@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;800;900&display=swap";:root{--bg-primary:#0a0a0b;--bg-secondary:#16161e;--accent-blue:#3b82f6;--accent-gold:#d4af37;--text-primary:#fff;--text-muted:#a1a1aa;--glass-border:#ffffff14;--glass-bg:#16161e99;--modal-overlay:#0a0a0bd9;--header-height:64px;--toolbar-height:80px;--max-board-size:500px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--transition-fast:.2s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.3s cubic-bezier(.23, 1, .32, 1)}:root[data-theme=light]{--bg-primary:#f1f5f9;--bg-secondary:#fff;--accent-blue:#2563eb;--text-primary:#0f172a;--text-muted:#64748b;--glass-border:#00000026;--glass-bg:#ffffffe6;--modal-overlay:#f1f5f9d9}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);touch-action:none;font-family:Plus Jakarta Sans,system-ui,sans-serif;overflow:hidden}.app-shell{flex-direction:column;width:100dvw;max-width:100%;height:100dvh;display:flex}.app-header{height:var(--header-height);padding:0 var(--spacing-lg);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);z-index:50;flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.brand-logo{letter-spacing:-1px;text-shadow:0 0 15px #3b82f680;align-items:center;gap:4px;font-size:1.5rem;font-weight:900;display:flex}.brand-col-1{color:var(--text-primary)}.brand-col-2{color:var(--accent-blue)}.header-actions{gap:var(--spacing-sm);display:flex}.game-viewport{padding:var(--spacing-md);flex-direction:column;flex-grow:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.splash-screen{z-index:9999;background:var(--bg-primary);justify-content:center;align-items:center;animation:.5s ease-out 1.2s forwards fadeOut;display:flex;position:fixed;inset:0}.splash-screen .brand-logo{text-shadow:0 0 40px #3b82f6cc;font-size:3.5rem;animation:1s ease-in-out infinite pulse}@keyframes fadeOut{to{opacity:0;visibility:hidden}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.puzzle-board{width:100%;max-width:min(var(--max-board-size), calc(100dvh - var(--header-height) - var(--toolbar-height) - var(--spacing-md) * 2));aspect-ratio:1;background:var(--bg-secondary);border-radius:var(--radius-md);box-shadow:0 20px 40px -10px #000c, 0 0 0 1px var(--glass-border);margin:0 auto;display:grid;position:relative;overflow:hidden}.tile{cursor:pointer;background-size:calc(100% * var(--grid-size)) calc(100% * var(--grid-size));width:100%;height:100%;transition:transform var(--transition-fast), filter var(--transition-fast);image-rendering:-webkit-optimize-contrast;backface-visibility:hidden;position:relative;box-shadow:inset 0 0 0 1px #ffffff1a}.tile:active{z-index:10;filter:brightness(1.2);transform:scale(.95)}.tile.empty{box-shadow:inset 0 0 20px #00000080;background:0 0!important}.tile-hint{color:var(--accent-gold);-webkit-backdrop-filter:blur(2px);pointer-events:none;background:#0006;justify-content:center;align-items:center;font-size:1.2rem;font-weight:800;display:flex;position:absolute;inset:0}.app-toolbar{height:var(--toolbar-height);justify-content:center;align-items:center;gap:var(--spacing-lg);padding:0 var(--spacing-md);background:var(--bg-secondary);border-top:1px solid var(--glass-border);padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;display:flex}.btn-icon-labeled{color:var(--text-muted);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:60px;padding:8px;font-family:inherit;font-size:.7rem;font-weight:600;display:flex}.btn-icon-labeled:hover,.btn-icon-labeled.active{color:var(--accent-blue)}.btn-icon-labeled svg{stroke-width:2px;width:24px;height:24px}.btn-primary{background:var(--accent-blue);color:#fff;border-radius:var(--radius-sm);cursor:pointer;transition:opacity var(--transition-fast);border:none;padding:12px 24px;font-size:1rem;font-weight:800}.btn-primary:active{opacity:.8}.btn-secondary{background:var(--glass-bg);color:var(--text-primary);border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;padding:12px 24px;font-size:1rem;font-weight:600}.sheet-overlay{z-index:1000;background:var(--modal-overlay);-webkit-backdrop-filter:blur(15px);opacity:0;pointer-events:none;transition:opacity var(--transition-smooth);justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet-overlay.open{opacity:1;pointer-events:auto}.sheet-content{background:var(--bg-primary);border:1px solid var(--glass-border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;width:100%;max-width:600px;max-height:90dvh;padding:var(--spacing-lg);gap:var(--spacing-lg);transition:transform var(--transition-smooth);flex-direction:column;display:flex;transform:translateY(100%);box-shadow:0 -30px 60px #000c}.sheet-overlay.open .sheet-content{transform:translateY(0)}.sheet-header{justify-content:space-between;align-items:center;display:flex}.sheet-header h2{font-size:1.4rem;font-weight:800}.scroll-area{flex-grow:1;padding-right:4px;overflow-y:auto}.scroll-area::-webkit-scrollbar{width:4px}.scroll-area::-webkit-scrollbar-track{background:0 0}.scroll-area::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:10px}.gallery-grid{gap:var(--spacing-sm);grid-template-columns:repeat(3,1fr);display:grid}.gallery-item{aspect-ratio:1;border-radius:var(--radius-sm);background:var(--bg-secondary);cursor:pointer;transition:border-color var(--transition-fast);border:2px solid #0000;position:relative;overflow:hidden}.gallery-item img{object-fit:cover;width:100%;height:100%}.gallery-item.active{border-color:var(--accent-blue)}.upload-card{background:var(--glass-bg);border:2px dashed var(--glass-border);color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex}.upload-card:hover{color:var(--accent-blue);border-color:var(--accent-blue)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,#16161e 25%,#2a2a35 50%,#16161e 75%) 0 0/200% 100%;animation:1.5s linear infinite shimmer}.victory-modal{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;padding:var(--spacing-lg);text-align:center;background:#0a0a0bf2;flex-direction:column;justify-content:center;align-items:center;animation:.5s fadeIn;display:flex;position:absolute;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mystery-reveal-box{margin-top:var(--spacing-lg);padding:var(--spacing-md);background:var(--glass-bg);border:1px solid var(--accent-gold);border-radius:var(--radius-md);width:100%;box-shadow:0 0 30px #d4af3733}.mystery-label{text-transform:uppercase;letter-spacing:2px;color:var(--accent-gold);margin-bottom:8px;font-size:.7rem;display:block}.mystery-text{color:#fff;font-size:1.2rem;font-weight:800}.input-premium{background:var(--bg-secondary);border:1px solid var(--glass-border);width:100%;color:var(--text-primary);border-radius:var(--radius-sm);transition:border-color var(--transition-fast);outline:none;padding:16px;font-family:inherit;font-size:1rem}.input-premium:focus{border-color:var(--accent-blue)}.center-overlay{z-index:50;justify-content:center;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);border-radius:var(--radius-md);background:#000c;flex-direction:column;display:flex;position:absolute;inset:0}.toggle-switch{width:50px;height:28px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background-color:var(--glass-border);border-radius:34px;transition:all .4s;position:absolute;inset:0}.toggle-slider:before{content:"";background-color:#fff;border-radius:50%;width:20px;height:20px;transition:all .4s;position:absolute;bottom:4px;left:4px;box-shadow:0 2px 4px #0003}.toggle-switch input:checked+.toggle-slider{background-color:var(--accent-blue)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(22px)}.settings-page{z-index:3000;background:var(--bg-primary);opacity:0;visibility:hidden;transition:transform var(--transition-smooth), opacity var(--transition-smooth);flex-direction:column;display:flex;position:fixed;inset:0;transform:translateY(100%)}.settings-page.open{opacity:1;visibility:visible;transform:translateY(0)}.settings-page-header{height:var(--header-height);padding:0 var(--spacing-lg);border-bottom:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.settings-page-content{padding:var(--spacing-lg);flex-grow:1;padding-bottom:100px;overflow-y:auto}.settings-container{flex-direction:column;gap:24px;width:100%;max-width:600px;margin:0 auto;display:flex}.settings-section{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding:14px 0;display:flex}.settings-section:last-child{border-bottom:none}.preview-overlay{z-index:20;opacity:0;pointer-events:none;border-radius:inherit;background-position:50%;background-size:cover;transition:opacity .5s cubic-bezier(.4,0,.2,1);position:absolute;inset:0;box-shadow:inset 0 0 50px #00000080}.preview-overlay.active{opacity:1}.social-pill{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--glass-border);transition:background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:.8rem;font-weight:700;text-decoration:none;display:flex}.social-pill svg{width:16px;height:16px}.social-pill:hover{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.custom-item{position:relative}.del-btn{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;cursor:pointer;z-index:10;background:#000000b3;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;padding:4px;transition:background .2s,transform .2s;display:flex;position:absolute;top:6px;right:6px;box-shadow:0 4px 10px #00000080}.del-btn:hover{background:#dc2626e6;transform:scale(1.1)}.del-btn svg{stroke-width:3px;width:14px;height:14px}@media (width<=400px){.app-header{padding:0 var(--spacing-sm)}.brand-logo{font-size:1.2rem}.btn-icon-labeled{min-width:45px;padding:4px;font-size:.65rem}.btn-icon-labeled svg{width:20px;height:20px}.app-toolbar{padding:0 var(--spacing-xs);gap:8px}.settings-page-header{padding:0 var(--spacing-md)}.settings-page-content{padding:var(--spacing-md)}}.celebration-container{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.particle{background:var(--accent-gold);width:10px;height:10px;box-shadow:0 0 10px var(--accent-gold);animation:particleRise 2s ease-out var(--delay) infinite;opacity:0;border-radius:50%;position:absolute}@keyframes particleRise{0%{opacity:1;transform:translateY(0)translate(0)scale(1)}to{transform:translateY(-300px) translateX(var(--x)) scale(0);opacity:0}}.audio-unlock-overlay{z-index:99999;padding:var(--spacing-lg);cursor:pointer;background:radial-gradient(circle,#16161e 0%,#0a0a0b 100%);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.unlock-content{text-align:center;flex-direction:column;align-items:center;width:100%;max-width:400px;animation:.8s ease-out slideUpFade;display:flex}.brand-logo-large{margin-bottom:var(--spacing-md);font-size:clamp(2.5rem,10vw,4.5rem)}.unlock-subtitle{color:var(--text-muted);letter-spacing:4px;margin-bottom:var(--spacing-lg);text-transform:uppercase;font-size:clamp(.9rem,4vw,1.2rem)}.btn-start{background:var(--accent-blue);color:#fff;border-radius:60px;padding:clamp(16px,5vw,24px) clamp(40px,15vw,70px);font-size:clamp(1.1rem,4vw,1.4rem);transition:transform .2s,box-shadow .2s;box-shadow:0 0 50px #3b82f666}.btn-start:active{transform:scale(.95)}.unlock-hint{margin-top:var(--spacing-lg);color:#555;font-size:clamp(.7rem,3vw,.85rem)}@media (height<=600px){.brand-logo-large{margin-bottom:10px;font-size:2rem}.unlock-subtitle{margin-bottom:20px;font-size:.8rem}.btn-start{padding:12px 40px;font-size:1rem}.unlock-hint{margin-top:10px}.app-header{--header-height:50px}.app-toolbar{--toolbar-height:60px}}@keyframes slideUpFade{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}