/* TJK-Chess v16.0.7 — consolidated Play block. No page-wide observer and no legacy redesign stack. */
:root{--v1607-blue:#176ee8;--v1607-navy:#0a1938;--v1607-line:#d7e2ef;--v1607-soft:#f7faff;--v1607-muted:#657892;--v1607-green:#66a927}
[data-view="play"] .play-workspace,[data-view="position-play"] .v266-position-workspace{width:min(calc(100% - 40px),1500px);max-width:1500px;margin:0 auto;padding:28px 0 60px;box-sizing:border-box}
[data-view="play"] .play-heading.v1607-play-heading{margin:0 0 16px;padding:0;background:transparent;border:0;box-shadow:none}
[data-view="play"] .play-heading.v1607-play-heading>div:first-child>span{display:block;color:var(--v1607-blue);font-size:12px;font-weight:900;letter-spacing:.08em}
[data-view="play"] .play-heading.v1607-play-heading h1{margin:4px 0 5px;color:var(--v1607-navy);font-size:32px;line-height:1.08}
[data-view="play"] .play-heading.v1607-play-heading p{margin:0;color:var(--v1607-muted);font-size:14px}
.v1607-play-tabs,.v266-position-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));width:min(100%,940px);margin:16px 0 18px;overflow:hidden;border:1px solid #d6e1ee;border-radius:9px;background:#fff}
.v1607-play-tabs button,.v266-position-tabs button{min-width:0;height:48px;padding:0 10px;border:0;border-right:1px solid #e1e8f1;background:#fff;color:#62748f;font-weight:800;cursor:pointer;white-space:nowrap}
.v1607-play-tabs button:last-child,.v266-position-tabs button:last-child{border-right:0}
.v1607-play-tabs button:hover,.v266-position-tabs button:hover{background:#f3f7fd;color:#24456e}
.v1607-play-tabs button.is-active,.v266-position-tabs button.is-active{background:#176ee8;color:#fff}
body.is-playing-game [data-view="play"] .v1607-play-heading{display:none!important}

/* Online play: real public lobby at left and one setup card at right. */
[data-view="play"] .play-layout.v268-online-layout{display:grid;grid-template-columns:minmax(440px,.9fr) minmax(520px,1.1fr);gap:16px;align-items:start}
[data-view="play"] .v276-online-lobby-card,[data-view="play"] .v268-game-setup{border:1px solid var(--v1607-line);border-radius:10px;background:#fff;box-shadow:none;min-width:0}
[data-view="play"] .v276-online-lobby{min-height:510px;padding:18px;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.v276-lobby-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.v276-lobby-head h2{margin:3px 0 4px;font-size:24px;color:var(--v1607-navy)}.v276-lobby-head p{margin:0;color:#617792}.v276-lobby-head>button{border:1px solid #d5e0ed;border-radius:7px;background:#fff;padding:7px 10px;cursor:pointer}
.v276-lobby-summary{display:flex;gap:8px;align-items:center;font-size:13px;color:#526985}
.v278-lobby-filters{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(105px,.7fr) minmax(125px,.8fr);gap:7px}.v278-lobby-filters :is(input,select){min-width:0;width:100%;height:38px;border:1px solid #cfdaea;border-radius:7px;background:#fff;padding:0 9px;color:#102c4e}
.v276-lobby-offers{display:grid;gap:6px;max-height:250px;overflow:auto;padding-right:2px}.v276-lobby-offers>button{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center;width:100%;border:1px solid #e0e8f3;border-radius:8px;background:#f9fbfe;padding:9px 10px;color:#102c4e;text-align:left;cursor:pointer}.v276-lobby-offers>button strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.v276-lobby-offers>button small{display:block;color:#71839c}.v276-lobby-offers>button em{font-style:normal;color:#647998;font-size:12px}.v276-lobby-empty{padding:18px 8px;color:#71839c;text-align:center}.v276-lobby-empty.is-error{color:#a43b48}
.v278-lobby-games{margin-top:4px;padding-top:10px;border-top:1px solid #e6edf6}.v278-lobby-games h3{margin:0 0 8px;font-size:15px}.v278-lobby-games>p{margin:0;color:#71839c}.v278-lobby-game{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid #edf2f7;font-size:12px}.v278-lobby-game strong:last-child{text-align:right}.v278-lobby-game small{font-weight:500;color:#71839c}
[data-view="play"] .v268-game-setup{padding:18px}.v268-game-setup .live-setup-title h2{font-size:28px;margin:0 0 5px;color:var(--v1607-navy)}.v268-game-setup .live-setup-title p{font-size:14px;line-height:1.45;color:#40536c;margin:0}.v268-game-setup .live-setup-close,.v268-setup-tabs{display:none!important}
.v268-time-manual{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:14px 0 10px}.v268-time-manual label{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;color:#56677f;font-size:13px;font-weight:750}.v268-time-manual label>span{grid-column:1}.v268-time-manual label>div{display:flex;align-items:center;gap:6px}.v268-time-manual input[type="number"]{width:58px;height:40px;border:1px solid #cfd9e6;border-radius:8px;text-align:center;font-size:18px;font-weight:850;color:var(--v1607-navy)}.v268-time-manual input[type="range"]{grid-column:1/-1;width:100%;accent-color:var(--v1607-green)}
.v268-preset-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;margin:10px 0 16px}.v268-preset-row button{min-width:0;min-height:36px;padding:0 6px;border:1px solid #dce4ee;border-radius:8px;background:#f6f8fb;color:#28384f;font-weight:800;cursor:pointer}.v268-preset-row button.is-active{background:var(--v1607-green);border-color:var(--v1607-green);color:#fff}
.v268-game-mode{margin:4px 0 14px;text-align:center}.v268-game-mode h3{font-size:14px;margin:0 0 8px;color:#3d4a5d}.v268-game-mode>div{display:grid;grid-template-columns:1fr 1fr;border:1px solid #d8e1eb;border-radius:9px;overflow:hidden}.v268-game-mode button{min-height:46px;border:0;background:#f6f8fb;color:#53627a;font-size:15px;font-weight:850;cursor:pointer}.v268-game-mode button.is-active{background:var(--v1607-green);color:#fff}
.v268-rating-line{text-align:center;margin:12px 0 14px;color:#66758d;font-size:14px}.v268-rating-line strong{color:#2b3545;font-size:17px}.v268-rating-filter{display:grid;gap:7px;margin:0 0 14px;text-align:center;color:#65748b;font-size:12px;font-weight:800}.v268-rating-filter>div{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:10px;align-items:center}.v268-rating-filter input{width:100%;accent-color:var(--v1607-green)}
.v268-private-button,.v268-create-lobby{width:100%;margin-top:9px}.v268-private-ready{display:grid;justify-items:center;gap:9px;margin-top:12px;padding:14px;border:1px solid #d8e4f1;border-radius:10px;background:#f8fbff}.v268-invite-qr{width:164px;height:164px;padding:8px;border:1px solid #d8e1eb;border-radius:10px;background:#fff;display:grid;place-items:center}.v268-invite-qr img,.v268-invite-qr canvas{width:148px;height:148px}

/* Computer setup: modern time controls; no embedded board editor. */
[data-view="play"] .bot-setup-layout.v274-computer-layout,[data-view="play"] .bot-setup-layout.v269-computer-layout,[data-view="play"] .bot-setup-layout{display:grid;grid-template-columns:minmax(390px,.92fr) minmax(0,1.08fr);gap:16px;align-items:start;width:100%;min-width:0}.bot-gallery-card,.bot-options-card{min-width:0;max-width:100%;box-sizing:border-box}.bot-options-card .v266-editor,.bot-options-card .v266-editor-host{display:none!important}
.v269-computer-setup,.v275-computer-setup{padding:18px!important;min-height:0!important;height:auto!important;overflow:visible!important}.v275-computer-time{margin:12px 0 0}.v275-computer-time>h3{margin:0 0 8px;font-size:20px;color:var(--v1607-navy)}.v275-computer-time-manual{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:10px 0 12px}.v275-computer-time-manual label{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;font-size:12px;font-weight:800;color:#526984}.v275-computer-time-manual label>span{grid-column:1}.v275-computer-time-manual label>div{display:flex;align-items:center;gap:6px}.v275-computer-time-manual input[type="number"]{width:58px;height:38px;border:1px solid #ccd8e7;border-radius:8px;text-align:center;font-size:17px;font-weight:900;color:var(--v1607-navy)}.v275-computer-time-manual input[type="range"]{grid-column:1/-1;width:100%;accent-color:var(--v1607-green)}.v275-computer-preset-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:8px 0 14px}.v275-computer-preset-row button{min-height:62px;border:1px solid #dce5ef;border-radius:8px;background:#f7f9fc;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;color:#33455f}.v275-computer-preset-row button.is-active{background:var(--v1607-green);border-color:var(--v1607-green);color:#fff}.v275-computer-preset-row strong{font-size:17px;line-height:1}.v275-computer-preset-row small{font-size:10px;color:inherit}

/* Position play uses analysis-board vocabulary and the historical notation tree. */
[data-view="position-play"] .v266-position-head{margin:0 0 16px}.v266-position-head>span{display:block;color:var(--v1607-blue);font-size:12px;font-weight:900;letter-spacing:.08em}.v266-position-head h1{margin:4px 0 5px;color:var(--v1607-navy);font-size:32px}.v266-position-head p{margin:0;color:var(--v1607-muted);font-size:14px}.v266-position-grid{display:grid;grid-template-columns:270px minmax(480px,620px) minmax(390px,1fr);gap:14px;align-items:start}.v266-position-list,.v266-position-board-card,.v266-position-detail{min-width:0}.v266-position-list{border:1px solid var(--v1607-line);border-radius:10px;background:#fff;padding:12px}.v266-position-items{display:grid;gap:6px;max-height:660px;overflow:auto}.v266-position-items>button,.v266-chapter{border:1px solid #e0e8f2;border-radius:8px;background:#fbfdff}.v266-position-items>button{display:grid;grid-template-columns:32px minmax(0,1fr) 18px;gap:8px;align-items:center;width:100%;padding:9px;text-align:left;color:#17314f;cursor:pointer}.v266-position-items>button.is-active,.v266-chapter.is-active{border-color:#79a9ef;background:#eef5ff}.v266-opening-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 38px;gap:7px;margin-bottom:10px}.v266-opening-toolbar :is(input,button),.v266-position-list>input{height:38px;border:1px solid #cfdbea;border-radius:7px;background:#fff;padding:0 9px}.v266-list-title{display:flex;justify-content:space-between;margin:8px 0;color:#687d9a;font-size:12px;font-weight:850}.v266-chapter{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;overflow:hidden}.v266-chapter>button:first-child{display:grid;grid-template-columns:30px minmax(0,1fr);gap:8px;align-items:center;border:0;background:transparent;padding:9px;text-align:left;cursor:pointer}.v266-chapter>div{display:flex;padding-right:6px}.v266-chapter>div button{border:0;background:transparent;padding:5px;color:#647999;cursor:pointer}
.v266-position-board-card{border:1px solid var(--v1607-line);border-radius:10px;background:#fff;padding:10px}.v266-board-wrap{width:100%;aspect-ratio:1/1}.v266-analysis-board{width:100%;height:100%;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr)}.v266-position-board-card .is-drop-target{box-shadow:inset 0 0 0 4px #f3c64d!important}.v266-position-board-card .analysis-square.is-selected{box-shadow:inset 0 0 0 4px #f3c64d!important}.v266-position-board-card .analysis-square.is-selected,.v266-position-board-card .analysis-square.is-drop-target{background-color:inherit!important}
.v266-position-detail{display:grid;gap:12px}.v266-engine,.v275-position-moves{border:1px solid var(--v1607-line);border-radius:10px;background:#fff;overflow:hidden}.v266-engine .analysis-card-heading,.v275-position-moves .analysis-card-heading{padding:12px 14px;margin:0;border-bottom:1px solid #dde6f0}.v266-engine .analysis-engine-settings{display:grid;grid-template-columns:minmax(120px,1.45fr) 82px 72px 92px;gap:8px;padding:10px 14px 8px;align-items:end}.v266-engine .analysis-engine-settings select,.v266-engine [data-v266-analyse]{height:38px}.v266-engine .analysis-engine-state{padding:4px 14px 6px}.v266-engine .analysis-pv-list{padding:0 10px 9px;display:grid}.v275-engine-line{display:grid;grid-template-columns:74px minmax(0,1fr) 42px;align-items:center;gap:8px;width:100%;min-height:42px;margin:0;padding:7px 8px;border:0;border-top:1px solid #e5ecf4;background:#fff;text-align:left;cursor:pointer}.v275-engine-line:hover{background:#f2f7ff}.v275-engine-line b{color:#0867dd;font-size:18px}.v275-engine-line span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#17314f}.v275-engine-line small{text-align:right;color:#7b8ca5}
.v276-move-menu{position:fixed;z-index:20000;min-width:190px;padding:5px;border:1px solid #cfdbea;border-radius:8px;background:#fff;box-shadow:0 12px 30px rgba(14,35,65,.22)}.v276-move-menu button{display:block;width:100%;padding:8px 10px;border:0;border-radius:6px;background:#fff;text-align:left;cursor:pointer}.v276-move-menu button:hover{background:#eef5ff}

@media(max-width:1380px){[data-view="play"] .bot-setup-layout{grid-template-columns:1fr}.v266-position-grid{grid-template-columns:230px minmax(440px,1fr);}.v266-position-detail{grid-column:1/-1;grid-template-columns:1fr 1fr}}
@media(max-width:1120px){[data-view="play"] .play-layout.v268-online-layout{grid-template-columns:1fr}.v266-position-grid{grid-template-columns:1fr}.v266-position-detail{grid-template-columns:1fr}.v266-position-list{order:2}.v266-position-board-card{order:1}.v266-position-detail{order:3}}
@media(max-width:900px){.v278-lobby-filters,.v268-time-manual,.v275-computer-time-manual{grid-template-columns:1fr}.v268-preset-row{grid-template-columns:repeat(3,minmax(0,1fr))}.v1607-play-tabs,.v266-position-tabs{overflow-x:auto;grid-template-columns:repeat(5,minmax(150px,1fr))}}
@media(max-width:640px){[data-view="play"] .play-workspace,[data-view="position-play"] .v266-position-workspace{width:calc(100% - 20px);padding-top:18px}.v275-computer-preset-row{grid-template-columns:repeat(3,minmax(0,1fr))}.v268-preset-row{grid-template-columns:repeat(3,minmax(0,1fr))}.v276-lobby-offers>button{grid-template-columns:minmax(0,1fr) auto}.v276-lobby-offers>button em{display:none}}