* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  line-height: 1.5;
}

/* ==========================================
   NAVBAR FIXE ET DYNAMIQUE
   ========================================== */
.navbar-maintenance {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 65px;
  background-color: #004b8d;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-brand-maint h2 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
}

.nav-links-maint {
  display: flex;
  gap: 15px;
}

.maint-link {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.maint-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.maint-link.active {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.nav-user-maint {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 13px;
  font-weight: 600;
}

#user-display {
  background-color: rgba(255, 255, 255, 0.15);
  padding: 5px 12px;
  border-radius: 20px;
}

.btn-logout-maint {
  background-color: #ef4444;
  color: #ffffff;
  border: none;
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.btn-logout-maint:hover {
  background-color: #dc2626;
}

/* ==========================================
   STYLES PRÉCÉDENTS D'ORIGINE
   ========================================== */
.header {
  background-color: #004b8d;
  color: #ffffff;
  padding: 24px;
  text-align: center;
}

.container {
  max-width: 1300px;
  margin: 20px auto;
  padding: 0 15px;
}

/* Filtres */
.filters-bar {
  background: #ffffff;
  padding: 18px;
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: flex-end;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 150px;
}

.filter-group label {
  font-size: 12px;
  font-weight: 700;
  color: #475569;
  text-transform: uppercase;
}

.filter-group select,
.filter-group input[type="date"] {
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  outline: none;
  font-size: 13px;
  background-color: #fff;
}

.filter-actions {
  display: flex;
  gap: 10px;
}

.btn {
  padding: 9px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}

.btn-primary { background: #0284c7; color: white; }
.btn-secondary { background: #e2e8f0; color: #334155; }

/* KPIs */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.kpi-card {
  background: white;
  padding: 16px;
  border-radius: 8px;
  border-left: 4px solid #004b8d;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.kpi-card.success { border-left-color: #22c55e; }
.kpi-card.danger { border-left-color: #ef4444; }
.kpi-card.prediction { border-left-color: #8b5cf6; }

.kpi-card h3 {
  font-size: 11px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-value {
  font-size: 22px;
  font-weight: bold;
  margin-top: 5px;
}

.kpi-card small {
  font-size: 11px;
  color: #8b5cf6;
  font-weight: 600;
}

/* Charts Grid Layout */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.card-wide {
  grid-column: span 2;
}

@media (max-width: 900px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .card-wide {
    grid-column: span 1;
  }
}

.card h2 {
  font-size: 15px;
  margin-bottom: 15px;
  color: #0f172a;
}

.chart-box {
  position: relative;
  height: 290px;
}

/* Table */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid #e2e8f0;
}

th {
  background: #f8fafc;
  color: #475569;
}

.badge {
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-resolu { background: #dcfce7; color: #15803d; }
.badge-encours { background: #ffedd5; color: #c2410c; }
.badge-attente { background: #dbeafe; color: #1d4ed8; }
.badge-pasresolu { background: #fee2e2; color: #b91c1c; }

/*----------------------------*/

/* --- Variables & Configuration Générale --- */
:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --warning: #ea580c;
  --warning-hover: #c2410c;
  --success: #16a34a;
  --success-hover: #15803d;
  --danger: #dc2626;
  --bg-main: #f1f5f9;
  --card-bg: #ffffff;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --border: #cbd5e1;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-dark);
  padding-bottom: 40px;
}

/* --- Barre de Navigation --- */
.navbar-maintenance {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 65px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-brand-maint h2 {
  font-size: 1.2rem;
  color: var(--text-dark);
}

.nav-links-maint {
  display: flex;
  gap: 20px;
}

.maint-link {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

.maint-link:hover, .maint-link.active {
  color: var(--primary);
  background-color: #e0f2fe;
}

/* --- Boutons Généraux --- */
.btn {
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }

.btn-secondary { background-color: #64748b; color: white; }
.btn-secondary:hover { background-color: #475569; }

.btn-success { background-color: var(--success); color: white; }
.btn-success:hover { background-color: var(--success-hover); }

.btn-logout-maint {
  background-color: #fee2e2;
  color: var(--danger);
  border: 1px solid #fca5a5;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.btn-logout-maint:hover {
  background-color: #fecaca;
}

/* --- Grille Kanban / Puzzles --- */
.puzzle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 25px;
}

.puzzle-col {
  background: #023a63;
  border-radius: 10px;
  padding: 16px;
  border: 1px solid var(--border);
  min-height: 550px;
  display: flex;
  flex-direction: column;
}

.puzzle-col h2 {
  font-size: 1.05rem;
  margin-bottom: 15px;
  text-align: center;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

.card-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

/* --- Cartes d'intervention --- */
.card-demande {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  transition: all 0.2s ease-in-out;
  position: relative;
}

.card-attente {
  cursor: pointer;
  border-left: 4px solid var(--primary);
}

.card-attente:hover {
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-encours {
  border-left: 4px solid var(--warning);
}

.card-traitee {
  border-left: 4px solid var(--success);
  opacity: 0.9;
}

.card-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.card-info {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.card-actions {
  margin-top: 12px;
  display: flex;
  gap: 6px;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-urgence { background-color: #fef2f2; color: var(--danger); }
.badge-resolu { background-color: #dcfce7; color: var(--success); }

/* --- Modale --- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 3000;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  padding: 24px;
  border-radius: 12px;
  max-width: 520px;
  width: 90%;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-content h3 {
  color: var(--text-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.modal-details {
  background-color: #f8fafc;
  border-radius: 6px;
  padding: 12px;
  margin: 15px 0;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
}

.filter-group select,
.filter-group input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  font-size: 0.9rem;
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--primary);
}