:root{
  --pink:#ff4fd8;
  --blue:#39d8ff;
  --aqua:#48ffd0;
  --ink:#061421;
  --glass:rgba(5,18,33,.62);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body,#app{margin:0;width:100%;height:100%;overflow:hidden;background:#031321}
body{
  font-family:"Fredoka",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#fff;
  touch-action:none;
}
canvas{display:block;width:100%;height:100%}
.hidden{display:none!important}
.screen{
  position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;
  background:
    radial-gradient(circle at 50% 10%,rgba(57,216,255,.20),transparent 35%),
    radial-gradient(circle at 15% 80%,rgba(255,79,216,.15),transparent 28%),
    linear-gradient(180deg,rgba(2,14,28,.3),rgba(1,9,18,.82));
  backdrop-filter:blur(5px);
}
.menu-card,.info-card{
  width:min(720px,94vw);
  padding:clamp(22px,5vw,44px);
  border:1px solid rgba(125,240,255,.35);
  border-radius:34px;
  background:linear-gradient(145deg,rgba(7,33,57,.88),rgba(5,16,32,.82));
  box-shadow:0 22px 90px rgba(0,0,0,.45),inset 0 0 30px rgba(57,216,255,.06);
  text-align:center;
}
.eyebrow{font-size:13px;letter-spacing:.18em;color:#a8efff;text-transform:uppercase;margin-bottom:8px}
h1{
  margin:0;line-height:.82;
  font-family:"Orbitron","Fredoka",sans-serif;
  font-size:clamp(48px,10vw,104px);
  letter-spacing:-.07em;
  text-shadow:0 0 26px rgba(57,216,255,.42);
}
h1 span{
  color:#ff8be6;
  text-shadow:0 0 25px rgba(255,79,216,.55);
}
.tagline{font-size:clamp(16px,3vw,22px);color:#d6f6ff;margin:22px 0}
.level-preview{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:20px}
.level-preview span,.pill{
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);
  border-radius:999px;padding:9px 13px;box-shadow:inset 0 0 12px rgba(255,255,255,.03)
}
.difficulty{display:flex;justify-content:center;gap:10px;margin:18px 0}
.diff,.glass-btn,.secondary-btn{
  font:700 15px "Fredoka";color:#fff;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);border-radius:999px;padding:10px 16px;cursor:pointer
}
.diff.selected{background:linear-gradient(135deg,var(--pink),#a65cff);box-shadow:0 0 24px rgba(255,79,216,.35)}
.play-btn{
  border:0;border-radius:18px;cursor:pointer;padding:16px 28px;
  font:700 20px "Orbitron","Fredoka";color:#04141f;
  background:linear-gradient(135deg,#65ffe0,#4de1ff 55%,#ff8be6);
  box-shadow:0 10px 30px rgba(67,224,255,.28);
}
.play-btn.small{font-size:15px;margin-top:18px}
.secondary-btn{margin-left:8px}
.tiny{font-size:12px;color:#9fc9d6;margin-top:18px;line-height:1.5}
.how-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;text-align:left}
.how-grid>div{padding:14px;border-radius:18px;background:rgba(255,255,255,.06);line-height:1.45}
.hud-left,.hud-right{position:fixed;top:max(12px,env(safe-area-inset-top));z-index:20;display:flex;gap:8px;flex-wrap:wrap}
.hud-left{left:max(12px,env(safe-area-inset-left));max-width:70vw}
.hud-right{right:max(12px,env(safe-area-inset-right));justify-content:flex-end}
.pill,.glass-btn{backdrop-filter:blur(10px);background:var(--glass);font-size:14px}
.brand{font-family:"Orbitron";color:#8af3ff}
.glass-btn{padding:9px 12px}
.level-tag{
  position:fixed;z-index:20;left:50%;top:70px;transform:translateX(-50%);
  font:700 14px "Orbitron";letter-spacing:.12em;
  padding:10px 16px;border-radius:999px;background:rgba(3,17,31,.72);
  border:1px solid rgba(85,228,255,.28);backdrop-filter:blur(10px)
}
#toast{
  position:fixed;z-index:30;left:50%;bottom:28%;transform:translateX(-50%) translateY(10px);
  min-width:180px;text-align:center;padding:12px 18px;border-radius:999px;
  background:rgba(4,17,31,.8);border:1px solid rgba(255,255,255,.17);
  opacity:0;transition:.22s;pointer-events:none;font-weight:700
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.complete-card{max-width:520px}
.big-icon{font-size:64px}
.reward{font:700 24px "Orbitron";color:#75ffe4;margin:20px}
#mobileControls{position:fixed;inset:0;z-index:15;pointer-events:none}
.joystick{
  position:absolute;left:max(16px,env(safe-area-inset-left));bottom:max(18px,env(safe-area-inset-bottom));
  width:148px;height:148px;border-radius:50%;pointer-events:auto;
  border:2px solid rgba(164,244,255,.34);
  background:radial-gradient(circle at 50% 45%,rgba(38,106,148,.35),rgba(7,28,46,.42));
  box-shadow:0 0 30px rgba(57,216,255,.14), inset 0 0 28px rgba(255,255,255,.04);
  backdrop-filter:blur(4px)
}
.joystick::before,.joystick::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:rgba(180,240,255,.12);pointer-events:none
}
.joystick::before{width:2px;height:78%;border-radius:2px}
.joystick::after{width:78%;height:2px;border-radius:2px}
#stick{
  position:absolute;left:43px;top:43px;width:62px;height:62px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#fff,#75e9ff 24%,#d65bff 72%);
  box-shadow:0 0 32px rgba(76,223,255,.45)
}
.depth-controls{
  position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);
  display:flex;gap:12px;pointer-events:auto;z-index:5
}
.depth-controls button{
  width:72px;height:60px;border-radius:20px;border:1px solid rgba(255,255,255,.28);
  background:rgba(5,28,47,.72);color:#fff;font-size:21px;font-weight:800;backdrop-filter:blur(6px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1
}
#lookZone{position:absolute;right:0;top:90px;width:52%;height:calc(100% - 190px);pointer-events:auto}
#rotateHint{
  position:fixed;z-index:16;right:20px;bottom:170px;color:#b9e9f5;font-size:12px;
  background:rgba(0,0,0,.35);padding:8px 10px;border-radius:10px;pointer-events:none
}
@media (pointer:fine){#mobileControls,#rotateHint{display:none!important}}
@media (max-width:650px){
  .menu-card,.info-card{border-radius:26px;padding:24px 18px}
  h1{font-size:54px}
  .how-grid{grid-template-columns:1fr}
  .secondary-btn{margin:10px 0 0}
  .hud-left{top:max(8px,env(safe-area-inset-top));left:8px;gap:5px;max-width:72vw}
  .hud-right{top:max(8px,env(safe-area-inset-top));right:8px;gap:5px;max-width:26vw}
  .pill,.glass-btn{font-size:11px;padding:7px 9px}
  .brand{display:none}
  .level-tag{top:56px;font-size:10px}
}

.depth-controls small{display:block;font-size:9px;letter-spacing:.12em;margin-top:5px;color:#c8f5ff}
#lookZone{z-index:1}
.joystick{z-index:4}
@media(max-width:650px){.depth-controls{bottom:max(12px,env(safe-area-inset-bottom));gap:8px}.depth-controls button{width:64px;height:56px}}