:root{--bg: #14111c;--panel: #231d33;--ink: #f3eefb;--muted: #b3a9c9;--glow: #f2b84b;--hit: #7fd6a4;--miss: #e58a8a;--marker: #ffffff;--gutter: 16px}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:18px/1.4 system-ui,-apple-system,Segoe UI,sans-serif;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#app{min-height:100dvh;display:flex;flex-direction:column;padding:env(safe-area-inset-top) max(var(--gutter),env(safe-area-inset-right)) env(safe-area-inset-bottom) max(var(--gutter),env(safe-area-inset-left))}#play,#end{flex:1;display:flex;flex-direction:column;justify-content:center;gap:20px}#play[hidden],#end[hidden]{display:none}header{display:flex;justify-content:space-between;color:var(--muted)}#score{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:600}#stage{all:unset;display:flex;flex-direction:column;gap:16px;min-height:200px;justify-content:center;touch-action:manipulation;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#stage:focus-visible{outline:3px solid var(--glow);outline-offset:6px}.track{position:relative;height:76px;background:var(--panel);border-radius:38px;overflow:hidden}#zone{position:absolute;top:0;bottom:0;background:color-mix(in srgb,var(--glow) 55%,transparent);box-shadow:0 0 28px var(--glow);border-radius:38px}#marker{position:absolute;top:8px;bottom:8px;left:0;width:10px;background:var(--marker);border-radius:5px;will-change:transform}.hint{text-align:center;color:var(--muted)}#stage{padding:20px 16px;border-radius:28px}#stage.hit{box-shadow:0 0 0 3px var(--hit)}#stage.miss{box-shadow:0 0 0 3px var(--miss)}.cue{align-self:center;width:160px;height:160px;border-radius:50%}.cue[data-go=true]{background:var(--glow);box-shadow:0 0 48px var(--glow)}.cue[data-go=false]{border:4px dashed var(--muted);opacity:.5}.beat-bar{height:6px;background:var(--panel);border-radius:3px;overflow:hidden}.beat-fill{display:block;height:100%;background:var(--muted);transform-origin:left}#msg{min-height:1.6em;text-align:center;margin:0;font-weight:700;font-size:1.25rem}#end{text-align:center;outline:none}#end h1{margin:0;font-size:1.4rem}.big{font-size:3rem;font-weight:700;margin:0;font-variant-numeric:tabular-nums}#end p{margin:0}#install,#replay,#share{align-self:center;min-height:48px;padding:0 24px;font:inherit;color:var(--bg);background:var(--glow);border:0;border-radius:24px}#install[hidden],#replay[hidden],#share[hidden],#end-board[hidden],#end-best[hidden],#install-hint[hidden]{display:none}#install-hint{color:var(--muted)}footer{padding:12px 0;color:var(--muted);font-size:.75rem;text-align:center}footer p{margin:0}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}#home{align-self:flex-start;padding:12px 0;color:var(--muted);text-decoration:none;min-height:44px}#home[hidden],#hub[hidden]{display:none}#hub{flex:1;display:flex;flex-direction:column;justify-content:center;gap:16px}#hub h1{margin:0;font-size:1.6rem}.sub{margin:0;color:var(--muted)}#hub-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.card{background:var(--panel);border-radius:20px;padding:4px}.card-link{display:grid;gap:2px;padding:14px 16px;min-height:44px;color:inherit;text-decoration:none;border-radius:16px}.card-link:focus-visible{outline:3px solid var(--glow)}.tag{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--glow)}.card-title{font-size:1.15rem;font-weight:600}.card-blurb{color:var(--muted);font-size:.9rem}.card-status{font-size:.85rem;color:var(--muted)}.card-status.done{color:var(--hit)}.card-replay{margin:0 12px 10px;min-height:44px;padding:0 16px;font:inherit;font-size:.85rem;color:var(--ink);background:transparent;border:1px solid var(--muted);border-radius:22px}.echo-pads{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:min(100%,320px);align-self:center}.echo-pad{--pad: var(--glow);aspect-ratio:1;min-height:44px;font:inherit;font-size:2.6rem;color:var(--pad);background:color-mix(in srgb,var(--pad) 16%,var(--panel));border:3px solid color-mix(in srgb,var(--pad) 45%,transparent);border-radius:24px;touch-action:manipulation;transition:background 80ms,box-shadow 80ms}.echo-pad[data-c="0"]{--pad: #f2b84b}.echo-pad[data-c="1"]{--pad: #5fd0c4}.echo-pad[data-c="2"]{--pad: #ee8fb4}.echo-pad[data-c="3"]{--pad: #8fb2f5}.echo-pad.lit{color:var(--bg);background:var(--pad);box-shadow:0 0 36px var(--pad)}.echo-pad.wrong{border-color:var(--miss);border-style:dashed}.echo-pad.expect{border-color:var(--hit)}.echo-pad:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.pairs-grid{--cols: 4;display:grid;grid-template-columns:repeat(var(--cols),1fr);gap:8px;width:min(100%,340px);align-self:center}.pairs-card{--c: var(--glow);aspect-ratio:1;min-height:44px;padding:0;font:inherit;font-size:1.7rem;line-height:1;color:var(--c);background:var(--panel);border:2px solid transparent;border-radius:14px;touch-action:manipulation}.pairs-card:not(.up){background:repeating-linear-gradient(45deg,var(--panel),var(--panel) 6px,color-mix(in srgb,var(--panel) 80%,var(--muted)) 6px,color-mix(in srgb,var(--panel) 80%,var(--muted)) 8px)}.pairs-card.up{background:color-mix(in srgb,var(--c) 18%,var(--panel));border-color:color-mix(in srgb,var(--c) 55%,transparent)}.pairs-card.matched{opacity:.55;border-color:var(--hit)}.pairs-card:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.pairs-card[data-s="0"]{--c: #f2b84b}.pairs-card[data-s="1"]{--c: #5fd0c4}.pairs-card[data-s="2"]{--c: #ee8fb4}.pairs-card[data-s="3"]{--c: #8fb2f5}.pairs-card[data-s="4"]{--c: #c9a0f0}.pairs-card[data-s="5"]{--c: #8fdc8f}.pairs-card[data-s="6"]{--c: #f08a7a}.pairs-card[data-s="7"]{--c: #7fd0f0}.pairs-card[data-s="8"]{--c: #e0d070}.pairs-card[data-s="9"]{--c: #f0a868}.board{--size: 3;display:grid;grid-template-columns:repeat(var(--size),1fr);gap:8px;width:min(100%,340px);align-self:center}.tile{aspect-ratio:1;min-height:44px;font:inherit;font-size:1.8rem;font-weight:700;color:var(--ink);background:var(--panel);border:0;border-radius:16px;touch-action:manipulation}.tile.blank{background:transparent;box-shadow:inset 0 0 0 2px var(--panel)}.tile:focus-visible{outline:3px solid var(--glow)}#topbar{display:flex;justify-content:space-between;align-items:center;min-height:44px}#account-btn,#feedback-open,#lang-btn{min-height:44px;padding:0 16px;font:inherit;font-size:.85rem;color:var(--ink);background:transparent;border:1px solid var(--muted);border-radius:22px}#account-btn[hidden],#feedback-open[hidden]{display:none}#topbar{gap:8px}#home{margin-right:auto}#lang-btn{margin-left:auto}#home:not([hidden])~#lang-btn{margin-left:0}footer{display:grid;gap:8px;justify-items:center}#end-feedback[hidden]{display:none}.fb{display:grid;gap:12px;text-align:left;background:var(--panel);border-radius:20px;padding:16px}.fb-title{margin:0;font-size:1.05rem;text-align:center}.fb-faces{display:flex;justify-content:space-between;gap:6px}.fb-face{flex:1;min-height:52px;font-size:1.7rem;line-height:1;background:var(--bg);border:2px solid transparent;border-radius:14px;color:inherit}.fb-face[aria-pressed=true]{border-color:var(--glow)}.fb-tags{display:flex;flex-wrap:wrap;gap:8px}.fb-chip{min-height:44px;padding:0 14px;font:inherit;font-size:.85rem;color:var(--ink);background:var(--bg);border:1px solid var(--muted);border-radius:22px}.fb-chip[aria-pressed=true]{background:var(--glow);border-color:var(--glow);color:var(--bg)}.fb-text{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--bg);border:1px solid var(--muted);border-radius:12px;padding:10px;resize:vertical}.fb-actions{display:flex;gap:8px}.fb-send,.fb-skip,.dlg-btn{min-height:48px;padding:0 20px;font:inherit;border-radius:24px;border:0;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.fb-send{flex:1;color:var(--bg);background:var(--glow)}.fb-send:disabled{opacity:.4}.fb-skip{color:var(--muted);background:transparent;border:1px solid var(--muted)}.fb-status{margin:0;min-height:1.4em;color:var(--hit);font-size:.9rem}.fb-note{margin:0;color:var(--muted);font-size:.75rem}.fb button:focus-visible,.fb textarea:focus-visible,.dlg-btn:focus-visible{outline:3px solid var(--glow);outline-offset:2px}dialog{width:min(92vw,420px);max-height:90dvh;overflow:auto;padding:16px;color:var(--ink);background:var(--bg);border:1px solid var(--muted);border-radius:20px}dialog::backdrop{background:#0009}#account-body{display:grid;gap:10px;margin-bottom:12px}#account-body p,#fb-body{margin:0}.dlg-sub{color:var(--muted);font-size:.8rem}.dlg-btn{color:var(--bg);background:var(--glow);width:100%;margin-top:4px}#fb-close,#account-close{color:var(--muted);background:transparent;border:1px solid var(--muted)}.dlg-btn.danger{color:var(--miss);background:transparent;border:1px solid var(--miss)}#end-scoring{color:var(--muted);font-size:.85rem}.goals{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0}.goals[hidden],#end-stars[hidden],#end-goals[hidden]{display:none}.goal-chip{padding:4px 12px;font-size:.85rem;color:var(--muted);border:1px solid var(--muted);border-radius:16px}.goal-chip.met{color:var(--bg);background:var(--glow);border-color:var(--glow)}#end-stars{font-size:1.5rem;color:var(--glow)}#end-goals{list-style:none;margin:0;padding:0;display:grid;gap:4px;color:var(--muted);font-size:.85rem}.pips{display:flex;gap:8px;justify-content:center;margin:-6px 0 0}.pips[hidden]{display:none}.pip{width:11px;height:11px;border-radius:50%;border:1.5px solid var(--muted);background:transparent}.pip.hit{background:var(--hit);border-color:var(--hit)}.pip.miss{background:var(--miss);border-color:var(--miss)}.pip.now{border-color:var(--glow);box-shadow:0 0 0 3px color-mix(in srgb,var(--glow) 35%,transparent)}.levelbreak{display:grid;gap:14px;justify-items:center;text-align:center}.levelbreak[hidden]{display:none}.levelbreak h2{margin:0;font-size:1.5rem}.lb-up{margin:6px 0 0;color:var(--muted)}#play.on-break #stage,#play.on-break #goal,#play.on-break #msg,#play.on-break #pips{display:none}.primary{min-height:56px;width:min(100%,320px);padding:0 24px;font:inherit;font-weight:700;color:var(--bg);background:var(--glow);border:0;border-radius:28px}.primary:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.end-next{color:var(--ink);font-weight:600;margin:0}.end-next[hidden]{display:none}.fb-compact{display:flex;gap:8px}.fb-compact[hidden],.fb-extras[hidden]{display:none}.fb-more,.fb-skip2{flex:1;min-height:44px;padding:0 16px;font:inherit;font-size:.9rem;color:var(--ink);background:transparent;border:1px solid var(--muted);border-radius:22px}.fb-skip2{flex:0 0 auto;color:var(--muted)}.fb-extras{display:grid;gap:12px}.card-link{position:relative;padding-right:48px}.chev{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.8rem;line-height:1;color:var(--muted)}#end-board{text-align:left;background:var(--panel);border-radius:20px;padding:14px 16px;font-size:.9rem}#end-board h2{margin:0 0 6px;font-size:1rem}#end-board ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}#end-board li{display:flex;gap:10px;color:var(--muted);font-variant-numeric:tabular-nums}#end-board li .pts{margin-left:auto}#end-board li.you{color:var(--ink);font-weight:700}#end-board .note{margin:8px 0 0;color:var(--muted);font-size:.75rem}.card.off{opacity:.55}.card.off .card-status{font-style:italic}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer{min-height:64px;font:inherit;font-size:1.15rem;font-weight:700;color:var(--ink);background:var(--panel);border:3px solid transparent;border-radius:20px;touch-action:manipulation}.answer.right{border-color:var(--hit)}.answer.wrong{border-color:var(--miss);border-style:dashed}.answer:focus-visible{outline:3px solid var(--glow);outline-offset:2px}.odd-grid{--size: 3;--c: #f2b84b;display:grid;grid-template-columns:repeat(var(--size),1fr);gap:6px;width:min(100%,340px);align-self:center}.odd-grid[data-hue="1"]{--c: #5fd0c4}.odd-grid[data-hue="2"]{--c: #ee8fb4}.odd-grid[data-hue="3"]{--c: #8fb2f5}.odd-cell{aspect-ratio:1;min-height:44px;font:inherit;font-size:calc(9.5rem / var(--size));line-height:1;color:var(--c);background:var(--panel);border:2px solid transparent;border-radius:12px;touch-action:manipulation}.odd-cell span{display:inline-block}.odd-cell .turned{transform:rotate(180deg)}.odd-cell.correct{border-color:var(--hit)}.odd-cell.wrong{border-color:var(--miss);border-style:dashed}.odd-cell:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.hold-target{text-align:center;font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums}.hold-pad{display:grid;place-items:center;align-self:center;width:200px;height:200px;border-radius:50%;background:color-mix(in srgb,var(--glow) 18%,var(--panel));border:4px solid color-mix(in srgb,var(--glow) 50%,transparent);touch-action:none}.hold-pad.down{background:var(--glow);box-shadow:0 0 48px var(--glow)}.hold-bar{position:relative;width:150px;height:10px;border-radius:5px;background:var(--bg);overflow:hidden;transition:opacity .2s}.hold-fill{display:block;height:100%;background:var(--ink);transform:scaleX(0);transform-origin:left}.hold-mark{position:absolute;top:0;bottom:0;width:3px;margin-left:-1px;background:var(--hit)}.lights-grid{--size: 3;display:grid;grid-template-columns:repeat(var(--size),1fr);gap:8px;width:min(100%,340px);align-self:center}.light{aspect-ratio:1;min-height:44px;position:relative;background:var(--panel);border:0;border-radius:14px;touch-action:manipulation}.light:after{content:"";position:absolute;top:28%;right:28%;bottom:28%;left:28%;border-radius:50%;border:3px solid var(--muted)}.light.on{background:color-mix(in srgb,var(--glow) 30%,var(--panel))}.light.on:after{background:var(--glow);border-color:var(--glow);box-shadow:0 0 18px var(--glow)}.light:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.lights-tools{display:flex;justify-content:center;gap:12px}.lights-tool{min-height:44px;padding:0 18px;font:inherit;font-size:.9rem;color:var(--ink);background:transparent;border:1px solid var(--muted);border-radius:22px}.lights-tool[hidden]{display:none}.turn-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.turn-side{aspect-ratio:1;background:var(--panel);border-radius:20px;padding:14px}.turn-side svg{width:100%;height:100%;display:block}.turn-side rect{fill:#8fb2f5}.turn-side+.turn-side rect{fill:#ee8fb4}.switch-cue{text-align:center;font-size:1.3rem;font-weight:800;letter-spacing:.12em;padding:8px;border-radius:14px;background:var(--panel)}.switch-cue[data-rule=shape]{border-left:8px solid #5fd0c4}.switch-cue[data-rule=fill]{border-left:8px double #f2b84b}.switch-cue.changed{box-shadow:0 0 0 3px var(--ink)}.switch-card{display:grid;place-items:center;height:150px}.switch-card svg{width:130px;height:130px}.switch-card path{stroke:var(--ink);stroke-width:7;stroke-linejoin:round}.switch-card path.filled{fill:var(--ink)}.switch-card path.hollow{fill:none}.switch-time{height:6px;background:var(--panel);border-radius:3px;overflow:hidden}.switch-fill{display:block;height:100%;background:var(--muted);transform-origin:left}