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var(--border);border-radius:var(--radius);padding:16px}.tg-rr .card-title{display:flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:12px}.tg-rr .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;border-radius:14px;padding:12px 18px;border:1px solid transparent;transition:transform .08s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease,opacity .15s ease}.tg-rr .btn:active:not(:disabled){transform:scale(.97)}.tg-rr .btn:disabled{opacity:.45;cursor:not-allowed}.tg-rr .btn-primary{background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;text-shadow:0 1px 2px rgba(0,0,0,.25);box-shadow:0 6px 18px -6px var(--primary-glow),inset 0 1px #ffffff40}.tg-rr .btn-primary:hover:not(:disabled){filter:brightness(1.06)}.tg-rr 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rgba(245,158,11,.32);border-radius:999px;padding:3px 10px;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-rr .score-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.tg-rr .score-row{display:grid;grid-template-columns:28px 56px 1fr auto;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border)}.tg-rr .score-row-new{border-color:var(--brand);box-shadow:0 0 0 1px #f59e0b59}.tg-rr .score-rank{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:var(--surface-3);color:var(--text-dim)}.tg-rr .score-rank-1{background:linear-gradient(180deg,#fcd34d,#d97706);color:#3b2403}.tg-rr .score-rank-2{background:linear-gradient(180deg,#e2e8f0,#94a3b8);color:#1e293b}.tg-rr .score-rank-3{background:linear-gradient(180deg,#fdba74,#c2540a);color:#431d05}.tg-rr .score-initials{font-family:var(--font-mono);font-weight:700;letter-spacing:.14em}.tg-rr .score-title{color:var(--text-dim);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-rr .score-value{font-family:var(--font-mono);font-weight:800;font-size:1.05rem;color:var(--brand-bright)}.tg-rr .scores-empty{color:var(--text-faint);font-size:1rem}.tg-rr .lm-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;background:#070b14f0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);overflow-y:auto;border-radius:inherit;display:flex;flex-direction:column}.tg-rr .lm-countbar{position:sticky;top:0;height:5px;background:#94a3b826;flex-shrink:0}.tg-rr .lm-countbar-fill{height:100%;background:linear-gradient(90deg,var(--brand-bright),var(--brand));animation:lm-drain-tg-rr linear forwards;transform-origin:left}@keyframes lm-drain-tg-rr{0%{width:100%}to{width:0%}}.tg-rr .lm-body{padding:14px 18px calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:12px;max-width:480px;width:100%;margin-inline:auto}.tg-rr .lm-eyebrow{text-align:center;font-size:.84rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-rr .lm-body-quick{gap:10px}.tg-rr .lm-quick-answer{text-align:center;font-family:var(--font-mono);font-weight:800;font-size:2.1rem;color:var(--primary)}.tg-rr .lm-quick-cue{text-align:center}.tg-rr .lm-quick-cue code{font-family:var(--font-mono);color:var(--accent-teach);font-size:1.15rem;font-weight:700;line-height:1.45}.tg-rr .lm-method{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}.tg-rr .lm-tool{font-weight:700;color:var(--brand-bright);font-size:1.08rem;text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:8px}.tg-rr .lm-tool-tag{font-size:.8rem;font-weight:800;letter-spacing:.1em;padding:3px 8px;border-radius:6px;background:#f59e0b26;border:1px solid rgba(245,158,11,.4);color:var(--brand-bright)}.tg-rr .lm-tool-note{color:var(--text-dim);font-size:1rem;line-height:1.45;margin-top:5px;padding-bottom:10px;border-bottom:1px solid var(--border)}.tg-rr .lm-steps{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px;margin-top:11px}.tg-rr .lm-step{display:flex;gap:13px;align-items:baseline}.tg-rr .lm-step-num{flex-shrink:0;font-size:.88rem;font-weight:700;color:var(--text-dim);background:var(--surface-3);border-radius:7px;padding:2px 7px;white-space:nowrap}.tg-rr .lm-step-body{display:flex;flex-direction:column;gap:1px}.tg-rr .lm-step-label{font-size:1.02rem;line-height:1.35;color:var(--text)}.tg-rr .lm-step-expr{color:var(--accent-teach);font-size:1.1rem;line-height:1.4;font-weight:600}.tg-rr .lm-check{margin-top:6px;color:var(--text-dim);font-family:var(--font-mono);font-size:1rem}.tg-rr .lm-countdown{text-align:center;color:var(--text-faint);font-size:1rem}.tg-rr .combo-pop{position:absolute;top:22%;left:50%;z-index:25;pointer-events:none;font-size:2rem;font-weight:800;white-space:nowrap;background:linear-gradient(180deg,#fde68a,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 2px 10px rgba(245,158,11,.45));animation:combo-pop-tg-rr 1.2s cubic-bezier(.18,.9,.32,1.2) forwards}@keyframes combo-pop-tg-rr{0%{transform:translate(-50%,12px) scale(.6);opacity:0}18%{transform:translate(-50%) scale(1.08);opacity:1}70%{transform:translate(-50%,-6px) scale(1);opacity:1}to{transform:translate(-50%,-22px) scale(.96);opacity:0}}.tg-rr .qr-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#04070eb3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:16px}@media(min-width:600px){.tg-rr .qr-backdrop{align-items:center}}.tg-rr .qr-modal{width:min(100%,560px);max-height:calc(var(--vvh, 100dvh) - 48px);background:var(--bg);border:1px solid var(--border-strong);border-radius:22px;display:flex;flex-direction:column;overflow:hidden}.tg-rr .qr-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:16px 18px 12px;border-bottom:1px solid var(--border)}.tg-rr .qr-title{font-size:1.45rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-bright)}.tg-rr .qr-body{flex:1;min-height:0;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:18px}.tg-rr .qr-footer{flex-shrink:0;padding:12px 18px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--bg)}.tg-rr .qr-section-title{font-size:1rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:11px}.tg-rr .qr-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;display:flex;flex-direction:column;gap:11px;font-size:1.06rem;line-height:1.5}.tg-rr .qr-box hr{border:none;border-top:1px solid var(--border);margin:4px 0;width:100%}.tg-rr .qr-q{font-weight:600;font-size:1.1rem}.tg-rr .qr-work{margin:0;white-space:pre-wrap;color:var(--accent-teach);font-size:1.05rem;line-height:1.7}.tg-rr .qr-work .qr-arrow{color:var(--text);font-weight:800;padding-inline:.22em}.tg-rr .qr-muted{color:var(--text-dim);font-size:1.0625rem;line-height:1.55}.tg-rr .home-top{display:flex;align-items:center;justify-content:space-between}.tg-rr .home-top-spacer{width:42px}.tg-rr .home-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:-10px}.tg-rr .brand{font-size:clamp(1.9rem,8vw,2.7rem);font-weight:800;letter-spacing:-.01em;line-height:1.08;background:linear-gradient(180deg,#fde68a 0%,var(--brand-bright) 45%,#ea7c0b 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var(--border);color:var(--text-dim);transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .08s ease}.tg-rr .pack-chip:active{transform:scale(.985)}.tg-rr .pack-chip-distance{--pack-accent: var(--accent-gold)}.tg-rr .pack-chip-revenue{--pack-accent: var(--primary)}.tg-rr .pack-chip-profit{--pack-accent: var(--accent-teach)}.tg-rr .pack-chip-work{--pack-accent: var(--accent-blue)}.tg-rr .pack-chip-jobrates{--pack-accent: var(--accent-violet)}.tg-rr .pack-chip-on{color:var(--text);border-color:color-mix(in srgb,var(--pack-accent) 65%,transparent);background:color-mix(in srgb,var(--pack-accent) 10%,var(--surface-2));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--pack-accent) 30%,transparent)}.tg-rr .pack-check{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;margin-top:2px;border-radius:6px;border:1.5px solid var(--border-strong);background:transparent;color:#08101f;flex-shrink:0}.tg-rr .pack-chip-on .pack-check{background:var(--pack-accent);border-color:var(--pack-accent)}.tg-rr .pack-body{display:flex;flex-direction:column;gap:2px;min-width:0}.tg-rr .pack-title{font-weight:800;font-size:1.05rem;color:var(--text)}.tg-rr .pack-chip:not(.pack-chip-on) .pack-title{color:var(--text-dim)}.tg-rr .pack-line{font-size:1rem;line-height:1.35;color:var(--text-dim)}.tg-rr .pack-note{margin-top:4px;font-size:1rem;font-style:italic;color:var(--text-faint)}.tg-rr .pack-chip-on .pack-note{color:color-mix(in srgb,var(--pack-accent) 75%,var(--text-dim))}.tg-rr .difficulty-seg{margin-top:12px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:4px}.tg-rr .difficulty-btn{padding:8px 6px;border-radius:9px;font-weight:700;font-size:.9rem;color:var(--text-dim);transition:background-color .15s ease,color .15s ease}.tg-rr .difficulty-btn:hover{color:var(--text)}.tg-rr .difficulty-btn-on{background:var(--surface-3);color:var(--brand-bright);box-shadow:inset 0 0 0 1px #f59e0b59}.tg-rr .difficulty-sub{margin-top:8px;text-align:center;font-size:1rem;line-height:1.35;color:var(--text-dim)}.tg-rr .packs-note{margin-top:12px;text-align:center;font-size:1rem;color:var(--text-dim)}.tg-rr .packs-note-warn{color:var(--danger);font-weight:600}.tg-rr .home-actions{display:flex;flex-direction:column;gap:10px}.tg-rr .round-rules{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;display:flex;flex-direction:column;gap:3px}.tg-rr .round-rules-title{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.tg-rr .round-rules-line{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--text-dim)}.tg-rr .btn-play{position:relative;font-size:1.35rem;padding:16px 20px;border-radius:18px;letter-spacing:.02em}.tg-rr .btn-play:not(:disabled){box-shadow:0 10px 30px -8px var(--primary-glow),0 0 0 1px #22c55e40,inset 0 1px #ffffff47}.tg-rr .home-actions-row,.tg-rr .go-actions-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-rr .home-actions-row .btn{font-size:.95rem;padding:12px 10px}.tg-rr .game-screen{position:fixed;top:var(--vvt, 0px);left:0;right:0;height:var(--vvh, 100dvh);width:min(100%,560px);margin-inline:auto;padding:calc(8px + env(safe-area-inset-top)) 12px calc(10px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;overflow:hidden;z-index:1}.tg-rr .game-header{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}.tg-rr .game-stat{display:flex;flex-direction:column;align-items:center;line-height:1;min-width:60px}.tg-rr .stat-value{font-family:var(--font-mono);font-size:2.3rem;font-weight:800;color:var(--brand-bright);text-shadow:0 2px 14px rgba(245,158,11,.4)}.tg-rr .stat-label{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-top:3px}.tg-rr .game-center{display:flex;flex-direction:column;align-items:center;gap:2px}.tg-rr .timer{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;letter-spacing:.02em;padding:1px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border-strong);line-height:1.12}.tg-rr .timer-urgent{color:#fecaca;background:#b91c1c38;border-color:#f8717199;animation:timer-pulse-tg-rr 1s ease-in-out infinite}@keyframes timer-pulse-tg-rr{0%,to{box-shadow:0 0 #f8717166}50%{box-shadow:0 0 0 5px #f8717100}}.tg-rr .game-combo{min-height:1em;font-family:var(--font-mono);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-teach)}.tg-rr .game-controls{display:flex;gap:6px}.tg-rr .game-card{position:relative;flex:0 1 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.stem-md{font-size:1rem;font-weight:600;line-height:1.5}.tg-rr .answer-form{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:10px}.tg-rr .answer-input{flex:1;min-width:0;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;padding:11px 14px;font-family:var(--font-mono);font-size:1.5rem;font-weight:700;text-align:center;color:var(--text);caret-color:var(--primary)}.tg-rr .answer-input::placeholder{color:var(--text-faint);font-weight:500}.tg-rr .answer-input:focus{outline:none;box-shadow:0 0 0 3px #22c55e38}.tg-rr .answer-control{display:flex;align-items:stretch;width:100%;max-width:340px;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;overflow:hidden;transition:box-shadow .15s ease}.tg-rr .answer-control:focus-within{box-shadow:0 0 0 3px #22c55e38}.tg-rr .answer-control .answer-input{border:none;background:transparent;border-radius:0;box-shadow:none;padding:12px 10px}.tg-rr 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.go-score{font-family:var(--font-mono);font-size:4.4rem;font-weight:800;line-height:1;background:linear-gradient(180deg,#fde68a,var(--brand-bright) 50%,#ea7c0b);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 18px rgba(245,158,11,.25))}.tg-rr .go-milestone{font-size:1.25rem;font-weight:800}.tg-rr .go-newbest{color:var(--primary);font-weight:700;animation:newbest-pop-tg-rr .5s cubic-bezier(.18,.9,.32,1.4)}@keyframes newbest-pop-tg-rr{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.tg-rr .go-stats{display:flex;flex-direction:column;gap:12px}.tg-rr .go-stat-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.tg-rr .go-stat-cell{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 6px}.tg-rr .go-stat-value{font-family:var(--font-mono);font-size:1.5rem;font-weight:800;color:var(--accent-teach)}.tg-rr 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.btn-save{flex:1}.tg-rr .go-saved-note{color:var(--primary);font-weight:600;font-size:.9rem;margin-bottom:12px}.tg-rr .go-actions{display:flex;flex-direction:column;gap:10px}.tg-rr .go-actions .btn-block{font-size:1.15rem;padding:14px}.tg-rr .go-actions-row .btn{font-size:.86rem;padding:11px 8px}.tg-rr .subpage-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.tg-rr .subpage-title{font-size:1.25rem;font-weight:800;text-align:center;flex:1}.tg-rr .subpage-counter{min-width:42px;text-align:center;font-family:var(--font-mono);font-weight:700;color:var(--text-dim)}.tg-rr .review-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:18px}.tg-rr .review-card{display:flex;flex-direction:column;gap:16px;padding:18px 15px;border-left:3px solid var(--border-strong)}.tg-rr .review-card.review-wrong{border-left-color:var(--danger)}.tg-rr .review-card.review-correct{border-left-color:var(--primary)}.tg-rr 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.review-helper{text-align:center;color:var(--text-faint);font-size:1rem;margin-top:-6px}.tg-rr .hub-list{display:flex;flex-direction:column;gap:12px}.tg-rr .hub-card{display:flex;align-items:center;gap:13px;text-align:left;cursor:pointer}.tg-rr .hub-card:disabled{opacity:.45;cursor:default}.tg-rr .hub-card-emoji{font-size:1.5rem}.tg-rr .hub-card-body{flex:1;display:flex;flex-direction:column;gap:3px}.tg-rr .hub-card-title{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:1.05rem}.tg-rr .hub-card-sub{color:var(--text-dim);font-size:.9rem;line-height:1.4}.tg-rr .hub-card-sprint .hub-card-title{color:var(--primary)}.tg-rr .hub-sprint-note{text-align:center;color:var(--text-faint);font-size:.85rem;padding:4px 10px}.tg-rr .guided-card{display:flex;flex-direction:column;gap:14px}.tg-rr .guided-card-top{display:flex;align-items:center;justify-content:space-between}.tg-rr .guided-misscount{font-size:.8rem;color:var(--text-faint);font-family:var(--font-mono)}.tg-rr .guided-eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint)}.tg-rr .guided-assist{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 13px;font-size:1rem;line-height:1.45}.tg-rr .guided-assist-label{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:3px}.tg-rr .guided-assist code{font-family:var(--font-mono);color:var(--accent-teach)}.tg-rr .guided-feedback-main{font-weight:700;font-size:1.02rem}.tg-rr .guided-feedback-right .guided-feedback-main{color:var(--accent-teach)}.tg-rr .guided-feedback-checkmark .guided-feedback-main:before{content:"✓ "}.tg-rr .guided-feedback-sub{color:var(--text-dim);font-size:.92rem;margin-top:3px}.tg-rr .guided-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.tg-rr .guided-done{text-align:center;gap:10px}.tg-rr .guided-done-title{font-size:1.15rem;font-weight:800}.tg-rr .guided-done-sub{color:var(--text-dim);font-size:.92rem}.tg-rr .sprint-over-eyebrow{font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-bright)}.tg-rr .sprint-tag{text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;color:var(--text-faint)}@media(max-width:380px){.tg-rr .review-card{padding:16px 12px}.tg-rr .review-method{padding:14px 12px}}@media(min-width:600px){.tg-rr .review-card{padding:20px}.tg-rr .review-method{padding:16px 18px}}.tg-rr .review-back{margin-top:4px}.tg-rr .learn-sub{text-align:center;color:var(--text-dim);font-size:1.05rem}.tg-rr .learn-sub strong{color:var(--text)}.tg-rr .lesson-list{display:flex;flex-direction:column;gap:12px}.tg-rr .lesson-card{display:flex;align-items:center;gap:14px;text-align:left;width:100%;transition:border-color .15s ease,transform .08s ease,background-color .15s ease}.tg-rr .lesson-card:hover{border-color:color-mix(in 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.lesson-stage-dot{width:7px;height:7px;border-radius:50%;background:var(--surface-3);border:1px solid var(--border-strong)}.tg-rr .lesson-stage-dot.on{background:var(--lesson-accent);border-color:var(--lesson-accent)}.tg-rr .lesson-stage-count{font-size:.85rem;color:var(--text-faint);font-family:var(--font-mono);margin-left:3px}.tg-rr .lesson-arrow{color:var(--text-faint);font-size:1.45rem;flex-shrink:0}.tg-rr .learn-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}.tg-rr .lesson-progress{display:flex;gap:6px;flex:1;justify-content:center}.tg-rr .lesson-progress-seg{width:34px;height:7px;border-radius:999px;background:var(--surface-3);transition:background-color .2s ease}.tg-rr .lesson-progress-seg.current{background:var(--brand)}.tg-rr .lesson-progress-seg.done{background:var(--primary)}.tg-rr .lesson-progress-seg.current.done{background:linear-gradient(90deg,var(--primary),var(--brand))}.tg-rr .lesson-head{display:flex;align-items:center;gap:14px}.tg-rr .lesson-emoji-lg{font-size:2rem;width:56px;height:56px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:16px}.tg-rr .lesson-screen-title{font-size:1.55rem;font-weight:800;color:var(--lesson-accent)}.tg-rr .lesson-formula{color:var(--text-dim);font-size:1.02rem;line-height:1.4}.tg-rr .lesson-stage-card{display:flex;flex-direction:column;gap:12px}.tg-rr .stage-badge{align-self:flex-start;font-size:.92rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 13px;border-radius:999px}.tg-rr .badge-ido{background:#f59e0b1f;color:var(--brand-bright);border:1px solid rgba(245,158,11,.4)}.tg-rr .badge-wedo{background:#38bdf81f;color:var(--accent-blue);border:1px solid rgba(56,189,248,.4)}.tg-rr .badge-youdo{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-rr .badge-flash{background:#a78bfa1f;color:var(--accent-violet);border:1px solid rgba(167,139,250,.4)}.tg-rr .lesson-tool{color:var(--text-dim);font-size:1.1rem}.tg-rr .lesson-tool strong{color:var(--accent-teach);text-transform:uppercase;letter-spacing:.04em}.tg-rr .lesson-prompt{font-size:clamp(1.35rem,5.2vw,1.6rem);font-weight:600;line-height:1.34;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-rr .lesson-ido-step{padding:4px 2px;animation:step-in-tg-rr .25s ease}@keyframes step-in-tg-rr{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.tg-rr .lesson-ido-answer{display:flex;flex-direction:column;align-items:center;gap:2px;background:#22c55e14;border:1px solid rgba(34,197,94,.35);border-radius:var(--radius-sm);padding:12px;animation:step-in-tg-rr .25s ease}.tg-rr .lesson-ido-answer span{font-size:.9rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim)}.tg-rr .lesson-ido-answer strong{font-family:var(--font-mono);font-size:2rem;color:var(--primary)}.tg-rr .lesson-trap{background:#f8717112;border:1px solid rgba(248,113,113,.3);border-radius:var(--radius-sm);padding:12px 14px;display:flex;flex-direction:column;gap:4px;animation:step-in-tg-rr .25s ease}.tg-rr .lesson-trap-title{font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--danger)}.tg-rr .lesson-trap-body{font-size:1rem;line-height:1.45}.tg-rr .lesson-trap-fix{color:var(--accent-teach);font-size:1rem;line-height:1.45}.tg-rr .lesson-feedback{font-weight:600;font-size:1.12rem;line-height:1.4}.tg-rr .lesson-feedback-wrong{color:var(--danger)}.tg-rr .lesson-feedback-right{color:var(--primary)}.tg-rr .lesson-hints{display:flex;flex-direction:column;gap:10px;padding-left:22px;color:var(--text-dim);font-size:1.05rem;line-height:1.45}.tg-rr .lesson-hints li::marker{color:var(--brand-bright);font-weight:700}.tg-rr .lesson-stage-actions{display:flex;gap:10px;justify-content:flex-end}.tg-rr .flash-options{display:flex;flex-direction:column;gap:9px}.tg-rr .flash-option{text-align:left;padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:1.12rem;line-height:1.4;transition:border-color .15s ease,background-color .15s ease}.tg-rr .flash-option:hover:not(:disabled){border-color:var(--border-strong)}.tg-rr .flash-option.flash-right{border-color:#22c55e99;background:#22c55e1a}.tg-rr .flash-option.picked.flash-wrong{border-color:#f8717199;background:#f8717114}.tg-rr .home-screen{width:min(100%,680px)}.tg-eqs h1,.tg-eqs h2,.tg-eqs h3,.tg-eqs p,.tg-eqs ol,.tg-eqs ul{margin:0}.tg-eqs button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;padding:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.tg-eqs input{font:inherit;color:inherit}.tg-eqs code,.tg-eqs pre{font-family:var(--font-mono)}.tg-eqs img{display:block;max-width:100%}.tg-eqs :focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px}.tg-eqs .app-root{position:relative;min-height:100svh;min-height:100dvh;overflow-x:clip;background:radial-gradient(60rem 36rem at 12% -8%,rgba(99,102,241,.16),transparent 60%),radial-gradient(48rem 30rem at 105% 0%,rgba(245,158,11,.1),transparent 55%),radial-gradient(50rem 40rem at 50% 115%,rgba(34,197,94,.07),transparent 60%),var(--bg)}.tg-eqs .bg-decor{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.tg-eqs .bg-glyph{position:absolute;font-weight:800;font-size:22rem;line-height:1;color:#94a3b80a;-webkit-user-select:none;user-select:none}.tg-eqs .bg-glyph-1{top:-4rem;right:-5rem;transform:rotate(12deg)}.tg-eqs .bg-glyph-2{bottom:-6rem;left:-4rem;transform:rotate(-10deg)}.tg-eqs .bg-glyph-3{top:38%;left:62%;font-size:13rem;transform:rotate(-18deg);color:#94a3b808}.tg-eqs .screen{position:relative;z-index:1;width:min(100%,540px);margin-inline:auto;padding:calc(14px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}.tg-eqs .frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.02;font-family:var(--font-mono);font-weight:700;margin-inline:2px}.tg-eqs .frac-bar{display:block;width:100%;min-width:1.4em;height:2px;border-radius:2px;background:currentColor;margin:.08em 0}.tg-eqs .frac-n,.tg-eqs .frac-d{padding-inline:.22em}.tg-eqs .eq .frac{font-size:.82em}.tg-eqs .card{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.tg-eqs .card-title{display:flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:12px}.tg-eqs .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;border-radius:14px;padding:12px 18px;border:1px solid transparent;transition:transform .08s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease,opacity .15s ease}.tg-eqs .btn:active:not(:disabled){transform:scale(.97)}.tg-eqs .btn:disabled{opacity:.45;cursor:not-allowed}.tg-eqs .btn-primary{background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;text-shadow:0 1px 2px rgba(0,0,0,.25);box-shadow:0 6px 18px -6px var(--primary-glow),inset 0 1px #ffffff40}.tg-eqs .btn-primary:hover:not(:disabled){filter:brightness(1.06)}.tg-eqs .btn-secondary{background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}.tg-eqs .btn-secondary:hover:not(:disabled){background:var(--surface-3)}.tg-eqs .btn-ghost{color:var(--text-dim);padding:8px 10px;border-radius:10px}.tg-eqs .btn-ghost:hover{color:var(--text);background:#94a3b814}.tg-eqs .btn-block{width:100%}.tg-eqs .icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);transition:color .15s ease,background-color .15s ease,transform .08s ease}.tg-eqs .icon-btn:hover{color:var(--text);background:var(--surface-3)}.tg-eqs .icon-btn:active{transform:scale(.94)}.tg-eqs .icon-btn-sm{width:34px;height:34px;border-radius:10px}.tg-eqs .scores-mode{margin-left:auto;text-transform:none;letter-spacing:.01em;font-size:.72rem;font-weight:700;color:var(--brand-bright);background:#f59e0b1f;border:1px solid rgba(245,158,11,.32);border-radius:999px;padding:3px 10px;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-eqs .score-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.tg-eqs .score-row{display:grid;grid-template-columns:28px 56px 1fr auto;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border)}.tg-eqs .score-row-new{border-color:var(--brand);box-shadow:0 0 0 1px #f59e0b59}.tg-eqs .score-rank{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:var(--surface-3);color:var(--text-dim)}.tg-eqs .score-rank-1{background:linear-gradient(180deg,#fcd34d,#d97706);color:#3b2403}.tg-eqs .score-rank-2{background:linear-gradient(180deg,#e2e8f0,#94a3b8);color:#1e293b}.tg-eqs .score-rank-3{background:linear-gradient(180deg,#fdba74,#c2540a);color:#431d05}.tg-eqs .score-initials{font-family:var(--font-mono);font-weight:700;letter-spacing:.14em}.tg-eqs .score-title{color:var(--text-dim);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-eqs .score-value{font-family:var(--font-mono);font-weight:800;font-size:1.05rem;color:var(--brand-bright)}.tg-eqs .scores-empty{color:var(--text-faint);font-size:1rem}.tg-eqs .lm-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;background:#070b14f0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);overflow-y:auto;border-radius:inherit;display:flex;flex-direction:column}.tg-eqs .lm-countbar{position:sticky;top:0;height:5px;background:#94a3b826;flex-shrink:0}.tg-eqs .lm-countbar-fill{height:100%;background:linear-gradient(90deg,var(--brand-bright),var(--brand));animation:lm-drain-tg-eqs linear forwards;transform-origin:left}@keyframes lm-drain-tg-eqs{0%{width:100%}to{width:0%}}.tg-eqs .lm-body{padding:14px 18px calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:12px;max-width:480px;width:100%;margin-inline:auto}.tg-eqs .lm-eyebrow{text-align:center;font-size:.84rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-eqs .lm-body-quick{gap:10px}.tg-eqs .lm-quick-answer{text-align:center;font-family:var(--font-mono);font-weight:800;font-size:2.1rem;color:var(--primary)}.tg-eqs .lm-quick-cue{text-align:center}.tg-eqs .lm-quick-cue code{font-family:var(--font-mono);color:var(--accent-teach);font-size:1.15rem;font-weight:700;line-height:1.45}.tg-eqs .lm-method{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}.tg-eqs .lm-tool{font-weight:700;color:var(--brand-bright);font-size:1.08rem;text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:8px}.tg-eqs .lm-tool-tag{font-size:.8rem;font-weight:800;letter-spacing:.1em;padding:3px 8px;border-radius:6px;background:#f59e0b26;border:1px solid rgba(245,158,11,.4);color:var(--brand-bright)}.tg-eqs .lm-tool-note{color:var(--text-dim);font-size:1rem;line-height:1.45;margin-top:5px;padding-bottom:10px;border-bottom:1px solid var(--border)}.tg-eqs .lm-steps{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px;margin-top:11px}.tg-eqs .lm-step{display:flex;gap:13px;align-items:baseline}.tg-eqs .lm-step-num{flex-shrink:0;font-size:.88rem;font-weight:700;color:var(--text-dim);background:var(--surface-3);border-radius:7px;padding:2px 7px;white-space:nowrap}.tg-eqs .lm-step-body{display:flex;flex-direction:column;gap:1px}.tg-eqs .lm-step-label{font-size:1.02rem;line-height:1.35;color:var(--text)}.tg-eqs .lm-step-expr{color:var(--accent-teach);font-size:1.1rem;line-height:1.4;font-weight:600}.tg-eqs .lm-check{margin-top:6px;color:var(--text-dim);font-family:var(--font-mono);font-size:1rem}.tg-eqs .lm-countdown{text-align:center;color:var(--text-faint);font-size:1rem}.tg-eqs .combo-pop{position:absolute;top:22%;left:50%;z-index:25;pointer-events:none;font-size:2rem;font-weight:800;white-space:nowrap;background:linear-gradient(180deg,#fde68a,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 2px 10px rgba(245,158,11,.45));animation:combo-pop-tg-eqs 1.2s cubic-bezier(.18,.9,.32,1.2) forwards}@keyframes combo-pop-tg-eqs{0%{transform:translate(-50%,12px) scale(.6);opacity:0}18%{transform:translate(-50%) scale(1.08);opacity:1}70%{transform:translate(-50%,-6px) scale(1);opacity:1}to{transform:translate(-50%,-22px) scale(.96);opacity:0}}.tg-eqs .qr-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#04070eb3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:16px}@media(min-width:600px){.tg-eqs .qr-backdrop{align-items:center}}.tg-eqs .qr-modal{width:min(100%,560px);max-height:calc(var(--vvh, 100dvh) - 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var(--border);border-radius:var(--radius-sm);padding:16px;display:flex;flex-direction:column;gap:11px;font-size:1.06rem;line-height:1.5}.tg-eqs .qr-box hr{border:none;border-top:1px solid var(--border);margin:4px 0;width:100%}.tg-eqs .qr-q{font-weight:600;font-size:1.1rem}.tg-eqs .qr-work{margin:0;white-space:pre-wrap;color:var(--accent-teach);font-size:1.05rem;line-height:1.7}.tg-eqs .qr-work .qr-arrow{color:var(--text);font-weight:800;padding-inline:.22em}.tg-eqs .qr-muted{color:var(--text-dim);font-size:1.0625rem;line-height:1.55}.tg-eqs .home-top{display:flex;align-items:center;justify-content:space-between}.tg-eqs .home-top-spacer{width:42px}.tg-eqs .home-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:-10px}.tg-eqs .brand{font-size:clamp(1.9rem,8vw,2.7rem);font-weight:800;letter-spacing:-.01em;line-height:1.08;background:linear-gradient(180deg,#fde68a 0%,var(--brand-bright) 45%,#ea7c0b 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var(--border);color:var(--text-dim);transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .08s ease}.tg-eqs .pack-chip:active{transform:scale(.985)}.tg-eqs .pack-chip-core{--pack-accent: var(--accent-gold)}.tg-eqs .pack-chip-frac{--pack-accent: var(--accent-violet)}.tg-eqs .pack-chip-on{color:var(--text);border-color:color-mix(in srgb,var(--pack-accent) 65%,transparent);background:color-mix(in srgb,var(--pack-accent) 10%,var(--surface-2));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--pack-accent) 30%,transparent)}.tg-eqs .pack-radio{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;margin-top:2px;border-radius:50%;border:1.5px solid var(--border-strong);flex-shrink:0}.tg-eqs .pack-radio-dot{width:10px;height:10px;border-radius:50%;background:transparent}.tg-eqs .pack-chip-on .pack-radio{border-color:var(--pack-accent)}.tg-eqs .pack-chip-on .pack-radio-dot{background:var(--pack-accent)}.tg-eqs .pack-body{display:flex;flex-direction:column;gap:2px;min-width:0}.tg-eqs .pack-title{font-weight:800;font-size:1.05rem;color:var(--text)}.tg-eqs .pack-chip:not(.pack-chip-on) .pack-title{color:var(--text-dim)}.tg-eqs .pack-line{font-size:1rem;line-height:1.35;color:var(--text-dim)}.tg-eqs .pack-note{margin-top:4px;font-size:1rem;font-style:italic;color:var(--text-faint)}.tg-eqs .pack-chip-on .pack-note{color:color-mix(in srgb,var(--pack-accent) 75%,var(--text-dim))}.tg-eqs .difficulty-seg{margin-top:12px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:4px}.tg-eqs .difficulty-btn{padding:8px 6px;border-radius:9px;font-weight:700;font-size:.9rem;color:var(--text-dim);transition:background-color .15s ease,color .15s ease}.tg-eqs .difficulty-btn:hover{color:var(--text)}.tg-eqs .difficulty-btn-on{background:var(--surface-3);color:var(--brand-bright);box-shadow:inset 0 0 0 1px #f59e0b59}.tg-eqs .packs-note{margin-top:12px;text-align:center;font-size:1rem;color:var(--text-dim)}.tg-eqs .packs-note-warn{color:var(--danger);font-weight:600}.tg-eqs .home-actions{display:flex;flex-direction:column;gap:10px}.tg-eqs .round-rules{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;display:flex;flex-direction:column;gap:3px}.tg-eqs .round-rules-title{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.tg-eqs .round-rules-line{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--text-dim)}.tg-eqs .btn-play{position:relative;font-size:1.35rem;padding:16px 20px;border-radius:18px;letter-spacing:.02em}.tg-eqs .btn-play:not(:disabled){box-shadow:0 10px 30px -8px var(--primary-glow),0 0 0 1px #22c55e40,inset 0 1px #ffffff47}.tg-eqs .home-actions-row,.tg-eqs .go-actions-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-eqs .home-actions-row .btn{font-size:.95rem;padding:12px 10px}.tg-eqs .game-screen{position:fixed;top:var(--vvt, 0px);left:0;right:0;height:var(--vvh, 100dvh);width:min(100%,560px);margin-inline:auto;padding:calc(8px + env(safe-area-inset-top)) 12px calc(10px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;overflow:hidden;z-index:1}.tg-eqs .game-header{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}.tg-eqs .game-stat{display:flex;flex-direction:column;align-items:center;line-height:1;min-width:60px}.tg-eqs .stat-value{font-family:var(--font-mono);font-size:2.3rem;font-weight:800;color:var(--brand-bright);text-shadow:0 2px 14px rgba(245,158,11,.4)}.tg-eqs .stat-label{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-top:3px}.tg-eqs .game-center{display:flex;flex-direction:column;align-items:center;gap:2px}.tg-eqs .timer{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;letter-spacing:.02em;padding:1px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border-strong);line-height:1.12}.tg-eqs .timer-urgent{color:#fecaca;background:#b91c1c38;border-color:#f8717199;animation:timer-pulse-tg-eqs 1s ease-in-out infinite}@keyframes timer-pulse-tg-eqs{0%,to{box-shadow:0 0 #f8717166}50%{box-shadow:0 0 0 5px #f8717100}}.tg-eqs .game-combo{min-height:1em;font-family:var(--font-mono);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-teach)}.tg-eqs .game-controls{display:flex;gap:6px}.tg-eqs .game-card{position:relative;flex:0 1 auto;margin-block:auto;min-height:0;display:flex;flex-direction:column;gap:14px;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 35%),var(--surface);border:1px solid var(--border);border-radius:20px;padding:18px 14px;transition:box-shadow .2s ease,border-color .2s ease}.tg-eqs .flash-correct{border-color:#22c55eb3;box-shadow:0 0 0 2px #22c55e59,0 0 26px -4px var(--primary-glow)}.tg-eqs .game-eyebrow{text-align:center;font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint)}.tg-eqs .game-prompt{flex-shrink:0;text-align:center;font-size:clamp(1.5rem,6.2vw,1.85rem);font-weight:700;line-height:1.32;text-wrap:balance;padding-inline:4px}.tg-eqs .eq{display:inline-flex;align-items:center;gap:.28em;font-family:var(--font-mono);font-weight:700;vertical-align:middle}.tg-eqs .eq-lg{font-size:1.12em}.tg-eqs .eq-md{font-size:1em}.tg-eqs .eq-x{color:var(--brand-bright);font-style:italic;padding-inline:.04em}.tg-eqs .eq-coef{display:inline-flex;align-items:center;gap:.1em}.tg-eqs .eq-equals{color:var(--text-dim)}.tg-eqs .answer-form{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:10px}.tg-eqs .answer-input{flex:1;min-width:0;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;padding:11px 14px;font-family:var(--font-mono);font-size:1.5rem;font-weight:700;text-align:center;color:var(--text);caret-color:var(--primary)}.tg-eqs .answer-input::placeholder{color:var(--text-faint);font-weight:500}.tg-eqs .answer-input:focus{outline:none;box-shadow:0 0 0 3px #22c55e38}.tg-eqs .answer-control{display:flex;align-items:stretch;width:100%;max-width:340px;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;overflow:hidden;transition:box-shadow .15s ease}.tg-eqs .answer-control:focus-within{box-shadow:0 0 0 3px #22c55e38}.tg-eqs .answer-affix{display:flex;align-items:center;font-family:var(--font-mono);font-size:1.45rem;font-weight:700;color:var(--text-dim);flex-shrink:0}.tg-eqs .answer-affix-pre{padding-left:14px;color:var(--brand-bright);white-space:nowrap}.tg-eqs .answer-row{display:flex;align-items:stretch;justify-content:center;gap:10px;width:100%;max-width:340px}.tg-eqs 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.go-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-eqs .go-score{font-family:var(--font-mono);font-size:4.4rem;font-weight:800;line-height:1;background:linear-gradient(180deg,#fde68a,var(--brand-bright) 50%,#ea7c0b);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 18px rgba(245,158,11,.25))}.tg-eqs .go-milestone{font-size:1.25rem;font-weight:800}.tg-eqs .go-newbest{color:var(--primary);font-weight:700;animation:newbest-pop-tg-eqs .5s cubic-bezier(.18,.9,.32,1.4)}@keyframes newbest-pop-tg-eqs{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.tg-eqs .go-stats{display:flex;flex-direction:column;gap:12px}.tg-eqs .go-stat-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.tg-eqs .go-stat-cell{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 6px}.tg-eqs .go-stat-value{font-family:var(--font-mono);font-size:1.5rem;font-weight:800;color:var(--accent-teach)}.tg-eqs .go-stat-label{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.tg-eqs .go-progress-row{display:flex;justify-content:space-between;font-size:.82rem;color:var(--text-dim);font-weight:600}.tg-eqs .go-progress-track{height:10px;border-radius:999px;background:var(--surface-3);overflow:hidden}.tg-eqs .go-progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand-bright),var(--brand));transition:width .6s ease}.tg-eqs .go-progress-note{font-size:1rem;color:var(--text-dim);text-align:center}.tg-eqs .go-save-row{display:flex;gap:10px;margin-bottom:12px}.tg-eqs .initials-input{width:110px;background:#080d1acc;border:1.5px solid var(--border-strong);border-radius:12px;padding:9px 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.badge-timedout{background:#38bdf81f;color:var(--accent-blue);border:1px solid rgba(56,189,248,.4)}.tg-eqs .review-prompt{font-weight:600;font-size:clamp(1.35rem,5.4vw,1.6rem);line-height:1.34}.tg-eqs .review-index{color:var(--text-faint);font-family:var(--font-mono);font-size:1rem}.tg-eqs .review-answers{display:flex;gap:10px 22px;flex-wrap:wrap;font-family:var(--font-mono);font-weight:700;font-size:1.3rem}.tg-eqs .review-ans-wrong{color:var(--danger);text-decoration:line-through}.tg-eqs .review-ans-right{color:var(--primary)}.tg-eqs .review-ans-skipped{color:var(--brand-bright);font-size:1.05rem;font-family:var(--font-ui);font-weight:600}.tg-eqs .review-method{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-eqs .review-method summary{cursor:pointer;font-weight:700;color:var(--brand-bright);font-size:1.12rem;display:flex;align-items:center;gap:9px;list-style:none}.tg-eqs .review-method summary::-webkit-details-marker{display:none}.tg-eqs .review-method summary:after{content:"";margin-left:auto;flex-shrink:0;width:1.05em;height:1.05em;background-color:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;transition:transform .2s ease}.tg-eqs .review-method[open] summary:after{transform:rotate(180deg)}.tg-eqs .review-method .lm-tool-note{font-size:1.02rem;line-height:1.5;margin-top:10px;padding-bottom:12px}.tg-eqs .review-method .lm-steps{margin-top:14px;gap:14px}.tg-eqs .review-method .lm-step{gap:13px}.tg-eqs .review-method .lm-step-body{gap:4px}.tg-eqs .result-chip{display:inline-block;font-weight:800;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);border-radius:7px;padding:2px 9px}.tg-eqs .review-empty{text-align:center;color:var(--text-dim);padding:30px 0}.tg-eqs .review-helper{text-align:center;color:var(--text-faint);font-size:1rem;margin-top:-6px}.tg-eqs .hub-list{display:flex;flex-direction:column;gap:12px}.tg-eqs .hub-card{display:flex;align-items:center;gap:13px;text-align:left;cursor:pointer}.tg-eqs .hub-card:disabled{opacity:.45;cursor:default}.tg-eqs .hub-card-emoji{font-size:1.5rem}.tg-eqs .hub-card-body{flex:1;display:flex;flex-direction:column;gap:3px}.tg-eqs .hub-card-title{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:1.05rem}.tg-eqs .hub-card-sub{color:var(--text-dim);font-size:.9rem;line-height:1.4}.tg-eqs .hub-card-sprint .hub-card-title{color:var(--primary)}.tg-eqs .hub-sprint-note{text-align:center;color:var(--text-faint);font-size:.85rem;padding:4px 10px}.tg-eqs .guided-card{display:flex;flex-direction:column;gap:14px}.tg-eqs .guided-card-top{display:flex;align-items:center;justify-content:space-between}.tg-eqs .guided-misscount{font-size:.8rem;color:var(--text-faint);font-family:var(--font-mono)}.tg-eqs .guided-eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint)}.tg-eqs .guided-assist{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 13px;font-size:1rem;line-height:1.45}.tg-eqs .guided-assist-label{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:3px}.tg-eqs .guided-assist code{font-family:var(--font-mono);color:var(--accent-teach)}.tg-eqs .guided-feedback-main{font-weight:700;font-size:1.02rem}.tg-eqs .guided-feedback-right .guided-feedback-main{color:var(--accent-teach)}.tg-eqs .guided-feedback-checkmark .guided-feedback-main:before{content:"✓ "}.tg-eqs .guided-feedback-sub{color:var(--text-dim);font-size:.92rem;margin-top:3px}.tg-eqs .guided-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.tg-eqs .guided-done{text-align:center;gap:10px}.tg-eqs .guided-done-title{font-size:1.15rem;font-weight:800}.tg-eqs .guided-done-sub{color:var(--text-dim);font-size:.92rem}.tg-eqs .sprint-over-eyebrow{font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-bright)}.tg-eqs .sprint-tag{text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;color:var(--text-faint)}@media(max-width:380px){.tg-eqs .review-card{padding:16px 12px}.tg-eqs .review-method{padding:14px 12px}}@media(min-width:600px){.tg-eqs .review-card{padding:20px}.tg-eqs .review-method{padding:16px 18px}}.tg-eqs .review-back{margin-top:4px}.tg-eqs .learn-sub{text-align:center;color:var(--text-dim);font-size:1.05rem}.tg-eqs .learn-sub strong{color:var(--text)}.tg-eqs .lesson-list{display:flex;flex-direction:column;gap:12px}.tg-eqs .lesson-card{display:flex;align-items:center;gap:14px;text-align:left;width:100%;transition:border-color .15s ease,transform .08s ease,background-color .15s ease}.tg-eqs .lesson-card:hover{border-color:color-mix(in srgb,var(--lesson-accent) 55%,transparent)}.tg-eqs .lesson-card:active{transform:scale(.985)}.tg-eqs .lesson-emoji{font-size:1.7rem;flex-shrink:0;width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:14px}.tg-eqs .lesson-body{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.tg-eqs .lesson-title{font-weight:800;font-size:1.18rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tg-eqs .lesson-done{font-size:.82rem;font-weight:700;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);padding:1px 7px;border-radius:999px}.tg-eqs .lesson-blurb{color:var(--text-dim);font-size:1rem;line-height:1.4}.tg-eqs .lesson-stages{display:flex;align-items:center;gap:5px;margin-top:4px}.tg-eqs .lesson-stage-dot{width:7px;height:7px;border-radius:50%;background:var(--surface-3);border:1px solid var(--border-strong)}.tg-eqs .lesson-stage-dot.on{background:var(--lesson-accent);border-color:var(--lesson-accent)}.tg-eqs .lesson-stage-count{font-size:.85rem;color:var(--text-faint);font-family:var(--font-mono);margin-left:3px}.tg-eqs .lesson-arrow{color:var(--text-faint);font-size:1.45rem;flex-shrink:0}.tg-eqs .learn-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}.tg-eqs .lesson-progress{display:flex;gap:6px;flex:1;justify-content:center}.tg-eqs .lesson-progress-seg{width:34px;height:7px;border-radius:999px;background:var(--surface-3);transition:background-color .2s ease}.tg-eqs .lesson-progress-seg.current{background:var(--brand)}.tg-eqs .lesson-progress-seg.done{background:var(--primary)}.tg-eqs .lesson-progress-seg.current.done{background:linear-gradient(90deg,var(--primary),var(--brand))}.tg-eqs .lesson-head{display:flex;align-items:center;gap:14px}.tg-eqs .lesson-emoji-lg{font-size:2rem;width:56px;height:56px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:16px}.tg-eqs .lesson-screen-title{font-size:1.55rem;font-weight:800;color:var(--lesson-accent)}.tg-eqs .lesson-formula{color:var(--text-dim);font-size:1.02rem;line-height:1.4}.tg-eqs .lesson-stage-card{display:flex;flex-direction:column;gap:12px}.tg-eqs .stage-badge{align-self:flex-start;font-size:.92rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 13px;border-radius:999px}.tg-eqs .badge-ido{background:#f59e0b1f;color:var(--brand-bright);border:1px solid rgba(245,158,11,.4)}.tg-eqs .badge-wedo{background:#38bdf81f;color:var(--accent-blue);border:1px solid rgba(56,189,248,.4)}.tg-eqs .badge-youdo{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-eqs .badge-flash{background:#a78bfa1f;color:var(--accent-violet);border:1px solid rgba(167,139,250,.4)}.tg-eqs .lesson-tool{color:var(--text-dim);font-size:1.1rem}.tg-eqs .lesson-tool strong{color:var(--accent-teach);text-transform:uppercase;letter-spacing:.04em}.tg-eqs .lesson-prompt{font-size:clamp(1.35rem,5.2vw,1.6rem);font-weight:600;line-height:1.34;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-eqs .lesson-ido-step{padding:4px 2px;animation:step-in-tg-eqs .25s 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.lesson-trap-fix{color:var(--accent-teach);font-size:1rem;line-height:1.45}.tg-eqs .lesson-feedback{font-weight:600;font-size:1.12rem;line-height:1.4}.tg-eqs .lesson-feedback-wrong{color:var(--danger)}.tg-eqs .lesson-feedback-right{color:var(--primary)}.tg-eqs .lesson-hints{display:flex;flex-direction:column;gap:10px;padding-left:22px;color:var(--text-dim);font-size:1.05rem;line-height:1.45}.tg-eqs .lesson-hints li::marker{color:var(--brand-bright);font-weight:700}.tg-eqs .lesson-stage-actions{display:flex;gap:10px;justify-content:flex-end}.tg-eqs .flash-options{display:flex;flex-direction:column;gap:9px}.tg-eqs .flash-option{text-align:left;padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:1.12rem;line-height:1.4;transition:border-color .15s ease,background-color .15s ease}.tg-eqs .flash-option:hover:not(:disabled){border-color:var(--border-strong)}.tg-eqs .flash-option.flash-right{border-color:#22c55e99;background:#22c55e1a}.tg-eqs .flash-option.picked.flash-wrong{border-color:#f8717199;background:#f8717114}.tg-eqs .home-screen{width:min(100%,680px)}.tg-fdp h1,.tg-fdp h2,.tg-fdp h3,.tg-fdp p,.tg-fdp ol,.tg-fdp ul{margin:0}.tg-fdp button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;padding:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.tg-fdp input{font:inherit;color:inherit}.tg-fdp code,.tg-fdp pre{font-family:var(--font-mono)}.tg-fdp img{display:block;max-width:100%}.tg-fdp :focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px}.tg-fdp .app-root{position:relative;min-height:100svh;min-height:100dvh;overflow-x:clip;background:radial-gradient(60rem 36rem at 12% -8%,rgba(99,102,241,.16),transparent 60%),radial-gradient(48rem 30rem at 105% 0%,rgba(245,158,11,.1),transparent 55%),radial-gradient(50rem 40rem at 50% 115%,rgba(34,197,94,.07),transparent 60%),var(--bg)}.tg-fdp .bg-decor{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.tg-fdp .bg-glyph{position:absolute;font-weight:800;font-size:22rem;line-height:1;color:#94a3b80a;-webkit-user-select:none;user-select:none}.tg-fdp .bg-glyph-1{top:-4rem;right:-5rem;transform:rotate(12deg)}.tg-fdp .bg-glyph-2{bottom:-6rem;left:-4rem;transform:rotate(-10deg)}.tg-fdp .bg-glyph-3{top:38%;left:62%;font-size:13rem;transform:rotate(-18deg);color:#94a3b808}.tg-fdp .screen{position:relative;z-index:1;width:min(100%,540px);margin-inline:auto;padding:calc(14px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}.tg-fdp .frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.02;font-family:var(--font-mono);font-weight:700;margin-inline:2px}.tg-fdp .frac-bar{display:block;width:100%;min-width:1.4em;height:2px;border-radius:2px;background:currentColor;margin:.08em 0}.tg-fdp .frac-n,.tg-fdp .frac-d{padding-inline:.22em}.tg-fdp .frac-lg{font-size:.94em}.tg-fdp .frac-md{font-size:.9em}.tg-fdp .frac-sm{font-size:.8em}.tg-fdp .card{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.tg-fdp .card-title{display:flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:12px}.tg-fdp .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;border-radius:14px;padding:12px 18px;border:1px solid transparent;transition:transform .08s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease,opacity .15s ease}.tg-fdp .btn:active:not(:disabled){transform:scale(.97)}.tg-fdp .btn:disabled{opacity:.45;cursor:not-allowed}.tg-fdp .btn-primary{background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;text-shadow:0 1px 2px rgba(0,0,0,.25);box-shadow:0 6px 18px -6px var(--primary-glow),inset 0 1px #ffffff40}.tg-fdp .btn-primary:hover:not(:disabled){filter:brightness(1.06)}.tg-fdp .btn-secondary{background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}.tg-fdp .btn-secondary:hover:not(:disabled){background:var(--surface-3)}.tg-fdp .btn-ghost{color:var(--text-dim);padding:8px 10px;border-radius:10px}.tg-fdp .btn-ghost:hover{color:var(--text);background:#94a3b814}.tg-fdp .btn-block{width:100%}.tg-fdp .icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);transition:color .15s ease,background-color .15s ease,transform .08s ease}.tg-fdp .icon-btn:hover{color:var(--text);background:var(--surface-3)}.tg-fdp .icon-btn:active{transform:scale(.94)}.tg-fdp .icon-btn-sm{width:34px;height:34px;border-radius:10px}.tg-fdp .scores-mode{margin-left:auto;text-transform:none;letter-spacing:.01em;font-size:.72rem;font-weight:700;color:var(--brand-bright);background:#f59e0b1f;border:1px solid rgba(245,158,11,.32);border-radius:999px;padding:3px 10px;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-fdp .exact-chip{align-self:center;font-family:var(--font-mono);font-size:.82rem;font-weight:800;letter-spacing:.06em;padding:3px 12px;border-radius:999px}.tg-fdp .exact-chip-eq{color:var(--accent-teach);background:#34d3991a;border:1px solid rgba(52,211,153,.35)}.tg-fdp .exact-chip-approx{color:var(--accent-decimal);background:#38bdf81a;border:1px solid rgba(56,189,248,.35)}.tg-fdp .exact-chip-sm{align-self:auto;padding:2px 9px;font-size:.78rem}.tg-fdp .score-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.tg-fdp .score-row{display:grid;grid-template-columns:28px 56px 1fr auto;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border)}.tg-fdp .score-row-new{border-color:var(--brand);box-shadow:0 0 0 1px #f59e0b59}.tg-fdp .score-rank{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:var(--surface-3);color:var(--text-dim)}.tg-fdp .score-rank-1{background:linear-gradient(180deg,#fcd34d,#d97706);color:#3b2403}.tg-fdp .score-rank-2{background:linear-gradient(180deg,#e2e8f0,#94a3b8);color:#1e293b}.tg-fdp .score-rank-3{background:linear-gradient(180deg,#fdba74,#c2540a);color:#431d05}.tg-fdp .score-initials{font-family:var(--font-mono);font-weight:700;letter-spacing:.14em}.tg-fdp .score-title{color:var(--text-dim);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-fdp .score-value{font-family:var(--font-mono);font-weight:800;font-size:1.05rem;color:var(--brand-bright)}.tg-fdp .scores-empty{color:var(--text-faint);font-size:1rem}.tg-fdp .lm-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;background:#070b14f0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);overflow-y:auto;border-radius:inherit;display:flex;flex-direction:column}.tg-fdp .lm-countbar{position:sticky;top:0;height:5px;background:#94a3b826;flex-shrink:0}.tg-fdp .lm-countbar-fill{height:100%;background:linear-gradient(90deg,var(--brand-bright),var(--brand));animation:lm-drain-tg-fdp linear forwards;transform-origin:left}@keyframes lm-drain-tg-fdp{0%{width:100%}to{width:0%}}.tg-fdp .lm-body{padding:14px 18px calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:12px;max-width:480px;width:100%;margin-inline:auto}.tg-fdp .lm-eyebrow{text-align:center;font-size:.84rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-fdp .lm-eyebrow-wrong{color:var(--danger)}.tg-fdp .lm-eyebrow-skipped{color:var(--brand-bright)}.tg-fdp .lm-prompt{text-align:center;font-size:clamp(1.3rem,5.4vw,1.55rem);font-weight:700;line-height:1.3}.tg-fdp .lm-answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tg-fdp .lm-answers-single{grid-template-columns:1fr}.tg-fdp .lm-answer{border-radius:var(--radius-sm);padding:11px 10px;text-align:center;display:flex;flex-direction:column;gap:2px}.tg-fdp .lm-answer-wrong{background:#f8717114;border:1px solid rgba(248,113,113,.35)}.tg-fdp .lm-answer-right{background:#22c55e14;border:1px solid rgba(34,197,94,.35)}.tg-fdp .lm-answer-label{font-size:.9rem;color:var(--text-dim)}.tg-fdp .lm-answer-value{font-family:var(--font-mono);font-weight:800;font-size:1.5rem}.tg-fdp .lm-answer-wrong .lm-answer-value{color:var(--danger);text-decoration:line-through}.tg-fdp .lm-answer-right .lm-answer-value{color:var(--primary)}.tg-fdp .lm-unreduced{text-align:center;font-size:1rem;color:var(--brand-bright);background:#f59e0b1a;border:1px solid rgba(245,158,11,.35);border-radius:var(--radius-sm);padding:8px 12px}.tg-fdp .lm-method{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}.tg-fdp .lm-tool{font-weight:700;color:var(--brand-bright);font-size:1.08rem;text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:8px}.tg-fdp .lm-tool-tag{font-size:.8rem;font-weight:800;letter-spacing:.1em;padding:3px 8px;border-radius:6px;background:#f59e0b26;border:1px solid rgba(245,158,11,.4);color:var(--brand-bright)}.tg-fdp .lm-tool-note{color:var(--text-dim);font-size:1rem;line-height:1.45;margin-top:5px;padding-bottom:10px;border-bottom:1px solid var(--border)}.tg-fdp .lm-steps{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px;margin-top:11px}.tg-fdp .lm-step{display:flex;gap:13px;align-items:baseline}.tg-fdp .lm-step-num{flex-shrink:0;font-size:.88rem;font-weight:700;color:var(--text-dim);background:var(--surface-3);border-radius:7px;padding:2px 7px;white-space:nowrap}.tg-fdp .lm-step-body{display:flex;flex-direction:column;gap:1px}.tg-fdp .lm-step-label{font-size:1.02rem;line-height:1.35;color:var(--text)}.tg-fdp .lm-step-expr{color:var(--accent-teach);font-size:1.1rem;line-height:1.4;font-weight:600}.tg-fdp .lm-cue{text-align:center;font-size:1.02rem;line-height:1.45;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px}.tg-fdp .lm-cue strong{color:var(--brand-bright)}.tg-fdp .lm-countdown{text-align:center;color:var(--text-faint);font-size:1rem}.tg-fdp .combo-pop{position:absolute;top:22%;left:50%;z-index:25;pointer-events:none;font-size:2rem;font-weight:800;white-space:nowrap;background:linear-gradient(180deg,#fde68a,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 2px 10px rgba(245,158,11,.45));animation:combo-pop-tg-fdp 1.2s cubic-bezier(.18,.9,.32,1.2) forwards}@keyframes combo-pop-tg-fdp{0%{transform:translate(-50%,12px) scale(.6);opacity:0}18%{transform:translate(-50%) scale(1.08);opacity:1}70%{transform:translate(-50%,-6px) scale(1);opacity:1}to{transform:translate(-50%,-22px) scale(.96);opacity:0}}.tg-fdp .help-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#04070ed1;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:20px}.tg-fdp .help-modal{width:min(100%,420px);max-height:90dvh;overflow-y:auto;background:var(--surface);border:1px solid var(--border-strong);border-radius:22px;padding:22px 20px;display:flex;flex-direction:column;gap:14px;animation:help-in-tg-fdp .25s cubic-bezier(.18,.9,.32,1.2)}@keyframes help-in-tg-fdp{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.tg-fdp .help-eyebrow{text-align:center;font-size:.95rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-bright)}.tg-fdp .help-block{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;font-size:1rem;line-height:1.5;display:flex;flex-direction:column;gap:5px}.tg-fdp .help-block-title{font-weight:700;color:var(--text-dim);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}.tg-fdp .help-sym{display:inline-block;min-width:1.2em;font-family:var(--font-mono);font-weight:800;color:var(--brand-bright)}.tg-fdp .help-list{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px}.tg-fdp .qr-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#04070eb3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:16px}@media(min-width:600px){.tg-fdp .qr-backdrop{align-items:center}}.tg-fdp .qr-modal{width:min(100%,560px);max-height:calc(var(--vvh, 100dvh) - 48px);background:var(--bg);border:1px solid var(--border-strong);border-radius:22px;display:flex;flex-direction:column;overflow:hidden}.tg-fdp .qr-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:16px 18px 12px;border-bottom:1px solid var(--border)}.tg-fdp .qr-title{font-size:1.45rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-bright)}.tg-fdp .qr-body{flex:1;min-height:0;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:18px}.tg-fdp .qr-footer{flex-shrink:0;padding:12px 18px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--bg)}.tg-fdp .qr-section-title{font-size:1rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:11px}.tg-fdp .qr-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;display:flex;flex-direction:column;gap:11px;font-size:1.06rem;line-height:1.5}.tg-fdp .qr-box hr{border:none;border-top:1px solid var(--border);margin:4px 0;width:100%}.tg-fdp .qr-q{font-weight:600;font-size:1.1rem}.tg-fdp .qr-work{margin:0;white-space:pre-wrap;color:var(--accent-teach);font-size:1.05rem;line-height:1.7}.tg-fdp .qr-work .qr-arrow{color:var(--text);font-weight:800;padding-inline:.22em}.tg-fdp .qr-muted{color:var(--text-dim);font-size:1.0625rem;line-height:1.55}.tg-fdp .qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-fdp .qr-grid-triple .qr-fact{flex-wrap:nowrap;white-space:nowrap}@media(max-width:480px){.tg-fdp .qr-grid-triple{grid-template-columns:1fr}}.tg-fdp .qr-fact{background:var(--surface);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-sm);padding:12px 13px;font-family:var(--font-mono);font-size:1.05rem;display:flex;flex-wrap:wrap;align-items:baseline;gap:5px}.tg-fdp .qr-fact-frac{color:var(--brand-bright);font-weight:800}.tg-fdp .qr-fact-note{width:100%;font-family:var(--font-ui);font-size:1rem;color:var(--text-dim)}.tg-fdp .home-top{display:flex;align-items:center;justify-content:space-between}.tg-fdp .home-top-spacer{width:42px}.tg-fdp .home-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:-10px}.tg-fdp .brand{font-size:clamp(1.9rem,8vw,2.7rem);font-weight:800;letter-spacing:-.01em;line-height:1.08;background:linear-gradient(180deg,#fde68a 0%,var(--brand-bright) 45%,#ea7c0b 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 3px 16px rgba(245,158,11,.22));text-wrap:balance}.tg-fdp .brand-sub{font-size:1.125rem;line-height:1.4;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);margin-left:.18em}.tg-fdp .streak-pill{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:6px 14px;border-radius:999px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.35);color:var(--brand-bright);font-weight:600;font-size:.88rem}.tg-fdp .streak-pill em{font-style:normal;font-weight:500;color:var(--text-dim)}.tg-fdp .streak-pill-empty{background:var(--surface-2);border-color:var(--border);color:var(--text-dim)}.tg-fdp .pack-list{display:flex;flex-direction:column;gap:10px}.tg-fdp .pack-chip{position:relative;display:flex;align-items:flex-start;gap:12px;text-align:left;padding:13px 14px;border-radius:14px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .08s ease}.tg-fdp .pack-chip:active{transform:scale(.985)}.tg-fdp .pack-chip-foundation{--pack-accent: var(--accent-percent)}.tg-fdp .pack-chip-core{--pack-accent: var(--accent-fraction)}.tg-fdp .pack-chip-on{color:var(--text);border-color:color-mix(in srgb,var(--pack-accent) 65%,transparent);background:color-mix(in srgb,var(--pack-accent) 10%,var(--surface-2));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--pack-accent) 30%,transparent)}.tg-fdp .pack-check{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;margin-top:2px;border-radius:6px;border:1.5px solid var(--border-strong);background:transparent;color:#08101f;flex-shrink:0}.tg-fdp .pack-chip-on .pack-check{background:var(--pack-accent);border-color:var(--pack-accent)}.tg-fdp .pack-body{display:flex;flex-direction:column;gap:2px;min-width:0}.tg-fdp .pack-title{font-weight:800;font-size:1.05rem;color:var(--text)}.tg-fdp .pack-chip:not(.pack-chip-on) .pack-title{color:var(--text-dim)}.tg-fdp .pack-line{font-size:1rem;line-height:1.35;color:var(--text-dim)}.tg-fdp .pack-note{margin-top:4px;font-size:1rem;font-style:italic;color:var(--text-faint)}.tg-fdp .pack-chip-on .pack-note{color:color-mix(in srgb,var(--pack-accent) 75%,var(--text-dim))}.tg-fdp .packs-note{margin-top:12px;text-align:center;font-size:1rem;color:var(--text-dim)}.tg-fdp .packs-note-warn{color:var(--danger);font-weight:600}.tg-fdp .home-actions{display:flex;flex-direction:column;gap:10px}.tg-fdp .round-rules{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;display:flex;flex-direction:column;gap:3px}.tg-fdp .round-rules-title{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.tg-fdp .round-rules-line{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--text-dim)}.tg-fdp .rules-help-link{align-self:center;background:none;border:none;padding:2px 6px;font-size:1rem;color:var(--text-faint);text-decoration:underline;text-underline-offset:3px;cursor:pointer}.tg-fdp .rules-help-link:hover{color:var(--text-dim)}.tg-fdp .btn-play{position:relative;font-size:1.35rem;padding:16px 20px;border-radius:18px;letter-spacing:.02em}.tg-fdp .btn-play:not(:disabled){box-shadow:0 10px 30px -8px var(--primary-glow),0 0 0 1px #22c55e40,inset 0 1px #ffffff47}.tg-fdp .home-actions-row,.tg-fdp .go-actions-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-fdp .home-actions-row .btn{font-size:.95rem;padding:12px 10px}.tg-fdp .game-screen{position:fixed;top:var(--vvt, 0px);left:0;right:0;height:var(--vvh, 100dvh);width:min(100%,560px);margin-inline:auto;padding:calc(8px + env(safe-area-inset-top)) 12px calc(10px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;overflow:hidden;z-index:1}.tg-fdp .game-header{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}.tg-fdp .game-stat{display:flex;flex-direction:column;align-items:center;line-height:1;min-width:60px}.tg-fdp .stat-value{font-family:var(--font-mono);font-size:2.3rem;font-weight:800;color:var(--brand-bright);text-shadow:0 2px 14px rgba(245,158,11,.4)}.tg-fdp .stat-label{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-top:3px}.tg-fdp .game-center{display:flex;flex-direction:column;align-items:center;gap:2px}.tg-fdp .timer{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;letter-spacing:.02em;padding:1px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border-strong);line-height:1.12}.tg-fdp .timer-urgent{color:#fecaca;background:#b91c1c38;border-color:#f8717199;animation:timer-pulse-tg-fdp 1s ease-in-out infinite}@keyframes timer-pulse-tg-fdp{0%,to{box-shadow:0 0 #f8717166}50%{box-shadow:0 0 0 5px #f8717100}}.tg-fdp 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.answer-submit{width:54px;min-height:46px}.tg-fdp .game-screen.compact .frac-input{width:92px;font-size:1.3rem;padding:6px 8px}.tg-fdp .game-screen.compact .frac-vinculum{width:110px;height:2px}.tg-fdp .game-screen.compact .frac-fields{gap:5px}.tg-fdp .game-screen.compact .frac-submit{width:50px;min-height:50px}.tg-fdp .game-screen.compact .btn-skip{font-size:.78rem;padding:6px 13px}.tg-fdp .go-header{text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px}.tg-fdp .go-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-fdp .go-score{font-family:var(--font-mono);font-size:4.4rem;font-weight:800;line-height:1;background:linear-gradient(180deg,#fde68a,var(--brand-bright) 50%,#ea7c0b);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 18px rgba(245,158,11,.25))}.tg-fdp .go-milestone{font-size:1.25rem;font-weight:800}.tg-fdp .go-newbest{color:var(--primary);font-weight:700;animation:newbest-pop-tg-fdp .5s cubic-bezier(.18,.9,.32,1.4)}@keyframes newbest-pop-tg-fdp{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.tg-fdp .go-stats{display:flex;flex-direction:column;gap:12px}.tg-fdp .go-stat-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.tg-fdp .go-stat-cell{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 6px}.tg-fdp .go-stat-value{font-family:var(--font-mono);font-size:1.5rem;font-weight:800;color:var(--accent-teach)}.tg-fdp .go-stat-label{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.tg-fdp .go-progress-row{display:flex;justify-content:space-between;font-size:.82rem;color:var(--text-dim);font-weight:600}.tg-fdp 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.btn-block{font-size:1.15rem;padding:14px}.tg-fdp .go-actions-row .btn{font-size:.86rem;padding:11px 8px}.tg-fdp .subpage-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.tg-fdp .subpage-title{font-size:1.25rem;font-weight:800;text-align:center;flex:1}.tg-fdp .subpage-counter{min-width:42px;text-align:center;font-family:var(--font-mono);font-weight:700;color:var(--text-dim)}.tg-fdp .review-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:18px}.tg-fdp .review-card{display:flex;flex-direction:column;gap:16px;padding:18px 15px;border-left:3px solid var(--border-strong)}.tg-fdp .review-card.review-wrong{border-left-color:var(--danger)}.tg-fdp .review-card.review-correct{border-left-color:var(--primary)}.tg-fdp .review-card.review-skipped{border-left-color:var(--brand)}.tg-fdp .review-card-head{display:flex;flex-direction:column;gap:10px;min-width:0}.tg-fdp .review-badges{display:flex;align-items:center;gap:8px}.tg-fdp .review-badge{align-self:flex-start;font-size:.84rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:4px 11px;border-radius:7px}.tg-fdp .badge-correct{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-fdp .badge-wrong{background:#f871711f;color:var(--danger);border:1px solid rgba(248,113,113,.4)}.tg-fdp .badge-skipped{background:#f59e0b1f;color:var(--brand-bright);border:1px solid rgba(245,158,11,.4)}.tg-fdp .badge-timedout{background:#38bdf81f;color:var(--accent-decimal);border:1px solid rgba(56,189,248,.4)}.tg-fdp .review-prompt{font-weight:600;font-size:clamp(1.35rem,5.4vw,1.6rem);line-height:1.34}.tg-fdp .review-index{color:var(--text-faint);font-family:var(--font-mono);font-size:1rem}.tg-fdp .review-answers{display:flex;gap:10px 22px;flex-wrap:wrap;font-family:var(--font-mono);font-weight:700;font-size:1.3rem}.tg-fdp .review-ans-wrong{color:var(--danger);text-decoration:line-through}.tg-fdp .review-ans-right{color:var(--primary)}.tg-fdp .review-ans-skipped{color:var(--brand-bright);font-size:1.05rem;font-family:var(--font-ui);font-weight:600}.tg-fdp .review-unreduced{font-size:1rem;color:var(--brand-bright);background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-sm);padding:8px 12px}.tg-fdp .review-method{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-fdp .review-method summary{cursor:pointer;font-weight:700;color:var(--brand-bright);font-size:1.12rem;display:flex;align-items:center;gap:9px;list-style:none}.tg-fdp .review-method summary::-webkit-details-marker{display:none}.tg-fdp .review-method summary:after{content:"";margin-left:auto;flex-shrink:0;width:1.05em;height:1.05em;background-color:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' 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.review-helper{text-align:center;color:var(--text-faint);font-size:1rem;margin-top:-6px}.tg-fdp .hub-list{display:flex;flex-direction:column;gap:12px}.tg-fdp .hub-card{display:flex;align-items:center;gap:13px;text-align:left;cursor:pointer}.tg-fdp .hub-card:disabled{opacity:.45;cursor:default}.tg-fdp .hub-card-emoji{font-size:1.5rem}.tg-fdp .hub-card-body{flex:1;display:flex;flex-direction:column;gap:3px}.tg-fdp .hub-card-title{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:1.05rem}.tg-fdp .hub-card-sub{color:var(--text-dim);font-size:.9rem;line-height:1.4}.tg-fdp .hub-card-sprint .hub-card-title{color:var(--primary)}.tg-fdp .hub-sprint-note{text-align:center;color:var(--text-faint);font-size:.85rem;padding:4px 10px}.tg-fdp .guided-card{display:flex;flex-direction:column;gap:14px}.tg-fdp .guided-card-top{display:flex;align-items:center;justify-content:space-between}.tg-fdp .guided-misscount{font-size:.8rem;color:var(--text-faint);font-family:var(--font-mono)}.tg-fdp .guided-assist{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 13px;font-size:1rem;line-height:1.45}.tg-fdp .guided-assist-label{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:3px}.tg-fdp .guided-assist code{font-family:var(--font-mono);color:var(--accent-teach)}.tg-fdp .guided-feedback-main{font-weight:700;font-size:1.02rem}.tg-fdp .guided-feedback-right .guided-feedback-main{color:var(--accent-teach)}.tg-fdp .guided-feedback-sub{color:var(--text-dim);font-size:.92rem;margin-top:3px}.tg-fdp .guided-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.tg-fdp .guided-done{text-align:center;gap:10px}.tg-fdp .guided-done-title{font-size:1.15rem;font-weight:800}.tg-fdp .guided-done-sub{color:var(--text-dim);font-size:.92rem}.tg-fdp .sprint-over-eyebrow{font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-bright)}.tg-fdp .sprint-tag{text-transform:uppercase;letter-spacing:.08em;font-size:.68rem;color:var(--text-faint)}@media(max-width:380px){.tg-fdp .review-card{padding:16px 12px}.tg-fdp .review-method{padding:14px 12px}}@media(min-width:600px){.tg-fdp .review-card{padding:20px}.tg-fdp .review-method{padding:16px 18px}}.tg-fdp .review-back{margin-top:4px}.tg-fdp .learn-sub{text-align:center;color:var(--text-dim);font-size:1.05rem}.tg-fdp .learn-sub strong{color:var(--text)}.tg-fdp .lesson-list{display:flex;flex-direction:column;gap:12px}.tg-fdp .lesson-card{display:flex;align-items:center;gap:14px;text-align:left;width:100%;transition:border-color .15s ease,transform .08s ease,background-color .15s ease}.tg-fdp .lesson-card:hover{border-color:color-mix(in srgb,var(--lesson-accent) 55%,transparent)}.tg-fdp .lesson-card:active{transform:scale(.985)}.tg-fdp .lesson-emoji{font-size:1.7rem;flex-shrink:0;width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:14px}.tg-fdp .lesson-body{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.tg-fdp .lesson-title{font-weight:800;font-size:1.18rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tg-fdp .lesson-done{font-size:.82rem;font-weight:700;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);padding:1px 7px;border-radius:999px}.tg-fdp .lesson-blurb{color:var(--text-dim);font-size:1rem;line-height:1.4}.tg-fdp .lesson-stages{display:flex;align-items:center;gap:5px;margin-top:4px}.tg-fdp .lesson-stage-dot{width:7px;height:7px;border-radius:50%;background:var(--surface-3);border:1px solid var(--border-strong)}.tg-fdp .lesson-stage-dot.on{background:var(--lesson-accent);border-color:var(--lesson-accent)}.tg-fdp .lesson-stage-count{font-size:.85rem;color:var(--text-faint);font-family:var(--font-mono);margin-left:3px}.tg-fdp .lesson-arrow{color:var(--text-faint);font-size:1.45rem;flex-shrink:0}.tg-fdp .learn-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}.tg-fdp .lesson-progress{display:flex;gap:6px;flex:1;justify-content:center}.tg-fdp .lesson-progress-seg{width:34px;height:7px;border-radius:999px;background:var(--surface-3);transition:background-color .2s ease}.tg-fdp .lesson-progress-seg.current{background:var(--brand)}.tg-fdp .lesson-progress-seg.done{background:var(--primary)}.tg-fdp .lesson-progress-seg.current.done{background:linear-gradient(90deg,var(--primary),var(--brand))}.tg-fdp .lesson-head{display:flex;align-items:center;gap:14px}.tg-fdp .lesson-emoji-lg{font-size:2rem;width:56px;height:56px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:16px}.tg-fdp .lesson-screen-title{font-size:1.55rem;font-weight:800;color:var(--lesson-accent)}.tg-fdp .lesson-formula{color:var(--text-dim);font-size:1.02rem;line-height:1.4}.tg-fdp .lesson-stage-card{display:flex;flex-direction:column;gap:12px}.tg-fdp .stage-badge{align-self:flex-start;font-size:.92rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 13px;border-radius:999px}.tg-fdp .badge-ido{background:#f59e0b1f;color:var(--brand-bright);border:1px solid rgba(245,158,11,.4)}.tg-fdp .badge-wedo{background:#38bdf81f;color:var(--accent-decimal);border:1px solid rgba(56,189,248,.4)}.tg-fdp .badge-youdo{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-fdp .badge-flash{background:#a78bfa1f;color:var(--accent-fraction);border:1px solid rgba(167,139,250,.4)}.tg-fdp .lesson-tool{color:var(--text-dim);font-size:1.1rem}.tg-fdp .lesson-tool strong{color:var(--accent-teach);text-transform:uppercase;letter-spacing:.04em}.tg-fdp .lesson-prompt{font-size:clamp(1.35rem,5.2vw,1.6rem);font-weight:600;line-height:1.34;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-fdp .lesson-ido-step{padding:4px 2px;animation:step-in-tg-fdp .25s ease}@keyframes step-in-tg-fdp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.tg-fdp .lesson-ido-answer{display:flex;flex-direction:column;align-items:center;gap:2px;background:#22c55e14;border:1px solid rgba(34,197,94,.35);border-radius:var(--radius-sm);padding:12px;animation:step-in-tg-fdp .25s ease}.tg-fdp .lesson-ido-answer span{font-size:.9rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim)}.tg-fdp .lesson-ido-answer strong{font-family:var(--font-mono);font-size:2rem;color:var(--primary)}.tg-fdp .lesson-feedback{font-weight:600;font-size:1.12rem;line-height:1.4}.tg-fdp .lesson-feedback-wrong{color:var(--danger)}.tg-fdp .lesson-feedback-right{color:var(--primary)}.tg-fdp .lesson-hints{display:flex;flex-direction:column;gap:10px;padding-left:22px;color:var(--text-dim);font-size:1.05rem;line-height:1.45}.tg-fdp .lesson-hints li::marker{color:var(--brand-bright);font-weight:700}.tg-fdp .lesson-stage-actions{display:flex;gap:10px;justify-content:flex-end}.tg-fdp .flash-options{display:flex;flex-direction:column;gap:9px}.tg-fdp .flash-option{text-align:left;padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:1.12rem;line-height:1.4;transition:border-color .15s ease,background-color .15s ease}.tg-fdp .flash-option:hover:not(:disabled){border-color:var(--border-strong)}.tg-fdp .flash-option.flash-right{border-color:#22c55e99;background:#22c55e1a}.tg-fdp .flash-option.picked.flash-wrong{border-color:#f8717199;background:#f8717114}.tg-fdp .home-screen{width:min(100%,680px)}.tg-mm h1,.tg-mm h2,.tg-mm h3,.tg-mm p,.tg-mm ol,.tg-mm ul{margin:0}.tg-mm button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;padding:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.tg-mm input{font:inherit;color:inherit}.tg-mm code,.tg-mm pre{font-family:var(--font-mono)}.tg-mm img{display:block;max-width:100%}.tg-mm :focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px}.tg-mm .app-root{position:relative;min-height:100svh;min-height:100dvh;overflow-x:clip;background:radial-gradient(60rem 36rem at 12% -8%,rgba(99,102,241,.16),transparent 60%),radial-gradient(48rem 30rem at 105% 0%,rgba(245,158,11,.1),transparent 55%),radial-gradient(50rem 40rem at 50% 115%,rgba(34,197,94,.07),transparent 60%),var(--bg)}.tg-mm .bg-decor{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.tg-mm .bg-glyph{position:absolute;font-weight:800;font-size:22rem;line-height:1;color:#94a3b80a;-webkit-user-select:none;user-select:none}.tg-mm .bg-glyph-1{top:-4rem;right:-5rem;transform:rotate(12deg)}.tg-mm .bg-glyph-2{bottom:-6rem;left:-4rem;transform:rotate(-10deg)}.tg-mm .bg-glyph-3{top:38%;left:62%;font-size:13rem;transform:rotate(-18deg);color:#94a3b808}.tg-mm .screen{position:relative;z-index:1;width:min(100%,540px);margin-inline:auto;padding:calc(14px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}.tg-mm .card{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.tg-mm .card-title{display:flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:12px}.tg-mm .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;border-radius:14px;padding:12px 18px;border:1px solid transparent;transition:transform .08s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease,opacity .15s ease}.tg-mm .btn:active:not(:disabled){transform:scale(.97)}.tg-mm .btn:disabled{opacity:.45;cursor:not-allowed}.tg-mm .btn-primary{background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;text-shadow:0 1px 2px rgba(0,0,0,.25);box-shadow:0 6px 18px -6px var(--primary-glow),inset 0 1px #ffffff40}.tg-mm .btn-primary:hover:not(:disabled){filter:brightness(1.06)}.tg-mm .btn-secondary{background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}.tg-mm .btn-secondary:hover:not(:disabled){background:var(--surface-3)}.tg-mm .btn-ghost{color:var(--text-dim);padding:8px 10px;border-radius:10px}.tg-mm .btn-ghost:hover{color:var(--text);background:#94a3b814}.tg-mm .btn-block{width:100%}.tg-mm .icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);transition:color .15s ease,background-color .15s ease,transform .08s ease}.tg-mm .icon-btn:hover{color:var(--text);background:var(--surface-3)}.tg-mm .icon-btn:active{transform:scale(.94)}.tg-mm .icon-btn-sm{width:34px;height:34px;border-radius:10px}.tg-mm .scores-mode{margin-left:auto;text-transform:none;letter-spacing:.01em;font-size:.72rem;font-weight:700;color:var(--brand-bright);background:#f59e0b1f;border:1px solid rgba(245,158,11,.32);border-radius:999px;padding:3px 10px;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-mm .score-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.tg-mm .score-row{display:grid;grid-template-columns:28px 56px 1fr auto;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border)}.tg-mm .score-row-new{border-color:var(--brand);box-shadow:0 0 0 1px #f59e0b59}.tg-mm .score-rank{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:var(--surface-3);color:var(--text-dim)}.tg-mm .score-rank-1{background:linear-gradient(180deg,#fcd34d,#d97706);color:#3b2403}.tg-mm .score-rank-2{background:linear-gradient(180deg,#e2e8f0,#94a3b8);color:#1e293b}.tg-mm .score-rank-3{background:linear-gradient(180deg,#fdba74,#c2540a);color:#431d05}.tg-mm .score-initials{font-family:var(--font-mono);font-weight:700;letter-spacing:.14em}.tg-mm .score-title{color:var(--text-dim);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-mm .score-value{font-family:var(--font-mono);font-weight:800;font-size:1.05rem;color:var(--brand-bright)}.tg-mm .scores-empty{color:var(--text-faint);font-size:1rem}.tg-mm .lm-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;background:#070b14f0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);overflow-y:auto;border-radius:inherit;display:flex;flex-direction:column}.tg-mm .lm-countbar{position:sticky;top:0;height:5px;background:#94a3b826;flex-shrink:0}.tg-mm .lm-countbar-fill{height:100%;background:linear-gradient(90deg,var(--brand-bright),var(--brand));animation:lm-drain-tg-mm linear forwards;transform-origin:left}@keyframes lm-drain-tg-mm{0%{width:100%}to{width:0%}}.tg-mm .lm-body{padding:16px 18px calc(18px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px;max-width:480px;width:100%;margin-inline:auto}.tg-mm .lm-eyebrow{text-align:center;font-size:.84rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-mm .lm-prompt{text-align:center;font-size:clamp(1.55rem,6.2vw,1.85rem);font-weight:700;line-height:1.3}.tg-mm .lm-answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tg-mm .lm-answer{border-radius:var(--radius-sm);padding:13px 10px;text-align:center;display:flex;flex-direction:column;gap:2px}.tg-mm .lm-answer-wrong{background:#f8717114;border:1px solid rgba(248,113,113,.35)}.tg-mm .lm-answer-right{background:#22c55e14;border:1px solid rgba(34,197,94,.35)}.tg-mm .lm-answer-label{font-size:.95rem;color:var(--text-dim)}.tg-mm .lm-answer-value{font-family:var(--font-mono);font-weight:800;font-size:1.7rem}.tg-mm .lm-answer-wrong .lm-answer-value{color:var(--danger);text-decoration:line-through}.tg-mm .lm-answer-right .lm-answer-value{color:var(--primary)}.tg-mm .lm-method{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-mm .lm-tool{font-weight:700;color:var(--brand-bright);font-size:1.18rem;text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:8px}.tg-mm .lm-tool-tag{font-size:.82rem;font-weight:800;letter-spacing:.1em;padding:3px 8px;border-radius:6px;background:#f59e0b26;border:1px solid rgba(245,158,11,.4);color:var(--brand-bright)}.tg-mm .lm-tool-note{color:var(--text-dim);font-size:1.1rem;line-height:1.5;margin-top:6px;padding-bottom:12px;border-bottom:1px solid var(--border)}.tg-mm .lm-steps{list-style:none;padding:0;display:flex;flex-direction:column;gap:14px;margin-top:14px}.tg-mm .lm-step{display:flex;gap:13px;align-items:baseline}.tg-mm .lm-step-num{flex-shrink:0;font-size:.92rem;font-weight:700;color:var(--text-dim);background:var(--surface-3);border-radius:7px;padding:2px 7px;white-space:nowrap}.tg-mm .lm-step-body{display:flex;flex-direction:column;gap:1px}.tg-mm .lm-step-label{font-size:1.1rem;line-height:1.4;color:var(--text)}.tg-mm .lm-step-expr{color:var(--accent-change);font-size:1.2rem;line-height:1.45;font-weight:600}.tg-mm .lm-countdown{text-align:center;color:var(--text-faint);font-size:1.05rem}.tg-mm .combo-pop{position:absolute;top:22%;left:50%;z-index:25;pointer-events:none;font-size:2rem;font-weight:800;white-space:nowrap;background:linear-gradient(180deg,#fde68a,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 2px 10px rgba(245,158,11,.45));animation:combo-pop-tg-mm 1.2s cubic-bezier(.18,.9,.32,1.2) forwards}@keyframes combo-pop-tg-mm{0%{transform:translate(-50%,12px) scale(.6);opacity:0}18%{transform:translate(-50%) scale(1.08);opacity:1}70%{transform:translate(-50%,-6px) scale(1);opacity:1}to{transform:translate(-50%,-22px) scale(.96);opacity:0}}.tg-mm .qr-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#04070eb3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:16px}@media(min-width:600px){.tg-mm .qr-backdrop{align-items:center}}.tg-mm .qr-modal{width:min(100%,560px);max-height:calc(var(--vvh, 100dvh) - 48px);overflow-y:auto;background:var(--bg);border:1px solid var(--border-strong);border-radius:22px;padding:18px 18px calc(18px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}.tg-mm .qr-header{display:flex;align-items:center;justify-content:space-between;position:sticky;top:-18px;margin:-18px -18px 0;padding:18px;background:linear-gradient(180deg,var(--bg) 75%,transparent);z-index:2}.tg-mm .qr-title{font-size:1.55rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-bright)}.tg-mm .qr-section-title{font-size:1.02rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:11px}.tg-mm .qr-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;display:flex;flex-direction:column;gap:11px;font-size:1.1rem;line-height:1.5}.tg-mm .qr-box hr{border:none;border-top:1px solid var(--border);margin:4px 0;width:100%}.tg-mm .qr-q{font-weight:600;font-size:1.15rem}.tg-mm .qr-work{margin:0;white-space:pre-wrap;color:var(--accent-change);font-size:1.08rem;line-height:1.7}.tg-mm .qr-work .qr-arrow{color:var(--text);font-weight:800;padding-inline:.22em}.tg-mm .qr-good{color:var(--accent-change);font-weight:600}.tg-mm .qr-muted{color:var(--text-dim);font-size:1.0625rem;line-height:1.55}.tg-mm .qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-mm .qr-frac{background:var(--surface);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-sm);padding:12px 13px;font-family:var(--font-mono);font-size:1.15rem;display:flex;flex-wrap:wrap;align-items:baseline;gap:5px}.tg-mm .qr-frac-fifth{border-color:#a78bfa59}.tg-mm .qr-frac-rate{color:var(--brand-bright);font-weight:800}.tg-mm .qr-frac-fifth .qr-frac-rate{color:var(--accent-of)}.tg-mm .qr-frac-note{width:100%;font-family:var(--font-ui);font-size:1rem;color:var(--text-dim)}.tg-mm .qr-grid-divider{text-align:center;font-size:.9rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-of);margin:12px 0}.tg-mm .qr-types{gap:10px}.tg-mm .qr-type-row{display:grid;grid-template-columns:128px 1fr;gap:12px;align-items:baseline;font-size:1.08rem;color:var(--text-dim)}.tg-mm .qr-type{font-weight:700;font-size:1.1rem}.tg-mm .qr-type-increase{color:var(--accent-increase)}.tg-mm .qr-type-decrease{color:var(--accent-decrease)}.tg-mm .qr-type-of{color:var(--accent-of)}.tg-mm .qr-type-change{color:var(--accent-change)}.tg-mm .qr-done{position:sticky;bottom:0;z-index:1}.tg-mm .qr-done:before{content:"";position:absolute;left:-18px;right:-18px;bottom:100%;height:18px;background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none}.tg-mm .home-top{display:flex;align-items:center;justify-content:space-between}.tg-mm .home-top-spacer{width:42px}.tg-mm .home-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:-10px}.tg-mm .brand{font-size:clamp(2.6rem,11vw,3.4rem);font-weight:800;letter-spacing:-.01em;line-height:1.05;background:linear-gradient(180deg,#fde68a 0%,var(--brand-bright) 45%,#ea7c0b 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 3px 16px rgba(245,158,11,.22))}.tg-mm .brand-sub{font-size:1.125rem;line-height:1.4;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);margin-left:.18em}.tg-mm .streak-pill{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:6px 14px;border-radius:999px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.35);color:var(--brand-bright);font-weight:600;font-size:.88rem}.tg-mm .streak-pill em{font-style:normal;font-weight:500;color:var(--text-dim)}.tg-mm .streak-pill-empty{background:var(--surface-2);border-color:var(--border);color:var(--text-dim)}.tg-mm .mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-mm .mode-chip{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 10px;border-radius:14px;background:var(--surface-2);border:1px solid var(--border);font-weight:700;font-size:.92rem;color:var(--text-dim);transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .08s ease}.tg-mm .mode-chip:active{transform:scale(.97)}.tg-mm .mode-chip-on{color:var(--text);border-color:color-mix(in srgb,var(--mode-accent) 65%,transparent);background:color-mix(in srgb,var(--mode-accent) 12%,var(--surface-2));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--mode-accent) 35%,transparent)}.tg-mm .mode-check{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:6px;border:1.5px solid var(--border-strong);background:transparent;color:#08101f;flex-shrink:0}.tg-mm .mode-chip-on .mode-check{background:var(--mode-accent);border-color:var(--mode-accent)}.tg-mm .modes-note{margin-top:12px;text-align:center;font-size:1rem;color:var(--text-dim)}.tg-mm .modes-note-warn{color:var(--danger);font-weight:600}.tg-mm .home-actions{display:flex;flex-direction:column;gap:10px}.tg-mm .btn-play{position:relative;flex-direction:row;flex-wrap:wrap;font-size:1.35rem;padding:16px 20px;border-radius:18px;letter-spacing:.02em}.tg-mm .btn-play:not(:disabled){box-shadow:0 10px 30px -8px var(--primary-glow),0 0 0 1px #22c55e40,inset 0 1px #ffffff47}.tg-mm .btn-play-sub{flex-basis:100%;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.85;margin-top:-2px}.tg-mm .home-actions-row,.tg-mm .go-actions-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-mm .home-actions-row .btn{font-size:.95rem;padding:12px 10px}.tg-mm .home-footer{text-align:center;color:var(--text-faint);font-size:1rem}.tg-mm .game-screen{position:fixed;top:var(--vvt, 0px);left:0;right:0;height:var(--vvh, 100dvh);width:min(100%,560px);margin-inline:auto;padding:calc(8px + env(safe-area-inset-top)) 12px calc(10px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;overflow:hidden;z-index:1}.tg-mm .game-header{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}.tg-mm .game-stat{display:flex;flex-direction:column;align-items:center;line-height:1;min-width:60px}.tg-mm .stat-value{font-family:var(--font-mono);font-size:2.3rem;font-weight:800;color:var(--brand-bright);text-shadow:0 2px 14px rgba(245,158,11,.4)}.tg-mm .stat-label{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-top:3px}.tg-mm .game-center{display:flex;flex-direction:column;align-items:center;gap:4px}.tg-mm .timer{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;letter-spacing:.02em;padding:1px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border-strong);line-height:1.12}.tg-mm .timer-urgent{color:#fecaca;background:#b91c1c38;border-color:#f8717199;animation:timer-pulse-tg-mm 1s ease-in-out infinite}@keyframes timer-pulse-tg-mm{0%,to{box-shadow:0 0 #f8717166}50%{box-shadow:0 0 0 5px #f8717100}}.tg-mm .lives{display:flex;gap:4px}.tg-mm .life{color:#fb7185;display:inline-flex}.tg-mm .life-lost{color:#94a3b840}.tg-mm .game-controls{display:flex;gap:6px}.tg-mm .game-card{position:relative;flex:0 1 auto;margin-block:auto;min-height:0;display:flex;flex-direction:column;gap:8px;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 35%),var(--surface);border:1px solid var(--border);border-radius:20px;padding:12px;transition:box-shadow .2s ease,border-color .2s ease}.tg-mm .flash-correct{border-color:#22c55eb3;box-shadow:0 0 0 2px #22c55e59,0 0 26px -4px var(--primary-glow)}.tg-mm .game-image{flex:none;width:100%;aspect-ratio:4 / 3;max-height:40vh;border-radius:14px;overflow:hidden;background:var(--surface-2)}.tg-mm .game-image img{width:100%;height:100%;object-fit:cover}.tg-mm .game-prompt{flex-shrink:0;text-align:center;font-size:clamp(1.5rem,6.2vw,1.85rem);font-weight:700;line-height:1.28;text-wrap:balance;padding-inline:4px}.tg-mm .prompt-task{color:var(--brand-bright);font-weight:800}.tg-mm .answer-form{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:10px}.tg-mm .answer-input{flex:1;min-width:0;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;padding:11px 14px;font-family:var(--font-mono);font-size:1.5rem;font-weight:700;text-align:center;color:var(--text);caret-color:var(--primary)}.tg-mm .answer-input::placeholder{color:var(--text-faint);font-weight:500}.tg-mm .answer-input:focus{outline:none;box-shadow:0 0 0 3px #22c55e38}.tg-mm .answer-control{display:flex;align-items:stretch;width:100%;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;overflow:hidden;transition:box-shadow .15s ease}.tg-mm .answer-control:focus-within{box-shadow:0 0 0 3px #22c55e38}.tg-mm .answer-affix{display:flex;align-items:center;font-family:var(--font-mono);font-size:1.45rem;font-weight:700;color:var(--text-dim);flex-shrink:0}.tg-mm .answer-affix-pre{padding-left:16px}.tg-mm .answer-affix-post{padding-right:4px}.tg-mm .answer-control .answer-input{border:none;background:transparent;border-radius:0;box-shadow:none;padding:12px 10px}.tg-mm .answer-submit{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:60px;min-height:52px;background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;border-left:1.5px solid rgba(8,13,26,.35);transition:filter .15s ease,opacity .15s ease,background-color .15s ease}.tg-mm .answer-submit:hover:not(:disabled){filter:brightness(1.08)}.tg-mm .answer-submit:active:not(:disabled){filter:brightness(.95)}.tg-mm .answer-submit:disabled{cursor:not-allowed;background:var(--surface-3);color:var(--text-faint);border-left-color:var(--border)}.tg-mm .game-screen.compact{gap:6px;padding-top:max(4px,env(safe-area-inset-top));padding-bottom:6px}.tg-mm .game-screen.compact .game-header{gap:8px}.tg-mm .game-screen.compact .stat-value{font-size:1.6rem}.tg-mm .game-screen.compact .stat-label{display:none}.tg-mm .game-screen.compact .game-center{flex-direction:row;gap:8px;align-items:center}.tg-mm .game-screen.compact .timer{font-size:1.55rem;padding:1px 11px;line-height:1.1}.tg-mm .game-screen.compact .game-card{flex:1;margin-block:0;padding:8px;gap:6px}.tg-mm .game-screen.compact .game-image{flex:1 1 auto;aspect-ratio:auto;min-height:56px;max-height:none;background:transparent}.tg-mm .game-screen.compact .game-image img{object-fit:contain;object-position:center}.tg-mm .game-screen.compact .game-prompt{font-size:clamp(1.38rem,5.9vw,1.7rem);line-height:1.24}.tg-mm .game-screen.compact .answer-form{gap:7px}.tg-mm .game-screen.compact .answer-control .answer-input{font-size:1.4rem;padding:9px 10px}.tg-mm .game-screen.compact .answer-affix{font-size:1.34rem}.tg-mm .game-screen.compact .answer-submit{width:54px;min-height:46px}.tg-mm .go-header{text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px}.tg-mm .go-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-mm .go-score{font-family:var(--font-mono);font-size:4.4rem;font-weight:800;line-height:1;background:linear-gradient(180deg,#fde68a,var(--brand-bright) 50%,#ea7c0b);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 18px rgba(245,158,11,.25))}.tg-mm .go-milestone{font-size:1.25rem;font-weight:800}.tg-mm .go-newbest{color:var(--primary);font-weight:700;animation:newbest-pop-tg-mm .5s cubic-bezier(.18,.9,.32,1.4)}@keyframes newbest-pop-tg-mm{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.tg-mm .go-stats{display:flex;flex-direction:column;gap:8px}.tg-mm .go-progress-row{display:flex;justify-content:space-between;font-size:.82rem;color:var(--text-dim);font-weight:600}.tg-mm .go-progress-track{height:10px;border-radius:999px;background:var(--surface-3);overflow:hidden}.tg-mm .go-progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand-bright),var(--brand));transition:width .6s ease}.tg-mm .go-progress-note{font-size:1rem;color:var(--text-dim);text-align:center}.tg-mm .go-combo-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding-top:10px;margin-top:4px;color:var(--text-dim);font-size:.92rem}.tg-mm .go-combo-row strong{font-family:var(--font-mono);font-size:1.15rem;color:var(--accent-change)}.tg-mm .go-save-row{display:flex;gap:10px;margin-bottom:12px}.tg-mm .initials-input{width:110px;background:#080d1acc;border:1.5px solid var(--border-strong);border-radius:12px;padding:9px 12px;font-family:var(--font-mono);font-size:1.2rem;font-weight:800;letter-spacing:.3em;text-align:center;text-transform:uppercase}.tg-mm .initials-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #f59e0b2e}.tg-mm .btn-save{flex:1}.tg-mm .go-saved-note{color:var(--primary);font-weight:600;font-size:.9rem;margin-bottom:12px}.tg-mm .go-actions{display:flex;flex-direction:column;gap:10px}.tg-mm .go-actions .btn-block{font-size:1.15rem;padding:14px}.tg-mm .go-actions-row .btn{font-size:.86rem;padding:11px 8px}.tg-mm .subpage-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.tg-mm .subpage-title{font-size:1.25rem;font-weight:800;text-align:center;flex:1}.tg-mm .subpage-counter{min-width:42px;text-align:center;font-family:var(--font-mono);font-weight:700;color:var(--text-dim)}.tg-mm .review-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:18px}.tg-mm .review-card{display:flex;flex-direction:column;gap:18px;padding:18px 15px;border-left:3px solid var(--border-strong)}.tg-mm .review-card.review-wrong{border-left-color:var(--danger)}.tg-mm .review-card.review-correct{border-left-color:var(--primary)}.tg-mm .review-card-top{display:flex;gap:13px;align-items:flex-start}.tg-mm .review-thumb{width:66px;height:66px;border-radius:10px;object-fit:cover;flex-shrink:0}.tg-mm .review-card-head{display:flex;flex-direction:column;gap:10px;min-width:0}.tg-mm .review-badge{align-self:flex-start;font-size:.84rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:4px 11px;border-radius:7px}.tg-mm .badge-correct{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-mm .badge-wrong{background:#f871711f;color:var(--danger);border:1px solid rgba(248,113,113,.4)}.tg-mm .review-prompt{font-weight:600;font-size:clamp(1.55rem,6.2vw,1.85rem);line-height:1.34}.tg-mm .review-index{color:var(--text-faint);font-family:var(--font-mono);font-size:1.05rem}.tg-mm .review-answers{display:flex;gap:10px 22px;flex-wrap:wrap;font-family:var(--font-mono);font-weight:700;font-size:1.4rem}.tg-mm .review-ans-wrong{color:var(--danger);text-decoration:line-through}.tg-mm .review-ans-right{color:var(--primary)}.tg-mm .review-method{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-mm .review-method summary{cursor:pointer;font-weight:700;color:var(--brand-bright);font-size:1.18rem;display:flex;align-items:center;gap:9px;list-style:none}.tg-mm .review-method summary::-webkit-details-marker{display:none}.tg-mm .review-method summary:after{content:"";margin-left:auto;flex-shrink:0;width:1.05em;height:1.05em;background-color:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;transition:transform .2s ease}.tg-mm .review-method[open] summary:after{transform:rotate(180deg)}.tg-mm .review-method .lm-tool-note{font-size:1.1rem;line-height:1.5;margin-top:10px;padding-bottom:14px}.tg-mm .review-method .lm-steps{margin-top:14px;gap:16px}.tg-mm .review-method .lm-step{gap:13px}.tg-mm .review-method .lm-step-body{gap:4px}.tg-mm .review-method .lm-step-label{font-size:1.1rem;line-height:1.4}.tg-mm .review-method .lm-step-expr{font-size:1.2rem;line-height:1.5}.tg-mm .result-chip{display:inline-block;font-weight:800;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);border-radius:7px;padding:2px 9px}.tg-mm .review-empty{text-align:center;color:var(--text-dim);padding:30px 0}@media(max-width:380px){.tg-mm .review-card{padding:16px 12px}.tg-mm .review-card-top{gap:11px}.tg-mm .review-method{padding:14px 12px}}@media(min-width:600px){.tg-mm .review-card{padding:20px;gap:18px}.tg-mm .review-method{padding:16px 18px}}.tg-mm .review-back{margin-top:4px}.tg-mm .learn-sub{text-align:center;color:var(--text-dim);font-size:1.05rem}.tg-mm .learn-sub strong{color:var(--text)}.tg-mm .lesson-list{display:flex;flex-direction:column;gap:12px}.tg-mm .lesson-card{display:flex;align-items:center;gap:14px;text-align:left;width:100%;transition:border-color .15s ease,transform .08s ease,background-color .15s ease}.tg-mm .lesson-card:hover{border-color:color-mix(in srgb,var(--lesson-accent) 55%,transparent)}.tg-mm .lesson-card:active{transform:scale(.985)}.tg-mm .lesson-emoji{font-size:1.7rem;flex-shrink:0;width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:14px}.tg-mm .lesson-body{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.tg-mm .lesson-title{font-weight:800;font-size:1.22rem;display:flex;align-items:center;gap:8px}.tg-mm .lesson-done{font-size:.82rem;font-weight:700;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);padding:1px 7px;border-radius:999px}.tg-mm .lesson-blurb{color:var(--text-dim);font-size:1rem;line-height:1.4}.tg-mm .lesson-stages{display:flex;align-items:center;gap:5px;margin-top:4px}.tg-mm .lesson-stage-dot{width:7px;height:7px;border-radius:50%;background:var(--surface-3);border:1px solid var(--border-strong)}.tg-mm .lesson-stage-dot.on{background:var(--lesson-accent);border-color:var(--lesson-accent)}.tg-mm .lesson-stage-count{font-size:.85rem;color:var(--text-faint);font-family:var(--font-mono);margin-left:3px}.tg-mm .lesson-arrow{color:var(--text-faint);font-size:1.45rem;flex-shrink:0}.tg-mm .learn-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}.tg-mm .lesson-progress{display:flex;gap:6px;flex:1;justify-content:center}.tg-mm .lesson-progress-seg{width:34px;height:7px;border-radius:999px;background:var(--surface-3);transition:background-color .2s ease}.tg-mm .lesson-progress-seg.current{background:var(--brand)}.tg-mm .lesson-progress-seg.done{background:var(--primary)}.tg-mm .lesson-progress-seg.current.done{background:linear-gradient(90deg,var(--primary),var(--brand))}.tg-mm .lesson-head{display:flex;align-items:center;gap:14px}.tg-mm .lesson-emoji-lg{font-size:2rem;width:56px;height:56px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:16px}.tg-mm .lesson-screen-title{font-size:1.55rem;font-weight:800;color:var(--lesson-accent)}.tg-mm .lesson-formula{color:var(--text-dim);font-size:1.05rem;line-height:1.4}.tg-mm .lesson-stage-card{display:flex;flex-direction:column;gap:12px}.tg-mm .stage-badge{align-self:flex-start;font-size:.92rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 13px;border-radius:999px}.tg-mm .badge-ido{background:#f59e0b1f;color:var(--brand-bright);border:1px solid rgba(245,158,11,.4)}.tg-mm .badge-wedo{background:#38bdf81f;color:var(--accent-decrease);border:1px solid rgba(56,189,248,.4)}.tg-mm .badge-youdo{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-mm .badge-flash{background:#a78bfa1f;color:var(--accent-of);border:1px solid rgba(167,139,250,.4)}.tg-mm .lesson-tool{color:var(--text-dim);font-size:1.1rem}.tg-mm .lesson-tool strong{color:var(--accent-change);text-transform:uppercase;letter-spacing:.04em}.tg-mm .lesson-prompt{font-size:clamp(1.45rem,5.6vw,1.75rem);font-weight:600;line-height:1.34;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-mm .lesson-ido-step{padding:4px 2px;animation:step-in-tg-mm .25s ease}@keyframes step-in-tg-mm{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.tg-mm .lesson-ido-answer{display:flex;flex-direction:column;align-items:center;gap:2px;background:#22c55e14;border:1px solid rgba(34,197,94,.35);border-radius:var(--radius-sm);padding:12px;animation:step-in-tg-mm .25s ease}.tg-mm .lesson-ido-answer span{font-size:.9rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim)}.tg-mm .lesson-ido-answer strong{font-family:var(--font-mono);font-size:2rem;color:var(--primary)}.tg-mm .lesson-answer-row{display:flex;align-items:center;gap:10px}.tg-mm .lesson-input{font-size:1.5rem}.tg-mm .answer-unit{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--text-dim);flex-shrink:0}.tg-mm .input-shake{animation:shake-tg-mm .3s ease;border-color:var(--danger)!important}@keyframes shake-tg-mm{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.tg-mm .lesson-feedback{font-weight:600;font-size:1.12rem;line-height:1.4}.tg-mm .lesson-feedback-wrong{color:var(--danger)}.tg-mm .lesson-feedback-right{color:var(--primary)}.tg-mm .lesson-hints{display:flex;flex-direction:column;gap:10px;padding-left:22px;color:var(--text-dim);font-size:1.08rem;line-height:1.45}.tg-mm .lesson-hints li::marker{color:var(--brand-bright);font-weight:700}.tg-mm .lesson-stage-actions{display:flex;gap:10px;justify-content:flex-end}.tg-mm .flash-options{display:flex;flex-direction:column;gap:9px}.tg-mm .flash-option{text-align:left;padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:1.15rem;line-height:1.4;transition:border-color .15s ease,background-color .15s ease}.tg-mm .flash-option:hover:not(:disabled){border-color:var(--border-strong)}.tg-mm .flash-option.flash-right{border-color:#22c55e99;background:#22c55e1a}.tg-mm .flash-option.picked.flash-wrong{border-color:#f8717199;background:#f8717114}.tg-mm .home-screen{width:min(100%,680px)}.tg-exp h1,.tg-exp h2,.tg-exp h3,.tg-exp p,.tg-exp ol,.tg-exp ul{margin:0}.tg-exp button{font:inherit;color:inherit;cursor:pointer;border:none;background:none;padding:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.tg-exp input{font:inherit;color:inherit}.tg-exp code,.tg-exp pre{font-family:var(--font-mono)}.tg-exp img{display:block;max-width:100%}.tg-exp :focus-visible{outline:2px solid var(--brand-bright);outline-offset:2px}.tg-exp .app-root{position:relative;min-height:100svh;min-height:100dvh;overflow-x:clip;background:radial-gradient(60rem 36rem at 12% -8%,rgba(99,102,241,.16),transparent 60%),radial-gradient(48rem 30rem at 105% 0%,rgba(245,158,11,.1),transparent 55%),radial-gradient(50rem 40rem at 50% 115%,rgba(34,197,94,.07),transparent 60%),var(--bg)}.tg-exp .bg-decor{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.tg-exp .bg-glyph{position:absolute;font-weight:800;font-size:22rem;line-height:1;color:#94a3b80a;-webkit-user-select:none;user-select:none}.tg-exp .bg-glyph-1{top:-4rem;right:-5rem;transform:rotate(12deg)}.tg-exp .bg-glyph-2{bottom:-6rem;left:-4rem;transform:rotate(-10deg)}.tg-exp .bg-glyph-3{top:38%;left:62%;font-size:13rem;transform:rotate(-18deg);color:#94a3b808}.tg-exp .screen{position:relative;z-index:1;width:min(100%,540px);margin-inline:auto;padding:calc(14px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}.tg-exp .card{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.tg-exp .card-title{display:flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:12px}.tg-exp .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;border-radius:14px;padding:12px 18px;border:1px solid transparent;transition:transform .08s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease,opacity .15s ease}.tg-exp .btn:active:not(:disabled){transform:scale(.97)}.tg-exp .btn:disabled{opacity:.45;cursor:not-allowed}.tg-exp .btn-primary{background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;text-shadow:0 1px 2px rgba(0,0,0,.25);box-shadow:0 6px 18px -6px var(--primary-glow),inset 0 1px #ffffff40}.tg-exp .btn-primary:hover:not(:disabled){filter:brightness(1.06)}.tg-exp .btn-secondary{background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}.tg-exp .btn-secondary:hover:not(:disabled){background:var(--surface-3)}.tg-exp .btn-ghost{color:var(--text-dim);padding:8px 10px;border-radius:10px}.tg-exp .btn-ghost:hover{color:var(--text);background:#94a3b814}.tg-exp .btn-block{width:100%}.tg-exp .icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);transition:color .15s ease,background-color .15s ease,transform .08s ease}.tg-exp .icon-btn:hover{color:var(--text);background:var(--surface-3)}.tg-exp .icon-btn:active{transform:scale(.94)}.tg-exp .icon-btn-sm{width:34px;height:34px;border-radius:10px}.tg-exp .scores-mode{margin-left:auto;text-transform:none;letter-spacing:.01em;font-size:.72rem;font-weight:700;color:var(--brand-bright);background:#f59e0b1f;border:1px solid rgba(245,158,11,.32);border-radius:999px;padding:3px 10px;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-exp .score-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.tg-exp .score-row{display:grid;grid-template-columns:28px 56px 1fr auto;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border)}.tg-exp .score-row-new{border-color:var(--brand);box-shadow:0 0 0 1px #f59e0b59}.tg-exp .score-rank{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.78rem;font-weight:800;font-family:var(--font-mono);background:var(--surface-3);color:var(--text-dim)}.tg-exp .score-rank-1{background:linear-gradient(180deg,#fcd34d,#d97706);color:#3b2403}.tg-exp .score-rank-2{background:linear-gradient(180deg,#e2e8f0,#94a3b8);color:#1e293b}.tg-exp .score-rank-3{background:linear-gradient(180deg,#fdba74,#c2540a);color:#431d05}.tg-exp .score-initials{font-family:var(--font-mono);font-weight:700;letter-spacing:.14em}.tg-exp .score-title{color:var(--text-dim);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tg-exp .score-value{font-family:var(--font-mono);font-weight:800;font-size:1.05rem;color:var(--brand-bright)}.tg-exp .scores-empty{color:var(--text-faint);font-size:1rem}.tg-exp .lm-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;background:#070b14f0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);overflow-y:auto;border-radius:inherit;display:flex;flex-direction:column}.tg-exp .lm-countbar{position:sticky;top:0;height:5px;background:#94a3b826;flex-shrink:0}.tg-exp .lm-countbar-fill{height:100%;background:linear-gradient(90deg,var(--brand-bright),var(--brand));animation:lm-drain-tg-exp linear forwards;transform-origin:left}@keyframes lm-drain-tg-exp{0%{width:100%}to{width:0%}}.tg-exp .lm-body{padding:16px 18px calc(18px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px;max-width:480px;width:100%;margin-inline:auto}.tg-exp .lm-eyebrow{text-align:center;font-size:.84rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-exp .lm-prompt{text-align:center;font-size:clamp(1.55rem,6.2vw,1.85rem);font-weight:700;line-height:1.3}.tg-exp .lm-answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tg-exp .lm-answer{border-radius:var(--radius-sm);padding:13px 10px;text-align:center;display:flex;flex-direction:column;gap:2px}.tg-exp .lm-answer-wrong{background:#f8717114;border:1px solid rgba(248,113,113,.35)}.tg-exp .lm-answer-right{background:#22c55e14;border:1px solid rgba(34,197,94,.35)}.tg-exp .lm-answer-label{font-size:.95rem;color:var(--text-dim)}.tg-exp .lm-answer-value{font-family:var(--font-mono);font-weight:800;font-size:1.7rem}.tg-exp .lm-answer-wrong .lm-answer-value{color:var(--danger);text-decoration:line-through}.tg-exp .lm-answer-right .lm-answer-value{color:var(--primary)}.tg-exp .lm-method{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-exp .lm-tool{font-weight:700;color:var(--brand-bright);font-size:1.18rem;text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:8px}.tg-exp .lm-tool-tag{font-size:.82rem;font-weight:800;letter-spacing:.1em;padding:3px 8px;border-radius:6px;background:#f59e0b26;border:1px solid rgba(245,158,11,.4);color:var(--brand-bright)}.tg-exp .lm-tool-note{color:var(--text-dim);font-size:1.1rem;line-height:1.5;margin-top:6px;padding-bottom:12px;border-bottom:1px solid var(--border)}.tg-exp .lm-steps{list-style:none;padding:0;display:flex;flex-direction:column;gap:14px;margin-top:14px}.tg-exp .lm-step{display:flex;gap:13px;align-items:baseline}.tg-exp .lm-step-num{flex-shrink:0;font-size:.92rem;font-weight:700;color:var(--text-dim);background:var(--surface-3);border-radius:7px;padding:2px 7px;white-space:nowrap}.tg-exp .lm-step-body{display:flex;flex-direction:column;gap:1px}.tg-exp .lm-step-label{font-size:1.1rem;line-height:1.4;color:var(--text)}.tg-exp .lm-step-expr{color:var(--accent-change);font-size:1.2rem;line-height:1.45;font-weight:600}.tg-exp .lm-countdown{text-align:center;color:var(--text-faint);font-size:1.05rem}.tg-exp .combo-pop{position:absolute;top:22%;left:50%;z-index:25;pointer-events:none;font-size:2rem;font-weight:800;white-space:nowrap;background:linear-gradient(180deg,#fde68a,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 2px 10px rgba(245,158,11,.45));animation:combo-pop-tg-exp 1.2s cubic-bezier(.18,.9,.32,1.2) forwards}@keyframes combo-pop-tg-exp{0%{transform:translate(-50%,12px) scale(.6);opacity:0}18%{transform:translate(-50%) scale(1.08);opacity:1}70%{transform:translate(-50%,-6px) scale(1);opacity:1}to{transform:translate(-50%,-22px) scale(.96);opacity:0}}.tg-exp .qr-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#04070eb3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:16px}@media(min-width:600px){.tg-exp .qr-backdrop{align-items:center}}.tg-exp .qr-modal{width:min(100%,560px);max-height:calc(var(--vvh, 100dvh) - 48px);overflow-y:auto;background:var(--bg);border:1px solid var(--border-strong);border-radius:22px;padding:18px 18px calc(18px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px}.tg-exp .qr-header{display:flex;align-items:center;justify-content:space-between;position:sticky;top:-18px;margin:-18px -18px 0;padding:18px;background:linear-gradient(180deg,var(--bg) 75%,transparent);z-index:2}.tg-exp .qr-title{font-size:1.55rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-bright)}.tg-exp .qr-section-title{font-size:1.02rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:11px}.tg-exp .qr-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;display:flex;flex-direction:column;gap:11px;font-size:1.1rem;line-height:1.5}.tg-exp .qr-box hr{border:none;border-top:1px solid var(--border);margin:4px 0;width:100%}.tg-exp .qr-q{font-weight:600;font-size:1.15rem}.tg-exp .qr-work{margin:0;white-space:pre-wrap;color:var(--accent-change);font-size:1.08rem;line-height:1.7}.tg-exp .qr-work .qr-arrow{color:var(--text);font-weight:800;padding-inline:.22em}.tg-exp .qr-good{color:var(--accent-change);font-weight:600}.tg-exp .qr-muted{color:var(--text-dim);font-size:1.0625rem;line-height:1.55}.tg-exp .qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-exp .qr-frac{background:var(--surface);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-sm);padding:12px 13px;font-family:var(--font-mono);font-size:1.15rem;display:flex;flex-wrap:wrap;align-items:baseline;gap:5px}.tg-exp .qr-frac-fifth{border-color:#a78bfa59}.tg-exp .qr-frac-rate{color:var(--brand-bright);font-weight:800}.tg-exp .qr-frac-fifth .qr-frac-rate{color:var(--accent-of)}.tg-exp .qr-frac-note{width:100%;font-family:var(--font-ui);font-size:1rem;color:var(--text-dim)}.tg-exp .qr-grid-divider{text-align:center;font-size:.9rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-of);margin:12px 0}.tg-exp .qr-types{gap:10px}.tg-exp .qr-type-row{display:grid;grid-template-columns:128px 1fr;gap:12px;align-items:baseline;font-size:1.08rem;color:var(--text-dim)}.tg-exp .qr-type{font-weight:700;font-size:1.1rem}.tg-exp .qr-type-increase{color:var(--accent-increase)}.tg-exp .qr-type-decrease{color:var(--accent-decrease)}.tg-exp .qr-type-of{color:var(--accent-of)}.tg-exp .qr-type-change{color:var(--accent-change)}.tg-exp .qr-done{position:sticky;bottom:0;z-index:1}.tg-exp .qr-done:before{content:"";position:absolute;left:-18px;right:-18px;bottom:100%;height:18px;background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none}.tg-exp .home-top{display:flex;align-items:center;justify-content:space-between}.tg-exp .home-top-spacer{width:42px}.tg-exp .home-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:-10px}.tg-exp .brand{font-size:clamp(2.6rem,11vw,3.4rem);font-weight:800;letter-spacing:-.01em;line-height:1.05;background:linear-gradient(180deg,#fde68a 0%,var(--brand-bright) 45%,#ea7c0b 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 3px 16px rgba(245,158,11,.22))}.tg-exp .brand-sub{font-size:1.125rem;line-height:1.4;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);margin-left:.18em}.tg-exp .streak-pill{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:6px 14px;border-radius:999px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.35);color:var(--brand-bright);font-weight:600;font-size:.88rem}.tg-exp .streak-pill em{font-style:normal;font-weight:500;color:var(--text-dim)}.tg-exp .streak-pill-empty{background:var(--surface-2);border-color:var(--border);color:var(--text-dim)}.tg-exp .mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-exp .mode-chip{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 10px;border-radius:14px;background:var(--surface-2);border:1px solid var(--border);font-weight:700;font-size:.92rem;color:var(--text-dim);transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .08s ease}.tg-exp .mode-chip:active{transform:scale(.97)}.tg-exp .mode-chip-on{color:var(--text);border-color:color-mix(in srgb,var(--mode-accent) 65%,transparent);background:color-mix(in srgb,var(--mode-accent) 12%,var(--surface-2));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--mode-accent) 35%,transparent)}.tg-exp .mode-check{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:6px;border:1.5px solid var(--border-strong);background:transparent;color:#08101f;flex-shrink:0}.tg-exp .mode-chip-on .mode-check{background:var(--mode-accent);border-color:var(--mode-accent)}.tg-exp .modes-note{margin-top:12px;text-align:center;font-size:1rem;color:var(--text-dim)}.tg-exp .modes-note-warn{color:var(--danger);font-weight:600}.tg-exp .home-actions{display:flex;flex-direction:column;gap:10px}.tg-exp .btn-play{position:relative;flex-direction:row;flex-wrap:wrap;font-size:1.35rem;padding:16px 20px;border-radius:18px;letter-spacing:.02em}.tg-exp .btn-play:not(:disabled){box-shadow:0 10px 30px -8px var(--primary-glow),0 0 0 1px #22c55e40,inset 0 1px #ffffff47}.tg-exp .btn-play-sub{flex-basis:100%;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.85;margin-top:-2px}.tg-exp .home-actions-row,.tg-exp .go-actions-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tg-exp .home-actions-row .btn{font-size:.95rem;padding:12px 10px}.tg-exp .home-footer{text-align:center;color:var(--text-faint);font-size:1rem}.tg-exp .game-screen{position:fixed;top:var(--vvt, 0px);left:0;right:0;height:var(--vvh, 100dvh);width:min(100%,560px);margin-inline:auto;padding:calc(8px + env(safe-area-inset-top)) 12px calc(10px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;overflow:hidden;z-index:1}.tg-exp .game-header{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}.tg-exp .game-stat{display:flex;flex-direction:column;align-items:center;line-height:1;min-width:60px}.tg-exp .stat-value{font-family:var(--font-mono);font-size:2.3rem;font-weight:800;color:var(--brand-bright);text-shadow:0 2px 14px rgba(245,158,11,.4)}.tg-exp .stat-label{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-top:3px}.tg-exp .game-center{display:flex;flex-direction:column;align-items:center;gap:4px}.tg-exp .timer{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;letter-spacing:.02em;padding:1px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border-strong);line-height:1.12}.tg-exp .timer-urgent{color:#fecaca;background:#b91c1c38;border-color:#f8717199;animation:timer-pulse-tg-exp 1s ease-in-out infinite}@keyframes timer-pulse-tg-exp{0%,to{box-shadow:0 0 #f8717166}50%{box-shadow:0 0 0 5px #f8717100}}.tg-exp .lives{display:flex;gap:4px}.tg-exp .life{color:#fb7185;display:inline-flex}.tg-exp .life-lost{color:#94a3b840}.tg-exp .game-controls{display:flex;gap:6px}.tg-exp .game-card{position:relative;flex:0 1 auto;margin-block:auto;min-height:0;display:flex;flex-direction:column;gap:8px;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 35%),var(--surface);border:1px solid var(--border);border-radius:20px;padding:12px;transition:box-shadow .2s ease,border-color .2s ease}.tg-exp .flash-correct{border-color:#22c55eb3;box-shadow:0 0 0 2px #22c55e59,0 0 26px -4px var(--primary-glow)}.tg-exp .game-image{flex:none;width:100%;aspect-ratio:4 / 3;max-height:40vh;border-radius:14px;overflow:hidden;background:var(--surface-2)}.tg-exp .game-image img{width:100%;height:100%;object-fit:cover}.tg-exp .game-prompt{flex-shrink:0;text-align:center;font-size:clamp(1.5rem,6.2vw,1.85rem);font-weight:700;line-height:1.28;text-wrap:balance;padding-inline:4px}.tg-exp .prompt-task{color:var(--brand-bright);font-weight:800}.tg-exp .answer-form{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:10px}.tg-exp .answer-input{flex:1;min-width:0;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;padding:11px 14px;font-family:var(--font-mono);font-size:1.5rem;font-weight:700;text-align:center;color:var(--text);caret-color:var(--primary)}.tg-exp .answer-input::placeholder{color:var(--text-faint);font-weight:500}.tg-exp .answer-input:focus{outline:none;box-shadow:0 0 0 3px #22c55e38}.tg-exp .answer-control{display:flex;align-items:stretch;width:100%;background:#080d1acc;border:1.5px solid var(--primary);border-radius:14px;overflow:hidden;transition:box-shadow .15s ease}.tg-exp .answer-control:focus-within{box-shadow:0 0 0 3px #22c55e38}.tg-exp .answer-affix{display:flex;align-items:center;font-family:var(--font-mono);font-size:1.45rem;font-weight:700;color:var(--text-dim);flex-shrink:0}.tg-exp .answer-affix-pre{padding-left:16px}.tg-exp .answer-affix-post{padding-right:4px}.tg-exp .answer-control .answer-input{border:none;background:transparent;border-radius:0;box-shadow:none;padding:12px 10px}.tg-exp .answer-submit{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:60px;min-height:52px;background:linear-gradient(180deg,#2bd96c,var(--primary) 45%,var(--primary-deep));color:#f2fff6;border-left:1.5px solid rgba(8,13,26,.35);transition:filter .15s ease,opacity .15s ease,background-color .15s ease}.tg-exp .answer-submit:hover:not(:disabled){filter:brightness(1.08)}.tg-exp .answer-submit:active:not(:disabled){filter:brightness(.95)}.tg-exp .answer-submit:disabled{cursor:not-allowed;background:var(--surface-3);color:var(--text-faint);border-left-color:var(--border)}.tg-exp .game-screen.compact{gap:6px;padding-top:max(4px,env(safe-area-inset-top));padding-bottom:6px}.tg-exp .game-screen.compact .game-header{gap:8px}.tg-exp .game-screen.compact .stat-value{font-size:1.6rem}.tg-exp .game-screen.compact .stat-label{display:none}.tg-exp .game-screen.compact .game-center{flex-direction:row;gap:8px;align-items:center}.tg-exp .game-screen.compact .timer{font-size:1.55rem;padding:1px 11px;line-height:1.1}.tg-exp .game-screen.compact .game-card{flex:1;margin-block:0;padding:8px;gap:6px}.tg-exp .game-screen.compact .game-image{flex:1 1 auto;aspect-ratio:auto;min-height:56px;max-height:none;background:transparent}.tg-exp .game-screen.compact .game-image img{object-fit:contain;object-position:center}.tg-exp .game-screen.compact .game-prompt{font-size:clamp(1.38rem,5.9vw,1.7rem);line-height:1.24}.tg-exp .game-screen.compact .answer-form{gap:7px}.tg-exp .game-screen.compact .answer-control .answer-input{font-size:1.4rem;padding:9px 10px}.tg-exp .game-screen.compact .answer-affix{font-size:1.34rem}.tg-exp .game-screen.compact .answer-submit{width:54px;min-height:46px}.tg-exp .go-header{text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px}.tg-exp .go-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.tg-exp .go-score{font-family:var(--font-mono);font-size:4.4rem;font-weight:800;line-height:1;background:linear-gradient(180deg,#fde68a,var(--brand-bright) 50%,#ea7c0b);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 18px rgba(245,158,11,.25))}.tg-exp .go-milestone{font-size:1.25rem;font-weight:800}.tg-exp .go-newbest{color:var(--primary);font-weight:700;animation:newbest-pop-tg-exp .5s cubic-bezier(.18,.9,.32,1.4)}@keyframes newbest-pop-tg-exp{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.tg-exp .go-stats{display:flex;flex-direction:column;gap:8px}.tg-exp .go-progress-row{display:flex;justify-content:space-between;font-size:.82rem;color:var(--text-dim);font-weight:600}.tg-exp .go-progress-track{height:10px;border-radius:999px;background:var(--surface-3);overflow:hidden}.tg-exp .go-progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand-bright),var(--brand));transition:width .6s ease}.tg-exp .go-progress-note{font-size:1rem;color:var(--text-dim);text-align:center}.tg-exp .go-combo-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding-top:10px;margin-top:4px;color:var(--text-dim);font-size:.92rem}.tg-exp .go-combo-row strong{font-family:var(--font-mono);font-size:1.15rem;color:var(--accent-change)}.tg-exp .go-save-row{display:flex;gap:10px;margin-bottom:12px}.tg-exp .initials-input{width:110px;background:#080d1acc;border:1.5px solid var(--border-strong);border-radius:12px;padding:9px 12px;font-family:var(--font-mono);font-size:1.2rem;font-weight:800;letter-spacing:.3em;text-align:center;text-transform:uppercase}.tg-exp .initials-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #f59e0b2e}.tg-exp .btn-save{flex:1}.tg-exp .go-saved-note{color:var(--primary);font-weight:600;font-size:.9rem;margin-bottom:12px}.tg-exp .go-actions{display:flex;flex-direction:column;gap:10px}.tg-exp .go-actions .btn-block{font-size:1.15rem;padding:14px}.tg-exp .go-actions-row .btn{font-size:.86rem;padding:11px 8px}.tg-exp .subpage-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.tg-exp .subpage-title{font-size:1.25rem;font-weight:800;text-align:center;flex:1}.tg-exp .subpage-counter{min-width:42px;text-align:center;font-family:var(--font-mono);font-weight:700;color:var(--text-dim)}.tg-exp .review-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:18px}.tg-exp .review-card{display:flex;flex-direction:column;gap:18px;padding:18px 15px;border-left:3px solid var(--border-strong)}.tg-exp .review-card.review-wrong{border-left-color:var(--danger)}.tg-exp .review-card.review-correct{border-left-color:var(--primary)}.tg-exp .review-card-top{display:flex;gap:13px;align-items:flex-start}.tg-exp .review-thumb{width:66px;height:66px;border-radius:10px;object-fit:cover;flex-shrink:0}.tg-exp .review-card-head{display:flex;flex-direction:column;gap:10px;min-width:0}.tg-exp .review-badge{align-self:flex-start;font-size:.84rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:4px 11px;border-radius:7px}.tg-exp .badge-correct{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-exp .badge-wrong{background:#f871711f;color:var(--danger);border:1px solid rgba(248,113,113,.4)}.tg-exp .review-prompt{font-weight:600;font-size:clamp(1.55rem,6.2vw,1.85rem);line-height:1.34}.tg-exp .review-index{color:var(--text-faint);font-family:var(--font-mono);font-size:1.05rem}.tg-exp .review-answers{display:flex;gap:10px 22px;flex-wrap:wrap;font-family:var(--font-mono);font-weight:700;font-size:1.4rem}.tg-exp .review-ans-wrong{color:var(--danger);text-decoration:line-through}.tg-exp .review-ans-right{color:var(--primary)}.tg-exp .review-method{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-exp .review-method summary{cursor:pointer;font-weight:700;color:var(--brand-bright);font-size:1.18rem;display:flex;align-items:center;gap:9px;list-style:none}.tg-exp .review-method summary::-webkit-details-marker{display:none}.tg-exp .review-method summary:after{content:"";margin-left:auto;flex-shrink:0;width:1.05em;height:1.05em;background-color:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / contain no-repeat;transition:transform .2s ease}.tg-exp .review-method[open] summary:after{transform:rotate(180deg)}.tg-exp .review-method .lm-tool-note{font-size:1.1rem;line-height:1.5;margin-top:10px;padding-bottom:14px}.tg-exp .review-method .lm-steps{margin-top:14px;gap:16px}.tg-exp .review-method .lm-step{gap:13px}.tg-exp .review-method .lm-step-body{gap:4px}.tg-exp .review-method .lm-step-label{font-size:1.1rem;line-height:1.4}.tg-exp .review-method .lm-step-expr{font-size:1.2rem;line-height:1.5}.tg-exp .result-chip{display:inline-block;font-weight:800;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);border-radius:7px;padding:2px 9px}.tg-exp .review-empty{text-align:center;color:var(--text-dim);padding:30px 0}@media(max-width:380px){.tg-exp .review-card{padding:16px 12px}.tg-exp .review-card-top{gap:11px}.tg-exp .review-method{padding:14px 12px}}@media(min-width:600px){.tg-exp .review-card{padding:20px;gap:18px}.tg-exp .review-method{padding:16px 18px}}.tg-exp .review-back{margin-top:4px}.tg-exp .learn-sub{text-align:center;color:var(--text-dim);font-size:1.05rem}.tg-exp .learn-sub strong{color:var(--text)}.tg-exp .lesson-list{display:flex;flex-direction:column;gap:12px}.tg-exp .lesson-card{display:flex;align-items:center;gap:14px;text-align:left;width:100%;transition:border-color .15s ease,transform .08s ease,background-color .15s ease}.tg-exp .lesson-card:hover{border-color:color-mix(in srgb,var(--lesson-accent) 55%,transparent)}.tg-exp .lesson-card:active{transform:scale(.985)}.tg-exp .lesson-emoji{font-size:1.7rem;flex-shrink:0;width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:14px}.tg-exp .lesson-body{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.tg-exp .lesson-title{font-weight:800;font-size:1.22rem;display:flex;align-items:center;gap:8px}.tg-exp .lesson-done{font-size:.82rem;font-weight:700;color:var(--primary);background:#22c55e1f;border:1px solid rgba(34,197,94,.35);padding:1px 7px;border-radius:999px}.tg-exp .lesson-blurb{color:var(--text-dim);font-size:1rem;line-height:1.4}.tg-exp .lesson-stages{display:flex;align-items:center;gap:5px;margin-top:4px}.tg-exp .lesson-stage-dot{width:7px;height:7px;border-radius:50%;background:var(--surface-3);border:1px solid var(--border-strong)}.tg-exp .lesson-stage-dot.on{background:var(--lesson-accent);border-color:var(--lesson-accent)}.tg-exp .lesson-stage-count{font-size:.85rem;color:var(--text-faint);font-family:var(--font-mono);margin-left:3px}.tg-exp .lesson-arrow{color:var(--text-faint);font-size:1.45rem;flex-shrink:0}.tg-exp .learn-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}.tg-exp .lesson-progress{display:flex;gap:6px;flex:1;justify-content:center}.tg-exp .lesson-progress-seg{width:34px;height:7px;border-radius:999px;background:var(--surface-3);transition:background-color .2s ease}.tg-exp .lesson-progress-seg.current{background:var(--brand)}.tg-exp .lesson-progress-seg.done{background:var(--primary)}.tg-exp .lesson-progress-seg.current.done{background:linear-gradient(90deg,var(--primary),var(--brand))}.tg-exp .lesson-head{display:flex;align-items:center;gap:14px}.tg-exp .lesson-emoji-lg{font-size:2rem;width:56px;height:56px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lesson-accent) 12%,var(--surface-2));border:1px solid color-mix(in srgb,var(--lesson-accent) 30%,transparent);border-radius:16px}.tg-exp .lesson-screen-title{font-size:1.55rem;font-weight:800;color:var(--lesson-accent)}.tg-exp .lesson-formula{color:var(--text-dim);font-size:1.05rem;line-height:1.4}.tg-exp .lesson-stage-card{display:flex;flex-direction:column;gap:12px}.tg-exp .stage-badge{align-self:flex-start;font-size:.92rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 13px;border-radius:999px}.tg-exp .badge-ido{background:#f59e0b1f;color:var(--brand-bright);border:1px solid rgba(245,158,11,.4)}.tg-exp .badge-wedo{background:#38bdf81f;color:var(--accent-decrease);border:1px solid rgba(56,189,248,.4)}.tg-exp .badge-youdo{background:#22c55e1f;color:var(--primary);border:1px solid rgba(34,197,94,.4)}.tg-exp .badge-flash{background:#a78bfa1f;color:var(--accent-of);border:1px solid rgba(167,139,250,.4)}.tg-exp .lesson-tool{color:var(--text-dim);font-size:1.1rem}.tg-exp .lesson-tool strong{color:var(--accent-change);text-transform:uppercase;letter-spacing:.04em}.tg-exp .lesson-prompt{font-size:clamp(1.45rem,5.6vw,1.75rem);font-weight:600;line-height:1.34;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.tg-exp .lesson-ido-step{padding:4px 2px;animation:step-in-tg-exp .25s ease}@keyframes step-in-tg-exp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.tg-exp .lesson-ido-answer{display:flex;flex-direction:column;align-items:center;gap:2px;background:#22c55e14;border:1px solid rgba(34,197,94,.35);border-radius:var(--radius-sm);padding:12px;animation:step-in-tg-exp .25s ease}.tg-exp .lesson-ido-answer span{font-size:.9rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim)}.tg-exp .lesson-ido-answer strong{font-family:var(--font-mono);font-size:2rem;color:var(--primary)}.tg-exp .lesson-answer-row{display:flex;align-items:center;gap:10px}.tg-exp .lesson-input{font-size:1.5rem}.tg-exp .answer-unit{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--text-dim);flex-shrink:0}.tg-exp .input-shake{animation:shake-tg-exp .3s ease;border-color:var(--danger)!important}@keyframes shake-tg-exp{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.tg-exp .lesson-feedback{font-weight:600;font-size:1.12rem;line-height:1.4}.tg-exp .lesson-feedback-wrong{color:var(--danger)}.tg-exp .lesson-feedback-right{color:var(--primary)}.tg-exp .lesson-hints{display:flex;flex-direction:column;gap:10px;padding-left:22px;color:var(--text-dim);font-size:1.08rem;line-height:1.45}.tg-exp .lesson-hints li::marker{color:var(--brand-bright);font-weight:700}.tg-exp .lesson-stage-actions{display:flex;gap:10px;justify-content:flex-end}.tg-exp .flash-options{display:flex;flex-direction:column;gap:9px}.tg-exp .flash-option{text-align:left;padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:1.15rem;line-height:1.4;transition:border-color .15s ease,background-color .15s ease}.tg-exp .flash-option:hover:not(:disabled){border-color:var(--border-strong)}.tg-exp .flash-option.flash-right{border-color:#22c55e99;background:#22c55e1a}.tg-exp .flash-option.picked.flash-wrong{border-color:#f8717199;background:#f8717114}.tg-exp .home-screen{width:min(100%,680px)}