:root{
  --bg:#0b1020;
  --card:#111a33;
  --card2:#0f1730;
  --text:#e7ecff;
  --muted:#aab4e6;
  --primary:#6ea8ff;
  --danger:#ff5d7a;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1000px 600px at 20% 10%, #1a2a5a 0%, transparent 55%),
              radial-gradient(900px 600px at 80% 0%, #3a1c4f 0%, transparent 55%),
              var(--bg);
  color:var(--text);
}
.app{max-width:1100px;margin:0 auto;padding:18px;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:14px 16px;border-radius:16px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:12px;}
.logo{width:34px;height:34px;border-radius:10px;
  background: conic-gradient(from 180deg, #6ea8ff, #7cffa6, #ffd66e, #ff6ea8, #6ea8ff);
  filter:saturate(1.2);
  box-shadow: 0 12px 30px rgba(110,168,255,.25);
}
.title{font-weight:800;letter-spacing:.2px;font-size:18px;line-height:1.1}
.subtitle{font-size:12px;color:var(--muted);margin-top:2px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding:10px 12px;border-radius:12px;
  cursor:pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,.2);
}
.btn:hover{background:rgba(255,255,255,.09)}
.btn:active{transform: translateY(1px)}
.btnPrimary{background: rgba(110,168,255,.18);border-color: rgba(110,168,255,.35)}

.main{display:grid;grid-template-columns: 1fr 320px;gap:16px;margin-top:16px;align-items:start;}
.stage{
  position:relative;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:16px;
  box-shadow: var(--shadow);
}
#game{display:block;margin:0 auto;border-radius:14px;background:#060a16;border:1px solid rgba(255,255,255,.08)}
.startScreen{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background: rgba(0,0,0,.58);border-radius:18px;z-index:2;
}
.startScreen.hidden{display:none}
.startCard{
  width:min(92%,420px);
  background: rgba(15,23,48,.95);
  border:1px solid rgba(255,255,255,.10);
  border-radius:18px;
  padding:18px;
  box-shadow: var(--shadow);
}

.panel{display:flex;flex-direction:column;gap:12px}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:14px;
  box-shadow: var(--shadow);
}
.cardTitle{font-weight:700;margin-bottom:10px;color:var(--muted)}
.kpi{display:flex;justify-content:space-between;align-items:baseline;margin:8px 0}
.kpiLabel{color:var(--muted);font-size:13px}
.kpiValue{font-size:22px;font-weight:800}
.help{margin:0;padding-left:18px;color:var(--text)}
.help li{margin:6px 0;color:var(--text)}
.hint{margin-top:10px;color:var(--muted);font-size:12px}
.footer{margin-top:10px;color:var(--muted);font-size:12px}
.settingRow{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;margin-bottom:10px;
}
.settingRow label{font-size:14px}
.settingRow input[type="number"]{
  width:110px;
  background: rgba(255,255,255,.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius:10px;
  padding:8px 10px;
}
.settingRow input[type="checkbox"]{
  width:20px;height:20px;
}

.touch{
  display:none;
  grid-template-columns:repeat(3, minmax(56px, 1fr));
  grid-template-rows:repeat(3, minmax(56px, 1fr));
  gap:10px;
  margin:14px auto 0;
  width:min(240px, 100%);
  touch-action:none;
}
.pad{
  padding:14px 10px;border-radius:14px;min-height:56px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color:var(--text);
  font-size:16px;
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
}
.padRotate{grid-column:2;grid-row:1}
.padLeft{grid-column:1;grid-row:2}
.padPause{grid-column:2;grid-row:2}
.padRight{grid-column:3;grid-row:2}
.padDown{grid-column:2;grid-row:3}

.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background: rgba(0,0,0,.55);border-radius:18px;}
.overlay.hidden{display:none}
.overlayCard{width:min(92%, 420px);background: rgba(15,23,48,.92);border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:18px;box-shadow: var(--shadow);backdrop-filter: blur(10px)}
.overlayTitle{font-size:18px;font-weight:900;margin-bottom:6px}
.overlayText{color:var(--muted);margin-bottom:14px}
.overlayButtons{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}

@media (max-width: 900px){
  .app{padding:0 10px 10px}
  .topbar{display:none}
  .main{grid-template-columns: 1fr; margin-top:0}
  .stage{
    display:flex;
    flex-direction:column;
    align-items:center;
    padding:8px 8px 10px;
  }
  #game{
    margin:0 auto;
  }
  .panel{order:2}
  .touch{
    display:grid;
    margin:8px auto 0;
  }
  .actions .btn{padding:8px 10px}
}