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li.on{border-color:#6aa84f;background:#eef8e6}.level-checks .dot{flex:0 0 26px;height:26px;border-radius:50%;border:2px solid var(--ink-soft);display:grid;place-items:center;font-weight:700;color:#fff}.level-checks li.on .dot{background:#6aa84f;border-color:#6aa84f}.btn.fair{background:#f3b93c;border-color:#b8860b}.lesson.is-challenge{box-shadow:inset 0 0 0 4px #f3b93c;border-radius:16px}.challenge-badge{margin:4px 0;padding:6px 10px;border-radius:12px;background:#fff3c4;border:2px solid #f3b93c;font-weight:600}.dialog.celebrate{position:relative;overflow:hidden}.confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.confetti i{position:absolute;top:-10%;left:calc(var(--i) * 5.5%);font-style:normal;font-size:22px;animation:lmn-fall 2.4s ease-in calc(var(--i) * .08s) 1 forwards}@keyframes lmn-fall{to{transform:translateY(120vh) rotate(360deg);opacity:0}}@media(prefers-reduced-motion:reduce){.confetti{display:none}}.subtitle{position:fixed;left:50%;top:calc(env(safe-area-inset-top,0px) + 64px);transform:translate(-50%,-8px);max-width:min(92vw,420px);padding:8px 14px;border-radius:16px;background:#fffaeef5;border:2px solid var(--ink-soft);box-shadow:0 4px 12px #0000001f;display:flex;flex-direction:column;align-items:center;gap:2px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:40;text-align:center}.subtitle.show{opacity:1;transform:translate(-50%)}.subtitle .sub-en{font-weight:700;font-size:18px}.subtitle .sub-vi{font-size:14px;color:var(--ink-soft)}.sound-controls{justify-content:center}@media(prefers-reduced-motion:reduce){.subtitle{transition:none}}.album-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:10px}.sticker{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;min-height:96px;border-radius:16px;border:4px solid #e6d8bb;background:#fff;cursor:pointer;font:inherit}.sticker img{width:52px;height:52px;object-fit:contain}.sticker.bronze{border-color:#c98a4b}.sticker.silver{border-color:#a9b4c2;box-shadow:0 0 0 2px #e3e8ee inset}.sticker.gold{border-color:#e2b13c;box-shadow:0 0 10px #ffe08a}.sticker.seen img{opacity:.45;filter:grayscale(.6)}.sticker.locked{background:#f4efe4}.sticker-q{font-size:32px;color:var(--ink-soft)}.sticker-word{font-weight:700;font-size:14px}.speak-word{display:flex;align-items:center;justify-content:center;gap:12px;font-size:28px}.speak-word img{width:96px;height:96px;object-fit:contain}.btn.mic{touch-action:none;user-select:none;-webkit-user-select:none}.btn.mic.recording{background:#d9534f;border-color:#a33;animation:lmn-pulse 1s ease-in-out infinite}@keyframes lmn-pulse{50%{transform:scale(1.04)}}@media(prefers-reduced-motion:reduce){.btn.mic.recording{animation:none}}.letter{padding:8px 10px;border-radius:12px;background:var(--cream);margin:4px 0}.sound-controls{flex-wrap:wrap;gap:6px}.sound-controls .chip{font-size:14px;padding:6px 12px}.hud-exit{flex:none;width:40px;height:40px;border-radius:50%;padding:0;border:2px solid var(--ink-soft);background:var(--cream);font-size:16px;font-weight:800;line-height:1;display:grid;place-items:center;cursor:pointer;touch-action:manipulation}.hud-exit:focus-visible{outline:4px solid #2f6fd6;outline-offset:2px}.btn.hold{position:relative;overflow:hidden;-webkit-touch-callout:none}.btn.hold .hold-label{position:relative}.btn.hold .hold-fill{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffe1cf;transform-origin:left;transform:scaleX(0)}.btn.hold.holding .hold-fill{transform:scaleX(1);transition:transform 1.5s linear}.meters{display:grid;gap:6px}.meter{display:grid;grid-template-columns:7.5em 1fr;align-items:center;gap:8px;font-size:14px;font-weight:700}.meter .tl-bar>span.low{background:var(--danger)}.meter .tl-bar>span.mid{background:var(--sun)}.mob-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.mob-list li{font-size:14px;font-weight:700;padding:4px 10px;border-radius:999px;border:2px solid var(--ink-soft);background:#fff}.mob-list li.ready{background:var(--mint)}.morning h2{margin-bottom:4px}.m-news{margin:4px 0;font-weight:800;font-size:18px;text-align:center;background:var(--mint);border-radius:14px;padding:8px 12px}.m-head{margin:10px 0 6px;font-weight:800;font-size:15px}.m-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}.m-tile{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border:3px solid var(--ink-soft);border-radius:16px;background:#fff;text-align:center;min-width:0}.m-tile.ripe{background:var(--sun)}.m-emoji{font-size:34px;line-height:1.1}.m-label{font-weight:800;font-size:15px}.m-sub{font-size:12px;color:var(--ink-soft);overflow-wrap:anywhere}.m-todo{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.m-todo li{font-size:16px;font-weight:800;padding:6px 14px;border-radius:999px;border:3px solid var(--ink-soft);background:#fff5de}.hud{gap:6px;min-height:calc(52px + var(--safe-t));padding-top:calc(6px + var(--safe-t));padding-bottom:6px;border-bottom-width:2px}.hud-exit{width:40px;height:40px;margin-left:-6px;border:0;background:transparent;color:var(--ink)}.hud-exit svg{width:26px;height:26px;display:block}.hud-exit:active{background:var(--cream)}.hud-pill{flex:none;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:5px;height:36px;min-height:36px;padding:0 12px;border:2px solid var(--ink-soft);border-radius:999px;background:var(--cream);color:var(--ink);font-size:16px;font-weight:800;line-height:1;white-space:nowrap;font-variant-numeric:tabular-nums}.hud-pill .gold-icon{width:18px;height:18px}.hud-timer{min-width:82px}.bar{gap:8px;padding-top:8px;padding-bottom:calc(8px + var(--safe-b));border-top-width:2px}.bar .btn.big{min-height:44px;padding:8px 16px;font-size:16px;border-width:2px}.bar .btn.icon{width:44px;height:44px;min-height:44px;min-width:44px;font-size:20px;border-width:2px}