:root{
  --bg:#F6F4EE; --surface:#FFFFFF; --surface-2:#FBFAF5;
  --ink:#17170F; --ink-2:#63615A; --ink-3:#8C8A80;
  --line:#DEDACD; --line-strong:#C6C1AF;
  --accent:#FDE100; --accent-deep:#8A7400; --accent-soft:#FFF8C2;
  --band:#17170F; --band-ink:#F6F4EE;
  --ok:#1E7A4C; --ok-soft:#E4F2EA; --danger:#B33A1E; --danger-soft:#FBE7E1;
  --shadow:0 1px 2px rgba(23,23,15,.06), 0 8px 24px rgba(23,23,15,.05);
  --r:4px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#121210; --surface:#1C1C18; --surface-2:#232320;
    --ink:#F2EFE3; --ink-2:#A6A395; --ink-3:#807D72;
    --line:#32312A; --line-strong:#46443A;
    --accent:#FDE100; --accent-deep:#FDE100; --accent-soft:#3A3305;
    --band:#000000; --band-ink:#F2EFE3;
    --ok:#57C08C; --ok-soft:#16281F; --danger:#F08A6E; --danger-soft:#2E1913;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#121210; --surface:#1C1C18; --surface-2:#232320;
  --ink:#F2EFE3; --ink-2:#A6A395; --ink-3:#807D72;
  --line:#32312A; --line-strong:#46443A;
  --accent:#FDE100; --accent-deep:#FDE100; --accent-soft:#3A3305;
  --band:#000000; --band-ink:#F2EFE3;
  --ok:#57C08C; --ok-soft:#16281F; --danger:#F08A6E; --danger-soft:#2E1913;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px; line-height:1.5; -webkit-text-size-adjust:100%;
}
.wrap{max-width:1080px; margin:0 auto; padding-inline:18px; padding-block:0 160px}

/* ---------- Masthead ---------- */
.masthead{background:var(--band); color:var(--band-ink)}
.masthead-in{
  max-width:1080px; margin:0 auto; padding-inline:18px; padding-block:22px 20px;
  display:flex; gap:24px; align-items:center; justify-content:space-between; flex-wrap:wrap;
}
.masthead img{width:min(300px,62vw); height:auto; display:block}
.vendor{font-size:13px; line-height:1.55; text-align:right; color:#CFCBBC; max-width:340px}
.vendor strong{
  display:block; font-family:"Oswald",Impact,sans-serif; font-weight:600;
  font-size:18px; letter-spacing:.06em; text-transform:uppercase; color:var(--band-ink); margin-bottom:4px;
}
.vendor .mono{font-family:"IBM Plex Mono",ui-monospace,monospace; font-size:12px}
.subbar{
  background:var(--accent); color:#17170F;
  font-family:"Oswald",Impact,sans-serif; font-weight:600; letter-spacing:.16em;
  text-transform:uppercase; font-size:13px;
}
.subbar-in{max-width:1080px; margin:0 auto; padding:9px 18px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap}
.subbar span:last-child{font-family:"IBM Plex Mono",monospace; letter-spacing:.04em; font-weight:500}

/* ---------- Sections ---------- */
section{
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r); margin-top:22px; box-shadow:var(--shadow);
}
.sec-head{
  display:flex; align-items:baseline; gap:12px;
  padding:16px 20px 14px; border-bottom:1px solid var(--line);
}
.step-no{
  font-family:"IBM Plex Mono",monospace; font-size:12px; font-weight:600;
  color:var(--ink); background:var(--accent); padding:3px 8px; border-radius:2px;
}
:root[data-theme="dark"] .step-no,
:root:not([data-theme="light"]) .step-no{color:#17170F}
h2{
  margin:0; font-family:"Oswald",Impact,sans-serif; font-weight:500;
  font-size:20px; letter-spacing:.09em; text-transform:uppercase; text-wrap:balance;
}
.sec-head .hint{margin-left:auto; font-size:12.5px; color:var(--ink-3)}
.sec-body{padding:20px}

/* ---------- Form ---------- */
.grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px}
.grid .full{grid-column:1/-1}
@media (max-width:720px){.grid{grid-template-columns:1fr}}
label{
  display:block; font-size:11.5px; font-weight:600; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-2); margin-bottom:6px;
}
label .req{color:var(--danger)}
input[type=text],input[type=email],input[type=tel],input[type=date],textarea,select{
  width:100%; font:inherit; font-size:16px; color:var(--ink);
  background:var(--surface-2); border:1px solid var(--line-strong);
  border-radius:var(--r); padding:11px 12px; min-height:46px;
}
textarea{resize:vertical; line-height:1.45}
input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible{
  outline:3px solid var(--accent); outline-offset:1px;
}
.field.err input,.field.err textarea{border-color:var(--danger); background:var(--danger-soft)}
.checkline{display:flex; align-items:center; gap:10px; margin-bottom:10px; font-size:14px; color:var(--ink-2)}
.checkline input{width:22px; height:22px; accent-color:var(--accent-deep)}

/* ---------- Produits ---------- */
.lines{display:flex; flex-direction:column}
.line{
  display:grid; align-items:center; gap:14px;
  grid-template-columns:88px minmax(0,1fr) 96px 168px 108px;
  padding:16px 0; border-bottom:1px solid var(--line);
}
.line:first-child{padding-top:0}
.line:last-child{border-bottom:none; padding-bottom:0}
.line.on{background:linear-gradient(90deg,var(--accent-soft),transparent 60%)}
.thumb{
  width:88px; height:88px; object-fit:cover; border-radius:2px;
  border:1px solid var(--line-strong); background:var(--surface-2);
}
.pname{font-weight:600; font-size:15px; line-height:1.3}
.pref{
  font-family:"IBM Plex Mono",monospace; font-size:12px; color:var(--ink-3);
  letter-spacing:.02em; margin-top:3px;
}
.pvc{font-size:12px; color:var(--ink-2); margin-top:4px}
.money{font-family:"IBM Plex Mono",monospace; font-variant-numeric:tabular-nums; font-weight:500}
.pu{text-align:right; font-size:15px}
.stepper{display:flex; align-items:center; gap:8px; justify-content:center}
.stepper button{
  width:48px; height:48px; flex:none; font-size:24px; line-height:1;
  font-family:"IBM Plex Mono",monospace; cursor:pointer;
  background:var(--surface-2); color:var(--ink);
  border:1px solid var(--line-strong); border-radius:var(--r);
}
.stepper button:hover{background:var(--accent-soft); border-color:var(--accent-deep)}
.stepper button:active{transform:translateY(1px)}
.qty{
  width:64px; height:48px; text-align:center; font-size:18px; font-weight:600;
  font-family:"IBM Plex Mono",monospace; padding:0 !important; min-height:0 !important;
}
.ltot{text-align:right; font-size:16px; font-weight:600}
.ltot.zero{color:var(--ink-3); font-weight:400}
.col-head{
  display:grid; gap:14px; grid-template-columns:88px minmax(0,1fr) 96px 168px 108px;
  font-size:10.5px; letter-spacing:.11em; text-transform:uppercase; color:var(--ink-3);
  padding-bottom:10px; border-bottom:1px solid var(--line-strong); margin-bottom:4px;
}
.col-head span:nth-child(3),.col-head span:nth-child(5){text-align:right}
.col-head span:nth-child(4){text-align:center}
@media (max-width:820px){
  .col-head{display:none}
  .line{grid-template-columns:64px minmax(0,1fr); grid-template-areas:"img info" "qty qty" "pu tot"; row-gap:12px}
  .line .thumb{grid-area:img; width:64px; height:64px}
  .line .info{grid-area:info}
  .line .pu{grid-area:pu; text-align:left}
  .line .stepper{grid-area:qty; justify-content:flex-start}
  .line .ltot{grid-area:tot}
  .pu::before{content:"PU HT "; font-family:"IBM Plex Sans",sans-serif; font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-3)}
}

/* ---------- Règlement ---------- */
.radios{display:flex; flex-direction:column; gap:10px}
.radio{
  display:flex; gap:12px; align-items:flex-start; padding:13px 14px;
  border:1px solid var(--line-strong); border-radius:var(--r);
  background:var(--surface-2); cursor:pointer;
}
.radio input{width:22px; height:22px; margin:1px 0 0; accent-color:var(--accent-deep); flex:none}
.radio.sel{border-color:var(--ink); background:var(--accent-soft)}
.radio b{font-weight:600; font-size:15px}
.radio em{display:block; font-style:normal; font-size:12.5px; color:var(--ink-2); margin-top:2px}

/* ---------- Signature ---------- */
.sigwrap{position:relative; border:1px dashed var(--line-strong); border-radius:var(--r); background:var(--surface-2)}
#sig{display:block; width:100%; height:190px; touch-action:none; cursor:crosshair}
.sighint{
  position:absolute; inset:0; display:grid; place-items:center; pointer-events:none;
  font-size:13.5px; color:var(--ink-3); letter-spacing:.04em;
}
.sighint.gone{display:none}
.sigfoot{display:flex; justify-content:space-between; align-items:center; gap:12px; margin-top:10px; flex-wrap:wrap}
.sigfoot small{font-size:12px; color:var(--ink-3); max-width:60ch}

/* ---------- Buttons ---------- */
button{font-family:inherit}
.btn{
  font-family:"Oswald",Impact,sans-serif; font-weight:600; letter-spacing:.1em;
  text-transform:uppercase; font-size:15px; cursor:pointer;
  padding:14px 22px; min-height:50px; border-radius:var(--r); border:1px solid var(--ink);
  background:var(--accent); color:#17170F;
}
.btn:hover{filter:brightness(1.06)}
.btn[disabled]{opacity:.5; cursor:not-allowed; filter:none}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--surface-2)}

/* ---------- Barre total ---------- */
.totalbar{
  position:fixed; left:0; right:0; bottom:0; z-index:20;
  background:var(--band); color:var(--band-ink); border-top:3px solid var(--accent);
}
.totalbar-in{
  max-width:1080px; margin:0 auto; padding:12px 18px;
  display:flex; align-items:center; gap:20px; flex-wrap:wrap;
}
.tb-fig{display:flex; flex-direction:column; gap:1px}
.tb-fig span{font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:#9C998C}
.tb-fig b{font-family:"IBM Plex Mono",monospace; font-variant-numeric:tabular-nums; font-size:22px; font-weight:600}
.totalbar .btn{margin-left:auto}
@media (max-width:560px){.totalbar .btn{margin-left:0; width:100%}}

/* ---------- États ---------- */
.msg{padding:12px 14px; border-radius:var(--r); font-size:14px; margin-top:14px; display:none}
.msg.show{display:block}
.msg.error{background:var(--danger-soft); color:var(--danger); border:1px solid var(--danger)}
.msg.info{background:var(--surface-2); color:var(--ink-2); border:1px solid var(--line-strong)}
.done{text-align:center; padding:56px 20px}
.done .num{
  font-family:"IBM Plex Mono",monospace; font-size:clamp(28px,7vw,44px); font-weight:600;
  letter-spacing:.04em; margin:6px 0 14px;
}
.done h2{font-size:26px}
.badge{
  display:inline-flex; gap:8px; align-items:center; font-size:13px; padding:7px 13px;
  border-radius:999px; background:var(--ok-soft); color:var(--ok); border:1px solid var(--ok); margin:4px 4px 0;
}
.badge.ko{background:var(--danger-soft); color:var(--danger); border-color:var(--danger)}
.recap{
  text-align:left; max-width:620px; margin:26px auto 0; border:1px solid var(--line);
  border-radius:var(--r); padding:18px; background:var(--surface-2); font-size:14px;
}
.recap div{display:flex; justify-content:space-between; gap:16px; padding:5px 0}
.recap div+div{border-top:1px solid var(--line)}
.hidden{display:none !important}
@media (prefers-reduced-motion:reduce){*{transition:none !important; animation:none !important}}

/* ---------- Écran de code d'accès ---------- */
.gate{max-width:360px; margin:64px auto; text-align:center}
.gate h2{margin-bottom:18px}
.gate input{text-align:center; font-family:"IBM Plex Mono",monospace; font-size:20px; letter-spacing:.2em}
.gate .btn{width:100%; margin-top:14px}


/* ---------- Franco de port ---------- */
.franco{
  background:rgba(253,225,0,.12); color:var(--band-ink);
  font-size:12.5px; text-align:center; padding:7px 18px 8px;
  border-top:1px solid rgba(253,225,0,.25);
}
.franco.ok{color:#8FE0B4}
.franco:empty{display:none}