/* core.css — socle de styles du générateur de frise (index.html).
   Les styles propres aux lignes du formulaire (.phase / .marker / .trow) restent
   inline dans un petit <style> de la page. */
:root{
  --bg:#faf9f5; --card:#ffffff; --ink:#2b2b29; --muted:#6b6a64;
  --line:#e4e2da; --line2:#cfccc2; --accent:#185fa5;
  --radius:10px;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.5; padding:28px 18px 60px;
}
.wrap{max-width:1280px; margin:0 auto}
h1{font-size:20px; font-weight:600; margin:0 0 4px}
.sub{color:var(--muted); font-size:14px; margin:0 0 24px}
/* en-tête : titre à gauche, sélecteur de langue à droite */
.apphead{display:flex; align-items:center; justify-content:space-between; gap:12px}
.langsel{display:inline-flex; gap:0; border:1px solid var(--line2); border-radius:8px; overflow:hidden; flex:0 0 auto}
.langsel button{border:0; border-radius:0; padding:5px 11px; font-size:12px; font-weight:600; letter-spacing:.03em; color:var(--muted); background:#fff}
.langsel button+button{border-left:1px solid var(--line)}
.langsel button:hover{color:var(--accent); background:var(--bg)}
.langsel button.active{background:var(--accent); color:#fff}
.langsel button:focus-visible{outline:2px solid var(--accent); outline-offset:-2px}
.panel{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; margin-bottom:18px;
}
.panel h2{font-size:13px; text-transform:uppercase; letter-spacing:.04em; color:var(--muted); margin:0 0 14px}
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px 18px}
label{display:block; font-size:13px; font-weight:500; margin-bottom:5px}
.hint{font-weight:400; color:var(--muted)}
input[type=date],input[type=number],input[type=text]{
  width:100%; padding:8px 10px; border:1px solid var(--line2); border-radius:7px;
  font:inherit; font-size:14px; background:#fff; color:var(--ink);
}
input[type=color]{
  width:40px; height:34px; padding:2px; border:1px solid var(--line2); border-radius:7px;
  background:#fff; cursor:pointer;
}
input:disabled{background:#f3f1ec; color:#a8a59c}
input:focus{outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent)}
select{
  width:100%; padding:8px 10px; border:1px solid var(--line2); border-radius:7px;
  font:inherit; font-size:14px; background:#fff; color:var(--ink);
}
select:disabled{background:#f3f1ec; color:#a8a59c}
select:focus{outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent)}
.dm{display:flex; gap:8px}
.dm select{flex:1 1 0; min-width:0; width:auto}
.toggles{display:flex; flex-wrap:wrap; gap:16px; margin-top:14px; padding-top:14px; border-top:1px solid var(--line)}
.toggle{display:flex; align-items:center; gap:7px; font-size:14px; cursor:pointer}
.toggle input{width:16px; height:16px; accent-color:var(--accent)}
.calc{font-size:13px; color:var(--muted); margin-top:14px}
.calc b{color:var(--ink); font-weight:500}
.preview{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:14px; cursor:zoom-in}
.preview svg{display:block; width:100%; height:auto}
/* modale d'agrandissement */
.modal[hidden]{display:none}
.modal{position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center; padding:24px}
.modal-backdrop{position:absolute; inset:0; background:rgba(15,23,42,.55)}
.modal-box{position:relative; background:#fff; border-radius:14px; padding:22px;
  width:min(1200px,96vw); max-height:92vh; overflow:auto;
  box-shadow:0 24px 60px -12px rgba(15,23,42,.5)}
.modal-svg svg{display:block; width:100%; height:auto}
.modal-close{position:absolute; top:8px; right:10px; border:0; background:transparent;
  font-size:26px; line-height:1; color:var(--muted); cursor:pointer; padding:4px 9px; border-radius:8px}
.modal-close:hover{color:var(--ink); background:var(--bg)}
/* ---- mise en page deux colonnes : formulaire (onglets+panneaux) à gauche, aperçu collé à droite ---- */
.layout{display:grid; grid-template-columns:minmax(320px,440px) minmax(0,1fr); gap:24px; align-items:start}
.formcol{display:grid; grid-template-columns:max-content minmax(0,1fr); gap:18px; align-items:start}
.panels{min-width:0}
.previewcol{position:sticky; top:18px}
.previewcol .actions{margin-top:12px}
.previewcol .calc{margin-top:10px}
/* onglets verticaux (rail à gauche) */
.tabs{display:flex; flex-direction:column; gap:2px; position:sticky; top:18px; border-right:1px solid var(--line)}
.tab{
  appearance:none; border:0; background:transparent; cursor:pointer; font:inherit;
  font-size:14px; font-weight:500; color:var(--muted); padding:9px 16px 9px 4px;
  border-right:2px solid transparent; margin-right:-1px; width:100%;
  display:flex; align-items:center; gap:7px; justify-content:flex-start; text-align:left; white-space:nowrap;
}
.tab:hover{color:var(--ink)}
.tab[aria-selected="true"]{color:var(--accent); border-right-color:var(--accent)}
.tab:focus-visible{outline:2px solid var(--accent); outline-offset:2px; border-radius:6px}
.tab .badge{
  font-size:11px; font-weight:600; line-height:1; background:var(--line); color:var(--muted);
  border-radius:999px; padding:3px 7px; min-width:18px; text-align:center;
}
.tab[aria-selected="true"] .badge{background:var(--accent); color:#fff}
.panel[hidden]{display:none}
.actions{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
button{
  font:inherit; font-size:14px; font-weight:500; padding:9px 15px; border-radius:8px;
  border:1px solid var(--line2); background:#fff; color:var(--ink); cursor:pointer;
}
button.primary{background:var(--accent); border-color:var(--accent); color:#fff}
button:hover{border-color:var(--accent)}
button.primary:hover{background:#134d86}
details{margin-top:14px}
summary{cursor:pointer; font-size:14px; font-weight:500; color:var(--muted)}
textarea{
  width:100%; min-height:160px; margin-top:10px; padding:10px; border:1px solid var(--line2);
  border-radius:8px; font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px;
  background:#fbfbf9; color:var(--ink); resize:vertical;
}
.err{color:#a32d2d; font-size:13px; margin-top:10px; min-height:18px}

/* ---- petits écrans : on empile, aperçu épinglé en haut, onglets horizontaux ---- */
@media (max-width:880px){
  .layout{grid-template-columns:1fr}
  .previewcol{order:-1; position:sticky; top:0; z-index:20; background:var(--bg);
    padding-bottom:12px; margin-bottom:6px; border-bottom:1px solid var(--line);
    box-shadow:0 10px 18px -14px rgba(15,23,42,.35)}
  .formcol{grid-template-columns:1fr}
  .tabs{flex-direction:row; flex-wrap:wrap; gap:4px; position:static; border-right:0; border-bottom:1px solid var(--line)}
  .tab{width:auto; padding:9px 14px; margin-right:0; margin-bottom:-1px;
    border-right:0; border-bottom:2px solid transparent}
  .tab[aria-selected="true"]{border-right-color:transparent; border-bottom-color:var(--accent)}
}