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rgba(42,82,152,.12)}.control-key{font-size:.62rem;font-weight:700;color:#1a3d7a;line-height:1.15}.control-action{font-size:.6rem;font-weight:600;color:#1a3d7abd;line-height:1.15;text-align:right}.pause-overlay{position:absolute;inset:0;background:#0f142873;display:flex;align-items:center;justify-content:center;border-radius:24px;z-index:10;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.countdown-overlay{position:absolute;inset:0;z-index:14;display:flex;align-items:center;justify-content:center;border-radius:24px;pointer-events:none;background:#0f14283d;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.countdown-panel{min-width:clamp(150px,18vw,220px);min-height:clamp(150px,18vw,220px);display:flex;align-items:center;justify-content:center;padding:1.25rem 1.75rem;border-radius:26px;border:2px solid rgba(255,255,255,.45);background:linear-gradient(160deg,#ffffffe6,#e7efffc7);box-shadow:0 18px 42px #0a183c2e,inset 0 1px #ffffffb3,inset 0 -18px 36px #7896ff14;animation:countdown-pop .8s ease both;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.countdown-panel-go{background:linear-gradient(160deg,#ecfaf1f0,#dcf4ffd1);border-color:#57a08257}.countdown-step{display:inline-flex;align-items:center;justify-content:center;min-width:1.4em;color:#1a3d7a;font-size:clamp(4rem,3rem + 3vw,6.5rem);font-weight:900;line-height:1;text-shadow:0 4px 14px rgba(255,255,255,.35)}.countdown-panel-go .countdown-step{color:#1f6a52;font-size:clamp(3rem,2.35rem + 2vw,4.75rem);text-transform:uppercase}@keyframes countdown-pop{0%{opacity:0;transform:translateY(12px) scale(.94)}18%{opacity:1;transform:translateY(-3px) scale(1.02)}70%{opacity:1;transform:scale(1)}to{opacity:0;transform:translateY(-8px) scale(.98)}}.pause-card{background:#ffffffe6;border:2px solid rgba(42,82,152,.25);border-radius:16px;padding:1.5rem 2rem;text-align:center;box-shadow:0 10px 24px #00000026,inset 0 2px 4px #fff6;min-width:220px}.pause-card h3{margin:0 0 1rem;color:#2a5298;text-transform:uppercase;letter-spacing:.8px}.pause-actions{display:flex;flex-direction:column;gap:.65rem}.resume-button{background:linear-gradient(135deg,#64c864b3,#329632b3);border:2px solid rgba(50,150,50,.6);border-radius:12px;padding:.6rem 1.2rem;font-size:.95rem;font-weight:700;color:#fff;cursor:pointer;transition:all .2s ease}.resume-button:hover{transform:translateY(-2px);box-shadow:0 6px 14px #32963259}.pause-card .back-button{background:linear-gradient(135deg,#6496ffb3,#3264c8b3);border:2px solid rgba(50,100,200,.6);border-radius:12px;padding:.6rem 1.2rem;font-size:.95rem;font-weight:700;color:#fff;cursor:pointer;transition:all .2s ease}.pause-card .back-button:hover{transform:translateY(-2px);box-shadow:0 6px 14px #3264c859}.game-screen.dark .game-card{background:linear-gradient(135deg,#1e1e3c66,#14142880);border-color:#6464c880;box-shadow:0 8px 32px #0006,0 0 20px #6464c840,inset 0 2px 4px #6464c833;animation:pulse-panel 4s ease-in-out infinite}.game-screen.dark .game-options{background:#6496ff4d;border-color:#6496ff99;color:#f0f5ff}.game-screen.dark .game-options:hover:not(:disabled){background:#78aaff66}.game-screen.dark .control-hint{border-color:#82aaff29}.game-screen.dark .control-key{color:#d0e0ff}.game-screen.dark .control-action{color:#d0e0ffb8}.game-screen.dark .turn-indicator{color:#d8e7ff;background:#5782dc38;border-color:#82aaff73;box-shadow:0 0 0 1px #ffffff0a inset}.game-screen.dark .turn-indicator.is-your-turn{color:#e8fff1;background:#3ca06459;border-color:#78dca099}.game-screen.dark .pause-overlay{background:#050a198c}.game-screen.dark .countdown-overlay{background:#050a196b}.game-screen.dark .countdown-panel{border-color:#82aaff66;background:linear-gradient(160deg,#1c264ae0,#121c3acc);box-shadow:0 18px 44px #00000075,0 0 30px #4dd7ff24,inset 0 1px #b4d2ff2e,inset 0 -16px 30px #4dd7ff14}.game-screen.dark .countdown-panel-go{background:linear-gradient(160deg,#183e3ce6,#13284cd1);border-color:#78dca057}.game-screen.dark .countdown-step{color:#eef4ff;text-shadow:0 4px 16px rgba(0,0,0,.36)}.game-screen.dark .countdown-panel-go .countdown-step{color:#cffff0}.game-screen.dark .pause-card{background:#141428e6;border-color:#6464c866;box-shadow:0 10px 24px #00000080,inset 0 2px 4px #6464c833}.game-screen.dark .pause-card h3{color:#d0e0ff;text-shadow:0 0 10px rgba(100,150,255,.5)}.game-screen.dark .stat-label{color:#b0c4ff}.game-screen.dark .stat-value{color:#d0d8ff;text-shadow:0 0 6px rgba(100,150,255,.3)}.game-screen.dark .game-board{background:#1e1e3c99;border-color:#6464c866;box-shadow:inset 0 0 20px #0006,0 10px 24px #0000004d}.game-screen.dark .game-board:after{content:"";position:absolute;inset:-2px;border-radius:inherit;pointer-events:none;box-shadow:0 0 22px #7896ff57;animation:pulse-game-board 4s ease-in-out infinite}.game-screen.skin-neon .game-board:after{display:none}.game-screen.dark .cell-empty{background:#3232504d;box-shadow:inset 0 0 4px #6464c833}.game-screen.dark .game-board.board-easter-egg-active .cell-empty{background:#12183052;box-shadow:inset 0 0 0 1px #bedcff29,inset 0 0 8px #0000003d}.game-screen.dark .cell-ghost{background:#5064a026;border:2px dashed rgba(140,170,255,.4);box-shadow:none}.game-screen.dark .side-panel h3,.game-screen.dark .hold-panel h3{color:#d0e0ff;text-shadow:0 0 8px rgba(120,150,255,.6)}.game-screen.dark .next-grid{background:#1e1e3c99;border-color:#6464c866;animation:pulse-game-board 4s ease-in-out infinite}.game-screen.dark .game-board.board-flash{animation-duration:.9s;animation-timing-function:ease-out;animation-iteration-count:1}.game-screen.dark .game-board.board-flash-level{animation-name:board-flash-level-dark}.game-screen.dark .game-board.board-flash-tetris{animation-name:board-flash-tetris-dark}.game-screen.dark .game-board.board-flash-clear{animation-name:board-flash-clear-dark}@keyframes board-flash-level-dark{0%{border-color:#3ca0ff;box-shadow:inset 0 0 24px #3ca0ff38,0 0 0 5px #3ca0ff73,0 0 44px #2878ffbf}50%{border-color:#78c8fff2;box-shadow:inset 0 0 32px #64b4ff47,0 0 0 6px #64b4ff66,0 0 60px #50a0ff99}to{border-color:#6464c866;box-shadow:inset 0 0 20px #0006,0 10px 24px #0000004d}}@keyframes board-flash-tetris-dark{0%{border-color:#ff3c3c;box-shadow:inset 0 0 24px #ff3c3c33,0 0 0 5px #ff3c3c73,0 0 44px #ff3c3cb8}14%{border-color:#ffa000;box-shadow:inset 0 0 24px #ffa00033,0 0 0 5px #ffa00073,0 0 44px #ffa000b8}28%{border-color:#ffe600;box-shadow:inset 0 0 24px #ffe60033,0 0 0 5px #ffe60073,0 0 44px #ffe600b8}42%{border-color:#3cdc3c;box-shadow:inset 0 0 24px #3cdc3c33,0 0 0 5px #3cdc3c73,0 0 44px #3cdc3cb8}56%{border-color:#3ca0ff;box-shadow:inset 0 0 24px #3ca0ff33,0 0 0 5px #3ca0ff73,0 0 44px #3ca0ffb8}70%{border-color:#b43cff;box-shadow:inset 0 0 24px #b43cff33,0 0 0 5px #b43cff73,0 0 44px #b43cffb8}to{border-color:#6464c866;box-shadow:inset 0 0 20px #0006,0 10px 24px #0000004d}}@keyframes board-flash-clear-dark{0%{border-color:#ff3c3c;box-shadow:inset 0 0 24px #ff3c3c38,0 0 0 5px #ff3c3c7a,0 0 44px #dc1e1ebf}50%{border-color:#ff7878f2;box-shadow:inset 0 0 32px #ff505047,0 0 0 6px #ff505066,0 0 60px #c8141499}to{border-color:#6464c866;box-shadow:inset 0 0 20px #0006,0 10px 24px #0000004d}}@keyframes pulse-game-board{0%,to{opacity:.4}50%{opacity:1}}.game-screen.dark .cell-i,.game-screen.dark .cell-o,.game-screen.dark .cell-t,.game-screen.dark .cell-l,.game-screen.dark .cell-j,.game-screen.dark .cell-z,.game-screen.dark .cell-s{box-shadow:inset 0 0 6px #ffffff80}.game-screen.dark .cell-black{background:#6f6f6f;box-shadow:inset 0 0 6px #00000080}@media(max-width:900px){.game-header{flex-direction:column;align-items:flex-start}.game-layout{grid-template-columns:1fr}.side-panel,.hold-panel{flex-direction:row;flex-wrap:wrap}.panel{flex:1 1 200px}}@media(max-width:1280px),(max-height:820px){.game-card{max-height:calc(100vh - 4.25rem)}.game-header{margin-bottom:clamp(1.25rem,.45rem + 1.65vw,2rem)}.stat-value{font-size:1rem}.side-panel,.hold-panel{margin-top:clamp(-50px,-3.6vw,-35px)}.game-board{--cell-size: clamp(26px, calc((100vh - 240px)/20) , 42px);margin-top:clamp(-50px,-3.6vw,-35px);padding:clamp(1rem,.8rem + .45vw,1.2rem)}.next-grid{width:110px;height:110px}}@media(max-height:740px){.game-card{max-height:calc(100vh - 4.25rem)}.side-panel,.hold-panel{margin-top:-35px}.game-board{--cell-size: clamp(24px, calc((100vh - 220px)/20) , 38px);margin-top:-35px;padding:1rem}.next-grid{width:100px;height:100px;padding:.6rem}.control-hint{min-height:18px}.control-key,.control-action{font-size:.58rem}}@media(max-width:720px){.game-card{max-height:calc(100vh - 4.25rem)}.game-header{margin-bottom:1.5rem}.game-board{--cell-size: clamp( 22px, min( calc((100vh - 220px)/20) , calc((100vw - 180px)*.1) ), 36px );margin-top:0;padding:1rem}.side-panel,.hold-panel{margin-top:0}.next-grid{width:110px;height:110px}}@media(max-width:520px){.game-card{padding:1rem}.game-layout{align-items:center;flex-direction:column;gap:1rem}.game-board{--cell-size: clamp( 18px, min( calc((100vh - 200px)/20) , calc((100vw - 150px)*.1) ), 30px );padding:.85rem}.next-grid{width:96px;height:96px;padding:.6rem}.game-controls-help{width:min(100%,260px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.2rem .55rem}.control-hint{min-width:0}}.shadow-boards{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-top:1rem}.shadow-boards 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1px;--shadow-grid-padding: .7rem;--shadow-grid-border: 2px}.shadow-board-name{font-size:.75rem;font-weight:700;color:#1a3d7a;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%;padding:.2rem .4rem;background:#ffffffb3;border-radius:8px;border:2px solid rgba(42,82,152,.2)}.shadow-board-grid-inner{--cell-size: var(--shadow-cell-size);display:grid;grid-template-columns:repeat(10,var(--cell-size));grid-template-rows:repeat(20,var(--cell-size));gap:var(--shadow-grid-gap);justify-content:center;align-content:center;background:#ffffffa6;padding:var(--shadow-grid-padding);border-radius:12px;border:var(--shadow-grid-border) solid rgba(42,82,152,.2);width:100%;margin:0;box-shadow:inset 0 0 12px #fff9,0 6px 14px #00000014}.shadow-board-grid-inner .cell{width:var(--cell-size);height:var(--cell-size);border-radius:3px;box-shadow:none}.shadow-board-grid-inner .cell-spectrum{background:#788296b3;box-shadow:inset 0 0 4px #ffffff4d}.shadow-board-grid-inner .cell-empty{background:#2a529814;box-shadow:inset 0 0 4px #ffffff59}.game-screen.dark .shadow-boards h3{color:#d0e0ff;text-shadow:0 0 8px rgba(120,150,255,.6)}.game-screen.dark .shadow-board-card{background:#1e1e3c99;border-color:#6464c866}.game-screen.dark .shadow-board-name{color:#d0d8ff;background:#282d55b3;border-color:#6464c866}.game-screen.dark .shadow-board-grid-inner{background:#1e1e3c99;border-color:#6464c859;box-shadow:inset 0 0 12px #3c467880,0 6px 14px #0000002e}.game-screen.dark .shadow-board-grid-inner .cell-empty{background:#505a8c33;box-shadow:inset 0 0 4px #28325a99}.game-screen.dark .shadow-board-grid-inner .cell-spectrum{background:#7882b48c;box-shadow:inset 0 0 4px #b4c8ff33}.spectator-header{align-items:flex-start;margin-bottom:1rem}.spectator-layout{margin-top:-7rem}.spectator-info{display:flex;flex-direction:column;align-items:flex-start;gap:.55rem}.spectator-title{font-weight:700;color:#2c4a63;display:flex;align-items:center;gap:8px;font-size:18px}.game-screen.dark .spectator-title{color:#e6f3ff}.spectator-name{font-weight:700}.spectator-controls{display:flex;flex-direction:column;gap:8px;margin-top:.15rem}.spectator-nav-row{display:flex;gap:10px}.spectator-actions{margin-top:.4rem;display:flex;justify-content:flex-start}.spectator-actions .back-button{width:auto;min-width:96px;padding:.5rem 1rem;border:1px solid rgba(50,100,200,.55);border-radius:9px;font-size:.86rem;font-weight:700;box-shadow:0 2px 6px #3264c82e;text-shadow:none}.spectator-actions .back-button:hover{transform:translateY(-1px);box-shadow:0 4px 8px #3264c838}.spectator-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;border:1px solid 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.rank-score{color:#a0c8ffd9}.game-over-winner{font-weight:700;margin:8px 0 4px}.game-over-status{margin:4px 0 0}.game-over-actions{margin-top:16px;display:grid;gap:10px;justify-items:stretch}.game-over-primary-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.game-over-actions .resume-button,.game-over-actions .back-button{min-width:160px}.game-over-actions .resume-button{width:100%;padding:.8rem 2rem;font-size:1rem;font-weight:600}.game-over-ranking{margin:12px 0 4px;display:flex;flex-direction:column;gap:5px;text-align:left}.game-over-rank-row{display:flex;align-items:center;gap:8px;padding:5px 10px;border-radius:8px;font-size:.85rem;background:#2a52980f}.game-over-rank-row.is-me{background:#2a529829;font-weight:700}.game-screen.dark .game-over-rank-row{background:#ffffff0f}.game-screen.dark .game-over-rank-row.is-me{background:#ffffff24}.rank-position{min-width:28px;font-weight:800;color:#2a5298b3}.rank-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-score{font-variant-numeric:tabular-nums;color:#2a5298cc;font-size:.8rem}.rank-coins{font-size:.8rem;font-weight:700;color:#b8860b;white-space:nowrap}.game-over-coins{margin:10px 0 4px;font-size:1.1rem;font-weight:800;color:#b8860b}.red-tetris-title{position:fixed;top:2rem;left:50%;transform:translate(-50%);text-align:center;padding:.5rem 2rem;z-index:10}.red-tetris-title h1{font-size:clamp(2.5rem,8vw,5rem);font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:#2a5298;text-shadow:2px 2px 4px rgba(255,255,255,.8),0 0 20px rgba(255,255,255,.5),0 0 30px rgba(42,82,152,.3);filter:drop-shadow(2px 4px 8px rgba(0,0,0,.2))}.sky-background.dark~* .red-tetris-title h1{color:#f0f5ff;text-shadow:2px 2px 4px rgba(20,40,80,.8),0 0 20px rgba(120,150,255,.5),0 0 40px rgba(120,150,255,.3)}@media(max-width:1280px),(max-height:820px){.red-tetris-title{top:1rem;padding:.4rem 1.5rem}.red-tetris-title h1{font-size:clamp(2rem,6vw,3.8rem);letter-spacing:.08em}}@media(max-width:1400px)and (min-height:700px){.red-tetris-title{top:1.6rem}}@media(max-height:740px){.red-tetris-title{top:.5rem}.red-tetris-title h1{font-size:clamp(1.8rem,5.5vw,3.2rem)}}.admin-screen{position:relative;width:100%;height:100%;overflow:auto;color:#24384f;background:linear-gradient(180deg,#dff0ff,#f7fbff 58%,#eef6ff)}.admin-shell{position:relative;z-index:2;width:min(1180px,calc(100% - 32px));min-height:100%;margin:0 auto;padding:28px 0 72px}.admin-header{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}.admin-kicker{color:#57738f;font-size:.82rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.admin-header 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