body {
  margin: 0;
  overflow: hidden;
  background: radial-gradient(circle at center, #0b1026 0%, #050505 70%);
  color: white;
  font-family: Arial, sans-serif;
}

canvas {
  display: block;
}

#ui {
  position: absolute;
  top: 20px;
  left: 20px;
  pointer-events: none;
  background: rgba(5, 8, 20, 0.6);
  padding: 14px 18px;
  border-radius: 14px;
  backdrop-filter: blur(4px);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  z-index: 10;
  max-width: 420px;
}

#ui h1 { margin: 0 0 10px; font-size: 22px; color: #7fd8ff; }
#ui p { margin: 6px 0; font-size: 14px; }
.status { font-weight: bold; padding: 2px 8px; border-radius: 4px; }
.on { background: #2ecc71; color: #04150b; }
.off { background: #e74c3c; color: white; }
.hint { color: #ffd166; }
.quest { color: #9dff9d; }

#dialogHint {
  display: none;
  color: #ffe08a;
  font-weight: bold;
}

#dialogBox {
  display: none;
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  min-width: 300px;
  max-width: 620px;
  padding: 14px 18px;
  background: rgba(5, 8, 20, 0.9);
  border: 1px solid rgba(127, 216, 255, 0.35);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  z-index: 20;
}

#dialogSpeaker {
  color: #7fd8ff;
  font-weight: bold;
  margin-bottom: 6px;
}

#dialogText {
  color: #eef6ff;
  line-height: 1.5;
  white-space: pre-line;
}

#dialogChoices {
  display: none;
  margin-top: 12px;
  gap: 8px;
  pointer-events: auto;
}

.choiceBtn {
  background: #1e3247;
  color: white;
  border: 1px solid rgba(127, 216, 255, 0.35);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}

.choiceBtn:hover {
  background: #27425d;
}

kbd {
  background: #444;
  border-radius: 3px;
  padding: 1px 5px;
  border: 1px solid #777;
  color: yellow;
}