:root {
  --bleu: #0b5394;
  --bleu-clair: #e8f1fa;
  --bleu-fonce: #073763;
  --vert: #1e7e34;
  --rouge: #b02a2a;
  --gris-texte: #2c2f33;
  --gris-bordure: #dde3ea;
  --fond: #f5f7fa;
  --blanc: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--fond);
  color: var(--gris-texte);
  line-height: 1.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 { font-size: 1.5rem; margin: 0 0 1rem; color: var(--bleu-fonce); }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; color: var(--bleu-fonce); }

a { color: var(--bleu); }

/* Barre de navigation */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bleu-fonce);
  color: var(--blanc);
  padding: .75rem 1.5rem;
  flex-wrap: wrap;
  gap: .5rem;
}
.topbar-brand { font-weight: 600; }
.topbar-nav { display: flex; gap: 1rem; }
.topbar-nav a { color: var(--blanc); text-decoration: none; opacity: .9; }
.topbar-nav a:hover { text-decoration: underline; opacity: 1; }
.topbar-user { display: flex; align-items: center; gap: .75rem; font-size: .9rem; }
.topbar-user a { color: var(--blanc); }

/* Boîte de connexion */
.auth-box {
  max-width: 380px;
  margin: 4rem auto;
  background: var(--blanc);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  text-align: center;
}
.auth-box h1 { font-size: 1.3rem; }
.subtitle { color: #6b7280; margin-top: -.5rem; margin-bottom: 1.5rem; }

/* Formulaires */
.form { display: flex; flex-direction: column; gap: .4rem; text-align: left; }
.form label { font-size: .85rem; font-weight: 600; color: #444; margin-top: .5rem; }
.form input, .form select {
  padding: .55rem .6rem;
  border: 1px solid var(--gris-bordure);
  border-radius: 6px;
  font-size: 1rem;
}
.form-inline { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; }
.form-inline label { display: block; font-size: .8rem; font-weight: 600; color: #444; }
.form-inline input, .form-inline select { padding: .5rem .6rem; border: 1px solid var(--gris-bordure); border-radius: 6px; }
.form-inline-compact { display: flex; gap: .4rem; }
.form-inline-compact input { padding: .35rem .5rem; border: 1px solid var(--gris-bordure); border-radius: 6px; width: 9rem; }
.hint { color: #6b7280; font-size: .85rem; }

.btn {
  display: inline-block;
  border: none;
  border-radius: 6px;
  padding: .6rem 1.1rem;
  font-size: .95rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary { background: var(--bleu); color: var(--blanc); }
.btn-primary:hover { background: var(--bleu-fonce); }
.btn-secondary { background: var(--blanc); color: var(--bleu); border: 1px solid var(--bleu); }
.btn-danger { background: var(--blanc); color: var(--rouge); border: 1px solid var(--rouge); }
.btn-small { padding: .3rem .6rem; font-size: .82rem; }

.alert { padding: .7rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: .9rem; }
.alert-error { background: #fdecea; color: var(--rouge); border: 1px solid #f5c6cb; }

.card {
  background: var(--blanc);
  border: 1px solid var(--gris-bordure);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { padding: .5rem .6rem; border-bottom: 1px solid var(--gris-bordure); text-align: left; }
.table thead th { background: var(--bleu-clair); color: var(--bleu-fonce); font-weight: 600; }
.table input[type=text], .table input[type=number] { padding: .3rem .4rem; border: 1px solid var(--gris-bordure); border-radius: 4px; width: 100%; }
.table-actions { white-space: nowrap; display: flex; gap: .4rem; }
.table-total-row td { background: var(--bleu-clair); font-weight: 600; }
.table-scroll { overflow-x: auto; }
.table-compact th, .table-compact td { padding: .4rem .5rem; white-space: nowrap; }
.cell-n1 { color: #8a94a3; font-size: .82em; }

/* Grille de saisie */
.month-nav { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin-bottom: 1rem; }
.month-nav-current { font-weight: 700; font-size: 1.1rem; color: var(--bleu-fonce); min-width: 10rem; text-align: center; }
.table-saisie { max-width: 480px; }
.table-saisie td:nth-child(3) { width: 6rem; }
.input-nuitee { width: 5.5rem; padding: .35rem .4rem; font-size: 1rem; border: 1px solid var(--gris-bordure); border-radius: 5px; }
.save-status { font-size: .85rem; width: 6rem; }
.save-status.saving { color: #8a94a3; }
.save-status.saved { color: var(--vert); }
.save-status.error { color: var(--rouge); }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.badge-realise { background: #e6f4ea; color: var(--vert); }
.badge-prevision { background: #fff4e0; color: #a35a00; }

/* Cartes de statistiques */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--blanc); border: 1px solid var(--gris-bordure); border-radius: 10px; padding: 1rem 1.2rem; }
.stat-label { font-size: .8rem; color: #6b7280; margin-bottom: .3rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--bleu-fonce); }
.stat-up { color: var(--vert) !important; }
.stat-down { color: var(--rouge) !important; }

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .form-inline { flex-direction: column; align-items: stretch; }
}