/* Interface : encre ardoise + un seul accent. Minimal, dense, lisible.
   L'IMPRESSION reste en gris neutre, comme les formulaires papier. */
:root {
  --encre:      #0f172a;   /* barre latérale, titres */
  --encre-2:    #1e293b;
  --accent:     #2563eb;   /* actions, état actif */
  --accent-sombre: #1d4ed8;
  --accent-pale: #eff6ff;
  --texte:      #1e293b;
  --doux:       #64748b;   /* texte secondaire */
  --trait:      #e2e8f0;
  --fond:       #f1f5f9;
  --blanc:      #ffffff;
  --zebre:      #f8fafc;
  --ambre:      #b45309;  --ambre-pale: #fffbeb;
  --vert:       #047857;  --vert-pale:  #ecfdf5;
  --rouge:      #be123c;  --rouge-pale: #fff1f2;
  /* impression */
  --gris-bande: #595959; --gris-moyen: #808080; --gris-clair: #d9d9d9; --gris-tres-clair: #f2f2f2;
  --ombre:   0 1px 2px rgba(15,23,42,.05), 0 2px 8px rgba(15,23,42,.05);
  --ombre-f: 0 4px 12px rgba(15,23,42,.08), 0 12px 32px rgba(15,23,42,.08);
  --r: 8px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--fond); color: var(--texte);
  font: 14px/1.5 "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }

/* ------------------------------------------------------------- connexion */
.connexion { display: grid; place-items: center; min-height: 100vh; padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, #1e293b 0%, #0f172a 60%); }
.carte-connexion { width: min(400px, 100%); background: var(--blanc);
  border-radius: 14px; box-shadow: var(--ombre-f); overflow: hidden; }
.carte-connexion header { padding: 26px 26px 20px; border-bottom: 1px solid var(--trait); }
.carte-connexion header h1 { font-size: 19px; color: var(--encre); }
.carte-connexion header p { margin: 5px 0 0; font-size: 13px; color: var(--doux); }
.carte-connexion form { padding: 22px 26px 26px; display: grid; gap: 15px; }

label { display: grid; gap: 6px; font-size: 12px; font-weight: 600; color: var(--doux); }
input, select, textarea {
  padding: 9px 11px; border: 1px solid var(--trait); border-radius: 7px;
  background: var(--blanc); color: var(--texte); font-weight: 400;
  transition: border-color .12s, box-shadow .12s;
}
input:hover, select:hover, textarea:hover { border-color: #cbd5e1; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.13);
}
textarea { resize: vertical; min-height: 60px; }

.bouton {
  padding: 9px 16px; border: 1px solid var(--accent); border-radius: 7px;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 13px;
  transition: background .12s, box-shadow .12s, transform .06s;
}
.bouton:hover { background: var(--accent-sombre); border-color: var(--accent-sombre); }
.bouton:active { transform: translateY(1px); }
.bouton.secondaire { background: var(--blanc); color: var(--texte); border-color: var(--trait); }
.bouton.secondaire:hover { background: var(--fond); border-color: #cbd5e1; }
.bouton.danger { background: var(--blanc); color: var(--rouge); border-color: #fecdd3; }
.bouton.danger:hover { background: var(--rouge-pale); }
.bouton:disabled { opacity: .5; cursor: not-allowed; }

.message { padding: 10px 13px; border-radius: 7px; font-size: 13px; border: 1px solid; }
.message.erreur { background: var(--rouge-pale); color: var(--rouge); border-color: #fecdd3; }
.message.ok { background: var(--vert-pale); color: var(--vert); border-color: #a7f3d0; }

/* --------------------------------------------------------------- charpente */
.appli { display: grid; grid-template-columns: 252px 1fr; min-height: 100vh; }
.rail { background: var(--encre); color: #cbd5e1; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; }
.rail .marque { padding: 18px 20px 16px; border-bottom: 1px solid rgba(148,163,184,.14); }
.rail .marque strong { display: block; font-size: 14.5px; color: #fff; letter-spacing: -.01em; }
.rail .marque span { font-size: 11px; color: #64748b; }
.rail nav { padding: 8px 0 14px; flex: 1; overflow-y: auto; scrollbar-width: thin; }
.rail nav::-webkit-scrollbar { width: 6px; }
.rail nav::-webkit-scrollbar-thumb { background: rgba(148,163,184,.25); border-radius: 3px; }
.rail .groupe { padding: 14px 20px 6px; font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: #64748b; font-weight: 700; }
.rail a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin: 1px 10px; padding: 7px 11px; border-radius: 6px;
  color: #cbd5e1; text-decoration: none; font-size: 13px; transition: background .1s, color .1s;
}
.rail a:hover { background: rgba(148,163,184,.12); color: #fff; }
.rail a.actif { background: var(--accent); color: #fff; font-weight: 600; }
.rail a .code { font-size: 10px; font-weight: 700; letter-spacing: .04em;
  color: #64748b; background: rgba(148,163,184,.12); padding: 1px 6px; border-radius: 4px; }
.rail a.actif .code { color: #fff; background: rgba(255,255,255,.22); }
.rail .pied { padding: 14px 20px; border-top: 1px solid rgba(148,163,184,.14); }
.rail .pied b { display: block; color: #fff; font-size: 13px; }
.rail .pied span { color: #64748b; font-size: 11.5px; }
.rail .pied button { margin-top: 10px; width: 100%; background: transparent; color: #cbd5e1;
  border: 1px solid rgba(148,163,184,.25); border-radius: 6px; padding: 6px; font-size: 12px; }
.rail .pied button:hover { background: rgba(148,163,184,.12); color: #fff; }

.contenu { padding: 24px 28px 64px; overflow-x: hidden; }
.titre-page { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.titre-page h2 { font-size: 20px; color: var(--encre); }
.titre-page .espace { flex: 1; }

/* ------------------------------------------------------------- statistiques */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 18px; }
.stat { background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--r);
  padding: 13px 15px; box-shadow: var(--ombre); }
.stat .v { font-size: 23px; font-weight: 650; color: var(--encre); letter-spacing: -.02em;
  font-variant-numeric: tabular-nums; }
.stat .l { font-size: 11.5px; color: var(--doux); margin-top: 1px; }
.stat.accent .v { color: var(--accent); }

/* ------------------------------------------------------------------ tables */
.panneau { background: var(--blanc); border: 1px solid var(--trait);
  border-radius: var(--r); box-shadow: var(--ombre); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--zebre); color: var(--doux); font-size: 11px; text-align: left;
  padding: 9px 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  white-space: nowrap; border-bottom: 1px solid var(--trait); }
tbody td { padding: 9px 12px; border-top: 1px solid #f1f5f9; font-size: 13.5px; }
tbody tr.cliquable { transition: background .1s; }
tbody tr.cliquable:hover { background: var(--accent-pale); cursor: pointer; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.vide { padding: 48px 20px; text-align: center; color: var(--doux); font-size: 13.5px; }
.vide strong { display: block; color: var(--texte); font-size: 15px; margin-bottom: 4px; }

.etiq { display: inline-block; padding: 2px 9px; border-radius: 20px;
  font-size: 11px; font-weight: 650; border: 1px solid; }
.etiq.brouillon { background: var(--ambre-pale); color: var(--ambre); border-color: #fde68a; }
.etiq.valide    { background: var(--vert-pale);  color: var(--vert);  border-color: #a7f3d0; }
.etiq.annule    { background: var(--rouge-pale); color: var(--rouge); border-color: #fecdd3; }

/* ----------------------------------------------------------------- formulaire */
.section { margin-bottom: 16px; background: var(--blanc); border: 1px solid var(--trait);
  border-radius: var(--r); box-shadow: var(--ombre); overflow: hidden; }
.section > h3 { background: var(--zebre); color: var(--encre); padding: 9px 15px;
  font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase;
  border-bottom: 1px solid var(--trait); }
.section > .corps { padding: 16px; }
.grille { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.requis::after { content: " *"; color: var(--rouge); }

.lignes td { padding: 2px; border-top: 1px solid #f1f5f9; }
.lignes input { width: 100%; border: 1px solid transparent; background: transparent;
  padding: 6px 8px; border-radius: 5px; }
.lignes input:hover { border-color: var(--trait); }
.lignes input:focus { background: var(--blanc); border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.lignes input[readonly] { background: var(--zebre); color: var(--encre); font-weight: 650; }
.lignes td.rang { text-align: center; color: #94a3b8; font-size: 12px; width: 36px; }

.recap { margin-left: auto; width: min(430px, 100%); }
.recap td { border: none; padding: 5px 10px; }
.recap tr td:first-child { text-align: right; font-weight: 600; color: var(--doux); font-size: 13px; }
.recap tr td:last-child { text-align: right; width: 160px; font-variant-numeric: tabular-nums;
  font-weight: 600; }
.recap tr.fort td { background: var(--encre); color: #fff; font-size: 15px; padding: 10px; }
.recap tr.fort td:first-child { color: #cbd5e1; border-radius: 7px 0 0 7px; }
.recap tr.fort td:last-child { border-radius: 0 7px 7px 0; }
.recap input { width: 120px; text-align: right; padding: 5px 8px; }

.barre-actions { display: flex; gap: 10px; align-items: center; margin-top: 18px; flex-wrap: wrap; }

/* ------------------------------------------------------- feuille imprimable */
.feuille { background: #fff; padding: 26px 30px; color: #1a1a1a;
  font-family: Calibri, "Segoe UI", sans-serif; }
.feuille .entete-soc { border-bottom: 2px solid var(--gris-bande); padding-bottom: 8px; }
.feuille .entete-soc strong { font-size: 15px; color: #404040; }
.feuille .entete-soc div { font-size: 11px; color: #6e7a74; }
.feuille .titre-doc { text-align: center; font-size: 15px; font-weight: 700; color: #404040;
  margin: 14px 0 10px; letter-spacing: .04em; }
.feuille .bandeau-num { display: flex; border: 2px solid var(--gris-moyen);
  font-weight: 700; font-size: 13px; }
.feuille .bandeau-num > div { padding: 6px 10px; }
.feuille .bandeau-num > div:first-child { flex: 1; background: var(--gris-tres-clair);
  border-right: 1px solid var(--gris-moyen); }
.feuille dl { display: grid; grid-template-columns: max-content 1fr; gap: 3px 14px; margin: 0; }
.feuille dt { font-weight: 700; font-size: 12px; color: #404040; }
.feuille dd { margin: 0; font-size: 13px; border-bottom: 1px dotted #b9b9b9; }
.feuille table thead th { background: var(--gris-moyen); color: #fff; text-transform: none;
  letter-spacing: 0; border: none; font-size: 11px; }
.feuille table tbody td { border-top: 1px solid #e3e3e3; }
.feuille .recap tr.fort td { background: var(--gris-bande); border-radius: 0; }
.feuille .recap tr.fort td:first-child { color: #fff; }
.feuille .visas { display: flex; gap: 10px; margin-top: 18px; }
.feuille .visas > div { flex: 1; border: 1px solid var(--gris-moyen); }
.feuille .visas h4 { margin: 0; background: var(--gris-tres-clair); text-align: center;
  padding: 5px; font-size: 12px; color: #404040; }
.feuille .visas p { margin: 0; height: 58px; padding: 4px 8px; font-size: 11px; color: #8a8a8a; }
.filigrane { color: var(--rouge); border: 2px solid var(--rouge); padding: 3px 12px;
  display: inline-block; font-weight: 700; transform: rotate(-2.5deg); border-radius: 3px; }

@media print {
  .rail, .barre-actions, .titre-page, .non-imprimable, .stats { display: none !important; }
  .appli { display: block; }
  .contenu { padding: 0; }
  .panneau { border: none; box-shadow: none; border-radius: 0; }
  .feuille { padding: 0; }
  body { background: #fff; }
  .feuille table thead th, .feuille .recap tr.fort td, .feuille .visas h4,
  .feuille .bandeau-num > div:first-child {
    -webkit-print-color-adjust: exact; print-color-adjust: exact;
  }
  @page { size: A4 portrait; margin: 12mm 10mm; }
}

@media (max-width: 860px) {
  .appli { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; }
  .contenu { padding: 16px; }
}