:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0d0d1a;color:#fafafa;overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem 1rem;background:radial-gradient(ellipse at 20% 50%,rgba(77,166,255,.06) 0%,transparent 60%),radial-gradient(ellipse at 80% 50%,rgba(200,77,255,.06) 0%,transparent 60%),#0d0d1a;position:relative}.header{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:600px;margin-bottom:2rem;gap:1rem;flex-wrap:wrap}.header-left{display:flex;align-items:baseline;gap:1rem}.header-right{display:flex;gap:.5rem}h1{font-size:1.75rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,#4da6ff,#c84dff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.move-counter{font-size:.9rem;color:#ffffff80;font-variant-numeric:tabular-nums}.btn{padding:.5rem 1rem;border-radius:.5rem;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#fffc;font-size:.85rem;cursor:pointer;transition:all .2s ease;font-family:inherit}.btn:hover:not(:disabled){background:#ffffff1f;border-color:#fff3;color:#fff}.btn:active:not(:disabled){transform:scale(.96)}.btn:disabled{opacity:.3;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#4da6ff33,#c84dff33);border-color:#4da6ff4d}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#4da6ff59,#c84dff59);border-color:#4da6ff80}.win-banner{margin-bottom:1.5rem;animation:winAppear .6s cubic-bezier(.34,1.56,.64,1)}.win-text{font-size:1.3rem;font-weight:600;text-align:center;padding:.75rem 2rem;border-radius:1rem;background:linear-gradient(135deg,#4dff9126,#4da6ff26);border:1px solid rgba(77,255,145,.3);color:#4dff91;animation:winGlow 2s ease-in-out infinite}@keyframes winAppear{0%{opacity:0;transform:scale(.5) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes winGlow{0%,to{box-shadow:0 0 20px #4dff911a}50%{box-shadow:0 0 30px #4dff9140}}.game-area{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;max-width:600px;padding:2rem 0}.tube-wrapper{cursor:pointer;display:flex;flex-direction:column;align-items:center;transition:transform .2s cubic-bezier(.34,1.56,.64,1);position:relative}.tube-wrapper:hover{transform:translateY(-4px)}.tube-wrapper:active{transform:translateY(-2px) scale(.97)}.tube-wrapper.selected{transform:translateY(-12px);z-index:10}.tube-wrapper.selected .tube{box-shadow:0 8px 32px #4da6ff4d,0 0 0 2px #4da6ff66}.tube-wrapper.valid-target .tube{box-shadow:0 0 0 2px #4dff9180,0 0 20px #4dff9133;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 0 0 2px #4dff9180,0 0 20px #4dff9126}50%{box-shadow:0 0 0 3px #4dff91b3,0 0 30px #4dff914d}}.tube{width:56px;height:180px;border-radius:0 0 12px 12px;border:2.5px solid rgba(255,255,255,.2);border-top:none;background:#ffffff08;position:relative;overflow:hidden;transition:box-shadow .3s ease;box-shadow:0 4px 16px #0000004d}.tube:before{content:"";position:absolute;top:-4px;left:-4px;right:-4px;height:6px;border-radius:3px 3px 0 0;background:#ffffff26;border:2.5px solid rgba(255,255,255,.2);border-bottom:none}.tube-liquid-area{position:absolute;bottom:0;left:0;right:0;display:flex;flex-direction:column;height:100%}.liquid-layer{flex:1;transition:all .35s cubic-bezier(.34,1.56,.64,1);position:relative}.liquid-layer.filled{border-top:1px solid rgba(255,255,255,.08)}.liquid-layer.filled:first-child{border-top:none}.liquid-layer.top-selected{animation:liquidBounce .6s ease-in-out infinite}@keyframes liquidBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.tube-reflection{position:absolute;top:8px;left:4px;width:8px;bottom:12px;background:linear-gradient(180deg,rgba(255,255,255,.12),transparent);border-radius:4px;pointer-events:none}.empty-indicator{width:8px;height:8px;border-radius:50%;border:1.5px solid rgba(255,255,255,.15);margin-top:4px}.particles-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:100}.particle{position:absolute;border-radius:50%;pointer-events:none;will-change:transform,opacity}.confetti-piece{position:absolute;border-radius:2px;pointer-events:none;will-change:transform}.splash{position:fixed;width:0;height:0;border-radius:50%;border:3px solid;pointer-events:none;z-index:99;animation:splashExpand .8s ease-out forwards;transform:translate(-50%,-50%)}@keyframes splashExpand{0%{width:0;height:0;opacity:1}to{width:80px;height:80px;opacity:0}}.instructions{margin-top:2rem;font-size:.85rem;color:#ffffff59;text-align:center}@media(max-width:480px){.game-area{gap:.6rem}.tube{width:46px;height:150px}h1{font-size:1.3rem}.header{padding:0 .5rem}}