.play-page{min-height:100vh}.play-page.is-playing .home-hub-tabs-wrap{display:none}.play-header{width:min(1180px,calc(100% - 24px));max-width:none}.play-header .nav-account-button{text-decoration:none}
.play-levels,.play-session{width:min(1120px,calc(100% - 32px));margin:38px auto 72px}.play-hero{max-width:760px;margin-bottom:25px}.play-hero h1{margin:4px 0 10px;font:800 clamp(43px,6vw,70px)/.96 var(--serif);letter-spacing:-.06em}.play-hero>p:not(.guest-access-note){max-width:720px;margin:0;color:var(--muted);font-size:15px}
.play-level-grid{display:grid;grid-template-columns:repeat(14,minmax(0,1fr));gap:9px}.play-level-button{position:relative;display:grid;grid-template-rows:auto 1fr auto;aspect-ratio:.95;min-width:0;padding:6px 7px 7px;border:1px solid #d3907f;border-radius:11px;background:linear-gradient(155deg,#fffdf8 0%,#fff0eb 56%,#f2b2a4 100%);box-shadow:inset 0 1px 0 #fff,0 4px 0 #bd5b49,0 8px 14px rgba(91,45,36,.14);text-align:center;transform:translateY(0);transition:filter .14s ease,box-shadow .1s ease,transform .1s ease}.play-level-button:nth-child(4n+2){border-color:#c6b36e;background:linear-gradient(155deg,#fffef8 0%,#fff7dd 57%,#ead48c 100%);box-shadow:inset 0 1px 0 #fff,0 4px 0 #ae9340,0 8px 14px rgba(91,74,26,.13)}.play-level-button:nth-child(4n+3){border-color:#8db095;background:linear-gradient(155deg,#fffefa 0%,#eaf7ef 57%,#a8cfb1 100%);box-shadow:inset 0 1px 0 #fff,0 4px 0 #5f9470,0 8px 14px rgba(49,91,61,.13)}.play-level-button:nth-child(4n){border-color:#a8afd0;background:linear-gradient(155deg,#fffefa 0%,#f0f4ff 57%,#bdc7ee 100%);box-shadow:inset 0 1px 0 #fff,0 4px 0 #7986bc,0 8px 14px rgba(52,61,104,.13)}.play-level-button:hover,.play-level-button:focus-visible{z-index:1;filter:saturate(1.05) brightness(1.02);transform:translateY(-2px)}.play-level-button:active{box-shadow:inset 0 2px 4px rgba(52,43,36,.15),0 1px 0 #aa5646,0 4px 8px rgba(52,43,36,.12);transform:translateY(3px)}.play-level-button strong{align-self:center;font:800 clamp(19px,1.7vw,24px)/1 var(--serif);letter-spacing:-.05em}.play-level-wins,.play-level-losses{font-size:7.5px;font-weight:850;letter-spacing:.03em}.play-level-wins{justify-self:start;color:var(--success-dark)}.play-level-losses{justify-self:end;color:#9f3f36}
.play-session{margin-top:22px}.play-back-button{justify-self:start;display:inline-flex;align-items:center;gap:5px;min-height:32px;padding:5px 9px;border:0;border-radius:8px;background:#fffdf8;box-shadow:0 2px 0 #c8bdb3;color:var(--muted);font-size:10px;font-weight:850}.play-back-button:active{box-shadow:0 0 0 #c8bdb3;transform:translateY(2px)}
.play-workspace{display:grid;grid-template-columns:minmax(380px,650px) minmax(280px,1fr);align-items:start;justify-content:center;gap:18px}.play-board-panel{padding:12px;border-radius:19px}.play-board-meta{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;min-height:34px;margin:0 2px 9px}.play-board-meta h1{grid-column:2;margin:0;font:800 24px/1 var(--serif);letter-spacing:-.04em;text-align:center}.play-board-meta .play-back-button{grid-column:1;grid-row:1}.play-board-meta .play-sound-toggle{grid-column:3;grid-row:1;justify-self:end;width:34px;height:32px;margin:0 0 4px;border-color:#d48977;border-radius:9px;background:linear-gradient(180deg,#fffdf8 0%,#fff0eb 58%,#f4b1a3 100%);box-shadow:inset 0 1px 0 #fff,0 4px 0 #bd5b49,0 7px 12px rgba(91,45,36,.18);color:#ad4635}.play-board{border-width:6px;border-radius:11px;box-shadow:0 5px 0 #29313a,0 15px 30px rgba(52,43,36,.15)}.play-board.is-locked .board-square{cursor:default}.play-board.is-thinking:after{content:"Stockfish is thinking…";position:absolute;z-index:8;left:50%;top:50%;width:max-content;max-width:calc(100% - 28px);padding:10px 15px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(34,33,31,.9);box-shadow:0 10px 28px rgba(17,20,16,.3);color:#fff;font-size:12px;font-weight:800;transform:translate(-50%,-50%);pointer-events:none}
.play-game-panel{display:grid;gap:16px;min-height:330px;padding:22px;border-radius:20px}.play-opponent{display:flex;align-items:center;gap:11px;padding-bottom:16px;border-bottom:1px solid var(--line)}.play-engine-mark{display:grid;width:45px;height:45px;place-items:center;border:1px solid #9a8bbf;border-radius:14px;background:linear-gradient(145deg,#f8f4ff,#d9cef4);box-shadow:0 4px 0 #76649d;color:#59467e;font-size:27px}.play-opponent small,.play-opponent strong{display:block}.play-opponent small{color:var(--muted);font-size:8px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.play-opponent strong{margin-top:2px;font-size:14px}.play-current-record{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#f7f2eb}.play-current-record span{padding:10px;color:var(--muted);font-size:9px;text-align:center;text-transform:uppercase}.play-current-record span+span{border-left:1px solid var(--line)}.play-current-record strong{display:block;color:var(--ink);font:800 22px/1 var(--serif)}.play-moves{min-height:104px;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fffdf8}.play-moves small{display:block;margin-bottom:7px;color:var(--muted);font-size:8px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.play-moves p{max-height:132px;margin:0;overflow:auto;color:var(--ink);font:600 12px/1.65 "Inconsolata",monospace;overflow-wrap:anywhere}.play-actions{display:grid;grid-template-columns:1fr 1fr;align-self:end;gap:9px}.play-actions .button{min-width:0}.play-actions .primary-button,.play-actions #play-retry-engine{grid-column:1/-1}.play-resign-button{padding:8px;border:0;background:transparent;color:#9f3f36;font-size:10px;font-weight:800;text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.play-level-grid{grid-template-columns:repeat(10,minmax(0,1fr))}.play-workspace{grid-template-columns:1fr}.play-board-panel,.play-game-panel{width:min(100%,650px);margin:auto}.play-game-panel{min-height:0}}
@media(max-width:620px){.play-header{width:calc(100% - 16px);min-height:48px;padding:5px 9px;border-radius:15px}.play-header .brand-mark{height:22px}.play-header .wordmark{font-size:15px}.play-levels{width:calc(100% - 20px);margin:17px auto 40px}.play-hero{margin:0 3px 15px}.play-hero h1{font-size:39px}.play-hero>p:not(.guest-access-note){font-size:11px;line-height:1.45}.play-level-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.play-level-button{min-height:58px;padding:5px;border-radius:10px;box-shadow:inset 0 1px 0 #fff,0 3px 0 #bd5b49,0 6px 10px rgba(91,45,36,.11)}.play-level-button strong{font-size:18px}.play-level-wins,.play-level-losses{font-size:7px}.play-session{width:calc(100% - 12px);margin:8px auto 35px}.play-back-button{min-height:30px;padding:4px 7px;font-size:9px}.play-workspace{gap:9px}.play-board-panel{padding:6px;border-radius:14px}.play-board-meta{min-height:32px;margin:0 1px 6px}.play-board-meta h1{font-size:21px}.play-board-meta .play-sound-toggle{width:32px;height:30px}.play-board{border-width:5px;border-radius:9px}.play-board.is-thinking:after{padding:8px 11px;font-size:10px}.play-game-panel{gap:10px;padding:14px;border-radius:16px}.play-opponent{padding-bottom:10px}.play-engine-mark{width:36px;height:36px;border-radius:10px;font-size:21px}.play-opponent strong{font-size:12px}.play-current-record span{padding:7px}.play-current-record strong{font-size:18px}.play-moves{min-height:78px;padding:10px}.play-moves p{max-height:92px;font-size:11px}.play-actions{gap:7px}.play-actions .button{min-height:38px;padding:7px 9px;font-size:10px}}
@media(max-width:350px){.play-level-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.play-board-meta h1{font-size:18px}}
@media(prefers-reduced-motion:reduce){.play-page *{transition:none!important}}

.play-engine-mark{overflow:visible;border:0;background:transparent;box-shadow:none}.play-engine-mark img{display:block;width:52px;height:52px;object-fit:contain;filter:drop-shadow(0 6px 6px rgba(52,43,36,.17))}@media(max-width:560px){.play-engine-mark img{width:42px;height:42px}}