*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;font-family:'Nunito',sans-serif;touch-action:none;user-select:none;-webkit-user-select:none}
body{background:linear-gradient(180deg,#eef7f7,#dcefee 45%,#c6e3e0)}
.panel{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
.panel[hidden]{display:none}
h1{font-family:'Alfa Slab One',cursive;font-size:clamp(30px,9vw,58px);color:#455a64;text-shadow:0 3px 0 #fff}
.lead{font-size:clamp(13px,4vw,18px);color:#90a4ae;font-weight:600;margin:8px 0 22px}
.hero{font-size:clamp(58px,15vw,92px);margin-bottom:8px;animation:float 2.4s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-16px)}}
.play-btn{font-family:'Alfa Slab One',cursive;font-size:clamp(18px,5vw,24px);background:#90a4ae;color:#fff;border:none;border-radius:50px;padding:16px 46px;box-shadow:0 6px 0 #455a64;cursor:pointer}
.play-btn:active{transform:translateY(4px);box-shadow:0 2px 0 #455a64}
.help{margin-top:22px;background:rgba(255,255,255,.75);border-radius:20px;padding:14px 22px;max-width:340px;color:#455a64;font-size:14px;line-height:1.7;font-weight:500}
.bar{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(255,255,255,.62);backdrop-filter:blur(6px)}
.bar b{font-family:'Alfa Slab One',cursive;color:#455a64;font-size:clamp(15px,4vw,21px)}
.target{display:flex;align-items:center;gap:8px;font-weight:700;color:#455a64;font-size:clamp(11px,3vw,14px);text-align:center}
.swatch{width:26px;height:26px;box-shadow:inset 0 -4px 8px rgba(0,0,0,.15);border-radius:50% 0 50% 0;}
#tank{position:fixed;inset:0;display:none}
.obj{position:absolute;will-change:top,left;cursor:pointer}
.blob{width:100%;height:100%;box-shadow:inset -6px -8px 12px rgba(0,0,0,.12),inset 6px 6px 10px rgba(255,255,255,.6);border-radius:50% 0 50% 0;}
.emoji-obj{display:flex;align-items:center;justify-content:center;line-height:1}
.burst{position:absolute;pointer-events:none;font-size:22px;animation:bz .5s forwards}
@keyframes bz{to{transform:scale(1.8);opacity:0}}
.foot{position:fixed;bottom:6px;width:100%;text-align:center;font-size:11px;z-index:11}
.foot a{color:#90a4ae;margin:0 10px;text-decoration:none;opacity:.8}