:root{--brand-primary:#0e6f56;--brand-primary-soft:#14876a;--brand-accent:#2fce9f;--brand-accent-soft:#acf0d18c;--brand-mint:#acf0d1;--brand-gold:#ffb200;--brand-sky:#7dcdf4;--paper:#eefaf4;--ink:#1f2a26;--cell-bg:#ffffffeb;--cell-border:#cfe8dc;--wrong:#e05a4e;--radius:16px;--shadow:0 4px 14px #0e6f5629}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--paper);color:var(--ink);overscroll-behavior:none;touch-action:manipulation;-webkit-user-select:none;user-select:none;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:none}.picker{background:linear-gradient(180deg, var(--brand-primary) 0%, var(--brand-primary-soft) 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16px;font-size:1.05rem}.howto{text-align:left;flex-direction:column;gap:14px;margin:0 0 20px;padding:0;list-style:none;display:flex}.howto li{background:var(--paper);border-radius:14px;align-items:center;gap:14px;padding:10px 14px;display:flex}.howto-icon{justify-content:center;align-items:center;min-width:58px;font-size:1.9rem;display:flex}.howto-text{font-size:1.1rem;font-weight:600}.howto-target{color:var(--brand-primary);background:var(--brand-accent-soft);border-radius:8px;padding:1px 8px}.howto-coins{gap:4px}.demo-ten{background:linear-gradient(180deg, var(--brand-primary-soft), var(--brand-primary));color:#fff;border-radius:5px;place-items:center;width:38px;height:20px;font-size:.7rem;font-style:normal;font-weight:800;display:grid}.demo-one{background:radial-gradient(circle at 35% 30%, #e8c56a, var(--brand-gold) 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#ddd;border-radius:999px;min-height:44px;padding:0 18px;font-size:.92rem;font-weight:700;transition:transform .12s}.stage-toggle-open{background:var(--brand-accent-soft);color:var(--brand-primary);border-color:var(--brand-accent)}.stage-toggle:active{transform:scale(.95)}.level-stars{letter-spacing:2px;font-size:1.05rem;line-height:1}.star-on{color:var(--brand-gold);text-shadow:0 1px 2px #7a5a0059}.star-off{color:#d8d8d8}.stage-rewards{color:var(--brand-primary);border:1px solid var(--brand-accent);box-shadow:var(--shadow);background:#ffffffd9;border-radius:999px;justify-content:center;align-items:center;gap:10px;margin:-6px auto 0;padding:9px 18px;font-size:.98rem;font-weight:700;transition:transform .12s;display:inline-flex}.stage-rewards:active{transform:scale(.96)}.stage-rewards-go{opacity:.65}.my-progress .detail-heading{margin-top:6px}.cheer-line{text-align:center;color:var(--brand-primary);background:var(--brand-accent-soft);border:1px solid var(--brand-accent);border-radius:var(--radius);margin:0;padding:14px 18px;font-size:1.05rem;font-weight:700}.hud-timer-wrap{align-items:center;gap:8px;display:flex}.hud-record{font-variant-numeric:tabular-nums;color:var(--brand-primary);background:var(--brand-accent-soft);border:1px solid var(--brand-accent);white-space:nowrap;border-radius:999px;padding:5px 10px;font-size:.85rem;font-weight:700}.hud-record-behind{color:#8a8a8a;background:#eee;border-color:#ddd}@media (width<=560px){.hud{gap:6px}.hud-back{min-height:44px;padding:0 12px}.hud-back-label{display:none}.hud-round{width:40px;height:40px;font-size:1.05rem}.hud-centre{padding:4px 10px}.hud-target{font-size:1.1rem}.hud-timer{min-width:0;padding:6px 8px;font-size:1.05rem}.hud-timer-wrap{flex-direction:column;align-items:center;gap:3px}.hud-record{padding:3px 7px;font-size:.7rem}.btn-primary,.btn-secondary{min-height:48px;padding:0 16px;font-size:1rem}.stage-card{flex-wrap:wrap;padding:14px 16px}.stage-text{min-width:42%}.stage-state{margin-left:auto}.stage-emoji{font-size:1.6rem}.stage-num{width:38px;height:38px;font-size:1.1rem}.stage-card{gap:10px}}.badge-earned-list{margin-bottom:14px}.badge-earned{color:var(--brand-primary);margin:4px 0;font-size:1.05rem;animation:.5s pop}.badge-earned-emoji{margin-right:6px;font-size:1.3rem}.badge-cabinet{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;display:grid}.badge-chip{border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;background:#fff;flex-direction:column;align-items:center;gap:2px;padding:12px 10px;display:flex}.badge-chip-locked{opacity:.55;filter:grayscale(.6)}.badge-chip-emoji{font-size:1.7rem;line-height:1.2}.badge-chip-name{font-size:.9rem;font-weight:700}.badge-chip-when{opacity:.6;font-size:.75rem}.count{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:20px;min-height:0;display:flex}.count-dense{gap:12px}.count-dense .count-card{--card-h:min(38vh, 300px)}.count-card{--card-h:min(52vh, 400px);--dot:clamp(15px, calc(var(--card-h) * .104), 42px);--dot-gap:calc(var(--dot) * .3);aspect-ratio:5/7;height:var(--card-h);background:#fff;border:1px solid #d7e5dd;border-radius:clamp(12px,2.4vmin,20px);max-width:92vw;padding:clamp(10px,2vmin,16px);animation:.25s rise;box-shadow:0 10px 26px #0e6f5638,0 2px 5px #0e6f5624}.count-card-face{border:2px solid #e8f2ed;border-radius:clamp(8px,1.6vmin,14px);place-items:center;width:100%;height:100%;padding:clamp(6px,1.4vmin,12px);display:grid}.count-dots{place-content:center;gap:var(--dot-gap);grid-template-columns:repeat(5,auto);display:grid}.count-dots[data-rows="3"],.count-dots[data-rows="4"]{--dot:clamp(13px, calc(var(--card-h) * .088), 34px)}.count-dots[data-rows="5"]{--dot:clamp(11px, calc(var(--card-h) * .068), 27px)}.count-dots[data-rows="6"]{--dot:clamp(10px, calc(var(--card-h) * .057), 23px)}.count-dot{width:var(--dot);aspect-ratio:1;border-radius:50%;box-shadow:0 1px 2px #00000024}.count-tray-many{gap:10px}.count-tray-many .count-coin{border-width:2px;width:50px;height:50px;font-size:1.15rem}@media (width<=560px){.count-tray-many .count-coin{width:44px;height:44px;font-size:1rem}}.count-dot-a{background:radial-gradient(circle at 35% 30%, #ffd35c, var(--brand-gold) 72%);border:2px solid #d99700}.count-dot-b{background:radial-gradient(circle at 35% 30%, #3ddbb0, var(--brand-primary-soft) 72%);border:2px solid #0a5a44}.count-question{color:var(--brand-primary);background:#fffc;border-radius:999px;padding:5px 16px;font-size:1.05rem;font-weight:700}.count-tray{flex-wrap:wrap;justify-content:center;gap:16px;padding-bottom:10px;display:flex}.count-coin{transition:opacity .2s,filter .2s,transform .12s}.count-coin:active{transform:scale(.92)}.count-coin-used,.count-coin-used:active{opacity:.35;filter:grayscale();box-shadow:none;cursor:default;transform:none}.complete-gate{color:#a06d00;margin:0 0 14px;font-weight:700}.demo-dot{background:radial-gradient(circle at 35% 30%, #ffd35c, var(--brand-gold) 72%);border:2px solid #d99700;border-radius:50%;width:16px;height:16px;display:inline-block}.cell-wrong{border-color:var(--wrong);animation:.9s ease-in-out infinite wrong-pulse}@keyframes wrong-pulse{0%,to{transform:scale(1);box-shadow:0 0 #e05a4e00}50%{transform:scale(1.05);box-shadow:0 0 0 6px #e05a4e73}}.board-sum{max-width:min(100%,940px)}.cell-sum{aspect-ratio:auto;justify-content:space-between;align-items:center;gap:8px;min-height:56px;padding:8px 12px;display:flex}.sum-expr{color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:clamp(1rem,2.6vmin,1.4rem);font-weight:700}.sum-lines{flex-direction:column;gap:1px;min-width:0;display:flex}.sum-scaffold{color:var(--brand-primary);opacity:.62;white-space:nowrap;font-variant-numeric:tabular-nums;font-size:.78rem;font-weight:600}.cell-done .sum-scaffold{color:#fff;opacity:.85}.cell-done .sum-expr{color:#fff}.sum-slot{border:2px dashed var(--cell-border);border-radius:50%;flex-shrink:0;width:44px;height:44px}.cell-sum .cell-coin{flex-shrink:0;width:44px}@media (orientation:portrait){.cell-sum{min-height:52px;padding:6px 10px}}.tray-wrap{flex-wrap:wrap;gap:12px}.tray-wrap .coin-match{width:56px;height:56px;font-size:1.3rem}.cell-coin-drag{touch-action:none;padding:0}.cell-coin-drag:active{filter:brightness(1.08)}.tray-hint-wrong{color:var(--wrong);background:#fdecea;font-weight:700}.tray-check{font-size:1.15rem}.level-modes{flex-wrap:wrap;justify-content:center;gap:8px;max-width:100%;margin-top:8px;display:flex}.level-mode-btn{background:var(--brand-accent-soft);min-height:44px;color:var(--brand-primary);border:1px solid var(--brand-accent);border-radius:999px;padding:0 14px;font-size:.85rem;font-weight:700;transition:transform .12s}.level-mode-timed{border-color:var(--brand-gold);color:#7a5a00;background:#fff3d6}.level-mode-btn:disabled{color:#888;background:#eee;border-color:#ddd}.level-mode-btn:active:not(:disabled){transform:scale(.95)}