:root{--bg:#f5f7fb;--panel:#ffffff;--text:#1e293b;--muted:#64748b;--primary:#2563eb;--primary2:#1d4ed8;--danger:#dc2626;--success:#16a34a;--warning:#f59e0b;--info:#0891b2;--border:#e2e8f0;--shadow:0 10px 28px rgba(15,23,42,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:flex}.sidebar{width:270px;background:#0f172a;color:white;padding:22px;position:fixed;top:0;bottom:0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:white}.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#3b82f6,#06b6d4);display:grid;place-items:center;font-weight:800}.brand small{display:block;color:#94a3b8;margin-top:3px}nav{display:grid;gap:6px}nav a{padding:11px 12px;border-radius:12px;color:#cbd5e1}nav a:hover,nav a.active{background:#1e293b;color:white}.main{margin-left:270px;width:calc(100% - 270px);min-height:100vh;display:flex;flex-direction:column}.topbar{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:18px 28px;display:flex;justify-content:space-between;gap:18px;align-items:center;position:sticky;top:0;z-index:2}.topbar h1{margin:0;font-size:24px}.topbar p{margin:4px 0 0;color:var(--muted)}.user-menu{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.content{padding:26px;flex:1}.footer{padding:16px 26px;color:var(--muted);border-top:1px solid var(--border)}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat span{color:var(--muted);font-size:13px}.stat strong{display:block;font-size:26px;margin-top:8px}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:14px}table{width:100%;border-collapse:collapse;background:white}th,td{padding:12px 13px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:#f8fafc;color:#475569}tr:hover td{background:#f8fafc}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 13px;border:0;border-radius:12px;background:var(--primary);color:white;font-weight:650;cursor:pointer}.btn:hover{background:var(--primary2)}.btn-light{background:#e2e8f0;color:#0f172a}.btn-light:hover{background:#cbd5e1}.btn-danger{background:var(--danger)}.btn-success{background:var(--success)}.btn-warning{background:var(--warning);color:#111827}.btn-small{padding:6px 9px;border-radius:10px;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{margin-bottom:14px}.field label{display:block;font-weight:650;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:white;font:inherit}.field textarea{min-height:90px}.alert{padding:12px 14px;border-radius:14px;margin-bottom:16px}.alert-success{background:#dcfce7;color:#14532d}.alert-danger{background:#fee2e2;color:#7f1d1d}.alert-info{background:#e0f2fe;color:#164e63}.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge-success{background:#dcfce7;color:#166534}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#cffafe;color:#155e75}.badge-muted{background:#e2e8f0;color:#334155}.login-main{min-height:100vh;width:100%;display:grid;place-items:center;background:linear-gradient(135deg,#0f172a,#1d4ed8)}.login-card{width:min(430px,92vw);background:white;border-radius:24px;padding:28px;box-shadow:0 28px 80px rgba(0,0,0,.25)}.login-card h1{margin-top:0}.muted{color:var(--muted)}.right{text-align:right}.nowrap{white-space:nowrap}.report-title{display:flex;justify-content:space-between;align-items:center;gap:15px}.print-only{display:none}@media(max-width:900px){.sidebar{position:static;width:100%;height:auto}.app-shell{display:block}.main{margin-left:0;width:100%}.topbar{position:static;display:block}.grid-2,.grid-3,.grid-4,.form-row{grid-template-columns:1fr}.user-menu{margin-top:12px}}@media print{.sidebar,.topbar,.footer,.no-print,.actions,.btn{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card{box-shadow:none;border:0}.print-only{display:block}body{background:white}}

.stat small{display:block;color:var(--muted);margin-top:6px}.stat-accent{background:linear-gradient(135deg,#eff6ff,#ecfeff);border-color:#bfdbfe}.quick-actions{display:flex;gap:10px;flex-wrap:wrap}.mini-chart{height:210px;display:flex;align-items:flex-end;gap:14px;padding:12px 4px 0}.bar-item{flex:1;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}.bar{width:100%;max-width:44px;background:linear-gradient(180deg,#2563eb,#06b6d4);border-radius:10px 10px 2px 2px;min-height:8px}.bar-item em{font-size:11px;color:var(--muted);font-style:normal}.report-link{display:block;transition:.15s transform}.report-link:hover{transform:translateY(-2px)}.report-link strong{display:block;font-size:18px;margin-bottom:6px}.report-link span{color:var(--muted)}.barcode-mini{width:150px;max-height:54px;object-fit:contain;background:white}.label-page{background:white;padding:18px}.label-toolbar{margin-bottom:18px}.labels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.product-label{border:1px dashed #64748b;border-radius:12px;padding:10px;text-align:center;min-height:135px;break-inside:avoid}.product-label strong{display:block;font-size:13px}.product-label small{display:block;color:#334155;margin:3px 0}.product-label img{width:100%;height:78px;object-fit:contain}.invoice-card{background:white}.invoice-head{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:18px 0}.invoice-party{border:1px solid var(--border);border-radius:16px;padding:14px;background:#f8fafc}.invoice-total{text-align:right;margin-top:16px}.invoice-footer{border-top:1px solid var(--border);margin-top:18px;padding-top:12px;color:var(--muted)}.statement-balance{min-width:220px}
@media print{.labels-grid{grid-template-columns:repeat(3,1fr);gap:8px}.label-page{padding:0}.product-label{border:1px solid #333}.invoice-head{grid-template-columns:1fr 1fr}.invoice-card{font-size:12px}.invoice-total{text-align:right}}

/* Production additions */
.company-switch{padding:10px 14px;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.company-switch label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;opacity:.75;margin-bottom:5px}
.company-switch select{width:100%;border-radius:10px;border:0;padding:8px;background:#fff;color:#111827}
.product-thumb{max-width:160px;max-height:120px;border-radius:14px;object-fit:cover;border:1px solid #e5e7eb;background:#fff}
.product-thumb-small{width:54px;height:44px;border-radius:10px;object-fit:cover;border:1px solid #e5e7eb;background:#fff}
.label-product-image{width:70px;height:55px;object-fit:cover;border-radius:8px;margin-bottom:5px}
.row-warning{background:#fff7ed!important}.stat-danger{border-left:5px solid #ef4444}.stat-danger strong{color:#b91c1c}
.report-link{text-decoration:none;color:inherit;display:block}.report-link strong{display:block;margin-bottom:5px}.report-link span{color:#64748b}
.security-note{background:#f8fafc;border:1px dashed #94a3b8;border-radius:14px;padding:12px;margin-top:12px;color:#475569}


.stock-gap-positive{color:#16a34a;font-weight:700}.stock-gap-negative{color:#dc2626;font-weight:700}
.table-wrap input[type=number]{min-width:110px}

/* Menu latéral groupé avec bouton + */
.side-nav{display:grid;gap:9px}
.side-nav .nav-group{border:1px solid rgba(255,255,255,.07);border-radius:15px;background:rgba(15,23,42,.35);overflow:hidden}
.side-nav .nav-group summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;color:#e2e8f0;font-weight:800;cursor:pointer;user-select:none;border-radius:14px}
.side-nav .nav-group summary::-webkit-details-marker{display:none}
.side-nav .nav-group[open] summary{background:#1e293b;color:#fff}
.side-nav .nav-toggle{width:22px;height:22px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:#0f172a;position:relative;flex:0 0 22px}
.side-nav .nav-toggle:before,.side-nav .nav-toggle:after{content:"";position:absolute;left:50%;top:50%;width:10px;height:2px;background:#cbd5e1;border-radius:2px;transform:translate(-50%,-50%)}
.side-nav .nav-toggle:after{width:2px;height:10px;transition:.16s ease}
.side-nav .nav-group[open] .nav-toggle:after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.side-nav .nav-sub{display:grid;gap:4px;padding:5px 6px 9px}
.side-nav .nav-sub a{font-size:13px;padding:9px 10px 9px 28px;border-radius:11px;position:relative;color:#cbd5e1}
.side-nav .nav-sub a:before{content:"";position:absolute;left:13px;top:50%;width:5px;height:5px;border-radius:999px;background:#64748b;transform:translateY(-50%)}
.side-nav .nav-sub a:hover,.side-nav .nav-sub a.active{background:#334155;color:#fff}
.side-nav .nav-sub a.active:before{background:#38bdf8}
@media(max-width:900px){.side-nav .nav-group summary{padding:12px}.side-nav .nav-sub a{padding:11px 12px 11px 30px}}


/* Menu groupes + / - */
.side-nav{display:grid;gap:8px;margin-top:8px}
.side-nav .nav-group{border:1px solid rgba(148,163,184,.14);border-radius:14px;background:rgba(15,23,42,.20);overflow:hidden}
.side-nav .nav-group[open]{background:rgba(30,41,59,.72);border-color:rgba(148,163,184,.22)}
.side-nav .nav-group summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border-radius:14px;color:#f8fafc;font-weight:800;cursor:pointer;user-select:none}
.side-nav .nav-group summary::-webkit-details-marker{display:none}
.side-nav .nav-group summary:hover{background:#1e293b}
.side-nav .nav-toggle{width:22px;height:22px;border-radius:999px;display:inline-grid;place-items:center;flex:0 0 22px;background:#334155;color:#fff;font-weight:900;line-height:1}
.side-nav .nav-toggle::before{content:'+';font-size:16px;margin-top:-1px}
.side-nav .nav-group[open] .nav-toggle::before{content:'−';font-size:18px}
.side-nav .nav-sub{display:grid;gap:4px;padding:0 8px 10px 8px}
.side-nav .nav-sub a{display:block;padding:9px 10px 9px 18px;border-radius:11px;color:#cbd5e1;font-size:14px;line-height:1.25;border-left:3px solid transparent}
.side-nav .nav-sub a:hover{background:#334155;color:#fff}
.side-nav .nav-sub a.active{background:#2563eb;color:#fff;border-left-color:#93c5fd;font-weight:800}
.company-switch{margin:-10px 0 16px 0;padding:12px;border:1px solid rgba(148,163,184,.16);border-radius:14px;background:rgba(15,23,42,.22)}
.company-switch label{display:block;color:#94a3b8;font-size:12px;font-weight:800;margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}
.company-switch select{width:100%;border:1px solid rgba(148,163,184,.35);border-radius:10px;background:#0f172a;color:white;padding:9px 10px}
@media(max-width:900px){.side-nav .nav-sub a{font-size:15px}.side-nav .nav-group summary{padding:12px}}

/* Language switch */
.language-switch{
    display:inline-flex;
    align-items:center;
    gap:4px;
    padding:3px;
    border:1px solid var(--border);
    border-radius:999px;
    background:var(--panel);
    white-space:nowrap;
}
.language-pill{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:34px;
    height:28px;
    padding:0 10px;
    border-radius:999px;
    font-size:12px;
    font-weight:700;
    color:var(--muted);
    text-decoration:none;
}
.language-pill:hover{background:#e2e8f0;color:var(--text);}
.language-pill.active{background:var(--primary);color:#fff;}
.login-lang-switch{position:fixed;top:16px;right:16px;z-index:20;}
.user-menu .language-switch{margin:0 6px;}
@media(max-width:720px){
    .user-menu{gap:6px;flex-wrap:wrap;justify-content:flex-end;}
    .language-pill{min-width:30px;height:26px;padding:0 8px;}
}
.sidebar-lang{margin:-8px 0 16px 0;display:flex;justify-content:flex-start;}
.sidebar .language-switch{background:#0f172a;border-color:rgba(148,163,184,.22);}
.sidebar .language-pill{color:#cbd5e1;}
.sidebar .language-pill:hover{background:#1e293b;color:#fff;}
.sidebar .language-pill.active{background:#2563eb;color:#fff;}