:root{
  --bg:#FFF4E0;
  --ink:#3B2A1A;
  --muted:#8C6F52;
  --good:#2EB872;
  --paper:#FFFFFF;
  --font:"Rubik", "Segoe UI", system-ui, sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{background:var(--bg)}
body{margin:0;color:var(--ink);font:16px/1.35 var(--font);padding-inline:8px;padding-block:6px 10px;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;
  background:radial-gradient(110% 80% at 50% 30%,#FFFBF2 0%,#FFE8C2 85%) fixed,var(--bg)}
.app{max-width:900px;margin-inline:auto;width:100%;height:calc(100vh - 16px);height:calc(100dvh - 16px);min-height:440px;display:grid;grid-template-rows:auto auto 1fr auto;grid-template-columns:minmax(0,1fr);gap:8px}

.bar{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px}
.back{color:var(--muted);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap}
.back:hover{color:var(--ink)}
.title{margin:0;font-weight:800;font-size:clamp(1.3rem,4vw,1.9rem);white-space:nowrap}
.title span{color:#3D8BFD}
.bar-actions{display:flex;gap:8px;align-items:center}
.icon-btn{width:44px;height:44px;border-radius:14px;border:0;background:rgba(140,111,82,.15);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0;font-size:22px}
.icon-btn span{display:grid;place-items:center}
.icon-btn span[hidden]{display:none}
.icon-btn svg{width:22px;height:22px}
button{font:inherit;cursor:pointer}
.btn{border:0;border-radius:16px;background:#fff;color:var(--ink);font-weight:800;padding:12px 18px;font-size:1.05rem;box-shadow:0 4px 0 rgba(120,80,30,.22)}
.btn:active{translate:0 3px;box-shadow:0 1px 0 rgba(120,80,30,.22)}
.btn.primary{background:var(--good);color:#fff;box-shadow:0 4px 0 #1E8A52}
.btn.big{font-size:1.3rem;padding:14px 28px;width:100%}
.btn[hidden]{display:none}
:focus-visible{outline:3px solid #3D8BFD;outline-offset:3px}

.info{display:flex;align-items:center;justify-content:space-between;gap:8px}
.seg{display:flex;gap:6px}
.seg button{border:3px solid transparent;border-radius:14px;background:#fff;color:var(--ink);font-weight:800;padding:6px 12px;box-shadow:0 2px 0 rgba(120,80,30,.15)}
.seg button[aria-checked="true"]{border-color:#3D8BFD;background:#EAF3FF}
.pill{background:#fff;border-radius:999px;padding:6px 14px;font-weight:800;box-shadow:0 2px 0 rgba(120,80,30,.15)}

.stage{position:relative;min-height:0;touch-action:none}
canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;user-select:none;-webkit-user-select:none}
.controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}

.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(80,50,20,.45);overflow-y:auto}
.overlay[hidden]{display:none}
.sheet{width:100%;max-width:460px;background:var(--paper);color:var(--ink);border-radius:26px;padding:22px;display:grid;gap:14px;box-shadow:0 20px 50px rgba(80,50,20,.35)}
.sheet.center{text-align:center;justify-items:center}
.help{margin:0;font-size:15px;color:var(--muted);line-height:1.55;text-align:left}
.help b{color:var(--ink)}
.trophy{font-size:64px;line-height:1}
.end-title{margin:0;font-weight:800;font-size:1.7rem}
.stickers{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;width:100%}
.stickers div{aspect-ratio:1;border-radius:14px;background:#F6EFE2;display:grid;place-items:center;font-size:24px;color:#C9B79E}
.stickers canvas{width:100%;height:100%}

@media (max-width:640px){
  .back-tx{display:none}
  .back{font-size:22px}
  .seg button{padding:5px 8px;font-size:14px}
}