/* Block Slide Escape: a calm light table (Nordic: warm grey, soft wood tray), muted blocks, one coral key. */
:root{--bg:#EEF0EC;--bg2:#DDE2DC;--paper:#FFFFFF;--ink:#22303A;--ink-soft:#4C5A63;--ink-dim:#7A8790;--line:rgba(34,48,58,.14);
  --accent:#2F6F8F;--accent-lo:#225670;--key:#E4573D;--key-lo:#B43F29;--rim:#C7B99C;--rim-lo:#A8987A;--floor:#ECE6D9;color-scheme:light}
body{background:radial-gradient(120% 90% at 50% 0%,#F8F9F6,var(--bg) 55%,var(--bg2));color:var(--ink);font-size:19px}
.screen{background:none}

/* type and buttons */
.title{font:800 clamp(2em,7.2vmin,3.4em)/1.04 var(--sans);color:var(--ink);text-shadow:none;letter-spacing:-.015em;text-wrap:balance}
.pill{font:700 1.15em/1 var(--sans);color:#fff;background:var(--accent);box-shadow:0 2px 0 var(--accent-lo),0 8px 18px rgba(47,111,143,.28);
  min-height:52px;padding:.8em 2.4em;transition:transform .08s,filter .15s}
.pill:hover{filter:brightness(1.07)}
.pill:active{transform:translateY(2px);box-shadow:0 0 0 var(--accent-lo),0 4px 10px rgba(47,111,143,.25)}
.link{color:var(--accent);min-height:44px;font-weight:650;font-size:1em}
.jewel{width:50px;height:50px;border:1px solid var(--line);background:var(--paper);box-shadow:0 1px 3px rgba(20,30,40,.12);transition:transform .08s}
.jewel:active{transform:scale(.93)}
.jewel svg{stroke:var(--ink)}
.jewel:disabled{opacity:.36}
.jewel:focus-visible,.pill:focus-visible,.link:focus-visible,.choice:focus-visible,.toggle:focus-visible,.row:focus-visible,.board.play:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.board.play:focus{outline:none}

/* cards */
.veil{background:rgba(34,48,58,.4)}
.card{background:var(--paper);border:1px solid var(--line);box-shadow:0 20px 50px rgba(20,30,40,.25);color:var(--ink)}
.card h2{font:800 1.5em/1.15 var(--sans);color:var(--ink)}
.card .x{border-color:var(--line);color:var(--ink);width:44px;height:44px}
.card .x svg{stroke:var(--ink)}
.card > .row{margin-top:.45em;min-height:48px;color:var(--ink)}
.card > .row small{color:var(--ink-soft)}
.row{background:var(--bg);border-color:var(--line)}
.choice{border-color:var(--line);background:var(--bg);color:var(--ink);min-height:48px;font-weight:700;font-size:1.05em}
.choice:disabled{opacity:.45;cursor:default}
.levels{display:grid;grid-template-columns:repeat(6,1fr);gap:.4em;max-height:min(52vh,24em);overflow-y:auto;padding:.2em .3em .4em;margin:0 -.3em}
.levels .tier{grid-column:1/-1;margin:.5em 0 0;font-weight:800;font-size:.85em;color:var(--ink-soft);letter-spacing:.06em;text-transform:uppercase}
.levels .tier:first-child{margin-top:0}
.levels .choice{padding:.25em 0;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.05}
.levels .choice small{font-size:.62em;color:#C98A12;letter-spacing:-.05em}
.levels .choice.now{border:2px solid var(--accent)}
.toggle{background:#C3CDD4;border-color:var(--line);width:3.2em;height:1.8em}
.toggle::after{background:#fff}
.toggle[aria-pressed=true]{background:var(--accent)}
.toggle[aria-pressed=true]::after{background:#fff;left:1.55em}
.stats{color:var(--ink-soft)}
.stats b{font:800 1.7em/1.1 var(--sans);color:var(--ink)}
.note{color:var(--ink-soft);margin:.3em 0}
.note.big{font-size:1.1em;color:var(--ink);font-weight:700}
.card .rows .note{text-align:left;margin:0}
.card .rows .row span{font-weight:700}
.card .actions .links{display:flex;flex-wrap:wrap;justify-content:center;gap:.2em}
.stars{font-size:2.4em;line-height:1;text-align:center;margin:0 0 .2em;color:#E8A21A;letter-spacing:.08em;animation:starpop .5s cubic-bezier(.3,1.6,.5,1)}
@keyframes starpop{from{transform:scale(.4);opacity:0}}
.toast{background:var(--ink);color:#fff;border:0}

/* the tray: a wooden rim, a pale floor, the gap on the right of the third row */
.tray{position:relative;--cell:60px;--rw:calc(var(--cell)*.22);padding:var(--rw);border-radius:calc(var(--cell)*.3);
  background:linear-gradient(180deg,#D3C6AA,var(--rim) 60%,var(--rim-lo));
  box-shadow:inset 0 2px 0 rgba(255,255,255,.5),0 1px 0 #fff,0 16px 34px rgba(30,30,20,.18)}
.board{position:relative;left:auto;top:auto;border-radius:calc(var(--cell)*.12);
  background:var(--floor);box-shadow:inset 0 3px 8px rgba(60,50,30,.22);
  background-image:linear-gradient(rgba(120,100,70,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(120,100,70,.10) 1px,transparent 1px);
  background-size:var(--cell) var(--cell);background-position:-.5px -.5px;touch-action:none;-webkit-user-select:none;user-select:none}
.exit{position:absolute;right:0;top:calc(var(--rw) + var(--cell)*2);width:var(--rw);height:var(--cell);background:var(--floor);
  box-shadow:inset 0 3px 6px rgba(60,50,30,.18);display:grid;place-items:center;overflow:visible}
.exit i{position:absolute;left:calc(100% + var(--cell)*.08);top:50%;width:calc(var(--cell)*.26);height:calc(var(--cell)*.26);
  border:solid var(--key);border-width:calc(var(--cell)*.07) calc(var(--cell)*.07) 0 0;transform:translateY(-50%) rotate(45deg);animation:nudge 1.6s ease-in-out infinite}
@keyframes nudge{50%{left:calc(100% + var(--cell)*.2);opacity:.55}}

/* blocks */
.blk{position:absolute;left:0;top:0;padding:calc(var(--cell)*.05);border:0;background:none;margin:0;--c:#7FA38C;
  transition:transform .17s cubic-bezier(.25,1.25,.5,1);will-change:transform;touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none}
.blk::before{content:"";position:absolute;inset:calc(var(--cell)*.05);border-radius:calc(var(--cell)*.16);
  background:linear-gradient(180deg,color-mix(in srgb,var(--c) 78%,#fff),var(--c) 55%,color-mix(in srgb,var(--c) 88%,#000));
  box-shadow:inset 0 2px 0 rgba(255,255,255,.45),0 calc(var(--cell)*.05) 0 color-mix(in srgb,var(--c) 62%,#000),0 calc(var(--cell)*.09) calc(var(--cell)*.14) rgba(30,30,20,.25);
  transition:box-shadow .15s,filter .15s}
.blk.key{--c:var(--key)}
.blk .grip{position:absolute;left:50%;top:50%;width:calc(var(--cell)*.32);height:calc(var(--cell)*.16);transform:translate(-50%,-50%);
  border-top:2px solid rgba(255,255,255,.4);border-bottom:2px solid rgba(255,255,255,.4)}
.blk.v .grip{width:calc(var(--cell)*.16);height:calc(var(--cell)*.32);border:0;border-left:2px solid rgba(255,255,255,.4);border-right:2px solid rgba(255,255,255,.4)}
.blk .glyph{position:absolute;left:50%;top:50%;width:calc(var(--cell)*.62);height:calc(var(--cell)*.62);transform:translate(-50%,-50%);fill:#fff;opacity:.92;filter:drop-shadow(0 1px 0 rgba(0,0,0,.2))}
.blk.sel::before{box-shadow:0 0 0 3px var(--ink),inset 0 2px 0 rgba(255,255,255,.45),0 calc(var(--cell)*.05) 0 color-mix(in srgb,var(--c) 62%,#000),0 calc(var(--cell)*.12) calc(var(--cell)*.2) rgba(30,30,20,.3)}
.blk.drag{transition:none;z-index:3;cursor:grabbing}
.blk.drag::before{filter:brightness(1.06);box-shadow:0 0 0 3px var(--ink),0 calc(var(--cell)*.18) calc(var(--cell)*.3) rgba(30,30,20,.35)}
.blk.shake::before{animation:shake .28s}
@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.blk.v.shake::before{animation:vshake .28s}
@keyframes vshake{25%{transform:translateY(-3px)}75%{transform:translateY(3px)}}
.blk.escape{transition:transform .55s cubic-bezier(.5,0,.75,0),opacity .55s .1s;opacity:0}
.board.still .blk{transition:none}
.board.mini .blk{cursor:default}
.ghost{position:absolute;left:0;top:0;border:3px dashed var(--ink);border-radius:calc(var(--cell)*.16);pointer-events:none;opacity:.7;animation:ghost .9s ease-in-out infinite alternate}
.ghost.key{border-color:var(--key)}
@keyframes ghost{to{opacity:.25}}
.tray.solved{animation:glow 1s ease-out}
@keyframes glow{30%{box-shadow:0 0 0 6px rgba(232,162,26,.55),0 16px 34px rgba(30,30,20,.18)}}

/* the game screen: bar on top, tray in the middle, tools under it; on a wide screen, sides */
#game{display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:1fr;padding:max(.5em,env(safe-area-inset-top)) max(.6em,env(safe-area-inset-right)) max(.5em,env(safe-area-inset-bottom)) max(.6em,env(safe-area-inset-left))}
#game[hidden]{display:none!important}
.lead{display:flex;align-items:center;gap:.7em;min-width:0}
.status{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.lvl-name{font-size:1.1em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.moves{color:var(--ink-soft);font-variant-numeric:tabular-nums}
.tools{display:flex;justify-content:center;gap:1.4em;padding:.3em 0}
.felt{position:relative;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.tray{margin-right:calc(var(--cell)*.4)}
.coach{margin:0;color:var(--ink-soft);font-weight:650;text-align:center;font-size:1em;min-height:0}
.coach:empty{display:none}
#game.wide{grid-template-rows:1fr;grid-template-columns:minmax(8.5em,1fr) minmax(0,4fr) minmax(4.5em,1fr);column-gap:.6em}
#game.wide .lead{flex-direction:column;align-items:flex-start;justify-content:flex-start;padding-top:.2em}
#game.wide .tools{flex-direction:column;justify-content:center;align-items:flex-end;gap:.8em}
#game.wide .felt{min-width:0}
.fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:25}

/* home: the tray beside or above the words */
.home{flex-direction:column;align-items:center;justify-content:center;gap:1em;padding:1.2em;text-align:center}
.home.wide{flex-direction:row;gap:2.4em}
.home-art{display:flex;justify-content:center}
.home-art .tray{margin-right:calc(var(--cell)*.4)}
.home-side{display:flex;flex-direction:column;align-items:center;gap:.55em;max-width:24em}
.tagline{color:var(--ink-soft);text-shadow:none;font-size:1.1em}
.links{display:flex;gap:.4em;justify-content:center;flex-wrap:wrap}
.streak{color:var(--ink-dim);font-size:.9em;margin:0}
@media (max-height:480px){
  .home{padding:.6em 1em}
  .home-side{gap:.25em}
  .home .title{font-size:2em}
  .home .tagline{margin:0;font-size:1em}
  .home .links .link{min-height:40px;padding:.2em .5em}
  .jewel{width:46px;height:46px}
  .lvl-name{font-size:1em}
  .card .note.sub{display:none}
  .card .pill{min-height:46px;padding:.6em 2em}
  .stars{font-size:1.8em}
  .card .stats{margin:0 0 .2em}
}
@media (max-width:400px){.tools{gap:1em}}