:root{
  --accent:#e8343f; --gold:#f2c230; --gold2:#ffe39a;
  --panel:rgba(43,18,48,.9); --line:rgba(242,194,48,.45);
  --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;margin:0}
html,body{height:100%;overflow:hidden}
body{display:flex;flex-direction:column;background:radial-gradient(ellipse at top,#4a2070,#1b0f3a 70%);color:#fff;
  font-family:"Baloo 2",system-ui,sans-serif;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;border:0;cursor:pointer}
[hidden]{display:none!important}

.btn{font-weight:800;border-radius:999px;padding:10px 22px;transition:transform .08s,filter .15s;letter-spacing:.3px}
.btn:active{transform:translateY(3px)}
.btn.gold{color:#5a1210;background:linear-gradient(#ffe68a,#f2b51f);box-shadow:0 5px 0 #b07a0d,0 8px 18px rgba(0,0,0,.35);text-shadow:0 1px 0 rgba(255,255,255,.5)}
.btn.gold:active{box-shadow:0 2px 0 #b07a0d}
.btn.gold:hover{filter:brightness(1.06)}
.btn.ghost{background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.25)}
.btn.big{font-size:22px;padding:13px 40px}

.top{display:flex;align-items:center;gap:10px;padding:calc(8px + var(--safe-t)) 12px 8px;background:linear-gradient(var(--accent),rgba(0,0,0,.25));border-bottom:2px solid var(--gold)}
.title{font-weight:800;font-size:19px;color:var(--gold2);white-space:nowrap;display:flex;gap:6px;align-items:center;text-shadow:0 2px 0 rgba(0,0,0,.35)}
.hud{flex:1;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.hud b{background:rgba(0,0,0,.3);border-radius:999px;padding:3px 12px;font-size:17px;white-space:nowrap}
.icon-btn{background:rgba(0,0,0,.3);border-radius:999px;width:38px;height:38px;font-size:18px;flex:none}

.stage{flex:1;position:relative;min-height:0;touch-action:none;overflow:hidden}
#cv{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}

#flash{position:fixed;left:0;right:0;top:38%;display:flex;justify-content:center;pointer-events:none;z-index:2}
.pop{position:absolute;font-weight:800;font-size:clamp(26px,7vw,44px);color:#fff;text-shadow:0 3px 0 #6b1420,0 0 18px rgba(0,0,0,.5);animation:popup .9s ease-out forwards;white-space:nowrap}
.pop.gold{color:var(--gold2)}
.pop.bad{color:#ff8a8a}
.pop.big{font-size:clamp(36px,10vw,64px);color:var(--gold2)}
@keyframes popup{0%{transform:scale(.5);opacity:0}20%{transform:scale(1.15);opacity:1}100%{transform:translateY(-50px);opacity:0}}

.count{position:fixed;inset:0;display:grid;place-items:center;z-index:4;font-size:clamp(70px,22vw,140px);font-weight:800;color:var(--gold2);text-shadow:0 6px 0 #6b1420;pointer-events:none}
.count.go{animation:countIn .45s ease-out}
@keyframes countIn{from{transform:scale(2);opacity:0}}

.panel{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(440px,calc(100% - 32px));max-height:calc(100% - 90px);overflow:auto;
  background:var(--panel);border:2px solid var(--line);border-radius:22px;padding:18px 20px 20px;text-align:center;z-index:3;box-shadow:0 20px 60px rgba(0,0,0,.5);animation:mgIn .3s ease both}
@keyframes mgIn{from{opacity:0;transform:translate(-50%,-44%)}to{opacity:1;transform:translate(-50%,-50%)}}
.big-ico{font-size:58px;line-height:1}
.panel h3{font-size:26px;color:var(--gold2);margin:4px 0 8px}
.panel ul{text-align:left;padding-left:20px;margin:0 0 12px;display:grid;gap:6px;font-size:15px;line-height:1.35}
.panel ul b{color:var(--gold2)}
.pick-label{font-weight:700;font-size:14px;opacity:.85;margin-bottom:6px}
.chars{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.char{background:rgba(255,255,255,.06);border:2px solid transparent;border-radius:14px;padding:4px 2px 2px;display:flex;flex-direction:column;align-items:center;font-size:13px;font-weight:700}
.char canvas,.char img{width:64px;height:78px;object-fit:contain}
.char.on{border-color:var(--gold);background:rgba(242,194,48,.18)}
.best{font-size:14px;opacity:.85;margin-bottom:12px;min-height:1px}
.best b{color:var(--gold2)}
.newbest{display:inline-block;background:linear-gradient(#ffe68a,#f2b51f);color:#5a1210;font-weight:800;padding:4px 16px;border-radius:999px;margin-bottom:6px}
.label{opacity:.75;font-size:14px}
.score{font-size:68px;font-weight:800;line-height:1;color:var(--gold2);text-shadow:0 4px 0 #6b1420}
.stats{display:flex;justify-content:center;gap:12px;margin:12px 0}
.stats div{background:rgba(255,255,255,.08);border-radius:14px;padding:6px 16px;min-width:110px}
.stats small{display:block;opacity:.7;font-size:12px}
.stats b{font-size:24px}
.actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}
@media (max-width:480px){ .title #title{display:none} .hud b{font-size:15px;padding:3px 9px} }

/* ---------- bổ sung cho bộ 4 game ---------- */
.home-btn{background:rgba(0,0,0,.3);border-radius:999px;width:38px;height:38px;font-size:18px;flex:none;display:grid;place-items:center;text-decoration:none;color:#fff}
.stage.has-bg{background:var(--bg) center/cover no-repeat}
.char span{line-height:1.1;text-align:center}
.panel .sub{font-size:14px;opacity:.85;margin:-4px 0 10px}
.seg{display:flex;gap:6px;justify-content:center;margin-bottom:12px;flex-wrap:wrap}
.seg button{background:rgba(255,255,255,.08);border:2px solid transparent;border-radius:999px;padding:6px 14px;font-weight:700;font-size:14px}
.seg button.on{border-color:var(--gold);background:rgba(242,194,48,.2);color:var(--gold2)}