:root{
  --bg:#F4F6F4; --surface:#FFFFFF; --surface-2:#FAFBFA;
  --ink:#162420; --ink-soft:#46544E; --muted:#7C8A84; --line:#E4E9E6;
  --primary:#0F6E5C; --primary-dark:#0A5446; --primary-soft:#E3F0EC;
  --amber:#C8841A; --amber-soft:#FBF0DC;
  --danger:#C0392B; --danger-soft:#FBE6E3;
  --ok:#2E8B57; --ok-soft:#E2F2E8;
  --radius:14px; --radius-sm:9px;
  --shadow:0 1px 2px rgba(22,36,32,.04), 0 8px 24px rgba(22,36,32,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:248px;background:var(--ink);color:#D9E2DE;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:40;transition:transform .25s ease}
.brand{padding:22px 22px 16px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand .logo{width:34px;height:34px;border-radius:9px;background:var(--primary);display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;flex:none}
.brand b{color:#fff;font-size:15px;font-weight:700;letter-spacing:.2px}
.brand small{display:block;color:#7E908A;font-size:11.5px;font-weight:500;text-transform:uppercase;letter-spacing:1px}
.nav{padding:12px 12px;flex:1;overflow:auto}
.nav-label{padding:14px 12px 6px;font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:#6B7D77;font-weight:600}
.nav button{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border-radius:9px;color:#C2CFCA;font-size:14.5px;font-weight:500;text-align:left;transition:.15s}
.nav button svg{width:19px;height:19px;flex:none;opacity:.85}
.nav button:hover{background:rgba(255,255,255,.06);color:#fff}
.nav button.active{background:var(--primary);color:#fff;font-weight:600}
.nav button.active svg{opacity:1}
.nav .badge{margin-left:auto;background:var(--amber);color:#fff;font-size:11px;font-weight:700;padding:1px 7px;border-radius:20px}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.07);font-size:12px;color:#6B7D77}

.main{flex:1;margin-left:248px;display:flex;flex-direction:column;min-width:0}
.topbar{height:64px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 26px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px;font-weight:700;letter-spacing:-.3px}
.topbar .sub{color:var(--muted);font-size:13px}
.topbar .spacer{flex:1}
.topbar .date{color:var(--ink-soft);font-size:13.5px;font-weight:500;text-transform:capitalize}
.menu-btn{display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--line);place-items:center}
.menu-btn svg{width:22px;height:22px}
.content{padding:26px;max-width:1280px;width:100%}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:var(--primary);color:#fff;transition:.15s}
.btn:hover{background:var(--primary-dark)}
.btn svg{width:17px;height:17px}
.btn.ghost{background:var(--surface);color:var(--ink-soft);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--surface-2);color:var(--ink)}
.btn.danger{background:var(--danger)}.btn.danger:hover{filter:brightness(.92)}
.btn.sm{padding:6px 12px;font-size:13px}
.icon-btn{width:32px;height:32px;border-radius:8px;display:inline-grid;place-items:center;color:var(--muted);transition:.15s}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.icon-btn.del:hover{background:var(--danger-soft);color:var(--danger)}
.icon-btn svg{width:17px;height:17px}

/* ---------- Cards / sections ---------- */
.page-head{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.page-head .spacer{flex:1}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:20px}
.section-title{font-size:14px;font-weight:700;color:var(--ink);text-transform:uppercase;letter-spacing:.6px}

/* KPI grid */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.kpi .lbl{font-size:12.5px;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.5px}
.kpi .lbl .dot{width:9px;height:9px;border-radius:50%}
.kpi .val{font-size:27px;font-weight:800;letter-spacing:-.8px;margin-top:8px;color:var(--ink)}
.kpi .val small{font-size:14px;font-weight:600;color:var(--muted)}
.kpi .meta{font-size:12.5px;color:var(--muted);margin-top:4px}
.kpi.accent-green .val{color:var(--primary)}
.kpi.accent-amber .val{color:var(--amber)}
.kpi.accent-danger .val{color:var(--danger)}

.grid-2{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
@media(max-width:1000px){.grid-2{grid-template-columns:1fr}}

/* Chart */
.chart{display:flex;align-items:flex-end;gap:9px;height:170px;padding-top:10px}
.chart .bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;height:100%;justify-content:flex-end}
.chart .bar{width:100%;max-width:42px;background:var(--primary-soft);border-radius:6px 6px 0 0;position:relative;transition:.3s;min-height:3px}
.chart .bar b{position:absolute;top:-19px;left:50%;transform:translateX(-50%);font-size:10.5px;font-weight:700;color:var(--primary-dark);white-space:nowrap}
.chart .bar.has:hover{background:var(--primary)}
.chart .day{font-size:11px;color:var(--muted);font-weight:500}

/* ---------- Tables ---------- */
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.search{position:relative;flex:1;min-width:200px;max-width:340px}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted)}
.search input{width:100%;padding:9px 12px 9px 36px;border:1px solid var(--line);border-radius:9px;background:var(--surface);outline:none}
.search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
select.filter{padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);outline:none;color:var(--ink-soft)}
select.filter:focus{border-color:var(--primary)}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:14px}
thead th{text-align:left;padding:13px 16px;font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface-2)}
tbody td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.actions{text-align:right;white-space:nowrap}
.cell-main{font-weight:600;color:var(--ink)}
.cell-sub{font-size:12.5px;color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.warn{background:var(--amber-soft);color:var(--amber)}
.pill.bad{background:var(--danger-soft);color:var(--danger)}
.pill.neutral{background:var(--surface-2);color:var(--ink-soft);border:1px solid var(--line)}
.tag{display:inline-block;padding:2px 9px;border-radius:6px;background:var(--surface-2);border:1px solid var(--line);font-size:12px;color:var(--ink-soft)}

/* Empty state */
.empty{text-align:center;padding:54px 20px;color:var(--muted)}
.empty svg{width:46px;height:46px;opacity:.35;margin-bottom:14px}
.empty h3{font-size:16px;color:var(--ink-soft);margin-bottom:6px;font-weight:600}
.empty p{font-size:14px;margin-bottom:18px}

/* ---------- Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,30,25,.45);backdrop-filter:blur(2px);z-index:60;display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.overlay.show{display:flex}
.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:560px;box-shadow:0 24px 60px rgba(0,0,0,.25);animation:pop .2s ease}
.modal.wide{max-width:760px}
@keyframes pop{from{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}
.modal-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.modal-head h2{font-size:18px;font-weight:700}
.modal-head .x{margin-left:auto;width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:var(--muted)}
.modal-head .x:hover{background:var(--surface-2);color:var(--ink)}
.modal-body{padding:24px;max-height:65vh;overflow:auto}
.modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}

.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
.field label .req{color:var(--danger)}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);outline:none;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.field textarea{resize:vertical;min-height:70px}
.field .hint{font-size:12px;color:var(--muted);margin-top:5px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.row{grid-template-columns:1fr}}

/* Sale line items */
.lines{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin-bottom:8px}
.line{display:grid;grid-template-columns:2.4fr .8fr 1fr auto;gap:8px;padding:9px;align-items:center;border-bottom:1px solid var(--line)}
.line:last-child{border-bottom:none}
.line select,.line input{padding:8px 10px;border:1px solid var(--line);border-radius:7px;width:100%}
.line .lt{font-variant-numeric:tabular-nums;font-weight:600;text-align:right;font-size:13.5px}
.line .rm{color:var(--danger);width:30px;height:30px;border-radius:7px;display:grid;place-items:center}
.line .rm:hover{background:var(--danger-soft)}
@media(max-width:560px){.line{grid-template-columns:1fr 1fr;}.line .lt{grid-column:1/2}.line .rm{grid-column:2/3;justify-self:end}}
.total-box{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--primary-soft);border-radius:9px;margin-top:12px}
.total-box .t{font-size:13px;color:var(--primary-dark);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.total-box .v{font-size:22px;font-weight:800;color:var(--primary-dark)}

/* Sélecteur de paiement (rubriques à cocher) */
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:6px}
.seg label{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:11px 8px;border:1.5px solid var(--line);border-radius:9px;cursor:pointer;text-align:center;font-size:13.5px;font-weight:600;color:var(--ink-soft);transition:.15s;background:var(--surface)}
.seg label small{font-size:11px;font-weight:500;color:var(--muted)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg input:checked+label{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark)}
.seg input:checked+label small{color:var(--primary-dark)}
@media(max-width:520px){.seg{grid-template-columns:1fr}}

/* Facture */
.inv{font-size:14px;color:var(--ink)}
.inv-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:2px solid var(--ink);padding-bottom:14px;margin-bottom:16px}
.inv-head h3{font-size:20px;font-weight:800;letter-spacing:-.3px}
.inv-head .meta{font-size:12.5px;color:var(--muted);line-height:1.7;text-align:right}
.inv-meta-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:14px;color:var(--ink-soft)}
.inv table{width:100%;border-collapse:collapse;margin-bottom:14px}
.inv th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);padding:8px 6px;border-bottom:1px solid var(--line)}
.inv td{padding:9px 6px;border-bottom:1px solid var(--line);font-size:13.5px}
.inv .tot{display:flex;flex-direction:column;gap:6px;align-items:flex-end;font-size:14px}
.inv .tot .l{display:flex;gap:30px;justify-content:space-between;min-width:240px}
.inv .tot .grand{font-size:18px;font-weight:800;color:var(--primary-dark);border-top:2px solid var(--line);padding-top:8px;margin-top:4px;width:240px}

/* ---------- Caisse rapide (POS) ---------- */
.qstats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.qstat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.qstat .l{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.qstat .v{font-size:19px;font-weight:800;margin-top:5px;letter-spacing:-.5px}
@media(max-width:560px){.qstat .v{font-size:16px}}

.qactions{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-bottom:22px}
.qaction{display:flex;align-items:center;gap:11px;padding:13px 15px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);font-weight:600;font-size:14px;color:var(--ink);box-shadow:var(--shadow);cursor:pointer;transition:.15s;text-align:left}
.qaction:hover{border-color:var(--primary);background:var(--primary-soft)}
.qaction .ic{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex:none;color:#fff}
.qaction .ic svg{width:18px;height:18px}

.pos{display:grid;grid-template-columns:1fr 360px;gap:18px;align-items:start}
@media(max-width:900px){.pos{grid-template-columns:1fr}}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:12px;align-content:start;max-height:64vh;overflow:auto;padding:10px 6px 12px}
.pcard{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:14px;cursor:pointer;transition:.12s;box-shadow:var(--shadow);text-align:left;position:relative;user-select:none}
.pcard:hover{border-color:var(--primary);transform:translateY(-2px)}
.pcard:active{transform:translateY(0);background:var(--primary-soft)}
.pcard.out{opacity:.5;pointer-events:none}
.pcard .nm{font-weight:700;font-size:13.5px;margin-bottom:5px;line-height:1.3}
.pcard .pr{color:var(--primary-dark);font-weight:800;font-size:15px}
.pcard .st{font-size:11px;color:var(--muted);margin-top:7px}
.pcard .qbadge{position:absolute;top:-8px;right:-8px;background:var(--primary);color:#fff;font-size:12px;font-weight:800;min-width:24px;height:24px;border-radius:50%;display:grid;place-items:center;padding:0 6px;box-shadow:0 2px 8px rgba(15,110,92,.4)}

.cart{position:sticky;top:80px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
@media(max-width:900px){.cart{position:static}}
.cart-head{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700;display:flex;align-items:center;gap:8px;font-size:14px}
.cart-head .clr{margin-left:auto;font-size:12.5px;color:var(--danger);font-weight:600;cursor:pointer}
.cart-body{max-height:280px;overflow:auto}
.citem{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line)}
.citem .nm{flex:1;min-width:0;font-size:13px;font-weight:600;line-height:1.3}
.citem .lt{display:flex;align-items:center;gap:5px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:4px}
.citem .lt .px{font-size:10.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.citem .lt .lt-x{font-weight:500}
.citem .lt .lt-x b{color:var(--ink);font-weight:700}
.citem .price-edit{width:64px;padding:3px 6px;border:1px solid var(--line);border-radius:6px;font-size:12.5px;font-weight:700;color:var(--primary-dark);text-align:right;background:var(--surface)}
.citem .price-edit:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px var(--primary-soft)}
.citem .remise-tag{font-size:11px;color:var(--amber);font-weight:700;margin-top:4px}
.citem .remise-tag span{font-weight:500;color:var(--muted)}
.stepper{display:flex;align-items:center;gap:7px}
.stepper button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);font-size:18px;font-weight:700;color:var(--ink-soft);display:grid;place-items:center;background:var(--surface)}
.stepper button:hover{background:var(--surface-2);border-color:var(--primary);color:var(--primary)}
.stepper span{min-width:20px;text-align:center;font-weight:800}
.cart-empty{padding:30px 16px;text-align:center;color:var(--muted);font-size:13.5px}
.cart-foot{padding:16px}
.cart-foot .ctot{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.cart-foot .ctot b{font-size:22px;font-weight:800;color:var(--primary-dark)}
.btn-block{width:100%;justify-content:center;padding:13px;font-size:15px}

/* Toast */
#toasts{position:fixed;bottom:22px;right:22px;z-index:90;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;font-weight:500;box-shadow:0 10px 30px rgba(0,0,0,.25);display:flex;align-items:center;gap:10px;animation:slide .25s ease}
.toast.ok{background:var(--primary)} .toast.err{background:var(--danger)}
.toast svg{width:18px;height:18px}
@keyframes slide{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

/* Settings list */
.set-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.set-row:last-child{border-bottom:none}
.set-row .info{flex:1}
.set-row .info b{display:block;font-size:14.5px}
.set-row .info span{font-size:13px;color:var(--muted)}

/* ---------- Pagination ---------- */
.pager{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:16px}
.pager .pg-btn,.pager .pg-num{padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink-soft);font-size:13px;font-weight:600;min-width:36px;text-align:center}
.pager .pg-btn:hover:not([disabled]),.pager .pg-num:hover{background:var(--surface-2);border-color:var(--primary);color:var(--primary)}
.pager .pg-btn[disabled]{opacity:.45;cursor:not-allowed}
.pager .pg-num.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pager .pg-ell{color:var(--muted);padding:0 2px}
.pager .pg-info{margin-left:auto;font-size:12.5px;color:var(--muted)}
@media(max-width:560px){.pager .pg-info{display:none;margin-left:0}.pager{justify-content:center}}

.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35}
@media(max-width:880px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .menu-btn{display:grid}
  .backdrop.show{display:block}
  .content{padding:18px}
  .grid-2{grid-template-columns:1fr}
}