html,body{margin:0;padding:0}html{min-height:100%;background:linear-gradient(135deg,#1a2a6c,#b21f1f,#fdbb2d);background-attachment:fixed}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:transparent;box-sizing:border-box;padding:20px;color:#333;min-height:100dvh;overflow-x:hidden}.container{max-width:1300px;margin:0 auto;background:#ffffffe6;padding:20px;border-radius:10px;box-shadow:0 10px 30px #0000004d;position:relative}h1{text-align:center;color:#2c3e50;margin-bottom:20px;font-size:2.5em;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.current-user-name{text-align:center;color:#7f8c8d;font-size:.95rem;margin:-10px 0 15px;min-height:1.2em}.game-area{display:flex;flex-direction:column;align-items:center}canvas{border:3px solid #2c3e50;border-radius:5px;background:#f4f4f4;box-shadow:0 5px 15px #0003}#controls{display:flex;justify-content:center;gap:20px;margin-top:20px;padding:15px;background:#ecf0f1;border-radius:8px;box-shadow:0 3px 10px #0000001a;flex-wrap:wrap}.control-group{display:flex;flex-direction:column;align-items:center}label{font-weight:700;margin-bottom:5px;color:#2c3e50}select,button{padding:8px 15px;border:2px solid #3498db;border-radius:5px;background:#fff;font-size:16px;cursor:pointer;transition:all .3s}select:hover,button:hover{background:#f8f9fa;border-color:#2980b9}button{background:#3498db;color:#fff;font-weight:700}button:hover{background:#2980b9}.instructions{margin-top:25px;padding:15px;background:#d4e6f1;border-radius:8px;line-height:1.6}.instructions h3{color:#2c3e50;margin-top:0}footer{text-align:center;margin-top:30px;font-size:14px;color:#7f8c8d}a{color:#3498db;text-decoration:none}a:hover{text-decoration:underline}.status{margin-top:15px;font-weight:700;text-align:center;min-height:24px;color:#2c3e50}#statusMessage{display:none}.player-count{margin-top:10px;text-align:center}.download-section{margin-top:20px;text-align:center}.save-notice{margin-top:10px;padding:10px;background:#d5f5e3;border-radius:5px;font-size:14px;display:none}.danger-zone{margin-top:20px;padding:15px;background:#ffecb3;border-radius:8px;text-align:center}.danger-zone button{background:#e74c3c}.danger-zone button:hover{background:#c0392b}.confetti-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1000}.confetti{position:absolute;pointer-events:none;z-index:1000}#modeToggle{display:none!important}@keyframes confetti-fall{0%{transform:translateY(-100px) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(360deg);opacity:0}}@keyframes confetti-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes confetti-wiggle{0%,to{transform:translate(0)}50%{transform:translate(10px)}}.level-selector{margin-top:10px;padding:0;background:transparent;border-radius:0;width:100%;max-width:none;box-sizing:border-box}.level-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-top:10px;max-height:420px;overflow-y:auto;overflow-x:hidden;padding-right:4px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.level-button{width:100%;box-sizing:border-box;padding:10px;background:#3498db;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:all .3s;text-align:center}.level-button:hover{background:#2980b9;transform:translateY(-2px)}.level-button.current-level{border:2px solid #ff4d4f;box-shadow:0 0 0 2px #ff4d4f59,0 0 14px #ff4d4f8c,0 8px 18px #00000040;transform:translateY(-1px)}.level-button.completed{background:#2ecc71}.mode-toggle{position:absolute;top:20px;right:20px;background:#2c3e50;color:#fff;border:none;padding:8px 15px;border-radius:5px;cursor:pointer;z-index:10}.portal-button{position:fixed;top:20px;left:20px;background:#f5f5f5;color:#333;border:none;padding:10px 20px;border-radius:25px;cursor:pointer;font-weight:700;font-size:14px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;box-shadow:0 2px 8px #00000026;z-index:10000;display:inline-block;transition:all .3s ease}.portal-button:hover{background:#e8e8e8;box-shadow:0 4px 12px #0003;transform:translateY(-1px)}.portal-button:active{transform:translateY(0);box-shadow:0 2px 6px #00000026}.developer-only{display:none}.consumer-mode .developer-only{display:none!important}.developer-mode .developer-only{display:block}.consumer-mode #controls{display:none}.consumer-mode .level-selector{display:block}.developer-mode .level-selector{display:none}.start-screen{position:fixed;inset:0;background:linear-gradient(120deg,#1e3c72,#2a5298,#e52d27,#ff6e00);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999;color:#fff}#mainContainer{display:none}body.in-game #mainContainer{display:block}#gameTopRightControls{position:static;display:flex;justify-content:center;align-items:center;gap:8px;margin:-4px 0 14px;z-index:100}#gameTopRightControls .controls-left,#gameTopRightControls .controls-right{display:flex;gap:8px;align-items:center}.top-stats{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:#2c3e50;font-size:14px;font-weight:600;margin-right:6px}.top-stats .player-count,.top-stats .objective-count,.top-stats .move-count,.top-stats .fewest-other-moves{margin:0;text-align:left;white-space:nowrap}#blockTipToggle{background:#9b59b6;position:relative}#blockTipToggle.hint-toggle--notify:after{content:"";position:absolute;top:4px;right:4px;width:8px;height:8px;border-radius:50%;background:#f1c40f;box-shadow:0 0 0 2px #9b59b6}#blockTipStats{margin-top:8px;color:#2c3e50;font-size:14px;font-weight:600;display:flex;flex-direction:column;align-items:flex-start;gap:4px;width:100%;box-sizing:border-box}#blockTipStats .player-count,#blockTipStats .objective-count{margin:0;text-align:left;white-space:nowrap;width:100%}#gameTopRightControls button{display:none;border:none;border-radius:8px;padding:8px 12px;color:#fff;font-weight:700;font-size:14px;cursor:pointer;box-shadow:0 2px 8px #00000040}body.in-game #gameTopRightControls button{display:inline-block}#musicToggle{background:#3498db}#restartLevelBtn{background:#e74c3c}#antigravityToggle{background-color:#e67e22}.start-screen h1{font-size:3rem;margin-bottom:20px;text-shadow:2px 2px 5px #000}#startButton{padding:12px 24px;font-size:1.2rem;font-weight:700;background:linear-gradient(145deg,#2d9cdb,#4a69bd);color:#fff;border:none;border-radius:8px;cursor:pointer;box-shadow:2px 2px 10px #0000004d;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}#startButton:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 6px 14px #00000047}.start-screen-buttons{display:flex;flex-direction:column;gap:15px;align-items:center}#leaderboardButton{padding:12px 24px;font-size:1.2rem;font-weight:700;background:linear-gradient(145deg,#f39c12,#d35400);color:#fff;border:none;border-radius:8px;cursor:pointer;box-shadow:2px 2px 10px #0000004d;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}#leaderboardButton:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 6px 14px #00000047}#instructionsButton{padding:12px 24px;font-size:1.1rem;font-weight:700;background:linear-gradient(145deg,#e74c3c,#b71c1c);color:#fff;border:none;border-radius:8px;cursor:pointer;box-shadow:2px 2px 10px #0000004d;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}#instructionsButton:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 6px 14px #00000047}#loginPrompt{margin-top:12px;padding:10px 16px;background:#e74c3c33;border:1px solid #e74c3c;border-radius:8px;color:#fff;font-size:.95rem;text-align:center}#loginPrompt a{color:#f1c40f;text-decoration:underline;margin-left:6px}#loginPrompt a:hover{color:#f39c12}html.modal-scroll-lock,body.modal-scroll-lock{overflow:hidden!important;overscroll-behavior:none}html.modal-scroll-lock{height:100%}body.modal-scroll-lock{position:fixed;width:100%;left:0;right:0;min-height:100dvh;box-sizing:border-box;padding-right:calc(20px + var(--modal-scrollbar-width, 0px));background:linear-gradient(135deg,#1a2a6c,#b21f1f,#fdbb2d);background-attachment:fixed}.leaderboard-modal{display:none;position:fixed;inset:0;background:#000c;z-index:10001;justify-content:center;align-items:center;overflow:hidden;overscroll-behavior:none;touch-action:none}.leaderboard-modal.active{display:flex}.leaderboard-modal.active .leaderboard-content,.leaderboard-modal.active .guide-content,.leaderboard-modal.active .level-complete-content{touch-action:pan-y;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.guide-content h2{margin:16px 0 8px;font-size:1.15rem}.guide-content p{margin:6px 0 0;line-height:1.55;opacity:.96}.guide-content ul{margin:8px 0 0 20px;line-height:1.55}.level-complete-content{max-width:420px;text-align:center}.level-complete-actions{margin-top:16px;display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.level-complete-stats{margin-top:10px;display:flex;flex-direction:column;gap:6px;color:#fffffff2;font-weight:600}.level-complete-achievement{margin:10px 0 0;min-height:1.2em;font-size:.92rem;font-weight:700;color:#ffe58a;text-align:center}.level-complete-replay{margin-top:12px;padding:10px;border-radius:10px;background:#0000002e;text-align:left;position:relative}.level-complete-replay.locked .level-complete-replay-lock{display:flex}.level-complete-replay-canvas-wrap{position:relative;width:100%;max-width:320px;margin:0 auto}.level-complete-replay-lock{position:absolute;inset:0;background:#ffffff61;-webkit-backdrop-filter:blur(1.5px);backdrop-filter:blur(1.5px);border-radius:8px;display:none;align-items:center;justify-content:center;flex-direction:column;gap:10px;z-index:2;cursor:pointer;color:#2c3e50;font-weight:700;text-align:center;padding:12px;box-sizing:border-box}.level-complete-replay-lock-icon{width:48px;height:48px;border-radius:999px;background:#fff;border:2px solid #d9d9d9;display:flex;align-items:center;justify-content:center;font-size:24px}.level-complete-replay-lock-text{font-size:.94rem;line-height:1.35}.level-complete-replay-title{margin:0 0 8px;font-size:.95rem;font-weight:700;color:#fffffff5}.level-complete-replay-subtitle{margin:0 0 8px;font-size:.84rem;color:#ffffffe0;text-align:center}.level-complete-replay canvas{width:100%;max-width:320px;height:auto;border-radius:8px;border:1px solid rgba(255,255,255,.22);background:#090d15b3;display:block;margin:0 auto}.level-complete-replay-hint,.level-complete-replay-step,.level-complete-replay-event{margin:8px 0 0;font-size:.84rem;color:#ffffffe0;text-align:center}.level-complete-replay-step{font-weight:700;color:#fffffff5}.replay-step-nav{display:grid;grid-template-columns:repeat(3,48px);grid-template-rows:repeat(3,44px);gap:6px;justify-content:center;margin:12px auto 4px;max-width:180px}.replay-step-nav-btn{border:none;border-radius:10px;background:#ffffffeb;color:#1a2a6c;font-size:1.25rem;font-weight:700;line-height:1;cursor:pointer;box-shadow:0 2px 8px #00000040;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.replay-step-nav-btn:active{transform:scale(.96);background:#ffffffc7}.replay-step-nav-btn--up{grid-column:2;grid-row:1}.replay-step-nav-btn--left{grid-column:1;grid-row:2}.replay-step-nav-btn--right{grid-column:3;grid-row:2}.replay-step-nav-btn--down{grid-column:2;grid-row:3}.level-complete-replay-event{color:#ffe58a;font-weight:700;min-height:1.2em}.level-complete-actions button{border:none;border-radius:8px;padding:10px 18px;color:#fff;font-weight:700;cursor:pointer;box-shadow:0 4px 10px #00000040}#levelCompleteRetryBtn{background:linear-gradient(145deg,#16a085,#1abc9c)}#levelCompleteNextBtn{background:linear-gradient(145deg,#2d9cdb,#4a69bd)}.undo-exchange-modal{display:none;position:fixed;inset:0;background:#0000008c;z-index:10002;justify-content:center;align-items:center;padding:16px;box-sizing:border-box;overflow:hidden;overscroll-behavior:none;touch-action:none}.undo-exchange-modal.active{display:flex}.undo-exchange-modal.active .undo-exchange-panel{touch-action:pan-y;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;max-height:min(85vh,100%);overflow-y:auto}.undo-exchange-panel{background:linear-gradient(165deg,#1e2d45,#141c2e 55%,#121a2c);color:#f4f6fb;border-radius:16px;padding:22px 24px 18px;width:min(92vw,400px);box-shadow:0 16px 48px #00000080;font-family:Segoe UI,system-ui,sans-serif}.undo-exchange-title{margin:0 0 16px;font-size:1.35rem;font-weight:700;letter-spacing:.02em}.undo-exchange-section{margin-bottom:0}.undo-exchange-section--cost{margin-bottom:14px}.undo-exchange-section--assets{padding-top:14px;border-top:1px solid rgba(255,255,255,.12)}.undo-exchange-section-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#a8b9d4f2;margin:0 0 8px}.undo-exchange-section-body.undo-exchange-cost-line{margin:0;font-size:1.05rem;opacity:.98}.undo-exchange-cost-line strong{font-weight:700;color:#fff}.undo-exchange-balances{margin:0;font-size:.98rem;line-height:1.5}.undo-exchange-balances p{margin:4px 0}.undo-exchange-balances span{font-weight:600;color:#fff}.undo-exchange-balance-row{display:flex;align-items:center;justify-content:flex-start;gap:6px;margin:5px 0}.undo-exchange-currency-icon{width:22px;height:22px;flex-shrink:0;object-fit:contain;vertical-align:middle}.undo-exchange-balance-value{font-weight:600;color:#fff}.undo-exchange-cost-part{display:inline-flex;align-items:center;gap:5px;vertical-align:middle}.undo-exchange-cost-part .undo-exchange-currency-icon{width:18px;height:18px}.undo-exchange-cost-num{font-weight:700}.level-complete-replay-lock-cost{display:inline-flex;align-items:center;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:4px;font-weight:700}.level-complete-replay-lock-cost .undo-exchange-cost-part{gap:3px}.undo-exchange-message{min-height:1.2em;font-size:.9rem;margin:10px 0 0;opacity:.92}.undo-exchange-message.error{color:#ff8a8a}.undo-exchange-message.success{color:#6ee7b7}.undo-exchange-message.hint{color:#a8b9d4}.undo-exchange-footer{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:22px;flex-wrap:wrap}.undo-exchange-footer button{border:none;border-radius:12px;padding:11px 22px;font-size:.98rem;font-weight:700;cursor:pointer;transition:transform .12s ease,filter .12s ease}.undo-exchange-footer button:hover:not(:disabled){filter:brightness(1.06)}.undo-exchange-footer button:active:not(:disabled){transform:scale(.98)}.undo-exchange-btn-cancel{background:#3d4d63;color:#fff}.undo-exchange-btn-confirm{background:linear-gradient(180deg,#f39c3d,#e67e22);color:#fff;box-shadow:0 4px 14px #e67e2273}.undo-exchange-btn-confirm:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.block-tip-modal{display:none;position:fixed;inset:0;background:#000000b3;z-index:10001;justify-content:center;align-items:center;overflow:hidden;overscroll-behavior:none;touch-action:none}.block-tip-modal.active{display:flex}.block-tip-modal.active .block-tip-content{touch-action:pan-y;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.block-tip-content{background:#fff;color:#2c3e50;padding:20px;border-radius:12px;width:min(92vw,480px);max-height:72vh;overflow-y:auto;box-shadow:0 10px 35px #00000059}.block-tip-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.block-tip-header h3{margin:0;font-size:1.25rem}.close-block-tip{border:none;background:#e9ecef;color:#2c3e50;border-radius:999px;width:34px;height:34px;font-size:20px;line-height:1;cursor:pointer}.hint-section{margin-top:16px}.hint-section:first-of-type{margin-top:0}.hint-section-title{margin:0 0 8px;font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#6c7a89}#blockDescription{margin:0;line-height:1.5;font-size:.95rem}.hint-solution-divider{border:none;border-top:1px solid #e2e8f0;margin:18px 0}.hint-solution-summary{margin:0 0 10px;font-size:.95rem;line-height:1.45}.hint-solution-note{margin:8px 0 0;font-size:.84rem;color:#6c7a89;line-height:1.4}.hint-solution-action{display:inline-block;border:none;border-radius:8px;padding:10px 16px;font-size:.95rem;font-weight:700;color:#fff;background:linear-gradient(180deg,#b07cc6,#9b59b6);cursor:pointer;box-shadow:0 2px 10px #9b59b659}.hint-solution-action:hover:not(:disabled){filter:brightness(1.05)}.hint-solution-action:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.leaderboard-content{background:linear-gradient(135deg,#1a2a6c,#b21f1f,#fdbb2d);padding:30px;border-radius:15px;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 10px 40px #00000080;color:#fff}.leaderboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.leaderboard-header h2{margin:0;font-size:2rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.close-leaderboard{background:#fff3;border:none;color:#fff;font-size:1.5rem;width:40px;height:40px;border-radius:50%;cursor:pointer;transition:all .3s}.close-leaderboard:hover{background:#ffffff4d;transform:rotate(90deg)}.leaderboard-filter{display:flex;align-items:center;gap:10px;margin-bottom:14px}.leaderboard-filter label{font-weight:700}.leaderboard-filter select{flex:1;max-width:300px;padding:8px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.45);background:#ffffff26;color:#fff}.leaderboard-filter select option{color:#111}.leaderboard-list{list-style:none;padding:0;margin:0}.leaderboard-item{display:flex;justify-content:space-between;align-items:center;padding:15px;margin-bottom:10px;background:#ffffff1a;border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.leaderboard-rank{font-size:1.5rem;font-weight:700;min-width:50px}.leaderboard-rank.gold{color:gold}.leaderboard-rank.silver{color:silver}.leaderboard-rank.bronze{color:#cd7f32}.leaderboard-user{flex:1;margin-left:15px;font-size:1.1rem}.leaderboard-score{font-size:1.2rem;font-weight:700;min-width:80px;text-align:right}.leaderboard-loading{text-align:center;padding:40px;font-size:1.2rem}.leaderboard-error{text-align:center;padding:40px;color:#ff6b6b;font-size:1.1rem}#gameLayoutRow{display:flex;gap:12px;width:100%;align-items:stretch}#gameSidePanel{display:flex;flex-direction:column;gap:4px;flex:1 1 0;width:auto;min-width:0;min-height:0;background:transparent;border-radius:0;padding:0;box-sizing:border-box;overflow:hidden;overscroll-behavior:contain}.canvas-container{display:flex;justify-content:center;align-items:center;flex:4 1 0;width:auto;min-width:0;overflow:hidden}canvas{max-width:100%;display:block}#rotateNotice{display:none;position:fixed;inset:0;z-index:100002;align-items:center;justify-content:center;flex-direction:column;gap:12px;padding:24px;box-sizing:border-box;background:#0f172ae0;color:#f8fafc;text-align:center;font-weight:600;font-size:1.1rem;line-height:1.5}#rotateNotice.is-visible{display:flex;cursor:pointer;-webkit-tap-highlight-color:transparent}#rotateNotice .rotate-notice-icon{font-size:2.5rem;line-height:1}#rotateNotice .rotate-notice-sub{font-weight:400;font-size:.95rem;color:#cbd5e1;max-width:20rem}#rotateNotice .rotate-notice-dismiss{margin-top:20px;padding:12px 28px;font-size:1rem;font-weight:700;border:none;border-radius:10px;background:#3b82f6;color:#fff;cursor:pointer;box-shadow:0 2px 12px #00000040}#rotateNotice .rotate-notice-dismiss:hover,#rotateNotice .rotate-notice-dismiss:focus-visible{background:#2563eb;outline:none}#rotateNotice .rotate-notice-dismiss:focus-visible{box-shadow:0 0 0 3px #3b82f680}@media screen and (max-width:900px){#gameLayoutRow{flex-direction:column!important;align-items:center!important;gap:10px!important;width:100%}#gameSidePanel{width:100%!important;flex:none!important;align-items:center}.canvas-container{flex:none!important;flex-grow:0!important;flex-shrink:0!important;flex-basis:auto!important;width:100%!important;max-width:100%!important;display:flex;justify-content:center;align-items:center;margin:0 auto;min-width:0!important;overflow:visible}canvas{max-width:100%!important;display:block;margin-left:auto;margin-right:auto}#gameTopRightControls{margin:0 0 10px;flex-wrap:wrap}#gameTopRightControls .controls-left,#gameTopRightControls .controls-right{gap:6px}#gameTopRightControls button{font-size:12px;padding:6px 9px}.top-stats{width:100%;justify-content:center;margin-right:0}.level-selector{max-width:90vw!important}.level-grid{max-height:300px!important}.portal-button{top:10px!important;left:10px!important;padding:8px 16px!important;font-size:12px!important}.leaderboard-content{padding:20px!important;max-width:95%!important}.leaderboard-header h2{font-size:1.5rem!important}.leaderboard-item{padding:12px!important;font-size:.9rem!important}.leaderboard-rank{font-size:1.2rem!important;min-width:40px!important}.leaderboard-user{font-size:1rem!important}.leaderboard-score{font-size:1rem!important;min-width:60px!important}.leaderboard-filter{flex-direction:column;align-items:stretch}.leaderboard-filter select{max-width:100%}.start-screen-buttons{gap:12px!important}#startButton,#leaderboardButton,#instructionsButton{padding:10px 20px!important;font-size:1rem!important}}