:root {
  --papier: #F4F6F6;
  --blanc: #FFFFFF;
  --encre: #1D2B36;
  --ardoise: #5B6B77;
  --trait: #D6DDE1;
  --trait-fort: #B7C2C8;
  --petrole: #125E73;
  --petrole-clair: #E3EEF1;
  --balise: #F2B705;
  --balise-clair: #FDF3D0;
  --erreur: #B3261E;
  --erreur-clair: #FBE9E7;
  --ok: #2E7D4F;
  --rayon: 6px;
  --f-texte: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-titre: "Barlow Condensed", "Barlow", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--f-texte); font-size: 15px; line-height: 1.45;
  color: var(--encre); background: var(--papier);
  font-variant-numeric: tabular-nums;
}
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--petrole); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--f-titre); font-weight: 600; margin: 0; line-height: 1.15; }
h1 { font-size: 30px; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }
.muet { color: var(--ardoise); }
.petit { font-size: 13px; }

/* ── Structure ───────────────────────────── */
#app { display: grid; grid-template-columns: 216px 1fr; min-height: 100vh; }
.rail {
  background: var(--encre); color: #E6ECEF; padding: 22px 14px;
  display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh;
}
.rail .marque { display: flex; align-items: center; gap: 10px; padding: 0 8px 22px; }
.rail .marque svg { flex: none; }
.rail .marque b { font-family: var(--f-titre); font-size: 20px; font-weight: 600; letter-spacing: .01em; }
.rail .marque span { display: block; font-size: 12px; color: #9FB0BA; }
.rail a {
  display: flex; justify-content: space-between; align-items: center;
  color: inherit; text-decoration: none; padding: 9px 10px; border-radius: var(--rayon); font-weight: 500;
}
.rail a:hover { background: rgba(255,255,255,.07); }
.rail a[aria-current="page"] { background: rgba(255,255,255,.12); box-shadow: inset 3px 0 0 var(--balise); }
.rail .sep { height: 1px; background: rgba(255,255,255,.12); margin: 12px 8px; }
.rail .niveau { font-size: 12px; color: #9FB0BA; font-weight: 400; }
.rail .pied { margin-top: auto; padding: 12px 8px 0; font-size: 13px; color: #9FB0BA; }
.rail .pied b { display: block; color: #E6ECEF; font-weight: 500; }
.rail .pied button { background: none; border: 0; color: #9FB0BA; padding: 6px 0 0; cursor: pointer; text-decoration: underline; }
main { padding: 26px 30px 60px; min-width: 0; }
.entete { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.entete p { margin: 4px 0 0; }

/* ── Boutons & champs ────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--trait-fort);
  background: var(--blanc); padding: 7px 13px; border-radius: var(--rayon); cursor: pointer; font-weight: 500;
}
.btn:hover { border-color: var(--ardoise); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-principal { background: var(--petrole); border-color: var(--petrole); color: #fff; }
.btn-principal:hover { background: #0E4C5D; }
.btn-danger { color: var(--erreur); border-color: #E3B3AE; }
.btn-danger:hover { border-color: var(--erreur); }
.btn-lien { border: 0; background: none; padding: 0; color: var(--petrole); cursor: pointer; text-decoration: underline; }
label.champ { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ardoise); font-weight: 500; }
label.champ > span.aide { font-weight: 400; }
input[type=text], input[type=number], input[type=date], input[type=search], select, textarea {
  border: 1px solid var(--trait-fort); border-radius: var(--rayon); padding: 7px 9px; background: var(--blanc);
  font-size: 15px; color: var(--encre); width: 100%; min-width: 0;
}
input:disabled, select:disabled { background: #EEF1F2; color: var(--ardoise); }
.champ.erreur input, .champ.erreur select { border-color: var(--erreur); background: var(--erreur-clair); }
.msg-erreur { color: var(--erreur); font-size: 13px; font-weight: 500; }
.case { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.grille { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px 14px; }
.c1 { grid-column: span 1; } .c2 { grid-column: span 2; } .c3 { grid-column: span 3; } .c4 { grid-column: span 4; } .c6 { grid-column: span 6; }
.segments { display: inline-flex; border: 1px solid var(--trait-fort); border-radius: var(--rayon); overflow: hidden; }
.segments button { border: 0; background: var(--blanc); padding: 7px 12px; cursor: pointer; font-weight: 500; }
.segments button + button { border-left: 1px solid var(--trait-fort); }
.segments button[aria-pressed="true"] { background: var(--encre); color: #fff; }

/* ── Chantiers ───────────────────────────── */
.split { display: grid; grid-template-columns: minmax(300px, 420px) 1fr; gap: 22px; align-items: start; }
.outils { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.outils input[type=search] { flex: 1; min-width: 160px; }
.liste { background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); max-height: calc(100vh - 200px); overflow: auto; }
.liste .compte { padding: 8px 12px; font-size: 13px; color: var(--ardoise); border-bottom: 1px solid var(--trait); position: sticky; top: 0; background: var(--blanc); z-index: 1; }
.ligne {
  display: grid; grid-template-columns: 6px 1fr auto; gap: 0 12px; width: 100%; text-align: left;
  border: 0; border-bottom: 1px solid var(--trait); background: none; padding: 0; cursor: pointer;
}
.ligne:hover { background: #F8FAFA; }
.ligne[aria-selected="true"] { background: var(--petrole-clair); }
.ligne .pastille { align-self: stretch; }
.ligne .corps { padding: 9px 0; min-width: 0; }
.ligne .nom { font-weight: 600; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ligne .sous { font-size: 13px; color: var(--ardoise); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ligne .etiquettes { padding: 9px 12px 9px 0; display: flex; gap: 4px; align-items: center; }
.etq { font-size: 12px; padding: 1px 7px; border-radius: 10px; background: #EEF1F2; color: var(--ardoise); white-space: nowrap; }
.etq.archive { background: repeating-linear-gradient(135deg, #EEF1F2 0 5px, #E1E6E8 5px 10px); }
.etq.alerte { background: var(--balise-clair); color: #6B5200; }
.ligne.inactif .nom { color: var(--ardoise); text-decoration: line-through; text-decoration-color: var(--trait-fort); }

.fiche { background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); }
.fiche-tete { display: grid; grid-template-columns: 14px 1fr auto; gap: 14px; align-items: stretch; border-bottom: 1px solid var(--trait); }
.fiche-tete .bande { border-radius: var(--rayon) 0 0 0; }
.fiche-tete .titres { padding: 16px 0; min-width: 0; }
.fiche-tete .titres p { margin: 3px 0 0; }
.fiche-tete .actions-tete { padding: 14px 16px; display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; justify-content: flex-end; }
.fiche section { padding: 18px 20px; border-bottom: 1px solid var(--trait); }
.fiche section:last-child { border-bottom: 0; }
.fiche section > h3 { margin-bottom: 12px; }
.barre-enreg { position: sticky; bottom: 0; z-index: 500; background: var(--blanc); border-top: 1px solid var(--trait); padding: 12px 20px; display: flex; gap: 10px; align-items: center; border-radius: 0 0 var(--rayon) var(--rayon); }
.barre-enreg .etat { margin-right: auto; font-size: 13px; color: var(--ardoise); }
.carte { height: 340px; border: 1px solid var(--trait); border-radius: var(--rayon); margin-top: 10px; z-index: 0; }
.carte-outils { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.avert { background: var(--balise-clair); border-left: 3px solid var(--balise); padding: 8px 12px; font-size: 14px; margin: 0 0 12px; }
.verrou { font-size: 12px; color: var(--ardoise); }
.historique { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.historique li { padding: 8px 0; border-bottom: 1px dashed var(--trait); }
.historique li:last-child { border-bottom: 0; }
.historique .qui { font-weight: 500; }
.historique .diff { color: var(--ardoise); font-size: 13px; margin-top: 2px; }
.historique del { color: var(--erreur); text-decoration-color: rgba(179,38,30,.4); }
.historique ins { color: var(--ok); text-decoration: none; }
.vide { padding: 40px 24px; text-align: center; color: var(--ardoise); }

/* ── Fermetures : calendrier annuel ─────── */
.annee { display: flex; align-items: center; gap: 6px; }
.annee b { font-family: var(--f-titre); font-size: 26px; min-width: 64px; text-align: center; }
.calendrier { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px 22px; background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 18px 20px; }
.mois h3 { font-size: 15px; margin-bottom: 6px; text-transform: capitalize; }
.mois .jours { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.mois .jsem { font-size: 11px; color: var(--ardoise); text-align: center; padding-bottom: 2px; }
.jour {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 12.5px;
  border: 0; background: none; border-radius: 4px; padding: 0; cursor: default; color: var(--encre);
}
button.jour { cursor: pointer; }
button.jour:hover { outline: 1px solid var(--trait-fort); }
.jour.we { color: #A3AFB6; }
.jour.ferme { background: var(--balise); color: var(--encre); font-weight: 600; }
.jour.ferme.we { background: #F7DB7F; color: #6B5200; }
.jour.auj { box-shadow: inset 0 0 0 2px var(--petrole); }
.legende { display: flex; gap: 16px; font-size: 13px; color: var(--ardoise); margin: 10px 0 0; flex-wrap: wrap; }
.legende i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 5px; }
.ferm-grille { display: grid; grid-template-columns: 1fr 360px; gap: 22px; align-items: start; margin-top: 22px; }
.panneau { background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 16px 18px; }
.panneau + .panneau { margin-top: 16px; }
.panneau h3 { margin-bottom: 10px; }
.tableau { width: 100%; border-collapse: collapse; font-size: 14px; }
.tableau th { text-align: left; font-weight: 500; color: var(--ardoise); font-size: 13px; border-bottom: 1px solid var(--trait); padding: 6px 8px; }
.tableau td { border-bottom: 1px solid var(--trait); padding: 8px; vertical-align: middle; }
.tableau tr:last-child td { border-bottom: 0; }
.tableau tr.passe td { color: var(--ardoise); }
.tableau tr.selection td { background: var(--petrole-clair); }
.tableau .quand { white-space: nowrap; font-weight: 500; }
.suggestion { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--trait); font-size: 14px; }
.suggestion:last-child { border-bottom: 0; }
.form-ferm { display: flex; flex-direction: column; gap: 12px; }
.jm { display: grid; grid-template-columns: 1fr 1.4fr; gap: 6px; }

/* ── Écrans simples, toasts, dialogue ───── */
.ecran-centre { grid-column: 1 / -1; min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.carte-accueil { background: var(--blanc); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 34px 36px; max-width: 440px; }
.carte-accueil h1 { margin-bottom: 8px; }
.carte-accueil p { margin: 0 0 20px; color: var(--ardoise); }
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 1000; }
.toast { background: var(--encre); color: #fff; padding: 10px 14px; border-radius: var(--rayon); max-width: 380px; font-size: 14px; box-shadow: 0 6px 20px rgba(29,43,54,.25); }
.toast.erreur { background: var(--erreur); }
dialog { border: 1px solid var(--trait); border-radius: var(--rayon); padding: 20px 22px; max-width: 440px; }
dialog::backdrop { background: rgba(29,43,54,.35); }
dialog .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

@media (max-width: 1100px) {
  .calendrier { grid-template-columns: repeat(3, 1fr); }
  .ferm-grille { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 12px; }
  .rail .marque { padding: 0 10px 0 0; }
  .rail .sep, .rail .pied .nom-complet, .rail .niveau { display: none; }
  .rail .pied { margin: 0 0 0 auto; padding: 0; }
  main { padding: 18px 14px 50px; }
  .split { grid-template-columns: 1fr; }
  .split.detail .col-liste { display: none; }
  .liste { max-height: none; }
  .grille { grid-template-columns: repeat(2, 1fr); }
  .c2, .c3, .c4, .c6 { grid-column: span 2; } .c1 { grid-column: span 1; }
  .calendrier { grid-template-columns: repeat(2, 1fr); padding: 14px; }
}
@media (min-width: 901px) { .retour-liste { display: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
.segments button { white-space: nowrap; }
.form-ferm .segments { display: flex; }
.form-ferm .segments button { flex: 1; padding: 7px 8px; }
@media (max-width: 900px) {
  .fiche-tete { grid-template-columns: 8px 1fr; }
  .fiche-tete .actions-tete { grid-column: 2; justify-content: flex-start; padding: 0 16px 14px 0; }
}