._container_1d0x2_1{display:flex;flex-direction:column;align-items:center;min-height:100vh;width:100%;padding:20px;position:relative;overflow-x:hidden}._nav_1d0x2_13{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1200px;padding:20px 0;margin-bottom:40px}._logo_1d0x2_23{font-size:2rem;font-weight:900;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.2)}._playButton_1d0x2_30{padding:10px 24px;background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;border:1px solid rgba(255,255,255,.2);color:#fff;font-weight:700;text-decoration:none;transition:all .2s ease}._playButton_1d0x2_30:hover{background:#ffffff40;transform:translateY(-2px);box-shadow:0 4px 12px #0003}._hero_1d0x2_49{display:flex;justify-content:space-between;align-items:center;gap:60px;width:100%;max-width:1200px;margin-bottom:100px}._heroContent_1d0x2_59{flex:1;max-width:500px}._title_1d0x2_64{font-size:5rem;font-weight:900;color:#fff;margin:0 0 20px;text-shadow:0 4px 8px rgba(0,0,0,.3);line-height:1}._tagline_1d0x2_73{font-size:1.5rem;font-weight:600;color:#fffffff2;margin:0 0 16px}._description_1d0x2_80{font-size:1.1rem;color:#fffc;line-height:1.6;margin:0 0 32px}._ctaButtons_1d0x2_87{display:flex;gap:16px;flex-wrap:wrap}._downloadButton_1d0x2_93,._playOnlineButton_1d0x2_94{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:14px;font-size:1rem;font-weight:700;text-decoration:none;transition:all .2s ease;cursor:pointer}._downloadButton_1d0x2_93{background:#fffffff2;color:#1d1d1f;border:none}._downloadButton_1d0x2_93:hover{background:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #0000004d}._playOnlineButton_1d0x2_94{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;border:2px solid rgba(255,255,255,.3)}._playOnlineButton_1d0x2_94:hover{background:#ffffff40;border-color:#ffffff80;transform:translateY(-2px);box-shadow:0 8px 20px #0000004d}._appleIcon_1d0x2_133{width:20px;height:20px}._heroImage_1d0x2_138{flex:1;display:flex;justify-content:center;align-items:center}._previewBoard_1d0x2_145{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:16px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;border:1px solid rgba(255,255,255,.15);box-shadow:0 8px 32px #0000004d;transform:perspective(1000px) rotateY(-5deg)}._previewTile_1d0x2_158{width:60px;height:60px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.2rem;border-radius:8px;transition:transform .2s ease}._previewTile_1d0x2_158[data-value="2"]{background:linear-gradient(135deg,var(--tile-2-start),var(--tile-2-end));color:var(--tile-text-dark)}._previewTile_1d0x2_158[data-value="4"]{background:linear-gradient(135deg,var(--tile-4-start),var(--tile-4-end));color:var(--tile-text-dark)}._previewTile_1d0x2_158[data-value="8"]{background:linear-gradient(135deg,var(--tile-8-start),var(--tile-8-end));color:var(--tile-text-light)}._previewTile_1d0x2_158[data-value="16"]{background:linear-gradient(135deg,var(--tile-16-start),var(--tile-16-end));color:var(--tile-text-light)}._previewTile_1d0x2_158[data-value="32"]{background:linear-gradient(135deg,var(--tile-32-start),var(--tile-32-end));color:var(--tile-text-light)}._previewTile_1d0x2_158[data-value="64"]{background:linear-gradient(135deg,var(--tile-64-start),var(--tile-64-end));color:var(--tile-text-light)}._previewTile_1d0x2_158[data-value="128"]{background:linear-gradient(135deg,var(--tile-128-start),var(--tile-128-end));color:var(--tile-text-light);font-size:1rem}._previewTile_1d0x2_158[data-value="256"]{background:linear-gradient(135deg,var(--tile-256-start),var(--tile-256-end));color:var(--tile-text-light);font-size:1rem}._previewTile_1d0x2_158[data-value="512"]{background:linear-gradient(135deg,var(--tile-512-start),var(--tile-512-end));color:var(--tile-text-light);font-size:1rem}._previewTile_1d0x2_158[data-value="1024"]{background:linear-gradient(135deg,var(--tile-1024-start),var(--tile-1024-end));color:var(--tile-text-light);font-size:.9rem}._previewTile_1d0x2_158[data-value="2048"]{background:linear-gradient(135deg,var(--tile-2048-start),var(--tile-2048-end));color:var(--tile-text-light);font-size:.9rem}._features_1d0x2_183{width:100%;max-width:1200px;margin-bottom:100px}._sectionTitle_1d0x2_189{font-size:2.5rem;font-weight:800;color:#fff;text-align:center;margin:0 0 48px}._featureGrid_1d0x2_197{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}._featureCard_1d0x2_203{padding:32px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;border:1px solid rgba(255,255,255,.15);transition:all .3s ease}._featureCard_1d0x2_203:hover{background:#ffffff26;transform:translateY(-4px);box-shadow:0 8px 24px #0000004d}._featureIcon_1d0x2_218{font-size:3rem;margin-bottom:16px}._featureTitle_1d0x2_223{font-size:1.3rem;font-weight:700;color:#fff;margin:0 0 12px}._featureDescription_1d0x2_230{font-size:1rem;color:#fffc;line-height:1.5;margin:0}._preview_1d0x2_145{width:100%;max-width:800px;margin-bottom:100px;text-align:center}._previewContent_1d0x2_245{padding:40px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;border:1px solid rgba(255,255,255,.15)}._instructions_1d0x2_253{margin-bottom:32px}._instructionText_1d0x2_257{font-size:1.1rem;color:#ffffffe6;line-height:1.7;margin:0 0 16px}._instructionText_1d0x2_257:last-child{margin-bottom:0}._startPlayingButton_1d0x2_268{display:inline-block;padding:16px 40px;background:#fffffff2;color:#1d1d1f;font-size:1.1rem;font-weight:700;text-decoration:none;border-radius:14px;transition:all .2s ease}._startPlayingButton_1d0x2_268:hover{background:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #0000004d}._footer_1d0x2_287{margin-top:auto;padding:40px 0;text-align:center}._footerLinks_1d0x2_293{display:flex;justify-content:center;align-items:center;gap:12px;margin-bottom:16px}._footerLinks_1d0x2_293 a{color:#fffc;text-decoration:none;font-size:.95rem;transition:color .2s ease}._footerLinks_1d0x2_293 a:hover{color:#fff}._separator_1d0x2_312{color:#ffffff80}._copyright_1d0x2_316{color:#fff9;font-size:.9rem;margin:0}@media(max-width:968px){._hero_1d0x2_49{flex-direction:column;gap:40px;text-align:center}._heroContent_1d0x2_59{max-width:100%}._ctaButtons_1d0x2_87{justify-content:center}._previewBoard_1d0x2_145{transform:none}}@media(max-width:768px){._title_1d0x2_64{font-size:3.5rem}._tagline_1d0x2_73{font-size:1.2rem}._description_1d0x2_80{font-size:1rem}._sectionTitle_1d0x2_189{font-size:2rem}._featureGrid_1d0x2_197{grid-template-columns:1fr}._previewTile_1d0x2_158{width:50px;height:50px;font-size:1rem}._previewTile_1d0x2_158[data-value="128"],._previewTile_1d0x2_158[data-value="256"],._previewTile_1d0x2_158[data-value="512"]{font-size:.85rem}._previewTile_1d0x2_158[data-value="1024"],._previewTile_1d0x2_158[data-value="2048"]{font-size:.75rem}}@media(max-width:520px){._container_1d0x2_1{padding:16px}._nav_1d0x2_13{margin-bottom:30px}._logo_1d0x2_23{font-size:1.5rem}._playButton_1d0x2_30{padding:8px 18px;font-size:.9rem}._title_1d0x2_64{font-size:2.5rem}._hero_1d0x2_49,._features_1d0x2_183,._preview_1d0x2_145{margin-bottom:60px}._previewContent_1d0x2_245{padding:24px}._downloadButton_1d0x2_93,._playOnlineButton_1d0x2_94,._startPlayingButton_1d0x2_268{width:100%;justify-content:center}._previewBoard_1d0x2_145{padding:12px;gap:6px}._previewTile_1d0x2_158{width:40px;height:40px;font-size:.85rem}._previewTile_1d0x2_158[data-value="128"],._previewTile_1d0x2_158[data-value="256"],._previewTile_1d0x2_158[data-value="512"]{font-size:.7rem}._previewTile_1d0x2_158[data-value="1024"],._previewTile_1d0x2_158[data-value="2048"]{font-size:.6rem}}._tile_be0ea_1{position:absolute;width:var(--cell-size);height:var(--cell-size);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;transition:transform var(--animation-slide) ease-in-out;will-change:transform;box-shadow:0 4px 8px #00000026}._value_be0ea_15{line-height:1}._font-large_be0ea_20{font-size:2.5rem}._font-medium_be0ea_24{font-size:2rem}._font-small_be0ea_28{font-size:1.5rem}._new_be0ea_33{animation:_tile-spawn_be0ea_1 var(--animation-spawn) ease-out}._merged_be0ea_38{animation:_tile-merge_be0ea_1 var(--animation-merge) ease-out;z-index:10}._moving_be0ea_44{transition:transform var(--animation-slide) ease-in-out}._tile-2_be0ea_49{background:linear-gradient(135deg,var(--tile-2-start),var(--tile-2-end));color:var(--tile-text-dark)}._tile-4_be0ea_54{background:linear-gradient(135deg,var(--tile-4-start),var(--tile-4-end));color:var(--tile-text-dark)}._tile-8_be0ea_59{background:linear-gradient(135deg,var(--tile-8-start),var(--tile-8-end));color:var(--tile-text-light)}._tile-16_be0ea_64{background:linear-gradient(135deg,var(--tile-16-start),var(--tile-16-end));color:var(--tile-text-light)}._tile-32_be0ea_69{background:linear-gradient(135deg,var(--tile-32-start),var(--tile-32-end));color:var(--tile-text-light)}._tile-64_be0ea_74{background:linear-gradient(135deg,var(--tile-64-start),var(--tile-64-end));color:var(--tile-text-light)}._tile-128_be0ea_79{background:linear-gradient(135deg,var(--tile-128-start),var(--tile-128-end));color:var(--tile-text-light)}._tile-256_be0ea_84{background:linear-gradient(135deg,var(--tile-256-start),var(--tile-256-end));color:var(--tile-text-light)}._tile-512_be0ea_89{background:linear-gradient(135deg,var(--tile-512-start),var(--tile-512-end));color:var(--tile-text-light)}._tile-1024_be0ea_94{background:linear-gradient(135deg,var(--tile-1024-start),var(--tile-1024-end));color:var(--tile-text-light)}._tile-2048_be0ea_99{background:linear-gradient(135deg,var(--tile-2048-start),var(--tile-2048-end));color:var(--tile-text-light);box-shadow:0 0 30px #f2bf3399}._tile-super_be0ea_105{background:linear-gradient(135deg,var(--tile-super-start),var(--tile-super-end));color:var(--tile-text-light)}@keyframes _tile-spawn_be0ea_1{0%{transform:translate(var(--end-x),var(--end-y)) scale(0);opacity:0}50%{transform:translate(var(--end-x),var(--end-y)) scale(1.1)}to{transform:translate(var(--end-x),var(--end-y)) scale(1);opacity:1}}@keyframes _tile-merge_be0ea_1{0%{transform:translate(var(--end-x),var(--end-y)) scale(1)}50%{transform:translate(var(--end-x),var(--end-y)) scale(1.2)}to{transform:translate(var(--end-x),var(--end-y)) scale(1)}}@media(max-width:520px){._font-large_be0ea_20{font-size:2rem}._font-medium_be0ea_24{font-size:1.6rem}._font-small_be0ea_28{font-size:1.2rem}}@media(max-width:400px){._font-large_be0ea_20{font-size:1.6rem}._font-medium_be0ea_24{font-size:1.3rem}._font-small_be0ea_28{font-size:1rem}}._board_rypyc_1{position:relative;width:var(--board-size);height:var(--board-size);padding:var(--board-padding);background:var(--board-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:16px;box-shadow:0 8px 32px #0003;touch-action:none;-webkit-user-select:none;user-select:none}._grid_rypyc_16{display:grid;grid-template-columns:repeat(4,var(--cell-size));grid-template-rows:repeat(4,var(--cell-size));gap:var(--cell-gap)}._cell_rypyc_23{width:var(--cell-size);height:var(--cell-size);background:var(--cell-bg);border-radius:8px}._tilesContainer_rypyc_30{position:absolute;top:var(--board-padding);left:var(--board-padding);width:calc(var(--board-size) - var(--board-padding) * 2);height:calc(var(--board-size) - var(--board-padding) * 2)}._scoreDisplay_1ye69_1{display:flex;flex-direction:column;align-items:center;padding:8px 16px;background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:8px;min-width:80px}._label_1ye69_14{font-size:12px;font-weight:600;color:#ffffffb3;text-transform:uppercase;letter-spacing:.5px}._score_1ye69_1{font-size:24px;font-weight:700;color:#fff;margin-top:2px}._highlight_1ye69_29{background:linear-gradient(135deg,var(--tile-2048-start),var(--tile-2048-end));border-color:transparent}._highlight_1ye69_29 ._label_1ye69_14{color:#ffffffe6}@media(max-width:520px){._scoreDisplay_1ye69_1{padding:6px 12px;min-width:70px}._label_1ye69_14{font-size:10px}._score_1ye69_1{font-size:20px}}._header_sb27m_1{width:100%;max-width:var(--board-size);margin-bottom:20px}._titleRow_sb27m_7{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}._title_sb27m_7{font-size:4rem;font-weight:700;color:#fff;text-shadow:0 4px 8px rgba(0,0,0,.3);margin:0;line-height:1}._scores_sb27m_23{display:flex;gap:8px}._controls_sb27m_28{display:flex;justify-content:space-between;align-items:center;gap:16px}._subtitle_sb27m_35{color:#fffc;font-size:14px;margin:0;flex:1}._subtitle_sb27m_35 strong{color:#fff}._buttons_sb27m_46{display:flex;gap:8px}._buttons_sb27m_46 button{display:flex;align-items:center;gap:6px}._buttons_sb27m_46 svg{flex-shrink:0}@media(max-width:520px){._title_sb27m_7{font-size:3rem}._controls_sb27m_28{flex-direction:column;align-items:stretch}._subtitle_sb27m_35{text-align:center;margin-bottom:8px}._buttons_sb27m_46{justify-content:center}}@media(max-width:400px){._title_sb27m_7{font-size:2.5rem}._titleRow_sb27m_7{flex-direction:column;gap:12px}._scores_sb27m_23{align-self:flex-end}}._footer_lus8m_1{width:100%;max-width:var(--board-size);margin-top:20px;text-align:center}._instructions_lus8m_8{color:#ffffffb3;font-size:13px;line-height:1.5;margin:0 0 12px}._instructions_lus8m_8 strong{color:#ffffffe6}._links_lus8m_19{display:flex;justify-content:center;align-items:center;gap:8px;font-size:12px}._separator_lus8m_27{color:#fff6}@media(max-width:520px){._instructions_lus8m_8{font-size:12px}._links_lus8m_19{font-size:11px}}._overlay_101i9_1{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;border-radius:16px;animation:_fade-in_101i9_1 .3s ease-out;z-index:100}._win_101i9_15{background:linear-gradient(135deg,#f2bf33f2,#e09e14f2)}._gameOver_101i9_23{background:#261f59f2;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}._content_101i9_28{text-align:center;animation:_scale-fade-in_101i9_1 .3s ease-out}._title_101i9_33{font-size:3rem;font-weight:700;color:#fff;margin:0 0 8px;text-shadow:0 2px 4px rgba(0,0,0,.2)}._score_101i9_41{font-size:1.2rem;color:#ffffffe6;margin:0 0 24px}._buttons_101i9_47{display:flex;gap:12px;justify-content:center}@keyframes _fade-in_101i9_1{0%{opacity:0}to{opacity:1}}@keyframes _scale-fade-in_101i9_1{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@media(max-width:520px){._title_101i9_33{font-size:2.5rem}._score_101i9_41{font-size:1rem}._buttons_101i9_47{flex-direction:column}}._container_18wuf_1{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:600px;min-height:100vh;padding:20px}._boardWrapper_18wuf_12{position:relative;touch-action:none}@media(max-width:520px){._container_18wuf_1{padding:16px}}._container_tob6r_1{min-height:100vh;padding:40px 20px;display:flex;justify-content:center;align-items:flex-start}._content_tob6r_9{max-width:700px;width:100%;padding:40px 20px;color:#fff}._nav_tob6r_16{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}._backLink_tob6r_25{display:inline-block;font-size:14px;color:#fffc;text-decoration:none;transition:color .2s ease}._backLink_tob6r_25:hover{color:#fff}._navLink_tob6r_37{font-size:14px;color:#ffffffb3;text-decoration:none;transition:color .2s ease}._navLink_tob6r_37:hover{color:#fffffff2}._updated_tob6r_53{color:#fff9;font-size:14px;margin:0 0 32px}strong{color:#fff}@media(max-width:520px){._container_tob6r_1{padding:20px 16px}._content_tob6r_9{padding:24px 16px}h1{font-size:2rem}h2{font-size:1.1rem}}._container_1mpcn_1{min-height:100vh;padding:40px 20px;display:flex;justify-content:center;align-items:flex-start}._content_1mpcn_9{max-width:700px;width:100%;padding:40px 20px;color:#fff}._nav_1mpcn_16{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}._backLink_1mpcn_25{display:inline-block;font-size:14px;color:#fffc;text-decoration:none;transition:color .2s ease}._backLink_1mpcn_25:hover{color:#fff}._navLink_1mpcn_37{font-size:14px;color:#ffffffb3;text-decoration:none;transition:color .2s ease}._navLink_1mpcn_37:hover{color:#fffffff2}h1{font-size:2.5rem;margin:0 0 8px}._updated_1mpcn_53{color:#fff9;font-size:14px;margin:0 0 32px}section{margin-bottom:28px}section:last-child{margin-bottom:0}h2{font-size:1.3rem;margin:0 0 12px;color:#fffffff2}p{line-height:1.7;color:#ffffffd9;margin:0 0 12px}p:last-child{margin-bottom:0}ul{margin:12px 0;padding-left:24px;color:#ffffffd9}li{line-height:1.7;margin-bottom:6px}a{color:var(--tile-2048-start)}a:hover{color:var(--tile-2048-end)}@media(max-width:520px){._container_1mpcn_1{padding:20px 16px}._content_1mpcn_9{padding:24px 16px}h1{font-size:2rem}h2{font-size:1.1rem}}:root{--grid-size: 4;--cell-gap: 12px;--board-padding: 12px;--cell-size: 80px;--board-size: calc(var(--cell-size) * var(--grid-size) + var(--cell-gap) * (var(--grid-size) - 1) + var(--board-padding) * 2);--tile-2-start: rgb(242, 235, 224);--tile-2-end: rgb(230, 220, 199);--tile-4-start: rgb(242, 230, 209);--tile-4-end: rgb(224, 209, 184);--tile-8-start: rgb(250, 191, 128);--tile-8-end: rgb(235, 158, 97);--tile-16-start: rgb(250, 158, 107);--tile-16-end: rgb(235, 128, 82);--tile-32-start: rgb(250, 133, 102);--tile-32-end: rgb(235, 102, 77);--tile-64-start: rgb(250, 102, 71);--tile-64-end: rgb(230, 71, 46);--tile-128-start: rgb(242, 217, 128);--tile-128-end: rgb(224, 191, 89);--tile-256-start: rgb(242, 209, 107);--tile-256-end: rgb(224, 184, 71);--tile-512-start: rgb(242, 204, 89);--tile-512-end: rgb(224, 173, 56);--tile-1024-start: rgb(242, 199, 71);--tile-1024-end: rgb(224, 166, 38);--tile-2048-start: rgb(242, 191, 51);--tile-2048-end: rgb(224, 158, 20);--tile-super-start: rgb(64, 56, 51);--tile-super-end: rgb(46, 38, 31);--tile-text-dark: rgb(119, 110, 101);--tile-text-light: #ffffff;--bg-early-1: rgb(38, 31, 89);--bg-early-2: rgb(64, 46, 115);--bg-early-3: rgb(46, 56, 128);--bg-mid-1: rgb(89, 38, 115);--bg-mid-2: rgb(128, 51, 128);--bg-mid-3: rgb(115, 64, 140);--bg-late-1: rgb(140, 64, 38);--bg-late-2: rgb(166, 89, 25);--bg-late-3: rgb(179, 115, 38);--board-bg: rgba(255, 255, 255, .1);--cell-bg: rgba(255, 255, 255, .08);--animation-slide: .15s;--animation-merge: .1s;--animation-spawn: .15s;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}@media(max-width:520px){:root{--cell-size: 65px;--cell-gap: 10px;--board-padding: 10px}}@media(max-width:400px){:root{--cell-size: 55px;--cell-gap: 8px;--board-padding: 8px}}@keyframes tile-spawn{0%{transform:scale(0);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}@keyframes tile-merge{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes float-particle{0%,to{transform:translateY(0) translate(0);opacity:0}10%{opacity:.6}90%{opacity:.6}to{transform:translateY(-100vh) translate(50px);opacity:0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes slide-in{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes scale-fade-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;min-height:100%;font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:linear-gradient(135deg,var(--bg-early-1),var(--bg-early-2),var(--bg-early-3));background-size:200% 200%;animation:gradient-shift 15s ease infinite;min-height:100vh;transition:background .5s ease}body.stage-early{background:linear-gradient(135deg,var(--bg-early-1),var(--bg-early-2),var(--bg-early-3))}body.stage-mid{background:linear-gradient(135deg,var(--bg-mid-1),var(--bg-mid-2),var(--bg-mid-3))}body.stage-late{background:linear-gradient(135deg,var(--bg-late-1),var(--bg-late-2),var(--bg-late-3))}#root{width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center}.no-select{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.glass{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:16px}.button{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;background:#ffffff26;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.button:hover{background:#ffffff40;transform:translateY(-1px)}.button:active{transform:translateY(0)}.button:disabled{opacity:.5;cursor:not-allowed;transform:none}.button-primary{background:linear-gradient(135deg,var(--tile-2048-start),var(--tile-2048-end))}.button-primary:hover{background:linear-gradient(135deg,var(--tile-2048-end),var(--tile-2048-start))}a{color:#fffc;text-decoration:none;transition:color .2s ease}a:hover{color:#fff}