html,body{
  margin:0;
  width:100%;
  height:100%;
  overflow:hidden;
  background:#8ecbff;
  font-family:Arial,Helvetica,sans-serif;
  color:white;
}
canvas{display:block}
#hud{
  position:fixed;
  top:18px;
  left:18px;
  width:280px;
  padding:14px 16px;
  background:rgba(0,0,0,0.42);
  border:1px solid rgba(120,210,255,0.7);
  border-radius:12px;
  backdrop-filter:blur(8px);
  z-index:10;
}
.title{
  font-weight:800;
  letter-spacing:1px;
  color:#8be4ff;
  margin-bottom:8px;
}
#mainWarning{
  margin-top:8px;
  color:#ffeb6b;
  font-weight:800;
}
#pauseStatus{
  font-weight:800;
  color:#8be4ff;
}
#missionPanel{
  position:fixed;
  top:18px;
  right:18px;
  width:330px;
  padding:14px 16px;
  background:rgba(0,0,0,0.58);
  border:1px solid rgba(255,255,255,0.28);
  border-radius:12px;
  backdrop-filter:blur(8px);
  z-index:10;
}
.missionTitle{
  color:#8be4ff;
  font-weight:800;
  letter-spacing:1px;
}
.missionName{
  font-size:20px;
  font-weight:800;
  margin-top:4px;
}
.missionText{
  color:#dff7ff;
  margin:8px 0 12px;
  line-height:1.35;
}
.codeBox{
  background:rgba(0,0,0,0.5);
  border:1px solid rgba(139,228,255,0.35);
  border-radius:8px;
  padding:10px;
  font-family:Menlo,Consolas,monospace;
  font-size:15px;
}
.codeKeyword{color:#7ad7ff}
.codeInput{
  width:78px;
  padding:4px 6px;
  border:1px solid rgba(139,228,255,0.65);
  border-radius:5px;
  background:rgba(0,0,0,0.55);
  color:#ffffff;
  font:inherit;
}
.buttonRow{
  display:flex;
  gap:8px;
  margin-top:10px;
}
.buttonRow button,#tryAgainButton{
  border:0;
  border-radius:7px;
  padding:7px 10px;
  background:#8be4ff;
  color:#001923;
  font-weight:800;
  cursor:pointer;
}
#resetMissionButton{
  background:#d8f3ff;
}
#pauseButton{
  background:#ffeb8a;
}
#codeFeedback{
  margin-top:10px;
  min-height:34px;
  color:#dff7ff;
  line-height:1.35;
}
.flightReadout{
  margin-top:10px;
  padding-top:10px;
  border-top:1px solid rgba(255,255,255,0.22);
  line-height:1.45;
  color:#eaffff;
}
#engineStatus{
  font-weight:800;
  color:#ff5b5b;
}
#warningOverlay{
  position:fixed;
  left:50%;
  top:22%;
  transform:translateX(-50%);
  color:#ff3838;
  font-size:38px;
  font-weight:900;
  letter-spacing:2px;
  text-shadow:0 0 18px rgba(255,0,0,0.8);
  z-index:9;
  pointer-events:none;
  opacity:0;
  transition:opacity 0.15s;
}
#warningOverlay.visible{
  opacity:1;
  animation:pulseWarning 0.45s infinite alternate;
}
@keyframes pulseWarning{
  from{transform:translateX(-50%) scale(1)}
  to{transform:translateX(-50%) scale(1.06)}
}
#pauseOverlay{
  position:fixed;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  color:#ffffff;
  font-size:44px;
  font-weight:900;
  letter-spacing:3px;
  text-shadow:0 0 18px rgba(0,0,0,0.9);
  z-index:12;
  pointer-events:none;
}
.hidden{
  display:none !important;
}
body.shake canvas{
  animation:screenShake 0.12s infinite;
}
@keyframes screenShake{
  0%{transform:translate(0,0)}
  25%{transform:translate(3px,-2px)}
  50%{transform:translate(-3px,2px)}
  75%{transform:translate(2px,3px)}
  100%{transform:translate(0,0)}
}
#resultOverlay{
  position:fixed;
  left:50%;
  top:34%;
  transform:translate(-50%,-50%);
  z-index:21;
  pointer-events:none;
}
#resultBox{
  width:340px;
  padding:18px 20px;
  text-align:center;
  background:rgba(0,0,0,0.52);
  border:1px solid rgba(255,80,80,0.75);
  border-radius:14px;
  backdrop-filter:blur(7px);
  pointer-events:auto;
}
#resultTitle{
  font-size:28px;
  font-weight:900;
  color:#ff4d4d;
  letter-spacing:1px;
}
#resultMessage{
  margin:10px 0 14px;
  color:#f1f1f1;
  line-height:1.35;
}
#debugPanel{
  position:fixed;
  left:18px;
  bottom:18px;
  width:285px;
  background:rgba(0,0,0,0.58);
  border:1px solid rgba(255,255,255,0.28);
  border-radius:10px;
  font-size:13px;
  color:#dff7ff;
  z-index:10;
  overflow:hidden;
}
#debugHeader{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:9px 10px;
  background:rgba(255,255,255,0.08);
  font-weight:700;
}
#debugToggle{
  border:0;
  border-radius:6px;
  padding:4px 8px;
  background:#8be4ff;
  color:#001923;
  font-weight:700;
  cursor:pointer;
}
#debugBody{
  padding:10px 12px 12px;
  line-height:1.45;
}
#debugPanel.collapsed #debugBody{
  display:none;
}
.debugDivider{
  height:1px;
  background:rgba(255,255,255,0.2);
  margin:9px 0;
}
#debugPanel label{
  display:block;
  margin-top:8px;
}
#debugPanel input[type="range"]{
  width:100%;
}
.numberBox{
  width:58px;
  padding:2px 4px;
  border:1px solid rgba(139,228,255,0.55);
  border-radius:5px;
  background:rgba(0,0,0,0.35);
  color:#ffffff;
  font:inherit;
  text-align:center;
}
.numberBox.wide{
  width:78px;
}
.checkboxRow{
  display:flex !important;
  align-items:center;
  gap:8px;
}
.checkboxRow input{
  width:auto;
}