/* ============================================================
   Omni Mart - Main Stylesheet (Mobile-First, Fully Responsive)
   ============================================================ */

:root {
    --green: #1e8a4c;
    --green-dark: #146536;
    --orange: #f5821f;
    --bg: #f6f8f7;
    --text: #222;
    --muted: #6b7280;
    --border: #e5e7eb;
    --white: #fff;
    --radius: 10px;
    --shadow: 0 2px 10px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 15px;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------------- Buttons ---------------- */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: none;
    background: var(--green);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background .15s ease;
}
.btn:hover { background: var(--green-dark); }
.btn-block { width: 100%; }
.btn-outline {
    background: transparent;
    color: var(--green);
    border: 1.5px solid var(--green);
}
.btn-outline:hover { background: var(--green); color: #fff; }
.btn-danger { background: #d64545; }
.btn-danger:hover { background: #b33232; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ---------------- Header ---------------- */
.site-header {
    background: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    flex-wrap: nowrap;
}
.logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--green);
    white-space: nowrap;
}
.search-form {
    flex: 1;
    display: none;
    align-items: center;
    border: 1.5px solid var(--border);
    border-radius: 30px;
    overflow: hidden;
}
.search-form input {
    flex: 1;
    border: none;
    padding: 9px 14px;
    outline: none;
    font-size: 14px;
}
.search-form button {
    border: none;
    background: var(--green);
    color: #fff;
    padding: 0 16px;
    height: 100%;
    cursor: pointer;
}
.header-actions {
    display: none;
    align-items: center;
    gap: 16px;
    white-space: nowrap;
    font-weight: 600;
    font-size: 14px;
}
.cart-link { position: relative; }
.cart-count {
    background: var(--orange);
    color: #fff;
    border-radius: 50%;
    font-size: 11px;
    padding: 1px 6px;
    margin-left: 4px;
}
.menu-toggle {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text);
}

.main-nav {
    background: var(--green);
    display: none;
}
.main-nav.open { display: block; }
.nav-inner {
    display: flex;
    flex-direction: column;
    padding: 8px 16px;
}
.nav-inner a {
    color: #fff;
    padding: 10px 0;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.nav-dropdown-menu { display: none; padding-left: 12px; }
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { border-bottom: none; font-weight: 400; padding: 8px 0; }

/* ---------------- Alerts ---------------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin: 14px 0;
    font-size: 14px;
    font-weight: 600;
}
.alert-success { background: #e2f7e9; color: var(--green-dark); border: 1px solid #b7e6c6; }
.alert-error, .alert-danger { background: #fdeaea; color: #a12727; border: 1px solid #f5c2c2; }
.alert-info { background: #e8f1fb; color: #1a5a94; border: 1px solid #bcdcf7; }

/* ---------------- Hero / Banner ---------------- */
.hero-banner {
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    color: #fff;
    padding: 40px 0;
    text-align: center;
}
.hero-banner h1 { font-size: 24px; margin-bottom: 10px; }
.hero-banner p { font-size: 14px; opacity: .95; margin-bottom: 18px; }

/* ---------------- Section headings ---------------- */
.section { padding: 28px 0; }
.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.section-title h2 { font-size: 19px; color: var(--green-dark); }
.section-title a { font-size: 13px; color: var(--green); font-weight: 600; }

/* ---------------- Category chips ---------------- */
.category-scroll {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
}
.category-chip {
    flex: 0 0 auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--green-dark);
    white-space: nowrap;
}
.category-chip:hover, .category-chip.active { background: var(--green); color: #fff; border-color: var(--green); }

/* ---------------- Product grid ---------------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
.product-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}
.product-card .product-img {
    aspect-ratio: 1/1;
    background: #f0f2f1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    overflow: hidden;
}
.product-card .product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card .badge-offer {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--orange);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
}
.product-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.product-cat { font-size: 11px; color: var(--muted); text-transform: uppercase; }
.product-name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 34px;
}
.product-unit { font-size: 12px; color: var(--muted); }
.price-row { display: flex; align-items: baseline; gap: 6px; margin-top: 4px; }
.price-current { font-size: 15px; font-weight: 800; color: var(--green-dark); }
.price-old { font-size: 12px; color: var(--muted); text-decoration: line-through; }
.stock-status { font-size: 11px; font-weight: 600; }
.in-stock { color: var(--green); }
.out-stock { color: #c23c3c; }
.add-cart-form { margin-top: 8px; }
.add-cart-form .btn { width: 100%; padding: 8px; font-size: 13px; }

/* ---------------- Product Detail Page ---------------- */
.product-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
}
.pd-image { background: #f0f2f1; border-radius: var(--radius); aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; font-size: 60px; overflow: hidden; }
.pd-image img { width: 100%; height: 100%; object-fit: cover; }
.pd-info h1 { font-size: 20px; margin-bottom: 8px; }
.pd-info .pd-price { font-size: 24px; font-weight: 800; color: var(--green-dark); margin: 10px 0; }
.pd-info .pd-old-price { font-size: 15px; color: var(--muted); text-decoration: line-through; margin-left: 8px; }
.pd-info .pd-desc { color: var(--muted); font-size: 14px; margin: 12px 0; }
.qty-selector { display: flex; align-items: center; gap: 0; margin: 16px 0; width: fit-content; border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.qty-selector button { background: #f0f2f1; border: none; width: 38px; height: 38px; font-size: 18px; cursor: pointer; }
.qty-selector input { width: 50px; text-align: center; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); height: 38px; font-size: 15px; }

/* ---------------- Breadcrumb ---------------- */
.breadcrumb { font-size: 13px; color: var(--muted); margin: 14px 0; }
.breadcrumb a { color: var(--green); font-weight: 600; }

/* ---------------- Filters bar ---------------- */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
    background: #fff;
    padding: 12px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.filters-bar select {
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 13px;
}

/* ---------------- Cart Page ---------------- */
.cart-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.cart-table th, .cart-table td { padding: 12px 10px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--border); }
.cart-row-name { font-weight: 600; }
.cart-qty-input { width: 50px; padding: 6px; border: 1px solid var(--border); border-radius: 0; text-align: center; -moz-appearance: textfield; }
.cart-qty-input::-webkit-outer-spin-button,
.cart-qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cart-qty-wrap { display: flex; align-items: center; }
.qty-btn { width: 32px; height: 34px; border: 1px solid var(--border); background: #f0f2f1; color: var(--green-dark); font-size: 16px; font-weight: 700; cursor: pointer; line-height: 1; transition: background .15s; }
.qty-btn:hover { background: var(--green); color: #fff; border-color: var(--green); }
.qty-btn.qty-dec { border-radius: 6px 0 0 6px; }
.qty-btn.qty-inc { border-radius: 0 6px 6px 0; }
.cart-summary { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-top: 16px; }
.summary-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; }
.summary-row.total { font-size: 17px; font-weight: 800; border-top: 1px solid var(--border); margin-top: 6px; padding-top: 10px; color: var(--green-dark); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state .icon { font-size: 50px; margin-bottom: 12px; }

/* ---------------- Forms ---------------- */
.form-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; max-width: 520px; margin: 20px auto; }
.form-card h1 { font-size: 20px; margin-bottom: 16px; text-align: center; color: var(--green-dark); }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--green); }
.form-row { display: grid; grid-template-columns: 1fr; gap: 12px; }
.form-footer-link { text-align: center; margin-top: 12px; font-size: 13px; }
.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-option { display: flex; align-items: center; gap: 8px; border: 1.5px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.radio-option input { width: auto; }

/* ---------------- Checkout Layout ---------------- */
.checkout-layout { display: grid; grid-template-columns: 1fr; gap: 20px; }

/* ---------------- Order Confirmation ---------------- */
.confirm-box { text-align: center; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 20px; max-width: 560px; margin: 30px auto; }
.confirm-box .icon { font-size: 60px; margin-bottom: 10px; }
.order-summary-table { width: 100%; text-align: left; margin-top: 20px; border-collapse: collapse; }
.order-summary-table th, .order-summary-table td { padding: 8px; border-bottom: 1px solid var(--border); font-size: 13.5px; }

/* ---------------- Status Badges ---------------- */
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 700; }
.badge-pending { background: #fff3cd; color: #92720b; }
.badge-confirmed { background: #d9edff; color: #1a5a94; }
.badge-processing { background: #e6dcff; color: #5b34a6; }
.badge-delivery { background: #ffe3d1; color: #b85c1a; }
.badge-delivered { background: #d7f4e0; color: #1a7a41; }
.badge-cancelled { background: #fbdada; color: #a12727; }

/* ---------------- My Account / Orders ---------------- */
.account-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.account-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.order-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; margin-bottom: 12px; }
.order-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 6px; }

/* ---------------- Static pages ---------------- */
.static-page { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin: 20px 0; }
.static-page h1 { color: var(--green-dark); margin-bottom: 14px; font-size: 21px; }
.static-page h2 { font-size: 16px; margin: 16px 0 8px; color: var(--green-dark); }
.static-page p, .static-page li { font-size: 14px; color: #444; margin-bottom: 8px; }
.static-page ul { padding-left: 18px; list-style: disc; }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

/* ---------------- Footer ---------------- */
.site-footer { background: #17251c; color: #d6ded9; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 22px; padding: 32px 16px; }
.footer-col h3, .footer-col h4 { color: #fff; margin-bottom: 10px; font-size: 15px; }
.footer-col a, .footer-col p { display: block; font-size: 13px; color: #b9c4bd; margin-bottom: 6px; }
.footer-bottom { text-align: center; padding: 14px; font-size: 12px; border-top: 1px solid rgba(255,255,255,0.1); color: #92a09a; }

/* ============================================================
   Admin Panel Styles
   ============================================================ */
.admin-body { background: #f1f3f5; min-height: 100vh; }
.admin-header { background: var(--green-dark); color: #fff; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; }
.admin-header .logo { color: #fff; font-size: 17px; }
.admin-header a.logout { color: #fff; font-size: 13px; font-weight: 600; background: rgba(255,255,255,0.15); padding: 6px 12px; border-radius: 6px; }
.admin-nav { background: #fff; box-shadow: var(--shadow); overflow-x: auto; white-space: nowrap; }
.admin-nav a { display: inline-block; padding: 12px 16px; font-size: 13.5px; font-weight: 600; color: var(--muted); border-bottom: 3px solid transparent; }
.admin-nav a.active, .admin-nav a:hover { color: var(--green-dark); border-color: var(--green); }
.admin-wrap { padding: 18px 16px; max-width: 1300px; margin: 0 auto; }
.admin-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.stat-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.stat-card .stat-label { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; }
.stat-card .stat-value { font-size: 22px; font-weight: 800; color: var(--green-dark); margin-top: 6px; }
.admin-panel { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 20px; overflow-x: auto; }
.admin-panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 8px; }
.admin-panel-head h2 { font-size: 17px; color: var(--green-dark); }
table.admin-table { width: 100%; border-collapse: collapse; min-width: 600px; }
table.admin-table th, table.admin-table td { padding: 10px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.admin-table th { background: #f8f9fa; font-weight: 700; color: var(--muted); text-transform: uppercase; font-size: 11px; }
.table-scroll { overflow-x: auto; }
.action-links a, .action-links button { font-size: 12px; font-weight: 700; margin-right: 10px; background: none; border: none; cursor: pointer; }
.action-links .edit { color: #1a5a94; }
.action-links .delete { color: #a12727; }
.admin-login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }

/* ============================================================
   Tablet & up (>= 640px)
   ============================================================ */
@media (min-width: 640px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .form-row { grid-template-columns: 1fr 1fr; }
    .admin-stats { grid-template-columns: repeat(3, 1fr); }
    .product-detail { grid-template-columns: 320px 1fr; }
}

/* ============================================================
   Small desktop & up (>= 768px)
   ============================================================ */
@media (min-width: 768px) {
    .search-form { display: flex; }
    .header-actions { display: flex; }
    .menu-toggle { display: none; }
    .main-nav { display: block; background: var(--green); }
    .nav-inner { flex-direction: row; padding: 0 16px; align-items: center; gap: 4px; position: relative; }
    .nav-inner a { border-bottom: none; padding: 12px 14px; }
    .nav-inner a:hover { background: rgba(255,255,255,0.12); }
    .nav-dropdown { position: relative; }
    .nav-dropdown-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        background: #fff;
        min-width: 200px;
        box-shadow: var(--shadow);
        border-radius: 0 0 8px 8px;
        padding: 6px 0;
        z-index: 50;
    }
    .nav-dropdown:hover .nav-dropdown-menu { display: block; }
    .nav-dropdown-menu a { color: var(--text); padding: 9px 16px; font-weight: 500; }
    .nav-dropdown-menu a:hover { background: var(--bg); color: var(--green-dark); }

    .checkout-layout { grid-template-columns: 1.4fr 1fr; align-items: start; }
    .account-grid { grid-template-columns: 1fr 2fr; }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .admin-stats { grid-template-columns: repeat(5, 1fr); }
}

/* ============================================================
   Desktop (>= 1024px)
   ============================================================ */
@media (min-width: 1024px) {
    .product-grid { grid-template-columns: repeat(4, 1fr); }
    .hero-banner h1 { font-size: 32px; }
    .hero-banner p { font-size: 16px; }
}

/* ============================================================
   Cart – Mobile Card Layout (< 640px)
   ============================================================ */
@media (max-width: 639px) {
    .cart-table thead { display: none; }
    .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; width: 100%; }
    .cart-item-row {
        background: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        margin-bottom: 12px;
        padding: 12px;
        position: relative;
    }
    .cart-table td { border: none; padding: 5px 0; font-size: 14px; }
    .cart-table td::before {
        content: attr(data-label) ': ';
        font-weight: 700;
        font-size: 12px;
        color: var(--muted);
        text-transform: uppercase;
        display: inline-block;
        width: 70px;
    }
    .cart-row-name { font-size: 14px; font-weight: 700; padding-bottom: 8px; margin-bottom: 4px; border-bottom: 1px solid var(--border); }
    .cart-row-name::before { display: none; }
    .cart-table td:last-child { margin-top: 10px; }
    .cart-table td:last-child::before { display: none; }
    .cart-summary { margin-top: 0; }

    /* Categories grid on mobile */
    .categories-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ============================================================
   Mobile Sticky Add-to-Cart Bar
   ============================================================ */
.mobile-sticky-cart {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    animation: slideUp .25s ease;
}
@keyframes slideUp {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
}
.mobile-sticky-inner {
    background: linear-gradient(135deg, var(--green-dark), var(--green));
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.18);
}
.mobile-cart-btn {
    background: #fff;
    color: var(--green-dark);
    border: none;
    padding: 11px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .15s, box-shadow .15s;
}
.mobile-cart-btn:active { transform: scale(.96); }