/* Standalone workspace: layout only; game state stays in app.js. */
:root{--ink:#213d39;--muted:#607b75;--paper:#fff;--edge:#d3dfd9;--accent:#245f57}
body,body.editing-mode{margin:0;background:#edf1ee;color:var(--ink);font:14px/1.55 'Segoe UI','Meiryo',sans-serif}
body main,body.editing-mode main{max-width:1500px;margin:0 auto;padding:20px 28px 12px;background:transparent}
button,select,input{font:inherit}button,select{min-height:40px;border-radius:7px}button{transition:background .12s,transform .08s}button:disabled{cursor:not-allowed}button:focus-visible{outline:3px solid #d49432;outline-offset:2px}
.app-header{display:grid;grid-template-columns:1fr minmax(0,1fr) auto;align-items:center;gap:20px;text-align:left;margin:0 0 22px;padding-bottom:17px;border-bottom:1px solid var(--edge)}
.brand{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:700;white-space:nowrap}.brand small{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.04em}.brand-mark{display:flex;align-items:center;gap:1px;color:#183c36;background:#dfebe4;border-radius:12px;width:54px;height:48px;justify-content:center;font-size:23px}.brand-mark i{font-style:normal;color:#527b6b;font-size:25px}
.game-title{font-size:15px;margin:0;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{display:flex;gap:8px}.header-actions button{padding:8px 16px}#workspace-open{background:var(--accent);color:white;border-color:var(--accent)}
.studio-grid{display:grid;grid-template-columns:minmax(410px,1.35fr) minmax(340px,1fr);gap:24px;align-items:start;max-width:none}
body .board-panel,body.editing-mode .board-panel{background:transparent;border:0;padding:0;min-width:0}.board-block,body.editing-mode .board-block{background:#fff;border:1px solid var(--edge);border-radius:12px;padding:14px;margin-bottom:14px}.topline{gap:10px;margin:0 0 12px}.topline label{font-size:12px}.topline select{font-size:13px;padding:6px}.mode-indicator{font-size:11px;color:#527469;display:none}.modes{margin-left:auto}.topline .modes button{width:4.5em;min-height:38px}.editing-mode .board-block{box-shadow:none}.editing-mode .modes #edit{background:#fff0b9;color:#654d11;border-color:#cbb16e}
body .canvas-wrap,body.editing-mode .canvas-wrap{width:100%!important;max-width:min(100%,640px,max(320px,calc(100vh - 490px)));min-width:280px;background:whitesmoke}.players{font-size:14px;margin:10px 8px 4px}.statusline{margin:6px 8px 0;font-size:12px}.statusline #move{font-size:12px}.statusline>span:first-child,.statusline strong{background:#edf3ed;padding:4px 7px}.board-block #comment-area{max-height:180px;overflow:auto;font-size:13px}.board-block #comment-area:not([hidden]){padding-top:12px;margin-top:12px}
body .controls,body.editing-mode .controls{border-radius:12px;background:#285a53;border:1px solid #285a53;padding:12px;color:white}.navigation{gap:6px;align-items:center;flex-wrap:nowrap}.navigation button{min-height:42px;font-size:18px}.controls .autoplay button,.autoplay select{height:40px;min-height:40px}.controls .actions button,.controls .edit-buttons button,.position-settings button{min-height:38px}.controls .actions{margin-top:10px;gap:8px}.position-settings{gap:8px;flex-wrap:wrap}.controls .jump{margin-left:auto}.edit-buttons{gap:7px;display:flex;flex-wrap:wrap}.edit-buttons>button:last-child{margin-left:auto}.slider-label{margin-top:6px}#slider{height:30px}
body .inspector,body.editing-mode .inspector{margin:0;border:1px solid var(--edge);border-radius:12px;padding:0;background:white;min-width:0;position:sticky;top:18px;overflow:visible}.workspace-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:8px;gap:4px;border-bottom:1px solid var(--edge);background:#f6f8f5;border-radius:12px 12px 0 0}.workspace-tabs button{border:0;background:transparent;font-size:14px;padding:8px 3px;color:#5a746b}.workspace-tabs button[aria-selected=true]{background:#245f57;color:white;box-shadow:0 2px 4px #254f5220}.inspector-pane{padding:20px;min-height:360px;max-height:calc(100vh - 190px);overflow:auto;overscroll-behavior:contain}.inspector-pane h2{font-size:14px;margin:0 0 16px;font-weight:700}.sequence-empty{text-align:center;padding:75px 16px;color:#61776d}.sequence-empty span{font-size:30px;letter-spacing:8px;color:#9daf9f}.sequence-empty h2{margin:18px 0 8px;color:#365b4d}.sequence-empty p{font-size:13px;max-width:270px;margin:auto;line-height:1.9}.variation-actions{display:flex;gap:6px;flex-wrap:wrap}.variation-actions button{font-size:12px;min-height:40px}.variation-label-row .line-title{min-height:36px}#tree-block{border:0;margin:0;padding:0}
.inspector #tools{margin:0;padding:0;border:0}.inspector .tool-popup{position:static!important;transform:none!important;width:100%!important;max-width:none;max-height:none!important;overflow:visible;border:0;box-shadow:none;background:transparent;padding:0;color:var(--ink)}.tool-table{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:10px 0}.tool-table button{width:100%;height:40px;min-height:40px;font-size:13px}.tool-edit-group{margin-top:22px;padding-top:14px;border-top:1px solid var(--edge);display:flex;flex-wrap:wrap;gap:8px}.inspector .clear-board{margin-top:20px;color:#a03d31;background:#fff5ef}.inspector .close-tools{float:none;margin-bottom:8px;background:#f0f5f1}.inspector .editor-fields{margin-top:16px}.inspector .info-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.info-grid input{max-width:100%;min-width:0}
body .files-panel,body.editing-mode .files-panel{background:transparent;margin:0;padding:0;border:0}.file-buttons{display:block}#load-menu{display:block;width:100%}#load-menu>summary,#save-menu>summary{display:block;min-height:44px;font-size:14px;background:#edf5ef;padding:10px;border-radius:6px;border:1px solid #b9d0c4}#load-options,#save-options{position:static!important;max-height:none!important;box-shadow:none;bottom:auto!important;padding:12px 0;background:transparent;border:0;max-width:100%;width:100%;margin:0}#load-options{gap:8px}.file-menu>summary::after{content:' ▾'}#sgf{min-height:240px;font-size:13px;line-height:1.65;margin-top:14px;resize:vertical;background:#fafcf9}.text-actions{gap:6px;flex-wrap:wrap}.text-actions button{flex:1 1 100px;min-height:42px;font-size:12px}.record-save-row{display:flex;flex-wrap:wrap;gap:8px}.record-save-row button{flex:1 1 130px;font-size:12px;min-height:42px}.image-save-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.image-save-row button{min-height:42px}.image-save-row #print{margin-left:auto}.gif-options{max-width:100%;flex-wrap:wrap}#gif-preview{max-width:100%}#recovery{margin-top:22px;padding-top:20px;border-top:1px solid var(--edge)}#recovery>summary{font-size:13px;min-height:42px}.help{margin:22px 0 0;padding:14px 4px;border-top:1px solid var(--edge)}.help summary{font-weight:600;color:#466653}.help ul{columns:2;column-gap:40px;line-height:1.9}.help li{break-inside:avoid;margin-bottom:8px}footer{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:5px;color:#5c776d}.release-label{margin-right:auto}
@media(min-width:1400px){.studio-grid{grid-template-columns:minmax(500px,1.45fr) minmax(420px,1fr)}.inspector-pane{padding:24px}}
@media(max-width:1100px){body main,body.editing-mode main{padding:16px}.studio-grid{gap:16px;grid-template-columns:minmax(390px,1.1fr) minmax(330px,1fr)}.brand small{display:none}.brand{font-size:16px}.brand-mark{width:40px;height:40px;font-size:20px}.app-header{gap:12px}.header-actions button{padding:6px 10px;font-size:13px}.inspector-pane{padding:14px}.topline{gap:6px}.topline .modes button{width:4em}}
@media(max-width:899px){.studio-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;max-width:700px;margin:auto}.app-header{grid-template-columns:1fr auto;max-width:700px;margin:0 auto 16px}.game-title{grid-row:2;grid-column:1/-1;text-align:left;font-size:14px}.brand small{display:block}.inspector{position:static!important}.inspector-pane{max-height:none;min-height:260px;overflow:visible;padding:18px}.canvas-wrap{max-width:min(100%,580px)!important}.help,footer{max-width:700px;margin-left:auto;margin-right:auto}.help ul{columns:1}.workspace-tabs{position:sticky;top:0;z-index:5}.navigation button{min-height:44px}.controls .actions button,.controls .edit-buttons button,.position-settings button{min-height:44px}.tool-table button{height:44px;min-height:44px}.topline select,.topline .modes button{min-height:44px}.sequence-empty{padding:30px 10px}}
@media(max-width:520px){body main,body.editing-mode main{padding:10px 8px}.app-header{padding-bottom:12px;gap:9px;margin-bottom:12px}.brand{font-size:15px;gap:8px}.brand small{display:none}.brand-mark{width:32px;height:36px;font-size:17px;border-radius:8px}.brand-mark i{font-size:19px}.header-actions{gap:5px}.header-actions button{padding:5px 8px;min-height:42px;font-size:12px}.board-block{padding:9px;border-radius:9px;margin-bottom:10px}.topline{gap:7px;flex-wrap:wrap}.topline label{font-size:11px}.topline select{padding:3px;font-size:12px}.topline .modes button{width:3.5em;min-width:3.5em;font-size:12px}.canvas-wrap{min-width:0!important}.players{font-size:12px;gap:.65em;margin:9px 0 3px}.statusline{margin:5px 0 0;gap:3px;font-size:11px}.statusline #move{font-size:11px}.statusline>span:first-child,.statusline strong{padding:3px}.controls{padding:9px!important}.navigation{gap:4px;flex-wrap:wrap}.navigation>button{flex:1!important;min-width:0!important;padding:4px 0}.navigation>.autoplay{margin:5px 0 0 auto}.controls .autoplay button,.autoplay select{height:42px;min-height:42px}.controls .actions{gap:6px}.controls .actions button{font-size:12px}.controls .recent-label{font-size:11px}.position-settings{margin-top:8px}.position-settings .jump{width:100%;justify-content:flex-end;margin-top:6px;font-size:12px}.edit-buttons{gap:5px}.edit-buttons button{font-size:12px;padding:5px 8px}.workspace-tabs button{min-height:44px}.inspector-pane{padding:14px}.tool-table{gap:8px}.tool-table button{font-size:12px}.record-save-row button{flex-basis:100%}.release-label{width:100%;margin:0}.help{font-size:13px}.help ul{font-size:12px}#sgf{min-height:200px}}

.inspector .tool-table button{white-space:normal;text-align:left}.inspector .tool-description{font-size:10px;line-height:1.3}.inspector .tool-heading{display:none}.inspector .image-save-row{flex-wrap:wrap}.inspector .tool-popup .info-grid{display:grid}.inspector .tool-popup .close-tools{position:static;float:none}.inspector .tool-table{padding-top:12px}
@media(max-width:520px){.controls .actions{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}.actions>.autoplay{grid-column:span 2;margin:0}.actions #numbers{grid-column:span 2;padding:5px 2px}.actions .recent-label{grid-column:span 2;white-space:nowrap}.actions #pass{grid-column:5;margin:0;padding:4px 2px}.actions #delete-move{grid-column:6;padding:4px 2px}.inspector .tool-description{display:none}.inspector .tool-table button{font-size:13px;white-space:nowrap}}
@media(min-width:900px){.board-panel .board-block .canvas-wrap{max-width:min(100%,640px,max(320px,calc(100vh - 490px)))}}

/* Direct header actions: one popup, outside the scrolling inspector. */
.header-actions{position:relative}.header-actions .save-popup{position:absolute;right:0;top:calc(100% + 8px);z-index:60;width:290px;max-width:calc(100vw - 24px);box-sizing:border-box;padding:6px;background:#fff;border:1px solid #9fbab0;border-radius:9px;box-shadow:0 8px 24px #163c392b;text-align:left}
.header-actions .save-popup[hidden]{display:none}.header-actions .save-popup button{display:block;width:100%;text-align:left;min-height:46px;margin:0;padding:10px 12px;background:white;color:#173e37;border:0;white-space:normal}
.header-actions .save-popup button:hover,.header-actions .save-popup button:focus-visible{background:#e7f3ed}.header-actions .save-popup button small{display:block;font-size:11px;line-height:1.5;color:#4e6c60;margin-top:4px;font-weight:400}
#workspace-save[aria-expanded="true"]{background:#e7f3ed;border-color:#729b8a}#quick-more{border-top:1px solid #d6e2dc;margin-top:3px}
#pane-storage h3{font-size:13px;margin:16px 0 8px;color:#315c50}#pane-storage #save-options{padding-top:0}#pane-storage #save[hidden],#pane-storage #print[hidden]{display:none}