/* Sudoku: list papira sa tablom 9 × 9 na filcu, debele crte oko kutija, tastatura sa brojevima. Raspored računa
   client/sudoku/game.ts (--cell, .side ili .stack). Ostalo je iz base.css. */
.is-game .felt.sudoku{touch-action:manipulation;-webkit-user-select:none;user-select:none}
.sdboard{position:absolute;--sdink:#2a1d12;--sdblue:#1d4f9a}
.sdpaper{position:absolute;top:0;border-radius:10px;background:#fbf6e8;box-shadow:0 14px 26px rgba(0,0,0,.45),inset 0 0 0 1px rgba(120,90,50,.22)}
.sdgrid{position:absolute;left:6px;top:6px;display:grid;grid-template-columns:repeat(9,var(--cell));grid-auto-rows:var(--cell);
  outline:2.5px solid var(--sdink);outline-offset:0}
.sdc{appearance:none;margin:0;padding:0;border:0;border-right:1px solid rgba(42,29,18,.28);border-bottom:1px solid rgba(42,29,18,.28);
  background:transparent;color:var(--sdblue);font:600 calc(var(--cell)*.58)/1 var(--sans);display:grid;place-items:center;cursor:pointer;position:relative}
.sdc:nth-child(9n){border-right:0}
.sdc:nth-last-child(-n+9){border-bottom:0}
.sdc.bR{border-right:2.5px solid var(--sdink)}
.sdc.bB{border-bottom:2.5px solid var(--sdink)}
.sdc.given{color:var(--sdink);font-weight:800}
.sdc.peer{background:rgba(120,150,200,.13)}
.sdc.same{background:rgba(242,201,100,.42)}
.sdc.sel{background:rgba(242,201,100,.85)}
.sdc.wrong{color:#c0281f}
.sdc.wrong::after{content:'';position:absolute;inset:12%;border-radius:50%;box-shadow:0 0 0 2px rgba(192,40,31,.45)}
.sdc.flash{animation:sdflash .9s ease-out}
@keyframes sdflash{0%{background:rgba(63,174,90,.6)}100%{background:transparent}}
.sdc:focus-visible{outline:3px solid var(--brass);outline-offset:-3px;z-index:1}
.sdn{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);width:100%;height:100%;padding:6%;box-sizing:border-box}
.sdn i{font:600 calc(var(--cell)*.22)/1 var(--sans);font-style:normal;color:#5b5148;display:grid;place-items:center}
.sdboard.reveal .sdc.given{animation:sdin .3s ease-out both;animation-delay:calc(var(--r)*35ms)}
@keyframes sdin{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
.sdboard.won .sdc{animation:sdwin .5s ease-in-out calc(var(--r)*60ms) 1}
@keyframes sdwin{50%{background:rgba(242,201,100,.6)}}
/* tastatura: brojevi i alati */
.sdpad{position:absolute;display:grid;gap:8px}
.sdboard.side .sdpad{right:0;top:50%;transform:translateY(-50%);grid-template-columns:repeat(3,1fr)}
.sdboard.stack .sdpad{left:50%;transform:translateX(-50%);bottom:0;grid-template-columns:repeat(9,1fr);gap:5px}
.sdkey,.sdtool{appearance:none;border:1px solid rgba(120,90,50,.35);border-radius:12px;background:linear-gradient(180deg,#fffaf0,#efe2c4);color:var(--sdink);
  cursor:pointer;box-shadow:0 4px 10px rgba(0,0,0,.35);font:700 28px/1 var(--sans);min-height:56px;display:grid;place-items:center}
.sdboard.stack .sdkey{font-size:24px;min-height:50px;border-radius:9px}
.sdboard.stack.tight .sdkey{min-height:42px;font-size:21px}
.sdboard.stack.tight .sdtool{min-height:40px}
.sdkey.same{box-shadow:0 0 0 3px #f2c964,0 4px 10px rgba(0,0,0,.35)}
.sdkey.done{opacity:.35}
.sdtool{font:700 16px/1 var(--sans);display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px}
.sdtool svg{width:20px;height:20px}
.sdboard.side .sdtool{grid-column:span 3}
.sdboard.stack .sdtool{grid-column:span 4}
.sdboard.stack .sdtool[data-tool="erase"]{grid-column:span 5}
.sdtool.on{background:linear-gradient(180deg,#f6d77b,#e3b54a);border-color:#a67c1f}
.sdkey:focus-visible,.sdtool:focus-visible{outline:3px solid var(--brass);outline-offset:2px}
@media (prefers-reduced-motion:reduce){.sdc.flash,.sdboard.reveal .sdc.given,.sdboard.won .sdc{animation:none}}