:root{--bg:#1d2b1a;--panel:#2f4229;--panel-border:#121a10;--text:#f4f1e8;--muted:#b9c4b0;--primary:#3a7d2c;--primary-hi:#4fa13c;--right:#4fa13c;--wrong:#c8553d;--emerald:#3fe08a;--gold:#f5c542;color:var(--text);background:var(--bg);-webkit-tap-highlight-color:transparent;font-family:ui-rounded,Nunito,system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-height:100dvh;margin:0}h1,h2,h3{letter-spacing:.02em;margin:0 0 .5em}h1{font-size:2rem}.screen{flex-direction:column;gap:16px;max-width:960px;margin:0 auto;padding:12px 16px 32px;display:flex}.center{text-align:center;justify-content:center;align-items:center;min-height:80dvh;display:flex}.panel{background:var(--panel);border:4px solid var(--panel-border);padding:16px;box-shadow:inset -4px -4px #00000040,inset 4px 4px #ffffff14}.btn{font:inherit;color:var(--text);border:3px solid var(--panel-border);cursor:pointer;touch-action:manipulation;background:#5b6b55;min-height:48px;padding:10px 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var(--panel-border);background:#46593f;width:28px;height:12px}.progress .done{background:var(--emerald)}.progress .current{background:var(--gold)}.task{text-align:center}.prompt{margin:8px 0;font-size:clamp(1.5rem,5vw,2.4rem);font-weight:800}.answer-display{color:#1d2b1a;border:3px solid var(--panel-border);background:#f4f1e8;min-width:200px;max-width:360px;margin:12px auto;padding:8px;font-size:2rem;font-weight:800}.answer-display.right{background:#c9f0bd}.answer-display.wrong{background:#f3c4b8}.numpad{grid-template-columns:repeat(3,1fr);gap:8px;max-width:320px;margin:0 auto;display:grid}.numpad .btn{min-height:60px;font-size:1.6rem}.numpad .btn.wide{grid-column:1/-1;min-height:52px}.choices{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-top:12px;display:grid}.feedback.right{border-color:var(--right)}.feedback.wrong{border-color:var(--wrong)}.loot{color:var(--gold);flex-wrap:wrap;gap:12px;font-weight:700;display:flex}.buddy{border-color:var(--gold)}.actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.build{flex-direction:column;gap:12px;display:flex}.build .actions{justify-content:center}.world-wrap{position:relative}.world-canvas{touch-action:none;width:100%}.world-canvas canvas{max-width:100%;margin:0 auto;display:block;height:auto!important}.world-zoom{flex-direction:column;gap:6px;display:flex;position:absolute;top:8px;right:8px}.tool-round{opacity:.9;min-width:48px;min-height:48px;padding:0;font-size:1.4rem}.land-news{border-color:var(--emerald);flex-direction:column;gap:8px;display:flex}.land-news .loot,.land-next 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.btn{min-height:44px;padding:4px;font-size:1.2rem}.help-stage .written,.help-stage .strategy{gap:8px}.help-stage>.strategy{width:100%;min-width:0}.help-stage .sheet{font-size:clamp(1rem,4vw,1.3rem)}.help-stage .sheet-line{line-height:36px}.help-stage .sheet{background-size:100% 36px}.help-stage .answer-display{margin:4px auto;font-size:1.6rem}.help-controls{background:var(--panel);border-top:3px solid var(--panel-border);flex-wrap:wrap;justify-content:center;gap:8px;margin:0 -16px -16px;padding:10px 16px 16px;display:flex;position:sticky;bottom:0}.help-controls .btn{min-width:56px;min-height:52px;font-size:1.3rem}.help-controls{flex-wrap:nowrap}.help-controls .btn.primary{flex:auto;min-width:0;max-width:220px;font-size:1.1rem}.tap-here{outline:4px solid var(--gold);animation:.7s ease-in-out infinite alternate tap}@keyframes tap{0%{box-shadow:0 0 #f5c542e6}to{transform:scale(1.06);box-shadow:0 0 0 10px #f5c54200}}@media 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24px;display:flex}.checks .setting{margin:4px 0}.recipient{overflow-wrap:anywhere;font-weight:600}.recipient-events{flex-wrap:wrap;align-items:center;gap:4px 16px;display:flex}.recipient-events .setting{margin:0}.number-line{border:3px solid var(--panel-border);background:#fbfaf4;width:100%;max-width:640px;padding:4px}.number-line .nl-axis,.number-line .nl-tick{stroke:#1d2b1a;stroke-width:4px}.number-line .nl-head{fill:#1d2b1a}.number-line .nl-label{fill:#1d2b1a;font:700 28px ui-monospace,SF Mono,Menlo,monospace}.number-line .nl-arrow{stroke:#1a4f8a;fill:#1a4f8a;stroke-width:4px}.number-line .nl-letter{stroke:none;font:800 30px ui-rounded,system-ui,sans-serif}.board{color:#1d2b1a;border:3px solid var(--panel-border);white-space:pre;background:#fbfaf4;max-width:100%;padding:10px 18px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:clamp(1.3rem,5vw,1.9rem);font-weight:700;overflow-x:auto}.board-line{line-height:1.6}.board-rule{color:#1d2b1a;line-height:.6}.board .blot{color:#2b4fa0;font-size:1.25em;line-height:1}.board .blank.active{background:var(--gold);border-radius:4px}.help-stage .board{font-size:clamp(1.1rem,4vw,1.4rem)}.panel.info summary{cursor:pointer;align-items:center;min-height:48px;font-size:1.2rem;font-weight:800;display:flex}.panel.info h3{margin-top:16px}.panel.info ul{padding-left:20px;line-height:1.5}.panel.info p{line-height:1.5}.panel.info .topics{max-width:520px}.panel.info summary{gap:10px;list-style:none}.panel.info summary::-webkit-details-marker{display:none}.panel.info summary:before{content:"▸";transition:transform .15s}.panel.info[open] summary:before{transform:rotate(90deg)}.subject-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;max-width:520px;margin:24px auto;display:grid}.btn.subject{flex-direction:column;justify-content:center;align-items:center;gap:6px;min-height:120px;display:flex}.subject-icon{font-size:2.4rem;line-height:1}.subject-setting{margin-top:18px;font-size:1.1rem}div.off>.subject-setting{opacity:.6}.circuit{border:3px solid var(--panel-border);border-radius:12px;width:100%;max-width:420px;margin:8px auto;display:block}.sort{flex-direction:column;align-items:center;gap:14px;width:100%;margin-top:8px;display:flex}.sort-pool{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.sort-bins{grid-auto-columns:1fr;grid-auto-flow:column;gap:10px;width:100%;max-width:620px;display:grid}.sort-bin{border:3px dashed var(--panel-border);cursor:pointer;background:#0000002e;flex-direction:column;gap:8px;min-width:0;min-height:140px;padding:8px;display:flex}.sort-bin.ready{border-color:var(--gold)}.sort-bin-title{width:100%;padding:8px 6px;font-size:1.1rem}.sort-bin-cards{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.btn.sort-card{color:#1d2b1a;background:#f4f1e8;min-height:48px;padding:8px 12px;font-size:1.05rem}.btn.sort-card.selected{outline:4px solid var(--gold)}.btn.sort-card.moved{outline:3px dashed var(--gold)}.sort-moved{font-weight:800}.lernwort-form textarea{min-height:48px;font:inherit;flex:260px;padding:8px}.lernwoerter{flex-wrap:wrap;gap:6px;margin:8px 0 12px;padding:0;list-style:none;display:flex}.lernwoerter li{border-left:4px solid var(--gold);background:#0003;align-items:center;gap:6px;padding:2px 2px 2px 10px;display:flex}.lernwoerter li.box-mid{border-left-color:#8fb3e0}.lernwoerter li.box-done{border-left-color:#6fcf6f}.lernwoerter small{opacity:.75}.lernwoerter .btn.small{min-height:32px;padding:2px 8px}.subject-block{background:#0000001f;border:2px solid #ffffff1f;margin:8px 0}.subject-block.off{opacity:.65}.subject-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:4px 12px;display:flex}.subject-head .subject-setting{margin:0}.subject-toggle{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:none;flex:1;justify-content:flex-end;align-items:center;gap:10px;min-height:48px;padding:0 4px;display:inline-flex}.subject-toggle.muted{cursor:default}.subject-toggle .chevron{color:var(--text);text-align:center;width:1.2em;font-size:1.6rem;line-height:1}.subject-body{border-top:1px solid #ffffff1a;padding:0 12px 12px}.subject-body h4{margin:16px 0 8px}.subject.done{opacity:.6}.subject .subject-done{margin-top:4px;font-size:.8rem;font-weight:600;display:block}.rounds-limit{text-align:left;flex-flow:wrap;justify-content:flex-start;align-items:center;gap:10px;margin:8px 0 12px;display:flex}.rounds-limit small{color:var(--muted);flex-basis:100%;font-weight:400}.rounds-limit select{min-height:44px}.subject-today{color:var(--muted);font-size:.85rem}.ranking{flex-direction:column;gap:12px;display:flex}.ranking .tabs{gap:8px;display:flex}.ranking-note{color:var(--muted);margin:0}.ranking-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.ranking-list li{background:#0000002e;grid-template-columns:3rem 1fr auto;align-items:center;gap:8px;padding:10px 12px;font-size:1.15rem;font-weight:700;display:grid}.ranking-list li.me{outline:3px solid var(--gold);background:#f5c54226}.ranking-list .place{text-align:center;font-size:1.5rem}.ranking-list .blocks{align-items:center;gap:6px;display:inline-flex}.home-title{line-height:1.25}.home-title-lead{color:var(--muted);font-size:.75em;font-weight:500}.feedback.no-reward{border-color:var(--gold)}.penalty-news{border-color:var(--wrong);text-align:left;margin-bottom:12px}