*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;touch-action:manipulation;overflow-x:hidden}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.game{width:min(94vw,380px);display:flex;flex-direction:column;gap:12px}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px}.title{font-size:clamp(26px,7vw,40px);font-weight:800;line-height:1;letter-spacing:-1px}.scores{display:flex;gap:8px}.score-box{background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:5px 10px;text-align:center;min-width:58px}.score-box .label{font-size:10px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.score-box .value{font-size:20px;font-weight:800;line-height:1.1}.controls{display:flex;align-items:center;justify-content:space-between;gap:12px}.how{font-size:13px;opacity:.85;flex:1}.how b{font-weight:700}.next{display:flex;flex-direction:column;align-items:center;gap:2px;flex-shrink:0}.next-label{font-size:10px;text-transform:uppercase;letter-spacing:1px;opacity:.75;font-weight:700}#next-c{width:48px;height:48px}.board{position:relative;width:100%;aspect-ratio:340 / 480;margin:0 auto;border-radius:16px;overflow:hidden;box-shadow:0 18px 44px -18px #00000073,inset 0 0 0 1px #ffffff0d;cursor:pointer;touch-action:none}#canvas{display:block;width:100%;height:100%}.overlay{position:absolute;inset:0;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:20px;background:var(--overlay-bg);z-index:10;opacity:0;pointer-events:none;transition:opacity .22s ease}.overlay.show{opacity:1;pointer-events:auto}.overlay .msg{font-size:clamp(30px,10vw,48px);font-weight:800;color:var(--accent);text-shadow:0 0 22px rgba(0,0,0,.35)}.overlay.show .msg{animation:sk-pop .56s cubic-bezier(.2,.9,.25,1)}.overlay .sub{font-size:15px;font-weight:700;opacity:.92}.overlay .actions{display:flex;gap:10px;margin-top:4px}@keyframes sk-pop{0%{transform:scale(.6);opacity:0}45%{transform:scale(1.12);opacity:1}to{transform:scale(1);opacity:1}}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 18px;font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}@media(prefers-reduced-motion:reduce){.overlay.show .msg{animation:none}}