@import "https://fonts.googleapis.com/css2?family=Anton&family=Geologica:wght@400;550;700;800&display=swap";:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#eafff8;--muted:#8aa6a4;--cyan:#35f3ff;--acid:#d8ff4f;--coral:#ff4f7b;--amber:#ffbd4a;--void:#051012;--panel:#091b1fad;--stroke:#8cfff538;--gap:clamp(9px, 2.2vw, 16px);--board-size:min(54vw, 58vh, 540px);--cell:calc((var(--board-size) - (var(--gap) * 5)) / 4);background:var(--void);color:var(--ink);font-family:Geologica,Trebuchet MS,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{min-width:320px;margin:0;overflow-x:hidden}button{font:inherit}.app-shell{background:linear-gradient(115deg,#051012e6,#0a1616bd),radial-gradient(circle at 15% 20%,#35f3ff38,#0000 28%),radial-gradient(circle at 84% 12%,#d8ff4f2e,#0000 26%),radial-gradient(circle at 68% 82%,#ff4f7b29,#0000 30%),#051012;min-height:100vh;padding:clamp(18px,3.4vw,42px);position:relative;overflow:hidden}.app-shell:before{content:"";pointer-events:none;opacity:.18;background-image:linear-gradient(#eafff814 1px,#0000 1px),linear-gradient(90deg,#eafff814 1px,#0000 1px);background-size:42px 42px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 88%);mask-image:linear-gradient(#000,#0000 88%)}.app-shell:after{content:"";pointer-events:none;opacity:.12;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='.45'/%3E%3C/svg%3E");position:fixed;inset:0}.ambient{filter:blur(36px);opacity:.26;pointer-events:none;mix-blend-mode:screen;border-radius:50%;width:44vmax;height:44vmax;position:fixed}.ambient-a{background:conic-gradient(from 10deg, var(--cyan), transparent, var(--acid), transparent, var(--cyan));animation:18s ease-in-out infinite alternate drift;top:-22vmax;right:-12vmax}.ambient-b{background:conic-gradient(from 120deg, var(--coral), transparent, #42ff8d, transparent, var(--amber));animation:22s ease-in-out infinite alternate-reverse drift;bottom:-24vmax;left:-16vmax}.scanlines{pointer-events:none;z-index:10;opacity:.14;background:repeating-linear-gradient(#ffffff14 0 1px,#0000 1px 5px);position:fixed;inset:0}.game-layout{z-index:1;grid-template-columns:minmax(320px, var(--board-size)) minmax(280px, 360px);grid-template-areas:"hero side""board side";justify-content:center;align-items:center;gap:clamp(18px,3vw,34px);min-height:calc(100vh - clamp(36px,6.8vw,84px));display:grid;position:relative}.hero-panel{grid-area:hero;justify-content:space-between;align-items:flex-end;gap:22px;animation:.76s cubic-bezier(.2,.9,.22,1) both rise-in;display:flex}.eyebrow,.result-modal p{color:var(--acid);letter-spacing:.16em;text-transform:uppercase;margin:0;font-size:.78rem;font-weight:800}h1{letter-spacing:0;color:#0000;-webkit-text-stroke:1px #eafff8c7;text-shadow:0 0 22px #35f3ff73,0 16px 56px #00000080;background:linear-gradient(180deg, #f7fffb 0%, var(--cyan) 52%, #10262a 100%);-webkit-background-clip:text;background-clip:text;margin:0;font-family:Anton,Impact,sans-serif;font-size:clamp(5rem,16vw,9.5rem);line-height:.86}.subtitle{max-width:30rem;color:var(--muted);margin:14px 0 0;font-size:clamp(.96rem,2.2vw,1.08rem)}.orbital-mark{aspect-ratio:1;border:1px solid var(--stroke);width:clamp(58px,10vw,82px);color:var(--cyan);background:radial-gradient(circle,#35f3ff38,#ffffff0a);border-radius:50%;place-items:center;animation:9s linear infinite rotate-mark;display:grid;box-shadow:0 0 38px #35f3ff47,inset 0 0 26px #ffffff14}.board-stage{grid-area:board;justify-items:center;gap:18px;animation:.82s cubic-bezier(.2,.9,.22,1) .12s both rise-in;display:grid}.board{width:var(--board-size);aspect-ratio:1;padding:var(--gap);touch-action:none;-webkit-backdrop-filter:blur(24px)saturate(160%);backdrop-filter:blur(24px)saturate(160%);background:linear-gradient(145deg,#ffffff29,#ffffff0a),radial-gradient(circle at 30% 10%,#35f3ff2e,#0000 34%),#081619bd;border:1px solid #eafff833;border-radius:8px;position:relative;overflow:hidden;box-shadow:0 28px 80px #0000007a,inset 0 0 0 1px #ffffff0d,inset 0 0 38px #35f3ff14}.board:before,.board:after{content:"";pointer-events:none;position:absolute;inset:0}.board:before{background:linear-gradient(120deg,#0000 12%,#ffffff3d 45%,#0000 52%);animation:5.6s ease-in-out infinite glass-sweep;transform:translate(-80%)}.board:after{border:1px solid #35f3ff47;border-radius:8px;box-shadow:inset 0 0 44px #d8ff4f0f}.cell-grid{gap:var(--gap);inset:var(--gap);grid-template-columns:repeat(4,1fr);display:grid;position:absolute}.cell{background:linear-gradient(145deg,#ffffff13,#ffffff05),#0000001a;border:1px solid #eafff81f;border-radius:6px;box-shadow:inset 0 0 22px #0000003d}.tile-layer{inset:var(--gap);position:absolute}.tile{width:var(--cell);height:var(--cell);transform:translate(calc(var(--col) * (var(--cell) + var(--gap))), calc(var(--row) * (var(--cell) + var(--gap))));color:#041012;letter-spacing:0;text-shadow:0 1px #ffffff57;will-change:transform;border:1px solid #ffffff3d;border-radius:6px;place-items:center;font-family:Anton,Impact,sans-serif;font-size:clamp(1.72rem,7.4vw,4.1rem);line-height:1;transition:transform .15s cubic-bezier(.2,.88,.18,1.04),filter .18s;display:grid;position:absolute;overflow:hidden;box-shadow:0 14px 34px #00000057,inset 0 1px 18px #ffffff47}.tile:before,.tile:after{content:"";pointer-events:none;position:absolute;inset:0}.tile:before{mix-blend-mode:soft-light;background:linear-gradient(130deg,#ffffff9e,#0000 36%,#fff3 72%)}.tile:after{border-radius:inherit;opacity:.7;border:1px solid #ffffff47}.tile span{z-index:1;position:relative}.tile-new{animation:.25s cubic-bezier(.24,1.6,.28,1) both materialize}.tile-merged{z-index:2;animation:.32s ease-out both merge-pulse}.tile-merged:after{animation:.42s ease-out both ring-burst}.tile-2{background:linear-gradient(135deg,#eafff8,#7ef8ff)}.tile-4{background:linear-gradient(135deg,#d8ff4f,#69ffe5)}.tile-8{background:linear-gradient(135deg,#ffbd4a,#ecff62)}.tile-16{background:linear-gradient(135deg,coral,#ffd252)}.tile-32{background:linear-gradient(135deg,#ff4f7b,#ffbd4a)}.tile-64{background:linear-gradient(135deg,#ff3867,#ff74d4)}.tile-128{background:linear-gradient(135deg,#35f3ff,#62ff9c);font-size:clamp(1.46rem,6.4vw,3.5rem)}.tile-256{background:linear-gradient(135deg,#62ff9c,#d8ff4f);font-size:clamp(1.46rem,6.4vw,3.5rem)}.tile-512{background:linear-gradient(135deg,#eafff8,#ff4f7b);font-size:clamp(1.46rem,6.4vw,3.5rem)}.tile-1024,.tile-2048,.tile-4096{color:#eafff8;text-shadow:0 0 18px #35f3ffb3;background:linear-gradient(135deg, #081418e0, #0c2c30d1), conic-gradient(from 15deg, var(--cyan), var(--acid), var(--coral), var(--cyan));font-size:clamp(1.16rem,5.2vw,2.9rem);box-shadow:0 0 42px #35f3ff57,0 20px 46px #00000075,inset 0 0 28px #d8ff4f24}.control-panel{flex-direction:column;grid-area:side;justify-content:center;align-self:center;gap:16px;min-height:0;animation:.76s cubic-bezier(.2,.9,.22,1) .22s both rise-in;display:flex}.score-grid,.command-row,.status-card,.legend{border:1px solid var(--stroke);background:linear-gradient(135deg, #ffffff1a, #ffffff09), var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:8px;box-shadow:0 18px 54px #00000052,inset 0 0 24px #ffffff0a}.score-grid{grid-template-columns:1fr 1fr;display:grid}.metric{padding:20px}.metric+.metric{border-left:1px solid var(--stroke)}.metric span,.status-card span,.legend span{color:var(--muted);letter-spacing:.11em;text-transform:uppercase;font-size:.76rem;font-weight:800}.metric strong{color:var(--ink);letter-spacing:0;margin-top:6px;font-family:Anton,Impact,sans-serif;font-size:clamp(2rem,5vw,3.2rem);font-weight:400;display:block}.metric.hot strong{color:var(--acid);text-shadow:0 0 22px #d8ff4f47}.command-row{grid-template-columns:1fr 1fr;gap:1px;display:grid;overflow:hidden}.command{min-height:54px;color:var(--ink);cursor:pointer;background:#ffffff0b;border:0;justify-content:center;align-items:center;gap:9px;transition:transform .16s,background .16s,color .16s,box-shadow .16s;display:inline-flex}.command:hover:not(:disabled){background:#35f3ff1f;transform:translateY(-1px);box-shadow:0 12px 28px #35f3ff1f}.command:disabled{cursor:not-allowed;opacity:.38}.command.primary{color:#041012;background:linear-gradient(135deg, var(--acid), var(--cyan));font-weight:800}.status-card{padding:22px}.status-header{color:var(--cyan);align-items:center;gap:8px;display:flex}.status-card strong{color:var(--ink);letter-spacing:0;margin:18px 0 8px;font-family:Anton,Impact,sans-serif;font-size:2.4rem;font-weight:400;display:block}.status-card p{color:var(--muted);margin:0;line-height:1.65}.legend{gap:10px;padding:18px;display:grid}.legend span{align-items:center;gap:8px;display:flex}.direction-dock{grid-template-columns:repeat(4,42px);gap:8px;display:grid}.dock-key{border:1px solid var(--stroke);height:42px;color:var(--muted);background:#ffffff0d;border-radius:6px;place-items:center;transition:transform .14s,color .14s,background .14s;display:grid}.dock-key.active{color:#041012;background:var(--acid);transform:translateY(-3px);box-shadow:0 0 22px #d8ff4f4d}.overlay{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#02080a8f;place-items:center;padding:18px;animation:.18s both overlay-in;display:grid;position:fixed;inset:0}.result-modal{background:linear-gradient(145deg,#ffffff29,#ffffff0d),#071619d1;border:1px solid #d8ff4f57;border-radius:8px;width:min(520px,100%);padding:clamp(26px,6vw,42px);animation:.32s cubic-bezier(.18,1.1,.2,1) both modal-in;position:relative;overflow:hidden;box-shadow:0 30px 110px #00000094,inset 0 0 36px #35f3ff14}.result-modal:before{content:"";opacity:.18;pointer-events:none;background:repeating-linear-gradient(90deg,#0000 0 11px,#35f3ff47 12px,#0000 13px);position:absolute;inset:0}.result-modal h2{letter-spacing:0;margin:12px 0;font-family:Anton,Impact,sans-serif;font-size:clamp(2.7rem,10vw,5.6rem);font-weight:400;line-height:.96;position:relative}.result-modal span{color:var(--muted);line-height:1.7;display:block;position:relative}.modal-actions{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex;position:relative}.modal-actions .command{border:1px solid var(--stroke);border-radius:6px;min-width:150px;padding:0 20px}@keyframes drift{0%{transform:translate(0,0)rotate(0)scale(1)}to{transform:translate(4vw,5vh)rotate(28deg)scale(1.08)}}@keyframes rise-in{0%{opacity:0;transform:translateY(22px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes rotate-mark{to{transform:rotate(360deg)}}@keyframes glass-sweep{0%,42%{transform:translate(-86%)}68%,to{transform:translate(86%)}}@keyframes materialize{0%{opacity:0;filter:blur(8px)brightness(2);transform:translate(calc(var(--col) * (var(--cell) + var(--gap))), calc(var(--row) * (var(--cell) + var(--gap)))) scale(.28) rotate(-3deg)}to{opacity:1;filter:blur()brightness();transform:translate(calc(var(--col) * (var(--cell) + var(--gap))), calc(var(--row) * (var(--cell) + var(--gap)))) scale(1) rotate(0)}}@keyframes merge-pulse{0%{filter:brightness()}48%{filter:brightness(1.5)saturate(1.3);transform:translate(calc(var(--col) * (var(--cell) + var(--gap))), calc(var(--row) * (var(--cell) + var(--gap)))) scale(1.12)}to{filter:brightness();transform:translate(calc(var(--col) * (var(--cell) + var(--gap))), calc(var(--row) * (var(--cell) + var(--gap)))) scale(1)}}@keyframes ring-burst{0%{opacity:1;box-shadow:0 0 #d8ff4fb8}to{opacity:0;box-shadow:0 0 0 22px #d8ff4f00}}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}@keyframes modal-in{0%{opacity:0;transform:translateY(24px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}@media (width<=880px){.app-shell{padding:14px}.game-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:"hero""side""board";align-content:start}.hero-panel{align-items:center}.control-panel{justify-content:initial;min-height:0}.status-card,.legend{display:none}.board{--board-size:min(92vw, 560px)}}@media (width<=520px){.hero-panel{gap:12px}.subtitle{max-width:18rem}.orbital-mark{width:52px}.score-grid,.command-row{grid-template-columns:1fr 1fr}.metric{padding:14px}.command{min-height:48px}.direction-dock{grid-template-columns:repeat(4,38px)}.dock-key{height:38px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}