:root{--primary: #818cf8;--primary-dark: #6366f1;--primary-light: #312e81;--accent: #a78bfa;--gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #7c3aed 100%);--gradient-soft: linear-gradient(135deg, rgba(99,102,241,.15) 0%, rgba(168,85,247,.1) 100%);--bg: #0d0b1e;--card-bg: rgba(255,255,255,.05);--border: rgba(139,92,246,.25);--border-md: rgba(139,92,246,.4);--text: #e2e8f0;--text-muted: #94a3b8;--text-light: #64748b;--board-bg: transparent;--pool-bg: rgba(255,255,255,.04);--pool-border: rgba(139,92,246,.2);--shadow-xs: 0 1px 2px rgba(0,0,0,.3);--shadow-sm: 0 2px 8px rgba(0,0,0,.4);--shadow: 0 4px 16px rgba(0,0,0,.4);--shadow-lg: 0 12px 40px rgba(0,0,0,.5);--glow: 0 0 20px rgba(129,140,248,.4);--glow-lg: 0 0 40px rgba(129,140,248,.5);--radius-sm: 10px;--radius: 16px;--radius-lg: 22px;--ease: cubic-bezier(.4,0,.2,1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;background:#0d0b1e}.bg-decor{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.bg-decor .blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.45;animation:blobFloat 12s ease-in-out infinite alternate}.bg-decor .blob:nth-child(1){width:700px;height:700px;background:#4f46e5;top:-200px;left:-150px;animation-name:blob1;animation-duration:21s}.bg-decor .blob:nth-child(2){width:550px;height:550px;background:#7c3aed;bottom:-120px;right:-120px;animation-name:blob2;animation-delay:-2s;animation-duration:18s}.bg-decor .blob:nth-child(3){width:450px;height:450px;background:#6366f1;top:30%;left:40%;animation-name:blob3;animation-delay:-3s;animation-duration:24s}@keyframes blob1{0%{transform:translate(0)}33%{transform:translate(55vw,20vh)}66%{transform:translate(30vw,65vh)}to{transform:translate(0)}}@keyframes blob2{0%{transform:translate(0)}33%{transform:translate(-50vw,-30vh)}66%{transform:translate(-20vw,-70vh)}to{transform:translate(0)}}@keyframes blob3{0%{transform:translate(0)}33%{transform:translate(-40vw,40vh)}66%{transform:translate(35vw,-35vh)}to{transform:translate(0)}}.floating-puzzle{position:absolute;pointer-events:none;opacity:.25;width:80px;height:80px}.floating-puzzle svg{width:100%;height:100%;fill:#f59e0b;filter:drop-shadow(0 0 15px rgba(245,158,11,.3))}.floating-puzzle.puzzle-1{top:10%;left:5%;animation:puzzleFloat 16s ease-in-out infinite alternate}.floating-puzzle.puzzle-2{bottom:20%;right:10%;animation:puzzleFloat 20s ease-in-out infinite alternate;animation-delay:-4s}.floating-puzzle.puzzle-3{top:50%;left:60%;animation:puzzleFloat 18s ease-in-out infinite alternate;animation-delay:-8s}.floating-puzzle.puzzle-4{top:68%;left:22%;width:60px;height:60px;opacity:.18;animation:puzzleFloat 22s ease-in-out infinite alternate;animation-delay:-13s}.floating-puzzle.puzzle-4 svg{fill:#818cf8;filter:drop-shadow(0 0 12px rgba(129,140,248,.4))}.floating-puzzle.puzzle-5{top:15%;right:18%;width:70px;height:70px;opacity:.2;animation:puzzleFloat 14s ease-in-out infinite alternate;animation-delay:-6s}.floating-puzzle.puzzle-5 svg{fill:#e879f9;filter:drop-shadow(0 0 12px rgba(232,121,249,.4))}.floating-puzzle.puzzle-6{bottom:4%;right:38%;width:50px;height:50px;opacity:.15;animation:puzzleFloat 19s ease-in-out infinite alternate;animation-delay:-9s}.floating-puzzle.puzzle-6 svg{fill:#a855f7;filter:drop-shadow(0 0 10px rgba(168,85,247,.4))}@keyframes puzzleFloat{0%{transform:translate(0) rotate(0)}33%{transform:translate(60px,-100px) rotate(45deg)}66%{transform:translate(-80px,80px) rotate(-45deg)}to{transform:translate(0) rotate(360deg)}}#btn-fullscreen{position:fixed;bottom:16px;left:16px;z-index:200;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#818cf81f;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(129,140,248,.3);border-radius:12px;cursor:pointer;color:var(--text-muted);transition:color .15s,background .15s,box-shadow .15s}#btn-fullscreen:hover{color:var(--primary);background:#818cf833;box-shadow:0 0 16px #818cf84d}#btn-fullscreen svg{width:18px;height:18px}.app-container{position:relative;z-index:1;max-width:1000px;margin:0 auto;padding:12px 16px}.app-header{text-align:center;padding:20px 0 14px}.app-header .logo{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;background:var(--gradient);border-radius:16px;margin-bottom:10px;box-shadow:var(--glow)}.app-header .logo svg{color:#fff;width:28px;height:28px}.app-header h1{font-size:1.1rem;font-weight:800;letter-spacing:.04em;background:linear-gradient(135deg,#a5b4fc,#e879f9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-transform:uppercase}.screen{display:none}.screen.active{display:block;animation:fadeIn .3s var(--ease)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card{background:#ffffff0a;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:var(--radius);padding:22px;border:1px solid rgba(139,92,246,.22);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff0f;margin-bottom:12px}.card h2{font-size:1.1rem;font-weight:700;margin-bottom:8px;color:var(--text)}.card p{font-size:.88rem;color:var(--text-muted);line-height:1.65;margin-bottom:14px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border:none;border-radius:var(--radius-sm);font-size:.92rem;font-weight:700;cursor:pointer;transition:all .2s var(--ease);text-decoration:none;white-space:nowrap;letter-spacing:.02em}.btn svg{width:16px;height:16px;flex-shrink:0}.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 20px #6366f173,inset 0 1px #ffffff26}.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 30px #6366f199,inset 0 1px #fff3}.btn-accent{background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;box-shadow:0 4px 20px #7c3aed66}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 28px #7c3aed8c}.btn-secondary{background:#ffffff12;color:var(--text);border:1px solid rgba(139,92,246,.3)}.btn-secondary:hover{background:#ffffff1f;border-color:var(--primary)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.btn-sm{padding:7px 16px;font-size:.82rem}.btn-block{width:100%;justify-content:center}.field input,.field textarea{width:100%;border:1.5px solid rgba(139,92,246,.3);border-radius:var(--radius-sm);padding:11px 14px;font-size:.9rem;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s;background:#ffffff0d}.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #818cf826}.ai-input{display:flex;gap:8px;margin-bottom:14px}.ai-input input{flex:1;border:1.5px solid rgba(139,92,246,.3);border-radius:var(--radius-sm);padding:11px 14px;font-size:.9rem;outline:none;color:var(--text);background:#ffffff0d;transition:border-color .15s,box-shadow .15s}.ai-input input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #818cf826}.modal-overlay{display:none;position:fixed;inset:0;background:#000000b3;z-index:100;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}.modal-overlay.active{display:flex}.modal{background:#140f32f2;border-radius:var(--radius-lg);padding:30px;max-width:420px;width:100%;box-shadow:0 24px 80px #000000b3,inset 0 1px #ffffff12;border:1px solid rgba(139,92,246,.3);animation:modalIn .22s var(--ease)}@keyframes modalIn{0%{opacity:0;transform:scale(.94) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal h3{font-size:1.1rem;font-weight:700;margin-bottom:18px;text-align:center;color:var(--text)}.share-options{display:flex;flex-direction:column;gap:9px}.share-ext-row{display:flex;gap:8px}.share-ext-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px 6px;font-size:.78rem;font-weight:600}.share-ext-btn svg{flex-shrink:0}.share-link-box{display:flex;gap:8px;margin-top:10px}.share-link-box input{flex:1;border:1.5px solid rgba(139,92,246,.3);border-radius:var(--radius-sm);padding:9px 12px;font-size:.8rem;color:var(--text-muted);background:#ffffff0d;outline:none}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(calc(100% + 40px));padding:11px 22px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;z-index:200;transition:transform .25s var(--ease);pointer-events:none;white-space:normal;max-width:min(360px,calc(100vw - 32px));text-align:center;word-break:break-word;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08)}.toast.show{transform:translate(-50%) translateY(0)}.toast--info{background:#1e143cf2;color:#e2e8f0}.toast--success{background:#16654af2;color:#d1fae5}.toast--error{background:#b91c1cf2;color:#fee2e2}.loader{display:inline-block;width:22px;height:22px;border:2.5px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#welcome-hero-card{max-width:480px;width:100%;align-self:center;margin:0 auto;animation:cardGlow 5s ease-in-out infinite}@keyframes cardGlow{0%,to{box-shadow:0 8px 32px #0006,0 0 20px #818cf80f,inset 0 1px #ffffff0f}50%{box-shadow:0 8px 32px #0006,0 0 50px #a855f733,inset 0 1px #ffffff0f}}.welcome-hero{text-align:center;padding:22px 8px 14px;position:relative;overflow:visible}.hero-sparks{position:absolute;inset:-10px -30px;pointer-events:none;overflow:visible}.hero-spark{position:absolute;border-radius:50%;animation:heroSparkle var(--dur, 3s) ease-in-out var(--delay, 0s) infinite;opacity:0}.hero-spark.sp1{width:5px;height:5px;background:#818cf8;top:18%;left:4%;--dur:2.8s;--delay:0s}.hero-spark.sp2{width:4px;height:4px;background:#e879f9;top:10%;right:7%;--dur:3.2s;--delay:-.8s}.hero-spark.sp3{width:6px;height:6px;background:#a5b4fc;top:55%;left:3%;--dur:2.5s;--delay:-1.5s}.hero-spark.sp4{width:4px;height:4px;background:#818cf8;top:72%;right:5%;--dur:3.5s;--delay:-2s}.hero-spark.sp5{width:7px;height:7px;background:#f472b6;top:38%;left:6%;--dur:4s;--delay:-.5s}.hero-spark.sp6{width:3px;height:3px;background:#e879f9;top:24%;right:9%;--dur:2.2s;--delay:-3s}.hero-spark.sp7{width:5px;height:5px;background:#fbbf24;top:82%;left:14%;--dur:3.1s;--delay:-1.2s}.hero-spark.sp8{width:4px;height:4px;background:#c084fc;top:6%;left:42%;--dur:2.9s;--delay:-2.5s}@keyframes heroSparkle{0%,to{opacity:0;transform:scale(0) translateY(0)}15%{opacity:1;transform:scale(1.2) translateY(-4px)}55%{opacity:.7;transform:scale(.9) translateY(-14px)}85%{opacity:0;transform:scale(.3) translateY(-26px)}}.hero-logo-wrap{position:relative;z-index:1;width:130px;height:130px;margin:0 auto 30px;display:flex;align-items:center;justify-content:center}.hero-logo-core{position:relative;z-index:3;width:84px;height:84px;border-radius:26px;background:var(--gradient);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 1px #818cf84d,0 0 30px #818cf88c,0 0 70px #a855f74d,inset 0 1px #ffffff40;animation:logoBreath 3.5s ease-in-out infinite}.hero-logo-core svg{width:44px;height:44px;color:#fff;filter:drop-shadow(0 2px 10px rgba(0,0,0,.5));animation:logoWiggle 8s ease-in-out infinite}@keyframes logoBreath{0%,to{box-shadow:0 0 0 1px #818cf84d,0 0 30px #818cf88c,0 0 70px #a855f74d,inset 0 1px #ffffff40;transform:scale(1)}50%{box-shadow:0 0 0 1px #818cf880,0 0 50px #818cf8d9,0 0 100px #a855f780,inset 0 1px #ffffff40;transform:scale(1.055)}}@keyframes logoWiggle{0%,80%,to{transform:rotate(0)}85%{transform:rotate(12deg)}90%{transform:rotate(-8deg)}95%{transform:rotate(6deg)}}.hero-logo-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%;pointer-events:none}.hero-logo-ring--outer{width:124px;height:124px;border:1.5px solid transparent;border-top-color:#a855f7d9;border-right-color:#e879f973;border-bottom-color:#818cf826;animation:ringCW 7s linear infinite}.hero-logo-ring--inner{width:106px;height:106px;border:1px dashed rgba(129,140,248,.35);animation:ringCCW 11s linear infinite}@keyframes ringCW{to{transform:translate(-50%,-50%) rotate(360deg)}}@keyframes ringCCW{to{transform:translate(-50%,-50%) rotate(-360deg)}}.hero-orb{position:absolute;top:50%;left:50%;font-size:.55rem;line-height:1;pointer-events:none;z-index:4}.hero-orb.o1{color:#e879f9;filter:drop-shadow(0 0 5px #e879f9);animation:heroOrbit 5s linear infinite}.hero-orb.o2{color:#818cf8;filter:drop-shadow(0 0 5px #818cf8);font-size:.44rem;animation:heroOrbit 8s linear -3s infinite}.hero-orb.o3{color:#fbbf24;filter:drop-shadow(0 0 5px #fbbf24);font-size:.5rem;animation:heroOrbit 6.2s linear -2s infinite}@keyframes heroOrbit{0%{transform:translate(-50%,-50%) rotate(0) translate(62px) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg) translate(62px) rotate(-360deg)}}.hero-title{font-size:1.75rem;font-weight:900;line-height:1.2;margin-bottom:10px;position:relative;z-index:1;background:linear-gradient(135deg,#c7d2fe,#e879f9 40%,#fde68a,#a5b4fc);background-size:200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:textShimmer 5s linear infinite;letter-spacing:-.02em}.hero-title-accent{display:block;font-size:2rem;letter-spacing:-.03em;margin-top:4px;background:linear-gradient(90deg,#e879f9,#a5b4fc,#e879f9);background-size:200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:textShimmer 3s linear infinite}@keyframes textShimmer{0%{background-position:0% 50%}to{background-position:200% 50%}}.welcome-hero p{font-size:.88rem;color:var(--text-muted);line-height:1.75;max-width:400px;margin:0 auto 4px;position:relative;z-index:1}.hero-pills{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin:18px auto 22px;max-width:380px;position:relative;z-index:1}.hero-pill{display:inline-flex;align-items:center;gap:5px;padding:5px 13px;border-radius:100px;font-size:.76rem;font-weight:600;letter-spacing:.01em;background:#8b5cf61a;border:1px solid rgba(139,92,246,.28);color:#c4b5fd;backdrop-filter:blur(8px);transition:all .2s;cursor:default}.hero-pill:hover{background:#8b5cf633;border-color:#a855f78c;color:#e9d5ff;transform:translateY(-2px);box-shadow:0 4px 14px #8b5cf638}.hero-pill svg{width:12px;height:12px;flex-shrink:0}.hero-cta{font-size:1rem;font-weight:700;padding:13px 36px;border-radius:14px;box-shadow:0 0 25px #818cf859,0 4px 16px #0000004d;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s;z-index:1}.hero-cta:after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.15) 50%,transparent 70%);transform:translate(-120%);animation:ctaShine 3.5s ease-in-out infinite}@keyframes ctaShine{0%,to{transform:translate(-120%)}60%{transform:translate(120%)}}.hero-cta:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 0 40px #818cf899,0 8px 24px #00000059}.hero-cta svg{width:18px;height:18px}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}#screen-welcome.screen.active{display:flex;flex-direction:column;justify-content:center;height:calc(100vh - 24px);overflow:hidden;padding:4px;margin:-4px;animation:none}#screen-create.screen.active{animation:none;display:flex;flex-direction:column;min-height:calc(100vh - 24px);padding:4px;margin:-4px;overflow-y:auto}#screen-create .card{background:#0f0a2899;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:inset 0 1px #ffffff0a;border-color:#8b5cf640}#screen-create #create-preview{display:flex;flex-direction:column}#screen-create #create-preview .preview-container{margin-bottom:10px}#screen-create #create-preview .preview-container img{width:100%;max-height:calc(100vh - 320px);min-height:120px;object-fit:contain}.my-puzzles-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0;margin-bottom:22px}.puzzles-tabs{display:flex;border-bottom:2px solid rgba(139,92,246,.18);gap:0}.tab-btn{padding:6px 16px 8px;background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;color:var(--text-muted);font-size:1rem;font-weight:600;cursor:pointer;transition:color .15s,border-color .15s;white-space:nowrap}.tab-btn:hover{color:var(--text)}.tab-btn--active{color:var(--primary);border-bottom-color:var(--primary)}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid rgba(139,92,246,.3);border-radius:var(--radius-sm);background:#ffffff0f;cursor:pointer;transition:all .15s;color:var(--text-muted)}.btn-icon:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:#818cf81f}.btn-icon:disabled{opacity:.3;cursor:not-allowed}.btn-icon svg{width:16px;height:16px}.gallery-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-sm);cursor:pointer;border:2px solid transparent;transition:all .15s}.gallery-grid img:hover{border-color:var(--primary)}.gallery-grid img.selected{border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}@keyframes thumbIn{0%{opacity:0;transform:translateY(18px) scale(.92)}to{opacity:1;transform:translateY(0) scale(1)}}.puzzle-thumb{position:relative;cursor:pointer;animation:thumbIn .38s cubic-bezier(.22,1,.36,1) both;animation-delay:calc(var(--i, 0) * 55ms)}.puzzle-thumb img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-sm);border:2px solid transparent;transition:all .15s}.puzzle-thumb:hover img{border-color:var(--primary)}.puzzle-thumb.selected img{border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.puzzle-thumb--no-anim{animation:none}@keyframes skeletonShimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.puzzle-thumb--skeleton{aspect-ratio:1;border-radius:var(--radius-sm);background:linear-gradient(90deg,#ffffff0a 25%,#ffffff1a,#ffffff0a 75%);background-size:200% 100%;animation:skeletonShimmer 1.4s ease infinite;cursor:default;pointer-events:none}.thumb-badge{position:absolute;bottom:10px;right:8px;display:flex;align-items:center;justify-content:center;background:#0000009e;color:#fff;font-size:.78rem;font-weight:700;line-height:1;padding:3px 8px;border-radius:999px;backdrop-filter:blur(4px);pointer-events:none}.thumb-badge--pct{letter-spacing:.02em;font-size:.9rem}.thumb-badge--done{background:#16a34ae6;padding:5px 6px}.thumb-badge--done svg{width:16px;height:16px;display:block}.thumb-badge--pieces{bottom:10px;left:8px;right:auto;background:#f59e0bbf;color:#fff;font-size:.9rem;letter-spacing:.02em;display:flex;align-items:center;gap:3px;font-weight:700}.thumb-badge--pieces svg{width:14px;height:14px;flex-shrink:0;color:#fff}.thumb-like-btn{position:absolute;top:8px;right:8px;display:flex;align-items:center;gap:4px;background:#0000008c;color:#ffffffbf;border:none;border-radius:999px;font-size:.8rem;font-weight:700;line-height:1;padding:4px 8px 4px 6px;cursor:pointer;backdrop-filter:blur(4px);transition:background .15s,color .15s,transform .12s}.thumb-like-btn svg{width:14px;height:14px;flex-shrink:0;transition:transform .2s}.thumb-like-btn:hover{background:#ef444473;color:#fff}.thumb-like-btn:active svg{transform:scale(1.35)}.thumb-like-btn--active{background:#ef4444c7;color:#fff}.thumb-like-btn--active svg{color:#fff}.gallery-empty{grid-column:1/-1;text-align:center;color:var(--text-muted);font-size:.85rem;padding:20px 0}.create-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.create-option{background:#ffffff0a;border:2px solid rgba(139,92,246,.25);border-radius:var(--radius);padding:18px 10px;text-align:center;cursor:pointer;transition:all .18s}.create-option:hover{border-color:var(--primary);background:#818cf81a;box-shadow:0 0 20px #818cf826}.create-option.selected{border-color:var(--primary);background:#6366f126;box-shadow:0 0 24px #818cf840}.create-option .icon{font-size:1.8rem;margin-bottom:6px}.create-option .icon svg{width:28px;height:28px;color:var(--primary)}.create-option .label{font-size:.82rem;font-weight:600}.create-option .desc{font-size:.72rem;color:var(--text-muted);margin-top:3px}.upload-zone{border:2px dashed rgba(139,92,246,.35);border-radius:var(--radius);padding:36px 20px;text-align:center;cursor:pointer;transition:all .18s;background:#ffffff08}.upload-zone:hover{border-color:var(--primary);background:#818cf812}.upload-zone.drag-over{border-color:var(--primary);background:#6366f11f}.upload-zone svg{width:36px;height:36px;color:var(--text-light);margin-bottom:8px}.upload-zone p{color:var(--text-muted);font-size:.85rem}.preview-container{position:relative;border-radius:var(--radius);overflow:hidden;margin-bottom:14px}.preview-container img{width:100%;height:auto;object-fit:contain;display:block;background:#0003}#preview-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;border-radius:var(--radius)}.preview-overlay{position:absolute;top:8px;right:8px}.pieces-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0}.piece-option{border:2px solid var(--border);border-radius:var(--radius-sm);padding:11px 6px;text-align:center;cursor:pointer;transition:all .15s}.piece-option:hover{border-color:var(--primary)}.piece-option.selected{border-color:var(--primary);background:#6366f12e;box-shadow:0 0 0 1px #6366f159}.piece-option .count{font-size:1.1rem;font-weight:700}.piece-option .price{font-size:.72rem;color:var(--text-muted);margin-top:2px}.piece-option .price.free{color:#16a34a;font-weight:600}#btn-back-welcome{margin-top:8px;align-self:flex-start;background:#0f0a2873;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:#8b5cf626;color:var(--text-muted)}.invite-banner{background:var(--gradient);color:#fff;border-radius:var(--radius);padding:20px;text-align:center;margin-bottom:12px}.invite-banner h3{font-size:1.05rem;margin-bottom:6px}.invite-banner p{font-size:.85rem;opacity:.9}.completion-card{text-align:center;padding:28px 16px}.completion-card .trophy{margin-bottom:12px}.completion-card .trophy svg{width:56px;height:56px;color:#f59e0b}.completion-card h2{font-size:1.4rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.welcome-panels{flex:0 0 auto;display:flex;gap:12px}#my-puzzles-section{flex:1 1 auto;margin-bottom:0;display:flex;flex-direction:column;background:#0f0a2899;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(139,92,246,.25);border-radius:var(--radius);box-shadow:inset 0 1px #ffffff0a;padding:14px 14px 22px;overflow:hidden;container-type:inline-size}#my-puzzles-section .gallery-grid{overflow:hidden;border-radius:var(--radius-sm);margin:0 auto;--cell: min(calc((100cqw - 44px) / 3), calc((100vh - 200px) / 3));grid-template-columns:repeat(3,var(--cell));grid-template-rows:repeat(3,var(--cell));gap:8px}#profile-block{flex-shrink:0;width:240px;display:flex;flex-direction:column;gap:8px;margin-bottom:0}.profile-card,.leaderboard-card{background:#0f0a2899;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(139,92,246,.25);border-radius:var(--radius);box-shadow:inset 0 1px #ffffff0a;padding:16px}.profile-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 16px}.leaderboard-card{flex:1 1 0;overflow:hidden;padding:14px 16px}.btn-create-standalone{width:100%;padding:12px 16px;font-size:.95rem;margin-top:8px;display:flex;align-items:center;justify-content:center;gap:6px}.profile-avatar-row{display:flex;flex-direction:column;align-items:center;gap:8px}.profile-avatar-wrap{position:relative;width:72px;height:72px}.profile-avatar-wrap img{width:72px;height:72px;border-radius:50%;object-fit:cover;border:2px solid rgba(139,92,246,.4);box-shadow:0 0 12px #818cf84d}.profile-avatar-placeholder{width:72px;height:72px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;box-shadow:0 0 12px #818cf84d;font-size:1.8rem;font-weight:800;color:#fff;line-height:1;user-select:none}.profile-avatar-placeholder svg{width:32px;height:32px;color:#fff}.profile-name{font-size:.85rem;font-weight:700;color:var(--text);text-align:center;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.profile-stat{display:flex;align-items:center;gap:5px;font-size:.9rem;color:var(--text-muted);flex-shrink:0;width:fit-content;align-self:center}.profile-stat svg{width:15px;height:15px;flex-shrink:0;color:var(--primary)}.profile-stat strong{color:var(--text);font-size:1rem}.btn-add-moves{background:none;border:none;cursor:pointer;padding:0;margin-left:4px;color:#8b5cf680;transition:color .15s;display:flex;align-items:center;flex-shrink:0}.btn-add-moves:hover{color:var(--primary)}.btn-add-moves svg{width:20px;height:20px}.profile-stat--score{font-size:.88rem;font-weight:700;color:#f59e0b;background:#f59e0b1a;border:1px solid rgba(245,158,11,.25);border-radius:8px;padding:5px 8px}.profile-stat--score svg{color:#f59e0b;width:14px;height:14px}.profile-stat--score span{color:#f59e0b;font-variant-numeric:tabular-nums}.profile-buy-overlay{position:fixed;inset:0;z-index:500;background:#0000008c;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:overlayFade .22s var(--ease)}@keyframes overlayFade{0%{opacity:0}to{opacity:1}}.profile-buy-modal{position:relative;min-width:260px;display:flex;flex-direction:column;align-items:center;gap:14px;padding:28px 24px;text-align:center;background:#08041c73;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border-radius:var(--radius);border:1px solid rgba(139,92,246,.35);box-shadow:0 12px 48px #000000b3,inset 0 1px #ffffff0f;animation:modalIn .22s var(--ease)}.profile-buy-close{position:absolute;top:10px;right:10px;background:none;border:none;cursor:pointer;padding:4px;color:var(--text-muted);transition:color .15s;display:flex;align-items:center}.profile-buy-close:hover{color:var(--text)}.profile-buy-close svg{width:18px;height:18px}.profile-buy-icon{width:64px;height:64px;border-radius:50%;background:#f59e0b1f;border:1px solid rgba(245,158,11,.3);display:flex;align-items:center;justify-content:center}.profile-buy-icon svg{width:32px;height:32px;color:#f59e0b}.profile-buy-title{font-size:1.1rem;font-weight:700;color:var(--text);margin:0}.leaderboard{display:flex;flex-direction:column;gap:6px}.leaderboard-title{display:flex;align-items:center;gap:5px;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.leaderboard-title svg{width:13px;height:13px;color:#f59e0b;flex-shrink:0}.leaderboard-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px}.leaderboard-list li{display:flex;align-items:center;gap:5px;font-size:.78rem;color:var(--text-muted);border-radius:6px;padding:3px 6px;transition:background .15s}.leaderboard-list li:hover{background:#8b5cf614}.leaderboard-list li.lb-me{background:#f59e0b1a;color:#f59e0b;font-weight:700}.lb-rank{font-variant-numeric:tabular-nums;font-weight:700;width:16px;text-align:right;flex-shrink:0;color:var(--text-muted);font-size:.72rem}.lb-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{font-variant-numeric:tabular-nums;font-weight:700;color:var(--text);font-size:.78rem;flex-shrink:0}.lb-gap{display:flex;justify-content:center;align-items:center;height:10px;pointer-events:none}.lb-gap span{font-size:.65rem;letter-spacing:3px;line-height:1;color:#8b5cf666}@keyframes scoreCount{0%{opacity:0;transform:scale(.7) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}.complete-score-block{font-size:1.3rem;font-weight:800;text-align:center;color:#f59e0b;background:#f59e0b1a;border:1px solid rgba(245,158,11,.25);border-radius:10px;padding:8px 18px;margin:2px auto 10px;animation:scoreCount .4s cubic-bezier(.22,1,.36,1) both}.complete-score-block span{font-variant-numeric:tabular-nums;display:inline-block;min-width:2ch;text-align:right}@media (max-width: 600px){.create-options{grid-template-columns:1fr}.pieces-selector{grid-template-columns:repeat(2,1fr)}.hero-title{font-size:1.2rem}.hero-title-accent{font-size:1.4rem}.hero-logo-wrap{width:110px;height:110px;margin-bottom:22px}.hero-logo-core{width:72px;height:72px;border-radius:22px}.hero-logo-core svg{width:36px;height:36px}.hero-logo-ring--outer{width:106px;height:106px}.hero-logo-ring--inner{width:90px;height:90px}.hero-cta{padding:12px 28px}.welcome-panels{flex-direction:column}#profile-block{width:100%;flex-direction:row;flex-wrap:wrap;gap:8px}.profile-card{flex:1 1 180px;padding:14px}.leaderboard-card{flex:2 1 260px}.profile-avatar-row{flex-direction:row;gap:8px;align-items:center}}#screen-game.screen.active{position:fixed;inset:0;z-index:100;animation:none;background:transparent;display:flex;flex-direction:column;padding:12px 16px;overflow:hidden}@keyframes hintReady{0%{transform:scale(1);box-shadow:0 0 #8b5cf600}35%{transform:scale(1.18);box-shadow:0 0 18px #8b5cf6e6,0 0 36px #8b5cf666}65%{transform:scale(1.12);box-shadow:0 0 12px #8b5cf699}to{transform:scale(1);box-shadow:0 0 #8b5cf600}}#btn-hint-puzzle.hint-ready{animation:hintReady .55s cubic-bezier(.22,1,.36,1) both}#btn-hint-puzzle{position:relative;overflow:hidden;isolation:isolate}#btn-hint-puzzle:before{content:"";position:absolute;inset:0;right:calc((100 - var(--cd, 0)) * 1%);background:#8b5cf673;pointer-events:none;z-index:0}#btn-hint-puzzle:disabled{opacity:.75;cursor:not-allowed}#btn-hint-puzzle svg,#btn-hint-puzzle span,#btn-hint-puzzle{position:relative;z-index:1}#btn-hint-puzzle svg{width:16px;height:16px}.game-hud{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;margin-bottom:10px;background:#0f0a28b3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(139,92,246,.3);border-radius:var(--radius);box-shadow:0 4px 24px #0006,inset 0 1px #ffffff0d;flex-shrink:0}.game-hud .moves{display:flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600}.game-hud .moves svg{width:16px;height:16px;color:var(--primary)}.game-hud .moves .count{font-size:1.05rem;font-weight:800;color:var(--primary)}.game-hud .hud-actions{display:flex;gap:7px}.game-layout{display:grid;grid-template-columns:1fr 560px;gap:12px;flex:1;min-height:0;align-items:stretch}.board-wrapper{position:relative;min-height:0;display:flex}#board-container{flex:1;background:#0f0a2880;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:var(--radius);border:1px solid rgba(139,92,246,.25);box-shadow:0 8px 40px #00000080,inset 0 1px #ffffff0a;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}#board-container canvas{display:block;max-width:100%}#pool-scroll{background:#0f0a2899;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(139,92,246,.25);border-radius:var(--radius);overflow-y:auto;overflow-x:clip;scrollbar-width:thin;scrollbar-gutter:stable;scrollbar-color:rgba(139,92,246,.4) transparent;box-shadow:0 8px 40px #00000080,inset 0 1px #ffffff0a}#pool-scroll::-webkit-scrollbar{width:5px}#pool-scroll::-webkit-scrollbar-thumb{background:var(--border-md);border-radius:3px}#pool-container{overflow:visible;padding:24px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;align-content:start}@keyframes pieceFlash{0%{filter:drop-shadow(0 6px 14px rgba(0,0,0,.55)) drop-shadow(0 2px 4px rgba(0,0,0,.3)) drop-shadow(0 0 0px rgba(220,190,255,0))}18%{filter:drop-shadow(0 6px 14px rgba(0,0,0,.55)) drop-shadow(0 2px 4px rgba(0,0,0,.3)) drop-shadow(0 0 10px rgba(220,190,255,.5)) drop-shadow(0 0 20px rgba(140,100,255,.3))}to{filter:drop-shadow(0 6px 14px rgba(0,0,0,.55)) drop-shadow(0 2px 4px rgba(0,0,0,.3)) drop-shadow(0 0 0px rgba(220,200,255,0))}}@keyframes pieceIn{0%{opacity:0;transform:rotate(var(--rot,0deg)) translateY(-120px) scale(.7)}to{opacity:1;transform:rotate(var(--rot,0deg)) translateY(0) scale(1)}}.pool-piece{cursor:grab;border-radius:6px;display:flex;align-items:center;justify-content:center;padding:2px;user-select:none;touch-action:none;transition:opacity .3s,transform .22s ease;width:var(--piece-w);height:var(--piece-h);max-width:100%;transform:rotate(var(--rot, 0deg));filter:drop-shadow(0 3px 6px rgba(0,0,0,.45)) drop-shadow(0 1px 2px rgba(0,0,0,.25));position:relative;z-index:1;will-change:transform;animation:pieceIn .55s cubic-bezier(.22,1,.36,1) both;animation-delay:calc(var(--pool-start, 0ms) + var(--i, 0) * 38ms)}.pool-piece.done{animation:none}.pool-piece.done:hover{transform:rotate(0) scale(1.18);animation:pieceFlash .65s cubic-bezier(.2,.8,.4,1) forwards;z-index:100}.pool-piece:active{cursor:grabbing}.pool-piece.placed{opacity:0!important;pointer-events:none!important}.pool-piece canvas{display:block}.pool-exhausted .pool-piece:not(.placed){cursor:not-allowed}.pool-exhausted .pool-piece.done:hover{animation:none;transform:rotate(var(--rot, 0deg))}@keyframes exhaustedIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.85)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}#moves-exhausted{display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;width:calc(100% - 48px);max-width:400px;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;margin:0;background:#08041cc7;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(139,92,246,.35);box-shadow:0 12px 48px #000000b3,inset 0 1px #ffffff0f;cursor:grab;user-select:none;border-radius:var(--radius);padding:22px}#moves-exhausted:active{cursor:grabbing}#moves-exhausted.visible{display:flex;animation:exhaustedIn .45s cubic-bezier(.22,1,.36,1) both}#moves-exhausted svg{width:40px;height:40px;color:var(--text-muted)}#moves-exhausted h2{font-size:1.3rem}#moves-exhausted p{color:var(--text-muted);font-size:.9rem;margin:0}#moves-timer{font-size:2rem;font-weight:800;letter-spacing:.05em;color:var(--primary);font-variant-numeric:tabular-nums}.moves-buy-label{font-size:.8rem;color:var(--text-muted);margin:0}.moves-buy-grid{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.btn-buy-moves{display:flex;flex-direction:column;align-items:center;gap:1px;padding:8px 14px;line-height:1.2}.btn-buy-moves span{font-size:.72rem;opacity:.75;font-weight:400}@keyframes completeIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.85)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}#puzzle-complete{display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:11;width:calc(100% - 48px);max-width:400px;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;margin:0;background:#08041cc7;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(139,92,246,.35);box-shadow:0 12px 48px #000000b3,inset 0 1px #ffffff0f;cursor:grab;user-select:none;border-radius:var(--radius);padding:22px}#puzzle-complete:active{cursor:grabbing}#puzzle-complete.visible{display:flex;animation:completeIn .5s cubic-bezier(.22,1,.36,1) both}#puzzle-complete .trophy{width:64px;height:64px;background:var(--gradient);border-radius:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--glow-lg)}#puzzle-complete .trophy svg{width:34px;height:34px;color:#fff}#puzzle-complete h2{font-size:1.4rem}#puzzle-complete p{color:var(--text-muted);font-size:.9rem;margin:0}.complete-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}@media (max-width: 720px){.game-layout{grid-template-columns:1fr;grid-template-rows:1fr auto}#pool-scroll{grid-template-columns:repeat(4,1fr);max-height:200px}}