.fizzled { border-color: #ffd15c; }
.ending.fizzled h2 { color: #ffd15c; }

.ending-sub { color: var(--ink); font-size: 0.9rem; margin: 0 0 14px; }
.ending-report { color: var(--muted); font-size: 0.82rem; line-height: 1.6; max-width: 480px; margin: 0 auto 18px; }

.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.btn {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.btn:hover { border-color: var(--accent2); transform: translateY(-1px); }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0c0a;
  font-weight: 700;
}

.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }

.actions { margin-top: 8px; text-align: center; }

footer {
  margin-top: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.6;
}

footer a { color: var(--accent2); }

.fineprint { opacity: 0.7; }

@media (max-width: 420px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}