:root{
  --bg:#E3E6E8; --surface:#F7F8F9; --ink:#05131D; --muted:#56606A; --line:#C6CCD1;
  --accent:#F2CD37; --accent-ink:#05131D; --blue:#0055BF; --chip:#EDEFF1; --green:#237841; --red:#C91A09;
  --font:"Bricolage Grotesque", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#1E2226; --surface:#2A2F34; --ink:#EEF1F3; --muted:#A3ACB4; --line:#3D444B;
    --blue:#6FA3E6; --chip:#343A40; --green:#4B9F4A; --red:#FF6B5B;
  }
}
:root[data-theme="dark"]{
  --bg:#1E2226; --surface:#2A2F34; --ink:#EEF1F3; --muted:#A3ACB4; --line:#3D444B;
  --blue:#6FA3E6; --chip:#343A40; --green:#4B9F4A; --red:#FF6B5B;
}
*,*::before,*::after{box-sizing:inherit}
[hidden]{display:none!important}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.wrap{max-width:1280px;margin:0 auto;padding:14px clamp(12px,3vw,32px) 48px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* En-tête */
header.top{display:flex;align-items:center;gap:14px;padding:4px 0 18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{width:40px;height:40px;flex:none}
.title{display:block;font-size:clamp(1.3rem,3.6vw,1.75rem);font-weight:800;letter-spacing:-.02em;line-height:1}
.tagline{display:block;color:var(--muted);font-size:.9rem;margin-top:3px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 14px;border-radius:999px;text-decoration:none;color:var(--muted);font-weight:600}
.nav a[aria-current="page"]{background:var(--surface);color:var(--ink);box-shadow:inset 0 -3px 0 var(--accent)}
h1{font-size:clamp(1.6rem,4.4vw,2.4rem);font-weight:800;letter-spacing:-.025em;line-height:1.05;margin:0}
h2{font-size:1.02rem;font-weight:800;margin:0 0 10px;letter-spacing:-.005em}
.sub{margin:6px 0 0;color:var(--muted);max-width:60ch}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:6px;padding:10px 14px;font-weight:600;cursor:pointer;background:var(--chip);border:1px solid var(--line);text-decoration:none;color:inherit;white-space:nowrap}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.danger{color:var(--red)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btnrow{display:flex;flex-wrap:wrap;gap:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);background:var(--chip);border-radius:999px;padding:6px 12px;cursor:pointer;font-size:.9rem;font-variant-numeric:tabular-nums}
.chip[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}

/* Connexion */
.login{max-width:380px;margin:8vh auto 0;background:var(--surface);padding:28px;border-radius:6px}
.login form{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.login input{padding:11px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}
.err{color:var(--red);min-height:1.3em;margin:0;font-size:.92rem}

/* Le mur */
.wallhead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:36px 26px;background:var(--surface);padding:clamp(20px,4vw,44px);border-radius:6px;align-items:end}
.piece{display:flex;flex-direction:column;align-items:center;gap:14px;text-decoration:none;color:inherit}
.piece .frame{width:100%}
.piece img{display:block;width:100%;height:auto}
.cap{width:100%;text-align:center}
.cap b{display:block;font-weight:800;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cap span{color:var(--muted);font-size:.86rem;font-variant-numeric:tabular-nums}
.bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:var(--accent)}
.bar i.full{background:var(--green)}
.emptywall{grid-column:1/-1;text-align:center;padding:40px 10px;color:var(--muted)}
.emptywall strong{display:block;color:var(--ink);font-size:1.2rem;margin-bottom:6px}

/* Cadres */
.frame{padding:clamp(9px,2.4vw,20px);border-radius:2px;box-shadow:0 18px 30px -18px rgba(0,0,0,.55),0 2px 4px rgba(0,0,0,.2);max-width:100%;transition:background .25s}
.frame[data-frame="black"]{background:linear-gradient(145deg,#2b2b2b,#0d0d0d)}
.frame[data-frame="white"]{background:linear-gradient(145deg,#ffffff,#dcdcdc)}
.frame[data-frame="oak"]{background:repeating-linear-gradient(92deg,#b8894f 0 7px,#a8793f 7px 11px,#c29558 11px 19px,#9f7038 19px 22px)}
.mat{background:#f4f4f1;padding:clamp(7px,2vw,16px);box-shadow:inset 0 2px 5px rgba(0,0,0,.25)}
.frame[data-frame="white"] .mat{background:#1a1a1a}
.gallery .frame{padding:clamp(7px,1.4vw,12px)}
.gallery .mat{padding:clamp(5px,1.2vw,10px)}

/* Éditeur */
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar .name{flex:1 1 12em;min-width:0;font-size:1.3rem;font-weight:800;letter-spacing:-.015em;border:0;border-bottom:2px solid var(--line);background:transparent;padding:6px 2px;border-radius:0}
.toolbar .name:focus{border-bottom-color:var(--accent);outline:none}
.status{color:var(--muted);font-size:.88rem}
.layout{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media (min-width:920px){
  .layout{grid-template-columns:minmax(0,1fr) 410px;align-items:start}
  .stage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px)}
}
.stage{display:flex;flex-direction:column;gap:12px}
.wall{background:var(--surface);border-radius:6px;padding:clamp(16px,4vw,40px);display:flex;justify-content:center;align-items:center;min-height:320px}
#preview{display:block;max-width:100%;height:auto;touch-action:manipulation;cursor:crosshair}
.drop{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;border:2px dashed var(--line);border-radius:6px;padding:40px 20px;width:100%;max-width:520px;cursor:pointer}
.drop.over{border-color:var(--blue)}
.drop strong{font-size:1.25rem;font-weight:800;letter-spacing:-.01em}
.drop span{color:var(--muted);max-width:34ch}
.studrow{display:flex;gap:6px}
.studrow i{width:22px;height:22px;border-radius:50%;box-shadow:inset -2px -3px 0 rgba(0,0,0,.2),inset 2px 2px 0 rgba(255,255,255,.35)}
.stagebar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.readout{color:var(--muted);font-size:.9rem;min-height:1.4em;font-variant-numeric:tabular-nums}
.readout b{color:var(--ink);font-weight:600}
.sw{display:inline-block;width:.9em;height:.9em;border-radius:50%;vertical-align:-.1em;margin-right:4px;border:1px solid rgba(0,0,0,.25)}

.panel{background:var(--surface);border-radius:6px;overflow:hidden}
.panel.pad{padding:18px}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;padding:14px 4px;font-size:.95rem;font-weight:600;cursor:pointer;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.tabpane{padding:18px 18px 22px}
.group{padding:14px 0;border-bottom:1px solid var(--line)}
.group:first-child{padding-top:0}
.group:last-child{border-bottom:0;padding-bottom:0}
.hint{color:var(--muted);font-size:.86rem;margin:6px 0 0}
.row{display:grid;grid-template-columns:7.5em 1fr 3.6em;align-items:center;gap:10px;margin:8px 0}
.row label{font-size:.92rem}
.row output{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem}
.sel{grid-column:span 2;padding:7px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}
input[type=range]{width:100%;accent-color:var(--blue)}
.dims{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}
.dims input,.num input,td input{width:5.6em;padding:7px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);font-variant-numeric:tabular-nums;text-align:right}
.facts{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:10px;font-size:.9rem;color:var(--muted);font-variant-numeric:tabular-nums}
.facts b{color:var(--ink)}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px}
.pc{aspect-ratio:1;border-radius:50%;border:0;cursor:pointer;position:relative;box-shadow:inset -2px -3px 0 rgba(0,0,0,.18),inset 2px 2px 0 rgba(255,255,255,.3),0 0 0 1px rgba(0,0,0,.15)}
.pc[aria-pressed="false"]{opacity:.22;box-shadow:0 0 0 1px rgba(0,0,0,.15)}
.pc[aria-pressed="false"]::after{content:"";position:absolute;left:50%;top:10%;bottom:10%;width:2px;background:var(--ink);transform:rotate(45deg)}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.stat{background:var(--bg);border-radius:6px;padding:10px}
.stat b{display:block;font-size:1.35rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat span{font-size:.8rem;color:var(--muted)}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.9rem;font-variant-numeric:tabular-nums}
th{text-align:left;font-weight:600;color:var(--muted);font-size:.8rem;padding:6px 4px;border-bottom:1px solid var(--line)}
td{padding:6px 4px;border-bottom:1px solid var(--line);vertical-align:middle}
td.n,th.n{text-align:right}
td.ok{color:var(--green);font-weight:600}
.idx{display:inline-grid;place-items:center;min-width:1.7em;height:1.7em;border-radius:50%;font-size:.78rem;font-weight:700;border:1px solid rgba(0,0,0,.2)}
.bl{color:var(--muted);font-size:.8rem;display:block}
.num{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;margin:6px 0;font-size:.92rem}
.total{display:flex;justify-content:space-between;align-items:baseline;margin-top:10px;font-weight:800;font-size:1.15rem;font-variant-numeric:tabular-nums}
textarea{width:100%;min-height:110px;font:12px/1.4 ui-monospace,Menlo,Consolas,monospace;border:1px solid var(--line);border-radius:6px;background:var(--bg);padding:8px;resize:vertical}

.progress{display:flex;justify-content:space-between;font-weight:600;font-variant-numeric:tabular-nums}
.secmap{display:grid;gap:4px;margin:12px 0}
.secmap button{border:1px solid var(--line);background:var(--chip);border-radius:4px;padding:7px 0;cursor:pointer;font-size:.85rem;font-weight:600}
.secmap button.done{background:var(--green);border-color:var(--green);color:#fff}
.secmap button[aria-pressed="true"]{outline:3px solid var(--accent);outline-offset:1px}
.secwrap{overflow-x:auto}
#seccanvas{display:block;max-width:100%;height:auto}
.legend{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:10px;font-size:.86rem;font-variant-numeric:tabular-nums}
.check{display:flex;align-items:center;gap:10px;margin-top:12px;padding:12px;border-radius:6px;background:var(--bg);cursor:pointer;font-weight:600}
.check input{width:22px;height:22px;accent-color:var(--green)}
.empty{color:var(--muted);padding:6px 0}

.stockgrid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media (min-width:920px){.stockgrid{grid-template-columns:minmax(0,1fr) 380px;align-items:start}}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:6px;opacity:0;pointer-events:none;transition:.25s;font-size:.92rem;max-width:90vw;z-index:10}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* V2 : retouche */
.pc.pick{outline:3px solid var(--blue);outline-offset:2px}
.pc.eraser{background:repeating-conic-gradient(#d7dbde 0 25%,#ffffff 0 50%) 50%/12px 12px}
.pc.eraser::before{content:"⌫";position:absolute;inset:0;display:grid;place-items:center;font-size:.85rem;color:#05131D}
.brushchip .sw{margin-right:6px}
.brushchip[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.swap{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}
.swap .sel{grid-column:auto;min-width:0}
canvas.painting{cursor:cell;touch-action:none}