:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#29372f;background:#f6f5f1;font-synthesis:none;font-size:14px}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column}.app-header{height:78px;padding:0 34px;display:flex;align-items:center;justify-content:space-between;background:#fcfbf8;border-bottom:1px solid #dddfd7}.brand{display:flex;align-items:center;gap:13px}.brand-icon{display:grid;place-items:center;width:38px;height:40px;border-radius:10px;background:#304b40;color:#faf8ef;font-family:Georgia,serif;font-size:32px;padding-bottom:3px}h1{font-size:19px;letter-spacing:-.6px;font-weight:650;margin:0}h1 span{font-weight:450}.version{font-size:11px;letter-spacing:.6px;border:1px solid #dadfd6;padding:5px 9px;border-radius:5px;color:#657268}.workspace{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);flex:1;min-height:calc(100vh - 119px)}.pdf-panel{background:#eeeee8;border-right:1px solid #d9ddd3;display:flex;flex-direction:column;min-width:0}.chess-panel{min-width:0;background:#f8f8f4}.panel-heading{height:61px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 28px;border-bottom:1px solid #dddfd7}h2{font-size:13px;font-weight:600;margin:0;letter-spacing:.1px}.panel-meta{font-size:11px;color:#778076}.document-space{padding:32px 44px;flex:1;display:flex;justify-content:center;align-items:center}.page-placeholder{width:100%;max-width:610px;min-height:480px;aspect-ratio:1/1.26;background:#fafaf7;border:1px solid #dfe1d9;box-shadow:0 3px 10px #34433106;display:grid;place-items:center}.empty-state{text-align:center;padding:28px 16px;color:#788177}.document-icon{width:39px;height:47px;stroke:#9ba697;stroke-width:1.4;margin-bottom:19px}.empty-state h3{font-family:Georgia,'Times New Roman',serif;font-size:22px;font-weight:400;letter-spacing:-.25px;margin:0 0 12px;color:#566351}.empty-state p{font-size:13px;line-height:1.8;margin:0}.coming-label{display:inline-block;margin-top:26px;font-size:10px;letter-spacing:.4px;color:#8b9387}.board-area{padding:43px 27px 30px;max-width:610px;margin:0 auto}.board-frame{display:grid;grid-template-columns:20px minmax(0,1fr);grid-template-rows:auto 24px;gap:5px}.board{display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1;width:100%;border:1px solid #819074;box-shadow:0 4px 12px #223d2010;overflow:hidden}.square{display:grid;place-items:center;aspect-ratio:1;min-width:0}.light{background:#e9eddf}.dark{background:#879e75}.piece{width:89%;height:89%;filter:drop-shadow(0 1px 1px #0002)}.piece g{stroke-width:1.45}.piece.white g{fill:#fffdf5;stroke:#35402f}.piece.black g{fill:#29372e;stroke:#17231c}.piece .detail{fill:none}.piece.black .detail{stroke:#bac6ad;stroke-width:1.1}.ranks{display:grid;grid-template-rows:repeat(8,1fr);text-align:center}.ranks span{display:grid;place-items:center}.files{grid-column:2;display:grid;grid-template-columns:repeat(8,1fr);text-align:center;align-items:center}.ranks,.files{color:#77816f;font-size:11px}.board-caption{display:flex;align-items:center;justify-content:center;gap:7px;color:#66735e;font-size:11px;margin:20px 0 0 25px}.white-marker{width:9px;height:9px;background:#fffdf5;border:1px solid #a4ae9a;border-radius:50%}.board-version{text-align:center;font-size:10px;color:#90988a;letter-spacing:.3px;margin:26px 0 0 25px}.app-footer{height:41px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-top:1px solid #dddfd7;font-size:10px;color:#85907e;gap:12px;background:#fcfbf8}.app-footer>span:last-child{display:flex;align-items:center;gap:8px}.status-dot{width:5px;height:5px;border-radius:50%;background:#91a282}@media(min-width:1600px){.document-space{padding:42px 60px}.board-area{padding-top:60px}}@media(max-width:900px){.panel-heading{padding:0 18px}.panel-meta{font-size:10px}.document-space{padding:24px}.board-area{padding:32px 15px}.empty-state h3{font-size:20px}}@media(max-width:700px){.app-header{height:67px;padding:0 20px}h1{font-size:17px}.workspace{grid-template-columns:1fr;min-height:0}.pdf-panel{border-right:0;border-bottom:1px solid #d9ddd3}.page-placeholder{min-height:270px;aspect-ratio:auto}.document-space{padding:22px}.board-area{width:100%;max-width:480px;padding:27px 23px 33px}.app-footer{padding:0 18px;font-size:9px}.panel-heading{height:53px}.empty-state{padding:25px 12px}.document-icon{margin-bottom:12px;width:30px;height:36px}.coming-label{margin-top:17px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
/* v0.02: bounded document viewport; board styles remain unchanged. */
body{height:100vh;height:100dvh;overflow:hidden}.app-header,.app-footer{flex-shrink:0}.workspace{min-height:0;overflow:hidden}.pdf-panel,.chess-panel{min-height:0}.chess-panel{overflow:auto}.pdf-toolbar{display:flex;align-items:center;gap:12px;padding:12px 22px;flex-wrap:wrap;border-bottom:1px solid #dddfd7;background:#f6f6f0;flex-shrink:0}.pdf-toolbar button{font:inherit;font-size:13px;min-width:32px;height:32px;border:1px solid #d6dcd0;border-radius:5px;background:#fcfcf8;color:#344c3c;cursor:pointer}.pdf-toolbar button:hover:not(:disabled){background:#e4ebdf}.pdf-toolbar button:disabled{opacity:.4;cursor:default}.pdf-toolbar .open-pdf{background:#304b40;color:#fff;border-color:#304b40;padding:0 13px}.pdf-toolbar .open-pdf:hover:not(:disabled){background:#415f50}.control-group{display:flex;align-items:center;gap:7px}.zoom-label{width:42px;text-align:center;font-size:11px;font-variant-numeric:tabular-nums}.page-label{min-width:95px;text-align:center;font-size:11px;font-variant-numeric:tabular-nums}.file-name{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:65%}.pdf-scroll{flex:1;min-height:0;min-width:0;overflow:auto;padding:24px;overscroll-behavior:contain;position:relative;outline-offset:-3px}.pdf-scroll .document-space{padding:0;min-height:100%;}.pdf-scroll .page-placeholder{min-height:400px}.pdf-page{position:relative;flex-shrink:0;margin:0 auto;background:#fff;box-shadow:0 3px 12px #34433114}.pdf-page canvas{display:block}.pdf-feedback{padding:10px 22px;background:#faf0e8;color:#864b2b;font-size:12px;line-height:1.5;border-bottom:1px solid #e3cdbd;flex-shrink:0}.pdf-feedback[hidden]{display:none}.pdf-status{padding:8px 22px;font-size:10px;color:#788471;border-top:1px solid #dddfd7;flex-shrink:0}.pdf-toolbar button:focus-visible,.pdf-scroll:focus-visible{outline:2px solid #456a50;outline-offset:2px}@media(max-width:1100px){.pdf-toolbar{gap:8px;padding:10px 16px}}@media(max-width:700px){body{height:auto;overflow:auto}.workspace{overflow:visible}.pdf-panel{height:72vh;min-height:450px}.pdf-scroll{padding:16px}.pdf-scroll .page-placeholder{min-height:260px}.pdf-toolbar{gap:8px}.chess-panel{overflow:visible}.pdf-scroll .document-space{align-items:flex-start}.pdf-toolbar button{min-height:36px}.app-footer{min-height:41px}}
/* v0.03: board interaction, independent of the document reader. */
.interactive-board{touch-action:none;user-select:none;-webkit-user-select:none}.interactive-board .square{border:0;border-radius:0;margin:0;padding:0;position:relative;cursor:pointer;font:inherit;overflow:hidden}.interactive-board .piece{pointer-events:none;position:relative;z-index:2}.square.last-move{box-shadow:inset 0 0 0 100px #d5c55445}.square.selected{box-shadow:inset 0 0 0 3px #526c3a,inset 0 0 0 100px #d6d45f66}.square.legal-target:after{content:'';position:absolute;width:23%;height:23%;border-radius:50%;background:#29483255;z-index:3;pointer-events:none}.square.legal-capture:after{content:'';position:absolute;inset:5%;border:4px solid #29483266;border-radius:50%;z-index:3;pointer-events:none}.square.in-check{background-image:radial-gradient(ellipse,#cf7779 5%,transparent 75%)}.interactive-board .square:focus-visible{outline:3px solid #253f72;outline-offset:-3px;z-index:4}.black-marker{background:#29372e;border-color:#29372e}.board-actions{display:flex;justify-content:center;gap:8px;margin:18px 0 0 25px}.board-actions button,.cancel-promotion{font:inherit;font-size:11px;padding:8px 12px;border:1px solid #d6dcd0;border-radius:5px;background:#fcfcf8;color:#344c3c;cursor:pointer}.board-actions button:hover,.cancel-promotion:hover{background:#e4ebdf}.board-actions button:focus-visible,.promotion-dialog button:focus-visible{outline:2px solid #456a50;outline-offset:2px}.board-help{font-size:10px;color:#818d79;text-align:center;margin:14px 0 0 25px}.move-feedback{font-size:11px;color:#67745c;text-align:center;min-height:16px;margin:9px 0 0 25px}.board-version{margin-top:14px}.drag-piece{position:fixed;pointer-events:none;z-index:1000;transform:translate(-50%,-50%);aspect-ratio:1;display:grid;place-items:center}.drag-source .piece{opacity:.25}.promotion-dialog{border:1px solid #ccd5c4;border-radius:10px;background:#f8f8f4;color:#29372f;padding:24px;max-width:calc(100vw - 32px);box-shadow:0 12px 50px #253c2826;text-align:center}.promotion-dialog::backdrop{background:#24322555}.promotion-dialog h3{font-size:16px;font-weight:500;margin:0 0 20px}.promotion-options{display:flex;gap:8px;margin-bottom:20px}.promotion-options button{display:flex;flex-direction:column;align-items:center;background:#e9eddf;border:1px solid #bac6ae;border-radius:6px;width:62px;padding:7px;cursor:pointer;color:#344c3c;font:inherit;font-size:10px}.promotion-options .piece{width:45px;height:45px}.promotion-options button:hover{background:#d8e1cb}@media(max-width:700px){.board-actions button{min-height:40px}}
/* v0.03 interface correction: header filename and full-height page fit. */
.app-header{display:grid;grid-template-columns:minmax(max-content,1fr) minmax(0,2fr) minmax(55px,1fr);gap:28px}.app-header .brand{min-width:0}.app-header .version{justify-self:end}.header-file-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;font-size:13px;font-weight:400;color:#657268}.pdf-toolbar{padding:8px 16px;gap:10px}.pdf-scroll{display:flex;align-items:flex-start;padding:16px}.pdf-scroll>.pdf-page{margin:auto}.pdf-scroll>.document-space{flex-shrink:0;width:100%;margin:auto}.sr-only.pdf-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:700px){.app-header{grid-template-columns:max-content minmax(0,1fr) max-content;gap:12px;padding:0 14px}.header-file-name{font-size:11px}.pdf-toolbar{padding:8px 12px;gap:8px}.pdf-scroll{padding:12px}}@media(max-width:430px){.app-header{gap:8px}.brand{gap:7px}.brand-icon{width:30px;height:34px;font-size:28px}.app-header h1{font-size:14px}.app-header .version{font-size:10px;padding:4px}.header-file-name{font-size:10px}}
/* v0.04: bounded, independent game navigation and move list. */
.game-navigation{margin:14px 0 0 25px;text-align:center}.navigation-buttons{display:flex;justify-content:center;gap:7px;border-radius:5px}.navigation-buttons button{width:37px;height:31px;border:1px solid #d6dcd0;border-radius:5px;background:#fcfcf8;color:#344c3c;cursor:pointer;font:inherit;font-size:17px}.navigation-buttons button:disabled{opacity:.35;cursor:default}.navigation-buttons button:hover:not(:disabled){background:#e4ebdf}.navigation-buttons:focus-visible,.navigation-buttons button:focus-visible,.move-list button:focus-visible{outline:2px solid #456a50;outline-offset:2px}.current-move{font-size:12px;color:#52644c;margin-top:9px;min-height:17px;font-variant-numeric:tabular-nums}.game-moves{margin:12px 0 0 25px;border-top:1px solid #dce2d5;padding-top:10px}.test-game-title{font-size:10px;color:#788471;margin-bottom:8px;line-height:1.5}.move-list{position:relative;display:grid;grid-template-columns:34px 1fr 1fr;gap:2px 5px;max-height:132px;overflow:auto;overscroll-behavior:contain;padding:2px 7px 2px 0;align-items:center}.move-number{font-size:11px;color:#87917f;text-align:right;padding-right:5px;font-variant-numeric:tabular-nums}.move-list button{font:inherit;font-size:12px;border:1px solid transparent;border-radius:4px;padding:4px 8px;text-align:left;background:transparent;color:#455b3d;cursor:pointer;min-height:27px}.move-list button:hover{background:#e7ecdf}.move-list button.active-move{background:#dce7ce;border-color:#b6c9a4;color:#2d4522;font-weight:600}.game-navigation~.board-caption{margin-top:10px}.game-navigation~.board-actions{margin-top:11px}@media(max-width:700px){.navigation-buttons button{min-height:38px}.move-list{max-height:144px}.move-list button{min-height:32px}}
/* v0.05: text diagnostics stay in the right panel; PDF dimensions unchanged. */
.pdf-text-panel{margin:14px 0 0 25px;border-top:1px solid #dce2d5;padding-top:10px}.pdf-text-panel summary{cursor:pointer;color:#42563a;font-size:12px;line-height:1.5}.text-layer-status{display:block;font-size:10px;font-weight:400;color:#778471;margin-top:4px;overflow-wrap:anywhere}.pdf-text-body{padding-top:9px}.text-actions{display:flex;flex-wrap:wrap;gap:6px}.text-actions button{font:inherit;font-size:10px;padding:6px 8px;border:1px solid #d6dcd0;border-radius:4px;background:#fcfcf8;color:#344c3c;cursor:pointer}.text-actions button:disabled{opacity:.4;cursor:default}.text-actions button[aria-pressed="true"]:not(:disabled){background:#e4ebdb}.text-context{font-size:10px;color:#7b8872;margin:9px 0 5px}.extracted-text{font:11px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;color:#405038;background:#f1f3eb;border:1px solid #dfe5d7;border-radius:4px;padding:9px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;max-height:140px;min-height:48px;overflow:auto;overscroll-behavior:contain;user-select:text}.text-note{font-size:9px;color:#85917c;line-height:1.5;margin:6px 0 0}.pdf-text-panel summary:focus-visible,.text-actions button:focus-visible,.extracted-text:focus-visible{outline:2px solid #456a50;outline-offset:2px}.pdf-page .textLayer::selection,.pdf-page .textLayer ::selection{background:#658abc66}
.text-metrics{font-size:10px;color:#687b5c;line-height:1.6;margin-bottom:8px}.text-context{overflow-wrap:anywhere}

.pdf-chain-diagnostics,.first-text-items pre {font:11px/1.5 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;max-height:180px;overflow:auto;margin:8px 0;color:var(--muted,#58636b)}
.first-text-items summary {font-size:12px;cursor:pointer}

.notation-diagnostics {border-top:1px solid #d8ddd9;margin-top:12px;padding-top:10px}.notation-diagnostics h3 {font-size:13px;margin:0 0 6px}.notation-counts {font-size:12px;line-height:1.5}.notation-tokens {display:flex;flex-wrap:wrap;align-content:flex-start;gap:5px;max-height:150px;overflow:auto;font-size:12px}.notation-token {padding:3px 6px;background:#eef1ec;border-radius:4px;font-family:ui-monospace,monospace}.notation-token.moveNumber {background:transparent;color:#626b63}

.raw-notation-items {margin:8px 0;font-size:12px}.raw-notation-items summary{cursor:pointer}.raw-notation-items pre {max-height:180px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.5 ui-monospace,monospace}

.notation-mode-label{display:flex;align-items:center;gap:8px;font-size:12px;margin:8px 0}.notation-mode{font:inherit;padding:4px;border:1px solid #cbd2cb;border-radius:4px;background:white}.notation-stages{font-size:12px;margin:8px 0}.notation-stages pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:130px;overflow:auto}.notation-diagnostics h4{font-size:12px;margin:8px 0}.recognized-numbers{font-size:12px}

.reconstructed-lines,.figurine-analysis{font-size:12px;margin:8px 0}.reconstructed-lines pre,.legality-status{max-height:160px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.5 ui-monospace,monospace}.font-analysis-table{max-height:190px;overflow:auto}.font-analysis-table table{font-size:11px;border-collapse:collapse;width:100%}.font-analysis-table th,.font-analysis-table td{text-align:left;padding:5px;border-bottom:1px solid #dde2dc;overflow-wrap:anywhere}

.layout-analysis,.notation-blocks{font-size:12px;margin:8px 0}.layout-analysis pre,.notation-blocks pre{max-height:180px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.5 ui-monospace,monospace}

.sequence-summary{white-space:pre-wrap;max-height:220px;overflow:auto}.sequence-table{max-height:240px;overflow:auto;font-size:11px}.sequence-table table{border-collapse:collapse;width:100%}.sequence-table th,.sequence-table td{padding:5px;text-align:left;border-bottom:1px solid #ddd}.sequence-diagnostics{margin:10px 0}

.tokenization-diagnostics pre{white-space:pre-wrap;max-height:280px;overflow:auto;font-size:11px}
/* v0.06: compact tree navigation; document viewport and board size unchanged. */
.variant-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:5px;margin:5px 0 9px;font-size:12px}.variant-breadcrumbs[hidden],.branch-choices[hidden]{display:none}.variant-breadcrumbs button,.branch-row button{font:inherit;font-size:14px;color:#344c3c;background:#fcfcf8;border:1px solid #d6dcd0;border-radius:5px;padding:6px 8px;cursor:pointer}.variant-breadcrumbs button{font-size:12px;border-color:transparent;background:transparent;padding:4px}.variant-breadcrumbs button:hover,.branch-row button:hover{background:#e4ebdf}.variant-breadcrumbs button[aria-current]{font-weight:600}.branch-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.branch-row button[aria-pressed="true"]{background:#dce7ce;border-color:#a8bf94;font-weight:600}.branch-row button:focus-visible,.variant-breadcrumbs button:focus-visible{outline:2px solid #456a50;outline-offset:2px}.tree-diagnostics{margin:10px 0}.tree-diagnostics pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:190px;overflow:auto;font-size:11px;line-height:1.5}
/* v0.06 layout-only correction: fixed board row, independent move-list scroll. */
.chess-panel{overflow:hidden;min-height:0}
.chess-panel .board-area{display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;gap:8px;height:100%;min-height:0;max-width:none;width:100%;margin:0;padding:10px 12px 8px}
.board-top{display:grid;grid-template-columns:minmax(0,min(380px,calc(52dvh - 70px))) minmax(82px,96px);align-items:start;justify-content:start;gap:12px;min-width:0}
.board-top .board-frame{min-width:0;width:100%;grid-template-columns:16px minmax(0,1fr);grid-template-rows:auto 16px;gap:3px}
.board-top .board{aspect-ratio:1;width:100%;min-width:0}
.board-tools{display:flex;flex-direction:column;align-items:stretch;min-width:0;gap:8px}
.board-tools .game-navigation{margin:0;text-align:center}
.board-tools .navigation-buttons{display:flex;flex-direction:column;gap:4px;align-items:stretch}
.board-tools .navigation-buttons button{width:100%;height:34px;min-height:34px}
.board-tools .current-move{margin:6px 0 0;min-height:0;font-size:12px;line-height:1.35;overflow-wrap:anywhere}
.board-tools .board-caption{margin:0;font-size:11px;line-height:1.35;gap:5px;flex-wrap:wrap;text-align:center}
.board-tools .board-actions{display:flex;flex-direction:column;gap:4px;margin:0}
.board-tools .board-actions button{padding:6px 3px;min-height:30px;font-size:11px;line-height:1.3}
.board-tools .board-help{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.board-tools .move-feedback{margin:0;min-height:0;font-size:11px;line-height:1.3;overflow-wrap:anywhere}
.board-tools .move-feedback:empty{display:none}
.chess-panel .game-moves{display:flex;flex-direction:column;min-height:0;min-width:0;overflow:hidden;margin:0;padding:7px 0 0;border-top:1px solid #dce2d5}
.chess-panel .test-game-title{flex-shrink:0;margin:0 0 4px;font-size:12px}
.chess-panel .move-list{flex:1;min-height:0;max-height:none;width:100%;overflow-x:hidden;overflow-y:auto;align-content:start;grid-template-columns:36px minmax(0,1fr) minmax(0,1fr);padding:2px 4px 2px 0;gap:2px 6px;scrollbar-gutter:stable}
.chess-panel .move-list button{font-size:14px;min-height:30px;padding:5px 8px;overflow-wrap:anywhere}
.chess-panel .move-number{font-size:12px}
.chess-panel .variant-breadcrumbs{flex-shrink:0;max-height:62px;overflow:auto;margin:2px 0 5px}
.chess-panel .branch-choices{flex-shrink:0;max-height:88px;overflow:auto}
.chess-panel .branch-row{margin-bottom:5px}
.chess-panel .pdf-text-panel{min-width:0;margin:0;padding-top:6px;max-height:min(180px,24dvh);overflow:auto;overscroll-behavior:contain}
.chess-panel .pdf-text-panel>summary{position:sticky;top:0;background:#f8f8f4;z-index:1}
.chess-panel .board-version{margin:0;text-align:center;font-size:10px;line-height:1.2}
@media(max-width:700px){
 .chess-panel{height:max(650px,90dvh);overflow:hidden}
 .chess-panel .board-area{padding:10px 10px 8px;max-width:none}
 .board-top{grid-template-columns:minmax(0,380px) minmax(76px,90px);gap:8px}
 .board-tools .navigation-buttons button{height:36px;min-height:36px}
}
@media(max-height:650px) and (min-width:701px){
 .board-tools{gap:5px}.board-tools .navigation-buttons button{height:30px;min-height:30px}
 .board-tools .board-actions button{min-height:26px;padding:4px 2px}
 .chess-panel .pdf-text-panel{max-height:100px}
}
.ocr-metadata-status{font-size:12px;line-height:1.5;color:#58684e;white-space:pre-wrap;margin-bottom:6px;overflow-wrap:anywhere}.ocr-scoring-diagnostics{margin:8px 0}.ocr-scoring-diagnostics pre{font:11px/1.5 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;max-height:230px;overflow:auto}
/* Diagnostics live in a separate tab; preserve all space for the move list. */
.diagnostics-launcher{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0}
.diagnostics-launcher button{font:inherit;font-size:12px;padding:7px 11px;border:1px solid #cdd8c5;border-radius:5px;background:#fcfcf8;color:#344c3c;cursor:pointer;white-space:nowrap}
.diagnostics-launcher button:hover{background:#e4ebdf}.diagnostics-launcher button:focus-visible{outline:2px solid #456a50;outline-offset:2px}
.diagnostics-feedback{font-size:11px;color:#85613f;overflow-wrap:anywhere}
.diagnostics-launcher button:disabled{opacity:.45;cursor:default}
/* v0.07: small document actions, with the board/scrolling moves unchanged. */
.diagnostics-launcher{flex-wrap:wrap}.document-controls{flex:1 0 100%;min-width:0}
.document-analysis-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.document-progress{font-size:12px;color:#58684e}.document-games{font-size:12px;margin-top:5px}
.document-games summary{cursor:pointer}.document-games-list{display:flex;flex-direction:column;gap:4px;max-height:100px;overflow:auto;margin-top:5px}
.game-selector{border:1px solid #bcc8b5;border-radius:8px;max-width:min(480px,90vw);padding:20px;background:#f8f8f4;color:#344c3c}
.game-selector h3{margin-top:0}.game-selector>div{display:flex;flex-direction:column;gap:8px;max-height:50vh;overflow:auto;margin-bottom:12px}
.game-selector::backdrop{background:#0005}
.document-controls[hidden],.document-controls [hidden]{display:none}
/* v0.07: one existing move list alongside the loaded game's metadata. */
.chess-panel .board-area{container-type:inline-size;container-name:chess-pane}
.game-content{display:grid;grid-template-columns:minmax(0,min(42%,210px)) minmax(0,1fr);gap:10px;min-width:0;min-height:0;overflow:hidden}
.game-content .game-metadata{min-width:0;min-height:0;overflow:auto;overscroll-behavior:contain;border-top:1px solid #dce2d5;padding:7px 0 0 12px;border-left:1px solid #e3e7dd;overflow-wrap:anywhere}
.game-metadata-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);align-items:start;gap:12px;min-width:0}
.game-metadata-columns>dl{min-width:0}
.game-metadata h3{font-size:14px;font-weight:600;margin:0 0 10px;color:#455b3d}
.game-metadata dl{margin:0 0 14px;font-size:14px;line-height:1.45}
.game-metadata dt{color:#788471;font-size:12px}.game-metadata dd{margin:0;color:#344c3c}
.game-players dd{font-weight:600;margin-bottom:10px}.game-facts{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:6px 8px}
.chess-panel .game-content .move-list{grid-template-columns:24px minmax(0,1fr) minmax(0,1fr);gap:2px}
.chess-panel .game-content .move-list button{padding:5px 3px}
@container chess-pane (max-width:360px){
 .game-content{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(100px,2fr) minmax(70px,1fr);gap:8px}
 .game-content .game-metadata{border-left:0;padding-left:0}
}
.mainline-resolution pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:420px;overflow:auto;font:12px/1.5 ui-monospace,monospace}
/* Resizable desktop split; keep existing single-column mobile layout. */
@media(min-width:701px){.workspace{grid-template-columns:minmax(0,calc(var(--pdf-ratio,60%) - 4px)) 8px minmax(0,1fr)}}
.workspace-divider{background:#dce2d5;cursor:col-resize;touch-action:none;min-height:0;outline-offset:-2px}.workspace-divider:hover,.workspace-divider:focus-visible{background:#9aaa8f}.resizing,.resizing *{user-select:none!important;cursor:col-resize!important}
@media(max-width:700px){.workspace-divider{display:none}}
.pagination{position:relative}.page-jump{position:absolute;z-index:10;top:calc(100% + 6px);right:0;background:#fcfcf8;border:1px solid #b9c8ae;box-shadow:0 4px 12px #0002;padding:10px;border-radius:6px;display:flex;gap:6px;align-items:center;flex-wrap:wrap;width:230px}.page-jump[hidden]{display:none}.page-jump input{width:70px;font:inherit;padding:5px;border:1px solid #bbc9b0;border-radius:4px}.page-jump-error{font-size:12px;color:#8a402d;flex-basis:100%}
/* Engine lives beside the existing controls; it never owns board state. */
.board-control-zone{display:flex;gap:10px;min-width:0;align-items:flex-start}.board-control-zone>.board-tools{flex:0 0 86px;width:86px}.board-top{grid-template-columns:minmax(0,min(380px,calc(52dvh - 70px))) minmax(86px,1fr)}
.engine-controls{display:grid;gap:5px;font-size:10px}.engine-controls label{display:grid;gap:3px}.engine-controls select,.engine-controls input{font:inherit;color:inherit;background:#fcfcf8;border:1px solid #cfd8c7;border-radius:4px;min-width:0;width:100%;padding:5px 2px}.engine-settings summary{cursor:pointer;font-size:10px}.engine-settings label{margin-top:5px}.engine-settings a{display:block;margin-top:6px;color:#48623f;font-size:9px}
.engine-results{min-width:0;flex:1;font-size:11px;max-height:min(330px,45dvh);overflow:auto;overscroll-behavior:contain;border-left:1px solid #d8dfd1;padding-left:8px;scrollbar-gutter:stable}.engine-results[hidden]{display:none}.engine-name{font-size:11px}.engine-status{font-size:10px;margin:5px 0;color:#67795d}.engine-line{padding:6px 0;border-top:1px solid #e0e5da}.engine-depth{margin-left:7px;font-size:10px;color:#6f7b68}.engine-line p{font-size:11px;line-height:1.5;margin:3px 0;overflow-wrap:anywhere}.engine-results small{font-size:9px;color:#71816a}
@container chess-pane (max-width:630px){.board-control-zone{flex-direction:column}.board-control-zone>.board-tools{flex:auto;width:100%}.engine-results{width:100%;max-height:155px;border-left:0;border-top:1px solid #d8dfd1;padding:6px 0 0}.board-top{grid-template-columns:minmax(0,1fr) minmax(86px,24%)} }
@container chess-pane (min-width:631px){.has-engine .board-top{grid-template-columns:minmax(0,min(360px,calc(50dvh - 70px))) minmax(240px,1fr)}}

/* PDF interaction uses page-local coordinates, never window-fixed hit areas. */
.pdf-page {position:relative}
.pdf-interaction-overlay {position:absolute;inset:0;pointer-events:none;z-index:3}
.pdf-hit-target {position:absolute;min-width:0;min-height:0;padding:0;border:0;border-radius:2px;background:transparent;pointer-events:auto;cursor:pointer;box-shadow:none}
.pdf-hit-target:hover,.pdf-hit-target:focus-visible {background:rgba(74,113,89,.16);outline:1px solid rgba(54,98,65,.65);outline-offset:0}
.pdf-hit-target.selected {background:rgba(215,171,68,.25);outline:1px solid rgba(144,112,44,.65)}
.pdf-diagram-target:hover,.pdf-diagram-target.selected {background:rgba(74,113,89,.04);outline:2px solid rgba(54,98,65,.7)}
.pdf-interaction-status {font-size:11px;color:var(--muted,#69746b);padding:0 10px;flex:none;line-height:1.5}
.pdf-interaction-status:empty {display:none}
.pdf-toolbar {flex-wrap:wrap}
.diagram-choice {max-width:min(440px,90vw);border:1px solid #cad2ca;border-radius:10px;padding:20px;background:#f8faf7;color:#283b30}
.diagram-choice::backdrop {background:#15271f55}
.diagram-choice form {display:grid;gap:10px;margin:14px 0}
.diagram-choice label {display:flex;align-items:center;justify-content:space-between;gap:15px}
.diagram-choice button {margin:3px;padding:6px 10px}
.diagram-choice select {padding:6px;max-width:65%}
.engine-pv-move {background:transparent;border:0;min-width:0;min-height:0;padding:1px 2px;font:inherit;color:inherit;cursor:pointer}
.engine-pv-move:hover,.engine-pv-move:focus-visible {background:#dbe7dc;outline:1px solid #a6baa8}
.pdf-interaction-status {height:18px;min-height:18px;line-height:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.position-source {display:block;font-size:10px;line-height:1.4;color:#67795d;margin:3px 0;overflow-wrap:anywhere}
.position-source[hidden] {display:none}

.pdf-source-highlight {position:absolute;pointer-events:none;z-index:4;background:rgba(215,171,68,.25);outline:2px solid rgba(144,112,44,.8);border-radius:2px}

/* v0.09: moves read through OCR repair */
.move-list button.move-repaired{text-decoration:underline dotted;text-underline-offset:3px}
.move-list button.move-inferred{text-decoration:underline wavy;text-underline-offset:3px;font-style:italic}