:root{
  --bg:#05070c;
  --panel:#0b1220;
  --panel2:#0c1528;
  --ink:#d7e3ff;
  --muted:#7f93c7;
  --stroke:rgba(255,255,255,.09);
  --glow:rgba(90,140,255,.20);
  --accent:#7aa2ff;
  --good:#33d17a;
  --warn:#f9c74f;
  --bad:#ff5c7a;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 25% 10%, rgba(122,162,255,.12), transparent 60%),
              radial-gradient(900px 600px at 80% 30%, rgba(255,92,122,.08), transparent 60%),
              var(--bg);
  color:var(--ink);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 18px;
  border-bottom:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}

.brand{display:flex; align-items:center; gap:12px}
.logo{
  width:42px; height:42px; border-radius:12px;
  display:grid; place-items:center;
  background:linear-gradient(180deg, rgba(122,162,255,.16), rgba(255,255,255,.03));
  border:1px solid var(--stroke);
  box-shadow: 0 10px 30px rgba(0,0,0,.35), 0 0 0 1px rgba(122,162,255,.12) inset;
}
.title h1{margin:0; font-size:22px; letter-spacing:.2px}
.title h1 span{color:var(--accent)}
.sub{margin:4px 0 0; color:var(--muted); font-size:12.5px}

.actions{display:flex; gap:10px}
.btn{
  appearance:none;
  border:1px solid var(--stroke);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  color:var(--ink);
  border-radius:12px;
  padding:10px 14px;
  cursor:pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.btn:hover{border-color:rgba(122,162,255,.35)}
.btn.primary{
  border-color:rgba(122,162,255,.35);
  box-shadow: 0 10px 30px rgba(0,0,0,.25), 0 0 0 1px rgba(122,162,255,.18) inset;
}

.layout{
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
  padding:14px;
  max-width:1200px;
  margin:0 auto;
}

.hud{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:10px;
}
.card{
  padding:12px 12px;
  border:1px solid var(--stroke);
  border-radius:14px;
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.card.wide{grid-column:1/-1}
.k{color:var(--muted); font-size:11px; letter-spacing:.7px; text-transform:uppercase}
.v{margin-top:6px; font-size:18px; font-weight:700}

.stage{
  display:grid;
  gap:10px;
}
.frame{
  position:relative;
  border-radius:22px;
  border:1px solid var(--stroke);
  background: radial-gradient(800px 400px at 50% 0%, rgba(122,162,255,.10), transparent 55%),
              linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 1px rgba(122,162,255,.08) inset;
  padding:14px;
  min-height: 560px; /* IMPORTANT: canvas needs a real height */
}

canvas{
  display:block;
  width:100%;
  height:100%;
  min-height: 520px;
  border-radius:16px;
  background: rgba(0,0,0,.35);
  outline: 1px solid rgba(255,255,255,.06);
}

.dpad{
  position:absolute;
  right:18px;
  bottom:18px;
  display:grid;
  grid-template-columns: repeat(3, 58px);
  grid-template-rows: repeat(3, 58px);
  gap:10px;
  opacity:.95;
  user-select:none;
  -webkit-user-select:none;
  touch-action:none;
}
.dpad-btn{
  width:58px; height:58px;
  border-radius:16px;
  border:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
  box-shadow: 0 14px 35px rgba(0,0,0,.35);
}
.dpad-btn:active{transform: translateY(1px)}
.up{grid-column:2; grid-row:1}
.left{grid-column:1; grid-row:2}
.mid{grid-column:2; grid-row:2}
.right{grid-column:3; grid-row:2}
.down{grid-column:2; grid-row:3}

.footer{
  max-width:1200px;
  margin:0 auto;
  padding:10px 14px 18px;
  color:var(--muted);
  font-size:12px;
}
@media (max-width: 860px){
  .hud{grid-template-columns: repeat(2, minmax(0,1fr));}
  .frame{min-height: 520px;}
}