/* Chemin Secret — styles (clair/sombre, iPhone plein écran, iPad, ordinateur) */
:root{--bg:#f3f1e7;--bg2:#dfeedd;--surface:#fffdf6;--ink:#1b2e29;--muted:#5b6a64;--line:#e2dccb;--accent:#1f7a63;--accent-deep:#135441;--gold:#f2b92c;--board:#1f5c4d;--cell:#f4f0e2;--cell-edge:#d9d2bb;--rock:#56605f;--star:#f2b92c;--moon:#5b6cf0;--dot:#1aa392;--nodot:#d9cfc9;--gem:#16a3c4;--bad:#e0515e;--start:#1e9e6a;--end:#d6336c;--shadow:0 12px 30px rgba(27,46,41,.14);
--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);
--round:ui-rounded,"SF Pro Rounded","Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0f1f1b;--bg2:#17362d;--surface:#16302a;--ink:#eef3ee;--muted:#a6b8b0;--line:#27463d;--accent:#3fbf96;--board:#0b2a22;--cell:#e9e4d2;--shadow:0 12px 30px rgba(0,0,0,.4);color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;min-height:100vh;min-height:100dvh;background:var(--bg);background-image:radial-gradient(48rem 26rem at 108% -10%,var(--bg2),transparent 62%),radial-gradient(34rem 22rem at -18% 108%,color-mix(in srgb,var(--gold) 14%,transparent),transparent 65%);background-attachment:fixed;color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;touch-action:manipulation}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
[hidden]{display:none!important}
.shell{max-width:1120px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:calc(8px + var(--safe-top)) calc(16px + var(--safe-right)) calc(10px + var(--safe-bottom)) calc(16px + var(--safe-left))}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px}
.brand{display:flex;align-items:center;gap:7px;background:none;border:0;padding:4px 6px 4px 0;font:800 1.35rem/1 var(--round);letter-spacing:-.03em;color:var(--ink);white-space:nowrap}
.brand b{color:var(--accent)}
.brand img{width:42px;height:42px}
nav{display:flex;gap:8px}
.icon-button{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font:800 1.1rem/1 var(--round);box-shadow:0 3px 10px rgba(27,46,41,.06)}
.icon-button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
main{flex:1;display:flex;flex-direction:column;min-height:0}
footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;color:var(--muted);font-size:.8rem;padding-top:14px}
footer p{margin:0}
.loading{margin:auto;color:var(--muted);font-weight:700}
.warning{background:#fff4d6;color:#6b4a00;border-radius:12px;padding:10px 14px;margin:6px 0}
/* Accueil */
#home{display:grid;gap:18px 44px;align-items:start;padding:8px 0 6px}
.eyebrow{margin:0 0 6px;font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
#hero-title{font:800 clamp(2.3rem,9vw,4rem)/1 var(--round);letter-spacing:-.04em;margin:0 0 12px}
#hero-title em{font-style:normal;color:var(--accent);background:linear-gradient(transparent 62%,color-mix(in srgb,var(--gold) 55%,transparent) 62%)}
.intro{margin:0;color:var(--muted);max-width:32rem;font-size:1.02rem}
.hero-art{margin:22px 0 4px}
.hero-art img{width:130px;height:auto;filter:drop-shadow(0 12px 18px rgba(27,46,41,.22));transform:rotate(-6deg)}
.setup{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow);display:grid;gap:14px}
.field h2{font:800 .8rem/1 var(--round);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.modes{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.mode{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;text-align:left;border:2px solid var(--line);background:var(--bg);border-radius:18px;padding:10px 12px;min-height:64px}
.mode .m-ico{grid-row:span 2;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--surface);font:800 1.05rem/1 var(--round);color:var(--accent)}
.mode strong{font:800 1rem/1.1 var(--round)}
.mode small{color:var(--muted);font-size:.74rem;line-height:1.2}
.mode[aria-checked=true]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--surface))}
.mode[aria-checked=true] .m-ico{background:var(--accent);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{border:2px solid var(--line);background:var(--bg);border-radius:999px;padding:8px 14px;font-weight:700;min-height:42px}
.chip-btn[aria-checked=true]{border-color:var(--ink);background:var(--ink);color:var(--bg)}
.setup-note{margin:0;min-height:1.2em;color:var(--muted);font-size:.9rem}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.primary,.secondary,.danger{border-radius:16px;padding:13px 22px;font:800 1.06rem/1.1 var(--round);border:2px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px}
.primary{background:var(--accent);color:#fff;box-shadow:0 7px 0 -2px var(--accent-deep),0 12px 22px color-mix(in srgb,var(--accent) 30%,transparent);transition:transform .12s}
.primary:active{transform:translateY(3px)}
.secondary{background:var(--surface);border-color:var(--line)}
.danger{background:none;border-color:var(--bad);color:var(--bad);margin-top:10px}
.small{min-height:44px;padding:8px 13px;font-size:.93rem;border-radius:13px}
#play{flex:1 1 200px}
/* Sélection des niveaux */
#levels{padding:6px 0}
.levels-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.levels-top h1{font:800 1.5rem/1.1 var(--round);margin:0}
.band h2{font:800 .85rem/1 var(--round);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:18px 0 8px}
.band-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(62px,1fr));gap:8px}
.lvl{aspect-ratio:1;border-radius:16px;border:2px solid var(--line);background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font:800 1.15rem/1 var(--round);padding:0}
.lvl small{font-size:.66rem;letter-spacing:1px;color:var(--gold)}
.lvl.done{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.lvl.current{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}
.lvl[disabled]{opacity:.45;cursor:default}
.lvl[disabled]::after{content:"🔒";font-size:.7rem}
/* Partie */
#game{flex:1;display:flex;flex-direction:column;gap:10px;min-height:0;padding-top:4px;width:100%;max-width:720px;margin:0 auto}
.hud{display:grid;gap:6px}
.title-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.title-row h1{font:800 1.35rem/1.1 var(--round);margin:0}
.timer{font:800 1.1rem/1 var(--round);font-variant-numeric:tabular-nums;color:var(--muted)}
.timer.warn{color:var(--bad)}
.rules{display:flex;flex-wrap:wrap;gap:6px}
.rule{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 11px 5px 6px;font-weight:700;font-size:.88rem}
.rule i{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:.8rem;background:var(--accent);color:#fff}
.rule.counter{background:var(--ink);color:var(--bg);border-color:var(--ink);padding-left:11px;font-variant-numeric:tabular-nums}
.status{margin:0;min-height:1.35em;font-weight:700;font-size:.92rem;color:var(--muted)}
.status.bad{color:var(--bad)}.status.good{color:var(--accent)}
.board-wrap{flex:1;min-height:0;container-type:size;display:flex;align-items:center;justify-content:center;position:relative}
.board{--gap:clamp(4px,1.4cqmin,8px);position:relative;width:min(100cqi,100cqh);aspect-ratio:1;display:grid;grid-template-columns:repeat(var(--n),1fr);gap:var(--gap);padding:calc(var(--gap) * 1.6);background:var(--board);border-radius:26px;box-shadow:var(--shadow),inset 0 0 0 2px rgba(255,255,255,.06);touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.cell{position:relative;border-radius:22%;background:var(--cell);box-shadow:inset 0 -3px 0 var(--cell-edge);display:grid;place-items:center;container-type:size;transition:transform .12s}
.cell svg{width:62%;height:62%}
.cell.wall{background:var(--rock);box-shadow:inset 0 -4px 0 rgba(0,0,0,.25),inset 0 3px 0 rgba(255,255,255,.12)}
.cell.wall::before{content:"";width:46%;height:30%;border-radius:40%;background:rgba(255,255,255,.14);transform:translate(-12%,-40%)}
.cell.a{background:color-mix(in srgb,var(--star) 22%,var(--cell))}
.cell.b{background:color-mix(in srgb,var(--moon) 20%,var(--cell))}
.cell.c{background:color-mix(in srgb,var(--dot) 26%,var(--cell));background-image:radial-gradient(circle,color-mix(in srgb,var(--dot) 70%,transparent) 11%,transparent 13%);background-size:33.3% 33.3%}
.cell.d{background:var(--nodot);box-shadow:inset 0 -3px 0 #c3b7b0}
.cell .num{font:800 46cqh/1 var(--round);color:#1b2e29;background:#fff;border:3px solid #1b2e29;border-radius:50%;width:72%;height:72%;display:grid;place-items:center;font-variant-numeric:tabular-nums;box-sizing:border-box}
.cell .num.two{font-size:34cqh;letter-spacing:-.04em}
.cell .num.done{background:var(--gold);border-color:var(--gold)}
.cell .gem svg{width:100%;height:100%}
.cell .gem{width:56%;height:56%;display:grid}
.cell.visited{box-shadow:inset 0 0 0 4px color-mix(in srgb,var(--gold) 80%,transparent),inset 0 -3px 0 var(--cell-edge)}
/* Départ : cadre plein vert ; arrivée : cadre pointillé framboise. Le contenu de la case reste visible. */
.cell.start::after,.cell.end::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-sizing:border-box;border:max(3px,9cqh) solid var(--start)}
.cell.start::after{box-shadow:inset 0 0 0 max(1.5px,3cqh) #fff}
.cell.end::after{border-style:dashed;border-color:var(--end);border-width:max(3px,9cqh)}
.legend .cell.start::after,.legend .cell.end::after{border-width:4px}
.cell.reject{animation:reject .35s}
.cell.hint{animation:hint 1s ease-in-out 3}
@keyframes reject{0%,100%{transform:none;filter:none}30%{transform:scale(.9);filter:brightness(.85) sepia(1) hue-rotate(-40deg) saturate(4)}}
@keyframes hint{50%{box-shadow:inset 0 0 0 5px var(--gold),0 0 16px var(--gold)}}
.trail{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.trail .line{fill:none;stroke:var(--gold);stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 3px rgba(0,0,0,.3))}
.trail .head{fill:none;stroke:#fff;filter:drop-shadow(0 1px 2px rgba(0,0,0,.35))}
.trail .badge circle{fill:var(--gold);stroke:#1b2e29}
.trail .badge text{fill:#1b2e29;font-family:var(--round);font-weight:800;text-anchor:middle}
.board.won .trail .line{animation:glow 1s ease-in-out 2}
.board.won .cell.visited{animation:hop .45s ease both;animation-delay:calc(var(--k) * 30ms)}
@keyframes glow{50%{stroke:#fff}}
@keyframes hop{50%{transform:translateY(-10%) scale(1.06)}}
.win-layer{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.win-card{pointer-events:auto;background:color-mix(in srgb,var(--surface) 94%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:24px;padding:16px 18px;box-shadow:0 20px 50px rgba(0,0,0,.25);text-align:center;width:min(340px,92%);animation:rise .35s ease}
@keyframes rise{from{transform:translateY(20px);opacity:0}}
.win-card h2{font:800 1.5rem/1.1 var(--round);margin:4px 0}
.win-card p{margin:4px 0 10px;color:var(--muted);white-space:pre-line}
.stars{font-size:2.1rem;letter-spacing:4px;color:var(--line)}
.stars b{color:var(--gold);display:inline-block;animation:starpop .4s both}
.stars b:nth-child(2){animation-delay:.12s}.stars b:nth-child(3){animation-delay:.24s}
@keyframes starpop{0%{transform:scale(0)}70%{transform:scale(1.3)}}
.win-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.win-actions button{flex:1 1 120px}
.footbar{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;flex-wrap:wrap}
/* Dialogues */
dialog{border:0;border-radius:26px;padding:20px;max-width:min(460px,calc(100vw - 32px));width:100%;background:var(--surface);color:var(--ink);box-shadow:0 30px 70px rgba(8,20,16,.35);max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - 32px);overscroll-behavior:contain}
dialog::backdrop{background:rgba(8,20,16,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
dialog h2{font:800 1.4rem/1.1 var(--round);margin:0}
.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.help-list{padding-left:1.3em;margin:0 0 10px}.help-list li{margin:5px 0}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:10px 0}
.legend div{display:flex;align-items:center;gap:8px;font-size:.86rem}
.legend .cell{width:34px;height:34px;flex:0 0 34px}
.help-score{background:color-mix(in srgb,var(--gold) 16%,var(--surface));border-radius:14px;padding:10px 12px;font-weight:600}
.muted{color:var(--muted);font-size:.88rem}
.setting{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.setting input{width:22px;height:22px;accent-color:var(--accent)}
.setting select{border:1px solid var(--line);border-radius:10px;padding:6px 8px;background:var(--bg)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.stats-grid div{background:var(--bg);border-radius:14px;padding:10px;text-align:center}
.stats-grid strong{display:block;font:800 1.5rem/1.1 var(--round)}
.stats-grid span{font-size:.78rem;color:var(--muted)}
.result-dialog{text-align:center}
.result-logo{display:block;margin:0 auto 4px}
.result-score{margin:8px 0}.result-score strong{display:block;font:800 3rem/1 var(--round);font-variant-numeric:tabular-nums}
.result-score span{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.result-detail{color:var(--muted);margin:6px 0 14px;white-space:pre-line}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.result-actions button{flex:1 1 130px}
#confirm-dialog p{color:var(--muted)}
/* ===== Mise en page adaptative ===== */
@media (min-width:900px){#home{grid-template-columns:1fr 1fr;padding-top:36px}}
@media (max-width:420px){.modes{grid-template-columns:1fr 1fr}.mode{padding:9px 10px;column-gap:8px}.mode .m-ico{width:30px;height:30px}.mode small{font-size:.7rem}.setup{padding:14px;border-radius:24px}.small{padding:8px 10px;font-size:.88rem}}
@media (max-width:400px){.brand{font-size:1.2rem}.brand img{width:38px;height:38px}nav{gap:6px}}
@media (max-width:380px),(max-height:620px) and (orientation:portrait){.footbar .small span[data-i18n]{display:none}.footbar .small{min-width:56px;font-size:1.15rem}.rules{gap:4px}.rule{font-size:.78rem;padding:3px 8px 3px 4px}.rule i{width:18px;height:18px;font-size:.7rem}.status{font-size:.82rem}.title-row h1{font-size:1.1rem}}
@media (max-width:360px){.brand{font-size:1.02rem;gap:5px}.brand img{width:32px;height:32px}.icon-button{width:36px;height:36px}.mode small{display:none}.mode{min-height:50px}.rule{font-size:.8rem}.small{padding:7px 8px;font-size:.82rem;min-height:40px}}
body[data-screen=game]{overflow:hidden;position:fixed;inset:0}
body[data-screen=game] .shell{height:100vh;height:100dvh}
body[data-screen=game] footer{display:none}
@media (max-height:700px) and (orientation:portrait){body[data-screen=game] .top{min-height:44px}body[data-screen=game] .icon-button{width:38px;height:38px}#game{gap:7px}.title-row h1{font-size:1.15rem}.rule{padding:3px 9px 3px 5px;font-size:.8rem}.footbar{min-height:46px}}
@media (orientation:landscape) and (max-height:540px){body[data-screen=game] .top{display:none}#game{display:grid;grid-template-columns:minmax(210px,38%) 1fr;grid-template-rows:auto 1fr;grid-template-areas:"hud board" "foot board";column-gap:16px;max-width:none}.hud{grid-area:hud}.board-wrap{grid-area:board}.footbar{grid-area:foot;align-self:end;justify-content:flex-start}#home{grid-template-columns:1fr 1fr}.hero-art{display:none}}
@media (orientation:landscape) and (min-width:900px) and (min-height:541px){#game{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,320px);grid-template-rows:auto 1fr;grid-template-areas:"board hud" "board foot";column-gap:28px;max-width:1080px}.hud{grid-area:hud}.board-wrap{grid-area:board}.footbar{grid-area:foot;align-self:start;justify-content:flex-start}}
@media (min-width:1000px) and (min-height:760px){body[data-screen=game] .shell{padding-top:calc(18px + var(--safe-top));padding-bottom:28px}}
@media (display-mode:standalone){body{background-attachment:scroll}}
@media (hover:hover){.mode:hover,.chip-btn:hover,.lvl:not([disabled]):hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--line))}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
body.no-anim *,body.no-anim *::before,body.no-anim *::after{animation:none!important;transition:none!important}