:root{
  --bg:#0f1220;
  --ink:#eaf2ff;
  --muted:#b9c5dd;
  --line: rgba(255,255,255,.12);
  --pill: rgba(20,28,45,.8);
  --btn:#eaf2ff;
  --btnInk:#0f1220;
}
*{ box-sizing:border-box; }
html,body{ height:100%; margin:0; background:radial-gradient(1200px 800px at 50% 0%, #1c2747 0%, var(--bg) 55%, #0a0c12 100%); color:var(--ink); }
body{ font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
#wrap{ min-height:100%; display:flex; flex-direction:column; }
.topbar{
  padding:12px 14px;
  display:flex; gap:12px; align-items:center; justify-content:space-between;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.12));
}
.brand{ display:flex; align-items:center; gap:10px; font-weight:800; }
.brand .dot{ width:10px; height:10px; border-radius:3px; background:#7fe3a1; box-shadow:0 0 0 2px rgba(127,227,161,.25); }
.hint{ color:var(--muted); font-size:13px; max-width:66ch; }

.stage{ position:relative; flex:1; display:flex; align-items:center; justify-content:center; padding:14px; }
canvas#game{
  width:min(100%, 980px);
  height:auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border-radius:16px;
  border:1px solid var(--line);
  box-shadow: 0 18px 60px rgba(0,0,0,.45);
  background:#0b0f18;
}

.hud{
  position:absolute; left:18px; right:18px; bottom:22px;
  display:flex; justify-content:space-between; gap:14px;
  pointer-events:none;
}
.hud-left{ display:flex; flex-direction:column; gap:10px; max-width:min(70ch, 70%); }
.pill{
  display:flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:14px;
  background:var(--pill); border:1px solid var(--line);
  backdrop-filter: blur(10px);
  pointer-events:auto;
}
.pill img{ width:18px; height:18px; opacity:.92; }
.pill span{ font-size:13px; }

.hud-right{ display:flex; align-items:flex-end; pointer-events:auto; }
.btn{
  appearance:none; border:0; border-radius:14px;
  padding:10px 14px; background:var(--btn); color:var(--btnInk);
  font-weight:800; cursor:pointer; box-shadow: 0 10px 30px rgba(0,0,0,.22);
}
.btn:active{ transform: translateY(1px); }
.btn.btn-ghost{ background:transparent; color:var(--ink); border:1px solid var(--line); box-shadow:none; }

.modal{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,0,0,.45);
  backdrop-filter: blur(8px);
  padding:16px;

  opacity:0;
  pointer-events:none;
  transition: opacity 160ms ease;
}
.modal[aria-hidden="false"]{
  opacity:1;
  pointer-events:auto;
}
.card{
  width:min(520px, 92vw);
  background:rgba(10,12,18,.92);
  border:1px solid var(--line); border-radius:18px;
  box-shadow: 0 20px 80px rgba(0,0,0,.55);
  padding:14px 14px 12px;

  transform: translateY(8px) scale(0.98);
  transition: transform 160ms ease;
}
.modal[aria-hidden="false"] .card{
  transform: translateY(0) scale(1);
}
.card-title{ font-weight:900; margin:2px 2px 10px; }
.card-body{ color:var(--muted); line-height:1.5; white-space:pre-wrap; }
.card-actions{ display:flex; gap:10px; justify-content:flex-end; margin-top:12px; }

.footer{ padding:10px 14px; border-top:1px solid var(--line); color:rgba(234,242,255,.65); font-size:12px; }