:root,[data-theme=dark]{--bg: #2a2438;--bg-gradient-mid: #4c3d62;--surface: #3a3148;--surface-elevated: #453a56;--surface-hover: #4d425f;--border: rgba(255, 182, 214, .22);--glass-border: rgba(255, 255, 255, .14);--text: #fdf2f8;--muted: #c4b5d4;--accent: #ff8fb8;--accent-secondary: #c9a8ff;--accent-dim: #e86fa0;--success: #7ee0b8;--danger: #ff8a8a;--shadow-sm: 0 4px 16px rgba(0, 0, 0, .28);--shadow-lg: 0 18px 48px rgba(0, 0, 0, .38);--radius: 20px;--radius-pill: 999px;--font: "Noto Sans SC", "Nunito", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "ZCOOL KuaiLe", "Nunito", "Noto Sans SC", cursive, sans-serif;--title-weight: 650;--layer-shine: linear-gradient(180deg, rgba(255, 255, 255, .38) 0%, rgba(255, 255, 255, 0) 48%);--bottle-neck-shade: linear-gradient( 90deg, rgba(0, 0, 0, .16), rgba(255, 255, 255, .08), rgba(0, 0, 0, .12) )}[data-theme=light]{--bg: #fff8fc;--bg-gradient-mid: #ffd6ec;--surface: #ffffff;--surface-elevated: #fff5f9;--surface-hover: #ffeef6;--border: rgba(236, 72, 153, .2);--glass-border: rgba(0, 0, 0, .07);--text: #4a3d55;--muted: #8b7a99;--accent: #ff6b9d;--accent-secondary: #b388ff;--accent-dim: #e85a8a;--success: #5ecf9f;--danger: #ff7b7b;--shadow-sm: 0 4px 18px rgba(236, 72, 153, .12);--shadow-lg: 0 20px 50px rgba(139, 92, 168, .14);--layer-shine: linear-gradient(180deg, rgba(255, 255, 255, .62) 0%, rgba(255, 255, 255, 0) 52%);--bottle-neck-shade: linear-gradient( 90deg, rgba(0, 0, 0, .06), rgba(255, 255, 255, .42), rgba(0, 0, 0, .08) )}*,*:before,*:after{box-sizing:border-box}html{color-scheme:dark}html[data-theme=light]{color-scheme:light}html,body{margin:0;min-height:100%;font-family:var(--font);background:radial-gradient(ellipse 100% 85% at 50% -15%,var(--bg-gradient-mid) 0%,transparent 58%),radial-gradient(ellipse 80% 50% at 100% 100%,color-mix(in srgb,var(--accent-secondary, #c9a8ff) 18%,transparent) 0%,transparent 55%),radial-gradient(ellipse 70% 45% at 0% 90%,color-mix(in srgb,var(--accent) 14%,transparent) 0%,transparent 50%),var(--bg);background-attachment:fixed;color:var(--text);-webkit-tap-highlight-color:color-mix(in srgb,var(--accent) 28%,transparent);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#app-main:focus{outline:none}.skip-link{position:absolute;left:-9999px;top:0;z-index:10000;padding:.5rem 1rem;border-radius:var(--radius);background:var(--surface);color:var(--text);border:2px solid var(--accent);font-size:.9rem;font-weight:600;text-decoration:none;box-shadow:var(--shadow-sm)}.skip-link:focus{left:max(1rem,env(safe-area-inset-left));top:max(1rem,env(safe-area-inset-top));outline:2px solid var(--accent);outline-offset:2px}#app{max-width:720px;margin:0 auto;min-height:100vh;min-height:100dvh;padding:1rem 1rem 2rem;padding-bottom:calc(2rem + env(safe-area-inset-bottom))}h1{font-size:clamp(1.2rem,4vw,1.45rem);font-weight:var(--title-weight);margin:0;letter-spacing:-.02em;text-wrap:balance}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:.55rem 1rem;border-radius:var(--radius);font-size:.95rem;cursor:pointer;transition:background .15s,border-color .15s,transform .12s}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:hover{border-color:var(--muted);background:var(--surface-hover)}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(145deg,var(--accent) 0%,var(--accent-dim) 100%);border-color:color-mix(in srgb,var(--accent-dim) 85%,#000 15%);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--accent) 35%,transparent),inset 0 1px #ffffff40}.btn-primary:hover{filter:brightness(1.06);box-shadow:0 6px 20px color-mix(in srgb,var(--accent) 42%,transparent),inset 0 1px #ffffff4d}.btn-ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--text);background:color-mix(in srgb,var(--surface) 60%,transparent)}.btn-small{padding:.35rem .65rem;font-size:.85rem}.btn-large{padding:.75rem 1.5rem;font-size:1.05rem}.btn-icon{width:2.25rem;height:2.25rem;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-pill);font-size:1.1rem;line-height:1}.hidden{display:none!important}.home{text-align:center;padding:1.5rem 0 2rem;position:relative}.home:before{content:"";position:absolute;inset:-.5rem 0 auto;height:11rem;left:50%;width:min(22rem,100%);transform:translate(-50%);background:radial-gradient(ellipse 70% 60% at 50% 30%,color-mix(in srgb,var(--accent) 16%,transparent) 0%,transparent 72%);pointer-events:none;z-index:0}.home>*{position:relative;z-index:1}.home-top{display:flex;justify-content:flex-end;align-items:center;gap:.35rem;margin-bottom:1rem}.legal-top-actions{margin-bottom:.75rem}.lang-select{display:inline-flex;align-items:center}.lang-select-control{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;font-size:.85rem;padding:.35rem 1.75rem .35rem .55rem;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 12px) 55%,calc(100% - 8px) 55%;background-size:5px 5px;background-repeat:no-repeat}.lang-select-control:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.home-title{font-family:var(--font-display);font-size:clamp(1.85rem,6vw,2.35rem);font-weight:400;margin-bottom:.5rem;letter-spacing:.02em;text-wrap:balance;color:var(--text);text-shadow:0 2px 18px color-mix(in srgb,var(--accent) 25%,transparent)}.home-sub{color:var(--muted);margin:0 auto 1.25rem;line-height:1.6;max-width:22rem;font-size:.95rem}.home-mode{display:grid;grid-template-columns:1fr 1fr;gap:.65rem;max-width:22rem;margin:0 auto 1.35rem;width:100%}.home-mode-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0;padding:.65rem .55rem;border-radius:var(--radius);border:2px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;text-align:center;transition:border-color .15s ease,box-shadow .15s ease,transform .12s ease}.home-mode-btn:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--border))}.home-mode-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.home-mode-btn--active{border-color:var(--accent);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}.home-mode-title{display:block;font-weight:700;font-size:.95rem;margin-bottom:.2rem}.home-mode-desc{display:block;font-size:.72rem;color:var(--muted);line-height:1.35}.home-actions{display:flex;flex-direction:column;gap:.85rem;align-items:center}.home-footer{margin-top:2rem;font-size:.9rem;color:var(--muted)}.home-footer a{color:var(--muted);text-decoration:underline;text-underline-offset:2px}.home-footer a:hover{color:var(--accent)}.home-footer a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.home-footer-sep{margin:0 .35rem;-webkit-user-select:none;user-select:none}.legal-page{max-width:36rem;margin:0 auto;padding:0 1rem 2rem}.legal-body{text-align:left;line-height:1.65;font-size:.95rem}.legal-body h2{font-size:1.05rem;margin:1.25rem 0 .5rem;font-weight:600}.legal-body p{margin:.5rem 0}.legal-meta{font-size:.85rem;color:var(--muted);padding:.75rem;background:var(--surface-elevated);border-radius:var(--radius);border:1px solid var(--border)}.legal-muted{font-size:.85rem;color:var(--muted);margin-top:1.5rem}.legal-body code{font-size:.88em;padding:.1em .35em;border-radius:4px;background:var(--surface-elevated)}.app-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.app-header h1{flex:1;text-align:center;font-size:clamp(1.15rem,3.5vw,1.35rem);font-family:var(--font-display);font-weight:400;text-wrap:balance}.level-list{display:flex;flex-direction:column;gap:.85rem}.level-list a.level-card{text-decoration:none;color:inherit}.level-list-mode-hint{text-align:center;font-size:.82rem;color:var(--muted);margin:-.35rem 0 1rem;line-height:1.4}.home-actions a.btn{display:inline-block;text-align:center;text-decoration:none}.level-card{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:.75rem 1rem;text-align:left;width:100%;padding:1rem 1.15rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .18s ease,border-color .15s,box-shadow .18s ease}.level-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.level-card-body{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.level-card-badge{display:flex;align-items:center;justify-content:center;min-width:2.25rem;height:2.25rem;padding:0 .45rem;border-radius:10px;background:var(--surface-elevated);border:1px solid var(--border);font-size:.8rem;font-weight:700;color:var(--muted)}.level-card-random{border-style:dashed;border-width:2px;background:linear-gradient(135deg,var(--surface) 0%,color-mix(in srgb,var(--success) 12%,var(--surface)) 100%)}.level-card-random .level-card-badge{font-size:1.1rem;background:color-mix(in srgb,var(--success) 18%,var(--surface));border-color:color-mix(in srgb,var(--success) 45%,var(--border))}.level-card-random:hover{border-color:var(--success)}.level-card-title{font-weight:600;font-size:1.05rem}.level-card-meta{font-size:.85rem;color:var(--muted);margin-top:.2rem}.canvas-play-wrap{width:100%;height:min(52vh,440px);min-height:300px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);overflow:hidden;position:relative}.canvas-play-surface{display:block;width:100%;height:100%;vertical-align:top;cursor:pointer;touch-action:manipulation}.canvas-play-surface:focus{outline:none}.canvas-play-hint{font-size:.85rem;color:var(--muted);margin:.65rem 0 0;text-align:center;line-height:1.45}.play-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin-bottom:1.25rem;padding:.65rem .85rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.play-toolbar .back-btn{flex-shrink:0}.play-title{flex:1 1 140px;text-align:center;font-weight:600;font-size:clamp(.95rem,3vw,1.1rem);min-width:0}.play-stats{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem;font-size:.8rem;color:var(--muted);margin-left:auto}.stat-moves{white-space:nowrap;padding:.25rem .55rem;background:var(--surface-elevated);border-radius:var(--radius-pill);border:1px solid var(--border);color:var(--text);font-variant-numeric:tabular-nums}.play-actions{display:flex;flex-wrap:wrap;gap:.65rem;justify-content:center;max-width:28rem;margin:1.5rem auto 0}.bottle-board{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:center;align-items:flex-end;padding:.75rem 0;min-height:220px}.bottle-board--pruning{pointer-events:none}.bottle-wrap--pruning-out{pointer-events:none;animation:bottle-prune-pop .42s ease-in forwards;transform-origin:50% 100%}@keyframes bottle-prune-pop{0%{transform:scale(1) translateY(0);opacity:1;filter:brightness(1)}35%{transform:scale(1.06) translateY(-4px);filter:brightness(1.25)}to{transform:scale(.35) translateY(-28px);opacity:0;filter:brightness(1.4)}}.bottle-wrap{--layer-h: 26px;cursor:pointer;padding:5px;border-radius:16px;transition:box-shadow .2s ease,transform .2s ease}.bottle-wrap:focus,.bottle-wrap:focus-visible{outline:none}.bottle-wrap:active{transform:scale(.97)}.bottle-selected{box-shadow:0 0 0 3px var(--accent),0 6px 20px color-mix(in srgb,var(--accent) 35%,transparent);transform:scale(1.02)}.bottle-pour-flash .bottle-outline{animation:bottle-flash .22s ease-out}.bottle-figure{display:flex;flex-direction:column;align-items:center}.bottle-neck{width:22px;height:14px;background:var(--bottle-neck-shade);border-left:2px solid var(--glass-border);border-right:2px solid var(--glass-border);border-radius:0 0 4px 4px;box-shadow:inset 0 -2px 4px #00000026;flex-shrink:0}.bottle-shoulder{width:52px;height:9px;flex-shrink:0;clip-path:polygon(15px 0,37px 0,100% 100%,0 100%);background:linear-gradient(180deg,#ffffff14,#0000001f);border-bottom:2px solid var(--glass-border);box-shadow:inset 0 1px #ffffff1a}@keyframes bottle-flash{0%{filter:brightness(1.35);box-shadow:inset 0 0 12px #ffffff80}to{filter:brightness(1);box-shadow:none}}.bottle-shake{animation:bottle-shake .45s ease}@keyframes bottle-shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(5px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.bottle-outline{width:52px;border:3px solid var(--glass-border);border-radius:0 0 14px 14px;border-top:none;background:linear-gradient(180deg,#ffffff0f,#0003);box-shadow:inset 0 2px 12px #ffffff0f,inset 0 -4px 12px #00000040;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}.bottle-layers{display:flex;flex-direction:column-reverse;justify-content:flex-start;flex:0 0 auto;height:calc(var(--capacity, 4) * var(--layer-h));min-height:0}.bottle-layer{flex:0 0 calc(var(--run-count, 1) * var(--layer-h));height:calc(var(--run-count, 1) * var(--layer-h));min-height:calc(var(--run-count, 1) * var(--layer-h));border-top:1px solid color-mix(in srgb,var(--liquid, #888) 55%,#fff 45%);position:relative;box-shadow:inset 0 1px #ffffff1f,inset 0 -8px 14px color-mix(in srgb,var(--liquid, #888) 48%,#000 52%);background:radial-gradient(ellipse 130% 90% at 50% 0%,rgba(255,255,255,.28) 0%,transparent 58%),linear-gradient(180deg,color-mix(in srgb,var(--liquid, #888) 72%,#fff) 0%,color-mix(in srgb,var(--liquid, #888) 88%,#fff) 18%,var(--liquid, #888) 46%,color-mix(in srgb,var(--liquid, #888) 92%,#000) 72%,color-mix(in srgb,var(--liquid, #888) 78%,#000) 100%)}.bottle-layer:after{content:"";position:absolute;left:0;right:0;top:0;height:45%;background:linear-gradient(90deg,rgba(0,0,0,.06) 0%,transparent 38%,rgba(255,255,255,.12) 50%,transparent 62%,rgba(0,0,0,.06) 100%);pointer-events:none;opacity:.42;mix-blend-mode:soft-light}.bottle-pad{height:8px;flex-shrink:0;background:linear-gradient(180deg,#ffffff1a,#00000026);border-radius:0 0 10px 10px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;padding:1rem;padding-bottom:calc(1rem + env(safe-area-inset-bottom));overscroll-behavior:contain}@supports not (backdrop-filter: blur(6px)){.modal-overlay{background:#000000a6}}.modal{background:var(--surface);border:2px solid var(--border);border-radius:calc(var(--radius) + 4px);padding:1.75rem 1.5rem 1.5rem;max-width:340px;width:100%;text-align:center;box-shadow:var(--shadow-lg),inset 0 1px #ffffff73}[data-theme=dark] .modal{box-shadow:var(--shadow-lg),inset 0 1px #ffffff14}.modal-icon{font-size:2.5rem;line-height:1;margin-bottom:.35rem}.modal h2{margin:0 0 .35rem;font-size:1.45rem;font-family:var(--font-display);font-weight:400;letter-spacing:.02em;text-wrap:balance}.modal-sub{margin:0 0 1.25rem;font-size:.95rem;color:var(--muted);line-height:1.45}.modal-actions{display:flex;flex-direction:column;gap:.5rem;justify-content:center;align-items:stretch}.modal-actions .btn{width:100%}.modal-actions .btn-primary{order:-1}.onboarding-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:1rem;overscroll-behavior:contain}.onboarding-card{background:var(--surface);border:2px solid var(--border);border-radius:calc(var(--radius) + 4px);padding:1.5rem;max-width:360px;width:100%;box-shadow:var(--shadow-lg),inset 0 1px #ffffff73}[data-theme=dark] .onboarding-card{box-shadow:var(--shadow-lg),inset 0 1px #ffffff14}.onboarding-card h2{margin:0 0 .75rem;font-size:1.35rem;font-family:var(--font-display);font-weight:400;text-wrap:balance}.onboarding-steps{margin:0 0 1rem;padding-left:1.2rem;color:var(--muted);font-size:.92rem;line-height:1.65}.onboarding-steps li{margin-bottom:.35rem}.error-screen{text-align:center;padding:2rem}@media (prefers-reduced-motion: reduce){.level-card{transition:none}.level-card:hover{transform:none}.bottle-wrap{transition:none}.bottle-wrap:active{transform:none}.bottle-wrap--pruning-out{animation:none;opacity:0;transform:scale(.4)}.bottle-shake,.bottle-pour-flash .bottle-outline{animation:none}.btn{transition:none}.btn:active{transform:none}}