/* assets/css/main.css */
:root{
  --primary:#0A2540; --accent:#1976D2; --accent-d:#1565C0;
  --ok:#16a34a; --danger:#dc2626; --warn:#d97706;
  --g50:#f8fafc; --g100:#f1f5f9; --g200:#e2e8f0;
  --g400:#94a3b8; --g600:#475569; --g800:#1e293b;
  --rad:10px; --sh:0 4px 16px rgba(0,0,0,.10); --tr:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
body{font-family:'Helvetica Neue',Arial,sans-serif;color:#1a1a2e;background:#fafbfc;font-size:15px}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-d)}
img{max-width:100%}

/* Topbar */
.topbar{background:var(--primary);color:rgba(255,255,255,.7);padding:6px 0;font-size:.8rem}
.topbar a{color:rgba(255,255,255,.8)}
.topbar a:hover{color:#fff}

/* Navbar */
.main-nav{background:#fff;box-shadow:0 1px 0 var(--g200);padding:10px 0}
.brand-h{font-weight:900;font-size:1.3rem;color:var(--primary);letter-spacing:-.5px}
.brand-z{font-weight:900;font-size:1.3rem;color:var(--accent);letter-spacing:-.5px}
.brand-i{font-size:.68rem;color:var(--g400);font-weight:500;vertical-align:super}
.main-nav .nav-link{color:var(--g800);font-weight:500;font-size:.88rem;padding:8px 12px;border-radius:6px;transition:background var(--tr)}
.main-nav .nav-link:hover{background:var(--g100);color:var(--primary)}
.search-wrap{flex:1;max-width:480px;margin:0 20px;display:flex;border:1.5px solid var(--g200);border-radius:8px;overflow:hidden}
.search-inp{flex:1;border:none;padding:8px 14px;font-size:.88rem;outline:none;min-width:0}
.search-btn{background:var(--accent);color:#fff;border:none;padding:0 14px;cursor:pointer}
.search-btn:hover{background:var(--accent-d)}
.cart-btn{position:relative;color:var(--primary);padding:8px 10px;border-radius:8px;transition:background var(--tr)}
.cart-btn:hover{background:var(--g100)}
.cart-badge{position:absolute;top:2px;right:2px;background:var(--danger);color:#fff;font-size:.62rem;font-weight:700;min-width:16px;height:16px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 3px}
.mega-menu{min-width:360px;border:1px solid var(--g200);border-radius:var(--rad);box-shadow:var(--sh);padding:0}
.mega-h{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--g400);padding:12px 14px 4px}
.mega-menu .dropdown-item{font-size:.86rem;padding:6px 14px;color:var(--g800);border-radius:5px}
.mega-menu .dropdown-item:hover{background:var(--g100);color:var(--primary)}

/* Product cards */
.product-card{border:1px solid var(--g200);border-radius:var(--rad);background:#fff;transition:box-shadow var(--tr),transform var(--tr);overflow:hidden}
.product-card:hover{box-shadow:0 8px 28px rgba(0,0,0,.12);transform:translateY(-2px)}
.product-card img{width:100%;height:175px;object-fit:contain;padding:10px;background:var(--g50)}
.card-body{padding:12px}
.card-title{font-size:.88rem;font-weight:600;color:var(--g800);margin-bottom:4px;line-height:1.4}
.card-price{font-size:.95rem;font-weight:700;color:var(--primary)}
.btn-card{background:var(--accent);color:#fff;border:none;width:100%;padding:8px;border-radius:7px;font-weight:600;font-size:.85rem;cursor:pointer;margin-top:8px;transition:background var(--tr)}
.btn-card:hover{background:var(--accent-d)}

/* Product page */
.prod-hero{background:#fff;border:1px solid var(--g200);border-radius:14px;padding:1.75rem}
.prod-img{width:100%;height:360px;object-fit:contain;background:var(--g50);border-radius:10px}
.prod-thumb{width:64px;height:64px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid var(--g200);transition:border-color var(--tr)}
.prod-thumb:hover,.prod-thumb.active{border-color:var(--accent)}

/* Tier table */
.tier-box{background:#EFF6FF;border:1px solid #BFDBFE;border-radius:10px;padding:.9rem 1.1rem}
.tier-box table{width:100%;border-collapse:collapse;font-size:.84rem}
.tier-box th{text-align:left;color:var(--g600);font-weight:600;padding:4px 10px}
.tier-box td{padding:4px 10px}
.tier-box tr.slab-on td{color:var(--accent);font-weight:700;background:rgba(25,118,210,.08)}

/* Bulk grid */
.bulk-grid{background:#fff;border:1px solid var(--g200);border-radius:12px;overflow:hidden}
.bulk-grid table{width:100%;border-collapse:collapse}
.bulk-grid thead th{background:var(--primary);color:#fff;font-size:.78rem;font-weight:500;padding:10px 12px}
.bulk-grid tbody td{padding:9px 12px;border-bottom:1px solid var(--g100);font-size:.86rem;vertical-align:middle}
.bulk-grid tbody tr:last-child td{border-bottom:none}
.bulk-grid tbody tr:hover td{background:var(--g50)}
.qty-inp{width:72px;text-align:center;border:1.5px solid var(--g200);border-radius:6px;padding:5px 6px;font-size:.88rem}
.qty-inp:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(25,118,210,.12)}
.line-tot{font-weight:700;color:var(--primary);min-width:78px;display:inline-block}

/* Total bar */
.total-bar{background:var(--primary);color:#fff;border-radius:12px;padding:1rem 1.4rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.total-bar .amt{font-size:1.45rem;font-weight:800}
.btn-add-all{background:var(--accent);color:#fff;border:none;padding:.7rem 1.8rem;border-radius:9px;font-size:.95rem;font-weight:700;cursor:pointer;transition:background var(--tr);white-space:nowrap}
.btn-add-all:hover{background:var(--accent-d)}
.btn-add-all:disabled{background:var(--g400);cursor:not-allowed}

/* Stock badges */
.b-ok{background:#D1FAE5;color:#065F46;font-size:.74rem;padding:2px 8px;border-radius:20px}
.b-low{background:#FEF3C7;color:#92400E;font-size:.74rem;padding:2px 8px;border-radius:20px}
.b-out{background:#FEE2E2;color:#991B1B;font-size:.74rem;padding:2px 8px;border-radius:20px}

/* Pincode */
.pincode-box{border:1px solid var(--g200);border-radius:10px;padding:.9rem 1.1rem;background:#fff}

/* Cart */
.cart-item{background:#fff;border:1px solid var(--g200);border-radius:var(--rad);padding:1rem;margin-bottom:.75rem}
.cart-summary{background:#fff;border:1px solid var(--g200);border-radius:var(--rad);padding:1.4rem;position:sticky;top:76px}

/* Forms */
.form-label{font-weight:600;font-size:.87rem;color:var(--g800)}
.form-control,.form-select{border:1.5px solid var(--g200);border-radius:8px;padding:.58rem .88rem;font-size:.9rem;transition:border-color var(--tr)}
.form-control:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(25,118,210,.12)}
.card-box{background:#fff;border:1px solid var(--g200);border-radius:var(--rad);padding:1.4rem}
.btn-primary{background:var(--accent);border:none;padding:.68rem 1.8rem;border-radius:9px;font-weight:700;transition:background var(--tr)}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-d)}
.btn-outline-primary{border:2px solid var(--accent);color:var(--accent);border-radius:9px;padding:.6rem 1.4rem;font-weight:600;transition:all var(--tr)}
.btn-outline-primary:hover{background:var(--accent);color:#fff}

/* Breadcrumb */
.breadcrumb{background:none;padding:0;font-size:.82rem}
.breadcrumb-item+.breadcrumb-item::before{color:var(--g400)}
.breadcrumb-item a{color:var(--g600)}
.breadcrumb-item.active{color:var(--g800)}

/* Admin */
.admin-wrap{display:flex;min-height:calc(100vh - 110px)}
.admin-side{width:230px;background:var(--primary);flex-shrink:0;padding:.75rem 0;position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto}
.admin-side .nav-link{color:rgba(255,255,255,.68);padding:9px 18px;border-radius:0;font-size:.86rem;display:flex;align-items:center;gap:7px;transition:background var(--tr)}
.admin-side .nav-link:hover,.admin-side .nav-link.active{background:rgba(255,255,255,.11);color:#fff}
.side-section{color:rgba(255,255,255,.3);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;padding:14px 18px 3px;font-weight:700}
.admin-main{flex:1;padding:1.75rem;background:var(--g50);overflow:auto}
.admin-tbl{background:#fff;border-radius:var(--rad);overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.07)}
.admin-tbl table{width:100%;border-collapse:collapse}
.admin-tbl thead th{background:var(--g50);border-bottom:2px solid var(--g200);padding:11px 14px;font-size:.78rem;font-weight:700;color:var(--g600);text-transform:uppercase;letter-spacing:.04em}
.admin-tbl tbody td{padding:11px 14px;border-bottom:1px solid var(--g100);font-size:.86rem;vertical-align:middle}
.admin-tbl tbody tr:last-child td{border-bottom:none}
.admin-tbl tbody tr:hover td{background:var(--g50)}
.stat-card{background:#fff;border:1px solid var(--g200);border-radius:var(--rad);padding:1.1rem}
.stat-val{font-size:1.75rem;font-weight:800;color:var(--primary)}
.stat-lbl{font-size:.8rem;color:var(--g600);font-weight:500}
.stat-ico{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}

/* Footer */
.main-footer{background:#0D1B2A;border-top:1px solid rgba(255,255,255,.06)}
.footer-h{color:rgba(255,255,255,.88);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.7rem}
.footer-t{color:rgba(255,255,255,.5);font-size:.84rem;line-height:1.7}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:.35rem}
.footer-links a,.footer-links li{color:rgba(255,255,255,.5);font-size:.84rem;transition:color var(--tr)}
.footer-links a:hover{color:#fff}
.footer-soc{color:rgba(255,255,255,.48);font-size:1.1rem;transition:color var(--tr)}
.footer-soc:hover{color:var(--accent)}
.footer-bot{border-top:1px solid rgba(255,255,255,.07);padding:1.1rem 0}
.footer-bot a,.footer-bot-link{color:rgba(255,255,255,.4);font-size:.78rem;text-decoration:none}
.footer-bot a:hover,.footer-bot-link:hover{color:rgba(255,255,255,.8)}

/* Utils */
.section-title{font-size:1.35rem;font-weight:800;color:var(--primary)}
.divider{width:38px;height:3px;background:var(--accent);border-radius:2px;margin:6px 0 18px}
.page-link{color:var(--accent)}
.page-item.active .page-link{background:var(--accent);border-color:var(--accent)}

@media(max-width:768px){
  .admin-wrap{flex-direction:column}
  .admin-side{width:100%;height:auto;position:static}
  .total-bar{flex-direction:column;align-items:stretch;text-align:center}
  .bulk-grid{overflow-x:auto}
  .search-wrap{display:none!important}
}