:root{
  --bg:#f4f7ff;
  --bg-2:#eef3ff;
  --card:rgba(255,255,255,.68);
  --text:#1b2236;
  --muted:#5d6b86;
  --line:rgba(27,34,54,.12);
  --primary:#3aa6ff;
  --danger:#ff5a7a;
  --shadow:0 20px 60px rgba(40,60,120,.14);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 700px at 10% 0%, #ffffff 0%, var(--bg) 55%),
    radial-gradient(700px 600px at 90% 10%, #d7e7ff 0%, var(--bg-2) 60%);
  color:var(--text);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(120px 120px at 12% 18%, rgba(58,166,255,.15), transparent 60%),
    radial-gradient(160px 160px at 82% 26%, rgba(98,210,255,.18), transparent 60%),
    radial-gradient(180px 180px at 70% 80%, rgba(90,120,255,.12), transparent 60%);
  pointer-events:none;
}

.app{max-width:520px;margin:0 auto;padding:18px}

.scene{
  height:calc(100dvh - 36px);
  min-height:calc(100dvh - 36px);
  display:flex;
  flex-direction:column;
  gap:18px;
  justify-content:center;
  position:relative;
}
.hidden{display:none !important}

.panel-title{
  margin:0 0 12px 0;
  font-size:20px;
  text-align:center;
}
.meta{color:var(--muted);font-size:14px}

.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  width:100%;
  margin:0 auto;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

label{display:block;margin-top:10px;color:var(--muted);font-size:13px}
input{
  width:100%;
  margin-top:6px;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.75);
  color:var(--text);
  outline:none;
}
input:focus{border-color:rgba(58,166,255,.55)}

.tabs{display:flex;gap:10px}
.tab{
  flex:1;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.45);
  color:var(--text);
  cursor:pointer;
}
.tab.active{background:rgba(58,166,255,.12);border-color:rgba(58,166,255,.35)}
.pane{display:none}
.pane.active{display:block}

.divider{height:1px;background:var(--line);margin:16px 0}

.btn{
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn:hover{border-color:rgba(58,166,255,.35)}
.btn.primary{
  background:linear-gradient(180deg, rgba(58,166,255,.35), rgba(58,166,255,.1));
  border-color:rgba(58,166,255,.5);
}
.btn.ghost{background:rgba(255,255,255,.35)}
.btn.full{width:100%}
.btn.huge{padding:14px 14px;font-size:16px;border-radius:14px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.hint{margin-top:10px;color:var(--muted);font-size:13px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.hud{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.hud-stats{display:flex;gap:14px;flex-wrap:wrap}
.game-wrap{display:flex;justify-content:center;align-items:center;flex:1}
canvas{
  border-radius:18px;
  border:1px solid rgba(27,34,54,.12);
  background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(234,242,255,.9));
  box-shadow: 0 12px 40px rgba(40,60,120,.18);
}

.result-compact{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:12px;
  padding:12px 14px;
}
.result-item{flex:1;text-align:center}
.card{border:1px solid var(--line);border-radius:14px;padding:14px;background:rgba(255,255,255,.75)}
.card .label{color:var(--muted);font-size:12px}
.card .big{font-size:26px;font-weight:700;margin-top:4px}

.leaderboard-title{margin:10px 0 8px 0;font-size:14px;color:var(--muted)}
.leaderboard{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:rgba(255,255,255,.75)}
.leaderboard.compact .lb-row{padding:6px 10px}
.lb-row{display:flex;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--line);font-size:12px}
.lb-row:last-child{border-bottom:none}
.lb-rank{color:var(--muted);width:34px}
.lb-name{flex:1}
.lb-score{font-weight:700}

.share{margin-top:12px}
.share .label{color:var(--muted);font-size:13px;margin-bottom:8px}
.share-actions{display:flex;gap:10px;flex-wrap:wrap}
.share-btn{gap:8px}
.btn-icon{width:18px;height:18px;display:inline-block}

.modal{
  position:fixed;inset:0;
  background:rgba(0,0,0,.55);
  display:flex;align-items:center;justify-content:center;
  padding:18px;
}
.modal-card{
  width:min(720px, 100%);
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}
.modal-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 16px;border-bottom:1px solid var(--line);
}
.modal-title{font-weight:700}
.modal-body{padding:16px;color:var(--text);line-height:1.5}

.game-over{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,0.72);
  backdrop-filter: blur(8px);
  z-index:3;
}
.game-over-card{
  width:min(360px, 92%);
  background:rgba(255,255,255,0.95);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  text-align:center;
  box-shadow: var(--shadow);
}
.game-over-title{font-size:20px;font-weight:700;margin-bottom:6px}
.game-over-msg{color:var(--muted);font-size:14px;margin-bottom:14px}