:root{
  --navy:#08245c;
  --navy2:#174b7b;
  --blue:#1f5f9d;
  --gold:#d99a23;
  --cream:#f3e6d4;
  --paper:#fffdf9;
  --paper2:#f8f3eb;
  --text:#263444;
  --muted:#6d7786;
  --line:#d8cdbf;
  --shadow:0 14px 38px rgba(31,42,56,.13);
  --publication-font:"Segoe UI",Arial,sans-serif;
  --notation-font:"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:var(--publication-font);color:var(--text);background:linear-gradient(180deg,#f6eddf,#f9f6f1 360px)}
button,select,input{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
.app{min-height:100vh}
.app-header{min-height:78px;background:linear-gradient(135deg,#08245c,#123f73);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:11px 18px;box-shadow:0 5px 18px rgba(8,36,92,.22);position:sticky;top:0;z-index:50}
.app-brand{display:flex;align-items:center;gap:12px;min-width:0}
.app-logo{width:52px;height:52px;display:block;flex:0 0 auto}
.app-brand-copy{min-width:0;display:flex;flex-direction:column;gap:2px}
.app-brand-copy strong{font-size:24px;line-height:1.12;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.app-brand-copy span{font-size:12px;color:#dce7f7;font-weight:700}
.app-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.header-btn{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.09);color:#fff;border-radius:10px;min-height:42px;padding:0 12px;display:inline-flex;align-items:center;gap:7px;font-weight:800}
.header-btn:hover{background:rgba(255,255,255,.17)}
.header-glyph{font-size:22px;line-height:1}
.app-main{padding:20px 18px 28px}
.screen{max-width:1495px;margin:0 auto}
.setup-screen{max-width:1180px}
.setup-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:6px 0 18px}
.kicker{display:inline-flex;color:#8a5b0a;font-size:11px;font-weight:900;letter-spacing:.12em;margin-bottom:7px}
.setup-intro h1{margin:0;color:var(--navy);font-size:clamp(30px,4vw,44px);line-height:1.06;letter-spacing:-.025em}
.setup-intro p{max-width:820px;margin:10px 0 0;color:#566072;font-size:16px;line-height:1.55}
.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.setup-card{background:rgba(255,253,249,.96);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.card-heading{display:flex;gap:11px;align-items:flex-start;margin-bottom:16px}
.step-badge{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#f3d79f;color:#08245c;font-weight:900;flex:0 0 auto}
.card-heading h2{margin:1px 0 4px;color:var(--navy);font-size:20px}
.card-heading p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.upload-box{width:100%;min-height:118px;border:2px dashed #9fb4c8;border-radius:14px;background:#f7fbff;color:var(--navy);display:grid;grid-template-columns:auto 1fr;grid-template-areas:"icon main" "icon sub";column-gap:14px;align-items:center;text-align:left;padding:16px;margin-bottom:8px}
.upload-box:hover{background:#eef6ff;border-color:#5d8ab5}
.upload-icon{grid-area:icon;width:56px;height:56px;border-radius:14px;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900;font-size:14px;box-shadow:inset 0 -3px 0 rgba(217,154,35,.65)}
.upload-main{grid-area:main;font-size:18px;font-weight:900;align-self:end}
.upload-sub{grid-area:sub;color:#677586;font-size:13px;align-self:start;overflow-wrap:anywhere}
.message{min-height:20px;font-size:12px;color:#6f5d43;margin-bottom:8px}
.message.error{color:#a32934}.message.ok{color:#26713b}
.field-stack{display:grid;gap:6px;margin-top:12px;color:#485467;font-size:13px;font-weight:800}
.field-stack input,.field-stack select{width:100%;border:1px solid #c9c1b7;background:#fff;color:#263444;border-radius:10px;padding:10px 11px;min-height:42px;outline:none}
.field-stack input:focus,.field-stack select:focus{border-color:#5d8ab5;box-shadow:0 0 0 3px rgba(31,95,157,.1)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.switch-row{margin-top:15px;border:1px solid #d7c9b6;border-radius:12px;background:#fbf6ee;padding:12px 13px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.switch-row span{display:grid;gap:3px}.switch-row b{color:var(--navy)}.switch-row small{color:var(--muted);font-size:12px;line-height:1.35;font-weight:500}
.switch-row input{appearance:none;width:44px;height:24px;border-radius:999px;background:#c6cbd0;position:relative;flex:0 0 auto;transition:.18s}
.switch-row input:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.25);transition:.18s}
.switch-row input:checked{background:#1f6aab}.switch-row input:checked:before{transform:translateX(20px)}
.fixed-settings{margin-top:13px;border-radius:10px;background:#eef3f8;color:#536276;padding:10px 12px;font-size:12px;line-height:1.45}
.setup-actions{display:flex;justify-content:flex-end;margin-top:18px}
.primary-btn{border:1px solid #d19a35;background:linear-gradient(#f6d887,#e9b74e);color:#2b2418;border-radius:12px;min-width:210px;padding:12px 18px;font-weight:900;display:inline-flex;align-items:center;justify-content:center;gap:12px;box-shadow:0 7px 16px rgba(159,108,19,.18)}
.primary-btn:hover{filter:brightness(1.03);transform:translateY(-1px)}

.viewer-screen{max-width:1495px}
.viewer-project-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 12px;background:#fffdf9;border:1px solid var(--line);border-radius:12px;padding:10px 14px;box-shadow:0 7px 20px rgba(34,46,59,.07)}
.viewer-project-head h1{margin:0;color:var(--navy);font-size:20px;line-height:1.2}
.viewer-project-head p{margin:3px 0 0;color:var(--muted);font-size:13px}
.new-pgn-btn{border:1px solid #b7c4d0;background:#fff;color:var(--navy);border-radius:9px;padding:8px 11px;font-weight:800;white-space:nowrap}.new-pgn-btn:hover{background:#eef5fb}
.viewer-layout{--board-panel-width:610px;--viewer-panel-height:auto;display:grid;grid-template-columns:minmax(340px,var(--board-panel-width)) minmax(480px,1fr);gap:14px;align-items:start}
.board-panel,.notation-panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.board-panel{padding:16px;min-width:0;align-self:start}
.game-head{display:flex;justify-content:space-between;gap:12px;font-size:16px;align-items:flex-start}.game-head>b{color:#9b680f}
.player-lines{display:flex;flex-direction:column;gap:4px;min-width:0}.player-line{display:flex;align-items:center;gap:8px;min-width:0}.player-line strong{color:#102f4f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-color{width:13px;height:13px;border:1px solid #263444;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);flex:0 0 auto}.player-color.white{background:#fffdf3}.player-color.black{background:#1e2630}.player-elo{color:#66717b;font-weight:700;font-size:13px}
.meta-line{min-height:22px;color:var(--muted);font-size:12px;margin:4px 0 8px}
.board-resize-shell{width:100%;max-width:560px;aspect-ratio:1;margin:0 auto;position:relative;min-width:250px;min-height:250px}
.board-resize-shell.coords-outside .board{width:calc(100% - 25px);height:calc(100% - 25px);margin-left:25px}
.board{width:100%;height:100%;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);background-repeat:repeat;background-size:25% 25%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.16),0 10px 24px rgba(35,40,45,.17);touch-action:none;overflow:hidden;border-radius:4px}
.square{position:relative;display:grid;place-items:center;user-select:none}.square.selected{background:rgba(255,214,77,.55)}.square.last{box-shadow:inset 0 0 0 999px rgba(255,235,95,.25)}.square.hint:after{content:"";width:22%;aspect-ratio:1;border-radius:50%;background:rgba(35,50,68,.32);position:absolute}.square.capture-hint:after{content:"";position:absolute;inset:7%;border:4px solid rgba(35,50,68,.34);border-radius:50%}
.piece{width:89%;height:89%;object-fit:contain;position:relative;z-index:3;cursor:grab;filter:drop-shadow(0 2px 1px rgba(0,0,0,.22));touch-action:none}.piece:active{cursor:grabbing}.piece.is-dragging{opacity:0}.floating-piece{position:fixed;left:0;top:0;z-index:2000;pointer-events:none;object-fit:contain;transform:translate(-50%,-50%);filter:drop-shadow(0 2px 1px rgba(0,0,0,.22))}
.promotion-picker{position:absolute;z-index:1000;display:flex;gap:5px;padding:7px;background:rgba(255,255,255,.97);border:1px solid #b8c4cf;border-radius:10px;box-shadow:0 14px 38px rgba(18,35,52,.24)}.promotion-picker button{width:54px;height:54px;border:1px solid #c7d1da;border-radius:50%;background:linear-gradient(#f9fbfc,#e8eef3);display:grid;place-items:center}.promotion-picker img{width:44px;height:44px;object-fit:contain}
.coord{position:absolute;font-size:10px;font-weight:800;opacity:.72;z-index:4;text-shadow:0 1px rgba(255,255,255,.25)}.coord.file{right:3px;bottom:1px}.coord.rank{left:3px;top:1px}.coord-out{position:absolute;z-index:6;color:#33475b;font-size:13px;font-weight:900;line-height:1;pointer-events:none}.coord-out.file{bottom:2px;transform:translateX(-50%)}.coord-out.rank{left:5px;transform:translateY(-50%)}
.controls{display:flex;justify-content:center;gap:var(--control-gap,7px);margin:14px auto 0;flex-wrap:nowrap;width:min(100%,var(--board-control-width,600px))}.controls button{width:var(--control-btn,44px);height:var(--control-height,38px);border:1px solid #c5cdd4;background:#f4f6f7;border-radius:8px;display:grid;place-items:center;flex:0 0 auto;padding:0}.controls button:hover{background:#e5edf2}.controls button.game-nav{width:var(--control-game-btn,48px);background:#edf3f7;border-color:#9fb2c2}.controls img{width:var(--control-icon,22px);height:var(--control-icon,22px)}.controls button.game-nav img{width:var(--control-game-icon,25px);height:var(--control-game-icon,25px)}
.status{margin-top:9px;min-height:20px;text-align:center;color:var(--muted);font-size:12px}
.notation-panel{padding:16px;display:flex;flex-direction:column;height:var(--viewer-panel-height);min-height:0;overflow:hidden}.notation-panel>label{font-size:11px;font-weight:900;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.notation-panel>select{flex:0 0 auto;margin:6px 0 11px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);font-size:14px}
.engine-panel{flex:0 0 auto;border:1px solid var(--line);background:#f7f8f8;border-radius:8px;margin:0 0 10px;overflow:hidden}.engine-head{min-height:40px;display:flex;align-items:center;gap:8px;padding:6px 8px;color:#2b3a48}.engine-head strong{font-size:14px;color:var(--navy)}.engine-head span{font-size:12px;color:var(--muted);margin-right:auto}.engine-head button{border:1px solid #aebbc7;background:#fff;color:var(--navy);border-radius:6px;padding:5px 9px;font-size:12px;font-weight:800}.engine-head button:hover{background:#edf3f7}.engine-lines{border-top:1px solid var(--line);padding:4px 8px 6px;background:#fff}.engine-line{display:grid;grid-template-columns:52px minmax(0,1fr) 24px;gap:8px;align-items:baseline;min-height:24px;font-size:14px;line-height:1.25}.engine-score{font-weight:900;color:#1f2f3f}.engine-pv{white-space:normal;overflow:hidden;color:#333}.engine-expand{width:24px;height:22px;border:0;background:transparent;color:#7b8792;font-size:13px}.engine-line.is-empty{grid-template-columns:52px minmax(0,1fr)}.engine-line.is-empty .engine-pv{color:var(--muted);font-style:italic}
.moves{min-height:0;flex:1 1 auto;overflow:auto;line-height:1.58;font-family:var(--notation-font);font-size:16px;padding-right:7px;color:#111827;scrollbar-width:thin}.move{display:inline-block;padding:0 3px;border-radius:4px;cursor:pointer;font-weight:700;color:#111827}.move:hover{background:#e8edf1}.move.active{background:var(--navy2);color:#fff}.move-num{color:#111827;font-weight:700;margin-left:6px}.game-result-token{display:inline-block;margin-left:8px;font-weight:800;color:#111827}.nag{color:currentColor;font-weight:800;margin-left:2px}.comment{font-family:var(--publication-font);font-size:15px;font-style:normal;font-weight:400;color:#123fba;margin:0 4px}.variation{display:inline;color:#8f2634;font-size:.96em;line-height:inherit;margin:0 3px;font-weight:500;white-space:normal}.variation-open,.variation-close{font-weight:700}.variation-open{margin-right:4px}.variation-close{margin-left:2px}.variation-label{color:#123fba;font-weight:400;margin-right:.18em}.variation-sep{display:inline-block;color:#5d6570;font-weight:500;margin:0 4px 0 0}.variation .move{font-weight:500;color:currentColor;padding-left:1px;padding-right:2px}.variation .move:hover{text-decoration:underline;text-underline-offset:3px}.variation .move-num{color:currentColor;font-weight:500}.variation .comment{color:#123fba}.variation.depth-0{color:#8f2634}.variation.depth-1{color:#557a3b}.variation.depth-2{color:#5f3a24}.variation.depth-3{color:#6f5a8f}.variation.depth-4{color:#4f6f73}.empty-note{color:var(--muted);font-style:italic}

body.pgn-fullscreen-active{overflow:hidden;background:#f6eddf}
body.pgn-fullscreen-active .app{min-height:100vh;min-height:100dvh}
body.pgn-fullscreen-active .app-header{position:sticky;top:0}
body.pgn-fullscreen-active .app-main{padding-bottom:14px}
body.pgn-fullscreen-active .viewer-layout{min-height:calc(100dvh - 154px)}

@media(max-width:1050px){
  .viewer-layout{grid-template-columns:1fr}.notation-panel{height:auto;min-height:390px;max-height:650px}.board-resize-shell{max-width:min(100%,560px)}
}
@media(max-width:800px){
  .app-main{padding:14px 10px 22px}.setup-grid{grid-template-columns:1fr}.setup-actions{justify-content:stretch}.primary-btn{width:100%}.viewer-project-head{align-items:flex-start}.viewer-layout{gap:10px}.board-panel,.notation-panel{border-radius:10px}.board-panel{padding:10px}.notation-panel{padding:12px}.form-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .app-header{min-height:64px;padding:8px 9px;gap:7px}.app-logo{width:42px;height:42px}.app-brand{gap:7px}.app-brand-copy strong{font-size:16px;letter-spacing:-.03em}.app-brand-copy span{font-size:10px}.header-btn{min-width:38px;min-height:38px;padding:0 8px}.header-btn-text{display:none}.header-glyph{font-size:21px}.app-actions{gap:5px}
  .app-main{padding:10px 6px 18px}.setup-intro{margin:2px 6px 12px}.setup-intro h1{font-size:30px}.setup-intro p{font-size:14px}.setup-card{padding:14px;border-radius:13px}.form-grid{grid-template-columns:1fr}.upload-box{min-height:104px;padding:13px}.viewer-project-head{margin:0 0 8px;padding:9px 10px;border-radius:9px}.viewer-project-head h1{font-size:17px}.viewer-project-head p{font-size:11px}.new-pgn-btn{padding:7px 8px;font-size:12px}.board-panel{padding:8px}.game-head{font-size:14px}.board-resize-shell{min-width:220px;min-height:220px}.controls{gap:3px}.notation-panel{min-height:420px;max-height:620px}.moves{font-size:15px}.engine-head{gap:5px}.engine-head strong{font-size:12px}.engine-head button{font-size:11px;padding:5px 7px}
}

/* v1.1 unified Benko Chess tool styling */
:root{--tool-border:#d7b06e;--tool-border-soft:#e0c392;--tool-bg:#f3e5d0;--tool-paper:#fffaf1;--tool-brown:#4f3825}
body{background:linear-gradient(180deg,#f5ead9,#f1e1c9 70%,#f5ead9);}
.app{min-height:100vh;margin:10px;border:1px solid var(--tool-border);border-radius:18px;background:linear-gradient(180deg,#f7ead7,#f1dfc6);box-shadow:0 12px 26px rgba(76,51,29,.09);overflow:hidden}
.app-header{position:sticky;top:0;z-index:50;min-height:58px;margin:0;background:linear-gradient(180deg,#fffaf0,#f6e8cf);color:var(--tool-brown);border:0;border-bottom:1px solid #d99a23;box-shadow:0 3px 10px rgba(87,58,30,.08);padding:7px 12px}
.app-brand{gap:9px}
.app-logo-wrap{width:38px;height:38px;display:grid;place-items:center;flex:0 0 38px}
.app-logo{width:38px;height:38px}
.app-brand>strong{font-size:20px;line-height:1;font-weight:900;color:#15376b;white-space:nowrap;letter-spacing:-.015em}
.app-actions{gap:8px}
.header-btn{min-height:36px;border:1px solid #d7c2a1;background:#fffdf8;color:#4f3825;border-radius:10px;padding:0 13px;font-weight:850;box-shadow:0 1px 0 rgba(255,255,255,.85) inset}
.header-btn:hover{background:#fff4dd;border-color:#c99a51}
.header-btn.viewer-only{min-width:112px}
.header-btn.fullscreen-btn{gap:9px}
.header-glyph{font-size:19px;color:#6d4e31}
.app-main{padding:12px 10px 18px}
.setup-screen{max-width:1460px}
.setup-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
.setup-card{background:rgba(255,250,241,.94);border-color:var(--tool-border-soft);border-radius:14px;padding:17px;box-shadow:0 6px 16px rgba(76,51,29,.06)}
.card-heading{margin-bottom:12px}.step-badge{background:#f3cf80;color:#4f3825}.card-heading h2{color:#523b29}
.upload-box{min-height:106px;background:#fffdf8;border-color:#d4b987}.upload-box:hover{background:#fff6e7;border-color:#c89543}.upload-icon{background:#173d70;box-shadow:inset 0 -3px 0 rgba(217,154,35,.75)}
.field-stack input,.field-stack select{background:#fffdf9;border-color:#d6c2a3;color:#3d342d}.field-stack input:focus,.field-stack select:focus{border-color:#c6923e;box-shadow:0 0 0 3px rgba(217,154,35,.12)}
.switch-row{background:#fff7e9;border-color:#dcc59f}.switch-row b{color:#173d70}.switch-row input:checked{background:#1d5c96}
.fixed-settings{background:#f4eadb;color:#665544}
.setup-actions{margin-top:12px}.primary-btn{min-width:240px;border-color:#c88e29;background:linear-gradient(90deg,#e9af32,#f3d584);color:#3d2b18;border-radius:10px}
.viewer-screen{max-width:1495px}
.viewer-layout{gap:12px}
.board-panel,.notation-panel{background:#fffaf2;border-color:var(--tool-border-soft);border-radius:13px;box-shadow:0 8px 20px rgba(76,51,29,.07)}
.notation-panel{background:#fffdf8}
body.pgn-fullscreen-active .app{margin:0;border:0;border-radius:0;box-shadow:none}
body.pgn-fullscreen-active .app-header{border-radius:0}
@media(max-width:900px){.app{margin:7px;border-radius:14px}.app-main{padding:9px 7px 15px}.setup-grid{grid-template-columns:1fr}.app-brand>strong{font-size:17px}.header-btn.viewer-only{min-width:92px;padding:0 9px}}
@media(max-width:560px){.app{margin:0;border-left:0;border-right:0;border-radius:0}.app-header{min-height:54px;padding:6px 8px}.app-logo-wrap,.app-logo{width:34px;height:34px}.app-logo-wrap{flex-basis:34px}.app-brand>strong{font-size:15px}.header-btn{min-width:36px;min-height:36px;padding:0 8px}.header-btn.viewer-only{min-width:auto;font-size:12px}.fullscreen-btn .header-btn-text{display:none}.setup-card{padding:13px}.setup-actions{justify-content:stretch}.primary-btn{width:100%}}


/* v1.6 embedded viewer sizing: board panel defines desktop height, notation scrolls only when needed */
html{background:linear-gradient(180deg,#f5ead9,#f1e1c9 70%,#f5ead9)}
body.pgn-embedded{overflow:visible;min-height:0;background:linear-gradient(180deg,#f5ead9,#f1e1c9 70%,#f5ead9)}
body.pgn-embedded .app{min-height:0;background:linear-gradient(180deg,#f7ead7,#f1dfc6)}

/* Desktop: notation panel follows the board panel height. Only the moves area scrolls. */
@media(min-width:1051px){
  body.pgn-embedded .notation-panel{
    height:var(--viewer-panel-height)!important;
    min-height:0!important;
    max-height:none!important;
    overflow:hidden!important;
  }
  body.pgn-embedded .moves{
    flex:1 1 auto;
    min-height:0;
    overflow-y:auto!important;
    overflow-x:hidden!important;
    padding-right:7px;
    scrollbar-width:thin;
    overscroll-behavior:contain;
  }
}

/* Stacked layouts keep a comfortable fixed notation viewport and scroll only long notation. */
@media(max-width:1050px){
  body.pgn-embedded .notation-panel{
    height:clamp(390px,58vh,650px)!important;
    min-height:390px!important;
    max-height:650px!important;
    overflow:hidden!important;
  }
  body.pgn-embedded .moves{
    flex:1 1 auto;
    min-height:0;
    overflow-y:auto!important;
    overflow-x:hidden!important;
    padding-right:7px;
    scrollbar-width:thin;
    overscroll-behavior:contain;
  }
}
@media(max-width:560px){
  body.pgn-embedded .notation-panel{
    height:clamp(400px,60vh,560px)!important;
    min-height:400px!important;
    max-height:560px!important;
  }
}


/* v1.6 Stockfish panel aligned with Benko Chess Program */
.engine-panel{border:1px solid #e1cfb1;background:linear-gradient(180deg,#fffdf7,#fff7e8);border-radius:12px;margin:0 0 10px;overflow:hidden;box-shadow:0 6px 16px rgba(74,44,24,.05)}
.engine-head{min-height:46px;display:flex;align-items:center;gap:9px;padding:7px 9px 7px 12px;color:#4f3825}
.engine-head strong{font-size:14px;color:#5b3f27}
.engine-depth{font-size:12px;color:var(--muted);margin-left:auto!important;margin-right:0!important;white-space:nowrap}
.engine-toggle-btn{width:52px;height:38px;padding:0;display:inline-grid;place-items:center;border:1px solid #d7c2a1;background:#fffdf8;color:#5b3f27;border-radius:10px;font-size:18px;line-height:1;font-weight:800;flex:0 0 auto}
.engine-toggle-btn:hover{background:#fff4dd;border-color:#c99a51}
.engine-toggle-btn[aria-pressed="true"]{background:#f7e7c7;border-color:#c99a51}
.engine-lines{border-top:1px solid #e1cfb1;padding:7px 10px;background:#fffdf9}
@media(max-width:560px){.engine-head{gap:6px;padding-left:9px}.engine-head strong{font-size:12px}.engine-toggle-btn{width:44px;height:36px;font-size:16px}}

/* Keep the embedded page tall enough for the full board card and its controls. */
body.pgn-embedded .app-main,body.pgn-embedded .viewer-screen,body.pgn-embedded .viewer-layout{overflow:visible}


/* v1.7: embedded height is measured from real content; no child-page clipping. */
body.pgn-embedded{overflow:visible!important}
body.pgn-embedded #app,body.pgn-embedded .app-main,body.pgn-embedded .viewer-screen,body.pgn-embedded .viewer-layout,body.pgn-embedded .board-panel{overflow:visible!important}
/* Keep engine status immediately to the left of the analysis toggle, like Benko Chess Program. */
.engine-head>.engine-depth{margin-left:auto!important;margin-right:0!important}


/* ===== BC UNIFIED UNIFIED BC APP SHELL =====
   One outer template shell; original PGN content/layout stays intact. */
.app-header{display:none!important}
.app{
  margin:0!important;
  border:0!important;
  border-radius:0!important;
  box-shadow:none!important;
  background:transparent!important;
}
body.pgn-embedded .app{background:transparent!important}