:root{
  --primary:#2563eb; --primary-dark:#1d4ed8;
  --success:#16a34a; --danger:#dc2626; --warning:#d97706;
  --bg:#f1f5f9; --card-bg:#ffffff; --border:#e2e8f0;
  --text:#0f172a; --text-muted:#64748b;
  --radius:10px; --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:inherit;text-decoration:none}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:#0f172a;color:#cbd5e1;padding:20px 0;position:fixed;height:100vh;overflow-y:auto;transition:transform .25s;z-index:100}
.sidebar .brand{font-size:1.2rem;font-weight:700;color:#fff;padding:0 20px 20px;border-bottom:1px solid #1e293b;margin-bottom:12px}
.sidebar .brand small{display:block;font-size:.7rem;color:#64748b;font-weight:400;margin-top:2px}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:.92rem;transition:background .15s;border-left:3px solid transparent}
.sidebar nav a:hover{background:#1e293b;color:#fff}
.sidebar nav a.active{background:#1e293b;color:#fff;border-left-color:var(--primary)}
.sidebar nav .sep{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:#475569;padding:16px 20px 6px}
.sidebar svg{width:18px;height:18px;fill:currentColor;flex-shrink:0}

.main-content{flex:1;margin-left:250px;min-width:0}
.topbar{background:var(--card-bg);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar h1{font-size:1.15rem;font-weight:600}
.topbar .user-chip{font-size:.85rem;color:var(--text-muted)}
.topbar .user-chip strong{color:var(--text)}
.content{padding:24px}

/* Hamburger */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px}
.hamburger svg{width:24px;height:24px;fill:var(--text)}

/* Cards */
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-title{font-size:1.05rem;font-weight:600}
.card-body{padding:20px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:none;border-radius:8px;font-size:.88rem;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s;background:var(--border);color:var(--text)}
.btn:hover{opacity:.9}
.btn-primary{background:var(--primary);color:#fff}
.btn-secondary{background:#e2e8f0;color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-sm{padding:5px 10px;font-size:.8rem}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.75rem;font-weight:600}
.badge-primary{background:#dbeafe;color:#1e40af}
.badge-success{background:#dcfce7;color:#166534}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-gray{background:#e2e8f0;color:#475569}

/* Alerts : voir public/notifications.css (modèle de notifications) */
/* Tables */
.table-wrapper{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.88rem}
thead th{text-align:left;padding:11px 14px;background:#f8fafc;color:var(--text-muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--border);white-space:nowrap}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border)}
tbody tr:hover{background:#f8fafc}
tbody tr.row-selected{background:#fef9c3 !important}
.table-actions{display:flex;gap:6px;flex-wrap:wrap}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:.85rem;font-weight:500;color:var(--text)}
.form-group input,.form-group select,.form-group textarea{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:.9rem;font-family:inherit;background:#fff}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-actions{display:flex;gap:10px;margin-top:20px}

/* Search */
.search-bar{margin-bottom:16px}
.search-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.search-group{display:flex;flex-direction:column;gap:5px;flex:1;min-width:160px}
.search-group label{font-size:.78rem;color:var(--text-muted)}
.search-group input,.search-group select{padding:8px 11px;border:1px solid var(--border);border-radius:8px;font-size:.88rem}

/* Detail */
.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 24px}
.detail-row{display:flex;flex-direction:column;gap:2px}
.detail-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}
.detail-value{font-size:.95rem;font-weight:500}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:flex;align-items:center;gap:16px}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon svg{width:24px;height:24px;fill:#fff}
.stat-value{font-size:1.6rem;font-weight:700;line-height:1}
.stat-label{font-size:.8rem;color:var(--text-muted);margin-top:4px}

.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}
.empty-state svg{width:48px;height:48px;fill:#cbd5e1;margin-bottom:12px}

/* Auth pages */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#1e293b,#0f172a)}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,.2);width:100%;max-width:410px;padding:36px 32px}
.auth-card h1{font-size:1.4rem;margin-bottom:4px}
.auth-card .sub{color:var(--text-muted);font-size:.88rem;margin-bottom:24px}
.auth-card .form-group{margin-bottom:16px}
.auth-links{text-align:center;margin-top:18px;font-size:.85rem;color:var(--text-muted)}
.auth-links a{color:var(--primary);font-weight:500}

@media (max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .hamburger{display:inline-flex}
  .form-grid,.detail-grid{grid-template-columns:1fr}
}

/* Pied de page version */
.app-footer{text-align:center;padding:16px 24px;font-size:.8rem;color:var(--text-muted);border-top:1px solid var(--border);margin-left:250px;background:var(--card-bg)}
.auth-footer{position:fixed;bottom:12px;left:0;right:0;text-align:center;font-size:.78rem;color:rgba(255,255,255,.6)}
@media (max-width:768px){ .app-footer{margin-left:0} }

/* ── Encarts de la page Paramètres ─────────────────────────────────── */
.encarts{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.encart{display:flex;flex-direction:column;gap:10px;padding:20px;background:var(--card-bg);
  border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);
  transition:box-shadow .15s,border-color .15s,transform .15s;color:inherit}
a.encart:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(37,99,235,.12);transform:translateY(-2px)}
.encart-tete{display:flex;align-items:center;gap:12px}
.encart-icone{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;
  justify-content:center;flex-shrink:0}
.encart-icone svg{width:22px;height:22px;fill:#fff}
.encart-titre{font-size:1rem;font-weight:600;line-height:1.2}
.encart-compteur{font-size:.78rem;color:var(--text-muted);margin-top:2px}
.encart-texte{font-size:.85rem;color:var(--text-muted);line-height:1.45;flex:1}
.encart-action{font-size:.85rem;font-weight:500;color:var(--primary)}
.encart-desactive{opacity:.55;pointer-events:none}