:root{
  --bg:#f2f3ef; --panel:#fff; --ink:#1d2a33; --muted:#66727c;
  --primary:#24584c; --primary-dark:#1a4239;
  --tan:#b8742f; --tan-dark:#965e24;
  --danger:#b42318; --ok:#1f7a3f; --line:#d9ddd5;
  --font:'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--primary);color:#fff;padding:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:18px 20px;font-weight:700;font-size:16px;border-bottom:1px solid rgba(255,255,255,0.1)}
.sidebar .brand .shop{display:block;font-size:11px;opacity:.7;font-weight:400;margin-top:4px}
.sidebar nav{flex:1;padding:10px 0;overflow-y:auto}
.sidebar nav a{display:block;padding:10px 20px;color:#dfe8e4;font-size:14px;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,0.08);text-decoration:none;color:#fff}
.sidebar nav a.active{background:var(--primary-dark);border-left-color:var(--tan);color:#fff}
.sidebar .foot{padding:14px 20px;border-top:1px solid rgba(255,255,255,0.1);font-size:12px;opacity:.75}
.sidebar .foot a{color:#fff}

.main{flex:1;padding:22px 28px;max-width:calc(100vw - 220px)}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.page-head h1{margin:0;font-size:22px;color:var(--primary)}

/* Flash */
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px;font-weight:600}
.flash.ok{background:#e8f3ec;color:var(--ok);border:1px solid #c3e0cb}
.flash.err{background:#fbe2df;color:var(--danger);border:1px solid #f0bcb6}

/* Cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,0.03)}
.card h2{margin:0 0 10px;font-size:16px;color:var(--primary)}
.grid{display:grid;gap:14px}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}.sidebar{width:60px}.sidebar .brand,.sidebar nav a span{display:none}}

/* Stat tiles */
.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px}
.stat .lbl{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.stat .val{font-size:22px;font-weight:700;color:var(--primary);margin-top:4px}
.stat .sub{font-size:11px;color:var(--muted);margin-top:2px}

/* Forms */
label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=number],input[type=password],input[type=date],input[type=search],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:5px;font:inherit;background:#fff;color:var(--ink)
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(36,88,76,0.15)}
.form-row{display:grid;gap:12px;grid-template-columns:repeat(2,1fr);margin-bottom:12px}
.form-row.cols-3{grid-template-columns:repeat(3,1fr)}
.form-row.cols-4{grid-template-columns:repeat(4,1fr)}
.form-row.cols-1{grid-template-columns:1fr}

/* Buttons */
.btn{display:inline-block;padding:8px 16px;border:0;border-radius:5px;font:inherit;font-weight:600;cursor:pointer;background:#e4e8e0;color:var(--ink);text-decoration:none}
.btn:hover{background:#d6dcd0;text-decoration:none}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-dark)}
.btn.tan{background:var(--tan);color:#fff}
.btn.tan:hover{background:var(--tan-dark)}
.btn.danger{background:var(--danger);color:#fff}
.btn.danger:hover{filter:brightness(0.9)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn.lg{padding:12px 22px;font-size:16px}

/* Tables */
table{width:100%;border-collapse:collapse;background:var(--panel)}
th{text-align:left;background:#eef1ec;color:var(--primary);padding:8px 10px;font-size:12px;text-transform:uppercase;letter-spacing:.3px;border-bottom:2px solid var(--line)}
td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:nth-child(even) td{background:#f8f9f6}
tr:hover td{background:#eef3ee}
td.num,th.num{text-align:right}
td.ctr,th.ctr{text-align:center}
tr.low td{background:#fdf0dc !important}
tr.out td{background:#fbe2df !important}

/* Scan box */
.scanbar{display:flex;align-items:center;gap:12px;background:var(--primary);padding:12px 16px;border-radius:8px;margin-bottom:14px;color:#fff}
.scanbar label{color:#fff;margin:0;font-size:14px;font-weight:600}
.scanbar input{font-size:18px;padding:8px 12px;width:260px;background:#fff;color:#000;border:0;border-radius:4px}
.scanbar .status{margin-left:auto;font-size:13px}
.scanbar .status.err{color:#fbd8d4}

/* Cart */
.cart{min-height:200px}
.cart .empty{text-align:center;padding:30px;color:var(--muted)}
.qty-input{width:60px}
.price-input{width:90px}
.total-row{font-weight:700;font-size:16px;color:var(--primary)}
.total-row td{background:#eef1ec !important;border-top:2px solid var(--line)}

/* Login */
.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;background:var(--primary);background-image:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%)}
.login-card{background:#fff;padding:36px 40px;border-radius:10px;box-shadow:0 10px 40px rgba(0,0,0,0.25);width:380px}
.login-card h1{margin:0 0 6px;color:var(--primary);font-size:22px}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:22px}

/* Chips */
.chip{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;background:#eef1ec;color:var(--primary);margin-right:4px}
.chip.danger{background:#fbe2df;color:var(--danger)}
.chip.ok{background:#e8f3ec;color:var(--ok)}

/* Utility */
.muted{color:var(--muted)}
.right{text-align:right}
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}
.hidden{display:none !important}
.row-split{display:flex;gap:12px;align-items:center;justify-content:space-between}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.toolbar input[type=search]{min-width:260px}

/* Checkbox */
.check{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-size:13px}
.check input{width:auto;margin:0}

/* RTL for Urdu */
html[dir=rtl] .sidebar nav a{border-left:0;border-right:3px solid transparent}
html[dir=rtl] .sidebar nav a.active{border-right-color:var(--tan)}