[hidden]{display:none!important}
img{max-width:100%}
:root{
  --bg:#eef0ee; --panel:#ffffff; --ink:#1b211f; --muted:#5d6763; --line:#d5dad7; --field:#f7f8f7;
  --accent:#1f5a52; --accent-ink:#ffffff; --accent-soft:#dcebe7; --danger:#a13a2c; --sheet-shadow:0 1px 3px rgba(20,30,25,.12),0 8px 24px rgba(20,30,25,.08);
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif; --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#131816; --panel:#1b2220; --ink:#e6ebe8; --muted:#95a19c; --line:#2f3935; --field:#222a28;
    --accent:#5fb3a3; --accent-ink:#0d1614; --accent-soft:#1f3531; --danger:#e07a6a; --sheet-shadow:0 1px 3px rgba(0,0,0,.5),0 8px 24px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#131816; --panel:#1b2220; --ink:#e6ebe8; --muted:#95a19c; --line:#2f3935; --field:#222a28;
  --accent:#5fb3a3; --accent-ink:#0d1614; --accent-soft:#1f3531; --danger:#e07a6a; --sheet-shadow:0 1px 3px rgba(0,0,0,.5),0 8px 24px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.45;padding:20px 16px 40px}
.wrap{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:980px){.wrap{grid-template-columns:minmax(0,1fr)}}
header.top{max-width:1280px;margin:0 auto 18px;display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between}
header.top h1{font-size:20px;font-weight:700;margin:0;letter-spacing:-.01em}
header.top p{margin:0;color:var(--muted);font-size:13px}
.editor{display:flex;flex-direction:column;gap:16px}
section.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}
section.card h2{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 12px;font-weight:600}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:560px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);font-weight:500}
input,textarea,select{font:inherit;color:var(--ink);background:var(--field);border:1px solid var(--line);border-radius:6px;padding:7px 9px;width:100%;min-width:0}
textarea{resize:vertical;min-height:70px;font-size:13px}
input:focus-visible,textarea:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.num{font-family:var(--mono);text-align:right;font-variant-numeric:tabular-nums}
.lines-head,.line{display:grid;grid-template-columns:minmax(0,1fr) 56px 90px 58px 96px 32px;gap:8px;align-items:center}
.lines-head{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;padding:0 0 6px;border-bottom:1px solid var(--line);margin-bottom:8px}
.lines-head span:nth-child(n+2){text-align:right}
.lines-head span:nth-child(4){text-align:center}
.line .mj{display:flex;align-items:center;justify-content:center;gap:4px;font-size:12px;color:var(--muted);cursor:pointer;white-space:nowrap}
.line .mj input{width:16px;height:16px;margin:0;accent-color:var(--accent)}
.line .mj:has(input:checked){color:var(--accent);font-weight:600}
.lines{display:flex;flex-direction:column;gap:6px}
.line .amt{font-family:var(--mono);text-align:right;font-variant-numeric:tabular-nums;font-size:13px;padding-right:2px}
.line .desig{text-transform:uppercase}
.line .cell{display:contents}
.line .lbl{display:none}
.m-total,.tabbar{display:none}
button{font:inherit;cursor:pointer;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:8px 14px;font-weight:500}
button:hover{border-color:var(--accent)}
button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
button.primary:hover{filter:brightness(1.08)}
button.del{padding:0;width:32px;height:32px;border:none;background:none;color:var(--danger);font-size:20px;line-height:1;font-weight:600}
button.del:hover{background:color-mix(in srgb,var(--danger) 12%,transparent);border-radius:6px}
button.ghost{border-style:dashed;color:var(--muted);width:100%;margin-top:10px}
.totals{display:flex;justify-content:flex-end;gap:24px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);flex-wrap:wrap}
.totals div{display:flex;flex-direction:column;align-items:flex-end}
.totals small{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.totals strong{font-family:var(--mono);font-size:18px;font-variant-numeric:tabular-nums}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.autosave{margin-left:auto;font-size:12px;color:var(--muted)}
.status{font-size:13px;color:var(--muted);min-height:1.4em}
.status.err{color:var(--danger)}
details.card summary{cursor:pointer;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600;list-style:none}
details.card summary::before{content:"▸ ";display:inline-block;width:1em}
details.card[open] summary::before{content:"▾ "}
details.card[open] summary{margin-bottom:12px}
.stack{display:flex;flex-direction:column;gap:10px}
.check{display:flex;gap:8px;align-items:center;font-size:13px}
.check input{width:auto}
.saved{display:flex;flex-direction:column}
.saved-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.saved-row:last-child{border-bottom:none}
.saved-row .meta{font-size:13px}
.saved-row .meta b{font-weight:600}
.saved-row.current .meta b{color:var(--accent)}
.saved-row .meta span{color:var(--muted);font-family:var(--mono);font-size:12px}
.saved-row button{padding:5px 10px;font-size:12px}
.empty{color:var(--muted);font-size:13px;margin:0}
.preview{position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px);display:flex;flex-direction:column;gap:12px}
.preview .sheets{display:flex;flex-direction:column;gap:16px}
.preview svg{width:100%;height:auto;display:block;background:#fff;box-shadow:var(--sheet-shadow);border-radius:2px}
.preview .cap{font-size:12px;color:var(--muted)}
@media (max-width:980px){.preview{position:static}}
@media (max-width:760px){
  body{font-size:15px;padding:12px 12px calc(84px + env(safe-area-inset-bottom,0px))}
  header.top{margin-bottom:12px}
  header.top h1{font-size:18px}
  header.top p{display:none}
  .editor{gap:12px}
  section.card,details.card{padding:14px}
  input,textarea,select{font-size:16px;padding:10px 11px;border-radius:8px}
  textarea{font-size:15px}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid4 label:first-child{grid-column:1 / -1}
  label.f{font-size:12.5px}

  /* lignes en cartes */
  .lines-head{display:none}
  .lines{gap:14px}
  .line{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr) auto 44px;grid-template-areas:"d d d x" "q p j j" "m m m m";gap:10px;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
  .line input{background:var(--panel)}
  .line .desig{grid-area:d;font-weight:600}
  .line .cell{display:flex;flex-direction:column;gap:3px}
  .line .cell.cq{grid-area:q}.line .cell.cp{grid-area:p}
  .line .lbl{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
  .line .mj{grid-area:j;align-self:end;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);font-size:14px}
  .line .mj:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
  .line .mj input{width:20px;height:20px}
  .line .amt{grid-area:m;display:flex;justify-content:space-between;font-size:15px;font-weight:500;padding-top:8px;border-top:1px dashed var(--line)}
  .line .amt::before{content:"Montant HT";font-family:var(--sans);font-size:12px;color:var(--muted);font-weight:400;align-self:center}
  .line .del{grid-area:x;align-self:center;width:44px;height:44px;font-size:24px;border:1px solid color-mix(in srgb,var(--danger) 35%,transparent);border-radius:8px;background:var(--panel)}
  button.ghost{min-height:48px;font-size:15px}
  .totals{justify-content:space-between}

  /* actions en haut */
  .wrap{display:flex;flex-direction:column;gap:12px;align-items:stretch}
  body[data-view="preview"] .wrap{flex-direction:column-reverse}
  body[data-view="edit"] .m-total{display:none}
  .actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;align-items:stretch}
  .actions button{height:52px;padding:4px 6px;font-size:14px;line-height:1.15}
  .autosave{grid-column:1 / -1;margin:0;text-align:center}
  .m-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
  .m-total span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
  .m-total strong{font-family:var(--mono);font-size:22px;font-variant-numeric:tabular-nums}
  .status:empty{display:none}
  .status{margin:10px 0 0}

  /* historique */
  .saved-row{grid-template-columns:minmax(0,1fr) auto;padding:0;gap:4px}
  .saved-row .meta{padding:12px 0;font-size:15px;cursor:pointer}
  .saved-row [data-a="open"]{display:none}
  .saved-row [data-a="del"]{min-height:40px}

  /* onglets */
  body[data-view="edit"] [data-pane]:not([data-pane~="edit"]),
  body[data-view="preview"] [data-pane]:not([data-pane~="preview"]),
  body[data-view="history"] [data-pane]:not([data-pane~="history"]){display:none!important}
  .tabbar{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--panel);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
  .tabbar button{border:none;border-radius:0;background:none;min-height:60px;font-size:13px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border-top:3px solid transparent}
  .tabbar button[aria-selected="true"]{color:var(--accent);border-top-color:var(--accent)}
  .tabbar svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .tabbar .badge{font-family:var(--mono);font-size:11px;font-weight:500}
}
@page{size:A4;margin:0}
@media print{
  body{padding:0;background:#fff}
  header.top,.editor,.cap,.tabbar{display:none!important}
  .wrap{display:block;max-width:none}
  .preview{position:static;display:block}
  .preview .sheets{display:block}
  .preview svg{width:210mm;height:297mm;box-shadow:none;border-radius:0;break-after:page}
  .preview svg:last-child{break-after:auto}
}

/* ---------- application installée ---------- */
html{padding-top:env(safe-area-inset-top,0px)}
body{margin:0}
header.top{align-items:center}
button.plus{width:42px;height:42px;padding:0;border-radius:50%;background:var(--accent);border-color:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none}
button.plus svg{width:22px;height:22px;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;fill:none}
button.plus:hover{filter:brightness(1.08)}
.autosave.warn{color:var(--danger);cursor:pointer;text-decoration:underline}
.backup{display:flex;flex-direction:column;gap:6px;padding-top:6px;border-top:1px solid var(--line)}
.backup-btns{display:flex;flex-wrap:wrap;gap:8px}
.login{position:fixed;inset:0;z-index:50;background:var(--bg);display:grid;place-items:center;padding:24px 16px}
.login-box{width:100%;max-width:360px;display:flex;flex-direction:column;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}
.login-box img{border-radius:14px}
.login-box h2{margin:4px 0 0;font-size:20px}
.login-box p{margin:0;color:var(--muted);font-size:14px}
.login-box .primary{min-height:46px;margin-top:4px}
button.link{border:none;background:none;color:var(--muted);text-decoration:underline;padding:6px}
@media (max-width:760px){
  .autosave{font-size:12.5px}
}
@media print{ html{padding:0} .login,button.plus{display:none!important} }