:root{
  --bg:#070a14; --panel:#0b1220; --line:#243047; --text:#e5e7eb; --muted:#a8b3cf;
  --accent:#a78bfa;
}

html,body{
  height:100%;
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui, sans-serif;
}

.wrap{
  min-height:100vh;
  display:grid;
  place-items:center;
}

.frame{
  width:min(920px, 96vw);
  display:grid;
  grid-template-columns: 1fr 280px;
  gap:14px;
  align-items:start;
}

canvas{
  width:100%;
  height:auto;
  display:block;
  border:1px solid var(--line);
  border-radius:14px;
  background: radial-gradient(circle at 50% 40%, #101a3a, #070a14 70%);
}

.side{ width:280px; }

.side h1{
  margin:0 0 10px;
  font-size:20px;
}

.panel{
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px;
  margin:10px 0;
  background:rgba(255,255,255,0.02);
}

.panel h2{
  margin:0 0 8px;
  font-size:14px;
  color:var(--muted);
}

.row{
  display:flex;
  justify-content:space-between;
  padding:6px 0;
  border-bottom:1px dashed rgba(255,255,255,0.08);
}
.row:last-child{ border-bottom:none; }

.k{ color:var(--muted); }
.v{ font-variant-numeric: tabular-nums; }

ul{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  line-height:1.6;
}
.note{
  margin:0;
  color:var(--muted);
  line-height:1.6;
}

/* スクロール誤爆減らす */
html, body {
  overscroll-behavior: none;
  touch-action: manipulation;
}

/* タッチUI */
.touch-ui{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display:none;
  padding:10px;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  z-index:9999;
  pointer-events:auto;
}

.touch-ui button{ pointer-events:auto; }

/* 十字キー */
.dpad{
  width: 150px;
  height: 150px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 8px;
}
.pad{
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(20,25,40,0.85);
  color: rgba(255,255,255,0.9);
  border-radius: 14px;
  font-size: 18px;
}
.pad.up{ grid-column:2; grid-row:1; }
.pad.left{ grid-column:1; grid-row:2; }
.pad.right{ grid-column:3; grid-row:2; }
.pad.down{ grid-column:2; grid-row:3; }

/* 右側ボタン */
.btns{
  display:flex;
  gap: 10px;
  align-items: center;
}
.btn{
  min-width: 92px;
  height: 54px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(20,25,40,0.85);
  color: rgba(255,255,255,0.9);
  font-weight: 800;
}
.btn.bomb{ min-width: 104px; }

.menuBtns{
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: min(720px, 96vw);
  display: none;
  gap: 8px;
  justify-content: center;
  z-index: 60;
  pointer-events: none;
}
.menuBtns .btn{ pointer-events: auto; }

.btn.mini{
  min-width: 88px;
  height: 44px;
  border-radius: 14px;
  font-weight: 800;
}
.btn.start{
  min-width: 120px;
  height: 44px;
  border-radius: 14px;
  font-weight: 900;
}

/* スマホ */
@media (hover: none) and (pointer: coarse){
  .frame{ grid-template-columns: 1fr; }
  .side{ display:none; }
}

@media (max-width: 900px){
  .frame{ grid-template-columns: 1fr; }
  .side{ display:none; }

  .wrap{
    padding:
      10px
      max(10px, env(safe-area-inset-right))
      calc(10px + env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
  }

  canvas{
    width: min(92vw, 560px);
    max-height: 68vh;
    margin: 0 auto;
    display: block;
  }

  .touch-ui{
    display:flex;
    padding: 10px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }

  .menuBtns{
    top: auto;
    bottom: calc(160px + env(safe-area-inset-bottom));
    left: auto;
    right: 10px;
    transform: none;
    width: auto;
    display: none;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
    pointer-events: none;
  }

  .menuBtns .btn{
    min-width: 82px;
    height: 40px;
    border-radius: 14px;
    font-size: 13px;
    padding: 0 10px;
  }
  .menuBtns .btn.start{
    min-width: 120px;
    font-size: 14px;
  }

  body{
    -webkit-user-select: none;
    user-select: none;
  }
}

/* control mode */
.ctrl-mode{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:8px;
}
.ctrl-mode label{
  display:flex;
  gap:8px;
  align-items:center;
  cursor:pointer;
  user-select:none;
}
.note.small{
  font-size:12px;
  opacity:.85;
  margin:8px 0 0;
}