/* Petit robot — Kootoapin Studio
   Un tapis de sol quadrillé, comme ceux des robots de classe.
   Chaque direction a sa couleur, sur les flèches comme dans le programme. */
:root{
  --page:#EAF0F3;
  --ink:#1D2B4F;
  --muted:#56637F;
  --mat:#DDF0E6;
  --mat-line:#B5D9C5;
  --card:#FFFFFF;
  --robot:#F5C23E;
  --gold:#F2B21B;
  --ok:#23915A;
  --err:#D2453E;
  --up:#3B78DB;
  --right:#2A9D63;
  --down:#DF7F22;
  --left:#8E58C9;
  --font-title:"Baloo 2", "Trebuchet MS", system-ui, sans-serif;
  --font-ui:"Lexend", system-ui, sans-serif;
  color-scheme:light;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-ui);
  color:var(--ink);
  background-color:var(--page);
  background-image:radial-gradient(circle, #CFDAE0 1.2px, transparent 1.4px);
  background-size:22px 22px;
  -webkit-tap-highlight-color:transparent;
  user-select:none;-webkit-user-select:none;
}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible{outline:3px solid var(--up);outline-offset:3px}
[hidden]{display:none!important}
.sprite{display:none}
.ico{width:1em;height:1em;display:block}

.app{max-width:560px;margin:0 auto;padding-inline:16px;padding-block:14px 28px}
.screen{display:flex;flex-direction:column;gap:16px}

/* ---------- choix du niveau ---------- */
.intro{display:flex;gap:14px;align-items:center}
.intro-robot{width:76px;height:76px;flex:none}
.intro h1{font-family:var(--font-title);font-weight:800;font-size:2.4rem;line-height:1;margin:0 0 4px}
.intro p{margin:0;color:var(--muted);line-height:1.45}

.level-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.level-btn{
  width:100%;aspect-ratio:1;border:3px solid var(--ink);border-radius:18px;background:var(--card);
  box-shadow:0 5px 0 var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-family:var(--font-title);font-weight:800;font-size:1.9rem;line-height:1;
  transition:transform .08s, box-shadow .08s;
}
.level-btn:active{transform:translateY(3px);box-shadow:0 2px 0 var(--ink)}
.level-btn:disabled{opacity:.4;cursor:default;box-shadow:0 5px 0 var(--ink)}
.level-btn.done{background:#FFF7DE}
.mini-stars{display:flex;gap:1px}
.mini-stars svg{width:14px;height:14px;fill:none;stroke:var(--ink);stroke-width:2}
.mini-stars svg.on{fill:var(--gold)}
.note{margin:0;font-size:.92rem;color:var(--muted);line-height:1.45}

/* ---------- barre du niveau ---------- */
.play-bar{display:flex;align-items:center;gap:10px}
.text-btn{border:0;background:none;display:flex;align-items:center;gap:6px;font-weight:600;padding:8px 4px;font-size:1rem}
.ico-back{transform:rotate(-90deg)}
.level-name{flex:1;text-align:center;font-family:var(--font-title);font-weight:800;font-size:1.4rem}
.round-btn{
  width:44px;height:44px;border-radius:50%;border:2px solid var(--ink);background:var(--gold);
  display:grid;place-items:center;font-size:22px;
}
.message{
  margin:0;min-height:3em;padding:10px 14px;border-radius:14px;background:var(--card);
  border:2px solid transparent;line-height:1.4;font-size:1rem;
}
.message.err{border-color:var(--err);color:var(--err)}
.message.ok{border-color:var(--ok);color:var(--ok)}

/* ---------- plateau ---------- */
.board{
  --cols:5;--rows:5;
  position:relative;max-width:100%;
  width:min(100%, calc(46vh * var(--cols) / var(--rows)));
  aspect-ratio:var(--cols) / var(--rows);
  margin-inline:auto;
  display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));grid-template-rows:repeat(var(--rows),minmax(0,1fr));
  background:var(--mat);border:4px solid var(--ink);border-radius:18px;overflow:hidden;
  box-shadow:0 6px 0 var(--ink);
}
.cell{min-width:0;min-height:0;border-right:1px solid var(--mat-line);border-bottom:1px solid var(--mat-line);display:grid;place-items:center}
.cell svg{width:72%;height:auto;aspect-ratio:1}
.cell.goal svg{fill:var(--gold);stroke:var(--err);stroke-width:1.6;width:70%;animation:twinkle 1.6s ease-in-out infinite}
.cell.coin.taken svg{opacity:0;transform:scale(1.6);transition:opacity .3s, transform .3s}

.robot{
  position:absolute;left:0;top:0;
  width:calc(100% / var(--cols));height:calc(100% / var(--rows));
  transform:translate(calc(var(--x) * 100%), calc(var(--y) * 100%));
  transition:transform .32s ease-in-out;
  display:grid;place-items:center;z-index:2;
}
.robot svg{width:84%;height:auto;aspect-ratio:1}
.robot.bump svg{animation:bump .4s}
.robot.win svg{animation:hop .5s ease-out 2}

/* ---------- programme ---------- */
.program-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.program-head h2{margin:0;font-family:var(--font-title);font-weight:800;font-size:1.25rem}
.slots{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.95rem}
.slots.full{color:var(--err);font-weight:600}
.program{
  list-style:none;margin:0;padding:10px;min-height:76px;
  display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start;
  background:var(--card);border:2px dashed #A9B6C9;border-radius:16px;
}
.program:empty::before{content:"Ton programme est vide : ajoute des flèches.";color:var(--muted);font-size:.95rem;align-self:center;padding-left:4px}

.block{
  position:relative;width:52px;height:52px;border-radius:14px;border:0;color:#fff;
  display:grid;place-items:center;font-size:26px;
  box-shadow:inset 0 -4px 0 rgba(0,0,0,.22);
}
.block .count{
  position:absolute;right:-6px;top:-8px;min-width:24px;height:24px;padding:0 5px;border-radius:12px;
  background:var(--ink);color:#fff;font-size:.8rem;font-weight:600;line-height:24px;text-align:center;
}
.block.active{outline:4px solid var(--ink);outline-offset:2px}
.block.bad{outline:4px solid var(--err);outline-offset:2px;animation:bump .4s}
.block.loopable{cursor:pointer}
.block:not(.loopable){cursor:default}

/* couleurs et sens des flèches */
.dir-U{background:var(--up)}
.dir-R{background:var(--right)}
.dir-D{background:var(--down)}
.dir-L{background:var(--left)}
.dir-R .ico{transform:rotate(90deg)}
.dir-D .ico{transform:rotate(180deg)}
.dir-L .ico{transform:rotate(-90deg)}

.palette{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.cmd{
  height:70px;border:3px solid var(--ink);border-radius:18px;color:#fff;font-size:34px;
  display:grid;place-items:center;box-shadow:0 5px 0 var(--ink);transition:transform .08s, box-shadow .08s;
}
.cmd:active{transform:translateY(3px);box-shadow:0 2px 0 var(--ink)}
.cmd:disabled{opacity:.5;cursor:default}

.actions{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:10px}
.btn{
  border:3px solid var(--ink);border-radius:16px;padding:14px 10px;font-weight:600;font-size:1.05rem;
  box-shadow:0 4px 0 var(--ink);transition:transform .08s, box-shadow .08s;
}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--ink)}
.btn:disabled{opacity:.5;cursor:default}
.btn-light{background:var(--card)}
.btn-run{background:var(--right);color:#fff;font-family:var(--font-title);font-weight:800;font-size:1.3rem}

/* ---------- fin de niveau ---------- */
.result{
  position:fixed;inset:0;z-index:20;background:rgba(29,43,79,.55);
  display:grid;place-items:center;padding:16px;
}
.result-card{
  width:100%;max-width:340px;background:var(--card);border:4px solid var(--ink);border-radius:24px;
  box-shadow:0 8px 0 var(--ink);padding:24px 20px;text-align:center;display:flex;flex-direction:column;gap:12px;
}
.result-card h2{margin:0;font-family:var(--font-title);font-weight:800;font-size:2.2rem;line-height:1.1}
.result-card p{margin:0;color:var(--muted)}
.result-stars{display:flex;justify-content:center;gap:6px}
.result-stars svg{width:48px;height:48px;fill:none;stroke:var(--ink);stroke-width:1.6}
.result-stars svg.on{fill:var(--gold);animation:pop .4s ease-out backwards}
.result-stars svg:nth-child(2){animation-delay:.15s}
.result-stars svg:nth-child(3){animation-delay:.3s}
.result-actions{display:grid;gap:10px}

@keyframes bump{0%,100%{transform:translateX(0)}25%{transform:translateX(-10%)}75%{transform:translateX(10%)}}
@keyframes hop{0%,100%{transform:translateY(0)}50%{transform:translateY(-22%)}}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.12)}100%{transform:scale(1)}}
@keyframes twinkle{0%,100%{transform:scale(1)}50%{transform:scale(.88)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

@media (max-width:380px){
  .level-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .block{width:46px;height:46px;font-size:22px}
}