:root{
  --sky:#CFEFFF;
  --sky-2:#E8F6FF;
  --ink:#2A2540;
  --sun:#FFC529;
  --sun-dark:#D99A00;
  --go:#2DB75A;
  --go-dark:#1E8A41;
  --font:"Baloo 2", "Comic Sans MS", "Segoe UI", system-ui, sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{background:var(--sky-2)}
body{margin:0;font-family:var(--font);color:var(--ink);padding-inline:16px;padding-block:10px 14px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.app{max-width:1300px;margin-inline:auto;height:calc(100vh - 24px);height:calc(100dvh - 24px);min-height:420px;display:grid;grid-template-rows:auto 1fr;gap:10px}

.bar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.back{color:var(--ink);text-decoration:none;font-weight:700;font-size:15px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.75)}
.bar-title{font-weight:800;font-size:19px}
.icon-btn{width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.75);display:grid;place-items:center;cursor:pointer;color:var(--ink);padding:0}
.icon-btn span{display:grid;place-items:center}
.icon-btn span[hidden]{display:none}
.icon-btn svg{width:24px;height:24px}

.stage{position:relative;border-radius:26px;overflow:hidden;background:var(--sky);box-shadow:0 12px 30px rgba(42,37,64,.15), inset 0 0 0 4px rgba(255,255,255,.6)}
canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}


.overlay{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:20px;text-align:center;padding:24px;background:rgba(255,255,255,.35)}
.overlay[hidden]{display:none}
.rainbow{margin:0;font-weight:800;font-size:clamp(2.6rem,9vw,5rem);line-height:1;text-wrap:balance;text-shadow:0 3px 0 #fff, 0 -2px 0 #fff, 2px 0 0 #fff, -2px 0 0 #fff, 0 10px 20px rgba(42,37,64,.2)}
.rainbow.big{font-size:clamp(2.8rem,10vw,5.5rem)}
.big-btn{width:150px;height:150px;border-radius:50%;border:8px solid #fff;background:var(--sun);padding:0;box-shadow:0 10px 0 var(--sun-dark),0 22px 34px rgba(42,37,64,.25);cursor:pointer;display:grid;place-items:center;transition:transform .08s, box-shadow .08s;animation:breathe 1.6s ease-in-out infinite}
.big-btn svg{width:62%;height:62%}
.big-btn:active{transform:translateY(8px);box-shadow:0 2px 0 var(--sun-dark),0 10px 20px rgba(42,37,64,.2)}
.big-btn:focus-visible,.icon-btn:focus-visible,.back:focus-visible{outline:4px solid var(--ink);outline-offset:4px}
@keyframes breathe{50%{scale:1.06}}
.parent{max-width:48ch;margin:0;font-size:14px;line-height:1.45;background:rgba(255,255,255,.88);padding:10px 14px;border-radius:14px}

@media (max-width:560px){
  .big-btn{width:120px;height:120px}
  .bar-title{display:none}
  .parent{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  .big-btn{animation:none;transition:none}
}