:root {
  --sky: #5c94fc;
  --panel: #1a1c2e;
  --panel-border: #33355a;
  --text: #ffffff;
  --text-dim: #c7cbe6;
  --accent: #fbd000;
  --danger: #e0463c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: #111;
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  height: 100%;
  overflow: hidden;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: 6px;
  gap: 6px;
}

#topbar { display: flex; align-items: baseline; gap: 8px; }
#topbar h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 3px;
  color: var(--accent);
  text-shadow: 2px 2px 0 #7a2a00;
}
.version { font-size: 11px; color: var(--text-dim); }

#hud {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-dim);
}
#hud span { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; margin-left: 4px; }

#canvas-wrap {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 0;
  display: flex;
  justify-content: center;
}

#game-canvas {
  background: var(--sky);
  border: 2px solid var(--panel-border);
  border-radius: 10px;
  height: 100%;
  max-width: 100%;
  image-rendering: pixelated;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}
.overlay.hidden { display: none; }
.overlay-card {
  text-align: center;
  background: var(--panel);
  border: 2px solid var(--accent);
  padding: 22px 28px;
  border-radius: 12px;
}
.overlay-card h2 { margin: 0 0 6px; letter-spacing: 2px; }
.overlay-card p { margin: 0 0 14px; color: var(--text-dim); font-size: 13px; white-space: pre-line; }
.overlay-card .btn { padding: 10px 22px; font-size: 13px; background: var(--accent); border-color: var(--accent); color: #402800; font-weight: 700; }

.btn {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
}
.btn:active { background: var(--accent); border-color: var(--accent); color: #402800; }
.btn.small { flex: 1; max-width: 140px; }

#bottom-bar { display: flex; gap: 8px; width: 100%; max-width: 460px; justify-content: center; }

#hint { font-size: 11px; color: #9aa; margin: 0; }

#touch-controls {
  display: none;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding: 4px 10px;
}
.tc-left, .tc-right { display: flex; gap: 10px; }

.tc-btn {
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.35);
  color: var(--text);
  border-radius: 50%;
  font-size: 20px;
  width: 62px;
  height: 62px;
}
.tc-btn:active { background: var(--accent); border-color: var(--accent); color: #402800; }
.tc-action { border-radius: 30px; width: 74px; font-size: 13px; font-weight: 700; }
.tc-jump { background: rgba(224,70,60,0.35); }

@media (max-width: 720px), (pointer: coarse) {
  #hint { display: none; }
  #game-canvas { height: 56vh; }
  #touch-controls { display: flex; }
  #hud { font-size: 10px; gap: 10px; padding: 4px 8px; }
}

@media (min-width: 721px) and (pointer: fine) {
  #touch-controls { display: none !important; }
}