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rotate(0deg)}}.board-wrapper{aspect-ratio:1/1;flex-shrink:0;margin:4px auto;max-width:min(85vw,85vh - 220px,400px);z-index:1}.board,.board-wrapper{position:relative;width:100%}.board{grid-gap:0;background:var(--bg-board);border:1px solid #ffffff14;border-radius:var(--board-radius);box-shadow:0 0 0 1px #ffffff08,0 8px 32px #00000080,0 2px 8px #0000004d,inset 0 1px 0 #ffffff0f;display:grid;gap:0;grid-template-rows:repeat(8,1fr);height:100%;overflow:hidden}.board:after{border-radius:var(--board-radius);bottom:0;box-shadow:inset 0 0 60px #4d96ff08;content:"";left:0;pointer-events:none;position:absolute;right:0;top:0;z-index:0}.board-row{grid-gap:0;display:grid;gap:0;grid-template-columns:repeat(8,1fr)}.cell{aspect-ratio:1/1;background:var(--grid-cell);border:.5px solid var(--grid-line);cursor:pointer;position:relative;transition:background-color var(--transition-fast);z-index:1}.cell:hover{background:#ffffff0a}.cell-filled{animation:cell-place .25s cubic-bezier(.175,.885,.32,1.275) 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shake{0%,to{transform:translateZ(0)}10%{transform:translate3d(-5px,-1px,0)}20%{transform:translate3d(5px,-2px,0)}30%{transform:translate3d(-4px,1px,0)}40%{transform:translate3d(4px,2px,0)}50%{transform:translate3d(-3px,-1px,0)}60%{transform:translate3d(2px,1px,0)}70%{transform:translate3d(-2px,0,0)}80%{transform:translate3d(1px,-1px,0)}90%{transform:translate3d(-1px,0,0)}}.score-popup{align-items:center;animation:score-float 1.2s ease-out forwards;display:flex;flex-direction:column;left:50%;pointer-events:none;position:absolute;top:50%;transform:translate(-50%,-50%);z-index:10}.score-popup-points{color:#fff;font-size:2.2rem;font-weight:900;letter-spacing:.02em;text-shadow:0 0 20px #fff9,0 0 40px #4d96ff66,0 0 60px #4d96ff33}.score-popup-combo{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#ffd93d,#ff8c42);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 0 10px 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0;content:"";display:block;height:50%;width:100%}.floating-piece{filter:drop-shadow(0 8px 20px rgba(0,0,0,.6));flex-direction:column;left:0;pointer-events:none;position:fixed;top:0;transform-origin:center center;z-index:100}.floating-piece,.floating-piece-row{display:flex;gap:2px}.floating-piece-cell{border-radius:var(--cell-radius);height:calc(min(85vw, 85vh - 220px, 400px)/8 - 2px);width:calc(min(85vw, 85vh - 220px, 400px)/8 - 2px)}.floating-piece-cell.filled{box-shadow:inset 0 1px 1px #ffffff59,inset 0 -1px 1px #00000040,0 2px 8px #0000004d,0 0 12px color-mix(in srgb,#0000 30%,#0000);box-shadow:inset 0 1px 1px #ffffff59,inset 0 -1px 1px #00000040,0 2px 8px #0000004d,0 0 12px color-mix(in srgb,var(--cell-color,#0000) 30%,#0000);position:relative}.floating-piece-cell.filled:before{background:linear-gradient(180deg,#ffffff38,#0000);border-radius:var(--cell-radius) var(--cell-radius) 0 0;content:"";height:45%;left:0;pointer-events:none;position:absolute;right:0;top:0}.floating-piece-cell.filled:after{background:radial-gradient(circle,#fff6 0,#0000 70%);border-radius:50%;content:"";height:5px;left:2px;pointer-events:none;position:absolute;top:2px;width:5px}.game-over-overlay{align-items:center;backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0);background:#0000;bottom:0;display:flex;justify-content:center;left:0;opacity:0;position:fixed;right:0;top:0;transition:all .4s ease;z-index:50}.game-over-visible{backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:#000000b3;opacity:1}.game-over-card{animation:card-enter .5s cubic-bezier(.175,.885,.32,1.275) .1s both;background:linear-gradient(145deg,#161637f7,#0c0c1efc);border:1px solid #ffffff1a;border-radius:28px;box-shadow:0 32px 64px #0009,0 0 0 1px #ffffff0d,inset 0 1px 0 #ffffff1a;max-width:340px;overflow:hidden;padding:36px 44px;position:relative;text-align:center;width:90%}.game-over-card:before{background:linear-gradient(90deg,#4d96ff,#bb86fc,#ff6b9d,#ffd93d);border-radius:28px 28px 0 0;content:"";height:3px;left:0;position:absolute;right:0;top:0}@keyframes card-enter{0%{opacity:0;transform:scale(.85) translateY(30px)}60%{transform:scale(1.02) translateY(-5px)}to{opacity:1;transform:scale(1) translateY(0)}}.game-over-title{color:var(--text-secondary);font-size:1.5rem;font-weight:900;letter-spacing:.2em;margin-bottom:8px;margin-top:8px}.new-high-score{-webkit-text-fill-color:#0000;animation:pulse-glow 1.5s ease-in-out infinite;background:linear-gradient(135deg,#ffd93d,#ff8c42);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 0 8px rgba(255,217,61,.4));font-size:.9rem;font-weight:800;letter-spacing:.12em;margin-bottom:12px}@keyframes pulse-glow{0%,to{filter:drop-shadow(0 0 8px rgba(255,217,61,.3))}50%{filter:drop-shadow(0 0 16px 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48px;position:relative;transition:all .2s ease;width:100%}.play-again-btn:after{animation:btn-shine 3s ease-in-out infinite;background:linear-gradient(90deg,#0000,#ffffff1f,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;width:100%}@keyframes btn-shine{0%{left:-100%}30%{left:100%}to{left:100%}}.play-again-btn:hover{background-position:100% 0;box-shadow:0 8px 30px #4d96ff73,0 0 0 1px #ffffff14;transform:translateY(-3px)}.play-again-btn:active{box-shadow:0 2px 10px #4d96ff4d;transform:translateY(0);transition-duration:.1s}.play-again-btn:focus-visible{outline:2px solid var(--accent);outline-offset:4px}@media (max-height:600px){.app{padding:4px 12px}.app-title{font-size:1.1rem}.score-display{gap:10px;margin:2px 0}.score-section{min-width:80px;padding:4px 12px}.score-value{font-size:1.1rem}.score-label{font-size:.55rem}.piece-tray{min-height:55px;padding:6px 12px}.piece-cell{height:10px;width:10px}.tray-piece{padding:6px}}@media (min-height:700px){.app{gap:4px;padding:16px 20px}.score-display{margin:10px 0}}@media (min-width:768px){.app-title{font-size:2.2rem}.score-value{font-size:2rem}.piece-cell{height:18px;width:18px}.piece-tray{gap:20px;min-height:95px;padding:16px 28px}.tray-piece{padding:12px}}@media (orientation:landscape) and (max-height:500px){.app{flex-direction:row;gap:12px;padding:8px 16px}.app-header{display:none}.board-wrapper{height:85vh;margin:0;max-height:85vh;max-width:none;width:auto}.score-display{margin:0}.piece-tray,.score-display{flex-direction:column;gap:8px}.piece-tray{max-width:none;min-height:0;padding:12px;width:auto}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cell:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;z-index:2}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes 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ease;width:100%}.menu-return-btn:hover{background:#ffffff0f;border-color:#fff3;color:var(--text-primary)}.auth-screen{align-items:center;display:flex;height:100%;justify-content:center;width:100%;z-index:1}.auth-card{animation:card-enter .4s ease-out both;background:linear-gradient(145deg,#161637f2,#0c0c1efa);border:1px solid #ffffff14;border-radius:24px;box-shadow:0 24px 48px #00000080;max-width:360px;padding:36px 32px;text-align:center;width:90%}.auth-title{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#4d96ff,#bb86fc,#ff6b9d);-webkit-background-clip:text;background-clip:text;font-size:1.8rem;font-weight:900;letter-spacing:.15em;margin-bottom:4px}.auth-subtitle{color:var(--text-dim);font-size:.85rem;margin-bottom:24px}.auth-error{background:#ff6b6b1f;border:1px solid #ff6b6b4d;border-radius:10px;color:#ff6b6b;font-size:.8rem;margin-bottom:16px;padding:10px 14px}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-input{background:#ffffff0f;border:1px solid #ffffff1a;border-radius:12px;color:var(--text-primary);font-size:.9rem;outline:none;padding:14px 16px;transition:border-color .2s ease}.auth-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4d96ff26}.auth-input::placeholder{color:var(--text-dim)}.auth-btn{border:none;border-radius:12px;cursor:pointer;font-size:.9rem;font-weight:700;letter-spacing:.08em;padding:14px 24px;transition:all .2s ease}.auth-btn-primary{background:linear-gradient(135deg,#4d96ff,#6366f1);box-shadow:0 4px 16px #4d96ff4d;color:#fff}.auth-btn-primary:hover{box-shadow:0 6px 24px #4d96ff66;transform:translateY(-2px)}.auth-btn-primary:disabled{cursor:not-allowed;opacity:.6;transform:none}.auth-btn-ghost{background:#0000;border:1px solid #ffffff1f;color:var(--text-secondary);margin-top:8px}.auth-btn-ghost:hover{background:#ffffff0f;color:var(--text-primary)}.auth-switch{margin:16px 0 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.menu-btn-icon{background:linear-gradient(135deg,#4d96ff33,#6366f133);color:#4d96ff}.menu-btn-daily .menu-btn-icon{background:linear-gradient(135deg,#ffd93d33,#ff8c4233);color:#ffd93d}.menu-btn-leaderboard .menu-btn-icon{background:linear-gradient(135deg,#4ecdc433,#6bcb7733);color:#4ecdc4}.menu-btn-profile .menu-btn-icon{background:linear-gradient(135deg,#bb86fc33,#ff6b9d33);color:#bb86fc}.menu-btn-text{display:flex;flex-direction:column;gap:2px}.menu-btn-label{font-size:.9rem;font-weight:700;letter-spacing:.06em}.menu-btn-desc{color:var(--text-dim);font-size:.7rem;letter-spacing:.02em}.menu-footer{display:flex;gap:12px}.menu-link{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:.75rem;letter-spacing:.02em;padding:4px 8px}.menu-link:hover{color:var(--text-secondary)}.sign-in-prompt{color:var(--accent);font-size:.8rem;margin-top:auto;padding-bottom:16px}.sign-in-prompt:hover{color:var(--accent);text-decoration:underline}.leaderboard-screen{align-items:flex-start;display:flex;height:100%;justify-content:center;overflow-y:auto;padding:16px;width:100%;z-index:1}.leaderboard-card{animation:card-enter .4s ease-out both;background:linear-gradient(145deg,#161637f2,#0c0c1efa);border:1px solid #ffffff14;border-radius:24px;box-shadow:0 24px 48px #00000080;max-width:400px;padding:24px;width:100%}.leaderboard-header{align-items:center;display:flex;gap:12px;margin-bottom:16px}.leaderboard-title{color:var(--text-primary);font-size:1.2rem;font-weight:800;letter-spacing:.15em}.leaderboard-tabs{background:#ffffff0a;border-radius:10px;display:flex;gap:4px;margin-bottom:16px;padding:3px}.tab-btn{background:#0000;border:none;border-radius:8px;color:var(--text-dim);cursor:pointer;flex:1 1;font-size:.8rem;font-weight:600;padding:8px;transition:all .2s ease}.tab-btn:hover{color:var(--text-secondary)}.tab-active{background:#4d96ff26;color:var(--accent)}.leaderboard-list{display:flex;flex-direction:column;gap:4px;max-height:60vh;overflow-y:auto}.leaderboard-row{align-items:center;background:#ffffff05;border-radius:10px;display:flex;gap:12px;padding:10px 12px;transition:background .15s ease}.leaderboard-row:hover{background:#ffffff0d}.leaderboard-top{background:#ffffff0a}.leaderboard-rank{color:var(--text-dim);flex-shrink:0;font-size:.85rem;font-weight:700;text-align:center;width:36px}.rank-1{color:#ffd93d}.rank-2{color:silver}.rank-3{color:#cd7f32}.leaderboard-name{color:var(--text-primary);flex:1 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