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var(--text)}.heat-legend{display:flex;align-items:center;gap:3px;font-size:.72rem;color:var(--muted)}.heat-legend span{width:11px;height:11px;border-radius:3px}.scroll-x{overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}.q-card{display:flex;flex-direction:column;gap:16px}.q-text{font-size:1.12rem;font-weight:600;line-height:1.55}@media(min-width:768px){.q-text{font-size:1.2rem}}.q-num{font-weight:800;color:var(--muted);margin-right:6px}.options{display:grid;gap:10px}@media(min-width:640px){.options.two-col{grid-template-columns:1fr 1fr}}.option{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:12px 14px;border-radius:14px;border:1.5px solid var(--border-strong);background:var(--surface);text-align:left;font-weight:500;transition:border-color .12s,background .12s,transform .08s}@media(hover:hover){.option:hover:not(:disabled){border-color:var(--primary);background:var(--primary-soft)}}.option:active:not(:disabled){transform:scale(.99)}.option 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.fb-title{color:var(--danger-ink)}.fb-why{display:flex;flex-direction:column;gap:2px;padding-top:6px;border-top:1px solid color-mix(in srgb,currentColor 15%,transparent)}.fb-why .tiny{letter-spacing:.05em}.fb-all{margin-top:4px}.fb-all summary{cursor:pointer;color:var(--text-2);padding:4px 0;list-style:none}.fb-all summary::-webkit-details-marker{display:none}.fb-all summary:before{content:"▸ "}.fb-all[open] summary:before{content:"▾ "}.fb-options{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.fb-options li{display:flex;flex-direction:column;gap:2px;padding:8px 10px;border-radius:10px;background:color-mix(in srgb,var(--surface) 70%,transparent)}.fb-opt-head{display:flex;align-items:center;gap:6px}.fb-options li.is-right .fb-opt-head{color:var(--success-ink)}.fb-options li .fb-opt-head svg{color:var(--danger);flex:none}.fb-options li.is-right .fb-opt-head svg{color:var(--success)}.fb-options li.is-picked{box-shadow:inset 0 0 0 1.5px var(--danger)}:root[data-theme=dark] .fb-options li.is-right .fb-opt-head{color:var(--success)}@keyframes popIn{0%{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:none}}.action-bar{position:fixed;z-index:10;left:0;right:0;bottom:calc(var(--bottom-nav-h) + var(--safe-bottom));display:flex;gap:10px;padding:10px 16px;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border)}.main.focus .action-bar{bottom:0;padding-bottom:calc(10px + var(--safe-bottom))}.main:has(.action-bar){padding-bottom:calc(var(--bottom-nav-h) + var(--safe-bottom) + 96px)}.main.focus:has(.action-bar){padding-bottom:calc(var(--safe-bottom) + 96px)}html:has(.action-bar){scroll-padding-bottom:104px}.action-bar .btn{flex:1;min-width:0;white-space:normal;line-height:1.2;text-align:center;padding-inline:12px}@media(min-width:768px){.action-bar{position:static;padding:0;justify-content:flex-end;background:none;border:0;backdrop-filter:none;-webkit-backdrop-filter:none}.main.focus .action-bar{padding-bottom:0}.main:has(.action-bar),.main.focus:has(.action-bar){padding-bottom:40px}html:has(.action-bar){scroll-padding-bottom:0}.action-bar .btn{flex:0 1 auto;min-width:220px}}.action-bar .btn.btn-square{flex:0 0 56px;min-width:0;padding-inline:0}.action-bar .btn.btn-fit{flex:0 0 auto;white-space:nowrap}.action-bar>.grade-row{flex:1}.action-bar .grade-btn{flex:1 1 0;min-width:0;padding-inline:4px}.action-bar .btn-danger{background:var(--danger-fill);color:var(--on-danger)}.flash-actions>.btn{flex:1}@media(max-width:767px){.main.focus .back-link{display:none}}.runner-top{display:flex;align-items:center;gap:12px}.runner-top .progress{flex:1}.prose{line-height:1.75;color:var(--text);text-wrap:pretty}.example .en,.example .vi,.q-text{text-wrap:pretty}.prose p+p{margin-top:.8em}.prose ul{margin:.4em 0;padding-left:1.3em}.prose li{margin:.25em 0}.prose strong{font-weight:700;color:var(--text)}.list-label{font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.examples,.mistakes{border:1px solid var(--border);border-radius:14px;background:var(--surface);overflow:hidden}.example{display:grid;grid-template-columns:32px minmax(0,1fr);column-gap:12px;row-gap:2px;align-items:center;padding:11px 14px}.example+.example,.mistake+.mistake{border-top:1px solid var(--border)}.example>.btn{grid-column:1;grid-row:1 / span 2;align-self:start;width:32px;min-height:32px;height:32px;border-radius:999px;background:var(--tone-soft, var(--primary-soft));color:var(--tone, var(--primary))}@media(hover:hover){.example>.btn:hover{filter:brightness(.97)}}.example>.btn svg{width:16px;height:16px}.example .en{grid-column:2;font-weight:600;color:var(--text);line-height:1.45}.example .vi{grid-column:2;color:var(--text-2);font-size:.9rem;line-height:1.45}.mistake{display:grid;grid-template-columns:22px minmax(0,1fr);gap:6px 10px;align-items:center;padding:12px 14px}.mk{width:22px;height:22px;border-radius:999px;display:grid;place-items:center}.mk svg{width:13px;height:13px;stroke-width:3}.mk-wrong{background:var(--danger-soft);color:var(--danger)}.mk-right{background:var(--success-soft);color:var(--success-ink)}:root[data-theme=dark] .mk-right{color:var(--success)}.mistake .wrong{color:var(--text-2);text-decoration:line-through;text-decoration-color:var(--danger);text-decoration-thickness:1.5px}.mistake .right{color:var(--text);font-weight:600}.mistake .note{grid-column:2;font-size:.875rem;color:var(--text-2);line-height:1.5}.correction-pair{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px}.correction-pair .wrong{color:var(--danger);text-decoration:line-through;text-decoration-thickness:1.5px}.correction-pair .right{color:var(--success-ink);font-weight:600}:root[data-theme=dark] .correction-pair .right{color:var(--success)}:root{--g-ink: #a8305f;--f-noun: #1d5fae;--f-noun-bg: #e6f0fc;--f-verb: #0b7a52;--f-verb-bg: #e0f4ea;--f-adj: #8a5400;--f-adj-bg: #fdf0d6;--f-clause: #4b3cb8;--f-clause-bg: #ecebfc;--f-word: #fff;--f-word-bg: #b83a6b}:root[data-theme=dark]{--g-ink: #f29bbd;--f-noun: #9cc6f7;--f-noun-bg: #1a2a45;--f-verb: #7fe0b6;--f-verb-bg: #12302a;--f-adj: #f6cd78;--f-adj-bg: #362a12;--f-clause: #bdb4f7;--f-clause-bg: #262447;--f-word: #1a0b12;--f-word-bg: #ec8fb2}.g-head{display:flex;align-items:center;gap:10px;font-size:1.1rem}.g-head-icon{flex:none;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--c-grammar-soft);color:var(--g-ink)}.g-head-icon svg{width:18px;height:18px}.g-extra>details>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;min-height:40px}.g-extra>details>summary::-webkit-details-marker{display:none}.g-extra-chev{flex:none;width:20px;height:20px;color:var(--muted);transition:transform .2s}.g-extra>details[open] .g-extra-chev{transform:rotate(180deg)}.gbody{display:flex;flex-direction:column;gap:12px}.g-list,.g-para{margin:0}.formulas{display:flex;flex-direction:column;gap:8px}.formula-row{display:flex;flex-direction:column;gap:7px;padding:12px 14px;border-radius:14px;background:var(--surface-2)}.f-label{display:flex;align-items:center;gap:7px;font-size:.82rem;font-weight:800;color:var(--text-2)}.f-label .sign{flex:none;width:22px;height:22px;border-radius:999px;display:grid;place-items:center;font-size:.95rem;font-weight:900;line-height:1;background:var(--surface-3);color:var(--text)}.sign-pos .sign{background:var(--success-soft);color:var(--success-ink)}.sign-neg .sign{background:var(--danger-soft);color:var(--danger-ink)}.sign-ask .sign{background:var(--primary-soft);color:var(--primary-ink)}:root[data-theme=dark] .sign-pos .sign{color:var(--success)}.formula-alts{display:flex;flex-direction:column;gap:6px}.formula{display:flex;flex-wrap:wrap;align-items:center;gap:6px 4px}.fp{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-height:34px;padding:4px 10px;border-radius:9px;font-weight:800;font-size:.98rem;line-height:1.2;text-align:center}.fp small{font-size:.68rem;font-weight:600;opacity:.9;line-height:1.2;max-width:18ch}.r-noun{background:var(--f-noun-bg);color:var(--f-noun)}.r-verb{background:var(--f-verb-bg);color:var(--f-verb)}.r-adj{background:var(--f-adj-bg);color:var(--f-adj)}.r-clause{background:var(--f-clause-bg);color:var(--f-clause)}.r-word{background:var(--f-word-bg);color:var(--f-word)}.r-slot{background:var(--surface);color:var(--text-2);box-shadow:inset 0 0 0 1.5px var(--border-strong);font-weight:700}.r-more{background:none;color:var(--muted);padding:4px 2px}.fp.is-opt{box-shadow:inset 0 0 0 1.5px currentColor;background:transparent}.f-plus{color:var(--muted);font-weight:800}.f-sep,.f-end{font-weight:900;font-size:1.1rem;color:var(--text)}.f-example{font-size:.92rem;color:var(--text-2);line-height:1.5;text-wrap:pretty}.f-legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.78rem;color:var(--text-2);padding:0 2px}.f-legend-item{display:inline-flex;align-items:center;gap:6px}.f-legend .fp{min-height:22px;padding:1px 7px;font-size:.74rem;border-radius:6px}.rules{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface)}.rule{display:grid;grid-template-columns:minmax(0,1fr);gap:3px;padding:10px 14px 10px 12px;border-left:3px solid var(--c-grammar)}.rule+.rule{border-top:1px solid var(--border)}.rule-label{font-weight:800;color:var(--g-ink);line-height:1.4}.rule-label strong{color:inherit}.rule-text{color:var(--text);line-height:1.6;display:flex;flex-direction:column;gap:6px;text-wrap:pretty}@media(min-width:640px){.rule{grid-template-columns:minmax(110px,30%) minmax(0,1fr);column-gap:16px;align-items:baseline}}.pairs{display:flex;flex-wrap:wrap;gap:6px}.pair{display:inline-flex;flex-wrap:wrap;align-items:center;gap:4px;padding:5px 11px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:.93rem;line-height:1.3}.formula-row .pair{background:var(--surface)}.pair-arrow{width:14px;height:14px;color:var(--muted);flex:none}.pair-to b{color:var(--g-ink);font-weight:900}.pair-note{color:var(--text-2);font-size:.78rem;font-weight:500}.shifts{display:flex;flex-direction:column;gap:8px}.shift{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:10px 14px;border-radius:14px;background:var(--surface-2);line-height:1.5}.shift-from{color:var(--text-2)}.shift-to{font-weight:700;color:var(--text)}.shift-arrow{width:16px;height:16px;color:var(--g-ink);margin-left:6px}mark.kw{background:none;color:var(--g-ink);font-weight:800;box-shadow:inset 0 -.38em 0 var(--c-grammar-soft);border-radius:2px}.diagram{margin:0;display:flex;flex-direction:column;gap:10px;padding:14px;border-radius:16px;border:1px solid var(--border);background:var(--surface);min-width:0}.card 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var(--primary)}.match-tile.bad{border-color:var(--danger);background:var(--danger-soft);animation:shake .45s}.match-tile.done{border-color:var(--success);background:var(--success-soft);opacity:.45;box-shadow:none;cursor:default;animation:pop .3s var(--ease-spring)}.match-check{position:absolute;top:6px;right:6px;width:16px;height:16px;color:var(--success)}.speed-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:28px 18px;text-align:center;animation:cardIn .18s var(--ease-out);transition:background .15s,border-color .15s}.speed-card.flash-ok{border-color:var(--success);background:var(--success-soft)}.speed-card.flash-bad{border-color:var(--danger);background:var(--danger-soft);animation:shake .4s}.speed-word{border:none;background:none;font:inherit;font-size:clamp(1.8rem,7vw,2.4rem);font-weight:900;color:var(--text);cursor:pointer;padding:0}.speed-meaning{font-size:1.25rem}.speed-mult{position:absolute;top:12px;right:14px;padding:4px 10px;border-radius:999px;background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff;font-weight:900}.speed-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.speed-actions .btn{min-height:64px;font-size:1.1rem}.speed-yes{background:var(--success-fill);color:var(--on-success);box-shadow:0 4px color-mix(in srgb,var(--success) 70%,#000)}.speed-no{background:var(--danger-fill);color:var(--on-danger);box-shadow:0 4px color-mix(in srgb,var(--danger) 70%,#000)}.speed-actions .btn:active:not(:disabled){transform:translateY(3px);box-shadow:none}.spell-input{max-width:360px;text-align:center;font-size:1.3rem;font-weight:700;letter-spacing:.04em}.spell-input.ok{border-color:var(--success);background:var(--success-soft)}.spell-input.bad{border-color:var(--danger);background:var(--danger-soft);animation:shake .45s}.spell-diff{display:flex;flex-wrap:wrap;justify-content:center;gap:3px;font-size:1.4rem;font-weight:800;letter-spacing:.02em}.spell-diff span{min-width:22px;padding:2px 4px;border-radius:6px;text-align:center}.spell-diff .ok{background:var(--success-soft);color:var(--success-ink)}.spell-diff .bad{background:var(--danger-soft);color:var(--danger);text-decoration:underline wavy;text-underline-offset:4px}.letter-slots{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.letter-slots.bad{animation:shake .45s}.letter-slot{width:42px;height:50px;border-radius:10px;border:none;border-bottom:3px solid var(--border-strong);background:var(--surface-2);color:var(--text);font:inherit;font-size:1.4rem;font-weight:800;text-transform:lowercase}.letter-slot.filled{background:var(--primary-soft);border-bottom-color:var(--primary);cursor:pointer;animation:pop .2s var(--ease-spring)}.letter-slot.hinted{background:var(--warn-soft);border-bottom-color:var(--warn);cursor:default}.letter-slots.ok .letter-slot{background:var(--success-soft);border-bottom-color:var(--success)}.letter-slots.skip .letter-slot{background:var(--danger-soft);border-bottom-color:var(--danger)}.letter-tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.letter-tile{width:46px;height:50px;border-radius:12px;border:2px solid var(--border);background:var(--surface);box-shadow:0 3px 0 var(--border);font:inherit;font-size:1.35rem;font-weight:800;color:var(--text);cursor:pointer;transition:transform .08s,opacity .2s}.letter-tile:active:not(:disabled){transform:translateY(3px);box-shadow:none}.letter-tile.used{opacity:.25;transform:scale(.9)}@media(max-width:400px){.letter-slot{width:34px;height:44px;font-size:1.2rem}.letter-tile{width:40px;height:46px}}.balloons{display:flex;gap:10px;justify-content:center;height:86px;align-items:flex-start}.balloon{position:relative;width:34px;height:44px;border-radius:50% 50% 48% 48%;background:radial-gradient(circle at 32% 28%,color-mix(in srgb,var(--c) 40%,#fff),var(--c) 60%);animation:float 2.6s ease-in-out calc(var(--i) * .25s) infinite;transition:transform .3s,opacity .3s}.balloon:after{content:"";position:absolute;left:50%;top:100%;width:1px;height:30px;background:var(--border-strong)}.balloon.popped{animation:popBalloon .35s ease-out forwards}.balloon.fly{animation:flyAway 1.2s ease-in calc(var(--i) * .08s) forwards}@keyframes popBalloon{0%{transform:scale(1)}40%{transform:scale(1.35);opacity:1}to{transform:scale(.2);opacity:0}}@keyframes flyAway{to{transform:translateY(-140px) rotate(-8deg);opacity:0}}.hang-word{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.hang-letter{width:32px;height:42px;border-bottom:3px solid var(--border-strong);font-size:1.5rem;font-weight:800;text-align:center;line-height:40px}.hang-letter.shown{border-bottom-color:var(--primary);animation:pop .25s var(--ease-spring)}.hang-letter.revealed{color:var(--danger)}.keyboard{display:flex;flex-direction:column;gap:6px}.keyboard-row{display:flex;justify-content:center;gap:5px}.key-btn{flex:1;max-width:46px;height:50px;border-radius:10px;border:1px solid var(--border);background:var(--surface);box-shadow:0 2px 0 var(--border);font:inherit;font-weight:800;font-size:1.05rem;color:var(--text);cursor:pointer;text-transform:uppercase}.key-btn:active:not(:disabled){transform:translateY(2px);box-shadow:none}.key-btn.hit{background:var(--success-fill);border-color:var(--success-fill);color:var(--on-success);box-shadow:none}.key-btn.miss{background:var(--surface-3);color:var(--muted);box-shadow:none;text-decoration:line-through}.cloze-text{font-size:1.15rem;line-height:1.6}.hero-result{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:26px 18px;background:linear-gradient(180deg,var(--tone-soft),var(--surface) 70%)}.stars.big .star{width:50px;height:50px}.stars.big .star:nth-child(2){width:62px;height:62px}.result-score{font-size:2.6rem;font-weight:900;line-height:1}.review-list{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:14px;overflow:hidden}.review-item{display:grid;grid-template-columns:36px minmax(0,1fr);gap:10px;align-items:center;padding:10px 12px}.review-item+.review-item{border-top:1px solid var(--border)}.game-result-actions .btn{flex:1}.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.badge-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 10px;border-radius:16px;border:1px solid var(--border);background:var(--surface);text-align:center}.badge-medal{position:relative;width:56px;height:56px;border-radius:999px;display:grid;place-items:center;background:var(--tone-soft);color:var(--tone)}.badge-lock{position:absolute;right:-2px;bottom:-2px;width:22px!important;height:22px!important;padding:4px;border-radius:999px;background:var(--surface);color:var(--muted);box-shadow:0 0 0 2px var(--border)}.badge-medal svg{width:28px;height:28px}.badge-tile.unlocked .badge-medal{background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--tone) 55%,#fff),var(--tone));color:#fff;box-shadow:0 8px 18px -8px var(--tone)}.badge-tile.locked .badge-medal>svg:first-child{filter:grayscale(1);opacity:.5}.badge-tile.unlocked{border-color:color-mix(in srgb,var(--tone) 35%,var(--border))}.badge-tile .progress{width:100%}.badge-name{font-weight:800;font-size:.9rem}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-games{border-color:color-mix(in srgb,var(--c-speaking) 25%,var(--border))}.lesson-games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}.lesson-games-grid.single{grid-template-columns:1fr}.lesson-game{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:var(--surface);color:inherit;transition:border-color .15s,transform .1s,background .15s}@media(hover:hover){.lesson-game:hover{border-color:var(--tone);background:color-mix(in srgb,var(--tone-soft) 45%,var(--surface))}}.lesson-game:active{transform:scale(.99)}.lesson-game-play{width:18px;height:18px;color:var(--tone);fill:currentColor;flex:none}.lesson-game.skeleton{height:60px;border-color:transparent}.word-chip.hinted{background:var(--warn-soft);border-color:var(--warn);cursor:default}.word-chip.revealed{background:var(--success-soft);border-color:var(--success);cursor:default}.sentence-card.ok .answer-line{border-color:var(--success);background:var(--success-soft)}.sentence-card.bad .answer-line{border-color:var(--danger);background:var(--danger-soft);animation:shake .45s}.tick-box{width:24px;height:24px;flex:none;border-radius:7px;border:2px solid var(--border-strong, var(--border));display:grid;place-items:center;color:var(--on-primary, #fff);transition:background .18s ease,border-color .18s ease,transform .18s ease}.tick-box.on{background:var(--primary);border-color:var(--primary);transform:scale(1.05)}.item[aria-pressed=true] :is(.icon-tile,.level-badge){background:var(--primary);color:var(--on-primary)}.choice .choice-sub{display:flex;flex-direction:column;gap:0}.choice .choice-sub>span{white-space:nowrap}input[type=checkbox][role=switch]{appearance:none;-webkit-appearance:none;flex:none;position:relative;cursor:pointer;width:46px;height:28px;margin:0;border-radius:999px;background:var(--border-strong);transition:background 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.strength-dot{display:block}}@media(max-width:480px){.stat-card{flex-direction:column;align-items:flex-start;gap:8px}}@media(max-width:520px){.badge-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.badge-grid .badge-tile{padding:12px 6px;gap:4px}.badge-grid .badge-medal{width:44px;height:44px}.badge-grid .badge-medal svg{width:22px;height:22px}.badge-grid .badge-name{font-size:.78rem;line-height:1.25}.badge-grid .badge-desc{display:none}}.heatmap span.future{visibility:hidden}@media(max-width:520px){.onboard-foot{position:sticky;bottom:0;z-index:5;margin:0 -18px;padding:12px 18px calc(12px + var(--safe-bottom));background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border)}}.mock-header{position:sticky;top:var(--topbar-h);z-index:5;margin-top:-8px;padding-top:8px;background:var(--bg)}@media(max-width:480px){.example{padding:10px;column-gap:10px}.example>.btn{position:relative}.example>.btn:after{content:"";position:absolute;inset:-6px}}.feedback .btn{white-space:normal;text-align:left;max-width:100%;height:auto}.letter-slots{flex-wrap:nowrap;gap:4px;width:100%}.letter-slot{flex:0 1 42px;min-width:0}@media(max-width:400px){.letter-slot,.letter-tile{width:36px}.letter-slot{flex-basis:36px}}.key-btn{flex:0 1 calc((100% - 45px)*.1);max-width:46px;min-width:0}@keyframes popBalloon{0%{transform:scale(1)}40%{transform:scale(1.35);opacity:1}to{transform:scale(.55);opacity:.25;filter:grayscale(1)}}@media(max-width:767px){.main.focus .game-page{min-height:calc(100dvh - var(--topbar-h) - 44px);display:flex;flex-direction:column}.main.focus .game-page>.stack:last-child{flex:1}.game-page .speed-actions,.game-page .keyboard{margin-top:auto}.game-page>.game-head{display:none}.topbar-exit{width:44px;min-height:44px}.game-intro{padding:18px 16px;gap:10px}.game-intro .game-icon{width:60px;height:60px;border-radius:18px}.game-intro .game-icon svg{width:30px;height:30px}}.how-list li,.game-intro p{text-wrap:pretty}.match-board{grid-auto-flow:column;grid-template-rows:repeat(6,auto)}.match-col{display:contents}.spell-input::placeholder{font-size:1rem;font-weight:500;letter-spacing:0}@media(max-width:639px){.grid>.reveal{transition-delay:0ms!important}.game-card{min-height:0;padding:14px;gap:8px}.game-card>p{display:none}}.hud-chip.warn{color:var(--danger-ink)}@media(max-width:639px){.game-grid{gap:10px}}.route-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200;overflow:hidden;pointer-events:none;background:color-mix(in srgb,var(--primary) 18%,transparent);opacity:0;animation:routeShow .01s linear .12s forwards}.route-progress:before{content:"";position:absolute;top:0;bottom:0;width:40%;border-radius:3px;background:var(--primary);animation:routeSlide 1s ease-in-out infinite}@keyframes routeShow{to{opacity:1}}@keyframes routeSlide{0%{left:-40%}to{left:100%}}a.item:active,button.item:active,.card-link:active,.lesson-game:active,.tap-row:active{background:var(--surface-2)}.card-link:active{transform:scale(.99)}.flashcard:not(.flipped) .flash-back,.flashcard.flipped .flash-face:not(.flash-back){pointer-events:none}.section-head a{padding:10px 6px;margin:-10px -6px;border-radius:10px}.tap-row{min-height:40px;padding:4px 0;border-radius:10px}.keyboard-row{gap:4px}.key-btn{flex-basis:calc((100% - 36px)*.1)}