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640px){.wf-word-chain{gap:var(--wf-space-2);padding:var(--wf-space-3)}.wf-word-chain-item{font-size:.75rem;padding:var(--wf-space-1) var(--wf-space-3)}.wf-word-chain-next-letter{padding:var(--wf-space-1) var(--wf-space-2);font-size:.75rem}.wf-game-stat-value{font-size:1rem}}:root{--wf-primary: #667eea;--wf-primary-dark: #5a6fd8;--wf-secondary: #764ba2;--wf-secondary-dark: #6b46a8;--wf-accent: #f093fb;--wf-success: #4ade80;--wf-warning: #fbbf24;--wf-danger: #ef4444;--wf-white: #ffffff;--wf-gray-50: #f9fafb;--wf-gray-100: #f3f4f6;--wf-gray-200: #e5e7eb;--wf-gray-300: #d1d5db;--wf-gray-400: #9ca3af;--wf-gray-500: #6b7280;--wf-gray-600: #4b5563;--wf-gray-700: #374151;--wf-gray-800: #1f2937;--wf-gray-900: #111827;--wf-gradient-main: linear-gradient(135deg, var(--wf-primary), var(--wf-secondary));--wf-gradient-success: linear-gradient(135deg, #4ade80, #22c55e);--wf-gradient-warning: linear-gradient(135deg, #fbbf24, #f59e0b);--wf-gradient-danger: linear-gradient(135deg, #ef4444, 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#374151;overflow:hidden}.wf-gaming-share-card__border{position:absolute;top:-3px;left:-3px;right:-3px;bottom:-3px;background:linear-gradient(45deg,#667eea,#764ba2,#f093fb,#667eea);border-radius:18px;z-index:-1;opacity:.8;animation:wf-gaming-border-glow 3s ease-in-out infinite alternate;background-size:400% 400%}@keyframes wf-gaming-border-glow{0%{background-position:0% 50%;opacity:.7}to{background-position:100% 50%;opacity:1}}.wf-gaming-share-card__content{position:relative;z-index:1}.wf-gaming-share-card__header{font-size:1.6rem;font-weight:800;margin-bottom:16px;text-shadow:0 2px 4px rgba(0,0,0,.5);letter-spacing:1px;background:linear-gradient(45deg,#f093fb,#f5576c);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.wf-gaming-share-card__performance{background:#667eea4d;border:1px solid rgba(102,126,234,.5);border-radius:8px;padding:12px 16px;margin:16px 0;font-weight:700;font-size:.9rem;letter-spacing:.5px;box-shadow:inset 0 1px #ffffff1a;background:linear-gradient(135deg,#667eea33,#764ba233)}.wf-gaming-share-card__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.wf-gaming-share-card__stat{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:16px 8px;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.wf-gaming-share-card__stat:hover{background:#ffffff26;transform:translateY(-2px)}.wf-gaming-share-card__stat-value{font-size:1.8rem;font-weight:800;display:block;color:#f093fb;text-shadow:0 2px 4px rgba(0,0,0,.3);line-height:1}.wf-gaming-share-card__stat-label{font-size:.7rem;opacity:.9;margin-top:6px;letter-spacing:1px;font-weight:600}.wf-gaming-share-card__achievements{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:16px;margin:20px 0;font-size:.85rem;line-height:1.6;font-weight:600;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.wf-gaming-share-card__achievements div{margin:4px 0}.wf-gaming-share-card__challenge{font-weight:700;margin:20px 0 16px;color:#f093fb;font-size:1.1rem;letter-spacing:1px;text-shadow:0 2px 4px rgba(0,0,0,.3)}.wf-gaming-share-card__play-button{background:linear-gradient(45deg,#667eea,#764ba2);color:#fff;padding:14px 28px;border-radius:25px;font-weight:700;text-decoration:none;display:inline-block;margin-top:8px;transition:all .3s ease;border:1px solid rgba(255,255,255,.3);text-transform:uppercase;letter-spacing:1px;font-size:.9rem;box-shadow:0 4px 15px #667eea66;position:relative;overflow:hidden}.wf-gaming-share-card__play-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.wf-gaming-share-card__play-button:hover:before{left:100%}.wf-gaming-share-card__play-button:hover{transform:translateY(-3px);box-shadow:0 8px 25px #667eea99;background:linear-gradient(45deg,#5a6fd8,#6b46a8)}.wf-gaming-share-card__play-button:active{transform:translateY(-1px)}@media (max-width: 480px){.wf-gaming-share-card{padding:20px;margin:0 16px}.wf-gaming-share-card__header{font-size:1.4rem}.wf-gaming-share-card__stats{gap:8px}.wf-gaming-share-card__stat{padding:12px 6px}.wf-gaming-share-card__stat-value{font-size:1.5rem}.wf-gaming-share-card__play-button{padding:12px 24px;font-size:.8rem}}.wf-social-share-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px 12px;border:none;border-radius:var(--wf-radius-lg);cursor:pointer;transition:all var(--wf-duration-normal) var(--wf-ease-out);text-decoration:none;background:var(--wf-white);color:var(--wf-gray-700);border:2px solid var(--wf-gray-200);min-height:80px}.wf-social-share-btn:hover{transform:translateY(-2px);box-shadow:var(--wf-shadow-lg)}.wf-social-share-btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.wf-social-share-icon{font-size:1.5rem;margin-bottom:6px}.wf-social-share-label{font-size:.8rem;font-weight:600;text-align:center}.wf-social-share-btn--whatsapp{border-color:#25d366;color:#25d366}.wf-social-share-btn--whatsapp:hover{background:#25d366;color:#fff;border-color:#25d366}.wf-social-share-btn--twitter{border-color:#1da1f2;color:#1da1f2}.wf-social-share-btn--twitter:hover{background:#1da1f2;color:#fff;border-color:#1da1f2}.wf-social-share-btn--facebook{border-color:#1877f2;color:#1877f2}.wf-social-share-btn--facebook:hover{background:#1877f2;color:#fff;border-color:#1877f2}@media (max-width: 640px){.wf-social-share-btn{padding:12px 8px;min-height:70px}.wf-social-share-icon{font-size:1.25rem;margin-bottom:4px}.wf-social-share-label{font-size:.75rem}}.wf-music-controls{display:flex;align-items:center;gap:var(--wf-space-3)}.wf-music-toggle-btn{position:relative;background:#ffffffe6;border:2px solid var(--wf-gray-200);border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--wf-duration-normal) var(--wf-ease-out);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--wf-shadow-sm)}.wf-music-toggle-btn:hover{background:#fff;border-color:var(--wf-primary);transform:scale(1.05);box-shadow:var(--wf-shadow-md)}.wf-music-toggle-btn:active{transform:scale(.95)}.wf-music-icon{font-size:1.2rem;-webkit-user-select:none;user-select:none}.wf-music-playing-indicator{position:absolute;top:-2px;right:-2px;width:12px;height:12px;background:var(--wf-success);border-radius:50%;border:2px solid white;animation:wf-music-pulse 2s infinite}@keyframes wf-music-pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}to{transform:scale(1);opacity:1}}.wf-volume-slider-container{display:flex;align-items:center;gap:var(--wf-space-2);background:#ffffffe6;padding:var(--wf-space-2) var(--wf-space-3);border-radius:var(--wf-radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--wf-shadow-sm)}.wf-volume-slider{width:80px;height:4px;background:var(--wf-gray-200);border-radius:2px;outline:none;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none}.wf-volume-slider::-webkit-slider-thumb{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:16px;height:16px;background:var(--wf-primary);border-radius:50%;cursor:pointer;box-shadow:var(--wf-shadow-sm);transition:all var(--wf-duration-fast) var(--wf-ease-out)}.wf-volume-slider::-webkit-slider-thumb:hover{background:var(--wf-primary-dark);transform:scale(1.1)}.wf-volume-slider::-moz-range-thumb{width:16px;height:16px;background:var(--wf-primary);border-radius:50%;cursor:pointer;border:none;box-shadow:var(--wf-shadow-sm)}.wf-volume-percentage{font-size:.75rem;color:var(--wf-gray-600);font-weight:600;min-width:32px;text-align:center}.wf-game-header{position:relative;margin-bottom:var(--wf-space-6)}.wf-absolute{position:absolute}.wf-top-4{top:var(--wf-space-4)}.wf-right-4{right:var(--wf-space-4)}@media (max-width: 640px){.wf-music-toggle-btn{width:40px;height:40px}.wf-music-icon{font-size:1rem}.wf-volume-slider-container{padding:var(--wf-space-1) var(--wf-space-2)}.wf-volume-slider{width:60px}.wf-volume-percentage{font-size:.7rem;min-width:28px}.wf-top-4{top:var(--wf-space-2)}.wf-right-4{right:var(--wf-space-2)}}.wf-music-loading{opacity:.6;pointer-events:none}@media (prefers-contrast: high){.wf-music-toggle-btn{border-width:3px;background:#fff}.wf-volume-slider-container{background:#fff;border:2px solid var(--wf-gray-400)}}.wf-network-status{position:fixed;top:0;left:0;right:0;z-index:1000;padding:var(--wf-space-2) var(--wf-space-4);text-align:center;font-size:.875rem;font-weight:500;animation:wf-slide-down .3s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2)}.wf-network-status--offline{background:#ef4444f2;color:#fff}.wf-network-status--slow{background:#fbbf24f2;color:var(--wf-gray-800)}.wf-network-status--online{background:#4ade80f2;color:#fff}.wf-network-status__icon{margin-right:var(--wf-space-2)}@keyframes 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infinite}.wf-game-board{will-change:transform;transform:translateZ(0)}.wf-word-chain-item{will-change:transform,opacity;backface-visibility:hidden}.wf-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}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.wf-encouragement,.wf-word-chain-item{animation:none}}@media (prefers-contrast: high){.wf-btn{border:2px solid}.wf-word-input{border-width:3px}.wf-card{border:2px solid var(--wf-gray-400)}}@media print{.wf-btn,.wf-network-status,.wf-encouragement,.wf-music-controls{display:none!important}.wf-card{break-inside:avoid;box-shadow:none;border:1px solid #000}}@supports (-webkit-touch-callout: none){.wf-word-input{transform:translateZ(0);-webkit-appearance:none;border-radius:var(--wf-radius-lg)}}@media (hover: none) and (pointer: coarse){.wf-btn{min-height:44px;min-width:44px}.wf-word-input{padding:var(--wf-space-4) var(--wf-space-3);font-size:16px}.wf-btn:hover,.wf-card:hover{transform:none}}.wf-error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--wf-danger);padding:var(--wf-space-3) var(--wf-space-4);border-radius:var(--wf-radius-md);font-size:.875rem;font-weight:500;margin:var(--wf-space-2) 0;display:flex;align-items:center;gap:var(--wf-space-2)}.wf-error-message:before{content:"⚠️";flex-shrink:0}.wf-success-message{background:#4ade801a;border:1px solid rgba(74,222,128,.3);color:var(--wf-success);padding:var(--wf-space-3) var(--wf-space-4);border-radius:var(--wf-radius-md);font-size:.875rem;font-weight:500;margin:var(--wf-space-2) 0;display:flex;align-items:center;gap:var(--wf-space-2)}.wf-success-message:before{content:"✅";flex-shrink:0}.wf-performance-indicator{position:fixed;top:var(--wf-space-4);right:var(--wf-space-4);background:#000c;color:#fff;padding:var(--wf-space-2) var(--wf-space-3);border-radius:var(--wf-radius-md);font-size:.75rem;font-family:var(--wf-font-mono);z-index:999;opacity:0;transition:opacity var(--wf-duration-normal)}.wf-performance-indicator.wf-visible{opacity:1}@media (max-width: 640px){.wf-network-status{font-size:.75rem;padding:var(--wf-space-1) var(--wf-space-3)}.wf-word-input{font-size:16px;-webkit-appearance:none}.wf-btn{padding:var(--wf-space-4) var(--wf-space-6);min-height:48px}.wf-container{padding:var(--wf-space-2)}.wf-game-board{padding:var(--wf-space-4);margin:var(--wf-space-2) 0}}.wf-fixed{position:fixed}.wf-z-50{z-index:50}.wf-z-999{z-index:999}.wf-z-1000{z-index:1000}.wf-top-0{top:0}.wf-left-0{left:0}.wf-right-0{right:0}.wf-bottom-0{bottom:0}.wf-min-h-screen{min-height:100vh}.wf-max-w-xs{max-width:20rem}.wf-max-w-sm{max-width:24rem}.wf-max-w-md{max-width:28rem}.wf-max-w-lg{max-width:32rem}.wf-max-w-xl{max-width:36rem}.wf-mx-auto{margin-left:auto;margin-right:auto}.wf-my-auto{margin-top:auto;margin-bottom:auto}.wf-space-y-2>*+*{margin-top:var(--wf-space-2)}.wf-space-y-4>*+*{margin-top:var(--wf-space-4)}.wf-space-y-6>*+*{margin-top:var(--wf-space-6)}.wf-overflow-auto{overflow:auto}.-wf-rotate-90{transform:rotate(-90deg)}.wf-transition-all{transition:all var(--wf-duration-normal)}.wf-duration-normal{transition-duration:var(--wf-duration-normal)}.wf-spinner{border:3px solid var(--wf-gray-200);border-top:3px solid var(--wf-primary);border-radius:50%;animation:wf-spin 1s linear infinite;margin:0 auto}.wf-progress-ring{transition:stroke-dasharray .3s 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summary{cursor:pointer;font-weight:600;color:var(--wf-gray-700);margin-bottom:var(--wf-space-2);padding:var(--wf-space-2);border-radius:var(--wf-radius-sm);transition:background-color var(--wf-duration-fast)}.wf-error-details summary:hover{background-color:var(--wf-gray-100)}.wf-error-details pre{font-size:.75rem;color:var(--wf-gray-600);white-space:pre-wrap;word-break:break-word;margin-top:var(--wf-space-2)}.wf-loading-timeout{background:var(--wf-gray-50);border:1px solid var(--wf-gray-200);border-radius:var(--wf-radius-lg);padding:var(--wf-space-4);margin-top:var(--wf-space-4);animation:wf-fade-in var(--wf-duration-normal) var(--wf-ease-out)}.wf-game-skeleton{background:var(--wf-white);border-radius:var(--wf-radius-xl);padding:var(--wf-space-8);box-shadow:var(--wf-shadow-md);min-height:500px}.wf-results-skeleton{background:var(--wf-white);border-radius:var(--wf-radius-xl);box-shadow:var(--wf-shadow-md);padding:var(--wf-space-6)}.wf-progress-container{position:relative;display:inline-block}.wf-progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.75rem;font-weight:600;color:var(--wf-primary)}.wf-spinner--sm{width:1.5rem;height:1.5rem;border-width:2px}.wf-spinner--md{width:2.5rem;height:2.5rem;border-width:3px}.wf-spinner--lg{width:4rem;height:4rem;border-width:4px}.wf-loading-dots:after{content:"";animation:wf-loading-dots 1.5s infinite}@keyframes wf-loading-dots{0%,20%{content:""}40%{content:"."}60%{content:".."}80%,to{content:"..."}}.wf-error-card{background:var(--wf-white);border:1px solid var(--wf-gray-200);border-radius:var(--wf-radius-xl);box-shadow:var(--wf-shadow-lg);max-width:32rem;margin:0 auto;overflow:hidden}.wf-error-actions{display:flex;gap:var(--wf-space-3);justify-content:center;flex-wrap:wrap}.wf-error-tips{background:var(--wf-gray-50);border-radius:var(--wf-radius-md);padding:var(--wf-space-4);margin-top:var(--wf-space-4)}.wf-error-tips ul{list-style:none;margin:0;padding:0}.wf-error-tips li{color:var(--wf-gray-600);font-size:.875rem;line-height:1.4;margin:var(--wf-space-1) 0}@media (max-width: 640px){.wf-error-details{max-height:150px;font-size:.75rem}.wf-error-actions{flex-direction:column;align-items:center}.wf-error-actions .wf-btn{width:100%;max-width:200px}.wf-loading-timeout{margin:var(--wf-space-3);padding:var(--wf-space-3)}}@media (prefers-color-scheme: dark){.wf-skeleton{background:linear-gradient(90deg,#374151 25%,#4b5563,#374151 75%);background-size:200% 100%}.wf-error-details,.wf-loading-timeout{background:var(--wf-gray-800);border-color:var(--wf-gray-600);color:var(--wf-gray-300)}}.wf-toast{position:fixed;top:var(--wf-space-4);right:var(--wf-space-4);min-width:300px;max-width:500px;padding:var(--wf-space-4);border-radius:var(--wf-radius-lg);box-shadow:var(--wf-shadow-lg);z-index:1000;display:flex;align-items:center;justify-content:space-between;gap:var(--wf-space-3);font-weight:500;transition:all var(--wf-duration-normal) var(--wf-ease-out);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.wf-toast--visible{opacity:1;transform:translate(0)}.wf-toast--hidden{opacity:0;transform:translate(100%)}.wf-toast__close{background:none;border:none;color:currentColor;font-size:1.5rem;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color var(--wf-duration-fast)}.wf-toast__close:hover{background-color:#fff3}.wf-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--wf-space-4);animation:wf-fade-in var(--wf-duration-normal) var(--wf-ease-out)}.wf-dialog{background:var(--wf-white);border-radius:var(--wf-radius-xl);box-shadow:var(--wf-shadow-xl);max-width:500px;width:100%;max-height:90vh;overflow:hidden;animation:wf-scale-in var(--wf-duration-normal) var(--wf-ease-out)}.wf-dialog__header{padding:var(--wf-space-6) var(--wf-space-6) 0}.wf-dialog__title{font-size:1.25rem;font-weight:600;margin:0}.wf-dialog__body{padding:var(--wf-space-4) var(--wf-space-6)}.wf-dialog__footer{padding:0 var(--wf-space-6) var(--wf-space-6);display:flex;gap:var(--wf-space-3);justify-content:flex-end}@keyframes 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0}}.wf-will-change-transform{will-change:transform}.wf-will-change-opacity{will-change:opacity}.wf-gpu-accelerated{transform:translateZ(0);backface-visibility:hidden}.wf-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.wf-skip-link{position:absolute;top:-40px;left:6px;background:var(--wf-primary);color:#fff;padding:8px;border-radius:4px;text-decoration:none;font-weight:600;z-index:1000;transition:top var(--wf-duration-fast)}.wf-skip-link:focus{top:6px}.wf-focus-trap{outline:none}.wf-focus-visible:focus-visible{outline:3px solid var(--wf-primary);outline-offset:2px}.wf-error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--wf-gray-50)}.wf-error-content{text-align:center;max-width:600px;padding:var(--wf-space-8)}.wf-error-icon{font-size:4rem;margin-bottom:var(--wf-space-4)}.wf-error-title{font-size:2rem;font-weight:700;color:var(--wf-gray-800);margin-bottom:var(--wf-space-4)}.wf-error-message{color:var(--wf-gray-600);margin-bottom:var(--wf-space-6);line-height:1.6}@media (max-width: 640px){.wf-toast{top:var(--wf-space-2);right:var(--wf-space-2);left:var(--wf-space-2);min-width:auto}.wf-dialog{margin:var(--wf-space-4);max-height:calc(100vh - 2rem)}.wf-dialog__header,.wf-dialog__body,.wf-dialog__footer{padding-left:var(--wf-space-4);padding-right:var(--wf-space-4)}.wf-error-content{padding:var(--wf-space-4)}.wf-error-title{font-size:1.5rem}}@media print{.wf-toast,.wf-dialog-overlay,.wf-network-status,.wf-performance-indicator{display:none!important}}@media (prefers-color-scheme: dark){:root{--wf-white: #1f2937;--wf-gray-50: #111827;--wf-gray-100: #1f2937;--wf-gray-800: #f9fafb;--wf-gray-900: #ffffff}.wf-dialog,.wf-toast{background:var(--wf-gray-100);color:var(--wf-gray-800)}}@media (prefers-reduced-motion: reduce){.wf-toast,.wf-dialog,.wf-skeleton{animation:none!important;transition:none!important}}@media (prefers-contrast: high){.wf-toast{border:2px solid currentColor}.wf-dialog{border:2px solid var(--wf-gray-400)}}@media (hover: none) and (pointer: coarse){.wf-toast__close{min-width:44px;min-height:44px}.wf-dialog__footer .wf-btn{min-height:48px;padding:var(--wf-space-3) var(--wf-space-6)}}@media (max-height: 500px) and (orientation: landscape){.wf-dialog{max-height:90vh;overflow-y:auto}.wf-error-content{padding:var(--wf-space-4)}}.wf-rotate-180{transform:rotate(180deg)}.wf-transition-transform{transition:transform .3s ease}@media (min-width: 768px){.md\:wf-grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}.wf-space-y-6>*+*{margin-top:1.5rem}.wf-gap-2{gap:.5rem}.wf-gap-3{gap:.75rem}.wf-card-header{padding:1.5rem 1.5rem 0}.wf-card-header h3{margin:0}.wf-cursor-pointer{cursor:pointer}.wf-text-xl{font-size:1.25rem;line-height:1.75rem}.wf-border-dashed{border-style:dashed}.wf-border-2{border-width:2px}.wf-border-primary{border-color:var(--wf-primary)}.wf-text-xs{font-size:.75rem;line-height:1rem}@media (max-width: 640px){.wf-px-6{padding-left:1rem;padding-right:1rem}.wf-py-4{padding-top:.75rem;padding-bottom:.75rem}.wf-text-3xl{font-size:1.5rem;line-height:2rem}}.wf-shadow-lg{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.wf-justify-center{justify-content:center}.wf-items-center{align-items:center}.wf-max-w-2xl{max-width:42rem}