:root {
  --ink: #e9e6df;
  --dim: #9aa0a6;
  --panel: rgba(14, 16, 19, 0.72);
  --edge: rgba(255, 255, 255, 0.09);
  --human: #d9c9a8;
  --panic: #d98b3f;
  --police: #5b8fd6;
  --turning: #b45f5f;
  --zombie: #6fbf4a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #10131a;
  color: var(--ink);
  font: 13px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
}

#scene { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; }

#titlebar {
  position: fixed; top: 18px; left: 20px; pointer-events: none;
}
#titlebar h1 { margin: 0; font-size: 19px; font-weight: 600; letter-spacing: 0.2px; }
#titlebar p { margin: 3px 0 0; color: var(--dim); font-size: 12px; max-width: 30ch; }

#hud, #controls {
  position: fixed;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 10px;
  padding: 12px 14px;
  backdrop-filter: blur(12px);
}

#hud { top: 18px; right: 20px; width: 328px; }
#controls { bottom: 18px; left: 20px; width: 328px; }

.readout { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 17px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 9px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--dim); }
.stat[data-role="human"] b { color: var(--human); }
.stat[data-role="panic"] b { color: var(--panic); }
.stat[data-role="police"] b { color: var(--police); }
.stat[data-role="turning"] b { color: var(--turning); }
.stat[data-role="zombie"] b { color: var(--zombie); }

.bar { height: 6px; margin-top: 12px; border-radius: 3px; background: rgba(255,255,255,0.08); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--zombie); transition: width 0.3s linear; }
.bar-label { display: flex; justify-content: space-between; margin-top: 5px; font-size: 11px; color: var(--dim); }
.bar-label span:first-child { color: var(--zombie); font-variant-numeric: tabular-nums; }

#curve { display: block; margin-top: 8px; width: 100%; height: 56px; }

button {
  font: inherit; color: var(--ink); cursor: pointer;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--edge); border-radius: 7px;
  padding: 6px 11px; margin: 0 6px 6px 0;
}
button:hover { background: rgba(255,255,255,0.13); }

summary { cursor: pointer; color: var(--dim); margin-top: 4px; }
.keys { list-style: none; padding: 0; margin: 8px 0; columns: 2; color: var(--dim); font-size: 11px; }
.keys li { margin-bottom: 3px; break-inside: avoid; }
kbd {
  background: rgba(255,255,255,0.1); border: 1px solid var(--edge);
  border-radius: 4px; padding: 0 4px; font: inherit; font-size: 10px;
}
#controls label { display: flex; justify-content: space-between; align-items: center; margin: 5px 0; color: var(--dim); }
#controls input {
  width: 82px; font: inherit; color: var(--ink);
  background: rgba(0,0,0,0.35); border: 1px solid var(--edge);
  border-radius: 5px; padding: 3px 6px;
}

#loading {
  position: fixed; inset: 0; display: grid; place-content: center; gap: 14px;
  background: #10131a; z-index: 10; transition: opacity 0.5s;
}
#loading.done { opacity: 0; pointer-events: none; }
#loading-text { color: var(--dim); text-align: center; }
#loading-bar { width: 220px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
#loading-bar i { display: block; height: 100%; width: 0; background: var(--zombie); transition: width 0.25s; }

@media (max-width: 820px) {
  #hud, #controls { width: calc(100vw - 40px); }
  #hud { top: auto; bottom: 300px; right: 20px; }
  #titlebar { display: none; }
}

#outcome {
  margin: 8px 0 0; padding: 6px 9px; border-radius: 6px;
  font-size: 12px; text-align: center;
  background: rgba(111, 191, 74, 0.15); color: var(--zombie);
  border: 1px solid rgba(111, 191, 74, 0.35);
}
#outcome[data-outcome="contained"] {
  background: rgba(91, 143, 214, 0.15); color: var(--police);
  border-color: rgba(91, 143, 214, 0.35);
}