/* Dedicated /play-2048/ stylesheet. No unscoped board, tile or button selectors. */
.p2048{--g-bg:#344354;--g-cell:#293646;--g-line:#53667b;--g-amber:#ffb36c;--g-muted:#aebed0;padding:28px 0 65px}
.p2048 *{box-sizing:border-box}.p2048__heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:27px}.p2048__heading h1{font-family:var(--display,Impact,sans-serif);font-size:clamp(54px,7vw,86px);line-height:1;margin:10px 0 6px}.p2048__heading h1 span{color:var(--orange,#ffb36c)}.p2048__heading p{color:var(--muted,#a0afc2)}.p2048__mode{font-weight:800;font-size:12px;letter-spacing:1.2px;border:1px solid #465466;border-radius:7px;padding:9px 12px;background:#223244;color:#b9d1db;white-space:nowrap}
.p2048__columns{display:grid;grid-template-columns:minmax(0,560px) minmax(220px,310px);justify-content:center;gap:34px;align-items:start}.p2048__stage{min-width:0}.p2048__scoreboard{display:flex;gap:10px;align-items:stretch;margin-bottom:14px}.p2048__score{min-width:0;flex:1;padding:12px 16px;position:relative;background:#223040;border:1px solid #3a495b;border-radius:11px;overflow:hidden}.p2048__score--best{background:#2d302e;border-color:#635744}.p2048__score>span{display:block;font-size:11px;font-weight:800;letter-spacing:1.1px;color:#b4c0cd}.p2048__score strong{display:block;font-size:clamp(25px,4vw,38px);font-variant-numeric:tabular-nums;line-height:1.25;white-space:nowrap}.p2048__score--best strong{color:#ffca8e}.p2048__score em{position:absolute;right:12px;top:11px;color:#9ae3c3;font-size:14px;font-style:normal;font-weight:800;opacity:0;pointer-events:none}.p2048__score em.p2048__gain-active{animation:p2048-gain .65s ease-out both}.p2048__score small{color:#c9bda5;font-size:11px}.p2048__score.p2048__score-flash{animation:p2048-flash .42s ease-out}.p2048__icon-button{width:52px;border:1px solid #405168;border-radius:10px;background:#263343;color:#e1eaf4;font-size:33px;cursor:pointer}.p2048__icon-button:hover{background:#34465a}
.p2048__board-shell{position:relative}.p2048__board{--p2048-gap:clamp(7px,2.2vw,12px);position:relative;width:100%;aspect-ratio:1;padding:var(--p2048-gap);background:var(--g-bg);border:1px solid var(--g-line);border-radius:16px;box-shadow:0 18px 55px #0004,inset 0 1px 0 #ffffff22;touch-action:none;overscroll-behavior:contain;outline-offset:5px;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.p2048__board:focus-visible{outline:3px solid var(--g-amber)}.p2048__cells,.p2048__tiles{position:absolute;inset:var(--p2048-gap)}.p2048__cells{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:var(--p2048-gap)}.p2048__cell{border-radius:9px;background:var(--g-cell);box-shadow:inset 0 2px 3px #0002}.p2048__tiles{pointer-events:none}.p2048__tile{position:absolute;display:grid;place-items:center;border-radius:9px;box-shadow:inset 0 2px 0 #ffffff40,0 4px 0 #18232b55;font-family:var(--display,Impact,sans-serif);font-weight:800;font-size:clamp(24px,7vw,47px);line-height:1;color:#354453;font-variant-numeric:tabular-nums;will-change:transform}.p2048__tile[data-digits="4"]{font-size:clamp(21px,5.9vw,37px)}.p2048__tile[data-digits="5"]{font-size:clamp(16px,4.8vw,31px)}.p2048__tile[data-value="2"]{background:#dce3e8}.p2048__tile[data-value="4"]{background:#c7d6dc}.p2048__tile[data-value="8"]{background:#9fc8cd}.p2048__tile[data-value="16"]{background:#80b9b8}.p2048__tile[data-value="32"]{background:#72a9b1}.p2048__tile[data-value="64"]{background:#edbd88;color:#513c2d}.p2048__tile[data-value="128"]{background:#f6a967;color:#563724}.p2048__tile[data-value="256"]{background:#f69558;color:#592f22}.p2048__tile[data-value="512"]{background:#f58155;color:#fff5e9}.p2048__tile[data-value="1024"]{background:#fbc368;color:#51381e}.p2048__tile[data-value="2048"]{background:#f5d16a;color:#382718;box-shadow:0 0 20px #f5d16a77,inset 0 2px 0 #ffffff66}.p2048__tile[data-value="4096"],.p2048__tile[data-value="8192"],.p2048__tile[data-value="16384"],.p2048__tile[data-value="32768"],.p2048__tile[data-value="65536"]{background:#9d83e0;color:#fff}.p2048__tile[data-value="131072"]{background:#e4a5d1;color:#24192e}.p2048__tile.p2048__tile-new{animation:p2048-appear .2s ease-out both}.p2048__tile.p2048__tile-merge{animation:p2048-merge .22s ease-out both}
.p2048__actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px}.p2048__actions .button{flex:1}.p2048__actions>a{color:#bdcedf;font-size:13px;font-weight:700;text-align:center}.p2048__foot{display:flex;justify-content:space-between;gap:10px;margin-top:17px;font-size:13px;color:#aebed0}.p2048__instructions{font-size:13px;text-align:center;margin-top:14px}.p2048__instructions span{display:inline-block;border:1px solid #455a73;border-radius:5px;padding:1px 5px;font-weight:800;letter-spacing:3px;margin-right:5px}.p2048__notice{margin-top:22px;padding:14px;border:1px solid #66563b;border-radius:10px;background:#2d2a25;color:#e6d2ab;font-size:13px;line-height:1.55}.p2048__notice strong{color:#fff1cc}.p2048__side{display:grid;gap:18px}.p2048__side-card{padding:24px}.p2048__side-card h2{font-family:var(--display,Impact,sans-serif);font-size:32px;margin:12px 0}.p2048__side-card p{font-size:13px;line-height:1.6;margin:12px 0}.p2048__side-card a{font-weight:800;color:var(--orange,#ffb36c);font-size:13px}.p2048__side-card dl{margin:17px 0}.p2048__side-card dl>div{display:flex;justify-content:space-between;border-bottom:1px solid #3b4758;padding:10px 0;gap:10px}.p2048__side-card dt{color:#b8c7d6;font-size:13px}.p2048__side-card dd{margin:0;font-size:17px;font-variant-numeric:tabular-nums;font-weight:800}
.p2048__overlay[hidden]{display:none!important}.p2048__overlay{position:absolute;inset:0;display:grid;place-items:center;background:#142030df;backdrop-filter:blur(5px);border-radius:16px;padding:16px;z-index:15}.p2048__overlay-card{text-align:center;width:min(100%,360px);padding:25px 17px;border:1px solid #647792;border-radius:16px;background:#1a283a;box-shadow:0 15px 50px #0007}.p2048__overlay-card h2{font-family:var(--display,Impact,sans-serif);font-size:38px;margin:9px 0}.p2048__overlay-card p{font-size:13px;line-height:1.5}.p2048__result{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0}.p2048__result>div{padding:8px;border:1px solid #4a5b70;border-radius:7px}.p2048__result span{display:block;color:#aabbd1;font-size:11px}.p2048__result strong{display:block;font-size:19px;font-variant-numeric:tabular-nums}.p2048__overlay-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.p2048__overlay-actions button{flex:1}
@keyframes p2048-appear{from{opacity:0;transform:scale(.55)}to{opacity:1;transform:scale(1)}}@keyframes p2048-merge{0%{transform:scale(1)}55%{transform:scale(1.12)}100%{transform:scale(1)}}@keyframes p2048-gain{0%{opacity:0;transform:translateY(10px)}30%{opacity:1}100%{opacity:0;transform:translateY(-15px)}}@keyframes p2048-flash{50%{box-shadow:0 0 24px #b4dcaa80}}
@media(max-width:850px){.p2048__columns{grid-template-columns:minmax(0,560px);justify-content:center}.p2048__side{grid-template-columns:repeat(2,minmax(0,1fr))}.p2048__heading{align-items:center}}@media(max-width:560px){.p2048{padding:17px 0 42px}.p2048__heading{flex-wrap:wrap;gap:8px}.p2048__heading h1{font-size:56px}.p2048__mode{font-size:10px}.p2048__columns{gap:22px}.p2048__score{padding:10px}.p2048__score>span{font-size:9px}.p2048__icon-button{width:40px}.p2048__board{border-radius:12px}.p2048__side{grid-template-columns:1fr}.p2048__actions .button{flex:1 1 48%}.p2048__actions>a{flex-basis:100%}}
@media(prefers-reduced-motion:reduce){.p2048 .p2048__tile,.p2048 .p2048__score,.p2048 .p2048__score em{animation:none!important;transition:none!important}}

.p2048 [hidden]{display:none!important}
/* Online-mode additions, scoped to the play page. */
.p2048__awards{padding:9px 12px;border:1px solid #5e987d;border-radius:9px;background:#214333;color:#bbf4d7;font-weight:700;font-size:12px;line-height:1.5;margin-top:15px}
.p2048__overlay-card .p2048__overlay-actions{align-items:stretch}
.p2048__overlay-actions .button{min-width:120px}

/* Light theme — game tile palette intentionally retained. */
.p2048{--g-bg:#c9c1b5;--g-cell:#b6ada0;--g-line:#aaa093;--g-amber:#e58a3a;--g-muted:#716b62}
.p2048__heading p{color:#716b62}
.p2048__mode{border-color:#d7cfc3;background:#f3efe8;color:#625c54}
.p2048__score{background:#fff;border-color:#d8d0c4;box-shadow:0 5px 16px rgba(73,58,40,.04)}
.p2048__score--best{background:#fff7eb;border-color:#e5c99f}
.p2048__score>span{color:#756f66}.p2048__score--best strong{color:#a95f20}.p2048__score small{color:#817665}
.p2048__icon-button{background:#fff;border-color:#d8d0c4;color:#5d574f}.p2048__icon-button:hover{background:#f2ede5}
.p2048__board{box-shadow:0 16px 36px rgba(64,54,44,.16),inset 0 1px 0 rgba(255,255,255,.55)}
.p2048__cell{box-shadow:inset 0 2px 3px rgba(77,65,51,.10)}
.p2048__actions>a,.p2048__foot{color:#716b62}.p2048__instructions span{border-color:#c7beb1;color:#5f5951}
.p2048__notice{border-color:#e4cda9;background:#fff8eb;color:#725f47}.p2048__notice strong{color:#654417}
.p2048__side-card dl>div{border-color:#e2dcd1}.p2048__side-card dt{color:#736d64}
.p2048__overlay{background:rgba(246,243,236,.88)}
.p2048__overlay-card{border-color:#d7cfc3;background:#fff;box-shadow:0 16px 42px rgba(74,57,37,.16)}
.p2048__result>div{border-color:#ddd5c9;background:#faf7f1}.p2048__result span{color:#766f65}
.p2048__awards{border-color:#a7d1be;background:#edf8f2;color:#2e6a50}