/* Cosmetic layers switch in place, preserving active moves and animations. */
.bug-design{pointer-events:none;display:none}
.bug-design-original{display:inline}
body[data-bug-style=geometric] .bug-design-original,body[data-bug-style=engraved] .bug-design-original,body[data-bug-style=tactical] .bug-design-original{display:none}
body[data-bug-style=geometric] .bug-design-geometric,body[data-bug-style=engraved] .bug-design-engraved,body[data-bug-style=tactical] .bug-design-tactical{display:inline}
body [data-bug-sample] .bug-design{display:none}
body [data-bug-sample=original] .bug-design-original,body [data-bug-sample=geometric] .bug-design-geometric,body [data-bug-sample=engraved] .bug-design-engraved,body [data-bug-sample=tactical] .bug-design-tactical{display:inline}
body[data-tile-style=ceramic] .tile-art:not(.tile-swatch *) .face,.tile-swatch[data-sample=ceramic] .face{fill:var(--ceramic-face);stroke:#b9b9b1;stroke-width:1.2}
body[data-tile-style=ceramic] .side-b:not(.tile-swatch *) .face,.tile-swatch[data-sample=ceramic] .side-b .face{stroke:#606569}
body[data-tile-style=ceramic] .side-w:not(.tile-swatch *) .tile-wall,.tile-swatch[data-sample=ceramic] .side-w .tile-wall{fill:#c2bfb4;stroke:#b7b4a9}
body[data-tile-style=ceramic] .side-b:not(.tile-swatch *) .tile-wall,.tile-swatch[data-sample=ceramic] .side-b .tile-wall{fill:#171b1e;stroke:#35393b}
body[data-tile-style=ceramic] .side-w:not(.tile-swatch *) .tile-bevel,.tile-swatch[data-sample=ceramic] .side-w .tile-bevel{stroke:#fffdf7;stroke-width:1.7}
body[data-tile-style=ceramic] .side-b:not(.tile-swatch *) .tile-bevel,.tile-swatch[data-sample=ceramic] .side-b .tile-bevel{stroke:#ffffff26;stroke-width:1.4}
body[data-tile-style=midnight-glass] .tile-art:not(.tile-swatch *) .face,.tile-swatch[data-sample=midnight-glass] .face{fill:var(--glass-face);stroke:#aeb5b5;stroke-width:1.1}
body[data-tile-style=midnight-glass] .tile-art:not(.tile-swatch *) .tile-wall,.tile-swatch[data-sample=midnight-glass] .tile-wall{fill:var(--glass-wall);stroke:currentColor;stroke-width:.75;stroke-opacity:.8}
body[data-tile-style=midnight-glass] .tile-art:not(.tile-swatch *) .tile-bevel,.tile-swatch[data-sample=midnight-glass] .tile-bevel{stroke:#ffffff8c;stroke-width:1.1}
body[data-tile-style=midnight-glass] .side-b:not(.tile-swatch *) .tile-bevel,.tile-swatch[data-sample=midnight-glass] .side-b .tile-bevel{stroke:#ffffff59}
#settings-play .tile-design-choice{margin:16px 0;min-width:0}
#settings-play .tile-design-choice legend{font-size:14px;color:var(--ink);padding-bottom:8px}
#settings-play .tile-design-choice .setting-chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
#settings-play .tile-design-choice .setting-chip{display:flex;flex-direction:column;justify-content:center;gap:5px;min-width:0;min-height:94px;padding:8px 4px}
#settings-play .tile-design-choice .setting-chip>span:last-child{font-size:14px;line-height:1.25;white-space:normal;text-align:center}
#settings-play .tile-design-choice .setting-chip[aria-pressed=true]{background:color-mix(in srgb,var(--accent) 22%,var(--panel));border-color:var(--accent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 45%,transparent)}
#settings-play .tile-swatch,#settings-play .bug-swatch{width:100%;max-width:118px;height:57px}
#settings-play .tile-design-preview{border:1px solid var(--line);border-radius:12px;background:var(--bg);padding:12px;margin:12px 0}
.tile-design-preview>svg{display:block;width:100%;max-width:380px;height:125px;margin:auto;overflow:visible}
.tile-design-preview>span{display:block;text-align:center;font-size:14px;color:var(--muted);margin-top:8px}
@media(max-width:420px){#settings-play .tile-design-choice .setting-chips{gap:6px}#settings-play .tile-swatch,#settings-play .bug-swatch{height:48px}#settings-play .tile-design-choice .setting-chip{padding:6px 3px;min-height:87px}}

.bug-swatch>svg{width:100%;height:100%}
/* Independent palette, material and artwork. Samples inherit the other choices. */
body[data-tile-palette=carbon] .tile-art{--mark-w:#111;--mark-b:#fff;--tone-w:#fafafa;--tone-b:#141414}
body .setting-swatch[data-palette-sample=color] .tile-art{--mark-w:inherit;--mark-b:inherit;--tone-w:#f4f1df;--tone-b:#07090b}
body .setting-swatch[data-palette-sample=carbon] .tile-art{--mark-w:#111;--mark-b:#fff;--tone-w:#fafafa;--tone-b:#141414}
body .side-w .piece-mark{color:var(--mark-w,inherit)!important}body .side-b .piece-mark{color:var(--mark-b,inherit)!important}
body .side-w{--tile-tone:var(--tone-w,#f4f1df)}body .side-b{--tile-tone:var(--tone-b,#07090b)}
body[data-tile-style=classic] .tile-art:not(.tile-swatch *) .face,body .tile-swatch[data-sample=classic] .face{fill:var(--tile-tone)!important}
.tile-art linearGradient:not(.glass-wall-gradient) stop:first-child{stop-color:color-mix(in srgb,var(--tile-tone) 80%,white)}
.tile-art linearGradient:not(.glass-wall-gradient) stop:last-child{stop-color:color-mix(in srgb,var(--tile-tone) 90%,black)}
.rounded-shell{display:none}
body[data-tile-style=ceramic] .tile-art:not(.tile-swatch *)>.sharp-shell,.tile-swatch[data-sample=ceramic] .sharp-shell{display:none}
body[data-tile-style=ceramic] .tile-art:not(.tile-swatch *)>.rounded-shell,.tile-swatch[data-sample=ceramic] .rounded-shell{display:inline}
:root[data-surface=linen]{--table-color:#726f67}:root[data-surface=hexmat]{--table-color:#202d37}
#settings-dialog .settings-tabs{gap:8px;border:0}
#settings-dialog .settings-tabs button{border:1px solid var(--line);border-radius:10px;min-height:48px;display:grid;place-items:center}
#settings-dialog .settings-tabs button[aria-selected=true],#settings-dialog .setting-chip[aria-pressed=true],#settings-dialog .setting-toggle:has(input:checked){background:color-mix(in srgb,var(--accent) 24%,var(--panel));border-color:var(--accent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 40%,transparent)}
#settings-dialog svg:not(.appearance-preview svg):not(.setting-swatch svg){width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
#settings-look .setting-choice{margin:0;padding:10px 0;border-top:1px solid var(--line)}
#settings-look .setting-choice legend{margin:0;padding:0 0 5px}
#settings-look :is([data-choice=tile-style],[data-choice=bug-style],[data-choice=table-surface]) .setting-chips{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
#settings-look [data-choice=tile-palette] .setting-chips{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
#settings-look .setting-chip{justify-content:center;min-width:0;padding:6px;min-height:64px;position:relative}
#settings-look .setting-chip>span:last-child{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
#settings-look :is(.tile-swatch,.bug-swatch,.palette-tile-swatch){width:100%;max-width:120px;height:56px}
#settings-look .setting-swatch svg{width:100%;height:100%}
#settings-look .appearance-preview{height:132px;margin:0}
#settings-look .appearance-preview>svg{height:126px}
#settings-look .appearance-preview>span{display:none}
#settings-dialog .setting-toggle-mark{width:28px;height:14px;border-radius:20px;background:var(--line);border:0}
#settings-dialog .setting-toggle-mark:after{content:'';width:10px;height:10px;border-radius:50%;background:var(--muted);transform:translateX(-6px)}
#settings-dialog .setting-toggle:has(input:checked) .setting-toggle-mark{background:var(--accent)}
#settings-dialog .setting-toggle:has(input:checked) .setting-toggle-mark:after{background:var(--panel);transform:translateX(6px)}
#settings-play{grid-template-columns:repeat(2,minmax(0,1fr))}#settings-play fieldset{grid-column:1/-1}
#settings-dialog [data-choice=placement-mode] .setting-chip{justify-content:center}
#settings-dialog .settings-info{border-top:1px solid var(--line);padding-top:12px}
#settings-dialog .settings-info h3{font-size:14px;margin:0 0 8px}#settings-dialog .settings-info p{font-size:14px;line-height:1.5;color:var(--muted)}
#settings-dialog .audio-settings .setting{display:flex;align-items:center;justify-content:space-between}
@media(max-width:420px){#settings-look :is(.tile-swatch,.bug-swatch,.palette-tile-swatch){height:44px}#settings-look .setting-chip{min-height:54px}#settings-look .appearance-preview{height:112px}}

.side-w{--edge-color:var(--mark-w,currentColor)}.side-b{--edge-color:var(--mark-b,currentColor)}
.glass-wall-gradient stop:last-child{stop-color:var(--edge-color)}
body[data-tile-style=midnight-glass] .tile-art:not(.tile-swatch *) .tile-wall,.tile-swatch[data-sample=midnight-glass] .tile-wall{stroke:var(--edge-color)}

/* Palette variants preserve every material and bug design. */
body[data-tile-palette=neon] .tile-art{--mark-w:var(--neon-w);--mark-b:var(--neon-b);--tone-w:#e3edff;--tone-b:#130f2b}
body[data-tile-palette=copper] .tile-art{--mark-w:#88431d;--mark-b:#edb67a;--tone-w:#f1dec4;--tone-b:#163e3a}
body .setting-swatch[data-palette-sample=neon] .tile-art{--mark-w:var(--neon-w);--mark-b:var(--neon-b);--tone-w:#e3edff;--tone-b:#130f2b}
body .setting-swatch[data-palette-sample=copper] .tile-art{--mark-w:#88431d;--mark-b:#edb67a;--tone-w:#f1dec4;--tone-b:#163e3a}
.tile-art[data-piece^=wQ],.tile-art[data-piece^=bQ]{--neon-w:#986000;--neon-b:#ffeb3b}
.tile-art[data-piece^=wA],.tile-art[data-piece^=bA]{--neon-w:#00758b;--neon-b:#00eaff}
.tile-art[data-piece^=wB],.tile-art[data-piece^=bB]{--neon-w:#a520ae;--neon-b:#fc43f5}
.tile-art[data-piece^=wG],.tile-art[data-piece^=bG]{--neon-w:#387712;--neon-b:#90ff36}
.tile-art[data-piece^=wS],.tile-art[data-piece^=bS]{--neon-w:#b34612;--neon-b:#ff783e}
.tile-art[data-piece^=wL],.tile-art[data-piece^=bL]{--neon-w:#ba175e;--neon-b:#ff448f}
.tile-art[data-piece^=wM],.tile-art[data-piece^=bM]{--neon-w:#5948c0;--neon-b:#ac99ff}
.tile-art[data-piece^=wP],.tile-art[data-piece^=bP]{--neon-w:#00795e;--neon-b:#20ffc2}

/* Labels explain ambiguous controls; visual samples carry the style choices. */
#settings-dialog .setting-choice legend{display:flex;align-items:center;gap:8px;font-size:14px}
#settings-dialog .setting-label{font-size:14px;line-height:1.4;min-width:0}
#settings-dialog .setting-toggle{display:flex;align-items:center;gap:12px;padding:10px 2px!important;border:0!important;border-bottom:1px solid var(--line)!important;background:none!important;box-shadow:none!important;outline:none;min-height:54px!important}
#settings-dialog .setting-toggle .setting-label{flex:1}
#settings-dialog .setting-toggle .setting-toggle-mark{position:relative;display:block;width:40px;height:24px;padding:0;flex:none;border:0;box-sizing:border-box;background:var(--line)}
#settings-dialog .setting-toggle .setting-toggle-mark::after{position:absolute;left:3px;top:3px;width:18px;height:18px;margin:0;transform:translateX(0);background:var(--muted)}
#settings-dialog .setting-toggle:has(input:checked) .setting-toggle-mark::after{transform:translateX(16px);background:var(--panel)}
#settings-dialog .setting-toggle:has(input:focus-visible) .setting-toggle-mark{outline:2px solid var(--accent);outline-offset:3px}
#settings-play{grid-template-columns:1fr}
#settings-dialog .audio-settings .setting:not(.setting-toggle){display:grid;grid-template-columns:25px minmax(0,1fr) 48px;gap:8px 12px}
#settings-dialog .audio-settings input[type=range]{grid-column:1/3;width:100%;height:32px;margin:0;appearance:none;background:transparent;cursor:pointer;min-height:32px}
#settings-dialog input[type=range]::-webkit-slider-runnable-track{height:5px;border-radius:8px;background:linear-gradient(to right,var(--accent) var(--volume),var(--line) var(--volume))}
#settings-dialog input[type=range]::-webkit-slider-thumb{appearance:none;height:17px;width:17px;background:var(--accent);border:0;border-radius:50%;margin-top:-6px}
#settings-dialog input[type=range]::-moz-range-track{height:5px;border-radius:8px;background:var(--line)}
#settings-dialog input[type=range]::-moz-range-progress{height:5px;border-radius:8px;background:var(--accent)}
#settings-dialog input[type=range]::-moz-range-thumb{height:17px;width:17px;background:var(--accent);border:0;border-radius:50%}
#settings-dialog .volume-value{font-size:14px;text-align:right;color:var(--muted)}
#settings-look .bug-swatch{height:76px;max-width:100px;color:var(--ink)}
#settings-look .bug-swatch .piece-mark{color:var(--ink)!important}
#settings-look .tile-design-choice .setting-chip{flex-direction:column;gap:4px}
#settings-look .tile-design-choice .setting-chip>span:last-child{position:static;clip-path:none;width:auto;height:auto;overflow:visible;font-size:13px;text-align:center;line-height:1.3}
#settings-look .tile-swatch .piece-mark{display:none}
#settings-dialog .settings-language{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 12px;border:0;padding:0}
#settings-dialog .settings-language legend{font-size:14px;float:left;display:flex;align-items:center;gap:6px;margin-right:auto;padding:0}
#settings-dialog .settings-language button{font-size:14px;min-height:40px;border:1px solid var(--line);border-radius:8px;padding:6px 10px}
#settings-dialog .settings-language button[aria-pressed=true]{background:color-mix(in srgb,var(--accent) 20%,var(--panel));border-color:var(--accent)}
#settings-dialog .settings-tabs button{display:flex;align-items:center;justify-content:center;gap:7px}
@media(max-width:440px){#settings-dialog .settings-tabs button{flex-direction:column;gap:3px;font-size:12px}#settings-dialog .settings-language{gap:5px}#settings-dialog .settings-language button{padding:5px 8px}#settings-look .bug-swatch{height:66px}}
#settings-dialog .settings-tabs button{min-width:0}
@media(max-width:440px){#settings-dialog .settings-tabs button{padding:5px 3px}#settings-dialog .settings-tabs .setting-label{font-size:12px;overflow-wrap:anywhere}}

/* Brushed Alloy: satin metal, directional grain and machined bevels. */
.side-w{--alloy-tone:var(--tone-w,#c5cdd4)}.side-b{--alloy-tone:var(--tone-b,#343e49)}
.tile-brush{display:none}
body[data-tile-style=alloy] .tile-art:not(.tile-swatch *) .face,.tile-swatch[data-sample=alloy] .face{fill:var(--alloy-face);stroke:color-mix(in srgb,var(--alloy-tone) 60%,#718395);stroke-width:1.2}
body[data-tile-style=alloy] .tile-art:not(.tile-swatch *) .tile-wall,.tile-swatch[data-sample=alloy] .tile-wall{fill:color-mix(in srgb,var(--alloy-tone) 62%,#1d2936);stroke:color-mix(in srgb,var(--alloy-tone) 65%,#8493a2);stroke-width:.5}
body[data-tile-style=alloy] .tile-art:not(.tile-swatch *) .tile-bevel,.tile-swatch[data-sample=alloy] .tile-bevel{stroke:color-mix(in srgb,var(--alloy-tone) 40%,white);stroke-width:1.8}
body[data-tile-style=alloy] .tile-art:not(.tile-swatch *)>.tile-brush,.tile-swatch[data-sample=alloy] .tile-brush{display:inline}
body[data-tile-style=alloy] .tile-art:not(.tile-swatch *) .piece-mark{filter:drop-shadow(0 .25px .15px #0005)}
#settings-look [data-choice=tile-style] .setting-chips{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:460px){#settings-look [data-choice=tile-style] .setting-chips{grid-template-columns:repeat(2,minmax(0,1fr))}}

#settings-look [data-choice=bug-style] .setting-chips{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:460px){#settings-look [data-choice=bug-style] .setting-chips{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Tactical insignia keep designated colours, with monochrome ink for Carbon. */
.tile-art[data-piece^=wQ],.tile-art[data-piece^=bQ]{--tactical-ink:#f4bd16}
.tile-art[data-piece^=wA],.tile-art[data-piece^=bA]{--tactical-ink:#768b3e}
.tile-art[data-piece^=wB],.tile-art[data-piece^=bB]{--tactical-ink:#78858a}
.tile-art[data-piece^=wG],.tile-art[data-piece^=bG]{--tactical-ink:#347fa3}
.tile-art[data-piece^=wS],.tile-art[data-piece^=bS]{--tactical-ink:#e34b9b}
.tile-art[data-piece^=wM],.tile-art[data-piece^=bM]{--tactical-ink:#9763b7}
.tile-art[data-piece^=wL],.tile-art[data-piece^=bL]{--tactical-ink:#278c86}
.tile-art[data-piece^=wP],.tile-art[data-piece^=bP]{--tactical-ink:#df3e36}
body[data-bug-style=tactical] .tile-art .piece-mark{color:var(--tactical-ink)!important}
body[data-bug-style=tactical][data-tile-palette=carbon] .tile-art:not(.setting-swatch *) .piece-mark,
body[data-bug-style=tactical] .setting-swatch[data-palette-sample=carbon] .tile-art .piece-mark{color:var(--carbon-ink)!important}
.tile-art.side-w{--carbon-ink:#111}.tile-art.side-b{--carbon-ink:#fff}
#settings-look .bug-swatch[data-bug-sample=tactical] .piece-mark{color:#78858a!important}

#settings-look .appearance-dock{position:sticky;top:0;z-index:3;background:var(--panel);padding-bottom:8px;isolation:isolate}
#settings-look .appearance-dock .appearance-preview{margin:0;min-height:110px;height:110px;border-radius:12px}
#settings-look .appearance-dock .appearance-preview>svg{height:106px}
#app-language-dialog{width:min(340px,calc(100vw - 28px));max-height:calc(100dvh - 28px);padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel);color:var(--ink)}
.language-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.language-heading h2{margin:0;font-size:20px}.language-heading button{width:40px;height:40px;font-size:24px}
.language-options{display:grid;gap:8px}.language-options button{min-height:48px;text-align:left;padding:10px 14px;font-size:16px;border:1px solid var(--line);border-radius:10px}.language-options button[aria-pressed=true]{background:color-mix(in srgb,var(--accent) 24%,var(--panel));border-color:var(--accent)}
#app-language-button svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7}
@media(max-height:520px){#settings-look .appearance-dock .appearance-preview{min-height:76px;height:76px}#settings-look .appearance-dock .appearance-preview>svg{height:72px}}

.settings-header-actions{display:flex;align-items:center;gap:12px;flex:none}
#settings-dialog .settings-header-theme{display:flex;align-items:center;gap:6px;min-height:44px;margin:0;padding:0;position:relative}
#settings-dialog .settings-header-theme .switch-track{box-sizing:border-box;width:40px;height:24px;padding:3px;flex:none}
#settings-dialog .settings-header-theme .switch-track:after{width:18px;height:18px}
#settings-dialog .settings-header-theme input:checked+.switch-track:after{transform:translateX(16px)}
#settings-dialog .settings-header-theme>span:not(.switch-track){display:inline;font-size:16px}
#settings-dialog .settings-header-theme:focus-within{outline:none}
#settings-dialog .settings-header-theme:has(input:focus-visible) .switch-track{outline:2px solid var(--accent);outline-offset:3px}