.charts-grid { display:grid; grid-template-columns:1.4fr 1fr; gap:20px; margin-bottom:20px; }
        .chart-card { background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow); padding:22px 24px; border:1px solid var(--border); }
        .chart-card .card-header { margin-bottom:6px; }
        .chart-card .card-header h3 { font-size:15.5px; font-weight:800; color:#1e2532; }
        .chart-card .chart-sub { font-size:11.5px; color:var(--text-light); margin-bottom:14px; }
        .chart-card canvas { max-height:280px; }
        .ring-chart-wrap { position:relative; height:230px; margin-bottom:4px; }
        .ring-center { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); text-align:center; pointer-events:none; }
        .ring-center .ring-val { font-size:20px; font-weight:800; color:#1e2532; line-height:1.1; }
        .ring-center .ring-lbl { font-size:10px; color:var(--text-light); text-transform:uppercase; letter-spacing:.5px; margin-top:2px; }
        .chart-legend-custom { display:flex; flex-wrap:wrap; gap:10px 16px; margin-top:14px; font-size:12px; color:var(--text-light); }
        .chart-legend-custom span.dot { display:inline-block; width:9px; height:9px; border-radius:50%; margin-right:5px; }
        .kpi-row { display:flex; gap:14px; margin-top:14px; flex-wrap:wrap; }
        .kpi-pill { flex:1; min-width:110px; background:var(--bg); border-radius:12px; padding:12px 14px; }
        .kpi-pill .kpi-val { font-size:16px; font-weight:800; color:#1e2532; }
        .kpi-pill .kpi-lbl { font-size:10.5px; color:var(--text-light); text-transform:uppercase; letter-spacing:.4px; }
        @media (max-width:900px){ .charts-grid { grid-template-columns:1fr; } }
        :root {
            --primary: #1a3a5c;
            --primary-light: #1e4d7b;
            --primary-dark: #0f2440;
            --secondary: #2c7be5;
            --accent: #f0a500;
            --success: #00a854;
            --danger: #e74c3c;
            --warning: #f39c12;
            --info: #3498db;
            --bg: #f2f4fb;
            --card: #fff;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --border: #e6e9f0;
            --shadow: 0 2px 12px rgba(30,41,90,.07);
            --shadow-lg: 0 14px 40px rgba(30,41,90,.16);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: 0.2s ease;
            --sidebar-w: 250px;
            --header-h: 64px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            /* Palette premium — dégradés utilisés pour la sidebar, le logo et les cartes KPI */
            --grad-indigo: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
            --grad-blue: linear-gradient(135deg, #2f7dee 0%, #4f9ffb 100%);
            --grad-pink: linear-gradient(135deg, #e8397a 0%, #f2668e 100%);
            --grad-orange: linear-gradient(135deg, #f5a524 0%, #f7c948 100%);
            --grad-green: linear-gradient(135deg, #18b46e 0%, #34d399 100%);
        }
        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: var(--font);
            background: var(--bg);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }
        /* SIDEBAR */
        .sidebar {
            width: var(--sidebar-w);
            height: 100vh;
            position: fixed;
            top:0; left:0;
            background: linear-gradient(180deg, #1c2542 0%, #16213e 55%, #101830 100%);
            color: #fff;
            z-index: 100;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition);
            box-shadow: 4px 0 24px rgba(15,20,40,.25);
        }
        .sidebar-header {
            padding: 22px 18px;
            border-bottom: 1px solid rgba(255,255,255,.08);
            display: flex; align-items:center; gap:12px;
        }
        .sidebar-header .logo-icon {
            font-size:20px; background:var(--grad-indigo); color:#fff;
            width:42px; height:42px; border-radius:12px;
            display:flex; align-items:center; justify-content:center;
            font-weight:800; flex-shrink:0;
            box-shadow:0 6px 16px rgba(67,56,202,.45);
        }
        .sidebar-header h2 { font-size:15px; font-weight:700; line-height:1.2; }
        .sidebar-header small { font-size:10px; opacity:.6; letter-spacing:1px; text-transform:uppercase; }
        .sidebar-nav { flex:1; overflow-y:auto; padding:14px 12px; }
        .sidebar-nav .nav-section {
            padding:14px 8px 6px; font-size:10px; text-transform:uppercase;
            letter-spacing:1.5px; opacity:.4; font-weight:700;
        }
        .sidebar-nav a {
            display:flex; align-items:center; gap:11px;
            padding:10px 14px; margin-bottom:2px; border-radius:10px;
            color:rgba(255,255,255,.68);
            text-decoration:none; font-size:13.5px; font-weight:500;
            transition: all var(--transition); border-left:3px solid transparent; cursor:pointer;
        }
        .sidebar-nav a:hover { background:rgba(255,255,255,.06); color:#fff; }
        .sidebar-nav a.active {
            background: var(--grad-blue); color:#fff; border-left-color:transparent;
            box-shadow:0 6px 16px rgba(47,125,238,.35); font-weight:600;
        }
        .sidebar-nav a .nav-icon { width:20px; text-align:center; font-size:15px; flex-shrink:0; }
        .sidebar-footer {
            padding:14px 18px; border-top:1px solid rgba(255,255,255,.08);
            font-size:11px; display:flex; align-items:center; gap:8px;
            cursor:pointer; color:rgba(255,255,255,.6); transition:color var(--transition);
        }
        .sidebar-footer:hover { color:#fff; }
        /* MAIN */
        .main {
            margin-left: var(--sidebar-w);
            flex:1; min-height:100vh; display:flex; flex-direction:column;
        }
        /* Écrans plein-écran sans sidebar/topbar (chargement, connexion) : on annule le
           décalage laissé par la sidebar afin que le contenu soit réellement centré. */
        .main.full-screen { margin-left: 0; }
        .topbar {
            height: var(--header-h);
            background:#fff; border-bottom:1px solid var(--border);
            display:flex; align-items:center; justify-content:space-between;
            padding:0 26px; box-shadow:var(--shadow); position:sticky; top:0; z-index:50; gap:16px;
        }
        .topbar .page-title { font-size:19px; font-weight:800; color:#1e2532; }
        .topbar .user-badge {
            display:flex; align-items:center; gap:9px; font-size:13px; font-weight:600;
            background:var(--bg); padding:6px 14px 6px 6px; border-radius:24px; cursor:pointer;
        }
        .topbar .user-badge .avatar {
            width:34px; height:34px; border-radius:50%; background:var(--grad-blue);
            color:#fff; display:flex; align-items:center; justify-content:center;
            font-weight:700; font-size:13px;
        }
        .content { flex:1; padding:24px 26px; overflow-y:auto; overflow-x:hidden; max-width:100%; }
        /* CARDS */
        .card {
            background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow);
            padding:22px 24px; margin-bottom:20px; border:1px solid var(--border);
        }
        .card-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; flex-wrap:wrap; gap:10px; }
        .card-header h3 { font-size:16px; font-weight:700; color:#1e2532; }
        /* BUTTONS */
        .btn {
            display:inline-flex; align-items:center; gap:6px; padding:10px 18px;
            border:none; border-radius:var(--radius-sm); cursor:pointer;
            font-size:13px; font-weight:600; transition:all var(--transition);
            white-space:nowrap; text-decoration:none; font-family:var(--font);
        }
        .btn-primary { background:var(--grad-blue); color:#fff; box-shadow:0 6px 16px rgba(47,125,238,.28); }
        .btn-primary:hover { filter:brightness(1.06); box-shadow:0 8px 20px rgba(47,125,238,.4); transform:translateY(-1px); }
        .btn-success { background:var(--success); color:#fff; }
        .btn-success:hover { background:#008c45; }
        .btn-danger { background:var(--danger); color:#fff; }
        .btn-danger:hover { background:#c0392b; }
        .btn-warning { background:var(--warning); color:#fff; }
        .btn-outline { background:#fff; color:#374151; border:1.5px solid var(--border); }
        .btn-outline:hover { background:var(--bg); border-color:#c7cede; }
        .btn-sm { padding:6px 12px; font-size:11px; }
        .btn-xs { padding:3px 8px; font-size:10px; border-radius:4px; }
        .btn-accent { background:var(--accent); color:#fff; }
        /* TABLES */
        .table-wrap { overflow-x:auto; max-width:100%; max-height:55vh; overflow-y:auto; }
        table { width:100%; border-collapse:collapse; font-size:13px; table-layout:auto; }
        table th, table td { padding:10px 12px; text-align:left; border-bottom:1px solid var(--border); max-width:320px; overflow-wrap:break-word; word-break:break-word; }
        table th { background:#f8f9fa; font-weight:700; color:var(--primary); position:sticky; top:0; z-index:1; white-space:nowrap; }
        table tbody tr:hover { background:#f5f7fa; }
        .badge { display:inline-block; padding:4px 10px; border-radius:12px; font-size:11px; font-weight:600; }
        .badge-success { background:#d4edda; color:#155724; }
        .badge-warning { background:#fff3cd; color:#856404; }
        .badge-info { background:#d1ecf1; color:#0c5460; }
        .badge-danger { background:#f8d7da; color:#721c24; }
        /* STATS */
        .dash-greeting {
            display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:14px;
            margin-bottom:22px;
        }
        .dash-greeting h1 { font-size:22px; font-weight:800; color:#1e2532; }
        .dash-greeting p { font-size:13px; color:var(--text-light); margin-top:2px; }
        .stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:18px; margin-bottom:22px; }
        .stat-card {
            border-radius:var(--radius); padding:20px 22px;
            display:flex; align-items:center; gap:14px; transition:transform var(--transition), box-shadow var(--transition);
            color:#fff; position:relative; overflow:hidden;
        }
        .stat-card:hover { transform:translateY(-3px); }
        .stat-card .stat-icon {
            width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center;
            font-size:20px; flex-shrink:0; background:rgba(255,255,255,.22); backdrop-filter:blur(2px);
        }
        .stat-card .stat-value { font-size:23px; font-weight:800; line-height:1.15; }
        .stat-card .stat-label { font-size:12px; opacity:.92; font-weight:500; margin-top:1px; }
        .stat-card.grad-blue   { background:var(--grad-blue);   box-shadow:0 10px 24px rgba(47,125,238,.32); }
        .stat-card.grad-pink   { background:var(--grad-pink);   box-shadow:0 10px 24px rgba(232,57,122,.30); }
        .stat-card.grad-orange { background:var(--grad-orange); box-shadow:0 10px 24px rgba(245,165,36,.30); }
        .stat-card.grad-green  { background:var(--grad-green);  box-shadow:0 10px 24px rgba(24,180,110,.30); }
        .stat-card.grad-indigo { background:var(--grad-indigo); box-shadow:0 10px 24px rgba(67,56,202,.32); }
        /* MODALS */
        .modal-overlay {
            display:none; position:fixed; inset:0; background:rgba(0,0,0,.55);
            z-index:200; align-items:center; justify-content:center; padding:20px;
        }
        .modal-overlay.active { display:flex; }
        .modal {
            background:#fff; border-radius:var(--radius); box-shadow:var(--shadow-lg);
            max-width:750px; width:100%; max-height:85vh; overflow-y:auto; z-index:201;
        }
        .modal-header {
            padding:16px 20px; border-bottom:1px solid var(--border);
            display:flex; align-items:center; justify-content:space-between;
            position:sticky; top:0; background:#fff; z-index:2;
            border-radius:var(--radius) var(--radius) 0 0;
        }
        .modal-header h3 { font-size:16px; font-weight:700; color:var(--primary); }
        .modal-close { cursor:pointer; font-size:22px; color:#999; background:none; border:none; width:34px; height:34px; border-radius:50%; display:flex; align-items:center; justify-content:center; transition:all var(--transition); }
        .modal-close:hover { background:#f0f0f0; color:#333; }
        .modal-body { padding:20px; }
        .modal-footer { padding:14px 20px; border-top:1px solid var(--border); display:flex; gap:10px; justify-content:flex-end; flex-wrap:wrap; }
        /* FORMS */
        .form-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
        .form-group { display:flex; flex-direction:column; gap:4px; }
        .form-group.full { grid-column:1/-1; }
        .form-group label { font-size:12px; font-weight:600; color:#555; text-transform:uppercase; letter-spacing:.4px; }
        .form-group input, .form-group select, .form-group textarea {
            padding:9px 12px; border:1.5px solid var(--border); border-radius:var(--radius-sm);
            font-size:13px; font-family:var(--font); transition:border var(--transition);
            background:#fafafa; width:100%;
        }
        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            outline:none; border-color:var(--secondary); background:#fff; box-shadow:0 0 0 3px rgba(44,123,229,.08);
        }
        .form-group textarea { resize:vertical; min-height:60px; }
        /* PRINT PREVIEW */
        .print-preview {
            background:#fff; width:210mm; min-height:297mm; margin:0 auto;
            padding:12mm; box-shadow:0 0 0 1px #ddd, var(--shadow-lg); font-size:12px; border-radius:4px;
        }
        .print-preview .doc-header {
            display:flex; align-items:flex-start; justify-content:space-between;
            border-bottom:2px solid #1a3a5c; padding-bottom:10px; margin-bottom:12px; gap:16px;
        }
        .print-preview .doc-header img { max-width:90px; max-height:70px; object-fit:contain; }
        .print-preview .doc-header .company-info { text-align:right; font-size:10px; color:#333; line-height:1.4; }
        .print-preview .doc-header .company-info strong { font-size:14px; color:#1a3a5c; }
        .print-preview .doc-title {
            text-align:center; font-size:18px; font-weight:800; color:#1a3a5c;
            margin:10px 0; letter-spacing:1px; text-transform:uppercase;
        }
        .print-preview table { width:100%; border-collapse:collapse; font-size:11px; margin:10px 0; }
        .print-preview table th { background:#1a3a5c; color:#fff; padding:7px 8px; font-size:10px; }
        .print-preview table td { padding:6px 8px; border:1px solid #ddd; }
        .print-preview .totals { text-align:right; margin-top:8px; font-size:12px; }
        .print-preview .footer-note { margin-top:16px; font-size:9px; color:#666; text-align:center; border-top:1px solid #ddd; padding-top:8px; }
        /* Template variations */
        .tpl-classic .doc-header { border-bottom:3px double #333; }
        .tpl-minimal .doc-header { border-bottom:1px solid #ccc; }
        .tpl-blue-corporate { background:#f8faff; }
        .tpl-blue-corporate .doc-header { background:#1a3a5c; color:#fff; padding:12px; border-radius:4px 4px 0 0; }
        .tpl-blue-corporate .doc-header .company-info strong { color:#fff; }
        .tpl-blue-corporate .doc-header .company-info { color:#dde; }
        .tpl-pro .doc-header { border-bottom:4px solid #f0a500; background:#fafafa; padding:12px; border-radius:6px; }

        /* Élégant : typographie serif, filets fins dorés, ambiance sobre/haut de gamme */
        .tpl-elegant { font-family:Georgia,'Times New Roman',serif; color:#2b2b2b; }
        .tpl-elegant .doc-header { border-top:2px solid #b08d57; border-bottom:2px solid #b08d57; padding:10px 4px; }
        .tpl-elegant .doc-header .company-info strong { color:#3a2f1e; letter-spacing:.5px; }
        .tpl-elegant .doc-title { letter-spacing:4px; font-weight:400; color:#3a2f1e; border-bottom:1px solid #b08d57; display:inline-block; padding-bottom:4px; }
        .tpl-elegant table th { background:#3a2f1e; color:#f3ead9; font-family:Georgia,serif; letter-spacing:.5px; }
        .tpl-elegant .totals { font-family:Georgia,serif; }
        .tpl-elegant .footer-note { font-style:italic; border-top:1px solid #b08d57; }

        /* Émeraude : bandeau vert, alternative colorée au blue-corporate */
        .tpl-emerald { background:#f5fbf8; }
        .tpl-emerald .doc-header { background:#0e7c53; color:#fff; padding:12px; border-radius:4px 4px 0 0; }
        .tpl-emerald .doc-header .company-info strong { color:#fff; }
        .tpl-emerald .doc-header .company-info { color:#dff3ea; }
        .tpl-emerald .doc-title { color:#0e7c53; }
        .tpl-emerald table th { background:#0e7c53; }
        .tpl-emerald .totals { color:#0e5c3f; }

        /* Compact : version dense, idéale pour limiter le nombre de pages à l'impression */
        .tpl-compact { font-size:10px; }
        .tpl-compact .doc-header { padding:4px 0; margin-bottom:6px; }
        .tpl-compact .doc-header img { max-width:55px; max-height:45px; }
        .tpl-compact .doc-title { font-size:16px; margin:6px 0; padding:4px 0; }
        .tpl-compact table { font-size:9px; margin:6px 0; }
        .tpl-compact table th, .tpl-compact table td { padding:3px 5px; }
        .tpl-compact p { margin:3px 0; }
        .tpl-compact .totals { margin-top:4px; font-size:10px; }
        .tpl-compact .footer-note { margin-top:8px; font-size:8px; padding-top:4px; }
        /* Toast */
        .toast {
            position:fixed; bottom:24px; right:24px; background:#333; color:#fff;
            padding:12px 20px; border-radius:8px; font-size:13px; font-weight:600;
            z-index:999; animation:slideUp .3s ease; box-shadow:0 6px 20px rgba(0,0,0,.3);
        }
        .toast.success { background:var(--success); }
        .toast.error { background:var(--danger); }
        @keyframes slideUp { from{opacity:0;transform:translateY(30px);} to{opacity:1;transform:translateY(0);} }
        /* Responsive */
        @media (max-width:768px) {
            .sidebar { transform:translateX(-100%); }
            .sidebar.open { transform:translateX(0); }
            .main { margin-left:0; }
            .form-grid { grid-template-columns:1fr; }
            .stats-grid { grid-template-columns:1fr 1fr; }
            .topbar { padding:0 12px; }
            .hamburger { display:block !important; font-size:22px; cursor:pointer; background:none; border:none; color:var(--primary); }
        }
        @media (min-width:769px) { .hamburger { display:none !important; } }