:root {
  --ink: #05060f;
  --panel: rgba(12, 10, 26, .8);
  --panel-2: #1c1a36;
  --line: #3a3660;
  --text: #f2f0ff;
  --muted: #a09cc8;
  --accent: #ffb43a;
  --good: #6ee07a;
  --bad: #ff6a5a;
  --pixel-font: "Press Start 2P", monospace;
  --body-font: "VT323", monospace;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--ink);
  color: var(--text);
  font-family: var(--body-font);
  font-size: 20px;
  line-height: 1.1;
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  touch-action: manipulation;
  cursor: pointer;
}

.hidden { display: none !important; }

/* Pixel-style border: hard 2px edges, no rounded corners. */
.px {
  border: 2px solid var(--line);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, .6);
}

#scene {
  position: fixed;
  left: 0;
  top: 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}

#app {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  max-width: 520px;
  margin: 0 auto;
  padding-top: env(safe-area-inset-top);
  pointer-events: none;
}

/* ---------- HUD ---------- */

#hud {
  pointer-events: auto;
  cursor: pointer;
  text-align: center;
  padding: 14px 12px 0;
  text-shadow: 2px 2px 0 #000;
}

.temp {
  font-family: var(--pixel-font);
  font-size: clamp(30px, 10vw, 44px);
  color: var(--temp-color, #9fd3ff);
  letter-spacing: -1px;
}

.temp-sub {
  font-family: var(--pixel-font);
  font-size: 10px;
  color: var(--muted);
  margin-top: 8px;
}

.hud-line {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 6px;
  font-size: 20px;
  color: var(--muted);
}

.hud-line b { color: var(--text); font-weight: normal; }

.spacer { flex: 1; }

/* ---------- Bottom sheet ---------- */

#sheet {
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  height: min(360px, 46dvh);
  margin: 0 10px 0 8px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-bottom: 0;
  transition: height .2s steps(4);
}

#sheet.collapsed { display: none; }

#main { flex: 1; min-height: 0; display: flex; }

/* The opening movie: only the big number and its caption stay on screen. */
body.cinema #main, body.cinema .hud-line { visibility: hidden; }
body.cinema .temp { font-size: clamp(16px, 5.5vw, 26px); }
#column { flex: 1; min-width: 0; display: flex; flex-direction: column; }


.section + .section { margin-top: 14px; }
.section-title { margin: 0 0 8px; color: var(--accent); }

.badge {
  display: inline-block;
  padding: 2px 4px;
  background: var(--accent);
  color: #2a1600;
  font-size: 8px;
  vertical-align: 1px;
}

#panel {
  flex: 1;
  min-height: 0;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.tab { display: none; }
.tab.active { display: block; }

/* ---------- Domains ---------- */

.domain-head { margin-bottom: 8px; }
.meter-row { display: flex; justify-content: space-between; font-family: var(--pixel-font); font-size: 10px; }
.meter-row b { font-weight: normal; color: var(--accent); }
.meter { height: 10px; margin: 6px 0; background: #000; border: 2px solid var(--line); }
.meter i { display: block; height: 100%; width: 0; background: repeating-linear-gradient(90deg, var(--accent) 0 6px, #ff7a2a 6px 8px); }
.counter-note { margin: 0; font-size: 17px; color: var(--muted); }
.counter-note b { font-weight: normal; color: var(--text); }

/* ---------- Lists ---------- */

.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }

.item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  background: var(--panel-2);
  border: 2px solid var(--line);
  opacity: .55;
  touch-action: manipulation;
}

.item.affordable { opacity: 1; cursor: pointer; border-color: #5a5490; }
.item.affordable:active { transform: translate(2px, 2px); }
.item.mystery { opacity: .35; }

.item .icon {
  flex: 0 0 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, .35);
  border: 2px solid #000;
}

.sprite { width: 40px; height: 40px; image-rendering: pixelated; }
.item .icon .q { font-family: var(--pixel-font); font-size: 16px; color: var(--muted); }

.item .info { flex: 1; min-width: 0; }
.item .name { font-family: var(--pixel-font); font-size: 10px; line-height: 1.4; }
.item .desc { font-size: 17px; color: var(--muted); }
.item .meta { font-size: 17px; color: var(--accent); }

.item .side { text-align: right; }
.item .count { font-family: var(--pixel-font); font-size: 16px; color: rgba(255, 255, 255, .85); }
.item .cost { font-size: 20px; white-space: nowrap; color: var(--bad); }
.item.affordable .cost { color: var(--good); }

.empty { color: var(--muted); text-align: center; }

/* ---------- Planet tab ---------- */

.stats {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  margin: 4px 4px 12px;
}

.stats dt { color: var(--muted); }
.stats dd { margin: 0; text-align: right; }

h3 { margin: 12px 4px 8px; font-family: var(--pixel-font); font-size: 10px; font-weight: normal; }



.danger {
  display: block;
  width: 100%;
  margin: 16px 0 6px;
  padding: 10px;
  font-family: var(--pixel-font);
  font-size: 10px;
  color: var(--bad);
  background: rgba(255, 90, 74, .12);
  border: 2px solid var(--bad);
}

.version { margin: 4px; text-align: center; color: var(--muted); font-size: 14px; }

.update {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 8px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  padding: 10px 14px;
  font-family: var(--pixel-font);
  font-size: 9px;
  color: var(--text);
  background: var(--panel-2);
  border: 2px solid var(--accent);
}

/* ---------- Early game ---------- */


.note { margin: 6px 0 0; font-size: 17px; color: var(--muted); }
.hud-line small { color: var(--muted); font-size: 16px; }
.item.alive { opacity: 1; border-color: #2f6a4a; }
.item.alive .cost { color: var(--good); }


.item.extinct { opacity: .5; border-color: #3a2a2a; }
.item.extinct .cost { color: var(--muted); }
.item.dying { border-color: var(--bad); }
.item.dying .cost { color: var(--bad); }

.slider { width: 100%; margin: 4px 0 8px; accent-color: var(--accent); }

.float.soup { color: #8af0b0; }
.float.rain { color: #8ac8ff; font-size: 11px; }
.float.miss { color: #a09cc8; font-size: 10px; }
.float.critter { font-size: 9px; animation-duration: 2s; }
.float.critter.good { color: #8af0b0; }
.float.critter.bad { color: #ff8a7a; }

/* ---------- Life tab ---------- */

.tree-summary { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 18px; }
.tree-summary .alive { color: var(--good); }
.tree-summary .available { color: var(--accent); }
.tree-summary .waiting { color: var(--muted); }
.tree-summary .blocked, .tree-summary .extinct { color: var(--bad); }

.tree, .tree ul { list-style: none; margin: 0; padding: 0; }
.tree ul { margin-left: 6px; padding-left: 5px; border-left: 2px solid var(--line); }
.tree li { margin-top: 4px; }

.node {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 6px 2px 2px;
  background: var(--panel-2);
  border: 2px solid var(--line);
  font-size: 17px;
}

.node-icon { flex: 0 0 26px; height: 26px; display: grid; place-items: center; background: rgba(0, 0, 0, .35); }
.node-icon .sprite { width: 22px; height: 22px; }
.node-icon .q { font-family: var(--pixel-font); font-size: 10px; color: var(--muted); }
.node-name { flex: 1; min-width: 70px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.node-detail { color: var(--muted); white-space: nowrap; overflow: hidden; min-width: 0; display: flex; align-items: center; gap: 4px; }
.node-status { font-family: var(--pixel-font); font-size: 7px; min-width: 44px; text-align: right; }

.node .bar { display: inline-block; width: 34px; height: 6px; background: #000; border: 1px solid var(--line); }
.node .bar i { display: block; height: 100%; background: var(--good); }
.node .warn { color: var(--bad); font-style: normal; }

.node.alive { border-color: #2f6a4a; }
.node.alive .node-status { color: var(--good); }
.node.available { border-color: var(--accent); cursor: pointer; }
.node.available .node-status { color: var(--accent); }
.node.available:not(.affordable) { opacity: .7; }
.node.waiting { opacity: .55; }
.node.blocked { opacity: .5; border-style: dashed; border-color: var(--bad); }
.node.blocked .node-status, .node.extinct .node-status { color: var(--bad); }
.node.extinct { opacity: .6; border-color: #4a2a2a; }
.node.extinct .node-name { text-decoration: line-through; }

/* ---------- Game over ---------- */

#gameover {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(5, 6, 15, .8);
}

.gameover-box {
  width: min(100%, 420px);
  padding: 16px;
  background: var(--panel-2);
  border: 2px solid var(--bad);
  box-shadow: 4px 4px 0 #000;
}

.gameover-box h2 { margin: 0 0 10px; font-family: var(--pixel-font); font-size: 16px; font-weight: normal; color: var(--bad); }
.gameover-box p { margin: 0 0 10px; }

#gameover-restart {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  font-family: var(--pixel-font);
  font-size: 10px;
  color: #2a1600;
  background: var(--accent);
  border: 2px solid #fff0c0;
}

/* ---------- Effects ---------- */

#fx { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 10; }

.float {
  position: absolute;
  font-family: var(--pixel-font);
  font-size: 14px;
  color: #ffe08a;
  text-shadow: 2px 2px 0 #000;
  transform: translate(-50%, -50%);
  animation: float-up 1s steps(10) forwards;
  white-space: nowrap;
}

@keyframes float-up {
  to { transform: translate(-50%, -260%); opacity: 0; }
}

/* A thawed gas: lit up, with a gauge of its level in the air. */
.item.researched { opacity: 1; border-color: var(--accent); box-shadow: 0 0 8px rgba(255, 180, 58, .35); }
.item.researched .icon { border-color: var(--accent); }
.item.researched .meta .meter { margin: 4px 0 2px; }
.item.researched .meta span { color: var(--text); }
.item.researched .cost { color: var(--accent); }