:root{--color-bg:#fafbfc;--color-board-bg:#e9ecef;--color-block-border:#222;--color-block-focus:#333;--color-block-shadow:#3333;--color-block-selected-shadow:#2228;--color-group-highlight:#fffbe6;--radius-board:8px;--radius-block:6px;--spacing-gap:4px;--spacing-container:16px;--font-primary:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;--font-display:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;--font-mono:"SF Mono",Monaco,"Cascadia Code","Roboto Mono",Consolas,"Courier 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40px;font-size:1.25rem;font-weight:700;letter-spacing:.04em;border-radius:16px;border:none;background:linear-gradient(135deg,#ffe066,#e0c080)!important;min-width:180px;max-width:240px;display:flex;align-items:center;justify-content:center;box-sizing:border-box;position:relative;overflow:hidden;color:#5a4327!important;cursor:pointer;box-shadow:0 2px 8px #e0c08033,0 6px 24px 0 #ffe06633;backdrop-filter:blur(12px) saturate(1.2);-webkit-backdrop-filter:blur(12px) saturate(1.2);transition:all .25s cubic-bezier(.4,0,.2,1);text-shadow:0 2px 8px rgba(94,231,223,.1),0 1px 2px rgba(0,0,0,.1);outline:none}#start-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.18) 40%,transparent 60%);transition:left .5s cubic-bezier(.4,0,.2,1);z-index:1}#start-button:focus:before,#start-button:hover:before{left:100%}#start-button:focus,#start-button:hover{background:linear-gradient(135deg,rgba(90,111,216,.92),rgba(106,65,144,.92));box-shadow:0 4px 16px rgba(102,126,234,.25),0 12px 32px 0 rgba(118,75,162,.22),0 0 0 3px hsla(0,0%,100%,.18),0 2px 12px 0 rgba(78,205,196,.13);transform:translateY(-2px) scale(1.03);text-shadow:0 4px 16px rgba(78,205,196,.13),0 2px 4px rgba(0,0,0,.13)}#start-button:active{transform:scale(.98);box-shadow:0 1px 4px rgba(102,126,234,.15),0 2px 8px 0 rgba(118,75,162,.12)}#level-switch-button{font-family:Orbitron,Arial,sans-serif;padding:12px 24px;font-size:1.1rem;font-weight:600;letter-spacing:.02em;border-radius:12px;border:none;background:linear-gradient(135deg,#ff8c00,gold);min-width:120px;max-width:180px;display:flex;align-items:center;justify-content:center;box-sizing:border-box;position:relative;overflow:hidden;color:#5a4327;cursor:pointer;box-shadow:0 2px 8px rgba(255,140,0,.3),0 4px 16px 0 rgba(255,215,0,.2);backdrop-filter:blur(12px) saturate(1.2);-webkit-backdrop-filter:blur(12px) saturate(1.2);transition:all .25s cubic-bezier(.4,0,.2,1);text-shadow:0 1px 2px rgba(0,0,0,.1);outline:none}#level-switch-button:focus,#level-switch-button:hover{background:linear-gradient(135deg,#ff7a00,#ffc700);box-shadow:0 4px 16px rgba(255,140,0,.4),0 8px 24px 0 rgba(255,215,0,.3);transform:translateY(-1px) scale(1.02)}#level-switch-button:active{transform:scale(.98);box-shadow:0 1px 4px rgba(255,140,0,.3),0 2px 8px 0 rgba(255,215,0,.2)}[data-theme=dark] #start-button{background:linear-gradient(135deg,rgba(35,36,58,.92),rgba(26,26,46,.92))!important;color:#eaf6ff!important;border:1.5px solid hsla(0,0%,100%,.1);box-shadow:0 2px 8px rgba(102,126,234,.1),0 6px 24px 0 rgba(118,75,162,.1),0 0 0 2px hsla(0,0%,100%,.06),0 1.5px 8px 0 rgba(78,205,196,.06)}#start-button:focus-visible{outline:2.5px solid #4ecdc4;outline-offset:2px}#pause-button{width:44px;height:44px;min-width:44px;min-height:44px;max-width:44px;max-height:44px;padding:0;border-radius:14px;border:2px solid;border-image:linear-gradient(120deg,#ff6b6b,#ee5a24) 1;background:hsla(0,100%,71%,.28);box-shadow:0 4px 16px hsla(0,100%,71%,.18),0 1.5px 8px 0 hsla(0,0%,100%,.1);backdrop-filter:blur(10px) saturate(1.2);display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;transition:background .18s,box-shadow .18s,transform .18s;outline:none}#pause-button:focus,#pause-button:hover{background:hsla(0,100%,71%,.38);box-shadow:0 8px 24px hsla(0,100%,71%,.28),0 0 0 2px hsla(0,0%,100%,.18);transform:scale(1.08);z-index:2}#pause-button:active{transform:scale(.97);box-shadow:0 0 8px 1px #ff6b6b55}#pause-button .control-icon{color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.18)}[data-theme=dark] #pause-button:focus,[data-theme=dark] 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hsla(0,0%,100%,.1);max-width:90vw;animation:z .3s cubic-bezier(.4,0,.2,1);color:#fff}#pause-modal h2{font-family:Orbitron,Arial,sans-serif;font-size:var(--text-3xl);font-weight:700;letter-spacing:.01em;margin-bottom:18px;color:#fff;text-shadow:0 2px 8px hsla(0,0%,100%,.3),0 4px 24px #667eea44;background:linear-gradient(135deg,#fff,#e0e7ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}#pause-modal p{font-family:var(--font-primary);font-size:var(--text-base);font-weight:400;margin-bottom:24px;text-align:center}#pause-modal p,#resume-button{color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.1)}#resume-button{font-family:Orbitron,Arial,sans-serif;font-weight:700;font-size:1.1rem;letter-spacing:.01em;padding:12px 24px;border-radius:10px;border:none;background:linear-gradient(135deg,#667eea,#764ba2);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px rgba(102,126,234,.4),0 0 0 1px hsla(0,0%,100%,.2);display:block;margin:0 auto}#resume-button:focus,#resume-button:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190);transform:translateY(-2px);box-shadow:0 8px 24px rgba(102,126,234,.5),0 0 0 2px hsla(0,0%,100%,.3);text-shadow:0 2px 4px rgba(0,0,0,.2)}#resume-button:active{transform:translateY(0)}#game-over-modal{background:hsla(0,0%,100%,.1);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.2);padding:40px;border-radius:24px;text-align:center;box-shadow:0 16px 48px rgba(0,0,0,.3),0 0 0 1px hsla(0,0%,100%,.1);max-width:90vw;animation:z .4s cubic-bezier(.4,0,.2,1);color:#fff}#game-over-modal h2{font-family:Orbitron,Arial,sans-serif;font-size:var(--text-4xl);font-weight:900;letter-spacing:.01em;margin-bottom:16px;background:linear-gradient(135deg,#fff,#e0e7ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 4px 12px hsla(0,0%,100%,.3)}#final-score{font-family:var(--font-primary);font-size:var(--text-xl);font-weight:var(--font-medium);line-height:var(--leading-snug);letter-spacing:var(--tracking-wide);margin-bottom:24px;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.1)}#restart-button{font-family:Orbitron,Arial,sans-serif;font-size:var(--text-lg);font-weight:700;letter-spacing:.01em;padding:12px 24px;border-radius:10px;border:none;background:linear-gradient(135deg,#ffe066,#e0c080);color:#5a4327;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-shadow:0 1px 2px rgba(0,0,0,.1);box-shadow:0 2px 8px #e0c08033,0 6px 24px 0 #ffe06633}#restart-button:focus,#restart-button:hover{background:linear-gradient(135deg,#f5d95c,#d4b870);transform:translateY(-2px);box-shadow:0 4px 16px #e0c08044,0 8px 32px 0 #ffe06644;text-shadow:0 2px 4px rgba(0,0,0,.2)}#restart-button:active{transform:translateY(0)}[data-theme=dark] #restart-button{background:linear-gradient(135deg,#667eea,#764ba2)!important;color:#fff!important;box-shadow:0 4px 16px rgba(102,126,234,.4),0 0 0 1px hsla(0,0%,100%,.2)!important;text-shadow:0 1px 2px rgba(0,0,0,.2)!important}[data-theme=dark] #restart-button:focus,[data-theme=dark] #restart-button:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190)!important;box-shadow:0 8px 24px rgba(102,126,234,.5),0 0 0 2px hsla(0,0%,100%,.3)!important}@media (max-width:480px){#game-container{max-width:98vw;padding:6vw 3vw 10vw;margin:16px auto}#game-board{width:90vw;height:90vw;min-width:240px;min-height:240px;max-width:98vw;max-height:98vw}#game-info{max-width:90vw;padding:10px 12px;font-size:var(--text-base);letter-spacing:var(--tracking-normal)}h1{font-size:var(--text-2xl);margin-bottom:16px}.block{transition:all .25s cubic-bezier(.4,0,.2,1)}.block.selected{transform:scale(1.05)}.block.refilling{animation:q .25s 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