: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) + var(--space-xl));display:flex;flex-direction:column}.page{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-xl)}.display-32{font-family:var(--font-display);font-size:var(--text-display-32);font-weight:700;line-height:1.2;margin:0}.title-24{font-family:var(--font-display);font-size:var(--text-title-24);font-weight:700;line-height:1.3;margin:0}.heading-20{font-family:var(--font-display);font-size:var(--text-heading-20);font-weight:700;line-height:1.35;margin:0}.body-17{font-size:var(--text-body-17);font-weight:500;line-height:1.5;margin:0}.caption-14{font-size:var(--text-caption-14);font-weight:500;line-height:1.45;margin:0}.btn-primary{height:56px;padding:16px 24px;border:none;border-radius:var(--radius-pill);background:var(--color-primary);color:var(--color-on-primary);font-family:var(--font-display);font-size:var(--text-heading-20);font-weight:700;line-height:1.35;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:background var(--motion-fast) ease,transform var(--motion-fast) ease}.btn-primary:hover{background:var(--color-primary-hover)}.btn-primary:active{background:var(--color-primary-pressed);transform:scale(.98)}.btn-primary:disabled{background:var(--color-text-disabled);cursor:default}.btn-secondary{height:48px;padding:12px 20px;border:none;border-radius:var(--radius-pill);background:var(--color-bg-surface-2);color:var(--color-text-primary);font-size:var(--text-body-17);font-weight:500;line-height:1.5;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:transform var(--motion-fast) ease}.btn-secondary:active{transform:scale(.97)}.icon-btn{width:48px;height:48px;min-width:48px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-bg-surface);color:var(--color-text-primary);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}.icon-btn:active,.icon-btn.holding{transform:scale(.92);background:var(--color-bg-surface-2)}.welcome{justify-content:flex-start}.welcome-hero{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);margin-top:var(--space-xxl)}.welcome-guide{color:var(--color-text-secondary)}.welcome-faces{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-md);margin-top:var(--space-sm)}.welcome-faces img{width:52px;height:52px}.welcome-start{margin-top:var(--space-lg)}.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}.game-dots{flex:1;display:flex;justify-content:center;gap:var(--space-xs)}.progress-dot{width:10px;height:10px;border-radius:50%;background:var(--color-border)}.progress-dot.filled{background:var(--color-accent-honey)}@media(max-width:360px){.progress-dot{width:8px;height:8px}.game-dots{gap:3px}}.stage-area{width:100%;background:var(--color-accent-leaf-soft);border-radius:var(--radius-lg);padding:var(--space-lg)}.stage-canvas{position:relative;width:100%;aspect-ratio:16 / 11;overflow:hidden;border-radius:var(--radius-md)}.stage-canvas canvas{display:block;border-radius:var(--radius-md)}.stage-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;margin:0;color:var(--color-text-secondary);font-size:var(--text-body-17)}.game-question{color:var(--color-text-primary)}.food-options{display:flex;gap:var(--space-md);width:100%}.food-card{position:relative;flex:1;min-width:88px;min-height:88px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-xs);padding:var(--space-md);background:var(--color-bg-surface);border:2px solid 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 .food-name{color:var(--color-success)}.food-card.retry{background:var(--color-retry-bg);border-color:var(--color-retry)}.food-card.retry .food-name{color:var(--color-retry)}.card-badge{position:absolute;top:6px;right:6px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}.correct-badge{background:var(--color-success);color:#fff}.retry-badge{background:var(--color-retry);color:#fff}.feedback{min-height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md)}.feedback-retry{margin:0;color:var(--color-retry);font-size:var(--text-body-17);font-weight:500}.feedback-success{display:inline-flex;align-items:center;gap:var(--space-xs);margin:0;color:var(--color-success);font-size:var(--text-body-17);font-weight:500}.feedback-muted{margin:0;color:var(--color-text-secondary);font-size:var(--text-caption-14)}.storage-note{margin:0;color:var(--color-text-tertiary);font-size:var(--text-caption-14)}.animal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md);width:100%}.completion-animal{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md)}.completion-animal img{width:56px;height:56px}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:flex-end;justify-content:center;padding:var(--space-lg);background:var(--color-overlay)}.parent-sheet{position:relative;width:100%;max-width:480px;max-height:85vh;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-lg);background:var(--color-bg-surface);border-radius:var(--radius-lg);padding:var(--space-xl);padding-bottom:calc(var(--space-xl) + var(--safe-bottom));box-shadow:0 8px 32px #3d2b1f2e}.sheet-close{position:absolute;top:var(--space-lg);right:var(--space-lg)}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.setting-rows-top{align-items:flex-start}.setting-label{font-size:var(--text-body-17);font-weight:500}.setting-value{font-size:var(--text-body-17);color:var(--color-text-secondary);text-align:right}.switch-btn{position:relative;width:56px;height:44px;padding:0;border:none;border-radius:var(--radius-pill);background:transparent;cursor:pointer;flex-shrink:0}.switch-btn:before{content:"";position:absolute;top:6px;left:0;width:100%;height:32px;border-radius:var(--radius-pill);background:var(--color-text-disabled);transition:background var(--motion-base) ease}.switch-btn[aria-checked=true]:before{background:var(--color-accent-leaf)}.switch-btn:after{content:"";position:absolute;top:9px;left:3px;width:26px;height:26px;border-radius:50%;background:#fff;transition:transform var(--motion-base) 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}}