/* ===== FreshMart POS — UI ===== */
:root{
  --bg:#f4f6f8; --surface:#ffffff; --surface-2:#f8fafb; --border:#e6e9ee; --border-strong:#d5dae2;
  --text:#0f1b2d; --text-2:#526077; --text-3:#8a95a8;
  --primary:#0f9d6e; --primary-600:#0b8a60; --primary-50:#e7f6f0; --primary-100:#c9ecdd;
  --accent:#ff8a3d;
  --success:#16a34a; --success-bg:#e8f7ee; --danger:#e5484d; --danger-bg:#fdecec;
  --warning:#d97706; --warning-bg:#fdf3e2; --info:#2f6fed; --info-bg:#e9f0fe;
  --sidebar:#0e1726; --sidebar-2:#16223a; --sidebar-text:#a9b4c7;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 12px 32px rgba(16,24,40,.12);
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
[data-theme="dark"]{
  --bg:#0b1220; --surface:#121b2d; --surface-2:#0f1727; --border:#1f2a40; --border-strong:#2a3752;
  --text:#e7ecf4; --text-2:#a3afc3; --text-3:#6f7c93;
  --primary-50:#0f2e26; --primary-100:#13453a;
  --success-bg:#0f2a1b; --danger-bg:#311417; --warning-bg:#2f2210; --info-bg:#132447;
  --sidebar:#080e1a; --sidebar-2:#121b2d;
  --shadow:0 1px 2px rgba(0,0,0,.3); --shadow-lg:0 12px 32px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
small,.muted{color:var(--text-3)}
input,select,textarea,button{font:inherit;color:inherit}

/* ----- Layout ----- */
.app{display:flex;min-height:100vh}
.sidebar{width:252px;flex:0 0 252px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:40}
.brand{display:flex;align-items:center;gap:12px;padding:20px 18px;color:#fff}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#16c08a,#0b8a60);display:grid;place-items:center;font-size:20px;box-shadow:0 6px 16px rgba(15,157,110,.35)}
.brand-text{font-weight:700;font-size:15px;line-height:1.2;display:flex;flex-direction:column}
.brand-text small{color:var(--sidebar-text);font-weight:500;font-size:11.5px}
.nav{flex:1;overflow-y:auto;padding:6px 12px 16px}
.nav-section{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:#5d6a82;padding:16px 10px 6px;font-weight:700}
.nav-link{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;color:var(--sidebar-text);font-weight:500;margin-bottom:2px;transition:.15s}
.nav-link i{font-size:17px;width:18px;text-align:center}
.nav-link:hover{background:var(--sidebar-2);color:#fff}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(15,157,110,.3)}
.sidebar-foot{display:flex;align-items:center;gap:10px;padding:14px 16px;border-top:1px solid rgba(255,255,255,.06)}
.sidebar-foot .who{flex:1;display:flex;flex-direction:column;line-height:1.25}
.sidebar-foot .who b{color:#fff;font-size:13px}
.sidebar-foot .who small{color:var(--sidebar-text);font-size:11.5px}
.sidebar-foot .icon-btn{color:var(--sidebar-text);border-color:transparent;background:transparent}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--sidebar-2);color:#fff;display:grid;place-items:center;font-weight:700}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:64px;display:flex;align-items:center;gap:14px;padding:0 26px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}
.page-title{font-size:18px;flex:1}
.topbar-right{display:flex;align-items:center;gap:10px}
.clock{color:var(--text-2);font-weight:600;font-size:13px;font-variant-numeric:tabular-nums}
.content{padding:24px 26px 40px;flex:1}
.menu-btn{display:none}
.sidebar-backdrop{display:none}

/* ----- Components ----- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.card-head h3{font-size:15px;flex:1}
.card-body{padding:20px}
.card + .card{margin-top:20px}
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-main{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.mb{margin-bottom:20px}.mt{margin-top:20px}

.stat{padding:18px 20px;display:flex;gap:14px;align-items:flex-start}
.stat-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;flex:0 0 44px}
.stat-label{color:var(--text-2);font-size:12.5px;font-weight:600}
.stat-value{font-size:22px;font-weight:800;margin-top:2px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-sub{font-size:12px;color:var(--text-3);margin-top:2px}
.tone-green{background:var(--primary-50);color:var(--primary)}
.tone-blue{background:var(--info-bg);color:var(--info)}
.tone-orange{background:var(--warning-bg);color:var(--warning)}
.tone-red{background:var(--danger-bg);color:var(--danger)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 15px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-weight:600;cursor:pointer;white-space:nowrap;transition:.15s}
.btn:hover{background:var(--surface-2)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600)}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-danger:hover{filter:brightness(.95);background:var(--danger)}
.btn-ghost{background:transparent;border-color:transparent}
.btn-sm{height:32px;padding:0 11px;font-size:13px;border-radius:8px}
.btn-lg{height:52px;font-size:16px;padding:0 22px;border-radius:12px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);display:inline-grid;place-items:center;cursor:pointer;color:var(--text-2);font-size:16px}
.icon-btn:hover{color:var(--text);background:var(--surface-2)}
.icon-btn.sm{width:30px;height:30px;font-size:14px;border-radius:8px}
.icon-btn.danger:hover{color:var(--danger)}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.input,select.input,textarea.input{width:100%;height:40px;padding:0 12px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);outline:none;transition:.15s}
textarea.input{height:auto;padding:10px 12px;min-height:80px;resize:vertical}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100)}
.input-icon{position:relative}
.input-icon>i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3)}
.input-icon .input{padding-left:36px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar .input{width:auto;min-width:160px}

.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse}
.table th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);font-weight:700;text-align:left;padding:11px 16px;background:var(--surface-2);border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover td{background:var(--surface-2)}
.table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table .actions{text-align:right;white-space:nowrap}
.table .actions>*{margin-left:4px}
.table tfoot td{font-weight:700;background:var(--surface-2)}
.empty{text-align:center;padding:48px 20px;color:var(--text-3)}
.empty i{font-size:36px;display:block;margin-bottom:8px;opacity:.6}

.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:700}
.badge-success{background:var(--success-bg);color:var(--success)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-info{background:var(--info-bg);color:var(--info)}
.badge-muted{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}

.alert{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;margin-bottom:18px;font-weight:500}
.alert-success{background:var(--success-bg);color:var(--success)}
.alert-danger{background:var(--danger-bg);color:var(--danger)}
.alert-warning{background:var(--warning-bg);color:var(--warning)}
.alert-close{margin-left:auto;background:none;border:0;font-size:20px;cursor:pointer;color:inherit;opacity:.6}

.pagination{display:flex;gap:6px;justify-content:flex-end;padding:14px 20px;border-top:1px solid var(--border)}
.pagination a,.pagination span{min-width:34px;height:34px;padding:0 10px;border-radius:8px;border:1px solid var(--border);display:grid;place-items:center;color:var(--text-2);font-weight:600}
.pagination .cur{background:var(--primary);border-color:var(--primary);color:#fff}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(10,16,28,.55);backdrop-filter:blur(3px);display:none;align-items:flex-start;justify-content:center;padding:6vh 16px;z-index:100;overflow-y:auto}
.modal.open{display:flex}
.modal-box{background:var(--surface);border-radius:18px;width:100%;max-width:560px;box-shadow:var(--shadow-lg);animation:pop .18s ease}
.modal-box.lg{max-width:760px}
.modal-head{display:flex;align-items:center;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h3{flex:1;font-size:16px}
.modal-body{padding:22px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--border)}
@keyframes pop{from{transform:translateY(8px) scale(.98);opacity:0}to{transform:none;opacity:1}}

.toast-wrap{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--text);color:var(--surface);padding:12px 16px;border-radius:12px;box-shadow:var(--shadow-lg);font-weight:600;animation:pop .2s}
.toast.err{background:var(--danger);color:#fff}

/* Login */
.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:var(--surface)}
.login-art{background:radial-gradient(circle at 20% 20%,#18c58e 0,#0b8a60 45%,#075e43 100%);color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-art h2{font-size:38px;line-height:1.15;max-width:440px;letter-spacing:-.02em}
.login-art p{opacity:.85;max-width:420px;font-size:15px}
.login-art .blob{position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.login-feats{display:flex;gap:22px;flex-wrap:wrap;font-weight:600;opacity:.95}
.login-feats span{display:flex;align-items:center;gap:8px}
.login-form{display:flex;align-items:center;justify-content:center;padding:40px}
.login-form form{width:100%;max-width:380px}
.login-form h1{font-size:26px;margin:18px 0 6px}

/* ----- POS ----- */
body.pos-mode .content{padding:16px}
.pos{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:16px;height:calc(100vh - 64px - 32px)}
.pos-left{display:flex;flex-direction:column;min-height:0;gap:14px}
.pos-search{display:flex;gap:10px}
.pos-search .input-icon{flex:1}
.pos-search .input{height:50px;font-size:16px;border-radius:12px}
.pos-search .input-icon>i{font-size:18px}
.cat-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface);font-weight:600;font-size:13px;cursor:pointer;white-space:nowrap;color:var(--text-2)}
.chip.active{background:var(--text);border-color:var(--text);color:var(--surface)}
.product-grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;align-content:start;padding:2px}
.p-tile{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:6px;transition:.15s;min-height:128px}
.p-tile:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.p-tile .p-ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:15px}
.p-tile .p-name{font-weight:600;font-size:13.5px;line-height:1.3;flex:1}
.p-tile .p-foot{display:flex;justify-content:space-between;align-items:center}
.p-tile .p-price{font-weight:800;color:var(--primary)}
.p-tile .p-stock{font-size:11.5px;color:var(--text-3)}
.p-tile.out{opacity:.5}
.cart{display:flex;flex-direction:column;min-height:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.cart-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:10px}
.cart-items{flex:1;overflow-y:auto}
.c-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:11px 16px;border-bottom:1px dashed var(--border)}
.c-row .c-name{font-weight:600;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.c-row .c-price{font-size:12px;color:var(--text-3)}
.c-row .c-total{font-weight:700;min-width:72px;text-align:right;font-variant-numeric:tabular-nums}
.qty-ctl{display:flex;align-items:center;border:1px solid var(--border-strong);border-radius:9px;overflow:hidden}
.qty-ctl button{width:28px;height:30px;border:0;background:var(--surface-2);cursor:pointer;font-weight:700}
.qty-ctl input{width:52px;height:30px;border:0;text-align:center;background:var(--surface);outline:none;font-weight:600}
.cart-sum{padding:14px 16px;border-top:1px solid var(--border);background:var(--surface-2);border-radius:0 0 var(--radius) var(--radius)}
.sum-line{display:flex;justify-content:space-between;padding:3px 0;color:var(--text-2);font-variant-numeric:tabular-nums}
.sum-line.total{font-size:22px;font-weight:800;color:var(--text);padding-top:8px;margin-top:6px;border-top:1px solid var(--border)}
.sum-line input{width:90px;height:28px;text-align:right;border:1px solid var(--border-strong);border-radius:7px;padding:0 8px;background:var(--surface)}
.cart-actions{display:grid;grid-template-columns:auto auto 1fr;gap:8px;margin-top:12px}
.pay-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.pay-opt{border:2px solid var(--border);border-radius:12px;padding:14px 8px;text-align:center;cursor:pointer;font-weight:700;background:var(--surface)}
.pay-opt i{display:block;font-size:22px;margin-bottom:4px}
.pay-opt.active{border-color:var(--primary);background:var(--primary-50);color:var(--primary)}
.pay-total{text-align:center;padding:14px;border-radius:12px;background:var(--surface-2);margin-bottom:16px}
.pay-total b{display:block;font-size:30px;letter-spacing:-.02em}
.quick-cash{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.kbd{font-size:11px;padding:1px 6px;border-radius:5px;border:1px solid var(--border-strong);color:var(--text-3);font-weight:600}

/* Bars (simple charts) */
.chart-box{position:relative;height:280px}
.list-item{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border)}
.list-item:last-child{border-bottom:0}
.list-item .grow{flex:1;min-width:0}
.list-item .grow b{display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Receipt */
.receipt{width:300px;margin:0 auto;background:#fff;color:#000;font-family:'Courier New',monospace;font-size:12px;padding:14px}
.receipt h2{font-size:16px;text-align:center;font-family:var(--font)}
.receipt .c{text-align:center}
.receipt table{width:100%;border-collapse:collapse}
.receipt td{padding:2px 0;vertical-align:top}
.receipt .r{text-align:right}
.receipt hr{border:0;border-top:1px dashed #000;margin:6px 0}
@media print{
  body{background:#fff}
  .sidebar,.topbar,.no-print,.sidebar-backdrop{display:none!important}
  .content{padding:0}
  .card{border:0;box-shadow:none}
  @page{margin:6mm}
}

/* ----- Responsive ----- */
@media (max-width:1200px){.g-4{grid-template-columns:repeat(2,minmax(0,1fr))}.pos{grid-template-columns:minmax(0,1fr) 370px}}
@media (max-width:980px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:.2s}
  body.nav-open .sidebar{transform:none}
  body.nav-open .sidebar-backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35}
  .menu-btn{display:inline-grid}
  .g-main,.g-3,.g-2{grid-template-columns:1fr}
  .pos{grid-template-columns:1fr;height:auto}
  .product-grid{max-height:50vh}
  .cart{min-height:60vh}
  .login-page{grid-template-columns:1fr}.login-art{display:none}
}
@media (max-width:600px){
  .content{padding:16px}.topbar{padding:0 14px}
  .g-4,.form-grid{grid-template-columns:1fr}
  .hide-sm,.clock{display:none}
}