:root{--room-image:url('../assets/ink-room.png')}
.material-tile{display:none}
.mini-outline{display:none;fill:none;pointer-events:none}
:root:not([data-theme="plain"]) body::before{background-image:var(--room-image)}
:root:not([data-theme="plain"]) dialog{background-image:var(--room-image);border-color:var(--control-line)}
:root[data-theme="ceramic"],.skin-preview[data-material="ceramic"]{--room-image:url('../assets/ceramic-room.png');--paper:#f4f0e6;--board:#e0d8c4aa;--ink:#275550;--muted:#5d6960;--line:#918875;--accent:#315e56;--soft:#cedbd199;--control-line:#8c887d66;--target-line:#8f8774;--empty:#9b9c8b;--stamp-empty:#879783;--board-empty:#999b8c;--won-board:#d5dfd3bb;--won-line:#4f7263;--tile-fill:url('#ceramic-glaze')}
:root[data-theme="paper"],.skin-preview[data-material="paper"]{--room-image:url('../assets/paper-room.png');--paper:#f4ecdb;--board:#f4edddb8;--ink:#354d3a;--muted:#666b56;--line:#83896a88;--accent:#6b7054;--soft:#b5bd9677;--control-line:#9b9b7766;--target-line:#899070;--board-empty:#a1a087;--won-board:#e1e4c899;--won-line:#788063}
:root[data-theme="glass"],.skin-preview[data-material="glass"]{--room-image:url('../assets/glass-room.png');--paper:#f1f2ee;--board:#e8f2ef55;--ink:#2b554e;--muted:#59736d;--line:#71958a88;--accent:#426f65;--soft:#beded477;--control-line:#6e948477;--target-line:#62887c;--board-empty:#8da49b;--stamp-empty:#779387;--won-board:#e0f3e988;--won-line:#649a80;--tile-fill:url('#glass-glaze')}
:root[data-theme="spores"],.skin-preview[data-material="spores"]{color-scheme:dark;--room-image:url('../assets/spores-room.png');--paper:#20291f;--board:#263023bf;--ink:#f1dfaa;--muted:#c1c39a;--line:#9c9c5888;--accent:#d1c283;--soft:#89934c4d;--pip-line:#b6b977;--control-line:#a3a66c66;--control-hover:#6e754c55;--target-line:#adb57a;--mini-line:#9b9e63;--empty:#737e57;--stamp-empty:#949b60;--board-empty:#9ba376;--anchor:#aeb576;--won-board:#66723a44;--won-line:#dbd49c;--accent-hover:#ebd898;--dialog-shadow:#0007;--backdrop:#080e0bcc}
:root:is([data-theme="ceramic"],[data-theme="glass"]) .material-tile{display:block;fill:var(--tile-fill);stroke:#ffffffaa;stroke-width:1.3;pointer-events:none}
:root:is([data-theme="ceramic"],[data-theme="glass"]) .mini-outline{display:block;stroke:var(--target-line);stroke-width:1.35}
:root:is([data-theme="ceramic"],[data-theme="glass"]) #stamp .mini-outline{stroke:var(--accent);stroke-width:1.8}
:root:is([data-theme="ceramic"],[data-theme="glass"]) .same-pattern #stamp .mini-outline{stroke-width:3}
:root:is([data-theme="ceramic"],[data-theme="glass"]) .board-line,:root:is([data-theme="ceramic"],[data-theme="glass"]) .mini-line{opacity:0}
:root:is([data-theme="ceramic"],[data-theme="glass"]) .board-bg,:root:is([data-theme="ceramic"],[data-theme="glass"]) .target-frame,:root:is([data-theme="ceramic"],[data-theme="glass"]) .stamp-frame,:root:is([data-theme="ceramic"],[data-theme="glass"]) .mark{filter:none}
:root[data-theme="ceramic"] .board-wrap{box-shadow:0 3px 2px #75694b3b,0 10px 22px #70613a1a}
:root[data-theme="glass"] .board-wrap{box-shadow:inset 0 0 2px #fff9,0 3px 15px #a8d3c533}
:root[data-theme="paper"] .board-wrap{box-shadow:1px 4px 5px #4a45292b}
:root[data-theme="paper"] .board-bg{filter:url('#paper-edge');stroke-opacity:.6}
:root[data-theme="spores"] .mark{filter:drop-shadow(0 0 4px #e8d88b55);stroke:none}
:root[data-theme="spores"] .target-frame{fill:#263023aa;filter:none}
:root[data-theme="spores"] .board-bg,:root[data-theme="spores"] .stamp-frame{filter:none}
:root[data-theme="spores"] .controls .icon{background:#26302366;box-shadow:none}
:root[data-theme="spores"] .title-rule{background:linear-gradient(90deg,transparent,#afb17077,transparent)}
:root[data-theme="spores"] #stamp{filter:drop-shadow(0 3px 7px #0005)}
:root[data-theme="spores"] .transfer-mark{filter:drop-shadow(0 0 3px #e9d69855)}