/* ===== Tron Precision (Cyan→Magenta) ===== */
:root{
  --bg:#060a16; --text:#eaf6ff; --muted:#9cc6d9;
  --cyan:#00ffff; --mag:#ff00ff;
  --glass:rgba(255,255,255,.06); --glass-b:rgba(255,255,255,.14);
}
*{box-sizing:border-box} html,body{height:100%}
body{
  margin:0;color:var(--text);font-family:"DM Sans",system-ui,Segoe UI,Roboto,Arial;
  background:
    /* subtle grid + scanlines */
    linear-gradient(to bottom, rgba(255,255,255,.03) 1px, transparent 1px) 0 0/100% 22px,
    linear-gradient(to right, rgba(255,255,255,.02) 1px, transparent 1px) 0 0/22px 100%,
    radial-gradient(1200px 800px at 70% -10%, rgba(0,255,255,.06), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(255,0,255,.06), transparent 60%),
    linear-gradient(180deg,#050915,#0a1022 60%,#060a16);
}

.brand{font-family:Orbitron,sans-serif;margin:0;font-weight:700;letter-spacing:.4px;
  font-size:clamp(24px,3.2vw,38px)}
.brand span{color:var(--cyan);text-shadow:0 0 12px rgba(0,255,255,.75),0 0 22px rgba(255,0,255,.35)}

.app-header{
  position:relative; max-width:1100px; margin:18px auto 6px; padding:12px 16px;
  display:grid; grid-template-columns:1fr; gap:14px; place-items:center;
}

/* Floating hamburger (top-right) */
.hamburger{
  position:fixed; top:14px; right:16px; z-index:20; width:42px; height:38px;
  background:rgba(12,20,40,.65); border:1px solid rgba(255,255,255,.18);
  border-radius:10px; cursor:pointer; display:grid; place-items:center;
  box-shadow:0 6px 18px rgba(0,0,0,.35);
}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);margin:3px 0;box-shadow:0 0 8px rgba(0,255,255,.7)}
.hamburger.active span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.nav-panel{
  position:fixed; top:60px; right:16px; z-index:19; width:220px; padding:10px 12px;
  background:var(--glass); border:1px solid var(--glass-b); backdrop-filter:blur(12px) saturate(130%);
  border-radius:12px; box-shadow:0 10px 26px rgba(0,0,0,.4);
  opacity:0; transform:translateY(-8px); pointer-events:none; transition:.18s ease;
}
.nav-panel.open{opacity:1; transform:translateY(0); pointer-events:auto}
.nav-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.nav-panel a{color:var(--text); text-decoration:none}
.nav-panel a:hover{color:#fff; text-shadow:0 0 8px rgba(0,255,255,.7)}

.glass{background:var(--glass);border:1px solid var(--glass-b);backdrop-filter:blur(10px) saturate(130%);border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.controls{
  display:grid; grid-template-columns:1fr 1fr; gap:12px; padding:12px; width:100%;
  max-width:600px; margin:0 auto;
}
.control{display:grid; gap:6px}
.control span{font-size:12px;color:var(--muted)}
select{
  appearance:none;background:#0b1329;color:var(--text);
  border:1px solid rgba(0,255,255,.45);border-radius:10px;padding:9px 12px;font-weight:700;cursor:pointer
}
select:focus{outline:none;box-shadow:0 0 12px rgba(0,255,255,.6)}
select option[disabled]{color:#8aa1b8}

.sound-btn{
  position:absolute; right:16px; bottom:-10px; width:36px; height:36px;
  display:grid; place-items:center; border-radius:50%; border:1px solid rgba(255,255,255,.18);
  background:rgba(12,20,40,.65); color:var(--text); cursor:pointer;
  box-shadow:0 6px 18px rgba(0,0,0,.35);
}
.sound-btn:hover{filter:brightness(1.08)}

.app-main{max-width:1100px;margin:6px auto 24px;padding:0 16px;display:grid;gap:16px}
.wheel-wrap{position:relative;margin:0 auto;aspect-ratio:1/1;width:min(92vw,680px);display:flex;align-items:center;justify-content:center;border-radius:50%}
#wheelCanvas{width:100%;height:100%;border-radius:50%;filter:drop-shadow(0 14px 40px rgba(0,0,0,.35))}

.pointer{position:absolute;top:-6px;left:50%;transform:translateX(-50%);
  width:0;height:0;border-left:16px solid transparent;border-right:16px solid transparent;border-top:24px solid var(--cyan);
  filter:drop-shadow(0 0 10px rgba(0,255,255,.8));z-index:5}

.clicker{position:absolute;display:grid;place-items:center;width:28%;aspect-ratio:1/1;border-radius:50%;cursor:pointer;border:0;
  background: radial-gradient(120% 120% at 50% 40%, rgba(0,255,255,.28), rgba(0,0,0,.68) 60%),
              radial-gradient(60% 60% at 50% 60%, rgba(255,0,255,.22), transparent 60%);
  box-shadow: 0 0 0 2px rgba(255,255,255,.92), 0 0 28px rgba(0,255,255,.6), inset 0 0 28px rgba(0,255,255,.4);
  transition: transform .08s ease, box-shadow .25s ease, filter .25s ease}
.clicker span{font-family:Orbitron,sans-serif;font-weight:700;letter-spacing:.6px}
.clicker:hover{transform:translateY(-1px);filter:brightness(1.06)}
.clicker:active{transform:scale(.98)}
.clicker.spinning{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 2px rgba(255,255,255,.95),0 0 28px rgba(0,255,255,.65), inset 0 0 26px rgba(0,255,255,.4)}50%{box-shadow:0 0 0 2px rgba(255,255,255,1),0 0 46px rgba(0,255,255,.9), inset 0 0 36px rgba(0,255,255,.55)}}

.result-wrap{margin:8px auto 0;max-width:720px;padding:12px 18px;text-align:center}
#result{font-size:clamp(18px,2.4vw,26px);margin:.2rem 0;text-shadow:0 0 12px rgba(0,255,255,.55),0 0 22px rgba(255,0,255,.35)}
.hint{color:var(--muted);margin:.2rem 0 .1rem}
.footer{text-align:center;color:var(--muted);padding:18px 0 32px;font-size:12px}

@media (max-width:640px){
  .controls{grid-template-columns:1fr; max-width:420px}
  .sound-btn{right:12px; bottom:-14px}
  .pointer{top:6px}
}