#game-root{--bb-accent:#10B981;--bb-accent-dark:#0c8d64;--bb-accent-light:#e3f9ef;--bb-accent-border:#a7f3d0;--bb-glass-bg:rgba(255, 255, 255, .62);--bb-glass-border:rgba(255, 255, 255, .45)}.kwg-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.bb-wrap{max-width:640px;margin:0 auto}.bb-loading,.bb-error{text-align:center;padding:48px 16px}.bb-loading-icon,.bb-error-icon{font-size:40px;margin-bottom:10px}.bb-loading-icon{animation:bb-pulse 1.2s ease-in-out infinite}.bb-loading-text{font-size:15px;font-weight:600;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.2)}.bb-error-text{font-size:15px;font-weight:700;color:#fff;background:#ef4444;display:inline-block;padding:6px 16px;border-radius:999px}.bb-header{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:18px}.bb-header-icon{display:flex;font-size:30px;line-height:1}.bb-header-icon img{display:block;height:38px;width:auto}.bb-header-title{font-size:22px;font-weight:800;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.2)}.bb-levels{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.bb-level-card{display:flex;flex-direction:column;border:1px solid var(--bb-glass-border);border-radius:var(--kw-radius,12px);background:var(--bb-glass-bg);backdrop-filter:blur(14px)saturate(160%);-webkit-backdrop-filter:blur(14px)saturate(160%);padding:0;cursor:pointer;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.12);transition:transform .15s ease,box-shadow .15s ease}.bb-level-card:hover{transform:translateY(-4px);box-shadow:0 10px 18px rgba(0,0,0,.14)}.bb-level-card:active{transform:translateY(-1px)}.bb-level-thumb{margin-top:10px;display:flex;align-items:center;justify-content:center;height:70px;font-size:36px;background:linear-gradient(135deg,var(--bb-accent-light),var(--bb-accent-border));background-size:70px 70px;background-repeat:no-repeat;background-position:50%}.bb-level-body{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 10px 16px}.bb-level-name{font-size:17px;font-weight:800;color:var(--kw-text,#2D2A32);text-align:center}.bb-level-age{font-size:14px;font-weight:700;color:var(--bb-accent-dark);background:var(--bb-accent-light);padding:2px 10px;border-radius:999px}.bb-level-row{justify-content:space-between;align-items:center;margin-bottom:10px}.bb-level-pill{display:inline-flex;align-items:center;gap:5px;background:var(--bb-accent-light);color:var(--bb-accent-dark);border-radius:999px;padding:6px 12px;font-weight:700;font-size:12px}.bb-level-pill-icon{display:inline-flex;line-height:1}.bb-level-pill-icon img{display:block;width:14px;height:14px;object-fit:cover;border-radius:50%}.bb-change-level-btn{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--bb-glass-border);background:var(--bb-glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--bb-accent-dark);border-radius:999px;font-weight:700;font-size:12px;line-height:1;cursor:pointer;padding:6px 12px 6px 10px;transition:transform .1s ease,background .15s ease}.bb-change-level-btn svg{width:12px;height:12px}.bb-change-level-btn:hover{background:rgba(255,255,255,.8);transform:translateY(-1px)}.bb-progress{height:8px;border-radius:999px;background:var(--bb-accent-light);overflow:hidden;margin-bottom:12px}.bb-progress-fill{height:100%;width:0;background:var(--bb-accent);border-radius:999px;transition:width .3s ease}.bb-stat-row{justify-content:center;gap:8px;margin-bottom:14px}.bb-stat{display:inline-flex;align-items:center;gap:5px;background:var(--bb-accent-light);color:var(--bb-accent-dark);border-radius:999px;padding:6px 14px;font-weight:700;font-size:14px}.bb-stat-icon{line-height:1}.bb-btn-primary,.bb-btn-secondary{border:none;padding:12px 22px;border-radius:999px;font-weight:800;font-size:14px;cursor:pointer;transition:transform .1s ease}.bb-btn-primary{background:var(--bb-accent);color:#fff;box-shadow:0 3px 0 var(--bb-accent-dark)}.bb-btn-primary:hover{transform:translateY(-1px)}.bb-btn-secondary{background:var(--bb-accent-light);color:var(--bb-accent-dark)}.bb-btn-secondary:hover{background:var(--bb-accent-border)}.bb-btn-primary svg,.bb-btn-secondary svg{vertical-align:-2px}.bb-tool-art{display:block;width:34px;height:51px;flex:none}.bb-tool-big{width:56px;height:84px}.bb-tool-mid{width:44px;height:66px}.bb-tool-xs{width:18px;height:27px}.bb-food-art{display:block;width:32px;height:32px;flex:none}.bb-food-sm{width:24px;height:24px}.bb-food-xs{display:inline-block;width:18px;height:18px;vertical-align:-4px}.bb-bird-art{display:block;width:150px;height:125px;flex:none}.bb-bird-sm{width:84px;height:70px}.bb-bird-xs{width:60px;height:50px}.bb-key{position:absolute;top:5px;left:6px;font-size:10px;font-weight:800;width:17px;height:17px;line-height:17px;text-align:center;border-radius:50%;background:var(--bb-accent-light);color:var(--bb-accent-dark)}.bb-panel[hidden],.bb-stage[hidden],.bb-overlay[hidden],.bb-feedback[hidden]{display:none}.bb-task,.bb-reveal{background:var(--bb-glass-bg);backdrop-filter:blur(14px)saturate(160%);-webkit-backdrop-filter:blur(14px)saturate(160%);border:1px solid var(--bb-glass-border);border-radius:var(--kw-radius,12px);padding:14px 15px 16px;box-shadow:0 3px 12px rgba(0,0,0,.12);animation:bb-fade-in .25s ease}.bb-task-head,.bb-reveal-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}.bb-task-text,.bb-reveal-title{flex:1;min-width:0;font-size:17px;font-weight:800;line-height:1.35;color:var(--kw-text,#2D2A32)}.bb-rack{display:grid;grid-template-columns:repeat(auto-fit,minmax(104px,1fr));gap:10px}.bb-rack-tool{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px 10px;border:2px solid var(--bb-accent-border);border-radius:var(--kw-radius,12px);background:#fff;cursor:pointer;font:inherit;box-shadow:0 3px 0 var(--bb-accent-border);transition:transform .12s ease,box-shadow .12s ease}.bb-rack-tool .bb-tool-art{width:44px;height:66px;transform:rotate(22deg)}.bb-rack-tool:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 6px 0 var(--bb-accent-border),0 8px 16px rgba(0,0,0,.1)}.bb-rack-tool:active:not(:disabled){transform:scale(.97)}.bb-rack-name{font-size:15px;font-weight:800;color:var(--kw-text,#2D2A32)}.bb-rack-result{display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:700;color:var(--bb-accent-dark)}.bb-rack-result svg:first-child{width:12px;height:12px}.bb-rack-untested{color:#64748b}.bb-rack-done{cursor:default;background:var(--bb-accent-light);box-shadow:none;opacity:.8}.bb-tool-hero{display:flex;align-items:center;justify-content:center;gap:10px;margin:-4px 0 12px;font-size:18px;font-weight:800;color:var(--kw-text,#2D2A32)}.bb-tool-hero .bb-tool-art{transform:rotate(22deg)}.bb-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px}.bb-option{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:78px;padding:10px 6px 8px;border:2px solid var(--bb-accent-border);border-radius:var(--kw-radius,12px);background:#fff;cursor:pointer;font:inherit;box-shadow:0 3px 0 var(--bb-accent-border);transition:transform .12s ease,box-shadow .12s ease}.bb-option:hover:not(:disabled){transform:translateY(-2px)}.bb-option:active:not(:disabled){transform:scale(.97)}.bb-option:disabled{cursor:default}.bb-option-name{font-size:14px;font-weight:800;color:var(--kw-text,#2D2A32);line-height:1.25}.bb-option-wrong{border-color:#fca5a5;background:#fef2f2;box-shadow:none;opacity:.7;animation:bb-shake .3s ease}.bb-option-right{border-color:var(--bb-accent);background:var(--bb-accent-light);box-shadow:0 0 0 3px var(--bb-accent-border);animation:bb-pop .3s ease}.bb-option-mark{position:absolute;top:4px;right:6px;font-size:14px;font-weight:900}.bb-option-wrong .bb-option-mark::after{content:'✗';color:#dc2626}.bb-option-right .bb-option-mark::after{content:'✓';color:var(--bb-accent-dark)}.bb-tool-options .bb-option{flex-direction:row;min-height:54px;padding-left:22px}.bb-text-options{grid-template-columns:1fr}.bb-text-options .bb-option{min-height:0;align-items:flex-start;padding:12px 30px;text-align:left}.bb-text-options .bb-key{top:50%;margin-top:-8.5px}.bb-feedback{display:flex;align-items:flex-start;gap:8px;margin-top:12px;padding:10px 12px;border-radius:var(--kw-radius,12px);background:#fff7ed;border:2px solid #fdba74;font-size:15px;font-weight:700;line-height:1.4;color:var(--kw-text,#2D2A32);animation:bb-fade-in .25s ease}.bb-feedback-good{background:#fff;border-color:var(--bb-accent-border)}.bb-feedback .kw-speak-btn{margin-left:auto;flex:none}.bb-result-title{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:800;color:#475569;margin-bottom:6px}.bb-result-tally{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:12px}.bb-result-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px 4px 6px;border-radius:999px;background:#fff;border:2px solid #e2e8f0;font-size:13px;font-weight:700;color:#475569}.bb-result-chip b{font-size:16px;color:var(--kw-text,#2D2A32)}.bb-result-best{border-color:var(--bb-accent);background:var(--bb-accent-light);color:var(--bb-accent-dark)}.bb-hud{display:flex;align-items:center;gap:10px;margin-bottom:8px}.bb-hud-tool{display:inline-flex;align-items:center;gap:5px;padding:4px 12px 4px 8px;border-radius:999px;background:#fff;font-size:14px;font-weight:800;color:var(--kw-text,#2D2A32);box-shadow:0 2px 6px rgba(0,0,0,.1)}.bb-hud-tool .bb-tool-art{transform:rotate(22deg)}.bb-timer{flex:1;height:12px;border-radius:999px;background:rgba(255,255,255,.7);overflow:hidden}.bb-timer-fill{height:100%;background:var(--bb-accent);border-radius:999px;transform-origin:left center}.bb-timer-low{background:#f59e0b}.bb-hud-secs{min-width:34px;font-size:15px;font-weight:900;color:var(--bb-accent-dark);background:#fff;border-radius:999px;padding:3px 8px;text-align:center}.bb-tally{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:8px}.bb-tally-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 10px 2px 5px;border-radius:999px;background:rgba(255,255,255,.85);font-size:15px;font-weight:900;color:var(--kw-text,#2D2A32)}.bb-tally-bump{animation:bb-pop .3s ease}.bb-canvas-wrap{position:relative;border-radius:calc(var(--kw-radius,12px) + 4px);overflow:hidden;box-shadow:0 4px 14px rgba(0,0,0,.16);background:#bbf7d0}.bb-canvas{display:block;width:100%;aspect-ratio:4/3;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;cursor:none}.bb-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:12px;background:rgba(15,23,42,.28)}.bb-ready{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;max-width:320px;padding:16px 18px 18px;border-radius:var(--kw-radius,12px);background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2);text-align:center;animation:bb-pop .3s ease}.bb-ready-tool .bb-tool-art{transform:rotate(22deg)}.bb-ready-text{font-size:16px;font-weight:800;line-height:1.35;color:var(--kw-text,#2D2A32)}.bb-ready-guess{font-size:13px;font-weight:700;color:var(--bb-accent-dark)}.bb-ready-say{position:absolute;top:8px;right:8px}.bb-start-btn{min-width:160px;font-size:18px;padding:12px 26px}.bb-start-btn:focus-visible,.bb-next-btn:focus-visible{outline:3px solid #fff;outline-offset:3px}.bb-timesup{padding:14px 26px;border-radius:999px;background:#fff;font-size:24px;font-weight:900;color:var(--bb-accent-dark);box-shadow:0 8px 24px rgba(0,0,0,.2);animation:bb-pop .3s ease}.bb-msg{display:flex;align-items:flex-start;gap:8px;margin-top:10px;padding:10px 12px;border-radius:var(--kw-radius,12px);background:#fff;border:2px solid var(--bb-accent-border);min-height:48px}.bb-msg-new{animation:bb-fade-in .25s ease}.bb-msg-text{flex:1;min-width:0;font-size:15px;font-weight:700;line-height:1.4;color:var(--kw-text,#2D2A32)}.bb-reveal-guess{margin:-4px 0 12px;padding:8px 12px;border-radius:var(--kw-radius,12px);background:#eff6ff;border:2px solid #bfdbfe;font-size:14px;font-weight:700;color:#1e3a8a;line-height:1.4}.bb-bird-card{display:flex;flex-direction:column;align-items:center;padding:12px 12px 14px;border-radius:var(--kw-radius,12px);background:linear-gradient(180deg,#f0f9ff,#fff);border:2px solid #bae6fd;text-align:center;animation:bb-pop .35s ease}.bb-bird-pics{display:flex;align-items:center;justify-content:center;gap:10px}.bb-bird-pics .bb-tool-art{transform:rotate(22deg)}.bb-bird-eq{font-size:26px;font-weight:900;color:#0369a1}.bb-bird-name{font-size:19px;font-weight:900;color:#0c4a6e;margin:4px 0}.bb-bird-fact{font-size:15px;font-weight:600;line-height:1.45;color:#334155}.bb-next-row{display:flex;flex-direction:column;align-items:center;margin:14px 0 2px}.bb-next-row:empty{display:none}.bb-btn-primary.bb-next-btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;max-width:300px;min-height:52px;padding:12px 24px;font-size:18px;box-shadow:0 4px 0 var(--bb-accent-dark),0 6px 16px rgba(16,185,129,.35);animation:bb-next-in .35s ease}.bb-next-fill{position:absolute;inset:0;background:rgba(255,255,255,.28);transform:scaleX(0);transform-origin:left center;transition:transform .1s linear;pointer-events:none}.bb-next-label{position:relative;display:inline-flex;align-items:center;gap:6px}.bb-next-label svg{width:16px;height:16px}.bb-next-count{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.25);font-size:14px}.bb-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 12px;margin-bottom:8px}.bb-legend-item{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;color:#475569}.bb-legend-item i{display:inline-block;width:12px;height:12px;border-radius:3px}.bb-chart-box{background:#fff;border-radius:var(--kw-radius,12px);padding:8px 6px 4px;margin-bottom:12px}.bb-chart{display:block;width:100%;height:auto}.bb-birds-row{display:flex;flex-wrap:wrap;justify-content:center;gap:4px;margin:-4px 0 10px}.bb-done-card{text-align:center;background:var(--bb-glass-bg);backdrop-filter:blur(14px)saturate(160%);-webkit-backdrop-filter:blur(14px)saturate(160%);border:1px solid var(--bb-glass-border);border-radius:var(--kw-radius,12px);padding:32px 20px;box-shadow:0 3px 12px rgba(0,0,0,.12);animation:bb-pop .3s ease}.bb-done-emoji{font-size:56px;margin-bottom:8px}.bb-done-title{font-size:20px;font-weight:800;color:var(--bb-accent-dark);margin-bottom:6px}.bb-done-score{font-size:16px;font-weight:600;color:#555;margin-bottom:10px}.bb-done-stars{font-size:24px;letter-spacing:4px}.bb-done-sub{font-size:14px;font-weight:600;color:#475569;margin-top:10px}.bb-gallery{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px}.bb-gallery-item{display:flex;flex-direction:column;align-items:center;gap:2px;width:96px;padding:6px 4px 8px;border-radius:var(--kw-radius,12px);background:#fff}.bb-gallery-name{font-size:13px;font-weight:800;color:var(--kw-text,#2D2A32)}.bb-gallery-pair{display:flex;align-items:center;gap:4px}.bb-gallery-pair .bb-tool-art{transform:rotate(22deg)}.bb-done-share{justify-content:center;margin-top:16px}.bb-done-actions{justify-content:center;margin-top:20px}@keyframes bb-fade-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes bb-pop{0%{transform:scale(.85)}100%{transform:scale(1)}}@keyframes bb-shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-5px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(3px)}}@keyframes bb-pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.15);opacity:.7}}@keyframes bb-next-in{0%{transform:scale(.85);opacity:0}70%{transform:scale(1.04);opacity:1}100%{transform:scale(1)}}@media(max-width:420px){.bb-task,.bb-reveal{padding:12px 11px 14px}.bb-task-text,.bb-reveal-title{font-size:16px}.bb-rack{grid-template-columns:repeat(2,1fr)}.bb-options{grid-template-columns:repeat(auto-fit,minmax(80px,1fr))}.bb-text-options{grid-template-columns:1fr}.bb-tool-options{grid-template-columns:repeat(2,1fr)}.bb-bird-art{width:120px;height:100px}.bb-bird-sm{width:72px;height:60px}.bb-bird-xs{width:50px;height:42px}.bb-gallery-item{width:84px}.bb-hud-tool span{display:none}.bb-msg-text{font-size:14px}}@media(prefers-reduced-motion:reduce){.bb-task,.bb-reveal,.bb-bird-card,.bb-next-btn,.bb-ready,.bb-msg-new{animation:none}.bb-next-fill{transition:none}}