:root {
  --board: #183a33;
  --board-2: #22493f;
  --brass: #e8c872;
  --brass-ink: #7a5a12;
  --paper: #f3f6f5;
  --card: #ffffff;
  --ink: #17211d;
  --muted: #5c6b66;
  --line: #d6dfdb;
  --alert: #b3261e;
  --alert-bg: #fbe9e7;
  --ok: #2e6b3f;
  --radius: 6px;
  --head: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --body: "Barlow", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.45 var(--body); color: var(--ink); background: var(--paper); }
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--head); font-weight: 600; margin: 0; line-height: 1.1; }
h1 { font-size: 2.1rem; letter-spacing: .01em; }
h2 { font-size: 1.35rem; margin: 1.6rem 0 .6rem; }
h3 { font-size: 1.1rem; }
a { color: var(--board); }
:focus-visible { outline: 2px solid var(--brass-ink); outline-offset: 2px; }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

/* ---- connexion ---- */
.login { min-height: 100vh; display: grid; place-items: center; background: var(--board); padding: 1rem; }
.login-card { background: var(--card); padding: 2rem; border-radius: var(--radius); width: min(360px, 100%); display: grid; gap: .8rem; }
.brand-big { font: 700 3rem/1 var(--head); color: var(--board); }
.login-card p { margin: 0; }

/* ---- structure ---- */
.shell { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.side { background: var(--board); color: #dfe9e5; display: flex; flex-direction: column; padding: 1rem .6rem; gap: 2px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: .6rem; padding: .2rem .6rem 1.2rem; font: 600 1.15rem var(--head); color: #fff; }
.brand-num { background: var(--brass); color: var(--board); font: 700 1rem var(--head); padding: .15rem .45rem; border-radius: 4px; }
.nav-links { display: flex; flex-direction: column; gap: 2px; }
.side a { color: #dfe9e5; text-decoration: none; padding: .5rem .7rem; border-radius: 4px; font-weight: 500; }
.side a:hover { background: var(--board-2); }
.side a[aria-current="page"] { background: var(--brass); color: var(--board); }
.side-user { margin-top: auto; display: grid; gap: .4rem; padding: 0 .3rem; font-size: .88rem; }
.side-logout { background: none; border: 1px solid #3c6358; color: #dfe9e5; padding: .45rem; border-radius: 4px; cursor: pointer; font: inherit; }
.main { padding: 1.6rem 2rem 3rem; min-width: 0; }
.page-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.page-head p { margin: .3rem 0 0; }
.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }

/* ---- contrôles ---- */
input, select, textarea { font: inherit; color: inherit; padding: .42rem .55rem; border: 1px solid #b9c6c1; border-radius: 4px; background: #fff; min-width: 0; }
label { display: grid; gap: .25rem; font-size: .88rem; font-weight: 500; color: var(--muted); }
label > input, label > select, label > textarea { color: var(--ink); font-size: .95rem; }
label.check { display: flex; align-items: center; gap: .45rem; color: var(--ink); }
.btn { font: 500 .92rem var(--body); padding: .45rem .85rem; border-radius: 4px; border: 1px solid #b9c6c1; background: #fff; color: var(--ink); cursor: pointer; white-space: nowrap; text-decoration: none; display: inline-block; }
.btn:hover { border-color: var(--board); }
.btn.primary { background: var(--board); border-color: var(--board); color: #fff; }
.btn.primary:hover { background: var(--board-2); }
.btn.danger { color: var(--alert); border-color: #e3b7b3; }
.btn.small { padding: .2rem .5rem; font-size: .85rem; }
.seg { display: inline-flex; border: 1px solid #b9c6c1; border-radius: 4px; overflow: hidden; }
.seg button { border: 0; background: #fff; padding: .45rem .9rem; font: 500 .92rem var(--body); cursor: pointer; }
.seg button + button { border-left: 1px solid #b9c6c1; }
.seg button[aria-pressed="true"] { background: var(--board); color: #fff; }
.form-error { color: var(--alert); min-height: 1.2em; font-size: .9rem; margin: 0; }
.filters { display: flex; flex-wrap: wrap; gap: .7rem; align-items: end; margin-bottom: 1rem; }

/* ---- tableaux ---- */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { padding: .45rem .6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font: 600 .95rem var(--head); color: var(--muted); background: #f8faf9; }
th.num { text-align: right; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #f7faf8; }
tr.link { cursor: pointer; }
tr.is-alert td { background: var(--alert-bg); }
tr.inactif td { color: var(--muted); }
td small { display: block; color: var(--muted); font-size: .8rem; }
.tag { display: inline-block; padding: .05rem .45rem; border-radius: 3px; font-size: .8rem; font-weight: 600; background: #eceeed; white-space: nowrap; }
.tag.alert { background: var(--alert); color: #fff; }
.tag.ok { background: #dcefe1; color: var(--ok); }
.tag.warn { background: #fbefcf; color: var(--brass-ink); }
.empty { padding: 2rem; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }
.neg { color: var(--alert); }
.pos { color: var(--ok); }

/* ---- produits : saisie rapide et tri ---- */
.rapide { display: grid; gap: .7rem; }
.rapide-champs { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; }
.rapide-champs label { flex: 1 1 9rem; }
.rapide-champs label.r-nom { flex: 3 1 16rem; }
.rapide-champs label.r-court { flex: 0 1 7.5rem; }
.rapide-champs input, .rapide-champs select { width: 100%; }
th .tri { all: unset; cursor: pointer; font: inherit; color: inherit; }
th .tri:hover { color: var(--ink); }
th .tri:focus-visible { outline: 2px solid var(--brass-ink); outline-offset: 2px; }
tr.nouveau td { background: #fdf6df; }

/* ---- fiche technique ---- */
.fiche { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 1.4rem; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.panel h2 { margin-top: 0; }
.fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; }
.fields.four { grid-template-columns: repeat(4, 1fr); }
.fields .wide { grid-column: 1 / -1; }
.ing td { padding: .3rem .35rem; vertical-align: top; }
.ing td.num { padding-top: .65rem; }
.ing select, .ing input { width: 100%; }
.ing .c-ing { min-width: 13rem; }
.ing .c-q, .ing .c-p { width: 5.6rem; }
.ing .c-u { width: 5.4rem; }
.ing input { text-align: right; }
.ing .ligne-erreur { color: var(--alert); font-size: .82rem; padding: .2rem 0 0; }
.ing-del { border: 1px solid var(--line); background: #fff; border-radius: 4px; width: 1.9rem; height: 1.9rem; cursor: pointer; color: var(--muted); font-size: 1rem; line-height: 1; }
.ing-del:hover { color: var(--alert); border-color: #e3b7b3; }
.bilan { position: sticky; top: 1rem; display: grid; gap: .7rem; }
.bilan dl { margin: 0; display: grid; gap: .55rem; }
.bilan dl div { display: flex; justify-content: space-between; align-items: baseline; gap: .8rem; border-bottom: 1px solid var(--line); padding-bottom: .45rem; }
.bilan dt { color: var(--muted); font-size: .9rem; }
.bilan dd { margin: 0; font: 600 1.15rem var(--head); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bilan .ratio { font-size: 2.4rem; line-height: 1; }
.bilan p { margin: 0; font-size: .88rem; }

/* ---- vérification d'une facture ---- */
.controle { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; align-items: center; margin: 1rem 0; position: sticky; top: 0; z-index: 2; }
.fl-liste { display: grid; gap: .8rem; }
.fl { display: grid; gap: .7rem; }
.fl.ignoree { background: #f6f8f7; }
.fl-lu { display: grid; grid-template-columns: minmax(12rem, 3fr) 6rem 5.5rem 7.5rem 7rem 7rem auto; gap: .5rem; align-items: end; }
.fl-lu input, .fl-lu select { width: 100%; }
.fl-decision { display: flex; flex-wrap: wrap; gap: .6rem 1rem; align-items: end; border-top: 1px solid var(--line); padding-top: .7rem; }
.fl-decision select { max-width: 24rem; }
.fl-alertes { margin: 0; padding: 0; list-style: none; display: grid; gap: .2rem; font-size: .88rem; }
.fl-alertes:empty { display: none; }
.fl-alertes li.alert { color: var(--alert); font-weight: 500; }
.fl-alertes li.warn { color: var(--brass-ink); }
.fl-alertes li.info { color: var(--muted); }
@media (max-width: 900px) {
  .fl-lu { grid-template-columns: repeat(3, 1fr) auto; }
  .fl-lu .fl-des { grid-column: 1 / -1; }
  .controle { position: static; }
}

/* ---- dialogue ---- */
.dlg { border: 0; border-radius: var(--radius); padding: 0; width: min(560px, 94vw); box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
.dlg::backdrop { background: rgba(24, 58, 51, .45); }
.dlg form { padding: 1.3rem 1.4rem; display: grid; gap: .8rem; }
.dlg-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; margin-top: .4rem; }
.dlg-actions div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; margin-left: auto; }
.aide { background: var(--paper); border-radius: 4px; padding: .5rem .7rem; font-size: .9rem; margin: 0; }

.toast { position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%); background: var(--board); color: #fff; padding: .6rem 1rem; border-radius: 4px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 60; max-width: 92vw; }
.toast.show { opacity: 1; }
.toast.err { background: var(--alert); }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: .5rem; }
  .brand { padding: .2rem .5rem; }
  .nav-links { flex-direction: row; flex-wrap: wrap; }
  .side-user { margin: 0 0 0 auto; display: flex; align-items: center; }
  .main { padding: 1rem 16px 3rem; }
  .fiche { grid-template-columns: 1fr; }
  .bilan { position: static; }
  .fields.four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .fields { grid-template-columns: 1fr; }
  h1 { font-size: 1.7rem; }
}