:root{--sky: #8fd3ff;--sun: #ffd766;--deep: #123b6b;--cream: #fff8e6;color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden;background:#7db6f0;font-family:ui-rounded,Segoe UI,system-ui,-apple-system,sans-serif;color:var(--cream);-webkit-font-smoothing:antialiased;user-select:none;-webkit-user-select:none}.game-root{position:fixed;inset:0;touch-action:none;-webkit-tap-highlight-color:transparent;cursor:grab}.game-root:active{cursor:grabbing}.game-canvas{display:block;width:100%;height:100%}.hud{position:absolute;top:max(16px,env(safe-area-inset-top));left:0;right:0;display:flex;flex-direction:column;align-items:center;pointer-events:none;text-shadow:0 2px 12px rgba(20,59,107,.5)}.score{font-size:clamp(2.4rem,9vw,3.6rem);font-weight:800;color:#fff}.focus{font-size:clamp(.9rem,4vw,1.2rem);font-weight:700;color:var(--sun);height:1.4em;text-transform:uppercase;letter-spacing:.08em}.tank{position:absolute;right:max(16px,env(safe-area-inset-right));top:50%;transform:translateY(-50%);width:34px;height:190px;border-radius:10px;background:#ffffff38;border:2px solid rgba(255,255,255,.5);overflow:hidden;pointer-events:none;box-shadow:0 4px 16px #143b6b40}.tank-fill{position:absolute;left:0;bottom:0;width:100%;height:30%;background:linear-gradient(180deg,#6fd0ff,#2a8fd8);transition:height .12s ease-out}.tank.danger .tank-fill{background:linear-gradient(180deg,#ff8a5c,#e8402c);animation:warn .5s ease-in-out infinite}@keyframes warn{0%,to{opacity:1}50%{opacity:.6}}.tank-label{position:absolute;bottom:6px;left:50%;transform:translate(-50%);font-size:.6rem;font-weight:800;letter-spacing:.1em;color:#ffffffe6}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;background:radial-gradient(120% 80% at 50% 38%,#123b6b26,#123b6b8c);pointer-events:none;animation:fade .4s ease}@keyframes fade{0%{opacity:0}to{opacity:1}}.overlay h1{font-size:clamp(3rem,13vw,5rem);line-height:.95;color:#fff;text-shadow:0 0 40px rgba(255,215,102,.6)}.overlay h1 span{display:block;color:var(--sun)}.overlay h2{font-size:clamp(1.6rem,7vw,2.4rem);color:#fff}.tag{font-size:1.15rem;color:var(--sun);font-style:italic;font-weight:600}.how{max-width:32ch;color:#fff8e6d9;line-height:1.5;font-size:.95rem;margin-bottom:6px}.final{font-size:clamp(3rem,15vw,5rem);font-weight:800;color:var(--sun)}.best{color:#fff8e6cc;letter-spacing:.04em}.play{margin-top:6px;padding:14px 34px;font-size:1.15rem;font-weight:700;font-family:inherit;color:#123b6b;background:linear-gradient(180deg,#ffe9a8,var(--sun));border:none;border-radius:999px;box-shadow:0 8px 26px #ffc83c80;animation:pulse 1.8s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}