.four-game{background:linear-gradient(145deg,#edf7ff,#fff2f8);color:#172b42;max-width:720px;margin:auto;border:1px solid #b8cde0;box-shadow:0 8px 25px #18324c14;overflow:hidden}.four-game .game2048-nav{grid-template-columns:1fr 1.6fr!important}.four-settings{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:7px 0}.four-settings label{font-size:10px;font-weight:700;min-width:0}.four-settings select{display:block;width:100%;min-width:0;min-height:34px;padding:5px;border:1px solid #a4bed6;border-radius:8px;background:#fff;color:#172b42;font-size:12px}.four-players{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:6px 0}.four-players>div{background:#fff;border:2px solid #d0dce8;padding:6px 8px;border-radius:10px;font-size:11px;opacity:.7;display:grid;gap:1px}.four-players>div[data-four-player="1"]{color:#0069b7}.four-players>div[data-four-player="2"]{color:#ae0064}.four-players>div.is-turn{opacity:1;border-color:currentColor;box-shadow:0 2px 7px #18324c18}.four-players strong{font-size:17px;line-height:1.1}.four-board{width:var(--arcade-board-width,100%);max-width:100%;height:var(--arcade-board-height,330px);margin:5px auto}.four-columns{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));height:30px;gap:3px;padding:0 5px 3px}.four-columns button{padding:1px!important;min-height:0!important;min-width:0;border:1px solid #9cbcd6;border-radius:6px;background:#e6f3ff;color:#155d92;font-size:11px;font-weight:800;box-shadow:none;line-height:1}.four-columns button:hover:not(:disabled){background:#bedfff}.four-columns button:focus-visible{outline:3px solid #e1a619;outline-offset:1px}.four-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));grid-template-rows:repeat(6,minmax(0,1fr));height:calc(100% - 30px);padding:7px;gap:5px;border:2px solid #164667;border-radius:13px;background:linear-gradient(145deg,#175480,#103b64);box-shadow:0 4px 0 #092b4b,0 7px 14px #15324c20;overflow:hidden;touch-action:manipulation}.four-cell{position:relative;min-width:0;min-height:0;display:grid;place-items:center;border-radius:50%;background:#f5f9ff;box-shadow:inset 0 2px 5px #082d5e40;cursor:pointer;aspect-ratio:auto}.four-piece{position:absolute;inset:1px;display:grid;place-items:center;border-radius:50%;color:#fff;font-weight:800;font-size:clamp(8px,2.8vw,18px);text-shadow:0 1px 2px #0004;box-shadow:inset 0 3px 4px #ffffff50,inset 0 -3px 4px #0003}.four-cell[data-owner="1"] .four-piece{background:linear-gradient(145deg,#169de9,#006db5)}.four-cell[data-owner="2"] .four-piece{background:linear-gradient(145deg,#ef2494,#b50064);border:2px dashed #ffe6f3}.four-cell[data-winning="true"]{outline:3px solid #ffd43b;outline-offset:0;z-index:1;box-shadow:0 0 9px #ffd43b90}.four-piece.is-falling{animation:four-fall .24s cubic-bezier(.3,.7,.5,1)}@keyframes four-fall{from{transform:translateY(var(--four-drop-distance,-250px));opacity:.5}to{transform:translateY(0);opacity:1}}.four-status{font-size:12px;font-weight:700;min-height:2.7em;line-height:1.35;margin:8px 0 5px;color:#18344e}.four-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.four-actions button{padding:5px 2px;min-height:32px;font-size:11px;white-space:nowrap;border:1px solid #a9c6df;background:#eaf4ff;color:#164d76;border-radius:8px}.four-meta,.four-storage{display:block;font-size:10px;color:#5b7087;margin:5px 0}.four-storage:empty{display:none}.four-game.arcade-landscape>.four-board{grid-column:1;grid-row:1 / span 20;align-self:center}.four-game.arcade-landscape .four-settings{grid-template-columns:1fr}.four-game.arcade-landscape .four-players>div{font-size:10px}body:has([data-four-game]) .app-download-strip{display:none!important}@media(max-height:500px){.four-settings{margin:3px 0}.four-settings label{font-size:9px}.four-settings select{min-height:28px;font-size:10px}.four-players>div{padding:4px 6px}.four-status{font-size:10px}.four-actions button{font-size:9px;min-height:28px}.four-grid{padding:5px;gap:4px}}@media(prefers-reduced-motion:reduce){.four-piece.is-falling{animation:none}}