* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
:root {
  --bg: #0a0913;
  --bg2: #0f0d1d;
  --ink: #e9e6ff;
  --rune: #ff9a3c;
  --mana: #57c8ff;
  --gold: #ffd34d;
  --vio: #c08bff;
  --core: #ff5d7a;
  --pan: rgba(20,16,36,.92);
}
html, body {
  height: 100%;
  background: radial-gradient(1200px 700px at 50% -10%, #1a1530 0%, var(--bg) 60%);
  color: var(--ink);
  font-family: 'Trebuchet MS', system-ui, -apple-system, sans-serif;
  overflow: hidden;
  user-select: none;
  touch-action: none;
}
.topbar {
  position: fixed; top: 0; left: 0; right: 0; height: 46px; z-index: 40;
  display: flex; align-items: center; gap: 12px; padding: 0 14px;
  background: linear-gradient(180deg, rgba(12,10,24,.95), rgba(12,10,24,.55) 70%, transparent);
  backdrop-filter: blur(4px);
}
.topbar .back { color: var(--ink); text-decoration: none; opacity: .82; font-size: 14px; }
.topbar .back:hover { opacity: 1; }
.topbar .brand { font-weight: bold; letter-spacing: .5px; font-size: 16px;
  background: linear-gradient(90deg, #ffcaa0, #c08bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.topbar .hs { margin-left: auto; font-size: 13px; opacity: .9; }
.topbar .hs b { color: var(--gold); }

#stage {
  position: absolute; inset: 0; top: 46px;
  display: flex; align-items: center; justify-content: center;
}
canvas { display: block; background: linear-gradient(180deg, #120e22 0%, #0a0814 100%);
  box-shadow: 0 0 60px rgba(120,80,200,.18), inset 0 0 80px rgba(0,0,0,.5);
  border-radius: 10px; touch-action: none; }

#hud {
  position: absolute; top: 54px; left: 0; right: 0; z-index: 20;
  display: flex; gap: 7px; justify-content: center; flex-wrap: wrap; padding: 0 8px;
  pointer-events: none;
}
.hudChip {
  background: rgba(18,14,34,.82); border: 1px solid rgba(160,130,240,.22);
  border-radius: 999px; padding: 4px 11px; font-size: 12.5px; letter-spacing: .3px;
  backdrop-filter: blur(3px);
}
.hudChip b { color: #fff; font-size: 13.5px; }
.hudChip.orb b { color: var(--mana); }
.hudChip.gem b { color: var(--gold); }

#comboTag {
  position: absolute; left: 50%; top: 40%; transform: translate(-50%,-50%);
  z-index: 25; pointer-events: none; font-weight: 900; font-size: 46px;
  background: linear-gradient(90deg, #ffd34d, #ff7ad0, #57c8ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 30px rgba(255,150,80,.4); transition: opacity .25s;
}
#comboTag small { display:block; font-size: 16px; font-weight: 700; color: #fff; text-align: center; -webkit-text-fill-color:#fff; }
#comboTag.hidden { opacity: 0; }

#toast {
  position: absolute; left: 50%; top: 22%; transform: translate(-50%,-50%);
  z-index: 26; pointer-events: none;
  background: rgba(20,16,38,.92); border: 1px solid rgba(180,150,255,.3);
  padding: 12px 22px; border-radius: 14px; font-size: 17px; font-weight: bold;
  box-shadow: 0 12px 40px rgba(0,0,0,.5); transition: opacity .3s, transform .3s;
}
#toast.hidden { opacity: 0; transform: translate(-50%,-70%); }

.overlay {
  position: absolute; inset: 0; z-index: 30;
  display: flex; align-items: center; justify-content: center; padding: 16px;
  background: radial-gradient(900px 600px at 50% 30%, rgba(30,22,55,.6), rgba(6,5,12,.86));
  backdrop-filter: blur(5px);
}
.overlay.hidden { display: none; }
.panel {
  width: min(94vw, 460px); max-height: 88vh; overflow-y: auto;
  background: var(--pan); border: 1px solid rgba(170,140,255,.25);
  border-radius: 20px; padding: 24px 22px; text-align: center;
  box-shadow: 0 24px 70px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.05);
}
.panel h1 { font-size: 30px; margin-bottom: 4px; letter-spacing: .5px; }
.panel h1 .em { filter: drop-shadow(0 0 12px rgba(255,160,90,.6)); }
.panel h2 { font-size: 22px; margin-bottom: 8px; }
.subt { font-size: 15px; letter-spacing: 4px; text-transform: uppercase; color: var(--vio); margin-bottom: 14px; }
.sub { font-size: 13.5px; line-height: 1.7; opacity: .9; margin-bottom: 18px; }
.sub .cT { color: var(--rune); }
.ctrl { font-size: 12px; opacity: .65; margin-top: 14px; line-height: 1.6; }
.btn {
  display: inline-block; margin: 6px 5px 0; padding: 12px 26px; border: none; cursor: pointer;
  border-radius: 999px; font-size: 16px; font-weight: bold; font-family: inherit;
  color: #1a0e22; background: linear-gradient(135deg, #ffd34d, #ff9a3c);
  box-shadow: 0 8px 24px rgba(255,150,60,.35); transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,150,60,.45); }
.btn:active { transform: translateY(0); }
.btn.ghost { color: var(--ink); background: rgba(255,255,255,.06); border: 1px solid rgba(180,150,255,.3); box-shadow: none; }

.howBody { text-align: left; font-size: 13px; line-height: 1.5; }
.howBody p { margin: 7px 0; display: flex; align-items: center; gap: 8px; }
.howBody hr { border: none; border-top: 1px solid rgba(180,150,255,.18); margin: 12px 0; }
.howBody b { color: #fff; }
.pin { width: 16px; height: 16px; border-radius: 50%; flex: 0 0 auto; box-shadow: 0 0 8px currentColor; }
.pinR { background: var(--rune); color: var(--rune); }
.pinB { background: var(--mana); color: var(--mana); }
.pinG { background: var(--gold); color: var(--gold); }
.pinV { background: var(--vio); color: var(--vio); }
.pinC { background: var(--core); color: var(--core); }

.shopTop { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.goldTag { background: rgba(255,211,77,.12); border: 1px solid rgba(255,211,77,.4); border-radius: 999px; padding: 4px 12px; font-size: 14px; }
.goldTag b { color: var(--gold); }
#shopGrid { display: grid; grid-template-columns: 1fr; gap: 9px; margin: 14px 0 6px; }
.shopItem {
  display: flex; align-items: center; gap: 12px; text-align: left; cursor: pointer;
  background: rgba(255,255,255,.04); border: 1px solid rgba(170,140,255,.2);
  border-radius: 14px; padding: 11px 13px; transition: transform .1s, border-color .1s, background .1s;
}
.shopItem:hover { transform: translateY(-2px); border-color: rgba(255,200,120,.55); background: rgba(255,255,255,.07); }
.shopItem.bought { opacity: .45; pointer-events: none; }
.shopItem.locked { opacity: .5; cursor: not-allowed; }
.shopItem .ic { font-size: 26px; flex: 0 0 auto; width: 34px; text-align: center; filter: drop-shadow(0 0 6px rgba(255,180,90,.5)); }
.shopItem .txt { flex: 1; }
.shopItem .nm { font-weight: bold; font-size: 14.5px; }
.shopItem .ds { font-size: 11.5px; opacity: .75; line-height: 1.35; }
.shopItem .cost { font-size: 13px; color: var(--gold); font-weight: bold; white-space: nowrap; }
.shopItem .lv { font-size: 10.5px; opacity: .6; }

.statgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.cell { background: rgba(255,255,255,.04); border: 1px solid rgba(170,140,255,.18); border-radius: 12px; padding: 12px 8px; }
.cell .k { font-size: 12px; opacity: .7; }
.cell .v { font-size: 24px; font-weight: 900; margin-top: 3px; }
.cell .v.gold { color: var(--gold); }

@media (max-height: 560px) {
  .panel { padding: 16px; }
  .panel h1 { font-size: 24px; }
  .sub { margin-bottom: 12px; }
}