:root{--ws-panel-1: #d7dee4;--ws-panel-2: #b9c4cd;--ws-frame: rgba(70, 92, 108, .3);--ws-glass: rgba(255, 255, 255, .45);--ws-glass-edge: rgba(90, 110, 125, .55);--ws-slot: rgba(40, 60, 74, .1);--ws-glow: rgba(34, 184, 207, .45)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--ws-panel-1: #0e1a22;--ws-panel-2: #05090d;--ws-frame: rgba(56, 214, 255, .16);--ws-glass: rgba(150, 200, 220, .1);--ws-glass-edge: rgba(120, 210, 235, .28);--ws-slot: rgba(0, 0, 0, .35);--ws-glow: rgba(55, 227, 255, .55)}}:root[data-theme=dark]{--ws-panel-1: #0e1a22;--ws-panel-2: #05090d;--ws-frame: rgba(56, 214, 255, .16);--ws-glass: rgba(150, 200, 220, .1);--ws-glass-edge: rgba(120, 210, 235, .28);--ws-slot: rgba(0, 0, 0, .35);--ws-glow: rgba(55, 227, 255, .55)}*{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,460px);display:flex;flex-direction:column;gap:14px}.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}.title{font-size:clamp(28px,8vw,44px);font-weight:800;line-height:1;letter-spacing:-1px}.stats{display:flex;gap:8px}.stat{flex:1;background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:6px 10px;text-align:center}.stat .label{font-size:10px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.stat .value{font-size:22px;font-weight:800;line-height:1.1}.sizes{display:flex;gap:8px}.size-btn{flex:1;min-height:44px;background:var(--surface);color:var(--text);border:2px solid var(--line);border-radius:6px;padding:10px;font-size:15px;font-weight:700;cursor:pointer;transition:border-color .12s ease,color .12s ease,box-shadow .16s ease,filter .12s ease}.size-btn:hover{filter:brightness(1.04)}.size-btn.active{border-color:var(--accent);color:var(--accent);box-shadow:0 0 12px -2px var(--ws-glow),inset 0 0 10px -4px var(--ws-glow)}.status{font-size:16px;font-weight:700;text-align:center;min-height:22px}.board{position:relative;margin:0 auto;width:100%}.tubes{--seg-h: clamp(26px, 8.4vw, 40px);--tube-w: clamp(38px, 12vw, 54px);display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:center;gap:clamp(10px,3.5vw,20px) clamp(8px,3vw,16px);padding:22px 16px 26px;border-radius:16px;background:radial-gradient(120% 90% at 50% 14%,var(--ws-panel-1),var(--ws-panel-2) 80%),var(--ws-panel-2);border:1px solid var(--ws-frame);box-shadow:0 18px 44px -18px #00000073,inset 0 1px #ffffff0f}.tube{position:relative;display:flex;flex-direction:column;justify-content:flex-end;width:var(--tube-w);height:calc(var(--seg-h) * 4 + 8px);padding:4px 4px 0;border:2px solid var(--ws-glass-edge);border-top:none;border-radius:6px 6px var(--tube-w) var(--tube-w) / 6px 6px 26px 26px;background:linear-gradient(90deg,var(--ws-glass) 0%,transparent 22%,transparent 78%,var(--ws-glass) 100%),var(--ws-slot);cursor:pointer;transition:transform .16s cubic-bezier(.2,.9,.25,1),box-shadow .16s ease,filter .12s ease;-webkit-tap-highlight-color:transparent}.tube:hover{filter:brightness(1.06)}.tube:before{content:"";position:absolute;left:-2px;right:-2px;top:-1px;height:6px;border-radius:3px;background:linear-gradient(180deg,var(--ws-glass-edge),transparent);pointer-events:none}.tube.sel{transform:translateY(-14px);box-shadow:0 0 0 2px var(--accent),0 10px 22px -8px var(--ws-glow)}.tube.done{box-shadow:0 0 16px -3px var(--ws-glow)}.seg{display:block;width:100%;height:var(--seg-h);background:var(--c, transparent);border-radius:2px;box-shadow:inset 0 2px 3px #ffffff59,inset 0 -3px 5px #00000047}.seg+.seg{margin-top:2px}.seg.empty{background:transparent;box-shadow:none}.tube .seg:last-child{border-radius:2px 2px 12px 12px}.seg.drop{animation:ws-drop .24s ease-out;transform-origin:top}@keyframes ws-drop{0%{transform:translateY(-120%);opacity:.4}to{transform:translateY(0);opacity:1}}.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(28px,9vw,44px);font-weight:800;color:var(--accent);text-shadow:0 0 18px var(--ws-glow),0 0 40px var(--ws-glow)}.overlay.show .msg{animation:ws-msg-pop .64s cubic-bezier(.2,.9,.25,1)}.overlay .sub{font-size:15px;font-weight:700;opacity:.9}@keyframes ws-msg-pop{0%{transform:scale(.6);opacity:0}45%{transform:scale(1.12);opacity:1}to{transform:scale(1);opacity:1}}.controls{display:flex;flex-direction:column;gap:10px}.how{font-size:13px;opacity:.85}.how b{font-weight:700}.btns{display:flex;gap:10px;justify-content:flex-end}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}.btn.ghost{background:var(--surface);color:var(--text);border:2px solid var(--line)}@media(prefers-reduced-motion:reduce){.seg.drop,.overlay.show .msg{animation:none}.tube{transition:none}}