:root{
  --bg:#f4f5f7; --card:#ffffff; --ink:#1b2430; --muted:#6b7686;
  --line:#e6e9ee; --sidebar:#1f2937; --sidebar-2:#111827;
  --accent:#d97706; --accent-d:#b45309; --accent-soft:#fef3e2;
  --green:#15803d; --green-soft:#e7f6ec; --red:#b91c1c; --red-soft:#fdeaea;
  --blue:#1d4ed8; --blue-soft:#e8eefc; --amber:#a16207; --amber-soft:#fdf6e3;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:14.5px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent-d);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:236px;flex-shrink:0;background:linear-gradient(180deg,var(--sidebar),var(--sidebar-2));
  color:#cbd5e1;position:fixed;top:0;bottom:0;left:0;display:flex;flex-direction:column;z-index:40;
}
.brand{padding:20px 20px 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand .logo{width:46px;height:46px;border-radius:11px;background:#fff;overflow:hidden;flex:none;padding:3px;
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;letter-spacing:-.5px}
.brand b{color:#fff;font-size:15px;font-weight:700;line-height:1.15}
.brand small{display:block;color:#94a3b8;font-size:11px;font-weight:500}
.nav{padding:10px 0;overflow-y:auto;flex:1}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 20px;color:#cbd5e1;font-weight:500;font-size:14px;border-left:3px solid transparent}
.nav a:hover{background:rgba(255,255,255,.05);text-decoration:none;color:#fff}
.nav a.active{background:rgba(217,119,6,.16);color:#fff;border-left-color:var(--accent)}
.nav .ico{width:18px;text-align:center;opacity:.9}
.nav .sec{padding:14px 20px 6px;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#64748b;font-weight:700}
.sidebar .foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.07);font-size:12.5px}
.sidebar .foot .u{color:#fff;font-weight:600}
.sidebar .foot .r{color:#94a3b8}
.sidebar .foot a{color:#fca5a5;font-weight:600}

.main{flex:1;margin-left:236px;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--card);border-bottom:1px solid var(--line);padding:14px 26px;
  display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30}
.topbar h1{font-size:18px;margin:0;font-weight:700}
.topbar .sub{color:var(--muted);font-size:12.5px}
.content{padding:26px;max-width:1180px;width:100%}
.menu-btn{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:var(--ink)}

/* ---------- Cards & grids ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .hd{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}
.card .hd h2{font-size:15px;margin:0;font-weight:700}
.card .bd{padding:18px}
.grid{display:grid;gap:16px}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.mt{margin-top:18px}

/* stat cards */
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .lbl{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.stat .val{font-size:26px;font-weight:800;margin-top:6px;letter-spacing:-.5px}
.stat .sub{font-size:12px;color:var(--muted);margin-top:2px}
.stat.acc{border-top:3px solid var(--accent)}
.stat.gr{border-top:3px solid var(--green)}
.stat.bl{border-top:3px solid var(--blue)}
.stat.rd{border-top:3px solid var(--red)}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;background:#fafbfc}
tbody tr:hover{background:#fafbfc}
td.r,th.r{text-align:right}
.table-wrap{overflow-x:auto}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:700}
.b-green{background:var(--green-soft);color:var(--green)}
.b-red{background:var(--red-soft);color:var(--red)}
.b-blue{background:var(--blue-soft);color:var(--blue)}
.b-amber{background:var(--amber-soft);color:var(--amber)}
.b-gray{background:#eef1f5;color:#64748b}

/* ---------- Forms ---------- */
label{display:block;font-size:12.5px;font-weight:600;margin-bottom:5px;color:#334155}
input,select,textarea{
  width:100%;padding:9px 11px;border:1px solid #cdd4de;border-radius:9px;font-size:14px;
  font-family:inherit;background:#fff;color:var(--ink)
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.field{margin-bottom:14px}
.row{display:grid;gap:14px}
.row-2{grid-template-columns:1fr 1fr}
.row-3{grid-template-columns:1fr 1fr 1fr}
.hint{font-size:11.5px;color:var(--muted);margin-top:4px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:9px;border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;background:var(--accent);color:#fff;text-decoration:none}
.btn:hover{background:var(--accent-d);text-decoration:none}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.ghost{background:#fff;border-color:#cdd4de;color:var(--ink)}
.btn.ghost:hover{background:#f4f5f7}
.btn.danger{background:var(--red)}
.btn.danger:hover{background:#991b1b}
.btn.green{background:var(--green)}
.btn.green:hover{background:#166534}
.btn-row{display:flex;gap:9px;flex-wrap:wrap;align-items:center}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-weight:500;font-size:14px}
.alert.success{background:var(--green-soft);color:var(--green);border:1px solid #bfe6cb}
.alert.error{background:var(--red-soft);color:var(--red);border:1px solid #f3c9c9}
.alert.info{background:var(--blue-soft);color:var(--blue);border:1px solid #cdd9f7}

.empty{text-align:center;color:var(--muted);padding:40px 20px}
.empty .big{font-size:34px;margin-bottom:8px}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;
  background:linear-gradient(135deg,#1f2937,#111827);padding:20px}
.login-card{background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.3);width:100%;max-width:380px;overflow:hidden}
.login-card .top{background:#fff;padding:30px 26px 20px;text-align:center;color:var(--ink);border-bottom:1px solid var(--line)}
.login-card .top .logo{width:140px;height:140px;border-radius:0;background:transparent;
  display:grid;place-items:center;font-size:24px;font-weight:800;margin:0 auto 8px;color:#7a1e2d}
.login-card .top h1{margin:0;font-size:20px;font-weight:800;color:#7a1e2d;letter-spacing:.01em}
.login-card .top p{margin:5px 0 0;opacity:.75;font-size:12.5px;color:var(--muted)}
.login-card .bd{padding:26px}

.small{font-size:12.5px;color:var(--muted)}
.spacer{flex:1}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.toolbar .field{margin-bottom:0}

/* ---------- Responsive ---------- */
@media(max-width:1000px){ .g-4{grid-template-columns:repeat(2,1fr)} .g-3{grid-template-columns:1fr 1fr} }
@media(max-width:820px){
  .sidebar{transform:translateX(-100%);transition:transform .25s;width:230px}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .menu-btn{display:block}
  .g-4,.g-3,.g-2,.row-2,.row-3{grid-template-columns:1fr}
  .backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:39}
  .backdrop.show{display:block}
}

/* ===== mobile polish (phones) ===== */
@media(max-width:820px){
  body{font-size:14px}
  input,select,textarea{font-size:16px;padding:11px 12px}   /* 16px stops iOS zoom-on-tap */
  .topbar{position:sticky;top:0;z-index:30;padding:12px 16px}
  .content{padding:14px}
  .nav a{padding:13px 20px;font-size:15px}                   /* bigger tap targets */
  .nav .sec{padding:14px 20px 6px}
  .btn{padding:11px 16px;font-size:14.5px}
  .sidebar{width:268px}
  .card .bd,.card .hd{padding:14px}
  .card .hd{flex-wrap:wrap;gap:8px}
  table{font-size:13px}
  th,td{padding:8px 9px;white-space:nowrap}
  .stat .val{font-size:22px}
  h1,.topbar h1{font-size:17px}
}
@media(max-width:480px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .content{padding:11px}
  .btn{width:auto}
}

/* ===== phone: tables -> stacked cards (NO horizontal scroll) ===== */
@media(max-width:600px){
  .table-wrap{overflow-x:visible}
  table thead{display:none}
  table, table tbody, table tr, table td{display:block;width:100%}
  table tr{border:1px solid var(--line);border-radius:11px;margin-bottom:10px;padding:4px 12px;background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.04)}
  table td{display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:right;
    border:none;border-bottom:1px solid #f1f5f9;padding:10px 0}
  table td:last-child{border-bottom:0}
  table td::before{content:attr(data-label);font-weight:600;color:var(--muted);
    text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;flex:0 0 auto}
  table td:empty{display:none}
  table td.r{text-align:right;justify-content:space-between}
}

/* ================= APP SHELL : mobile app feel ================= */
html,body{max-width:100%;overflow-x:hidden}
img,svg,video,canvas{max-width:100%}

/* bottom tab bar */
.bottom-nav{display:none}
@media(max-width:820px){
  .bottom-nav{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:var(--card);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -2px 14px rgba(16,24,40,.10);
  }
  .bottom-nav a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:8px 2px;color:var(--muted);font-size:10.5px;font-weight:700;
    text-decoration:none;min-width:0;
  }
  .bottom-nav a:hover{text-decoration:none}
  .bottom-nav a .bi{font-size:19px;line-height:1}
  .bottom-nav a.active{color:var(--accent-d)}
  .bottom-nav a span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .content{padding-bottom:86px}      /* room above bar */
}

/* phone: let card text wrap (no overflow) */
@media(max-width:600px){
  th,td{white-space:normal}
  /* order-entry items table -> stacked input cards (works for dynamic rows too) */
  #itemsTable td{flex-direction:column;align-items:stretch;text-align:left;gap:5px}
  #itemsTable td input,#itemsTable td select{width:100%}
  #itemsTable td::before{text-align:left}
  #itemsTable tbody td:nth-child(1)::before{content:"Product"}
  #itemsTable tbody td:nth-child(2)::before{content:"Billing"}
  #itemsTable tbody td:nth-child(3)::before{content:"Qty (pcs)"}
  #itemsTable tbody td:nth-child(4)::before{content:"Weight (kg)"}
  #itemsTable tbody td:nth-child(5)::before{content:"Rate \20B9"}
  #itemsTable tbody td:nth-child(6)::before{content:"Amount"}
  #itemsTable tbody td:nth-child(7)::before{content:""}
  #itemsTable tfoot td{flex-direction:row;justify-content:space-between}
  #itemsTable tbody td .btn{align-self:flex-end}
}

/* ===== mobile: force ALL multi-column grids to single column ===== */
/* (overrides inline grid-template-columns on pages like transfers, order_view, khata) */
@media(max-width:820px){
  .grid,.grid[style]{grid-template-columns:1fr !important}
  .g-2,.g-3,.g-4{grid-template-columns:1fr !important}
  .row,.row-2,.row-3{grid-template-columns:1fr !important}
  .toolbar{flex-direction:column;align-items:stretch}
  .toolbar .field,.toolbar .btn{width:100%}
  /* any stray inline 2-col flex/grids that overflow */
  [style*="grid-template-columns"]{grid-template-columns:1fr !important}
}
/* ===== orders list: keep the 4 action buttons in ONE row on phones ===== */
.order-actions{flex-wrap:nowrap;gap:6px;width:100%;justify-content:flex-end}
.order-actions>*,.order-actions form{flex:1 1 0;min-width:0;margin:0}
.order-actions .btn{width:100%;justify-content:center;padding-left:6px;padding-right:6px}
@media(max-width:600px){
  .order-actions{gap:5px}
  .order-actions .btn{font-size:12px;padding:8px 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}

/* ===== per-piece weight cells: left-align + full width on phones (6th comes to left) ===== */
@media(max-width:600px){
  td:has(.pw), td:has(.chips){flex-direction:column;align-items:stretch;text-align:left}
  .pw,.chips{width:100%;justify-content:flex-start}
}
/* ===== phone: clean product/stock cards (scoped to .prodtbl only) ===== */
@media(max-width:600px){
  .prodtbl tr{padding:6px 14px 10px}
  .prodtbl td.cell-product{justify-content:flex-start;text-align:left;padding:12px 0 11px;border-bottom:1px solid #eef1f5}
  .prodtbl td.cell-product::before{display:none}
  .prodtbl td.cell-product > div{width:100%}
  .prodtbl td.cell-product b{font-size:15px;line-height:1.3;display:inline-block}
  .prodtbl td[data-label]{align-items:flex-start;padding:9px 0}
  .prodtbl td[data-label]::before{padding-top:1px}
  .prodtbl td.cell-action{flex-direction:column;align-items:stretch;text-align:left;padding-top:11px}
  .prodtbl td.cell-action::before{display:none}
  .prodtbl td.cell-action .btn-row{display:grid;grid-template-columns:1fr 1fr;gap:7px;width:100%}
  .prodtbl td.cell-action .btn-row .btn{width:100%;justify-content:center;padding-left:6px;padding-right:6px}
  .prodtbl td.cell-action > div[id]{width:100%}
  .prodtbl td.cell-action form input{flex:1 1 90px;min-width:0}
}