.gsd{--gk-max:30rem;--gk-chrome:21.5rem}@media (width<=640px){.gsd{--gk-chrome:23.5rem}}.gsd-stats{grid-template-columns:repeat(3,minmax(0,1fr)) auto}.gsd .gk-stat{justify-content:space-between;align-items:baseline;gap:var(--s-2);padding:var(--s-1) var(--s-3);flex-direction:row}.gsd .gk-stat-v{font-size:var(--fs-md)}.gsd-levelsel{width:100%;min-height:var(--control-h-sm);padding-block:0;padding-inline:var(--s-2) var(--s-4);font-size:var(--fs-sm);font-weight:600}.gsd-newbtn{align-self:stretch}.gsd-wrap~*{order:2}.gsd-wrap~.gsd-solve-top,.gsd-wrap~.gsd-hint,.gsd-wrap~.gsd-pad,.gsd-wrap~.gsd-tools{order:1}.gsd-menu-body{gap:var(--s-3);padding-top:var(--s-2);display:grid}.gsd-setup{align-items:flex-end;gap:var(--s-3);flex-wrap:wrap;display:flex}.gsd-setup .field{min-width:7rem}.gsd-setup .field:has(.seg){min-width:0}.gsd-setup .btn{margin-left:auto}.gsd-switches{gap:var(--s-1) var(--s-5);padding-top:var(--s-2);grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));display:grid}.gsd[data-view=solve] [data-play-only],.gsd[data-view=play] [data-solve-only]{display:none!important}.gsd-banner{justify-content:space-between;align-items:center;gap:var(--s-3);padding:var(--s-3) var(--s-4);border:1px solid var(--border-strong);border-radius:var(--r-2);background:var(--surface-2);flex-wrap:wrap;display:flex}.gsd-banner[hidden]{display:none}.gsd-banner[data-tone=ok]{border-color:var(--ok-border);background:var(--ok-soft)}.gsd-banner p{font-weight:500}.gsd-wrap{max-width:30rem;margin-inline:auto}.gsd-board{aspect-ratio:1;border:2px solid var(--text-2);border-radius:var(--r-2);background:var(--surface);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;grid-template-columns:repeat(9,minmax(0,1fr));width:100%;display:grid;overflow:hidden;container-type:inline-size}.gsd-board[inert]{visibility:hidden}.gsd-row{display:contents}.gsd-cell{aspect-ratio:1;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface);min-width:0;color:var(--text);font-family:var(--font-sans);font-variant-numeric:tabular-nums;cursor:pointer;justify-content:center;align-items:center;font-size:clamp(1.125rem,6.6cqw,2rem);font-weight:500;line-height:1;display:flex;position:relative}.gsd-cell:nth-child(3n):not(:nth-child(9)){border-right:2px solid var(--text-3)}.gsd-row:nth-child(3n):not(:nth-child(9)) .gsd-cell{border-bottom:2px solid var(--text-3)}.gsd-cell:nth-child(9){border-right:0}.gsd-row:nth-child(9) .gsd-cell{border-bottom:0}.gsd-cell[data-hl=peer]{background:var(--surface-2)}.gsd-cell[data-same="1"]{background:var(--accent-soft-2)}.gsd-cell[data-hl=sel]{background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}.gsd-cell[data-kind=given]{font-weight:800}.gsd-cell[data-kind=user]{color:var(--accent-text);font-weight:600}.gsd-cell[data-conflict="1"]{color:var(--err);background:var(--err-soft);text-underline-offset:.18em;text-decoration:underline 2px}.gsd-cell[data-wrong="1"]{color:var(--err);background:var(--err-soft);text-underline-offset:.2em;text-decoration:underline 1.5px wavy}.gsd-cell[data-hint=target]{background:var(--warn-soft);box-shadow:inset 0 0 0 3px var(--warn)}.gsd-cell[data-hint=cause]{background:var(--warn-soft);box-shadow:inset 0 0 0 2px var(--warn-border)}.gsd-cell:focus-visible{outline:3px solid var(--focus);outline-offset:-3px;z-index:1}.gsd-notes{width:100%;height:100%;color:var(--text-2);grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);padding:6%;font-size:clamp(.5625rem,3.2cqw,.8125rem);font-weight:500;line-height:1;display:grid}.gsd-notes span{justify-content:center;align-items:center;display:flex}.gsd-status{text-align:center;color:var(--text-2)}.gsd-status:empty{display:none}.gsd-hint{gap:var(--s-2);padding:var(--s-3) var(--s-4);border:1px solid var(--warn-border);border-radius:var(--r-2);background:var(--warn-soft);display:grid}.gsd-hint[hidden]{display:none}.gsd-pad{grid-template-columns:repeat(9,minmax(0,1fr));gap:3px;width:100%;max-width:30rem;margin-inline:auto;display:grid}.gsd-num{border:1px solid var(--border-strong);border-radius:var(--r-2);background:var(--surface);min-width:0;height:3.5rem;color:var(--text);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:0;display:flex}.gsd-num:hover{background:var(--surface-2)}.gsd-num:active{background:var(--accent-soft)}.gsd-num:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.gsd-num-d{font-size:1.5rem;font-weight:600;line-height:1}.gsd-num-left{font-family:var(--font-mono);color:var(--text-3);font-size:.6875rem;line-height:1}.gsd-num[data-done="1"]{background:var(--surface-3);color:var(--text-3)}.gsd-num[data-done="1"] .gsd-num-d{text-decoration:line-through 2px}.gsd[data-notes=on] .gsd-num{border-style:dashed}.gsd-tools{gap:var(--s-2);grid-template-columns:repeat(4,minmax(0,1fr));width:100%;max-width:30rem;margin-inline:auto;display:grid}.gsd-tool{min-width:0;min-height:3.25rem;padding:var(--s-1) 2px;border:1px solid var(--border-strong);border-radius:var(--r-2);background:var(--surface);color:var(--text);text-align:center;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:.8125rem;font-weight:500;line-height:1.15;display:flex}.gsd-tool:hover{background:var(--surface-2)}.gsd-tool:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.gsd-tool[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-text)}.gsd-tool[aria-disabled=true]{opacity:.45;cursor:default}.gsd-solve,.gsd-solve-top{gap:var(--s-3);display:grid}.gsd-msg{font-weight:500}.gsd-msg[data-tone=err]{color:var(--err)}.gsd-msg[data-tone=ok]{color:var(--ok)}.gsd-print .gk-options{margin-block:var(--s-3)}.gsd-print-frame{opacity:0;pointer-events:none;border:0;width:210mm;height:297mm;position:fixed;top:0;left:-9999px}.gsd .gk-overlay{background:var(--surface)}@media (width<=47.99rem){.gsd-wrap{width:calc(100% + var(--s-3) * 2);max-width:none;margin-inline:calc(var(--s-3) * -1)}.gsd-board{border-inline-width:0;border-radius:0}.gsd .gk-overlay{border-radius:0}.gsd-pad{width:calc(100% + var(--s-2) * 2);max-width:none;margin-inline:calc(var(--s-2) * -1)}}@media (prefers-reduced-motion:no-preference){.gsd-cell,.gsd-num,.gsd-tool{transition:background-color var(--dur) var(--ease)}}@media print{.gsd-board,.gsd-pad{break-inside:avoid}}