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var(--gold-deep);transform:translateY(3px)}.answer-row{justify-content:center;align-items:center;gap:10px;display:flex}.answer-input{font:700 2rem var(--font-display);text-align:center;max-width:280px;min-height:64px}.answer-unit{font:700 1.5rem var(--font-display);color:var(--text-muted)}.num-pad{grid-template-columns:repeat(3,1fr);gap:8px;width:100%;max-width:320px;margin:0 auto;display:grid}.num-pad .btn{min-height:56px;font-size:1.5rem}@media (pointer:fine){.num-pad{max-width:260px}.num-pad .btn{min-height:44px;font-size:1.2rem}}.choice-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;display:grid}.feedback{text-align:center;border-radius:14px;padding:12px 16px;font-size:1.2rem;font-weight:700}.feedback-correct{background:color-mix(in srgb, var(--green) 22%, transparent);border:2px solid var(--green);font-family:var(--font-display);font-size:1.6rem}.feedback-wrong{background:color-mix(in srgb, var(--red) 18%, transparent);border:2px solid var(--red)}.feedback-invalid{background:color-mix(in srgb, var(--orange) 18%, transparent);border:2px solid var(--orange)}.coin-pop{vertical-align:-.12em;background:radial-gradient(circle at 35% 30%, #fff3b0, var(--gold) 55%, var(--gold-deep));border-radius:50%;width:1em;height:1em;animation:.7s ease-out coin-pop;display:inline-block}@keyframes coin-pop{0%{opacity:0;transform:translateY(20px)scale(.3)rotateY(0)}60%{opacity:1;transform:translateY(-12px)scale(1.2)rotateY(360deg)}to{transform:none}}.place-value{border-collapse:collapse;width:auto;margin:0 auto}.place-value th,.place-value td{border:2px solid var(--border);text-align:center;font:700 1.3rem var(--font-display);padding:6px clamp(6px,2vw,16px)}.place-value th{color:var(--gold)}.column-calc{white-space:pre;margin:0 auto;font:700 1.6rem/1.3 ui-monospace,SF Mono,Menlo,monospace}.column-calc .carry{color:var(--gold);font-size:.9rem;line-height:1}.column-calc .rule{border-bottom:3px solid var(--text);height:4px;margin-bottom:4px}.column-calc .result{color:var(--gold)}.help-backdrop{z-index:60;background:#0000008c;justify-content:flex-end;display:flex;position:fixed;inset:0}.help-panel{background:var(--surface);border-left:3px solid var(--gold);flex-direction:column;gap:14px;width:min(560px,100%);height:100%;padding:20px 20px 32px;animation:.2s ease-out slide-in;display:flex;overflow-y:auto}@keyframes slide-in{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:none}}.help-header{background:var(--surface);z-index:1;justify-content:space-between;align-items:flex-start;gap:12px;padding-top:4px;display:flex;position:sticky;top:-20px}.help-header h2{margin:0}.help-kicker{color:var(--gold);font-weight:800;font-family:var(--font-display)}.help-note{color:var(--text-muted);margin:0;font-size:.95rem}.help-section{background:var(--bg-deep);border-radius:14px;padding:12px 16px}.help-section h3{margin-bottom:6px}.help-section ol,.help-section ul{flex-direction:column;gap:6px;margin:0;padding-left:1.3em;display:flex}.help-section p{margin:0}.help-tricks{border-left:5px solid var(--gold)}.help-mistakes{border-left:5px solid var(--orange)}.help-example{border-left:5px solid var(--blue);flex-direction:column;gap:10px;display:flex}.help-example-question{font-family:var(--font-display);font-size:1.25rem;font-weight:700}@media (width<=640px){.help-panel{border-left:none}}.paper{--cell:34px;--ink:#1f3f94;--ink-red:#d1262c;--ink-green:#197a3c;--text:#1f3f94;--text-muted:#5a6784;--gold:#e3a400;--gold-deep:#a86f00;--surface-2:#fff;--border:#b8c6e4;--bg-deep:#fff;--red:#d1262c;--blue:#3a7bd5;--green:#197a3c;color:var(--ink);background-color:#fffdf4;background-image:linear-gradient(90deg,#0000 46px,#d1262c8c 46px 48px,#0000 48px),linear-gradient(#608cd238 1px,#0000 1px),linear-gradient(90deg,#608cd238 1px,#0000 1px);background-size:100% 100%, var(--cell) var(--cell), var(--cell) var(--cell);border-radius:6px;flex-direction:column;gap:14px;padding:18px 16px 16px 60px;display:flex;position:relative;box-shadow:0 2px #d9d2b8,0 10px 24px #00000059}.paper:before{content:"";background:radial-gradient(circle,#0000002e 5px,#0000 6px) 0 0/14px 68px repeat-y;width:14px;position:absolute;top:24px;bottom:24px;left:14px}.hand{color:var(--ink);margin:0;font-family:Kalam,Comic Sans MS,cursive;line-height:1.35}.hand-title{font-size:1.7rem;font-weight:700}.muted-ink{color:#6b7797}.paper-label{font:800 .85rem var(--font-display);color:#fff;background:var(--ink);border-radius:999px;margin-bottom:4px;padding:2px 12px;display:inline-block}.paper-sheet{z-index:1;background:#fffdf4f0;border-bottom:1px dashed #1f3f9440;justify-content:safe center;padding:6px 0;display:flex;position:sticky;top:64px;overflow-x:auto}.col-grid{grid-auto-rows:var(--cell);display:grid}.col-cell{font:700 1.75rem/var(--cell) "Kalam", cursive;text-align:center;color:var(--ink);position:relative}.col-cell.tone-carry,.col-cell.tone-exchange{color:var(--ink-red)}.col-cell.small{padding-top:14px;font-size:1.05rem;line-height:1}.col-cell.tone-exchange.small{padding-top:16px}.col-cell.tone-result{color:var(--ink-green)}.col-cell.rule{box-shadow:inset 0 3px 0 -.5px var(--ink)}.col-cell.strike{color:#8a95b3}.col-cell.strike:after{content:"";border-top:2.5px solid var(--ink-red);position:absolute;top:50%;left:6px;right:6px;transform:rotate(-22deg)}.col-cell.focus{background:#ffdd0073}.sheet-steps{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.sheet-step{cursor:pointer;border-radius:8px;align-items:flex-start;gap:10px;margin-left:-6px;padding:4px 6px;display:flex}.sheet-step.current{background:#ffdd0047}.step-num{border:2px solid var(--ink);width:28px;height:28px;color:var(--ink);border-radius:50%;flex:none;place-items:center;margin-top:2px;font:700 1rem Kalam,cursive;display:grid}.sheet-step.final .step-num{background:var(--ink-green);border-color:var(--ink-green);color:#fff}.step-body{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.step-text{font-size:1.2rem}.step-line{transform-origin:0;padding-left:8px;font-size:1.6rem;font-weight:700}.sheet-step.final .step-line,.sheet-step.final .step-text{color:var(--ink-green)}.step-visual{justify-content:flex-start}.step-visual .visual{max-width:min(100%,380px)!important}.paper-controls{border-top:1px dashed #1f3f944d;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding-top:10px;display:flex}.paper-btn{color:var(--ink);border-color:#1f3f9466}.help-panel{width:min(760px,100%)}@media (width<=640px){.paper{--cell:30px;background-image:linear-gradient(90deg,#0000 30px,#d1262c8c 30px 32px,#0000 32px),linear-gradient(#608cd238 1px,#0000 1px),linear-gradient(90deg,#608cd238 1px,#0000 1px);padding-left:40px}.paper:before{left:6px}.col-cell{font-size:1.5rem}}.timer-bar{font:600 1.1rem var(--font-body);background:var(--surface);border:2px solid var(--border);font-variant-numeric:tabular-nums;border-radius:999px;flex-wrap:wrap;justify-content:center;align-self:center;gap:24px;padding:6px 18px;display:flex}.timer-bar.is-paused{opacity:.6}.note{background:color-mix(in srgb, var(--blue) 16%, transparent);border:2px solid var(--blue);border-radius:12px;padding:8px 14px}.task-card.is-retry{border-color:var(--orange)}.feedback-retry{background:color-mix(in srgb, var(--orange) 18%, transparent);border:2px solid var(--orange)}.btn.tried{opacity:.45;text-decoration:line-through}.help-button.pulse{animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{box-shadow:0 4px 0 var(--gold-deep), 0 0 0 0 #ffcf4ab3;transform:scale(1)}50%{box-shadow:0 4px 0 var(--gold-deep), 0 0 0 12px #ffcf4a00;transform:scale(1.08)}}.practice label.inline{flex-wrap:wrap;min-width:0;max-width:100%}.practice label.inline select{flex:200px;min-width:0}.avatar-edit{cursor:pointer;background:0 0;border:none;border-radius:50%;margin:0 auto;padding:6px;display:inline-block;position:relative}.avatar-edit:hover{background:var(--surface)}.avatar-edit-badge{background:var(--gold);width:38px;height:38px;box-shadow:0 3px 0 var(--gold-deep);border-radius:50%;place-items:center;font-size:1.4rem;display:grid;position:absolute;bottom:4px;right:0}.avatar-picker-big .avatar-picker{justify-content:center}.avatar-picker-big .avatar-picker button{width:64px;height:64px;font-size:2.3rem}.modal-backdrop{overflow-y:auto}.speak-button{cursor:pointer;border:2px solid var(--border);background:var(--surface-2);min-width:48px;height:48px;color:var(--text);font:700 1rem var(--font-display);border-radius:999px;align-items:center;gap:8px;padding:0 12px;display:inline-flex;box-shadow:0 3px #0000004d}.speak-button span:first-child{font-size:1.4rem}.speak-button.is-speaking{border-color:var(--gold);background:color-mix(in srgb, var(--gold) 25%, var(--surface-2));animation:1s ease-in-out infinite speaking}.speak-button.hint-me{animation:1.2s ease-in-out infinite pulse}@keyframes speaking{50%{box-shadow:0 3px 0 #0000004d, 0 0 0 6px color-mix(in srgb, var(--gold) 30%, transparent)}}.paper .speak-button{color:var(--ink);background:#fff;border-color:#1f3f9459;height:40px}.question-row{justify-content:center;align-items:center;gap:12px;display:flex}.question-row .task-question{flex:1}.speak-button.is-on{border-color:var(--green)}.paper .speak-button.is-on{border-color:var(--ink-green)}.balance-chip{font:800 1.1rem var(--font-display);color:var(--gold);background:var(--surface);border:2px solid var(--border);font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:6px;padding:4px 14px;text-decoration:none;display:inline-flex}.streak-meter{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.streak-meter .pip{border:2px solid var(--gold);border-radius:50%;width:16px;height:16px}.streak-meter .pip.on{background:var(--gold);box-shadow:0 0 8px var(--gold)}.coin-burst{pointer-events:none;z-index:70;place-items:center;display:grid;position:fixed;inset:0}.coin-fly{font:800 2.4rem var(--font-display);color:var(--gold);text-shadow:0 3px 0 var(--gold-deep);opacity:0;animation:1.6s ease-out forwards coin-fly;position:absolute}.coin-fly.minus{color:var(--red);text-shadow:none}@keyframes coin-fly{0%{opacity:0;transform:translateY(40px)scale(.6)}20%{opacity:1;transform:translateY(0)scale(1.15)}70%{opacity:1;transform:translateY(-60px)scale(1)}to{opacity:0;transform:translateY(-160px)scale(.8)}}.coin-rain{position:absolute;inset:0;overflow:hidden}.coin-rain .coin{font-size:2rem;animation:1.8s ease-in forwards coin-rain;position:absolute;top:-40px}@keyframes coin-rain{to{transform:translateY(110vh)rotate(540deg)}}.jackpot{font:800 clamp(1.6rem, 6vw, 2.4rem) var(--font-display);color:var(--gold);text-align:center;text-shadow:0 3px 0 var(--gold-deep);animation:.6s ease-in-out 3 jackpot}@keyframes jackpot{50%{transform:scale(1.12)rotate(-2deg)}}.statement section+section{margin-top:16px}.statement ul{margin:0;padding:0;list-style:none}.statement-day{color:var(--text-muted);text-transform:capitalize;margin-bottom:6px;font-size:1rem}.statement-row{border-bottom:1px solid var(--border);grid-template-columns:auto 1fr auto;align-items:baseline;gap:12px;padding:8px 0;display:grid}.statement-time{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:.9rem}.statement-text{flex-direction:column;min-width:0;display:flex}.statement-note{color:var(--text-muted);overflow-wrap:anywhere;font-size:.9rem}.statement-amount{font:800 1.15rem var(--font-display);font-variant-numeric:tabular-nums;white-space:nowrap}.statement-amount.plus{color:var(--green)}.statement-amount.minus{color:var(--red)}@media (prefers-reduced-motion:reduce){.coin-burst{display:none}}.correction-card{flex-direction:column;gap:10px;display:flex}.correction-card.is-overdue,.task-card.is-overdue{border-color:var(--red)}.correction-question{font:700 1.3rem var(--font-display);margin:0}.overdue-text{color:var(--red);font-weight:700}.your-try{margin:0;font-size:1.1rem}.your-try s{color:var(--red);font-weight:700}.tip-box{text-align:left}.correction-banner{border-color:var(--orange);background:color-mix(in srgb, var(--orange) 12%, var(--surface));text-align:left;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.correction-banner.is-overdue{border-color:var(--red);background:color-mix(in srgb, var(--red) 14%, var(--surface))}.worksheet-row{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;display:flex}.topic-checks{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:6px 16px;display:grid}.level-box{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.level-bar{background:var(--bg-deep);border:1px solid var(--border);border-radius:999px;width:90px;height:10px;overflow:hidden}.level-bar span{background:linear-gradient(90deg, var(--gold), var(--green));height:100%;transition:width .5s;display:block}.badge-repeat{color:var(--blue);border-color:var(--blue)}.learning{text-align:center;border-radius:14px;padding:10px 14px;font-weight:700}.learning-up{background:color-mix(in srgb, var(--gold) 20%, transparent);border:2px solid var(--gold)}.scan-thumbs{flex-wrap:wrap;gap:10px;display:flex}.scan-thumb{flex-direction:column;align-items:center;gap:4px;width:120px;margin:0;display:flex}.scan-thumb img,.scan-pdf{object-fit:cover;border:2px solid var(--border);background:var(--bg-deep);border-radius:8px;place-items:center;width:120px;height:160px;font-weight:800;display:grid}.scan-thumb figcaption{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:.75rem;overflow:hidden}.spinner{border:3px solid var(--border);border-top-color:var(--gold);vertical-align:-.15em;border-radius:50%;width:1em;height:1em;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.scan-pages{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:16px;display:grid}.scan-page{margin:0}.scan-frame{box-shadow:var(--shadow);background:#fff;border-radius:8px;position:relative;overflow:hidden}.scan-frame img{width:100%;height:auto;display:block}.scan-box{border:4px solid #0000;border-radius:6px;position:absolute}.scan-box.box-correct{background:#1f9d571f;border-color:#1f9d57}.scan-box.box-wrong{background:#d1262c1f;border-color:#d1262c}.scan-box.box-illegible{background:#f08c0026;border-color:#f08c00}.scan-box.box-review{border-style:dashed;border-color:#6ab8ff}.scan-badge{filter:drop-shadow(0 1px 1px #0006);font-size:1.4rem;position:absolute;top:-14px;right:-10px}.result-table td{vertical-align:top}.result-table .row-correct .num{color:var(--green)}.result-table .row-wrong .num,.result-table .row-illegible .num{color:var(--red)}.result-total td{border-top:2px solid var(--text);font-weight:800}.review-row{border-bottom:1px solid var(--border);grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 0;display:grid}.review-row img{background:#fff;border-radius:6px;max-width:100%}.review-row.needs{background:color-mix(in srgb, var(--blue) 10%, transparent);border-radius:10px;padding:12px}@media (width<=700px){.review-row{grid-template-columns:1fr}}.drop-zone{border:2px dashed #0000;border-radius:14px;margin:-8px;padding:8px;transition:border-color .15s,background .15s}.drop-zone.dragging{border-color:var(--gold);background:color-mix(in srgb, var(--gold) 12%, transparent)}.drop-hint{color:var(--text-muted);margin:0;font-size:.9rem}@media (hover:none){.drop-hint{display:none}}.review-row.disputed{background:color-mix(in srgb, var(--gold) 14%, transparent);border-radius:10px;padding:12px}.result-table .row-disputed td{background:color-mix(in srgb, var(--gold) 12%, transparent)}.scan-box.box-partial{background:#f5b30126;border-color:#c9a400}.result-table .row-partial .num{color:var(--gold)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.module-badge{border:2px solid var(--module-color,var(--border));background:var(--surface-2);vertical-align:middle;white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:1px 8px;font-size:.85rem;line-height:1.5;display:inline-flex}.module-badge.is-general{border-color:var(--border)}.module-filter{gap:8px}.module-tiles{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;width:100%;display:grid}.module-tile{border-radius:var(--radius);border:3px solid var(--module-color,var(--border));background:var(--surface);min-height:150px;box-shadow:var(--shadow);color:var(--text);text-align:center;font-family:var(--font-display);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;font-size:1.35rem;font-weight:700;text-decoration:none;display:flex}.module-tile .module-tile-icon{font-size:3rem;line-height:1}.module-tile:hover,.module-tile:focus-visible{transform:translateY(-2px)}.module-tile.is-soon{opacity:.5;box-shadow:none;cursor:default;border-style:dashed}.module-tile.is-soon:hover{transform:none}.module-tile .soon{font-family:var(--font-body);color:var(--text-muted);font-size:.85rem;font-weight:600}.home-balance{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;width:100%;display:flex}.progress-track{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;width:100%;height:16px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--gold-deep), var(--gold));height:100%;transition:width .6s}.progress-fill.is-full{background:linear-gradient(90deg, #1f9d5a, var(--green))}.payout-card{text-align:left;width:100%}@media (prefers-reduced-motion:reduce){.progress-fill{transition:none}.module-tile:hover{transform:none}}