:root{
  --felt:#14281f; --felt-2:#1c3a2c; --felt-3:#24493a;
  --bone:#f1e8d4; --tan:#c8b083;
  --ink:#1b1814; --paper:#f6f0e2;
  --amber:#f2a33a; --vermilion:#d8462a; --teal:#3fb4a2;
  --muted:#a9bdb2; --line:rgba(255,255,255,.10);
  --l1:#6cc28f; --l2:#f2a33a; --l3:#5aa9e6; --l4:#e0573b;
  --r:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%}
body{
  font-family:Commissioner,system-ui,sans-serif;color:var(--paper);
  background:radial-gradient(120% 80% at 50% 0%, var(--felt-2) 0%, var(--felt) 60%, #0d1c15 100%) fixed;
  min-height:100dvh;
  padding:calc(env(safe-area-inset-top) + 14px) calc(env(safe-area-inset-right) + 16px) calc(env(safe-area-inset-bottom) + 20px) calc(env(safe-area-inset-left) + 16px);
  -webkit-user-select:none;user-select:none;overflow-x:hidden;
}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;mix-blend-mode:overlay;z-index:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");}
.wrap{position:relative;z-index:1;width:min(100%,480px);margin:0 auto;display:flex;flex-direction:column;gap:14px}
.loading{color:var(--muted);text-align:center;margin-top:30vh}
input{-webkit-user-select:text;user-select:text}

h1,h2,h3{font-family:Fraunces,serif;margin:0;letter-spacing:-.01em}
h1{font-weight:700;font-size:clamp(28px,8vw,38px);line-height:.95}
h1 em,h2 em{font-weight:500;color:var(--amber)}
h2{font-size:26px;font-weight:700}
.tag{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:13px}
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.grow{flex:1}
.demo{font-size:12px;line-height:1.4;color:#f7d9a6;background:rgba(242,163,58,.12);border:1px solid rgba(242,163,58,.35);border-radius:10px;padding:8px 10px}

/* buttons */
button,.btn{font:600 15px Commissioner,sans-serif;color:var(--ink);background:var(--paper);border:0;border-radius:12px;
  padding:13px 14px;box-shadow:0 3px 0 #b9ab8c,0 6px 14px rgba(0,0,0,.28);cursor:pointer;text-decoration:none;
  transition:transform .08s,box-shadow .08s;display:inline-flex;align-items:center;justify-content:center;gap:6px}
button:active,.btn:active{transform:translateY(3px);box-shadow:0 0 0 #b9ab8c,0 2px 6px rgba(0,0,0,.3)}
button:disabled{opacity:.45;pointer-events:none}
.amber{background:var(--amber);box-shadow:0 3px 0 #b4741e,0 6px 14px rgba(0,0,0,.28)}
.ghost{background:transparent;color:var(--paper);box-shadow:none;border:1px solid var(--line);padding:9px 12px;font-weight:500}
.ghost:active{transform:none;background:rgba(255,255,255,.06);box-shadow:none}
.link{background:none;box-shadow:none;color:var(--amber);padding:6px 2px;font-weight:600}
.link:active{transform:none;box-shadow:none}
.back{background:none;box-shadow:none;color:var(--paper);padding:6px 6px 6px 0;font-weight:500;font-size:15px}
.back:active{transform:none;box-shadow:none;opacity:.7}

/* login */
.login{margin-top:6vh;display:flex;flex-direction:column;gap:18px}
.hero-board{display:grid;grid-template-columns:repeat(5,1fr);width:150px;aspect-ratio:1;border-radius:10px;overflow:hidden;
  box-shadow:0 0 0 6px #4a321a,0 14px 30px rgba(0,0,0,.4);transform:rotate(-4deg);margin:4px 0 10px 6px}
.hero-board span{display:grid;place-items:center;background:var(--bone);font:24px "Noto Sans Symbols 2","Apple Symbols","Segoe UI Symbol",serif;color:var(--ink)}
.hero-board span.d{background:var(--tan)}
.tabs{display:flex;background:rgba(0,0,0,.25);border-radius:12px;padding:4px;gap:4px}
.tabs button{flex:1;background:transparent;color:var(--muted);box-shadow:none;padding:10px;font-weight:600}
.tabs button.on{background:var(--paper);color:var(--ink)}
.tabs button:active{transform:none}
form{display:flex;flex-direction:column;gap:12px}
label{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
input{font:500 17px Commissioner,sans-serif;padding:13px 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(0,0,0,.25);color:var(--paper);outline:none}
input:focus{border-color:var(--amber)}
.err{color:#ffb39f;font-size:14px;min-height:20px}

/* home */
.hello{display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat{background:rgba(0,0,0,.2);border:1px solid var(--line);border-radius:12px;padding:10px}
.stat b{display:block;font:700 22px Fraunces,serif;font-variant-numeric:tabular-nums}
.stat span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.continue{display:flex;align-items:center;gap:14px;padding:14px;border-radius:16px;background:linear-gradient(135deg,#f6f0e2,#e9dcc0);color:var(--ink);
  box-shadow:0 4px 0 #b9ab8c,0 10px 24px rgba(0,0,0,.3);cursor:pointer;border:0;width:100%;text-align:left;font:inherit}
.continue:active{transform:translateY(3px);box-shadow:0 1px 0 #b9ab8c}
.continue .big{font:700 34px "Noto Sans Symbols 2","Apple Symbols",serif;width:54px;height:54px;display:grid;place-items:center;border-radius:12px;background:var(--ink);color:var(--paper)}
.continue h3{font-size:20px}
.levels{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lvl{position:relative;text-align:left;display:block;padding:14px;border-radius:16px;background:rgba(0,0,0,.22);border:1px solid var(--line);
  color:var(--paper);box-shadow:none;font:inherit;overflow:hidden}
.lvl:active{transform:scale(.98);box-shadow:none}
.lvl::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c)}
.lvl h3{font-size:19px;margin:2px 0 2px}
.lvl .pcs{font-size:12px;color:var(--muted)}
.bar{height:6px;border-radius:6px;background:rgba(255,255,255,.1);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;background:var(--c);border-radius:6px}
.lvl .num{font-size:12px;color:var(--muted);margin-top:6px;font-variant-numeric:tabular-nums}
.nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* level grid */
.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.tile{aspect-ratio:1;border-radius:12px;background:rgba(0,0,0,.22);border:1px solid var(--line);color:var(--paper);
  display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0;box-shadow:none;font:600 17px Fraunces,serif;gap:2px}
.tile:active{transform:scale(.94);box-shadow:none}
.tile small{font:500 10px Commissioner,sans-serif;color:var(--muted);font-variant-numeric:tabular-nums}
.tile.done{background:color-mix(in srgb,var(--c) 22%,transparent);border-color:color-mix(in srgb,var(--c) 60%,transparent)}
.tile.done small{color:var(--paper)}
.tile.next{border:2px solid var(--c);box-shadow:0 0 0 4px color-mix(in srgb,var(--c) 25%,transparent)}
.lvl-head{display:flex;align-items:flex-end;justify-content:space-between}
.lvl-head h2{color:var(--c)}

/* play */
.playbar{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:40px}
.timer{font:700 30px Commissioner,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.02em;text-align:right;line-height:1}
.timer small{display:block;font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-top:4px}
.timer.pen{color:#ffcf8a}
.title-mid{text-align:center;flex:1}
.title-mid h3{font-size:19px;color:var(--c)}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.meta b{color:var(--paper);font:700 18px Fraunces,serif}
.frame{padding:9px;border-radius:calc(var(--r) + 6px);background:linear-gradient(160deg,#5b3f22,#3b2814 70%);
  box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 18px 40px rgba(0,0,0,.45),0 4px 10px rgba(0,0,0,.35);
  width:min(100%, max(270px, calc(100dvh - 330px)));margin:0 auto}
.board{position:relative;aspect-ratio:1;width:100%;border-radius:var(--r);overflow:hidden;display:grid;
  grid-template-columns:repeat(5,1fr);grid-template-rows:repeat(5,1fr);touch-action:manipulation}
.sq{position:relative;background:var(--bone);cursor:pointer}
.sq.d{background:var(--tan)}
.sq .lbl{position:absolute;font-size:10px;font-weight:600;opacity:.55;color:var(--ink);pointer-events:none}
.sq .lbl.f{right:4px;bottom:2px}.sq .lbl.r{left:4px;top:2px}
.sq.sel{box-shadow:inset 0 0 0 4px var(--amber);background:#f7cf8e}
.sq.sel.d{background:#e2b56a}
.sq.tgt::after{content:"";position:absolute;inset:9%;border-radius:50%;border:4px solid var(--vermilion);opacity:.9;animation:ring 1.1s ease-in-out infinite}
.sq.hint{animation:hint .9s ease-in-out 3}
@keyframes ring{50%{transform:scale(.92);opacity:.6}}
@keyframes hint{50%{box-shadow:inset 0 0 0 5px var(--teal);background:#bfe6dd}}
.pc{position:absolute;width:20%;height:20%;display:grid;place-items:center;pointer-events:none;z-index:2;
  transition:left .26s cubic-bezier(.3,.7,.2,1),top .26s cubic-bezier(.3,.7,.2,1),transform .2s,opacity .2s}
.pc i{font-style:normal;font-family:"Noto Sans Symbols 2","Apple Symbols","Segoe UI Symbol",serif;font-size:min(13vw,62px);line-height:1;color:var(--ink);
  text-shadow:0 2px 0 rgba(255,255,255,.35),0 4px 8px rgba(0,0,0,.28)}
.board.sm .pc i{font-size:min(10vw,44px)}
.pc.lift{transform:scale(1.12);z-index:3}
.pc.gone{opacity:0;transform:scale(.4) rotate(-12deg)}
.pc.win i{animation:winpc 1.2s ease-in-out infinite}
@keyframes winpc{50%{transform:translateY(-8%) scale(1.08)}}
.board.locked{pointer-events:none}
.status{min-height:42px;font-size:15px;line-height:1.35;text-align:center;padding:0 4px}
.status.bad{color:#ffb39f}.status.good{color:#9ee6d6}
.controls{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.controls button{padding:14px 6px}
.controls .pen{font-size:11px;font-weight:700;opacity:.75}

/* bottom sheet */
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:center;
  padding:0 12px calc(env(safe-area-inset-bottom) + 12px);pointer-events:none}
.sheet[hidden]{display:none}
.sheet .card{pointer-events:auto;width:min(100%,480px);background:var(--paper);color:var(--ink);border-radius:22px;padding:18px 18px 16px;
  box-shadow:0 -10px 40px rgba(0,0,0,.45);animation:up .32s cubic-bezier(.2,.8,.2,1);max-height:78dvh;overflow:auto}
@keyframes up{from{transform:translateY(110%)}}
.sheet h2{font-style:italic;font-weight:500;font-size:34px;color:#b4741e}
.sheet .time{font:700 44px Commissioner,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.05}
.sheet .sub{font-size:14px;color:#5b5446}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 8px;border-radius:999px;background:#1b1814;color:var(--amber);margin-right:6px}
.sheet .btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.sheet button{box-shadow:0 3px 0 #b9ab8c}
.sheet .ghost{color:var(--ink);border-color:rgba(0,0,0,.15)}
.mini{width:100%;border-collapse:collapse;margin-top:10px;font-size:14px}
.mini td{padding:6px 4px;border-top:1px solid rgba(0,0,0,.08);font-variant-numeric:tabular-nums}
.mini td:last-child{text-align:right;font-weight:600}
.mini tr.me td{color:#b4741e;font-weight:700}

/* leaderboard */
.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chips button{flex:none;padding:8px 12px;font-size:13px;background:rgba(0,0,0,.22);color:var(--paper);box-shadow:none;border:1px solid var(--line)}
.chips button.on{background:var(--paper);color:var(--ink)}
.chips button:active{transform:none}
.lb{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.lb th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:left;font-weight:500;padding:6px 6px}
.lb td{padding:12px 6px;border-top:1px solid var(--line);font-size:15px}
.lb td.r{width:36px;font:700 18px Fraunces,serif;color:var(--muted)}
.lb tr.top1 td.r{color:#f2c94c}.lb tr.top2 td.r{color:#d9d9d9}.lb tr.top3 td.r{color:#d8955a}
.lb tr.me td{background:rgba(242,163,58,.14)}
.lb .num{text-align:right}
.empty{padding:30px 10px;text-align:center;color:var(--muted)}

/* tutorial */
.tut-card{background:rgba(0,0,0,.22);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.tut-card h3{font-size:21px;margin-bottom:6px}
.tut-card p{margin:0;line-height:1.5;color:#dbe5df;font-size:15px}
.dots{display:flex;gap:6px;justify-content:center}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.2)}
.dots i.on{background:var(--amber)}
.dots i.done{background:var(--teal)}
.moves{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mv{background:rgba(0,0,0,.2);border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}
.mv i{font:normal 30px "Noto Sans Symbols 2","Apple Symbols",serif;display:block}
.mv span{font-size:12px;color:var(--muted)}
ul.rules{margin:0;padding-left:18px;line-height:1.6;color:#dbe5df}

/* fixed-width clock: every digit gets the same slot, separators a narrower one */
.clock{display:inline-flex;justify-content:flex-end;white-space:nowrap}
.clock .cd{display:inline-block;width:.62em;text-align:center}
.clock .cp{display:inline-block;width:.3em;text-align:center}