*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --acc:#4DD8FF;
  --ink:#F4F5F7; --mut:#9097A3; --dim:#6F7683;
  --bd:rgba(255,255,255,0.09);
}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:'Inter',system-ui,sans-serif;color:var(--ink);font-size:15px;
  -webkit-font-smoothing:antialiased;overflow:hidden;
  background:radial-gradient(80% 90% at 50% 12%,rgba(77,216,255,0.09),transparent 70%),linear-gradient(180deg,#15171F,#101218);
}
.disp{font-family:'Bricolage Grotesque',sans-serif}
.mono{font-family:'Space Mono',monospace}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}

#app{height:100dvh;max-width:640px;margin:0 auto;padding:14px 14px calc(12px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:12px}

.top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.ttl{font-weight:700;font-size:24px;letter-spacing:-0.02em;color:var(--acc);text-shadow:0 0 24px rgba(77,216,255,0.35);line-height:1}
.tsub{font-size:10.5px;color:var(--dim);margin-top:5px;letter-spacing:0.1em;text-transform:uppercase}
.tright{display:flex;align-items:center;gap:7px}
.pill{font-size:12px;padding:7px 10px;border-radius:10px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);color:#D6DAE2;white-space:nowrap}
.ibtn{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);font-size:14px;display:grid;place-items:center;transition:.15s}
.ibtn:hover{background:rgba(255,255,255,0.11)}

.lvlnav{display:flex;align-items:center;gap:7px}
.grow{flex:1}
.nbtn{height:38px;min-width:38px;padding:0 13px;border-radius:11px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);color:#D6DAE2;font-weight:700;font-size:13.5px;transition:.15s}
.nbtn:hover{background:rgba(255,255,255,0.11)}
.nbtn:disabled{opacity:0.35;cursor:default}

#tubes{position:relative;flex:1;min-height:0;display:flex;flex-wrap:wrap;align-content:center;justify-content:center;gap:26px 18px;padding:10px 0}
.tube{
  position:relative;width:46px;height:158px;cursor:pointer;
  border:2px solid rgba(255,255,255,0.16);border-top-color:rgba(255,255,255,0.25);
  border-radius:6px 6px 20px 20px;background:rgba(255,255,255,0.03);
  display:flex;flex-direction:column-reverse;overflow:hidden;
  transition:transform .26s cubic-bezier(.34,1.4,.5,1),border-color .15s,box-shadow .15s;
  will-change:transform;
}
.tube .seg{
  height:25%;flex:none;
  transition:height .24s cubic-bezier(.3,0.9,.4,1);
  box-shadow:inset 0 2px 0 rgba(255,255,255,0.18),inset 0 -2px 0 rgba(0,0,0,0.15);
}
.tube .seg.draining{height:0!important}
.tube.sel{transform:translateY(-14px);border-color:var(--acc);box-shadow:0 0 18px rgba(77,216,255,0.35)}
.tube.sel .seg:last-child{animation:slosh 1.1s ease-in-out infinite}
@keyframes slosh{0%,100%{filter:brightness(1)}50%{filter:brightness(1.18)}}
.tube.pouring{z-index:6;cursor:default}
.tube.receiving{border-color:rgba(255,255,255,0.35)}
.tube.done{border-color:rgba(43,214,123,0.55);box-shadow:0 0 14px rgba(43,214,123,0.25)}
.tube.done::after{content:'✓';position:absolute;top:-24px;left:50%;transform:translateX(-50%);font-size:13px;color:#2BD67B;animation:checkpop .35s cubic-bezier(.34,1.8,.5,1)}
@keyframes checkpop{0%{transform:translateX(-50%) scale(0)}100%{transform:translateX(-50%) scale(1)}}
.tube.pop{animation:tpop .3s}
@keyframes tpop{0%{scale:1}50%{scale:1.07}100%{scale:1}}
.tube.winbounce{animation:winb .55s cubic-bezier(.34,1.6,.5,1)}
@keyframes winb{0%{transform:translateY(0)}35%{transform:translateY(-22px)}100%{transform:translateY(0)}}
.stream{
  position:absolute;width:7px;border-radius:0 0 4px 4px;pointer-events:none;z-index:5;
  transform-origin:top center;
  box-shadow:0 0 10px rgba(255,255,255,0.25);
  animation:streamin .12s ease-out;
}
@keyframes streamin{0%{transform:scaleY(0)}100%{transform:scaleY(1)}}
.stream::after{content:'';position:absolute;left:1.5px;top:0;bottom:0;width:2px;border-radius:2px;background:rgba(255,255,255,0.45)}
.droplet{position:absolute;width:8px;height:8px;border-radius:50%;pointer-events:none;z-index:5;animation:dropfall .3s ease-in forwards}
@keyframes dropfall{0%{transform:translateY(0) scale(1);opacity:1}100%{transform:translateY(26px) scale(0.6);opacity:0}}
@media(max-width:430px){.tube{width:40px;height:140px}#tubes{gap:22px 12px}}
@media(max-height:600px){.tube{height:120px}}

.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(8,9,12,0.74);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.modal.show{display:flex}
.mcard{width:min(430px,100%);max-height:86dvh;overflow-y:auto;border-radius:20px;border:1px solid rgba(255,255,255,0.12);background:linear-gradient(180deg,#1A1D26,#14161C);padding:26px;box-shadow:0 30px 70px rgba(0,0,0,0.6)}
.mcard h2{margin:0 0 8px;font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:23px;color:#F4F5F7;text-align:center}
.mcard p{margin:8px 0;font-size:13.5px;line-height:1.6;color:#B8BEC9}
.mcard .stars{font-size:30px;letter-spacing:7px;text-align:center;margin:8px 0;color:var(--acc)}
.mcard .subline{text-align:center;font-family:'Space Mono',monospace;font-size:12px;color:var(--mut)}
.mbtns{display:flex;gap:8px;margin-top:16px}
.mbtn{flex:1;padding:12px 8px;border-radius:12px;font-weight:700;font-size:13.5px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);color:#E7EAEF;transition:.15s}
.mbtn:hover{background:rgba(255,255,255,0.12)}
.mbtn.go{background:var(--acc);border-color:var(--acc);color:#062330}
.lvlgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:14px}
.lvlbtn{position:relative;aspect-ratio:1;border-radius:11px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);color:#D6DAE2;font-weight:700;font-size:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:.15s}
.lvlbtn:hover{background:rgba(255,255,255,0.11)}
.lvlbtn.cur{border-color:var(--acc);color:var(--acc)}
.lvlbtn.locked{opacity:0.32;cursor:default}
.lvlbtn .st{font-size:9px;letter-spacing:1px;color:var(--acc)}