.theme-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.theme-card{display:grid;gap:9px;text-align:left;padding:9px;border-radius:8px;background:var(--panel)}
.theme-card[aria-pressed=true]{outline:1px solid var(--signal);outline-offset:1px}
.theme-preview{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:10px 24px;gap:4px;padding:5px;border-radius:5px;background:var(--preview-bg);border:1px solid var(--preview-line)}
.theme-preview i{display:block;border-radius:2px;background:var(--preview-panel);border:1px solid var(--preview-line)}
.theme-preview i:first-child{grid-column:1/-1;background:var(--preview-signal);border:0}
.theme-preview i:last-child{border-color:var(--preview-signal);background:linear-gradient(135deg,var(--preview-panel),var(--preview-bg))}
html[data-theme]:not([data-theme=systems]) :is(header,.workspace-nav,.operations-banner,dialog,.connection-banner){background:var(--panel);border-color:var(--line)}
html[data-theme]:not([data-theme=systems]) :is(button,input,textarea,select,.relay-tile,.cipher-ring,.message,.pet-chat-message,.pet-store-item,.pet-sleep-controls>div,.desktop-pet-panel,.pet-shop-admin,.audio-panel,.health-summary,.health-group,.challenge-log li){background-color:color-mix(in srgb,var(--panel) 70%,var(--bg));border-color:var(--line);color:var(--ink)}
html[data-theme]:not([data-theme=systems]) :is(button:hover,button[aria-pressed=true],.workspace-link,.challenge-status,.message b,.pet-chat-message strong){border-color:var(--signal);color:var(--signal)}
html[data-theme]:not([data-theme=systems]) :is(.cipher-ring.matched,.relay-tile.powered,.logic-grid .lit){background:color-mix(in srgb,var(--signal) 18%,var(--panel));color:var(--signal);border-color:var(--signal)}
html[data-theme]:not([data-theme=systems]) #map{background:var(--bg);border-color:var(--line)}
html[data-theme]:not([data-theme=systems]) #grid path{stroke:var(--line)}
html[data-theme]:not([data-theme=systems]) .pet-bubble{background:var(--panel);border-color:var(--line);color:var(--ink)}
html[data-theme]:not([data-theme=systems]) .pet-bubble::after{border-top-color:var(--panel)}
html[data-theme]:not([data-theme=systems]) .pet-bubble[data-placement=below]::after{border-bottom-color:var(--panel)}
.advanced-picker{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:8px}
.advanced-grid{--tile-stroke:color-mix(in srgb,var(--ink) 52%,var(--line));display:grid;grid-template-columns:repeat(var(--grid-size),minmax(0,1fr));width:min(100%,465px);gap:2px;margin:8px 0}
.advanced-grid.advanced-nonogram{grid-template-columns:minmax(34px,.85fr) repeat(var(--grid-size),minmax(0,1fr))}
.advanced-cell{position:relative;display:grid;place-items:center;min-width:0;aspect-ratio:1;padding:0;border-radius:3px;color:var(--ink);background:var(--bg);font:700 clamp(11px,2vw,17px) monospace}
.advanced-cell:disabled{cursor:default}
.advanced-cell.given{color:var(--dim);background:var(--panel)}
.advanced-cell:is(.marked,.target){color:#ffd493!important;border-color:#ad8054!important}
.advanced-cell:is(.filled,.current){background:var(--signal)!important;color:var(--bg)!important}
.advanced-cell.visited:not(.current){background:color-mix(in srgb,var(--signal) 15%,var(--panel))!important}
.advanced-cell.obstacle{background:var(--line)!important}
.advanced-cell.block-right{border-right:3px solid var(--tile-stroke)!important}
.advanced-cell.block-bottom{border-bottom:3px solid var(--tile-stroke)!important}
.advanced-cell.wall-top{border-top:2px solid var(--tile-stroke)!important}
.advanced-cell.wall-right{border-right:2px solid var(--tile-stroke)!important}
.advanced-cell.wall-bottom{border-bottom:2px solid var(--tile-stroke)!important}
.advanced-cell.wall-left{border-left:2px solid var(--tile-stroke)!important}
.advanced-maze{gap:0}
.advanced-maze .advanced-cell{border-radius:0;border:1px solid transparent}
.advanced-clue{display:grid;align-items:end;color:var(--dim);font:700 11px monospace}
.advanced-clue-column{text-align:center;white-space:pre-line}
.advanced-clue-row{align-items:center;justify-content:end;padding-right:4px;text-align:right}
.cell-clue{position:absolute;left:2px;top:1px;color:var(--dim);font:700 9px monospace}
.advanced-undo{justify-self:start}