:root{--color-bg: #fff8ec;--color-bg-surface: #fffdf8;--color-bg-surface-2: #f7ead4;--color-text-primary: #3d2b1f;--color-text-secondary: #6b5646;--color-text-tertiary: #7a6656;--color-text-disabled: #b7a99d;--color-border: #e6d2b6;--color-primary: #a94524;--color-primary-hover: #8f381d;--color-primary-pressed: #772e18;--color-on-primary: #ffffff;--color-accent-honey: #e5a63a;--color-accent-honey-soft: #fff0bd;--color-accent-leaf: #5e7c45;--color-accent-leaf-soft: #e7efd9;--color-accent-sky: #5d8798;--color-accent-wood: #79543a;--color-success: #2f7047;--color-success-bg: #e2f2e6;--color-retry: #795f4c;--color-retry-bg: #f2e6d8;--color-focus: #68458a;--color-overlay: rgba(61, 43, 31, .42);--font-display: "Arial Rounded MT Bold", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--text-display-32: 32px;--text-title-24: 24px;--text-heading-20: 20px;--text-body-17: 17px;--text-caption-14: 14px;--radius-sm: 12px;--radius-md: 20px;--radius-lg: 28px;--radius-pill: 999px;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-xxl: 32px;--space-xxxl: 48px;--motion-fast: .15s;--motion-base: .25s;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-size-adjust:100%}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.app{max-width:480px;margin:0 auto;min-height:100%;padding:calc(var(--safe-top) + var(--space-xl)) var(--space-lg) calc(var(--safe-bottom) + 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img{width:52px;height:52px}.welcome-start{margin-top:var(--space-lg)}.mode-cards{display:flex;flex-direction:column;gap:var(--space-lg);width:100%;margin-top:var(--space-xl)}.mode-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-lg) var(--space-xl);background:var(--color-bg-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:transform var(--motion-fast) ease,border-color var(--motion-fast) ease,background var(--motion-fast) ease}.mode-card:hover{border-color:var(--color-accent-honey)}.mode-card:active{transform:scale(.97);background:var(--color-bg-surface-2)}.mode-preview{display:flex;align-items:center;justify-content:center;gap:var(--space-md);min-height:56px}.mode-preview img{background:var(--color-accent-leaf-soft);border-radius:var(--radius-pill);padding:6px}.mode-title{font-family:var(--font-display);font-size:var(--text-title-24);font-weight:700;line-height:1.3;color:var(--color-text-primary)}.mode-description{font-size:var(--text-body-17);font-weight:500;line-height:1.5;color:var(--color-text-secondary);text-align:center}.mode-arrow{position:absolute;right:var(--space-lg);top:50%;transform:translateY(-50%);color:var(--color-accent-honey);font-size:14px}.settings-entry{margin-top:auto}.game-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);width:100%}.game-count{color:var(--color-text-secondary);min-width:44px;text-align:left}.progress-track{flex:1;height:10px;border-radius:var(--radius-pill);background:var(--color-bg-surface-2);overflow:hidden}.progress-fill{height:100%;border-radius:var(--radius-pill);background:var(--color-accent-honey);transition:width var(--motion-base) 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var(--color-border);border-radius:var(--radius-md);cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:transform var(--motion-fast) ease,background var(--motion-fast) ease,border-color var(--motion-fast) ease}.food-card img{width:48px;height:48px;pointer-events:none}.food-card .food-name{font-size:var(--text-body-17);font-weight:500;line-height:1.4;color:var(--color-text-primary)}.food-card .food-category{font-size:var(--text-caption-14);font-weight:500;line-height:1.3;color:var(--color-text-secondary);background:var(--color-bg-surface-2);border-radius:var(--radius-pill);padding:1px 8px}.food-card:active:not(:disabled){transform:scale(.96)}.food-card:disabled{opacity:.55;cursor:default}.food-card.correct:disabled{opacity:1}.food-card.correct{background:var(--color-success-bg);border-color:var(--color-success)}.food-card.correct 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ease}.switch-btn[aria-checked=true]:after{transform:translate(24px)}.science-note{margin:0;background:var(--color-accent-leaf-soft);border-radius:var(--radius-sm);padding:var(--space-md);color:var(--color-text-secondary);font-size:var(--text-caption-14);line-height:1.5}.reset-area{display:flex;flex-direction:column;gap:var(--space-md);border-top:1px solid var(--color-border);padding-top:var(--space-lg)}.btn-reset{height:48px;padding:12px 20px;border:2px solid var(--color-primary);border-radius:var(--radius-pill);background:var(--color-bg-surface);color:var(--color-primary);font-size:var(--text-body-17);font-weight:500;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform var(--motion-fast) ease}.btn-reset:active{transform:scale(.97)}.reset-warning{margin:0;font-size:var(--text-body-17);font-weight:500}.reset-actions{display:flex;justify-content:center;gap:var(--space-md);flex-wrap:wrap}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{background:radial-gradient(circle at 12% 8%,rgba(229,166,58,.14) 0 3px,transparent 4px),radial-gradient(circle at 88% 18%,rgba(94,124,69,.12) 0 4px,transparent 5px),linear-gradient(180deg,#fffaf0 0%,var(--color-bg) 55%,#f9efd9 100%);background-size:72px 72px,96px 96px,auto}.welcome-hero{width:100%;margin-top:var(--space-lg);padding:var(--space-xl) var(--space-lg);border:2px solid rgba(229,166,58,.34);border-radius:36px 36px 28px 28px;background:linear-gradient(155deg,#fffdf8,#fff0bd);box-shadow:0 12px 28px #79543a1a}.welcome-faces{flex-wrap:nowrap;gap:var(--space-sm);width:100%}.welcome-faces img{width:68px;height:68px;padding:4px;border:2px solid rgba(255,255,255,.8);border-radius:48% 52% 46% 54%;background:#ffffff94;filter:drop-shadow(0 5px 5px rgba(61,43,31,.12))}.welcome-faces img:nth-child(2n){transform:translateY(5px) rotate(2deg)}.welcome-faces img:nth-child(odd){transform:rotate(-2deg)}.playtime-welcome,.playtime-chip{margin:0;padding:6px 12px;border-radius:var(--radius-pill);background:#fffdf8d6;color:var(--color-text-secondary);font-size:var(--text-caption-14);font-weight:600}.mode-card{overflow:hidden;border-color:#79543a3d;box-shadow:0 8px 20px #79543a14}.mode-card:first-child{background:linear-gradient(145deg,#fffdf8,#eef5df)}.mode-card:nth-child(2){background:linear-gradient(145deg,#fffdf8,#e9f3f5)}.mode-preview img{filter:drop-shadow(0 3px 3px rgba(61,43,31,.12))}.game-page{gap:var(--space-lg)}.playtime-chip{align-self:flex-start;border:1px solid var(--color-border);background:var(--color-bg-surface)}.stage-area{position:relative;overflow:hidden;isolation:isolate;border:2px solid rgba(94,124,69,.2);box-shadow:0 14px 28px #3d2b1f1a}.stage-area:before,.stage-area:after{content:"";position:absolute;z-index:-1;border-radius:50%}.stage-area:before{width:160px;height:92px;right:-28px;bottom:-34px;background:#5e7c4529}.stage-area:after{width:110px;height:70px;left:-22px;bottom:-30px;background:#e5a63a24}.habitat-ocean{background:linear-gradient(180deg,#dff3f6,#bfe2e8);border-color:#5d879847}.habitat-pond{background:linear-gradient(180deg,#e9f5df,#cfe8db)}.habitat-grassland{background:linear-gradient(180deg,#fff0bd,#e8efcf)}.habitat-birds{background:linear-gradient(180deg,#e3f1f5,#f7ead4)}.habitat-reptile{background:linear-gradient(180deg,#eff3d7,#d9e8c9)}.habitat-farm{background:linear-gradient(180deg,#fff1d2,#f4dfc9)}.stage-sparkles{position:absolute;inset:14px 18px auto;z-index:2;display:flex;justify-content:space-between;color:#a9452461;pointer-events:none}.animal-sound-btn{position:relative;z-index:3;min-height:44px;margin-top:-6px;padding:8px 16px;border:1px solid rgba(121,84,58,.24);border-radius:var(--radius-pill);background:#fffdf8e6;color:var(--color-text-primary);font-size:var(--text-caption-14);font-weight:700;cursor:pointer}.food-card{min-height:142px;padding:var(--space-sm);border-color:#79543a38;box-shadow:0 7px 16px #3d2b1f14}.illustration-frame{width:68px;height:68px;display:grid;place-items:center;border-radius:46% 54% 50% 50%;background:linear-gradient(145deg,#fffdf8,#f7ead4);box-shadow:inset 0 0 0 2px #e6d2b694}.food-card:nth-child(2) .illustration-frame{transform:rotate(2deg)}.food-card:nth-child(3) .illustration-frame{transform:rotate(-2deg)}.food-card img{width:58px;height:58px;filter:drop-shadow(0 3px 2px rgba(61,43,31,.1))}.animal-card .illustration-frame{width:76px;height:76px}.animal-card img{width:68px;height:68px}.completion-page,.rest-page{padding-top:var(--space-xl)}.celebration-stars,.rest-moon{color:var(--color-accent-honey);font-family:var(--font-display);font-size:36px}.animal-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.completion-animal{padding:var(--space-sm);background:linear-gradient(145deg,#fffdf8,#f7ead4);box-shadow:0 5px 12px #3d2b1f12}.rest-page{justify-content:center;min-height:calc(100dvh - 48px)}.rest-friends{display:flex;align-items:flex-end;justify-content:center;gap:var(--space-sm);width:100%;padding:var(--space-xl);border-radius:40px;background:linear-gradient(180deg,#e8f1e3,#fff0bd);box-shadow:0 12px 28px #3d2b1f1a}.rest-friends img{filter:drop-shadow(0 5px 4px rgba(61,43,31,.12))}.rest-friends img:nth-child(2){width:96px;height:96px}.rest-copy{max-width:360px;color:var(--color-text-secondary)}.rest-ideas{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-sm)}.rest-ideas span{padding:8px 12px;border-radius:var(--radius-pill);background:var(--color-bg-surface-2);font-size:var(--text-caption-14)}.rest-note{color:var(--color-text-tertiary)}@media(max-width:359px){.app{padding-left:var(--space-md);padding-right:var(--space-md)}.welcome-faces img{width:54px;height:54px}.food-options{gap:var(--space-sm)}.food-card{min-width:0;padding:6px 4px}.illustration-frame{width:60px;height:60px}.food-card img{width:52px;height:52px}.food-card .food-category{padding-inline:5px}.animal-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(prefers-reduced-motion:no-preference){.welcome-faces img{animation:friend-bob 3.4s ease-in-out infinite alternate}.welcome-faces img:nth-child(2n){animation-delay:-1.2s}@keyframes friend-bob{to{translate:0 -4px}}}