/* Maison 1236 — Contrat d'achat */
:root {
  --ink: #1c1c1c;
  --ink-2: #4a4843;
  --muted: #8a857c;
  --gold: #b08d45;
  --gold-hi: #c9a55a;
  --gold-lo: #9a7a35;
  --cream: #f6f3ed;
  --paper: #ffffff;
  --line: #e2ddd4;
  --line-2: #d1cec9;
  --danger: #a5402d;
  --serif: "EB Garamond", Garamond, Baskerville, serif;
  --sans: "Montserrat", system-ui, sans-serif;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- Barre haute ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 24px;
  background: var(--ink);
  color: #fff;
}
.topbar__brand { display: flex; align-items: center; gap: 16px; min-width: 0; }
.topbar__logo { height: 34px; width: auto; display: block; }
.topbar__meta { display: flex; flex-direction: column; border-left: 1px solid rgba(255,255,255,.15); padding-left: 16px; }
.topbar__title { font-family: var(--serif); font-size: 19px; letter-spacing: .02em; }
.topbar__ref { font-size: 11px; color: var(--gold-hi); letter-spacing: .08em; }
.topbar__actions { display: flex; align-items: center; gap: 8px; }
.savestate { font-size: 11px; color: rgba(255,255,255,.5); margin-right: 6px; white-space: nowrap; }

.btn {
  border: 1px solid transparent; border-radius: 999px;
  padding: 9px 18px; font-size: 13px; font-weight: 500; letter-spacing: .02em;
  cursor: pointer; transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn--gold { background: linear-gradient(180deg, var(--gold-hi), var(--gold-lo)); color: #fff; }
.btn--gold:hover { filter: brightness(1.07); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.25); color: #fff; }
.btn--ghost:hover { border-color: var(--gold-hi); color: var(--gold-hi); }
.btn--ghost-dark { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--ghost-dark:hover { border-color: var(--ink); }
.btn--block { width: 100%; padding: 13px; font-size: 14px; }

/* ---------- Onglets (mobile/tablette portrait) ---------- */
.tabs { display: none; }

/* ---------- Mise en page ---------- */
@media (min-width: 1001px) {
  body { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
}
.layout {
  display: grid;
  grid-template-columns: minmax(380px, 480px) 1fr;
  flex: 1; min-height: 0;
}
.panel {
  overflow-y: auto;
  padding: 24px 24px 40px;
  border-right: 1px solid var(--line);
  background: var(--cream);
}
.preview { overflow: hidden; background: #e9e5dd; }
.preview__scroll { height: 100%; overflow-y: auto; padding: 32px; }

/* ---------- Cartes du formulaire ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  margin-bottom: 16px;
}
.card__head { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.card__head h2 { font-family: var(--serif); font-weight: 500; font-size: 22px; margin: 0; }
.card__num {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--gold); color: var(--gold);
  font-size: 12px; font-weight: 600;
}
.card__hint { margin: 0 0 14px 38px; font-size: 12px; color: var(--muted); }
.card__head + .grid, .card__head + .seg { margin-top: 14px; }
.sub {
  font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); margin: 20px 0 10px;
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.f { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.f--full { grid-column: 1 / -1; }
.card > .f--full { margin-top: 12px; }
.f > span { font-size: 12px; font-weight: 500; color: var(--ink-2); }
.f i, .panel__foot i { color: var(--gold); font-style: normal; }
.f input, .f select, .f textarea, .money {
  width: 100%;
  border: 1px solid var(--line-2); border-radius: 8px;
  background: #fff; padding: 10px 12px; font-size: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.f textarea { resize: vertical; min-height: 44px; line-height: 1.45; }
.f input:focus, .f select:focus, .f textarea:focus, .money:focus-within {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(176,141,69,.15);
}
.f.is-missing input, .f.is-missing select, .f.is-missing .money { border-color: var(--danger); }
.f__help { font-size: 12px; color: var(--muted); font-style: italic; min-height: 1em; }
.mono { font-variant-numeric: tabular-nums; letter-spacing: .04em; }

.money { display: flex; align-items: center; gap: 8px; padding: 0 12px; }
.money em { font-style: normal; font-size: 12px; font-weight: 600; color: var(--gold); }
.money input { border: 0; padding: 10px 0; box-shadow: none !important; font-size: 18px; font-weight: 500; font-variant-numeric: tabular-nums; }

/* Choix segmenté */
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; margin-bottom: 14px; }
.seg label { cursor: pointer; position: relative; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 7px 20px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--ink-2); }
.seg input:checked + span { background: var(--ink); color: #fff; }
.seg input:focus-visible + span { box-shadow: 0 0 0 3px rgba(176,141,69,.3); }

/* Cases à cocher */
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks--col { flex-direction: column; }
.checks label { cursor: pointer; position: relative; }
.checks input { position: absolute; opacity: 0; pointer-events: none; }
.checks span {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 10px; border: 1px solid var(--line-2); border-radius: 8px;
  font-size: 13px; transition: border-color .15s, background .15s;
}
.checks span::before {
  content: ""; flex: none; width: 16px; height: 16px; border-radius: 4px;
  border: 1px solid var(--line-2); background: #fff center / 11px no-repeat;
}
.checks input:checked + span { border-color: var(--gold); background: #fbf8f1; }
.checks input:checked + span::before {
  background-color: var(--gold); border-color: var(--gold);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5 5 9l5-6' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.checks input:focus-visible + span { box-shadow: 0 0 0 3px rgba(176,141,69,.3); }

.note { font-size: 12px; color: var(--ink-2); background: #fbf8f1; border-left: 2px solid var(--gold); padding: 8px 12px; margin: 12px 0 0; }
.panel__foot { padding: 8px 0 0; }
.panel__foot p { font-size: 12px; color: var(--muted); text-align: center; margin: 12px 0 0; }

/* ---------- Document (aperçu + impression) ---------- */
.doc {
  width: 100%; max-width: 210mm; margin: 0 auto;
  background: #fff; padding: 18mm 20mm 20mm;
  box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 12px 40px rgba(60,45,20,.12);
  font-family: var(--serif); font-size: 11.5pt; line-height: 1.45; color: #111;
}
.doc p { margin: 0 0 7pt; text-align: justify; hyphens: auto; }
.doc__head { text-align: center; margin-bottom: 14pt; }
.doc__logo { width: 46mm; height: auto; }
.doc__addr { font-family: var(--sans); font-size: 7.5pt; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 6pt 0 0 !important; text-align: center !important; }
.doc__title {
  font-family: var(--serif); font-weight: 500; font-size: 17pt; letter-spacing: .06em; text-transform: uppercase;
  text-align: center; margin: 16pt 0 2pt;
}
.doc__ref { font-family: var(--sans); font-size: 7.5pt; letter-spacing: .1em; color: var(--gold); text-align: center !important; margin-bottom: 14pt !important; }
.doc__rule { height: 1px; border: 0; margin: 0 auto 16pt; width: 40mm; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.doc__center { text-align: center !important; font-weight: 600; letter-spacing: .08em; margin: 10pt 0 !important; }
.doc h3 {
  font-family: var(--serif); font-weight: 600; font-size: 12pt;
  margin: 14pt 0 5pt; break-after: avoid;
}
.doc h3 span { color: var(--gold); font-weight: 500; margin-right: 4pt; }
.doc ol { margin: 0 0 8pt; padding-left: 16pt; }
.doc li { margin-bottom: 3pt; text-align: justify; }
.doc .party { font-weight: 600; }

.dt { width: 100%; border-collapse: collapse; margin: 4pt 0 10pt; font-size: 10.5pt; break-inside: avoid; }
.dt td { padding: 4.5pt 7pt; border-bottom: .5pt solid #d8d3ca; vertical-align: top; }
.dt tr:first-child td { border-top: .5pt solid #d8d3ca; }
.dt td:first-child {
  width: 36%; font-family: var(--sans); font-size: 7.5pt; letter-spacing: .06em; text-transform: uppercase;
  color: #6f6a61; padding-top: 6pt; background: #faf8f4;
}
.dt td:last-child { font-weight: 500; }
.blank { display: inline-block; min-width: 50mm; border-bottom: .6pt dotted #888; height: 1.1em; vertical-align: bottom; }
.blank--s { min-width: 28mm; }
.dt .blank { width: 100%; }
.box { display: inline-block; width: 8pt; height: 8pt; border: .6pt solid #555; margin-right: 6pt; vertical-align: -0.5pt; position: relative; }
.box.on::after { content: "✕"; position: absolute; inset: -3pt 0 0 0.5pt; font-size: 8pt; line-height: 1; font-family: var(--sans); }
.annex-list { list-style: none; padding: 0 !important; }
.annex-list li { margin-bottom: 5pt; }

.art { break-inside: avoid; }
.sign { display: grid; grid-template-columns: 1fr 1fr; gap: 12mm; margin-top: 12pt; break-inside: avoid; }
.sign__col p { margin: 0 0 2pt; text-align: left; }
.sign__role { font-family: var(--sans); font-size: 7.5pt; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 4pt !important; }
.sign__line { margin-top: 22mm; border-top: .6pt solid #555; padding-top: 3pt; font-family: var(--sans); font-size: 7.5pt; color: #6f6a61; }
.pagebreak { break-before: page; }
.doc__annex-head { margin-top: 28pt; padding-top: 16pt; border-top: .5pt solid var(--line-2); }

/* ---------- Fenêtres ---------- */
.modal {
  border: 0; border-radius: 14px; padding: 24px; width: min(520px, calc(100vw - 32px));
  box-shadow: 0 20px 60px rgba(0,0,0,.25); color: var(--ink);
}
.modal::backdrop { background: rgba(28,28,28,.5); }
.modal__head { display: flex; justify-content: space-between; align-items: center; }
.modal__head h2 { font-family: var(--serif); font-weight: 500; font-size: 24px; margin: 0; }
.modal__close { border: 0; background: none; font-size: 26px; line-height: 1; cursor: pointer; color: var(--muted); }
.modal__hint { font-size: 13px; color: var(--muted); margin: 6px 0 16px; }
.modal__actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.drafts, .missing { list-style: none; margin: 0; padding: 0; max-height: 50vh; overflow-y: auto; }
.drafts li {
  display: flex; align-items: center; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line);
}
.drafts li:first-child { border-top: 0; }
.drafts__info { flex: 1; min-width: 0; }
.drafts__name { font-weight: 500; }
.drafts__meta { font-size: 12px; color: var(--muted); }
.drafts__current { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); margin-left: 6px; }
.drafts button { border: 1px solid var(--line-2); background: #fff; border-radius: 999px; padding: 6px 12px; font-size: 12px; cursor: pointer; }
.drafts button:hover { border-color: var(--ink); }
.drafts .del { border-color: transparent; color: var(--muted); }
.drafts .del:hover { color: var(--danger); border-color: transparent; }
.drafts__empty { color: var(--muted); font-size: 13px; padding: 12px 0; }
.missing li { padding: 7px 0; border-top: 1px solid var(--line); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; }
.missing li:first-child { border-top: 0; }
.missing small { color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .topbar { padding: 10px 16px; }
  .topbar__logo { height: 26px; }
  .topbar__meta { display: none; }
  .savestate, #btnNew { display: none; }
  .tabs {
    display: flex; position: sticky; top: 52px; z-index: 15;
    background: var(--ink); padding: 0 16px 10px; gap: 6px;
  }
  .tabs__btn {
    flex: 1; border: 1px solid rgba(255,255,255,.2); background: transparent; color: rgba(255,255,255,.7);
    border-radius: 999px; padding: 8px; font-size: 13px; cursor: pointer;
  }
  .tabs__btn.is-active { background: #fff; color: var(--ink); border-color: #fff; }
  .layout { display: block; height: auto; }
  .panel { border: 0; padding: 16px; max-width: 640px; margin: 0 auto; overflow: visible; }
  .preview { display: none; }
  body[data-tab="preview"] .panel { display: none; }
  body[data-tab="preview"] .preview { display: block; }
  .preview__scroll { padding: 16px; height: auto; overflow: visible; }
  .doc { padding: 10mm 8mm; font-size: 10.5pt; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .sign { grid-template-columns: 1fr; gap: 4mm; }
  .btn { padding: 8px 14px; }
}

/* ---------- Impression ---------- */
@media print {
  @page { size: A4; margin: 16mm 18mm 20mm; }
  body { background: #fff; height: auto; display: block; overflow: visible; }
  .topbar, .tabs, .panel, .modal { display: none !important; }
  .layout, .preview, .preview__scroll { display: block !important; height: auto !important; overflow: visible !important; padding: 0 !important; background: #fff !important; }
  .doc { box-shadow: none; padding: 0; max-width: none; font-size: 10.5pt; }
  .dt td:first-child { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .doc__annex-head { margin-top: 0; padding-top: 0; border-top: 0; }
}