/* 미로 생성기 — '미로 작업대'. 작업면 폭 컨테이너 mzw: 780px 이상이면 [보드 + 지표 | 옆 칸 252px], 그 아래는 보드 → 지표 → 설정(2열 → 520px 아래 1열) */
.mz-work{container:mzw/inline-size;overflow:hidden}
.mz-work [hidden]{display:none !important}
.mz-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.mz-in{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"stage" "stats" "side"}

/* 보드 */
.mz-stage{grid-area:stage;min-width:0;padding:16px 18px 0}
.mz-board{position:relative;border-radius:var(--radius);outline:0;-webkit-tap-highlight-color:transparent}
.mz-board:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mz-svg{display:block;width:100%;height:auto;max-height:min(78vh,880px);overflow:visible}
.mz-walls,.mz-out{fill:none;stroke:var(--ink);stroke-width:var(--mz-ww,2px);vector-effect:non-scaling-stroke;stroke-linecap:square;stroke-linejoin:miter;transition:opacity .35s ease}
.mz-out{opacity:0}
.is-anim .mz-out{opacity:1}
.mz-anim{opacity:0;transition:opacity .4s ease}
.is-anim .mz-anim{opacity:1}
.mz-anim path{fill:none;stroke:color-mix(in srgb,var(--accent) 30%,var(--paper));stroke-width:.62;stroke-linecap:round;stroke-linejoin:round}
.mz-head{fill:var(--accent)}
.mz-sol{fill:none;stroke:var(--accent);stroke-width:.3;stroke-linecap:round;stroke-linejoin:round;opacity:.9}
.mz-trail{fill:none;stroke:var(--ink);stroke-opacity:.55;stroke-width:.24;stroke-linecap:round;stroke-linejoin:round}
.mz-s,.mz-t{fill:var(--ink)}
.mz-me{fill:var(--accent);stroke:var(--ink);stroke-width:.09;transition:transform 90ms ease-out}
.is-reduce .mz-me{transition:none}
.is-play .mz-board{touch-action:none;cursor:pointer}

.mz-ctl{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:12px 0 0}
.mz-ctl .v2-btn .i{width:14px;height:14px}
.mz-ctl #mzPlay.is-on{background:var(--fill);border-color:var(--fill);color:var(--on-fill)}
.mz-clock{margin-left:auto;font-family:var(--sans);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums lining-nums;color:var(--ink);white-space:nowrap}
.mz-fullb{width:32px;padding:0;justify-content:center}
.mz-msg{margin:8px 0 0;font-size:12.5px;line-height:1.5;color:var(--ink)}
.mz-msg:empty,.mz-err:empty{margin:0}

/* 지표: 숫자 4칸 + 막다른 길 비율 눈금 */
.mz-stats{grid-area:stats;min-width:0;padding:14px 18px 6px}
.mz-nums{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;border-top:1px solid var(--soft)}
.mz-nums > div{min-width:0;padding:10px 10px 0 0}
.mz-nums > div + div{padding-left:12px;border-left:1px solid var(--soft)}
.mz-nums dt{font-family:var(--sans);font-size:11.5px;font-weight:600;color:var(--muted)}
.mz-nums dd{display:flex;flex-direction:column;margin:3px 0 0}
.mz-nums b{font-family:var(--sans);font-size:21px;font-weight:800;line-height:1.25;letter-spacing:-.02em;font-variant-numeric:tabular-nums lining-nums;color:var(--ink)}
.mz-nums b .mz-u{font-size:13px;font-weight:700;letter-spacing:0}
.mz-nums b.mz-id{font-family:var(--mono);font-size:18px;letter-spacing:0;line-height:1.35}
.mz-nums span{font-family:var(--sans);font-size:12px;line-height:1.45;color:var(--muted)}
.mz-gauge{margin:16px 0 0}
.mz-gl{margin:0 0 30px;font-family:var(--sans);font-size:11.5px;font-weight:600;color:var(--muted)}
.mz-track{position:relative;height:6px;margin:0 0 48px;border-radius:3px;background:linear-gradient(90deg,var(--wash),color-mix(in srgb,var(--accent) 26%,var(--wash)))}
.mz-tk{position:absolute;top:-4px;width:2px;height:14px;margin-left:-1px;background:var(--line);transition:left .5s ease}
.mz-tk span{position:absolute;left:50%;transform:translateX(-50%);font-family:var(--sans);font-size:11px;font-style:normal;color:var(--muted);white-space:nowrap}
.mz-tk--lo span{top:19px}
.mz-tk--hi span{top:34px}
.mz-tk.is-on{background:var(--ink)}
.mz-tk.is-on span{font-weight:700;color:var(--ink)}
.mz-pin{position:absolute;top:50%;width:14px;height:14px;margin:-7px 0 0 -7px;border:2px solid var(--paper);border-radius:50%;background:var(--accent);box-shadow:0 0 0 1px var(--accent);transition:left .6s cubic-bezier(.3,.7,.3,1)}
.mz-pin span{position:absolute;bottom:17px;left:50%;transform:translateX(-50%);font-family:var(--sans);font-size:12px;font-weight:700;color:var(--accent);white-space:nowrap}
.is-reduce .mz-pin,.is-reduce .mz-tk{transition:none}

/* 설정 칸 */
.mz-side{grid-area:side;min-width:0;display:grid;grid-template-columns:minmax(0,1fr);gap:14px;align-content:start;padding:16px 18px 18px;border-top:1px solid var(--soft)}
.mz-grp > .v2-label{display:block;margin:0 0 6px}
.mz-chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.mz-chips button,.mz-opts button{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:1px;min-width:0;border:1px solid var(--soft);border-radius:var(--radius);background:var(--paper);color:var(--ink);text-align:left;transition:background var(--ease),border-color var(--ease),color var(--ease)}
.mz-chips button{min-height:var(--v2-ctl);padding:4px 9px}
.mz-chips b,.mz-opts b{font-family:var(--sans);font-size:12.5px;font-weight:700;line-height:1.3}
.mz-chips small,.mz-opts small{font-family:var(--sans);font-size:11px;line-height:1.35;color:var(--muted);font-variant-numeric:tabular-nums}
.mz-chips button:hover,.mz-opts button:hover{border-color:var(--line);background:var(--btn)}
.mz-chips button[aria-pressed="true"],.mz-opts button[aria-pressed="true"]{background:var(--fill);border-color:var(--fill);color:var(--on-fill)}
.mz-chips button[aria-pressed="true"] small,.mz-opts button[aria-pressed="true"] small{color:var(--on-fill);opacity:.78}
.mz-shape,.mz-ends{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.mz-ends{grid-template-columns:repeat(2,minmax(0,1fr))}
.mz-shape button,.mz-ends button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:0;height:var(--v2-ctl);padding:0 6px}
.mz-shape button{flex-direction:column;gap:2px;padding:0 4px;font-size:11.5px;line-height:1.2}
.mz-shape .i{flex:none;width:16px;height:16px}
.mz-size{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 10px;align-items:end}
.mz-size:has(#mzHf[hidden]) #mzWf{grid-column:1/-1}
.mz-err{grid-column:1/-1;margin:6px 0 0;font-family:var(--sans);font-size:12px;line-height:1.5;color:var(--accent)}
.mz-opts{display:grid;gap:6px}
.mz-opts button{padding:7px 10px}
.mz-opts b{font-size:13px}
.mz-new{justify-content:center;width:100%}
.mz-outs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:0 0 10px}
.mz-outs .v2-btn{justify-content:center;min-width:0;padding:0 8px}

/* 넓은 한 열: 설정을 2열로 */
@container mzw (min-width:520px) and (max-width:779px){
  .mz-side{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:"pre pre" "shape ends" "size new" "algo algo" "out out";gap:14px 18px}
  .mz-pre{grid-area:pre} .mz-shg{grid-area:shape} .mz-eng{grid-area:ends} .mz-size{grid-area:size} .mz-newg{grid-area:new;align-self:end} .mz-alg{grid-area:algo} .mz-outg{grid-area:out}
  .mz-chips{grid-template-columns:repeat(6,minmax(0,1fr))}
  .mz-opts{grid-template-columns:repeat(3,minmax(0,1fr))}
  .mz-outg{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
  .mz-outg > .v2-label{flex:1 1 100%;margin:0}
  .mz-outs{grid-template-columns:repeat(4,minmax(0,1fr));flex:1 1 440px;margin:0}
}
/* 옆 칸 두 열 */
@container mzw (min-width:780px){
  .mz-in{grid-template-columns:minmax(0,1fr) 252px;grid-template-areas:"stage side" "stats side";grid-template-rows:auto 1fr}
  .mz-side{border-top:0;border-left:1px solid var(--soft);padding:16px}
  .mz-chips.is-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mz-stage{padding-right:16px}
  .mz-stats{padding-right:16px}
}
@container mzw (max-width:519px){
  .mz-stage{padding:12px 12px 0}
  .mz-stats{padding:12px 12px 4px}
  .mz-side{padding:14px 12px 16px}
  .mz-nums{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mz-nums > div:nth-child(3){padding-left:0;border-left:0}
  .mz-nums > div:nth-child(n+3){margin-top:10px;border-top:1px solid var(--soft)}
}

/* 전체 화면: 보드 칸만 크게 */
.mz-stage:fullscreen,.mz-stage.is-full{display:flex;flex-direction:column;justify-content:center;padding:3vmin 4vmin;background:var(--paper);overflow:auto}
.mz-stage.is-full{position:fixed;inset:0;z-index:2147483000}
.mz-stage:fullscreen .mz-svg,.mz-stage.is-full .mz-svg{max-height:calc(100vh - 120px);max-height:calc(100dvh - 120px)}
.mz-stage:fullscreen .mz-ctl,.mz-stage.is-full .mz-ctl{width:min(100%,960px);margin:0 auto}
.mz-stage:fullscreen .mz-msg,.mz-stage.is-full .mz-msg{text-align:center}
html.mz-noscroll{overflow:hidden}

/* 인쇄: 미로 한 쪽(+ 해답 쪽) */
.mz-print{display:none}
@media print{
  body.mz-printing > *:not(#mzPrintRoot){display:none !important}
  body.mz-printing{margin:0;background:#fff !important}
  body.mz-printing #mzPrintRoot{display:block}
  #mzPrintRoot section{break-after:page;font-family:-apple-system,"Apple SD Gothic Neo","Malgun Gothic","Hiragino Sans","Yu Gothic","Segoe UI",sans-serif;color:#000}
  #mzPrintRoot section:last-child{break-after:auto}
  #mzPrintRoot header{display:flex;flex-wrap:wrap;align-items:baseline;gap:4pt 12pt;margin:0 0 5mm;font-size:10.5pt}
  #mzPrintRoot header b{font-size:15pt}
  #mzPrintRoot header em{margin-left:auto;font-style:normal}
  #mzPrintRoot .mz-pfig svg{display:block;width:100%;height:auto;margin:0 auto}
  #mzPrintRoot footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2pt 10pt;margin-top:4mm;font-size:8.5pt;color:#444}
}