*{box-sizing:border-box;margin:0;padding:0;touch-action:manipulation}:root{--bg-base: #eee8da;--bg-surface: rgba(255, 250, 240, .82);--bg-surface-hover: rgba(231, 221, 200, .92);--bg-elevated: rgba(255, 250, 240, .98);--color-primary: #1f5a4e;--color-primary-glow: rgba(31, 90, 78, .2);--color-accent: #d9972c;--color-success: #4f8c65;--color-danger: #d96c55;--color-warning: #c77a2b;--text-primary: #293b32;--text-secondary: #65756d;--text-muted: #899087;--border-default: rgba(23, 58, 51, .2);--border-subtle: rgba(23, 58, 51, .1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--icon-radius: 18px;--font-display: Georgia, "Times New Roman", serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, monospace}html,body{height:100%;background:var(--bg-base);color:var(--text-primary);font-family:var(--font-display);overflow:hidden;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}#app{position:relative;width:100%;height:100dvh;overflow:hidden;background:radial-gradient(ellipse at 50% 0%,#faf5e9,#eee8da 72%)}#stage{--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);width:100%;height:100%;position:relative;overflow:hidden}#stage canvas{display:block;touch-action:none}.hidden{display:none!important}#loading-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#faf5e9,#eee8da 82%);z-index:60;transition:opacity .4s ease}#loading-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}.loading-card{text-align:center;padding:32px 40px}.loading-icon{width:80px;height:80px;object-fit:contain;margin-bottom:24px;border-radius:var(--icon-radius);transform:translateZ(0)}.loading-bar{width:220px;height:6px;background:#173a331f;border-radius:999px;overflow:hidden;margin:0 auto 12px;transform:translateZ(0)}#loading-bar-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));transition:width .2s ease}.loading-pct{color:var(--text-secondary);font-size:14px;font-family:var(--font-mono)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#123b329e;backdrop-filter:blur(3px);z-index:50;padding:24px}.overlay.hidden{display:none}.overlay-card{width:100%;max-width:400px;background:var(--bg-elevated);border:2px solid var(--border-default);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;box-shadow:0 24px 60px #123b3247;transform:translateZ(0)}.overlay-card h2{font-size:28px;font-weight:700;letter-spacing:1px;margin-bottom:16px;color:var(--color-primary)}.overlay-kicker{margin-bottom:6px;color:var(--color-danger);font-family:Arial,system-ui,sans-serif;font-size:11px;font-weight:900;letter-spacing:.7px;text-transform:uppercase}.overlay-card p{color:var(--text-secondary);margin-bottom:16px;line-height:1.5}.overlay-actions{display:flex;gap:12px;justify-content:center;margin-top:8px}.pause-settings{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}#pause-overlay .overlay-card{text-align:left}#pause-overlay .overlay-card>.primary{width:100%;min-height:52px}#pause-overlay .overlay-card>p{margin-bottom:18px}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border-subtle);transform:translateZ(0)}.setting-row span{font-size:15px;font-weight:600;color:var(--text-primary)}.toggle-btn{position:relative;width:48px;height:44px;border-radius:22px;border:none;padding:0;min-width:unset;cursor:pointer;background:#173a3329;transition:background .2s;transform:translateZ(0);flex-shrink:0}.toggle-btn:after{content:"";position:absolute;top:7px;left:7px;width:30px;height:30px;border-radius:50%;background:var(--text-muted);transition:transform .2s,background .2s}.toggle-btn[aria-checked=true]{background:var(--color-primary)}.toggle-btn[aria-checked=true]:after{background:#fff;transform:translate(10px)}button.primary,button.secondary,button.danger{border:none;border-radius:var(--radius-md);padding:12px 24px;font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.5px;cursor:pointer;transform:translateZ(0);transition:transform .12s,background .15s;min-width:120px;min-height:48px}button.primary{background:linear-gradient(135deg,#1f5a4e,#174039);color:#fffaf0}button.primary:hover{transform:translateZ(0) translateY(-1px)}button.primary:disabled,button.secondary:disabled,button.danger:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-default)}button.danger{background:var(--color-danger);color:#fff}#result-overlay{padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}.overlay-card--result{display:flex;flex-direction:column;max-width:354px;max-height:none;flex-shrink:0;padding:22px 20px;overflow:visible;transform:scale(var(--result-fit-scale, 1));transform-origin:center;text-align:left}.result-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-shrink:0}.overlay-card--result .result-header h2{margin:0;font-size:20px;line-height:1.25;letter-spacing:0}.result-stats{flex-shrink:0}.result-stat{display:flex;align-items:baseline;gap:6px;font-size:12px;color:var(--text-secondary)}.result-stat strong{color:var(--color-primary);font-family:var(--font-mono);font-size:13px;font-variant-numeric:tabular-nums}.result-content{flex:0 0 auto;overflow:visible}.result-final{display:flex;flex-direction:column;align-items:center;gap:5px;margin:12px 0 0;padding-top:12px;border-top:1px solid var(--border-subtle)}.result-final-label{font-size:11px;letter-spacing:.06em;color:var(--text-secondary)}.result-final-score{max-width:100%;overflow-wrap:anywhere;font-size:48px;font-weight:800;color:var(--color-accent);font-family:var(--font-mono);font-variant-numeric:tabular-nums;line-height:1.1}.result-breakdown{padding-top:12px}.result-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:5px 0;font-size:13px;line-height:1.4;color:var(--text-secondary)}.result-row strong{flex-shrink:0;color:var(--text-primary);font-family:var(--font-mono);font-size:14px;font-variant-numeric:tabular-nums}.overlay-card--result .result-status{flex-shrink:0;margin:8px 0 0;font-size:12px;line-height:1.4;color:var(--color-danger)}.result-status:empty{display:none}.overlay-card--result .overlay-actions{flex-direction:column;flex-shrink:0;gap:8px;margin-top:16px}.overlay-card--result .overlay-actions button{width:100%;min-height:48px}.overlay-card--result.replay-result-card .overlay-actions{display:none}.overlay-card--result.replay-result-card .result-header{padding-right:38px}@media(max-width:360px){.overlay-card--result{padding:18px 16px}.overlay-card--result .result-header h2{font-size:18px}.result-final-score{font-size:42px}}@media(max-height:560px){.overlay-card--result{padding:16px}.result-final{margin:10px 0}.result-final-score{font-size:40px}.result-row{padding:4px 0}.overlay-card--result .overlay-actions{margin-top:12px}}.overlay-card--rules{padding:0;width:354px;max-width:none;height:476px;max-height:none;flex-shrink:0;display:grid;grid-template-rows:84px 292px 96px;overflow:visible;transform:scale(var(--rules-fit-scale, 1));transform-origin:center}.overlay-card--rules h2{margin-bottom:0}.rules-header{padding:20px 24px 8px;border-bottom:none;flex-shrink:0;text-align:left}.rules-footer{padding:12px 24px 20px;border-top:none;flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:8px}.rules-footer .primary{width:100%;height:48px;min-height:48px;padding:8px 16px}.rules-nav{display:flex;align-items:center;gap:16px}.rules-dots{display:flex;gap:7px;align-items:center}.rules-dot{width:8px;height:8px;border-radius:50%;background:var(--border-default);transition:background .2s,transform .2s;transform:translateZ(0)}.rules-dot.active{background:var(--color-primary);transform:scale(1.35);box-shadow:0 0 6px var(--color-primary-glow)}#rules-content{min-height:0;overflow:visible}.rules-page{height:100%;padding:4px 20px 8px;display:grid;grid-template-rows:228px 44px;gap:8px;text-align:center;animation:rules-page-enter .18s ease-out both}.overlay-card--rules h2{font-size:25px;line-height:1.22;letter-spacing:0}.rules-visual{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px;margin:0;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-surface);transform:translateZ(0)}.rules-board{--grid-size: 4;display:grid;grid-template-columns:repeat(var(--grid-size),minmax(0,1fr));gap:5px;width:min(100%,208px);aspect-ratio:1;padding:7px;border-radius:14px;background:#fff;box-shadow:0 3px 12px #4a3d2a12;transform:translateZ(0)}.rules-cell{position:relative;display:grid;place-items:center;min-width:0;aspect-ratio:1;border-radius:7px;background:#eadfce;transform:translateZ(0)}.rules-cell--line{background:#b9d7c8}.rules-cell--neighbor{background:#dca795}.rules-cell--animal{background:#cfb089}.rules-region-0{background:#f49ce3}.rules-region-1{background:#fa9d5a}.rules-region-2{background:#8bd176}.rules-region-3{background:#65b8c7}.rules-animal{display:block;width:90%;height:90%;object-fit:contain;user-select:none;pointer-events:none;filter:drop-shadow(0 1px 1px rgba(55,42,26,.12))}.rules-cell--animal .rules-animal{animation:rules-animal-enter .5s cubic-bezier(.2,.8,.3,1.3) var(--reveal-delay, 0ms) both}.rules-x{position:absolute;inset:26%}.rules-x:before,.rules-x:after{content:"";position:absolute;left:43%;top:-9%;width:18%;height:118%;border-radius:8px;background:#fff;transform:translateZ(0) rotate(45deg)}.rules-x:after{transform:translateZ(0) rotate(-45deg)}.rules-cell--neighbor .rules-x{animation:rules-mark-enter .26s ease-out var(--reveal-delay, 0ms) both}.rules-diagram-caption{color:var(--text-secondary);font-size:12px;font-weight:700;line-height:1.4;text-align:center}.overlay-card--rules .rules-page-body{color:var(--text-primary);font-size:14px;line-height:1.4;margin:0;align-self:center}.overlay-card--rules .rules-takeaway{margin:0;padding:9px 11px;border-left:3px solid var(--color-primary);border-radius:0 8px 8px 0;color:var(--color-primary);background:#1f5a4e0e;font-size:12px;font-weight:600;line-height:1.5;transform:translateZ(0)}.rules-interactions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%}.rules-gesture{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;min-height:100px;padding:10px 5px;border-radius:10px;background:#ffffffd9;transform:translateZ(0)}.rules-gesture-tile{display:grid;place-items:center;position:relative;width:48px;height:48px;border-radius:8px;background:#fa9d5a;transform:translateZ(0)}.rules-gesture-tile--tap .rules-x{animation:rules-mark-enter .28s ease-out .45s both}.rules-gesture-tile--double .rules-animal{animation:rules-animal-enter .5s ease-out .75s both}.rules-tap-pulse{position:absolute;inset:-5px;border:2px solid var(--color-primary);border-radius:12px;pointer-events:none;opacity:0;transform:translateZ(0);animation:rules-tap .4s ease-out .2s both}.rules-tap-pulse--second{animation-delay:.5s}.rules-sweep{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;width:100%;max-width:96px}.rules-sweep .rules-cell{background:#8bd176;border-radius:5px}.rules-sweep--mark .rules-x{animation:rules-sweep-mark 3.2s ease-in-out var(--sweep-delay, 0ms) 2 both}.rules-sweep--erase .rules-x{opacity:0;animation:rules-sweep-erase 3.2s ease-in-out var(--sweep-delay, 0ms) 2 both}@keyframes rules-page-enter{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes rules-animal-enter{0%{opacity:0;transform:scale(.65)}to{opacity:1;transform:scale(1)}}@keyframes rules-mark-enter{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}@keyframes rules-tap{0%{opacity:.65;transform:translateZ(0) scale(.8)}to{opacity:0;transform:translateZ(0) scale(1.12)}}@keyframes rules-sweep-mark{0%,15%{opacity:0;transform:scale(.4)}35%,to{opacity:1;transform:scale(1)}}@keyframes rules-sweep-erase{0%,15%{opacity:1;transform:scale(1)}35%,to{opacity:0;transform:scale(.4)}}#rules-overlay.hidden *{animation-play-state:paused!important}@media(prefers-reduced-motion:reduce){#rules-overlay .rules-page,#rules-overlay .rules-page *{animation:none!important}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:80ms!important}}.replay-end-overlay{position:fixed;inset:0;z-index:450;display:flex;align-items:center;justify-content:center;padding:16px;pointer-events:none;animation:replayCardIn .25s ease-out}@keyframes replayCardIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.replay-end-overlay .overlay-card.replay-result-card{pointer-events:auto;position:relative;width:min(86vw,360px);max-width:360px;max-height:calc(100dvh - 32px);overflow-y:auto;-webkit-overflow-scrolling:touch;padding:22px 22px 20px;text-align:center}.replay-result-card .replay-result-icon{font-size:38px;margin-bottom:4px;line-height:1}.replay-result-card h2{font-size:20px;margin-bottom:4px;color:var(--text-primary);letter-spacing:1px}.replay-result-card .result-final{margin:8px 0 14px}.replay-result-card .result-final-score{font-size:46px}.replay-result-card .result-breakdown{margin:0}.overlay-card--result.replay-result-card{position:relative}.replay-result-close{position:absolute;top:8px;right:8px;width:44px;height:44px;padding:0;border-radius:8px;border:1px solid var(--border-default);background:#173a330f;color:var(--text-secondary);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transform:translateZ(0)}.replay-result-close:active{background:#ffffff29}.replay-score-pill{position:fixed;left:50%;bottom:max(14px,env(safe-area-inset-bottom));z-index:451;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;border:1px solid var(--color-primary-glow);background:linear-gradient(135deg,#1f5a4e,#173a33);color:#fffaf0;font-size:14px;font-weight:800;cursor:pointer;transform:translate3d(-50%,0,0);box-shadow:0 8px 22px #123b3252}.replay-pill-icon{font-size:16px;line-height:1}.replay-pill-score{font-family:var(--font-mono);color:var(--color-accent);font-size:17px;font-weight:900;line-height:1}.replay-score-pill:active{transform:translate3d(-50%,0,0) scale(.97)}@media(max-width:480px){.replay-end-overlay{align-items:flex-end;padding:0}.replay-end-overlay .overlay-card.replay-result-card{width:100%;max-width:none;max-height:min(64dvh,460px);border-radius:18px 18px 0 0;border-left:none;border-right:none;border-bottom:none;padding:18px 18px calc(20px + env(safe-area-inset-bottom))}.replay-result-card .replay-result-icon{font-size:30px}.replay-result-card h2{font-size:17px}.replay-result-card .result-final-score{font-size:36px}.replay-result-card .result-row{font-size:13px}}@media(max-width:360px){.replay-result-card .result-final-score{font-size:30px}}.demo-result-card .result-header{display:block}.demo-result-card .result-stats{margin-top:12px;font-size:16px;line-height:1.5;white-space:normal}